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Created December 29, 2025 13:36
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solution-draft-log-pr-1767015370246.txt
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# Solve.mjs Log - 2025-12-29T13:02:49.510Z
[2025-12-29T13:02:49.511Z] [INFO] 📁 Log file: /home/hive/solve-2025-12-29T13-02-49-509Z.log
[2025-12-29T13:02:49.512Z] [INFO] (All output will be logged here)
[2025-12-29T13:02:50.005Z] [INFO]
[2025-12-29T13:02:50.006Z] [INFO] 🚀 solve v0.51.18
[2025-12-29T13:02:50.007Z] [INFO] 🔧 Raw command executed:
[2025-12-29T13:02:50.008Z] [INFO] /home/hive/.nvm/versions/node/v20.19.6/bin/node /home/hive/.bun/bin/solve https://github.com/link-assistant/scalper-trader-bot/issues/1 --model opus --attach-logs --verbose --no-tool-check --auto-continue-on-limit-reset
[2025-12-29T13:02:50.008Z] [INFO]
[2025-12-29T13:02:50.023Z] [INFO]
[2025-12-29T13:02:50.024Z] [WARNING] ⚠️ SECURITY WARNING: --attach-logs is ENABLED
[2025-12-29T13:02:50.024Z] [INFO]
[2025-12-29T13:02:50.024Z] [INFO] This option will upload the complete solution draft log file to the Pull Request.
[2025-12-29T13:02:50.025Z] [INFO] The log may contain sensitive information such as:
[2025-12-29T13:02:50.025Z] [INFO] • API keys, tokens, or secrets
[2025-12-29T13:02:50.025Z] [INFO] • File paths and directory structures
[2025-12-29T13:02:50.025Z] [INFO] • Command outputs and error messages
[2025-12-29T13:02:50.026Z] [INFO] • Internal system information
[2025-12-29T13:02:50.026Z] [INFO]
[2025-12-29T13:02:50.026Z] [INFO] ⚠️ DO NOT use this option with public repositories or if the log
[2025-12-29T13:02:50.026Z] [INFO] might contain sensitive data that should not be shared publicly.
[2025-12-29T13:02:50.027Z] [INFO]
[2025-12-29T13:02:50.027Z] [INFO] Continuing in 5 seconds... (Press Ctrl+C to abort)
[2025-12-29T13:02:50.027Z] [INFO]
[2025-12-29T13:02:55.032Z] [INFO]
[2025-12-29T13:02:55.065Z] [INFO] 💾 Disk space check: 46740MB available (2048MB required) ✅
[2025-12-29T13:02:55.067Z] [INFO] 🧠 Memory check: 8526MB available, swap: 2047MB (0MB used), total: 10573MB (256MB required) ✅
[2025-12-29T13:02:55.068Z] [INFO] ⏩ Skipping tool connection validation (dry-run mode or skip-tool-connection-check enabled)
[2025-12-29T13:02:55.068Z] [INFO] ⏩ Skipping GitHub authentication check (dry-run mode or skip-tool-connection-check enabled)
[2025-12-29T13:02:55.068Z] [INFO] 📋 URL validation:
[2025-12-29T13:02:55.068Z] [INFO] Input URL: https://github.com/link-assistant/scalper-trader-bot/issues/1
[2025-12-29T13:02:55.069Z] [INFO] Is Issue URL: true
[2025-12-29T13:02:55.069Z] [INFO] Is PR URL: false
[2025-12-29T13:02:55.069Z] [INFO] 🔍 Checking repository access for auto-fork...
[2025-12-29T13:02:56.214Z] [INFO] Repository visibility: public
[2025-12-29T13:02:56.215Z] [INFO] ✅ Auto-fork: Write access detected to public repository, working directly on repository
[2025-12-29T13:02:56.216Z] [INFO] 🔍 Checking repository write permissions...
[2025-12-29T13:02:56.652Z] [INFO] ✅ Repository write access: Confirmed
[2025-12-29T13:02:57.297Z] [INFO] Repository visibility: public
[2025-12-29T13:02:57.298Z] [INFO] Auto-cleanup default: false (repository is public)
[2025-12-29T13:02:57.299Z] [INFO] 🔍 Auto-continue enabled: Checking for existing PRs for issue #1...
[2025-12-29T13:02:57.299Z] [INFO] 🔍 Checking for existing branches in link-assistant/scalper-trader-bot...
[2025-12-29T13:02:58.368Z] [INFO] 📝 No existing PRs found for issue #1 - creating new PR
[2025-12-29T13:02:58.368Z] [INFO] 📝 Issue mode: Working with issue #1
[2025-12-29T13:02:58.370Z] [INFO]
Creating temporary directory: /tmp/gh-issue-solver-1767013378369
[2025-12-29T13:02:58.374Z] [INFO]
📥 Cloning repository: link-assistant/scalper-trader-bot
[2025-12-29T13:02:59.193Z] [INFO] ✅ Cloned to: /tmp/gh-issue-solver-1767013378369
[2025-12-29T13:02:59.393Z] [INFO]
📌 Default branch: main
[2025-12-29T13:02:59.439Z] [INFO]
🌿 Creating branch: issue-1-fe0bcf66f02c from main (default)
[2025-12-29T13:02:59.492Z] [INFO] 🔍 Verifying: Branch creation...
[2025-12-29T13:02:59.538Z] [INFO] ✅ Branch created: issue-1-fe0bcf66f02c
[2025-12-29T13:02:59.539Z] [INFO] ✅ Current branch: issue-1-fe0bcf66f02c
[2025-12-29T13:02:59.539Z] [INFO] Branch operation: Create new branch
[2025-12-29T13:02:59.540Z] [INFO] Branch verification: Matches expected
[2025-12-29T13:02:59.545Z] [INFO]
🚀 Auto PR creation: ENABLED
[2025-12-29T13:02:59.546Z] [INFO] Creating: Initial commit and draft PR...
[2025-12-29T13:02:59.546Z] [INFO]
[2025-12-29T13:02:59.546Z] [INFO] Using CLAUDE.md mode (--claude-file=true, --gitkeep-file=false)
[2025-12-29T13:02:59.546Z] [INFO] 📝 Creating: CLAUDE.md with task details
[2025-12-29T13:02:59.547Z] [INFO] Issue URL from argv['issue-url']: https://github.com/link-assistant/scalper-trader-bot/issues/1
[2025-12-29T13:02:59.547Z] [INFO] Issue URL from argv._[0]: undefined
[2025-12-29T13:02:59.548Z] [INFO] Final issue URL: https://github.com/link-assistant/scalper-trader-bot/issues/1
[2025-12-29T13:02:59.548Z] [INFO] ✅ File created: CLAUDE.md
[2025-12-29T13:02:59.548Z] [INFO] 📦 Adding file: To git staging
[2025-12-29T13:02:59.642Z] [INFO] Git status after add: A CLAUDE.md
[2025-12-29T13:02:59.643Z] [INFO] 📝 Creating commit: With CLAUDE.md file
[2025-12-29T13:02:59.700Z] [INFO] ✅ Commit created: Successfully with CLAUDE.md
[2025-12-29T13:02:59.700Z] [INFO] Commit output: [issue-1-fe0bcf66f02c fa2f771] Initial commit with task details
1 file changed, 5 insertions(+)
create mode 100644 CLAUDE.md
[2025-12-29T13:02:59.750Z] [INFO] Commit hash: fa2f771...
[2025-12-29T13:02:59.800Z] [INFO] Latest commit: fa2f771 Initial commit with task details
[2025-12-29T13:02:59.846Z] [INFO] Git status: clean
[2025-12-29T13:02:59.897Z] [INFO] Remotes: origin https://github.com/link-assistant/scalper-trader-bot.git (fetch)
[2025-12-29T13:02:59.946Z] [INFO] Branch info: * issue-1-fe0bcf66f02c fa2f771 [origin/main: ahead 1] Initial commit with task details
main 10081bb [origin/main] Initial commit
[2025-12-29T13:02:59.947Z] [INFO] 📤 Pushing branch: To remote repository...
[2025-12-29T13:02:59.948Z] [INFO] Push command: git push -u origin issue-1-fe0bcf66f02c
[2025-12-29T13:03:00.777Z] [INFO] Push exit code: 0
[2025-12-29T13:03:00.779Z] [INFO] Push output: remote:
remote: Create a pull request for 'issue-1-fe0bcf66f02c' on GitHub by visiting:
remote: https://github.com/link-assistant/scalper-trader-bot/pull/new/issue-1-fe0bcf66f02c
remote:
To https://github.com/link-assistant/scalper-trader-bot.git
* [new branch] issue-1-fe0bcf66f02c -> issue-1-fe0bcf66f02c
branch 'issue-1-fe0bcf66f02c' set up to track 'origin/issue-1-fe0bcf66f02c'.
[2025-12-29T13:03:00.779Z] [INFO] ✅ Branch pushed: Successfully to remote
[2025-12-29T13:03:00.779Z] [INFO] Push output: remote:
remote: Create a pull request for 'issue-1-fe0bcf66f02c' on GitHub by visiting:
remote: https://github.com/link-assistant/scalper-trader-bot/pull/new/issue-1-fe0bcf66f02c
remote:
To https://github.com/link-assistant/scalper-trader-bot.git
* [new branch] issue-1-fe0bcf66f02c -> issue-1-fe0bcf66f02c
branch 'issue-1-fe0bcf66f02c' set up to track 'origin/issue-1-fe0bcf66f02c'.
[2025-12-29T13:03:00.780Z] [INFO] Waiting for GitHub to sync...
[2025-12-29T13:03:03.415Z] [INFO] Compare API check: 1 commit(s) ahead of main
[2025-12-29T13:03:03.416Z] [INFO] GitHub compare API ready: 1 commit(s) found
[2025-12-29T13:03:03.952Z] [INFO] Branch verified on GitHub: issue-1-fe0bcf66f02c
[2025-12-29T13:03:04.336Z] [INFO] Remote commit SHA: fa2f771...
[2025-12-29T13:03:04.336Z] [INFO] 📋 Getting issue: Title from GitHub...
[2025-12-29T13:03:04.691Z] [INFO] Issue title: "Reimplement https://github.com/linksplatform/Bot/tree/main/csharp/TraderBot in Rust"
[2025-12-29T13:03:04.692Z] [INFO] 👤 Getting user: Current GitHub account...
[2025-12-29T13:03:05.228Z] [INFO] Current user: konard
[2025-12-29T13:03:05.717Z] [INFO] User has collaborator access
[2025-12-29T13:03:05.717Z] [INFO] User has collaborator access
[2025-12-29T13:03:05.718Z] [INFO] 🔄 Fetching: Latest main branch...
[2025-12-29T13:03:06.037Z] [INFO] ✅ Base updated: Fetched latest main
[2025-12-29T13:03:06.038Z] [INFO] 🔍 Checking: Commits between branches...
[2025-12-29T13:03:06.088Z] [INFO] Commits ahead of origin/main: 1
[2025-12-29T13:03:06.089Z] [INFO] ✅ Commits found: 1 commit(s) ahead
[2025-12-29T13:03:06.089Z] [INFO] 🔀 Creating PR: Draft pull request...
[2025-12-29T13:03:06.090Z] [INFO] 🎯 Target branch: main (default)
[2025-12-29T13:03:06.090Z] [INFO] PR Title: [WIP] Reimplement https://github.com/linksplatform/Bot/tree/main/csharp/TraderBot in Rust
[2025-12-29T13:03:06.090Z] [INFO] Base branch: main
[2025-12-29T13:03:06.090Z] [INFO] Head branch: issue-1-fe0bcf66f02c
[2025-12-29T13:03:06.090Z] [INFO] Assignee: konard
[2025-12-29T13:03:06.091Z] [INFO] PR Body:
## 🤖 AI-Powered Solution Draft
This pull request is being automatically generated to solve issue #1.
### 📋 Issue Reference
Fixes #1
### 🚧 Status
**Work in Progress** - The AI assistant is currently analyzing and implementing the solution draft.
### 📝 Implementation Details
_Details will be added as the solution draft is developed..._
---
*This PR was created automatically by the AI issue solver*
[2025-12-29T13:03:06.093Z] [INFO] Command: cd "/tmp/gh-issue-solver-1767013378369" && gh pr create --draft --title "$(cat '/tmp/pr-title-1767013386093.txt')" --body-file "/tmp/pr-body-1767013386092.md" --base main --head issue-1-fe0bcf66f02c --assignee konard
[2025-12-29T13:03:09.297Z] [INFO] 🔍 Verifying: PR creation...
[2025-12-29T13:03:09.738Z] [INFO] ✅ Verification: PR exists on GitHub
[2025-12-29T13:03:09.738Z] [INFO] ✅ PR created: #2
[2025-12-29T13:03:09.739Z] [INFO] 📍 PR URL: https://github.com/link-assistant/scalper-trader-bot/pull/2
[2025-12-29T13:03:09.739Z] [INFO] 👤 Assigned to: konard
[2025-12-29T13:03:09.739Z] [INFO] 🔗 Linking: Issue #1 to PR #2...
[2025-12-29T13:03:10.111Z] [INFO] Issue node ID: I_kwDOQwlm-c7gjVib
[2025-12-29T13:03:10.639Z] [INFO] PR node ID: PR_kwDOQwlm-c660rsL
[2025-12-29T13:03:11.150Z] [INFO]
[2025-12-29T13:03:11.151Z] [WARNING] ⚠️ ISSUE LINK MISSING: PR not linked to issue
[2025-12-29T13:03:11.151Z] [INFO]
[2025-12-29T13:03:11.151Z] [WARNING] The PR wasn't linked to issue #1
[2025-12-29T13:03:11.152Z] [WARNING] Expected: "Fixes #1" in PR body
[2025-12-29T13:03:11.152Z] [INFO]
[2025-12-29T13:03:11.152Z] [WARNING] To fix manually:
[2025-12-29T13:03:11.152Z] [WARNING] 1. Edit the PR description at: https://github.com/link-assistant/scalper-trader-bot/pull/2
[2025-12-29T13:03:11.152Z] [WARNING] 2. Ensure it contains: Fixes #1
[2025-12-29T13:03:11.152Z] [INFO]
[2025-12-29T13:03:11.506Z] [INFO] 👤 Current user: konard
[2025-12-29T13:03:11.506Z] [INFO]
📊 Comment counting conditions:
[2025-12-29T13:03:11.506Z] [INFO] prNumber: 2
[2025-12-29T13:03:11.506Z] [INFO] branchName: issue-1-fe0bcf66f02c
[2025-12-29T13:03:11.507Z] [INFO] isContinueMode: false
[2025-12-29T13:03:11.507Z] [INFO] Will count comments: true
[2025-12-29T13:03:11.507Z] [INFO] 💬 Counting comments: Checking for new comments since last commit...
[2025-12-29T13:03:11.507Z] [INFO] PR #2 on branch: issue-1-fe0bcf66f02c
[2025-12-29T13:03:11.507Z] [INFO] Owner/Repo: link-assistant/scalper-trader-bot
[2025-12-29T13:03:11.977Z] [INFO] 📅 Last commit time (from API): 2025-12-29T13:02:59.000Z
[2025-12-29T13:03:13.012Z] [INFO] 💬 New PR comments: 0
[2025-12-29T13:03:13.013Z] [INFO] 💬 New PR review comments: 0
[2025-12-29T13:03:13.014Z] [INFO] 💬 New issue comments: 0
[2025-12-29T13:03:13.014Z] [INFO] Total new comments: 0
[2025-12-29T13:03:13.014Z] [INFO] Comment lines to add: No (saving tokens)
[2025-12-29T13:03:13.015Z] [INFO] PR review comments fetched: 0
[2025-12-29T13:03:13.015Z] [INFO] PR conversation comments fetched: 0
[2025-12-29T13:03:13.015Z] [INFO] Total PR comments checked: 0
[2025-12-29T13:03:16.021Z] [INFO] Feedback info will be added to prompt:
[2025-12-29T13:03:16.022Z] [INFO] - Pull request description was edited after last commit
[2025-12-29T13:03:16.022Z] [INFO] 📅 Getting timestamps: From GitHub servers...
[2025-12-29T13:03:16.374Z] [INFO] 📝 Issue updated: 2025-12-29T13:02:26.000Z
[2025-12-29T13:03:16.694Z] [INFO] 💬 Comments: None found
[2025-12-29T13:03:17.139Z] [INFO] 🔀 Recent PR: 2025-12-29T13:03:07.000Z
[2025-12-29T13:03:17.140Z] [INFO]
✅ Reference time: 2025-12-29T13:03:07.000Z
[2025-12-29T13:03:17.141Z] [INFO]
🔍 Checking for uncommitted changes to include as feedback...
[2025-12-29T13:03:17.189Z] [INFO] ✅ No uncommitted changes found
[2025-12-29T13:03:18.898Z] [INFO] 🎭 Playwright MCP detected - enabling browser automation hints
[2025-12-29T13:03:18.902Z] [INFO]
📝 Final prompt structure:
[2025-12-29T13:03:18.902Z] [INFO] Characters: 287
[2025-12-29T13:03:18.902Z] [INFO] System prompt characters: 11943
[2025-12-29T13:03:18.902Z] [INFO] Feedback info: Included
[2025-12-29T13:03:18.904Z] [INFO]
🤖 Executing Claude: OPUS
[2025-12-29T13:03:18.904Z] [INFO] Model: opus
[2025-12-29T13:03:18.904Z] [INFO] Working directory: /tmp/gh-issue-solver-1767013378369
[2025-12-29T13:03:18.905Z] [INFO] Branch: issue-1-fe0bcf66f02c
[2025-12-29T13:03:18.905Z] [INFO] Prompt length: 287 chars
[2025-12-29T13:03:18.905Z] [INFO] System prompt length: 11943 chars
[2025-12-29T13:03:18.906Z] [INFO] Feedback info included: Yes (1 lines)
[2025-12-29T13:03:18.951Z] [INFO] 📈 System resources before execution:
[2025-12-29T13:03:18.952Z] [INFO] Memory: MemFree: 6271052 kB
[2025-12-29T13:03:18.952Z] [INFO] Load: 0.12 0.25 0.23 2/439 238336
[2025-12-29T13:03:18.953Z] [INFO]
📝 Raw command:
[2025-12-29T13:03:18.953Z] [INFO] (cd "/tmp/gh-issue-solver-1767013378369" && claude --output-format stream-json --verbose --dangerously-skip-permissions --model claude-opus-4-5-20251101 -p "Issue to solve: https://github.com/link-assistant/scalper-trader-bot/issues/1
Your prepared branch: issue-1-fe0bcf66f02c
Your prepared working directory: /tmp/gh-issue-solver-1767013378369
Your prepared Pull Request: https://github.com/link-assistant/scalper-trader-bot/pull/2
Proceed.
" --append-system-prompt "You are an AI issue solver. You prefer to find the root cause of each and every issue. When you talk, you prefer to speak with facts which you have double-checked yourself or cite sources that provide evidence, like quote actual code or give references to documents or pages found on the internet. You are polite and patient, and prefer to assume good intent, trying your best to be helpful. If you are unsure or have assumptions, you prefer to test them yourself or ask questions to clarify requirements.
General guidelines.
- When you execute commands, always save their logs to files for easier reading if the output becomes large.
- When running commands, do not set a timeout yourself — let them run as long as needed (default timeout - 2 minutes is more than enough), and once they finish, review the logs in the file.
- When running sudo commands (especially package installations like apt-get, yum, npm install, etc.), always run them in the background to avoid timeout issues and permission errors when the process needs to be killed. Use the run_in_background parameter or append & to the command.
- When CI is failing or user reports failures, consider adding a detailed investigation protocol to your todo list with these steps:
Step 1: List recent runs with timestamps using: gh run list --repo link-assistant/scalper-trader-bot --branch issue-1-fe0bcf66f02c --limit 5 --json databaseId,conclusion,createdAt,headSha
Step 2: Verify runs are after the latest commit by checking timestamps and SHA
Step 3: For each non-passing run, download logs to preserve them: gh run view {run-id} --repo link-assistant/scalper-trader-bot --log > ci-logs/{workflow}-{run-id}.log
Step 4: Read each downloaded log file using Read tool to understand the actual failures
Step 5: Report findings with specific errors and line numbers from logs
This detailed investigation is especially helpful when user mentions CI failures, asks to investigate logs, you see non-passing status, or when finalizing a PR.
Note: If user says \"failing\" but tools show \"passing\", this might indicate stale data - consider downloading fresh logs and checking timestamps to resolve the discrepancy.
- When a code or log file has more than 1500 lines, read it in chunks of 1500 lines.
- When facing a complex problem, do as much tracing as possible and turn on all verbose modes.
- When you create debug, test, or example/experiment scripts for fixing, always keep them in an examples and/or experiments folders so you can reuse them later.
- When testing your assumptions, use the experiment scripts, and add it to experiments folder.
- When your experiments can show real world use case of the software, add it to examples folder.
- When you face something extremely hard, use divide and conquer — it always helps.
Initial research.
- When you start, make sure you create detailed plan for yourself and follow your todo list step by step, make sure that as many points from these guidelines are added to your todo list to keep track of everything that can help you solve the issue with highest possible quality.
- When user mentions CI failures or asks to investigate logs, consider adding these todos to track the investigation: (1) List recent CI runs with timestamps, (2) Download logs from failed runs to ci-logs/ directory, (3) Analyze error messages and identify root cause, (4) Implement fix, (5) Verify fix resolves the specific errors found in logs.
- When you read issue, read all details and comments thoroughly.
- When you see screenshots or images in issue descriptions, pull request descriptions, comments, or discussions, use WebFetch tool (or fetch tool) to download the image first, then use Read tool to view and analyze it. IMPORTANT: Before reading downloaded images with the Read tool, verify the file is a valid image (not HTML). Use a CLI tool like 'file' command to check the actual file format. Reading corrupted or non-image files (like GitHub's HTML 404 pages saved as .png) can cause \"Could not process image\" errors and may crash the AI solver process. If the file command shows \"HTML\" or \"text\", the download failed and you should retry or skip the image.
- When you need issue details, use gh issue view https://github.com/link-assistant/scalper-trader-bot/issues/1.
- When you need related code, use gh search code --owner link-assistant [keywords].
- When you need repo context, read files in your working directory.
- When you study related work, study the most recent related pull requests.
- When issue is not defined enough, write a comment to ask clarifying questions.
- When accessing GitHub Gists (especially private ones), use gh gist view command instead of direct URL fetching to ensure proper authentication.
- When you are fixing a bug, please make sure you first find the actual root cause, do as many experiments as needed.
- When you are fixing a bug and code does not have enough tracing/logs, add them and make sure they stay in the code, but are switched off by default.
- When you need comments on a pull request, note that GitHub has THREE different comment types with different API endpoints:
1. PR review comments (inline code comments): gh api repos/link-assistant/scalper-trader-bot/pulls/2/comments --paginate
2. PR conversation comments (general discussion): gh api repos/link-assistant/scalper-trader-bot/issues/2/comments --paginate
3. PR reviews (approve/request changes): gh api repos/link-assistant/scalper-trader-bot/pulls/2/reviews --paginate
IMPORTANT: The command \"gh pr view --json comments\" ONLY returns conversation comments and misses review comments!
- When you need latest comments on issue, use gh api repos/link-assistant/scalper-trader-bot/issues/1/comments --paginate.
Solution development and testing.
- When issue is solvable, implement code with tests.
- When implementing features, search for similar existing implementations in the codebase and use them as examples instead of implementing everything from scratch.
- When coding, each atomic step that can be useful by itself should be commited to the pull request's branch, meaning if work will be interrupted by any reason parts of solution will still be kept intact and safe in pull request.
- When you test:
start from testing of small functions using separate scripts;
write unit tests with mocks for easy and quick start.
- When you test integrations, use existing framework.
- When you test solution draft, include automated checks in pr.
- When issue is unclear, write comment on issue asking questions.
- When you encounter any problems that you unable to solve yourself (any human feedback or help), write a comment to the pull request asking for help.
- When you need human help, use gh pr comment 2 --body \"your message\" to comment on existing PR.
Preparing pull request.
- When you code, follow contributing guidelines.
- When you commit, write clear message.
- When you need examples of style, use gh pr list --repo link-assistant/scalper-trader-bot --state merged --search [keywords].
- When you open pr, describe solution draft and include tests.
- When there is a package with version and GitHub Actions workflows for automatic release, update the version (or other necessary release trigger) in your pull request to prepare for next release.
- When you update existing pr 2, use gh pr edit to modify title and description.
- When you are about to commit or push code, ALWAYS run local CI checks first if they are available in contributing guidelines (like ruff check, mypy, eslint, etc.) to catch errors before pushing.
- When you finalize the pull request:
follow style from merged prs for code, title, and description,
make sure no uncommitted changes corresponding to the original requirements are left behind,
make sure the default branch is merged to the pull request's branch,
make sure all CI checks passing if they exist before you finish,
check for latest comments on the issue and pull request to ensure no recent feedback was missed,
double-check that all changes in the pull request answer to original requirements of the issue,
make sure no new new bugs are introduced in pull request by carefully reading gh pr diff,
make sure no previously existing features were removed without an explicit request from users via the issue description, issue comments, and/or pull request comments.
- When you finish implementation, use gh pr ready 2.
Workflow and collaboration.
- When you check branch, verify with git branch --show-current.
- When you push, push only to branch issue-1-fe0bcf66f02c.
- When you finish, create a pull request from branch issue-1-fe0bcf66f02c. (Note: PR 2 already exists, update it instead)
- When you organize workflow, use pull requests instead of direct merges to default branch (main or master).
- When you manage commits, preserve commit history for later analysis.
- When you contribute, keep repository history forward-moving with regular commits, pushes, and reverts if needed.
- When you face conflict that you cannot resolve yourself, ask for help.
- When you collaborate, respect branch protections by working only on issue-1-fe0bcf66f02c.
- When you mention result, include pull request url or comment url.
- When you need to create pr, remember pr 2 already exists for this branch.
Self review.
- When you check your solution draft, run all tests locally.
- When you check your solution draft, verify git status shows a clean working tree with no uncommitted changes.
- When you compare with repo style, use gh pr diff [number].
- When you finalize, confirm code, tests, and description are consistent.
GitHub CLI command patterns.
- IMPORTANT: Always use --paginate flag when fetching lists from GitHub API to ensure all results are returned (GitHub returns max 30 per page by default).
- When listing PR review comments (inline code comments), use gh api repos/OWNER/REPO/pulls/NUMBER/comments --paginate.
- When listing PR conversation comments, use gh api repos/OWNER/REPO/issues/NUMBER/comments --paginate.
- When listing PR reviews, use gh api repos/OWNER/REPO/pulls/NUMBER/reviews --paginate.
- When listing issue comments, use gh api repos/OWNER/REPO/issues/NUMBER/comments --paginate.
- When adding PR comment, use gh pr comment NUMBER --body \"text\" --repo OWNER/REPO.
- When adding issue comment, use gh issue comment NUMBER --body \"text\" --repo OWNER/REPO.
- When viewing PR details, use gh pr view NUMBER --repo OWNER/REPO.
- When filtering with jq, use gh api repos/\${owner}/\${repo}/pulls/\${prNumber}/comments --paginate --jq 'reverse | .[0:5]'.
Playwright MCP usage (browser automation via mcp__playwright__* tools).
- When you develop frontend web applications (HTML, CSS, JavaScript, React, Vue, Angular, etc.), use Playwright MCP tools to test the UI in a real browser.
- When WebFetch tool fails to retrieve expected content (e.g., returns empty content, JavaScript-rendered pages, or login-protected pages), use Playwright MCP tools (browser_navigate, browser_snapshot) as a fallback for web browsing.
- When you need to interact with dynamic web pages that require JavaScript execution, use Playwright MCP tools.
- When you need to visually verify how a web page looks or take screenshots, use brows*************nshot from Playwright MCP.
- When you need to fill forms, click buttons, or perform user interactions on web pages, use Playwright MCP tools (browser_click, browser_type, browser_fill_form).
- When you need to test responsive design or different viewport sizes, use browser_resize from Playwright MCP.
- When you finish using the browser, always close it with browser_close to free resources." | jq -c .)
[2025-12-29T13:03:18.953Z] [INFO]
[2025-12-29T13:03:18.954Z] [INFO] 📋 User prompt:
[2025-12-29T13:03:18.954Z] [INFO] ---BEGIN USER PROMPT---
[2025-12-29T13:03:18.954Z] [INFO] Issue to solve: https://github.com/link-assistant/scalper-trader-bot/issues/1
Your prepared branch: issue-1-fe0bcf66f02c
Your prepared working directory: /tmp/gh-issue-solver-1767013378369
Your prepared Pull Request: https://github.com/link-assistant/scalper-trader-bot/pull/2
Proceed.
[2025-12-29T13:03:18.954Z] [INFO] ---END USER PROMPT---
[2025-12-29T13:03:18.954Z] [INFO]
[2025-12-29T13:03:18.955Z] [INFO] 📋 System prompt:
[2025-12-29T13:03:18.955Z] [INFO] ---BEGIN SYSTEM PROMPT---
[2025-12-29T13:03:18.955Z] [INFO] You are an AI issue solver. You prefer to find the root cause of each and every issue. When you talk, you prefer to speak with facts which you have double-checked yourself or cite sources that provide evidence, like quote actual code or give references to documents or pages found on the internet. You are polite and patient, and prefer to assume good intent, trying your best to be helpful. If you are unsure or have assumptions, you prefer to test them yourself or ask questions to clarify requirements.
General guidelines.
- When you execute commands, always save their logs to files for easier reading if the output becomes large.
- When running commands, do not set a timeout yourself — let them run as long as needed (default timeout - 2 minutes is more than enough), and once they finish, review the logs in the file.
- When running sudo commands (especially package installations like apt-get, yum, npm install, etc.), always run them in the background to avoid timeout issues and permission errors when the process needs to be killed. Use the run_in_background parameter or append & to the command.
- When CI is failing or user reports failures, consider adding a detailed investigation protocol to your todo list with these steps:
Step 1: List recent runs with timestamps using: gh run list --repo link-assistant/scalper-trader-bot --branch issue-1-fe0bcf66f02c --limit 5 --json databaseId,conclusion,createdAt,headSha
Step 2: Verify runs are after the latest commit by checking timestamps and SHA
Step 3: For each non-passing run, download logs to preserve them: gh run view {run-id} --repo link-assistant/scalper-trader-bot --log > ci-logs/{workflow}-{run-id}.log
Step 4: Read each downloaded log file using Read tool to understand the actual failures
Step 5: Report findings with specific errors and line numbers from logs
This detailed investigation is especially helpful when user mentions CI failures, asks to investigate logs, you see non-passing status, or when finalizing a PR.
Note: If user says "failing" but tools show "passing", this might indicate stale data - consider downloading fresh logs and checking timestamps to resolve the discrepancy.
- When a code or log file has more than 1500 lines, read it in chunks of 1500 lines.
- When facing a complex problem, do as much tracing as possible and turn on all verbose modes.
- When you create debug, test, or example/experiment scripts for fixing, always keep them in an examples and/or experiments folders so you can reuse them later.
- When testing your assumptions, use the experiment scripts, and add it to experiments folder.
- When your experiments can show real world use case of the software, add it to examples folder.
- When you face something extremely hard, use divide and conquer — it always helps.
Initial research.
- When you start, make sure you create detailed plan for yourself and follow your todo list step by step, make sure that as many points from these guidelines are added to your todo list to keep track of everything that can help you solve the issue with highest possible quality.
- When user mentions CI failures or asks to investigate logs, consider adding these todos to track the investigation: (1) List recent CI runs with timestamps, (2) Download logs from failed runs to ci-logs/ directory, (3) Analyze error messages and identify root cause, (4) Implement fix, (5) Verify fix resolves the specific errors found in logs.
- When you read issue, read all details and comments thoroughly.
- When you see screenshots or images in issue descriptions, pull request descriptions, comments, or discussions, use WebFetch tool (or fetch tool) to download the image first, then use Read tool to view and analyze it. IMPORTANT: Before reading downloaded images with the Read tool, verify the file is a valid image (not HTML). Use a CLI tool like 'file' command to check the actual file format. Reading corrupted or non-image files (like GitHub's HTML 404 pages saved as .png) can cause "Could not process image" errors and may crash the AI solver process. If the file command shows "HTML" or "text", the download failed and you should retry or skip the image.
- When you need issue details, use gh issue view https://github.com/link-assistant/scalper-trader-bot/issues/1.
- When you need related code, use gh search code --owner link-assistant [keywords].
- When you need repo context, read files in your working directory.
- When you study related work, study the most recent related pull requests.
- When issue is not defined enough, write a comment to ask clarifying questions.
- When accessing GitHub Gists (especially private ones), use gh gist view command instead of direct URL fetching to ensure proper authentication.
- When you are fixing a bug, please make sure you first find the actual root cause, do as many experiments as needed.
- When you are fixing a bug and code does not have enough tracing/logs, add them and make sure they stay in the code, but are switched off by default.
- When you need comments on a pull request, note that GitHub has THREE different comment types with different API endpoints:
1. PR review comments (inline code comments): gh api repos/link-assistant/scalper-trader-bot/pulls/2/comments --paginate
2. PR conversation comments (general discussion): gh api repos/link-assistant/scalper-trader-bot/issues/2/comments --paginate
3. PR reviews (approve/request changes): gh api repos/link-assistant/scalper-trader-bot/pulls/2/reviews --paginate
IMPORTANT: The command "gh pr view --json comments" ONLY returns conversation comments and misses review comments!
- When you need latest comments on issue, use gh api repos/link-assistant/scalper-trader-bot/issues/1/comments --paginate.
Solution development and testing.
- When issue is solvable, implement code with tests.
- When implementing features, search for similar existing implementations in the codebase and use them as examples instead of implementing everything from scratch.
- When coding, each atomic step that can be useful by itself should be commited to the pull request's branch, meaning if work will be interrupted by any reason parts of solution will still be kept intact and safe in pull request.
- When you test:
start from testing of small functions using separate scripts;
write unit tests with mocks for easy and quick start.
- When you test integrations, use existing framework.
- When you test solution draft, include automated checks in pr.
- When issue is unclear, write comment on issue asking questions.
- When you encounter any problems that you unable to solve yourself (any human feedback or help), write a comment to the pull request asking for help.
- When you need human help, use gh pr comment 2 --body "your message" to comment on existing PR.
Preparing pull request.
- When you code, follow contributing guidelines.
- When you commit, write clear message.
- When you need examples of style, use gh pr list --repo link-assistant/scalper-trader-bot --state merged --search [keywords].
- When you open pr, describe solution draft and include tests.
- When there is a package with version and GitHub Actions workflows for automatic release, update the version (or other necessary release trigger) in your pull request to prepare for next release.
- When you update existing pr 2, use gh pr edit to modify title and description.
- When you are about to commit or push code, ALWAYS run local CI checks first if they are available in contributing guidelines (like ruff check, mypy, eslint, etc.) to catch errors before pushing.
- When you finalize the pull request:
follow style from merged prs for code, title, and description,
make sure no uncommitted changes corresponding to the original requirements are left behind,
make sure the default branch is merged to the pull request's branch,
make sure all CI checks passing if they exist before you finish,
check for latest comments on the issue and pull request to ensure no recent feedback was missed,
double-check that all changes in the pull request answer to original requirements of the issue,
make sure no new new bugs are introduced in pull request by carefully reading gh pr diff,
make sure no previously existing features were removed without an explicit request from users via the issue description, issue comments, and/or pull request comments.
- When you finish implementation, use gh pr ready 2.
Workflow and collaboration.
- When you check branch, verify with git branch --show-current.
- When you push, push only to branch issue-1-fe0bcf66f02c.
- When you finish, create a pull request from branch issue-1-fe0bcf66f02c. (Note: PR 2 already exists, update it instead)
- When you organize workflow, use pull requests instead of direct merges to default branch (main or master).
- When you manage commits, preserve commit history for later analysis.
- When you contribute, keep repository history forward-moving with regular commits, pushes, and reverts if needed.
- When you face conflict that you cannot resolve yourself, ask for help.
- When you collaborate, respect branch protections by working only on issue-1-fe0bcf66f02c.
- When you mention result, include pull request url or comment url.
- When you need to create pr, remember pr 2 already exists for this branch.
Self review.
- When you check your solution draft, run all tests locally.
- When you check your solution draft, verify git status shows a clean working tree with no uncommitted changes.
- When you compare with repo style, use gh pr diff [number].
- When you finalize, confirm code, tests, and description are consistent.
GitHub CLI command patterns.
- IMPORTANT: Always use --paginate flag when fetching lists from GitHub API to ensure all results are returned (GitHub returns max 30 per page by default).
- When listing PR review comments (inline code comments), use gh api repos/OWNER/REPO/pulls/NUMBER/comments --paginate.
- When listing PR conversation comments, use gh api repos/OWNER/REPO/issues/NUMBER/comments --paginate.
- When listing PR reviews, use gh api repos/OWNER/REPO/pulls/NUMBER/reviews --paginate.
- When listing issue comments, use gh api repos/OWNER/REPO/issues/NUMBER/comments --paginate.
- When adding PR comment, use gh pr comment NUMBER --body "text" --repo OWNER/REPO.
- When adding issue comment, use gh issue comment NUMBER --body "text" --repo OWNER/REPO.
- When viewing PR details, use gh pr view NUMBER --repo OWNER/REPO.
- When filtering with jq, use gh api repos/${owner}/${repo}/pulls/${prNumber}/comments --paginate --jq 'reverse | .[0:5]'.
Playwright MCP usage (browser automation via mcp__playwright__* tools).
- When you develop frontend web applications (HTML, CSS, JavaScript, React, Vue, Angular, etc.), use Playwright MCP tools to test the UI in a real browser.
- When WebFetch tool fails to retrieve expected content (e.g., returns empty content, JavaScript-rendered pages, or login-protected pages), use Playwright MCP tools (browser_navigate, browser_snapshot) as a fallback for web browsing.
- When you need to interact with dynamic web pages that require JavaScript execution, use Playwright MCP tools.
- When you need to visually verify how a web page looks or take screenshots, use brows*************nshot from Playwright MCP.
- When you need to fill forms, click buttons, or perform user interactions on web pages, use Playwright MCP tools (browser_click, browser_type, browser_fill_form).
- When you need to test responsive design or different viewport sizes, use browser_resize from Playwright MCP.
- When you finish using the browser, always close it with browser_close to free resources.
[2025-12-29T13:03:18.955Z] [INFO] ---END SYSTEM PROMPT---
[2025-12-29T13:03:18.955Z] [INFO]
[2025-12-29T13:03:18.956Z] [INFO] 📋 Command details:
[2025-12-29T13:03:18.956Z] [INFO] 📂 Working directory: /tmp/gh-issue-solver-1767013378369
[2025-12-29T13:03:18.956Z] [INFO] 🌿 Branch: issue-1-fe0bcf66f02c
[2025-12-29T13:03:18.957Z] [INFO] 🤖 Model: Claude OPUS
[2025-12-29T13:03:18.958Z] [INFO]
▶️ Streaming output:
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"mcp__playwright__browser_network_requests",
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"mcp__playwright__browser_take_screenshot",
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"mcp__playwright__browser_click",
"mcp__playwright__browser_drag",
"mcp__playwright__browser_hover",
"mcp__playwright__browser_select_option",
"mcp__playwright__browser_tabs",
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],
"mcp_servers": [
{
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"uuid": "8b7ac30e-8495-4f80-af6d-791bf330466a"
}
[2025-12-29T13:03:21.314Z] [INFO] 📌 Session ID: 47ebe5f9-a63c-4fdf-9594-7dd189455de3
[2025-12-29T13:03:21.315Z] [INFO] 📁 Log renamed to: /home/hive/47ebe5f9-a63c-4fdf-9594-7dd189455de3.log
[2025-12-29T13:03:26.631Z] [INFO] {
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{
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[2025-12-29T13:03:27.287Z] [INFO] {
"type": "assistant",
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{
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[2025-12-29T13:03:27.884Z] [INFO] {
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[2025-12-29T13:03:30.362Z] [INFO] {
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[2025-12-29T13:03:32.372Z] [INFO] {
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"stdout": "title:\t[WIP] Reimplement https://github.com/linksplatform/Bot/tree/main/csharp/TraderBot in Rust\nstate:\tDRAFT\nauthor:\tkonard\nlabels:\t\nassignees:\tkonard\nreviewers:\t\nprojects:\t\nmilestone:\t\nnumber:\t2\nurl:\thttps://github.com/link-assistant/scalper-trader-bot/pull/2\nadditions:\t5\ndeletions:\t0\nauto-merge:\tdisabled\n--\n## 🤖 AI-Powered Solution Draft\n\nThis pull request is being automatically generated to solve issue #1.\n\n### 📋 Issue Reference\nFixes #1\n\n### 🚧 Status\n**Work in Progress** - The AI assistant is currently analyzing and implementing the solution draft.\n\n### 📝 Implementation Details\n_Details will be added as the solution draft is developed..._\n\n---\n*This PR was created automatically by the AI issue solver*",
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[2025-12-29T13:03:37.508Z] [INFO] {
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"text": "Now let me explore the reference repositories to understand what needs to be reimplemented:"
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"prompt": "Extract the main features, architecture, and functionality of this trading bot. What does it do? What APIs does it use? How is it structured?"
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[2025-12-29T13:03:39.626Z] [INFO] {
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[2025-12-29T13:03:40.026Z] [INFO] {
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[2025-12-29T13:03:45.762Z] [INFO] {
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"content": "# TraderBot Overview\n\n## Core Functionality\n\nTraderBot is an automated trading bot designed for the Tinkoff investment platform. It implements a **scalping strategy** that executes continuous buy-sell cycles, aiming to profit from small price movements.\n\nAccording to the documentation, the bot can:\n- \"Place sell order at best price or buy order price\"\n- \"Place buy order at best price\"\n- \"Move buy and sell orders\"\n\n## Strategy\n\nThe bot operates on a hypothesis that \"It is possible to make more profit using this strategy than with buy and hold strategy due to effect of compound interest on each buy and sell iteration with profit.\"\n\nIt works optimally on growing markets with low-volatility assets, executing iterative trades with potential 1-point profits per cycle.\n\n## Architecture\n\n**Key Components:**\n- **TradingService.cs** – Core trading logic\n- **FinancialStorage.cs** – Data persistence\n- **Instrument.cs** – Asset representation\n- **TradingSettings.cs** – Configuration management\n- **Program.cs** – Application entry point\n\n## Configuration\n\nSettings are managed via `appsettings.json`, controlling:\n- API token and account selection\n- ETF/currency pair to trade\n- Minimum profit thresholds\n- Order book depth analysis\n- Market order size requirements\n- Trading time windows (default: 12:00-17:00 Moscow time)\n\n## Technology Stack\n\nBuilt with **.NET/C#**, the bot integrates with Tinkoff's investment API and requires .NET SDK for execution."
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"result": "# TraderBot Overview\n\n## Core Functionality\n\nTraderBot is an automated trading bot designed for the Tinkoff investment platform. It implements a **scalping strategy** that executes continuous buy-sell cycles, aiming to profit from small price movements.\n\nAccording to the documentation, the bot can:\n- \"Place sell order at best price or buy order price\"\n- \"Place buy order at best price\"\n- \"Move buy and sell orders\"\n\n## Strategy\n\nThe bot operates on a hypothesis that \"It is possible to make more profit using this strategy than with buy and hold strategy due to effect of compound interest on each buy and sell iteration with profit.\"\n\nIt works optimally on growing markets with low-volatility assets, executing iterative trades with potential 1-point profits per cycle.\n\n## Architecture\n\n**Key Components:**\n- **TradingService.cs** – Core trading logic\n- **FinancialStorage.cs** – Data persistence\n- **Instrument.cs** – Asset representation\n- **TradingSettings.cs** – Configuration management\n- **Program.cs** – Application entry point\n\n## Configuration\n\nSettings are managed via `appsettings.json`, controlling:\n- API token and account selection\n- ETF/currency pair to trade\n- Minimum profit thresholds\n- Order book depth analysis\n- Market order size requirements\n- Trading time windows (default: 12:00-17:00 Moscow time)\n\n## Technology Stack\n\nBuilt with **.NET/C#**, the bot integrates with Tinkoff's investment API and requires .NET SDK for execution.",
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[2025-12-29T13:03:47.799Z] [INFO] {
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"content": "# TIEBB: Tinkoff Invest ETF Balancer Bot\n\n## Core Purpose\nThis is an automated portfolio management system that \"maintains optimal asset allocation across Tinkoff Investment accounts\" by automatically rebalancing holdings to match target allocations.\n\n## Key Functionality\n\n**Rebalancing Modes:**\n- Manual: Fixed weight distribution\n- Market-cap based allocation\n- AUM (Assets Under Management) based weights\n- Decorrelation: Adaptive strategy comparing market cap vs. AUM differences\n\n**Multi-Account Support:**\n- Manages unlimited accounts with individual configurations\n- Secure token storage via environment variables\n- Automatic config validation\n\n**Advanced Features:**\n- Margin trading with risk management\n- Minimum profit thresholds before closing positions\n- Exchange closure handling\n- Sequential order execution\n\n## Architecture\n\n**Tech Stack:**\n- TypeScript with Bun.js runtime (recommended) or Node.js 18+\n- \"Built-in TypeScript support\" and \"20-30x faster build times\" vs traditional approaches\n\n**API Integration:**\n- Tinkoff Invest SDK for portfolio operations\n- Fetches instrument data, positions, and pricing\n- Executes market orders automatically\n\n**Workflow Process:**\n1. Loads configuration and authentication tokens\n2. Retrieves current portfolio positions at set intervals\n3. Calculates desired allocation vs. actual holdings\n4. Generates and executes buy/sell orders sequentially\n5. Tracks expenses and profits\n\n## Data Sources\n- T-Capital Funds (AUM metrics)\n- Tinkoff Invest platform (pricing, capitalization)\n- InvestFunds.ru (fund information)\n\n## Operational Constraints\n\"Works only with ruble-denominated stocks and funds\" with no other instruments present for proper operation."
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"result": "# TIEBB: Tinkoff Invest ETF Balancer Bot\n\n## Core Purpose\nThis is an automated portfolio management system that \"maintains optimal asset allocation across Tinkoff Investment accounts\" by automatically rebalancing holdings to match target allocations.\n\n## Key Functionality\n\n**Rebalancing Modes:**\n- Manual: Fixed weight distribution\n- Market-cap based allocation\n- AUM (Assets Under Management) based weights\n- Decorrelation: Adaptive strategy comparing market cap vs. AUM differences\n\n**Multi-Account Support:**\n- Manages unlimited accounts with individual configurations\n- Secure token storage via environment variables\n- Automatic config validation\n\n**Advanced Features:**\n- Margin trading with risk management\n- Minimum profit thresholds before closing positions\n- Exchange closure handling\n- Sequential order execution\n\n## Architecture\n\n**Tech Stack:**\n- TypeScript with Bun.js runtime (recommended) or Node.js 18+\n- \"Built-in TypeScript support\" and \"20-30x faster build times\" vs traditional approaches\n\n**API Integration:**\n- Tinkoff Invest SDK for portfolio operations\n- Fetches instrument data, positions, and pricing\n- Executes market orders automatically\n\n**Workflow Process:**\n1. Loads configuration and authentication tokens\n2. Retrieves current portfolio positions at set intervals\n3. Calculates desired allocation vs. actual holdings\n4. Generates and executes buy/sell orders sequentially\n5. Tracks expenses and profits\n\n## Data Sources\n- T-Capital Funds (AUM metrics)\n- Tinkoff Invest platform (pricing, capitalization)\n- InvestFunds.ru (fund information)\n\n## Operational Constraints\n\"Works only with ruble-denominated stocks and funds\" with no other instruments present for proper operation.",
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[2025-12-29T13:03:51.742Z] [INFO] {
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"tool_use_id": "toolu_019SgLexzGSJDR83xKv4gwNZ",
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"content": "# Code Architecture Principles & Guidelines\n\n## Universal Principles\n\n**Structure & Modularity**\n- \"Split the system into small parts (modules, files, components) so each part can be understood, changed, and tested separately.\"\n- Maintain high cohesion—related functionality should be colocated\n- Reduce coupling between system components to minimize ripple effects\n- Favor composition when building complex behaviors from simpler pieces\n\n**Behavior, Interfaces & Abstraction**\n- Hide implementation details; expose only necessary functionality\n- Maintain stable, unchanging interfaces while allowing internal modifications\n- Make inputs, outputs, and side effects explicit in function signatures\n- Design APIs where correct usage is intuitive and misuse is difficult\n\n**State & Data**\n- Prefer immutable values; create new instances rather than modifying existing ones\n- Limit mutable state to local scopes with clear documentation\n- Establish a single authoritative source for each data element\n- Structure data to make invalid states impossible to represent\n\n**Side Effects & Boundaries**\n- \"Reading/writing files, network calls, logs, and other side effects should be pushed to the boundary of the system.\"\n- Isolate pure logic (calculations) from orchestration and I/O operations\n- Design operations to be idempotent when they may be retried\n- Favor stateless services that rely on explicit parameters\n\n**Correctness & Testing**\n- Structure code for easy testability with minimal hidden dependencies\n- Core logic should produce consistent results given identical inputs\n- Validate inputs at system boundaries to simplify internal code\n- Fail immediately with clear error messages rather than silently continuing\n\n**Domain Understanding**\n- Adopt domain language in code, documentation, and conversations\n- Design around business requirements before selecting technical patterns\n- Partition large domains into bounded contexts with precise terminology\n- Encapsulate domain logic within value objects and aggregates\n\n**Simplicity & Maintenance**\n- Prioritize clarity and maintainability over clever implementations\n- \"Prefer full english words over abbriviations or shortened words\" and eliminate comments through better naming\n- Minimize cognitive load by keeping code units small and focused\n- Refactor continuously rather than deferring structural improvements\n\n**APIs & Services**\n- Maintain consistent design patterns across similar operations\n- Avoid breaking existing clients; use versioning for necessary changes\n- Extract configuration from code; inject at runtime\n- Treat logs as debugging streams, not application data stores\n\n## Functional Programming Principles\n\n- Write pure functions returning identical outputs for identical inputs\n- Embrace immutability as the default approach to data handling\n- Chain simple functions to build complex behaviors\n- Describe what you want (declaratively) rather than how to achieve it\n- Use algebraic data types to model domain concepts precisely\n- Represent errors as values rather than exceptions\n- Avoid shared mutable state across program components\n\n## Object-Oriented Programming Principles\n\n- Encapsulate related data and behavior; expose minimal interfaces\n- Assign each class a single responsibility and reason to change\n- \"Design classes so behavior can be extended...without editing existing working code\"\n- Depend on abstractions (interfaces) rather than concrete implementations\n- Favor composition and delegation over inheritance hierarchies\n- Use meaningful domain operations instead of generic setters\n- Follow the Law of Demeter: methods should interact only with their direct dependencies"
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"result": "# Code Architecture Principles & Guidelines\n\n## Universal Principles\n\n**Structure & Modularity**\n- \"Split the system into small parts (modules, files, components) so each part can be understood, changed, and tested separately.\"\n- Maintain high cohesion—related functionality should be colocated\n- Reduce coupling between system components to minimize ripple effects\n- Favor composition when building complex behaviors from simpler pieces\n\n**Behavior, Interfaces & Abstraction**\n- Hide implementation details; expose only necessary functionality\n- Maintain stable, unchanging interfaces while allowing internal modifications\n- Make inputs, outputs, and side effects explicit in function signatures\n- Design APIs where correct usage is intuitive and misuse is difficult\n\n**State & Data**\n- Prefer immutable values; create new instances rather than modifying existing ones\n- Limit mutable state to local scopes with clear documentation\n- Establish a single authoritative source for each data element\n- Structure data to make invalid states impossible to represent\n\n**Side Effects & Boundaries**\n- \"Reading/writing files, network calls, logs, and other side effects should be pushed to the boundary of the system.\"\n- Isolate pure logic (calculations) from orchestration and I/O operations\n- Design operations to be idempotent when they may be retried\n- Favor stateless services that rely on explicit parameters\n\n**Correctness & Testing**\n- Structure code for easy testability with minimal hidden dependencies\n- Core logic should produce consistent results given identical inputs\n- Validate inputs at system boundaries to simplify internal code\n- Fail immediately with clear error messages rather than silently continuing\n\n**Domain Understanding**\n- Adopt domain language in code, documentation, and conversations\n- Design around business requirements before selecting technical patterns\n- Partition large domains into bounded contexts with precise terminology\n- Encapsulate domain logic within value objects and aggregates\n\n**Simplicity & Maintenance**\n- Prioritize clarity and maintainability over clever implementations\n- \"Prefer full english words over abbriviations or shortened words\" and eliminate comments through better naming\n- Minimize cognitive load by keeping code units small and focused\n- Refactor continuously rather than deferring structural improvements\n\n**APIs & Services**\n- Maintain consistent design patterns across similar operations\n- Avoid breaking existing clients; use versioning for necessary changes\n- Extract configuration from code; inject at runtime\n- Treat logs as debugging streams, not application data stores\n\n## Functional Programming Principles\n\n- Write pure functions returning identical outputs for identical inputs\n- Embrace immutability as the default approach to data handling\n- Chain simple functions to build complex behaviors\n- Describe what you want (declaratively) rather than how to achieve it\n- Use algebraic data types to model domain concepts precisely\n- Represent errors as values rather than exceptions\n- Avoid shared mutable state across program components\n\n## Object-Oriented Programming Principles\n\n- Encapsulate related data and behavior; expose minimal interfaces\n- Assign each class a single responsibility and reason to change\n- \"Design classes so behavior can be extended...without editing existing working code\"\n- Depend on abstractions (interfaces) rather than concrete implementations\n- Favor composition and delegation over inheritance hierarchies\n- Use meaningful domain operations instead of generic setters\n- Follow the Law of Demeter: methods should interact only with their direct dependencies",
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[2025-12-29T13:03:57.003Z] [INFO] {
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[2025-12-29T13:03:59.208Z] [INFO] {
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[2025-12-29T13:03:59.389Z] [INFO] {
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"content": "total 168\ndrwxrwxr-x 9 hive hive 4096 Dec 29 14:02 .\ndrwxrwxrwt 78 root root 86016 Dec 29 14:03 ..\ndrwxrwxr-x 8 hive hive 4096 Dec 29 14:03 .git\ndrwxrwxr-x 3 hive hive 4096 Dec 29 14:02 .github\n-rw-rw-r-- 1 hive hive 850 Dec 29 14:02 .gitignore\n-rw-rw-r-- 1 hive hive 836 Dec 29 14:02 .pre-commit-config.yaml\n-rw-rw-r-- 1 hive hive 678 Dec 29 14:02 CHANGELOG.md\n-rw-rw-r-- 1 hive hive 199 Dec 29 14:02 CLAUDE.md\n-rw-rw-r-- 1 hive hive 7122 Dec 29 14:02 CONTRIBUTING.md\n-rw-rw-r-- 1 hive hive 3268 Dec 29 14:02 Cargo.lock\n-rw-rw-r-- 1 hive hive 1089 Dec 29 14:02 Cargo.toml\n-rw-rw-r-- 1 hive hive 1211 Dec 29 14:02 LICENSE\n-rw-rw-r-- 1 hive hive 9009 Dec 29 14:02 README.md\ndrwxrwxr-x 2 hive hive 4096 Dec 29 14:02 changelog.d\ndrwxrwxr-x 2 hive hive 4096 Dec 29 14:02 examples\ndrwxrwxr-x 2 hive hive 4096 Dec 29 14:02 scripts\ndrwxrwxr-x 2 hive hive 4096 Dec 29 14:02 src\ndrwxrwxr-x 2 hive hive 4096 Dec 29 14:02 tests",
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"content": " 1→# rust-ai-driven-development-pipeline-template\n 2→\n 3→A comprehensive template for AI-driven Rust development with full CI/CD pipeline support.\n 4→\n 5→[![CI/CD Pipeline](https://github.com/link-foundation/rust-ai-driven-development-pipeline-template/workflows/CI%2FCD%20Pipeline/badge.svg)](https://github.com/link-foundation/rust-ai-driven-development-pipeline-template/actions)\n 6→[![Rust Version](https://img.shields.io/badge/rust-1.70%2B-blue.svg)](https://www.rust-lang.org/)\n 7→[![License: Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/)\n 8→\n 9→## Features\n 10→\n 11→- **Rust stable support**: Works with Rust stable version\n 12→- **Cross-platform testing**: CI runs on Ubuntu, macOS, and Windows\n 13→- **Comprehensive testing**: Unit tests, integration tests, and doc tests\n 14→- **Code quality**: rustfmt + Clippy with pedantic lints\n 15→- **Pre-commit hooks**: Automated code quality checks before commits\n 16→- **CI/CD pipeline**: GitHub Actions with multi-platform support\n 17→- **Changelog management**: Fragment-based changelog (like Changesets/Scriv)\n 18→- **Release automation**: Automatic GitHub releases\n 19→\n 20→## Quick Start\n 21→\n 22→### Using This Template\n 23→\n 24→1. Click \"Use this template\" on GitHub to create a new repository\n 25→2. Clone your new repository\n 26→3. Update `Cargo.toml` with your package name and description\n 27→4. Rename the library and binary in `Cargo.toml`\n 28→5. Update imports in tests and examples\n 29→6. Build and start developing!\n 30→\n 31→### Development Setup\n 32→\n 33→```bash\n 34→# Clone the repository\n 35→git clone https://github.com/link-foundation/rust-ai-driven-development-pipeline-template.git\n 36→cd rust-ai-driven-development-pipeline-template\n 37→\n 38→# Build the project\n 39→cargo build\n 40→\n 41→# Run tests\n 42→cargo test\n 43→\n 44→# Run the example binary\n 45→cargo run\n 46→\n 47→# Run an example\n 48→cargo run --example basic_usage\n 49→```\n 50→\n 51→### Running Tests\n 52→\n 53→```bash\n 54→# Run all tests\n 55→cargo test\n 56→\n 57→# Run tests with verbose output\n 58→cargo test --verbose\n 59→\n 60→# Run doc tests\n 61→cargo test --doc\n 62→\n 63→# Run a specific test\n 64→cargo test test_add_positive_numbers\n 65→\n 66→# Run tests with output\n 67→cargo test -- --nocapture\n 68→```\n 69→\n 70→### Code Quality Checks\n 71→\n 72→```bash\n 73→# Format code\n 74→cargo fmt\n 75→\n 76→# Check formatting (CI style)\n 77→cargo fmt --check\n 78→\n 79→# Run Clippy lints\n 80→cargo clippy --all-targets --all-features\n 81→\n 82→# Check file size limits\n 83→python3 scripts/check_file_size.py\n 84→\n 85→# Run all checks\n 86→cargo fmt --check && cargo clippy --all-targets --all-features && python3 scripts/check_file_size.py\n 87→```\n 88→\n 89→## Project Structure\n 90→\n 91→```\n 92→.\n 93→├── .github/\n 94→│ └── workflows/\n 95→│ └── release.yml # CI/CD pipeline configuration\n 96→├── changelog.d/ # Changelog fragments\n 97→│ ├── README.md # Fragment instructions\n 98→│ └── *.md # Individual changelog entries\n 99→├── examples/\n 100→│ └── basic_usage.rs # Usage examples\n 101→├── scripts/\n 102→│ ├── bump_version.py # Version bumping utility\n 103→│ ├── check_file_size.py # File size validation script\n 104→│ ├── collect_changelog.py # Changelog collection script\n 105→│ ├── create_github_release.py # GitHub release creation\n 106→│ └── version_and_commit.py # CI/CD version management\n 107→├── src/\n 108→│ ├── lib.rs # Library entry point\n 109→│ └── main.rs # Binary entry point\n 110→├── tests/\n 111→│ └── integration_test.rs # Integration tests\n 112→├── .gitignore # Git ignore patterns\n 113→├── .pre-commit-config.yaml # Pre-commit hooks configuration\n 114→├── Cargo.toml # Project configuration\n 115→├── CHANGELOG.md # Project changelog\n 116→├── CONTRIBUTING.md # Contribution guidelines\n 117→├── LICENSE # Unlicense (public domain)\n 118→└── README.md # This file\n 119→```\n 120→\n 121→## Design Choices\n 122→\n 123→### Code Quality Tools\n 124→\n 125→- **rustfmt**: Standard Rust code formatter\n 126→ - Ensures consistent code style across the project\n 127→ - Configured to run on all Rust files\n 128→\n 129→- **Clippy**: Rust linter with comprehensive checks\n 130→ - Pedantic and nursery lints enabled for strict code quality\n 131→ - Catches common mistakes and suggests improvements\n 132→ - Enforces best practices\n 133→\n 134→- **Pre-commit hooks**: Automated checks before each commit\n 135→ - Runs rustfmt to ensure formatting\n 136→ - Runs Clippy to catch issues early\n 137→ - Runs tests to prevent broken commits\n 138→\n 139→### Testing Strategy\n 140→\n 141→The template supports multiple levels of testing:\n 142→\n 143→- **Unit tests**: In `src/lib.rs` using `#[cfg(test)]` modules\n 144→- **Integration tests**: In `tests/` directory\n 145→- **Doc tests**: In documentation examples using `///` comments\n 146→- **Examples**: In `examples/` directory (also serve as documentation)\n 147→\n 148→### Changelog Management\n 149→\n 150→This template uses a fragment-based changelog system similar to:\n 151→- [Changesets](https://github.com/changesets/changesets) (JavaScript)\n 152→- [Scriv](https://scriv.readthedocs.io/) (Python)\n 153→\n 154→Benefits:\n 155→- **No merge conflicts**: Multiple PRs can add fragments without conflicts\n 156→- **Per-PR documentation**: Each PR documents its own changes\n 157→- **Automated collection**: Fragments are collected during release\n 158→- **Consistent format**: Template ensures consistent changelog entries\n 159→\n 160→```bash\n 161→# Create a changelog fragment\n 162→touch changelog.d/$(date +%Y%m%d_%H%M%S)_my_change.md\n 163→\n 164→# Edit the fragment to document your changes\n 165→```\n 166→\n 167→### CI/CD Pipeline\n 168→\n 169→The GitHub Actions workflow provides:\n 170→\n 171→1. **Linting**: rustfmt and Clippy checks\n 172→2. **Changelog check**: Warns if PRs are missing changelog fragments\n 173→3. **Test matrix**: 3 OS (Ubuntu, macOS, Windows) with Rust stable\n 174→4. **Building**: Release build and package validation\n 175→5. **Release**: Automated GitHub releases when version changes\n 176→\n 177→### Release Automation\n 178→\n 179→The release workflow supports:\n 180→\n 181→- **Auto-release**: Automatically creates releases when version in Cargo.toml changes\n 182→- **Manual release**: Trigger releases via workflow_dispatch with version bump type\n 183→- **Changelog collection**: Automatically collects fragments during release\n 184→- **GitHub releases**: Automatic creation with CHANGELOG content\n 185→\n 186→## Configuration\n 187→\n 188→### Updating Package Name\n 189→\n 190→After creating a repository from this template:\n 191→\n 192→1. Update `Cargo.toml`:\n 193→ - Change `name` field\n 194→ - Update `repository` and `documentation` URLs\n 195→ - Change `[lib]` and `[[bin]]` names\n 196→\n 197→2. Rename the crate in imports:\n 198→ - `tests/integration_test.rs`\n 199→ - `examples/basic_usage.rs`\n 200→ - `src/main.rs`\n 201→\n 202→### Clippy Configuration\n 203→\n 204→Clippy is configured in `Cargo.toml` under `[lints.clippy]`:\n 205→\n 206→- Pedantic lints enabled for strict code quality\n 207→- Nursery lints enabled for additional checks\n 208→- Some common patterns allowed (e.g., `module_name_repetitions`)\n 209→\n 210→### rustfmt Configuration\n 211→\n 212→Uses default rustfmt settings. To customize, create a `rustfmt.toml`:\n 213→\n 214→```toml\n 215→edition = \"2021\"\n 216→max_width = 100\n 217→tab_spaces = 4\n 218→```\n 219→\n 220→## Scripts Reference\n 221→\n 222→| Script | Description |\n 223→| ----------------------------------- | ------------------------------ |\n 224→| `cargo test` | Run all tests |\n 225→| `cargo fmt` | Format code |\n 226→| `cargo clippy` | Run lints |\n 227→| `cargo run --example basic_usage` | Run example |\n 228→| `python3 scripts/check_file_size.py`| Check file size limits |\n 229→| `python3 scripts/bump_version.py` | Bump version |\n 230→\n 231→## Example Usage\n 232→\n 233→```rust\n 234→use my_package::{add, multiply, delay};\n 235→\n 236→fn main() {\n 237→ // Basic arithmetic\n 238→ let sum = add(2, 3); // 5\n 239→ let product = multiply(2, 3); // 6\n 240→\n 241→ println!(\"2 + 3 = {sum}\");\n 242→ println!(\"2 * 3 = {product}\");\n 243→}\n 244→\n 245→// Async operations\n 246→#[tokio::main]\n 247→async fn main() {\n 248→ delay(1.0).await; // Wait for 1 second\n 249→}\n 250→```\n 251→\n 252→See `examples/basic_usage.rs` for more examples.\n 253→\n 254→## Contributing\n 255→\n 256→Contributions are welcome! Please see [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines.\n 257→\n 258→### Development Workflow\n 259→\n 260→1. Fork the repository\n 261→2. Create a feature branch: `git checkout -b feature/my-feature`\n 262→3. Make your changes and add tests\n 263→4. Run quality checks: `cargo fmt && cargo clippy && cargo test`\n 264→5. Add a changelog fragment\n 265→6. Commit your changes (pre-commit hooks will run automatically)\n 266→7. Push and create a Pull Request\n 267→\n 268→## License\n 269→\n 270→[Unlicense](LICENSE) - Public Domain\n 271→\n 272→This is free and unencumbered software released into the public domain. See [LICENSE](LICENSE) for details.\n 273→\n 274→## Acknowledgments\n 275→\n 276→Inspired by:\n 277→- [js-ai-driven-development-pipeline-template](https://github.com/link-foundation/js-ai-driven-development-pipeline-template)\n 278→- [python-ai-driven-development-pipeline-template](https://github.com/link-foundation/python-ai-driven-development-pipeline-template)\n 279→\n 280→## Resources\n 281→\n 282→- [Rust Book](https://doc.rust-lang.org/book/)\n 283→- [Cargo Book](https://doc.rust-lang.org/cargo/)\n 284→- [Clippy Documentation](https://rust-lang.github.io/rust-clippy/)\n 285→- [rustfmt Documentation](https://rust-lang.github.io/rustfmt/)\n 286→- [Pre-commit Documentation](https://pre-commit.com/)\n 287→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": "# rust-ai-driven-development-pipeline-template\n\nA comprehensive template for AI-driven Rust development with full CI/CD pipeline support.\n\n[![CI/CD Pipeline](https://github.com/link-foundation/rust-ai-driven-development-pipeline-template/workflows/CI%2FCD%20Pipeline/badge.svg)](https://github.com/link-foundation/rust-ai-driven-development-pipeline-template/actions)\n[![Rust Version](https://img.shields.io/badge/rust-1.70%2B-blue.svg)](https://www.rust-lang.org/)\n[![License: Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/)\n\n## Features\n\n- **Rust stable support**: Works with Rust stable version\n- **Cross-platform testing**: CI runs on Ubuntu, macOS, and Windows\n- **Comprehensive testing**: Unit tests, integration tests, and doc tests\n- **Code quality**: rustfmt + Clippy with pedantic lints\n- **Pre-commit hooks**: Automated code quality checks before commits\n- **CI/CD pipeline**: GitHub Actions with multi-platform support\n- **Changelog management**: Fragment-based changelog (like Changesets/Scriv)\n- **Release automation**: Automatic GitHub releases\n\n## Quick Start\n\n### Using This Template\n\n1. Click \"Use this template\" on GitHub to create a new repository\n2. Clone your new repository\n3. Update `Cargo.toml` with your package name and description\n4. Rename the library and binary in `Cargo.toml`\n5. Update imports in tests and examples\n6. Build and start developing!\n\n### Development Setup\n\n```bash\n# Clone the repository\ngit clone https://github.com/link-foundation/rust-ai-driven-development-pipeline-template.git\ncd rust-ai-driven-development-pipeline-template\n\n# Build the project\ncargo build\n\n# Run tests\ncargo test\n\n# Run the example binary\ncargo run\n\n# Run an example\ncargo run --example basic_usage\n```\n\n### Running Tests\n\n```bash\n# Run all tests\ncargo test\n\n# Run tests with verbose output\ncargo test --verbose\n\n# Run doc tests\ncargo test --doc\n\n# Run a specific test\ncargo test test_add_positive_numbers\n\n# Run tests with output\ncargo test -- --nocapture\n```\n\n### Code Quality Checks\n\n```bash\n# Format code\ncargo fmt\n\n# Check formatting (CI style)\ncargo fmt --check\n\n# Run Clippy lints\ncargo clippy --all-targets --all-features\n\n# Check file size limits\npython3 scripts/check_file_size.py\n\n# Run all checks\ncargo fmt --check && cargo clippy --all-targets --all-features && python3 scripts/check_file_size.py\n```\n\n## Project Structure\n\n```\n.\n├── .github/\n│ └── workflows/\n│ └── release.yml # CI/CD pipeline configuration\n├── changelog.d/ # Changelog fragments\n│ ├── README.md # Fragment instructions\n│ └── *.md # Individual changelog entries\n├── examples/\n│ └── basic_usage.rs # Usage examples\n├── scripts/\n│ ├── bump_version.py # Version bumping utility\n│ ├── check_file_size.py # File size validation script\n│ ├── collect_changelog.py # Changelog collection script\n│ ├── create_github_release.py # GitHub release creation\n│ └── version_and_commit.py # CI/CD version management\n├── src/\n│ ├── lib.rs # Library entry point\n│ └── main.rs # Binary entry point\n├── tests/\n│ └── integration_test.rs # Integration tests\n├── .gitignore # Git ignore patterns\n├── .pre-commit-config.yaml # Pre-commit hooks configuration\n├── Cargo.toml # Project configuration\n├── CHANGELOG.md # Project changelog\n├── CONTRIBUTING.md # Contribution guidelines\n├── LICENSE # Unlicense (public domain)\n└── README.md # This file\n```\n\n## Design Choices\n\n### Code Quality Tools\n\n- **rustfmt**: Standard Rust code formatter\n - Ensures consistent code style across the project\n - Configured to run on all Rust files\n\n- **Clippy**: Rust linter with comprehensive checks\n - Pedantic and nursery lints enabled for strict code quality\n - Catches common mistakes and suggests improvements\n - Enforces best practices\n\n- **Pre-commit hooks**: Automated checks before each commit\n - Runs rustfmt to ensure formatting\n - Runs Clippy to catch issues early\n - Runs tests to prevent broken commits\n\n### Testing Strategy\n\nThe template supports multiple levels of testing:\n\n- **Unit tests**: In `src/lib.rs` using `#[cfg(test)]` modules\n- **Integration tests**: In `tests/` directory\n- **Doc tests**: In documentation examples using `///` comments\n- **Examples**: In `examples/` directory (also serve as documentation)\n\n### Changelog Management\n\nThis template uses a fragment-based changelog system similar to:\n- [Changesets](https://github.com/changesets/changesets) (JavaScript)\n- [Scriv](https://scriv.readthedocs.io/) (Python)\n\nBenefits:\n- **No merge conflicts**: Multiple PRs can add fragments without conflicts\n- **Per-PR documentation**: Each PR documents its own changes\n- **Automated collection**: Fragments are collected during release\n- **Consistent format**: Template ensures consistent changelog entries\n\n```bash\n# Create a changelog fragment\ntouch changelog.d/$(date +%Y%m%d_%H%M%S)_my_change.md\n\n# Edit the fragment to document your changes\n```\n\n### CI/CD Pipeline\n\nThe GitHub Actions workflow provides:\n\n1. **Linting**: rustfmt and Clippy checks\n2. **Changelog check**: Warns if PRs are missing changelog fragments\n3. **Test matrix**: 3 OS (Ubuntu, macOS, Windows) with Rust stable\n4. **Building**: Release build and package validation\n5. **Release**: Automated GitHub releases when version changes\n\n### Release Automation\n\nThe release workflow supports:\n\n- **Auto-release**: Automatically creates releases when version in Cargo.toml changes\n- **Manual release**: Trigger releases via workflow_dispatch with version bump type\n- **Changelog collection**: Automatically collects fragments during release\n- **GitHub releases**: Automatic creation with CHANGELOG content\n\n## Configuration\n\n### Updating Package Name\n\nAfter creating a repository from this template:\n\n1. Update `Cargo.toml`:\n - Change `name` field\n - Update `repository` and `documentation` URLs\n - Change `[lib]` and `[[bin]]` names\n\n2. Rename the crate in imports:\n - `tests/integration_test.rs`\n - `examples/basic_usage.rs`\n - `src/main.rs`\n\n### Clippy Configuration\n\nClippy is configured in `Cargo.toml` under `[lints.clippy]`:\n\n- Pedantic lints enabled for strict code quality\n- Nursery lints enabled for additional checks\n- Some common patterns allowed (e.g., `module_name_repetitions`)\n\n### rustfmt Configuration\n\nUses default rustfmt settings. To customize, create a `rustfmt.toml`:\n\n```toml\nedition = \"2021\"\nmax_width = 100\ntab_spaces = 4\n```\n\n## Scripts Reference\n\n| Script | Description |\n| ----------------------------------- | ------------------------------ |\n| `cargo test` | Run all tests |\n| `cargo fmt` | Format code |\n| `cargo clippy` | Run lints |\n| `cargo run --example basic_usage` | Run example |\n| `python3 scripts/check_file_size.py`| Check file size limits |\n| `python3 scripts/bump_version.py` | Bump version |\n\n## Example Usage\n\n```rust\nuse my_package::{add, multiply, delay};\n\nfn main() {\n // Basic arithmetic\n let sum = add(2, 3); // 5\n let product = multiply(2, 3); // 6\n\n println!(\"2 + 3 = {sum}\");\n println!(\"2 * 3 = {product}\");\n}\n\n// Async operations\n#[tokio::main]\nasync fn main() {\n delay(1.0).await; // Wait for 1 second\n}\n```\n\nSee `examples/basic_usage.rs` for more examples.\n\n## Contributing\n\nContributions are welcome! Please see [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines.\n\n### Development Workflow\n\n1. Fork the repository\n2. Create a feature branch: `git checkout -b feature/my-feature`\n3. Make your changes and add tests\n4. Run quality checks: `cargo fmt && cargo clippy && cargo test`\n5. Add a changelog fragment\n6. Commit your changes (pre-commit hooks will run automatically)\n7. Push and create a Pull Request\n\n## License\n\n[Unlicense](LICENSE) - Public Domain\n\nThis is free and unencumbered software released into the public domain. See [LICENSE](LICENSE) for details.\n\n## Acknowledgments\n\nInspired by:\n- [js-ai-driven-development-pipeline-template](https://github.com/link-foundation/js-ai-driven-development-pipeline-template)\n- [python-ai-driven-development-pipeline-template](https://github.com/link-foundation/python-ai-driven-development-pipeline-template)\n\n## Resources\n\n- [Rust Book](https://doc.rust-lang.org/book/)\n- [Cargo Book](https://doc.rust-lang.org/cargo/)\n- [Clippy Documentation](https://rust-lang.github.io/rust-clippy/)\n- [rustfmt Documentation](https://rust-lang.github.io/rustfmt/)\n- [Pre-commit Documentation](https://pre-commit.com/)\n",
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"content": " 1→# Contributing to rust-ai-driven-development-pipeline-template\n 2→\n 3→Thank you for your interest in contributing! This document provides guidelines and instructions for contributing to this project.\n 4→\n 5→## Development Setup\n 6→\n 7→1. **Fork and clone the repository**\n 8→\n 9→ ```bash\n 10→ git clone https://github.com/YOUR-USERNAME/rust-ai-driven-development-pipeline-template.git\n 11→ cd rust-ai-driven-development-pipeline-template\n 12→ ```\n 13→\n 14→2. **Install Rust**\n 15→\n 16→ Install Rust using rustup (if not already installed):\n 17→\n 18→ ```bash\n 19→ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh\n 20→ ```\n 21→\n 22→3. **Install development tools**\n 23→\n 24→ ```bash\n 25→ rustup component add rustfmt clippy\n 26→ ```\n 27→\n 28→4. **Install pre-commit hooks** (optional but recommended)\n 29→\n 30→ ```bash\n 31→ pip install pre-commit\n 32→ pre-commit install\n 33→ ```\n 34→\n 35→5. **Build the project**\n 36→\n 37→ ```bash\n 38→ cargo build\n 39→ ```\n 40→\n 41→## Development Workflow\n 42→\n 43→1. **Create a feature branch**\n 44→\n 45→ ```bash\n 46→ git checkout -b feature/my-feature\n 47→ ```\n 48→\n 49→2. **Make your changes**\n 50→\n 51→ - Write code following the project's style guidelines\n 52→ - Add tests for any new functionality\n 53→ - Update documentation as needed\n 54→\n 55→3. **Run quality checks**\n 56→\n 57→ ```bash\n 58→ # Format code\n 59→ cargo fmt\n 60→\n 61→ # Run Clippy lints\n 62→ cargo clippy --all-targets --all-features\n 63→\n 64→ # Check file sizes\n 65→ node scripts/check-file-size.mjs\n 66→\n 67→ # Run all checks together\n 68→ cargo fmt --check && cargo clippy --all-targets --all-features && node scripts/check-file-size.mjs\n 69→ ```\n 70→\n 71→4. **Run tests**\n 72→\n 73→ ```bash\n 74→ # Run all tests\n 75→ cargo test\n 76→\n 77→ # Run tests with verbose output\n 78→ cargo test --verbose\n 79→\n 80→ # Run doc tests\n 81→ cargo test --doc\n 82→\n 83→ # Run a specific test\n 84→ cargo test test_name\n 85→ ```\n 86→\n 87→5. **Add a changelog fragment**\n 88→\n 89→ For any user-facing changes, create a changelog fragment:\n 90→\n 91→ ```bash\n 92→ # Create a new file in changelog.d/\n 93→ # Format: YYYYMMDD_HHMMSS_description.md\n 94→ touch changelog.d/$(date +%Y%m%d_%H%M%S)_my_change.md\n 95→ ```\n 96→\n 97→ Edit the file to document your changes:\n 98→\n 99→ ```markdown\n 100→ ### Added\n 101→ - Description of new feature\n 102→\n 103→ ### Fixed\n 104→ - Description of bug fix\n 105→ ```\n 106→\n 107→ **Why fragments?** This prevents merge conflicts in CHANGELOG.md when multiple PRs are open simultaneously.\n 108→\n 109→6. **Commit your changes**\n 110→\n 111→ ```bash\n 112→ git add .\n 113→ git commit -m \"feat: add new feature\"\n 114→ ```\n 115→\n 116→ Pre-commit hooks will automatically run and check your code.\n 117→\n 118→7. **Push and create a Pull Request**\n 119→\n 120→ ```bash\n 121→ git push origin feature/my-feature\n 122→ ```\n 123→\n 124→ Then create a Pull Request on GitHub.\n 125→\n 126→## Code Style Guidelines\n 127→\n 128→This project uses:\n 129→\n 130→- **rustfmt** for code formatting\n 131→- **Clippy** for linting with pedantic and nursery lints enabled\n 132→- **cargo test** for testing\n 133→\n 134→### Code Standards\n 135→\n 136→- Follow Rust idioms and best practices\n 137→- Use documentation comments (`///`) for all public APIs\n 138→- Write tests for all new functionality\n 139→- Keep functions focused and reasonably sized\n 140→- Keep files under 1000 lines\n 141→- Use meaningful variable and function names\n 142→\n 143→### Documentation Format\n 144→\n 145→Use Rust documentation comments:\n 146→\n 147→```rust\n 148→/// Brief description of the function.\n 149→///\n 150→/// Longer description if needed.\n 151→///\n 152→/// # Arguments\n 153→///\n 154→/// * `arg1` - Description of arg1\n 155→/// * `arg2` - Description of arg2\n 156→///\n 157→/// # Returns\n 158→///\n 159→/// Description of return value\n 160→///\n 161→/// # Errors\n 162→///\n 163→/// Description of when errors are returned\n 164→///\n 165→/// # Examples\n 166→///\n 167→/// ```\n 168→/// use my_package::example_function;\n 169→/// let result = example_function(1, 2);\n 170→/// assert_eq!(result, 3);\n 171→/// ```\n 172→pub fn example_function(arg1: i32, arg2: i32) -> i32 {\n 173→ arg1 + arg2\n 174→}\n 175→```\n 176→\n 177→## Testing Guidelines\n 178→\n 179→- Write tests for all new features\n 180→- Maintain or improve test coverage\n 181→- Use descriptive test names\n 182→- Organize tests in modules when appropriate\n 183→- Use `#[cfg(test)]` for test-only code\n 184→\n 185→Example test structure:\n 186→\n 187→```rust\n 188→#[cfg(test)]\n 189→mod tests {\n 190→ use super::*;\n 191→\n 192→ mod my_feature_tests {\n 193→ use super::*;\n 194→\n 195→ #[test]\n 196→ fn test_basic_functionality() {\n 197→ assert_eq!(my_function(), expected_result);\n 198→ }\n 199→\n 200→ #[test]\n 201→ fn test_edge_case() {\n 202→ assert_eq!(my_function(edge_case_input), expected_result);\n 203→ }\n 204→ }\n 205→}\n 206→```\n 207→\n 208→## Pull Request Process\n 209→\n 210→1. Ensure all tests pass locally\n 211→2. Update documentation if needed\n 212→3. Add a changelog fragment (see step 5 in Development Workflow)\n 213→4. Ensure the PR description clearly describes the changes\n 214→5. Link any related issues in the PR description\n 215→6. Wait for CI checks to pass\n 216→7. Address any review feedback\n 217→\n 218→## Changelog Management\n 219→\n 220→This project uses a fragment-based changelog system similar to [Scriv](https://scriv.readthedocs.io/) (Python) and [Changesets](https://github.com/changesets/changesets) (JavaScript).\n 221→\n 222→### Creating a Fragment\n 223→\n 224→```bash\n 225→# Create a new fragment with timestamp\n 226→touch changelog.d/$(date +%Y%m%d_%H%M%S)_description.md\n 227→```\n 228→\n 229→### Fragment Categories\n 230→\n 231→Use these categories in your fragments:\n 232→\n 233→- **Added**: New features\n 234→- **Changed**: Changes to existing functionality\n 235→- **Deprecated**: Features that will be removed in future\n 236→- **Removed**: Features that were removed\n 237→- **Fixed**: Bug fixes\n 238→- **Security**: Security-related changes\n 239→\n 240→### During Release\n 241→\n 242→Fragments are automatically collected into CHANGELOG.md during the release process. The release workflow:\n 243→\n 244→1. Collects all fragments\n 245→2. Updates CHANGELOG.md with the new version entry\n 246→3. Removes processed fragment files\n 247→4. Bumps the version in Cargo.toml\n 248→5. Creates a git tag and GitHub release\n 249→\n 250→## Project Structure\n 251→\n 252→```\n 253→.\n 254→├── .github/workflows/ # GitHub Actions CI/CD\n 255→├── changelog.d/ # Changelog fragments\n 256→│ ├── README.md # Fragment instructions\n 257→│ └── *.md # Individual changelog fragments\n 258→├── examples/ # Usage examples\n 259→├── scripts/ # Utility scripts\n 260→├── src/\n 261→│ ├── lib.rs # Library entry point\n 262→│ └── main.rs # Binary entry point\n 263→├── tests/ # Integration tests\n 264→├── .gitignore # Git ignore patterns\n 265→├── .pre-commit-config.yaml # Pre-commit hooks\n 266→├── Cargo.toml # Project configuration\n 267→├── CHANGELOG.md # Project changelog\n 268→├── CONTRIBUTING.md # This file\n 269→├── LICENSE # Unlicense (public domain)\n 270→└── README.md # Project README\n 271→```\n 272→\n 273→## Release Process\n 274→\n 275→This project uses semantic versioning (MAJOR.MINOR.PATCH):\n 276→\n 277→- **MAJOR**: Breaking changes\n 278→- **MINOR**: New features (backward compatible)\n 279→- **PATCH**: Bug fixes (backward compatible)\n 280→\n 281→Releases are managed through GitHub releases. To trigger a release:\n 282→\n 283→1. Manually trigger the release workflow with a version bump type\n 284→2. Or: Update the version in Cargo.toml and push to main\n 285→\n 286→## Getting Help\n 287→\n 288→- Open an issue for bugs or feature requests\n 289→- Use discussions for questions and general help\n 290→- Check existing issues and PRs before creating new ones\n 291→\n 292→## Code of Conduct\n 293→\n 294→- Be respectful and inclusive\n 295→- Provide constructive feedback\n 296→- Focus on what is best for the community\n 297→- Show empathy towards other community members\n 298→\n 299→Thank you for contributing!\n 300→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": "# Contributing to rust-ai-driven-development-pipeline-template\n\nThank you for your interest in contributing! This document provides guidelines and instructions for contributing to this project.\n\n## Development Setup\n\n1. **Fork and clone the repository**\n\n ```bash\n git clone https://github.com/YOUR-USERNAME/rust-ai-driven-development-pipeline-template.git\n cd rust-ai-driven-development-pipeline-template\n ```\n\n2. **Install Rust**\n\n Install Rust using rustup (if not already installed):\n\n ```bash\n curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh\n ```\n\n3. **Install development tools**\n\n ```bash\n rustup component add rustfmt clippy\n ```\n\n4. **Install pre-commit hooks** (optional but recommended)\n\n ```bash\n pip install pre-commit\n pre-commit install\n ```\n\n5. **Build the project**\n\n ```bash\n cargo build\n ```\n\n## Development Workflow\n\n1. **Create a feature branch**\n\n ```bash\n git checkout -b feature/my-feature\n ```\n\n2. **Make your changes**\n\n - Write code following the project's style guidelines\n - Add tests for any new functionality\n - Update documentation as needed\n\n3. **Run quality checks**\n\n ```bash\n # Format code\n cargo fmt\n\n # Run Clippy lints\n cargo clippy --all-targets --all-features\n\n # Check file sizes\n node scripts/check-file-size.mjs\n\n # Run all checks together\n cargo fmt --check && cargo clippy --all-targets --all-features && node scripts/check-file-size.mjs\n ```\n\n4. **Run tests**\n\n ```bash\n # Run all tests\n cargo test\n\n # Run tests with verbose output\n cargo test --verbose\n\n # Run doc tests\n cargo test --doc\n\n # Run a specific test\n cargo test test_name\n ```\n\n5. **Add a changelog fragment**\n\n For any user-facing changes, create a changelog fragment:\n\n ```bash\n # Create a new file in changelog.d/\n # Format: YYYYMMDD_HHMMSS_description.md\n touch changelog.d/$(date +%Y%m%d_%H%M%S)_my_change.md\n ```\n\n Edit the file to document your changes:\n\n ```markdown\n ### Added\n - Description of new feature\n\n ### Fixed\n - Description of bug fix\n ```\n\n **Why fragments?** This prevents merge conflicts in CHANGELOG.md when multiple PRs are open simultaneously.\n\n6. **Commit your changes**\n\n ```bash\n git add .\n git commit -m \"feat: add new feature\"\n ```\n\n Pre-commit hooks will automatically run and check your code.\n\n7. **Push and create a Pull Request**\n\n ```bash\n git push origin feature/my-feature\n ```\n\n Then create a Pull Request on GitHub.\n\n## Code Style Guidelines\n\nThis project uses:\n\n- **rustfmt** for code formatting\n- **Clippy** for linting with pedantic and nursery lints enabled\n- **cargo test** for testing\n\n### Code Standards\n\n- Follow Rust idioms and best practices\n- Use documentation comments (`///`) for all public APIs\n- Write tests for all new functionality\n- Keep functions focused and reasonably sized\n- Keep files under 1000 lines\n- Use meaningful variable and function names\n\n### Documentation Format\n\nUse Rust documentation comments:\n\n```rust\n/// Brief description of the function.\n///\n/// Longer description if needed.\n///\n/// # Arguments\n///\n/// * `arg1` - Description of arg1\n/// * `arg2` - Description of arg2\n///\n/// # Returns\n///\n/// Description of return value\n///\n/// # Errors\n///\n/// Description of when errors are returned\n///\n/// # Examples\n///\n/// ```\n/// use my_package::example_function;\n/// let result = example_function(1, 2);\n/// assert_eq!(result, 3);\n/// ```\npub fn example_function(arg1: i32, arg2: i32) -> i32 {\n arg1 + arg2\n}\n```\n\n## Testing Guidelines\n\n- Write tests for all new features\n- Maintain or improve test coverage\n- Use descriptive test names\n- Organize tests in modules when appropriate\n- Use `#[cfg(test)]` for test-only code\n\nExample test structure:\n\n```rust\n#[cfg(test)]\nmod tests {\n use super::*;\n\n mod my_feature_tests {\n use super::*;\n\n #[test]\n fn test_basic_functionality() {\n assert_eq!(my_function(), expected_result);\n }\n\n #[test]\n fn test_edge_case() {\n assert_eq!(my_function(edge_case_input), expected_result);\n }\n }\n}\n```\n\n## Pull Request Process\n\n1. Ensure all tests pass locally\n2. Update documentation if needed\n3. Add a changelog fragment (see step 5 in Development Workflow)\n4. Ensure the PR description clearly describes the changes\n5. Link any related issues in the PR description\n6. Wait for CI checks to pass\n7. Address any review feedback\n\n## Changelog Management\n\nThis project uses a fragment-based changelog system similar to [Scriv](https://scriv.readthedocs.io/) (Python) and [Changesets](https://github.com/changesets/changesets) (JavaScript).\n\n### Creating a Fragment\n\n```bash\n# Create a new fragment with timestamp\ntouch changelog.d/$(date +%Y%m%d_%H%M%S)_description.md\n```\n\n### Fragment Categories\n\nUse these categories in your fragments:\n\n- **Added**: New features\n- **Changed**: Changes to existing functionality\n- **Deprecated**: Features that will be removed in future\n- **Removed**: Features that were removed\n- **Fixed**: Bug fixes\n- **Security**: Security-related changes\n\n### During Release\n\nFragments are automatically collected into CHANGELOG.md during the release process. The release workflow:\n\n1. Collects all fragments\n2. Updates CHANGELOG.md with the new version entry\n3. Removes processed fragment files\n4. Bumps the version in Cargo.toml\n5. Creates a git tag and GitHub release\n\n## Project Structure\n\n```\n.\n├── .github/workflows/ # GitHub Actions CI/CD\n├── changelog.d/ # Changelog fragments\n│ ├── README.md # Fragment instructions\n│ └── *.md # Individual changelog fragments\n├── examples/ # Usage examples\n├── scripts/ # Utility scripts\n├── src/\n│ ├── lib.rs # Library entry point\n│ └── main.rs # Binary entry point\n├── tests/ # Integration tests\n├── .gitignore # Git ignore patterns\n├── .pre-commit-config.yaml # Pre-commit hooks\n├── Cargo.toml # Project configuration\n├── CHANGELOG.md # Project changelog\n├── CONTRIBUTING.md # This file\n├── LICENSE # Unlicense (public domain)\n└── README.md # Project README\n```\n\n## Release Process\n\nThis project uses semantic versioning (MAJOR.MINOR.PATCH):\n\n- **MAJOR**: Breaking changes\n- **MINOR**: New features (backward compatible)\n- **PATCH**: Bug fixes (backward compatible)\n\nReleases are managed through GitHub releases. To trigger a release:\n\n1. Manually trigger the release workflow with a version bump type\n2. Or: Update the version in Cargo.toml and push to main\n\n## Getting Help\n\n- Open an issue for bugs or feature requests\n- Use discussions for questions and general help\n- Check existing issues and PRs before creating new ones\n\n## Code of Conduct\n\n- Be respectful and inclusive\n- Provide constructive feedback\n- Focus on what is best for the community\n- Show empathy towards other community members\n\nThank you for contributing!\n",
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"content": "# TradingSettings Configuration Parameters\n\n## Market & Instrument Settings\n- **Instrument**: The trading instrument type\n- **Ticker**: Security symbol identifier\n- **CashCurrency**: Base currency for trading\n- **AccountIndex**: Which account to use for trades\n\n## Price & Profitability Controls\n- **MinimumProfitSteps**: Threshold for acceptable profit increments\n- **EarlySellOwnedLotsDelta**: Price difference triggering early position exit\n- **EarlySellOwnedLotsMultiplier**: Factor multiplying position size for early sales\n\n## Order Book & Market Depth\n- **MarketOrderBookDepth**: Number of order levels to analyze\n- **MinimumMarketOrderSizeToChangeBuyPrice**: Volume needed to shift purchase pricing\n- **MinimumMarketOrderSizeToChangeSellPrice**: Volume needed to shift sale pricing\n\n## Order Sizing Minimums\n- **MinimumMarketOrderSizeToBuy**: Smallest purchase quantity allowed\n- **MinimumMarketOrderSizeToSell**: Smallest sale quantity allowed\n\n## Timing Parameters\n- **MinimumTimeToBuy**: Earliest window for purchase execution\n- **MaximumTimeToBuy**: Latest window for purchase execution\n- **LoadOperationsFrom**: Historical data start date for analysis"
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"result": "# TradingSettings Configuration Parameters\n\n## Market & Instrument Settings\n- **Instrument**: The trading instrument type\n- **Ticker**: Security symbol identifier\n- **CashCurrency**: Base currency for trading\n- **AccountIndex**: Which account to use for trades\n\n## Price & Profitability Controls\n- **MinimumProfitSteps**: Threshold for acceptable profit increments\n- **EarlySellOwnedLotsDelta**: Price difference triggering early position exit\n- **EarlySellOwnedLotsMultiplier**: Factor multiplying position size for early sales\n\n## Order Book & Market Depth\n- **MarketOrderBookDepth**: Number of order levels to analyze\n- **MinimumMarketOrderSizeToChangeBuyPrice**: Volume needed to shift purchase pricing\n- **MinimumMarketOrderSizeToChangeSellPrice**: Volume needed to shift sale pricing\n\n## Order Sizing Minimums\n- **MinimumMarketOrderSizeToBuy**: Smallest purchase quantity allowed\n- **MinimumMarketOrderSizeToSell**: Smallest sale quantity allowed\n\n## Timing Parameters\n- **MinimumTimeToBuy**: Earliest window for purchase execution\n- **MaximumTimeToBuy**: Latest window for purchase execution\n- **LoadOperationsFrom**: Historical data start date for analysis",
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"url": "https://raw.githubusercontent.com/linksplatform/Bot/main/csharp/TraderBot/TradingSettings.cs"
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"text": "Now I have a clear understanding. Let me create a comprehensive todo list and start implementing the scalper trader bot in Rust:"
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"content": "[package]\nname = \"scalper-trader-bot\"\nversion = \"0.1.0\"\nedition = \"2021\"\ndescription = \"A Rust-based scalping trader bot with multi-exchange support, market simulator, and comprehensive testing\"\nreadme = \"README.md\"\nlicense = \"Unlicense\"\nkeywords = [\"trading\", \"scalping\", \"bot\", \"crypto\", \"exchange\"]\ncategories = [\"finance\", \"simulation\"]\nrepository = \"https://github.com/link-assistant/scalper-trader-bot\"\ndocumentation = \"https://github.com/link-assistant/scalper-trader-bot\"\nrust-version = \"1.70\"\n\n[lib]\nname = \"scalper_trader_bot\"\npath = \"src/lib.rs\"\n\n[[bin]]\nname = \"scalper-trader-bot\"\npath = \"src/main.rs\"\n\n[dependencies]\ntokio = { version = \"1.0\", features = [\"rt-multi-thread\", \"macros\", \"time\", \"sync\"] }\nasync-trait = \"0.1\"\nthiserror = \"2.0\"\nserde = { version = \"1.0\", features = [\"derive\"] }\nserde_json = \"1.0\"\nrust_decimal = { version = \"1.36\", features = [\"serde\"] }\nchrono = { version = \"0.4\", features = [\"serde\"] }\ntracing = \"0.1\"\ntracing-subscriber = { version = \"0.3\", features = [\"env-filter\"] }\nuuid = { version = \"1.11\", features = [\"v4\", \"serde\"] }\n\n[dev-dependencies]\ntokio-test = \"0.4\"\n\n[lints.rust]\nunsafe_code = \"forbid\"\n\n[lints.clippy]\nall = { level = \"warn\", priority = -1 }\npedantic = { level = \"warn\", priority = -1 }\nnursery = { level = \"warn\", priority = -1 }\n\n# Allow some common patterns\nmodule_name_repetitions = \"allow\"\ntoo_many_lines = \"allow\"\nmissing_errors_doc = \"allow\"\nmissing_panics_doc = \"allow\"\n\n[profile.release]\nlto = true\ncodegen-units = 1\nstrip = true\n"
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"content": "The file /tmp/gh-issue-solver-1767013378369/Cargo.toml has been updated. Here's the result of running `cat -n` on a snippet of the edited file:\n 1→[package]\n 2→name = \"scalper-trader-bot\"\n 3→version = \"0.1.0\"\n 4→edition = \"2021\"\n 5→description = \"A Rust-based scalping trader bot with multi-exchange support, market simulator, and comprehensive testing\"\n 6→readme = \"README.md\"\n 7→license = \"Unlicense\"\n 8→keywords = [\"trading\", \"scalping\", \"bot\", \"crypto\", \"exchange\"]\n 9→categories = [\"finance\", \"simulation\"]\n 10→repository = \"https://github.com/link-assistant/scalper-trader-bot\"\n 11→documentation = \"https://github.com/link-assistant/scalper-trader-bot\"\n 12→rust-version = \"1.70\"\n 13→\n 14→[lib]\n 15→name = \"scalper_trader_bot\"\n 16→path = \"src/lib.rs\"\n 17→\n 18→[[bin]]\n 19→name = \"scalper-trader-bot\"\n 20→path = \"src/main.rs\"\n 21→\n 22→[dependencies]\n 23→tokio = { version = \"1.0\", features = [\"rt-multi-thread\", \"macros\", \"time\", \"sync\"] }\n 24→async-trait = \"0.1\"\n 25→thiserror = \"2.0\"\n 26→serde = { version = \"1.0\", features = [\"derive\"] }\n 27→serde_json = \"1.0\"\n 28→rust_decimal = { version = \"1.36\", features = [\"serde\"] }\n 29→chrono = { version = \"0.4\", features = [\"serde\"] }\n 30→tracing = \"0.1\"\n 31→tracing-subscriber = { version = \"0.3\", features = [\"env-filter\"] }\n 32→uuid = { version = \"1.11\", features = [\"v4\", \"serde\"] }\n 33→\n 34→[dev-dependencies]\n 35→tokio-test = \"0.4\"\n 36→\n 37→[lints.rust]\n 38→unsafe_code = \"forbid\"\n 39→\n 40→[lints.clippy]\n 41→all = { level = \"warn\", priority = -1 }\n 42→pedantic = { level = \"warn\", priority = -1 }\n 43→nursery = { level = \"warn\", priority = -1 }\n 44→\n 45→# Allow some common patterns\n 46→module_name_repetitions = \"allow\"\n 47→too_many_lines = \"allow\"\n 48→missing_errors_doc = \"allow\"\n 49→missing_panics_doc = \"allow\"\n 50→\n 51→[profile.release]\n 52→lto = true\n 53→codegen-units = 1\n 54→strip = true\n 55→"
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Monetary types for precise financial calculations.\n\nuse rust_decimal::Decimal;\nuse serde::{Deserialize, Serialize};\nuse std::fmt;\n\n/// Represents a currency code (e.g., USD, RUB, BTC).\n#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]\npub struct Currency(String);\n\nimpl Currency {\n /// Creates a new currency from a code string.\n #[must_use]\n pub fn new(code: impl Into<String>) -> Self {\n Self(code.into().to_uppercase())\n }\n\n /// Returns the currency code.\n #[must_use]\n pub fn code(&self) -> &str {\n &self.0\n }\n\n /// US Dollar.\n #[must_use]\n pub fn usd() -> Self {\n Self::new(\"USD\")\n }\n\n /// Russian Ruble.\n #[must_use]\n pub fn rub() -> Self {\n Self::new(\"RUB\")\n }\n\n /// Bitcoin.\n #[must_use]\n pub fn btc() -> Self {\n Self::new(\"BTC\")\n }\n\n /// Ethereum.\n #[must_use]\n pub fn eth() -> Self {\n Self::new(\"ETH\")\n }\n\n /// Tether (USDT).\n #[must_use]\n pub fn usdt() -> Self {\n Self::new(\"USDT\")\n }\n}\n\nimpl fmt::Display for Currency {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{}\", self.0)\n }\n}\n\n/// Represents a precise monetary amount.\n#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]\npub struct Money {\n amount: Decimal,\n currency: Currency,\n}\n\nimpl Money {\n /// Creates a new money value.\n #[must_use]\n pub fn new(amount: Decimal, currency: Currency) -> Self {\n Self { amount, currency }\n }\n\n /// Creates a money value from a floating-point amount.\n #[must_use]\n pub fn from_f64(amount: f64, currency: Currency) -> Self {\n Self {\n amount: Decimal::try_from(amount).unwrap_or_default(),\n currency,\n }\n }\n\n /// Returns the amount.\n #[must_use]\n pub fn amount(&self) -> Decimal {\n self.amount\n }\n\n /// Returns the currency.\n #[must_use]\n pub fn currency(&self) -> &Currency {\n &self.currency\n }\n\n /// Creates a zero amount for the given currency.\n #[must_use]\n pub fn zero(currency: Currency) -> Self {\n Self {\n amount: Decimal::ZERO,\n currency,\n }\n }\n\n /// Checks if the amount is zero.\n #[must_use]\n pub fn is_zero(&self) -> bool {\n self.amount.is_zero()\n }\n\n /// Checks if the amount is positive.\n #[must_use]\n pub fn is_positive(&self) -> bool {\n self.amount.is_sign_positive() && !self.amount.is_zero()\n }\n\n /// Adds another money value (must be same currency).\n pub fn add(&self, other: &Self) -> Result<Self, MoneyError> {\n if self.currency != other.currency {\n return Err(MoneyError::CurrencyMismatch {\n expected: self.currency.clone(),\n actual: other.currency.clone(),\n });\n }\n Ok(Self {\n amount: self.amount + other.amount,\n currency: self.currency.clone(),\n })\n }\n\n /// Subtracts another money value (must be same currency).\n pub fn subtract(&self, other: &Self) -> Result<Self, MoneyError> {\n if self.currency != other.currency {\n return Err(MoneyError::CurrencyMismatch {\n expected: self.currency.clone(),\n actual: other.currency.clone(),\n });\n }\n Ok(Self {\n amount: self.amount - other.amount,\n currency: self.currency.clone(),\n })\n }\n\n /// Multiplies by a quantity.\n #[must_use]\n pub fn multiply(&self, quantity: Quantity) -> Self {\n Self {\n amount: self.amount * quantity.value(),\n currency: self.currency.clone(),\n }\n }\n}\n\nimpl fmt::Display for Money {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{} {}\", self.amount, self.currency)\n }\n}\n\n/// Represents a price (always positive).\n#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]\npub struct Price {\n value: Decimal,\n currency: Currency,\n}\n\nimpl Price {\n /// Creates a new price.\n pub fn new(value: Decimal, currency: Currency) -> Result<Self, MoneyError> {\n if value.is_sign_negative() {\n return Err(MoneyError::NegativePrice);\n }\n Ok(Self { value, currency })\n }\n\n /// Creates a price from a floating-point value.\n pub fn from_f64(value: f64, currency: Currency) -> Result<Self, MoneyError> {\n let decimal = Decimal::try_from(value).map_err(|_| MoneyError::InvalidDecimal)?;\n Self::new(decimal, currency)\n }\n\n /// Returns the price value.\n #[must_use]\n pub fn value(&self) -> Decimal {\n self.value\n }\n\n /// Returns the currency.\n #[must_use]\n pub fn currency(&self) -> &Currency {\n &self.currency\n }\n\n /// Adds a step to the price.\n #[must_use]\n pub fn add_step(&self, step: Decimal) -> Self {\n Self {\n value: self.value + step,\n currency: self.currency.clone(),\n }\n }\n\n /// Subtracts a step from the price.\n #[must_use]\n pub fn subtract_step(&self, step: Decimal) -> Self {\n let new_value = self.value - step;\n Self {\n value: if new_value.is_sign_negative() {\n Decimal::ZERO\n } else {\n new_value\n },\n currency: self.currency.clone(),\n }\n }\n\n /// Calculates the difference from another price.\n pub fn difference(&self, other: &Self) -> Result<Decimal, MoneyError> {\n if self.currency != other.currency {\n return Err(MoneyError::CurrencyMismatch {\n expected: self.currency.clone(),\n actual: other.currency.clone(),\n });\n }\n Ok(self.value - other.value)\n }\n}\n\nimpl fmt::Display for Price {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{} {}\", self.value, self.currency)\n }\n}\n\n/// Represents a quantity of an asset.\n#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]\npub struct Quantity(Decimal);\n\nimpl Quantity {\n /// Creates a new quantity.\n pub fn new(value: Decimal) -> Result<Self, MoneyError> {\n if value.is_sign_negative() {\n return Err(MoneyError::NegativeQuantity);\n }\n Ok(Self(value))\n }\n\n /// Creates a quantity from a u64.\n #[must_use]\n pub fn from_lots(lots: u64) -> Self {\n Self(Decimal::from(lots))\n }\n\n /// Creates a quantity from a floating-point value.\n pub fn from_f64(value: f64) -> Result<Self, MoneyError> {\n if value < 0.0 {\n return Err(MoneyError::NegativeQuantity);\n }\n Ok(Self(\n Decimal::try_from(value).map_err(|_| MoneyError::InvalidDecimal)?,\n ))\n }\n\n /// Returns the quantity value.\n #[must_use]\n pub fn value(&self) -> Decimal {\n self.0\n }\n\n /// Returns the quantity as lots (whole number).\n #[must_use]\n pub fn as_lots(&self) -> u64 {\n self.0.to_string().parse().unwrap_or(0)\n }\n\n /// Checks if the quantity is zero.\n #[must_use]\n pub fn is_zero(&self) -> bool {\n self.0.is_zero()\n }\n\n /// Creates a zero quantity.\n #[must_use]\n pub fn zero() -> Self {\n Self(Decimal::ZERO)\n }\n\n /// Adds another quantity.\n #[must_use]\n pub fn add(&self, other: Self) -> Self {\n Self(self.0 + other.0)\n }\n\n /// Subtracts another quantity (returns zero if would be negative).\n #[must_use]\n pub fn subtract(&self, other: Self) -> Self {\n let result = self.0 - other.0;\n if result.is_sign_negative() {\n Self::zero()\n } else {\n Self(result)\n }\n }\n}\n\nimpl fmt::Display for Quantity {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{}\", self.0)\n }\n}\n\n/// Error type for money operations.\n#[derive(Debug, Clone, thiserror::Error)]\npub enum MoneyError {\n #[error(\"Currency mismatch: expected {expected}, got {actual}\")]\n CurrencyMismatch { expected: Currency, actual: Currency },\n\n #[error(\"Price cannot be negative\")]\n NegativePrice,\n\n #[error(\"Quantity cannot be negative\")]\n NegativeQuantity,\n\n #[error(\"Invalid decimal value\")]\n InvalidDecimal,\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n mod currency_tests {\n use super::*;\n\n #[test]\n fn test_currency_creation() {\n let usd = Currency::new(\"usd\");\n assert_eq!(usd.code(), \"USD\");\n }\n\n #[test]\n fn test_predefined_currencies() {\n assert_eq!(Currency::usd().code(), \"USD\");\n assert_eq!(Currency::rub().code(), \"RUB\");\n assert_eq!(Currency::btc().code(), \"BTC\");\n }\n }\n\n mod money_tests {\n use super::*;\n\n #[test]\n fn test_money_creation() {\n let money = Money::from_f64(100.50, Currency::usd());\n assert_eq!(money.currency().code(), \"USD\");\n }\n\n #[test]\n fn test_money_add() {\n let a = Money::from_f64(100.0, Currency::usd());\n let b = Money::from_f64(50.0, Currency::usd());\n let result = a.add(&b).unwrap();\n assert_eq!(result.amount(), Decimal::from(150));\n }\n\n #[test]\n fn test_money_currency_mismatch() {\n let a = Money::from_f64(100.0, Currency::usd());\n let b = Money::from_f64(50.0, Currency::rub());\n assert!(a.add(&b).is_err());\n }\n }\n\n mod price_tests {\n use super::*;\n\n #[test]\n fn test_price_creation() {\n let price = Price::from_f64(100.50, Currency::usd()).unwrap();\n assert_eq!(price.currency().code(), \"USD\");\n }\n\n #[test]\n fn test_negative_price_rejected() {\n let result = Price::from_f64(-100.0, Currency::usd());\n assert!(result.is_err());\n }\n\n #[test]\n fn test_price_step_operations() {\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n let higher = price.add_step(Decimal::from(1));\n assert_eq!(higher.value(), Decimal::from(101));\n }\n }\n\n mod quantity_tests {\n use super::*;\n\n #[test]\n fn test_quantity_from_lots() {\n let qty = Quantity::from_lots(10);\n assert_eq!(qty.as_lots(), 10);\n }\n\n #[test]\n fn test_negative_quantity_rejected() {\n let result = Quantity::from_f64(-1.0);\n assert!(result.is_err());\n }\n\n #[test]\n fn test_quantity_operations() {\n let a = Quantity::from_lots(10);\n let b = Quantity::from_lots(3);\n assert_eq!(a.add(b).as_lots(), 13);\n assert_eq!(a.subtract(b).as_lots(), 7);\n }\n }\n}\n"
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"content": "//! Monetary types for precise financial calculations.\n\nuse rust_decimal::Decimal;\nuse serde::{Deserialize, Serialize};\nuse std::fmt;\n\n/// Represents a currency code (e.g., USD, RUB, BTC).\n#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]\npub struct Currency(String);\n\nimpl Currency {\n /// Creates a new currency from a code string.\n #[must_use]\n pub fn new(code: impl Into<String>) -> Self {\n Self(code.into().to_uppercase())\n }\n\n /// Returns the currency code.\n #[must_use]\n pub fn code(&self) -> &str {\n &self.0\n }\n\n /// US Dollar.\n #[must_use]\n pub fn usd() -> Self {\n Self::new(\"USD\")\n }\n\n /// Russian Ruble.\n #[must_use]\n pub fn rub() -> Self {\n Self::new(\"RUB\")\n }\n\n /// Bitcoin.\n #[must_use]\n pub fn btc() -> Self {\n Self::new(\"BTC\")\n }\n\n /// Ethereum.\n #[must_use]\n pub fn eth() -> Self {\n Self::new(\"ETH\")\n }\n\n /// Tether (USDT).\n #[must_use]\n pub fn usdt() -> Self {\n Self::new(\"USDT\")\n }\n}\n\nimpl fmt::Display for Currency {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{}\", self.0)\n }\n}\n\n/// Represents a precise monetary amount.\n#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]\npub struct Money {\n amount: Decimal,\n currency: Currency,\n}\n\nimpl Money {\n /// Creates a new money value.\n #[must_use]\n pub fn new(amount: Decimal, currency: Currency) -> Self {\n Self { amount, currency }\n }\n\n /// Creates a money value from a floating-point amount.\n #[must_use]\n pub fn from_f64(amount: f64, currency: Currency) -> Self {\n Self {\n amount: Decimal::try_from(amount).unwrap_or_default(),\n currency,\n }\n }\n\n /// Returns the amount.\n #[must_use]\n pub fn amount(&self) -> Decimal {\n self.amount\n }\n\n /// Returns the currency.\n #[must_use]\n pub fn currency(&self) -> &Currency {\n &self.currency\n }\n\n /// Creates a zero amount for the given currency.\n #[must_use]\n pub fn zero(currency: Currency) -> Self {\n Self {\n amount: Decimal::ZERO,\n currency,\n }\n }\n\n /// Checks if the amount is zero.\n #[must_use]\n pub fn is_zero(&self) -> bool {\n self.amount.is_zero()\n }\n\n /// Checks if the amount is positive.\n #[must_use]\n pub fn is_positive(&self) -> bool {\n self.amount.is_sign_positive() && !self.amount.is_zero()\n }\n\n /// Adds another money value (must be same currency).\n pub fn add(&self, other: &Self) -> Result<Self, MoneyError> {\n if self.currency != other.currency {\n return Err(MoneyError::CurrencyMismatch {\n expected: self.currency.clone(),\n actual: other.currency.clone(),\n });\n }\n Ok(Self {\n amount: self.amount + other.amount,\n currency: self.currency.clone(),\n })\n }\n\n /// Subtracts another money value (must be same currency).\n pub fn subtract(&self, other: &Self) -> Result<Self, MoneyError> {\n if self.currency != other.currency {\n return Err(MoneyError::CurrencyMismatch {\n expected: self.currency.clone(),\n actual: other.currency.clone(),\n });\n }\n Ok(Self {\n amount: self.amount - other.amount,\n currency: self.currency.clone(),\n })\n }\n\n /// Multiplies by a quantity.\n #[must_use]\n pub fn multiply(&self, quantity: Quantity) -> Self {\n Self {\n amount: self.amount * quantity.value(),\n currency: self.currency.clone(),\n }\n }\n}\n\nimpl fmt::Display for Money {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{} {}\", self.amount, self.currency)\n }\n}\n\n/// Represents a price (always positive).\n#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]\npub struct Price {\n value: Decimal,\n currency: Currency,\n}\n\nimpl Price {\n /// Creates a new price.\n pub fn new(value: Decimal, currency: Currency) -> Result<Self, MoneyError> {\n if value.is_sign_negative() {\n return Err(MoneyError::NegativePrice);\n }\n Ok(Self { value, currency })\n }\n\n /// Creates a price from a floating-point value.\n pub fn from_f64(value: f64, currency: Currency) -> Result<Self, MoneyError> {\n let decimal = Decimal::try_from(value).map_err(|_| MoneyError::InvalidDecimal)?;\n Self::new(decimal, currency)\n }\n\n /// Returns the price value.\n #[must_use]\n pub fn value(&self) -> Decimal {\n self.value\n }\n\n /// Returns the currency.\n #[must_use]\n pub fn currency(&self) -> &Currency {\n &self.currency\n }\n\n /// Adds a step to the price.\n #[must_use]\n pub fn add_step(&self, step: Decimal) -> Self {\n Self {\n value: self.value + step,\n currency: self.currency.clone(),\n }\n }\n\n /// Subtracts a step from the price.\n #[must_use]\n pub fn subtract_step(&self, step: Decimal) -> Self {\n let new_value = self.value - step;\n Self {\n value: if new_value.is_sign_negative() {\n Decimal::ZERO\n } else {\n new_value\n },\n currency: self.currency.clone(),\n }\n }\n\n /// Calculates the difference from another price.\n pub fn difference(&self, other: &Self) -> Result<Decimal, MoneyError> {\n if self.currency != other.currency {\n return Err(MoneyError::CurrencyMismatch {\n expected: self.currency.clone(),\n actual: other.currency.clone(),\n });\n }\n Ok(self.value - other.value)\n }\n}\n\nimpl fmt::Display for Price {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{} {}\", self.value, self.currency)\n }\n}\n\n/// Represents a quantity of an asset.\n#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]\npub struct Quantity(Decimal);\n\nimpl Quantity {\n /// Creates a new quantity.\n pub fn new(value: Decimal) -> Result<Self, MoneyError> {\n if value.is_sign_negative() {\n return Err(MoneyError::NegativeQuantity);\n }\n Ok(Self(value))\n }\n\n /// Creates a quantity from a u64.\n #[must_use]\n pub fn from_lots(lots: u64) -> Self {\n Self(Decimal::from(lots))\n }\n\n /// Creates a quantity from a floating-point value.\n pub fn from_f64(value: f64) -> Result<Self, MoneyError> {\n if value < 0.0 {\n return Err(MoneyError::NegativeQuantity);\n }\n Ok(Self(\n Decimal::try_from(value).map_err(|_| MoneyError::InvalidDecimal)?,\n ))\n }\n\n /// Returns the quantity value.\n #[must_use]\n pub fn value(&self) -> Decimal {\n self.0\n }\n\n /// Returns the quantity as lots (whole number).\n #[must_use]\n pub fn as_lots(&self) -> u64 {\n self.0.to_string().parse().unwrap_or(0)\n }\n\n /// Checks if the quantity is zero.\n #[must_use]\n pub fn is_zero(&self) -> bool {\n self.0.is_zero()\n }\n\n /// Creates a zero quantity.\n #[must_use]\n pub fn zero() -> Self {\n Self(Decimal::ZERO)\n }\n\n /// Adds another quantity.\n #[must_use]\n pub fn add(&self, other: Self) -> Self {\n Self(self.0 + other.0)\n }\n\n /// Subtracts another quantity (returns zero if would be negative).\n #[must_use]\n pub fn subtract(&self, other: Self) -> Self {\n let result = self.0 - other.0;\n if result.is_sign_negative() {\n Self::zero()\n } else {\n Self(result)\n }\n }\n}\n\nimpl fmt::Display for Quantity {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{}\", self.0)\n }\n}\n\n/// Error type for money operations.\n#[derive(Debug, Clone, thiserror::Error)]\npub enum MoneyError {\n #[error(\"Currency mismatch: expected {expected}, got {actual}\")]\n CurrencyMismatch { expected: Currency, actual: Currency },\n\n #[error(\"Price cannot be negative\")]\n NegativePrice,\n\n #[error(\"Quantity cannot be negative\")]\n NegativeQuantity,\n\n #[error(\"Invalid decimal value\")]\n InvalidDecimal,\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n mod currency_tests {\n use super::*;\n\n #[test]\n fn test_currency_creation() {\n let usd = Currency::new(\"usd\");\n assert_eq!(usd.code(), \"USD\");\n }\n\n #[test]\n fn test_predefined_currencies() {\n assert_eq!(Currency::usd().code(), \"USD\");\n assert_eq!(Currency::rub().code(), \"RUB\");\n assert_eq!(Currency::btc().code(), \"BTC\");\n }\n }\n\n mod money_tests {\n use super::*;\n\n #[test]\n fn test_money_creation() {\n let money = Money::from_f64(100.50, Currency::usd());\n assert_eq!(money.currency().code(), \"USD\");\n }\n\n #[test]\n fn test_money_add() {\n let a = Money::from_f64(100.0, Currency::usd());\n let b = Money::from_f64(50.0, Currency::usd());\n let result = a.add(&b).unwrap();\n assert_eq!(result.amount(), Decimal::from(150));\n }\n\n #[test]\n fn test_money_currency_mismatch() {\n let a = Money::from_f64(100.0, Currency::usd());\n let b = Money::from_f64(50.0, Currency::rub());\n assert!(a.add(&b).is_err());\n }\n }\n\n mod price_tests {\n use super::*;\n\n #[test]\n fn test_price_creation() {\n let price = Price::from_f64(100.50, Currency::usd()).unwrap();\n assert_eq!(price.currency().code(), \"USD\");\n }\n\n #[test]\n fn test_negative_price_rejected() {\n let result = Price::from_f64(-100.0, Currency::usd());\n assert!(result.is_err());\n }\n\n #[test]\n fn test_price_step_operations() {\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n let higher = price.add_step(Decimal::from(1));\n assert_eq!(higher.value(), Decimal::from(101));\n }\n }\n\n mod quantity_tests {\n use super::*;\n\n #[test]\n fn test_quantity_from_lots() {\n let qty = Quantity::from_lots(10);\n assert_eq!(qty.as_lots(), 10);\n }\n\n #[test]\n fn test_negative_quantity_rejected() {\n let result = Quantity::from_f64(-1.0);\n assert!(result.is_err());\n }\n\n #[test]\n fn test_quantity_operations() {\n let a = Quantity::from_lots(10);\n let b = Quantity::from_lots(3);\n assert_eq!(a.add(b).as_lots(), 13);\n assert_eq!(a.subtract(b).as_lots(), 7);\n }\n }\n}\n",
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"content": "//! Order types for trading operations.\n\nuse super::{Price, Quantity};\nuse chrono::{DateTime, Utc};\nuse serde::{Deserialize, Serialize};\nuse std::fmt;\nuse uuid::Uuid;\n\n/// Unique identifier for an order.\n#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]\npub struct OrderId(String);\n\nimpl OrderId {\n /// Creates a new order ID from a string.\n #[must_use]\n pub fn new(id: impl Into<String>) -> Self {\n Self(id.into())\n }\n\n /// Generates a new random order ID.\n #[must_use]\n pub fn generate() -> Self {\n Self(Uuid::new_v4().to_string())\n }\n\n /// Returns the ID as a string slice.\n #[must_use]\n pub fn as_str(&self) -> &str {\n &self.0\n }\n}\n\nimpl fmt::Display for OrderId {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{}\", self.0)\n }\n}\n\n/// Direction of the order.\n#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]\npub enum OrderSide {\n /// Buy order - acquiring an asset.\n Buy,\n /// Sell order - disposing of an asset.\n Sell,\n}\n\nimpl fmt::Display for OrderSide {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n match self {\n Self::Buy => write!(f, \"BUY\"),\n Self::Sell => write!(f, \"SELL\"),\n }\n }\n}\n\n/// Type of order execution.\n#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]\npub enum OrderType {\n /// Market order - execute immediately at current market price.\n Market,\n /// Limit order - execute only at specified price or better.\n Limit,\n}\n\nimpl fmt::Display for OrderType {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n match self {\n Self::Market => write!(f, \"MARKET\"),\n Self::Limit => write!(f, \"LIMIT\"),\n }\n }\n}\n\n/// Current status of an order.\n#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]\npub enum OrderStatus {\n /// Order is pending submission.\n Pending,\n /// Order has been submitted to the exchange.\n Submitted,\n /// Order is partially filled.\n PartiallyFilled,\n /// Order is completely filled.\n Filled,\n /// Order has been cancelled.\n Cancelled,\n /// Order was rejected by the exchange.\n Rejected,\n /// Order has expired.\n Expired,\n}\n\nimpl fmt::Display for OrderStatus {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n match self {\n Self::Pending => write!(f, \"PENDING\"),\n Self::Submitted => write!(f, \"SUBMITTED\"),\n Self::PartiallyFilled => write!(f, \"PARTIALLY_FILLED\"),\n Self::Filled => write!(f, \"FILLED\"),\n Self::Cancelled => write!(f, \"CANCELLED\"),\n Self::Rejected => write!(f, \"REJECTED\"),\n Self::Expired => write!(f, \"EXPIRED\"),\n }\n }\n}\n\nimpl OrderStatus {\n /// Checks if the order is in a terminal state.\n #[must_use]\n pub fn is_terminal(&self) -> bool {\n matches!(\n self,\n Self::Filled | Self::Cancelled | Self::Rejected | Self::Expired\n )\n }\n\n /// Checks if the order is still active.\n #[must_use]\n pub fn is_active(&self) -> bool {\n matches!(self, Self::Pending | Self::Submitted | Self::PartiallyFilled)\n }\n}\n\n/// Represents a trading order.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct Order {\n id: OrderId,\n instrument: String,\n side: OrderSide,\n order_type: OrderType,\n quantity: Quantity,\n filled_quantity: Quantity,\n price: Option<Price>,\n status: OrderStatus,\n created_at: DateTime<Utc>,\n updated_at: DateTime<Utc>,\n}\n\nimpl Order {\n /// Creates a new limit order.\n #[must_use]\n pub fn limit(instrument: impl Into<String>, side: OrderSide, quantity: Quantity, price: Price) -> Self {\n let now = Utc::now();\n Self {\n id: OrderId::generate(),\n instrument: instrument.into(),\n side,\n order_type: OrderType::Limit,\n quantity,\n filled_quantity: Quantity::zero(),\n price: Some(price),\n status: OrderStatus::Pending,\n created_at: now,\n updated_at: now,\n }\n }\n\n /// Creates a new market order.\n #[must_use]\n pub fn market(instrument: impl Into<String>, side: OrderSide, quantity: Quantity) -> Self {\n let now = Utc::now();\n Self {\n id: OrderId::generate(),\n instrument: instrument.into(),\n side,\n order_type: OrderType::Market,\n quantity,\n filled_quantity: Quantity::zero(),\n price: None,\n status: OrderStatus::Pending,\n created_at: now,\n updated_at: now,\n }\n }\n\n /// Returns the order ID.\n #[must_use]\n pub fn id(&self) -> &OrderId {\n &self.id\n }\n\n /// Returns the instrument.\n #[must_use]\n pub fn instrument(&self) -> &str {\n &self.instrument\n }\n\n /// Returns the order side.\n #[must_use]\n pub fn side(&self) -> OrderSide {\n self.side\n }\n\n /// Returns the order type.\n #[must_use]\n pub fn order_type(&self) -> OrderType {\n self.order_type\n }\n\n /// Returns the requested quantity.\n #[must_use]\n pub fn quantity(&self) -> Quantity {\n self.quantity\n }\n\n /// Returns the filled quantity.\n #[must_use]\n pub fn filled_quantity(&self) -> Quantity {\n self.filled_quantity\n }\n\n /// Returns the remaining quantity to be filled.\n #[must_use]\n pub fn remaining_quantity(&self) -> Quantity {\n self.quantity.subtract(self.filled_quantity)\n }\n\n /// Returns the limit price (if any).\n #[must_use]\n pub fn price(&self) -> Option<&Price> {\n self.price.as_ref()\n }\n\n /// Returns the current status.\n #[must_use]\n pub fn status(&self) -> OrderStatus {\n self.status\n }\n\n /// Returns the creation timestamp.\n #[must_use]\n pub fn created_at(&self) -> DateTime<Utc> {\n self.created_at\n }\n\n /// Returns the last update timestamp.\n #[must_use]\n pub fn updated_at(&self) -> DateTime<Utc> {\n self.updated_at\n }\n\n /// Updates the order status.\n pub fn set_status(&mut self, status: OrderStatus) {\n self.status = status;\n self.updated_at = Utc::now();\n }\n\n /// Records a partial fill.\n pub fn fill(&mut self, quantity: Quantity) {\n self.filled_quantity = self.filled_quantity.add(quantity);\n self.updated_at = Utc::now();\n\n if self.filled_quantity >= self.quantity {\n self.status = OrderStatus::Filled;\n } else {\n self.status = OrderStatus::PartiallyFilled;\n }\n }\n\n /// Marks the order as submitted.\n pub fn submit(&mut self) {\n if self.status == OrderStatus::Pending {\n self.status = OrderStatus::Submitted;\n self.updated_at = Utc::now();\n }\n }\n\n /// Cancels the order.\n pub fn cancel(&mut self) {\n if self.status.is_active() {\n self.status = OrderStatus::Cancelled;\n self.updated_at = Utc::now();\n }\n }\n\n /// Checks if this is a buy order.\n #[must_use]\n pub fn is_buy(&self) -> bool {\n self.side == OrderSide::Buy\n }\n\n /// Checks if this is a sell order.\n #[must_use]\n pub fn is_sell(&self) -> bool {\n self.side == OrderSide::Sell\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n use crate::types::Currency;\n\n mod order_id_tests {\n use super::*;\n\n #[test]\n fn test_order_id_generation() {\n let id1 = OrderId::generate();\n let id2 = OrderId::generate();\n assert_ne!(id1, id2);\n }\n\n #[test]\n fn test_order_id_from_string() {\n let id = OrderId::new(\"test-order-123\");\n assert_eq!(id.as_str(), \"test-order-123\");\n }\n }\n\n mod order_tests {\n use super::*;\n\n #[test]\n fn test_limit_order_creation() {\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n let qty = Quantity::from_lots(10);\n let order = Order::limit(\"AAPL\", OrderSide::Buy, qty, price);\n\n assert_eq!(order.instrument(), \"AAPL\");\n assert_eq!(order.side(), OrderSide::Buy);\n assert_eq!(order.order_type(), OrderType::Limit);\n assert_eq!(order.status(), OrderStatus::Pending);\n }\n\n #[test]\n fn test_market_order_creation() {\n let qty = Quantity::from_lots(5);\n let order = Order::market(\"BTC/USDT\", OrderSide::Sell, qty);\n\n assert_eq!(order.instrument(), \"BTC/USDT\");\n assert_eq!(order.side(), OrderSide::Sell);\n assert_eq!(order.order_type(), OrderType::Market);\n assert!(order.price().is_none());\n }\n\n #[test]\n fn test_order_fill() {\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n let qty = Quantity::from_lots(10);\n let mut order = Order::limit(\"AAPL\", OrderSide::Buy, qty, price);\n\n order.submit();\n assert_eq!(order.status(), OrderStatus::Submitted);\n\n order.fill(Quantity::from_lots(5));\n assert_eq!(order.status(), OrderStatus::PartiallyFilled);\n assert_eq!(order.filled_quantity().as_lots(), 5);\n assert_eq!(order.remaining_quantity().as_lots(), 5);\n\n order.fill(Quantity::from_lots(5));\n assert_eq!(order.status(), OrderStatus::Filled);\n assert_eq!(order.remaining_quantity().as_lots(), 0);\n }\n\n #[test]\n fn test_order_cancel() {\n let qty = Quantity::from_lots(10);\n let mut order = Order::market(\"AAPL\", OrderSide::Buy, qty);\n\n order.submit();\n order.cancel();\n\n assert_eq!(order.status(), OrderStatus::Cancelled);\n }\n\n #[test]\n fn test_status_is_terminal() {\n assert!(OrderStatus::Filled.is_terminal());\n assert!(OrderStatus::Cancelled.is_terminal());\n assert!(OrderStatus::Rejected.is_terminal());\n assert!(!OrderStatus::Pending.is_terminal());\n assert!(!OrderStatus::Submitted.is_terminal());\n }\n }\n}\n"
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"content": "//! Order types for trading operations.\n\nuse super::{Price, Quantity};\nuse chrono::{DateTime, Utc};\nuse serde::{Deserialize, Serialize};\nuse std::fmt;\nuse uuid::Uuid;\n\n/// Unique identifier for an order.\n#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]\npub struct OrderId(String);\n\nimpl OrderId {\n /// Creates a new order ID from a string.\n #[must_use]\n pub fn new(id: impl Into<String>) -> Self {\n Self(id.into())\n }\n\n /// Generates a new random order ID.\n #[must_use]\n pub fn generate() -> Self {\n Self(Uuid::new_v4().to_string())\n }\n\n /// Returns the ID as a string slice.\n #[must_use]\n pub fn as_str(&self) -> &str {\n &self.0\n }\n}\n\nimpl fmt::Display for OrderId {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{}\", self.0)\n }\n}\n\n/// Direction of the order.\n#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]\npub enum OrderSide {\n /// Buy order - acquiring an asset.\n Buy,\n /// Sell order - disposing of an asset.\n Sell,\n}\n\nimpl fmt::Display for OrderSide {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n match self {\n Self::Buy => write!(f, \"BUY\"),\n Self::Sell => write!(f, \"SELL\"),\n }\n }\n}\n\n/// Type of order execution.\n#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]\npub enum OrderType {\n /// Market order - execute immediately at current market price.\n Market,\n /// Limit order - execute only at specified price or better.\n Limit,\n}\n\nimpl fmt::Display for OrderType {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n match self {\n Self::Market => write!(f, \"MARKET\"),\n Self::Limit => write!(f, \"LIMIT\"),\n }\n }\n}\n\n/// Current status of an order.\n#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]\npub enum OrderStatus {\n /// Order is pending submission.\n Pending,\n /// Order has been submitted to the exchange.\n Submitted,\n /// Order is partially filled.\n PartiallyFilled,\n /// Order is completely filled.\n Filled,\n /// Order has been cancelled.\n Cancelled,\n /// Order was rejected by the exchange.\n Rejected,\n /// Order has expired.\n Expired,\n}\n\nimpl fmt::Display for OrderStatus {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n match self {\n Self::Pending => write!(f, \"PENDING\"),\n Self::Submitted => write!(f, \"SUBMITTED\"),\n Self::PartiallyFilled => write!(f, \"PARTIALLY_FILLED\"),\n Self::Filled => write!(f, \"FILLED\"),\n Self::Cancelled => write!(f, \"CANCELLED\"),\n Self::Rejected => write!(f, \"REJECTED\"),\n Self::Expired => write!(f, \"EXPIRED\"),\n }\n }\n}\n\nimpl OrderStatus {\n /// Checks if the order is in a terminal state.\n #[must_use]\n pub fn is_terminal(&self) -> bool {\n matches!(\n self,\n Self::Filled | Self::Cancelled | Self::Rejected | Self::Expired\n )\n }\n\n /// Checks if the order is still active.\n #[must_use]\n pub fn is_active(&self) -> bool {\n matches!(self, Self::Pending | Self::Submitted | Self::PartiallyFilled)\n }\n}\n\n/// Represents a trading order.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct Order {\n id: OrderId,\n instrument: String,\n side: OrderSide,\n order_type: OrderType,\n quantity: Quantity,\n filled_quantity: Quantity,\n price: Option<Price>,\n status: OrderStatus,\n created_at: DateTime<Utc>,\n updated_at: DateTime<Utc>,\n}\n\nimpl Order {\n /// Creates a new limit order.\n #[must_use]\n pub fn limit(instrument: impl Into<String>, side: OrderSide, quantity: Quantity, price: Price) -> Self {\n let now = Utc::now();\n Self {\n id: OrderId::generate(),\n instrument: instrument.into(),\n side,\n order_type: OrderType::Limit,\n quantity,\n filled_quantity: Quantity::zero(),\n price: Some(price),\n status: OrderStatus::Pending,\n created_at: now,\n updated_at: now,\n }\n }\n\n /// Creates a new market order.\n #[must_use]\n pub fn market(instrument: impl Into<String>, side: OrderSide, quantity: Quantity) -> Self {\n let now = Utc::now();\n Self {\n id: OrderId::generate(),\n instrument: instrument.into(),\n side,\n order_type: OrderType::Market,\n quantity,\n filled_quantity: Quantity::zero(),\n price: None,\n status: OrderStatus::Pending,\n created_at: now,\n updated_at: now,\n }\n }\n\n /// Returns the order ID.\n #[must_use]\n pub fn id(&self) -> &OrderId {\n &self.id\n }\n\n /// Returns the instrument.\n #[must_use]\n pub fn instrument(&self) -> &str {\n &self.instrument\n }\n\n /// Returns the order side.\n #[must_use]\n pub fn side(&self) -> OrderSide {\n self.side\n }\n\n /// Returns the order type.\n #[must_use]\n pub fn order_type(&self) -> OrderType {\n self.order_type\n }\n\n /// Returns the requested quantity.\n #[must_use]\n pub fn quantity(&self) -> Quantity {\n self.quantity\n }\n\n /// Returns the filled quantity.\n #[must_use]\n pub fn filled_quantity(&self) -> Quantity {\n self.filled_quantity\n }\n\n /// Returns the remaining quantity to be filled.\n #[must_use]\n pub fn remaining_quantity(&self) -> Quantity {\n self.quantity.subtract(self.filled_quantity)\n }\n\n /// Returns the limit price (if any).\n #[must_use]\n pub fn price(&self) -> Option<&Price> {\n self.price.as_ref()\n }\n\n /// Returns the current status.\n #[must_use]\n pub fn status(&self) -> OrderStatus {\n self.status\n }\n\n /// Returns the creation timestamp.\n #[must_use]\n pub fn created_at(&self) -> DateTime<Utc> {\n self.created_at\n }\n\n /// Returns the last update timestamp.\n #[must_use]\n pub fn updated_at(&self) -> DateTime<Utc> {\n self.updated_at\n }\n\n /// Updates the order status.\n pub fn set_status(&mut self, status: OrderStatus) {\n self.status = status;\n self.updated_at = Utc::now();\n }\n\n /// Records a partial fill.\n pub fn fill(&mut self, quantity: Quantity) {\n self.filled_quantity = self.filled_quantity.add(quantity);\n self.updated_at = Utc::now();\n\n if self.filled_quantity >= self.quantity {\n self.status = OrderStatus::Filled;\n } else {\n self.status = OrderStatus::PartiallyFilled;\n }\n }\n\n /// Marks the order as submitted.\n pub fn submit(&mut self) {\n if self.status == OrderStatus::Pending {\n self.status = OrderStatus::Submitted;\n self.updated_at = Utc::now();\n }\n }\n\n /// Cancels the order.\n pub fn cancel(&mut self) {\n if self.status.is_active() {\n self.status = OrderStatus::Cancelled;\n self.updated_at = Utc::now();\n }\n }\n\n /// Checks if this is a buy order.\n #[must_use]\n pub fn is_buy(&self) -> bool {\n self.side == OrderSide::Buy\n }\n\n /// Checks if this is a sell order.\n #[must_use]\n pub fn is_sell(&self) -> bool {\n self.side == OrderSide::Sell\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n use crate::types::Currency;\n\n mod order_id_tests {\n use super::*;\n\n #[test]\n fn test_order_id_generation() {\n let id1 = OrderId::generate();\n let id2 = OrderId::generate();\n assert_ne!(id1, id2);\n }\n\n #[test]\n fn test_order_id_from_string() {\n let id = OrderId::new(\"test-order-123\");\n assert_eq!(id.as_str(), \"test-order-123\");\n }\n }\n\n mod order_tests {\n use super::*;\n\n #[test]\n fn test_limit_order_creation() {\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n let qty = Quantity::from_lots(10);\n let order = Order::limit(\"AAPL\", OrderSide::Buy, qty, price);\n\n assert_eq!(order.instrument(), \"AAPL\");\n assert_eq!(order.side(), OrderSide::Buy);\n assert_eq!(order.order_type(), OrderType::Limit);\n assert_eq!(order.status(), OrderStatus::Pending);\n }\n\n #[test]\n fn test_market_order_creation() {\n let qty = Quantity::from_lots(5);\n let order = Order::market(\"BTC/USDT\", OrderSide::Sell, qty);\n\n assert_eq!(order.instrument(), \"BTC/USDT\");\n assert_eq!(order.side(), OrderSide::Sell);\n assert_eq!(order.order_type(), OrderType::Market);\n assert!(order.price().is_none());\n }\n\n #[test]\n fn test_order_fill() {\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n let qty = Quantity::from_lots(10);\n let mut order = Order::limit(\"AAPL\", OrderSide::Buy, qty, price);\n\n order.submit();\n assert_eq!(order.status(), OrderStatus::Submitted);\n\n order.fill(Quantity::from_lots(5));\n assert_eq!(order.status(), OrderStatus::PartiallyFilled);\n assert_eq!(order.filled_quantity().as_lots(), 5);\n assert_eq!(order.remaining_quantity().as_lots(), 5);\n\n order.fill(Quantity::from_lots(5));\n assert_eq!(order.status(), OrderStatus::Filled);\n assert_eq!(order.remaining_quantity().as_lots(), 0);\n }\n\n #[test]\n fn test_order_cancel() {\n let qty = Quantity::from_lots(10);\n let mut order = Order::market(\"AAPL\", OrderSide::Buy, qty);\n\n order.submit();\n order.cancel();\n\n assert_eq!(order.status(), OrderStatus::Cancelled);\n }\n\n #[test]\n fn test_status_is_terminal() {\n assert!(OrderStatus::Filled.is_terminal());\n assert!(OrderStatus::Cancelled.is_terminal());\n assert!(OrderStatus::Rejected.is_terminal());\n assert!(!OrderStatus::Pending.is_terminal());\n assert!(!OrderStatus::Submitted.is_terminal());\n }\n }\n}\n",
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"content": "//! Order book types for market data.\n\nuse super::{Price, Quantity};\nuse serde::{Deserialize, Serialize};\nuse std::cmp::Ordering;\n\n/// A single entry in the order book.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct OrderBookEntry {\n price: Price,\n quantity: Quantity,\n}\n\nimpl OrderBookEntry {\n /// Creates a new order book entry.\n #[must_use]\n pub fn new(price: Price, quantity: Quantity) -> Self {\n Self { price, quantity }\n }\n\n /// Returns the price.\n #[must_use]\n pub fn price(&self) -> &Price {\n &self.price\n }\n\n /// Returns the quantity.\n #[must_use]\n pub fn quantity(&self) -> Quantity {\n self.quantity\n }\n}\n\n/// A price level in the order book (aggregated entries at same price).\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct OrderBookLevel {\n price: Price,\n total_quantity: Quantity,\n order_count: u32,\n}\n\nimpl OrderBookLevel {\n /// Creates a new order book level.\n #[must_use]\n pub fn new(price: Price, total_quantity: Quantity, order_count: u32) -> Self {\n Self {\n price,\n total_quantity,\n order_count,\n }\n }\n\n /// Returns the price.\n #[must_use]\n pub fn price(&self) -> &Price {\n &self.price\n }\n\n /// Returns the total quantity at this level.\n #[must_use]\n pub fn total_quantity(&self) -> Quantity {\n self.total_quantity\n }\n\n /// Returns the number of orders at this level.\n #[must_use]\n pub fn order_count(&self) -> u32 {\n self.order_count\n }\n}\n\n/// Represents a snapshot of the order book.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct OrderBook {\n instrument: String,\n bids: Vec<OrderBookLevel>,\n asks: Vec<OrderBookLevel>,\n timestamp: chrono::DateTime<chrono::Utc>,\n}\n\nimpl OrderBook {\n /// Creates a new order book.\n #[must_use]\n pub fn new(instrument: impl Into<String>) -> Self {\n Self {\n instrument: instrument.into(),\n bids: Vec::new(),\n asks: Vec::new(),\n timestamp: chrono::Utc::now(),\n }\n }\n\n /// Creates an order book with given bids and asks.\n #[must_use]\n pub fn with_levels(\n instrument: impl Into<String>,\n bids: Vec<OrderBookLevel>,\n asks: Vec<OrderBookLevel>,\n ) -> Self {\n let mut book = Self {\n instrument: instrument.into(),\n bids,\n asks,\n timestamp: chrono::Utc::now(),\n };\n book.sort_levels();\n book\n }\n\n /// Returns the instrument.\n #[must_use]\n pub fn instrument(&self) -> &str {\n &self.instrument\n }\n\n /// Returns the bid levels (buy orders), sorted by price descending.\n #[must_use]\n pub fn bids(&self) -> &[OrderBookLevel] {\n &self.bids\n }\n\n /// Returns the ask levels (sell orders), sorted by price ascending.\n #[must_use]\n pub fn asks(&self) -> &[OrderBookLevel] {\n &self.asks\n }\n\n /// Returns the timestamp.\n #[must_use]\n pub fn timestamp(&self) -> chrono::DateTime<chrono::Utc> {\n self.timestamp\n }\n\n /// Returns the best bid (highest buy price).\n #[must_use]\n pub fn best_bid(&self) -> Option<&OrderBookLevel> {\n self.bids.first()\n }\n\n /// Returns the best ask (lowest sell price).\n #[must_use]\n pub fn best_ask(&self) -> Option<&OrderBookLevel> {\n self.asks.first()\n }\n\n /// Calculates the spread (difference between best ask and best bid).\n #[must_use]\n pub fn spread(&self) -> Option<rust_decimal::Decimal> {\n match (self.best_bid(), self.best_ask()) {\n (Some(bid), Some(ask)) => ask.price().difference(bid.price()).ok(),\n _ => None,\n }\n }\n\n /// Returns the mid-price.\n #[must_use]\n pub fn mid_price(&self) -> Option<rust_decimal::Decimal> {\n match (self.best_bid(), self.best_ask()) {\n (Some(bid), Some(ask)) => {\n Some((bid.price().value() + ask.price().value()) / rust_decimal::Decimal::from(2))\n }\n _ => None,\n }\n }\n\n /// Adds a bid level.\n pub fn add_bid(&mut self, level: OrderBookLevel) {\n self.bids.push(level);\n self.sort_levels();\n }\n\n /// Adds an ask level.\n pub fn add_ask(&mut self, level: OrderBookLevel) {\n self.asks.push(level);\n self.sort_levels();\n }\n\n /// Sets the bids.\n pub fn set_bids(&mut self, bids: Vec<OrderBookLevel>) {\n self.bids = bids;\n self.sort_levels();\n }\n\n /// Sets the asks.\n pub fn set_asks(&mut self, asks: Vec<OrderBookLevel>) {\n self.asks = asks;\n self.sort_levels();\n }\n\n /// Updates the timestamp.\n pub fn update_timestamp(&mut self) {\n self.timestamp = chrono::Utc::now();\n }\n\n /// Sorts the levels: bids descending by price, asks ascending by price.\n fn sort_levels(&mut self) {\n // Bids: highest price first\n self.bids.sort_by(|a, b| {\n b.price()\n .value()\n .partial_cmp(&a.price().value())\n .unwrap_or(Ordering::Equal)\n });\n // Asks: lowest price first\n self.asks.sort_by(|a, b| {\n a.price()\n .value()\n .partial_cmp(&b.price().value())\n .unwrap_or(Ordering::Equal)\n });\n }\n\n /// Gets total quantity available at bids up to a given depth.\n #[must_use]\n pub fn bid_depth(&self, levels: usize) -> Quantity {\n self.bids\n .iter()\n .take(levels)\n .fold(Quantity::zero(), |acc, level| acc.add(level.total_quantity()))\n }\n\n /// Gets total quantity available at asks up to a given depth.\n #[must_use]\n pub fn ask_depth(&self, levels: usize) -> Quantity {\n self.asks\n .iter()\n .take(levels)\n .fold(Quantity::zero(), |acc, level| acc.add(level.total_quantity()))\n }\n\n /// Checks if the order book has sufficient liquidity for a given quantity.\n #[must_use]\n pub fn has_liquidity(&self, side: super::OrderSide, quantity: Quantity) -> bool {\n match side {\n super::OrderSide::Buy => {\n self.asks\n .iter()\n .fold(Quantity::zero(), |acc, level| acc.add(level.total_quantity()))\n >= quantity\n }\n super::OrderSide::Sell => {\n self.bids\n .iter()\n .fold(Quantity::zero(), |acc, level| acc.add(level.total_quantity()))\n >= quantity\n }\n }\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n use crate::types::Currency;\n\n fn create_test_order_book() -> OrderBook {\n let bids = vec![\n OrderBookLevel::new(\n Price::from_f64(99.0, Currency::usd()).unwrap(),\n Quantity::from_lots(100),\n 5,\n ),\n OrderBookLevel::new(\n Price::from_f64(98.0, Currency::usd()).unwrap(),\n Quantity::from_lots(200),\n 10,\n ),\n ];\n\n let asks = vec![\n OrderBookLevel::new(\n Price::from_f64(101.0, Currency::usd()).unwrap(),\n Quantity::from_lots(150),\n 7,\n ),\n OrderBookLevel::new(\n Price::from_f64(102.0, Currency::usd()).unwrap(),\n Quantity::from_lots(250),\n 12,\n ),\n ];\n\n OrderBook::with_levels(\"TEST\", bids, asks)\n }\n\n #[test]\n fn test_order_book_creation() {\n let book = create_test_order_book();\n assert_eq!(book.instrument(), \"TEST\");\n assert_eq!(book.bids().len(), 2);\n assert_eq!(book.asks().len(), 2);\n }\n\n #[test]\n fn test_best_bid_ask() {\n let book = create_test_order_book();\n\n let best_bid = book.best_bid().unwrap();\n assert_eq!(best_bid.price().value(), rust_decimal::Decimal::from(99));\n\n let best_ask = book.best_ask().unwrap();\n assert_eq!(best_ask.price().value(), rust_decimal::Decimal::from(101));\n }\n\n #[test]\n fn test_spread() {\n let book = create_test_order_book();\n let spread = book.spread().unwrap();\n assert_eq!(spread, rust_decimal::Decimal::from(2)); // 101 - 99 = 2\n }\n\n #[test]\n fn test_mid_price() {\n let book = create_test_order_book();\n let mid = book.mid_price().unwrap();\n assert_eq!(mid, rust_decimal::Decimal::from(100)); // (99 + 101) / 2 = 100\n }\n\n #[test]\n fn test_bid_depth() {\n let book = create_test_order_book();\n assert_eq!(book.bid_depth(1).as_lots(), 100);\n assert_eq!(book.bid_depth(2).as_lots(), 300);\n }\n\n #[test]\n fn test_ask_depth() {\n let book = create_test_order_book();\n assert_eq!(book.ask_depth(1).as_lots(), 150);\n assert_eq!(book.ask_depth(2).as_lots(), 400);\n }\n\n #[test]\n fn test_has_liquidity() {\n let book = create_test_order_book();\n use crate::types::OrderSide;\n\n // Should have liquidity for buying 100 lots\n assert!(book.has_liquidity(OrderSide::Buy, Quantity::from_lots(100)));\n // Should not have liquidity for buying 500 lots (only 400 available)\n assert!(!book.has_liquidity(OrderSide::Buy, Quantity::from_lots(500)));\n\n // Should have liquidity for selling 200 lots\n assert!(book.has_liquidity(OrderSide::Sell, Quantity::from_lots(200)));\n // Should not have liquidity for selling 400 lots (only 300 available)\n assert!(!book.has_liquidity(OrderSide::Sell, Quantity::from_lots(400)));\n }\n}\n"
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"content": "//! Order book types for market data.\n\nuse super::{Price, Quantity};\nuse serde::{Deserialize, Serialize};\nuse std::cmp::Ordering;\n\n/// A single entry in the order book.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct OrderBookEntry {\n price: Price,\n quantity: Quantity,\n}\n\nimpl OrderBookEntry {\n /// Creates a new order book entry.\n #[must_use]\n pub fn new(price: Price, quantity: Quantity) -> Self {\n Self { price, quantity }\n }\n\n /// Returns the price.\n #[must_use]\n pub fn price(&self) -> &Price {\n &self.price\n }\n\n /// Returns the quantity.\n #[must_use]\n pub fn quantity(&self) -> Quantity {\n self.quantity\n }\n}\n\n/// A price level in the order book (aggregated entries at same price).\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct OrderBookLevel {\n price: Price,\n total_quantity: Quantity,\n order_count: u32,\n}\n\nimpl OrderBookLevel {\n /// Creates a new order book level.\n #[must_use]\n pub fn new(price: Price, total_quantity: Quantity, order_count: u32) -> Self {\n Self {\n price,\n total_quantity,\n order_count,\n }\n }\n\n /// Returns the price.\n #[must_use]\n pub fn price(&self) -> &Price {\n &self.price\n }\n\n /// Returns the total quantity at this level.\n #[must_use]\n pub fn total_quantity(&self) -> Quantity {\n self.total_quantity\n }\n\n /// Returns the number of orders at this level.\n #[must_use]\n pub fn order_count(&self) -> u32 {\n self.order_count\n }\n}\n\n/// Represents a snapshot of the order book.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct OrderBook {\n instrument: String,\n bids: Vec<OrderBookLevel>,\n asks: Vec<OrderBookLevel>,\n timestamp: chrono::DateTime<chrono::Utc>,\n}\n\nimpl OrderBook {\n /// Creates a new order book.\n #[must_use]\n pub fn new(instrument: impl Into<String>) -> Self {\n Self {\n instrument: instrument.into(),\n bids: Vec::new(),\n asks: Vec::new(),\n timestamp: chrono::Utc::now(),\n }\n }\n\n /// Creates an order book with given bids and asks.\n #[must_use]\n pub fn with_levels(\n instrument: impl Into<String>,\n bids: Vec<OrderBookLevel>,\n asks: Vec<OrderBookLevel>,\n ) -> Self {\n let mut book = Self {\n instrument: instrument.into(),\n bids,\n asks,\n timestamp: chrono::Utc::now(),\n };\n book.sort_levels();\n book\n }\n\n /// Returns the instrument.\n #[must_use]\n pub fn instrument(&self) -> &str {\n &self.instrument\n }\n\n /// Returns the bid levels (buy orders), sorted by price descending.\n #[must_use]\n pub fn bids(&self) -> &[OrderBookLevel] {\n &self.bids\n }\n\n /// Returns the ask levels (sell orders), sorted by price ascending.\n #[must_use]\n pub fn asks(&self) -> &[OrderBookLevel] {\n &self.asks\n }\n\n /// Returns the timestamp.\n #[must_use]\n pub fn timestamp(&self) -> chrono::DateTime<chrono::Utc> {\n self.timestamp\n }\n\n /// Returns the best bid (highest buy price).\n #[must_use]\n pub fn best_bid(&self) -> Option<&OrderBookLevel> {\n self.bids.first()\n }\n\n /// Returns the best ask (lowest sell price).\n #[must_use]\n pub fn best_ask(&self) -> Option<&OrderBookLevel> {\n self.asks.first()\n }\n\n /// Calculates the spread (difference between best ask and best bid).\n #[must_use]\n pub fn spread(&self) -> Option<rust_decimal::Decimal> {\n match (self.best_bid(), self.best_ask()) {\n (Some(bid), Some(ask)) => ask.price().difference(bid.price()).ok(),\n _ => None,\n }\n }\n\n /// Returns the mid-price.\n #[must_use]\n pub fn mid_price(&self) -> Option<rust_decimal::Decimal> {\n match (self.best_bid(), self.best_ask()) {\n (Some(bid), Some(ask)) => {\n Some((bid.price().value() + ask.price().value()) / rust_decimal::Decimal::from(2))\n }\n _ => None,\n }\n }\n\n /// Adds a bid level.\n pub fn add_bid(&mut self, level: OrderBookLevel) {\n self.bids.push(level);\n self.sort_levels();\n }\n\n /// Adds an ask level.\n pub fn add_ask(&mut self, level: OrderBookLevel) {\n self.asks.push(level);\n self.sort_levels();\n }\n\n /// Sets the bids.\n pub fn set_bids(&mut self, bids: Vec<OrderBookLevel>) {\n self.bids = bids;\n self.sort_levels();\n }\n\n /// Sets the asks.\n pub fn set_asks(&mut self, asks: Vec<OrderBookLevel>) {\n self.asks = asks;\n self.sort_levels();\n }\n\n /// Updates the timestamp.\n pub fn update_timestamp(&mut self) {\n self.timestamp = chrono::Utc::now();\n }\n\n /// Sorts the levels: bids descending by price, asks ascending by price.\n fn sort_levels(&mut self) {\n // Bids: highest price first\n self.bids.sort_by(|a, b| {\n b.price()\n .value()\n .partial_cmp(&a.price().value())\n .unwrap_or(Ordering::Equal)\n });\n // Asks: lowest price first\n self.asks.sort_by(|a, b| {\n a.price()\n .value()\n .partial_cmp(&b.price().value())\n .unwrap_or(Ordering::Equal)\n });\n }\n\n /// Gets total quantity available at bids up to a given depth.\n #[must_use]\n pub fn bid_depth(&self, levels: usize) -> Quantity {\n self.bids\n .iter()\n .take(levels)\n .fold(Quantity::zero(), |acc, level| acc.add(level.total_quantity()))\n }\n\n /// Gets total quantity available at asks up to a given depth.\n #[must_use]\n pub fn ask_depth(&self, levels: usize) -> Quantity {\n self.asks\n .iter()\n .take(levels)\n .fold(Quantity::zero(), |acc, level| acc.add(level.total_quantity()))\n }\n\n /// Checks if the order book has sufficient liquidity for a given quantity.\n #[must_use]\n pub fn has_liquidity(&self, side: super::OrderSide, quantity: Quantity) -> bool {\n match side {\n super::OrderSide::Buy => {\n self.asks\n .iter()\n .fold(Quantity::zero(), |acc, level| acc.add(level.total_quantity()))\n >= quantity\n }\n super::OrderSide::Sell => {\n self.bids\n .iter()\n .fold(Quantity::zero(), |acc, level| acc.add(level.total_quantity()))\n >= quantity\n }\n }\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n use crate::types::Currency;\n\n fn create_test_order_book() -> OrderBook {\n let bids = vec![\n OrderBookLevel::new(\n Price::from_f64(99.0, Currency::usd()).unwrap(),\n Quantity::from_lots(100),\n 5,\n ),\n OrderBookLevel::new(\n Price::from_f64(98.0, Currency::usd()).unwrap(),\n Quantity::from_lots(200),\n 10,\n ),\n ];\n\n let asks = vec![\n OrderBookLevel::new(\n Price::from_f64(101.0, Currency::usd()).unwrap(),\n Quantity::from_lots(150),\n 7,\n ),\n OrderBookLevel::new(\n Price::from_f64(102.0, Currency::usd()).unwrap(),\n Quantity::from_lots(250),\n 12,\n ),\n ];\n\n OrderBook::with_levels(\"TEST\", bids, asks)\n }\n\n #[test]\n fn test_order_book_creation() {\n let book = create_test_order_book();\n assert_eq!(book.instrument(), \"TEST\");\n assert_eq!(book.bids().len(), 2);\n assert_eq!(book.asks().len(), 2);\n }\n\n #[test]\n fn test_best_bid_ask() {\n let book = create_test_order_book();\n\n let best_bid = book.best_bid().unwrap();\n assert_eq!(best_bid.price().value(), rust_decimal::Decimal::from(99));\n\n let best_ask = book.best_ask().unwrap();\n assert_eq!(best_ask.price().value(), rust_decimal::Decimal::from(101));\n }\n\n #[test]\n fn test_spread() {\n let book = create_test_order_book();\n let spread = book.spread().unwrap();\n assert_eq!(spread, rust_decimal::Decimal::from(2)); // 101 - 99 = 2\n }\n\n #[test]\n fn test_mid_price() {\n let book = create_test_order_book();\n let mid = book.mid_price().unwrap();\n assert_eq!(mid, rust_decimal::Decimal::from(100)); // (99 + 101) / 2 = 100\n }\n\n #[test]\n fn test_bid_depth() {\n let book = create_test_order_book();\n assert_eq!(book.bid_depth(1).as_lots(), 100);\n assert_eq!(book.bid_depth(2).as_lots(), 300);\n }\n\n #[test]\n fn test_ask_depth() {\n let book = create_test_order_book();\n assert_eq!(book.ask_depth(1).as_lots(), 150);\n assert_eq!(book.ask_depth(2).as_lots(), 400);\n }\n\n #[test]\n fn test_has_liquidity() {\n let book = create_test_order_book();\n use crate::types::OrderSide;\n\n // Should have liquidity for buying 100 lots\n assert!(book.has_liquidity(OrderSide::Buy, Quantity::from_lots(100)));\n // Should not have liquidity for buying 500 lots (only 400 available)\n assert!(!book.has_liquidity(OrderSide::Buy, Quantity::from_lots(500)));\n\n // Should have liquidity for selling 200 lots\n assert!(book.has_liquidity(OrderSide::Sell, Quantity::from_lots(200)));\n // Should not have liquidity for selling 400 lots (only 300 available)\n assert!(!book.has_liquidity(OrderSide::Sell, Quantity::from_lots(400)));\n }\n}\n",
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"content": "//! Position types for tracking holdings.\n\nuse super::{Currency, Money, Price, Quantity};\nuse rust_decimal::Decimal;\nuse serde::{Deserialize, Serialize};\n\n/// Represents a position in an instrument.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct Position {\n instrument: String,\n quantity: Quantity,\n average_price: Price,\n currency: Currency,\n}\n\nimpl Position {\n /// Creates a new position.\n #[must_use]\n pub fn new(instrument: impl Into<String>, quantity: Quantity, average_price: Price) -> Self {\n let currency = average_price.currency().clone();\n Self {\n instrument: instrument.into(),\n quantity,\n average_price,\n currency,\n }\n }\n\n /// Creates an empty position for an instrument.\n #[must_use]\n pub fn empty(instrument: impl Into<String>, currency: Currency) -> Self {\n Self {\n instrument: instrument.into(),\n quantity: Quantity::zero(),\n average_price: Price::new(Decimal::ZERO, currency.clone()).unwrap_or_else(|_| {\n // This should never fail with ZERO\n panic!(\"Failed to create zero price\")\n }),\n currency,\n }\n }\n\n /// Returns the instrument.\n #[must_use]\n pub fn instrument(&self) -> &str {\n &self.instrument\n }\n\n /// Returns the quantity.\n #[must_use]\n pub fn quantity(&self) -> Quantity {\n self.quantity\n }\n\n /// Returns the average price.\n #[must_use]\n pub fn average_price(&self) -> &Price {\n &self.average_price\n }\n\n /// Returns the currency.\n #[must_use]\n pub fn currency(&self) -> &Currency {\n &self.currency\n }\n\n /// Checks if the position is empty.\n #[must_use]\n pub fn is_empty(&self) -> bool {\n self.quantity.is_zero()\n }\n\n /// Returns the total cost basis.\n #[must_use]\n pub fn cost_basis(&self) -> Money {\n Money::new(\n self.average_price.value() * self.quantity.value(),\n self.currency.clone(),\n )\n }\n\n /// Calculates unrealized profit/loss at a given current price.\n #[must_use]\n pub fn unrealized_pnl(&self, current_price: &Price) -> Money {\n if self.quantity.is_zero() {\n return Money::zero(self.currency.clone());\n }\n\n let current_value = current_price.value() * self.quantity.value();\n let cost = self.average_price.value() * self.quantity.value();\n Money::new(current_value - cost, self.currency.clone())\n }\n\n /// Calculates unrealized profit/loss percentage.\n #[must_use]\n pub fn unrealized_pnl_percent(&self, current_price: &Price) -> Decimal {\n if self.average_price.value().is_zero() {\n return Decimal::ZERO;\n }\n\n ((current_price.value() - self.average_price.value()) / self.average_price.value())\n * Decimal::from(100)\n }\n\n /// Adds to the position (buying more).\n pub fn add(&mut self, quantity: Quantity, price: &Price) {\n if quantity.is_zero() {\n return;\n }\n\n let current_cost = self.average_price.value() * self.quantity.value();\n let additional_cost = price.value() * quantity.value();\n let new_quantity = self.quantity.add(quantity);\n\n let new_average = if new_quantity.is_zero() {\n Decimal::ZERO\n } else {\n (current_cost + additional_cost) / new_quantity.value()\n };\n\n self.quantity = new_quantity;\n self.average_price = Price::new(new_average, self.currency.clone())\n .unwrap_or_else(|_| self.average_price.clone());\n }\n\n /// Reduces the position (selling).\n pub fn reduce(&mut self, quantity: Quantity) {\n self.quantity = self.quantity.subtract(quantity);\n\n if self.quantity.is_zero() {\n self.average_price = Price::new(Decimal::ZERO, self.currency.clone())\n .unwrap_or_else(|_| self.average_price.clone());\n }\n }\n\n /// Calculates the market value at a given price.\n #[must_use]\n pub fn market_value(&self, current_price: &Price) -> Money {\n Money::new(\n current_price.value() * self.quantity.value(),\n self.currency.clone(),\n )\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n fn create_test_position() -> Position {\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n Position::new(\"AAPL\", Quantity::from_lots(10), price)\n }\n\n #[test]\n fn test_position_creation() {\n let pos = create_test_position();\n assert_eq!(pos.instrument(), \"AAPL\");\n assert_eq!(pos.quantity().as_lots(), 10);\n assert_eq!(pos.average_price().value(), Decimal::from(100));\n }\n\n #[test]\n fn test_empty_position() {\n let pos = Position::empty(\"AAPL\", Currency::usd());\n assert!(pos.is_empty());\n assert_eq!(pos.quantity().as_lots(), 0);\n }\n\n #[test]\n fn test_cost_basis() {\n let pos = create_test_position();\n let cost = pos.cost_basis();\n assert_eq!(cost.amount(), Decimal::from(1000)); // 10 * 100\n }\n\n #[test]\n fn test_unrealized_pnl_profit() {\n let pos = create_test_position();\n let current = Price::from_f64(110.0, Currency::usd()).unwrap();\n let pnl = pos.unrealized_pnl(&current);\n assert_eq!(pnl.amount(), Decimal::from(100)); // (110 - 100) * 10\n assert!(pnl.is_positive());\n }\n\n #[test]\n fn test_unrealized_pnl_loss() {\n let pos = create_test_position();\n let current = Price::from_f64(90.0, Currency::usd()).unwrap();\n let pnl = pos.unrealized_pnl(&current);\n assert_eq!(pnl.amount(), Decimal::from(-100)); // (90 - 100) * 10\n }\n\n #[test]\n fn test_add_to_position() {\n let mut pos = create_test_position();\n let new_price = Price::from_f64(120.0, Currency::usd()).unwrap();\n pos.add(Quantity::from_lots(10), &new_price);\n\n assert_eq!(pos.quantity().as_lots(), 20);\n // New average: (10 * 100 + 10 * 120) / 20 = 110\n assert_eq!(pos.average_price().value(), Decimal::from(110));\n }\n\n #[test]\n fn test_reduce_position() {\n let mut pos = create_test_position();\n pos.reduce(Quantity::from_lots(5));\n\n assert_eq!(pos.quantity().as_lots(), 5);\n // Average price remains the same\n assert_eq!(pos.average_price().value(), Decimal::from(100));\n }\n\n #[test]\n fn test_close_position() {\n let mut pos = create_test_position();\n pos.reduce(Quantity::from_lots(10));\n\n assert!(pos.is_empty());\n }\n\n #[test]\n fn test_market_value() {\n let pos = create_test_position();\n let current = Price::from_f64(105.0, Currency::usd()).unwrap();\n let value = pos.market_value(&current);\n assert_eq!(value.amount(), Decimal::from(1050)); // 10 * 105\n }\n}\n"
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"content": "//! Position types for tracking holdings.\n\nuse super::{Currency, Money, Price, Quantity};\nuse rust_decimal::Decimal;\nuse serde::{Deserialize, Serialize};\n\n/// Represents a position in an instrument.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct Position {\n instrument: String,\n quantity: Quantity,\n average_price: Price,\n currency: Currency,\n}\n\nimpl Position {\n /// Creates a new position.\n #[must_use]\n pub fn new(instrument: impl Into<String>, quantity: Quantity, average_price: Price) -> Self {\n let currency = average_price.currency().clone();\n Self {\n instrument: instrument.into(),\n quantity,\n average_price,\n currency,\n }\n }\n\n /// Creates an empty position for an instrument.\n #[must_use]\n pub fn empty(instrument: impl Into<String>, currency: Currency) -> Self {\n Self {\n instrument: instrument.into(),\n quantity: Quantity::zero(),\n average_price: Price::new(Decimal::ZERO, currency.clone()).unwrap_or_else(|_| {\n // This should never fail with ZERO\n panic!(\"Failed to create zero price\")\n }),\n currency,\n }\n }\n\n /// Returns the instrument.\n #[must_use]\n pub fn instrument(&self) -> &str {\n &self.instrument\n }\n\n /// Returns the quantity.\n #[must_use]\n pub fn quantity(&self) -> Quantity {\n self.quantity\n }\n\n /// Returns the average price.\n #[must_use]\n pub fn average_price(&self) -> &Price {\n &self.average_price\n }\n\n /// Returns the currency.\n #[must_use]\n pub fn currency(&self) -> &Currency {\n &self.currency\n }\n\n /// Checks if the position is empty.\n #[must_use]\n pub fn is_empty(&self) -> bool {\n self.quantity.is_zero()\n }\n\n /// Returns the total cost basis.\n #[must_use]\n pub fn cost_basis(&self) -> Money {\n Money::new(\n self.average_price.value() * self.quantity.value(),\n self.currency.clone(),\n )\n }\n\n /// Calculates unrealized profit/loss at a given current price.\n #[must_use]\n pub fn unrealized_pnl(&self, current_price: &Price) -> Money {\n if self.quantity.is_zero() {\n return Money::zero(self.currency.clone());\n }\n\n let current_value = current_price.value() * self.quantity.value();\n let cost = self.average_price.value() * self.quantity.value();\n Money::new(current_value - cost, self.currency.clone())\n }\n\n /// Calculates unrealized profit/loss percentage.\n #[must_use]\n pub fn unrealized_pnl_percent(&self, current_price: &Price) -> Decimal {\n if self.average_price.value().is_zero() {\n return Decimal::ZERO;\n }\n\n ((current_price.value() - self.average_price.value()) / self.average_price.value())\n * Decimal::from(100)\n }\n\n /// Adds to the position (buying more).\n pub fn add(&mut self, quantity: Quantity, price: &Price) {\n if quantity.is_zero() {\n return;\n }\n\n let current_cost = self.average_price.value() * self.quantity.value();\n let additional_cost = price.value() * quantity.value();\n let new_quantity = self.quantity.add(quantity);\n\n let new_average = if new_quantity.is_zero() {\n Decimal::ZERO\n } else {\n (current_cost + additional_cost) / new_quantity.value()\n };\n\n self.quantity = new_quantity;\n self.average_price = Price::new(new_average, self.currency.clone())\n .unwrap_or_else(|_| self.average_price.clone());\n }\n\n /// Reduces the position (selling).\n pub fn reduce(&mut self, quantity: Quantity) {\n self.quantity = self.quantity.subtract(quantity);\n\n if self.quantity.is_zero() {\n self.average_price = Price::new(Decimal::ZERO, self.currency.clone())\n .unwrap_or_else(|_| self.average_price.clone());\n }\n }\n\n /// Calculates the market value at a given price.\n #[must_use]\n pub fn market_value(&self, current_price: &Price) -> Money {\n Money::new(\n current_price.value() * self.quantity.value(),\n self.currency.clone(),\n )\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n fn create_test_position() -> Position {\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n Position::new(\"AAPL\", Quantity::from_lots(10), price)\n }\n\n #[test]\n fn test_position_creation() {\n let pos = create_test_position();\n assert_eq!(pos.instrument(), \"AAPL\");\n assert_eq!(pos.quantity().as_lots(), 10);\n assert_eq!(pos.average_price().value(), Decimal::from(100));\n }\n\n #[test]\n fn test_empty_position() {\n let pos = Position::empty(\"AAPL\", Currency::usd());\n assert!(pos.is_empty());\n assert_eq!(pos.quantity().as_lots(), 0);\n }\n\n #[test]\n fn test_cost_basis() {\n let pos = create_test_position();\n let cost = pos.cost_basis();\n assert_eq!(cost.amount(), Decimal::from(1000)); // 10 * 100\n }\n\n #[test]\n fn test_unrealized_pnl_profit() {\n let pos = create_test_position();\n let current = Price::from_f64(110.0, Currency::usd()).unwrap();\n let pnl = pos.unrealized_pnl(&current);\n assert_eq!(pnl.amount(), Decimal::from(100)); // (110 - 100) * 10\n assert!(pnl.is_positive());\n }\n\n #[test]\n fn test_unrealized_pnl_loss() {\n let pos = create_test_position();\n let current = Price::from_f64(90.0, Currency::usd()).unwrap();\n let pnl = pos.unrealized_pnl(&current);\n assert_eq!(pnl.amount(), Decimal::from(-100)); // (90 - 100) * 10\n }\n\n #[test]\n fn test_add_to_position() {\n let mut pos = create_test_position();\n let new_price = Price::from_f64(120.0, Currency::usd()).unwrap();\n pos.add(Quantity::from_lots(10), &new_price);\n\n assert_eq!(pos.quantity().as_lots(), 20);\n // New average: (10 * 100 + 10 * 120) / 20 = 110\n assert_eq!(pos.average_price().value(), Decimal::from(110));\n }\n\n #[test]\n fn test_reduce_position() {\n let mut pos = create_test_position();\n pos.reduce(Quantity::from_lots(5));\n\n assert_eq!(pos.quantity().as_lots(), 5);\n // Average price remains the same\n assert_eq!(pos.average_price().value(), Decimal::from(100));\n }\n\n #[test]\n fn test_close_position() {\n let mut pos = create_test_position();\n pos.reduce(Quantity::from_lots(10));\n\n assert!(pos.is_empty());\n }\n\n #[test]\n fn test_market_value() {\n let pos = create_test_position();\n let current = Price::from_f64(105.0, Currency::usd()).unwrap();\n let value = pos.market_value(&current);\n assert_eq!(value.amount(), Decimal::from(1050)); // 10 * 105\n }\n}\n",
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"content": "//! Trade types for recording executed transactions.\n\nuse super::{Currency, Money, OrderId, OrderSide, Price, Quantity};\nuse chrono::{DateTime, Utc};\nuse rust_decimal::Decimal;\nuse serde::{Deserialize, Serialize};\nuse std::fmt;\nuse uuid::Uuid;\n\n/// Unique identifier for a trade.\n#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]\npub struct TradeId(String);\n\nimpl TradeId {\n /// Creates a new trade ID from a string.\n #[must_use]\n pub fn new(id: impl Into<String>) -> Self {\n Self(id.into())\n }\n\n /// Generates a new random trade ID.\n #[must_use]\n pub fn generate() -> Self {\n Self(Uuid::new_v4().to_string())\n }\n\n /// Returns the ID as a string slice.\n #[must_use]\n pub fn as_str(&self) -> &str {\n &self.0\n }\n}\n\nimpl fmt::Display for TradeId {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{}\", self.0)\n }\n}\n\n/// Represents an executed trade.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct Trade {\n id: TradeId,\n order_id: OrderId,\n instrument: String,\n side: OrderSide,\n quantity: Quantity,\n price: Price,\n commission: Money,\n executed_at: DateTime<Utc>,\n}\n\nimpl Trade {\n /// Creates a new trade.\n #[must_use]\n pub fn new(\n order_id: OrderId,\n instrument: impl Into<String>,\n side: OrderSide,\n quantity: Quantity,\n price: Price,\n commission: Money,\n ) -> Self {\n Self {\n id: TradeId::generate(),\n order_id,\n instrument: instrument.into(),\n side,\n quantity,\n price,\n commission,\n executed_at: Utc::now(),\n }\n }\n\n /// Creates a trade with a specific timestamp (for testing/simulation).\n #[must_use]\n pub fn with_timestamp(\n order_id: OrderId,\n instrument: impl Into<String>,\n side: OrderSide,\n quantity: Quantity,\n price: Price,\n commission: Money,\n executed_at: DateTime<Utc>,\n ) -> Self {\n Self {\n id: TradeId::generate(),\n order_id,\n instrument: instrument.into(),\n side,\n quantity,\n price,\n commission,\n executed_at,\n }\n }\n\n /// Returns the trade ID.\n #[must_use]\n pub fn id(&self) -> &TradeId {\n &self.id\n }\n\n /// Returns the order ID this trade belongs to.\n #[must_use]\n pub fn order_id(&self) -> &OrderId {\n &self.order_id\n }\n\n /// Returns the instrument.\n #[must_use]\n pub fn instrument(&self) -> &str {\n &self.instrument\n }\n\n /// Returns the trade side.\n #[must_use]\n pub fn side(&self) -> OrderSide {\n self.side\n }\n\n /// Returns the quantity traded.\n #[must_use]\n pub fn quantity(&self) -> Quantity {\n self.quantity\n }\n\n /// Returns the execution price.\n #[must_use]\n pub fn price(&self) -> &Price {\n &self.price\n }\n\n /// Returns the commission paid.\n #[must_use]\n pub fn commission(&self) -> &Money {\n &self.commission\n }\n\n /// Returns the execution timestamp.\n #[must_use]\n pub fn executed_at(&self) -> DateTime<Utc> {\n self.executed_at\n }\n\n /// Calculates the gross value of the trade (price * quantity).\n #[must_use]\n pub fn gross_value(&self) -> Money {\n Money::new(\n self.price.value() * self.quantity.value(),\n self.price.currency().clone(),\n )\n }\n\n /// Calculates the net value of the trade (gross value - commission for buys, + commission for sells).\n pub fn net_value(&self) -> Result<Money, super::money::MoneyError> {\n let gross = self.gross_value();\n match self.side {\n OrderSide::Buy => gross.add(&self.commission),\n OrderSide::Sell => gross.subtract(&self.commission),\n }\n }\n\n /// Checks if this is a buy trade.\n #[must_use]\n pub fn is_buy(&self) -> bool {\n self.side == OrderSide::Buy\n }\n\n /// Checks if this is a sell trade.\n #[must_use]\n pub fn is_sell(&self) -> bool {\n self.side == OrderSide::Sell\n }\n}\n\n/// A collection of trades for calculating statistics.\n#[derive(Debug, Clone, Default)]\npub struct TradeHistory {\n trades: Vec<Trade>,\n}\n\nimpl TradeHistory {\n /// Creates a new empty trade history.\n #[must_use]\n pub fn new() -> Self {\n Self { trades: Vec::new() }\n }\n\n /// Adds a trade to the history.\n pub fn add(&mut self, trade: Trade) {\n self.trades.push(trade);\n }\n\n /// Returns all trades.\n #[must_use]\n pub fn trades(&self) -> &[Trade] {\n &self.trades\n }\n\n /// Returns the number of trades.\n #[must_use]\n pub fn count(&self) -> usize {\n self.trades.len()\n }\n\n /// Returns trades for a specific instrument.\n #[must_use]\n pub fn for_instrument(&self, instrument: &str) -> Vec<&Trade> {\n self.trades\n .iter()\n .filter(|t| t.instrument() == instrument)\n .collect()\n }\n\n /// Returns all buy trades.\n #[must_use]\n pub fn buys(&self) -> Vec<&Trade> {\n self.trades.iter().filter(|t| t.is_buy()).collect()\n }\n\n /// Returns all sell trades.\n #[must_use]\n pub fn sells(&self) -> Vec<&Trade> {\n self.trades.iter().filter(|t| t.is_sell()).collect()\n }\n\n /// Calculates total commission paid.\n #[must_use]\n pub fn total_commission(&self, currency: &Currency) -> Money {\n self.trades\n .iter()\n .filter(|t| t.commission.currency() == currency)\n .fold(Money::zero(currency.clone()), |acc, t| {\n acc.add(t.commission()).unwrap_or(acc)\n })\n }\n\n /// Calculates the realized profit/loss from completed round trips.\n /// A round trip is a buy followed by a sell (or vice versa).\n #[must_use]\n pub fn realized_pnl(&self, instrument: &str, currency: &Currency) -> Decimal {\n let trades = self.for_instrument(instrument);\n let mut total_buy_cost = Decimal::ZERO;\n let mut total_buy_qty = Decimal::ZERO;\n let mut total_sell_revenue = Decimal::ZERO;\n let mut total_sell_qty = Decimal::ZERO;\n let mut total_commission = Decimal::ZERO;\n\n for trade in trades {\n if trade.price().currency() != currency {\n continue;\n }\n\n let value = trade.price().value() * trade.quantity().value();\n total_commission += trade.commission().amount();\n\n match trade.side() {\n OrderSide::Buy => {\n total_buy_cost += value;\n total_buy_qty += trade.quantity().value();\n }\n OrderSide::Sell => {\n total_sell_revenue += value;\n total_sell_qty += trade.quantity().value();\n }\n }\n }\n\n // Realized P&L is based on matched quantities\n let matched_qty = total_buy_qty.min(total_sell_qty);\n if matched_qty.is_zero() {\n return Decimal::ZERO;\n }\n\n let avg_buy_price = if total_buy_qty.is_zero() {\n Decimal::ZERO\n } else {\n total_buy_cost / total_buy_qty\n };\n\n let avg_sell_price = if total_sell_qty.is_zero() {\n Decimal::ZERO\n } else {\n total_sell_revenue / total_sell_qty\n };\n\n (avg_sell_price - avg_buy_price) * matched_qty - total_commission\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n fn create_test_trade(side: OrderSide, price: f64, quantity: u64) -> Trade {\n Trade::new(\n OrderId::generate(),\n \"AAPL\",\n side,\n Quantity::from_lots(quantity),\n Price::from_f64(price, Currency::usd()).unwrap(),\n Money::from_f64(1.0, Currency::usd()),\n )\n }\n\n mod trade_tests {\n use super::*;\n\n #[test]\n fn test_trade_creation() {\n let trade = create_test_trade(OrderSide::Buy, 100.0, 10);\n assert_eq!(trade.instrument(), \"AAPL\");\n assert_eq!(trade.side(), OrderSide::Buy);\n assert_eq!(trade.quantity().as_lots(), 10);\n }\n\n #[test]\n fn test_gross_value() {\n let trade = create_test_trade(OrderSide::Buy, 100.0, 10);\n let gross = trade.gross_value();\n assert_eq!(gross.amount(), Decimal::from(1000));\n }\n\n #[test]\n fn test_net_value_buy() {\n let trade = create_test_trade(OrderSide::Buy, 100.0, 10);\n let net = trade.net_value().unwrap();\n // Buy: gross + commission = 1000 + 1 = 1001\n assert_eq!(net.amount(), Decimal::from(1001));\n }\n\n #[test]\n fn test_net_value_sell() {\n let trade = create_test_trade(OrderSide::Sell, 100.0, 10);\n let net = trade.net_value().unwrap();\n // Sell: gross - commission = 1000 - 1 = 999\n assert_eq!(net.amount(), Decimal::from(999));\n }\n }\n\n mod trade_history_tests {\n use super::*;\n\n #[test]\n fn test_trade_history() {\n let mut history = TradeHistory::new();\n history.add(create_test_trade(OrderSide::Buy, 100.0, 10));\n history.add(create_test_trade(OrderSide::Sell, 110.0, 10));\n\n assert_eq!(history.count(), 2);\n assert_eq!(history.buys().len(), 1);\n assert_eq!(history.sells().len(), 1);\n }\n\n #[test]\n fn test_total_commission() {\n let mut history = TradeHistory::new();\n history.add(create_test_trade(OrderSide::Buy, 100.0, 10));\n history.add(create_test_trade(OrderSide::Sell, 110.0, 10));\n\n let commission = history.total_commission(&Currency::usd());\n assert_eq!(commission.amount(), Decimal::from(2)); // 1 + 1\n }\n\n #[test]\n fn test_realized_pnl() {\n let mut history = TradeHistory::new();\n history.add(create_test_trade(OrderSide::Buy, 100.0, 10));\n history.add(create_test_trade(OrderSide::Sell, 110.0, 10));\n\n let pnl = history.realized_pnl(\"AAPL\", &Currency::usd());\n // (110 - 100) * 10 - 2 (commission) = 98\n assert_eq!(pnl, Decimal::from(98));\n }\n\n #[test]\n fn test_realized_pnl_loss() {\n let mut history = TradeHistory::new();\n history.add(create_test_trade(OrderSide::Buy, 100.0, 10));\n history.add(create_test_trade(OrderSide::Sell, 95.0, 10));\n\n let pnl = history.realized_pnl(\"AAPL\", &Currency::usd());\n // (95 - 100) * 10 - 2 (commission) = -52\n assert_eq!(pnl, Decimal::from(-52));\n }\n }\n}\n"
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"content": "//! Trade types for recording executed transactions.\n\nuse super::{Currency, Money, OrderId, OrderSide, Price, Quantity};\nuse chrono::{DateTime, Utc};\nuse rust_decimal::Decimal;\nuse serde::{Deserialize, Serialize};\nuse std::fmt;\nuse uuid::Uuid;\n\n/// Unique identifier for a trade.\n#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]\npub struct TradeId(String);\n\nimpl TradeId {\n /// Creates a new trade ID from a string.\n #[must_use]\n pub fn new(id: impl Into<String>) -> Self {\n Self(id.into())\n }\n\n /// Generates a new random trade ID.\n #[must_use]\n pub fn generate() -> Self {\n Self(Uuid::new_v4().to_string())\n }\n\n /// Returns the ID as a string slice.\n #[must_use]\n pub fn as_str(&self) -> &str {\n &self.0\n }\n}\n\nimpl fmt::Display for TradeId {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{}\", self.0)\n }\n}\n\n/// Represents an executed trade.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct Trade {\n id: TradeId,\n order_id: OrderId,\n instrument: String,\n side: OrderSide,\n quantity: Quantity,\n price: Price,\n commission: Money,\n executed_at: DateTime<Utc>,\n}\n\nimpl Trade {\n /// Creates a new trade.\n #[must_use]\n pub fn new(\n order_id: OrderId,\n instrument: impl Into<String>,\n side: OrderSide,\n quantity: Quantity,\n price: Price,\n commission: Money,\n ) -> Self {\n Self {\n id: TradeId::generate(),\n order_id,\n instrument: instrument.into(),\n side,\n quantity,\n price,\n commission,\n executed_at: Utc::now(),\n }\n }\n\n /// Creates a trade with a specific timestamp (for testing/simulation).\n #[must_use]\n pub fn with_timestamp(\n order_id: OrderId,\n instrument: impl Into<String>,\n side: OrderSide,\n quantity: Quantity,\n price: Price,\n commission: Money,\n executed_at: DateTime<Utc>,\n ) -> Self {\n Self {\n id: TradeId::generate(),\n order_id,\n instrument: instrument.into(),\n side,\n quantity,\n price,\n commission,\n executed_at,\n }\n }\n\n /// Returns the trade ID.\n #[must_use]\n pub fn id(&self) -> &TradeId {\n &self.id\n }\n\n /// Returns the order ID this trade belongs to.\n #[must_use]\n pub fn order_id(&self) -> &OrderId {\n &self.order_id\n }\n\n /// Returns the instrument.\n #[must_use]\n pub fn instrument(&self) -> &str {\n &self.instrument\n }\n\n /// Returns the trade side.\n #[must_use]\n pub fn side(&self) -> OrderSide {\n self.side\n }\n\n /// Returns the quantity traded.\n #[must_use]\n pub fn quantity(&self) -> Quantity {\n self.quantity\n }\n\n /// Returns the execution price.\n #[must_use]\n pub fn price(&self) -> &Price {\n &self.price\n }\n\n /// Returns the commission paid.\n #[must_use]\n pub fn commission(&self) -> &Money {\n &self.commission\n }\n\n /// Returns the execution timestamp.\n #[must_use]\n pub fn executed_at(&self) -> DateTime<Utc> {\n self.executed_at\n }\n\n /// Calculates the gross value of the trade (price * quantity).\n #[must_use]\n pub fn gross_value(&self) -> Money {\n Money::new(\n self.price.value() * self.quantity.value(),\n self.price.currency().clone(),\n )\n }\n\n /// Calculates the net value of the trade (gross value - commission for buys, + commission for sells).\n pub fn net_value(&self) -> Result<Money, super::money::MoneyError> {\n let gross = self.gross_value();\n match self.side {\n OrderSide::Buy => gross.add(&self.commission),\n OrderSide::Sell => gross.subtract(&self.commission),\n }\n }\n\n /// Checks if this is a buy trade.\n #[must_use]\n pub fn is_buy(&self) -> bool {\n self.side == OrderSide::Buy\n }\n\n /// Checks if this is a sell trade.\n #[must_use]\n pub fn is_sell(&self) -> bool {\n self.side == OrderSide::Sell\n }\n}\n\n/// A collection of trades for calculating statistics.\n#[derive(Debug, Clone, Default)]\npub struct TradeHistory {\n trades: Vec<Trade>,\n}\n\nimpl TradeHistory {\n /// Creates a new empty trade history.\n #[must_use]\n pub fn new() -> Self {\n Self { trades: Vec::new() }\n }\n\n /// Adds a trade to the history.\n pub fn add(&mut self, trade: Trade) {\n self.trades.push(trade);\n }\n\n /// Returns all trades.\n #[must_use]\n pub fn trades(&self) -> &[Trade] {\n &self.trades\n }\n\n /// Returns the number of trades.\n #[must_use]\n pub fn count(&self) -> usize {\n self.trades.len()\n }\n\n /// Returns trades for a specific instrument.\n #[must_use]\n pub fn for_instrument(&self, instrument: &str) -> Vec<&Trade> {\n self.trades\n .iter()\n .filter(|t| t.instrument() == instrument)\n .collect()\n }\n\n /// Returns all buy trades.\n #[must_use]\n pub fn buys(&self) -> Vec<&Trade> {\n self.trades.iter().filter(|t| t.is_buy()).collect()\n }\n\n /// Returns all sell trades.\n #[must_use]\n pub fn sells(&self) -> Vec<&Trade> {\n self.trades.iter().filter(|t| t.is_sell()).collect()\n }\n\n /// Calculates total commission paid.\n #[must_use]\n pub fn total_commission(&self, currency: &Currency) -> Money {\n self.trades\n .iter()\n .filter(|t| t.commission.currency() == currency)\n .fold(Money::zero(currency.clone()), |acc, t| {\n acc.add(t.commission()).unwrap_or(acc)\n })\n }\n\n /// Calculates the realized profit/loss from completed round trips.\n /// A round trip is a buy followed by a sell (or vice versa).\n #[must_use]\n pub fn realized_pnl(&self, instrument: &str, currency: &Currency) -> Decimal {\n let trades = self.for_instrument(instrument);\n let mut total_buy_cost = Decimal::ZERO;\n let mut total_buy_qty = Decimal::ZERO;\n let mut total_sell_revenue = Decimal::ZERO;\n let mut total_sell_qty = Decimal::ZERO;\n let mut total_commission = Decimal::ZERO;\n\n for trade in trades {\n if trade.price().currency() != currency {\n continue;\n }\n\n let value = trade.price().value() * trade.quantity().value();\n total_commission += trade.commission().amount();\n\n match trade.side() {\n OrderSide::Buy => {\n total_buy_cost += value;\n total_buy_qty += trade.quantity().value();\n }\n OrderSide::Sell => {\n total_sell_revenue += value;\n total_sell_qty += trade.quantity().value();\n }\n }\n }\n\n // Realized P&L is based on matched quantities\n let matched_qty = total_buy_qty.min(total_sell_qty);\n if matched_qty.is_zero() {\n return Decimal::ZERO;\n }\n\n let avg_buy_price = if total_buy_qty.is_zero() {\n Decimal::ZERO\n } else {\n total_buy_cost / total_buy_qty\n };\n\n let avg_sell_price = if total_sell_qty.is_zero() {\n Decimal::ZERO\n } else {\n total_sell_revenue / total_sell_qty\n };\n\n (avg_sell_price - avg_buy_price) * matched_qty - total_commission\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n fn create_test_trade(side: OrderSide, price: f64, quantity: u64) -> Trade {\n Trade::new(\n OrderId::generate(),\n \"AAPL\",\n side,\n Quantity::from_lots(quantity),\n Price::from_f64(price, Currency::usd()).unwrap(),\n Money::from_f64(1.0, Currency::usd()),\n )\n }\n\n mod trade_tests {\n use super::*;\n\n #[test]\n fn test_trade_creation() {\n let trade = create_test_trade(OrderSide::Buy, 100.0, 10);\n assert_eq!(trade.instrument(), \"AAPL\");\n assert_eq!(trade.side(), OrderSide::Buy);\n assert_eq!(trade.quantity().as_lots(), 10);\n }\n\n #[test]\n fn test_gross_value() {\n let trade = create_test_trade(OrderSide::Buy, 100.0, 10);\n let gross = trade.gross_value();\n assert_eq!(gross.amount(), Decimal::from(1000));\n }\n\n #[test]\n fn test_net_value_buy() {\n let trade = create_test_trade(OrderSide::Buy, 100.0, 10);\n let net = trade.net_value().unwrap();\n // Buy: gross + commission = 1000 + 1 = 1001\n assert_eq!(net.amount(), Decimal::from(1001));\n }\n\n #[test]\n fn test_net_value_sell() {\n let trade = create_test_trade(OrderSide::Sell, 100.0, 10);\n let net = trade.net_value().unwrap();\n // Sell: gross - commission = 1000 - 1 = 999\n assert_eq!(net.amount(), Decimal::from(999));\n }\n }\n\n mod trade_history_tests {\n use super::*;\n\n #[test]\n fn test_trade_history() {\n let mut history = TradeHistory::new();\n history.add(create_test_trade(OrderSide::Buy, 100.0, 10));\n history.add(create_test_trade(OrderSide::Sell, 110.0, 10));\n\n assert_eq!(history.count(), 2);\n assert_eq!(history.buys().len(), 1);\n assert_eq!(history.sells().len(), 1);\n }\n\n #[test]\n fn test_total_commission() {\n let mut history = TradeHistory::new();\n history.add(create_test_trade(OrderSide::Buy, 100.0, 10));\n history.add(create_test_trade(OrderSide::Sell, 110.0, 10));\n\n let commission = history.total_commission(&Currency::usd());\n assert_eq!(commission.amount(), Decimal::from(2)); // 1 + 1\n }\n\n #[test]\n fn test_realized_pnl() {\n let mut history = TradeHistory::new();\n history.add(create_test_trade(OrderSide::Buy, 100.0, 10));\n history.add(create_test_trade(OrderSide::Sell, 110.0, 10));\n\n let pnl = history.realized_pnl(\"AAPL\", &Currency::usd());\n // (110 - 100) * 10 - 2 (commission) = 98\n assert_eq!(pnl, Decimal::from(98));\n }\n\n #[test]\n fn test_realized_pnl_loss() {\n let mut history = TradeHistory::new();\n history.add(create_test_trade(OrderSide::Buy, 100.0, 10));\n history.add(create_test_trade(OrderSide::Sell, 95.0, 10));\n\n let pnl = history.realized_pnl(\"AAPL\", &Currency::usd());\n // (95 - 100) * 10 - 2 (commission) = -52\n assert_eq!(pnl, Decimal::from(-52));\n }\n }\n}\n",
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"content": "//! Exchange error types.\n\nuse crate::types::OrderId;\nuse thiserror::Error;\n\n/// Errors that can occur when interacting with an exchange.\n#[derive(Debug, Error)]\npub enum ExchangeError {\n /// Connection to the exchange failed.\n #[error(\"Failed to connect to exchange: {0}\")]\n ConnectionFailed(String),\n\n /// Authentication with the exchange failed.\n #[error(\"Authentication failed: {0}\")]\n AuthenticationFailed(String),\n\n /// The requested instrument was not found.\n #[error(\"Instrument not found: {0}\")]\n InstrumentNotFound(String),\n\n /// The order was rejected by the exchange.\n #[error(\"Order rejected: {0}\")]\n OrderRejected(String),\n\n /// The order was not found.\n #[error(\"Order not found: {0}\")]\n OrderNotFound(OrderId),\n\n /// Insufficient funds to execute the order.\n #[error(\"Insufficient funds: required {required}, available {available}\")]\n InsufficientFunds { required: String, available: String },\n\n /// Insufficient position to sell.\n #[error(\"Insufficient position: required {required}, available {available}\")]\n Insuf**********ition { required: String, available: String },\n\n /// The market is closed.\n #[error(\"Market is closed\")]\n MarketClosed,\n\n /// The trading session is outside allowed hours.\n #[error(\"Outside trading hours\")]\n OutsideTradingHours,\n\n /// Rate limit exceeded.\n #[error(\"Rate limit exceeded, retry after {retry_after_ms}ms\")]\n RateLimitExceeded { retry_after_ms: u64 },\n\n /// Network error occurred.\n #[error(\"Network error: {0}\")]\n NetworkError(String),\n\n /// Timeout waiting for response.\n #[error(\"Request timed out\")]\n Timeout,\n\n /// Invalid request parameters.\n #[error(\"Invalid request: {0}\")]\n InvalidRequest(String),\n\n /// Internal exchange error.\n #[error(\"Internal exchange error: {0}\")]\n InternalError(String),\n\n /// Generic API error with code.\n #[error(\"API error {code}: {message}\")]\n ApiError { code: i32, message: String },\n\n /// Configuration error.\n #[error(\"Configuration error: {0}\")]\n ConfigurationError(String),\n}\n\nimpl ExchangeError {\n /// Returns true if the error is transient and the operation can be retried.\n #[must_use]\n pub fn is_retryable(&self) -> bool {\n matches!(\n self,\n Self::ConnectionFailed(_)\n | Self::NetworkError(_)\n | Self::Timeout\n | Self::RateLimitExceeded { .. }\n )\n }\n\n /// Returns true if the error is related to authentication.\n #[must_use]\n pub fn is_auth_error(&self) -> bool {\n matches!(self, Self::AuthenticationFailed(_))\n }\n\n /// Returns true if the error is related to insufficient resources.\n #[must_use]\n pub fn is_insufficient_resources(&self) -> bool {\n matches!(\n self,\n Self::InsufficientFunds { .. } | Self::Insuf**********ition { .. }\n )\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_is_retryable() {\n assert!(ExchangeError::ConnectionFailed(\"test\".to_string()).is_retryable());\n assert!(ExchangeError::Timeout.is_retryable());\n assert!(ExchangeError::RateLimitExceeded { retry_after_ms: 1000 }.is_retryable());\n assert!(!ExchangeError::OrderRejected(\"test\".to_string()).is_retryable());\n }\n\n #[test]\n fn test_is_auth_error() {\n assert!(ExchangeError::AuthenticationFailed(\"test\".to_string()).is_auth_error());\n assert!(!ExchangeError::ConnectionFailed(\"test\".to_string()).is_auth_error());\n }\n\n #[test]\n fn test_is_insufficient_resources() {\n assert!(ExchangeError::InsufficientFunds {\n required: \"100\".to_string(),\n available: \"50\".to_string()\n }\n .is_insufficient_resources());\n assert!(ExchangeError::Insuf**********ition {\n required: \"10\".to_string(),\n available: \"5\".to_string()\n }\n .is_insufficient_resources());\n assert!(!ExchangeError::Timeout.is_insufficient_resources());\n }\n}\n"
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"content": "//! Market simulator for backtesting and testing trading strategies.\n//!\n//! This module provides a simulated exchange that can be used for:\n//! - Unit testing trading logic without real API calls\n//! - Backtesting strategies against historical data\n//! - Integration testing the full trading system\n//! - Evaluating strategy performance\n\nmod engine;\nmod market;\n\npub use engine::SimulatorEngine;\npub use market::{MarketCondition, SimulatedMarket};\n"
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"content": "//! Simulated market for testing.\n\nuse crate::types::{Currency, OrderBookLevel, Price, Quantity};\nuse rust_decimal::Decimal;\nuse serde::{Deserialize, Serialize};\n\n/// Market conditions that affect price movements.\n#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]\npub enum MarketCondition {\n /// Prices trending upward.\n Bullish,\n /// Prices trending downward.\n Bearish,\n /// Prices moving sideways with low volatility.\n Ranging,\n /// High volatility with unpredictable movements.\n Volatile,\n}\n\nimpl Default for MarketCondition {\n fn default() -> Self {\n Self::Ranging\n }\n}\n\n/// Configuration for a simulated market.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct Simul***********onfig {\n /// The instrument symbol.\n pub symbol: String,\n /// The currency for prices.\n pub currency: Currency,\n /// Initial price.\n pub initial_price: Decimal,\n /// Price step (tick size).\n pub price_step: Decimal,\n /// Lot size.\n pub lot_size: u64,\n /// Default spread in ticks.\n pub spread_ticks: u32,\n /// Base liquidity at each level (in lots).\n pub base_liquidity: u64,\n /// Number of order book levels.\n pub book_depth: usize,\n}\n\nimpl Default for Simul***********onfig {\n fn default() -> Self {\n Self {\n symbol: \"TEST\".to_string(),\n currency: Currency::usd(),\n initial_price: Decimal::from(100),\n price_step: Decimal::new(1, 2), // 0.01\n lot_size: 1,\n spread_ticks: 2,\n base_liquidity: 100,\n book_depth: 10,\n }\n }\n}\n\n/// A simulated market for testing trading strategies.\n#[derive(Debug, Clone)]\npub struct SimulatedMarket {\n config: SimulatedMarketConfig,\n current_mid_price: Decimal,\n condition: MarketCondition,\n volatility: Decimal,\n tick_count: u64,\n}\n\nimpl SimulatedMarket {\n /// Creates a new simulated market with the given configuration.\n #[must_use]\n pub fn new(config: SimulatedMarketConfig) -> Self {\n let initial_price = config.initial_price;\n Self {\n config,\n current_mid_price: initial_price,\n condition: MarketCondition::default(),\n volatility: Decimal::new(1, 3), // 0.001 = 0.1%\n tick_count: 0,\n }\n }\n\n /// Creates a market with default configuration.\n #[must_use]\n pub fn default_market() -> Self {\n Self::new(SimulatedMarketConfig::default())\n }\n\n /// Returns the current configuration.\n #[must_use]\n pub fn config(&self) -> &SimulatedMarketConfig {\n &self.config\n }\n\n /// Returns the symbol.\n #[must_use]\n pub fn symbol(&self) -> &str {\n &self.config.symbol\n }\n\n /// Returns the current mid price.\n #[must_use]\n pub fn mid_price(&self) -> Decimal {\n self.current_mid_price\n }\n\n /// Returns the current best bid price.\n #[must_use]\n pub fn best_bid(&self) -> Price {\n let half_spread = self.config.price_step * Decimal::from(self.config.spread_ticks / 2);\n Price::new(self.current_mid_price - half_spread, self.config.currency.clone())\n .unwrap_or_else(|_| Price::new(Decimal::ZERO, self.config.currency.clone()).unwrap())\n }\n\n /// Returns the current best ask price.\n #[must_use]\n pub fn best_ask(&self) -> Price {\n let half_spread = self.config.price_step * Decimal::from(self.config.spread_ticks / 2);\n Price::new(self.current_mid_price + half_spread, self.config.currency.clone())\n .unwrap_or_else(|_| Price::new(Decimal::ZERO, self.config.currency.clone()).unwrap())\n }\n\n /// Returns the current spread.\n #[must_use]\n pub fn spread(&self) -> Decimal {\n self.config.price_step * Decimal::from(self.config.spread_ticks)\n }\n\n /// Returns the current market condition.\n #[must_use]\n pub fn condition(&self) -> MarketCondition {\n self.condition\n }\n\n /// Sets the market condition.\n pub fn set_condition(&mut self, condition: MarketCondition) {\n self.condition = condition;\n }\n\n /// Sets the volatility (as a decimal, e.g., 0.01 for 1%).\n pub fn set_volatility(&mut self, volatility: Decimal) {\n self.volatility = volatility;\n }\n\n /// Generates bid levels for the order book.\n #[must_use]\n pub fn generate_bids(&self) -> Vec<OrderBookLevel> {\n let best_bid = self.best_bid();\n (0..self.config.book_depth)\n .map(|i| {\n let price_offset = self.config.price_step * Decimal::from(i as u32);\n let price = Price::new(\n best_bid.value() - price_offset,\n self.config.currency.clone(),\n )\n .unwrap_or(best_bid.clone());\n\n // Liquidity increases slightly at lower prices\n let liqui**********plier = Decimal::from(1) + Decimal::new(i as i64, 1);\n let quantity = Quantity::from_lots(\n (Decimal::from(self.config.base_liquidity) * liquidity_multiplier)\n .to_string()\n .parse()\n .unwrap_or(self.config.base_liquidity),\n );\n\n OrderBookLevel::new(price, quantity, (5 + i) as u32)\n })\n .collect()\n }\n\n /// Generates ask levels for the order book.\n #[must_use]\n pub fn generate_asks(&self) -> Vec<OrderBookLevel> {\n let best_ask = self.best_ask();\n (0..self.config.book_depth)\n .map(|i| {\n let price_offset = self.config.price_step * Decimal::from(i as u32);\n let price = Price::new(\n best_ask.value() + price_offset,\n self.config.currency.clone(),\n )\n .unwrap_or(best_ask.clone());\n\n // Liquidity increases slightly at higher prices\n let liqui**********plier = Decimal::from(1) + Decimal::new(i as i64, 1);\n let quantity = Quantity::from_lots(\n (Decimal::from(self.config.base_liquidity) * liquidity_multiplier)\n .to_string()\n .parse()\n .unwrap_or(self.config.base_liquidity),\n );\n\n OrderBookLevel::new(price, quantity, (5 + i) as u32)\n })\n .collect()\n }\n\n /// Advances the market by one tick, updating prices based on condition.\n pub fn tick(&mut self) {\n self.tick_count += 1;\n\n // Simulate price movement based on market condition\n let price_change = self.calculate_price_change();\n self.current_mid_price += price_change;\n\n // Ensure price doesn't go below minimum\n if self.current_mid_price < self.config.price_step {\n self.current_mid_price = self.config.price_step;\n }\n }\n\n /// Calculates the price change for this tick.\n fn calculate_price_change(&self) -> Decimal {\n // Use tick count to create deterministic but varied price movements\n let seed = self.tick_count;\n let pseudo_random = ((seed * 1103515245 + 12345) % 100) as i64 - 50;\n let random_factor = Decimal::new(pseudo_random, 2); // -0.50 to 0.50\n\n let base_change = self.current_mid_price * self.volatility * random_factor;\n\n match self.condition {\n MarketCondition::Bullish => {\n // Bias towards positive movements\n base_change + self.config.price_step * Decimal::new(3, 1) // +0.3 tick bias\n }\n MarketCondition::Bearish => {\n // Bias towards negative movements\n base_change - self.config.price_step * Decimal::new(3, 1) // -0.3 tick bias\n }\n MarketCondition::Ranging => {\n // Mean-reverting behavior\n base_change * Decimal::new(5, 1) // Reduced volatility\n }\n MarketCondition::Volatile => {\n // Amplified movements\n base_change * Decimal::from(2)\n }\n }\n }\n\n /// Moves the price by a specific amount (for testing).\n pub fn move_price(&mut self, delta: Decimal) {\n self.current_mid_price += delta;\n if self.current_mid_price < self.config.price_step {\n self.current_mid_price = self.config.price_step;\n }\n }\n\n /// Sets the price directly (for testing).\n pub fn set_price(&mut self, price: Decimal) {\n self.current_mid_price = price.max(self.config.price_step);\n }\n\n /// Returns the number of ticks processed.\n #[must_use]\n pub fn tick_count(&self) -> u64 {\n self.tick_count\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_market_creation() {\n let market = SimulatedMarket::default_market();\n assert_eq!(market.symbol(), \"TEST\");\n assert_eq!(market.mid_price(), Decimal::from(100));\n }\n\n #[test]\n fn test_best_bid_ask() {\n let market = SimulatedMarket::default_market();\n let bid = market.best_bid();\n let ask = market.best_ask();\n\n // With default spread of 2 ticks and price_step of 0.01\n // Mid = 100, spread = 0.02\n // Bid = 100 - 0.01 = 99.99\n // Ask = 100 + 0.01 = 100.01\n assert!(bid.value() < ask.value());\n assert_eq!(market.spread(), Decimal::new(2, 2)); // 0.02\n }\n\n #[test]\n fn test_generate_order_book() {\n let market = SimulatedMarket::default_market();\n let bids = market.generate_bids();\n let asks = market.generate_asks();\n\n assert_eq!(bids.len(), 10);\n assert_eq!(asks.len(), 10);\n\n // Bids should be descending\n for i in 1..bids.len() {\n assert!(bids[i - 1].price().value() > bids[i].price().value());\n }\n\n // Asks should be ascending\n for i in 1..asks.len() {\n assert!(asks[i - 1].price().value() < asks[i].price().value());\n }\n }\n\n #[test]\n fn test_market_tick() {\n let mut market = SimulatedMarket::default_market();\n let initial_price = market.mid_price();\n\n for _ in 0..100 {\n market.tick();\n }\n\n // Price should have changed after many ticks\n assert_ne!(market.mid_price(), initial_price);\n assert_eq!(market.tick_count(), 100);\n }\n\n #[test]\n fn test_market_conditions() {\n let config = Simul***********onfig {\n initial_price: Decimal::from(100),\n ..Default::default()\n };\n\n // Test bullish market\n let mut bullish_market = SimulatedMarket::new(config.clone());\n bullish_market.set_condition(MarketCondition::Bullish);\n bullish_market.set_volatility(Decimal::new(5, 3)); // 0.5%\n\n let initial = bullish_market.mid_price();\n for _ in 0..100 {\n bullish_market.tick();\n }\n\n // Bullish market should generally trend up\n // (though individual runs may vary due to random component)\n let bullish_final = bullish_market.mid_price();\n\n // Test bearish market\n let mut bearish_market = SimulatedMarket::new(config);\n bearish_market.set_condition(MarketCondition::Bearish);\n bearish_market.set_volatility(Decimal::new(5, 3));\n\n for _ in 0..100 {\n bearish_market.tick();\n }\n\n let bearish_final = bearish_market.mid_price();\n\n // Bullish should end higher than bearish (statistically)\n // This is a probabilistic test, but with 100 ticks and bias, should be reliable\n assert!(\n bullish_final >= initial || bearish_final <= initial,\n \"At least one market should show expected trend\"\n );\n }\n\n #[test]\n fn test_manual_price_control() {\n let mut market = SimulatedMarket::default_market();\n\n market.set_price(Decimal::from(150));\n assert_eq!(market.mid_price(), Decimal::from(150));\n\n market.move_price(Decimal::from(-10));\n assert_eq!(market.mid_price(), Decimal::from(140));\n\n // Price shouldn't go below minimum\n market.set_price(Decimal::ZERO);\n assert!(market.mid_price() > Decimal::ZERO);\n }\n}\n"
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"content": "//! Simulated market for testing.\n\nuse crate::types::{Currency, OrderBookLevel, Price, Quantity};\nuse rust_decimal::Decimal;\nuse serde::{Deserialize, Serialize};\n\n/// Market conditions that affect price movements.\n#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]\npub enum MarketCondition {\n /// Prices trending upward.\n Bullish,\n /// Prices trending downward.\n Bearish,\n /// Prices moving sideways with low volatility.\n Ranging,\n /// High volatility with unpredictable movements.\n Volatile,\n}\n\nimpl Default for MarketCondition {\n fn default() -> Self {\n Self::Ranging\n }\n}\n\n/// Configuration for a simulated market.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct Simul***********onfig {\n /// The instrument symbol.\n pub symbol: String,\n /// The currency for prices.\n pub currency: Currency,\n /// Initial price.\n pub initial_price: Decimal,\n /// Price step (tick size).\n pub price_step: Decimal,\n /// Lot size.\n pub lot_size: u64,\n /// Default spread in ticks.\n pub spread_ticks: u32,\n /// Base liquidity at each level (in lots).\n pub base_liquidity: u64,\n /// Number of order book levels.\n pub book_depth: usize,\n}\n\nimpl Default for Simul***********onfig {\n fn default() -> Self {\n Self {\n symbol: \"TEST\".to_string(),\n currency: Currency::usd(),\n initial_price: Decimal::from(100),\n price_step: Decimal::new(1, 2), // 0.01\n lot_size: 1,\n spread_ticks: 2,\n base_liquidity: 100,\n book_depth: 10,\n }\n }\n}\n\n/// A simulated market for testing trading strategies.\n#[derive(Debug, Clone)]\npub struct SimulatedMarket {\n config: SimulatedMarketConfig,\n current_mid_price: Decimal,\n condition: MarketCondition,\n volatility: Decimal,\n tick_count: u64,\n}\n\nimpl SimulatedMarket {\n /// Creates a new simulated market with the given configuration.\n #[must_use]\n pub fn new(config: SimulatedMarketConfig) -> Self {\n let initial_price = config.initial_price;\n Self {\n config,\n current_mid_price: initial_price,\n condition: MarketCondition::default(),\n volatility: Decimal::new(1, 3), // 0.001 = 0.1%\n tick_count: 0,\n }\n }\n\n /// Creates a market with default configuration.\n #[must_use]\n pub fn default_market() -> Self {\n Self::new(SimulatedMarketConfig::default())\n }\n\n /// Returns the current configuration.\n #[must_use]\n pub fn config(&self) -> &SimulatedMarketConfig {\n &self.config\n }\n\n /// Returns the symbol.\n #[must_use]\n pub fn symbol(&self) -> &str {\n &self.config.symbol\n }\n\n /// Returns the current mid price.\n #[must_use]\n pub fn mid_price(&self) -> Decimal {\n self.current_mid_price\n }\n\n /// Returns the current best bid price.\n #[must_use]\n pub fn best_bid(&self) -> Price {\n let half_spread = self.config.price_step * Decimal::from(self.config.spread_ticks / 2);\n Price::new(self.current_mid_price - half_spread, self.config.currency.clone())\n .unwrap_or_else(|_| Price::new(Decimal::ZERO, self.config.currency.clone()).unwrap())\n }\n\n /// Returns the current best ask price.\n #[must_use]\n pub fn best_ask(&self) -> Price {\n let half_spread = self.config.price_step * Decimal::from(self.config.spread_ticks / 2);\n Price::new(self.current_mid_price + half_spread, self.config.currency.clone())\n .unwrap_or_else(|_| Price::new(Decimal::ZERO, self.config.currency.clone()).unwrap())\n }\n\n /// Returns the current spread.\n #[must_use]\n pub fn spread(&self) -> Decimal {\n self.config.price_step * Decimal::from(self.config.spread_ticks)\n }\n\n /// Returns the current market condition.\n #[must_use]\n pub fn condition(&self) -> MarketCondition {\n self.condition\n }\n\n /// Sets the market condition.\n pub fn set_condition(&mut self, condition: MarketCondition) {\n self.condition = condition;\n }\n\n /// Sets the volatility (as a decimal, e.g., 0.01 for 1%).\n pub fn set_volatility(&mut self, volatility: Decimal) {\n self.volatility = volatility;\n }\n\n /// Generates bid levels for the order book.\n #[must_use]\n pub fn generate_bids(&self) -> Vec<OrderBookLevel> {\n let best_bid = self.best_bid();\n (0..self.config.book_depth)\n .map(|i| {\n let price_offset = self.config.price_step * Decimal::from(i as u32);\n let price = Price::new(\n best_bid.value() - price_offset,\n self.config.currency.clone(),\n )\n .unwrap_or(best_bid.clone());\n\n // Liquidity increases slightly at lower prices\n let liqui**********plier = Decimal::from(1) + Decimal::new(i as i64, 1);\n let quantity = Quantity::from_lots(\n (Decimal::from(self.config.base_liquidity) * liquidity_multiplier)\n .to_string()\n .parse()\n .unwrap_or(self.config.base_liquidity),\n );\n\n OrderBookLevel::new(price, quantity, (5 + i) as u32)\n })\n .collect()\n }\n\n /// Generates ask levels for the order book.\n #[must_use]\n pub fn generate_asks(&self) -> Vec<OrderBookLevel> {\n let best_ask = self.best_ask();\n (0..self.config.book_depth)\n .map(|i| {\n let price_offset = self.config.price_step * Decimal::from(i as u32);\n let price = Price::new(\n best_ask.value() + price_offset,\n self.config.currency.clone(),\n )\n .unwrap_or(best_ask.clone());\n\n // Liquidity increases slightly at higher prices\n let liqui**********plier = Decimal::from(1) + Decimal::new(i as i64, 1);\n let quantity = Quantity::from_lots(\n (Decimal::from(self.config.base_liquidity) * liquidity_multiplier)\n .to_string()\n .parse()\n .unwrap_or(self.config.base_liquidity),\n );\n\n OrderBookLevel::new(price, quantity, (5 + i) as u32)\n })\n .collect()\n }\n\n /// Advances the market by one tick, updating prices based on condition.\n pub fn tick(&mut self) {\n self.tick_count += 1;\n\n // Simulate price movement based on market condition\n let price_change = self.calculate_price_change();\n self.current_mid_price += price_change;\n\n // Ensure price doesn't go below minimum\n if self.current_mid_price < self.config.price_step {\n self.current_mid_price = self.config.price_step;\n }\n }\n\n /// Calculates the price change for this tick.\n fn calculate_price_change(&self) -> Decimal {\n // Use tick count to create deterministic but varied price movements\n let seed = self.tick_count;\n let pseudo_random = ((seed * 1103515245 + 12345) % 100) as i64 - 50;\n let random_factor = Decimal::new(pseudo_random, 2); // -0.50 to 0.50\n\n let base_change = self.current_mid_price * self.volatility * random_factor;\n\n match self.condition {\n MarketCondition::Bullish => {\n // Bias towards positive movements\n base_change + self.config.price_step * Decimal::new(3, 1) // +0.3 tick bias\n }\n MarketCondition::Bearish => {\n // Bias towards negative movements\n base_change - self.config.price_step * Decimal::new(3, 1) // -0.3 tick bias\n }\n MarketCondition::Ranging => {\n // Mean-reverting behavior\n base_change * Decimal::new(5, 1) // Reduced volatility\n }\n MarketCondition::Volatile => {\n // Amplified movements\n base_change * Decimal::from(2)\n }\n }\n }\n\n /// Moves the price by a specific amount (for testing).\n pub fn move_price(&mut self, delta: Decimal) {\n self.current_mid_price += delta;\n if self.current_mid_price < self.config.price_step {\n self.current_mid_price = self.config.price_step;\n }\n }\n\n /// Sets the price directly (for testing).\n pub fn set_price(&mut self, price: Decimal) {\n self.current_mid_price = price.max(self.config.price_step);\n }\n\n /// Returns the number of ticks processed.\n #[must_use]\n pub fn tick_count(&self) -> u64 {\n self.tick_count\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_market_creation() {\n let market = SimulatedMarket::default_market();\n assert_eq!(market.symbol(), \"TEST\");\n assert_eq!(market.mid_price(), Decimal::from(100));\n }\n\n #[test]\n fn test_best_bid_ask() {\n let market = SimulatedMarket::default_market();\n let bid = market.best_bid();\n let ask = market.best_ask();\n\n // With default spread of 2 ticks and price_step of 0.01\n // Mid = 100, spread = 0.02\n // Bid = 100 - 0.01 = 99.99\n // Ask = 100 + 0.01 = 100.01\n assert!(bid.value() < ask.value());\n assert_eq!(market.spread(), Decimal::new(2, 2)); // 0.02\n }\n\n #[test]\n fn test_generate_order_book() {\n let market = SimulatedMarket::default_market();\n let bids = market.generate_bids();\n let asks = market.generate_asks();\n\n assert_eq!(bids.len(), 10);\n assert_eq!(asks.len(), 10);\n\n // Bids should be descending\n for i in 1..bids.len() {\n assert!(bids[i - 1].price().value() > bids[i].price().value());\n }\n\n // Asks should be ascending\n for i in 1..asks.len() {\n assert!(asks[i - 1].price().value() < asks[i].price().value());\n }\n }\n\n #[test]\n fn test_market_tick() {\n let mut market = SimulatedMarket::default_market();\n let initial_price = market.mid_price();\n\n for _ in 0..100 {\n market.tick();\n }\n\n // Price should have changed after many ticks\n assert_ne!(market.mid_price(), initial_price);\n assert_eq!(market.tick_count(), 100);\n }\n\n #[test]\n fn test_market_conditions() {\n let config = Simul***********onfig {\n initial_price: Decimal::from(100),\n ..Default::default()\n };\n\n // Test bullish market\n let mut bullish_market = SimulatedMarket::new(config.clone());\n bullish_market.set_condition(MarketCondition::Bullish);\n bullish_market.set_volatility(Decimal::new(5, 3)); // 0.5%\n\n let initial = bullish_market.mid_price();\n for _ in 0..100 {\n bullish_market.tick();\n }\n\n // Bullish market should generally trend up\n // (though individual runs may vary due to random component)\n let bullish_final = bullish_market.mid_price();\n\n // Test bearish market\n let mut bearish_market = SimulatedMarket::new(config);\n bearish_market.set_condition(MarketCondition::Bearish);\n bearish_market.set_volatility(Decimal::new(5, 3));\n\n for _ in 0..100 {\n bearish_market.tick();\n }\n\n let bearish_final = bearish_market.mid_price();\n\n // Bullish should end higher than bearish (statistically)\n // This is a probabilistic test, but with 100 ticks and bias, should be reliable\n assert!(\n bullish_final >= initial || bearish_final <= initial,\n \"At least one market should show expected trend\"\n );\n }\n\n #[test]\n fn test_manual_price_control() {\n let mut market = SimulatedMarket::default_market();\n\n market.set_price(Decimal::from(150));\n assert_eq!(market.mid_price(), Decimal::from(150));\n\n market.move_price(Decimal::from(-10));\n assert_eq!(market.mid_price(), Decimal::from(140));\n\n // Price shouldn't go below minimum\n market.set_price(Decimal::ZERO);\n assert!(market.mid_price() > Decimal::ZERO);\n }\n}\n",
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"content": "//! Simulator engine implementing the Exchange trait.\n\nuse super::market::{SimulatedMarket, SimulatedMarketConfig};\nuse crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\nuse crate::types::{\n Currency, Money, Order, OrderBook, OrderId, OrderSide, OrderStatus, Position, Price, Quantity,\n Trade,\n};\nuse async_trait::async_trait;\nuse rust_decimal::Decimal;\nuse std::collections::HashMap;\n\n/// A simulated exchange for testing trading strategies.\n#[derive(Debug)]\npub struct SimulatorEngine {\n info: ExchangeInfo,\n markets: HashMap<String, SimulatedMarket>,\n orders: HashMap<OrderId, Order>,\n positions: HashMap<String, Position>,\n balances: HashMap<Currency, Money>,\n trades: Vec<Trade>,\n connected: bool,\n commission_rate: Decimal,\n}\n\nimpl SimulatorEngine {\n /// Creates a new simulator engine.\n #[must_use]\n pub fn new() -> Self {\n Self {\n info: ExchangeInfo {\n name: \"Simulator\".to_string(),\n id: \"simulator\".to_string(),\n connected: false,\n instruments: Vec::new(),\n },\n markets: HashMap::new(),\n orders: HashMap::new(),\n positions: HashMap::new(),\n balances: HashMap::new(),\n trades: Vec::new(),\n connected: false,\n commission_rate: Decimal::new(1, 4), // 0.01% commission\n }\n }\n\n /// Adds a market to the simulator.\n pub fn add_market(&mut self, config: SimulatedMarketConfig) {\n let symbol = config.symbol.clone();\n let currency = config.currency.clone();\n let price_step = config.price_step;\n let lot_size = config.lot_size;\n\n let market = SimulatedMarket::new(config);\n\n // Add instrument info\n self.info.instruments.push(InstrumentInfo {\n symbol: symbol.clone(),\n name: format!(\"{symbol} (Simulated)\"),\n currency,\n min_quantity: Decimal::from(1),\n quantity_step: Decimal::from(1),\n price_step,\n lot_size,\n trading_enabled: true,\n });\n\n self.markets.insert(symbol, market);\n }\n\n /// Adds a balance to the simulator.\n pub fn add_balance(&mut self, currency: Currency, amount: Decimal) {\n self.balances\n .insert(currency.clone(), Money::new(amount, currency));\n }\n\n /// Sets the commission rate.\n pub fn set_commission_rate(&mut self, rate: Decimal) {\n self.commission_rate = rate;\n }\n\n /// Advances all markets by one tick.\n pub fn tick(&mut self) {\n for market in self.markets.values_mut() {\n market.tick();\n }\n self.process_pending_orders();\n }\n\n /// Advances all markets by multiple ticks.\n pub fn advance(&mut self, ticks: u64) {\n for _ in 0..ticks {\n self.tick();\n }\n }\n\n /// Gets a reference to a market.\n #[must_use]\n pub fn market(&self, symbol: &str) -> Option<&SimulatedMarket> {\n self.markets.get(symbol)\n }\n\n /// Gets a mutable reference to a market.\n pub fn market_mut(&mut self, symbol: &str) -> Option<&mut SimulatedMarket> {\n self.markets.get_mut(symbol)\n }\n\n /// Processes pending orders against current market prices.\n fn process_pending_orders(&mut self) {\n let order_ids: Vec<OrderId> = self\n .orders\n .iter()\n .filter(|(_, o)| o.status().is_active())\n .map(|(id, _)| id.clone())\n .collect();\n\n for order_id in order_ids {\n if let Some(order) = self.orders.get_mut(&order_id) {\n if order.status() == OrderStatus::Pending {\n order.submit();\n }\n\n if let Some(market) = self.markets.get(order.instrument()) {\n self.try_fill_order(order, market);\n }\n }\n }\n }\n\n /// Tries to fill an order based on market conditions.\n fn try_fill_order(&mut self, order: &mut Order, market: &SimulatedMarket) {\n let fill_price = match order.side() {\n OrderSide::Buy => {\n // For buy orders, check if we can fill at or below limit price\n let ask = market.best_ask();\n match order.price() {\n Some(limit) if limit.value() >= ask.value() => Some(ask),\n None => Some(ask), // Market order\n _ => None,\n }\n }\n OrderSide::Sell => {\n // For sell orders, check if we can fill at or above limit price\n let bid = market.best_bid();\n match order.price() {\n Some(limit) if limit.value() <= bid.value() => Some(bid),\n None => Some(bid), // Market order\n _ => None,\n }\n }\n };\n\n if let Some(price) = fill_price {\n let quantity = order.remaining_quantity();\n let value = price.value() * quantity.value();\n let commission_amount = value * self.commission_rate;\n let currency = price.currency().clone();\n\n // Check if we have sufficient resources\n let can_fill = match order.side() {\n OrderSide::Buy => {\n let required = value + commission_amount;\n self.balances\n .get(&currency)\n .is_some_and(|b| b.amount() >= required)\n }\n OrderSide::Sell => {\n self.positions\n .get(order.instrument())\n .is_some_and(|p| p.quantity() >= quantity)\n }\n };\n\n if can_fill {\n // Execute the fill\n self.execute_fill(order, &price, quantity, commission_amount);\n }\n }\n }\n\n /// Executes a fill for an order.\n fn execute_fill(\n &mut self,\n order: &mut Order,\n price: &Price,\n quantity: Quantity,\n commission_amount: Decimal,\n ) {\n let currency = price.currency().clone();\n let value = price.value() * quantity.value();\n let commission = Money::new(commission_amount, currency.clone());\n\n // Update balances and positions\n match order.side() {\n OrderSide::Buy => {\n // Deduct cost from balance\n if let Some(balance) = self.balances.get_mut(&currency) {\n let total_cost = value + commission_amount;\n *balance = Money::new(balance.amount() - total_cost, currency.clone());\n }\n\n // Add to position\n let position = self\n .positions\n .entry(order.instrument().to_string())\n .or_insert_with(|| Position::empty(order.instrument(), currency.clone()));\n position.add(quantity, price);\n }\n OrderSide::Sell => {\n // Add proceeds to balance\n if let Some(balance) = self.balances.get_mut(&currency) {\n let net_proceeds = value - commission_amount;\n *balance = Money::new(balance.amount() + net_proceeds, currency.clone());\n }\n\n // Reduce position\n if let Some(position) = self.positions.get_mut(order.instrument()) {\n position.reduce(quantity);\n }\n }\n }\n\n // Record the trade\n let trade = Trade::new(\n order.id().clone(),\n order.instrument(),\n order.side(),\n quantity,\n price.clone(),\n commission,\n );\n self.trades.push(trade);\n\n // Update the order\n order.fill(quantity);\n }\n\n /// Returns the trade history.\n #[must_use]\n pub fn trade_history(&self) -> &[Trade] {\n &self.trades\n }\n}\n\nimpl Default for SimulatorEngine {\n fn default() -> Self {\n Self::new()\n }\n}\n\n#[async_trait]\nimpl MarketDataProvider for SimulatorEngine {\n async fn connect(&mut self) -> Result<(), ExchangeError> {\n self.connected = true;\n self.info.connected = true;\n Ok(())\n }\n\n async fn disconnect(&mut self) -> Result<(), ExchangeError> {\n self.connected = false;\n self.info.connected = false;\n Ok(())\n }\n\n fn is_connected(&self) -> bool {\n self.connected\n }\n\n async fn get_order_book(&self, instrument: &str) -> Result<OrderBook, ExchangeError> {\n let market = self\n .markets\n .get(instrument)\n .ok_or_else(|| ExchangeError::InstrumentNotFound(instrument.to_string()))?;\n\n let bids = market.generate_bids();\n let asks = market.generate_asks();\n\n Ok(OrderBook::with_levels(instrument, bids, asks))\n }\n\n async fn get_instrument_info(&self, instrument: &str) -> Result<InstrumentInfo, ExchangeError> {\n self.info\n .instruments\n .iter()\n .find(|i| i.symbol == instrument)\n .cloned()\n .ok_or_else(|| ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn list_instruments(&self) -> Result<Vec<InstrumentInfo>, ExchangeError> {\n Ok(self.info.instruments.clone())\n }\n}\n\n#[async_trait]\nimpl OrderExecutor for SimulatorEngine {\n async fn submit_order(&mut self, mut order: Order) -> Result<Order, ExchangeError> {\n // Validate the instrument exists\n if !self.markets.contains_key(order.instrument()) {\n return Err(ExchangeError::InstrumentNotFound(order.instrument().to_string()));\n }\n\n // Validate resources for the order\n if let Some(market) = self.markets.get(order.instrument()) {\n let currency = market.config().currency.clone();\n\n match order.side() {\n OrderSide::Buy => {\n let price = order.price().map(|p| p.value()).unwrap_or(market.best_ask().value());\n let required = price * order.quantity().value();\n let available = self\n .balances\n .get(&currency)\n .map(Money::amount)\n .unwrap_or_default();\n\n if available < required {\n return Err(ExchangeError::InsufficientFunds {\n required: required.to_string(),\n available: available.to_string(),\n });\n }\n }\n OrderSide::Sell => {\n let required = order.quantity();\n let available = self\n .positions\n .get(order.instrument())\n .map(Position::quantity)\n .unwrap_or(Quantity::zero());\n\n if available < required {\n return Err(ExchangeError::Insuf**********ition {\n required: required.to_string(),\n available: available.to_string(),\n });\n }\n }\n }\n }\n\n order.submit();\n self.orders.insert(order.id().clone(), order.clone());\n\n // Try to fill immediately\n self.process_pending_orders();\n\n // Return the updated order\n Ok(self.orders.get(order.id()).cloned().unwrap_or(order))\n }\n\n async fn cancel_order(&mut self, order_id: &OrderId) -> Result<(), ExchangeError> {\n let order = self\n .orders\n .get_mut(order_id)\n .ok_or_else(|| ExchangeError::OrderNotFound(order_id.clone()))?;\n\n if order.status().is_terminal() {\n return Err(ExchangeError::OrderRejected(\n \"Cannot cancel a completed order\".to_string(),\n ));\n }\n\n order.cancel();\n Ok(())\n }\n\n async fn get_order(&self, order_id: &OrderId) -> Result<Order, ExchangeError> {\n self.orders\n .get(order_id)\n .cloned()\n .ok_or_else(|| ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn list_active_orders(&self) -> Result<Vec<Order>, ExchangeError> {\n Ok(self\n .orders\n .values()\n .filter(|o| o.status().is_active())\n .cloned()\n .collect())\n }\n\n async fn list_orders_for_instrument(&self, instrument: &str) -> Result<Vec<Order>, ExchangeError> {\n Ok(self\n .orders\n .values()\n .filter(|o| o.instrument() == instrument)\n .cloned()\n .collect())\n }\n\n async fn get_positions(&self) -> Result<HashMap<String, Position>, ExchangeError> {\n Ok(self.positions.clone())\n }\n\n async fn get_position(&self, instrument: &str) -> Result<Position, ExchangeError> {\n self.positions\n .get(instrument)\n .cloned()\n .ok_or_else(|| ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn get_balance(&self, currency: &Currency) -> Result<Money, ExchangeError> {\n self.balances\n .get(currency)\n .cloned()\n .ok_or_else(|| ExchangeError::InstrumentNotFound(currency.code().to_string()))\n }\n\n async fn get_balances(&self) -> Result<HashMap<Currency, Money>, ExchangeError> {\n Ok(self.balances.clone())\n }\n\n async fn get_trades(&self, limit: usize) -> Result<Vec<Trade>, ExchangeError> {\n let start = self.trades.len().saturating_sub(limit);\n Ok(self.trades[start..].to_vec())\n }\n\n async fn get_trades_for_instrument(\n &self,\n instrument: &str,\n limit: usize,\n ) -> Result<Vec<Trade>, ExchangeError> {\n let trades: Vec<Trade> = self\n .trades\n .iter()\n .filter(|t| t.instrument() == instrument)\n .cloned()\n .collect();\n let start = trades.len().saturating_sub(limit);\n Ok(trades[start..].to_vec())\n }\n}\n\n#[async_trait]\nimpl Exchange for SimulatorEngine {\n fn info(&self) -> &ExchangeInfo {\n &self.info\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n async fn create_test_engine() -> SimulatorEngine {\n let mut engine = SimulatorEngine::new();\n\n engine.add_market(SimulatedMarketConfig {\n symbol: \"TEST\".to_string(),\n currency: Currency::usd(),\n initial_price: Decimal::from(100),\n ..Default::default()\n });\n\n engine.add_balance(Currency::usd(), Decimal::from(10000));\n engine.connect().await.unwrap();\n\n engine\n }\n\n #[tokio::test]\n async fn test_engine_creation() {\n let engine = create_test_engine().await;\n assert!(engine.is_connected());\n assert_eq!(engine.info().name, \"Simulator\");\n }\n\n #[tokio::test]\n async fn test_get_order_book() {\n let engine = create_test_engine().await;\n let book = engine.get_order_book(\"TEST\").await.unwrap();\n\n assert_eq!(book.instrument(), \"TEST\");\n assert!(!book.bids().is_empty());\n assert!(!book.asks().is_empty());\n }\n\n #[tokio::test]\n async fn test_submit_market_buy_order() {\n let mut engine = create_test_engine().await;\n\n let order = Order::market(\"TEST\", OrderSide::Buy, Quantity::from_lots(10));\n let submitted = engine.submit_order(order).await.unwrap();\n\n assert_eq!(submitted.status(), OrderStatus::Filled);\n assert_eq!(submitted.filled_quantity().as_lots(), 10);\n\n // Check position was created\n let position = engine.get_position(\"TEST\").await.unwrap();\n assert_eq!(position.quantity().as_lots(), 10);\n\n // Check balance was reduced\n let balance = engine.get_balance(&Currency::usd()).await.unwrap();\n assert!(balance.amount() < Decimal::from(10000));\n }\n\n #[tokio::test]\n async fn test_submit_limit_order() {\n let mut engine = create_test_engine().await;\n\n // Place a limit buy order below market price\n let low_price = Price::from_f64(90.0, Currency::usd()).unwrap();\n let order = Order::limit(\"TEST\", OrderSide::Buy, Quantity::from_lots(10), low_price);\n let submitted = engine.submit_order(order).await.unwrap();\n\n // Should still be pending (not filled)\n assert_eq!(submitted.status(), OrderStatus::Submitted);\n\n // Move the market price down to trigger the order\n engine.market_mut(\"TEST\").unwrap().set_price(Decimal::from(89));\n engine.tick();\n\n // Now check if order was filled\n let updated = engine.get_order(submitted.id()).await.unwrap();\n assert_eq!(updated.status(), OrderStatus::Filled);\n }\n\n #[tokio::test]\n async fn test_sell_order() {\n let mut engine = create_test_engine().await;\n\n // First buy some\n let buy = Order::market(\"TEST\", OrderSide::Buy, Quantity::from_lots(10));\n engine.submit_order(buy).await.unwrap();\n\n // Then sell\n let sell = Order::market(\"TEST\", OrderSide::Sell, Quantity::from_lots(5));\n let sold = engine.submit_order(sell).await.unwrap();\n\n assert_eq!(sold.status(), OrderStatus::Filled);\n\n // Check position was reduced\n let position = engine.get_position(\"TEST\").await.unwrap();\n assert_eq!(position.quantity().as_lots(), 5);\n }\n\n #[tokio::test]\n async fn test_insufficient_funds() {\n let mut engine = create_test_engine().await;\n\n // Try to buy more than we can afford\n let order = Order::market(\"TEST\", OrderSide::Buy, Quantity::from_lots(1000));\n let result = engine.submit_order(order).await;\n\n assert!(matches!(result, Err(ExchangeError::InsufficientFunds { .. })));\n }\n\n #[tokio::test]\n async fn test_insufficient_position() {\n let mut engine = create_test_engine().await;\n\n // Try to sell without a position\n let order = Order::market(\"TEST\", OrderSide::Sell, Quantity::from_lots(10));\n let result = engine.submit_order(order).await;\n\n assert!(matches!(result, Err(ExchangeError::Insuf**********ition { .. })));\n }\n\n #[tokio::test]\n async fn test_cancel_order() {\n let mut engine = create_test_engine().await;\n\n // Place a limit order that won't fill\n let low_price = Price::from_f64(50.0, Currency::usd()).unwrap();\n let order = Order::limit(\"TEST\", OrderSide::Buy, Quantity::from_lots(10), low_price);\n let submitted = engine.submit_order(order).await.unwrap();\n\n // Cancel it\n engine.cancel_order(submitted.id()).await.unwrap();\n\n // Verify it's cancelled\n let cancelled = engine.get_order(submitted.id()).await.unwrap();\n assert_eq!(cancelled.status(), OrderStatus::Cancelled);\n }\n\n #[tokio::test]\n async fn test_trade_history() {\n let mut engine = create_test_engine().await;\n\n let order = Order::market(\"TEST\", OrderSide::Buy, Quantity::from_lots(10));\n engine.submit_order(order).await.unwrap();\n\n let trades = engine.get_trades(10).await.unwrap();\n assert_eq!(trades.len(), 1);\n assert_eq!(trades[0].quantity().as_lots(), 10);\n }\n}\n"
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"content": "//! Simulator engine implementing the Exchange trait.\n\nuse super::market::{SimulatedMarket, SimulatedMarketConfig};\nuse crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\nuse crate::types::{\n Currency, Money, Order, OrderBook, OrderId, OrderSide, OrderStatus, Position, Price, Quantity,\n Trade,\n};\nuse async_trait::async_trait;\nuse rust_decimal::Decimal;\nuse std::collections::HashMap;\n\n/// A simulated exchange for testing trading strategies.\n#[derive(Debug)]\npub struct SimulatorEngine {\n info: ExchangeInfo,\n markets: HashMap<String, SimulatedMarket>,\n orders: HashMap<OrderId, Order>,\n positions: HashMap<String, Position>,\n balances: HashMap<Currency, Money>,\n trades: Vec<Trade>,\n connected: bool,\n commission_rate: Decimal,\n}\n\nimpl SimulatorEngine {\n /// Creates a new simulator engine.\n #[must_use]\n pub fn new() -> Self {\n Self {\n info: ExchangeInfo {\n name: \"Simulator\".to_string(),\n id: \"simulator\".to_string(),\n connected: false,\n instruments: Vec::new(),\n },\n markets: HashMap::new(),\n orders: HashMap::new(),\n positions: HashMap::new(),\n balances: HashMap::new(),\n trades: Vec::new(),\n connected: false,\n commission_rate: Decimal::new(1, 4), // 0.01% commission\n }\n }\n\n /// Adds a market to the simulator.\n pub fn add_market(&mut self, config: SimulatedMarketConfig) {\n let symbol = config.symbol.clone();\n let currency = config.currency.clone();\n let price_step = config.price_step;\n let lot_size = config.lot_size;\n\n let market = SimulatedMarket::new(config);\n\n // Add instrument info\n self.info.instruments.push(InstrumentInfo {\n symbol: symbol.clone(),\n name: format!(\"{symbol} (Simulated)\"),\n currency,\n min_quantity: Decimal::from(1),\n quantity_step: Decimal::from(1),\n price_step,\n lot_size,\n trading_enabled: true,\n });\n\n self.markets.insert(symbol, market);\n }\n\n /// Adds a balance to the simulator.\n pub fn add_balance(&mut self, currency: Currency, amount: Decimal) {\n self.balances\n .insert(currency.clone(), Money::new(amount, currency));\n }\n\n /// Sets the commission rate.\n pub fn set_commission_rate(&mut self, rate: Decimal) {\n self.commission_rate = rate;\n }\n\n /// Advances all markets by one tick.\n pub fn tick(&mut self) {\n for market in self.markets.values_mut() {\n market.tick();\n }\n self.process_pending_orders();\n }\n\n /// Advances all markets by multiple ticks.\n pub fn advance(&mut self, ticks: u64) {\n for _ in 0..ticks {\n self.tick();\n }\n }\n\n /// Gets a reference to a market.\n #[must_use]\n pub fn market(&self, symbol: &str) -> Option<&SimulatedMarket> {\n self.markets.get(symbol)\n }\n\n /// Gets a mutable reference to a market.\n pub fn market_mut(&mut self, symbol: &str) -> Option<&mut SimulatedMarket> {\n self.markets.get_mut(symbol)\n }\n\n /// Processes pending orders against current market prices.\n fn process_pending_orders(&mut self) {\n let order_ids: Vec<OrderId> = self\n .orders\n .iter()\n .filter(|(_, o)| o.status().is_active())\n .map(|(id, _)| id.clone())\n .collect();\n\n for order_id in order_ids {\n if let Some(order) = self.orders.get_mut(&order_id) {\n if order.status() == OrderStatus::Pending {\n order.submit();\n }\n\n if let Some(market) = self.markets.get(order.instrument()) {\n self.try_fill_order(order, market);\n }\n }\n }\n }\n\n /// Tries to fill an order based on market conditions.\n fn try_fill_order(&mut self, order: &mut Order, market: &SimulatedMarket) {\n let fill_price = match order.side() {\n OrderSide::Buy => {\n // For buy orders, check if we can fill at or below limit price\n let ask = market.best_ask();\n match order.price() {\n Some(limit) if limit.value() >= ask.value() => Some(ask),\n None => Some(ask), // Market order\n _ => None,\n }\n }\n OrderSide::Sell => {\n // For sell orders, check if we can fill at or above limit price\n let bid = market.best_bid();\n match order.price() {\n Some(limit) if limit.value() <= bid.value() => Some(bid),\n None => Some(bid), // Market order\n _ => None,\n }\n }\n };\n\n if let Some(price) = fill_price {\n let quantity = order.remaining_quantity();\n let value = price.value() * quantity.value();\n let commission_amount = value * self.commission_rate;\n let currency = price.currency().clone();\n\n // Check if we have sufficient resources\n let can_fill = match order.side() {\n OrderSide::Buy => {\n let required = value + commission_amount;\n self.balances\n .get(&currency)\n .is_some_and(|b| b.amount() >= required)\n }\n OrderSide::Sell => {\n self.positions\n .get(order.instrument())\n .is_some_and(|p| p.quantity() >= quantity)\n }\n };\n\n if can_fill {\n // Execute the fill\n self.execute_fill(order, &price, quantity, commission_amount);\n }\n }\n }\n\n /// Executes a fill for an order.\n fn execute_fill(\n &mut self,\n order: &mut Order,\n price: &Price,\n quantity: Quantity,\n commission_amount: Decimal,\n ) {\n let currency = price.currency().clone();\n let value = price.value() * quantity.value();\n let commission = Money::new(commission_amount, currency.clone());\n\n // Update balances and positions\n match order.side() {\n OrderSide::Buy => {\n // Deduct cost from balance\n if let Some(balance) = self.balances.get_mut(&currency) {\n let total_cost = value + commission_amount;\n *balance = Money::new(balance.amount() - total_cost, currency.clone());\n }\n\n // Add to position\n let position = self\n .positions\n .entry(order.instrument().to_string())\n .or_insert_with(|| Position::empty(order.instrument(), currency.clone()));\n position.add(quantity, price);\n }\n OrderSide::Sell => {\n // Add proceeds to balance\n if let Some(balance) = self.balances.get_mut(&currency) {\n let net_proceeds = value - commission_amount;\n *balance = Money::new(balance.amount() + net_proceeds, currency.clone());\n }\n\n // Reduce position\n if let Some(position) = self.positions.get_mut(order.instrument()) {\n position.reduce(quantity);\n }\n }\n }\n\n // Record the trade\n let trade = Trade::new(\n order.id().clone(),\n order.instrument(),\n order.side(),\n quantity,\n price.clone(),\n commission,\n );\n self.trades.push(trade);\n\n // Update the order\n order.fill(quantity);\n }\n\n /// Returns the trade history.\n #[must_use]\n pub fn trade_history(&self) -> &[Trade] {\n &self.trades\n }\n}\n\nimpl Default for SimulatorEngine {\n fn default() -> Self {\n Self::new()\n }\n}\n\n#[async_trait]\nimpl MarketDataProvider for SimulatorEngine {\n async fn connect(&mut self) -> Result<(), ExchangeError> {\n self.connected = true;\n self.info.connected = true;\n Ok(())\n }\n\n async fn disconnect(&mut self) -> Result<(), ExchangeError> {\n self.connected = false;\n self.info.connected = false;\n Ok(())\n }\n\n fn is_connected(&self) -> bool {\n self.connected\n }\n\n async fn get_order_book(&self, instrument: &str) -> Result<OrderBook, ExchangeError> {\n let market = self\n .markets\n .get(instrument)\n .ok_or_else(|| ExchangeError::InstrumentNotFound(instrument.to_string()))?;\n\n let bids = market.generate_bids();\n let asks = market.generate_asks();\n\n Ok(OrderBook::with_levels(instrument, bids, asks))\n }\n\n async fn get_instrument_info(&self, instrument: &str) -> Result<InstrumentInfo, ExchangeError> {\n self.info\n .instruments\n .iter()\n .find(|i| i.symbol == instrument)\n .cloned()\n .ok_or_else(|| ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn list_instruments(&self) -> Result<Vec<InstrumentInfo>, ExchangeError> {\n Ok(self.info.instruments.clone())\n }\n}\n\n#[async_trait]\nimpl OrderExecutor for SimulatorEngine {\n async fn submit_order(&mut self, mut order: Order) -> Result<Order, ExchangeError> {\n // Validate the instrument exists\n if !self.markets.contains_key(order.instrument()) {\n return Err(ExchangeError::InstrumentNotFound(order.instrument().to_string()));\n }\n\n // Validate resources for the order\n if let Some(market) = self.markets.get(order.instrument()) {\n let currency = market.config().currency.clone();\n\n match order.side() {\n OrderSide::Buy => {\n let price = order.price().map(|p| p.value()).unwrap_or(market.best_ask().value());\n let required = price * order.quantity().value();\n let available = self\n .balances\n .get(&currency)\n .map(Money::amount)\n .unwrap_or_default();\n\n if available < required {\n return Err(ExchangeError::InsufficientFunds {\n required: required.to_string(),\n available: available.to_string(),\n });\n }\n }\n OrderSide::Sell => {\n let required = order.quantity();\n let available = self\n .positions\n .get(order.instrument())\n .map(Position::quantity)\n .unwrap_or(Quantity::zero());\n\n if available < required {\n return Err(ExchangeError::Insuf**********ition {\n required: required.to_string(),\n available: available.to_string(),\n });\n }\n }\n }\n }\n\n order.submit();\n self.orders.insert(order.id().clone(), order.clone());\n\n // Try to fill immediately\n self.process_pending_orders();\n\n // Return the updated order\n Ok(self.orders.get(order.id()).cloned().unwrap_or(order))\n }\n\n async fn cancel_order(&mut self, order_id: &OrderId) -> Result<(), ExchangeError> {\n let order = self\n .orders\n .get_mut(order_id)\n .ok_or_else(|| ExchangeError::OrderNotFound(order_id.clone()))?;\n\n if order.status().is_terminal() {\n return Err(ExchangeError::OrderRejected(\n \"Cannot cancel a completed order\".to_string(),\n ));\n }\n\n order.cancel();\n Ok(())\n }\n\n async fn get_order(&self, order_id: &OrderId) -> Result<Order, ExchangeError> {\n self.orders\n .get(order_id)\n .cloned()\n .ok_or_else(|| ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn list_active_orders(&self) -> Result<Vec<Order>, ExchangeError> {\n Ok(self\n .orders\n .values()\n .filter(|o| o.status().is_active())\n .cloned()\n .collect())\n }\n\n async fn list_orders_for_instrument(&self, instrument: &str) -> Result<Vec<Order>, ExchangeError> {\n Ok(self\n .orders\n .values()\n .filter(|o| o.instrument() == instrument)\n .cloned()\n .collect())\n }\n\n async fn get_positions(&self) -> Result<HashMap<String, Position>, ExchangeError> {\n Ok(self.positions.clone())\n }\n\n async fn get_position(&self, instrument: &str) -> Result<Position, ExchangeError> {\n self.positions\n .get(instrument)\n .cloned()\n .ok_or_else(|| ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn get_balance(&self, currency: &Currency) -> Result<Money, ExchangeError> {\n self.balances\n .get(currency)\n .cloned()\n .ok_or_else(|| ExchangeError::InstrumentNotFound(currency.code().to_string()))\n }\n\n async fn get_balances(&self) -> Result<HashMap<Currency, Money>, ExchangeError> {\n Ok(self.balances.clone())\n }\n\n async fn get_trades(&self, limit: usize) -> Result<Vec<Trade>, ExchangeError> {\n let start = self.trades.len().saturating_sub(limit);\n Ok(self.trades[start..].to_vec())\n }\n\n async fn get_trades_for_instrument(\n &self,\n instrument: &str,\n limit: usize,\n ) -> Result<Vec<Trade>, ExchangeError> {\n let trades: Vec<Trade> = self\n .trades\n .iter()\n .filter(|t| t.instrument() == instrument)\n .cloned()\n .collect();\n let start = trades.len().saturating_sub(limit);\n Ok(trades[start..].to_vec())\n }\n}\n\n#[async_trait]\nimpl Exchange for SimulatorEngine {\n fn info(&self) -> &ExchangeInfo {\n &self.info\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n async fn create_test_engine() -> SimulatorEngine {\n let mut engine = SimulatorEngine::new();\n\n engine.add_market(SimulatedMarketConfig {\n symbol: \"TEST\".to_string(),\n currency: Currency::usd(),\n initial_price: Decimal::from(100),\n ..Default::default()\n });\n\n engine.add_balance(Currency::usd(), Decimal::from(10000));\n engine.connect().await.unwrap();\n\n engine\n }\n\n #[tokio::test]\n async fn test_engine_creation() {\n let engine = create_test_engine().await;\n assert!(engine.is_connected());\n assert_eq!(engine.info().name, \"Simulator\");\n }\n\n #[tokio::test]\n async fn test_get_order_book() {\n let engine = create_test_engine().await;\n let book = engine.get_order_book(\"TEST\").await.unwrap();\n\n assert_eq!(book.instrument(), \"TEST\");\n assert!(!book.bids().is_empty());\n assert!(!book.asks().is_empty());\n }\n\n #[tokio::test]\n async fn test_submit_market_buy_order() {\n let mut engine = create_test_engine().await;\n\n let order = Order::market(\"TEST\", OrderSide::Buy, Quantity::from_lots(10));\n let submitted = engine.submit_order(order).await.unwrap();\n\n assert_eq!(submitted.status(), OrderStatus::Filled);\n assert_eq!(submitted.filled_quantity().as_lots(), 10);\n\n // Check position was created\n let position = engine.get_position(\"TEST\").await.unwrap();\n assert_eq!(position.quantity().as_lots(), 10);\n\n // Check balance was reduced\n let balance = engine.get_balance(&Currency::usd()).await.unwrap();\n assert!(balance.amount() < Decimal::from(10000));\n }\n\n #[tokio::test]\n async fn test_submit_limit_order() {\n let mut engine = create_test_engine().await;\n\n // Place a limit buy order below market price\n let low_price = Price::from_f64(90.0, Currency::usd()).unwrap();\n let order = Order::limit(\"TEST\", OrderSide::Buy, Quantity::from_lots(10), low_price);\n let submitted = engine.submit_order(order).await.unwrap();\n\n // Should still be pending (not filled)\n assert_eq!(submitted.status(), OrderStatus::Submitted);\n\n // Move the market price down to trigger the order\n engine.market_mut(\"TEST\").unwrap().set_price(Decimal::from(89));\n engine.tick();\n\n // Now check if order was filled\n let updated = engine.get_order(submitted.id()).await.unwrap();\n assert_eq!(updated.status(), OrderStatus::Filled);\n }\n\n #[tokio::test]\n async fn test_sell_order() {\n let mut engine = create_test_engine().await;\n\n // First buy some\n let buy = Order::market(\"TEST\", OrderSide::Buy, Quantity::from_lots(10));\n engine.submit_order(buy).await.unwrap();\n\n // Then sell\n let sell = Order::market(\"TEST\", OrderSide::Sell, Quantity::from_lots(5));\n let sold = engine.submit_order(sell).await.unwrap();\n\n assert_eq!(sold.status(), OrderStatus::Filled);\n\n // Check position was reduced\n let position = engine.get_position(\"TEST\").await.unwrap();\n assert_eq!(position.quantity().as_lots(), 5);\n }\n\n #[tokio::test]\n async fn test_insufficient_funds() {\n let mut engine = create_test_engine().await;\n\n // Try to buy more than we can afford\n let order = Order::market(\"TEST\", OrderSide::Buy, Quantity::from_lots(1000));\n let result = engine.submit_order(order).await;\n\n assert!(matches!(result, Err(ExchangeError::InsufficientFunds { .. })));\n }\n\n #[tokio::test]\n async fn test_insufficient_position() {\n let mut engine = create_test_engine().await;\n\n // Try to sell without a position\n let order = Order::market(\"TEST\", OrderSide::Sell, Quantity::from_lots(10));\n let result = engine.submit_order(order).await;\n\n assert!(matches!(result, Err(ExchangeError::Insuf**********ition { .. })));\n }\n\n #[tokio::test]\n async fn test_cancel_order() {\n let mut engine = create_test_engine().await;\n\n // Place a limit order that won't fill\n let low_price = Price::from_f64(50.0, Currency::usd()).unwrap();\n let order = Order::limit(\"TEST\", OrderSide::Buy, Quantity::from_lots(10), low_price);\n let submitted = engine.submit_order(order).await.unwrap();\n\n // Cancel it\n engine.cancel_order(submitted.id()).await.unwrap();\n\n // Verify it's cancelled\n let cancelled = engine.get_order(submitted.id()).await.unwrap();\n assert_eq!(cancelled.status(), OrderStatus::Cancelled);\n }\n\n #[tokio::test]\n async fn test_trade_history() {\n let mut engine = create_test_engine().await;\n\n let order = Order::market(\"TEST\", OrderSide::Buy, Quantity::from_lots(10));\n engine.submit_order(order).await.unwrap();\n\n let trades = engine.get_trades(10).await.unwrap();\n assert_eq!(trades.len(), 1);\n assert_eq!(trades[0].quantity().as_lots(), 10);\n }\n}\n",
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"content": "//! Trading strategies module.\n//!\n//! This module provides trading strategy implementations.\n\nmod scalper;\nmod settings;\nmod traits;\n\npub use scalper::ScalpingStrategy;\npub use settings::TradingSettings;\npub use traits::{Strategy, StrategyAction, StrategyDecision};\n"
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"content": "//! Trading strategies module.\n//!\n//! This module provides trading strategy implementations.\n\nmod scalper;\nmod settings;\nmod traits;\n\npub use scalper::ScalpingStrategy;\npub use settings::TradingSettings;\npub use traits::{Strategy, StrategyAction, StrategyDecision};\n",
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[2025-12-29T13:13:33.308Z] [INFO] {
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"content": "//! Trading settings for configuring strategy behavior.\n\nuse chrono::NaiveTime;\nuse rust_decimal::Decimal;\nuse serde::{Deserialize, Serialize};\n\n/// Configuration settings for trading.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct TradingSettings {\n /// The instrument to trade.\n pub instrument: String,\n\n /// Minimum profit in price steps before considering a sell.\n pub minimum_profit_steps: u32,\n\n /// Minimum market order size to consider buying.\n pub minimum_market_order_size_to_buy: u64,\n\n /// Minimum market order size to consider selling.\n pub minimum_market_order_size_to_sell: u64,\n\n /// Minimum market order size to change buy price.\n pub minimum_market_order_size_to_change_buy_price: u64,\n\n /// Minimum market order size to change sell price.\n pub minimum_market_order_size_to_change_sell_price: u64,\n\n /// Order book depth to analyze.\n pub market_order_book_depth: usize,\n\n /// Maximum number of lots to hold.\n pub max_position_lots: u64,\n\n /// Lot size for orders.\n pub lot_size: u64,\n\n /// Earliest time to start buying.\n pub minimum_time_to_buy: Option<NaiveTime>,\n\n /// Latest time to buy.\n pub maximum_time_to_buy: Option<NaiveTime>,\n\n /// Delta for early sell (sell if price drops by this many steps).\n pub early_sell_owned_lots_delta: Option<u32>,\n\n /// Multiplier for early sell.\n pub early_sell_owned_lots_multiplier: Option<Decimal>,\n\n /// Price step for the instrument.\n pub price_step: Decimal,\n\n /// Whether trading is enabled.\n pub enabled: bool,\n}\n\nimpl Default for TradingSettings {\n fn default() -> Self {\n Self {\n instrument: String::new(),\n minimum_profit_steps: 1,\n minimum_market_order_size_to_buy: 10,\n minimum_market_order_size_to_sell: 10,\n minimum_market_order_size_to_change_buy_price: 50,\n minimum_market_order_size_to_change_sell_price: 50,\n market_order_book_depth: 5,\n max_position_lots: 100,\n lot_size: 1,\n minimum_time_to_buy: None,\n maximum_time_to_buy: None,\n early_sell_owned_lots_delta: None,\n early_sell_owned_lots_multiplier: None,\n price_step: Decimal::new(1, 2), // 0.01\n enabled: true,\n }\n }\n}\n\nimpl TradingSettings {\n /// Creates new trading settings for an instrument.\n #[must_use]\n pub fn new(instrument: impl Into<String>) -> Self {\n Self {\n instrument: instrument.into(),\n ..Default::default()\n }\n }\n\n /// Builder method to set minimum profit steps.\n #[must_use]\n pub fn with_minimum_profit_steps(mut self, steps: u32) -> Self {\n self.minimum_profit_steps = steps;\n self\n }\n\n /// Builder method to set price step.\n #[must_use]\n pub fn with_price_step(mut self, step: Decimal) -> Self {\n self.price_step = step;\n self\n }\n\n /// Builder method to set lot size.\n #[must_use]\n pub fn with_lot_size(mut self, size: u64) -> Self {\n self.lot_size = size;\n self\n }\n\n /// Builder method to set max position.\n #[must_use]\n pub fn with_max_position(mut self, lots: u64) -> Self {\n self.max_position_lots = lots;\n self\n }\n\n /// Builder method to set order book depth.\n #[must_use]\n pub fn with_order_book_depth(mut self, depth: usize) -> Self {\n self.market_order_book_depth = depth;\n self\n }\n\n /// Builder method to set minimum market order size to buy.\n #[must_use]\n pub fn with_min_order_size_to_buy(mut self, size: u64) -> Self {\n self.minimum_market_order_size_to_buy = size;\n self\n }\n\n /// Builder method to set minimum market order size to sell.\n #[must_use]\n pub fn with_min_order_size_to_sell(mut self, size: u64) -> Self {\n self.minimum_market_order_size_to_sell = size;\n self\n }\n\n /// Builder method to set trading time window.\n #[must_use]\n pub fn with_trading_hours(mut self, start: NaiveTime, end: NaiveTime) -> Self {\n self.minimum_time_to_buy = Some(start);\n self.maximum_time_to_buy = Some(end);\n self\n }\n\n /// Builder method to enable/disable trading.\n #[must_use]\n pub fn with_enabled(mut self, enabled: bool) -> Self {\n self.enabled = enabled;\n self\n }\n\n /// Returns the minimum profit amount.\n #[must_use]\n pub fn minimum_profit(&self) -> Decimal {\n self.price_step * Decimal::from(self.minimum_profit_steps)\n }\n\n /// Checks if trading is allowed at the given time.\n #[must_use]\n pub fn is_trading_time(&self, time: NaiveTime) -> bool {\n match (self.minimum_time_to_buy, self.maximum_time_to_buy) {\n (Some(start), Some(end)) => time >= start && time <= end,\n (Some(start), None) => time >= start,\n (None, Some(end)) => time <= end,\n (None, None) => true,\n }\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_default_settings() {\n let settings = TradingSettings::default();\n assert_eq!(settings.minimum_profit_steps, 1);\n assert!(settings.enabled);\n }\n\n #[test]\n fn test_builder_pattern() {\n let settings = TradingSettings::new(\"TEST\")\n .with_minimum_profit_steps(2)\n .with_price_step(Decimal::new(1, 1))\n .with_max_position(50);\n\n assert_eq!(settings.instrument, \"TEST\");\n assert_eq!(settings.minimum_profit_steps, 2);\n assert_eq!(settings.price_step, Decimal::new(1, 1));\n assert_eq!(settings.max_position_lots, 50);\n }\n\n #[test]\n fn test_minimum_profit() {\n let settings = TradingSettings::new(\"TEST\")\n .with_minimum_profit_steps(3)\n .with_price_step(Decimal::new(1, 2)); // 0.01\n\n assert_eq!(settings.minimum_profit(), Decimal::new(3, 2)); // 0.03\n }\n\n #[test]\n fn test_trading_time() {\n let settings = TradingSettings::new(\"TEST\").with_trading_hours(\n NaiveTime::from_hms_opt(9, 0, 0).unwrap(),\n NaiveTime::from_hms_opt(17, 0, 0).unwrap(),\n );\n\n assert!(settings.is_trading_time(NaiveTime::from_hms_opt(12, 0, 0).unwrap()));\n assert!(!settings.is_trading_time(NaiveTime::from_hms_opt(8, 0, 0).unwrap()));\n assert!(!settings.is_trading_time(NaiveTime::from_hms_opt(18, 0, 0).unwrap()));\n }\n\n #[test]\n fn test_no_trading_time_restrictions() {\n let settings = TradingSettings::new(\"TEST\");\n assert!(settings.is_trading_time(NaiveTime::from_hms_opt(3, 0, 0).unwrap()));\n assert!(settings.is_trading_time(NaiveTime::from_hms_opt(23, 0, 0).unwrap()));\n }\n}\n"
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"content": "//! Trading settings for configuring strategy behavior.\n\nuse chrono::NaiveTime;\nuse rust_decimal::Decimal;\nuse serde::{Deserialize, Serialize};\n\n/// Configuration settings for trading.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub struct TradingSettings {\n /// The instrument to trade.\n pub instrument: String,\n\n /// Minimum profit in price steps before considering a sell.\n pub minimum_profit_steps: u32,\n\n /// Minimum market order size to consider buying.\n pub minimum_market_order_size_to_buy: u64,\n\n /// Minimum market order size to consider selling.\n pub minimum_market_order_size_to_sell: u64,\n\n /// Minimum market order size to change buy price.\n pub minimum_market_order_size_to_change_buy_price: u64,\n\n /// Minimum market order size to change sell price.\n pub minimum_market_order_size_to_change_sell_price: u64,\n\n /// Order book depth to analyze.\n pub market_order_book_depth: usize,\n\n /// Maximum number of lots to hold.\n pub max_position_lots: u64,\n\n /// Lot size for orders.\n pub lot_size: u64,\n\n /// Earliest time to start buying.\n pub minimum_time_to_buy: Option<NaiveTime>,\n\n /// Latest time to buy.\n pub maximum_time_to_buy: Option<NaiveTime>,\n\n /// Delta for early sell (sell if price drops by this many steps).\n pub early_sell_owned_lots_delta: Option<u32>,\n\n /// Multiplier for early sell.\n pub early_sell_owned_lots_multiplier: Option<Decimal>,\n\n /// Price step for the instrument.\n pub price_step: Decimal,\n\n /// Whether trading is enabled.\n pub enabled: bool,\n}\n\nimpl Default for TradingSettings {\n fn default() -> Self {\n Self {\n instrument: String::new(),\n minimum_profit_steps: 1,\n minimum_market_order_size_to_buy: 10,\n minimum_market_order_size_to_sell: 10,\n minimum_market_order_size_to_change_buy_price: 50,\n minimum_market_order_size_to_change_sell_price: 50,\n market_order_book_depth: 5,\n max_position_lots: 100,\n lot_size: 1,\n minimum_time_to_buy: None,\n maximum_time_to_buy: None,\n early_sell_owned_lots_delta: None,\n early_sell_owned_lots_multiplier: None,\n price_step: Decimal::new(1, 2), // 0.01\n enabled: true,\n }\n }\n}\n\nimpl TradingSettings {\n /// Creates new trading settings for an instrument.\n #[must_use]\n pub fn new(instrument: impl Into<String>) -> Self {\n Self {\n instrument: instrument.into(),\n ..Default::default()\n }\n }\n\n /// Builder method to set minimum profit steps.\n #[must_use]\n pub fn with_minimum_profit_steps(mut self, steps: u32) -> Self {\n self.minimum_profit_steps = steps;\n self\n }\n\n /// Builder method to set price step.\n #[must_use]\n pub fn with_price_step(mut self, step: Decimal) -> Self {\n self.price_step = step;\n self\n }\n\n /// Builder method to set lot size.\n #[must_use]\n pub fn with_lot_size(mut self, size: u64) -> Self {\n self.lot_size = size;\n self\n }\n\n /// Builder method to set max position.\n #[must_use]\n pub fn with_max_position(mut self, lots: u64) -> Self {\n self.max_position_lots = lots;\n self\n }\n\n /// Builder method to set order book depth.\n #[must_use]\n pub fn with_order_book_depth(mut self, depth: usize) -> Self {\n self.market_order_book_depth = depth;\n self\n }\n\n /// Builder method to set minimum market order size to buy.\n #[must_use]\n pub fn with_min_order_size_to_buy(mut self, size: u64) -> Self {\n self.minimum_market_order_size_to_buy = size;\n self\n }\n\n /// Builder method to set minimum market order size to sell.\n #[must_use]\n pub fn with_min_order_size_to_sell(mut self, size: u64) -> Self {\n self.minimum_market_order_size_to_sell = size;\n self\n }\n\n /// Builder method to set trading time window.\n #[must_use]\n pub fn with_trading_hours(mut self, start: NaiveTime, end: NaiveTime) -> Self {\n self.minimum_time_to_buy = Some(start);\n self.maximum_time_to_buy = Some(end);\n self\n }\n\n /// Builder method to enable/disable trading.\n #[must_use]\n pub fn with_enabled(mut self, enabled: bool) -> Self {\n self.enabled = enabled;\n self\n }\n\n /// Returns the minimum profit amount.\n #[must_use]\n pub fn minimum_profit(&self) -> Decimal {\n self.price_step * Decimal::from(self.minimum_profit_steps)\n }\n\n /// Checks if trading is allowed at the given time.\n #[must_use]\n pub fn is_trading_time(&self, time: NaiveTime) -> bool {\n match (self.minimum_time_to_buy, self.maximum_time_to_buy) {\n (Some(start), Some(end)) => time >= start && time <= end,\n (Some(start), None) => time >= start,\n (None, Some(end)) => time <= end,\n (None, None) => true,\n }\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_default_settings() {\n let settings = TradingSettings::default();\n assert_eq!(settings.minimum_profit_steps, 1);\n assert!(settings.enabled);\n }\n\n #[test]\n fn test_builder_pattern() {\n let settings = TradingSettings::new(\"TEST\")\n .with_minimum_profit_steps(2)\n .with_price_step(Decimal::new(1, 1))\n .with_max_position(50);\n\n assert_eq!(settings.instrument, \"TEST\");\n assert_eq!(settings.minimum_profit_steps, 2);\n assert_eq!(settings.price_step, Decimal::new(1, 1));\n assert_eq!(settings.max_position_lots, 50);\n }\n\n #[test]\n fn test_minimum_profit() {\n let settings = TradingSettings::new(\"TEST\")\n .with_minimum_profit_steps(3)\n .with_price_step(Decimal::new(1, 2)); // 0.01\n\n assert_eq!(settings.minimum_profit(), Decimal::new(3, 2)); // 0.03\n }\n\n #[test]\n fn test_trading_time() {\n let settings = TradingSettings::new(\"TEST\").with_trading_hours(\n NaiveTime::from_hms_opt(9, 0, 0).unwrap(),\n NaiveTime::from_hms_opt(17, 0, 0).unwrap(),\n );\n\n assert!(settings.is_trading_time(NaiveTime::from_hms_opt(12, 0, 0).unwrap()));\n assert!(!settings.is_trading_time(NaiveTime::from_hms_opt(8, 0, 0).unwrap()));\n assert!(!settings.is_trading_time(NaiveTime::from_hms_opt(18, 0, 0).unwrap()));\n }\n\n #[test]\n fn test_no_trading_time_restrictions() {\n let settings = TradingSettings::new(\"TEST\");\n assert!(settings.is_trading_time(NaiveTime::from_hms_opt(3, 0, 0).unwrap()));\n assert!(settings.is_trading_time(NaiveTime::from_hms_opt(23, 0, 0).unwrap()));\n }\n}\n",
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Strategy traits and types.\n\nuse crate::types::{Order, OrderBook, OrderId, Position, Price, Quantity};\nuse async_trait::async_trait;\nuse serde::{Deserialize, Serialize};\n\n/// An action the strategy wants to take.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub enum StrategyAction {\n /// Place a new buy order.\n Buy {\n quantity: Quantity,\n price: Option<Price>,\n },\n\n /// Place a new sell order.\n Sell {\n quantity: Quantity,\n price: Option<Price>,\n },\n\n /// Cancel an existing order.\n Cancel { order_id: OrderId },\n\n /// Modify an existing order's price.\n ModifyPrice {\n order_id: OrderId,\n new_price: Price,\n },\n\n /// Do nothing.\n Hold,\n}\n\nimpl StrategyAction {\n /// Creates a market buy action.\n #[must_use]\n pub fn market_buy(quantity: Quantity) -> Self {\n Self::Buy {\n quantity,\n price: None,\n }\n }\n\n /// Creates a limit buy action.\n #[must_use]\n pub fn limit_buy(quantity: Quantity, price: Price) -> Self {\n Self::Buy {\n quantity,\n price: Some(price),\n }\n }\n\n /// Creates a market sell action.\n #[must_use]\n pub fn market_sell(quantity: Quantity) -> Self {\n Self::Sell {\n quantity,\n price: None,\n }\n }\n\n /// Creates a limit sell action.\n #[must_use]\n pub fn limit_sell(quantity: Quantity, price: Price) -> Self {\n Self::Sell {\n quantity,\n price: Some(price),\n }\n }\n\n /// Creates a cancel action.\n #[must_use]\n pub fn cancel(order_id: OrderId) -> Self {\n Self::Cancel { order_id }\n }\n\n /// Creates a hold action.\n #[must_use]\n pub fn hold() -> Self {\n Self::Hold\n }\n\n /// Checks if this is a hold action.\n #[must_use]\n pub fn is_hold(&self) -> bool {\n matches!(self, Self::Hold)\n }\n}\n\n/// The decision made by a strategy, containing multiple possible actions.\n#[derive(Debug, Clone, Default)]\npub struct StrategyDecision {\n actions: Vec<StrategyAction>,\n reason: Option<String>,\n}\n\nimpl StrategyDecision {\n /// Creates a new empty decision.\n #[must_use]\n pub fn new() -> Self {\n Self {\n actions: Vec::new(),\n reason: None,\n }\n }\n\n /// Creates a decision with a single action.\n #[must_use]\n pub fn single(action: StrategyAction) -> Self {\n Self {\n actions: vec![action],\n reason: None,\n }\n }\n\n /// Creates a hold decision.\n #[must_use]\n pub fn hold() -> Self {\n Self::single(StrategyAction::Hold)\n }\n\n /// Creates a hold decision with a reason.\n #[must_use]\n pub fn hold_with_reason(reason: impl Into<String>) -> Self {\n Self {\n actions: vec![StrategyAction::Hold],\n reason: Some(reason.into()),\n }\n }\n\n /// Adds an action to the decision.\n pub fn add_action(&mut self, action: StrategyAction) {\n self.actions.push(action);\n }\n\n /// Sets the reason for the decision.\n pub fn with_reason(mut self, reason: impl Into<String>) -> Self {\n self.reason = Some(reason.into());\n self\n }\n\n /// Returns the actions.\n #[must_use]\n pub fn actions(&self) -> &[StrategyAction] {\n &self.actions\n }\n\n /// Returns the reason for the decision.\n #[must_use]\n pub fn reason(&self) -> Option<&str> {\n self.reason.as_deref()\n }\n\n /// Checks if this is a hold decision (no actions or only hold actions).\n #[must_use]\n pub fn is_hold(&self) -> bool {\n self.actions.is_empty() || self.actions.iter().all(StrategyAction::is_hold)\n }\n}\n\n/// Market state provided to the strategy for decision making.\n#[derive(Debug, Clone)]\npub struct MarketState {\n /// The instrument being traded.\n pub instrument: String,\n /// Current order book.\n pub order_book: OrderBook,\n /// Current position.\n pub position: Option<Position>,\n /// Active orders.\n pub active_orders: Vec<Order>,\n /// Available cash for trading.\n pub available_cash: rust_decimal::Decimal,\n /// Current timestamp.\n pub timestamp: chrono::DateTime<chrono::Utc>,\n}\n\n/// A trading strategy that makes decisions based on market state.\n#[async_trait]\npub trait Strategy: Send + Sync {\n /// Returns the name of the strategy.\n fn name(&self) -> &str;\n\n /// Makes a decision based on the current market state.\n async fn decide(&self, state: &MarketState) -> StrategyDecision;\n\n /// Called when an order is filled.\n async fn on_order_filled(&mut self, order: &Order);\n\n /// Called when an order is cancelled.\n async fn on_order_cancelled(&mut self, order: &Order);\n\n /// Resets the strategy state.\n async fn reset(&mut self);\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_strategy_action_creation() {\n let buy = StrategyAction::market_buy(Quantity::from_lots(10));\n assert!(matches!(buy, StrategyAction::Buy { price: None, .. }));\n\n let sell = StrategyAction::market_sell(Quantity::from_lots(5));\n assert!(matches!(sell, StrategyAction::Sell { price: None, .. }));\n }\n\n #[test]\n fn test_strategy_decision() {\n let mut decision = StrategyDecision::new();\n decision.add_action(StrategyAction::market_buy(Quantity::from_lots(10)));\n decision.add_action(StrategyAction::market_sell(Quantity::from_lots(5)));\n\n assert_eq!(decision.actions().len(), 2);\n assert!(!decision.is_hold());\n }\n\n #[test]\n fn test_hold_decision() {\n let decision = StrategyDecision::hold_with_reason(\"Market closed\");\n assert!(decision.is_hold());\n assert_eq!(decision.reason(), Some(\"Market closed\"));\n }\n}\n"
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"content": "//! Strategy traits and types.\n\nuse crate::types::{Order, OrderBook, OrderId, Position, Price, Quantity};\nuse async_trait::async_trait;\nuse serde::{Deserialize, Serialize};\n\n/// An action the strategy wants to take.\n#[derive(Debug, Clone, Serialize, Deserialize)]\npub enum StrategyAction {\n /// Place a new buy order.\n Buy {\n quantity: Quantity,\n price: Option<Price>,\n },\n\n /// Place a new sell order.\n Sell {\n quantity: Quantity,\n price: Option<Price>,\n },\n\n /// Cancel an existing order.\n Cancel { order_id: OrderId },\n\n /// Modify an existing order's price.\n ModifyPrice {\n order_id: OrderId,\n new_price: Price,\n },\n\n /// Do nothing.\n Hold,\n}\n\nimpl StrategyAction {\n /// Creates a market buy action.\n #[must_use]\n pub fn market_buy(quantity: Quantity) -> Self {\n Self::Buy {\n quantity,\n price: None,\n }\n }\n\n /// Creates a limit buy action.\n #[must_use]\n pub fn limit_buy(quantity: Quantity, price: Price) -> Self {\n Self::Buy {\n quantity,\n price: Some(price),\n }\n }\n\n /// Creates a market sell action.\n #[must_use]\n pub fn market_sell(quantity: Quantity) -> Self {\n Self::Sell {\n quantity,\n price: None,\n }\n }\n\n /// Creates a limit sell action.\n #[must_use]\n pub fn limit_sell(quantity: Quantity, price: Price) -> Self {\n Self::Sell {\n quantity,\n price: Some(price),\n }\n }\n\n /// Creates a cancel action.\n #[must_use]\n pub fn cancel(order_id: OrderId) -> Self {\n Self::Cancel { order_id }\n }\n\n /// Creates a hold action.\n #[must_use]\n pub fn hold() -> Self {\n Self::Hold\n }\n\n /// Checks if this is a hold action.\n #[must_use]\n pub fn is_hold(&self) -> bool {\n matches!(self, Self::Hold)\n }\n}\n\n/// The decision made by a strategy, containing multiple possible actions.\n#[derive(Debug, Clone, Default)]\npub struct StrategyDecision {\n actions: Vec<StrategyAction>,\n reason: Option<String>,\n}\n\nimpl StrategyDecision {\n /// Creates a new empty decision.\n #[must_use]\n pub fn new() -> Self {\n Self {\n actions: Vec::new(),\n reason: None,\n }\n }\n\n /// Creates a decision with a single action.\n #[must_use]\n pub fn single(action: StrategyAction) -> Self {\n Self {\n actions: vec![action],\n reason: None,\n }\n }\n\n /// Creates a hold decision.\n #[must_use]\n pub fn hold() -> Self {\n Self::single(StrategyAction::Hold)\n }\n\n /// Creates a hold decision with a reason.\n #[must_use]\n pub fn hold_with_reason(reason: impl Into<String>) -> Self {\n Self {\n actions: vec![StrategyAction::Hold],\n reason: Some(reason.into()),\n }\n }\n\n /// Adds an action to the decision.\n pub fn add_action(&mut self, action: StrategyAction) {\n self.actions.push(action);\n }\n\n /// Sets the reason for the decision.\n pub fn with_reason(mut self, reason: impl Into<String>) -> Self {\n self.reason = Some(reason.into());\n self\n }\n\n /// Returns the actions.\n #[must_use]\n pub fn actions(&self) -> &[StrategyAction] {\n &self.actions\n }\n\n /// Returns the reason for the decision.\n #[must_use]\n pub fn reason(&self) -> Option<&str> {\n self.reason.as_deref()\n }\n\n /// Checks if this is a hold decision (no actions or only hold actions).\n #[must_use]\n pub fn is_hold(&self) -> bool {\n self.actions.is_empty() || self.actions.iter().all(StrategyAction::is_hold)\n }\n}\n\n/// Market state provided to the strategy for decision making.\n#[derive(Debug, Clone)]\npub struct MarketState {\n /// The instrument being traded.\n pub instrument: String,\n /// Current order book.\n pub order_book: OrderBook,\n /// Current position.\n pub position: Option<Position>,\n /// Active orders.\n pub active_orders: Vec<Order>,\n /// Available cash for trading.\n pub available_cash: rust_decimal::Decimal,\n /// Current timestamp.\n pub timestamp: chrono::DateTime<chrono::Utc>,\n}\n\n/// A trading strategy that makes decisions based on market state.\n#[async_trait]\npub trait Strategy: Send + Sync {\n /// Returns the name of the strategy.\n fn name(&self) -> &str;\n\n /// Makes a decision based on the current market state.\n async fn decide(&self, state: &MarketState) -> StrategyDecision;\n\n /// Called when an order is filled.\n async fn on_order_filled(&mut self, order: &Order);\n\n /// Called when an order is cancelled.\n async fn on_order_cancelled(&mut self, order: &Order);\n\n /// Resets the strategy state.\n async fn reset(&mut self);\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_strategy_action_creation() {\n let buy = StrategyAction::market_buy(Quantity::from_lots(10));\n assert!(matches!(buy, StrategyAction::Buy { price: None, .. }));\n\n let sell = StrategyAction::market_sell(Quantity::from_lots(5));\n assert!(matches!(sell, StrategyAction::Sell { price: None, .. }));\n }\n\n #[test]\n fn test_strategy_decision() {\n let mut decision = StrategyDecision::new();\n decision.add_action(StrategyAction::market_buy(Quantity::from_lots(10)));\n decision.add_action(StrategyAction::market_sell(Quantity::from_lots(5)));\n\n assert_eq!(decision.actions().len(), 2);\n assert!(!decision.is_hold());\n }\n\n #[test]\n fn test_hold_decision() {\n let decision = StrategyDecision::hold_with_reason(\"Market closed\");\n assert!(decision.is_hold());\n assert_eq!(decision.reason(), Some(\"Market closed\"));\n }\n}\n",
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"content": "//! Scalping trading strategy implementation.\n//!\n//! The scalping strategy aims to profit from small price movements through\n//! rapid buy-sell cycles. It places buy orders at the best bid price and\n//! sell orders at a price that ensures minimum profit.\n\nuse super::settings::TradingSettings;\nuse super::traits::{MarketState, Strategy, StrategyAction, StrategyDecision};\nuse crate::types::{Order, OrderSide, Price, Quantity};\nuse async_trait::async_trait;\nuse rust_decimal::Decimal;\nuse std::collections::HashMap;\nuse tracing::{debug, info, trace};\n\n/// Tracks lots owned and their purchase prices.\n#[derive(Debug, Clone, Default)]\nstruct OwnedLots {\n /// Maps purchase price to quantity at that price.\n lots_by_price: HashMap<String, (Price, Quantity)>,\n}\n\nimpl OwnedLots {\n fn new() -> Self {\n Self::default()\n }\n\n fn add(&mut self, price: Price, quantity: Quantity) {\n let key = price.value().to_string();\n let entry = self.lots_by_price.entry(key).or_insert((price, Quantity::zero()));\n entry.1 = entry.1.add(quantity);\n }\n\n fn remove(&mut self, quantity: Quantity) -> Option<Price> {\n // Remove from the lowest priced lots first (FIFO by price)\n let mut to_remove = quantity;\n let mut removed_price = None;\n\n let mut keys_to_update: Vec<(String, Quantity)> = Vec::new();\n\n // Sort keys by price to ensure FIFO\n let mut sorted_entries: Vec<_> = self.lots_by_price.iter().collect();\n sorted_entries.sort_by(|a, b| a.1 .0.value().cmp(&b.1 .0.value()));\n\n for (key, (price, qty)) in sorted_entries {\n if to_remove.is_zero() {\n break;\n }\n\n if *qty <= to_remove {\n to_remove = to_remove.subtract(*qty);\n keys_to_update.push((key.clone(), Quantity::zero()));\n } else {\n keys_to_update.push((key.clone(), qty.subtract(to_remove)));\n to_remove = Quantity::zero();\n }\n\n removed_price = Some(price.clone());\n }\n\n for (key, new_qty) in keys_to_update {\n if new_qty.is_zero() {\n self.lots_by_price.remove(&key);\n } else if let Some(entry) = self.lots_by_price.get_mut(&key) {\n entry.1 = new_qty;\n }\n }\n\n removed_price\n }\n\n fn total_quantity(&self) -> Quantity {\n self.lots_by_price\n .values()\n .fold(Quantity::zero(), |acc, (_, qty)| acc.add(*qty))\n }\n\n fn lowest_price(&self) -> Option<&Price> {\n self.lots_by_price\n .values()\n .min_by(|a, b| a.0.value().cmp(&b.0.value()))\n .map(|(price, _)| price)\n }\n\n fn clear(&mut self) {\n self.lots_by_price.clear();\n }\n}\n\n/// Scalping trading strategy.\n///\n/// This strategy implements a simple scalping approach:\n/// 1. Place buy orders at the best bid price when conditions are favorable\n/// 2. Track purchased lots and their prices\n/// 3. Place sell orders at a price that ensures minimum profit\n/// 4. Adjust orders as market conditions change\n#[derive(Debug)]\npub struct ScalpingStrategy {\n settings: TradingSettings,\n owned_lots: OwnedLots,\n active_buy_order: Option<String>,\n active_sell_orders: HashMap<String, Price>,\n}\n\nimpl ScalpingStrategy {\n /// Creates a new scalping strategy with the given settings.\n #[must_use]\n pub fn new(settings: TradingSettings) -> Self {\n Self {\n settings,\n owned_lots: OwnedLots::new(),\n active_buy_order: None,\n active_sell_orders: HashMap::new(),\n }\n }\n\n /// Returns the settings.\n #[must_use]\n pub fn settings(&self) -> &TradingSettings {\n &self.settings\n }\n\n /// Checks if we should place a buy order.\n fn should_buy(&self, state: &MarketState) -> bool {\n // Check if trading is enabled\n if !self.settings.enabled {\n trace!(\"Trading disabled\");\n return false;\n }\n\n // Check if we're within trading hours\n let current_time = state.timestamp.time();\n if !self.settings.is_trading_time(current_time) {\n trace!(\"Outside trading hours\");\n return false;\n }\n\n // Check if we already have a buy order\n if self.active_buy_order.is_some() {\n trace!(\"Already have active buy order\");\n return false;\n }\n\n // Check if we're at max position\n let current_position = self.owned_lots.total_quantity().as_lots();\n if current_position >= self.settings.max_position_lots {\n trace!(\"At max position: {}\", current_position);\n return false;\n }\n\n // Check market liquidity\n let bid_depth = state.order_book.bid_depth(self.settings.market_order_book_depth);\n if bid_depth.as_lots() < self.settings.minimum_market_order_size_to_buy {\n trace!(\"Insufficient bid liquidity: {}\", bid_depth.as_lots());\n return false;\n }\n\n // Check if we have enough cash\n if let Some(best_ask) = state.order_book.best_ask() {\n let lot_cost = best_ask.price().value() * Decimal::from(self.settings.lot_size);\n if state.available_cash < lot_cost {\n trace!(\n \"Insufficient cash: {} < {}\",\n state.available_cash,\n lot_cost\n );\n return false;\n }\n }\n\n true\n }\n\n /// Determines the buy price based on order book.\n fn get_buy_price(&self, state: &MarketState) -> Option<Price> {\n state.order_book.best_bid().map(|bid| bid.price().clone())\n }\n\n /// Calculates the sell price for owned lots.\n fn get_sell_price(&self, buy_price: &Price) -> Price {\n buy_price.add_step(self.settings.minimum_profit())\n }\n\n /// Checks if we should place a sell order for owned lots.\n fn should_sell(&self, state: &MarketState) -> bool {\n // Check if we have lots to sell\n if self.owned_lots.total_quantity().is_zero() {\n return false;\n }\n\n // Check market liquidity\n let ask_depth = state.order_book.ask_depth(self.settings.market_order_book_depth);\n if ask_depth.as_lots() < self.settings.minimum_market_order_size_to_sell {\n trace!(\"Insufficient ask liquidity: {}\", ask_depth.as_lots());\n return false;\n }\n\n true\n }\n\n /// Checks if we should adjust existing buy order price.\n fn should_adjust_buy_order(&self, state: &MarketState) -> Option<(String, Price)> {\n let order_id = self.active_buy_order.as_ref()?;\n\n // Find the current order\n let current_order = state\n .active_orders\n .iter()\n .find(|o| o.id().as_str() == order_id)?;\n\n let current_price = current_order.price()?;\n let best_bid = state.order_book.best_bid()?;\n\n // Check if best bid has changed and has enough liquidity\n if best_bid.price().value() != current_price.value() {\n let bid_depth = state.order_book.bid_depth(self.settings.market_order_book_depth);\n if bid_depth.as_lots() >= self.settings.minimum_market_order_size_to_change_buy_price {\n return Some((order_id.clone(), best_bid.price().clone()));\n }\n }\n\n None\n }\n\n /// Checks if we should adjust existing sell order price.\n fn should_adjust_sell_order(&self, state: &MarketState) -> Option<(String, Price)> {\n // Find a sell order that could be improved\n for (order_id, _target_price) in &self.active_sell_orders {\n let order = state\n .active_orders\n .iter()\n .find(|o| o.id().as_str() == order_id)?;\n\n let current_price = order.price()?;\n let best_ask = state.order_book.best_ask()?;\n\n // If best ask is lower than our sell price and still profitable\n if best_ask.price().value() < current_price.value() {\n if let Some(lowest_buy) = self.owned_lots.lowest_price() {\n let min_sell = self.get_sell_price(lowest_buy);\n if best_ask.price().value() >= min_sell.value() {\n let ask_depth = state.order_book.ask_depth(self.settings.market_order_book_depth);\n if ask_depth.as_lots() >= self.settings.minimum_market_order_size_to_change_sell_price {\n return Some((order_id.clone(), best_ask.price().clone()));\n }\n }\n }\n }\n }\n\n None\n }\n\n /// Creates actions for the current market state.\n fn create_actions(&self, state: &MarketState) -> StrategyDecision {\n let mut decision = StrategyDecision::new();\n\n // Check if we should adjust buy order\n if let Some((order_id, new_price)) = self.should_adjust_buy_order(state) {\n debug!(\n \"Adjusting buy order {} to price {}\",\n order_id,\n new_price.value()\n );\n decision.add_action(StrategyAction::Cancel {\n order_id: crate::types::OrderId::new(order_id),\n });\n decision.add_action(StrategyAction::limit_buy(\n Quantity::from_lots(self.settings.lot_size),\n new_price,\n ));\n return decision.with_reason(\"Adjusting buy order to new best bid\");\n }\n\n // Check if we should adjust sell order\n if let Some((order_id, new_price)) = self.should_adjust_sell_order(state) {\n debug!(\n \"Adjusting sell order {} to price {}\",\n order_id,\n new_price.value()\n );\n decision.add_action(StrategyAction::Cancel {\n order_id: crate::types::OrderId::new(order_id),\n });\n decision.add_action(StrategyAction::limit_sell(\n Quantity::from_lots(self.settings.lot_size),\n new_price,\n ));\n return decision.with_reason(\"Adjusting sell order to better price\");\n }\n\n // Check if we should place a new buy order\n if self.should_buy(state) {\n if let Some(buy_price) = self.get_buy_price(state) {\n debug!(\"Placing buy order at price {}\", buy_price.value());\n decision.add_action(StrategyAction::limit_buy(\n Quantity::from_lots(self.settings.lot_size),\n buy_price,\n ));\n return decision.with_reason(\"Placing new buy order at best bid\");\n }\n }\n\n // Check if we should place a sell order\n if self.should_sell(state) && self.active_sell_orders.is_empty() {\n if let Some(lowest_buy) = self.owned_lots.lowest_price() {\n let sell_price = self.get_sell_price(lowest_buy);\n debug!(\"Placing sell order at price {}\", sell_price.value());\n decision.add_action(StrategyAction::limit_sell(\n self.owned_lots.total_quantity(),\n sell_price,\n ));\n return decision.with_reason(\"Placing new sell order with minimum profit\");\n }\n }\n\n StrategyDecision::hold_with_reason(\"No action needed\")\n }\n}\n\n#[async_trait]\nimpl Strategy for ScalpingStrategy {\n fn name(&self) -> &str {\n \"Scalping Strategy\"\n }\n\n async fn decide(&self, state: &MarketState) -> StrategyDecision {\n trace!(\n \"Deciding for {} - position: {} lots, cash: {}\",\n state.instrument,\n state.position.as_ref().map_or(0, |p| p.quantity().as_lots()),\n state.available_cash\n );\n\n self.create_actions(state)\n }\n\n async fn on_order_filled(&mut self, order: &Order) {\n match order.side() {\n OrderSide::Buy => {\n // Add to owned lots\n if let Some(price) = order.price() {\n self.owned_lots.add(price.clone(), order.filled_quantity());\n info!(\n \"Bought {} lots at {} - total owned: {}\",\n order.filled_quantity(),\n price.value(),\n self.owned_lots.total_quantity()\n );\n }\n // Clear active buy order\n self.active_buy_order = None;\n }\n OrderSide::Sell => {\n // Remove from owned lots\n self.owned_lots.remove(order.filled_quantity());\n info!(\n \"Sold {} lots - remaining owned: {}\",\n order.filled_quantity(),\n self.owned_lots.total_quantity()\n );\n // Remove from active sell orders\n self.active_sell_orders.remove(order.id().as_str());\n }\n }\n }\n\n async fn on_order_cancelled(&mut self, order: &Order) {\n match order.side() {\n OrderSide::Buy => {\n if self.active_buy_order.as_ref().is_some_and(|id| id == order.id().as_str()) {\n self.active_buy_order = None;\n }\n }\n OrderSide::Sell => {\n self.active_sell_orders.remove(order.id().as_str());\n }\n }\n }\n\n async fn reset(&mut self) {\n self.owned_lots.clear();\n self.active_buy_order = None;\n self.active_sell_orders.clear();\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n use crate::types::{Currency, OrderBook, OrderBookLevel};\n\n fn create_test_settings() -> TradingSettings {\n TradingSettings::new(\"TEST\")\n .with_minimum_profit_steps(2)\n .with_price_step(Decimal::new(1, 2)) // 0.01\n .with_lot_size(1)\n .with_max_position(10)\n .with_min_order_size_to_buy(5)\n .with_min_order_size_to_sell(5)\n .with_order_book_depth(3)\n }\n\n fn create_test_order_book() -> OrderBook {\n let bids = vec![\n OrderBookLevel::new(\n Price::from_f64(99.99, Currency::usd()).unwrap(),\n Quantity::from_lots(100),\n 5,\n ),\n OrderBookLevel::new(\n Price::from_f64(99.98, Currency::usd()).unwrap(),\n Quantity::from_lots(200),\n 10,\n ),\n ];\n\n let asks = vec![\n OrderBookLevel::new(\n Price::from_f64(100.01, Currency::usd()).unwrap(),\n Quantity::from_lots(100),\n 5,\n ),\n OrderBookLevel::new(\n Price::from_f64(100.02, Currency::usd()).unwrap(),\n Quantity::from_lots(200),\n 10,\n ),\n ];\n\n OrderBook::with_levels(\"TEST\", bids, asks)\n }\n\n fn create_test_state() -> MarketState {\n MarketState {\n instrument: \"TEST\".to_string(),\n order_book: create_test_order_book(),\n position: None,\n active_orders: Vec::new(),\n available_cash: Decimal::from(10000),\n timestamp: chrono::Utc::now(),\n }\n }\n\n #[tokio::test]\n async fn test_strategy_creation() {\n let settings = create_test_settings();\n let strategy = ScalpingStrategy::new(settings);\n assert_eq!(strategy.name(), \"Scalping Strategy\");\n }\n\n #[tokio::test]\n async fn test_should_buy_with_liquidity() {\n let settings = create_test_settings();\n let strategy = ScalpingStrategy::new(settings);\n let state = create_test_state();\n\n let decision = strategy.decide(&state).await;\n assert!(!decision.is_hold());\n\n // Should suggest a buy action\n let has_buy = decision.actions().iter().any(|a| {\n matches!(a, StrategyAction::Buy { .. })\n });\n assert!(has_buy);\n }\n\n #[tokio::test]\n async fn test_should_not_buy_without_liquidity() {\n let settings = create_test_settings().with_min_order_size_to_buy(1000);\n let strategy = ScalpingStrategy::new(settings);\n let state = create_test_state();\n\n let decision = strategy.decide(&state).await;\n assert!(decision.is_hold());\n }\n\n #[tokio::test]\n async fn test_should_not_buy_without_cash() {\n let settings = create_test_settings();\n let strategy = ScalpingStrategy::new(settings);\n let mut state = create_test_state();\n state.available_cash = Decimal::ZERO;\n\n let decision = strategy.decide(&state).await;\n assert!(decision.is_hold());\n }\n\n #[tokio::test]\n async fn test_on_order_filled_buy() {\n let settings = create_test_settings();\n let mut strategy = ScalpingStrategy::new(settings);\n\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n let mut order = Order::limit(\"TEST\", OrderSide::Buy, Quantity::from_lots(5), price);\n order.submit();\n order.fill(Quantity::from_lots(5));\n\n strategy.on_order_filled(&order).await;\n\n assert_eq!(strategy.owned_lots.total_quantity().as_lots(), 5);\n }\n\n #[tokio::test]\n async fn test_on_order_filled_sell() {\n let settings = create_test_settings();\n let mut strategy = ScalpingStrategy::new(settings);\n\n // First add some lots\n let buy_price = Price::from_f64(100.0, Currency::usd()).unwrap();\n strategy.owned_lots.add(buy_price, Quantity::from_lots(10));\n\n // Now simulate a sell fill\n let sell_price = Price::from_f64(100.02, Currency::usd()).unwrap();\n let mut order = Order::limit(\"TEST\", OrderSide::Sell, Quantity::from_lots(5), sell_price);\n order.submit();\n order.fill(Quantity::from_lots(5));\n\n strategy.on_order_filled(&order).await;\n\n assert_eq!(strategy.owned_lots.total_quantity().as_lots(), 5);\n }\n\n #[tokio::test]\n async fn test_sell_price_calculation() {\n let settings = create_test_settings();\n let strategy = ScalpingStrategy::new(settings);\n\n let buy_price = Price::from_f64(100.0, Currency::usd()).unwrap();\n let sell_price = strategy.get_sell_price(&buy_price);\n\n // With 2 profit steps and 0.01 step size, sell should be 0.02 higher\n assert_eq!(sell_price.value(), Decimal::new(10002, 2)); // 100.02\n }\n\n #[tokio::test]\n async fn test_strategy_reset() {\n let settings = create_test_settings();\n let mut strategy = ScalpingStrategy::new(settings);\n\n // Add some state\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n strategy.owned_lots.add(price, Quantity::from_lots(10));\n strategy.active_buy_order = Some(\"test-order\".to_string());\n\n // Reset\n strategy.reset().await;\n\n assert!(strategy.owned_lots.total_quantity().is_zero());\n assert!(strategy.active_buy_order.is_none());\n assert!(strategy.active_sell_orders.is_empty());\n }\n\n #[test]\n fn test_owned_lots_fifo() {\n let mut lots = OwnedLots::new();\n\n // Add lots at different prices\n lots.add(\n Price::from_f64(100.0, Currency::usd()).unwrap(),\n Quantity::from_lots(5),\n );\n lots.add(\n Price::from_f64(101.0, Currency::usd()).unwrap(),\n Quantity::from_lots(5),\n );\n\n assert_eq!(lots.total_quantity().as_lots(), 10);\n\n // Remove should take from lowest price first\n lots.remove(Quantity::from_lots(3));\n assert_eq!(lots.total_quantity().as_lots(), 7);\n\n // Lowest price should still be 100 (but only 2 lots)\n let lowest = lots.lowest_price().unwrap();\n assert_eq!(lowest.value(), Decimal::from(100));\n }\n}\n"
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"content": "//! Scalping trading strategy implementation.\n//!\n//! The scalping strategy aims to profit from small price movements through\n//! rapid buy-sell cycles. It places buy orders at the best bid price and\n//! sell orders at a price that ensures minimum profit.\n\nuse super::settings::TradingSettings;\nuse super::traits::{MarketState, Strategy, StrategyAction, StrategyDecision};\nuse crate::types::{Order, OrderSide, Price, Quantity};\nuse async_trait::async_trait;\nuse rust_decimal::Decimal;\nuse std::collections::HashMap;\nuse tracing::{debug, info, trace};\n\n/// Tracks lots owned and their purchase prices.\n#[derive(Debug, Clone, Default)]\nstruct OwnedLots {\n /// Maps purchase price to quantity at that price.\n lots_by_price: HashMap<String, (Price, Quantity)>,\n}\n\nimpl OwnedLots {\n fn new() -> Self {\n Self::default()\n }\n\n fn add(&mut self, price: Price, quantity: Quantity) {\n let key = price.value().to_string();\n let entry = self.lots_by_price.entry(key).or_insert((price, Quantity::zero()));\n entry.1 = entry.1.add(quantity);\n }\n\n fn remove(&mut self, quantity: Quantity) -> Option<Price> {\n // Remove from the lowest priced lots first (FIFO by price)\n let mut to_remove = quantity;\n let mut removed_price = None;\n\n let mut keys_to_update: Vec<(String, Quantity)> = Vec::new();\n\n // Sort keys by price to ensure FIFO\n let mut sorted_entries: Vec<_> = self.lots_by_price.iter().collect();\n sorted_entries.sort_by(|a, b| a.1 .0.value().cmp(&b.1 .0.value()));\n\n for (key, (price, qty)) in sorted_entries {\n if to_remove.is_zero() {\n break;\n }\n\n if *qty <= to_remove {\n to_remove = to_remove.subtract(*qty);\n keys_to_update.push((key.clone(), Quantity::zero()));\n } else {\n keys_to_update.push((key.clone(), qty.subtract(to_remove)));\n to_remove = Quantity::zero();\n }\n\n removed_price = Some(price.clone());\n }\n\n for (key, new_qty) in keys_to_update {\n if new_qty.is_zero() {\n self.lots_by_price.remove(&key);\n } else if let Some(entry) = self.lots_by_price.get_mut(&key) {\n entry.1 = new_qty;\n }\n }\n\n removed_price\n }\n\n fn total_quantity(&self) -> Quantity {\n self.lots_by_price\n .values()\n .fold(Quantity::zero(), |acc, (_, qty)| acc.add(*qty))\n }\n\n fn lowest_price(&self) -> Option<&Price> {\n self.lots_by_price\n .values()\n .min_by(|a, b| a.0.value().cmp(&b.0.value()))\n .map(|(price, _)| price)\n }\n\n fn clear(&mut self) {\n self.lots_by_price.clear();\n }\n}\n\n/// Scalping trading strategy.\n///\n/// This strategy implements a simple scalping approach:\n/// 1. Place buy orders at the best bid price when conditions are favorable\n/// 2. Track purchased lots and their prices\n/// 3. Place sell orders at a price that ensures minimum profit\n/// 4. Adjust orders as market conditions change\n#[derive(Debug)]\npub struct ScalpingStrategy {\n settings: TradingSettings,\n owned_lots: OwnedLots,\n active_buy_order: Option<String>,\n active_sell_orders: HashMap<String, Price>,\n}\n\nimpl ScalpingStrategy {\n /// Creates a new scalping strategy with the given settings.\n #[must_use]\n pub fn new(settings: TradingSettings) -> Self {\n Self {\n settings,\n owned_lots: OwnedLots::new(),\n active_buy_order: None,\n active_sell_orders: HashMap::new(),\n }\n }\n\n /// Returns the settings.\n #[must_use]\n pub fn settings(&self) -> &TradingSettings {\n &self.settings\n }\n\n /// Checks if we should place a buy order.\n fn should_buy(&self, state: &MarketState) -> bool {\n // Check if trading is enabled\n if !self.settings.enabled {\n trace!(\"Trading disabled\");\n return false;\n }\n\n // Check if we're within trading hours\n let current_time = state.timestamp.time();\n if !self.settings.is_trading_time(current_time) {\n trace!(\"Outside trading hours\");\n return false;\n }\n\n // Check if we already have a buy order\n if self.active_buy_order.is_some() {\n trace!(\"Already have active buy order\");\n return false;\n }\n\n // Check if we're at max position\n let current_position = self.owned_lots.total_quantity().as_lots();\n if current_position >= self.settings.max_position_lots {\n trace!(\"At max position: {}\", current_position);\n return false;\n }\n\n // Check market liquidity\n let bid_depth = state.order_book.bid_depth(self.settings.market_order_book_depth);\n if bid_depth.as_lots() < self.settings.minimum_market_order_size_to_buy {\n trace!(\"Insufficient bid liquidity: {}\", bid_depth.as_lots());\n return false;\n }\n\n // Check if we have enough cash\n if let Some(best_ask) = state.order_book.best_ask() {\n let lot_cost = best_ask.price().value() * Decimal::from(self.settings.lot_size);\n if state.available_cash < lot_cost {\n trace!(\n \"Insufficient cash: {} < {}\",\n state.available_cash,\n lot_cost\n );\n return false;\n }\n }\n\n true\n }\n\n /// Determines the buy price based on order book.\n fn get_buy_price(&self, state: &MarketState) -> Option<Price> {\n state.order_book.best_bid().map(|bid| bid.price().clone())\n }\n\n /// Calculates the sell price for owned lots.\n fn get_sell_price(&self, buy_price: &Price) -> Price {\n buy_price.add_step(self.settings.minimum_profit())\n }\n\n /// Checks if we should place a sell order for owned lots.\n fn should_sell(&self, state: &MarketState) -> bool {\n // Check if we have lots to sell\n if self.owned_lots.total_quantity().is_zero() {\n return false;\n }\n\n // Check market liquidity\n let ask_depth = state.order_book.ask_depth(self.settings.market_order_book_depth);\n if ask_depth.as_lots() < self.settings.minimum_market_order_size_to_sell {\n trace!(\"Insufficient ask liquidity: {}\", ask_depth.as_lots());\n return false;\n }\n\n true\n }\n\n /// Checks if we should adjust existing buy order price.\n fn should_adjust_buy_order(&self, state: &MarketState) -> Option<(String, Price)> {\n let order_id = self.active_buy_order.as_ref()?;\n\n // Find the current order\n let current_order = state\n .active_orders\n .iter()\n .find(|o| o.id().as_str() == order_id)?;\n\n let current_price = current_order.price()?;\n let best_bid = state.order_book.best_bid()?;\n\n // Check if best bid has changed and has enough liquidity\n if best_bid.price().value() != current_price.value() {\n let bid_depth = state.order_book.bid_depth(self.settings.market_order_book_depth);\n if bid_depth.as_lots() >= self.settings.minimum_market_order_size_to_change_buy_price {\n return Some((order_id.clone(), best_bid.price().clone()));\n }\n }\n\n None\n }\n\n /// Checks if we should adjust existing sell order price.\n fn should_adjust_sell_order(&self, state: &MarketState) -> Option<(String, Price)> {\n // Find a sell order that could be improved\n for (order_id, _target_price) in &self.active_sell_orders {\n let order = state\n .active_orders\n .iter()\n .find(|o| o.id().as_str() == order_id)?;\n\n let current_price = order.price()?;\n let best_ask = state.order_book.best_ask()?;\n\n // If best ask is lower than our sell price and still profitable\n if best_ask.price().value() < current_price.value() {\n if let Some(lowest_buy) = self.owned_lots.lowest_price() {\n let min_sell = self.get_sell_price(lowest_buy);\n if best_ask.price().value() >= min_sell.value() {\n let ask_depth = state.order_book.ask_depth(self.settings.market_order_book_depth);\n if ask_depth.as_lots() >= self.settings.minimum_market_order_size_to_change_sell_price {\n return Some((order_id.clone(), best_ask.price().clone()));\n }\n }\n }\n }\n }\n\n None\n }\n\n /// Creates actions for the current market state.\n fn create_actions(&self, state: &MarketState) -> StrategyDecision {\n let mut decision = StrategyDecision::new();\n\n // Check if we should adjust buy order\n if let Some((order_id, new_price)) = self.should_adjust_buy_order(state) {\n debug!(\n \"Adjusting buy order {} to price {}\",\n order_id,\n new_price.value()\n );\n decision.add_action(StrategyAction::Cancel {\n order_id: crate::types::OrderId::new(order_id),\n });\n decision.add_action(StrategyAction::limit_buy(\n Quantity::from_lots(self.settings.lot_size),\n new_price,\n ));\n return decision.with_reason(\"Adjusting buy order to new best bid\");\n }\n\n // Check if we should adjust sell order\n if let Some((order_id, new_price)) = self.should_adjust_sell_order(state) {\n debug!(\n \"Adjusting sell order {} to price {}\",\n order_id,\n new_price.value()\n );\n decision.add_action(StrategyAction::Cancel {\n order_id: crate::types::OrderId::new(order_id),\n });\n decision.add_action(StrategyAction::limit_sell(\n Quantity::from_lots(self.settings.lot_size),\n new_price,\n ));\n return decision.with_reason(\"Adjusting sell order to better price\");\n }\n\n // Check if we should place a new buy order\n if self.should_buy(state) {\n if let Some(buy_price) = self.get_buy_price(state) {\n debug!(\"Placing buy order at price {}\", buy_price.value());\n decision.add_action(StrategyAction::limit_buy(\n Quantity::from_lots(self.settings.lot_size),\n buy_price,\n ));\n return decision.with_reason(\"Placing new buy order at best bid\");\n }\n }\n\n // Check if we should place a sell order\n if self.should_sell(state) && self.active_sell_orders.is_empty() {\n if let Some(lowest_buy) = self.owned_lots.lowest_price() {\n let sell_price = self.get_sell_price(lowest_buy);\n debug!(\"Placing sell order at price {}\", sell_price.value());\n decision.add_action(StrategyAction::limit_sell(\n self.owned_lots.total_quantity(),\n sell_price,\n ));\n return decision.with_reason(\"Placing new sell order with minimum profit\");\n }\n }\n\n StrategyDecision::hold_with_reason(\"No action needed\")\n }\n}\n\n#[async_trait]\nimpl Strategy for ScalpingStrategy {\n fn name(&self) -> &str {\n \"Scalping Strategy\"\n }\n\n async fn decide(&self, state: &MarketState) -> StrategyDecision {\n trace!(\n \"Deciding for {} - position: {} lots, cash: {}\",\n state.instrument,\n state.position.as_ref().map_or(0, |p| p.quantity().as_lots()),\n state.available_cash\n );\n\n self.create_actions(state)\n }\n\n async fn on_order_filled(&mut self, order: &Order) {\n match order.side() {\n OrderSide::Buy => {\n // Add to owned lots\n if let Some(price) = order.price() {\n self.owned_lots.add(price.clone(), order.filled_quantity());\n info!(\n \"Bought {} lots at {} - total owned: {}\",\n order.filled_quantity(),\n price.value(),\n self.owned_lots.total_quantity()\n );\n }\n // Clear active buy order\n self.active_buy_order = None;\n }\n OrderSide::Sell => {\n // Remove from owned lots\n self.owned_lots.remove(order.filled_quantity());\n info!(\n \"Sold {} lots - remaining owned: {}\",\n order.filled_quantity(),\n self.owned_lots.total_quantity()\n );\n // Remove from active sell orders\n self.active_sell_orders.remove(order.id().as_str());\n }\n }\n }\n\n async fn on_order_cancelled(&mut self, order: &Order) {\n match order.side() {\n OrderSide::Buy => {\n if self.active_buy_order.as_ref().is_some_and(|id| id == order.id().as_str()) {\n self.active_buy_order = None;\n }\n }\n OrderSide::Sell => {\n self.active_sell_orders.remove(order.id().as_str());\n }\n }\n }\n\n async fn reset(&mut self) {\n self.owned_lots.clear();\n self.active_buy_order = None;\n self.active_sell_orders.clear();\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n use crate::types::{Currency, OrderBook, OrderBookLevel};\n\n fn create_test_settings() -> TradingSettings {\n TradingSettings::new(\"TEST\")\n .with_minimum_profit_steps(2)\n .with_price_step(Decimal::new(1, 2)) // 0.01\n .with_lot_size(1)\n .with_max_position(10)\n .with_min_order_size_to_buy(5)\n .with_min_order_size_to_sell(5)\n .with_order_book_depth(3)\n }\n\n fn create_test_order_book() -> OrderBook {\n let bids = vec![\n OrderBookLevel::new(\n Price::from_f64(99.99, Currency::usd()).unwrap(),\n Quantity::from_lots(100),\n 5,\n ),\n OrderBookLevel::new(\n Price::from_f64(99.98, Currency::usd()).unwrap(),\n Quantity::from_lots(200),\n 10,\n ),\n ];\n\n let asks = vec![\n OrderBookLevel::new(\n Price::from_f64(100.01, Currency::usd()).unwrap(),\n Quantity::from_lots(100),\n 5,\n ),\n OrderBookLevel::new(\n Price::from_f64(100.02, Currency::usd()).unwrap(),\n Quantity::from_lots(200),\n 10,\n ),\n ];\n\n OrderBook::with_levels(\"TEST\", bids, asks)\n }\n\n fn create_test_state() -> MarketState {\n MarketState {\n instrument: \"TEST\".to_string(),\n order_book: create_test_order_book(),\n position: None,\n active_orders: Vec::new(),\n available_cash: Decimal::from(10000),\n timestamp: chrono::Utc::now(),\n }\n }\n\n #[tokio::test]\n async fn test_strategy_creation() {\n let settings = create_test_settings();\n let strategy = ScalpingStrategy::new(settings);\n assert_eq!(strategy.name(), \"Scalping Strategy\");\n }\n\n #[tokio::test]\n async fn test_should_buy_with_liquidity() {\n let settings = create_test_settings();\n let strategy = ScalpingStrategy::new(settings);\n let state = create_test_state();\n\n let decision = strategy.decide(&state).await;\n assert!(!decision.is_hold());\n\n // Should suggest a buy action\n let has_buy = decision.actions().iter().any(|a| {\n matches!(a, StrategyAction::Buy { .. })\n });\n assert!(has_buy);\n }\n\n #[tokio::test]\n async fn test_should_not_buy_without_liquidity() {\n let settings = create_test_settings().with_min_order_size_to_buy(1000);\n let strategy = ScalpingStrategy::new(settings);\n let state = create_test_state();\n\n let decision = strategy.decide(&state).await;\n assert!(decision.is_hold());\n }\n\n #[tokio::test]\n async fn test_should_not_buy_without_cash() {\n let settings = create_test_settings();\n let strategy = ScalpingStrategy::new(settings);\n let mut state = create_test_state();\n state.available_cash = Decimal::ZERO;\n\n let decision = strategy.decide(&state).await;\n assert!(decision.is_hold());\n }\n\n #[tokio::test]\n async fn test_on_order_filled_buy() {\n let settings = create_test_settings();\n let mut strategy = ScalpingStrategy::new(settings);\n\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n let mut order = Order::limit(\"TEST\", OrderSide::Buy, Quantity::from_lots(5), price);\n order.submit();\n order.fill(Quantity::from_lots(5));\n\n strategy.on_order_filled(&order).await;\n\n assert_eq!(strategy.owned_lots.total_quantity().as_lots(), 5);\n }\n\n #[tokio::test]\n async fn test_on_order_filled_sell() {\n let settings = create_test_settings();\n let mut strategy = ScalpingStrategy::new(settings);\n\n // First add some lots\n let buy_price = Price::from_f64(100.0, Currency::usd()).unwrap();\n strategy.owned_lots.add(buy_price, Quantity::from_lots(10));\n\n // Now simulate a sell fill\n let sell_price = Price::from_f64(100.02, Currency::usd()).unwrap();\n let mut order = Order::limit(\"TEST\", OrderSide::Sell, Quantity::from_lots(5), sell_price);\n order.submit();\n order.fill(Quantity::from_lots(5));\n\n strategy.on_order_filled(&order).await;\n\n assert_eq!(strategy.owned_lots.total_quantity().as_lots(), 5);\n }\n\n #[tokio::test]\n async fn test_sell_price_calculation() {\n let settings = create_test_settings();\n let strategy = ScalpingStrategy::new(settings);\n\n let buy_price = Price::from_f64(100.0, Currency::usd()).unwrap();\n let sell_price = strategy.get_sell_price(&buy_price);\n\n // With 2 profit steps and 0.01 step size, sell should be 0.02 higher\n assert_eq!(sell_price.value(), Decimal::new(10002, 2)); // 100.02\n }\n\n #[tokio::test]\n async fn test_strategy_reset() {\n let settings = create_test_settings();\n let mut strategy = ScalpingStrategy::new(settings);\n\n // Add some state\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n strategy.owned_lots.add(price, Quantity::from_lots(10));\n strategy.active_buy_order = Some(\"test-order\".to_string());\n\n // Reset\n strategy.reset().await;\n\n assert!(strategy.owned_lots.total_quantity().is_zero());\n assert!(strategy.active_buy_order.is_none());\n assert!(strategy.active_sell_orders.is_empty());\n }\n\n #[test]\n fn test_owned_lots_fifo() {\n let mut lots = OwnedLots::new();\n\n // Add lots at different prices\n lots.add(\n Price::from_f64(100.0, Currency::usd()).unwrap(),\n Quantity::from_lots(5),\n );\n lots.add(\n Price::from_f64(101.0, Currency::usd()).unwrap(),\n Quantity::from_lots(5),\n );\n\n assert_eq!(lots.total_quantity().as_lots(), 10);\n\n // Remove should take from lowest price first\n lots.remove(Quantity::from_lots(3));\n assert_eq!(lots.total_quantity().as_lots(), 7);\n\n // Lowest price should still be 100 (but only 2 lots)\n let lowest = lots.lowest_price().unwrap();\n assert_eq!(lowest.value(), Decimal::from(100));\n }\n}\n",
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[2025-12-29T13:15:52.728Z] [INFO] {
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"content": "//! Exchange adapters for connecting to real trading APIs.\n//!\n//! This module provides adapters for various exchanges and brokers:\n//! - T-Bank (formerly Tinkoff) - Russian broker\n//! - Binance - Cryptocurrency exchange\n//! - Interactive Brokers - International broker\n//!\n//! Each adapter implements the `Exchange` trait for unified interaction.\n\npub mod binance;\npub mod interactive_brokers;\npub mod tbank;\n\npub use binance::BinanceAdapter;\npub use interactive_brokers::InteractiveBrokersAdapter;\npub use tbank::TBankAdapter;\n"
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"content": "//! Exchange adapters for connecting to real trading APIs.\n//!\n//! This module provides adapters for various exchanges and brokers:\n//! - T-Bank (formerly Tinkoff) - Russian broker\n//! - Binance - Cryptocurrency exchange\n//! - Interactive Brokers - International broker\n//!\n//! Each adapter implements the `Exchange` trait for unified interaction.\n\npub mod binance;\npub mod interactive_brokers;\npub mod tbank;\n\npub use binance::BinanceAdapter;\npub use interactive_brokers::InteractiveBrokersAdapter;\npub use tbank::TBankAdapter;\n",
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[2025-12-29T13:16:32.822Z] [INFO] {
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"content": "//! T-Bank (formerly Tinkoff) exchange adapter.\n//!\n//! This module provides integration with the T-Bank Investment API.\n//!\n//! # Implementation Status\n//!\n//! This is currently a placeholder implementation. Full implementation requires:\n//! - T-Bank Invest API SDK integration\n//! - Authentication with API token\n//! - Real-time market data streaming\n//! - Order management\n//!\n//! # References\n//!\n//! - [T-Bank Invest API Documentation](https://tinkoff.github.io/investAPI/)\n//! - [tinkoff-invest-rust SDK](https://crates.io/crates/tinkoff-invest)\n\nuse crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\nuse crate::types::{Currency, Money, Order, OrderBook, OrderId, Position, Trade};\nuse async_trait::async_trait;\nuse std::collections::HashMap;\n\n/// Configuration for the T-Bank adapter.\n#[derive(Debug, Clone)]\npub struct TBankConfig {\n /// API token for authentication.\n pub token: String,\n /// Account ID to trade with.\n pub account_id: String,\n /// Whether to use the sandbox environment.\n pub sandbox: bool,\n}\n\nimpl TBankConfig {\n /// Creates a new configuration.\n #[must_use]\n pub fn new(token: impl Into<String>, account_id: impl Into<String>) -> Self {\n Self {\n token: token.into(),\n account_id: account_id.into(),\n sandbox: false,\n }\n }\n\n /// Creates a sandbox configuration for testing.\n #[must_use]\n pub fn sandbox(token: impl Into<String>, account_id: impl Into<String>) -> Self {\n Self {\n token: token.into(),\n account_id: account_id.into(),\n sandbox: true,\n }\n }\n}\n\n/// Adapter for T-Bank (formerly Tinkoff) Investment API.\n///\n/// This adapter provides access to the T-Bank trading platform,\n/// supporting stocks, ETFs, and bonds denominated in rubles.\n#[derive(Debug)]\npub struct TBankAdapter {\n config: TBankConfig,\n info: ExchangeInfo,\n connected: bool,\n}\n\nimpl TBankAdapter {\n /// Creates a new T-Bank adapter with the given configuration.\n #[must_use]\n pub fn new(config: TBankConfig) -> Self {\n let env_suffix = if config.sandbox { \" (Sandbox)\" } else { \"\" };\n Self {\n config,\n info: ExchangeInfo {\n name: format!(\"T-Bank Invest{env_suffix}\"),\n id: \"tbank\".to_string(),\n connected: false,\n instruments: Vec::new(),\n },\n connected: false,\n }\n }\n\n /// Returns the configuration.\n #[must_use]\n pub fn config(&self) -> &TBankConfig {\n &self.config\n }\n}\n\n#[async_trait]\nimpl MarketDataProvider for TBankAdapter {\n async fn connect(&mut self) -> Result<(), ExchangeError> {\n // TODO: Implement actual connection to T-Bank API\n // 1. Validate API token\n // 2. Establish gRPC connection\n // 3. Subscribe to market data streams\n\n tracing::info!(\"Connecting to T-Bank API...\");\n\n // Placeholder: Mark as connected\n self.connected = true;\n self.info.connected = true;\n\n Err(ExchangeError::ConfigurationError(\n \"T-Bank adapter not yet implemented. Please use the simulator for testing.\".to_string()\n ))\n }\n\n async fn disconnect(&mut self) -> Result<(), ExchangeError> {\n self.connected = false;\n self.info.connected = false;\n Ok(())\n }\n\n fn is_connected(&self) -> bool {\n self.connected\n }\n\n async fn get_order_book(&self, instrument: &str) -> Result<OrderBook, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order book fetching\n // Use tinkoff-invest-api::MarketDataService::GetOrderBook\n\n Err(ExchangeError::ConfigurationError(format!(\n \"Order book fetching for {} not yet implemented\",\n instrument\n )))\n }\n\n async fn get_instrument_info(&self, instrument: &str) -> Result<InstrumentInfo, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual instrument info fetching\n // Use tinkoff-invest-api::InstrumentsService\n\n Err(ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn list_instruments(&self) -> Result<Vec<InstrumentInfo>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(self.info.instruments.clone())\n }\n}\n\n#[async_trait]\nimpl OrderExecutor for TBankAdapter {\n async fn submit_order(&mut self, _order: Order) -> Result<Order, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order submission\n // Use tinkoff-invest-api::OrdersService::PostOrder\n\n Err(ExchangeError::ConfigurationError(\n \"Order submission not yet implemented\".to_string()\n ))\n }\n\n async fn cancel_order(&mut self, order_id: &OrderId) -> Result<(), ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order cancellation\n // Use tinkoff-invest-api::OrdersService::CancelOrder\n\n Err(ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn get_order(&self, order_id: &OrderId) -> Result<Order, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn list_active_orders(&self) -> Result<Vec<Order>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn list_orders_for_instrument(&self, _instrument: &str) -> Result<Vec<Order>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn get_positions(&self) -> Result<HashMap<String, Position>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(HashMap::new())\n }\n\n async fn get_position(&self, instrument: &str) -> Result<Position, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn get_balance(&self, currency: &Currency) -> Result<Money, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(currency.code().to_string()))\n }\n\n async fn get_balances(&self) -> Result<HashMap<Currency, Money>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(HashMap::new())\n }\n\n async fn get_trades(&self, _limit: usize) -> Result<Vec<Trade>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn get_trades_for_instrument(\n &self,\n _instrument: &str,\n _limit: usize,\n ) -> Result<Vec<Trade>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n}\n\n#[async_trait]\nimpl Exchange for TBankAdapter {\n fn info(&self) -> &ExchangeInfo {\n &self.info\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_config_creation() {\n let config = TBankConfig::new(\"test-token\", \"test-account\");\n assert_eq!(config.token, \"test-token\");\n assert_eq!(config.account_id, \"test-account\");\n assert!(!config.sandbox);\n }\n\n #[test]\n fn test_sandbox_config() {\n let config = TBankConfig::sandbox(\"test-token\", \"test-account\");\n assert!(config.sandbox);\n }\n\n #[test]\n fn test_adapter_creation() {\n let config = TBankConfig::new(\"test-token\", \"test-account\");\n let adapter = TBankAdapter::new(config);\n assert_eq!(adapter.info().id, \"tbank\");\n assert!(!adapter.is_connected());\n }\n\n #[tokio::test]\n async fn test_disconnect() {\n let config = TBankConfig::new(\"test-token\", \"test-account\");\n let mut adapter = TBankAdapter::new(config);\n\n // Disconnect should work even if not connected\n adapter.disconnect().await.unwrap();\n assert!(!adapter.is_connected());\n }\n}\n"
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"content": "//! T-Bank (formerly Tinkoff) exchange adapter.\n//!\n//! This module provides integration with the T-Bank Investment API.\n//!\n//! # Implementation Status\n//!\n//! This is currently a placeholder implementation. Full implementation requires:\n//! - T-Bank Invest API SDK integration\n//! - Authentication with API token\n//! - Real-time market data streaming\n//! - Order management\n//!\n//! # References\n//!\n//! - [T-Bank Invest API Documentation](https://tinkoff.github.io/investAPI/)\n//! - [tinkoff-invest-rust SDK](https://crates.io/crates/tinkoff-invest)\n\nuse crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\nuse crate::types::{Currency, Money, Order, OrderBook, OrderId, Position, Trade};\nuse async_trait::async_trait;\nuse std::collections::HashMap;\n\n/// Configuration for the T-Bank adapter.\n#[derive(Debug, Clone)]\npub struct TBankConfig {\n /// API token for authentication.\n pub token: String,\n /// Account ID to trade with.\n pub account_id: String,\n /// Whether to use the sandbox environment.\n pub sandbox: bool,\n}\n\nimpl TBankConfig {\n /// Creates a new configuration.\n #[must_use]\n pub fn new(token: impl Into<String>, account_id: impl Into<String>) -> Self {\n Self {\n token: token.into(),\n account_id: account_id.into(),\n sandbox: false,\n }\n }\n\n /// Creates a sandbox configuration for testing.\n #[must_use]\n pub fn sandbox(token: impl Into<String>, account_id: impl Into<String>) -> Self {\n Self {\n token: token.into(),\n account_id: account_id.into(),\n sandbox: true,\n }\n }\n}\n\n/// Adapter for T-Bank (formerly Tinkoff) Investment API.\n///\n/// This adapter provides access to the T-Bank trading platform,\n/// supporting stocks, ETFs, and bonds denominated in rubles.\n#[derive(Debug)]\npub struct TBankAdapter {\n config: TBankConfig,\n info: ExchangeInfo,\n connected: bool,\n}\n\nimpl TBankAdapter {\n /// Creates a new T-Bank adapter with the given configuration.\n #[must_use]\n pub fn new(config: TBankConfig) -> Self {\n let env_suffix = if config.sandbox { \" (Sandbox)\" } else { \"\" };\n Self {\n config,\n info: ExchangeInfo {\n name: format!(\"T-Bank Invest{env_suffix}\"),\n id: \"tbank\".to_string(),\n connected: false,\n instruments: Vec::new(),\n },\n connected: false,\n }\n }\n\n /// Returns the configuration.\n #[must_use]\n pub fn config(&self) -> &TBankConfig {\n &self.config\n }\n}\n\n#[async_trait]\nimpl MarketDataProvider for TBankAdapter {\n async fn connect(&mut self) -> Result<(), ExchangeError> {\n // TODO: Implement actual connection to T-Bank API\n // 1. Validate API token\n // 2. Establish gRPC connection\n // 3. Subscribe to market data streams\n\n tracing::info!(\"Connecting to T-Bank API...\");\n\n // Placeholder: Mark as connected\n self.connected = true;\n self.info.connected = true;\n\n Err(ExchangeError::ConfigurationError(\n \"T-Bank adapter not yet implemented. Please use the simulator for testing.\".to_string()\n ))\n }\n\n async fn disconnect(&mut self) -> Result<(), ExchangeError> {\n self.connected = false;\n self.info.connected = false;\n Ok(())\n }\n\n fn is_connected(&self) -> bool {\n self.connected\n }\n\n async fn get_order_book(&self, instrument: &str) -> Result<OrderBook, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order book fetching\n // Use tinkoff-invest-api::MarketDataService::GetOrderBook\n\n Err(ExchangeError::ConfigurationError(format!(\n \"Order book fetching for {} not yet implemented\",\n instrument\n )))\n }\n\n async fn get_instrument_info(&self, instrument: &str) -> Result<InstrumentInfo, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual instrument info fetching\n // Use tinkoff-invest-api::InstrumentsService\n\n Err(ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn list_instruments(&self) -> Result<Vec<InstrumentInfo>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(self.info.instruments.clone())\n }\n}\n\n#[async_trait]\nimpl OrderExecutor for TBankAdapter {\n async fn submit_order(&mut self, _order: Order) -> Result<Order, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order submission\n // Use tinkoff-invest-api::OrdersService::PostOrder\n\n Err(ExchangeError::ConfigurationError(\n \"Order submission not yet implemented\".to_string()\n ))\n }\n\n async fn cancel_order(&mut self, order_id: &OrderId) -> Result<(), ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order cancellation\n // Use tinkoff-invest-api::OrdersService::CancelOrder\n\n Err(ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn get_order(&self, order_id: &OrderId) -> Result<Order, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn list_active_orders(&self) -> Result<Vec<Order>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn list_orders_for_instrument(&self, _instrument: &str) -> Result<Vec<Order>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn get_positions(&self) -> Result<HashMap<String, Position>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(HashMap::new())\n }\n\n async fn get_position(&self, instrument: &str) -> Result<Position, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn get_balance(&self, currency: &Currency) -> Result<Money, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(currency.code().to_string()))\n }\n\n async fn get_balances(&self) -> Result<HashMap<Currency, Money>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(HashMap::new())\n }\n\n async fn get_trades(&self, _limit: usize) -> Result<Vec<Trade>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn get_trades_for_instrument(\n &self,\n _instrument: &str,\n _limit: usize,\n ) -> Result<Vec<Trade>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n}\n\n#[async_trait]\nimpl Exchange for TBankAdapter {\n fn info(&self) -> &ExchangeInfo {\n &self.info\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_config_creation() {\n let config = TBankConfig::new(\"test-token\", \"test-account\");\n assert_eq!(config.token, \"test-token\");\n assert_eq!(config.account_id, \"test-account\");\n assert!(!config.sandbox);\n }\n\n #[test]\n fn test_sandbox_config() {\n let config = TBankConfig::sandbox(\"test-token\", \"test-account\");\n assert!(config.sandbox);\n }\n\n #[test]\n fn test_adapter_creation() {\n let config = TBankConfig::new(\"test-token\", \"test-account\");\n 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"content": "//! Binance exchange adapter.\n//!\n//! This module provides integration with the Binance cryptocurrency exchange API.\n//!\n//! # Implementation Status\n//!\n//! This is currently a placeholder implementation. Full implementation requires:\n//! - Binance API SDK integration\n//! - API key and secret authentication\n//! - WebSocket market data streaming\n//! - Spot trading order management\n//!\n//! # References\n//!\n//! - [Binance API Documentation](https://binance-docs.github.io/apidocs/spot/en/)\n//! - [binance-rs SDK](https://crates.io/crates/binance)\n\nuse crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\nuse crate::types::{Currency, Money, Order, OrderBook, OrderId, Position, Trade};\nuse async_trait::async_trait;\nuse std::collections::HashMap;\n\n/// Configuration for the Binance adapter.\n#[derive(Debug, Clone)]\npub struct BinanceConfig {\n /// API key for authentication.\n pub api_key: String,\n /// API secret for signing requests.\n pub api_secret: String,\n /// Whether to use the testnet environment.\n pub testnet: bool,\n}\n\nimpl BinanceConfig {\n /// Creates a new configuration.\n #[must_use]\n pub fn new(api_key: impl Into<String>, api_secret: impl Into<String>) -> Self {\n Self {\n api_key: api_key.into(),\n api_secret: api_secret.into(),\n testnet: false,\n }\n }\n\n /// Creates a testnet configuration for testing.\n #[must_use]\n pub fn testnet(api_key: impl Into<String>, api_secret: impl Into<String>) -> Self {\n Self {\n api_key: api_key.into(),\n api_secret: api_secret.into(),\n testnet: true,\n }\n }\n}\n\n/// Adapter for the Binance cryptocurrency exchange.\n///\n/// This adapter provides access to Binance spot trading,\n/// supporting a wide variety of cryptocurrency pairs.\n#[derive(Debug)]\npub struct BinanceAdapter {\n config: BinanceConfig,\n info: ExchangeInfo,\n connected: bool,\n}\n\nimpl BinanceAdapter {\n /// Creates a new Binance adapter with the given configuration.\n #[must_use]\n pub fn new(config: BinanceConfig) -> Self {\n let env_suffix = if config.testnet { \" (Testnet)\" } else { \"\" };\n Self {\n config,\n info: ExchangeInfo {\n name: format!(\"Binance{env_suffix}\"),\n id: \"binance\".to_string(),\n connected: false,\n instruments: Vec::new(),\n },\n connected: false,\n }\n }\n\n /// Returns the configuration.\n #[must_use]\n pub fn config(&self) -> &BinanceConfig {\n &self.config\n }\n}\n\n#[async_trait]\nimpl MarketDataProvider for BinanceAdapter {\n async fn connect(&mut self) -> Result<(), ExchangeError> {\n // TODO: Implement actual connection to Binance API\n // 1. Validate API credentials\n // 2. Establish WebSocket connection for market data\n // 3. Fetch exchange info for instruments\n\n tracing::info!(\"Connecting to Binance API...\");\n\n Err(ExchangeError::ConfigurationError(\n \"Binance adapter not yet implemented. Please use the simulator for testing.\".to_string()\n ))\n }\n\n async fn disconnect(&mut self) -> Result<(), ExchangeError> {\n self.connected = false;\n self.info.connected = false;\n Ok(())\n }\n\n fn is_connected(&self) -> bool {\n self.connected\n }\n\n async fn get_order_book(&self, instrument: &str) -> Result<OrderBook, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order book fetching\n // Use GET /api/v3/depth\n\n Err(ExchangeError::ConfigurationError(format!(\n \"Order book fetching for {} not yet implemented\",\n instrument\n )))\n }\n\n async fn get_instrument_info(&self, instrument: &str) -> Result<InstrumentInfo, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn list_instruments(&self) -> Result<Vec<InstrumentInfo>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(self.info.instruments.clone())\n }\n}\n\n#[async_trait]\nimpl OrderExecutor for BinanceAdapter {\n async fn submit_order(&mut self, _order: Order) -> Result<Order, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order submission\n // Use POST /api/v3/order\n\n Err(ExchangeError::ConfigurationError(\n \"Order submission not yet implemented\".to_string()\n ))\n }\n\n async fn cancel_order(&mut self, order_id: &OrderId) -> Result<(), ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order cancellation\n // Use DELETE /api/v3/order\n\n Err(ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn get_order(&self, order_id: &OrderId) -> Result<Order, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn list_active_orders(&self) -> Result<Vec<Order>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn list_orders_for_instrument(&self, _instrument: &str) -> Result<Vec<Order>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn get_positions(&self) -> Result<HashMap<String, Position>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(HashMap::new())\n }\n\n async fn get_position(&self, instrument: &str) -> Result<Position, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn get_balance(&self, currency: &Currency) -> Result<Money, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(currency.code().to_string()))\n }\n\n async fn get_balances(&self) -> Result<HashMap<Currency, Money>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(HashMap::new())\n }\n\n async fn get_trades(&self, _limit: usize) -> Result<Vec<Trade>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn get_trades_for_instrument(\n &self,\n _instrument: &str,\n _limit: usize,\n ) -> Result<Vec<Trade>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n}\n\n#[async_trait]\nimpl Exchange for BinanceAdapter {\n fn info(&self) -> &ExchangeInfo {\n &self.info\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_config_creation() {\n let config = BinanceConfig::new(\"api-key\", \"api-secret\");\n assert_eq!(config.api_key, \"api-key\");\n assert_eq!(config.api_secret, \"api-secret\");\n assert!(!config.testnet);\n }\n\n #[test]\n fn test_testnet_config() {\n let config = BinanceConfig::testnet(\"api-key\", \"api-secret\");\n assert!(config.testnet);\n }\n\n #[test]\n fn test_adapter_creation() {\n let config = BinanceConfig::new(\"api-key\", \"api-secret\");\n let adapter = BinanceAdapter::new(config);\n assert_eq!(adapter.info().id, \"binance\");\n assert!(!adapter.is_connected());\n }\n\n #[tokio::test]\n async fn test_disconnect() {\n let config = BinanceConfig::new(\"api-key\", \"api-secret\");\n let mut adapter = BinanceAdapter::new(config);\n\n adapter.disconnect().await.unwrap();\n assert!(!adapter.is_connected());\n }\n}\n"
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"content": "//! Binance exchange adapter.\n//!\n//! This module provides integration with the Binance cryptocurrency exchange API.\n//!\n//! # Implementation Status\n//!\n//! This is currently a placeholder implementation. Full implementation requires:\n//! - Binance API SDK integration\n//! - API key and secret authentication\n//! - WebSocket market data streaming\n//! - Spot trading order management\n//!\n//! # References\n//!\n//! - [Binance API Documentation](https://binance-docs.github.io/apidocs/spot/en/)\n//! - [binance-rs SDK](https://crates.io/crates/binance)\n\nuse crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\nuse crate::types::{Currency, Money, Order, OrderBook, OrderId, Position, Trade};\nuse async_trait::async_trait;\nuse std::collections::HashMap;\n\n/// Configuration for the Binance adapter.\n#[derive(Debug, Clone)]\npub struct BinanceConfig {\n /// API key for authentication.\n pub api_key: String,\n /// API secret for signing requests.\n pub api_secret: String,\n /// Whether to use the testnet environment.\n pub testnet: bool,\n}\n\nimpl BinanceConfig {\n /// Creates a new configuration.\n #[must_use]\n pub fn new(api_key: impl Into<String>, api_secret: impl Into<String>) -> Self {\n Self {\n api_key: api_key.into(),\n api_secret: api_secret.into(),\n testnet: false,\n }\n }\n\n /// Creates a testnet configuration for testing.\n #[must_use]\n pub fn testnet(api_key: impl Into<String>, api_secret: impl Into<String>) -> Self {\n Self {\n api_key: api_key.into(),\n api_secret: api_secret.into(),\n testnet: true,\n }\n }\n}\n\n/// Adapter for the Binance cryptocurrency exchange.\n///\n/// This adapter provides access to Binance spot trading,\n/// supporting a wide variety of cryptocurrency pairs.\n#[derive(Debug)]\npub struct BinanceAdapter {\n config: BinanceConfig,\n info: ExchangeInfo,\n connected: bool,\n}\n\nimpl BinanceAdapter {\n /// Creates a new Binance adapter with the given configuration.\n #[must_use]\n pub fn new(config: BinanceConfig) -> Self {\n let env_suffix = if config.testnet { \" (Testnet)\" } else { \"\" };\n Self {\n config,\n info: ExchangeInfo {\n name: format!(\"Binance{env_suffix}\"),\n id: \"binance\".to_string(),\n connected: false,\n instruments: Vec::new(),\n },\n connected: false,\n }\n }\n\n /// Returns the configuration.\n #[must_use]\n pub fn config(&self) -> &BinanceConfig {\n &self.config\n }\n}\n\n#[async_trait]\nimpl MarketDataProvider for BinanceAdapter {\n async fn connect(&mut self) -> Result<(), ExchangeError> {\n // TODO: Implement actual connection to Binance API\n // 1. Validate API credentials\n // 2. Establish WebSocket connection for market data\n // 3. Fetch exchange info for instruments\n\n tracing::info!(\"Connecting to Binance API...\");\n\n Err(ExchangeError::ConfigurationError(\n \"Binance adapter not yet implemented. Please use the simulator for testing.\".to_string()\n ))\n }\n\n async fn disconnect(&mut self) -> Result<(), ExchangeError> {\n self.connected = false;\n self.info.connected = false;\n Ok(())\n }\n\n fn is_connected(&self) -> bool {\n self.connected\n }\n\n async fn get_order_book(&self, instrument: &str) -> Result<OrderBook, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order book fetching\n // Use GET /api/v3/depth\n\n Err(ExchangeError::ConfigurationError(format!(\n \"Order book fetching for {} not yet implemented\",\n instrument\n )))\n }\n\n async fn get_instrument_info(&self, instrument: &str) -> Result<InstrumentInfo, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn list_instruments(&self) -> Result<Vec<InstrumentInfo>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(self.info.instruments.clone())\n }\n}\n\n#[async_trait]\nimpl OrderExecutor for BinanceAdapter {\n async fn submit_order(&mut self, _order: Order) -> Result<Order, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order submission\n // Use POST /api/v3/order\n\n Err(ExchangeError::ConfigurationError(\n \"Order submission not yet implemented\".to_string()\n ))\n }\n\n async fn cancel_order(&mut self, order_id: &OrderId) -> Result<(), ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order cancellation\n // Use DELETE /api/v3/order\n\n Err(ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn get_order(&self, order_id: &OrderId) -> Result<Order, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn list_active_orders(&self) -> Result<Vec<Order>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn list_orders_for_instrument(&self, _instrument: &str) -> Result<Vec<Order>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn get_positions(&self) -> Result<HashMap<String, Position>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(HashMap::new())\n }\n\n async fn get_position(&self, instrument: &str) -> Result<Position, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn get_balance(&self, currency: &Currency) -> Result<Money, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(currency.code().to_string()))\n }\n\n async fn get_balances(&self) -> Result<HashMap<Currency, Money>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(HashMap::new())\n }\n\n async fn get_trades(&self, _limit: usize) -> Result<Vec<Trade>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn get_trades_for_instrument(\n &self,\n _instrument: &str,\n _limit: usize,\n ) -> Result<Vec<Trade>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n}\n\n#[async_trait]\nimpl Exchange for BinanceAdapter {\n fn info(&self) -> &ExchangeInfo {\n &self.info\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_config_creation() {\n let config = BinanceConfig::new(\"api-key\", \"api-secret\");\n assert_eq!(config.api_key, \"api-key\");\n assert_eq!(config.api_secret, \"api-secret\");\n assert!(!config.testnet);\n }\n\n #[test]\n fn test_testnet_config() {\n let config = BinanceConfig::testnet(\"api-key\", \"api-secret\");\n assert!(config.testnet);\n }\n\n #[test]\n fn test_adapter_creation() {\n let config = BinanceConfig::new(\"api-key\", \"api-secret\");\n let adapter = BinanceAdapter::new(config);\n assert_eq!(adapter.info().id, \"binance\");\n assert!(!adapter.is_connected());\n }\n\n #[tokio::test]\n async fn test_disconnect() {\n let config = BinanceConfig::new(\"api-key\", \"api-secret\");\n let mut adapter = BinanceAdapter::new(config);\n\n adapter.disconnect().await.unwrap();\n assert!(!adapter.is_connected());\n }\n}\n",
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"content": "//! Interactive Brokers adapter.\n//!\n//! This module provides integration with the Interactive Brokers TWS/Gateway API.\n//!\n//! # Implementation Status\n//!\n//! This is currently a placeholder implementation. Full implementation requires:\n//! - IB TWS API SDK integration\n//! - Client ID configuration\n//! - Real-time market data subscription\n//! - Multi-asset order management\n//!\n//! # References\n//!\n//! - [Interactive Brokers API Documentation](https://interactivebrokers.github.io/tws-api/)\n//! - [ibapi-rs SDK](https://crates.io/crates/ibapi)\n\nuse crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\nuse crate::types::{Currency, Money, Order, OrderBook, OrderId, Position, Trade};\nuse async_trait::async_trait;\nuse std::collections::HashMap;\n\n/// Configuration for the Interactive Brokers adapter.\n#[derive(Debug, Clone)]\npub struct Inter**************onfig {\n /// Host address of TWS/Gateway.\n pub host: String,\n /// Port number of TWS/Gateway.\n pub port: u16,\n /// Client ID for the connection.\n pub client_id: i32,\n}\n\nimpl Inter**************onfig {\n /// Creates a new configuration.\n #[must_use]\n pub fn new(host: impl Into<String>, port: u16, client_id: i32) -> Self {\n Self {\n host: host.into(),\n port,\n client_id,\n }\n }\n\n /// Creates a configuration for connecting to TWS on localhost.\n #[must_use]\n pub fn tws_local(client_id: i32) -> Self {\n Self {\n host: \"127.0.0.1\".to_string(),\n port: 7496,\n client_id,\n }\n }\n\n /// Creates a configuration for connecting to IB Gateway on localhost.\n #[must_use]\n pub fn gateway_local(client_id: i32) -> Self {\n Self {\n host: \"127.0.0.1\".to_string(),\n port: 4001,\n client_id,\n }\n }\n\n /// Creates a configuration for paper trading via TWS.\n #[must_use]\n pub fn tws_paper(client_id: i32) -> Self {\n Self {\n host: \"127.0.0.1\".to_string(),\n port: 7497, // Paper trading port\n client_id,\n }\n }\n}\n\n/// Adapter for Interactive Brokers TWS/Gateway API.\n///\n/// This adapter provides access to Interactive Brokers,\n/// supporting stocks, options, futures, forex, and more\n/// across multiple global exchanges.\n#[derive(Debug)]\npub struct Inter***************apter {\n config: InteractiveBrokersConfig,\n info: ExchangeInfo,\n connected: bool,\n}\n\nimpl Inter***************apter {\n /// Creates a new Interactive Brokers adapter with the given configuration.\n #[must_use]\n pub fn new(config: InteractiveBrokersConfig) -> Self {\n Self {\n config,\n info: ExchangeInfo {\n name: \"Interactive Brokers\".to_string(),\n id: \"ibkr\".to_string(),\n connected: false,\n instruments: Vec::new(),\n },\n connected: false,\n }\n }\n\n /// Returns the configuration.\n #[must_use]\n pub fn config(&self) -> &InteractiveBrokersConfig {\n &self.config\n }\n}\n\n#[async_trait]\nimpl MarketDataProvider for Inter***************apter {\n async fn connect(&mut self) -> Result<(), ExchangeError> {\n // TODO: Implement actual connection to TWS/Gateway\n // 1. Connect to TWS/Gateway socket\n // 2. Authenticate with client ID\n // 3. Subscribe to market data\n\n tracing::info!(\n \"Connecting to Interactive Brokers at {}:{}...\",\n self.config.host,\n self.config.port\n );\n\n Err(ExchangeError::ConfigurationError(\n \"Interactive Brokers adapter not yet implemented. Please use the simulator for testing.\".to_string()\n ))\n }\n\n async fn disconnect(&mut self) -> Result<(), ExchangeError> {\n self.connected = false;\n self.info.connected = false;\n Ok(())\n }\n\n fn is_connected(&self) -> bool {\n self.connected\n }\n\n async fn get_order_book(&self, instrument: &str) -> Result<OrderBook, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order book fetching\n // Use reqMktDepth\n\n Err(ExchangeError::ConfigurationError(format!(\n \"Order book fetching for {} not yet implemented\",\n instrument\n )))\n }\n\n async fn get_instrument_info(&self, instrument: &str) -> Result<InstrumentInfo, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn list_instruments(&self) -> Result<Vec<InstrumentInfo>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(self.info.instruments.clone())\n }\n}\n\n#[async_trait]\nimpl OrderExecutor for Inter***************apter {\n async fn submit_order(&mut self, _order: Order) -> Result<Order, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order submission\n // Use placeOrder\n\n Err(ExchangeError::ConfigurationError(\n \"Order submission not yet implemented\".to_string()\n ))\n }\n\n async fn cancel_order(&mut self, order_id: &OrderId) -> Result<(), ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order cancellation\n // Use cancelOrder\n\n Err(ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn get_order(&self, order_id: &OrderId) -> Result<Order, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn list_active_orders(&self) -> Result<Vec<Order>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn list_orders_for_instrument(&self, _instrument: &str) -> Result<Vec<Order>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn get_positions(&self) -> Result<HashMap<String, Position>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(HashMap::new())\n }\n\n async fn get_position(&self, instrument: &str) -> Result<Position, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn get_balance(&self, currency: &Currency) -> Result<Money, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(currency.code().to_string()))\n }\n\n async fn get_balances(&self) -> Result<HashMap<Currency, Money>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(HashMap::new())\n }\n\n async fn get_trades(&self, _limit: usize) -> Result<Vec<Trade>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn get_trades_for_instrument(\n &self,\n _instrument: &str,\n _limit: usize,\n ) -> Result<Vec<Trade>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n}\n\n#[async_trait]\nimpl Exchange for Inter***************apter {\n fn info(&self) -> &ExchangeInfo {\n &self.info\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_config_creation() {\n let config = InteractiveBrokersConfig::new(\"localhost\", 7496, 1);\n assert_eq!(config.host, \"localhost\");\n assert_eq!(config.port, 7496);\n assert_eq!(config.client_id, 1);\n }\n\n #[test]\n fn test_tws_local_config() {\n let config = InteractiveBrokersConfig::tws_local(1);\n assert_eq!(config.host, \"127.0.0.1\");\n assert_eq!(config.port, 7496);\n }\n\n #[test]\n fn test_gateway_local_config() {\n let config = InteractiveBrokersConfig::gateway_local(1);\n assert_eq!(config.port, 4001);\n }\n\n #[test]\n fn test_paper_config() {\n let config = InteractiveBrokersConfig::tws_paper(1);\n assert_eq!(config.port, 7497);\n }\n\n #[test]\n fn test_adapter_creation() {\n let config = InteractiveBrokersConfig::tws_local(1);\n let adapter = InteractiveBrokersAdapter::new(config);\n assert_eq!(adapter.info().id, \"ibkr\");\n assert!(!adapter.is_connected());\n }\n\n #[tokio::test]\n async fn test_disconnect() {\n let config = InteractiveBrokersConfig::tws_local(1);\n let mut adapter = InteractiveBrokersAdapter::new(config);\n\n adapter.disconnect().await.unwrap();\n assert!(!adapter.is_connected());\n }\n}\n"
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"content": "//! Interactive Brokers adapter.\n//!\n//! This module provides integration with the Interactive Brokers TWS/Gateway API.\n//!\n//! # Implementation Status\n//!\n//! This is currently a placeholder implementation. Full implementation requires:\n//! - IB TWS API SDK integration\n//! - Client ID configuration\n//! - Real-time market data subscription\n//! - Multi-asset order management\n//!\n//! # References\n//!\n//! - [Interactive Brokers API Documentation](https://interactivebrokers.github.io/tws-api/)\n//! - [ibapi-rs SDK](https://crates.io/crates/ibapi)\n\nuse crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\nuse crate::types::{Currency, Money, Order, OrderBook, OrderId, Position, Trade};\nuse async_trait::async_trait;\nuse std::collections::HashMap;\n\n/// Configuration for the Interactive Brokers adapter.\n#[derive(Debug, Clone)]\npub struct Inter**************onfig {\n /// Host address of TWS/Gateway.\n pub host: String,\n /// Port number of TWS/Gateway.\n pub port: u16,\n /// Client ID for the connection.\n pub client_id: i32,\n}\n\nimpl Inter**************onfig {\n /// Creates a new configuration.\n #[must_use]\n pub fn new(host: impl Into<String>, port: u16, client_id: i32) -> Self {\n Self {\n host: host.into(),\n port,\n client_id,\n }\n }\n\n /// Creates a configuration for connecting to TWS on localhost.\n #[must_use]\n pub fn tws_local(client_id: i32) -> Self {\n Self {\n host: \"127.0.0.1\".to_string(),\n port: 7496,\n client_id,\n }\n }\n\n /// Creates a configuration for connecting to IB Gateway on localhost.\n #[must_use]\n pub fn gateway_local(client_id: i32) -> Self {\n Self {\n host: \"127.0.0.1\".to_string(),\n port: 4001,\n client_id,\n }\n }\n\n /// Creates a configuration for paper trading via TWS.\n #[must_use]\n pub fn tws_paper(client_id: i32) -> Self {\n Self {\n host: \"127.0.0.1\".to_string(),\n port: 7497, // Paper trading port\n client_id,\n }\n }\n}\n\n/// Adapter for Interactive Brokers TWS/Gateway API.\n///\n/// This adapter provides access to Interactive Brokers,\n/// supporting stocks, options, futures, forex, and more\n/// across multiple global exchanges.\n#[derive(Debug)]\npub struct Inter***************apter {\n config: InteractiveBrokersConfig,\n info: ExchangeInfo,\n connected: bool,\n}\n\nimpl Inter***************apter {\n /// Creates a new Interactive Brokers adapter with the given configuration.\n #[must_use]\n pub fn new(config: InteractiveBrokersConfig) -> Self {\n Self {\n config,\n info: ExchangeInfo {\n name: \"Interactive Brokers\".to_string(),\n id: \"ibkr\".to_string(),\n connected: false,\n instruments: Vec::new(),\n },\n connected: false,\n }\n }\n\n /// Returns the configuration.\n #[must_use]\n pub fn config(&self) -> &InteractiveBrokersConfig {\n &self.config\n }\n}\n\n#[async_trait]\nimpl MarketDataProvider for Inter***************apter {\n async fn connect(&mut self) -> Result<(), ExchangeError> {\n // TODO: Implement actual connection to TWS/Gateway\n // 1. Connect to TWS/Gateway socket\n // 2. Authenticate with client ID\n // 3. Subscribe to market data\n\n tracing::info!(\n \"Connecting to Interactive Brokers at {}:{}...\",\n self.config.host,\n self.config.port\n );\n\n Err(ExchangeError::ConfigurationError(\n \"Interactive Brokers adapter not yet implemented. Please use the simulator for testing.\".to_string()\n ))\n }\n\n async fn disconnect(&mut self) -> Result<(), ExchangeError> {\n self.connected = false;\n self.info.connected = false;\n Ok(())\n }\n\n fn is_connected(&self) -> bool {\n self.connected\n }\n\n async fn get_order_book(&self, instrument: &str) -> Result<OrderBook, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order book fetching\n // Use reqMktDepth\n\n Err(ExchangeError::ConfigurationError(format!(\n \"Order book fetching for {} not yet implemented\",\n instrument\n )))\n }\n\n async fn get_instrument_info(&self, instrument: &str) -> Result<InstrumentInfo, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn list_instruments(&self) -> Result<Vec<InstrumentInfo>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(self.info.instruments.clone())\n }\n}\n\n#[async_trait]\nimpl OrderExecutor for Inter***************apter {\n async fn submit_order(&mut self, _order: Order) -> Result<Order, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order submission\n // Use placeOrder\n\n Err(ExchangeError::ConfigurationError(\n \"Order submission not yet implemented\".to_string()\n ))\n }\n\n async fn cancel_order(&mut self, order_id: &OrderId) -> Result<(), ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n // TODO: Implement actual order cancellation\n // Use cancelOrder\n\n Err(ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn get_order(&self, order_id: &OrderId) -> Result<Order, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn list_active_orders(&self) -> Result<Vec<Order>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn list_orders_for_instrument(&self, _instrument: &str) -> Result<Vec<Order>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn get_positions(&self) -> Result<HashMap<String, Position>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(HashMap::new())\n }\n\n async fn get_position(&self, instrument: &str) -> Result<Position, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn get_balance(&self, currency: &Currency) -> Result<Money, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Err(ExchangeError::InstrumentNotFound(currency.code().to_string()))\n }\n\n async fn get_balances(&self) -> Result<HashMap<Currency, Money>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(HashMap::new())\n }\n\n async fn get_trades(&self, _limit: usize) -> Result<Vec<Trade>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n\n async fn get_trades_for_instrument(\n &self,\n _instrument: &str,\n _limit: usize,\n ) -> Result<Vec<Trade>, ExchangeError> {\n if !self.connected {\n return Err(ExchangeError::ConnectionFailed(\"Not connected\".to_string()));\n }\n\n Ok(Vec::new())\n }\n}\n\n#[async_trait]\nimpl Exchange for Inter***************apter {\n fn info(&self) -> &ExchangeInfo {\n &self.info\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n #[test]\n fn test_config_creation() {\n let config = InteractiveBrokersConfig::new(\"localhost\", 7496, 1);\n assert_eq!(config.host, \"localhost\");\n assert_eq!(config.port, 7496);\n assert_eq!(config.client_id, 1);\n }\n\n #[test]\n fn test_tws_local_config() {\n let config = InteractiveBrokersConfig::tws_local(1);\n assert_eq!(config.host, \"127.0.0.1\");\n assert_eq!(config.port, 7496);\n }\n\n #[test]\n fn test_gateway_local_config() {\n let config = InteractiveBrokersConfig::gateway_local(1);\n assert_eq!(config.port, 4001);\n }\n\n #[test]\n fn test_paper_config() {\n let config = InteractiveBrokersConfig::tws_paper(1);\n assert_eq!(config.port, 7497);\n }\n\n #[test]\n fn test_adapter_creation() {\n let config = InteractiveBrokersConfig::tws_local(1);\n let adapter = InteractiveBrokersAdapter::new(config);\n assert_eq!(adapter.info().id, \"ibkr\");\n assert!(!adapter.is_connected());\n }\n\n #[tokio::test]\n async fn test_disconnect() {\n let config = InteractiveBrokersConfig::tws_local(1);\n let mut adapter = InteractiveBrokersAdapter::new(config);\n\n adapter.disconnect().await.unwrap();\n assert!(!adapter.is_connected());\n }\n}\n",
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"content": "//! Scalper Trader Bot - A Rust-based automated trading bot.\n//!\n//! This library provides a comprehensive trading bot framework with:\n//! - Multi-exchange support through a unified abstraction layer\n//! - Market simulator for backtesting and testing strategies\n//! - Scalping trading strategy implementation\n//! - Support for T-Bank, Binance, and Interactive Brokers\n//!\n//! # Architecture\n//!\n//! The crate is organized into several modules:\n//!\n//! - [`types`]: Core domain types (Money, Price, Order, Position, Trade)\n//! - [`exchange`]: Exchange abstraction traits and error types\n//! - [`simulator`]: Market simulator for testing and backtesting\n//! - [`strategy`]: Trading strategies including the scalping strategy\n//! - [`adapters`]: Exchange-specific implementations\n//!\n//! # Example\n//!\n//! ```rust\n//! use scalper_trader_bot::simulator::{SimulatorEngine, SimulatedMarketConfig};\n//! use scalper_trader_bot::strategy::{ScalpingStrategy, TradingSettings};\n//! use scalper_trader_bot::types::Currency;\n//! use rust_decimal::Decimal;\n//!\n//! #[tokio::main]\n//! async fn main() {\n//! // Create a simulated market\n//! let mut engine = SimulatorEngine::new();\n//! engine.add_market(SimulatedMarketConfig {\n//! symbol: \"TEST\".to_string(),\n//! currency: Currency::usd(),\n//! initial_price: Decimal::from(100),\n//! ..Default::default()\n//! });\n//! engine.add_balance(Currency::usd(), Decimal::from(10000));\n//!\n//! // Create a scalping strategy\n//! let settings = TradingSettings::new(\"TEST\")\n//! .with_minimum_profit_steps(2)\n//! .with_max_position(10);\n//! let strategy = ScalpingStrategy::new(settings);\n//!\n//! println!(\"Strategy: {}\", strategy.name());\n//! }\n//! ```\n//!\n//! # Testing\n//!\n//! The library is designed for comprehensive testing:\n//!\n//! - Unit tests for all modules\n//! - Integration tests using the market simulator\n//! - Support for backtesting against historical data\n//!\n//! # Code Architecture Principles\n//!\n//! This crate follows the [code-architecture-principles](https://github.com/link-foundation/code-architecture-principles):\n//!\n//! - Small, focused modules for maintainability\n//! - Pure functions separated from I/O operations\n//! - Immutable data structures where possible\n//! - Explicit error handling with Result types\n//! - Comprehensive test coverage\n\npub mod adapters;\npub mod exchange;\npub mod simulator;\npub mod strategy;\npub mod types;\n\n/// Package version (matches Cargo.toml version).\npub const VERSION: &str = env!(\"CARGO_PKG_VERSION\");\n\n/// Re-exports for convenient access.\npub mod prelude {\n pub use crate::exchange::{Exchange, ExchangeError, ExchangeInfo, MarketDataProvider, OrderExecutor};\n pub use crate::simulator::{SimulatedMarket, SimulatorEngine};\n pub use crate::strategy::{ScalpingStrategy, Strategy, StrategyAction, StrategyDecision, TradingSettings};\n pub use crate::types::{\n Currency, Money, Order, OrderBook, OrderId, OrderSide, OrderStatus, OrderType, Position,\n Price, Quantity, Trade, TradeId,\n };\n}\n"
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[2025-12-29T13:18:38.107Z] [INFO] {"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01AqJHBPTezK1HMuFmVgpMcj","type":"tool_result","content":"The file /tmp/gh-issue-solver-1767013378369/src/lib.rs has been updated. Here's the result of running `cat -n` on a snippet of the edited file:\n 1→//! Scalper Trader Bot - A Rust-based automated trading bot.\n 2→//!\n 3→//! This library provides a comprehensive trading bot framework with:\n 4→//! - Multi-exchange support through a unified abstraction layer\n 5→//! - Market simulator for backtesting and testing strategies\n 6→//! - Scalping trading strategy implementation\n 7→//! - Support for T-Bank, Binance, and Interactive Brokers\n 8→//!\n 9→//! # Architecture\n 10→//!\n 11→//! The crate is organized into several modules:\n 12→//!\n 13→//! - [`types`]: Core domain types (Money, Price, Order, Position, Trade)\n 14→//! - [`exchange`]: Exchange abstraction traits and error types\n 15→//! - [`simulator`]: Market simulator for testing and backtesting\n 16→//! - [`strategy`]: Trading strategies including the scalping strategy\n 17→//! - [`adapters`]: Exchange-specific implementations\n 18→//!\n 19→//! # Example\n 20→//!\n 21→//! ```rust\n 22→//! use scalper_trader_bot::simulator::{SimulatorEngine, SimulatedMarketConfig};\n 23→//! use scalper_trader_bot::strategy::{ScalpingStrategy, TradingSettings};\n 24→//! use scalper_trader_bot::types::Currency;\n 25→//! use rust_decimal::Decimal;\n 26→//!\n 27→//! #[tokio::main]\n 28→//! async fn main() {\n 29→//! // Create a simulated market\n 30→//! let mut engine = SimulatorEngine::new();\n 31→//! engine.add_market(SimulatedMarketConfig {\n 32→//! symbol: \"TEST\".to_string(),\n 33→//! currency: Currency::usd(),\n 34→//! initial_price: Decimal::from(100),\n 35→//! ..Default::default()\n 36→//! });\n 37→//! engine.add_balance(Currency::usd(), Decimal::from(10000));\n 38→//!\n 39→//! // Create a scalping strategy\n 40→//! let settings = TradingSettings::new(\"TEST\")\n 41→//! .with_minimum_profit_steps(2)\n 42→//! .with_max_position(10);\n 43→//! let strategy = ScalpingStrategy::new(settings);\n 44→//!\n 45→//! println!(\"Strategy: {}\", strategy.name());\n 46→//! }\n 47→//! ```\n 48→//!\n 49→//! # Testing\n 50→//!\n 51→//! The library is designed for comprehensive testing:\n 52→//!\n 53→//! - Unit tests for all modules\n 54→//! - Integration tests using the market simulator\n 55→//! - Support for backtesting against historical data\n 56→//!\n 57→//! # Code Architecture Principles\n 58→//!\n 59→//! This crate follows the [code-architecture-principles](https://github.com/link-foundation/code-architecture-principles):\n 60→//!\n 61→//! - Small, focused modules for maintainability\n 62→//! - Pure functions separated from I/O operations\n 63→//! - Immutable data structures where possible\n 64→//! - Explicit error handling with Result types\n 65→//! - Comprehensive test coverage\n 66→\n 67→pub mod adapters;\n 68→pub mod exchange;\n 69→pub mod simulator;\n 70→pub mod strategy;\n 71→pub mod types;\n 72→\n 73→/// Package version (matches Cargo.toml version).\n 74→pub const VERSION: &str = env!(\"CARGO_PKG_VERSION\");\n 75→\n 76→/// Re-exports for convenient access.\n 77→pub mod prelude {\n 78→ pub use crate::exchange::{Exchange, ExchangeError, ExchangeInfo, MarketDataProvider, OrderExecutor};\n 79→ pub use crate::simulator::{SimulatedMarket, SimulatorEngine};\n 80→ pub use crate::strategy::{ScalpingStrategy, Strategy, StrategyAction, StrategyDecision, TradingSettings};\n 81→ pub use crate::types::{\n 82→ Currency, Money, Order, OrderBook, OrderId, OrderSide, OrderStatus, OrderType, Position,\n 83→ Price, Quantity, Trade, TradeId,\n 84→ };\n 85→}\n 86→"}]},"parent_tool_use_id":null,"session_id":"47ebe5f9-a63c-4fdf-9594-7dd189455de3","uuid":"2d5a6bec-4489-4f50-bde9-9bb097d3cbd2","tool_use_result":{"type":"update","filePath":"/tmp/gh-issue-solver-1767013378369/src/lib.rs","content":"//! Scalper Trader Bot - A Rust-based automated trading bot.\n//!\n//! This library provides a comprehensive trading bot framework with:\n//! - Multi-exchange support through a unified abstraction layer\n//! - Market simulator for backtesting and testing strategies\n//! - Scalping trading strategy implementation\n//! - Support for T-Bank, Binance, and Interactive Brokers\n//!\n//! # Architecture\n//!\n//! The crate is organized into several modules:\n//!\n//! - [`types`]: Core domain types (Money, Price, Order, Position, Trade)\n//! - [`exchange`]: Exchange abstraction traits and error types\n//! - [`simulator`]: Market simulator for testing and backtesting\n//! - [`strategy`]: Trading strategies including the scalping strategy\n//! - [`adapters`]: Exchange-specific implementations\n//!\n//! # Example\n//!\n//! ```rust\n//! use scalper_trader_bot::simulator::{SimulatorEngine, SimulatedMarketConfig};\n//! use scalper_trader_bot::strategy::{ScalpingStrategy, TradingSettings};\n//! use scalper_trader_bot::types::Currency;\n//! use rust_decimal::Decimal;\n//!\n//! #[tokio::main]\n//! async fn main() {\n//! // Create a simulated market\n//! let mut engine = SimulatorEngine::new();\n//! engine.add_market(SimulatedMarketConfig {\n//! symbol: \"TEST\".to_string(),\n//! currency: Currency::usd(),\n//! initial_price: Decimal::from(100),\n//! ..Default::default()\n//! });\n//! engine.add_balance(Currency::usd(), Decimal::from(10000));\n//!\n//! // Create a scalping strategy\n//! let settings = TradingSettings::new(\"TEST\")\n//! .with_minimum_profit_steps(2)\n//! .with_max_position(10);\n//! let strategy = ScalpingStrategy::new(settings);\n//!\n//! println!(\"Strategy: {}\", strategy.name());\n//! }\n//! ```\n//!\n//! # Testing\n//!\n//! The library is designed for comprehensive testing:\n//!\n//! - Unit tests for all modules\n//! - Integration tests using the market simulator\n//! - Support for backtesting against historical data\n//!\n//! # Code Architecture Principles\n//!\n//! This crate follows the [code-architecture-principles](https://github.com/link-foundation/code-architecture-principles):\n//!\n//! - Small, focused modules for maintainability\n//! - Pure functions separated from I/O operations\n//! - Immutable data structures where possible\n//! - Explicit error handling with Result types\n//! - Comprehensive test coverage\n\npub mod adapters;\npub mod exchange;\npub mod simulator;\npub mod strategy;\npub mod types;\n\n/// Package version (matches Cargo.toml version).\npub const VERSION: &str = env!(\"CARGO_PKG_VERSION\");\n\n/// Re-exports for convenient access.\npub mod prelude {\n pub use crate::exchange::{Exchange, ExchangeError, ExchangeInfo, MarketDataProvider, OrderExecutor};\n pub use crate::simulator::{SimulatedMarket, SimulatorEngine};\n pub use crate::strategy::{ScalpingStrategy, Strategy, StrategyAction, StrategyDecision, TradingSettings};\n pub use crate::types::{\n Currency, Money, Order, OrderBook, OrderId, OrderSide, OrderStatus, OrderType, Position,\n Price, Quantity, Trade, TradeId,\n };\n}\n","structuredPatch":[{"oldStart":1,"oldLines":136,"newStart":1,"newLines":85,"lines":["-//! Example module entry point.","+//! Scalper Trader Bot - A Rust-based automated trading bot."," //!","-//! Replace this with your actual implementation.","+//! This library provides a comprehensive trading bot framework with:","+//! - Multi-exchange support through a unified abstraction layer","+//! - Market simulator for backtesting and testing strategies","+//! - Scalping trading strategy implementation","+//! - Support for T-Bank, Binance, and Interactive Brokers","+//!","+//! # Architecture","+//!","+//! The crate is organized into several modules:","+//!","+//! - [`types`]: Core domain types (Money, Price, Order, Position, Trade)","+//! - [`exchange`]: Exchange abstraction traits and error types","+//! - [`simulator`]: Market simulator for testing and backtesting","+//! - [`strategy`]: Trading strategies including the scalping strategy","+//! - [`adapters`]: Exchange-specific implementations","+//!","+//! # Example","+//!","+//! ```rust","+//! use scalper_trader_bot::simulator::{SimulatorEngine, SimulatedMarketConfig};","+//! use scalper_trader_bot::strategy::{ScalpingStrategy, TradingSettings};","+//! use scalper_trader_bot::types::Currency;","+//! use rust_decimal::Decimal;","+//!","+//! #[tokio::main]","+//! async fn main() {","+//! // Create a simulated market","+//! let mut engine = SimulatorEngine::new();","+//! engine.add_market(SimulatedMarketConfig {","+//! symbol: \"TEST\".to_string(),","+//! currency: Currency::usd(),","+//! initial_price: Decimal::from(100),","+//! ..Default::default()","+//! });","+//! engine.add_balance(Currency::usd(), Decimal::from(10000));","+//!","+//! // Create a scalping strategy","+//! let settings = TradingSettings::new(\"TEST\")","+//! .with_minimum_profit_steps(2)","+//! .with_max_position(10);","+//! let strategy = ScalpingStrategy::new(settings);","+//!","+//! println!(\"Strategy: {}\", strategy.name());","+//! }","+//! ```","+//!","+//! # Testing","+//!","+//! The library is designed for comprehensive testing:","+//!","+//! - Unit tests for all modules","+//! - Integration tests using the market simulator","+//! - Support for backtesting against historical data","+//!","+//! # Code Architecture Principles","+//!","+//! This crate follows the [code-architecture-principles](https://github.com/link-foundation/code-architecture-principles):","+//!","+//! - Small, focused modules for maintainability","+//! - Pure functions separated from I/O operations","+//! - Immutable data structures where possible","+//! - Explicit error handling with Result types","+//! - Comprehensive test coverage"," ","+pub mod adapters;","+pub mod exchange;","+pub mod simulator;","+pub mod strategy;","+pub mod types;","+"," /// Package version (matches Cargo.toml version)."," pub const VERSION: &str = env!(\"CARGO_PKG_VERSION\");"," ","-/// Adds two numbers together.","-///","-/// # Arguments","-///","-/// * `a` - First number","-/// * `b` - Second number","-///","-/// # Returns","-///","-/// Sum of `a` and `b`","-///","-/// # Examples","-///","-/// ```","-/// use my_package::add;","-/// assert_eq!(add(2, 3), 5);","-/// ```","-#[must_use]","-pub const fn add(a: i64, b: i64) -> i64 {","- a + b","+/// Re-exports for convenient access.","+pub mod prelude {","+ pub use crate::exchange::{Exchange, ExchangeError, ExchangeInfo, MarketDataProvider, OrderExecutor};","+ pub use crate::simulator::{SimulatedMarket, SimulatorEngine};","+ pub use crate::strategy::{ScalpingStrategy, Strategy, StrategyAction, StrategyDecision, TradingSettings};","+ pub use crate::types::{","+ Currency, Money, Order, OrderBook, OrderId, OrderSide, OrderStatus, OrderType, Position,","+ Price, Quantity, Trade, TradeId,","+ };"," }","-","-/// Multiplies two numbers together.","-///","-/// # Arguments","-///","-/// * `a` - First number","-/// * `b` - Second number","-///","-/// # Returns","-///","-/// Product of `a` and `b`","-///","-/// # Examples","-///","-/// ```","-/// use my_package::multiply;","-/// assert_eq!(multiply(2, 3), 6);","-/// ```","-#[must_use]","-pub const fn multiply(a: i64, b: i64) -> i64 {","- a * b","-}","-","-/// Async delay function.","-///","-/// # Arguments","-///","-/// * `seconds` - Duration to wait in seconds","-///","-/// # Examples","-///","-/// ```","-/// use my_package::delay;","-///","-/// #[tokio::main]","-/// async fn main() {","-/// delay(0.1).await;","-/// }","-/// ```","-pub async fn delay(seconds: f64) {","- let duration = std::time::Duration::from_secs_f64(seconds);","- tokio::time::sleep(duration).await;","-}","-","-#[cfg(test)]","-mod tests {","- use super::*;","-","- mod add_tests {","- use super::*;","-","- #[test]","- fn test_add_positive_numbers() {","- assert_eq!(add(2, 3), 5);","- }","-","- #[test]","- fn test_add_negative_numbers() {","- assert_eq!(add(-1, -2), -3);","- }","-","- #[test]","- fn test_add_zero() {","- assert_eq!(add(5, 0), 5);","- }","-","- #[test]","- fn test_add_large_numbers() {","- assert_eq!(add(1_000_000, 2_000_000), 3_000_000);","- }","- }","-","- mod multiply_tests {","- use super::*;","-","- #[test]","- fn test_multiply_positive_numbers() {","- assert_eq!(multiply(2, 3), 6);","- }","-","- #[test]","- fn test_multiply_by_zero() {","- assert_eq!(multiply(5, 0), 0);","- }","-","- #[test]","- fn test_multiply_negative_numbers() {","- assert_eq!(multiply(-2, 3), -6);","- }","-","- #[test]","- fn test_multiply_two_negatives() {","- assert_eq!(multiply(-2, -3), 6);","- }","- }","-","- mod delay_tests {","- use super::*;","-","- #[tokio::test]","- async fn test_delay() {","- let start = std::time::Instant::now();","- delay(0.1).await;","- let elapsed = start.elapsed();","- assert!(elapsed.as_secs_f64() >= 0.1);","- }","- }","-}"]}],"originalFile":"//! Example module entry point.\n//!\n//! Replace this with your actual implementation.\n\n/// Package version (matches Cargo.toml version).\npub const VERSION: &str = env!(\"CARGO_PKG_VERSION\");\n\n/// Adds two numbers together.\n///\n/// # Arguments\n///\n/// * `a` - First number\n/// * `b` - Second number\n///\n/// # Returns\n///\n/// Sum of `a` and `b`\n///\n/// # Examples\n///\n/// ```\n/// use my_package::add;\n/// assert_eq!(add(2, 3), 5);\n/// ```\n#[must_use]\npub const fn add(a: i64, b: i64) -> i64 {\n a + b\n}\n\n/// Multiplies two numbers together.\n///\n/// # Arguments\n///\n/// * `a` - First number\n/// * `b` - Second number\n///\n/// # Returns\n///\n/// Product of `a` and `b`\n///\n/// # Examples\n///\n/// ```\n/// use my_package::multiply;\n/// assert_eq!(multiply(2, 3), 6);\n/// ```\n#[must_use]\npub const fn multiply(a: i64, b: i64) -> i64 {\n a * b\n}\n\n/// Async delay function.\n///\n/// # Arguments\n///\n/// * `seconds` - Duration to wait in seconds\n///\n/// # Examples\n///\n/// ```\n/// use my_package::delay;\n///\n/// #[tokio::main]\n/// async fn main() {\n/// delay(0.1).await;\n/// }\n/// ```\npub async fn delay(seconds: f64) {\n let duration = std::time::Duration::from_secs_f64(seconds);\n tokio::time::sleep(duration).await;\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n mod add_tests {\n use super::*;\n\n #[test]\n fn test_add_positive_numbers() {\n assert_eq!(add(2, 3), 5);\n }\n\n #[test]\n fn test_add_negative_numbers() {\n assert_eq!(add(-1, -2), -3);\n }\n\n #[test]\n fn test_add_zero() {\n assert_eq!(add(5, 0), 5);\n }\n\n #[test]\n fn test_add_large_numbers() {\n assert_eq!(add(1_000_000, 2_000_000), 3_000_000);\n }\n }\n\n mod multiply_tests {\n use super::*;\n\n #[test]\n fn test_multiply_positive_numbers() {\n assert_eq!(multiply(2, 3), 6);\n }\n\n #[test]\n fn test_multiply_by_zero() {\n assert_eq!(multiply(5, 0), 0);\n }\n\n #[test]\n fn test_multiply_negative_numbers() {\n assert_eq!(multiply(-2, 3), -6);\n
[2025-12-29T13:18:38.122Z] [INFO] }\n\n #[test]\n fn test_multiply_two_negatives() {\n assert_eq!(multiply(-2, -3), 6);\n }\n }\n\n mod delay_tests {\n use super::*;\n\n #[tokio::test]\n async fn test_delay() {\n let start = std::time::Instant::now();\n delay(0.1).await;\n let elapsed = start.elapsed();\n assert!(elapsed.as_secs_f64() >= 0.1);\n }\n }\n}\n"}}
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"content": "//! Scalper Trader Bot - Command Line Interface\n//!\n//! This binary provides a CLI for running the scalper trading bot.\n\nuse rust_decimal::Decimal;\nuse scalper_trader_bot::exchange::MarketDataProvider;\nuse scalper_trader_bot::simulator::{SimulatedMarketConfig, SimulatorEngine};\nuse scalper_trader_bot::strategy::{ScalpingStrategy, Strategy, TradingSettings};\nuse scalper_trader_bot::types::Currency;\nuse tracing::{info, Level};\nuse tracing_subscriber::FmtSubscriber;\n\n#[tokio::main]\nasync fn main() {\n // Initialize logging\n let subscriber = FmtSubscriber::builder()\n .with_max_level(Level::INFO)\n .finish();\n tracing::subscriber::set_global_default(subscriber).expect(\"Failed to set subscriber\");\n\n info!(\"Scalper Trader Bot v{}\", scalper_trader_bot::VERSION);\n info!(\"Starting simulation demo...\");\n\n // Create and configure the simulator\n let mut engine = SimulatorEngine::new();\n\n // Add a test market\n engine.add_market(SimulatedMarketConfig {\n symbol: \"TEST/USD\".to_string(),\n currency: Currency::usd(),\n initial_price: Decimal::from(100),\n price_step: Decimal::new(1, 2), // 0.01\n lot_size: 1,\n spread_ticks: 2,\n base_liquidity: 100,\n book_depth: 10,\n });\n\n // Add initial balance\n engine.add_balance(Currency::usd(), Decimal::from(10000));\n\n // Connect to the simulated exchange\n engine.connect().await.expect(\"Failed to connect to simulator\");\n\n // Create the scalping strategy\n let settings = TradingSettings::new(\"TEST/USD\")\n .with_minimum_profit_steps(2)\n .with_price_step(Decimal::new(1, 2))\n .with_lot_size(1)\n .with_max_position(10)\n .with_min_order_size_to_buy(10)\n .with_min_order_size_to_sell(10)\n .with_order_book_depth(5);\n\n let strategy = ScalpingStrategy::new(settings);\n\n info!(\"Strategy: {}\", strategy.name());\n info!(\"Trading settings configured for TEST/USD\");\n\n // Display initial market state\n let order_book = engine.get_order_book(\"TEST/USD\").await.expect(\"Failed to get order book\");\n\n info!(\"Initial market state:\");\n if let Some(bid) = order_book.best_bid() {\n info!(\" Best bid: {} ({} lots)\", bid.price(), bid.total_quantity());\n }\n if let Some(ask) = order_book.best_ask() {\n info!(\" Best ask: {} ({} lots)\", ask.price(), ask.total_quantity());\n }\n if let Some(spread) = order_book.spread() {\n info!(\" Spread: {}\", spread);\n }\n\n info!(\"\");\n info!(\"Demo complete. Use the library to build your own trading bot!\");\n info!(\"\");\n info!(\"Supported exchanges (adapters):\");\n info!(\" - T-Bank (Tinkoff) - Russian broker\");\n info!(\" - Binance - Cryptocurrency exchange\");\n info!(\" - Interactive Brokers - International broker\");\n info!(\"\");\n info!(\"For testing, use the SimulatorEngine which implements the full Exchange trait.\");\n}\n"
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"content": " 1→//! Example binary entry point.\n 2→//!\n 3→//! This is a simple CLI that demonstrates the library functionality.\n 4→\n 5→use my_package::{add, delay, multiply};\n 6→\n 7→#[tokio::main]\n 8→async fn main() {\n 9→ println!(\"my-package v{}\", my_package::VERSION);\n 10→ println!();\n 11→\n 12→ // Example 1: Basic arithmetic\n 13→ println!(\"Example 1: Basic arithmetic\");\n 14→ println!(\"2 + 3 = {}\", add(2, 3));\n 15→ println!(\"2 * 3 = {}\", multiply(2, 3));\n 16→ println!();\n 17→\n 18→ // Example 2: Working with larger numbers\n 19→ println!(\"Example 2: Working with larger numbers\");\n 20→ println!(\"1000 + 2000 = {}\", add(1000, 2000));\n 21→ println!(\"100 * 200 = {}\", multiply(100, 200));\n 22→ println!();\n 23→\n 24→ // Example 3: Async delay\n 25→ println!(\"Example 3: Async delay\");\n 26→ println!(\"Waiting for 1 second...\");\n 27→ delay(1.0).await;\n 28→ println!(\"Done!\");\n 29→}\n 30→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": "//! Scalper Trader Bot - Command Line Interface\n//!\n//! This binary provides a CLI for running the scalper trading bot.\n\nuse rust_decimal::Decimal;\nuse scalper_trader_bot::exchange::MarketDataProvider;\nuse scalper_trader_bot::simulator::{SimulatedMarketConfig, SimulatorEngine};\nuse scalper_trader_bot::strategy::{ScalpingStrategy, Strategy, TradingSettings};\nuse scalper_trader_bot::types::Currency;\nuse tracing::{info, Level};\nuse tracing_subscriber::FmtSubscriber;\n\n#[tokio::main]\nasync fn main() {\n // Initialize logging\n let subscriber = FmtSubscriber::builder()\n .with_max_level(Level::INFO)\n .finish();\n tracing::subscriber::set_global_default(subscriber).expect(\"Failed to set subscriber\");\n\n info!(\"Scalper Trader Bot v{}\", scalper_trader_bot::VERSION);\n info!(\"Starting simulation demo...\");\n\n // Create and configure the simulator\n let mut engine = SimulatorEngine::new();\n\n // Add a test market\n engine.add_market(SimulatedMarketConfig {\n symbol: \"TEST/USD\".to_string(),\n currency: Currency::usd(),\n initial_price: Decimal::from(100),\n price_step: Decimal::new(1, 2), // 0.01\n lot_size: 1,\n spread_ticks: 2,\n base_liquidity: 100,\n book_depth: 10,\n });\n\n // Add initial balance\n engine.add_balance(Currency::usd(), Decimal::from(10000));\n\n // Connect to the simulated exchange\n engine.connect().await.expect(\"Failed to connect to simulator\");\n\n // Create the scalping strategy\n let settings = TradingSettings::new(\"TEST/USD\")\n .with_minimum_profit_steps(2)\n .with_price_step(Decimal::new(1, 2))\n .with_lot_size(1)\n .with_max_position(10)\n .with_min_order_size_to_buy(10)\n .with_min_order_size_to_sell(10)\n .with_order_book_depth(5);\n\n let strategy = ScalpingStrategy::new(settings);\n\n info!(\"Strategy: {}\", strategy.name());\n info!(\"Trading settings configured for TEST/USD\");\n\n // Display initial market state\n let order_book = engine.get_order_book(\"TEST/USD\").await.expect(\"Failed to get order book\");\n\n info!(\"Initial market state:\");\n if let Some(bid) = order_book.best_bid() {\n info!(\" Best bid: {} ({} lots)\", bid.price(), bid.total_quantity());\n }\n if let Some(ask) = order_book.best_ask() {\n info!(\" Best ask: {} ({} lots)\", ask.price(), ask.total_quantity());\n }\n if let Some(spread) = order_book.spread() {\n info!(\" Spread: {}\", spread);\n }\n\n info!(\"\");\n info!(\"Demo complete. Use the library to build your own trading bot!\");\n info!(\"\");\n info!(\"Supported exchanges (adapters):\");\n info!(\" - T-Bank (Tinkoff) - Russian broker\");\n info!(\" - Binance - Cryptocurrency exchange\");\n info!(\" - Interactive Brokers - International broker\");\n info!(\"\");\n info!(\"For testing, use the SimulatorEngine which implements the full Exchange trait.\");\n}\n"
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"content": "The file /tmp/gh-issue-solver-1767013378369/src/main.rs has been updated. Here's the result of running `cat -n` on a snippet of the edited file:\n 1→//! Scalper Trader Bot - Command Line Interface\n 2→//!\n 3→//! This binary provides a CLI for running the scalper trading bot.\n 4→\n 5→use rust_decimal::Decimal;\n 6→use scalper_trader_bot::exchange::MarketDataProvider;\n 7→use scalper_trader_bot::simulator::{SimulatedMarketConfig, SimulatorEngine};\n 8→use scalper_trader_bot::strategy::{ScalpingStrategy, Strategy, TradingSettings};\n 9→use scalper_trader_bot::types::Currency;\n 10→use tracing::{info, Level};\n 11→use tracing_subscriber::FmtSubscriber;\n 12→\n 13→#[tokio::main]\n 14→async fn main() {\n 15→ // Initialize logging\n 16→ let subscriber = FmtSubscriber::builder()\n 17→ .with_max_level(Level::INFO)\n 18→ .finish();\n 19→ tracing::subscriber::set_global_default(subscriber).expect(\"Failed to set subscriber\");\n 20→\n 21→ info!(\"Scalper Trader Bot v{}\", scalper_trader_bot::VERSION);\n 22→ info!(\"Starting simulation demo...\");\n 23→\n 24→ // Create and configure the simulator\n 25→ let mut engine = SimulatorEngine::new();\n 26→\n 27→ // Add a test market\n 28→ engine.add_market(SimulatedMarketConfig {\n 29→ symbol: \"TEST/USD\".to_string(),\n 30→ currency: Currency::usd(),\n 31→ initial_price: Decimal::from(100),\n 32→ price_step: Decimal::new(1, 2), // 0.01\n 33→ lot_size: 1,\n 34→ spread_ticks: 2,\n 35→ base_liquidity: 100,\n 36→ book_depth: 10,\n 37→ });\n 38→\n 39→ // Add initial balance\n 40→ engine.add_balance(Currency::usd(), Decimal::from(10000));\n 41→\n 42→ // Connect to the simulated exchange\n 43→ engine.connect().await.expect(\"Failed to connect to simulator\");\n 44→\n 45→ // Create the scalping strategy\n 46→ let settings = TradingSettings::new(\"TEST/USD\")\n 47→ .with_minimum_profit_steps(2)\n 48→ .with_price_step(Decimal::new(1, 2))\n 49→ .with_lot_size(1)\n 50→ .with_max_position(10)\n 51→ .with_min_order_size_to_buy(10)\n 52→ .with_min_order_size_to_sell(10)\n 53→ .with_order_book_depth(5);\n 54→\n 55→ let strategy = ScalpingStrategy::new(settings);\n 56→\n 57→ info!(\"Strategy: {}\", strategy.name());\n 58→ info!(\"Trading settings configured for TEST/USD\");\n 59→\n 60→ // Display initial market state\n 61→ let order_book = engine.get_order_book(\"TEST/USD\").await.expect(\"Failed to get order book\");\n 62→\n 63→ info!(\"Initial market state:\");\n 64→ if let Some(bid) = order_book.best_bid() {\n 65→ info!(\" Best bid: {} ({} lots)\", bid.price(), bid.total_quantity());\n 66→ }\n 67→ if let Some(ask) = order_book.best_ask() {\n 68→ info!(\" Best ask: {} ({} lots)\", ask.price(), ask.total_quantity());\n 69→ }\n 70→ if let Some(spread) = order_book.spread() {\n 71→ info!(\" Spread: {}\", spread);\n 72→ }\n 73→\n 74→ info!(\"\");\n 75→ info!(\"Demo complete. Use the library to build your own trading bot!\");\n 76→ info!(\"\");\n 77→ info!(\"Supported exchanges (adapters):\");\n 78→ info!(\" - T-Bank (Tinkoff) - Russian broker\");\n 79→ info!(\" - Binance - Cryptocurrency exchange\");\n 80→ info!(\" - Interactive Brokers - International broker\");\n 81→ info!(\"\");\n 82→ info!(\"For testing, use the SimulatorEngine which implements the full Exchange trait.\");\n 83→}\n 84→"
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"content": "//! Scalper Trader Bot - Command Line Interface\n//!\n//! This binary provides a CLI for running the scalper trading bot.\n\nuse rust_decimal::Decimal;\nuse scalper_trader_bot::exchange::MarketDataProvider;\nuse scalper_trader_bot::simulator::{SimulatedMarketConfig, SimulatorEngine};\nuse scalper_trader_bot::strategy::{ScalpingStrategy, Strategy, TradingSettings};\nuse scalper_trader_bot::types::Currency;\nuse tracing::{info, Level};\nuse tracing_subscriber::FmtSubscriber;\n\n#[tokio::main]\nasync fn main() {\n // Initialize logging\n let subscriber = FmtSubscriber::builder()\n .with_max_level(Level::INFO)\n .finish();\n tracing::subscriber::set_global_default(subscriber).expect(\"Failed to set subscriber\");\n\n info!(\"Scalper Trader Bot v{}\", scalper_trader_bot::VERSION);\n info!(\"Starting simulation demo...\");\n\n // Create and configure the simulator\n let mut engine = SimulatorEngine::new();\n\n // Add a test market\n engine.add_market(SimulatedMarketConfig {\n symbol: \"TEST/USD\".to_string(),\n currency: Currency::usd(),\n initial_price: Decimal::from(100),\n price_step: Decimal::new(1, 2), // 0.01\n lot_size: 1,\n spread_ticks: 2,\n base_liquidity: 100,\n book_depth: 10,\n });\n\n // Add initial balance\n engine.add_balance(Currency::usd(), Decimal::from(10000));\n\n // Connect to the simulated exchange\n engine.connect().await.expect(\"Failed to connect to simulator\");\n\n // Create the scalping strategy\n let settings = TradingSettings::new(\"TEST/USD\")\n .with_minimum_profit_steps(2)\n .with_price_step(Decimal::new(1, 2))\n .with_lot_size(1)\n .with_max_position(10)\n .with_min_order_size_to_buy(10)\n .with_min_order_size_to_sell(10)\n .with_order_book_depth(5);\n\n let strategy = ScalpingStrategy::new(settings);\n\n info!(\"Strategy: {}\", strategy.name());\n info!(\"Trading settings configured for TEST/USD\");\n\n // Display initial market state\n let order_book = engine.get_order_book(\"TEST/USD\").await.expect(\"Failed to get order book\");\n\n info!(\"Initial market state:\");\n if let Some(bid) = order_book.best_bid() {\n info!(\" Best bid: {} ({} lots)\", bid.price(), bid.total_quantity());\n }\n if let Some(ask) = order_book.best_ask() {\n info!(\" Best ask: {} ({} lots)\", ask.price(), ask.total_quantity());\n }\n if let Some(spread) = order_book.spread() {\n info!(\" Spread: {}\", spread);\n }\n\n info!(\"\");\n info!(\"Demo complete. Use the library to build your own trading bot!\");\n info!(\"\");\n info!(\"Supported exchanges (adapters):\");\n info!(\" - T-Bank (Tinkoff) - Russian broker\");\n info!(\" - Binance - Cryptocurrency exchange\");\n info!(\" - Interactive Brokers - International broker\");\n info!(\"\");\n info!(\"For testing, use the SimulatorEngine which implements the full Exchange trait.\");\n}\n",
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"-//! Example binary entry point.",
"+//! Scalper Trader Bot - Command Line Interface",
" //!",
"-//! This is a simple CLI that demonstrates the library functionality.",
"+//! This binary provides a CLI for running the scalper trading bot.",
" ",
"-use my_package::{add, delay, multiply};",
"+use rust_decimal::Decimal;",
"+use scalper_trader_bot::exchange::MarketDataProvider;",
"+use scalper_trader_bot::simulator::{SimulatedMarketConfig, SimulatorEngine};",
"+use scalper_trader_bot::strategy::{ScalpingStrategy, Strategy, TradingSettings};",
"+use scalper_trader_bot::types::Currency;",
"+use tracing::{info, Level};",
"+use tracing_subscriber::FmtSubscriber;",
" ",
" #[tokio::main]",
" async fn main() {",
"- println!(\"my-package v{}\", my_package::VERSION);",
"- println!();",
"+ // Initialize logging",
"+ let subscriber = FmtSubscriber::builder()",
"+ .with_max_level(Level::INFO)",
"+ .finish();",
"+ tracing::subscriber::set_global_default(subscriber).expect(\"Failed to set subscriber\");",
" ",
"- // Example 1: Basic arithmetic",
"- println!(\"Example 1: Basic arithmetic\");",
"- println!(\"2 + 3 = {}\", add(2, 3));",
"- println!(\"2 * 3 = {}\", multiply(2, 3));",
"- println!();",
"+ info!(\"Scalper Trader Bot v{}\", scalper_trader_bot::VERSION);",
"+ info!(\"Starting simulation demo...\");",
" ",
"- // Example 2: Working with larger numbers",
"- println!(\"Example 2: Working with larger numbers\");",
"- println!(\"1000 + 2000 = {}\", add(1000, 2000));",
"- println!(\"100 * 200 = {}\", multiply(100, 200));",
"- println!();",
"+ // Create and configure the simulator",
"+ let mut engine = SimulatorEngine::new();",
" ",
"- // Example 3: Async delay",
"- println!(\"Example 3: Async delay\");",
"- println!(\"Waiting for 1 second...\");",
"- delay(1.0).await;",
"- println!(\"Done!\");",
"+ // Add a test market",
"+ engine.add_market(SimulatedMarketConfig {",
"+ symbol: \"TEST/USD\".to_string(),",
"+ currency: Currency::usd(),",
"+ initial_price: Decimal::from(100),",
"+ price_step: Decimal::new(1, 2), // 0.01",
"+ lot_size: 1,",
"+ spread_ticks: 2,",
"+ base_liquidity: 100,",
"+ book_depth: 10,",
"+ });",
"+",
"+ // Add initial balance",
"+ engine.add_balance(Currency::usd(), Decimal::from(10000));",
"+",
"+ // Connect to the simulated exchange",
"+ engine.connect().await.expect(\"Failed to connect to simulator\");",
"+",
"+ // Create the scalping strategy",
"+ let settings = TradingSettings::new(\"TEST/USD\")",
"+ .with_minimum_profit_steps(2)",
"+ .with_price_step(Decimal::new(1, 2))",
"+ .with_lot_size(1)",
"+ .with_max_position(10)",
"+ .with_min_order_size_to_buy(10)",
"+ .with_min_order_size_to_sell(10)",
"+ .with_order_book_depth(5);",
"+",
"+ let strategy = ScalpingStrategy::new(settings);",
"+",
"+ info!(\"Strategy: {}\", strategy.name());",
"+ info!(\"Trading settings configured for TEST/USD\");",
"+",
"+ // Display initial market state",
"+ let order_book = engine.get_order_book(\"TEST/USD\").await.expect(\"Failed to get order book\");",
"+",
"+ info!(\"Initial market state:\");",
"+ if let Some(bid) = order_book.best_bid() {",
"+ info!(\" Best bid: {} ({} lots)\", bid.price(), bid.total_quantity());",
"+ }",
"+ if let Some(ask) = order_book.best_ask() {",
"+ info!(\" Best ask: {} ({} lots)\", ask.price(), ask.total_quantity());",
"+ }",
"+ if let Some(spread) = order_book.spread() {",
"+ info!(\" Spread: {}\", spread);",
"+ }",
"+",
"+ info!(\"\");",
"+ info!(\"Demo complete. Use the library to build your own trading bot!\");",
"+ info!(\"\");",
"+ info!(\"Supported exchanges (adapters):\");",
"+ info!(\" - T-Bank (Tinkoff) - Russian broker\");",
"+ info!(\" - Binance - Cryptocurrency exchange\");",
"+ info!(\" - Interactive Brokers - International broker\");",
"+ info!(\"\");",
"+ info!(\"For testing, use the SimulatorEngine which implements the full Exchange trait.\");",
" }"
]
}
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[2025-12-29T13:19:25.194Z] [INFO] {"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01YCdEF5DGDTa1h5BgineFoD","type":"tool_result","content":" 1→//! Integration tests for my-package.\n 2→//!\n 3→//! These tests verify the public API works correctly.\n 4→\n 5→use my_package::{add, delay, multiply};\n 6→\n 7→mod add_i***********tests {\n 8→ use super::*;\n 9→\n 10→ #[test]\n 11→ fn test_add_returns_correct_sum() {\n 12→ assert_eq!(add(10, 20), 30);\n 13→ }\n 14→\n 15→ #[test]\n 16→ fn test_add_handles_large_numbers() {\n 17→ assert_eq!(add(1_000_000_000, 2_000_000_000), 3_000_000_000);\n 18→ }\n 19→\n 20→ #[test]\n 21→ fn test_add_handles_negative_result() {\n 22→ assert_eq!(add(-100, 50), -50);\n 23→ }\n 24→}\n 25→\n 26→mod multi****************tests {\n 27→ use super::*;\n 28→\n 29→ #[test]\n 30→ fn test_multiply_returns_correct_product() {\n 31→ assert_eq!(multiply(10, 20), 200);\n 32→ }\n 33→\n 34→ #[test]\n 35→ fn test_multiply_handles_large_numbers() {\n 36→ assert_eq!(multiply(1_000, 1_000_000), 1_000_000_000);\n 37→ }\n 38→\n 39→ #[test]\n 40→ fn test_multiply_handles_negative_numbers() {\n 41→ assert_eq!(multiply(-10, -20), 200);\n 42→ }\n 43→}\n 44→\n 45→mod delay*************tests {\n 46→ use super::*;\n 47→\n 48→ #[tokio::test]\n 49→ async fn test_delay_waits_minimum_time() {\n 50→ let start = std::time::Instant::now();\n 51→ delay(0.05).await;\n 52→ let elapsed = start.elapsed();\n 53→\n 54→ assert!(\n 55→ elapsed.as_secs_f64() >= 0.05,\n 56→ \"Delay should wait at least 0.05 seconds, but waited {:.4}s\",\n 57→ elapsed.as_secs_f64()\n 58→ );\n 59→ }\n 60→\n 61→ #[tokio::test]\n 62→ async fn test_delay_zero_completes_quickly() {\n 63→ let start = std::time::Instant::now();\n 64→ delay(0.0).await;\n 65→ let elapsed = start.elapsed();\n 66→\n 67→ assert!(\n 68→ elapsed.as_secs_f64() < 0.1,\n 69→ \"Zero delay should complete quickly, but took {:.4}s\",\n 70→ elapsed.as_secs_f64()\n 71→ );\n 72→ }\n 73→}\n 74→\n 75→mod version_tests {\n 76→ use my_package::VERSION;\n 77→\n 78→ #[test]\n 79→ fn test_version_is_not_empty() {\n 80→ assert!(!VERSION.is_empty());\n 81→ }\n 82→\n 83→ #[test]\n 84→ fn test_version_matches_cargo_toml() {\n 85→ // Version should match the one in Cargo.toml\n 86→ assert!(VERSION.starts_with(\"0.\"));\n 87→ }\n 88→}\n 89→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"parent_tool_use_id":null,"session_id":"47ebe5f9-a63c-4fdf-9594-7dd189455de3","uuid":"f40b7ff8-0005-447e-9729-8b2f39ad4402","tool_use_result":{"type":"text","file":{"filePath":"/tmp/gh-issue-solver-1767013378369/tests/integration_test.rs","content":"//! Integration tests for my-package.\n//!\n//! These tests verify the public API works correctly.\n\nuse my_package::{add, delay, multiply};\n\nmod add_i***********tests {\n use super::*;\n\n #[test]\n fn test_add_returns_correct_sum() {\n assert_eq!(add(10, 20), 30);\n }\n\n #[test]\n fn test_add_handles_large_numbers() {\n assert_eq!(add(1_000_000_000, 2_000_000_000), 3_000_000_000);\n }\n\n #[test]\n fn test_add_handles_negative_result() {\n assert_eq!(add(-100, 50), -50);\n }\n}\n\nm
[2025-12-29T13:19:25.198Z] [INFO] od multi****************tests {\n use super::*;\n\n #[test]\n fn test_multiply_returns_correct_product() {\n assert_eq!(multiply(10, 20), 200);\n }\n\n #[test]\n fn test_multiply_handles_large_numbers() {\n assert_eq!(multiply(1_000, 1_000_000), 1_000_000_000);\n }\n\n #[test]\n fn test_multiply_handles_negative_numbers() {\n assert_eq!(multiply(-10, -20), 200);\n }\n}\n\nmod delay*************tests {\n use super::*;\n\n #[tokio::test]\n async fn test_delay_waits_minimum_time() {\n let start = std::time::Instant::now();\n delay(0.05).await;\n let elapsed = start.elapsed();\n\n assert!(\n elapsed.as_secs_f64() >= 0.05,\n \"Delay should wait at least 0.05 seconds, but waited {:.4}s\",\n elapsed.as_secs_f64()\n );\n }\n\n #[tokio::test]\n async fn test_delay_zero_completes_quickly() {\n let start = std::time::Instant::now();\n delay(0.0).await;\n let elapsed = start.elapsed();\n\n assert!(\n elapsed.as_secs_f64() < 0.1,\n \"Zero delay should complete quickly, but took {:.4}s\",\n elapsed.as_secs_f64()\n );\n }\n}\n\nmod version_tests {\n use my_package::VERSION;\n\n #[test]\n fn test_version_is_not_empty() {\n assert!(!VERSION.is_empty());\n }\n\n #[test]\n fn test_version_matches_cargo_toml() {\n // Version should match the one in Cargo.toml\n assert!(VERSION.starts_with(\"0.\"));\n }\n}\n","numLines":89,"startLine":1,"totalLines":89}}}
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"content": " 1→//! Basic usage example for my-package.\n 2→//!\n 3→//! This example demonstrates the basic functionality of the package.\n 4→//!\n 5→//! Run with: `cargo run --example basic_usage`\n 6→\n 7→use my_package::{add, delay, multiply};\n 8→\n 9→#[tokio::main]\n 10→async fn main() {\n 11→ // Example 1: Basic arithmetic\n 12→ println!(\"Example 1: Basic arithmetic\");\n 13→ println!(\"2 + 3 = {}\", add(2, 3));\n 14→ println!(\"2 * 3 = {}\", multiply(2, 3));\n 15→ println!();\n 16→\n 17→ // Example 2: Working with larger numbers\n 18→ println!(\"Example 2: Working with larger numbers\");\n 19→ println!(\"1000 + 2000 = {}\", add(1000, 2000));\n 20→ println!(\"100 * 200 = {}\", multiply(100, 200));\n 21→ println!();\n 22→\n 23→ // Example 3: Working with negative numbers\n 24→ println!(\"Example 3: Working with negative numbers\");\n 25→ println!(\"-5 + 10 = {}\", add(-5, 10));\n 26→ println!(\"-3 * 4 = {}\", multiply(-3, 4));\n 27→ println!();\n 28→\n 29→ // Example 4: Async delay\n 30→ println!(\"Example 4: Async delay\");\n 31→ println!(\"Waiting for 1 second...\");\n 32→ delay(1.0).await;\n 33→ println!(\"Done!\");\n 34→}\n 35→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": "//! Integration tests for scalper-trader-bot.\n//!\n//! These tests verify the full trading workflow using the simulator.\n\nuse rust_decimal::Decimal;\nuse scalper_trader_bot::exchange::{MarketDataProvider, OrderExecutor};\nuse scalper_trader_bot::simulator::{MarketCondition, SimulatedMarketConfig, SimulatorEngine};\nuse scalper_trader_bot::strategy::{MarketState, ScalpingStrategy, Strategy, TradingSettings};\nuse scalper_trader_bot::types::{Currency, Order, OrderSide, Quantity};\n\n/// Creates a configured simulator for testing.\nasync fn create_test_simulator() -> SimulatorEngine {\n let mut engine = SimulatorEngine::new();\n\n engine.add_market(SimulatedMarketConfig {\n symbol: \"TEST/USD\".to_string(),\n currency: Currency::usd(),\n initial_price: Decimal::from(100),\n price_step: Decimal::new(1, 2), // 0.01\n lot_size: 1,\n spread_ticks: 2,\n base_liquidity: 100,\n book_depth: 10,\n });\n\n engine.add_balance(Currency::usd(), Decimal::from(10000));\n engine.connect().await.expect(\"Failed to connect\");\n\n engine\n}\n\nmod simul*****************tests {\n use super::*;\n\n #[tokio::test]\n async fn test_full_buy_sell_cycle() {\n let mut engine = create_test_simulator().await;\n\n // Buy 10 lots\n let buy_order = Order::market(\"TEST/USD\", OrderSide::Buy, Quantity::from_lots(10));\n let filled_buy = engine.submit_order(buy_order).await.expect(\"Buy failed\");\n assert!(filled_buy.status().is_terminal());\n assert_eq!(filled_buy.filled_quantity().as_lots(), 10);\n\n // Verify position\n let position = engine.get_position(\"TEST/USD\").await.expect(\"Position not found\");\n assert_eq!(position.quantity().as_lots(), 10);\n\n // Sell 10 lots\n let sell_order = Order::market(\"TEST/USD\", OrderSide::Sell, Quantity::from_lots(10));\n let filled_sell = engine.submit_order(sell_order).await.expect(\"Sell failed\");\n assert!(filled_sell.status().is_terminal());\n assert_eq!(filled_sell.filled_quantity().as_lots(), 10);\n\n // Verify position is closed\n let position = engine.get_position(\"TEST/USD\").await.expect(\"Position not found\");\n assert!(position.is_empty());\n\n // Verify trades were recorded\n let trades = engine.get_trades(10).await.expect(\"Trades not found\");\n assert_eq!(trades.len(), 2);\n }\n\n #[tokio::test]\n async fn test_market_simulation_with_ticks() {\n let mut engine = create_test_simulator().await;\n\n // Get initial price\n let initial_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n let initial_mid = initial_book.mid_price().unwrap();\n\n // Advance the market\n engine.advance(100);\n\n // Get new price - should have changed\n let new_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n let new_mid = new_book.mid_price().unwrap();\n\n // Price should have moved (in ranging market, might not move much)\n // but at least we can verify it didn't crash\n assert!(new_mid > Decimal::ZERO);\n println!(\"Price changed from {} to {}\", initial_mid, new_mid);\n }\n\n #[tokio::test]\n async fn test_bullish_market_simulation() {\n let mut engine = create_test_simulator().await;\n\n // Set bullish market condition\n engine\n .market_mut(\"TEST/USD\")\n .unwrap()\n .set_condition(MarketCondition::Bullish);\n\n let initial_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n let initial_mid = initial_book.mid_price().unwrap();\n\n // Advance significantly\n engine.advance(500);\n\n let final_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n let final_mid = final_book.mid_price().unwrap();\n\n // In a bullish market, price should generally trend up over many ticks\n println!(\"Bullish: {} -> {}\", initial_mid, final_mid);\n }\n\n #[tokio::test]\n async fn test_order_book_depth() {\n let engine = create_test_simulator().await;\n\n let book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n\n // Verify order book structure\n assert!(!book.bids().is_empty());\n assert!(!book.asks().is_empty());\n\n // Bids should be in descending order\n let bids = book.bids();\n for i in 1..bids.len() {\n assert!(bids[i - 1].price().value() > bids[i].price().value());\n }\n\n // Asks should be in ascending order\n let asks = book.asks();\n for i in 1..asks.len() {\n assert!(asks[i - 1].price().value() < asks[i].price().value());\n }\n\n // Best ask should be higher than best bid\n let spread = book.spread().unwrap();\n assert!(spread > Decimal::ZERO);\n }\n}\n\nmod strat****************tests {\n use super::*;\n\n fn create_test_settings() -> TradingSettings {\n TradingSettings::new(\"TEST/USD\")\n .with_minimum_profit_steps(2)\n .with_price_step(Decimal::new(1, 2))\n .with_lot_size(1)\n .with_max_position(10)\n .with_min_order_size_to_buy(10)\n .with_min_order_size_to_sell(10)\n .with_order_book_depth(3)\n }\n\n #[tokio::test]\n async fn test_strategy_decision_with_cash() {\n let engine = create_test_simulator().await;\n let strategy = ScalpingStrategy::new(create_test_settings());\n\n let order_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n let balance = engine.get_balance(&Currency::usd()).await.unwrap();\n\n let state = MarketState {\n instrument: \"TEST/USD\".to_string(),\n order_book,\n position: None,\n active_orders: Vec::new(),\n available_cash: balance.amount(),\n timestamp: chrono::Utc::now(),\n };\n\n let decision = strategy.decide(&state).await;\n\n // With sufficient cash and liquidity, should suggest a buy\n assert!(!decision.is_hold(), \"Strategy should suggest a buy action\");\n }\n\n #[tokio::test]\n async fn test_strategy_decision_without_cash() {\n let engine = create_test_simulator().await;\n let strategy = ScalpingStrategy::new(create_test_settings());\n\n let order_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n\n let state = MarketState {\n instrument: \"TEST/USD\".to_string(),\n order_book,\n position: None,\n active_orders: Vec::new(),\n available_cash: Decimal::ZERO, // No cash\n timestamp: chrono::Utc::now(),\n };\n\n let decision = strategy.decide(&state).await;\n\n // Without cash, should hold\n assert!(decision.is_hold(), \"Strategy should hold without cash\");\n }\n\n #[tokio::test]\n async fn test_strategy_lifecycle() {\n let mut strategy = ScalpingStrategy::new(create_test_settings());\n\n // Simulate a buy fill\n let price = scalper_trader_bot::types::Price::from_f64(100.0, Currency::usd()).unwrap();\n let mut buy_order =\n Order::limit(\"TEST/USD\", OrderSide::Buy, Quantity::from_lots(5), price);\n buy_order.submit();\n buy_order.fill(Quantity::from_lots(5));\n\n strategy.on_order_filled(&buy_order).await;\n\n // Simulate a sell fill\n let sell_price = scalper_trader_bot::types::Price::from_f64(100.02, Currency::usd()).unwrap();\n let mut sell_order =\n Order::limit(\"TEST/USD\", OrderSide::Sell, Quantity::from_lots(5), sell_price);\n sell_order.submit();\n sell_order.fill(Quantity::from_lots(5));\n\n strategy.on_order_filled(&sell_order).await;\n\n // Reset and verify clean state\n strategy.reset().await;\n }\n}\n\nmod version_tests {\n use scalper_trader_bot::VERSION;\n\n #[test]\n fn test_version_is_not_empty() {\n assert!(!VERSION.is_empty());\n }\n\n #[test]\n fn test_version_matches_cargo_toml() {\n // Version should match the one in Cargo.toml\n assert!(VERSION.starts_with(\"0.\"));\n }\n}\n"
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"content": "The file /tmp/gh-issue-solver-1767013378369/tests/integration_test.rs has been updated. Here's the result of running `cat -n` on a snippet of the edited file:\n 1→//! Integration tests for scalper-trader-bot.\n 2→//!\n 3→//! These tests verify the full trading workflow using the simulator.\n 4→\n 5→use rust_decimal::Decimal;\n 6→use scalper_trader_bot::exchange::{MarketDataProvider, OrderExecutor};\n 7→use scalper_trader_bot::simulator::{MarketCondition, SimulatedMarketConfig, SimulatorEngine};\n 8→use scalper_trader_bot::strategy::{MarketState, ScalpingStrategy, Strategy, TradingSettings};\n 9→use scalper_trader_bot::types::{Currency, Order, OrderSide, Quantity};\n 10→\n 11→/// Creates a configured simulator for testing.\n 12→async fn create_test_simulator() -> SimulatorEngine {\n 13→ let mut engine = SimulatorEngine::new();\n 14→\n 15→ engine.add_market(SimulatedMarketConfig {\n 16→ symbol: \"TEST/USD\".to_string(),\n 17→ currency: Currency::usd(),\n 18→ initial_price: Decimal::from(100),\n 19→ price_step: Decimal::new(1, 2), // 0.01\n 20→ lot_size: 1,\n 21→ spread_ticks: 2,\n 22→ base_liquidity: 100,\n 23→ book_depth: 10,\n 24→ });\n 25→\n 26→ engine.add_balance(Currency::usd(), Decimal::from(10000));\n 27→ engine.connect().await.expect(\"Failed to connect\");\n 28→\n 29→ engine\n 30→}\n 31→\n 32→mod simul*****************tests {\n 33→ use super::*;\n 34→\n 35→ #[tokio::test]\n 36→ async fn test_full_buy_sell_cycle() {\n 37→ let mut engine = create_test_simulator().await;\n 38→\n 39→ // Buy 10 lots\n 40→ let buy_order = Order::market(\"TEST/USD\", OrderSide::Buy, Quantity::from_lots(10));\n 41→ let filled_buy = engine.submit_order(buy_order).await.expect(\"Buy failed\");\n 42→ assert!(filled_buy.status().is_terminal());\n 43→ assert_eq!(filled_buy.filled_quantity().as_lots(), 10);\n 44→\n 45→ // Verify position\n 46→ let position = engine.get_position(\"TEST/USD\").await.expect(\"Position not found\");\n 47→ assert_eq!(position.quantity().as_lots(), 10);\n 48→\n 49→ // Sell 10 lots\n 50→ let sell_order = Order::market(\"TEST/USD\", OrderSide::Sell, Quantity::from_lots(10));\n 51→ let filled_sell = engine.submit_order(sell_order).await.expect(\"Sell failed\");\n 52→ assert!(filled_sell.status().is_terminal());\n 53→ assert_eq!(filled_sell.filled_quantity().as_lots(), 10);\n 54→\n 55→ // Verify position is closed\n 56→ let position = engine.get_position(\"TEST/USD\").await.expect(\"Position not found\");\n 57→ assert!(position.is_empty());\n 58→\n 59→ // Verify trades were recorded\n 60→ let trades = engine.get_trades(10).await.expect(\"Trades not found\");\n 61→ assert_eq!(trades.len(), 2);\n 62→ }\n 63→\n 64→ #[tokio::test]\n 65→ async fn test_market_simulation_with_ticks() {\n 66→ let mut engine = create_test_simulator().await;\n 67→\n 68→ // Get initial price\n 69→ let initial_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n 70→ let initial_mid = initial_book.mid_price().unwrap();\n 71→\n 72→ // Advance the market\n 73→ engine.advance(100);\n 74→\n 75→ // Get new price - should have changed\n 76→ let new_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n 77→ let new_mid = new_book.mid_price().unwrap();\n 78→\n 79→ // Price should have moved (in ranging market, might not move much)\n 80→ // but at least we can verify it didn't crash\n 81→ assert!(new_mid > Decimal::ZERO);\n 82→ println!(\"Price changed from {} to {}\", initial_mid, new_mid);\n 83→ }\n 84→\n 85→ #[tokio::test]\n 86→ async fn test_bullish_market_simulation() {\n 87→ let mut engine = create_test_simulator().await;\n 88→\n 89→ // Set bullish market condition\n 90→ engine\n 91→ .market_mut(\"TEST/USD\")\n 92→ .unwrap()\n 93→ .set_condition(MarketCondition::Bullish);\n 94→\n 95→ let initial_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n 96→ let initial_mid = initial_book.mid_price().unwrap();\n 97→\n 98→ // Advance significantly\n 99→ engine.advance(500);\n 100→\n 101→ let final_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n 102→ let final_mid = final_book.mid_price().unwrap();\n 103→\n 104→ // In a bullish market, price should generally trend up over many ticks\n 105→ println!(\"Bullish: {} -> {}\", initial_mid, final_mid);\n 106→ }\n 107→\n 108→ #[tokio::test]\n 109→ async fn test_order_book_depth() {\n 110→ let engine = create_test_simulator().await;\n 111→\n 112→ let book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n 113→\n 114→ // Verify order book structure\n 115→ assert!(!book.bids().is_empty());\n 116→ assert!(!book.asks().is_empty());\n 117→\n 118→ // Bids should be in descending order\n 119→ let bids = book.bids();\n 120→ for i in 1..bids.len() {\n 121→ assert!(bids[i - 1].price().value() > bids[i].price().value());\n 122→ }\n 123→\n 124→ // Asks should be in ascending order\n 125→ let asks = book.asks();\n 126→ for i in 1..asks.len() {\n 127→ assert!(asks[i - 1].price().value() < asks[i].price().value());\n 128→ }\n 129→\n 130→ // Best ask should be higher than best bid\n 131→ let spread = book.spread().unwrap();\n 132→ assert!(spread > Decimal::ZERO);\n 133→ }\n 134→}\n 135→\n 136→mod strat****************tests {\n 137→ use super::*;\n 138→\n 139→ fn create_test_settings() -> TradingSettings {\n 140→ TradingSettings::new(\"TEST/USD\")\n 141→ .with_minimum_profit_steps(2)\n 142→ .with_price_step(Decimal::new(1, 2))\n 143→ .with_lot_size(1)\n 144→ .with_max_position(10)\n 145→ .with_min_order_size_to_buy(10)\n 146→ .with_min_order_size_to_sell(10)\n 147→ .with_order_book_depth(3)\n 148→ }\n 149→\n 150→ #[tokio::test]\n 151→ async fn test_strategy_decision_with_cash() {\n 152→ let engine = create_test_simulator().await;\n 153→ let strategy = ScalpingStrategy::new(create_test_settings());\n 154→\n 155→ let order_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n 156→ let balance = engine.get_balance(&Currency::usd()).await.unwrap();\n 157→\n 158→ let state = MarketState {\n 159→ instrument: \"TEST/USD\".to_string(),\n 160→ order_book,\n 161→ position: None,\n 162→ active_orders: Vec::new(),\n 163→ available_cash: balance.amount(),\n 164→ timestamp: chrono::Utc::now(),\n 165→ };\n 166→\n 167→ let decision = strategy.decide(&state).await;\n 168→\n 169→ // With sufficient cash and liquidity, should suggest a buy\n 170→ assert!(!decision.is_hold(), \"Strategy should suggest a buy action\");\n 171→ }\n 172→\n 173→ #[tokio::test]\n 174→ async fn test_strategy_decision_without_cash() {\n 175→ let engine = create_test_simulator().await;\n 176→ let strategy = ScalpingStrategy::new(create_test_settings());\n 177→\n 178→ let order_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n 179→\n 180→ let state = MarketState {\n 181→ instrument: \"TEST/USD\".to_string(),\n 182→ order_book,\n 183→ position: None,\n 184→ active_orders: Vec::new(),\n 185→ available_cash: Decimal::ZERO, // No cash\n 186→ timestamp: chrono::Utc::now(),\n 187→ };\n 188→\n 189→ let decision = strategy.decide(&state).await;\n 190→\n 191→ // Without cash, should hold\n 192→ assert!(decision.is_hold(), \"Strategy should hold without cash\");\n 193→ }\n 194→\n 195→ #[tokio::test]\n 196→ async fn test_strategy_lifecycle() {\n 197→ let mut strategy = ScalpingStrategy::new(create_test_settings());\n 198→\n 199→ // Simulate a buy fill\n 200→ let price = scalper_trader_bot::types::Price::from_f64(100.0, Currency::usd()).unwrap();\n 201→ let mut buy_order =\n 202→ Order::limit(\"TEST/USD\", OrderSide::Buy, Quantity::from_lots(5), price);\n 203→ buy_order.submit();\n 204→ buy_order.fill(Quantity::from_lots(5));\n 205→\n 206→ strategy.on_order_filled(&buy_order).await;\n 207→\n 208→ // Simulate a sell fill\n 209→ let sell_price = scalper_trader_bot::types::Price::from_f64(100.02, Currency::usd()).unwrap();\n 210→ let mut sell_order =\n 211→ Order::limit(\"TEST/USD\", OrderSide::Sell, Quantity::from_lots(5), sell_price);\n 212→ sell_order.submit();\n 213→ sell_order.fill(Quantity::from_lots(5));\n 214→\n 215→ strategy.on_order_filled(&sell_order).await;\n 216→\n 217→ // Reset and verify clean state\n 218→ strategy.reset().await;\n 219→ }\n 220→}\n 221→\n 222→mod version_tests {\n 223→ use scalper_trader_bot::VERSION;\n 224→\n 225→ #[test]\n 226→ fn test_version_is_not_empty() {\n 227→ assert!(!VERSION.is_empty());\n 228→ }\n 229→\n 230→ #[test]\n 231→ fn test_version_matches_cargo_toml() {\n 232→ // Version should match the one in Cargo.toml\n 233→ assert!(VERSION.starts_with(\"0.\"));\n 234→ }\n 235→}\n 236→"
}
]
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"type": "update",
"filePath": "/tmp/gh-issue-solver-1767013378369/tests/integration_test.rs",
"content": "//! Integration tests for scalper-trader-bot.\n//!\n//! These tests verify the full trading workflow using the simulator.\n\nuse rust_decimal::Decimal;\nuse scalper_trader_bot::exchange::{MarketDataProvider, OrderExecutor};\nuse scalper_trader_bot::simulator::{MarketCondition, SimulatedMarketConfig, SimulatorEngine};\nuse scalper_trader_bot::strategy::{MarketState, ScalpingStrategy, Strategy, TradingSettings};\nuse scalper_trader_bot::types::{Currency, Order, OrderSide, Quantity};\n\n/// Creates a configured simulator for testing.\nasync fn create_test_simulator() -> SimulatorEngine {\n let mut engine = SimulatorEngine::new();\n\n engine.add_market(SimulatedMarketConfig {\n symbol: \"TEST/USD\".to_string(),\n currency: Currency::usd(),\n initial_price: Decimal::from(100),\n price_step: Decimal::new(1, 2), // 0.01\n lot_size: 1,\n spread_ticks: 2,\n base_liquidity: 100,\n book_depth: 10,\n });\n\n engine.add_balance(Currency::usd(), Decimal::from(10000));\n engine.connect().await.expect(\"Failed to connect\");\n\n engine\n}\n\nmod simul*****************tests {\n use super::*;\n\n #[tokio::test]\n async fn test_full_buy_sell_cycle() {\n let mut engine = create_test_simulator().await;\n\n // Buy 10 lots\n let buy_order = Order::market(\"TEST/USD\", OrderSide::Buy, Quantity::from_lots(10));\n let filled_buy = engine.submit_order(buy_order).await.expect(\"Buy failed\");\n assert!(filled_buy.status().is_terminal());\n assert_eq!(filled_buy.filled_quantity().as_lots(), 10);\n\n // Verify position\n let position = engine.get_position(\"TEST/USD\").await.expect(\"Position not found\");\n assert_eq!(position.quantity().as_lots(), 10);\n\n // Sell 10 lots\n let sell_order = Order::market(\"TEST/USD\", OrderSide::Sell, Quantity::from_lots(10));\n let filled_sell = engine.submit_order(sell_order).await.expect(\"Sell failed\");\n assert!(filled_sell.status().is_terminal());\n assert_eq!(filled_sell.filled_quantity().as_lots(), 10);\n\n // Verify position is closed\n let position = engine.get_position(\"TEST/USD\").await.expect(\"Position not found\");\n assert!(position.is_empty());\n\n // Verify trades were recorded\n let trades = engine.get_trades(10).await.expect(\"Trades not found\");\n assert_eq!(trades.len(), 2);\n }\n\n #[tokio::test]\n async fn test_market_simulation_with_ticks() {\n let mut engine = create_test_simulator().await;\n\n // Get initial price\n let initial_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n let initial_mid = initial_book.mid_price().unwrap();\n\n // Advance the market\n engine.advance(100);\n\n // Get new price - should have changed\n let new_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n let new_mid = new_book.mid_price().unwrap();\n\n // Price should have moved (in ranging market, might not move much)\n // but at least we can verify it didn't crash\n assert!(new_mid > Decimal::ZERO);\n println!(\"Price changed from {} to {}\", initial_mid, new_mid);\n }\n\n #[tokio::test]\n async fn test_bullish_market_simulation() {\n let mut engine = create_test_simulator().await;\n\n // Set bullish market condition\n engine\n .market_mut(\"TEST/USD\")\n .unwrap()\n .set_condition(MarketCondition::Bullish);\n\n let initial_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n let initial_mid = initial_book.mid_price().unwrap();\n\n // Advance significantly\n engine.advance(500);\n\n let final_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n let final_mid = final_book.mid_price().unwrap();\n\n // In a bullish market, price should generally trend up over many ticks\n println!(\"Bullish: {} -> {}\", initial_mid, final_mid);\n }\n\n #[tokio::test]\n async fn test_order_book_depth() {\n let engine = create_test_simulator().await;\n\n let book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n\n // Verify order book structure\n assert!(!book.bids().is_empty());\n assert!(!book.asks().is_empty());\n\n // Bids should be in descending order\n let bids = book.bids();\n for i in 1..bids.len() {\n assert!(bids[i - 1].price().value() > bids[i].price().value());\n }\n\n // Asks should be in ascending order\n let asks = book.asks();\n for i in 1..asks.len() {\n assert!(asks[i - 1].price().value() < asks[i].price().value());\n }\n\n // Best ask should be higher than best bid\n let spread = book.spread().unwrap();\n assert!(spread > Decimal::ZERO);\n }\n}\n\nmod strat****************tests {\n use super::*;\n\n fn create_test_settings() -> TradingSettings {\n TradingSettings::new(\"TEST/USD\")\n .with_minimum_profit_steps(2)\n .with_price_step(Decimal::new(1, 2))\n .with_lot_size(1)\n .with_max_position(10)\n .with_min_order_size_to_buy(10)\n .with_min_order_size_to_sell(10)\n .with_order_book_depth(3)\n }\n\n #[tokio::test]\n async fn test_strategy_decision_with_cash() {\n let engine = create_test_simulator().await;\n let strategy = ScalpingStrategy::new(create_test_settings());\n\n let order_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n let balance = engine.get_balance(&Currency::usd()).await.unwrap();\n\n let state = MarketState {\n instrument: \"TEST/USD\".to_string(),\n order_book,\n position: None,\n active_orders: Vec::new(),\n available_cash: balance.amount(),\n timestamp: chrono::Utc::now(),\n };\n\n let decision = strategy.decide(&state).await;\n\n // With sufficient cash and liquidity, should suggest a buy\n assert!(!decision.is_hold(), \"Strategy should suggest a buy action\");\n }\n\n #[tokio::test]\n async fn test_strategy_decision_without_cash() {\n let engine = create_test_simulator().await;\n let strategy = ScalpingStrategy::new(create_test_settings());\n\n let order_book = engine.get_order_book(\"TEST/USD\").await.unwrap();\n\n let state = MarketState {\n instrument: \"TEST/USD\".to_string(),\n order_book,\n position: None,\n active_orders: Vec::new(),\n available_cash: Decimal::ZERO, // No cash\n timestamp: chrono::Utc::now(),\n };\n\n let decision = strategy.decide(&state).await;\n\n // Without cash, should hold\n assert!(decision.is_hold(), \"Strategy should hold without cash\");\n }\n\n #[tokio::test]\n async fn test_strategy_lifecycle() {\n let mut strategy = ScalpingStrategy::new(create_test_settings());\n\n // Simulate a buy fill\n let price = scalper_trader_bot::types::Price::from_f64(100.0, Currency::usd()).unwrap();\n let mut buy_order =\n Order::limit(\"TEST/USD\", OrderSide::Buy, Quantity::from_lots(5), price);\n buy_order.submit();\n buy_order.fill(Quantity::from_lots(5));\n\n strategy.on_order_filled(&buy_order).await;\n\n // Simulate a sell fill\n let sell_price = scalper_trader_bot::types::Price::from_f64(100.02, Currency::usd()).unwrap();\n let mut sell_order =\n Order::limit(\"TEST/USD\", OrderSide::Sell, Quantity::from_lots(5), sell_price);\n sell_order.submit();\n sell_order.fill(Quantity::from_lots(5));\n\n strategy.on_order_filled(&sell_order).await;\n\n // Reset and verify clean state\n strategy.reset().await;\n }\n}\n\nmod version_tests {\n use scalper_trader_bot::VERSION;\n\n #[test]\n fn test_version_is_not_empty() {\n assert!(!VERSION.is_empty());\n }\n\n #[test]\n fn test_version_matches_cargo_toml() {\n // Version should match the one in Cargo.toml\n assert!(VERSION.starts_with(\"0.\"));\n }\n}\n",
"structuredPatch": [
{
"oldStart": 1,
"oldLines": 79,
"newStart": 1,
"newLines": 226,
"lines": [
"-//! Integration tests for my-package.",
"+//! Integration tests for scalper-trader-bot.",
" //!",
"-//! These tests verify the public API works correctly.",
"+//! These tests verify the full trading workflow using the simulator.",
" ",
"-use my_package::{add, delay, multiply};",
"+use rust_decimal::Decimal;",
"+use scalper_trader_bot::exchange::{MarketDataProvider, OrderExecutor};",
"+use scalper_trader_bot::simulator::{MarketCondition, SimulatedMarketConfig, SimulatorEngine};",
"+use scalper_trader_bot::strategy::{MarketState, ScalpingStrategy, Strategy, TradingSettings};",
"+use scalper_trader_bot::types::{Currency, Order, OrderSide, Quantity};",
" ",
"-mod add_i***********tests {",
"- use super::*;",
"+/// Creates a configured simulator for testing.",
"+async fn create_test_simulator() -> SimulatorEngine {",
"+ let mut engine = SimulatorEngine::new();",
" ",
"- #[test]",
"- fn test_add_returns_correct_sum() {",
"- assert_eq!(add(10, 20), 30);",
"- }",
"+ engine.add_market(SimulatedMarketConfig {",
"+ symbol: \"TEST/USD\".to_string(),",
"+ currency: Currency::usd(),",
"+ initial_price: Decimal::from(100),",
"+ price_step: Decimal::new(1, 2), // 0.01",
"+ lot_size: 1,",
"+ spread_ticks: 2,",
"+ base_liquidity: 100,",
"+ book_depth: 10,",
"+ });",
" ",
"- #[test]",
"- fn test_add_handles_large_numbers() {",
"- assert_eq!(add(1_000_000_000, 2_000_000_000), 3_000_000_000);",
"- }",
"+ engine.add_balance(Currency::usd(), Decimal::from(10000));",
"+ engine.connect().await.expect(\"Failed to connect\");",
" ",
"- #[test]",
"- fn test_add_handles_negative_result() {",
"- assert_eq!(add(-100, 50), -50);",
"- }",
"+ engine",
" }",
" ",
"-mod multi****************tests {",
"+mod simul*****************tests {",
" use super::*;",
" ",
"- #[test]",
"- fn test_multiply_returns_correct_product() {",
"- assert_eq!(multiply(10, 20), 200);",
"+ #[tokio::test]",
"+ async fn test_full_buy_sell_cycle() {",
"+ let mut engine = create_test_simulator().await;",
"+",
"+ // Buy 10 lots",
"+ let buy_order = Order::market(\"TEST/USD\", OrderSide::Buy, Quantity::from_lots(10));",
"+ let filled_buy = engine.submit_order(buy_order).await.expect(\"Buy failed\");",
"+ assert!(filled_buy.status().is_terminal());",
"+ assert_eq!(filled_buy.filled_quantity().as_lots(), 10);",
"+",
"+ // Verify position",
"+ let position = engine.get_position(\"TEST/USD\").await.expect(\"Position not found\");",
"+ assert_eq!(position.quantity().as_lots(), 10);",
"+",
"+ // Sell 10 lots",
"+ let sell_order = Order::market(\"TEST/USD\", OrderSide::Sell, Quantity::from_lots(10));",
"+ let filled_sell = engine.submit_order(sell_order).await.expect(\"Sell failed\");",
"+ assert!(filled_sell.status().is_terminal());",
"+ assert_eq!(filled_sell.filled_quantity().as_lots(), 10);",
"+",
"+ // Verify position is closed",
"+ let position = engine.get_position(\"TEST/USD\").await.expect(\"Position not found\");",
"+ assert!(position.is_empty());",
"+",
"+ // Verify trades were recorded",
"+ let trades = engine.get_trades(10).await.expect(\"Trades not found\");",
"+ assert_eq!(trades.len(), 2);",
" }",
" ",
"- #[test]",
"- fn test_multiply_handles_large_numbers() {",
"- assert_eq!(multiply(1_000, 1_000_000), 1_000_000_000);",
"+ #[tokio::test]",
"+ async fn test_market_simulation_with_ticks() {",
"+ let mut engine = create_test_simulator().await;",
"+",
"+ // Get initial price",
"+ let initial_book = engine.get_order_book(\"TEST/USD\").await.unwrap();",
"+ let initial_mid = initial_book.mid_price().unwrap();",
"+",
"+ // Advance the market",
"+ engine.advance(100);",
"+",
"+ // Get new price - should have changed",
"+ let new_book = engine.get_order_book(\"TEST/USD\").await.unwrap();",
"+ let new_mid = new_book.mid_price().unwrap();",
"+",
"+ // Price should have moved (in ranging market, might not move much)",
"+ // but at least we can verify it didn't crash",
"+ assert!(new_mid > Decimal::ZERO);",
"+ println!(\"Price changed from {} to {}\", initial_mid, new_mid);",
" }",
" ",
"- #[test]",
"- fn test_multiply_handles_negative_numbers() {",
"- assert_eq!(multiply(-10, -20), 200);",
"+ #[tokio::test]",
"+ async fn test_bullish_market_simulation() {",
"+ let mut engine = create_test_simulator().await;",
"+",
"+ // Set bullish market condition",
"+ engine",
"+ .market_mut(\"TEST/USD\")",
"+ .unwrap()",
"+ .set_condition(MarketCondition::Bullish);",
"+",
"+ let initial_book = engine.get_order_book(\"TEST/USD\").await.unwrap();",
"+ let initial_mid = initial_book.mid_price().unwrap();",
"+",
"+ // Advance significantly",
"+ engine.advance(500);",
"+",
"+ let final_book = engine.get_order_book(\"TEST/USD\").await.unwrap();",
"+ let final_mid = final_book.mid_price().unwrap();",
"+",
"+ // In a bullish market, price should generally trend up over many ticks",
"+ println!(\"Bullish: {} -> {}\", initial_mid, final_mid);",
" }",
"+",
"+ #[tokio::test]",
"+ async fn test_order_book_depth() {",
"+ let engine = create_test_simulator().await;",
"+",
"+ let book = engine.get_order_book(\"TEST/USD\").await.unwrap();",
"+",
"+ // Verify order book structure",
"+ assert!(!book.bids().is_empty());",
"+ assert!(!book.asks().is_empty());",
"+",
"+ // Bids should be in descending order",
"+ let bids = book.bids();",
"+ for i in 1..bids.len() {",
"+ assert!(bids[i - 1].price().value() > bids[i].price().value());",
"+ }",
"+",
"+ // Asks should be in ascending order",
"+ let asks = book.asks();",
"+ for i in 1..asks.len() {",
"+ assert!(asks[i - 1].price().value() < asks[i].price().value());",
"+ }",
"+",
"+ // Best ask should be higher than best bid",
"+ let spread = book.spread().unwrap();",
"+ assert!(spread > Decimal::ZERO);",
"+ }",
" }",
" ",
"-mod delay*************tests {",
"+mod strat****************tests {",
" use super::*;",
" ",
"+ fn create_test_settings() -> TradingSettings {",
"+ TradingSettings::new(\"TEST/USD\")",
"+ .with_minimum_profit_steps(2)",
"+ .with_price_step(Decimal::new(1, 2))",
"+ .with_lot_size(1)",
"+ .with_max_position(10)",
"+ .with_min_order_size_to_buy(10)",
"+ .with_min_order_size_to_sell(10)",
"+ .with_order_book_depth(3)",
"+ }",
"+",
" #[tokio::test]",
"- async fn test_delay_waits_minimum_time() {",
"- let start = std::time::Instant::now();",
"- delay(0.05).await;",
"- let elapsed = start.elapsed();",
"+ async fn test_strategy_decision_with_cash() {",
"+ let engine = create_test_simulator().await;",
"+ let strategy = ScalpingStrategy::new(create_test_settings());",
" ",
"- assert!(",
"- elapsed.as_secs_f64() >= 0.05,",
"- \"Delay should wait at least 0.05 seconds, but waited {:.4}s\",",
"- elapsed.as_secs_f64()",
"- );",
"+ let order_book = engine.get_order_book(\"TEST/USD\").await.unwrap();",
"+ let balance = engine.get_balance(&Currency::usd()).await.unwrap();",
"+",
"+ let state = MarketState {",
"+ instrument: \"TEST/USD\".to_string(),",
"+ order_book,",
"+ position: None,",
"+ active_orders: Vec::new(),",
"+ available_cash: balance.amount(),",
"+ timestamp: chrono::Utc::now(),",
"+ };",
"+",
"+ let decision = strategy.decide(&state).await;",
"+",
"+ // With sufficient cash and liquidity, should suggest a buy",
"+ assert!(!decision.is_hold(), \"Strategy should suggest a buy action\");",
" }",
" ",
" #[tokio::test]",
"- async fn test_delay_zero_completes_quickly() {",
"- let start = std::time::Instant::now();",
"- delay(0.0).await;",
"- let elapsed = start.elapsed();",
"+ async fn test_strategy_decision_without_cash() {",
"+ let engine = create_test_simulator().await;",
"+ let strategy = ScalpingStrategy::new(create_test_settings());",
" ",
"- assert!(",
"- elapsed.as_secs_f64() < 0.1,",
"- \"Zero delay should complete quickly, but took {:.4}s\",",
"- elapsed.as_secs_f64()",
"- );",
"+ let order_book = engine.get_order_book(\"TEST/USD\").await.unwrap();",
"+",
"+ let state = MarketState {",
"+ instrument: \"TEST/USD\".to_string(),",
"+ order_book,",
"+ position: None,",
"+ active_orders: Vec::new(),",
"+ available_cash: Decimal::ZERO, // No cash",
"+ timestamp: chrono::Utc::now(),",
"+ };",
"+",
"+ let decision = strategy.decide(&state).await;",
"+",
"+ // Without cash, should hold",
"+ assert!(decision.is_hold(), \"Strategy should hold without cash\");",
" }",
"+",
"+ #[tokio::test]",
"+ async fn test_strategy_lifecycle() {",
"+ let mut strategy = ScalpingStrategy::new(create_test_settings());",
"+",
"+ // Simulate a buy fill",
"+ let price = scalper_trader_bot::types::Price::from_f64(100.0, Currency::usd()).unwrap();",
"+ let mut buy_order =",
"+ Order::limit(\"TEST/USD\", OrderSide::Buy, Quantity::from_lots(5), price);",
"+ buy_order.submit();",
"+ buy_order.fill(Quantity::from_lots(5));",
"+",
"+ strategy.on_order_filled(&buy_order).await;",
"+",
"+ // Simulate a sell fill",
"+ let sell_price = scalper_trader_bot::types::Price::from_f64(100.02, Currency::usd()).unwrap();",
"+ let mut sell_order =",
"+ Order::limit(\"TEST/USD\", OrderSide::Sell, Quantity::from_lots(5), sell_price);",
"+ sell_order.submit();",
"+ sell_order.fill(Quantity::from_lots(5));",
"+",
"+ strategy.on_order_filled(&sell_order).await;",
"+",
"+ // Reset and verify clean state",
"+ strategy.reset().await;",
"+ }",
" }",
" ",
" mod version_tests {",
"- use my_package::VERSION;",
"+ use scalper_trader_bot::VERSION;",
" ",
" #[test]",
" fn test_version_is_not_empty() {"
]
}
],
"originalFile": "//! Integration tests for my-package.\n//!\n//! These tests verify the public API works correctly.\n\nuse my_package::{add, delay, multiply};\n\nmod add_i***********tests {\n use super::*;\n\n #[test]\n fn test_add_returns_correct_sum() {\n assert_eq!(add(10, 20), 30);\n }\n\n #[test]\n fn test_add_handles_large_numbers() {\n assert_eq!(add(1_000_000_000, 2_000_000_000), 3_000_000_000);\n }\n\n #[test]\n fn test_add_handles_negative_result() {\n assert_eq!(add(-100, 50), -50);\n }\n}\n\nmod multi****************tests {\n use super::*;\n\n #[test]\n fn test_multiply_returns_correct_product() {\n assert_eq!(multiply(10, 20), 200);\n }\n\n #[test]\n fn test_multiply_handles_large_numbers() {\n assert_eq!(multiply(1_000, 1_000_000), 1_000_000_000);\n }\n\n #[test]\n fn test_multiply_handles_negative_numbers() {\n assert_eq!(multiply(-10, -20), 200);\n }\n}\n\nmod delay*************tests {\n use super::*;\n\n #[tokio::test]\n async fn test_delay_waits_minimum_time() {\n let start = std::time::Instant::now();\n delay(0.05).await;\n let elapsed = start.elapsed();\n\n assert!(\n elapsed.as_secs_f64() >= 0.05,\n \"Delay should wait at least 0.05 seconds, but waited {:.4}s\",\n elapsed.as_secs_f64()\n );\n }\n\n #[tokio::test]\n async fn test_delay_zero_completes_quickly() {\n let start = std::time::Instant::now();\n delay(0.0).await;\n let elapsed = start.elapsed();\n\n assert!(\n elapsed.as_secs_f64() < 0.1,\n \"Zero delay should complete quickly, but took {:.4}s\",\n elapsed.as_secs_f64()\n );\n }\n}\n\nmod version_tests {\n use my_package::VERSION;\n\n #[test]\n fn test_version_is_not_empty() {\n assert!(!VERSION.is_empty());\n }\n\n #[test]\n fn test_version_matches_cargo_toml() {\n // Version should match the one in Cargo.toml\n assert!(VERSION.starts_with(\"0.\"));\n }\n}\n"
}
}
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"content": "//! Basic usage example for scalper-trader-bot.\n//!\n//! This example demonstrates how to use the simulator to test trading strategies.\n//!\n//! Run with: `cargo run --example basic_usage`\n\nuse rust_decimal::Decimal;\nuse scalper_trader_bot::exchange::{MarketDataProvider, OrderExecutor};\nuse scalper_trader_bot::simulator::{SimulatedMarketConfig, SimulatorEngine};\nuse scalper_trader_bot::strategy::{MarketState, ScalpingStrategy, Strategy, TradingSettings};\nuse scalper_trader_bot::types::{Currency, Order, OrderSide, Quantity};\n\n#[tokio::main]\nasync fn main() {\n println!(\"Scalper Trader Bot - Basic Usage Example\");\n println!(\"=========================================\\n\");\n\n // Create a simulated exchange\n let mut engine = SimulatorEngine::new();\n\n // Configure a market for ETH/USDT\n engine.add_market(SimulatedMarketConfig {\n symbol: \"ETH/USDT\".to_string(),\n currency: Currency::usdt(),\n initial_price: Decimal::from(2000),\n price_step: Decimal::new(1, 1), // 0.1\n lot_size: 1,\n spread_ticks: 2,\n base_liquidity: 50,\n book_depth: 10,\n });\n\n // Add initial balance\n engine.add_balance(Currency::usdt(), Decimal::from(10000));\n\n // Connect to the simulator\n engine.connect().await.expect(\"Failed to connect\");\n\n println!(\"Step 1: Connected to simulated exchange\\n\");\n\n // Display initial market state\n let order_book = engine.get_order_book(\"ETH/USDT\").await.unwrap();\n println!(\"Initial Order Book:\");\n if let Some(bid) = order_book.best_bid() {\n println!(\" Best Bid: {} USDT ({} lots)\", bid.price(), bid.total_quantity());\n }\n if let Some(ask) = order_book.best_ask() {\n println!(\" Best Ask: {} USDT ({} lots)\", ask.price(), ask.total_quantity());\n }\n println!();\n\n // Create a scalping strategy\n let settings = TradingSettings::new(\"ETH/USDT\")\n .with_minimum_profit_steps(2)\n .with_price_step(Decimal::new(1, 1))\n .with_lot_size(1)\n .with_max_position(5);\n\n let strategy = ScalpingStrategy::new(settings);\n println!(\"Step 2: Created {} strategy\\n\", strategy.name());\n\n // Get strategy decision\n let balance = engine.get_balance(&Currency::usdt()).await.unwrap();\n let state = MarketState {\n instrument: \"ETH/USDT\".to_string(),\n order_book: engine.get_order_book(\"ETH/USDT\").await.unwrap(),\n position: None,\n active_orders: Vec::new(),\n available_cash: balance.amount(),\n timestamp: chrono::Utc::now(),\n };\n\n let decision = strategy.decide(&state).await;\n println!(\"Step 3: Strategy Decision\");\n println!(\" Actions: {:?}\", decision.actions().len());\n if let Some(reason) = decision.reason() {\n println!(\" Reason: {}\", reason);\n }\n println!();\n\n // Execute some trades manually\n println!(\"Step 4: Executing manual trades\");\n\n // Buy 2 ETH\n let buy_order = Order::market(\"ETH/USDT\", OrderSide::Buy, Quantity::from_lots(2));\n let filled_buy = engine.submit_order(buy_order).await.expect(\"Buy failed\");\n println!(\" Bought {} ETH\", filled_buy.filled_quantity());\n\n // Check position\n let position = engine.get_position(\"ETH/USDT\").await.unwrap();\n println!(\" Position: {} ETH at avg price {}\", position.quantity(), position.average_price());\n\n // Advance the market to simulate time passing\n engine.advance(50);\n\n // Get new order book\n let new_book = engine.get_order_book(\"ETH/USDT\").await.unwrap();\n println!(\"\\nAfter 50 ticks:\");\n if let Some(bid) = new_book.best_bid() {\n println!(\" Best Bid: {} USDT\", bid.price());\n }\n if let Some(ask) = new_book.best_ask() {\n println!(\" Best Ask: {} USDT\", ask.price());\n }\n\n // Sell the position\n let sell_order = Order::market(\"ETH/USDT\", OrderSide::Sell, Quantity::from_lots(2));\n let filled_sell = engine.submit_order(sell_order).await.expect(\"Sell failed\");\n println!(\" Sold {} ETH\", filled_sell.filled_quantity());\n\n // Check final balance\n let final_balance = engine.get_balance(&Currency::usdt()).await.unwrap();\n println!(\"\\nStep 5: Final Results\");\n println!(\" Starting Balance: 10000 USDT\");\n println!(\" Final Balance: {} USDT\", final_balance.amount());\n\n // Display trade history\n let trades = engine.get_trades(10).await.unwrap();\n println!(\"\\nTrade History:\");\n for trade in &trades {\n println!(\n \" {} {} {} @ {}\",\n trade.side(),\n trade.quantity(),\n trade.instrument(),\n trade.price()\n );\n }\n\n println!(\"\\nExample complete!\");\n}\n"
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[2025-12-29T13:20:34.127Z] [INFO] {
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"content": "The file /tmp/gh-issue-solver-1767013378369/examples/basic_usage.rs has been updated. Here's the result of running `cat -n` on a snippet of the edited file:\n 1→//! Basic usage example for scalper-trader-bot.\n 2→//!\n 3→//! This example demonstrates how to use the simulator to test trading strategies.\n 4→//!\n 5→//! Run with: `cargo run --example basic_usage`\n 6→\n 7→use rust_decimal::Decimal;\n 8→use scalper_trader_bot::exchange::{MarketDataProvider, OrderExecutor};\n 9→use scalper_trader_bot::simulator::{SimulatedMarketConfig, SimulatorEngine};\n 10→use scalper_trader_bot::strategy::{MarketState, ScalpingStrategy, Strategy, TradingSettings};\n 11→use scalper_trader_bot::types::{Currency, Order, OrderSide, Quantity};\n 12→\n 13→#[tokio::main]\n 14→async fn main() {\n 15→ println!(\"Scalper Trader Bot - Basic Usage Example\");\n 16→ println!(\"=========================================\\n\");\n 17→\n 18→ // Create a simulated exchange\n 19→ let mut engine = SimulatorEngine::new();\n 20→\n 21→ // Configure a market for ETH/USDT\n 22→ engine.add_market(SimulatedMarketConfig {\n 23→ symbol: \"ETH/USDT\".to_string(),\n 24→ currency: Currency::usdt(),\n 25→ initial_price: Decimal::from(2000),\n 26→ price_step: Decimal::new(1, 1), // 0.1\n 27→ lot_size: 1,\n 28→ spread_ticks: 2,\n 29→ base_liquidity: 50,\n 30→ book_depth: 10,\n 31→ });\n 32→\n 33→ // Add initial balance\n 34→ engine.add_balance(Currency::usdt(), Decimal::from(10000));\n 35→\n 36→ // Connect to the simulator\n 37→ engine.connect().await.expect(\"Failed to connect\");\n 38→\n 39→ println!(\"Step 1: Connected to simulated exchange\\n\");\n 40→\n 41→ // Display initial market state\n 42→ let order_book = engine.get_order_book(\"ETH/USDT\").await.unwrap();\n 43→ println!(\"Initial Order Book:\");\n 44→ if let Some(bid) = order_book.best_bid() {\n 45→ println!(\" Best Bid: {} USDT ({} lots)\", bid.price(), bid.total_quantity());\n 46→ }\n 47→ if let Some(ask) = order_book.best_ask() {\n 48→ println!(\" Best Ask: {} USDT ({} lots)\", ask.price(), ask.total_quantity());\n 49→ }\n 50→ println!();\n 51→\n 52→ // Create a scalping strategy\n 53→ let settings = TradingSettings::new(\"ETH/USDT\")\n 54→ .with_minimum_profit_steps(2)\n 55→ .with_price_step(Decimal::new(1, 1))\n 56→ .with_lot_size(1)\n 57→ .with_max_position(5);\n 58→\n 59→ let strategy = ScalpingStrategy::new(settings);\n 60→ println!(\"Step 2: Created {} strategy\\n\", strategy.name());\n 61→\n 62→ // Get strategy decision\n 63→ let balance = engine.get_balance(&Currency::usdt()).await.unwrap();\n 64→ let state = MarketState {\n 65→ instrument: \"ETH/USDT\".to_string(),\n 66→ order_book: engine.get_order_book(\"ETH/USDT\").await.unwrap(),\n 67→ position: None,\n 68→ active_orders: Vec::new(),\n 69→ available_cash: balance.amount(),\n 70→ timestamp: chrono::Utc::now(),\n 71→ };\n 72→\n 73→ let decision = strategy.decide(&state).await;\n 74→ println!(\"Step 3: Strategy Decision\");\n 75→ println!(\" Actions: {:?}\", decision.actions().len());\n 76→ if let Some(reason) = decision.reason() {\n 77→ println!(\" Reason: {}\", reason);\n 78→ }\n 79→ println!();\n 80→\n 81→ // Execute some trades manually\n 82→ println!(\"Step 4: Executing manual trades\");\n 83→\n 84→ // Buy 2 ETH\n 85→ let buy_order = Order::market(\"ETH/USDT\", OrderSide::Buy, Quantity::from_lots(2));\n 86→ let filled_buy = engine.submit_order(buy_order).await.expect(\"Buy failed\");\n 87→ println!(\" Bought {} ETH\", filled_buy.filled_quantity());\n 88→\n 89→ // Check position\n 90→ let position = engine.get_position(\"ETH/USDT\").await.unwrap();\n 91→ println!(\" Position: {} ETH at avg price {}\", position.quantity(), position.average_price());\n 92→\n 93→ // Advance the market to simulate time passing\n 94→ engine.advance(50);\n 95→\n 96→ // Get new order book\n 97→ let new_book = engine.get_order_book(\"ETH/USDT\").await.unwrap();\n 98→ println!(\"\\nAfter 50 ticks:\");\n 99→ if let Some(bid) = new_book.best_bid() {\n 100→ println!(\" Best Bid: {} USDT\", bid.price());\n 101→ }\n 102→ if let Some(ask) = new_book.best_ask() {\n 103→ println!(\" Best Ask: {} USDT\", ask.price());\n 104→ }\n 105→\n 106→ // Sell the position\n 107→ let sell_order = Order::market(\"ETH/USDT\", OrderSide::Sell, Quantity::from_lots(2));\n 108→ let filled_sell = engine.submit_order(sell_order).await.expect(\"Sell failed\");\n 109→ println!(\" Sold {} ETH\", filled_sell.filled_quantity());\n 110→\n 111→ // Check final balance\n 112→ let final_balance = engine.get_balance(&Currency::usdt()).await.unwrap();\n 113→ println!(\"\\nStep 5: Final Results\");\n 114→ println!(\" Starting Balance: 10000 USDT\");\n 115→ println!(\" Final Balance: {} USDT\", final_balance.amount());\n 116→\n 117→ // Display trade history\n 118→ let trades = engine.get_trades(10).await.unwrap();\n 119→ println!(\"\\nTrade History:\");\n 120→ for trade in &trades {\n 121→ println!(\n 122→ \" {} {} {} @ {}\",\n 123→ trade.side(),\n 124→ trade.quantity(),\n 125→ trade.instrument(),\n 126→ trade.price()\n 127→ );\n 128→ }\n 129→\n 130→ println!(\"\\nExample complete!\");\n 131→}\n 132→"
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"content": "//! Basic usage example for scalper-trader-bot.\n//!\n//! This example demonstrates how to use the simulator to test trading strategies.\n//!\n//! Run with: `cargo run --example basic_usage`\n\nuse rust_decimal::Decimal;\nuse scalper_trader_bot::exchange::{MarketDataProvider, OrderExecutor};\nuse scalper_trader_bot::simulator::{SimulatedMarketConfig, SimulatorEngine};\nuse scalper_trader_bot::strategy::{MarketState, ScalpingStrategy, Strategy, TradingSettings};\nuse scalper_trader_bot::types::{Currency, Order, OrderSide, Quantity};\n\n#[tokio::main]\nasync fn main() {\n println!(\"Scalper Trader Bot - Basic Usage Example\");\n println!(\"=========================================\\n\");\n\n // Create a simulated exchange\n let mut engine = SimulatorEngine::new();\n\n // Configure a market for ETH/USDT\n engine.add_market(SimulatedMarketConfig {\n symbol: \"ETH/USDT\".to_string(),\n currency: Currency::usdt(),\n initial_price: Decimal::from(2000),\n price_step: Decimal::new(1, 1), // 0.1\n lot_size: 1,\n spread_ticks: 2,\n base_liquidity: 50,\n book_depth: 10,\n });\n\n // Add initial balance\n engine.add_balance(Currency::usdt(), Decimal::from(10000));\n\n // Connect to the simulator\n engine.connect().await.expect(\"Failed to connect\");\n\n println!(\"Step 1: Connected to simulated exchange\\n\");\n\n // Display initial market state\n let order_book = engine.get_order_book(\"ETH/USDT\").await.unwrap();\n println!(\"Initial Order Book:\");\n if let Some(bid) = order_book.best_bid() {\n println!(\" Best Bid: {} USDT ({} lots)\", bid.price(), bid.total_quantity());\n }\n if let Some(ask) = order_book.best_ask() {\n println!(\" Best Ask: {} USDT ({} lots)\", ask.price(), ask.total_quantity());\n }\n println!();\n\n // Create a scalping strategy\n let settings = TradingSettings::new(\"ETH/USDT\")\n .with_minimum_profit_steps(2)\n .with_price_step(Decimal::new(1, 1))\n .with_lot_size(1)\n .with_max_position(5);\n\n let strategy = ScalpingStrategy::new(settings);\n println!(\"Step 2: Created {} strategy\\n\", strategy.name());\n\n // Get strategy decision\n let balance = engine.get_balance(&Currency::usdt()).await.unwrap();\n let state = MarketState {\n instrument: \"ETH/USDT\".to_string(),\n order_book: engine.get_order_book(\"ETH/USDT\").await.unwrap(),\n position: None,\n active_orders: Vec::new(),\n available_cash: balance.amount(),\n timestamp: chrono::Utc::now(),\n };\n\n let decision = strategy.decide(&state).await;\n println!(\"Step 3: Strategy Decision\");\n println!(\" Actions: {:?}\", decision.actions().len());\n if let Some(reason) = decision.reason() {\n println!(\" Reason: {}\", reason);\n }\n println!();\n\n // Execute some trades manually\n println!(\"Step 4: Executing manual trades\");\n\n // Buy 2 ETH\n let buy_order = Order::market(\"ETH/USDT\", OrderSide::Buy, Quantity::from_lots(2));\n let filled_buy = engine.submit_order(buy_order).await.expect(\"Buy failed\");\n println!(\" Bought {} ETH\", filled_buy.filled_quantity());\n\n // Check position\n let position = engine.get_position(\"ETH/USDT\").await.unwrap();\n println!(\" Position: {} ETH at avg price {}\", position.quantity(), position.average_price());\n\n // Advance the market to simulate time passing\n engine.advance(50);\n\n // Get new order book\n let new_book = engine.get_order_book(\"ETH/USDT\").await.unwrap();\n println!(\"\\nAfter 50 ticks:\");\n if let Some(bid) = new_book.best_bid() {\n println!(\" Best Bid: {} USDT\", bid.price());\n }\n if let Some(ask) = new_book.best_ask() {\n println!(\" Best Ask: {} USDT\", ask.price());\n }\n\n // Sell the position\n let sell_order = Order::market(\"ETH/USDT\", OrderSide::Sell, Quantity::from_lots(2));\n let filled_sell = engine.submit_order(sell_order).await.expect(\"Sell failed\");\n println!(\" Sold {} ETH\", filled_sell.filled_quantity());\n\n // Check final balance\n let final_balance = engine.get_balance(&Currency::usdt()).await.unwrap();\n println!(\"\\nStep 5: Final Results\");\n println!(\" Starting Balance: 10000 USDT\");\n println!(\" Final Balance: {} USDT\", final_balance.amount());\n\n // Display trade history\n let trades = engine.get_trades(10).await.unwrap();\n println!(\"\\nTrade History:\");\n for trade in &trades {\n println!(\n \" {} {} {} @ {}\",\n trade.side(),\n trade.quantity(),\n trade.instrument(),\n trade.price()\n );\n }\n\n println!(\"\\nExample complete!\");\n}\n",
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"lines": [
"-//! Basic usage example for my-package.",
"+//! Basic usage example for scalper-trader-bot.",
" //!",
"-//! This example demonstrates the basic functionality of the package.",
"+//! This example demonstrates how to use the simulator to test trading strategies.",
" //!",
" //! Run with: `cargo run --example basic_usage`",
" ",
"-use my_package::{add, delay, multiply};",
"+use rust_decimal::Decimal;",
"+use scalper_trader_bot::exchange::{MarketDataProvider, OrderExecutor};",
"+use scalper_trader_bot::simulator::{SimulatedMarketConfig, SimulatorEngine};",
"+use scalper_trader_bot::strategy::{MarketState, ScalpingStrategy, Strategy, TradingSettings};",
"+use scalper_trader_bot::types::{Currency, Order, OrderSide, Quantity};",
" ",
" #[tokio::main]",
" async fn main() {",
"- // Example 1: Basic arithmetic",
"- println!(\"Example 1: Basic arithmetic\");",
"- println!(\"2 + 3 = {}\", add(2, 3));",
"- println!(\"2 * 3 = {}\", multiply(2, 3));",
"- println!();",
"+ println!(\"Scalper Trader Bot - Basic Usage Example\");",
"+ println!(\"=========================================\\n\");",
" ",
"- // Example 2: Working with larger numbers",
"- println!(\"Example 2: Working with larger numbers\");",
"- println!(\"1000 + 2000 = {}\", add(1000, 2000));",
"- println!(\"100 * 200 = {}\", multiply(100, 200));",
"+ // Create a simulated exchange",
"+ let mut engine = SimulatorEngine::new();",
"+",
"+ // Configure a market for ETH/USDT",
"+ engine.add_market(SimulatedMarketConfig {",
"+ symbol: \"ETH/USDT\".to_string(),",
"+ currency: Currency::usdt(),",
"+ initial_price: Decimal::from(2000),",
"+ price_step: Decimal::new(1, 1), // 0.1",
"+ lot_size: 1,",
"+ spread_ticks: 2,",
"+ base_liquidity: 50,",
"+ book_depth: 10,",
"+ });",
"+",
"+ // Add initial balance",
"+ engine.add_balance(Currency::usdt(), Decimal::from(10000));",
"+",
"+ // Connect to the simulator",
"+ engine.connect().await.expect(\"Failed to connect\");",
"+",
"+ println!(\"Step 1: Connected to simulated exchange\\n\");",
"+",
"+ // Display initial market state",
"+ let order_book = engine.get_order_book(\"ETH/USDT\").await.unwrap();",
"+ println!(\"Initial Order Book:\");",
"+ if let Some(bid) = order_book.best_bid() {",
"+ println!(\" Best Bid: {} USDT ({} lots)\", bid.price(), bid.total_quantity());",
"+ }",
"+ if let Some(ask) = order_book.best_ask() {",
"+ println!(\" Best Ask: {} USDT ({} lots)\", ask.price(), ask.total_quantity());",
"+ }",
" println!();",
" ",
"- // Example 3: Working with negative numbers",
"- println!(\"Example 3: Working with negative numbers\");",
"- println!(\"-5 + 10 = {}\", add(-5, 10));",
"- println!(\"-3 * 4 = {}\", multiply(-3, 4));",
"+ // Create a scalping strategy",
"+ let settings = TradingSettings::new(\"ETH/USDT\")",
"+ .with_minimum_profit_steps(2)",
"+ .with_price_step(Decimal::new(1, 1))",
"+ .with_lot_size(1)",
"+ .with_max_position(5);",
"+",
"+ let strategy = ScalpingStrategy::new(settings);",
"+ println!(\"Step 2: Created {} strategy\\n\", strategy.name());",
"+",
"+ // Get strategy decision",
"+ let balance = engine.get_balance(&Currency::usdt()).await.unwrap();",
"+ let state = MarketState {",
"+ instrument: \"ETH/USDT\".to_string(),",
"+ order_book: engine.get_order_book(\"ETH/USDT\").await.unwrap(),",
"+ position: None,",
"+ active_orders: Vec::new(),",
"+ available_cash: balance.amount(),",
"+ timestamp: chrono::Utc::now(),",
"+ };",
"+",
"+ let decision = strategy.decide(&state).await;",
"+ println!(\"Step 3: Strategy Decision\");",
"+ println!(\" Actions: {:?}\", decision.actions().len());",
"+ if let Some(reason) = decision.reason() {",
"+ println!(\" Reason: {}\", reason);",
"+ }",
" println!();",
" ",
"- // Example 4: Async delay",
"- println!(\"Example 4: Async delay\");",
"- println!(\"Waiting for 1 second...\");",
"- delay(1.0).await;",
"- println!(\"Done!\");",
"+ // Execute some trades manually",
"+ println!(\"Step 4: Executing manual trades\");",
"+",
"+ // Buy 2 ETH",
"+ let buy_order = Order::market(\"ETH/USDT\", OrderSide::Buy, Quantity::from_lots(2));",
"+ let filled_buy = engine.submit_order(buy_order).await.expect(\"Buy failed\");",
"+ println!(\" Bought {} ETH\", filled_buy.filled_quantity());",
"+",
"+ // Check position",
"+ let position = engine.get_position(\"ETH/USDT\").await.unwrap();",
"+ println!(\" Position: {} ETH at avg price {}\", position.quantity(), position.average_price());",
"+",
"+ // Advance the market to simulate time passing",
"+ engine.advance(50);",
"+",
"+ // Get new order book",
"+ let new_book = engine.get_order_book(\"ETH/USDT\").await.unwrap();",
"+ println!(\"\\nAfter 50 ticks:\");",
"+ if let Some(bid) = new_book.best_bid() {",
"+ println!(\" Best Bid: {} USDT\", bid.price());",
"+ }",
"+ if let Some(ask) = new_book.best_ask() {",
"+ println!(\" Best Ask: {} USDT\", ask.price());",
"+ }",
"+",
"+ // Sell the position",
"+ let sell_order = Order::market(\"ETH/USDT\", OrderSide::Sell, Quantity::from_lots(2));",
"+ let filled_sell = engine.submit_order(sell_order).await.expect(\"Sell failed\");",
"+ println!(\" Sold {} ETH\", filled_sell.filled_quantity());",
"+",
"+ // Check final balance",
"+ let final_balance = engine.get_balance(&Currency::usdt()).await.unwrap();",
"+ println!(\"\\nStep 5: Final Results\");",
"+ println!(\" Starting Balance: 10000 USDT\");",
"+ println!(\" Final Balance: {} USDT\", final_balance.amount());",
"+",
"+ // Display trade history",
"+ let trades = engine.get_trades(10).await.unwrap();",
"+ println!(\"\\nTrade History:\");",
"+ for trade in &trades {",
"+ println!(",
"+ \" {} {} {} @ {}\",",
"+ trade.side(),",
"+ trade.quantity(),",
"+ trade.instrument(),",
"+ trade.price()",
"+ );",
"+ }",
"+",
"+ println!(\"\\nExample complete!\");",
" }"
]
}
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"content": "# Scalper Trader Bot\n\nA Rust-based automated trading bot with multi-exchange support, market simulator, and comprehensive testing capabilities.\n\n[![CI/CD Pipeline](https://github.com/link-assistant/scalper-trader-bot/workflows/CI%2FCD%20Pipeline/badge.svg)](https://github.com/link-assistant/scalper-trader-bot/actions)\n[![Rust Version](https://img.shields.io/badge/rust-1.70%2B-blue.svg)](https://www.rust-lang.org/)\n[![License: Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/)\n\n## Overview\n\nThis project is a Rust reimplementation inspired by [linksplatform/Bot/TraderBot](https://github.com/linksplatform/Bot/tree/main/csharp/TraderBot) and [suenot/tinkoff-invest-etf-balancer-bot](https://github.com/suenot/tinkoff-invest-etf-balancer-bot), designed with the [code-architecture-principles](https://github.com/link-foundation/code-architecture-principles) in mind.\n\n## Features\n\n- **Scalping Strategy**: Automated buy-low, sell-high trading with configurable profit targets\n- **Multi-Exchange Support**: Unified abstraction layer for different exchanges\n - T-Bank (formerly Tinkoff) - Russian broker\n - Binance - Cryptocurrency exchange\n - Interactive Brokers - International broker\n- **Market Simulator**: Full-featured simulator for backtesting and testing\n - Configurable market conditions (bullish, bearish, ranging, volatile)\n - Realistic order book simulation\n - Trade execution with commissions\n- **Comprehensive Testing**: Unit tests, integration tests, and simulation tests\n- **Type Safety**: Strongly-typed domain model with precise decimal arithmetic\n\n## Architecture\n\n```\nsrc/\n├── types/ # Core domain types (Money, Price, Order, Position, Trade)\n├── exchange/ # Exchange abstraction traits and error types\n├── simulator/ # Market simulator for testing and backtesting\n├── strategy/ # Trading strategies (Scalping, etc.)\n└── adapters/ # Exchange-specific implementations\n ├── tbank.rs # T-Bank (Tinkoff) adapter\n ├── binance.rs # Binance adapter\n └── interactive_brokers.rs # Interactive Brokers adapter\n```\n\n## Quick Start\n\n### Prerequisites\n\n- Rust 1.70 or later\n- Cargo\n\n### Installation\n\n```bash\ngit clone https://github.com/link-assistant/scalper-trader-bot.git\ncd scalper-trader-bot\ncargo build\n```\n\n### Running Tests\n\n```bash\n# Run all tests (unit + integration)\ncargo test\n\n# Run with verbose output\ncargo test --verbose\n\n# Run only unit tests\ncargo test --lib\n\n# Run only integration tests\ncargo test --test integration_test\n```\n\n### Running the Demo\n\n```bash\ncargo run\n```\n\n### Running the Example\n\n```bash\ncargo run --example basic_usage\n```\n\n## Usage\n\n### Basic Example\n\n```rust\nuse scalper_trader_bot::prelude::*;\nuse scalper_trader_bot::simulator::SimulatedMarketConfig;\nuse rust_decimal::Decimal;\n\n#[tokio::main]\nasync fn main() {\n // Create a simulated exchange\n let mut engine = SimulatorEngine::new();\n\n engine.add_market(SimulatedMarketConfig {\n symbol: \"ETH/USDT\".to_string(),\n currency: Currency::usdt(),\n initial_price: Decimal::from(2000),\n ..Default::default()\n });\n\n engine.add_balance(Currency::usdt(), Decimal::from(10000));\n engine.connect().await.unwrap();\n\n // Create a scalping strategy\n let settings = TradingSettings::new(\"ETH/USDT\")\n .with_minimum_profit_steps(2)\n .with_max_position(10);\n\n let strategy = ScalpingStrategy::new(settings);\n\n // Execute trades\n let order = Order::market(\"ETH/USDT\", OrderSide::Buy, Quantity::from_lots(5));\n let filled = engine.submit_order(order).await.unwrap();\n\n println!(\"Filled: {} lots at {}\", filled.filled_quantity(), filled.price().unwrap());\n}\n```\n\n## Configuration\n\nTrading settings can be configured through the `TradingSettings` builder:\n\n```rust\nlet settings = TradingSettings::new(\"SYMBOL\")\n .with_minimum_profit_steps(2) // Minimum profit in price steps\n .with_price_step(Decimal::new(1, 2)) // Price step (tick size)\n .with_lot_size(1) // Lot size for orders\n .with_max_position(100) // Maximum position size\n .with_order_book_depth(5) // Order book depth to analyze\n .with_trading_hours( // Trading time window\n NaiveTime::from_hms_opt(9, 0, 0).unwrap(),\n NaiveTime::from_hms_opt(17, 0, 0).unwrap(),\n );\n```\n\n## Exchange Adapters\n\n### Simulator (Ready for Use)\n\nThe simulator is fully implemented and ready for testing:\n\n```rust\nlet mut engine = SimulatorEngine::new();\nengine.add_market(config);\nengine.connect().await?;\n```\n\n### T-Bank, Binance, Interactive Brokers (Placeholders)\n\nThese adapters are placeholder implementations. To complete them:\n\n1. Add the appropriate SDK dependency to `Cargo.toml`\n2. Implement the `connect()` method with authentication\n3. Implement market data methods (`get_order_book`, etc.)\n4. Implement order execution methods (`submit_order`, etc.)\n\n## Testing Strategy\n\nThe codebase follows a comprehensive testing approach:\n\n1. **Unit Tests**: Every module includes unit tests for isolated functionality\n2. **Integration Tests**: Tests in `tests/` verify the full trading workflow\n3. **Simulator Tests**: Use the market simulator for realistic scenario testing\n4. **Example Scripts**: Runnable examples in `examples/` serve as documentation\n\n## Code Quality\n\nThis project uses:\n\n- **rustfmt**: Standard Rust code formatting\n- **Clippy**: Linting with pedantic and nursery lints\n- **Pre-commit hooks**: Automated quality checks\n\n```bash\n# Format code\ncargo fmt\n\n# Run lints\ncargo clippy --all-targets --all-features\n```\n\n## Contributing\n\nContributions are welcome! Please see [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines.\n\n### Development Workflow\n\n1. Fork the repository\n2. Create a feature branch: `git checkout -b feature/my-feature`\n3. Make changes and add tests\n4. Run quality checks: `cargo fmt && cargo clippy && cargo test`\n5. Add a changelog fragment\n6. Commit and push\n7. Create a Pull Request\n\n## License\n\n[Unlicense](LICENSE) - Public Domain\n\n## Acknowledgments\n\n- [linksplatform/Bot](https://github.com/linksplatform/Bot) - Original C# implementation\n- [suenot/tinkoff-invest-etf-balancer-bot](https://github.com/suenot/tinkoff-invest-etf-balancer-bot) - ETF balancer inspiration\n- [link-foundation/code-architecture-principles](https://github.com/link-foundation/code-architecture-principles) - Architecture guidelines\n"
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"content": "The file /tmp/gh-issue-solver-1767013378369/README.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:\n 1→# Scalper Trader Bot\n 2→\n 3→A Rust-based automated trading bot with multi-exchange support, market simulator, and comprehensive testing capabilities.\n 4→\n 5→[![CI/CD Pipeline](https://github.com/link-assistant/scalper-trader-bot/workflows/CI%2FCD%20Pipeline/badge.svg)](https://github.com/link-assistant/scalper-trader-bot/actions)\n 6→[![Rust Version](https://img.shields.io/badge/rust-1.70%2B-blue.svg)](https://www.rust-lang.org/)\n 7→[![License: Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/)\n 8→\n 9→## Overview\n 10→\n 11→This project is a Rust reimplementation inspired by [linksplatform/Bot/TraderBot](https://github.com/linksplatform/Bot/tree/main/csharp/TraderBot) and [suenot/tinkoff-invest-etf-balancer-bot](https://github.com/suenot/tinkoff-invest-etf-balancer-bot), designed with the [code-architecture-principles](https://github.com/link-foundation/code-architecture-principles) in mind.\n 12→\n 13→## Features\n 14→\n 15→- **Scalping Strategy**: Automated buy-low, sell-high trading with configurable profit targets\n 16→- **Multi-Exchange Support**: Unified abstraction layer for different exchanges\n 17→ - T-Bank (formerly Tinkoff) - Russian broker\n 18→ - Binance - Cryptocurrency exchange\n 19→ - Interactive Brokers - International broker\n 20→- **Market Simulator**: Full-featured simulator for backtesting and testing\n 21→ - Configurable market conditions (bullish, bearish, ranging, volatile)\n 22→ - Realistic order book simulation\n 23→ - Trade execution with commissions\n 24→- **Comprehensive Testing**: Unit tests, integration tests, and simulation tests\n 25→- **Type Safety**: Strongly-typed domain model with precise decimal arithmetic\n 26→\n 27→## Architecture\n 28→\n 29→```\n 30→src/\n 31→├── types/ # Core domain types (Money, Price, Order, Position, Trade)\n 32→├── exchange/ # Exchange abstraction traits and error types\n 33→├── simulator/ # Market simulator for testing and backtesting\n 34→├── strategy/ # Trading strategies (Scalping, etc.)\n 35→└── adapters/ # Exchange-specific implementations\n 36→ ├── tbank.rs # T-Bank (Tinkoff) adapter\n 37→ ├── binance.rs # Binance adapter\n 38→ └── interactive_brokers.rs # Interactive Brokers adapter\n 39→```\n 40→\n 41→## Quick Start\n 42→\n 43→### Prerequisites\n 44→\n 45→- Rust 1.70 or later\n 46→- Cargo\n 47→\n 48→### Installation\n 49→\n 50→```bash\n 51→git clone https://github.com/link-assistant/scalper-trader-bot.git\n 52→cd scalper-trader-bot\n 53→cargo build\n 54→```\n 55→\n 56→### Running Tests\n 57→\n 58→```bash\n 59→# Run all tests (unit + integration)\n 60→cargo test\n 61→\n 62→# Run with verbose output\n 63→cargo test --verbose\n 64→\n 65→# Run only unit tests\n 66→cargo test --lib\n 67→\n 68→# Run only integration tests\n 69→cargo test --test integration_test\n 70→```\n 71→\n 72→### Running the Demo\n 73→\n 74→```bash\n 75→cargo run\n 76→```\n 77→\n 78→### Running the Example\n 79→\n 80→```bash\n 81→cargo run --example basic_usage\n 82→```\n 83→\n 84→## Usage\n 85→\n 86→### Basic Example\n 87→\n 88→```rust\n 89→use scalper_trader_bot::prelude::*;\n 90→use scalper_trader_bot::simulator::SimulatedMarketConfig;\n 91→use rust_decimal::Decimal;\n 92→\n 93→#[tokio::main]\n 94→async fn main() {\n 95→ // Create a simulated exchange\n 96→ let mut engine = SimulatorEngine::new();\n 97→\n 98→ engine.add_market(SimulatedMarketConfig {\n 99→ symbol: \"ETH/USDT\".to_string(),\n 100→ currency: Currency::usdt(),\n 101→ initial_price: Decimal::from(2000),\n 102→ ..Default::default()\n 103→ });\n 104→\n 105→ engine.add_balance(Currency::usdt(), Decimal::from(10000));\n 106→ engine.connect().await.unwrap();\n 107→\n 108→ // Create a scalping strategy\n 109→ let settings = TradingSettings::new(\"ETH/USDT\")\n 110→ .with_minimum_profit_steps(2)\n 111→ .with_max_position(10);\n 112→\n 113→ let strategy = ScalpingStrategy::new(settings);\n 114→\n 115→ // Execute trades\n 116→ let order = Order::market(\"ETH/USDT\", OrderSide::Buy, Quantity::from_lots(5));\n 117→ let filled = engine.submit_order(order).await.unwrap();\n 118→\n 119→ println!(\"Filled: {} lots at {}\", filled.filled_quantity(), filled.price().unwrap());\n 120→}\n 121→```\n 122→\n 123→## Configuration\n 124→\n 125→Trading settings can be configured through the `TradingSettings` builder:\n 126→\n 127→```rust\n 128→let settings = TradingSettings::new(\"SYMBOL\")\n 129→ .with_minimum_profit_steps(2) // Minimum profit in price steps\n 130→ .with_price_step(Decimal::new(1, 2)) // Price step (tick size)\n 131→ .with_lot_size(1) // Lot size for orders\n 132→ .with_max_position(100) // Maximum position size\n 133→ .with_order_book_depth(5) // Order book depth to analyze\n 134→ .with_trading_hours( // Trading time window\n 135→ NaiveTime::from_hms_opt(9, 0, 0).unwrap(),\n 136→ NaiveTime::from_hms_opt(17, 0, 0).unwrap(),\n 137→ );\n 138→```\n 139→\n 140→## Exchange Adapters\n 141→\n 142→### Simulator (Ready for Use)\n 143→\n 144→The simulator is fully implemented and ready for testing:\n 145→\n 146→```rust\n 147→let mut engine = SimulatorEngine::new();\n 148→engine.add_market(config);\n 149→engine.connect().await?;\n 150→```\n 151→\n 152→### T-Bank, Binance, Interactive Brokers (Placeholders)\n 153→\n 154→These adapters are placeholder implementations. To complete them:\n 155→\n 156→1. Add the appropriate SDK dependency to `Cargo.toml`\n 157→2. Implement the `connect()` method with authentication\n 158→3. Implement market data methods (`get_order_book`, etc.)\n 159→4. Implement order execution methods (`submit_order`, etc.)\n 160→\n 161→## Testing Strategy\n 162→\n 163→The codebase follows a comprehensive testing approach:\n 164→\n 165→1. **Unit Tests**: Every module includes unit tests for isolated functionality\n 166→2. **Integration Tests**: Tests in `tests/` verify the full trading workflow\n 167→3. **Simulator Tests**: Use the market simulator for realistic scenario testing\n 168→4. **Example Scripts**: Runnable examples in `examples/` serve as documentation\n 169→\n 170→## Code Quality\n 171→\n 172→This project uses:\n 173→\n 174→- **rustfmt**: Standard Rust code formatting\n 175→- **Clippy**: Linting with pedantic and nursery lints\n 176→- **Pre-commit hooks**: Automated quality checks\n 177→\n 178→```bash\n 179→# Format code\n 180→cargo fmt\n 181→\n 182→# Run lints\n 183→cargo clippy --all-targets --all-features\n 184→```\n 185→\n 186→## Contributing\n 187→\n 188→Contributions are welcome! Please see [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines.\n 189→\n 190→### Development Workflow\n 191→\n 192→1. Fork the repository\n 193→2. Create a feature branch: `git checkout -b feature/my-feature`\n 194→3. Make changes and add tests\n 195→4. Run quality checks: `cargo fmt && cargo clippy && cargo test`\n 196→5. Add a changelog fragment\n 197→6. Commit and push\n 198→7. Create a Pull Request\n 199→\n 200→## License\n 201→\n 202→[Unlicense](LICENSE) - Public Domain\n 203→\n 204→## Acknowledgments\n 205→\n 206→- [linksplatform/Bot](https://github.com/linksplatform/Bot) - Original C# implementation\n 207→- [suenot/tinkoff-invest-etf-balancer-bot](https://github.com/suenot/tinkoff-invest-etf-balancer-bot) - ETF balancer inspiration\n 208→- [link-foundation/code-architecture-principles](https://github.com/link-foundation/code-architecture-principles) - Architecture guidelines\n 209→"
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"content": "# Scalper Trader Bot\n\nA Rust-based automated trading bot with multi-exchange support, market simulator, and comprehensive testing capabilities.\n\n[![CI/CD Pipeline](https://github.com/link-assistant/scalper-trader-bot/workflows/CI%2FCD%20Pipeline/badge.svg)](https://github.com/link-assistant/scalper-trader-bot/actions)\n[![Rust Version](https://img.shields.io/badge/rust-1.70%2B-blue.svg)](https://www.rust-lang.org/)\n[![License: Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/)\n\n## Overview\n\nThis project is a Rust reimplementation inspired by [linksplatform/Bot/TraderBot](https://github.com/linksplatform/Bot/tree/main/csharp/TraderBot) and [suenot/tinkoff-invest-etf-balancer-bot](https://github.com/suenot/tinkoff-invest-etf-balancer-bot), designed with the [code-architecture-principles](https://github.com/link-foundation/code-architecture-principles) in mind.\n\n## Features\n\n- **Scalping Strategy**: Automated buy-low, sell-high trading with configurable profit targets\n- **Multi-Exchange Support**: Unified abstraction layer for different exchanges\n - T-Bank (formerly Tinkoff) - Russian broker\n - Binance - Cryptocurrency exchange\n - Interactive Brokers - International broker\n- **Market Simulator**: Full-featured simulator for backtesting and testing\n - Configurable market conditions (bullish, bearish, ranging, volatile)\n - Realistic order book simulation\n - Trade execution with commissions\n- **Comprehensive Testing**: Unit tests, integration tests, and simulation tests\n- **Type Safety**: Strongly-typed domain model with precise decimal arithmetic\n\n## Architecture\n\n```\nsrc/\n├── types/ # Core domain types (Money, Price, Order, Position, Trade)\n├── exchange/ # Exchange abstraction traits and error types\n├── simulator/ # Market simulator for testing and backtesting\n├── strategy/ # Trading strategies (Scalping, etc.)\n└── adapters/ # Exchange-specific implementations\n ├── tbank.rs # T-Bank (Tinkoff) adapter\n ├── binance.rs # Binance adapter\n └── interactive_brokers.rs # Interactive Brokers adapter\n```\n\n## Quick Start\n\n### Prerequisites\n\n- Rust 1.70 or later\n- Cargo\n\n### Installation\n\n```bash\ngit clone https://github.com/link-assistant/scalper-trader-bot.git\ncd scalper-trader-bot\ncargo build\n```\n\n### Running Tests\n\n```bash\n# Run all tests (unit + integration)\ncargo test\n\n# Run with verbose output\ncargo test --verbose\n\n# Run only unit tests\ncargo test --lib\n\n# Run only integration tests\ncargo test --test integration_test\n```\n\n### Running the Demo\n\n```bash\ncargo run\n```\n\n### Running the Example\n\n```bash\ncargo run --example basic_usage\n```\n\n## Usage\n\n### Basic Example\n\n```rust\nuse scalper_trader_bot::prelude::*;\nuse scalper_trader_bot::simulator::SimulatedMarketConfig;\nuse rust_decimal::Decimal;\n\n#[tokio::main]\nasync fn main() {\n // Create a simulated exchange\n let mut engine = SimulatorEngine::new();\n\n engine.add_market(SimulatedMarketConfig {\n symbol: \"ETH/USDT\".to_string(),\n currency: Currency::usdt(),\n initial_price: Decimal::from(2000),\n ..Default::default()\n });\n\n engine.add_balance(Currency::usdt(), Decimal::from(10000));\n engine.connect().await.unwrap();\n\n // Create a scalping strategy\n let settings = TradingSettings::new(\"ETH/USDT\")\n .with_minimum_profit_steps(2)\n .with_max_position(10);\n\n let strategy = ScalpingStrategy::new(settings);\n\n // Execute trades\n let order = Order::market(\"ETH/USDT\", OrderSide::Buy, Quantity::from_lots(5));\n let filled = engine.submit_order(order).await.unwrap();\n\n println!(\"Filled: {} lots at {}\", filled.filled_quantity(), filled.price().unwrap());\n}\n```\n\n## Configuration\n\nTrading settings can be configured through the `TradingSettings` builder:\n\n```rust\nlet settings = TradingSettings::new(\"SYMBOL\")\n .with_minimum_profit_steps(2) // Minimum profit in price steps\n .with_price_step(Decimal::new(1, 2)) // Price step (tick size)\n .with_lot_size(1) // Lot size for orders\n .with_max_position(100) // Maximum position size\n .with_order_book_depth(5) // Order book depth to analyze\n .with_trading_hours( // Trading time window\n NaiveTime::from_hms_opt(9, 0, 0).unwrap(),\n NaiveTime::from_hms_opt(17, 0, 0).unwrap(),\n );\n```\n\n## Exchange Adapters\n\n### Simulator (Ready for Use)\n\nThe simulator is fully implemented and ready for testing:\n\n```rust\nlet mut engine = SimulatorEngine::new();\nengine.add_market(config);\nengine.connect().await?;\n```\n\n### T-Bank, Binance, Interactive Brokers (Placeholders)\n\nThese adapters are placeholder implementations. To complete them:\n\n1. Add the appropriate SDK dependency to `Cargo.toml`\n2. Implement the `connect()` method with authentication\n3. Implement market data methods (`get_order_book`, etc.)\n4. Implement order execution methods (`submit_order`, etc.)\n\n## Testing Strategy\n\nThe codebase follows a comprehensive testing approach:\n\n1. **Unit Tests**: Every module includes unit tests for isolated functionality\n2. **Integration Tests**: Tests in `tests/` verify the full trading workflow\n3. **Simulator Tests**: Use the market simulator for realistic scenario testing\n4. **Example Scripts**: Runnable examples in `examples/` serve as documentation\n\n## Code Quality\n\nThis project uses:\n\n- **rustfmt**: Standard Rust code formatting\n- **Clippy**: Linting with pedantic and nursery lints\n- **Pre-commit hooks**: Automated quality checks\n\n```bash\n# Format code\ncargo fmt\n\n# Run lints\ncargo clippy --all-targets --all-features\n```\n\n## Contributing\n\nContributions are welcome! Please see [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines.\n\n### Development Workflow\n\n1. Fork the repository\n2. Create a feature branch: `git checkout -b feature/my-feature`\n3. Make changes and add tests\n4. Run quality checks: `cargo fmt && cargo clippy && cargo test`\n5. Add a changelog fragment\n6. Commit and push\n7. Create a Pull Request\n\n## License\n\n[Unlicense](LICENSE) - Public Domain\n\n## Acknowledgments\n\n- [linksplatform/Bot](https://github.com/linksplatform/Bot) - Original C# implementation\n- [suenot/tinkoff-invest-etf-balancer-bot](https://github.com/suenot/tinkoff-invest-etf-balancer-bot) - ETF balancer inspiration\n- [link-foundation/code-architecture-principles](https://github.com/link-foundation/code-architecture-principles) - Architecture guidelines\n",
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"lines": [
"-# rust-ai-driven-development-pipeline-template",
"+# Scalper Trader Bot",
" ",
"-A comprehensive template for AI-driven Rust development with full CI/CD pipeline support.",
"+A Rust-based automated trading bot with multi-exchange support, market simulator, and comprehensive testing capabilities.",
" ",
"-[![CI/CD Pipeline](https://github.com/link-foundation/rust-ai-driven-development-pipeline-template/workflows/CI%2FCD%20Pipeline/badge.svg)](https://github.com/link-foundation/rust-ai-driven-development-pipeline-template/actions)",
"+[![CI/CD Pipeline](https://github.com/link-assistant/scalper-trader-bot/workflows/CI%2FCD%20Pipeline/badge.svg)](https://github.com/link-assistant/scalper-trader-bot/actions)",
" [![Rust Version](https://img.shields.io/badge/rust-1.70%2B-blue.svg)](https://www.rust-lang.org/)",
" [![License: Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/)",
" ",
"-## Features",
"+## Overview",
" ",
"-- **Rust stable support**: Works with Rust stable version",
"-- **Cross-platform testing**: CI runs on Ubuntu, macOS, and Windows",
"-- **Comprehensive testing**: Unit tests, integration tests, and doc tests",
"-- **Code quality**: rustfmt + Clippy with pedantic lints",
"-- **Pre-commit hooks**: Automated code quality checks before commits",
"-- **CI/CD pipeline**: GitHub Actions with multi-platform support",
"-- **Changelog management**: Fragment-based changelog (like Changesets/Scriv)",
"-- **Release automation**: Automatic GitHub releases",
"+This project is a Rust reimplementation inspired by [linksplatform/Bot/TraderBot](https://github.com/linksplatform/Bot/tree/main/csharp/TraderBot) and [suenot/tinkoff-invest-etf-balancer-bot](https://github.com/suenot/tinkoff-invest-etf-balancer-bot), designed with the [code-architecture-principles](https://github.com/link-foundation/code-architecture-principles) in mind.",
" ",
"-## Quick Start",
"+## Features",
" ",
"-### Using This Template",
"+- **Scalping Strategy**: Automated buy-low, sell-high trading with configurable profit targets",
"+- **Multi-Exchange Support**: Unified abstraction layer for different exchanges",
"+ - T-Bank (formerly Tinkoff) - Russian broker",
"+ - Binance - Cryptocurrency exchange",
"+ - Interactive Brokers - International broker",
"+- **Market Simulator**: Full-featured simulator for backtesting and testing",
"+ - Configurable market conditions (bullish, bearish, ranging, volatile)",
"+ - Realistic order book simulation",
"+ - Trade execution with commissions",
"+- **Comprehensive Testing**: Unit tests, integration tests, and simulation tests",
"+- **Type Safety**: Strongly-typed domain model with precise decimal arithmetic",
" ",
"-1. Click \"Use this template\" on GitHub to create a new repository",
"-2. Clone your new repository",
"-3. Update `Cargo.toml` with your package name and description",
"-4. Rename the library and binary in `Cargo.toml`",
"-5. Update imports in tests and examples",
"-6. Build and start developing!",
"+## Architecture",
" ",
"-### Development Setup",
"+```",
"+src/",
"+├── types/ # Core domain types (Money, Price, Order, Position, Trade)",
"+├── exchange/ # Exchange abstraction traits and error types",
"+├── simulator/ # Market simulator for testing and backtesting",
"+├── strategy/ # Trading strategies (Scalping, etc.)",
"+└── adapters/ # Exchange-specific implementations",
"+ ├── tbank.rs # T-Bank (Tinkoff) adapter",
"+ ├── binance.rs # Binance adapter",
"+ └── interactive_brokers.rs # Interactive Brokers adapter",
"+```",
" ",
"-```bash",
"-# Clone the repository",
"-git clone https://github.com/link-foundation/rust-ai-driven-development-pipeline-template.git",
"-cd rust-ai-driven-development-pipeline-template",
"+## Quick Start",
" ",
"-# Build the project",
"-cargo build",
"+### Prerequisites",
" ",
"-# Run tests",
"-cargo test",
"+- Rust 1.70 or later",
"+- Cargo",
" ",
"-# Run the example binary",
"-cargo run",
"+### Installation",
" ",
"-# Run an example",
"-cargo run --example basic_usage",
"+```bash",
"+git clone https://github.com/link-assistant/scalper-trader-bot.git",
"+cd scalper-trader-bot",
"+cargo build",
" ```",
" ",
" ### Running Tests",
" ",
" ```bash",
"-# Run all tests",
"+# Run all tests (unit + integration)",
" cargo test",
" ",
"-# Run tests with verbose output",
"+# Run with verbose output",
" cargo test --verbose",
" ",
"-# Run doc tests",
"-cargo test --doc",
"+# Run only unit tests",
"+cargo test --lib",
" ",
"-# Run a specific test",
"-cargo test test_add_positive_numbers",
"-",
"-# Run tests with output",
"-cargo test -- --nocapture",
"+# Run only integration tests",
"+cargo test --test integration_test",
" ```",
" ",
"-### Code Quality Checks",
"+### Running the Demo",
" ",
" ```bash",
"-# Format code",
"-cargo fmt",
"-",
"-# Check formatting (CI style)",
"-cargo fmt --check",
"-",
"-# Run Clippy lints",
"-cargo clippy --all-targets --all-features",
"-",
"-# Check file size limits",
"-python3 scripts/check_file_size.py",
"-",
"-# Run all checks",
"-cargo fmt --check && cargo clippy --all-targets --all-features && python3 scripts/check_file_size.py",
"+cargo run",
" ```",
" ",
"-## Project Structure",
"+### Running the Example",
" ",
"+```bash",
"+cargo run --example basic_usage",
" ```",
"-.",
"-├── .github/",
"-│ └── workflows/",
"-│ └── release.yml # CI/CD pipeline configuration",
"-├── changelog.d/ # Changelog fragments",
"-│ ├── README.md # Fragment instructions",
"-│ └── *.md # Individual changelog entries",
"-├── examples/",
"-│ └── basic_usage.rs # Usage examples",
"-├── scripts/",
"-│ ├── bump_version.py # Version bumping utility",
"-│ ├── check_file_size.py # File size validation script",
"-│ ├── collect_changelog.py # Changelog collection script",
"-│ ├── create_github_release.py # GitHub release creation",
"-│ └── version_and_commit.py # CI/CD version management",
"-├── src/",
"-│ ├── lib.rs # Library entry point",
"-│ └── main.rs # Binary entry point",
"-├── tests/",
"-│ └── integration_test.rs # Integration tests",
"-├── .gitignore # Git ignore patterns",
"-├── .pre-commit-config.yaml # Pre-commit hooks configuration",
"-├── Cargo.toml # Project configuration",
"-├── CHANGELOG.md # Project changelog",
"-├── CONTRIBUTING.md # Contribution guidelines",
"-├── LICENSE # Unlicense (public domain)",
"-└── README.md # This file",
"-```",
" ",
"-## Design Choices",
"+## Usage",
" ",
"-### Code Quality Tools",
"+### Basic Example",
" ",
"-- **rustfmt**: Standard Rust code formatter",
"- - Ensures consistent code style across the project",
"- - Configured to run on all Rust files",
"+```rust",
"+use scalper_trader_bot::prelude::*;",
"+use scalper_trader_bot::simulator::SimulatedMarketConfig;",
"+use rust_decimal::Decimal;",
" ",
"-- **Clippy**: Rust linter with comprehensive checks",
"- - Pedantic and nursery lints enabled for strict code quality",
"- - Catches common mistakes and suggests improvements",
"- - Enforces best practices",
"+#[tokio::main]",
"+async fn main() {",
"+ // Create a simulated exchange",
"+ let mut engine = SimulatorEngine::new();",
" ",
"-- **Pre-commit hooks**: Automated checks before each commit",
"- - Runs rustfmt to ensure formatting",
"- - Runs Clippy to catch issues early",
"- - Runs tests to prevent broken commits",
"+ engine.add_market(SimulatedMarketConfig {",
"+ symbol: \"ETH/USDT\".to_string(),",
"+ currency: Currency::usdt(),",
"+ initial_price: Decimal::from(2000),",
"+ ..Default::default()",
"+ });",
" ",
"-### Testing Strategy",
"+ engine.add_balance(Currency::usdt(), Decimal::from(10000));",
"+ engine.connect().await.unwrap();",
" ",
"-The template supports multiple levels of testing:",
"+ // Create a scalping strategy",
"+ let settings = TradingSettings::new(\"ETH/USDT\")",
"+ .with_minimum_profit_steps(2)",
"+ .with_max_position(10);",
" ",
"-- **Unit tests**: In `src/lib.rs` using `#[cfg(test)]` modules",
"-- **Integration tests**: In `tests/` directory",
"-- **Doc tests**: In documentation examples using `///` comments",
"-- **Examples**: In `examples/` directory (also serve as documentation)",
"+ let strategy = ScalpingStrategy::new(settings);",
" ",
"-### Changelog Management",
"+ // Execute trades",
"+ let order = Order::market(\"ETH/USDT\", OrderSide::Buy, Quantity::from_lots(5));",
"+ let filled = engine.submit_order(order).await.unwrap();",
" ",
"-This template uses a fragment-based changelog system similar to:",
"-- [Changesets](https://github.com/changesets/changesets) (JavaScript)",
"-- [Scriv](https://scriv.readthedocs.io/) (Python)",
"-",
"-Benefits:",
"-- **No merge conflicts**: Multiple PRs can add fragments without conflicts",
"-- **Per-PR documentation**: Each PR documents its own changes",
"-- **Automated collection**: Fragments are collected during release",
"-- **Consistent format**: Template ensures consistent changelog entries",
"-",
"-```bash",
"-# Create a changelog fragment",
"-touch changelog.d/$(date +%Y%m%d_%H%M%S)_my_change.md",
"-",
"-# Edit the fragment to document your changes",
"+ println!(\"Filled: {} lots at {}\", filled.filled_quantity(), filled.price().unwrap());",
"+}",
" ```",
" ",
"-### CI/CD Pipeline",
"-",
"-The GitHub Actions workflow provides:",
"-",
"-1. **Linting**: rustfmt and Clippy checks",
"-2. **Changelog check**: Warns if PRs are missing changelog fragments",
"-3. **Test matrix**: 3 OS (Ubuntu, macOS, Windows) with Rust stable",
"-4. **Building**: Release build and package validation",
"-5. **Release**: Automated GitHub releases when version changes",
"-",
"-### Release Automation",
"-",
"-The release workflow supports:",
"-",
"-- **Auto-release**: Automatically creates releases when version in Cargo.toml changes",
"-- **Manual release**: Trigger releases via workflow_dispatch with version bump type",
"-- **Changelog collection**: Automatically collects fragments during release",
"-- **GitHub releases**: Automatic creation with CHANGELOG content",
"-",
" ## Configuration",
" ",
"-### Updating Package Name",
"+Trading settings can be configured through the `TradingSettings` builder:",
" ",
"-After creating a repository from this template:",
"+```rust",
"+let settings = TradingSettings::new(\"SYMBOL\")",
"+ .with_minimum_profit_steps(2) // Minimum profit in price steps",
"+ .with_price_step(Decimal::new(1, 2)) // Price step (tick size)",
"+ .with_lot_size(1) // Lot size for orders",
"+ .with_max_position(100) // Maximum position size",
"+ .with_order_book_depth(5) // Order book depth to analyze",
"+ .with_trading_hours( // Trading time window",
"+ NaiveTime::from_hms_opt(9, 0, 0).unwrap(),",
"+ NaiveTime::from_hms_opt(17, 0, 0).unwrap(),",
"+ );",
"+```",
" ",
"-1. Update `Cargo.toml`:",
"- - Change `name` field",
"- - Update `repository` and `documentation` URLs",
"- - Change `[lib]` and `[[bin]]` names",
"+## Exchange Adapters",
" ",
"-2. Rename the crate in imports:",
"- - `tests/integration_test.rs`",
"- - `examples/basic_usage.rs`",
"- - `src/main.rs`",
"+### Simulator (Ready for Use)",
" ",
"-### Clippy Configuration",
"+The simulator is fully implemented and ready for testing:",
" ",
"-Clippy is configured in `Cargo.toml` under `[lints.clippy]`:",
"+```rust",
"+let mut engine = SimulatorEngine::new();",
"+engine.add_market(config);",
"+engine.connect().await?;",
"+```",
" ",
"-- Pedantic lints enabled for strict code quality",
"-- Nursery lints enabled for additional checks",
"-- Some common patterns allowed (e.g., `module_name_repetitions`)",
"+### T-Bank, Binance, Interactive Brokers (Placeholders)",
" ",
"-### rustfmt Configuration",
"+These adapters are placeholder implementations. To complete them:",
" ",
"-Uses default rustfmt settings. To customize, create a `rustfmt.toml`:",
"+1. Add the appropriate SDK dependency to `Cargo.toml`",
"+2. Implement the `connect()` method with authentication",
"+3. Implement market data methods (`get_order_book`, etc.)",
"+4. Implement order execution methods (`submit_order`, etc.)",
" ",
"-```toml",
"-edition = \"2021\"",
"-max_width = 100",
"-tab_spaces = 4",
"-```",
"+## Testing Strategy",
" ",
"-## Scripts Reference",
"+The codebase follows a comprehensive testing approach:",
" ",
"-| Script | Description |",
"-| ----------------------------------- | ------------------------------ |",
"-| `cargo test` | Run all tests |",
"-| `cargo fmt` | Format code |",
"-| `cargo clippy` | Run lints |",
"-| `cargo run --example basic_usage` | Run example |",
"-| `python3 scripts/check_file_size.py`| Check file size limits |",
"-| `python3 scripts/bump_version.py` | Bump version |",
"+1. **Unit Tests**: Every module includes unit tests for isolated functionality",
"+2. **Integration Tests**: Tests in `tests/` verify the full trading workflow",
"+3. **Simulator Tests**: Use the market simulator for realistic scenario testing",
"+4. **Example Scripts**: Runnable examples in `examples/` serve as documentation",
" ",
"-## Example Usage",
"+## Code Quality",
" ",
"-```rust",
"-use my_package::{add, multiply, delay};",
"+This project uses:",
" ",
"-fn main() {",
"- // Basic arithmetic",
"- let sum = add(2, 3); // 5",
"- let product = multiply(2, 3); // 6",
"+- **rustfmt**: Standard Rust code formatting",
"+- **Clippy**: Linting with pedantic and nursery lints",
"+- **Pre-commit hooks**: Automated quality checks",
" ",
"- println!(\"2 + 3 = {sum}\");",
"- println!(\"2 * 3 = {product}\");",
"-}",
"+```bash",
"+# Format code",
"+cargo fmt",
" ",
"-// Async operations",
"-#[tokio::main]",
"-async fn main() {",
"- delay(1.0).await; // Wait for 1 second",
"-}",
"+# Run lints",
"+cargo clippy --all-targets --all-features",
" ```",
" ",
"-See `examples/basic_usage.rs` for more examples.",
"-",
" ## Contributing",
" ",
" Contributions are welcome! Please see [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines."
]
},
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"newLines": 18,
"lines": [
" ",
" 1. Fork the repository",
" 2. Create a feature branch: `git checkout -b feature/my-feature`",
"-3. Make your changes and add tests",
"+3. Make changes and add tests",
" 4. Run quality checks: `cargo fmt && cargo clippy && cargo test`",
" 5. Add a changelog fragment",
"-6. Commit your changes (pre-commit hooks will run automatically)",
"-7. Push and create a Pull Request",
"+6. Commit and push",
"+7. Create a Pull Request",
" ",
" ## License",
" ",
" [Unlicense](LICENSE) - Public Domain",
" ",
"-This is free and unencumbered software released into the public domain. See [LICENSE](LICENSE) for details.",
"-",
" ## Acknowledgments",
" ",
"-Inspired by:",
"-- [js-ai-driven-development-pipeline-template](https://github.com/link-foundation/js-ai-driven-development-pipeline-template)",
"-- [python-ai-driven-development-pipeline-template](https://github.com/link-foundation/python-ai-driven-development-pipeline-template)",
"-",
"-## Resources",
"-",
"-- [Rust Book](https://doc.rust-lang.org/book/)",
"-- [Cargo Book](https://doc.rust-lang.org/cargo/)",
"-- [Clippy Documentation](https://rust-lang.github.io/rust-clippy/)",
"-- [rustfmt Documentation](https://rust-lang.github.io/rustfmt/)",
"-- [Pre-commit Documentation](https://pre-commit.com/)",
"+- [linksplatform/Bot](https://github.com/linksplatform/Bot) - Original C# implementation",
"+- [suenot/tinkoff-invest-etf-balancer-bot](https://github.com/suenot/tinkoff-invest-etf-balancer-bot) - ETF balancer inspiration",
"+- [link-foundation/code-architecture-principles](https://github.com/link-foundation/code-architecture-principles) - Architecture guidelines"
]
}
],
"originalFile": "# rust-ai-driven-development-pipeline-template\n\nA comprehensive template for AI-driven Rust development with full CI/CD pipeline support.\n\n[![CI/CD Pipeline](https://github.com/link-foundation/rust-ai-driven-development-pipeline-template/workflows/CI%2FCD%20Pipeline/badge.svg)](https://github.com/link-foundation/rust-ai-driven-development-pipeline-template/actions)\n[![Rust Version](https://img.shields.io/badge/rust-1.70%2B-blue.svg)](https://www.rust-lang.org/)\n[![License: Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/)\n\n## Features\n\n- **Rust stable support**: Works with Rust stable version\n- **Cross-platform testing**: CI runs on Ubuntu, macOS, and Windows\n- **Comprehensive testing**: Unit tests, integration tests, and doc tests\n- **Code quality**: rustfmt + Clippy with pedantic lints\n- **Pre-commit hooks**: Automated code quality checks before commits\n- **CI/CD pipeline**: GitHub Actions with multi-platform support\n- **Changelog management**: Fragment-based changelog (like Changesets/Scriv)\n- **Release automation**: Automatic GitHub releases\n\n## Quick Start\n\n### Using This Template\n\n1. Click \"Use this template\" on GitHub to create a new repository\n2. Clone your new repository\n3. Update `Cargo.toml` with your package name and description\n4. Rename the library and binary in `Cargo.toml`\n5. Update imports in tests and examples\n6. Build and start developing!\n\n### Development Setup\n\n```bash\n# Clone the repository\ngit clone https://github.com/link-foundation/rust-ai-driven-development-pipeline-template.git\ncd rust-ai-driven-development-pipeline-template\n\n# Build the project\ncargo build\n\n# Run tests\ncargo test\n\n# Run the example binary\ncargo run\n\n# Run an example\ncargo run --example basic_usage\n```\n\n### Running Tests\n\n```bash\n# Run all tests\ncargo test\n\n# Run tests with verbose output\ncargo test --verbose\n\n# Run doc tests\ncargo test --doc\n\n# Run a specific test\ncargo test test_add_positive_numbers\n\n# Run tests with output\ncargo test -- --nocapture\n```\n\n### Code Quality Checks\n\n```bash\n# Format code\ncargo fmt\n\n# Check formatting (CI style)\ncargo fmt --check\n\n# Run Clippy lints\ncargo clippy --all-targets --all-features\n\n# Check file size limits\npython3 scripts/check_file_size.py\n\n# Run all checks\ncargo fmt --check && cargo clippy --all-targets --all-features && python3 scripts/check_file_size.py\n```\n\n## Project Structure\n\n```\n.\n├── .github/\n│ └── workflows/\n│ └── release.yml # CI/CD pipeline configuration\n├── changelog.d/ # Changelog fragments\n│ ├── README.md # Fragment instructions\n│ └── *.md # Individual changelog entries\n├── examples/\n│ └── basic_usage.rs # Usage examples\n├── scripts/\n│ ├── bump_version.py # Version bumping utility\n│ ├── check_file_size.py # File size validation script\n│ ├── collect_changelog.py # Changelog collection script\n│ ├── create_github_release.py # GitHub release creation\n│ └── version_and_commit.py # CI/CD version management\n├── src/\n│ ├── lib.rs # Library entry point\n│ └── main.rs # Binary entry point\n├── tests/\n│ └── integration_test.rs # Integration tests\n├── .gitignore # Git ignore patterns\n├── .pre-commit-config.yaml # Pre-commit hooks configuration\n├── Cargo.toml # Project configuration\n├── CHANGELOG.md # Project changelog\n├── CONTRIBUTING.md # Contribution guidelines\n├── LICENSE # Unlicense (public domain)\n└── README.md # This file\n```\n\n## Design Choices\n\n### Code Quality Tools\n\n- **rustfmt**: Standard Rust code formatter\n - Ensures consistent code style across the project\n - Configured to run on all Rust files\n\n- **Clippy**: Rust linter with comprehensive checks\n - Pedantic and nursery lints enabled for strict code quality\n - Catches common mistakes and suggests improvements\n - Enforces best practices\n\n- **Pre-commit hooks**: Automated checks before each commit\n - Runs rustfmt to ensure formatting\n - Runs Clippy to catch issues early\n - Runs tests to prevent broken commits\n\n### Testing Strategy\n\nThe template supports multiple levels of testing:\n\n- **Unit tests**: In `src/lib.rs` using `#[cfg(test)]` modules\n- **Integration tests**: In `tests/` directory\n- **Doc tests**: In documentation examples using `///` comments\n- **Examples**: In `examples/` directory (also serve as documentation)\n\n### Changelog Management\n\nThis template uses a fragment-based changelog system similar to:\n- [Changesets](https://github.com/changesets/changesets) (JavaScript)\n- [Scriv](https://scriv.readthedocs.io/) (Python)\n\nBenefits:\n- **No merge conflicts**: Multiple PRs can add fragments without conflicts\n- **Per-PR documentation**: Each PR documents its own changes\n- **Automated collection**: Fragments are collected during release\n- **Consistent format**: Template ensures consistent changelog entries\n\n```bash\n# Create a changelog fragment\ntouch changelog.d/$(date +%Y%m%d_%H%M%S)_my_change.md\n\n# Edit the fragment to document your changes\n```\n\n### CI/CD Pipeline\n\nThe GitHub Actions workflow provides:\n\n1. **Linting**: rustfmt and Clippy checks\n2. **Changelog check**: Warns if PRs are missing changelog fragments\n3. **Test matrix**: 3 OS (Ubuntu, macOS, Windows) with Rust stable\n4. **Building**: Release build and package validation\n5. **Release**: Automated GitHub releases when version changes\n\n### Release Automation\n\nThe release workflow supports:\n\n- **Auto-release**: Automatically creates releases when version in Cargo.toml changes\n- **Manual release**: Trigger releases via workflow_dispatch with version bump type\n- **Changelog collection**: Automatically collects fragments during release\n- **GitHub releases**: Automatic creation with CHANGELOG content\n\n## Configuration\n\n### Updating Package Name\n\nAfter creating a repository from this template:\n\n1. Update `Cargo.toml`:\n - Change `name` field\n - Update `repository` and `documentation` URLs\n - Change `[lib]` and `[[bin]]` names\n\n2. Rename the crate in imports:\n - `tests/integration_test.rs`\n - `examples/basic_usage.rs`\n - `src/main.rs`\n\n### Clippy Configuration\n\nClippy is configured in `Cargo.toml` under `[lints.clippy]`:\n\n- Pedantic lints enabled for strict code quality\n- Nursery lints enabled for additional checks\n- Some common patterns allowed (e.g., `module_name_repetitions`)\n\n### rustfmt Configuration\n\nUses default rustfmt settings. To customize, create a `rustfmt.toml`:\n\n```toml\nedition = \"2021\"\nmax_width = 100\ntab_spaces = 4\n```\n\n## Scripts Reference\n\n| Script | Description |\n| ----------------------------------- | ------------------------------ |\n| `cargo test` | Run all tests |\n| `cargo fmt` | Format code |\n| `cargo clippy` | Run lints |\n| `cargo run --example basic_usage` | Run example |\n| `python3 scripts/check_file_size.py`| Check file size limits |\n| `python3 scripts/bump_version.py` | Bump version |\n\n## Example Usage\n\n```rust\nuse my_package::{add, multiply, delay};\n\nfn main() {\n // Basic arithmetic\n let sum = add(2, 3); // 5\n let product = multiply(2, 3); // 6\n\n println!(\"2 + 3 = {sum}\");\n println!(\"2 * 3 = {product}\");\n}\n\n// Async operations\n#[tokio::main]\nasync fn main() {\n delay(1.0).await; // Wait for 1 second\n}\n```\n\nSee `examples/basic_usage.rs` for more examples.\n\n## Contributing\n\nContributions are welcome! Please see [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines.\n\n### Development Workflow\n\n1. Fork the repository\n2. Create a feature branch: `git checkout -b feature/my-feature`\n3. Make your changes and add tests\n4. Run quality checks: `cargo fmt && cargo clippy && cargo test`\n5. Add a changelog fragment\n6. Commit your changes (pre-commit hooks will run automatically)\n7. Push and create a Pull Request\n\n## License\n\n[Unlicense](LICENSE) - Public Domain\n\nThis is free and unencumbered software released into the public domain. See [LICENSE](LICENSE) for details.\n\n## Acknowledgments\n\nInspired by:\n- [js-ai-driven-development-pipeline-template](https://github.com/link-foundation/js-ai-driven-development-pipeline-template)\n- [python-ai-driven-development-pipeline-template](https://github.com/link-foundation/python-ai-driven-development-pipeline-template)\n\n## Resources\n\n- [Rust Book](https://doc.rust-lang.org/book/)\n- [Cargo Book](https://doc.rust-lang.org/cargo/)\n- [Clippy Documentation](https://rust-lang.github.io/rust-clippy/)\n- [rustfmt Documentation](https://rust-lang.github.io/rustfmt/)\n- [Pre-commit Documentation](https://pre-commit.com/)\n"
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"content": " Updating crates.io index\n Locking 99 packages to latest compatible versions\n Adding ahash v0.7.8\n Adding aho-corasick v1.1.4\n Adding andro***************rties v0.1.5\n Adding arrayvec v0.7.6\n Adding async-trait v0.1.89\n Adding autocfg v1.5.0\n Adding bitvec v1.0.1\n Adding borsh v1.6.0\n Adding borsh-derive v1.6.0\n Adding bumpalo v3.19.1\n Adding bytecheck v0.6.12\n Adding bytecheck_derive v0.6.12\n Adding cc v1.2.51\n Adding cfg-if v1.0.4\n Adding cfg_aliases v0.2.1\n Adding chrono v0.4.42\n Adding core-foundation-sys v0.8.7\n Adding equivalent v1.0.2\n Adding find-msvc-tools v0.1.6\n Adding funty v2.0.0\n Adding getrandom v0.2.16\n Adding getrandom v0.3.4\n Adding hashbrown v0.12.3\n Adding hashbrown v0.16.1\n Adding iana-time-zone v0.1.64\n Adding iana-time-zone-haiku v0.1.2\n Adding indexmap v2.12.1\n Adding itoa v1.0.17\n Adding js-sys v0.3.83\n Adding lazy_static v1.5.0\n Adding libc v0.2.178\n Adding log v0.4.29\n Adding matchers v0.2.0\n Adding memchr 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toml_edit v0.23.10+spec-1.0.0\n Adding toml_parser v1.0.6+spec-1.1.0\n Adding tracing v0.1.44\n Adding tracing-attributes v0.1.31\n Adding tracing-core v0.1.36\n Adding tracing-log v0.2.0\n Adding tracing-subscriber v0.3.22\n Adding uuid v1.19.0\n Adding valuable v0.1.1\n Adding version_check v0.9.5\n Adding wasi v0.11.1+wasi-snapshot-preview1\n Adding wasip2 v1.0.1+wasi-0.2.4\n Adding wasm-bindgen v0.2.106\n Adding wasm-bindgen-macro v0.2.106\n Adding wasm-bindgen-macro-support v0.2.106\n Adding wasm-bindgen-shared v0.2.106\n Adding windows-core v0.62.2\n Adding windows-implement v0.60.2\n Adding windows-interface v0.59.3\n Adding windows-link v0.2.1\n Adding windows-result v0.4.1\n Adding windows-strings v0.5.1\n Adding windows-sys v0.61.2\n Adding winnow v0.7.14\n Adding wit-bindgen v0.46.0\n Adding wyz v0.5.1\n Adding zerocopy v0.8.31\n Adding zerocopy-derive v0.8.31\n Adding zmij v1.0.2\n Downloading crates ...\n Downloaded funty v2.0.0\n Downloaded borsh-derive v1.6.0\n Downloaded bytecheck_derive v0.6.12\n Downloaded ptr_meta v0.1.4\n Downloaded ahash v0.7.8\n Downloaded proc-macro-crate v3.4.0\n Downloaded bytecheck v0.6.12\n Downloaded rend v0.4.2\n Downloaded tinyvec_macros v0.1.1\n Downloaded bitvec v1.0.1\n Downloaded tap v1.0.1\n Downloaded wyz v0.5.1\n Downloaded hashbrown v0.12.3\n Downloaded borsh v1.6.0\n Downloaded toml_parser v1.0.6+spec-1.1.0\n Downloaded toml_datetime v0.7.5+spec-1.1.0\n Downloaded winnow v0.7.14\n Downloaded toml_edit v0.23.10+spec-1.0.0\n Downloaded rust_decimal v1.39.0\n Downloaded tinyvec v1.10.0\n Downloaded rkyv v0.7.45\n Downloaded simdutf8 v0.1.5\n Downloaded seahash v4.1.0\n Downloaded rkyv_derive v0.7.45\n Downloaded arrayvec v0.7.6\n Downloaded ptr_meta_derive v0.1.4\n Downloaded radium v0.7.0\n Compiling proc-macro2 v1.0.103\n Compiling unicode-ident v1.0.22\n Compiling quote v1.0.42\n Compiling serde_core v1.0.228\n Compiling autocfg v1.5.0\n Compiling serde v1.0.228\n Compiling libc v0.2.178\n Compiling once_cell v1.21.3\n Compiling cfg-if v1.0.4\n Compiling num-traits v0.2.19\n Compiling pin-project-lite v0.2.16\n Compiling zmij v1.0.2\n Compiling getrandom v0.3.4\n Compiling tracing-core v0.1.36\n Compiling regex-syntax v0.8.8\n Compiling lazy_static v1.5.0\n Compiling log v0.4.29\n Compiling syn v2.0.111\n Compiling rust_decimal v1.39.0\n Compiling thiserror v2.0.17\n Compiling serde_json v1.0.148\n Compiling regex-automata v0.4.13\n Compiling tracing-log v0.2.0\n Compiling sharded-slab v0.1.7\n Compiling thread_local v1.1.9\n Compiling arrayvec v0.7.6\n Compiling iana-time-zone v0.1.64\n Compiling memchr v2.7.6\n Compiling nu-ansi-term v0.50.3\n Compiling itoa v1.0.17\n Compiling smallvec v1.15.1\n Compiling uuid v1.19.0\n Compiling matchers v0.2.0\n Compiling serde_derive v1.0.228\n Compiling tracing-attributes v0.1.31\n Compiling thiserror-impl v2.0.17\n Compiling tokio-macros v2.6.0\n Compiling async-trait v0.1.89\n Compiling tokio v1.48.0\n Compiling tracing v0.1.44\n Compiling tracing-subscriber v0.3.22\n Compiling chrono v0.4.42\n Compiling scalper-trader-bot v0.1.0 (/tmp/gh-issue-solver-1767013378369)\nerror[E0432]: unresolved import `crate::exchange::InstrumentInfo`\n --> src/adapters/binance.rs:18:62\n |\n18 | use crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\n | ^^^^^^^^^^^^^^ no `InstrumentInfo` in `exchange`\n |\nnote: struct `crate::exchange::traits::InstrumentInfo` exists but is inaccessible\n --> src/exchange/traits.rs:24:1\n |\n24 | pub struct InstrumentInfo {\n | ^^^^^^^^^^^^^^^^^^^^^^^^^ not accessible\n\nerror[E0432]: unresolved import `crate::exchange::InstrumentInfo`\n --> src/adapters/interactive_brokers.rs:18:62\n |\n18 | use crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\n | ^^^^^^^^^^^^^^ no `InstrumentInfo` in `exchange`\n |\nnote: struct `crate::exchange::traits::InstrumentInfo` exists but is inaccessible\n --> src/exchange/traits.rs:24:1\n |\n24 | pub struct InstrumentInfo {\n | ^^^^^^^^^^^^^^^^^^^^^^^^^ not accessible\n\nerror[E0432]: unresolved import `crate::exchange::InstrumentInfo`\n --> src/adapters/tbank.rs:18:62\n |\n18 | use crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\n | ^^^^^^^^^^^^^^ no `InstrumentInfo` in `exchange`\n |\nnote: struct `crate::exchange::traits::InstrumentInfo` exists but is inaccessible\n --> src/exchange/traits.rs:24:1\n |\n24 | pub struct InstrumentInfo {\n | ^^^^^^^^^^^^^^^^^^^^^^^^^ not accessible\n\nerror[E0432]: unresolved import `crate::exchange::InstrumentInfo`\n --> src/simulator/engine.rs:4:62\n |\n 4 | use crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\n | ^^^^^^^^^^^^^^ no `InstrumentInfo` in `exchange`\n |\nnote: struct `crate::exchange::traits::InstrumentInfo` exists but is inaccessible\n --> src/exchange/traits.rs:24:1\n |\n24 | pub struct InstrumentInfo {\n | ^^^^^^^^^^^^^^^^^^^^^^^^^ not accessible\n\nerror[E0277]: can't compare `Currency` with `Currency`\n --> src/types/money.rs:165:5\n |\n162 | #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]\n | ---------- in this derive macro expansion\n...\n165 | currency: Currency,\n | ^^^^^^^^^^^^^^^^^^ no implementation for `Currency < Currency` and `Currency > Currency`\n |\n = help: the trait `PartialOrd` is not implemented for `Currency`\nhelp: consider annotating `Currency` with `#[derive(PartialOrd)]`\n |\n 9 + #[derive(PartialOrd)]\n 10 | pub struct Currency(String);\n |\n\nerror[E0277]: the trait bound `Currency: Ord` is not satisfied\n --> src/types/money.rs:165:5\n |\n162 | #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]\n | --- in this derive macro expansion\n...\n165 | currency: Currency,\n | ^^^^^^^^^^^^^^^^^^ the trait `Ord` is not implemented for `Currency`\n |\nhelp: consider annotating `Currency` with `#[derive(Ord)]`\n |\n 9 + #[derive(Ord)]\n 10 | pub struct Currency(String);\n |\n\nerror[E0499]: cannot borrow `*self` as mutable more than once at a time\n --> src/simulator/engine.rs:124:21\n |\n118 | if let Some(order) = self.orders.get_mut(&order_id) {\n | ----------- first mutable borrow occurs here\n...\n124 | self.try_fill_order(order, market);\n | ^^^^ ----- first borrow later used here\n | |\n | second mutable borrow occurs here\n\nSome errors have detailed explanations: E0277, E0432, E0499.\nFor more information about an error, try `rustc --explain E0277`.\nerror: could not compile `scalper-trader-bot` (lib) due to 7 previous errors",
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v2.7.6\n Adding nu-ansi-term v0.50.3\n Adding num-traits v0.2.19\n Adding once_cell v1.21.3\n Adding ppv-lite86 v0.2.21\n Adding proc-macro-crate v3.4.0\n Adding ptr_meta v0.1.4\n Adding ptr_meta_derive v0.1.4\n Adding r-efi v5.3.0\n Adding radium v0.7.0\n Adding rand v0.8.5\n Adding rand_chacha v0.3.1\n Adding rand_core v0.6.4\n Adding regex-automata v0.4.13\n Adding regex-syntax v0.8.8\n Adding rend v0.4.2\n Adding rkyv v0.7.45\n Adding rkyv_derive v0.7.45\n Adding rust_decimal v1.39.0\n Adding rustversion v1.0.22\n Adding seahash v4.1.0\n Adding serde v1.0.228\n Adding serde_core v1.0.228\n Adding serde_derive v1.0.228\n Adding serde_json v1.0.148\n Adding sharded-slab v0.1.7\n Adding shlex v1.3.0\n Adding simdutf8 v0.1.5\n Adding smallvec v1.15.1\n Adding syn v1.0.109\n Adding tap v1.0.1\n Adding thiserror v2.0.17\n Adding thiserror-impl v2.0.17\n Adding thread_local v1.1.9\n Adding tinyvec v1.10.0\n Adding tinyvec_macros v0.1.1\n Adding toml_datetime v0.7.5+spec-1.1.0\n Adding toml_edit v0.23.10+spec-1.0.0\n Adding toml_parser v1.0.6+spec-1.1.0\n Adding tracing v0.1.44\n Adding tracing-attributes v0.1.31\n Adding tracing-core v0.1.36\n Adding tracing-log v0.2.0\n Adding tracing-subscriber v0.3.22\n Adding uuid v1.19.0\n Adding valuable v0.1.1\n Adding version_check v0.9.5\n Adding wasi v0.11.1+wasi-snapshot-preview1\n Adding wasip2 v1.0.1+wasi-0.2.4\n Adding wasm-bindgen v0.2.106\n Adding wasm-bindgen-macro v0.2.106\n Adding wasm-bindgen-macro-support v0.2.106\n Adding wasm-bindgen-shared v0.2.106\n Adding windows-core v0.62.2\n Adding windows-implement v0.60.2\n Adding windows-interface v0.59.3\n Adding windows-link v0.2.1\n Adding windows-result v0.4.1\n Adding windows-strings v0.5.1\n Adding windows-sys v0.61.2\n Adding winnow v0.7.14\n Adding wit-bindgen v0.46.0\n Adding wyz v0.5.1\n Adding zerocopy v0.8.31\n Adding zerocopy-derive v0.8.31\n Adding zmij v1.0.2\n Downloading crates ...\n Downloaded funty v2.0.0\n Downloaded borsh-derive v1.6.0\n Downloaded bytecheck_derive v0.6.12\n Downloaded ptr_meta v0.1.4\n Downloaded ahash v0.7.8\n Downloaded proc-macro-crate v3.4.0\n Downloaded bytecheck v0.6.12\n Downloaded rend v0.4.2\n Downloaded tinyvec_macros v0.1.1\n Downloaded bitvec v1.0.1\n Downloaded tap v1.0.1\n Downloaded wyz v0.5.1\n Downloaded hashbrown v0.12.3\n Downloaded borsh v1.6.0\n Downloaded toml_parser v1.0.6+spec-1.1.0\n Downloaded toml_datetime v0.7.5+spec-1.1.0\n Downloaded winnow v0.7.14\n Downloaded toml_edit v0.23.10+spec-1.0.0\n Downloaded rust_decimal v1.39.0\n Downloaded tinyvec v1.10.0\n Downloaded rkyv v0.7.45\n Downloaded simdutf8 v0.1.5\n Downloaded seahash v4.1.0\n Downloaded rkyv_derive v0.7.45\n Downloaded arrayvec v0.7.6\n Downloaded ptr_meta_derive v0.1.4\n Downloaded radium v0.7.0\n Compiling proc-macro2 v1.0.103\n Compiling unicode-ident v1.0.22\n Compiling quote v1.0.42\n Compiling serde_core v1.0.228\n Compiling autocfg v1.5.0\n Compiling serde v1.0.228\n Compiling libc v0.2.178\n Compiling once_cell v1.21.3\n Compiling cfg-if v1.0.4\n Compiling num-traits v0.2.19\n Compiling pin-project-lite v0.2.16\n Compiling zmij v1.0.2\n Compiling getrandom v0.3.4\n Compiling tracing-core v0.1.36\n Compiling regex-syntax v0.8.8\n Compiling lazy_static v1.5.0\n Compiling log v0.4.29\n Compiling syn v2.0.111\n Compiling rust_decimal v1.39.0\n Compiling thiserror v2.0.17\n Compiling serde_json v1.0.148\n Compiling regex-automata v0.4.13\n Compiling tracing-log v0.2.0\n Compiling sharded-slab v0.1.7\n Compiling thread_local v1.1.9\n Compiling arrayvec v0.7.6\n Compiling iana-time-zone v0.1.64\n Compiling memchr v2.7.6\n Compiling nu-ansi-term v0.50.3\n Compiling itoa v1.0.17\n Compiling smallvec v1.15.1\n Compiling uuid v1.19.0\n Compiling matchers v0.2.0\n Compiling serde_derive v1.0.228\n Compiling tracing-attributes v0.1.31\n Compiling thiserror-impl v2.0.17\n Compiling tokio-macros v2.6.0\n Compiling async-trait v0.1.89\n Compiling tokio v1.48.0\n Compiling tracing v0.1.44\n Compiling tracing-subscriber v0.3.22\n Compiling chrono v0.4.42\n Compiling scalper-trader-bot v0.1.0 (/tmp/gh-issue-solver-1767013378369)\nerror[E0432]: unresolved import `crate::exchange::InstrumentInfo`\n --> src/adapters/binance.rs:18:62\n |\n18 | use crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\n | ^^^^^^^^^^^^^^ no `InstrumentInfo` in `exchange`\n |\nnote: struct `crate::exchange::traits::InstrumentInfo` exists but is inaccessible\n --> src/exchange/traits.rs:24:1\n |\n24 | pub struct InstrumentInfo {\n | ^^^^^^^^^^^^^^^^^^^^^^^^^ not accessible\n\nerror[E0432]: unresolved import `crate::exchange::InstrumentInfo`\n --> src/adapters/interactive_brokers.rs:18:62\n |\n18 | use crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\n | ^^^^^^^^^^^^^^ no `InstrumentInfo` in `exchange`\n |\nnote: struct `crate::exchange::traits::InstrumentInfo` exists but is inaccessible\n --> src/exchange/traits.rs:24:1\n |\n24 | pub struct InstrumentInfo {\n | ^^^^^^^^^^^^^^^^^^^^^^^^^ not accessible\n\nerror[E0432]: unresolved import `crate::exchange::InstrumentInfo`\n --> src/adapters/tbank.rs:18:62\n |\n18 | use crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\n | ^^^^^^^^^^^^^^ no `InstrumentInfo` in `exchange`\n |\nnote: struct `crate::exchange::traits::InstrumentInfo` exists but is inaccessible\n --> src/exchange/traits.rs:24:1\n |\n24 | pub struct InstrumentInfo {\n | ^^^^^^^^^^^^^^^^^^^^^^^^^ not accessible\n\nerror[E0432]: unresolved import `crate::exchange::InstrumentInfo`\n --> src/simulator/engine.rs:4:62\n |\n 4 | use crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\n | ^^^^^^^^^^^^^^ no `InstrumentInfo` in `exchange`\n |\nnote: struct `crate::exchange::traits::InstrumentInfo` exists but is inaccessible\n --> src/exchange/traits.rs:24:1\n |\n24 | pub struct InstrumentInfo {\n | ^^^^^^^^^^^^^^^^^^^^^^^^^ not accessible\n\nerror[E0277]: can't compare `Currency` with `Currency`\n --> src/types/money.rs:165:5\n |\n162 | #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]\n | ---------- in this derive macro expansion\n...\n165 | currency: Currency,\n | ^^^^^^^^^^^^^^^^^^ no implementation for `Currency < Currency` and `Currency > Currency`\n |\n = help: the trait `PartialOrd` is not implemented for `Currency`\nhelp: consider annotating `Currency` with `#[derive(PartialOrd)]`\n |\n 9 + #[derive(PartialOrd)]\n 10 | pub struct Currency(String);\n |\n\nerror[E0277]: the trait bound `Currency: Ord` is not satisfied\n --> src/types/money.rs:165:5\n |\n162 | #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]\n | --- in this derive macro expansion\n...\n165 | currency: Currency,\n | ^^^^^^^^^^^^^^^^^^ the trait `Ord` is not implemented for `Currency`\n |\nhelp: consider annotating `Currency` with `#[derive(Ord)]`\n |\n 9 + #[derive(Ord)]\n 10 | pub struct Currency(String);\n |\n\nerror[E0499]: cannot borrow `*self` as mutable more than once at a time\n --> src/simulator/engine.rs:124:21\n |\n118 | if let Some(order) = self.orders.get_mut(&order_id) {\n | ----------- first mutable borrow occurs here\n...\n124 | self.try_fill_order(order, market);\n | ^^^^ ----- first borrow later used here\n | |\n | second mutable borrow occurs here\n\nSome errors have detailed explanations: E0277, E0432, E0499.\nFor more information about an error, try `rustc --explain E0277`.\nerror: could not compile `scalper-trader-bot` (lib) due to 7 previous errors",
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[2025-12-29T13:22:18.083Z] [INFO] {
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"id": "msg_01KzeJUSZ3ib8xCQvmXMEg9k",
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"content": [
{
"type": "text",
"text": "I need to fix a few issues. Let me fix them one by one:"
}
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[2025-12-29T13:22:19.169Z] [INFO] {
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{
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[2025-12-29T13:22:19.212Z] [INFO] {
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"content": " 1→//! Monetary types for precise financial calculations.\n 2→\n 3→use rust_decimal::Decimal;\n 4→use serde::{Deserialize, Serialize};\n 5→use std::fmt;\n 6→\n 7→/// Represents a currency code (e.g., USD, RUB, BTC).\n 8→#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]\n 9→pub struct Currency(String);\n 10→\n 11→impl Currency {\n 12→ /// Creates a new currency from a code string.\n 13→ #[must_use]\n 14→ pub fn new(code: impl Into<String>) -> Self {\n 15→ Self(code.into().to_uppercase())\n 16→ }\n 17→\n 18→ /// Returns the currency code.\n 19→ #[must_use]\n 20→ pub fn code(&self) -> &str {\n 21→ &self.0\n 22→ }\n 23→\n 24→ /// US Dollar.\n 25→ #[must_use]\n 26→ pub fn usd() -> Self {\n 27→ Self::new(\"USD\")\n 28→ }\n 29→\n 30→ /// Russian Ruble.\n 31→ #[must_use]\n 32→ pub fn rub() -> Self {\n 33→ Self::new(\"RUB\")\n 34→ }\n 35→\n 36→ /// Bitcoin.\n 37→ #[must_use]\n 38→ pub fn btc() -> Self {\n 39→ Self::new(\"BTC\")\n 40→ }\n 41→\n 42→ /// Ethereum.\n 43→ #[must_use]\n 44→ pub fn eth() -> Self {\n 45→ Self::new(\"ETH\")\n 46→ }\n 47→\n 48→ /// Tether (USDT).\n 49→ #[must_use]\n 50→ pub fn usdt() -> Self {\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"oldString": "/// Represents a currency code (e.g., USD, RUB, BTC).\n#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]\npub struct Currency(String);",
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Monetary types for precise financial calculations.\n\nuse rust_decimal::Decimal;\nuse serde::{Deserialize, Serialize};\nuse std::fmt;\n\n/// Represents a currency code (e.g., USD, RUB, BTC).\n#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]\npub struct Currency(String);\n\nimpl Currency {\n /// Creates a new currency from a code string.\n #[must_use]\n pub fn new(code: impl Into<String>) -> Self {\n Self(code.into().to_uppercase())\n }\n\n /// Returns the currency code.\n #[must_use]\n pub fn code(&self) -> &str {\n &self.0\n }\n\n /// US Dollar.\n #[must_use]\n pub fn usd() -> Self {\n Self::new(\"USD\")\n }\n\n /// Russian Ruble.\n #[must_use]\n pub fn rub() -> Self {\n Self::new(\"RUB\")\n }\n\n /// Bitcoin.\n #[must_use]\n pub fn btc() -> Self {\n Self::new(\"BTC\")\n }\n\n /// Ethereum.\n #[must_use]\n pub fn eth() -> Self {\n Self::new(\"ETH\")\n }\n\n /// Tether (USDT).\n #[must_use]\n pub fn usdt() -> Self {\n Self::new(\"USDT\")\n }\n}\n\nimpl fmt::Display for Currency {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{}\", self.0)\n }\n}\n\n/// Represents a precise monetary amount.\n#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]\npub struct Money {\n amount: Decimal,\n currency: Currency,\n}\n\nimpl Money {\n /// Creates a new money value.\n #[must_use]\n pub fn new(amount: Decimal, currency: Currency) -> Self {\n Self { amount, currency }\n }\n\n /// Creates a money value from a floating-point amount.\n #[must_use]\n pub fn from_f64(amount: f64, currency: Currency) -> Self {\n Self {\n amount: Decimal::try_from(amount).unwrap_or_default(),\n currency,\n }\n }\n\n /// Returns the amount.\n #[must_use]\n pub fn amount(&self) -> Decimal {\n self.amount\n }\n\n /// Returns the currency.\n #[must_use]\n pub fn currency(&self) -> &Currency {\n &self.currency\n }\n\n /// Creates a zero amount for the given currency.\n #[must_use]\n pub fn zero(currency: Currency) -> Self {\n Self {\n amount: Decimal::ZERO,\n currency,\n }\n }\n\n /// Checks if the amount is zero.\n #[must_use]\n pub fn is_zero(&self) -> bool {\n self.amount.is_zero()\n }\n\n /// Checks if the amount is positive.\n #[must_use]\n pub fn is_positive(&self) -> bool {\n self.amount.is_sign_positive() && !self.amount.is_zero()\n }\n\n /// Adds another money value (must be same currency).\n pub fn add(&self, other: &Self) -> Result<Self, MoneyError> {\n if self.currency != other.currency {\n return Err(MoneyError::CurrencyMismatch {\n expected: self.currency.clone(),\n actual: other.currency.clone(),\n });\n }\n Ok(Self {\n amount: self.amount + other.amount,\n currency: self.currency.clone(),\n })\n }\n\n /// Subtracts another money value (must be same currency).\n pub fn subtract(&self, other: &Self) -> Result<Self, MoneyError> {\n if self.currency != other.currency {\n return Err(MoneyError::CurrencyMismatch {\n expected: self.currency.clone(),\n actual: other.currency.clone(),\n });\n }\n Ok(Self {\n amount: self.amount - other.amount,\n currency: self.currency.clone(),\n })\n }\n\n /// Multiplies by a quantity.\n #[must_use]\n pub fn multiply(&self, quantity: Quantity) -> Self {\n Self {\n amount: self.amount * quantity.value(),\n currency: self.currency.clone(),\n }\n }\n}\n\nimpl fmt::Display for Money {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{} {}\", self.amount, self.currency)\n }\n}\n\n/// Represents a price (always positive).\n#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]\npub struct Price {\n value: Decimal,\n currency: Currency,\n}\n\nimpl Price {\n /// Creates a new price.\n pub fn new(value: Decimal, currency: Currency) -> Result<Self, MoneyError> {\n if value.is_sign_negative() {\n return Err(MoneyError::NegativePrice);\n }\n Ok(Self { value, currency })\n }\n\n /// Creates a price from a floating-point value.\n pub fn from_f64(value: f64, currency: Currency) -> Result<Self, MoneyError> {\n let decimal = Decimal::try_from(value).map_err(|_| MoneyError::InvalidDecimal)?;\n Self::new(decimal, currency)\n }\n\n /// Returns the price value.\n #[must_use]\n pub fn value(&self) -> Decimal {\n self.value\n }\n\n /// Returns the currency.\n #[must_use]\n pub fn currency(&self) -> &Currency {\n &self.currency\n }\n\n /// Adds a step to the price.\n #[must_use]\n pub fn add_step(&self, step: Decimal) -> Self {\n Self {\n value: self.value + step,\n currency: self.currency.clone(),\n }\n }\n\n /// Subtracts a step from the price.\n #[must_use]\n pub fn subtract_step(&self, step: Decimal) -> Self {\n let new_value = self.value - step;\n Self {\n value: if new_value.is_sign_negative() {\n Decimal::ZERO\n } else {\n new_value\n },\n currency: self.currency.clone(),\n }\n }\n\n /// Calculates the difference from another price.\n pub fn difference(&self, other: &Self) -> Result<Decimal, MoneyError> {\n if self.currency != other.currency {\n return Err(MoneyError::CurrencyMismatch {\n expected: self.currency.clone(),\n actual: other.currency.clone(),\n });\n }\n Ok(self.value - other.value)\n }\n}\n\nimpl fmt::Display for Price {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{} {}\", self.value, self.currency)\n }\n}\n\n/// Represents a quantity of an asset.\n#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]\npub struct Quantity(Decimal);\n\nimpl Quantity {\n /// Creates a new quantity.\n pub fn new(value: Decimal) -> Result<Self, MoneyError> {\n if value.is_sign_negative() {\n return Err(MoneyError::NegativeQuantity);\n }\n Ok(Self(value))\n }\n\n /// Creates a quantity from a u64.\n #[must_use]\n pub fn from_lots(lots: u64) -> Self {\n Self(Decimal::from(lots))\n }\n\n /// Creates a quantity from a floating-point value.\n pub fn from_f64(value: f64) -> Result<Self, MoneyError> {\n if value < 0.0 {\n return Err(MoneyError::NegativeQuantity);\n }\n Ok(Self(\n Decimal::try_from(value).map_err(|_| MoneyError::InvalidDecimal)?,\n ))\n }\n\n /// Returns the quantity value.\n #[must_use]\n pub fn value(&self) -> Decimal {\n self.0\n }\n\n /// Returns the quantity as lots (whole number).\n #[must_use]\n pub fn as_lots(&self) -> u64 {\n self.0.to_string().parse().unwrap_or(0)\n }\n\n /// Checks if the quantity is zero.\n #[must_use]\n pub fn is_zero(&self) -> bool {\n self.0.is_zero()\n }\n\n /// Creates a zero quantity.\n #[must_use]\n pub fn zero() -> Self {\n Self(Decimal::ZERO)\n }\n\n /// Adds another quantity.\n #[must_use]\n pub fn add(&self, other: Self) -> Self {\n Self(self.0 + other.0)\n }\n\n /// Subtracts another quantity (returns zero if would be negative).\n #[must_use]\n pub fn subtract(&self, other: Self) -> Self {\n let result = self.0 - other.0;\n if result.is_sign_negative() {\n Self::zero()\n } else {\n Self(result)\n }\n }\n}\n\nimpl fmt::Display for Quantity {\n fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n write!(f, \"{}\", self.0)\n }\n}\n\n/// Error type for money operations.\n#[derive(Debug, Clone, thiserror::Error)]\npub enum MoneyError {\n #[error(\"Currency mismatch: expected {expected}, got {actual}\")]\n CurrencyMismatch { expected: Currency, actual: Currency },\n\n #[error(\"Price cannot be negative\")]\n NegativePrice,\n\n #[error(\"Quantity cannot be negative\")]\n NegativeQuantity,\n\n #[error(\"Invalid decimal value\")]\n InvalidDecimal,\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n mod currency_tests {\n use super::*;\n\n #[test]\n fn test_currency_creation() {\n let usd = Currency::new(\"usd\");\n assert_eq!(usd.code(), \"USD\");\n }\n\n #[test]\n fn test_predefined_currencies() {\n assert_eq!(Currency::usd().code(), \"USD\");\n assert_eq!(Currency::rub().code(), \"RUB\");\n assert_eq!(Currency::btc().code(), \"BTC\");\n }\n }\n\n mod money_tests {\n use super::*;\n\n #[test]\n fn test_money_creation() {\n let money = Money::from_f64(100.50, Currency::usd());\n assert_eq!(money.currency().code(), \"USD\");\n }\n\n #[test]\n fn test_money_add() {\n let a = Money::from_f64(100.0, Currency::usd());\n let b = Money::from_f64(50.0, Currency::usd());\n let result = a.add(&b).unwrap();\n assert_eq!(result.amount(), Decimal::from(150));\n }\n\n #[test]\n fn test_money_currency_mismatch() {\n let a = Money::from_f64(100.0, Currency::usd());\n let b = Money::from_f64(50.0, Currency::rub());\n assert!(a.add(&b).is_err());\n }\n }\n\n mod price_tests {\n use super::*;\n\n #[test]\n fn test_price_creation() {\n let price = Price::from_f64(100.50, Currency::usd()).unwrap();\n assert_eq!(price.currency().code(), \"USD\");\n }\n\n #[test]\n fn test_negative_price_rejected() {\n let result = Price::from_f64(-100.0, Currency::usd());\n assert!(result.is_err());\n }\n\n #[test]\n fn test_price_step_operations() {\n let price = Price::from_f64(100.0, Currency::usd()).unwrap();\n let higher = price.add_step(Decimal::from(1));\n assert_eq!(higher.value(), Decimal::from(101));\n }\n }\n\n mod quantity_tests {\n use super::*;\n\n #[test]\n fn test_quantity_from_lots() {\n let qty = Quantity::from_lots(10);\n assert_eq!(qty.as_lots(), 10);\n }\n\n #[test]\n fn test_negative_quantity_rejected() {\n let result = Quantity::from_f64(-1.0);\n assert!(result.is_err());\n }\n\n #[test]\n fn test_quantity_operations() {\n let a = Quantity::from_lots(10);\n let b = Quantity::from_lots(3);\n assert_eq!(a.add(b).as_lots(), 13);\n assert_eq!(a.subtract(b).as_lots(), 7);\n }\n }\n}\n",
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" use std::fmt;",
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" /// Represents a currency code (e.g., USD, RUB, BTC).",
"-#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]",
"+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]",
" pub struct Currency(String);",
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"content": " 100→ self.markets.get(symbol)\n 101→ }\n 102→\n 103→ /// Gets a mutable reference to a market.\n 104→ pub fn market_mut(&mut self, symbol: &str) -> Option<&mut SimulatedMarket> {\n 105→ self.markets.get_mut(symbol)\n 106→ }\n 107→\n 108→ /// Processes pending orders against current market prices.\n 109→ fn process_pending_orders(&mut self) {\n 110→ let order_ids: Vec<OrderId> = self\n 111→ .orders\n 112→ .iter()\n 113→ .filter(|(_, o)| o.status().is_active())\n 114→ .map(|(id, _)| id.clone())\n 115→ .collect();\n 116→\n 117→ for order_id in order_ids {\n 118→ if let Some(order) = self.orders.get_mut(&order_id) {\n 119→ if order.status() == OrderStatus::Pending {\n 120→ order.submit();\n 121→ }\n 122→\n 123→ if let Some(market) = self.markets.get(order.instrument()) {\n 124→ self.try_fill_order(order, market);\n 125→ }\n 126→ }\n 127→ }\n 128→ }\n 129→\n 130→ /// Tries to fill an order based on market conditions.\n 131→ fn try_fill_order(&mut self, order: &mut Order, market: &SimulatedMarket) {\n 132→ let fill_price = match order.side() {\n 133→ OrderSide::Buy => {\n 134→ // For buy orders, check if we can fill at or below limit price\n 135→ let ask = market.best_ask();\n 136→ match order.price() {\n 137→ Some(limit) if limit.value() >= ask.value() => Some(ask),\n 138→ None => Some(ask), // Market order\n 139→ _ => None,\n 140→ }\n 141→ }\n 142→ OrderSide::Sell => {\n 143→ // For sell orders, check if we can fill at or above limit price\n 144→ let bid = market.best_bid();\n 145→ match order.price() {\n 146→ Some(limit) if limit.value() <= bid.value() => Some(bid),\n 147→ None => Some(bid), // Market order\n 148→ _ => None,\n 149→ }\n 150→ }\n 151→ };\n 152→\n 153→ if let Some(price) = fill_price {\n 154→ let quantity = order.remaining_quantity();\n 155→ let value = price.value() * quantity.value();\n 156→ let commission_amount = value * self.commission_rate;\n 157→ let currency = price.currency().clone();\n 158→\n 159→ // Check if we have sufficient resources\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " self.markets.get(symbol)\n }\n\n /// Gets a mutable reference to a market.\n pub fn market_mut(&mut self, symbol: &str) -> Option<&mut SimulatedMarket> {\n self.markets.get_mut(symbol)\n }\n\n /// Processes pending orders against current market prices.\n fn process_pending_orders(&mut self) {\n let order_ids: Vec<OrderId> = self\n .orders\n .iter()\n .filter(|(_, o)| o.status().is_active())\n .map(|(id, _)| id.clone())\n .collect();\n\n for order_id in order_ids {\n if let Some(order) = self.orders.get_mut(&order_id) {\n if order.status() == OrderStatus::Pending {\n order.submit();\n }\n\n if let Some(market) = self.markets.get(order.instrument()) {\n self.try_fill_order(order, market);\n }\n }\n }\n }\n\n /// Tries to fill an order based on market conditions.\n fn try_fill_order(&mut self, order: &mut Order, market: &SimulatedMarket) {\n let fill_price = match order.side() {\n OrderSide::Buy => {\n // For buy orders, check if we can fill at or below limit price\n let ask = market.best_ask();\n match order.price() {\n Some(limit) if limit.value() >= ask.value() => Some(ask),\n None => Some(ask), // Market order\n _ => None,\n }\n }\n OrderSide::Sell => {\n // For sell orders, check if we can fill at or above limit price\n let bid = market.best_bid();\n match order.price() {\n Some(limit) if limit.value() <= bid.value() => Some(bid),\n None => Some(bid), // Market order\n _ => None,\n }\n }\n };\n\n if let Some(price) = fill_price {\n let quantity = order.remaining_quantity();\n let value = price.value() * quantity.value();\n let commission_amount = value * self.commission_rate;\n let currency = price.currency().clone();\n\n // Check if we have sufficient resources",
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"content": " 100→ self.markets.get(symbol)\n 101→ }\n 102→\n 103→ /// Gets a mutable reference to a market.\n 104→ pub fn market_mut(&mut self, symbol: &str) -> Option<&mut SimulatedMarket> {\n 105→ self.markets.get_mut(symbol)\n 106→ }\n 107→\n 108→ /// Processes pending orders against current market prices.\n 109→ fn process_pending_orders(&mut self) {\n 110→ let order_ids: Vec<OrderId> = self\n 111→ .orders\n 112→ .iter()\n 113→ .filter(|(_, o)| o.status().is_active())\n 114→ .map(|(id, _)| id.clone())\n 115→ .collect();\n 116→\n 117→ for order_id in order_ids {\n 118→ if let Some(order) = self.orders.get_mut(&order_id) {\n 119→ if order.status() == OrderStatus::Pending {\n 120→ order.submit();\n 121→ }\n 122→\n 123→ if let Some(market) = self.markets.get(order.instrument()) {\n 124→ self.try_fill_order(order, market);\n 125→ }\n 126→ }\n 127→ }\n 128→ }\n 129→\n 130→ /// Tries to fill an order based on market conditions.\n 131→ fn try_fill_order(&mut self, order: &mut Order, market: &SimulatedMarket) {\n 132→ let fill_price = match order.side() {\n 133→ OrderSide::Buy => {\n 134→ // For buy orders, check if we can fill at or below limit price\n 135→ let ask = market.best_ask();\n 136→ match order.price() {\n 137→ Some(limit) if limit.value() >= ask.value() => Some(ask),\n 138→ None => Some(ask), // Market order\n 139→ _ => None,\n 140→ }\n 141→ }\n 142→ OrderSide::Sell => {\n 143→ // For sell orders, check if we can fill at or above limit price\n 144→ let bid = market.best_bid();\n 145→ match order.price() {\n 146→ Some(limit) if limit.value() <= bid.value() => Some(bid),\n 147→ None => Some(bid), // Market order\n 148→ _ => None,\n 149→ }\n 150→ }\n 151→ };\n 152→\n 153→ if let Some(price) = fill_price {\n 154→ let quantity = order.remaining_quantity();\n 155→ let value = price.value() * quantity.value();\n 156→ let commission_amount = value * self.commission_rate;\n 157→ let currency = price.currency().clone();\n 158→\n 159→ // Check if we have sufficient resources\n 160→ let can_fill = match order.side() {\n 161→ OrderSide::Buy => {\n 162→ let required = value + commission_amount;\n 163→ self.balances\n 164→ .get(&currency)\n 165→ .is_some_and(|b| b.amount() >= required)\n 166→ }\n 167→ OrderSide::Sell => {\n 168→ self.positions\n 169→ .get(order.instrument())\n 170→ .is_some_and(|p| p.quantity() >= quantity)\n 171→ }\n 172→ };\n 173→\n 174→ if can_fill {\n 175→ // Execute the fill\n 176→ self.execute_fill(order, &price, quantity, commission_amount);\n 177→ }\n 178→ }\n 179→ }\n 180→\n 181→ /// Executes a fill for an order.\n 182→ fn execute_fill(\n 183→ &mut self,\n 184→ order: &mut Order,\n 185→ price: &Price,\n 186→ quantity: Quantity,\n 187→ commission_amount: Decimal,\n 188→ ) {\n 189→ let currency = price.currency().clone();\n 190→ let value = price.value() * quantity.value();\n 191→ let commission = Money::new(commission_amount, currency.clone());\n 192→\n 193→ // Update balances and positions\n 194→ match order.side() {\n 195→ OrderSide::Buy => {\n 196→ // Deduct cost from balance\n 197→ if let Some(balance) = self.balances.get_mut(&currency) {\n 198→ let total_cost = value + commission_amount;\n 199→ *balance = Money::new(balance.amount() - total_cost, currency.clone());\n 200→ }\n 201→\n 202→ // Add to position\n 203→ let position = self\n 204→ .positions\n 205→ .entry(order.instrument().to_string())\n 206→ .or_insert_with(|| Position::empty(order.instrument(), currency.clone()));\n 207→ position.add(quantity, price);\n 208→ }\n 209→ OrderSide::Sell => {\n 210→ // Add proceeds to balance\n 211→ if let Some(balance) = self.balances.get_mut(&currency) {\n 212→ let net_proceeds = value - commission_amount;\n 213→ *balance = Money::new(balance.amount() + net_proceeds, currency.clone());\n 214→ }\n 215→\n 216→ // Reduce position\n 217→ if let Some(position) = self.positions.get_mut(order.instrument()) {\n 218→ position.reduce(quantity);\n 219→ }\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"
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"content": " self.markets.get(symbol)\n }\n\n /// Gets a mutable reference to a market.\n pub fn market_mut(&mut self, symbol: &str) -> Option<&mut SimulatedMarket> {\n self.markets.get_mut(symbol)\n }\n\n /// Processes pending orders against current market prices.\n fn process_pending_orders(&mut self) {\n let order_ids: Vec<OrderId> = self\n .orders\n .iter()\n .filter(|(_, o)| o.status().is_active())\n .map(|(id, _)| id.clone())\n .collect();\n\n for order_id in order_ids {\n if let Some(order) = self.orders.get_mut(&order_id) {\n if order.status() == OrderStatus::Pending {\n order.submit();\n }\n\n if let Some(market) = self.markets.get(order.instrument()) {\n self.try_fill_order(order, market);\n }\n }\n }\n }\n\n /// Tries to fill an order based on market conditions.\n fn try_fill_order(&mut self, order: &mut Order, market: &SimulatedMarket) {\n let fill_price = match order.side() {\n OrderSide::Buy => {\n // For buy orders, check if we can fill at or below limit price\n let ask = market.best_ask();\n match order.price() {\n Some(limit) if limit.value() >= ask.value() => Some(ask),\n None => Some(ask), // Market order\n _ => None,\n }\n }\n OrderSide::Sell => {\n // For sell orders, check if we can fill at or above limit price\n let bid = market.best_bid();\n match order.price() {\n Some(limit) if limit.value() <= bid.value() => Some(bid),\n None => Some(bid), // Market order\n _ => None,\n }\n }\n };\n\n if let Some(price) = fill_price {\n let quantity = order.remaining_quantity();\n let value = price.value() * quantity.value();\n let commission_amount = value * self.commission_rate;\n let currency = price.currency().clone();\n\n // Check if we have sufficient resources\n let can_fill = match order.side() {\n OrderSide::Buy => {\n let required = value + commission_amount;\n self.balances\n .get(&currency)\n .is_some_and(|b| b.amount() >= required)\n }\n OrderSide::Sell => {\n self.positions\n .get(order.instrument())\n .is_some_and(|p| p.quantity() >= quantity)\n }\n };\n\n if can_fill {\n // Execute the fill\n self.execute_fill(order, &price, quantity, commission_amount);\n }\n }\n }\n\n /// Executes a fill for an order.\n fn execute_fill(\n &mut self,\n order: &mut Order,\n price: &Price,\n quantity: Quantity,\n commission_amount: Decimal,\n ) {\n let currency = price.currency().clone();\n let value = price.value() * quantity.value();\n let commission = Money::new(commission_amount, currency.clone());\n\n // Update balances and positions\n match order.side() {\n OrderSide::Buy => {\n // Deduct cost from balance\n if let Some(balance) = self.balances.get_mut(&currency) {\n let total_cost = value + commission_amount;\n *balance = Money::new(balance.amount() - total_cost, currency.clone());\n }\n\n // Add to position\n let position = self\n .positions\n .entry(order.instrument().to_string())\n .or_insert_with(|| Position::empty(order.instrument(), currency.clone()));\n position.add(quantity, price);\n }\n OrderSide::Sell => {\n // Add proceeds to balance\n if let Some(balance) = self.balances.get_mut(&currency) {\n let net_proceeds = value - commission_amount;\n *balance = Money::new(balance.amount() + net_proceeds, currency.clone());\n }\n\n // Reduce position\n if let Some(position) = self.positions.get_mut(order.instrument()) {\n position.reduce(quantity);\n }",
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"text": "The issue is that `try_fill_order` takes `&mut self` and `&mut Order`, but we're trying to call it while we have a mutable borrow on `self.orders`. I need to restructure this. Let me rewrite the `process_pending_orders` method to avoid the borrow conflict:"
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"old_string": " /// Processes pending orders against current market prices.\n fn process_pending_orders(&mut self) {\n let order_ids: Vec<OrderId> = self\n .orders\n .iter()\n .filter(|(_, o)| o.status().is_active())\n .map(|(id, _)| id.clone())\n .collect();\n\n for order_id in order_ids {\n if let Some(order) = self.orders.get_mut(&order_id) {\n if order.status() == OrderStatus::Pending {\n order.submit();\n }\n\n if let Some(market) = self.markets.get(order.instrument()) {\n self.try_fill_order(order, market);\n }\n }\n }\n }\n\n /// Tries to fill an order based on market conditions.\n fn try_fill_order(&mut self, order: &mut Order, market: &SimulatedMarket) {\n let fill_price = match order.side() {\n OrderSide::Buy => {\n // For buy orders, check if we can fill at or below limit price\n let ask = market.best_ask();\n match order.price() {\n Some(limit) if limit.value() >= ask.value() => Some(ask),\n None => Some(ask), // Market order\n _ => None,\n }\n }\n OrderSide::Sell => {\n // For sell orders, check if we can fill at or above limit price\n let bid = market.best_bid();\n match order.price() {\n Some(limit) if limit.value() <= bid.value() => Some(bid),\n None => Some(bid), // Market order\n _ => None,\n }\n }\n };\n\n if let Some(price) = fill_price {\n let quantity = order.remaining_quantity();\n let value = price.value() * quantity.value();\n let commission_amount = value * self.commission_rate;\n let currency = price.currency().clone();\n\n // Check if we have sufficient resources\n let can_fill = match order.side() {\n OrderSide::Buy => {\n let required = value + commission_amount;\n self.balances\n .get(&currency)\n .is_some_and(|b| b.amount() >= required)\n }\n OrderSide::Sell => {\n self.positions\n .get(order.instrument())\n .is_some_and(|p| p.quantity() >= quantity)\n }\n };\n\n if can_fill {\n // Execute the fill\n self.execute_fill(order, &price, quantity, commission_amount);\n }\n }\n }",
"new_string": " /// Processes pending orders against current market prices.\n fn process_pending_orders(&mut self) {\n // Collect order info first to avoid borrow issues\n let order_info: Vec<(OrderId, String)> = self\n .orders\n .iter()\n .filter(|(_, o)| o.status().is_active())\n .map(|(id, o)| (id.clone(), o.instrument().to_string()))\n .collect();\n\n for (order_id, instrument) in order_info {\n // First, update pending orders to submitted\n if let Some(order) = self.orders.get_mut(&order_id) {\n if order.status() == OrderStatus::Pending {\n order.submit();\n }\n }\n\n // Get market info (clone what we need to avoid borrow issues)\n let fill_info = if let Some(market) = self.markets.get(&instrument) {\n let order = self.orders.get(&order_id);\n if let Some(order) = order {\n self.calculate_fill_info(order, market)\n } else {\n None\n }\n } else {\n None\n };\n\n // Execute the fill if possible\n if let Some((price, quantity, commission_amount)) = fill_info {\n if let Some(order) = self.orders.get_mut(&order_id) {\n self.execute_fill_with_order(order, &price, quantity, commission_amount);\n }\n }\n }\n }\n\n /// Calculates fill information for an order without mutating state.\n fn calculate_fill_info(\n &self,\n order: &Order,\n market: &SimulatedMarket,\n ) -> Option<(Price, Quantity, Decimal)> {\n let fill_price = match order.side() {\n OrderSide::Buy => {\n let ask = market.best_ask();\n match order.price() {\n Some(limit) if limit.value() >= ask.value() => Some(ask),\n None => Some(ask),\n _ => None,\n }\n }\n OrderSide::Sell => {\n let bid = market.best_bid();\n match order.price() {\n Some(limit) if limit.value() <= bid.value() => Some(bid),\n None => Some(bid),\n _ => None,\n }\n }\n };\n\n fill_price.and_then(|price| {\n let quantity = order.remaining_quantity();\n let value = price.value() * quantity.value();\n let commission_amount = value * self.commission_rate;\n let currency = price.currency().clone();\n\n let can_fill = match order.side() {\n OrderSide::Buy => {\n let required = value + commission_amount;\n self.balances\n .get(&currency)\n .is_some_and(|b| b.amount() >= required)\n }\n OrderSide::Sell => {\n self.positions\n .get(order.instrument())\n .is_some_and(|p| p.quantity() >= quantity)\n }\n };\n\n if can_fill {\n Some((price, quantity, commission_amount))\n } else {\n None\n }\n })\n }\n\n /// Executes a fill with an order reference.\n fn execute_fill_with_order(\n &mut self,\n order: &mut Order,\n price: &Price,\n quantity: Quantity,\n commission_amount: Decimal,\n ) {\n self.execute_fill(order, price, quantity, commission_amount);\n }"
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[2025-12-29T13:23:16.948Z] [INFO] {"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01CJu2Pnsyauw5aWT4pfqocc","type":"tool_result","content":"The file /tmp/gh-issue-solver-1767013378369/src/simulator/engine.rs has been updated. Here's the result of running `cat -n` on a snippet of the edited file:\n 104→ pub fn market_mut(&mut self, symbol: &str) -> Option<&mut SimulatedMarket> {\n 105→ self.markets.get_mut(symbol)\n 106→ }\n 107→\n 108→ /// Processes pending orders against current market prices.\n 109→ fn process_pending_orders(&mut self) {\n 110→ // Collect order info first to avoid borrow issues\n 111→ let order_info: Vec<(OrderId, String)> = self\n 112→ .orders\n 113→ .iter()\n 114→ .filter(|(_, o)| o.status().is_active())\n 115→ .map(|(id, o)| (id.clone(), o.instrument().to_string()))\n 116→ .collect();\n 117→\n 118→ for (order_id, instrument) in order_info {\n 119→ // First, update pending orders to submitted\n 120→ if let Some(order) = self.orders.get_mut(&order_id) {\n 121→ if order.status() == OrderStatus::Pending {\n 122→ order.submit();\n 123→ }\n 124→ }\n 125→\n 126→ // Get market info (clone what we need to avoid borrow issues)\n 127→ let fill_info = if let Some(market) = self.markets.get(&instrument) {\n 128→ let order = self.orders.get(&order_id);\n 129→ if let Some(order) = order {\n 130→ self.calculate_fill_info(order, market)\n 131→ } else {\n 132→ None\n 133→ }\n 134→ } else {\n 135→ None\n 136→ };\n 137→\n 138→ // Execute the fill if possible\n 139→ if let Some((price, quantity, commission_amount)) = fill_info {\n 140→ if let Some(order) = self.orders.get_mut(&order_id) {\n 141→ self.execute_fill_with_order(order, &price, quantity, commission_amount);\n 142→ }\n 143→ }\n 144→ }\n 145→ }\n 146→\n 147→ /// Calculates fill information for an order without mutating state.\n 148→ fn calculate_fill_info(\n 149→ &self,\n 150→ order: &Order,\n 151→ market: &SimulatedMarket,\n 152→ ) -> Option<(Price, Quantity, Decimal)> {\n 153→ let fill_price = match order.side() {\n 154→ OrderSide::Buy => {\n 155→ let ask = market.best_ask();\n 156→ match order.price() {\n 157→ Some(limit) if limit.value() >= ask.value() => Some(ask),\n 158→ None => Some(ask),\n 159→ _ => None,\n 160→ }\n 161→ }\n 162→ OrderSide::Sell => {\n 163→ let bid = market.best_bid();\n 164→ match order.price() {\n 165→ Some(limit) if limit.value() <= bid.value() => Some(bid),\n 166→ None => Some(bid),\n 167→ _ => None,\n 168→ }\n 169→ }\n 170→ };\n 171→\n 172→ fill_price.and_then(|price| {\n 173→ let quantity = order.remaining_quantity();\n 174→ let value = price.value() * quantity.value();\n 175→ let commission_amount = value * self.commission_rate;\n 176→ let currency = price.currency().clone();\n 177→\n 178→ let can_fill = match order.side() {\n 179→ OrderSide::Buy => {\n 180→ let required = value + commission_amount;\n 181→ self.balances\n 182→ .get(&currency)\n 183→ .is_some_and(|b| b.amount() >= required)\n 184→ }\n 185→ OrderSide::Sell => {\n 186→ self.positions\n 187→ .get(order.instrument())\n 188→ .is_some_and(|p| p.quantity() >= quantity)\n 189→ }\n 190→ };\n 191→\n 192→ if can_fill {\n 193→ Some((price, quantity, commission_amount))\n 194→ } else {\n 195→ None\n 196→ }\n 197→ })\n 198→ }\n 199→\n 200→ /// Executes a fill with an order reference.\n 201→ fn execute_fill_with_order(\n 202→ &mut self,\n 203→ order: &mut Order,\n 204→ price: &Price,\n 205→ quantity: Quantity,\n 206→ commission_amount: Decimal,\n 207→ ) {\n 208→ self.execute_fill(order, price, quantity, commission_amount);\n 209→ }\n 210→\n 211→ /// Executes a fill for an order.\n 212→ fn execute_fill(\n 213→ &mut self,"}]},"parent_tool_use_id":null,"session_id":"47ebe5f9-a63c-4fdf-9594-7dd189455de3","uuid":"3ba22fa4-f6dc-463f-bc41-1fb5ed21e0cd","tool_use_result":{"filePath":"/tmp/gh-issue-solver-1767013378369/src/simulator/engine.rs","oldString":" /// Processes pending orders against current market prices.\n fn process_pending_orders(&mut self) {\n let order_ids: Vec<OrderId> = self\n .orders\n .iter()\n .filter(|(_, o)| o.status().is_active())\n .map(|(id, _)| id.clone())\n .collect();\n\n for order_id in order_ids {\n if let Some(order) = self.orders.get_mut(&order_id) {\n if order.status() == OrderStatus::Pending {\n order.submit();\n }\n\n if let Some(market) = self.markets.get(order.instrument()) {\n self.try_fill_order(order, market);\n }\n }\n }\n }\n\n /// Tries to fill an order based on market conditions.\n fn try_fill_order(&mut self, order: &mut Order, market: &SimulatedMarket) {\n let fill_price = match order.side() {\n OrderSide::Buy => {\n // For buy orders, check if we can fill at or below limit price\n let ask = market.best_ask();\n match order.price() {\n Some(limit) if limit.value() >= ask.value() => Some(ask),\n None => Some(ask), // Market order\n _ => None,\n }\n }\n OrderSide::Sell => {\n // For sell orders, check if we can fill at or above limit price\n let bid = market.best_bid();\n match order.price() {\n Some(limit) if limit.value() <= bid.value() => Some(bid),\n None => Some(bid), // Market order\n _ => None,\n }\n }\n };\n\n if let Some(price) = fill_price {\n let quantity = order.remaining_quantity();\n let value = price.value() * quantity.value();\n let commission_amount = value * self.commission_rate;\n let currency = price.currency().clone();\n\n // Check if we have sufficient resources\n let can_fill = match order.side() {\n OrderSide::Buy => {\n let required = value + commission_amount;\n self.balances\n .get(&currency)\n .is_some_and(|b| b.amount() >= required)\n }\n OrderSide::Sell => {\n self.positions\n .get(order.instrument())\n .is_some_and(|p| p.quantity() >= quantity)\n }\n };\n\n if can_fill {\n // Execute the fill\n self.execute_fill(order, &price, quantity, commission_amount);\n }\n }\n }","newString":" /// Processes pending orders against current market prices.\n fn process_pending_orders(&mut self) {\n // Collect order info first to avoid borrow issues\n let order_info: Vec<(OrderId, String)> = self\n .orders\n .iter()\n .filter(|(_, o)| o.status().is_active())\n .map(|(id, o)| (id.clone(), o.instrument().to_string()))\n .collect();\n\n for (order_id, instrument) in order_info {\n // First, update pending orders to submitted\n if let Some(order) = self.orders.get_mut(&order_id) {\n if order.status() == OrderStatus::Pending {\n order.submit();\n }\n }\n\n // Get market info (clone what we need to avoid borrow issues)\n let fill_info = if let Some(market) = self.markets.get(&instrument) {\n let order = self.orders.get(&order_id);\n if let Some(order) = order {\n self.calculate_fill_info(order, market)\n } else {\n None\n }\n } else {\n None\n };\n\n // Execute the fill if possible\n if let Some((price, quantity, commission_amount)) = fill_info {\n if let Some(order) = self.orders.get_mut(&order_id) {\n self.execute_fill_with_order(order, &price, quantity, commission_amount);\n }\n }\n }\n }\n\n /// Calculates fill information for an order without mutating state.\n fn calculate_fill_info(\n &self,\n order: &Order,\n market: &SimulatedMarket,\n ) -> Option<(Price, Quantity, Decimal)> {\n let fill_price = match order.side() {\n OrderSide::Buy => {\n let ask = market.best_ask();\n match order.price() {\n Some(limit) if limit.value() >= ask.value() => Some(ask),\n None => Some(ask),\n _ => None,\n }\n }\n OrderSide::Sell => {\n let bid = market.best_bid();\n match order.price() {\n Some(limit) if limit.value() <= bid.value() => Some(bid),\n None => Some(bid),\n _ => None,\n }\n }\n };\n\n fill_price.and_then(|price| {\n let quantity = order.remaining_quantity();\n let value = price.value() * quantity.value();\n let commission_amount = value * self.commission_rate;\n let currency = price.currency().clone();\n\n let can_fill = match order.side() {\n OrderSide::Buy => {\n let required = value + commission_amount;\n self.balances\n .get(&currency)\n .is_some_and(|b| b.amount() >= required)\n }\n OrderSide::Sell => {\n self.positions\n .get(order.instrument())\n .is_some_and(|p| p.quantity() >= quantity)\n }\n };\n\n if can_fill {\n Some((price, quantity, commission_amount))\n } else {\n None\n }\n })\n }\n\n /// Executes a fill with an order reference.\n fn execute_fill_with_order(\n &mut self,\n order: &mut Order,\n price: &Price,\n quantity: Quantity,\n commission_amount: Decimal,\n ) {\n self.execute_fill(order, price, quantity, commission_amount);\n }","originalFile":"//! Simulator engine implementing the Exchange trait.\n\nuse super::market::{SimulatedMarket, SimulatedMarketConfig};\nuse crate::exchange::{Exchange, ExchangeError, ExchangeInfo, InstrumentInfo, MarketDataProvider, OrderExecutor};\nuse crate::types::{\n Currency, Money, Order, OrderBook, OrderId, OrderSide, OrderStatus, Position, Price, Quantity,\n Trade,\n};\nuse async_trait::async_trait;\nuse rust_decimal::Decimal;\nuse std::collections::HashMap;\n\n/// A simulated exchange for testing trading strategies.\n#[derive(Debug)]\npub struct SimulatorEngine {\n info: ExchangeInfo,\n markets: HashMap<String, SimulatedMarket>,\n orders: HashMap<OrderId, Order>,\n positions: HashMap<String, Position>,\n balances: HashMap<Currency, Money>,\n trades: Vec<Trade>,\n connected: bool,\n commission_rate: Decimal,\n}\n\nimpl SimulatorEngine {\n /// Creates a new simulator engine.\n #[must_use]\n pub fn new() -> Self {\n Self {\n info: ExchangeInfo {\n name: \"Simulator\".to_string(),\n id: \"simulator\".to_string(),\n connected: false,\n instruments: Vec::new(),\n },\n markets: HashMap::new(),\n orders: HashMap::new(),\n positions: HashMap::new(),\n balances: HashMap::new(),\n trades: Vec::new(),\n connected: false,\n commission_rate: Decimal::new(1, 4), // 0.01% commission\n }\n }\n\n /// Adds a market to the simulator.\n pub fn add_market(&mut self, config: SimulatedMarketConfig) {\n let symbol = config.symbol.clone();\n let currency = config.currency.clone();\n let price_step = config.price_step;\n let lot_size = config.lot_size;\n\n let market = SimulatedMarket::new(config);\n\n // Add instrument info\n self.info.instruments.push(InstrumentInfo {\n symbol: symbol.clone(),\n name: format!(\"{symbol} (Simulated)\"),\n currency,\n min_quantity: Decimal::from(1),\n quantity_step: Decimal::from(1),\n price_step,\n lot_size,\n trading_enabled: true,\n });\n\n self.markets.insert(symbol, market);\n }\n\n /// Adds a balance to the simulator.\n pub fn add_balance(&mut self, currency: Currency, amount: Decimal) {\n self.balances\n .insert(currency.clone(), Money::new(amount, currency));\n }\n\n /// Sets the commission rate.\n pub fn set_commission_rate(&mut self, rate: Decimal) {\n self.commission_rate = rate;\n }\n\n /// Advances all markets by one tick.\n pub fn tick(&mut self) {\n for market in self.markets.values_mut() {\n market.tick();\n }\n self.process_pending_orders();\n }\n\n /// Advances all markets by multiple ticks.\n pub fn advance(&mut self, ticks: u64) {\n for _ in 0..ticks {\n self.tick();\n }\n }\n\n /// Gets a reference to a market.\n #[must_use]\n pub fn market(&self, symbol: &str) -> Option<&SimulatedMarket> {\n self.markets.get(symbol)\n }\n\n /// Gets a mutable reference to a market.\n pub fn market_mut(&mut self, symbol: &str) -> Option<&mut SimulatedMarket> {\n self.markets.get_mut(symbol)\n }\n\n /// Processes pending orders against current market prices.\n fn process_pending_orders(&mut self) {\n let order_ids: Vec<OrderId> = self\n .orders\n .iter()\n .filter(|(_, o)| o.status().is_active())\n .map(|(id, _)| id.clone())\n .collect();\n\n for order_id in order_ids {\n if let Some(order) = self.orders.get_mut(&order_id) {\n if order.status() == OrderStatus::Pending {\n order.submit();\n }\n\n if let Some(market) = self.markets.get(order.instrument()) {\n self.try_fill_order(order, market);\n }\n }\n }\n }\n\n /// Tries to fill an order based on market conditions.\n fn try_fill_order(&mut self, order: &mut Order, market: &SimulatedMarket) {\n let fill_price = match order.side() {\n OrderSide::Buy => {\n // For buy orders, check if we can fill at or below limit price\n let ask = market.best_ask();\n match order.price() {\n Some(limit) if limit.value() >= ask.value() => Some(ask),\n None => Some(ask), // Market order\n _ => None,\n }\n }\n OrderSide::Sell => {\n // For sell orders, check if we can fill at or above limit price\n let bid = market.best_bid();\n match order.price() {\n Some(limit) if limit.value() <= bid.value() => Some(bid),\n None => Some(bid), // Market order\n _ => None,\n }\n }\n };\n\n if let Some(price) = fill_price {\n let quantity = order.remaining_quantity();\n let value = price.value() * quantity.value();\n let commission_amount = value * self.commission_rate;\n let currency = price.currency().clone();\n\n // Check if we have sufficient resources\n let can_fill = match order.side() {\n OrderSide::Buy => {\n let required = value + commission_amount;\n self.balances\n .get(&currency)\n .is_some_and(|b| b.amount() >= required)\n }\n OrderSide::Sell => {\n self.positions\n .get(order.instrument())\n .is_some_and(|p| p.quantity() >= quantity)\n }\n };\n\n if can_fill {\n // Execute the fill\n self.execute_fill(order, &price, quantity, commission_amount);\n }\n }\n }\n\n /// Executes a fill for an order.\n fn execute_fill(\n &mut self,\n order: &mut Order,\n price: &Price,\n quantity: Quantity,\n commission_amount: Decimal,\n ) {\n let currency = price.currency().clone();\n let value = price.value() * quantity.value();\n let commission = Money::new(commission_amount, currency.clone());\n\n // Update balances and positions\n match order.side() {\n OrderSide::Buy => {\n // Deduct cost from balance\n if let Some(balance) = self.balances.get_mut(&currency) {\n let total_cost = value + commission_amount;\n *balance = Money::new(balance.amount() - total_cost, currency.clone());\n }\n\n // Add to position\n let position = self\n .positions\n .entry(order.instrument().to_string())\n .or_insert_with(|| Position::empty(order.instrument(), currency.clone()));\n position.add(quantity, price);\n }\n OrderSide::Sell => {\n // Add proceeds to balance\n if let Some(balance) = self.balances.get_mut(&currency) {\n let net_proceeds = value - commission_amount;\n *balance = Money::new(balance.amount() + net_proceeds, currency.clone());\n }\n\n // Reduce position\n if let Some(position) = self.positions.get_mut(order.instrument()) {\n position.reduce(quantity);\n }\n }\n }\n\n // Record the trade\n let trade = Trade::new(\n order.id().clone(),\n order.instrument(),\n order.side(),\n quantity,\n price.clone(),\n commission,\n );\n self.trades.push(trade);\n\n // Update the order\n order.fill(quantity);\n }\n\n /// Returns the trade history.\n #[must_use]\n pub fn trade_history(&self) -> &[Trade] {\n &self.trades\n }\n}\n\nimpl Default for SimulatorEngine {\n fn default() -> Self {\n Self::new()\n }\n}\n\n#[async_trait]\nimpl MarketDataProvider for SimulatorEngine {\n async fn connect(&mut self) -> Result<(), ExchangeError> {\n self.connected = true;\n self.info.connected = true;\n Ok(())\n }\n\n async fn disconnect(&mut self) -> Result<(), ExchangeError> {\n self.connected = false;\n self.info.connected = false;\n Ok(())\n }\n\n fn is_connected(&self) -> bool {\n self.connected\n }\n\n async fn get_order_book(&self, instrument: &str) -> Result<OrderBook, ExchangeError> {\n let market = self\n .markets\n .get(instrument)\n .ok_or_else(|| ExchangeError::InstrumentNotFound(instrument.to_string()))?;\n\n let bids = market.generate_bids();\n let asks = market.generate_asks();\n\n Ok(OrderBook::with_levels(instrument, bids, asks))\n }\n\n async fn get_instrument_info(&self, instrument: &str) -> Result<InstrumentInfo, ExchangeError> {\n self.info\n .instruments\n .iter()\n .find(|i| i.symbol == instrument)\n .cloned()\n .ok_or_else(|| ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn list_instruments(&self) -> Result<Vec<InstrumentInfo>, ExchangeError> {\n Ok(self.info.instruments.clone())\n }\n}\n\n#[async_trait]\nimpl OrderExecutor for SimulatorEngine {\n async fn submit_order(&mut self, mut order: Order) -> Result<Order, ExchangeError> {\n // Validate the instrument exists\n if !self.markets.contains_key(order.instrument()) {\n return Err(ExchangeError::InstrumentNotFound(order.instrument().to_string()));\n }\n\n // Validate resources for the order\n if let Some(market) = self.markets.get(order.instrument()) {\n let currency = market.config().currency.clone();\n\n match order.side() {\n OrderSide::Buy => {\n let price = order.price().map(|p| p.value()).unwrap_or(market.best_ask().value());\n let required = price * order.quantity().value();\n let available = self\n .balances\n .get(&currency)\n .map(Money::amount)\n .unwrap_or_default();\n\n if available < required {\n return Err(ExchangeError::InsufficientFunds {\n required: required.to_string(),\n available: available.to_string(),\n });\n }\n }\n OrderSide::Sell => {\n let required = order.quantity();\n let available = self\n .positions\n .get(order.instrument())\n .map(Position::quantity)\n .unwrap_or(Quantity::zero());\n\n if available < required {\n return Err(ExchangeError::Insuf**********ition {\n required: required.to_string(),\n available: available.to_string(),\n });\n }\n }\n }\n }\n\n order.submit();\n self.orders.insert(order.id().clone(), order.clone());\n\n // Try to fill immediately\n self.process_pending_orders();\n\n // Return the updated order\n Ok(self.orders.get(order.id()).cloned().unwrap_or(order))\n }\n\n async fn cancel_order(&mut self, order_id: &OrderId) -> Result<(), ExchangeError> {\n let order = self\n .orders\n .get_mut(order_id)\n .ok_or_else(|| ExchangeError::OrderNotFound(order_id.clone()))?;\n\n if order.status().is_terminal() {\n return Err(ExchangeError::OrderRejected(\n \"Cannot cancel a completed order\".to_string(),\n ));\n }\n\n order.cancel();\n Ok(())\n }\n\n async fn get_order(&self, order_id: &OrderId) -> Result<Order, ExchangeError> {\n self.orders\n .get(order_id)\n .cloned()\n .ok_or_else(|| ExchangeError::OrderNotFound(order_id.clone()))\n }\n\n async fn list_active_orders(&self) -> Result<Vec<Order>, ExchangeError> {\n Ok(self\n .orders\n .values()\n .filter(|o| o.status().is_active())\n .cloned()\n .collect())\n }\n\n async fn list_orders_for_instrument(&self, instrument: &str) -> Result<Vec<Order>, ExchangeError> {\n Ok(self\n .orders\n .values()\n .filter(|o| o.instrument() == instrument)\n .cloned()\n .collect())\n }\n\n async fn get_positions(&self) -> Result<HashMap<String, Position>, ExchangeError> {\n Ok(self.positions.clone())\n }\n\n async fn get_position(&self, instrument: &str) -> Result<Position, ExchangeError> {\n self.positions\n .get(instrument)\n .cloned()\n .ok_or_else(|| ExchangeError::InstrumentNotFound(instrument.to_string()))\n }\n\n async fn get_balance(&self, currency: &Currency) -> Result<Money, ExchangeError> {\n self.balances\n .get(currency)\n .cloned()\n .ok_or_else(|| ExchangeError::InstrumentNotFound(currency.code().to_string()))\n }\n\n async fn get_balances(&self) -> Result<HashMap<Currency, Money>, ExchangeError> {\n Ok(self.balances.clone())\n }\n\n async fn get_trades(&self, limit: usize) -> Result<Vec<Trade>, ExchangeError> {\n let start = self.trades.len().saturating_sub(limit);\n Ok(self.trades[start..].to_vec())\n }\n\n async fn get_trades_for_instrument(\n &self,\n instrument: &str,\n limit: usize,\n ) -> Result<Vec<Trade>, ExchangeError> {\n let trades: Vec<Trade> = self\n .trades\n .iter()\n .filter(|t| t.instrument() == instrument)\n .cloned()\n .collect();\n let start = trades.len().saturating_sub(limit);\n Ok(trades[start..].to_vec())\n }\n}\n\n#[async_trait]\nimpl Exchange for SimulatorEngine {\n fn info(&self) -> &ExchangeInfo {\n &self.info\n }\n}\n\n#[cfg(test)]\nmod tests {\n use super::*;\n\n async fn create_test_engine() -> SimulatorEngine {\n let mut engine = SimulatorEngine::new();\n\n engine.add_market(SimulatedMarketConfig {\n symbol: \"TEST\".to_string(),\n currency: Currency::usd(),\n initial_price: Decimal::from(100),\n ..Default::default()\n });\n\n engine.add_balance(Currency::usd(), Decimal::from(10000));\n engine.connect().await.unwrap();\n\n engine\n }\n\n #[tokio::test]\n async fn test_engine_creation() {\n let engine = create_test_engine().await;\n assert!(engine.is_connected());\n assert_eq!(engine.info().name, \"Simulator\");\n }\n\n #[tokio::test]\n async fn test_get_order_book() {\n let engine = create_test_engine().await;\n let book = engine.get_order_book(\"TEST\").await.unwrap();\n\n assert_eq!(book.instrument(), \"TEST\");\n assert!(!book.bids().is_empty());\n assert!(!book.asks().is_empty());\n }\n\n #[tokio::test]\n async fn test_submit_market_buy_order() {\n let mut engine = create_test_engine().await;\n\n let order = Order::market(\"TEST\", OrderSide::Buy, Quantity::from_lots(10));\n let submitted = engine.submit_order(order).await.unwrap();\n\n assert_eq!(submitted.status(), OrderStatus::Filled);\n assert_eq!(subm
[2025-12-29T13:23:16.962Z] [INFO] itted.filled_quantity().as_lots(), 10);\n\n // Check position was created\n let position = engine.get_position(\"TEST\").await.unwrap();\n assert_eq!(position.quantity().as_lots(), 10);\n\n // Check balance was reduced\n let balance = engine.get_balance(&Currency::usd()).await.unwrap();\n assert!(balance.amount() < Decimal::from(10000));\n }\n\n #[tokio::test]\n async fn test_submit_limit_order() {\n let mut engine = create_test_engine().await;\n\n // Place a limit buy order below market price\n let low_price = Price::from_f64(90.0, Currency::usd()).unwrap();\n let order = Order::limit(\"TEST\", OrderSide::Buy, Quantity::from_lots(10), low_price);\n let submitted = engine.submit_order(order).await.unwrap();\n\n // Should still be pending (not filled)\n assert_eq!(submitted.status(), OrderStatus::Submitted);\n\n // Move the market price down to trigger the order\n engine.market_mut(\"TEST\").unwrap().set_price(Decimal::from(89));\n engine.tick();\n\n // Now check if order was filled\n let updated = engine.get_order(submitted.id()).await.unwrap();\n assert_eq!(updated.status(), OrderStatus::Filled);\n }\n\n #[tokio::test]\n async fn test_sell_order() {\n let mut engine = create_test_engine().await;\n\n // First buy some\n let buy = Order::market(\"TEST\", OrderSide::Buy, Quantity::from_lots(10));\n engine.submit_order(buy).await.unwrap();\n\n // Then sell\n let sell = Order::market(\"TEST\", OrderSide::Sell, Quantity::from_lots(5));\n let sold = engine.submit_order(sell).await.unwrap();\n\n assert_eq!(sold.status(), OrderStatus::Filled);\n\n // Check position was reduced\n let position = engine.get_position(\"TEST\").await.unwrap();\n assert_eq!(position.quantity().as_lots(), 5);\n }\n\n #[tokio::test]\n async fn test_insufficient_funds() {\n let mut engine = create_test_engine().await;\n\n // Try to buy more than we can afford\n let order = Order::market(\"TEST\", OrderSide::Buy, Quantity::from_lots(1000));\n let result = engine.submit_order(order).await;\n\n assert!(matches!(result, Err(ExchangeError::InsufficientFunds { .. })));\n }\n\n #[tokio::test]\n async fn test_insufficient_position() {\n let mut engine = create_test_engine().await;\n\n // Try to sell without a position\n let order = Order::market(\"TEST\", OrderSide::Sell, Quantity::from_lots(10));\n let result = engine.submit_order(order).await;\n\n assert!(matches!(result, Err(ExchangeError::Insuf**********ition { .. })));\n }\n\n #[tokio::test]\n async fn test_cancel_order() {\n let mut engine = create_test_engine().await;\n\n // Place a limit order that won't fill\n let low_price = Price::from_f64(50.0, Currency::usd()).unwrap();\n let order = Order::limit(\"TEST\", OrderSide::Buy, Quantity::from_lots(10), low_price);\n let submitted = engine.submit_order(order).await.unwrap();\n\n // Cancel it\n engine.cancel_order(submitted.id()).await.unwrap();\n\n // Verify it's cancelled\n let cancelled = engine.get_order(submitted.id()).await.unwrap();\n assert_eq!(cancelled.status(), OrderStatus::Cancelled);\n }\n\n #[tokio::test]\n async fn test_trade_history() {\n let mut engine = create_test_engine().await;\n\n let order = Order::market(\"TEST\", OrderSide::Buy, Quantity::from_lots(10));\n engine.submit_order(order).await.unwrap();\n\n let trades = engine.get_trades(10).await.unwrap();\n assert_eq!(trades.len(), 1);\n assert_eq!(trades[0].quantity().as_lots(), 10);\n }\n}\n","structuredPatch":[{"oldStart":107,"oldLines":56,"newStart":107,"newLines":74,"lines":[" "," /// Processes pending orders against current market prices."," fn process_pending_orders(&mut self) {","- let order_ids: Vec<OrderId> = self","+ // Collect order info first to avoid borrow issues","+ let order_info: Vec<(OrderId, String)> = self"," .orders"," .iter()"," .filter(|(_, o)| o.status().is_active())","- .map(|(id, _)| id.clone())","+ .map(|(id, o)| (id.clone(), o.instrument().to_string()))"," .collect();"," ","- for order_id in order_ids {","+ for (order_id, instrument) in order_info {","+ // First, update pending orders to submitted"," if let Some(order) = self.orders.get_mut(&order_id) {"," if order.status() == OrderStatus::Pending {"," order.submit();"," }","+ }"," ","- if let Some(market) = self.markets.get(order.instrument()) {","- self.try_fill_order(order, market);","+ // Get market info (clone what we need to avoid borrow issues)","+ let fill_info = if let Some(market) = self.markets.get(&instrument) {","+ let order = self.orders.get(&order_id);","+ if let Some(order) = order {","+ self.calculate_fill_info(order, market)","+ } else {","+ None"," }","+ } else {","+ None","+ };","+","+ // Execute the fill if possible","+ if let Some((price, quantity, commission_amount)) = fill_info {","+ if let Some(order) = self.orders.get_mut(&order_id) {","+ self.execute_fill_with_order(order, &price, quantity, commission_amount);","+ }"," }"," }"," }"," ","- /// Tries to fill an order based on market conditions.","- fn try_fill_order(&mut self, order: &mut Order, market: &SimulatedMarket) {","+ /// Calculates fill information for an order without mutating state.","+ fn calculate_fill_info(","+ &self,","+ order: &Order,","+ market: &SimulatedMarket,","+ ) -> Option<(Price, Quantity, Decimal)> {"," let fill_price = match order.side() {"," OrderSide::Buy => {","- // For buy orders, check if we can fill at or below limit price"," let ask = market.best_ask();"," match order.price() {"," Some(limit) if limit.value() >= ask.value() => Some(ask),","- None => Some(ask), // Market order","+ None => Some(ask),"," _ => None,"," }"," }"," OrderSide::Sell => {","- // For sell orders, check if we can fill at or above limit price"," let bid = market.best_bid();"," match order.price() {"," Some(limit) if limit.value() <= bid.value() => Some(bid),","- None => Some(bid), // Market order","+ None => Some(bid),"," _ => None,"," }"," }"," };"," ","- if let Some(price) = fill_price {","+ fill_price.and_then(|price| {"," let quantity = order.remaining_quantity();"," let value = price.value() * quantity.value();"," let commission_amount = value * self.commission_rate;"," let currency = price.currency().clone();"," ","- // Check if we have sufficient resources"," let can_fill = match order.side() {"," OrderSide::Buy => {"," let required = value + commission_amount;"]},{"oldStart":172,"oldLines":12,"newStart":190,"newLines":24,"lines":[" };"," "," if can_fill {","- // Execute the fill","- self.execute_fill(order, &price, quantity, commission_amount);","+ Some((price, quantity, commission_amount))","+ } else {","+ None"," }","- }","+ })"," }"," ","+ /// Executes a fill with an order reference.","+ fn execute_fill_with_order(","+ &mut self,","+ order: &mut Order,","+ price: &Price,","+ quantity: Quantity,","+ commission_amount: Decimal,","+ ) {","+ self.execute_fill(order, price, quantity, commission_amount);","+ }","+"," /// Executes a fill for an order."," fn execute_fill("," &mut self,"]}],"userModified":false,"replaceAll":false}}
[2025-12-29T13:23:19.900Z] [INFO] {
"type": "assistant",
"message": {
"model": "claude-opus-4-5-20251101",
"id": "msg_01AQ8Kakeg6QibMT7yYJQuLa",
"type": "message",
"role": "assistant",
"content": [
{
"type": "text",
"text": "Now let me try building again:"
}
],
"stop_reason": null,
"stop_sequence": null,
"usage": {
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"cache_read_input_tokens": 127280,
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"uuid": "85d9bbf8-7dde-42d6-bd51-1a02e6873215"
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[2025-12-29T13:23:21.809Z] [INFO] {
"type": "assistant",
"message": {
"model": "claude-opus-4-5-20251101",
"id": "msg_01AQ8Kakeg6QibMT7yYJQuLa",
"type": "message",
"role": "assistant",
"content": [
{
"type": "tool_use",
"id": "toolu_016qdg7W3EvJoLBJRbS5CZMk",
"name": "Bash",
"input": {
"command": "cargo build 2>&1 | tee build.log",
"description": "Build the project again",
"timeout": 300000
}
}
],
"stop_reason": null,
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"usage": {
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[2025-12-29T13:23:23.703Z] [INFO] {
"type": "user",
"message": {
"role": "user",
"content": [
{
"tool_use_id": "toolu_016qdg7W3EvJoLBJRbS5CZMk",
"type": "tool_result",
"content": " Compiling scalper-trader-bot v0.1.0 (/tmp/gh-issue-solver-1767013378369)\nerror[E0499]: cannot borrow `*self` as mutable more than once at a time\n --> src/simulator/engine.rs:141:21\n |\n140 | if let Some(order) = self.orders.get_mut(&order_id) {\n | ----------- first mutable borrow occurs here\n141 | self.execute_fill_with_order(order, &price, quantity, commission_amount);\n | ^^^^ ----- first borrow later used here\n | |\n | second mutable borrow occurs here\n\nFor more information about this error, try `rustc --explain E0499`.\nerror: could not compile `scalper-trader-bot` (lib) due to 1 previous error",
"is_error": false
}
]
},
"parent_tool_use_id": null,
"session_id": "47ebe5f9-a63c-4fdf-9594-7dd189455de3",
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"stdout": " Compiling scalper-trader-bot v0.1.0 (/tmp/gh-issue-solver-1767013378369)\nerror[E0499]: cannot borrow `*self` as mutable more than once at a time\n --> src/simulator/engine.rs:141:21\n |\n140 | if let Some(order) = self.orders.get_mut(&order_id) {\n | ----------- first mutable borrow occurs here\n141 | self.execute_fill_with_order(order, &price, quantity, commission_amount);\n | ^^^^ ----- first borrow later used here\n | |\n | second mutable borrow occurs here\n\nFor more information about this error, try `rustc --explain E0499`.\nerror: could not compile `scalper-trader-bot` (lib) due to 1 previous error",
"stderr": "",
"interrupted": false,
"isImage": false
}
}
[2025-12-29T13:23:29.708Z] [INFO] {
"type": "assistant",
"message": {
"model": "claude-opus-4-5-20251101",
"id": "msg_0151SgV2JtW9XfXfi5xEEJJa",
"type": "message",
"role": "assistant",
"content": [
{
"type": "text",
"text": "Still have a borrow issue. Let me refactor this more thoroughly to avoid the problem:"
}
],
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"session_id": "47ebe5f9-a63c-4fdf-9594-7dd189455de3",
"uuid": "acea243e-2877-47fe-9390-dcd5b3d65cdd"
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[2025-12-29T13:24:03.990Z] [INFO] {"type":"assistant","message":{"model":"claude-opus-4-5-20251101","id":"msg_0151SgV2JtW9XfXfi5xEEJJa","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01FiwyU8haxcb7bZSzoxZF7i","name":"Edit","i
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