This script is intended to run periodically via a systemd timer (e.g., once per week) to generate updated Bitcoin UTXO hints.

generate_hints.sh

#!/usr/bin/env bash
set -euo pipefail
umask 022

BITCOINCLI="$HOME/dev/bitcoin/build/bin/bitcoin-cli"
HINT_DIR="$HOME/hints"
NEW_HINT_DIR="$HOME/hints_new"

echo "=== $(date) starting generatetxohints ==="

# 1) Check RPC and extract blockchain info
BLOCKCHAININFO_OUTPUT=$("$BITCOINCLI" getblockchaininfo 2>&1) || {
  echo "ERROR: bitcoind not reachable via RPC" >&2
  exit 1
}

CHAIN_NAME=$(echo "$BLOCKCHAININFO_OUTPUT"      | grep '"chain"'         | sed 's/.*"chain": *"\([^"]*\)".*/\1/')
BLOCK_HEIGHT=$(echo "$BLOCKCHAININFO_OUTPUT"    | grep '"blocks"'        | sed 's/.*"blocks": *\([0-9]*\).*/\1/')
BEST_BLOCK_HASH=$(echo "$BLOCKCHAININFO_OUTPUT" | grep '"bestblockhash"' | sed 's/.*"bestblockhash": *"\([^"]*\)".*/\1/')
HASH_SUFFIX="${BEST_BLOCK_HASH: -8}"

FINAL_HINT="$NEW_HINT_DIR/${CHAIN_NAME}_${BLOCK_HEIGHT}_${HASH_SUFFIX}.hints"
VERSIONED_HINT_GZ="$HINT_DIR/${CHAIN_NAME}_${BLOCK_HEIGHT}_${HASH_SUFFIX}.hints.gz"
LATEST_HINT_GZ="$HINT_DIR/${CHAIN_NAME}.hints.gz"

echo "Chain: $CHAIN_NAME | Block: $BLOCK_HEIGHT | Hash suffix: $HASH_SUFFIX"

# 2) Ensure new hints directory exists
rm -rf "$NEW_HINT_DIR"
mkdir -p "$NEW_HINT_DIR"
chmod 755 "$NEW_HINT_DIR"
echo "Cleaned up $NEW_HINT_DIR"

# 3) Generate hints in hints_new directory
if "$BITCOINCLI" --rpcclienttimeout=0 generatetxohints "$FINAL_HINT"; then
  echo "Generation finished successfully"

  # 4) Ensure hints directory exists
  mkdir -p "$HINT_DIR"
  chmod 755 "$HINT_DIR"

  # 5) Create versioned copy
  gzip -c "$FINAL_HINT" > "$VERSIONED_HINT_GZ"
  chmod 644 "$VERSIONED_HINT_GZ"
  echo "Created versioned hints: $VERSIONED_HINT_GZ"

  # 6) Replace latest copy
  rm -f "$LATEST_HINT_GZ"
  cp "$VERSIONED_HINT_GZ" "$LATEST_HINT_GZ"
  chmod 644 "$LATEST_HINT_GZ"
  echo "Updated latest hints: $LATEST_HINT_GZ"
else
  echo "ERROR: Hints generation failed" >&2
  exit 1
fi

echo "=== $(date) finished ==="

Oh I see, certainly do what is best for Floresta, I was just making sure you had the most up to date branch!