Sign with Regular Key on Vanity account on XRPL/Xahau

vanity.mjs

import lib from "xrpl-accountlib";
import { XrplClient } from 'xrpl-client'

const vanityAccount = "rrrrrrrr";
const signWithRegularKeySecret = "ssssss"; // or use secret numbers and change the derive fn below

const tx = {
  TransactionType: "Payment",
  Account: vanityAccount,
  Fee: "12",
  // More tx details here
};

const wss = "wss://xrplcluster.com";
const client = new XrplClient(wss)
const account = lib.derive.familySeed(signWithRegularKeySecret); // or secret numbers here
const networkInfo = await lib.utils.txNetworkAndAccountValues(client, {
  ...account,
  address: vanityAccount,
})

console.log(networkInfo)
console.log("Sign and Submit");

const signed = await lib.signAndSubmit({
  ...networkInfo.txValues,
  ...tx
}, client, account);

console.log(signed);

client.close();