56 lines
1.7 KiB
JavaScript
56 lines
1.7 KiB
JavaScript
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/**
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* This script finds an address given an account extended public key
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* Usage: edit these fields below and run it like `node find-address.js`
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*/
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const assert = require('node:assert/strict');
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const HDPublicKey = require('hsd/lib/hd/public');
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const Address = require('hsd/lib/primitives/address');
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// **********
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// FILL THESE
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// **********
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const NETWORK = 'main';
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const ACCOUNT_XPUB = 'xpub6BvF6DnLZRV6my62FuQ8nw5TRebL8qr9Wa7u2tE1aEedHWBt4XAfSaNTmP1SM2nXErGWSzxRAHVwqstPzRrsXtA2vn1a4KzLwAVEgLNmfca'; // should start with: xpub, rpub, etc.
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const SEARCH_ADDRESS = 'hs1q3tlnmk9sp2luxdvkdcyvtj8ucj5pa4hwvr8ql6';
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const [START, END] = [0, 0x7fffffff];
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// const [START, END] = [0, 100];
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(() => {
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const account = HDPublicKey.fromBase58(ACCOUNT_XPUB, NETWORK);
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console.log('[*] Using account public key:', account.xpubkey(NETWORK));
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const expectedAddr = new Address(SEARCH_ADDRESS, NETWORK);
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console.log('[*] Searching for address:', expectedAddr.toString(NETWORK));
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const len = END - START;
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assert((len >>> 0) > 0);
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for (let i = START; i <= END; i++) {
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if (i % 1e3 === 0) {
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console.log(`[${i}/${len}] searching...`);
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}
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/** @type {Buffer[]} */
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const keys = [
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account.derive(0).derive(i).publicKey, // receive
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account.derive(1).derive(i).publicKey, // change
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];
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for (const [branch, key] of keys.entries()) {
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const addr = Address.fromPubkey(key);
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if (expectedAddr.equals(addr)) {
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console.log('Found address', {
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address: addr,
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branch: branch,
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index: i,
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publicKey: key.toString('hex'),
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});
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return;
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}
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}
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}
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console.log(`Searched index from ${START} to ${END}. Address not found.`);
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})();
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