BlueWallet/tests/unit/hd-legacy-wallet.test.js

import { HDLegacyP2PKHWallet } from '../../class';
const assert = require('assert');
const bitcoin = require('bitcoinjs-lib');

describe('Legacy HD (BIP44)', () => {
  it('works', async () => {
    if (!process.env.HD_MNEMONIC) {
      console.error('process.env.HD_MNEMONIC not set, skipped');
      return;
    }
    const hd = new HDLegacyP2PKHWallet();
    hd.setSecret(process.env.HD_MNEMONIC);
    assert.ok(hd.validateMnemonic());

    assert.strictEqual(
      hd.getXpub(),
      'xpub6ByZUAv558PPheJgcPYHpxPLwz8M7TtueYMAik84NADeQcvbzS8W3WxxJ3C9NzfYkMoChiMAumWbeEvMWhTVpH75NqGv5c9wF3wKDbfQShb',
    );

    assert.strictEqual(hd._getExternalAddressByIndex(0), '186FBQmCV5W1xY7ywaWtTZPAQNciVN8Por');
    assert.strictEqual(hd._getInternalAddressByIndex(0), '1J9zoJz5LsAJ361SQHYnLTWg46Tc2AXUCj');

    assert.strictEqual(hd._getInternalWIFByIndex(0), 'L4ojevRtK81A8Kof3qyLS2M7HvsVDbUDENNhJqU4vf79w9yGnQLb');
    assert.strictEqual(hd._getExternalWIFByIndex(0), 'Kz6kLhdyDfSbKuVH25XVqBRztjmFe8X22Xe1hnFzEv79gJNMkTAH');

    assert.ok(hd.getAllExternalAddresses().includes('186FBQmCV5W1xY7ywaWtTZPAQNciVN8Por'));
    assert.ok(!hd.getAllExternalAddresses().includes('1J9zoJz5LsAJ361SQHYnLTWg46Tc2AXUCj')); // not internal

    assert.strictEqual(
      hd._getPubkeyByAddress(hd._getExternalAddressByIndex(0)).toString('hex'),
      '0316e84a2556f30a199541633f5dda6787710ccab26771b7084f4c9e1104f47667',
    );
    assert.strictEqual(
      hd._getPubkeyByAddress(hd._getInternalAddressByIndex(0)).toString('hex'),
      '02ad7b2216f3a2b38d56db8a7ee5c540fd12c4bbb7013106eff78cc2ace65aa002',
    );

    assert.strictEqual(hd._getDerivationPathByAddress(hd._getExternalAddressByIndex(0)), "m/84'/0'/0'/0/0"); // wrong, FIXME
    assert.strictEqual(hd._getDerivationPathByAddress(hd._getInternalAddressByIndex(0)), "m/84'/0'/0'/1/0"); // wrong, FIXME
  });

  it('can create TX', async () => {
    if (!process.env.HD_MNEMONIC) {
      console.error('process.env.HD_MNEMONIC not set, skipped');
      return;
    }
    const hd = new HDLegacyP2PKHWallet();
    hd.setSecret(process.env.HD_MNEMONIC);
    assert.ok(hd.validateMnemonic());

    const utxo = [
      {
        height: 554830,
        value: 10000,
        address: '186FBQmCV5W1xY7ywaWtTZPAQNciVN8Por',
        txId: '4f65c8cb159585c00d4deba9c5b36a2bcdfb1399a561114dcf6f2d0c1174bc5f',
        vout: 0,
        txid: '4f65c8cb159585c00d4deba9c5b36a2bcdfb1399a561114dcf6f2d0c1174bc5f',
        amount: 10000,
        wif: 'Kz6kLhdyDfSbKuVH25XVqBRztjmFe8X22Xe1hnFzEv79gJNMkTAH',
        confirmations: 1,
        txhex:
          '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',
      },
      {
        height: 554830,
        value: 20000,
        address: '1J9zoJz5LsAJ361SQHYnLTWg46Tc2AXUCj',
        txId: '4f65c8cb159585c00d4deba9c5b36a2bcdfb1399a561114dcf6f2d0c1174bc5f',
        vout: 1,
        txid: '4f65c8cb159585c00d4deba9c5b36a2bcdfb1399a561114dcf6f2d0c1174bc5f',
        amount: 20000,
        wif: 'L4ojevRtK81A8Kof3qyLS2M7HvsVDbUDENNhJqU4vf79w9yGnQLb',
        confirmations: 1,
        txhex:
          '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',
      },
      {
        height: 554830,
        value: 30000,
        address: '186FBQmCV5W1xY7ywaWtTZPAQNciVN8Por',
        txId: '4f65c8cb159585c00d4deba9c5b36a2bcdfb1399a561114dcf6f2d0c1174bc5f',
        vout: 2,
        txid: '4f65c8cb159585c00d4deba9c5b36a2bcdfb1399a561114dcf6f2d0c1174bc5f',
        amount: 30000,
        wif: 'Kz6kLhdyDfSbKuVH25XVqBRztjmFe8X22Xe1hnFzEv79gJNMkTAH',
        confirmations: 1,
        txhex:
          '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',
      },
      {
        height: 554830,
        value: 40000,
        address: '1J9zoJz5LsAJ361SQHYnLTWg46Tc2AXUCj',
        txId: '4f65c8cb159585c00d4deba9c5b36a2bcdfb1399a561114dcf6f2d0c1174bc5f',
        vout: 3,
        txid: '4f65c8cb159585c00d4deba9c5b36a2bcdfb1399a561114dcf6f2d0c1174bc5f',
        amount: 40000,
        wif: 'L4ojevRtK81A8Kof3qyLS2M7HvsVDbUDENNhJqU4vf79w9yGnQLb',
        confirmations: 1,
        txhex:
          '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',
      },
    ];

    let txNew = hd.createTransaction(
      utxo,
      [{ address: '3GcKN7q7gZuZ8eHygAhHrvPa5zZbG5Q1rK', value: 80000 }],
      1,
      hd._getInternalAddressByIndex(hd.next_free_change_address_index),
    );
    let tx = bitcoin.Transaction.fromHex(txNew.tx.toHex());
    assert.strictEqual(tx.ins.length, 3);
    assert.strictEqual(tx.outs.length, 2);
    assert.strictEqual(tx.outs[0].value, 80000); // payee
    assert.strictEqual(tx.outs[1].value, 9478); // change
    let toAddress = bitcoin.address.fromOutputScript(tx.outs[0].script);
    const changeAddress = bitcoin.address.fromOutputScript(tx.outs[1].script);
    assert.strictEqual('3GcKN7q7gZuZ8eHygAhHrvPa5zZbG5Q1rK', toAddress);
    assert.strictEqual(hd._getInternalAddressByIndex(hd.next_free_change_address_index), changeAddress);

    // testing sendMax
    txNew = hd.createTransaction(
      utxo,
      [{ address: '3GcKN7q7gZuZ8eHygAhHrvPa5zZbG5Q1rK' }],
      1,
      hd._getInternalAddressByIndex(hd.next_free_change_address_index),
    );
    tx = bitcoin.Transaction.fromHex(txNew.tx.toHex());
    assert.strictEqual(tx.ins.length, 4);
    assert.strictEqual(tx.outs.length, 1);
    toAddress = bitcoin.address.fromOutputScript(tx.outs[0].script);
    assert.strictEqual('3GcKN7q7gZuZ8eHygAhHrvPa5zZbG5Q1rK', toAddress);
  });

  it('can sign and verify messages', async () => {
    const mnemonic = 'abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about';
    const hd = new HDLegacyP2PKHWallet();
    hd.setSecret(mnemonic);
    let signature;

    // external address
    signature = hd.signMessage('vires is numeris', hd._getExternalAddressByIndex(0));
    assert.strictEqual(signature, 'H5J8DbqvuBy8lqRW7+LTVrrtrsaqLSwRDyj+5XtCrZpdCgPlxKM4EKRD6qvdKeyEh1fiSfIVB/edPAum3gKcJZo=');
    assert.strictEqual(hd.verifyMessage('vires is numeris', hd._getExternalAddressByIndex(0), signature), true);

    // internal address
    signature = hd.signMessage('vires is numeris', hd._getInternalAddressByIndex(0));
    assert.strictEqual(signature, 'H98hmvtyPFUbR6E5Tcsqmc+eSjlYhP2vy41Y6IyHS9DVKEI5n8VEMpIEDtvlMARVce96nOqbRHXo9nD05WXH/Eo=');
    assert.strictEqual(hd.verifyMessage('vires is numeris', hd._getInternalAddressByIndex(0), signature), true);
  });

  it('can show fingerprint', async () => {
    const mnemonic = 'abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about';
    const hd = new HDLegacyP2PKHWallet();
    hd.setSecret(mnemonic);
    assert.strictEqual(hd.getMasterFingerprintHex(), '73C5DA0A');
  });
});