BlueWallet/tests/integration/BlueElectrum.test.js

import assert from 'assert';

import * as BlueElectrum from '../../blue_modules/BlueElectrum';

jest.setTimeout(150 * 1000);

afterAll(() => {
  // after all tests we close socket so the test suite can actually terminate
  BlueElectrum.forceDisconnect();
});

beforeAll(async () => {
  // awaiting for Electrum to be connected. For RN Electrum would naturally connect
  // while app starts up, but for tests we need to wait for it
  try {
    await BlueElectrum.connectMain();
  } catch (err) {
    console.log('failed to connect to Electrum:', err);
    process.exit(1);
  }
});

describe('BlueElectrum', () => {
  it('ElectrumClient can estimate fees from histogram', async () => {
    assert.strictEqual(
      BlueElectrum.calcEstimateFeeFromFeeHistorgam(1, [
        [96, 105086],
        [83, 124591],
        [64, 108207],
        [50, 131141],
        [22, 148800],
        [17, 156916],
        [11, 413222],
        [10, 361384],
        [9, 294146],
        [8, 121778],
        [7, 1153727],
        [6, 283925],
        [5, 880946],
        [4, 825703],
        [3, 2179023],
        [2, 590559],
        [1, 1648473],
      ]),
      22,
    );
    assert.strictEqual(
      BlueElectrum.calcEstimateFeeFromFeeHistorgam(18, [
        [96, 105086],
        [83, 124591],
        [64, 108207],
        [50, 131141],
        [22, 148800],
        [17, 156916],
        [11, 413222],
        [10, 361384],
        [9, 294146],
        [8, 121778],
        [7, 1153727],
        [6, 283925],
        [5, 880946],
        [4, 825703],
        [3, 2179023],
        [2, 590559],
        [1, 1648473],
      ]),
      4,
    );
    assert.strictEqual(
      BlueElectrum.calcEstimateFeeFromFeeHistorgam(144, [
        [96, 105086],
        [83, 124591],
        [64, 108207],
        [50, 131141],
        [22, 148800],
        [17, 156916],
        [11, 413222],
        [10, 361384],
        [9, 294146],
        [8, 121778],
        [7, 1153727],
        [6, 283925],
        [5, 880946],
        [4, 825703],
        [3, 2179023],
        [2, 590559],
        [1, 1648473],
      ]),
      4,
    );
  });

  it('ElectrumClient can test connection', async () => {
    assert.ok(!(await BlueElectrum.testConnection('electrum1.bluewallet.io', 444, false)));
    assert.ok(!(await BlueElectrum.testConnection('electrum1.bluewallet.io', false, 444)));
    assert.ok(!(await BlueElectrum.testConnection('ya.ru', 444, false)));
    assert.ok(!(await BlueElectrum.testConnection('google.com', false, 80)));
    assert.ok(!(await BlueElectrum.testConnection('google.com', 80, false)));
    assert.ok(!(await BlueElectrum.testConnection('google.com', false, 443)));
    assert.ok(!(await BlueElectrum.testConnection('google.com', 443, false)));
    assert.ok(!(await BlueElectrum.testConnection('joyreactor.cc', false, 443)));
    assert.ok(!(await BlueElectrum.testConnection('joyreactor.cc', 443, false)));
    assert.ok(!(await BlueElectrum.testConnection('joyreactor.cc', 80, false)));
    assert.ok(!(await BlueElectrum.testConnection('joyreactor.cc', false, 80)));

    assert.ok(await BlueElectrum.testConnection('electrum1.bluewallet.io', '50001'));
    assert.ok(await BlueElectrum.testConnection('electrum1.bluewallet.io', false, 443));
  });

  it('ElectrumClient can estimate fees', async () => {
    assert.ok((await BlueElectrum.estimateFee(1)) > 1);
    const fees = await BlueElectrum.estimateFees();
    assert.ok(fees.fast > 0);
    assert.ok(fees.medium > 0);
    assert.ok(fees.slow > 0);
  });

  it('ElectrumClient can request server features', async () => {
    const features = await BlueElectrum.serverFeatures();
    // console.warn({features});
    assert.ok(features.server_version);
    assert.ok(features.protocol_min);
    assert.ok(features.protocol_max);
  });

  it('BlueElectrum can do getBalanceByAddress()', async function () {
    const address = '3GCvDBAktgQQtsbN6x5DYiQCMmgZ9Yk8BK';
    const balance = await BlueElectrum.getBalanceByAddress(address);
    assert.strictEqual(balance.confirmed, 51432);
    assert.strictEqual(balance.unconfirmed, 0);
    assert.strictEqual(balance.addr, address);
  });

  it('BlueElectrum can do getTransactionsByAddress()', async function () {
    const txs = await BlueElectrum.getTransactionsByAddress('bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh');
    assert.strictEqual(txs.length, 1);
    assert.strictEqual(txs[0].tx_hash, 'ad00a92409d8982a1d7f877056dbed0c4337d2ebab70b30463e2802279fb936d');
    assert.strictEqual(txs[0].height, 563077);
  });

  // skipped because requires fresh address with pending txs every time
  // eslint-disable-next-line jest/no-disabled-tests
  it.skip('BlueElectrum can do getMempoolTransactionsByAddress()', async function () {
    const txs = await BlueElectrum.getMempoolTransactionsByAddress('bc1qp33en9mnw277c9vz5fz9vcu666cvervdnk02327wwph97hdjurqqxtl03c');
    assert.ok(txs.length > 0);
    assert.ok(txs[0].tx_hash);
    assert.ok(txs[0].fee);

    const rez = await BlueElectrum.multiGetTransactionByTxid([txs[0].tx_hash], 10, true);
    assert.ok(rez[txs[0].tx_hash]);
  });

  it('BlueElectrum can do getTransactionsFullByAddress()', async function () {
    const txs = await BlueElectrum.getTransactionsFullByAddress('bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh');
    for (const tx of txs) {
      assert.ok(tx.address === 'bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh');
      assert.ok(tx.txid);
      assert.ok(tx.confirmations);
      assert.ok(!tx.vin);
      assert.ok(!tx.vout);
      assert.ok(tx.inputs);
      assert.strictEqual(tx.inputs[0]?.addresses[0], 'bc1q7td49wcxfad9v42kmvg5refn9wcnvnru4395qw');
      assert.ok(tx.inputs[0].addresses.length > 0);
      assert.ok(tx.inputs[0].value > 0);
      assert.ok(tx.outputs);
      assert.ok(tx.outputs[0].value > 0);
      assert.ok(tx.outputs[0].scriptPubKey);
      assert.ok(tx.outputs[0].addresses.length > 0);
    }
  });

  it('BlueElectrum can do txhexToElectrumTransaction()', () => {
    const tx =
      '0200000000010137d07edbc9db9a072a79c6f03e7274e52642d64d760143adc64832501087f37b00000000000000008002102700000000000022512040ef293a8a0ebaf8b351a27d89ff4b5b3822a635e4afdca77a30170c363bafa3e4ad0b00000000001600147dfe2249fa56a2f2b4b7ed3b16ee55e7c565198002483045022100e5b9f1c12e133ef659a0e5cc417b1f8625ba9e951bc7083408de2a33d6fb1a84022035ebb1e2d4ab620ee178dc6cd0b58c54123d1526d9a1b3efba612ea80e48edd101210295b56fc62cdd09c200ce19f873d5ddb3074f7141b2533448829385f48f093a1600000000';
    const decoded = BlueElectrum.txhexToElectrumTransaction(tx);
    assert.strictEqual(decoded.vout[0].scriptPubKey.addresses[0], 'bc1pgrhjjw52p6a03v635f7cnl6ttvuz9f34ujhaefm6xqtscd3m473szkl92g');
  });

  it.each([false, true])('BlueElectrum can do multiGetBalanceByAddress(), disableBatching=%p', async function (diableBatching) {
    if (diableBatching) BlueElectrum.setBatchingDisabled();
    const balances = await BlueElectrum.multiGetBalanceByAddress([
      'bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh',
      'bc1qvd6w54sydc08z3802svkxr7297ez7cusd6266p',
      'bc1qwp58x4c9e5cplsnw5096qzdkae036ug7a34x3r',
      '3GCvDBAktgQQtsbN6x5DYiQCMmgZ9Yk8BK',
      'bc1qcg6e26vtzja0h8up5w2m7utex0fsu4v0e0e7uy',
    ]);

    assert.strictEqual(balances.balance, 200000 + 51432);
    assert.strictEqual(balances.unconfirmed_balance, 0);
    assert.strictEqual(balances.addresses.bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh.confirmed, 50000);
    assert.strictEqual(balances.addresses.bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh.unconfirmed, 0);
    assert.strictEqual(balances.addresses.bc1qvd6w54sydc08z3802svkxr7297ez7cusd6266p.confirmed, 50000);
    assert.strictEqual(balances.addresses.bc1qvd6w54sydc08z3802svkxr7297ez7cusd6266p.unconfirmed, 0);
    assert.strictEqual(balances.addresses.bc1qwp58x4c9e5cplsnw5096qzdkae036ug7a34x3r.confirmed, 50000);
    assert.strictEqual(balances.addresses.bc1qwp58x4c9e5cplsnw5096qzdkae036ug7a34x3r.unconfirmed, 0);
    assert.strictEqual(balances.addresses.bc1qcg6e26vtzja0h8up5w2m7utex0fsu4v0e0e7uy.confirmed, 50000);
    assert.strictEqual(balances.addresses.bc1qcg6e26vtzja0h8up5w2m7utex0fsu4v0e0e7uy.unconfirmed, 0);
    assert.strictEqual(balances.addresses['3GCvDBAktgQQtsbN6x5DYiQCMmgZ9Yk8BK'].confirmed, 51432);
    assert.strictEqual(balances.addresses['3GCvDBAktgQQtsbN6x5DYiQCMmgZ9Yk8BK'].unconfirmed, 0);
    if (diableBatching) BlueElectrum.setBatchingEnabled();
  });

  it('BlueElectrum can do multiGetUtxoByAddress()', async () => {
    const utxos = await BlueElectrum.multiGetUtxoByAddress(
      [
        'bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh',
        'bc1qvd6w54sydc08z3802svkxr7297ez7cusd6266p',
        'bc1qwp58x4c9e5cplsnw5096qzdkae036ug7a34x3r',
        'bc1qcg6e26vtzja0h8up5w2m7utex0fsu4v0e0e7uy',
      ],
      3,
    );

    assert.strictEqual(Object.keys(utxos).length, 4);
    assert.strictEqual(
      utxos.bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh[0].txid,
      'ad00a92409d8982a1d7f877056dbed0c4337d2ebab70b30463e2802279fb936d',
    );
    assert.strictEqual(utxos.bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh[0].vout, 1);
    assert.strictEqual(utxos.bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh[0].value, 50000);
    assert.strictEqual(utxos.bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh[0].address, 'bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh');
  });

  it.each([false, true])('ElectrumClient can do multiGetHistoryByAddress(), disableBatching=%p', async disableBatching => {
    if (disableBatching) BlueElectrum.setBatchingDisabled();
    const histories = await BlueElectrum.multiGetHistoryByAddress(
      [
        'bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh',
        'bc1qvd6w54sydc08z3802svkxr7297ez7cusd6266p',
        'bc1qwp58x4c9e5cplsnw5096qzdkae036ug7a34x3r',
        'bc1qcg6e26vtzja0h8up5w2m7utex0fsu4v0e0e7uy',
        'bc1qcg6e26vtzja0h8up5w2m7utex0fsu4v0e0e7uy', // duplicate intended
      ],
      3,
    );

    assert.ok(
      histories.bc1qt4t9xl2gmjvxgmp5gev6m8e6s9c85979ta7jeh[0].tx_hash ===
        'ad00a92409d8982a1d7f877056dbed0c4337d2ebab70b30463e2802279fb936d',
    );
    assert.ok(
      histories.bc1qcg6e26vtzja0h8up5w2m7utex0fsu4v0e0e7uy[0].tx_hash ===
        '5e2fa84148a7389537434b3ad12fcae71ed43ce5fb0f016a7f154a9b99a973df',
    );
    assert.ok(Object.keys(histories).length === 4);
    if (disableBatching) BlueElectrum.setBatchingEnabled();
  });

  it.each([false, true])('ElectrumClient can do multiGetTransactionByTxid(), disableBatching=%p', async disableBatching => {
    if (disableBatching) BlueElectrum.setBatchingDisabled();
    const txdatas = await BlueElectrum.multiGetTransactionByTxid(
      [
        'ad00a92409d8982a1d7f877056dbed0c4337d2ebab70b30463e2802279fb936d',
        '042c9e276c2d06b0b84899771a7f218af90dd60436947c49a844a05d7c104b26',
        '2cf439be65e7cc7c6e4db721b1c8fcb1cd95ff07cde79a52a73b3d15a12b2eb6',
        '5e2fa84148a7389537434b3ad12fcae71ed43ce5fb0f016a7f154a9b99a973df',
        '5e2fa84148a7389537434b3ad12fcae71ed43ce5fb0f016a7f154a9b99a973df', // duplicate intended
      ],
      true,
      3,
    );

    assert.ok(
      txdatas.ad00a92409d8982a1d7f877056dbed0c4337d2ebab70b30463e2802279fb936d.txid ===
        'ad00a92409d8982a1d7f877056dbed0c4337d2ebab70b30463e2802279fb936d',
    );
    assert.ok(
      txdatas['5e2fa84148a7389537434b3ad12fcae71ed43ce5fb0f016a7f154a9b99a973df'].txid ===
        '5e2fa84148a7389537434b3ad12fcae71ed43ce5fb0f016a7f154a9b99a973df',
    );
    assert.ok(txdatas['5e2fa84148a7389537434b3ad12fcae71ed43ce5fb0f016a7f154a9b99a973df'].size);
    assert.ok(txdatas['5e2fa84148a7389537434b3ad12fcae71ed43ce5fb0f016a7f154a9b99a973df'].vin);
    assert.ok(txdatas['5e2fa84148a7389537434b3ad12fcae71ed43ce5fb0f016a7f154a9b99a973df'].vout);
    assert.ok(txdatas['5e2fa84148a7389537434b3ad12fcae71ed43ce5fb0f016a7f154a9b99a973df'].blocktime);
    assert.strictEqual(
      txdatas['5e2fa84148a7389537434b3ad12fcae71ed43ce5fb0f016a7f154a9b99a973df']?.vout[0]?.scriptPubKey?.addresses[0],
      'bc1qp09gdem9xepasp4zxa2fxyvr8wazhms0wvtds9',
    );

    assert.ok(Object.keys(txdatas).length === 4);
    if (disableBatching) BlueElectrum.setBatchingEnabled();
  });

  it('multiGetTransactionByTxid() can work with big batches', async () => {
    // eslint-disable-next-line prettier/prettier
    const vinTxids = 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    const vintxdatas = await BlueElectrum.multiGetTransactionByTxid(vinTxids, true);
    assert.ok(vintxdatas['8881027cfa2be033b7a9724b5547b710f5ba8aef1becb3ed53d34d614a54e3bc']);
  });

  // eslint-disable-next-line jest/no-disabled-tests
  it.skip('multiGetTransactionByTxid() can work with huge tx', async () => {
    // electrum cant return verbose output because of "response too large (over 1,000,000 bytes"
    // for example:
    // echo '[{"jsonrpc":"2.0","method":"blockchain.transaction.get","params":["484a11c5e086a281413b9192b4f60c06abf745f08c2c28c4b4daefe6df3b9e5c", true],"id":1}]' | nc bitkoins.nl  50001 -i 1
    // @see https://electrumx.readthedocs.io/en/latest/protocol-methods.html#blockchain-transaction-get
    //
    // possible solution: fetch it without verbose and decode locally. unfortunatelly it omits such info as confirmations, time etc
    // so whoever uses it should be prepared for this.
    // tbh consumer wallets dont usually work with such big txs, so probably we dont need it
    const txdatas = await BlueElectrum.multiGetTransactionByTxid(
      ['484a11c5e086a281413b9192b4f60c06abf745f08c2c28c4b4daefe6df3b9e5c'],
      true,
    );
    assert.ok(txdatas['484a11c5e086a281413b9192b4f60c06abf745f08c2c28c4b4daefe6df3b9e5c']);
  });

  it.each([false, true])('ElectrumClient can do multiGetHistoryByAddress() to obtain txhex, disableBatching=%p', async disableBatching => {
    if (disableBatching) BlueElectrum.setBatchingDisabled();
    const txdatas = await BlueElectrum.multiGetTransactionByTxid(
      ['881c54edd95cbdd1583d6b9148eb35128a47b64a2e67a5368a649d6be960f08e'],
      false,
      3,
    );

    assert.strictEqual(
      txdatas['881c54edd95cbdd1583d6b9148eb35128a47b64a2e67a5368a649d6be960f08e'],
      '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',
    );
    if (disableBatching) BlueElectrum.setBatchingEnabled();
  });
});