solana/web3.js/test/transaction.test.js

// @flow
import {Account} from '../src/account';
import {PublicKey} from '../src/publickey';
import {Transaction} from '../src/transaction';
import {SystemProgram} from '../src/system-program';

test('signPartial', () => {
  const account1 = new Account();
  const account2 = new Account();
  const recentBlockhash = account1.publicKey.toBase58(); // Fake recentBlockhash
  const move = SystemProgram.move(account1.publicKey, account2.publicKey, 123);

  const transaction = new Transaction({recentBlockhash}).add(move);
  transaction.sign(account1, account2);

  const partialTransaction = new Transaction({recentBlockhash}).add(move);
  partialTransaction.signPartial(account1, account2.publicKey);
  expect(partialTransaction.signatures[1].signature).toBeNull();
  partialTransaction.addSigner(account2);

  expect(partialTransaction).toEqual(transaction);
});

test('transfer signatures', () => {
  const account1 = new Account();
  const account2 = new Account();
  const recentBlockhash = account1.publicKey.toBase58(); // Fake recentBlockhash
  const move1 = SystemProgram.move(account1.publicKey, account2.publicKey, 123);
  const move2 = SystemProgram.move(account2.publicKey, account1.publicKey, 123);

  const orgTransaction = new Transaction({recentBlockhash}).add(move1, move2);
  orgTransaction.sign(account1, account2);

  const newTransaction = new Transaction({
    recentBlockhash: orgTransaction.recentBlockhash,
    fee: orgTransaction.fee,
    signatures: orgTransaction.signatures,
  }).add(move1, move2);

  expect(newTransaction).toEqual(orgTransaction);
});

test('parse wire format and serialize', () => {
  const recentBlockhash = 'EETubP5AKHgjPAhzPAFcb8BAY1hMH639CWCFTqi3hq1k'; // Arbitrary known recentBlockhash
  const sender = new Account(Buffer.alloc(64, 8)); // Arbitrary known account
  const recipient = new PublicKey(
    'J3dxNj7nDRRqRRXuEMynDG57DkZK4jYRuv3Garmb1i99',
  ); // Arbitrary known public key
  const move = SystemProgram.move(sender.publicKey, recipient, 49);
  const expectedTransaction = new Transaction({recentBlockhash}).add(move);
  expectedTransaction.sign(sender);

  const wireTransaction = Buffer.from([
    1,
    50,
    238,
    193,
    5,
    227,
    31,
    95,
    69,
    85,
    3,
    132,
    143,
    216,
    77,
    235,
    129,
    3,
    109,
    89,
    222,
    127,
    137,
    228,
    15,
    113,
    207,
    169,
    93,
    167,
    249,
    71,
    33,
    185,
    182,
    83,
    116,
    203,
    102,
    64,
    245,
    68,
    34,
    100,
    193,
    156,
    109,
    35,
    104,
    119,
    101,
    197,
    43,
    141,
    174,
    228,
    154,
    146,
    78,
    216,
    202,
    18,
    177,
    179,
    5,
    2,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    8,
    253,
    67,
    159,
    204,
    182,
    103,
    39,
    242,
    137,
    197,
    198,
    222,
    59,
    196,
    168,
    254,
    93,
    213,
    215,
    119,
    112,
    188,
    143,
    241,
    92,
    62,
    238,
    220,
    177,
    74,
    243,
    252,
    196,
    154,
    231,
    118,
    3,
    120,
    32,
    84,
    241,
    122,
    157,
    236,
    234,
    67,
    180,
    68,
    235,
    160,
    237,
    177,
    44,
    111,
    29,
    49,
    198,
    224,
    228,
    168,
    75,
    240,
    82,
    235,
    1,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    1,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    1,
    0,
    2,
    0,
    1,
    12,
    2,
    0,
    0,
    0,
    49,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
  ]);
  const tx = Transaction.from(wireTransaction);

  expect(tx).toEqual(expectedTransaction);
  expect(wireTransaction).toEqual(expectedTransaction.serialize());
});