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

// @flow
import nacl from 'tweetnacl';

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 transfer = SystemProgram.transfer(account1.publicKey, account2.publicKey, 123);

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

  const partialTransaction = new Transaction({recentBlockhash}).add(transfer);
  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 transfer1 = SystemProgram.transfer(account1.publicKey, account2.publicKey, 123);
  const transfer2 = SystemProgram.transfer(account2.publicKey, account1.publicKey, 123);

  const orgTransaction = new Transaction({recentBlockhash}).add(transfer1, transfer2);
  orgTransaction.sign(account1, account2);

  const newTransaction = new Transaction({
    recentBlockhash: orgTransaction.recentBlockhash,
    signatures: orgTransaction.signatures,
  }).add(transfer1, transfer2);

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

test('parse wire format and serialize', () => {
  const keypair = nacl.sign.keyPair.fromSeed(
    Uint8Array.from(Array(32).fill(8)),
  );
  const sender = new Account(Buffer.from(keypair.secretKey)); // Arbitrary known account
  const recentBlockhash = 'EETubP5AKHgjPAhzPAFcb8BAY1hMH639CWCFTqi3hq1k'; // Arbitrary known recentBlockhash
  const recipient = new PublicKey(
    'J3dxNj7nDRRqRRXuEMynDG57DkZK4jYRuv3Garmb1i99',
  ); // Arbitrary known public key
  const transfer = SystemProgram.transfer(sender.publicKey, recipient, 49);
  const expectedTransaction = new Transaction({recentBlockhash}).add(transfer);
  expectedTransaction.sign(sender);

  const wireTransaction = Buffer.from([
    1,
    132,
    50,
    204,
    17,
    25,
    230,
    33,
    52,
    8,
    149,
    124,
    56,
    114,
    17,
    236,
    92,
    93,
    53,
    234,
    122,
    120,
    219,
    193,
    255,
    2,
    14,
    87,
    12,
    207,
    99,
    241,
    32,
    151,
    102,
    70,
    60,
    218,
    73,
    232,
    68,
    33,
    94,
    134,
    117,
    138,
    182,
    179,
    118,
    249,
    132,
    52,
    41,
    162,
    44,
    0,
    43,
    193,
    242,
    120,
    108,
    4,
    163,
    191,
    6,
    1,
    2,
    19,
    152,
    246,
    44,
    109,
    26,
    69,
    124,
    81,
    186,
    106,
    75,
    95,
    61,
    189,
    47,
    105,
    252,
    169,
    50,
    22,
    33,
    141,
    200,
    153,
    126,
    65,
    107,
    209,
    125,
    147,
    202,
    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,
    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());
});