solana/web3.js/test/get-confirmed-block.test.js

84 lines
2.4 KiB
JavaScript

// @flow
import {Account} from '../src/account';
import {SystemProgram} from '../src/system-program';
import {Transaction} from '../src/transaction';
test('verify getConfirmedBlock', () => {
const account0 = new Account();
const account1 = new Account();
const account2 = new Account();
const account3 = new Account();
const recentBlockhash = account1.publicKey.toBase58(); // Fake recentBlockhash
// Create a couple signed transactions
const transfer0 = SystemProgram.transfer({
fromPubkey: account0.publicKey,
toPubkey: account1.publicKey,
lamports: 123,
});
const transaction0 = new Transaction({recentBlockhash}).add(transfer0);
transaction0.sign(account0);
const transfer1 = SystemProgram.transfer({
fromPubkey: account2.publicKey,
toPubkey: account3.publicKey,
lamports: 456,
});
let transaction1 = new Transaction({recentBlockhash}).add(transfer1);
transaction1.sign(account2);
// Build ConfirmedBlock, with dummy data for blockhashes, balances
const confirmedBlock = {
blockhash: recentBlockhash,
previousBlockhash: recentBlockhash,
transactions: [
{
transaction: transaction0,
meta: {
fee: 0,
preBalances: [100000, 100000, 1, 1, 1],
postBalances: [99877, 100123, 1, 1, 1],
status: {Ok: null},
err: null,
},
},
{
transaction: transaction1,
meta: {
fee: 0,
preBalances: [100000, 100000, 1, 1, 1],
postBalances: [99544, 100456, 1, 1, 1],
status: {Ok: null},
err: null,
},
},
],
rewards: [],
};
// Verify signatures in ConfirmedBlock
for (const transactionWithMeta of confirmedBlock.transactions) {
expect(transactionWithMeta.transaction.verifySignatures()).toBe(true);
}
const bogusSignature = {
signature: Buffer.alloc(64, 9),
publicKey: account2.publicKey,
};
transaction1.signatures[0] = bogusSignature;
let badConfirmedBlock = confirmedBlock;
badConfirmedBlock.transactions[1].transaction = transaction1;
// Verify signatures in ConfirmedBlock
const verifications = badConfirmedBlock.transactions.map(
transactionWithMeta => transactionWithMeta.transaction.verifySignatures(),
);
expect(
verifications.reduce(
(accumulator, currentValue) => accumulator && currentValue,
),
).toBe(false);
});