133 lines
3.3 KiB
TypeScript
133 lines
3.3 KiB
TypeScript
import base58 from 'bs58';
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import invariant from 'assert';
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import {expect} from 'chai';
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import {
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Account,
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Connection,
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Transaction,
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SystemProgram,
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LAMPORTS_PER_SOL,
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} from '../src';
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import {MOCK_PORT, url} from './url';
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import {helpers, mockRpcResponse, mockServer} from './mocks/rpc-http';
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import {stubRpcWebSocket, restoreRpcWebSocket} from './mocks/rpc-websockets';
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describe('Transaction Payer', () => {
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let connection: Connection;
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beforeEach(() => {
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connection = new Connection(url);
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});
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if (mockServer) {
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const server = mockServer;
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beforeEach(() => {
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server.start(MOCK_PORT);
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stubRpcWebSocket(connection);
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});
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afterEach(() => {
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server.stop();
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restoreRpcWebSocket(connection);
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});
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}
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it('transaction-payer', async () => {
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const accountPayer = new Account();
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const accountFrom = new Account();
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const accountTo = new Account();
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await helpers.airdrop({
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connection,
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address: accountPayer.publicKey,
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amount: LAMPORTS_PER_SOL,
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});
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await mockRpcResponse({
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method: 'getMinimumBalanceForRentExemption',
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params: [0],
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value: 50,
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});
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const minimumAmount = await connection.getMinimumBalanceForRentExemption(0);
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await helpers.airdrop({
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connection,
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address: accountFrom.publicKey,
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amount: minimumAmount + 12,
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});
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await helpers.airdrop({
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connection,
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address: accountTo.publicKey,
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amount: minimumAmount + 21,
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});
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const transaction = new Transaction().add(
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SystemProgram.transfer({
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fromPubkey: accountFrom.publicKey,
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toPubkey: accountTo.publicKey,
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lamports: 10,
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}),
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);
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await helpers.processTransaction({
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connection,
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transaction,
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signers: [accountPayer, accountFrom],
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commitment: 'confirmed',
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});
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invariant(transaction.signature);
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const signature = base58.encode(transaction.signature);
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await mockRpcResponse({
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method: 'getSignatureStatuses',
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params: [[signature]],
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value: [
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{
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slot: 0,
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confirmations: 11,
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status: {Ok: null},
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err: null,
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},
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],
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withContext: true,
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});
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const {value} = await connection.getSignatureStatus(signature);
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if (value !== null) {
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expect(typeof value.slot).to.eq('number');
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expect(value.err).to.be.null;
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} else {
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expect(value).not.to.be.null;
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}
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await mockRpcResponse({
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method: 'getBalance',
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params: [accountPayer.publicKey.toBase58(), {commitment: 'confirmed'}],
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value: LAMPORTS_PER_SOL - 1,
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withContext: true,
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});
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// accountPayer should be less than LAMPORTS_PER_SOL as it paid for the transaction
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// (exact amount less depends on the current cluster fees)
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const balance = await connection.getBalance(
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accountPayer.publicKey,
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'confirmed',
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);
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expect(balance).to.be.greaterThan(0);
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expect(balance).to.be.at.most(LAMPORTS_PER_SOL);
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// accountFrom should have exactly 2, since it didn't pay for the transaction
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await mockRpcResponse({
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method: 'getBalance',
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params: [accountFrom.publicKey.toBase58(), {commitment: 'confirmed'}],
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value: minimumAmount + 2,
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withContext: true,
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});
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expect(
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await connection.getBalance(accountFrom.publicKey, 'confirmed'),
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).to.eq(minimumAmount + 2);
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});
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});
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