57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
// @flow
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import {Connection} from '../connection';
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import {Transaction} from '../transaction';
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import {sleep} from './sleep';
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import type {Account} from '../account';
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import type {TransactionSignature} from '../transaction';
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/**
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* Sign, send and confirm a transaction
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*/
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export async function sendAndConfirmTransaction(
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connection: Connection,
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from: Account,
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transaction: Transaction,
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runtimeErrorOk: boolean = false
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): Promise<?TransactionSignature> {
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let sendRetries = 10;
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let signature;
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for (;;) {
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const start = Date.now();
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signature = await connection.sendTransaction(from, transaction);
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// Wait up to a couple seconds for a confirmation
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let status = 'SignatureNotFound';
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let statusRetries = 4;
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for (;;) {
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status = await connection.getSignatureStatus(signature);
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if (status !== 'SignatureNotFound') {
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break;
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}
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await sleep(500);
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if (--statusRetries <= 0) {
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const duration = (Date.now() - start) / 1000;
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throw new Error(`Transaction '${signature}' was not confirmed in ${duration.toFixed(2)} seconds (${status})`);
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}
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}
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if ( (status === 'Confirmed') ||
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(status === 'ProgramRuntimeError' && runtimeErrorOk) ) {
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break;
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}
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if (status !== 'AccountInUse' || --sendRetries <= 0) {
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throw new Error(`Transaction ${signature} failed (${status})`);
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}
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// Retry in 0..100ms to try to avoid another collision
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await sleep(Math.random() * 100);
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}
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return signature;
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}
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