src/util/send-and-confirm-raw-transaction.js
// @flow
import {Connection} from '../connection';
import {sleep} from './sleep';
import type {TransactionSignature} from '../transaction';
/**
* Sign, send and confirm a raw transaction
*/
export async function sendAndConfirmRawTransaction(
connection: Connection,
rawTransaction: Buffer,
): Promise<TransactionSignature> {
const start = Date.now();
let signature = await connection.sendRawTransaction(rawTransaction);
// Wait up to a couple seconds for a confirmation
let status = '';
let statusRetries = 4;
for (;;) {
status = await connection.getSignatureStatus(signature);
if (status !== 'SignatureNotFound') {
break;
}
await sleep(500);
if (--statusRetries <= 0) {
const duration = (Date.now() - start) / 1000;
throw new Error(
`Raw Transaction '${signature}' was not confirmed in ${duration.toFixed(
2,
)} seconds (${status})`,
);
}
}
if (status === 'Confirmed') {
return signature;
}
throw new Error(`Raw transaction ${signature} failed (${status})`);
}