src/util/send-and-confirm-transaction.js
// @flow
import {Connection} from '../connection';
import {Transaction} from '../transaction';
import type {Account} from '../account';
import type {ConfirmOptions} from '../connection';
import type {TransactionSignature} from '../transaction';
/**
* Sign, send and confirm a transaction.
*
* If `confirmations` count is not specified, wait for transaction to be finalized.
*
* @param {Connection} connection
* @param {Transaction} transaction
* @param {Array<Account>} signers
* @param {ConfirmOptions} [options]
* @returns {Promise<TransactionSignature>}
*/
export async function sendAndConfirmTransaction(
connection: Connection,
transaction: Transaction,
signers: Array<Account>,
options?: ConfirmOptions,
): Promise<TransactionSignature> {
const start = Date.now();
const signature = await connection.sendTransaction(
transaction,
signers,
options,
);
const status = (
await connection.confirmTransaction(
signature,
options && options.confirmations,
)
).value;
if (status) {
if (status.err) {
throw new Error(
`Transaction ${signature} failed (${JSON.stringify(status)})`,
);
}
return signature;
}
const duration = (Date.now() - start) / 1000;
throw new Error(
`Transaction was not confirmed in ${duration.toFixed(
2,
)} seconds (${JSON.stringify(status)})`,
);
}