fix: add sendAndConfirmRawTransaction()

web3.js/src/util/send-and-confirm-raw-transaction.js

@@ -0,0 +1,42 @@
+// @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})`);
+}

web3.js/src/util/send-and-confirm-transaction.js

@@ -1,5 +1,7 @@
 // @flow
 
+import invariant from 'assert';
+
 import {Connection} from '../connection';
 import {Transaction} from '../transaction';
 import {sleep} from './sleep';
@@ -13,7 +15,7 @@ export async function sendAndConfirmTransaction(
   connection: Connection,
   transaction: Transaction,
   ...signers: Array<Account>
-): Promise<?TransactionSignature> {
+): Promise<TransactionSignature> {
   let sendRetries = 10;
   let signature;
   for (;;) {
@@ -52,5 +54,6 @@ export async function sendAndConfirmTransaction(
     await sleep(Math.random() * 100);
   }
 
+  invariant(signature !== undefined);
   return signature;
 }