From 0fbf024c8c9aeac5d6e9598022ebab4f1aa1a6f4 Mon Sep 17 00:00:00 2001
From: Michael Vines <mvines@gmail.com>
Date: Tue, 30 Oct 2018 11:10:11 -0700
Subject: [PATCH] fix: improve retry logic on AccountInUse

---
 web3.js/src/util/send-and-confirm-transaction.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/web3.js/src/util/send-and-confirm-transaction.js b/web3.js/src/util/send-and-confirm-transaction.js
index e38e82c948..8ac80538ba 100644
--- a/web3.js/src/util/send-and-confirm-transaction.js
+++ b/web3.js/src/util/send-and-confirm-transaction.js
@@ -15,7 +15,7 @@ export async function sendAndConfirmTransaction(
   runtimeErrorOk: boolean = false
 ): Promise<void> {
 
-  let sendRetries = 3;
+  let sendRetries = 10;
   for (;;) {
     const start = Date.now();
     const signature = await connection.sendTransaction(from, transaction);
@@ -44,6 +44,9 @@ export async function sendAndConfirmTransaction(
     if (status !== 'AccountInUse' || --sendRetries <= 0) {
       throw new Error(`Transaction ${signature} failed (${status})`);
     }
+
+    // Retry in 0..100ms to try to avoid another collision
+    await sleep(Math.random() * 100);
   }
 }