From 627cf5ab8ebda43f281e90d5f7185019835c662c Mon Sep 17 00:00:00 2001
From: wphan <william@drift.trade>
Date: Sat, 11 Nov 2023 17:09:06 -0800
Subject: [PATCH] ts-sdk: do not crash if blockhash fetch fails

---
 sdk/src/tx/fastSingleTxSender.ts | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/sdk/src/tx/fastSingleTxSender.ts b/sdk/src/tx/fastSingleTxSender.ts
index d9791082c..c6135f8e8 100644
--- a/sdk/src/tx/fastSingleTxSender.ts
+++ b/sdk/src/tx/fastSingleTxSender.ts
@@ -54,9 +54,13 @@ export class FastSingleTxSender extends BaseTxSender {
 
 	startBlockhashRefreshLoop(): void {
 		setInterval(async () => {
-			this.recentBlockhash = (
-				await this.connection.getLatestBlockhash(this.opts)
-			).blockhash;
+			try {
+				this.recentBlockhash = (
+					await this.connection.getLatestBlockhash(this.opts)
+				).blockhash;
+			} catch (e) {
+				console.error('Error in startBlockhashRefreshLoop: ', e);
+			}
 		}, this.blockhashRefreshInterval);
 	}