From cd7dded55336d8c5caa7ae0a4b708a3437822b8c Mon Sep 17 00:00:00 2001
From: Mattie Conover <git@mconover.dev>
Date: Mon, 18 Jul 2022 17:04:29 -0400
Subject: [PATCH] Fix underflow in gas calculation (#794)

---
 typescript/helloworld/src/app/app.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/typescript/helloworld/src/app/app.ts b/typescript/helloworld/src/app/app.ts
index cec079b31..b6c8a4a1d 100644
--- a/typescript/helloworld/src/app/app.ts
+++ b/typescript/helloworld/src/app/app.ts
@@ -31,7 +31,7 @@ export class HelloWorldApp<
       message,
       chainConnection.overrides,
     );
-    const gasLimit = estimated.mul(1.1).toNumber();
+    const gasLimit = estimated.mul(11).div(10);
 
     const tx = await sender.sendHelloWorld(toDomain, message, {
       ...chainConnection.overrides,