From e5b3f0aa062c3dd057ea94f66614c564beae2b2f Mon Sep 17 00:00:00 2001
From: aac <andrewchen67@gmail.com>
Date: Sun, 27 Jun 2021 12:49:22 +1000
Subject: [PATCH] ts: Fix uncaught base64 log error (#423)

---
 ts/src/coder/event.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/ts/src/coder/event.ts b/ts/src/coder/event.ts
index 3b73a100..2e18f7af 100644
--- a/ts/src/coder/event.ts
+++ b/ts/src/coder/event.ts
@@ -47,7 +47,13 @@ export class EventCoder {
   }
 
   public decode(log: string): Event | null {
-    const logArr = Buffer.from(base64.toByteArray(log));
+    let logArr: Buffer;
+    // This will throw if log length is not a multiple of 4.
+    try {
+      logArr = Buffer.from(base64.toByteArray(log));
+    } catch (e){
+      return null;
+    }
     const disc = base64.fromByteArray(logArr.slice(0, 8));
 
     // Only deserialize if the discriminator implies a proper event.