From cf941b0eda304a38db71ef4a97d46d677c8a751d Mon Sep 17 00:00:00 2001
From: Justin Starry <justin@solana.com>
Date: Thu, 20 Aug 2020 12:36:42 +0800
Subject: [PATCH] fix: properly decode account notifications (#11724)

---
 web3.js/src/connection.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/web3.js/src/connection.js b/web3.js/src/connection.js
index b2bc738172..c97f7c0980 100644
--- a/web3.js/src/connection.js
+++ b/web3.js/src/connection.js
@@ -2832,12 +2832,13 @@ export class Connection {
         const {result} = res;
         const {value, context} = result;
 
+        assert(value.data[1] === 'base64');
         sub.callback(
           {
             executable: value.executable,
             owner: new PublicKey(value.owner),
             lamports: value.lamports,
-            data: Buffer.from(value.data, 'base64'),
+            data: Buffer.from(value.data[0], 'base64'),
           },
           context,
         );