From b797ea700fc6dc48c5837aed31eef5331006dd0e Mon Sep 17 00:00:00 2001
From: Elena <elena@arenabg.com>
Date: Mon, 27 Feb 2023 18:13:31 +0200
Subject: [PATCH] Use a cast to bytes4 instead of LibBytes

Co-authored-by: duncancmt <1207590+duncancmt@users.noreply.github.com>
---
 contracts/governance/src/ZeroExTimelock.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/governance/src/ZeroExTimelock.sol b/contracts/governance/src/ZeroExTimelock.sol
index a397ac2055..93f28c71e5 100644
--- a/contracts/governance/src/ZeroExTimelock.sol
+++ b/contracts/governance/src/ZeroExTimelock.sol
@@ -64,7 +64,7 @@ contract ZeroExTimelock is TimelockController {
             // function signature for rollback(bytes4,address)
             // = bytes4(keccak256("rollback(bytes4,address)"))
             // = 0x9db64a40
-            require(payload.readBytes4(0) == 0x9db64a40, "TimelockController: Not a rollback call");
+            require(bytes4(payload) == bytes4(0x9db64a40), "TimelockController: Not a rollback call");
 
             _execute(target, value, payload);
             emit CallExecuted(id, i, target, value, payload);