From 41d0ef3a5c4636329c156bbab18f6fe928ddb6fb Mon Sep 17 00:00:00 2001
From: danijelTxFusion <danijel@txfusion.io>
Date: Tue, 23 Jan 2024 03:13:42 +0100
Subject: [PATCH] fix(utils): pad zeroes to left instead to right in
 `getHashedL2ToL1Msg()`

---
 src/utils.ts             | 4 ++--
 tests/unit/utils.test.ts | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/utils.ts b/src/utils.ts
index 96512bb1..366d09ad 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -79,9 +79,9 @@ export function getHashedL2ToL1Msg(sender: Address, msg: BytesLike, txNumberInBl
     const encodedMsg = new Uint8Array([
         0, // l2ShardId
         1, // isService
-        ...ethers.getBytes(ethers.zeroPadBytes(ethers.toBeHex(txNumberInBlock), 2)),
+        ...ethers.getBytes(ethers.zeroPadValue(ethers.toBeHex(txNumberInBlock), 2)),
         ...ethers.getBytes(L1_MESSENGER_ADDRESS),
-        ...ethers.getBytes(ethers.zeroPadBytes(sender, 32)),
+        ...ethers.getBytes(ethers.zeroPadValue(sender, 32)),
         ...ethers.getBytes(ethers.keccak256(msg)),
     ]);
 
diff --git a/tests/unit/utils.test.ts b/tests/unit/utils.test.ts
index 5e151e20..fc2f85f1 100644
--- a/tests/unit/utils.test.ts
+++ b/tests/unit/utils.test.ts
@@ -8,7 +8,7 @@ describe("utils", () => {
             const withdrawETHMessage =
                 "0x6c0960f936615cf349d7f6344891b1e7ca7c72883f5dc04900000000000000000000000000000000000000000000000000000001a13b8600";
             const withdrawETHMessageHash =
-                "0xd8c80ecb64619e343f57c3b133c6c6d8dd0572dd3488f1ca3276c5b7fd3a938d";
+                "0x521bd25904766c83fe868d6a29cbffa011afd8a1754f6c9a52b053b693e42f18";
             const result = utils.getHashedL2ToL1Msg(
                 "0x36615Cf349d7F6344891B1e7CA7C72883F5dc049",
                 withdrawETHMessage,