From 838be05374e33f1c01cce85f7f2f44d6c237ff94 Mon Sep 17 00:00:00 2001
From: Shivam Agrawal <shivam.agrawal7828@gmail.com>
Date: Sun, 24 Dec 2023 00:59:58 +0530
Subject: [PATCH] fix: minor optimization

---
 contracts/BatchTransaction.sol | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/contracts/BatchTransaction.sol b/contracts/BatchTransaction.sol
index 7361c55..a3e122c 100644
--- a/contracts/BatchTransaction.sol
+++ b/contracts/BatchTransaction.sol
@@ -252,21 +252,18 @@ contract BatchTransaction is Basic, NitroMessageHandler, ReentrancyGuard {
     }
 
     function processRefunds(address user) internal {
-        uint256 len = tokensToRefund[user].tokens.length;
+        address[] memory tokens = tokensToRefund[user].tokens;
+        delete tokensToRefund[user].tokens;
+
+        uint256 len = tokens.length;
 
         for (uint256 i = 0; i < len; ) {
-            withdrawTokens(
-                tokensToRefund[user].tokens[i],
-                user,
-                type(uint256).max
-            );
+            withdrawTokens(tokens[i], user, type(uint256).max);
 
             unchecked {
                 ++i;
             }
         }
-
-        delete tokensToRefund[user];
     }
 
     /**