From 62144e60744786d33f2b0b44f463821daecaf758 Mon Sep 17 00:00:00 2001
From: Mike-CZ <m1k3cz@pm.me>
Date: Fri, 31 Jan 2025 12:42:28 +0100
Subject: [PATCH] [OZ][N-13] Unnecessary Assembly Usage (#121)

---
 contracts/sfc/NodeDriverAuth.sol | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/contracts/sfc/NodeDriverAuth.sol b/contracts/sfc/NodeDriverAuth.sol
index 1281f06..3d58756 100644
--- a/contracts/sfc/NodeDriverAuth.sol
+++ b/contracts/sfc/NodeDriverAuth.sol
@@ -172,20 +172,11 @@ contract NodeDriverAuth is OwnableUpgradeable, UUPSUpgradeable {
     }
 
     function isContract(address account) internal view returns (bool) {
-        uint256 size;
-        // solhint-disable-next-line no-inline-assembly
-        assembly {
-            size := extcodesize(account)
-        }
-        return size > 0;
+        return account.code.length > 0;
     }
 
     function _getCodeHash(address addr) internal view returns (bytes32) {
-        bytes32 codeHash;
-        assembly {
-            codeHash := extcodehash(addr)
-        }
-        return codeHash;
+        return addr.codehash;
     }
 
     uint256[50] private __gap;