From b6a4ac99610328410881a9ad57b4c02361b0056c Mon Sep 17 00:00:00 2001
From: jwasinger <j-wasinger@hotmail.com>
Date: Mon, 20 Oct 2025 17:51:29 +0800
Subject: [PATCH] core/vm: don't call SetCode after contract creation if
 initcode didn't return anything (#32916)

The code change is a noop here, and the tracing hook shouldn't be
invoked if the account code doesn't actually change.
---
 core/vm/evm.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/vm/evm.go b/core/vm/evm.go
index 88ef1cf121..8975c791c8 100644
--- a/core/vm/evm.go
+++ b/core/vm/evm.go
@@ -601,7 +601,9 @@ func (evm *EVM) initNewContract(contract *Contract, address common.Address) ([]b
 		}
 	}
 
-	evm.StateDB.SetCode(address, ret, tracing.CodeChangeContractCreation)
+	if len(ret) > 0 {
+		evm.StateDB.SetCode(address, ret, tracing.CodeChangeContractCreation)
+	}
 	return ret, nil
 }