From 2b003dc9a673880e7e742de613b72e59d864fc1d Mon Sep 17 00:00:00 2001
From: Jared Wasinger <j-wasinger@hotmail.com>
Date: Sat, 22 Nov 2025 21:17:40 +0800
Subject: [PATCH] fix triggered by a 'contract creation -> revert -> creation
 of same contract' in the same transaction

---
 core/types/bal/bal.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/types/bal/bal.go b/core/types/bal/bal.go
index c61e7aac61..e56f73790a 100644
--- a/core/types/bal/bal.go
+++ b/core/types/bal/bal.go
@@ -111,6 +111,9 @@ func (c *idxAccessListBuilder) codeChange(address common.Address, prev, cur []by
 		c.prestates[address] = &accountIdxPrestate{}
 	}
 	if c.prestates[address].code == nil {
+		if prev == nil {
+			prev = []byte{}
+		}
 		c.prestates[address].code = prev
 	}
 	if _, ok := c.accessesStack[len(c.accessesStack)-1][address]; !ok {