From 340286acf4f7d8924957649fcfd4e2caa145db18 Mon Sep 17 00:00:00 2001
From: Guillaume Ballet <3272758+gballet@users.noreply.github.com>
Date: Thu, 26 Feb 2026 14:58:58 +0100
Subject: [PATCH] trie/bintrie: fix endianness in code chunk key computation

---
 trie/bintrie/trie.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/trie/bintrie/trie.go b/trie/bintrie/trie.go
index ecdd002331..a509c471b8 100644
--- a/trie/bintrie/trie.go
+++ b/trie/bintrie/trie.go
@@ -384,7 +384,7 @@ func (t *BinaryTrie) UpdateContractCode(addr common.Address, codeHash common.Has
 		if groupOffset == 0 /* start of new group */ || chunknr == 0 /* first chunk in header group */ {
 			values = make([][]byte, StemNodeWidth)
 			var offset [HashSize]byte
-			binary.LittleEndian.PutUint64(offset[24:], chunknr+128)
+			binary.BigEndian.PutUint64(offset[24:], chunknr+128)
 			key = GetBinaryTreeKey(addr, offset[:])
 		}
 		values[groupOffset] = chunks[i : i+HashSize]