From 14b13b8c8c2fc6ecb4df96ed810b5ffd99acd4b5 Mon Sep 17 00:00:00 2001
From: Vojtech Vitek <vv@horizon.io>
Date: Fri, 9 Aug 2024 10:44:17 +0200
Subject: [PATCH] Temporary go-ethereum patch: Allow numbers with leading
 zeroes, e.g. 0x09

---
 go-ethereum/common/hexutil/hexutil.go | 8 +++++---
 go-ethereum/common/hexutil/json.go    | 8 +++++---
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/go-ethereum/common/hexutil/hexutil.go b/go-ethereum/common/hexutil/hexutil.go
index d3201850..a1cb892c 100644
--- a/go-ethereum/common/hexutil/hexutil.go
+++ b/go-ethereum/common/hexutil/hexutil.go
@@ -201,9 +201,11 @@ func checkNumber(input string) (raw string, err error) {
 	if len(input) == 0 {
 		return "", ErrEmptyNumber
 	}
-	if len(input) > 1 && input[0] == '0' {
-		return "", ErrLeadingZero
-	}
+	// Temporary Sequence patch.
+	// Uncommented to allow numbers with leading zeroes, e.g. 0x09.
+	// if len(input) > 1 && input[0] == '0' {
+	// 	return "", ErrLeadingZero
+	// }
 	return input, nil
 }
 
diff --git a/go-ethereum/common/hexutil/json.go b/go-ethereum/common/hexutil/json.go
index e0ac98f5..ce2d8cc6 100644
--- a/go-ethereum/common/hexutil/json.go
+++ b/go-ethereum/common/hexutil/json.go
@@ -403,9 +403,11 @@ func checkNumberText(input []byte) (raw []byte, err error) {
 	if len(input) == 0 {
 		return nil, ErrEmptyNumber
 	}
-	if len(input) > 1 && input[0] == '0' {
-		return nil, ErrLeadingZero
-	}
+	// Temporary Sequence patch.
+	// Uncommented to allow numbers with leading zeroes, e.g. 0x09.
+	// if len(input) > 1 && input[0] == '0' {
+	// 	return nil, ErrLeadingZero
+	// }
 	return input, nil
 }