From 28aea46ac08579f3ecd1c35620915b8e1bfcc8b0 Mon Sep 17 00:00:00 2001
From: rjl493456442 <garyrong0905@gmail.com>
Date: Mon, 21 Aug 2017 08:47:15 +0800
Subject: core: implement Metropolis EIP 658, receipt status byte

---
 common/bytes.go | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'common')

diff --git a/common/bytes.go b/common/bytes.go
index c445968f2..66577bbfd 100644
--- a/common/bytes.go
+++ b/common/bytes.go
@@ -47,6 +47,9 @@ func FromHex(s string) []byte {
 //
 // Returns an exact copy of the provided bytes
 func CopyBytes(b []byte) (copiedBytes []byte) {
+	if b == nil {
+		return nil
+	}
 	copiedBytes = make([]byte, len(b))
 	copy(copiedBytes, b)
 
-- 
cgit