Fixed a copy issue in the trie which could cause a consensus failure

1 files changed, 3 insertions, 1 deletions

diff --git a/trie/valuenode.go b/trie/valuenode.go
index 689befb2a..8912b1c82 100644
--- a/trie/valuenode.go
+++ b/trie/valuenode.go
@@ -1,5 +1,7 @@
 package trie
 
+import "github.com/ethereum/go-ethereum/ethutil"
+
 type ValueNode struct {
 	trie *Trie
 	data []byte
@@ -8,6 +10,6 @@ type ValueNode struct {
 func (self *ValueNode) Value() Node          { return self } // Best not to call :-)
 func (self *ValueNode) Val() []byte          { return self.data }
 func (self *ValueNode) Dirty() bool          { return true }
-func (self *ValueNode) Copy() Node           { return &ValueNode{self.trie, self.data} }
+func (self *ValueNode) Copy(t *Trie) Node    { return &ValueNode{t, ethutil.CopyBytes(self.data)} }
 func (self *ValueNode) RlpData() interface{} { return self.data }
 func (self *ValueNode) Hash() interface{}    { return self.data }