1 files changed, 33 insertions, 6 deletions
diff --git a/trie/valuenode.go b/trie/valuenode.go
index 7bf8ff06e..ef9e88ebb 100644
--- a/trie/valuenode.go
+++ b/trie/valuenode.go
@@ -1,15 +1,42 @@
+// Copyright 2014 The go-ethereum Authors
+// This file is part of go-ethereum.
+//
+// go-ethereum is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// go-ethereum is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with go-ethereum.  If not, see <http://www.gnu.org/licenses/>.
+
 package trie
 
 import "github.com/ethereum/go-ethereum/common"
 
 type ValueNode struct {
-	trie *Trie
-	data []byte
+	trie  *Trie
+	data  []byte
+	dirty bool
+}
+
+func NewValueNode(trie *Trie, data []byte) *ValueNode {
+	return &ValueNode{trie, data, false}
 }
 
-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(t *Trie) Node    { return &ValueNode{t, common.CopyBytes(self.data)} }
+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 self.dirty }
+func (self *ValueNode) Copy(t *Trie) Node {
+	return &ValueNode{t, common.CopyBytes(self.data), self.dirty}
+}
 func (self *ValueNode) RlpData() interface{} { return self.data }
 func (self *ValueNode) Hash() interface{}    { return self.data }
+
+func (self *ValueNode) setDirty(dirty bool) {
+	self.dirty = dirty
+}