From 0a1ff68c11706f60355b392cb16a681630260ac3 Mon Sep 17 00:00:00 2001
From: Jeffrey Wilcke <geffobscura@gmail.com>
Date: Wed, 1 Jul 2015 15:38:32 +0200
Subject: trie: dirty tracking

---
 trie/hashnode.go | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'trie/hashnode.go')

diff --git a/trie/hashnode.go b/trie/hashnode.go
index 8125cc3c9..e82ab8069 100644
--- a/trie/hashnode.go
+++ b/trie/hashnode.go
@@ -3,12 +3,13 @@ package trie
 import "github.com/ethereum/go-ethereum/common"
 
 type HashNode struct {
-	key  []byte
-	trie *Trie
+	key   []byte
+	trie  *Trie
+	dirty bool
 }
 
 func NewHash(key []byte, trie *Trie) *HashNode {
-	return &HashNode{key, trie}
+	return &HashNode{key, trie, false}
 }
 
 func (self *HashNode) RlpData() interface{} {
@@ -19,6 +20,10 @@ func (self *HashNode) Hash() interface{} {
 	return self.key
 }
 
+func (self *HashNode) setDirty(dirty bool) {
+	self.dirty = dirty
+}
+
 // These methods will never be called but we have to satisfy Node interface
 func (self *HashNode) Value() Node       { return nil }
 func (self *HashNode) Dirty() bool       { return true }
-- 
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