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

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obscuren
2015-02-02 19:58:34 -08:00
parent 6fecb150d6
commit 3c7181d28f
7 changed files with 54 additions and 20 deletions
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8
trie/shortnode.go
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@ -1,5 +1,7 @@
package trie
import "github.com/ethereum/go-ethereum/ethutil"
type ShortNode struct {
trie *Trie
key []byte
@ -15,7 +17,11 @@ func (self *ShortNode) Value() Node {
return self.value
}
func (self *ShortNode) Dirty() bool { return true }
func (self *ShortNode) Copy() Node { return NewShortNode(self.trie, self.key, self.value) }
func (self *ShortNode) Copy(t *Trie) Node {
node := &ShortNode{t, nil, self.value.Copy(t)}
node.key = ethutil.CopyBytes(self.key)
return node
}
func (self *ShortNode) RlpData() interface{} {
return []interface{}{self.key, self.value.Hash()}