Official Go implementation of the Ethereum protocol
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go-ethereum/trie/hashnode.go

47 lines
1.4 KiB

// 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 HashNode struct {
key []byte
trie *Trie
dirty bool
}
func NewHash(key []byte, trie *Trie) *HashNode {
return &HashNode{key, trie, false}
}
func (self *HashNode) RlpData() interface{} {
return self.key
}
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 }
func (self *HashNode) Copy(t *Trie) Node { return NewHash(common.CopyBytes(self.key), t) }