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57 lines
1.6 KiB
57 lines
1.6 KiB
// Copyright 2014 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package trie
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import "github.com/ethereum/go-ethereum/common"
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type ShortNode struct {
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trie *Trie
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key []byte
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value Node
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dirty bool
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}
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func NewShortNode(t *Trie, key []byte, value Node) *ShortNode {
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return &ShortNode{t, []byte(CompactEncode(key)), value, false}
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}
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func (self *ShortNode) Value() Node {
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self.value = self.trie.trans(self.value)
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return self.value
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}
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func (self *ShortNode) Dirty() bool { return self.dirty }
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func (self *ShortNode) Copy(t *Trie) Node {
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node := &ShortNode{t, nil, self.value.Copy(t), self.dirty}
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node.key = common.CopyBytes(self.key)
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node.dirty = true
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return node
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}
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func (self *ShortNode) RlpData() interface{} {
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return []interface{}{self.key, self.value.Hash()}
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}
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func (self *ShortNode) Hash() interface{} {
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return self.trie.store(self)
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}
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func (self *ShortNode) Key() []byte {
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return CompactDecode(string(self.key))
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}
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func (self *ShortNode) setDirty(dirty bool) {
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self.dirty = dirty
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}
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