go-ethereum/trie/shortnode.go

42 lines
935 B
Go
Raw Normal View History

2015-01-08 04:47:04 -06:00
package trie
2014-11-18 05:02:13 -06:00
2015-03-16 05:27:38 -05:00
import "github.com/ethereum/go-ethereum/common"
2014-11-18 05:02:13 -06:00
type ShortNode struct {
trie *Trie
key []byte
value Node
2015-07-01 08:38:32 -05:00
dirty bool
2014-11-18 05:02:13 -06:00
}
func NewShortNode(t *Trie, key []byte, value Node) *ShortNode {
2015-07-01 08:38:32 -05:00
return &ShortNode{t, []byte(CompactEncode(key)), value, false}
2014-11-18 05:02:13 -06:00
}
func (self *ShortNode) Value() Node {
self.value = self.trie.trans(self.value)
return self.value
}
2015-07-01 08:38:32 -05:00
func (self *ShortNode) Dirty() bool { return self.dirty }
func (self *ShortNode) Copy(t *Trie) Node {
2015-07-01 08:38:32 -05:00
node := &ShortNode{t, nil, self.value.Copy(t), self.dirty}
2015-03-16 05:27:38 -05:00
node.key = common.CopyBytes(self.key)
2015-07-01 08:38:32 -05:00
node.dirty = true
return node
}
2014-11-18 05:02:13 -06:00
func (self *ShortNode) RlpData() interface{} {
return []interface{}{self.key, self.value.Hash()}
}
func (self *ShortNode) Hash() interface{} {
return self.trie.store(self)
}
func (self *ShortNode) Key() []byte {
2015-01-08 04:47:04 -06:00
return CompactDecode(string(self.key))
2014-11-18 05:02:13 -06:00
}
2015-07-01 08:38:32 -05:00
func (self *ShortNode) setDirty(dirty bool) {
self.dirty = dirty
}