ptrie/shortnode.go


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package ptrie

import "github.com/ethereum/go-ethereum/trie"

type ShortNode struct {
    trie  *Trie
    key   []byte
    value Node
}

func NewShortNode(t *Trie, key []byte, value Node) *ShortNode {
    return &ShortNode{t, []byte(trie.CompactEncode(key)), value}
}
func (self *ShortNode) Value() Node {
    self.value = self.trie.trans(self.value)

    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) RlpData() interface{} {
    return []interface{}{self.key, self.value.Hash()}
}
func (self *ShortNode) Hash() interface{} {
    return self.trie.store(self)
}

func (self *ShortNode) Key() []byte {
    return trie.CompactDecode(string(self.key))
}