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// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// 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.
//
// The go-ethereum library 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 the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package trie
type FullNode struct {
trie *Trie
nodes [17]Node
dirty bool
}
func NewFullNode(t *Trie) *FullNode {
return &FullNode{trie: t}
}
func (self *FullNode) Dirty() bool { return self.dirty }
func (self *FullNode) Value() Node {
self.nodes[16] = self.trie.trans(self.nodes[16])
return self.nodes[16]
}
func (self *FullNode) Branches() []Node {
return self.nodes[:16]
}
func (self *FullNode) Copy(t *Trie) Node {
nnode := NewFullNode(t)
for i, node := range self.nodes {
if node != nil {
nnode.nodes[i] = node
}
}
nnode.dirty = true
return nnode
}
// Returns the length of non-nil nodes
func (self *FullNode) Len() (amount int) {
for _, node := range self.nodes {
if node != nil {
amount++
}
}
return
}
func (self *FullNode) Hash() interface{} {
return self.trie.store(self)
}
func (self *FullNode) RlpData() interface{} {
t := make([]interface{}, 17)
for i, node := range self.nodes {
if node != nil {
t[i] = node.Hash()
} else {
t[i] = ""
}
}
return t
}
func (self *FullNode) set(k byte, value Node) {
self.nodes[int(k)] = value
self.dirty = true
}
func (self *FullNode) branch(i byte) Node {
if self.nodes[int(i)] != nil {
self.nodes[int(i)] = self.trie.trans(self.nodes[int(i)])
return self.nodes[int(i)]
}
return nil
}
func (self *FullNode) setDirty(dirty bool) {
self.dirty = dirty
}
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