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3f047be5aa
All code outside of cmd/ is licensed as LGPL. The headers now reflect this by calling the whole work "the go-ethereum library".
95 lines
2.1 KiB
Go
95 lines
2.1 KiB
Go
// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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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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// The go-ethereum library 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 the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package trie
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type FullNode struct {
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trie *Trie
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nodes [17]Node
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dirty bool
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}
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func NewFullNode(t *Trie) *FullNode {
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return &FullNode{trie: t}
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}
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func (self *FullNode) Dirty() bool { return self.dirty }
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func (self *FullNode) Value() Node {
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self.nodes[16] = self.trie.trans(self.nodes[16])
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return self.nodes[16]
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}
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func (self *FullNode) Branches() []Node {
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return self.nodes[:16]
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}
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func (self *FullNode) Copy(t *Trie) Node {
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nnode := NewFullNode(t)
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for i, node := range self.nodes {
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if node != nil {
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nnode.nodes[i] = node
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}
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}
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nnode.dirty = true
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return nnode
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}
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// Returns the length of non-nil nodes
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func (self *FullNode) Len() (amount int) {
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for _, node := range self.nodes {
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if node != nil {
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amount++
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}
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}
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return
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}
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func (self *FullNode) Hash() interface{} {
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return self.trie.store(self)
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}
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func (self *FullNode) RlpData() interface{} {
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t := make([]interface{}, 17)
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for i, node := range self.nodes {
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if node != nil {
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t[i] = node.Hash()
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} else {
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t[i] = ""
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}
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}
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return t
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}
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func (self *FullNode) set(k byte, value Node) {
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self.nodes[int(k)] = value
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self.dirty = true
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}
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func (self *FullNode) branch(i byte) Node {
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if self.nodes[int(i)] != nil {
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self.nodes[int(i)] = self.trie.trans(self.nodes[int(i)])
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return self.nodes[int(i)]
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}
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return nil
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}
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func (self *FullNode) setDirty(dirty bool) {
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self.dirty = dirty
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}
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