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61 lines
1.4 KiB
61 lines
1.4 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU 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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Foobar 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file Trie.h
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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*/
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#pragma once
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#include <map>
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#include "RLP.h"
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#include "sha256.h"
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namespace eth
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{
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u256 hash256(StringMap const& _s);
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u256 hash256(u256Map const& _s);
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std::string hexPrefixEncode(bytes const& _hexVector, bool _terminated = false, int _begin = 0, int _end = -1);
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class TrieNode;
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/**
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* @brief Merkle Patricia Tree "Trie": a modifed base-16 Radix tree.
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*/
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class Trie
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{
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public:
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Trie(): m_root(nullptr) {}
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~Trie();
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u256 sha256() const;
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bytes rlp() const;
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void debugPrint();
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std::string const& at(std::string const& _key) const;
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void insert(std::string const& _key, std::string const& _value);
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void remove(std::string const& _key);
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private:
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TrieNode* m_root;
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};
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}
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