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			55 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| 	This file is part of cpp-ethereum.
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| 
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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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| 
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| 	cpp-ethereum 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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| 
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| 	You should have received a copy of the GNU General Public License
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| 	along with cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
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| */
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| /** @file MemTrie.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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| 
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| #pragma once
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| 
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| #include <libdevcore/Common.h>
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| #include <libdevcore/FixedHash.h>
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| 
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| namespace dev
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| {
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| 
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| class MemTrieNode;
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| 
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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 MemTrie
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| {
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| public:
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| 	MemTrie(): m_root(nullptr) {}
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| 	~MemTrie();
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| 
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| 	h256 hash256() const;
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| 	bytes rlp() const;
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| 
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| 	void debugPrint();
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| 
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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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| 
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| private:
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| 	MemTrieNode* m_root;
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| };
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| 
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| }
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