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94 lines
2.6 KiB
94 lines
2.6 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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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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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 BlockInfo.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 "Common.h"
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#include "Transaction.h"
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namespace eth
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{
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struct BlockInfo
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{
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public:
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h256 hash; ///< SHA3 hash of the entire block!
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h256 parentHash;
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h256 sha3Uncles;
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Address coinbaseAddress;
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h256 stateRoot;
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h256 sha3Transactions;
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u256 difficulty;
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u256 timestamp;
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bytes extraData;
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h256 nonce;
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BlockInfo();
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explicit BlockInfo(bytesConstRef _block);
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static BlockInfo fromHeader(bytesConstRef _block);
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explicit operator bool() const { return timestamp != Invalid256; }
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bool operator==(BlockInfo const& _cmp) const
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{
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return parentHash == _cmp.parentHash &&
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sha3Uncles == _cmp.sha3Uncles &&
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coinbaseAddress == _cmp.coinbaseAddress &&
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stateRoot == _cmp.stateRoot &&
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sha3Transactions == _cmp.sha3Transactions &&
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difficulty == _cmp.difficulty &&
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timestamp == _cmp.timestamp &&
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extraData == _cmp.extraData &&
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nonce == _cmp.nonce;
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}
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bool operator!=(BlockInfo const& _cmp) const { return !operator==(_cmp); }
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static BlockInfo const& genesis() { if (!s_genesis) (s_genesis = new BlockInfo)->populateGenesis(); return *s_genesis; }
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void populateFromHeader(RLP const& _header);
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void populate(bytesConstRef _block);
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void verifyInternals(bytesConstRef _block) const;
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void verifyParent(BlockInfo const& _parent) const;
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u256 calculateDifficulty(BlockInfo const& _bi) const;
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/// No-nonce sha3 of the header only.
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h256 headerHashWithoutNonce() const;
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void fillStream(RLPStream& _s, bool _nonce) const;
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static bytes createGenesisBlock();
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private:
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void populateGenesis();
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static BlockInfo* s_genesis;
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};
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inline std::ostream& operator<<(std::ostream& _out, BlockInfo const& _bi)
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{
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_out << _bi.hash << " " << _bi.parentHash << " " << _bi.sha3Uncles << " " << _bi.coinbaseAddress << " " << _bi.stateRoot << " " << _bi.sha3Transactions << " " <<
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_bi.difficulty << " " << _bi.timestamp << " " << _bi.nonce;
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return _out;
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}
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}
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