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91 lines
2.1 KiB
91 lines
2.1 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file BasicAuthority.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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* Determines the PoW algorithm.
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*/
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#pragma once
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#include <libdevcore/RLP.h>
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#include <libdevcrypto/Common.h>
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#include "BlockInfo.h"
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#include "Common.h"
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#include "Sealer.h"
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class BasicAuthoritySeal;
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namespace dev
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{
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namespace eth
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{
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/**
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* The proof of work algorithm base type.
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*
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* Must implement a basic templated interface, including:
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* typename Result
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* typename Solution
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* typename CPUMiner
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* typename GPUMiner
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* and a few others. TODO
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*/
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class BasicAuthority
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{
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public:
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// TODO: remove
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struct Result {};
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struct WorkPackage {};
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static const WorkPackage NullWorkPackage;
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static std::string name() { return "BasicAuthority"; }
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static unsigned revision() { return 0; }
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static SealEngineFace* createSealEngine();
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class BlockHeaderRaw: public BlockInfo
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{
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friend class ::BasicAuthoritySeal;
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public:
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bool verify() const;
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bool preVerify() const;
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WorkPackage package() const { return NullWorkPackage; }
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Signature sig() const { return m_sig; }
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protected:
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BlockHeaderRaw(BlockInfo const& _bi): BlockInfo(_bi) {}
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static const unsigned SealFields = 1;
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void populateFromHeader(RLP const& _header, Strictness _s);
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void streamRLPFields(RLPStream& _s) const { _s << m_sig; }
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void clear() { m_sig = Signature(); }
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void noteDirty() const {}
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private:
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Signature m_sig;
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};
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using BlockHeader = BlockHeaderPolished<BlockHeaderRaw>;
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static const Address Authority;
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};
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}
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}
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