Paweł Bylica
8 years ago
9 changed files with 3 additions and 365 deletions
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/*
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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 Sealer.cpp
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* @author Gav Wood <i@gavwood.com> |
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* @date 2014 |
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*/ |
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#include "Sealer.h" |
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using namespace std; |
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using namespace dev; |
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using namespace eth; |
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@ -1,77 +0,0 @@ |
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/*
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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 Sealer.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 <functional> |
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#include <libdevcore/Guards.h> |
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#include <libdevcore/RLP.h> |
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#include "Common.h" |
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namespace dev |
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{ |
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namespace eth |
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{ |
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class BlockInfo; |
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class SealEngineFace |
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{ |
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public: |
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virtual ~SealEngineFace() {} |
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virtual std::string name() const = 0; |
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virtual unsigned revision() const = 0; |
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virtual unsigned sealFields() const = 0; |
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virtual bytes sealRLP() const = 0; |
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bytes option(std::string const& _name) const { Guard l(x_options); return m_options.count(_name) ? m_options.at(_name) : bytes(); } |
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bool setOption(std::string const& _name, bytes const& _value) { Guard l(x_options); try { if (onOptionChanging(_name, _value)) { m_options[_name] = _value; return true; } } catch (...) {} return false; } |
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virtual strings sealers() const { return { "default" }; } |
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virtual void setSealer(std::string const&) {} |
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virtual void generateSeal(BlockInfo const& _bi) = 0; |
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virtual void onSealGenerated(std::function<void(bytes const& s)> const& _f) = 0; |
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virtual void cancelGeneration() {} |
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protected: |
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virtual bool onOptionChanging(std::string const&, bytes const&) { return true; } |
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void injectOption(std::string const& _name, bytes const& _value) { Guard l(x_options); m_options[_name] = _value; } |
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private: |
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mutable Mutex x_options; |
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std::unordered_map<std::string, bytes> m_options; |
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}; |
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template <class Sealer> |
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class SealEngineBase: public SealEngineFace |
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{ |
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public: |
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std::string name() const override { return Sealer::name(); } |
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unsigned revision() const override { return Sealer::revision(); } |
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unsigned sealFields() const override { return Sealer::BlockHeader::SealFields; } |
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bytes sealRLP() const override { RLPStream s(sealFields()); s.appendRaw(typename Sealer::BlockHeader().sealFieldsRLP(), sealFields()); return s.out(); } |
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}; |
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} |
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} |
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