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/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file EthashSealEngine.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*
* Determines the PoW algorithm.
*/
#pragma once
#include "Sealer.h"
#include "Ethash.h"
#include "EthashAux.h"
namespace dev
{
namespace eth
{
class EthashSealEngine: public SealEngineBase<Ethash>
{
friend class Ethash;
public:
EthashSealEngine();
strings sealers() const override;
void setSealer(std::string const& _sealer) override { m_sealer = _sealer; }
void cancelGeneration() override { m_farm.stop(); }
void generateSeal(BlockInfo const& _bi) override;
void onSealGenerated(std::function<void(bytes const&)> const& _f) override;
private:
bool m_opencl = false;
eth::GenericFarm<EthashProofOfWork> m_farm;
std::string m_sealer = "cpu";
Ethash::BlockHeader m_sealing;
};
}
}