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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 Ethash.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*
* A proof of work algorithm.
*/
#pragma once
#include <chrono>
#include <thread>
#include <cstdint>
#include "Common.h"
#include "Miner.h"
#include "Farm.h"
class ethash_cl_miner;
class ethash_cuda_miner;
namespace dev
{
class RLP;
class RLPStream;
namespace eth
{
class BlockInfo;
class EthashCLHook;
class EthashCUDAHook;
class Ethash
{
public:
using Nonce = h64;
class BlockHeaderRaw: public BlockInfo
{
friend class EthashSealEngine;
public:
h256 const& seedHash() const;
Nonce const& nonce() const { return m_nonce; }
h256 const& mixHash() const { return m_mixHash; }
protected:
BlockHeaderRaw() = default;
BlockHeaderRaw(BlockInfo const& _bi): BlockInfo(_bi) {}
void clear() { m_mixHash = h256(); m_nonce = Nonce(); }
private:
Nonce m_nonce;
h256 m_mixHash;
mutable h256 m_seedHash;
};
using BlockHeader = BlockHeaderPolished<BlockHeaderRaw>;
};
}
}