EthashProofOfWork.h

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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/>.
*/
#pragma once

#include <libethcore/BlockHeader.h>

namespace dev
{
namespace eth
{

struct EthashProofOfWork
{
        struct Solution
        {
                Nonce nonce;
                h256 mixHash;
        };

        struct Result
        {
                h256 value;
                h256 mixHash;
        };

        struct WorkPackage
        {
                WorkPackage() = default;
                WorkPackage(BlockHeader const& _bh);
                void reset() { headerHash = h256(); }
                operator bool() const { return headerHash != h256(); }

                h256 boundary;
                h256 headerHash;        
                h256 seedHash;
        };

        static const WorkPackage NullWorkPackage;

        static const unsigned defaultLocalWorkSize;
        static const unsigned defaultGlobalWorkSizeMultiplier;
        static const unsigned defaultMSPerBatch;
};

}
}