BasicAuthority.h

Go to the documentation of this file.

/*
        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 "SealEngine.h"

namespace dev
{
namespace eth
{

class BasicAuthority: public SealEngineBase
{
public:
        std::string name() const override { return "BasicAuthority"; }
        unsigned revision() const override { return 0; }
        unsigned sealFields() const override { return 1; }
        bytes sealRLP() const override { return rlp(Signature()); }

        void populateFromParent(BlockHeader&, BlockHeader const&) const override;
        StringHashMap jsInfo(BlockHeader const& _bi) const override;
        void verify(Strictness _s, BlockHeader const& _bi, BlockHeader const& _parent, bytesConstRef _block) const override;
        bool shouldSeal(Interface*) override;
        void generateSeal(BlockHeader const& _bi) override;

        static Signature sig(BlockHeader const& _bi) { return _bi.seal<Signature>(); }
        static BlockHeader& setSig(BlockHeader& _bi, Signature const& _sig) { _bi.setSeal(_sig); return _bi; }
        void setSecret(Secret const& _s) { m_secret = _s; }
        static void init();

private:
        bool onOptionChanging(std::string const& _name, bytes const& _value) override;

        Secret m_secret;
        AddressHash m_authorities;
};

}
}