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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 FixedClient.h
* @author Marek Kotewicz <marek@ethdev.com>
* @date 2015
*/
#pragma once
#include <libethereum/ClientBase.h>
#include <libethereum/BlockChain.h>
#include <libethereum/State.h>
namespace dev
{
namespace test
{
/**
* @brief mvp implementation of ClientBase
* Doesn't support mining interface
*/
class FixedClient: public dev::eth::ClientBase
{
public:
FixedClient(eth::BlockChain const& _bc, eth::Block const& _block) : m_bc(_bc), m_block(_block) {}
virtual ~FixedClient() {}
// stub
virtual void flushTransactions() override {}
virtual eth::BlockChain& bc() override { BOOST_THROW_EXCEPTION(InterfaceNotSupported("FixedClient::bc()")); }
virtual eth::BlockChain const& bc() const override { return m_bc; }
using ClientBase::asOf;
virtual eth::Block asOf(h256 const& _h) const override;
virtual eth::Block preMine() const override { ReadGuard l(x_stateDB); return m_block; }
virtual eth::Block postMine() const override { ReadGuard l(x_stateDB); return m_block; }
virtual void setBeneficiary(Address _us) override { WriteGuard l(x_stateDB); m_block.setBeneficiary(_us); }
virtual void prepareForTransaction() override {}
private:
eth::BlockChain const& m_bc;
eth::Block m_block;
mutable SharedMutex x_stateDB; ///< Lock on the state DB, effectively a lock on m_postMine.
};
}
}