/*

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 BlockChainLoader.h

* @author Marek Kotewicz <marek@ethdev.com>

* @date 2015

*/

#pragma once

#include <string>

#include <json/json.h>

#include <libdevcore/TransientDirectory.h>

#include <libethereum/BlockChain.h>

#include <libethereum/State.h>

namespace dev

{

namespace test

{

/**

* @brief Should be used to load test blockchain from json file

* Loads the blockchain from json, creates temporary directory to store it, removes the directory on dealloc

*/

class BlockChainLoader

{

public:

BlockChainLoader(Json::Value const& _json);

eth::BlockChain const& bc() const { return *m_bc; }

eth::State const& state() const { return m_state; }

private:

TransientDirectory m_dir;

std::unique_ptr<eth::BlockChain> m_bc;

eth::State m_state;

};

}

}