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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.
Foobar 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file Client.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#pragma once
#include <thread>
#include <mutex>
#include "Common.h"
#include "BlockChain.h"
#include "TransactionQueue.h"
#include "State.h"
#include "Dagger.h"
#include "PeerNetwork.h"
namespace eth
{
struct MineProgress
{
uint requirement;
uint best;
uint current;
};
class Client
{
public:
Client(std::string const& _clientVersion, Address _us = Address(), std::string const& _dbPath = std::string());
~Client();
void transact(Secret _secret, Address _dest, u256 _amount, u256 _fee, u256s _data = u256s());
void lock();
void unlock();
State const& state() const { return m_s; }
BlockChain const& blockChain() const { return m_bc; }
TransactionQueue const& transactionQueue() const { return m_tq; }
std::vector<PeerInfo> peers() { return m_net ? m_net->peers() : std::vector<PeerInfo>(); }
unsigned peerCount() const { return m_net ? m_net->peerCount() : 0; }
void startNetwork(short _listenPort = 30303, std::string const& _seedHost = std::string(), short _port = 30303);
void connect(std::string const& _seedHost, short _port = 30303);
void stopNetwork();
void setAddress(Address _us) { m_s.setAddress(_us); }
void startMining();
void stopMining();
MineProgress miningProgress() const { return m_mineProgress; }
private:
void work();
std::string m_clientVersion; ///< Our end-application client's name/version.
BlockChain m_bc; ///< Maintains block database.
TransactionQueue m_tq; ///< Maintains list of incoming transactions not yet on the block chain.
Overlay m_stateDB; ///< Acts as the central point for the state database, so multiple States can share it.
State m_s; ///< The present state of the client.
PeerServer* m_net = nullptr; ///< Should run in background and send us events when blocks found and allow us to send blocks as required.
std::thread* m_work; ///< The work thread.
std::mutex m_lock;
enum { Active = 0, Deleting, Deleted } m_workState = Active;
bool m_doMine = false; ///< Are we supposed to be mining?
MineProgress m_mineProgress;
};
}