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#include <iostream>
#include <boost/array.hpp>
#include <boost/asio.hpp>
#include <boost/bind.hpp>
#include <json/json.h>
#include <libdevcore/Log.h>
#include <libdevcore/FixedHash.h>
#include <libethcore/Farm.h>
#include <libethcore/EthashAux.h>
#include "BuildInfo.h"
using namespace std;
using namespace boost::asio;
using boost::asio::ip::tcp;
using namespace dev;
using namespace dev::eth;
class EthStratumClient
{
public:
EthStratumClient(GenericFarm<EthashProofOfWork> * f, string const & host, string const & port, string const & user, string const & pass);
~EthStratumClient();
bool isRunning() { return m_running; }
h256 currentHeaderHash() { return m_current.headerHash; }
bool current() { return m_current; }
bool submit(EthashProofOfWork::Solution solution);
private:
void connect();
void disconnect();
void resolve_handler(const boost::system::error_code& ec, tcp::resolver::iterator i);
void connect_handler(const boost::system::error_code& ec, tcp::resolver::iterator i);
void handleResponse(const boost::system::error_code& ec);
void readResponse(const boost::system::error_code& ec, std::size_t bytes_transferred);
string m_host;
string m_port;
string m_user;
string m_pass;
bool m_authorized;
bool m_running;
bool m_precompute;
GenericFarm<EthashProofOfWork> * p_farm;
EthashProofOfWork::WorkPackage m_current;
string m_job;
EthashAux::FullType m_dag;
boost::asio::io_service m_io_service;
tcp::socket m_socket;
boost::asio::streambuf m_requestBuffer;
boost::asio::streambuf m_responseBuffer;
};