path: root/test/RPCSession.h

/*
    This file is part of solidity.

    solidity 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.

    solidity 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 solidity.  If not, see <http://www.gnu.org/licenses/>.
*/
/** @file RPCSession.h
 * @author Dimtiry Khokhlov <dimitry@ethdev.com>
 * @date 2016
 */

#if defined(_WIN32)
#include <windows.h>
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#endif

#include <json/value.h>

#include <boost/noncopyable.hpp>
#include <boost/test/unit_test.hpp>

#include <string>
#include <stdio.h>
#include <map>

#if defined(_WIN32)
class IPCSocket : public boost::noncopyable
{
public:
    explicit IPCSocket(std::string const& _path);
    std::string sendRequest(std::string const& _req);
    ~IPCSocket() { CloseHandle(m_socket); }

    std::string const& path() const { return m_path; }

private:
    std::string m_path;
    HANDLE m_socket;
    TCHAR m_readBuf[512000];
};
#else
class IPCSocket: public boost::noncopyable
{
public:
    explicit IPCSocket(std::string const& _path);
    std::string sendRequest(std::string const& _req);
    ~IPCSocket() { close(m_socket); }

    std::string const& path() const { return m_path; }

private:

    std::string m_path;
    int m_socket;
    /// Socket read timeout in milliseconds. Needs to be large because the key generation routine
    /// might take long.
    unsigned static constexpr m_readTimeOutMS = 300000;
    char m_readBuf[512000];
};
#endif

class RPCSession: public boost::noncopyable
{
public:
    struct TransactionData
    {
        std::string from;
        std::string to;
        std::string gas;
        std::string gasPrice;
        std::string value;
        std::string data;

        std::string toJson() const;
    };

    struct LogEntry {
        std::string address;
        std::vector<std::string> topics;
        std::string data;
    };

    struct TransactionReceipt
    {
        std::string gasUsed;
        std::string contractAddress;
        std::vector<LogEntry> logEntries;
        std::string blockNumber;
    };

    static RPCSession& instance(std::string const& _path);

    std::string eth_getCode(std::string const& _address, std::string const& _blockNumber);
    Json::Value eth_getBlockByNumber(std::string const& _blockNumber, bool _fullObjects);
    std::string eth_call(TransactionData const& _td, std::string const& _blockNumber);
    TransactionReceipt eth_getTransactionReceipt(std::string const& _transactionHash);
    std::string eth_sendTransaction(TransactionData const& _td);
    std::string eth_sendTransaction(std::string const& _transaction);
    std::string eth_getBalance(std::string const& _address, std::string const& _blockNumber);
    std::string eth_getStorageRoot(std::string const& _address, std::string const& _blockNumber);
    std::string personal_newAccount(std::string const& _password);
    void personal_unlockAccount(std::string const& _address, std::string const& _password, int _duration);
    void test_setChainParams(std::vector<std::string> const& _accounts);
    void test_setChainParams(std::string const& _config);
    void test_rewindToBlock(size_t _blockNr);
    void test_modifyTimestamp(size_t _timestamp);
    void test_mineBlocks(int _number);
    Json::Value rpcCall(std::string const& _methodName, std::vector<std::string> const& _args = std::vector<std::string>(), bool _canFail = false);

    std::string const& account(size_t _id) const { return m_accounts.at(_id); }
    std::string const& accountCreateIfNotExists(size_t _id);

private:
    explicit RPCSession(std::string const& _path);

    inline std::string quote(std::string const& _arg) { return "\"" + _arg + "\""; }
    /// Parse std::string replacing keywords to values
    void parseString(std::string& _string, std::map<std::string, std::string> const& _varMap);

    IPCSocket m_ipcSocket;
    size_t m_rpcSequence = 1;
    unsigned m_maxMiningTime = 6000000; // 600 seconds
    unsigned m_sleepTime = 10; // 10 milliseconds
    unsigned m_successfulMineRuns = 0;

    std::vector<std::string> m_accounts;
};