messagedb.h

Go to the documentation of this file.

// Copyright (c) 2019 The Raven Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef RAVENCOIN_MESSAGEDB_H
#define RAVENCOIN_MESSAGEDB_H

#include <dbwrapper.h>

class CMessage;
class COutPoint;

class CMessageDB  : public CDBWrapper {

public:
    explicit CMessageDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);

    CMessageDB(const CMessageDB&) = delete;
    CMessageDB& operator=(const CMessageDB&) = delete;

    // Database of messages
    bool WriteMessage(const CMessage& message);
    bool ReadMessage(const COutPoint& out, CMessage& message);
    bool EraseMessage(const COutPoint& out);
    bool LoadMessages(std::set<CMessage>& setMessages);
    bool EraseAllMessages(int& count);

    // Write / Read Database flags
    bool WriteFlag(const std::string &name, bool fValue);
    bool ReadFlag(const std::string &name, bool &fValue);

    bool Flush();
};

class CMessageChannelDB  : public CDBWrapper {
public:
    explicit CMessageChannelDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);

    CMessageChannelDB(const CMessageChannelDB&) = delete;
    CMessageChannelDB& operator=(const CMessageChannelDB&) = delete;

    // My message channels
    bool WriteMyMessageChannel(const std::string& channelname);
    bool ReadMyMessageChannel(const std::string& channelname);
    bool EraseMyMessageChannel(const std::string& channelname);
    bool LoadMyMessageChannels(std::set<std::string>& setChannels);

    bool WriteUsedAddress(const std::string& address);
    bool ReadUsedAddress(const std::string& address);
    bool EraseUsedAddress(const std::string& address);

    // Write / Read Database flags
    bool WriteFlag(const std::string &name, bool fValue);
    bool ReadFlag(const std::string &name, bool &fValue);

    bool Flush();
};


#endif //RAVENCOIN_MESSAGEDB_H