validationinterface.h

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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2016 The Bitcoin Core developers
// Copyright (c) 2017-2019 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 RAVEN_VALIDATIONINTERFACE_H
#define RAVEN_VALIDATIONINTERFACE_H

#include <memory>

#include "primitives/transaction.h" // CTransaction(Ref)

class CBlock;
class CBlockIndex;
struct CBlockLocator;
class CBlockIndex;
class CConnman;
class CReserveScript;
class CValidationInterface;
class CValidationState;
class uint256;
class CScheduler;
class CMessage;

// These functions dispatch to one or all registered wallets

void RegisterValidationInterface(CValidationInterface* pwalletIn);
void UnregisterValidationInterface(CValidationInterface* pwalletIn);
void UnregisterAllValidationInterfaces();

class CValidationInterface {
protected:
    virtual void UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) {}
    virtual void TransactionAddedToMempool(const CTransactionRef &ptxn) {}
    virtual void BlockConnected(const std::shared_ptr<const CBlock> &block, const CBlockIndex *pindex, const std::vector<CTransactionRef> &txnConflicted) {}
    virtual void BlockDisconnected(const std::shared_ptr<const CBlock> &block) {}
    virtual void SetBestChain(const CBlockLocator &locator) {}
    virtual void Inventory(const uint256 &hash) {}
    virtual void ResendWalletTransactions(int64_t nBestBlockTime, CConnman* connman) {}
    virtual void BlockChecked(const CBlock&, const CValidationState&) {}
    virtual void NewPoWValidBlock(const CBlockIndex *pindex, const std::shared_ptr<const CBlock>& block) {};

    virtual void BlockFound(const uint256 &hash) {};
    virtual void NewAssetMessage(const CMessage &message) {};

//    virtual void GetScriptForMining(std::shared_ptr<CReserveScript>&) {};

    friend void ::RegisterValidationInterface(CValidationInterface*);
    friend void ::UnregisterValidationInterface(CValidationInterface*);
    friend void ::UnregisterAllValidationInterfaces();
};

struct MainSignalsInstance;

class CMainSignals {
private:
    std::unique_ptr<MainSignalsInstance> m_internals;

    friend void ::RegisterValidationInterface(CValidationInterface*);
    friend void ::UnregisterValidationInterface(CValidationInterface*);
    friend void ::UnregisterAllValidationInterfaces();

public:
    void RegisterBackgroundSignalScheduler(CScheduler& scheduler);
    void UnregisterBackgroundSignalScheduler();
    void FlushBackgroundCallbacks();

    void UpdatedBlockTip(const CBlockIndex *, const CBlockIndex *, bool fInitialDownload);
    void TransactionAddedToMempool(const CTransactionRef &);
    void BlockConnected(const std::shared_ptr<const CBlock> &, const CBlockIndex *pindex, const std::vector<CTransactionRef> &);
    void BlockDisconnected(const std::shared_ptr<const CBlock> &);
    void SetBestChain(const CBlockLocator &);
    void Inventory(const uint256 &);
    void Broadcast(int64_t nBestBlockTime, CConnman* connman);
    void BlockChecked(const CBlock&, const CValidationState&);
    void NewPoWValidBlock(const CBlockIndex *, const std::shared_ptr<const CBlock>&);
    void BlockFound(const uint256 &);
    void NewAssetMessage(const CMessage&);
//    void ScriptForMining(std::shared_ptr<CReserveScript>&);

};

CMainSignals& GetMainSignals();

#endif // RAVEN_VALIDATIONINTERFACE_H