lbrycrd/src/validationinterface.h

72 lines
3.4 KiB
C++

// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2015 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_VALIDATIONINTERFACE_H
#define BITCOIN_VALIDATIONINTERFACE_H
#include <boost/signals2/signal.hpp>
#include <boost/shared_ptr.hpp>
class CBlock;
class CBlockIndex;
struct CBlockLocator;
class CBlockIndex;
class CReserveScript;
class CTransaction;
class CValidationInterface;
class CValidationState;
class uint256;
// These functions dispatch to one or all registered wallets
/** Register a wallet to receive updates from core */
void RegisterValidationInterface(CValidationInterface* pwalletIn);
/** Unregister a wallet from core */
void UnregisterValidationInterface(CValidationInterface* pwalletIn);
/** Unregister all wallets from core */
void UnregisterAllValidationInterfaces();
/** Push an updated transaction to all registered wallets */
void SyncWithWallets(const CTransaction& tx, const CBlockIndex *pindex, int posInBlock = -1);
class CValidationInterface {
protected:
virtual void UpdatedBlockTip(const CBlockIndex *pindex) {}
virtual void SyncTransaction(const CTransaction &tx, const CBlockIndex *pindex, int posInBlock) {}
virtual void SetBestChain(const CBlockLocator &locator) {}
virtual void UpdatedTransaction(const uint256 &hash) {}
virtual void Inventory(const uint256 &hash) {}
virtual void ResendWalletTransactions(int64_t nBestBlockTime) {}
virtual void BlockChecked(const CBlock&, const CValidationState&) {}
virtual void GetScriptForMining(boost::shared_ptr<CReserveScript>&) {};
virtual void ResetRequestCount(const uint256 &hash) {};
friend void ::RegisterValidationInterface(CValidationInterface*);
friend void ::UnregisterValidationInterface(CValidationInterface*);
friend void ::UnregisterAllValidationInterfaces();
};
struct CMainSignals {
/** Notifies listeners of updated block chain tip */
boost::signals2::signal<void (const CBlockIndex *)> UpdatedBlockTip;
/** Notifies listeners of updated transaction data (transaction, and optionally the block it is found in. */
boost::signals2::signal<void (const CTransaction &, const CBlockIndex *pindex, int posInBlock)> SyncTransaction;
/** Notifies listeners of an updated transaction without new data (for now: a coinbase potentially becoming visible). */
boost::signals2::signal<void (const uint256 &)> UpdatedTransaction;
/** Notifies listeners of a new active block chain. */
boost::signals2::signal<void (const CBlockLocator &)> SetBestChain;
/** Notifies listeners about an inventory item being seen on the network. */
boost::signals2::signal<void (const uint256 &)> Inventory;
/** Tells listeners to broadcast their data. */
boost::signals2::signal<void (int64_t nBestBlockTime)> Broadcast;
/** Notifies listeners of a block validation result */
boost::signals2::signal<void (const CBlock&, const CValidationState&)> BlockChecked;
/** Notifies listeners that a key for mining is required (coinbase) */
boost::signals2::signal<void (boost::shared_ptr<CReserveScript>&)> ScriptForMining;
/** Notifies listeners that a block has been successfully mined */
boost::signals2::signal<void (const uint256 &)> BlockFound;
};
CMainSignals& GetMainSignals();
#endif // BITCOIN_VALIDATIONINTERFACE_H