Differential D2266 Diff 6546 src/validationinterface.h

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src/validationinterface.h

	// Copyright (c) 2009-2010 Satoshi Nakamoto			// Copyright (c) 2009-2010 Satoshi Nakamoto
	// Copyright (c) 2009-2016 The Bitcoin Core developers			// Copyright (c) 2009-2016 The Bitcoin Core developers
	// Distributed under the MIT software license, see the accompanying			// Distributed under the MIT software license, see the accompanying
	// file COPYING or http://www.opensource.org/licenses/mit-license.php.			// file COPYING or http://www.opensource.org/licenses/mit-license.php.

	#ifndef BITCOIN_VALIDATIONINTERFACE_H			#ifndef BITCOIN_VALIDATIONINTERFACE_H
	#define BITCOIN_VALIDATIONINTERFACE_H			#define BITCOIN_VALIDATIONINTERFACE_H

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

				#include <functional>
	#include <memory>			#include <memory>

	class CBlock;			class CBlock;
	class CBlockIndex;			class CBlockIndex;
	struct CBlockLocator;			struct CBlockLocator;
	class CBlockIndex;			class CBlockIndex;
	class CConnman;			class CConnman;
	class CReserveScript;			class CReserveScript;
	class CValidationInterface;			class CValidationInterface;
	class CValidationState;			class CValidationState;
	class uint256;			class uint256;
	class CScheduler;			class CScheduler;
	class CTxMemPool;			class CTxMemPool;
	enum class MemPoolRemovalReason;			enum class MemPoolRemovalReason;

	// These functions dispatch to one or all registered wallets			// These functions dispatch to one or all registered wallets

	/** Register a wallet to receive updates from core */			/** Register a wallet to receive updates from core */
	void RegisterValidationInterface(CValidationInterface *pwalletIn);			void RegisterValidationInterface(CValidationInterface *pwalletIn);
	/** Unregister a wallet from core */			/** Unregister a wallet from core */
	void UnregisterValidationInterface(CValidationInterface *pwalletIn);			void UnregisterValidationInterface(CValidationInterface *pwalletIn);
	/** Unregister all wallets from core */			/** Unregister all wallets from core */
	void UnregisterAllValidationInterfaces();			void UnregisterAllValidationInterfaces();
				/**
				* Pushes a function to callback onto the notification queue, guaranteeing any
				* callbacks generated prior to now are finished when the function is called.
				*
				* Be very careful blocking on func to be called if any locks are held -
				* validation interface clients may not be able to make progress as they often
				* wait for things like cs_main, so blocking until func is called with cs_main
				* will result in a deadlock (that DEBUG_LOCKORDER will miss).
				*/
				void CallFunctionInValidationInterfaceQueue(std::function<void()> func);

	class CValidationInterface {			class CValidationInterface {
	protected:			protected:
	/**			/**
	* Protected destructor so that instances can only be deleted by derived			* Protected destructor so that instances can only be deleted by derived
	* classes. If that restriction is no longer desired, this should be made			* classes. If that restriction is no longer desired, this should be made
	* public and virtual.			* public and virtual.
	*/			*/
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	struct MainSignalsInstance;			struct MainSignalsInstance;
	class CMainSignals {			class CMainSignals {
	private:			private:
	std::unique_ptr<MainSignalsInstance> m_internals;			std::unique_ptr<MainSignalsInstance> m_internals;

	friend void ::RegisterValidationInterface(CValidationInterface *);			friend void ::RegisterValidationInterface(CValidationInterface *);
	friend void ::UnregisterValidationInterface(CValidationInterface *);			friend void ::UnregisterValidationInterface(CValidationInterface *);
	friend void ::UnregisterAllValidationInterfaces();			friend void ::UnregisterAllValidationInterfaces();
				friend void ::CallFunctionInValidationInterfaceQueue(
				std::function<void()> func);

	void MempoolEntryRemoved(CTransactionRef tx, MemPoolRemovalReason reason);			void MempoolEntryRemoved(CTransactionRef tx, MemPoolRemovalReason reason);

	public:			public:
	/**			/**
	* Register a CScheduler to give callbacks which should run in the			* Register a CScheduler to give callbacks which should run in the
	* background (may only be called once)			* background (may only be called once)
	*/			*/
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