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91 lines
4.5 KiB
91 lines
4.5 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto |
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// Copyright (c) 2009-2016 The Bitcoin Core developers |
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// Distributed under the MIT software license, see the accompanying |
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// file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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#ifndef BITCOIN_VALIDATIONINTERFACE_H |
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#define BITCOIN_VALIDATIONINTERFACE_H |
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#include <boost/signals2/signal.hpp> |
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#include <boost/shared_ptr.hpp> |
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#include <memory> |
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class CBlock; |
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class CBlockIndex; |
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struct CBlockLocator; |
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class CBlockIndex; |
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class CConnman; |
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class CReserveScript; |
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class CTransaction; |
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class CValidationInterface; |
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class CValidationState; |
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class uint256; |
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// These functions dispatch to one or all registered wallets |
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/** Register a wallet to receive updates from core */ |
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void RegisterValidationInterface(CValidationInterface* pwalletIn); |
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/** Unregister a wallet from core */ |
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void UnregisterValidationInterface(CValidationInterface* pwalletIn); |
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/** Unregister all wallets from core */ |
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void UnregisterAllValidationInterfaces(); |
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class CValidationInterface { |
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protected: |
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virtual void UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) {} |
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virtual void SyncTransaction(const CTransaction &tx, const CBlockIndex *pindex, int posInBlock) {} |
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virtual void SetBestChain(const CBlockLocator &locator) {} |
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virtual void UpdatedTransaction(const uint256 &hash) {} |
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virtual void Inventory(const uint256 &hash) {} |
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virtual void ResendWalletTransactions(int64_t nBestBlockTime, CConnman* connman) {} |
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virtual void BlockChecked(const CBlock&, const CValidationState&) {} |
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virtual void GetScriptForMining(boost::shared_ptr<CReserveScript>&) {}; |
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virtual void ResetRequestCount(const uint256 &hash) {}; |
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virtual void NewPoWValidBlock(const CBlockIndex *pindex, const std::shared_ptr<const CBlock>& block) {}; |
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friend void ::RegisterValidationInterface(CValidationInterface*); |
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friend void ::UnregisterValidationInterface(CValidationInterface*); |
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friend void ::UnregisterAllValidationInterfaces(); |
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}; |
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struct CMainSignals { |
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/** Notifies listeners of updated block chain tip */ |
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boost::signals2::signal<void (const CBlockIndex *, const CBlockIndex *, bool fInitialDownload)> UpdatedBlockTip; |
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/** A posInBlock value for SyncTransaction calls for transactions not |
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* included in connected blocks such as transactions removed from mempool, |
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* accepted to mempool or appearing in disconnected blocks.*/ |
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static const int SYNC_TRANSACTION_NOT_IN_BLOCK = -1; |
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/** Notifies listeners of updated transaction data (transaction, and |
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* optionally the block it is found in). Called with block data when |
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* transaction is included in a connected block, and without block data when |
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* transaction was accepted to mempool, removed from mempool (only when |
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* removal was due to conflict from connected block), or appeared in a |
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* disconnected block.*/ |
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boost::signals2::signal<void (const CTransaction &, const CBlockIndex *pindex, int posInBlock)> SyncTransaction; |
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/** Notifies listeners of an updated transaction without new data (for now: a coinbase potentially becoming visible). */ |
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boost::signals2::signal<void (const uint256 &)> UpdatedTransaction; |
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/** Notifies listeners of a new active block chain. */ |
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boost::signals2::signal<void (const CBlockLocator &)> SetBestChain; |
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/** Notifies listeners about an inventory item being seen on the network. */ |
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boost::signals2::signal<void (const uint256 &)> Inventory; |
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/** Tells listeners to broadcast their data. */ |
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boost::signals2::signal<void (int64_t nBestBlockTime, CConnman* connman)> Broadcast; |
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/** |
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* Notifies listeners of a block validation result. |
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* If the provided CValidationState IsValid, the provided block |
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* is guaranteed to be the current best block at the time the |
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* callback was generated (not necessarily now) |
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*/ |
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boost::signals2::signal<void (const CBlock&, const CValidationState&)> BlockChecked; |
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/** Notifies listeners that a key for mining is required (coinbase) */ |
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boost::signals2::signal<void (boost::shared_ptr<CReserveScript>&)> ScriptForMining; |
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/** Notifies listeners that a block has been successfully mined */ |
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boost::signals2::signal<void (const uint256 &)> BlockFound; |
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/** |
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* Notifies listeners that a block which builds directly on our current tip |
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* has been received and connected to the headers tree, though not validated yet */ |
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boost::signals2::signal<void (const CBlockIndex *, const std::shared_ptr<const CBlock>&)> NewPoWValidBlock; |
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}; |
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CMainSignals& GetMainSignals(); |
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#endif // BITCOIN_VALIDATIONINTERFACE_H
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