62 lines
2.8 KiB
C++
62 lines
2.8 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2014 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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class CBlock;
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struct CBlockLocator;
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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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/** Push an updated transaction to all registered wallets */
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void SyncWithWallets(const CTransaction& tx, const CBlock* pblock = NULL);
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class CValidationInterface {
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protected:
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virtual void SyncTransaction(const CTransaction &tx, const CBlock *pblock) {};
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virtual void EraseFromWallet(const uint256 &hash) {};
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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) {};
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virtual void BlockChecked(const CBlock&, const CValidationState&) {};
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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 transaction data (transaction, and optionally the block it is found in. */
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boost::signals2::signal<void (const CTransaction &, const CBlock *)> SyncTransaction;
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/** Notifies listeners of an erased transaction (currently disabled, requires transaction replacement). */
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boost::signals2::signal<void (const uint256 &)> EraseTransaction;
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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)> Broadcast;
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/** Notifies listeners of a block validation result */
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boost::signals2::signal<void (const CBlock&, const CValidationState&)> BlockChecked;
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};
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CMainSignals& GetMainSignals();
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#endif // BITCOIN_VALIDATIONINTERFACE_H
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