diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/init.cpp | 2 | ||||
| -rw-r--r-- | src/txmempool.h | 3 | ||||
| -rw-r--r-- | src/validationinterface.cpp | 19 | ||||
| -rw-r--r-- | src/validationinterface.h | 18 |
4 files changed, 42 insertions, 0 deletions
diff --git a/src/init.cpp b/src/init.cpp index f63ad7f5d3..499edb374c 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -265,6 +265,7 @@ void Shutdown() #endif UnregisterAllValidationInterfaces(); GetMainSignals().UnregisterBackgroundSignalScheduler(); + GetMainSignals().UnregisterWithMempoolSignals(mempool); #ifdef ENABLE_WALLET CloseWallets(); #endif @@ -1240,6 +1241,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) threadGroup.create_thread(boost::bind(&TraceThread<CScheduler::Function>, "scheduler", serviceLoop)); GetMainSignals().RegisterBackgroundSignalScheduler(scheduler); + GetMainSignals().RegisterWithMempoolSignals(mempool); /* Start the RPC server already. It will be started in "warmup" mode * and not really process calls already (but it will signify connections diff --git a/src/txmempool.h b/src/txmempool.h index 929d223588..a4d6f6a310 100644 --- a/src/txmempool.h +++ b/src/txmempool.h @@ -513,6 +513,9 @@ public: // to track size/count of descendant transactions. First version of // addUnchecked can be used to have it call CalculateMemPoolAncestors(), and // then invoke the second version. + // Note that addUnchecked is ONLY called from ATMP outside of tests + // and any other callers may break wallet's in-mempool tracking (due to + // lack of CValidationInterface::TransactionAddedToMempool callbacks). bool addUnchecked(const uint256& hash, const CTxMemPoolEntry &entry, bool validFeeEstimate = true); bool addUnchecked(const uint256& hash, const CTxMemPoolEntry &entry, setEntries &setAncestors, bool validFeeEstimate = true); diff --git a/src/validationinterface.cpp b/src/validationinterface.cpp index 281bc04b0a..24f2b96c78 100644 --- a/src/validationinterface.cpp +++ b/src/validationinterface.cpp @@ -9,6 +9,7 @@ #include "primitives/block.h" #include "scheduler.h" #include "sync.h" +#include "txmempool.h" #include "util.h" #include <list> @@ -21,6 +22,7 @@ struct MainSignalsInstance { boost::signals2::signal<void (const CTransactionRef &)> TransactionAddedToMempool; boost::signals2::signal<void (const std::shared_ptr<const CBlock> &, const CBlockIndex *pindex, const std::vector<CTransactionRef>&)> BlockConnected; boost::signals2::signal<void (const std::shared_ptr<const CBlock> &)> BlockDisconnected; + boost::signals2::signal<void (const CTransactionRef &)> TransactionRemovedFromMempool; boost::signals2::signal<void (const CBlockLocator &)> SetBestChain; boost::signals2::signal<void (const uint256 &)> Inventory; boost::signals2::signal<void (int64_t nBestBlockTime, CConnman* connman)> Broadcast; @@ -50,6 +52,14 @@ void CMainSignals::FlushBackgroundCallbacks() { m_internals->m_schedulerClient.EmptyQueue(); } +void CMainSignals::RegisterWithMempoolSignals(CTxMemPool& pool) { + pool.NotifyEntryRemoved.connect(boost::bind(&CMainSignals::MempoolEntryRemoved, this, _1, _2)); +} + +void CMainSignals::UnregisterWithMempoolSignals(CTxMemPool& pool) { + pool.NotifyEntryRemoved.disconnect(boost::bind(&CMainSignals::MempoolEntryRemoved, this, _1, _2)); +} + CMainSignals& GetMainSignals() { return g_signals; @@ -60,6 +70,7 @@ void RegisterValidationInterface(CValidationInterface* pwalletIn) { g_signals.m_internals->TransactionAddedToMempool.connect(boost::bind(&CValidationInterface::TransactionAddedToMempool, pwalletIn, _1)); g_signals.m_internals->BlockConnected.connect(boost::bind(&CValidationInterface::BlockConnected, pwalletIn, _1, _2, _3)); g_signals.m_internals->BlockDisconnected.connect(boost::bind(&CValidationInterface::BlockDisconnected, pwalletIn, _1)); + g_signals.m_internals->TransactionRemovedFromMempool.connect(boost::bind(&CValidationInterface::TransactionRemovedFromMempool, pwalletIn, _1)); g_signals.m_internals->SetBestChain.connect(boost::bind(&CValidationInterface::SetBestChain, pwalletIn, _1)); g_signals.m_internals->Inventory.connect(boost::bind(&CValidationInterface::Inventory, pwalletIn, _1)); g_signals.m_internals->Broadcast.connect(boost::bind(&CValidationInterface::ResendWalletTransactions, pwalletIn, _1, _2)); @@ -75,6 +86,7 @@ void UnregisterValidationInterface(CValidationInterface* pwalletIn) { g_signals.m_internals->TransactionAddedToMempool.disconnect(boost::bind(&CValidationInterface::TransactionAddedToMempool, pwalletIn, _1)); g_signals.m_internals->BlockConnected.disconnect(boost::bind(&CValidationInterface::BlockConnected, pwalletIn, _1, _2, _3)); g_signals.m_internals->BlockDisconnected.disconnect(boost::bind(&CValidationInterface::BlockDisconnected, pwalletIn, _1)); + g_signals.m_internals->TransactionRemovedFromMempool.disconnect(boost::bind(&CValidationInterface::TransactionRemovedFromMempool, pwalletIn, _1)); g_signals.m_internals->UpdatedBlockTip.disconnect(boost::bind(&CValidationInterface::UpdatedBlockTip, pwalletIn, _1, _2, _3)); g_signals.m_internals->NewPoWValidBlock.disconnect(boost::bind(&CValidationInterface::NewPoWValidBlock, pwalletIn, _1, _2)); } @@ -87,10 +99,17 @@ void UnregisterAllValidationInterfaces() { g_signals.m_internals->TransactionAddedToMempool.disconnect_all_slots(); g_signals.m_internals->BlockConnected.disconnect_all_slots(); g_signals.m_internals->BlockDisconnected.disconnect_all_slots(); + g_signals.m_internals->TransactionRemovedFromMempool.disconnect_all_slots(); g_signals.m_internals->UpdatedBlockTip.disconnect_all_slots(); g_signals.m_internals->NewPoWValidBlock.disconnect_all_slots(); } +void CMainSignals::MempoolEntryRemoved(CTransactionRef ptx, MemPoolRemovalReason reason) { + if (reason != MemPoolRemovalReason::BLOCK && reason != MemPoolRemovalReason::CONFLICT) { + m_internals->TransactionRemovedFromMempool(ptx); + } +} + void CMainSignals::UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) { m_internals->UpdatedBlockTip(pindexNew, pindexFork, fInitialDownload); } diff --git a/src/validationinterface.h b/src/validationinterface.h index d6da2bc1fd..915c17695e 100644 --- a/src/validationinterface.h +++ b/src/validationinterface.h @@ -20,6 +20,8 @@ class CValidationInterface; class CValidationState; class uint256; class CScheduler; +class CTxMemPool; +enum class MemPoolRemovalReason; // These functions dispatch to one or all registered wallets @@ -37,6 +39,15 @@ protected: /** Notifies listeners of a transaction having been added to mempool. */ virtual void TransactionAddedToMempool(const CTransactionRef &ptxn) {} /** + * Notifies listeners of a transaction leaving mempool. + * + * This only fires for transactions which leave mempool because of expiry, + * size limiting, reorg (changes in lock times/coinbase maturity), or + * replacement. This does not include any transactions which are included + * in BlockConnectedDisconnected either in block->vtx or in txnConflicted. + */ + virtual void TransactionRemovedFromMempool(const CTransactionRef &ptx) {} + /** * Notifies listeners of a block being connected. * Provides a vector of transactions evicted from the mempool as a result. */ @@ -74,6 +85,8 @@ private: friend void ::UnregisterValidationInterface(CValidationInterface*); friend void ::UnregisterAllValidationInterfaces(); + void MempoolEntryRemoved(CTransactionRef tx, MemPoolRemovalReason reason); + public: /** Register a CScheduler to give callbacks which should run in the background (may only be called once) */ void RegisterBackgroundSignalScheduler(CScheduler& scheduler); @@ -82,6 +95,11 @@ public: /** Call any remaining callbacks on the calling thread */ void FlushBackgroundCallbacks(); + /** Register with mempool to call TransactionRemovedFromMempool callbacks */ + void RegisterWithMempoolSignals(CTxMemPool& pool); + /** Unregister with mempool */ + void UnregisterWithMempoolSignals(CTxMemPool& pool); + 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> &); |