From 57908a739ca377d60ef224ce0f565d4412a414f4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jo=C3=A3o=20Barbosa?= Date: Wed, 27 Mar 2019 17:00:06 +0000 Subject: interfaces: Add Chain::requestMempoolTransactions --- src/interfaces/chain.cpp | 7 +++++++ src/interfaces/chain.h | 10 ++++++++++ 2 files changed, 17 insertions(+) (limited to 'src/interfaces') diff --git a/src/interfaces/chain.cpp b/src/interfaces/chain.cpp index 0c765f2092..e409ced601 100644 --- a/src/interfaces/chain.cpp +++ b/src/interfaces/chain.cpp @@ -367,6 +367,13 @@ public: { return MakeUnique(command); } + void requestMempoolTransactions(Notifications& notifications) override + { + LOCK2(::cs_main, ::mempool.cs); + for (const CTxMemPoolEntry& entry : ::mempool.mapTx) { + notifications.TransactionAddedToMempool(entry.GetSharedTx()); + } + } }; } // namespace diff --git a/src/interfaces/chain.h b/src/interfaces/chain.h index a9b05f27fc..d11a59241e 100644 --- a/src/interfaces/chain.h +++ b/src/interfaces/chain.h @@ -269,6 +269,16 @@ public: //! Register handler for RPC. Command is not copied, so reference //! needs to remain valid until Handler is disconnected. virtual std::unique_ptr handleRpc(const CRPCCommand& command) = 0; + + //! Synchronously send TransactionAddedToMempool notifications about all + //! current mempool transactions to the specified handler and return after + //! the last one is sent. These notifications aren't coordinated with async + //! notifications sent by handleNotifications, so out of date async + //! notifications from handleNotifications can arrive during and after + //! synchronous notifications from requestMempoolTransactions. Clients need + //! to be prepared to handle this by ignoring notifications about unknown + //! removed transactions and already added new transactions. + virtual void requestMempoolTransactions(Notifications& notifications) = 0; }; //! Interface to let node manage chain clients (wallets, or maybe tools for -- cgit v1.2.3