1 // Copyright (c) 2015-2018 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #ifndef BITCOIN_ZMQ_ZMQNOTIFICATIONINTERFACE_H
6 #define BITCOIN_ZMQ_ZMQNOTIFICATIONINTERFACE_H
7 
8 #include <validationinterface.h>
9 #include <string>
10 #include <map>
11 #include <list>
12 
13 class CBlockIndex;
14 class CZMQAbstractNotifier;
15 
16 class CZMQNotificationInterface final : public CValidationInterface
17 {
18 public:
19     virtual ~CZMQNotificationInterface();
20 
21     std::list<const CZMQAbstractNotifier*> GetActiveNotifiers() const;
22 
23     static CZMQNotificationInterface* Create();
24 
25 protected:
26     bool Initialize();
27     void Shutdown();
28 
29     // CValidationInterface
30     void TransactionAddedToMempool(const CTransactionRef& tx) override;
31     void BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindexConnected, const std::vector<CTransactionRef>& vtxConflicted) override;
32     void BlockDisconnected(const std::shared_ptr<const CBlock>& pblock) override;
33     void UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) override;
34 
35 private:
36     CZMQNotificationInterface();
37 
38     void *pcontext;
39     std::list<CZMQAbstractNotifier*> notifiers;
40 };
41 
42 extern CZMQNotificationInterface* g_zmq_notification_interface;
43 
44 #endif // BITCOIN_ZMQ_ZMQNOTIFICATIONINTERFACE_H
45