1 files changed, 12 insertions, 11 deletions
diff --git a/src/validationinterface.h b/src/validationinterface.h
index cb0204a555..e96f2883fc 100644
--- a/src/validationinterface.h
+++ b/src/validationinterface.h
@@ -21,21 +21,22 @@ class CConnman;
 class CValidationInterface;
 class uint256;
 class CScheduler;
+enum class MemPoolRemovalReason;
 
-// These functions dispatch to one or all registered wallets
-
-/** Register a wallet to receive updates from core */
-void RegisterValidationInterface(CValidationInterface* pwalletIn);
-/** Unregister a wallet from core */
-void UnregisterValidationInterface(CValidationInterface* pwalletIn);
-/** Unregister all wallets from core */
+/** Register subscriber */
+void RegisterValidationInterface(CValidationInterface* callbacks);
+/** Unregister subscriber. DEPRECATED. This is not safe to use when the RPC server or main message handler thread is running. */
+void UnregisterValidationInterface(CValidationInterface* callbacks);
+/** Unregister all subscribers */
 void UnregisterAllValidationInterfaces();
 
 // Alternate registration functions that release a shared_ptr after the last
 // notification is sent. These are useful for race-free cleanup, since
 // unregistration is nonblocking and can return before the last notification is
 // processed.
+/** Register subscriber */
 void RegisterSharedValidationInterface(std::shared_ptr<CValidationInterface> callbacks);
+/** Unregister subscriber */
 void UnregisterSharedValidationInterface(std::shared_ptr<CValidationInterface> callbacks);
 
 /**
@@ -96,7 +97,7 @@ protected:
      *
      * Called on a background thread.
      */
-    virtual void TransactionAddedToMempool(const CTransactionRef &ptxn) {}
+    virtual void TransactionAddedToMempool(const CTransactionRef& tx) {}
     /**
      * Notifies listeners of a transaction leaving mempool.
      *
@@ -129,7 +130,7 @@ protected:
      *
      * Called on a background thread.
      */
-    virtual void TransactionRemovedFromMempool(const CTransactionRef &ptx) {}
+    virtual void TransactionRemovedFromMempool(const CTransactionRef& tx, MemPoolRemovalReason reason) {}
     /**
      * Notifies listeners of a block being connected.
      * Provides a vector of transactions evicted from the mempool as a result.
@@ -196,8 +197,8 @@ public:
 
 
     void UpdatedBlockTip(const CBlockIndex *, const CBlockIndex *, bool fInitialDownload);
-    void TransactionAddedToMempool(const CTransactionRef &);
-    void TransactionRemovedFromMempool(const CTransactionRef &);
+    void TransactionAddedToMempool(const CTransactionRef&);
+    void TransactionRemovedFromMempool(const CTransactionRef&, MemPoolRemovalReason);
     void BlockConnected(const std::shared_ptr<const CBlock> &, const CBlockIndex *pindex);
     void BlockDisconnected(const std::shared_ptr<const CBlock> &, const CBlockIndex* pindex);
     void ChainStateFlushed(const CBlockLocator &);