1 files changed, 14 insertions, 0 deletions
diff --git a/src/wallet/walletdb.h b/src/wallet/walletdb.h
index bffcc87202..32c3c29b5e 100644
--- a/src/wallet/walletdb.h
+++ b/src/wallet/walletdb.h
@@ -180,6 +180,11 @@ public:
     }
 };
 
+struct DbTxnListener
+{
+    std::function<void()> on_commit, on_abort;
+};
+
 /** Access to the wallet database.
  * Opens the database and provides read and write access to it. Each read and write is its own transaction.
  * Multiple operation transactions can be started using TxnBegin() and committed using TxnCommit()
@@ -292,9 +297,18 @@ public:
     bool TxnCommit();
     //! Abort current transaction
     bool TxnAbort();
+    bool HasActiveTxn() { return m_batch->HasActiveTxn(); }
+
+    //! Registers db txn callback functions
+    void RegisterTxnListener(const DbTxnListener& l);
+
 private:
     std::unique_ptr<DatabaseBatch> m_batch;
     WalletDatabase& m_database;
+
+    // External functions listening to the current db txn outcome.
+    // Listeners are cleared at the end of the transaction.
+    std::vector<DbTxnListener> m_txn_listeners;
 };
 
 /**