diff --git a/walletdb/bdb/db.go b/walletdb/bdb/db.go
index 956a190..bf34e7a 100644
--- a/walletdb/bdb/db.go
+++ b/walletdb/bdb/db.go
@@ -99,6 +99,14 @@ func (tx *transaction) Rollback() error {
 	return convertErr(tx.boltTx.Rollback())
 }
 
+// OnCommit takes a function closure that will be executed when the transaction
+// successfully gets committed.
+//
+// This function is part of the walletdb.ReadWriteTx interface implementation.
+func (tx *transaction) OnCommit(f func()) {
+	tx.boltTx.OnCommit(f)
+}
+
 // bucket is an internal type used to represent a collection of key/value pairs
 // and implements the walletdb Bucket interfaces.
 type bucket bbolt.Bucket
@@ -214,6 +222,15 @@ func (b *bucket) ReadWriteCursor() walletdb.ReadWriteCursor {
 	return (*cursor)((*bbolt.Bucket)(b).Cursor())
 }
 
+// Tx returns the bucket's transaction.
+//
+// This function is part of the walletdb.ReadWriteBucket interface implementation.
+func (b *bucket) Tx() walletdb.ReadWriteTx {
+	return &transaction{
+		(*bbolt.Bucket)(b).Tx(),
+	}
+}
+
 // cursor represents a cursor over key/value pairs and nested buckets of a
 // bucket.
 //
diff --git a/walletdb/interface.go b/walletdb/interface.go
index 754e08b..f89fa91 100644
--- a/walletdb/interface.go
+++ b/walletdb/interface.go
@@ -42,6 +42,10 @@ type ReadWriteTx interface {
 	// Commit commits all changes that have been on the transaction's root
 	// buckets and all of their sub-buckets to persistent storage.
 	Commit() error
+
+	// OnCommit takes a function closure that will be executed when the
+	// transaction successfully gets committed.
+	OnCommit(func())
 }
 
 // ReadBucket represents a bucket (a hierarchical structure within the database)
@@ -119,6 +123,9 @@ type ReadWriteBucket interface {
 	// Cursor returns a new cursor, allowing for iteration over the bucket's
 	// key/value pairs and nested buckets in forward or backward order.
 	ReadWriteCursor() ReadWriteCursor
+
+	// Tx returns the bucket's transaction.
+	Tx() ReadWriteTx
 }
 
 // ReadCursor represents a bucket cursor that can be positioned at the start or