Introduce is_confirmed extended api call

docs/extended_api.rst

@@ -67,6 +67,11 @@ tasks such as sending and receiving transfers.
 .. automethod:: Iota.get_transfers
 .. automethod:: AsyncIota.get_transfers
 
+``is_confirmed``
+-----------------
+.. automethod:: Iota.is_confirmed
+.. automethod:: AsyncIota.is_confirmed
+
 ``is_promotable``
 -----------------
 .. automethod:: Iota.is_promotable

iota/api.py

@@ -407,6 +407,9 @@ def get_inclusion_states(
                 )
         )
 
+    # Add an alias for this call, more descriptive
+    is_confirmed = get_inclusion_states
+
     def get_missing_transactions(self) -> dict:
         """
         Returns all transaction hashes that a node is currently requesting

iota/api_async.py

@@ -399,6 +399,9 @@ async def get_inclusion_states(
                 transactions=transactions,
         )
 
+    # Add an alias, more descriptive
+    is_confirmed = get_inclusion_states
+
     async def get_missing_transactions(self) -> dict:
         """
         Returns all transaction hashes that a node is currently requesting