Fix processing operations with default entrypoint and empty parameter (#193)

Author: droserasprout

CHANGELOG.md

@@ -7,6 +7,7 @@ Please use [this](https://docs.gitlab.com/ee/development/changelog.html) documen
 ## Fixed
 
 * index: Fixed processing reindexing reason saved in the database.
+* tzkt: Fixed processing operations with default entrypoint and empty parameter.
 
 ## 4.0.0 - 2021-12-24
 

poetry.lock

@@ -684,9 +684,13 @@ def convert_operation(cls, operation_json: Dict[str, Any], type_: Optional[str]
         originated_contract_json = operation_json.get('originatedContract') or {}
 
         entrypoint, parameter = parameter_json.get('entrypoint'), parameter_json.get('value')
-        # NOTE: TzKT returns None for `default` entrypoint
-        if entrypoint is None and parameter_json:
-            entrypoint = 'default'
+        if target_json.get('address', '').startswith('KT1'):
+            # NOTE: TzKT returns None for `default` entrypoint
+            if entrypoint is None:
+                entrypoint = 'default'
+            # NOTE: Empty parameter in this case means `{"prim": "Unit"}`
+            if parameter is None:
+                parameter = {}
 
         return OperationData(
             type=type_ or operation_json['type'],