Add keys (indexed fields aka topics) to the EventType (abi v2)

Author: m-kus

starknet_py/abi/v2/parser.py

@@ -234,6 +234,7 @@ def _parse_event(self, event: EventDict) -> EventType:
             types=self._parse_members(
                 cast(List[TypedParameterDict], members_), event["name"]
             ),
+            keys=self._parse_keys(cast(List[EventStructMemberDict], members_))
         )
 
     TypedParam = TypeVar(
@@ -250,6 +251,11 @@ def _parse_members(
             for name, param in members.items()
         )
 
+    def _parse_keys(
+         self, params: List[EventStructMemberDict]
+    ) -> List[str]:
+        return [param["name"] for param in params if param["kind"] == "key"]
+
     def _parse_interface(self, interface: InterfaceDict) -> Abi.Interface:
         return Abi.Interface(
             name=interface["name"],

starknet_py/abi/v2/schemas.py

@@ -1,8 +1,9 @@
-from marshmallow import Schema, fields
+from marshmallow import Schema, fields, validate
 from marshmallow_oneofschema.one_of_schema import OneOfSchema
 
 from starknet_py.abi.v2.shape import (
     CONSTRUCTOR_ENTRY,
+    KEY_KIND,
     DATA_KIND,
     ENUM_ENTRY,
     EVENT_ENTRY,
@@ -51,7 +52,7 @@ class L1HandlerAbiEntrySchema(FunctionBaseSchema):
 
 
 class EventStructMemberSchema(TypedParameterSchema):
-    kind = fields.Constant(DATA_KIND, data_key="kind", required=True)
+    kind = fields.String(validate=validate.OneOf([KEY_KIND, DATA_KIND]), data_key="kind", required=True)
 
 
 class EventStructAbiEntrySchema(Schema):

starknet_py/abi/v2/shape.py

@@ -11,6 +11,7 @@
 IMPL_ENTRY = "impl"
 INTERFACE_ENTRY = "interface"
 
+KEY_KIND = "key"
 DATA_KIND = "data"
 NESTED_KIND = "nested"
 
@@ -56,7 +57,7 @@ class EventBaseDict(TypedDict):
 
 
 class EventStructMemberDict(TypedParameterDict):
-    kind: Literal["data"]
+    kind: Union[Literal["key"], Literal["data"]]
 
 
 class EventStructDict(EventBaseDict):

starknet_py/cairo/data_types.py

@@ -121,3 +121,4 @@ class EventType(CairoType):
 
     name: str
     types: OrderedDict[str, CairoType]
+    keys: List[str]

starknet_py/tests/e2e/fixtures/abi_v2_structures.py

@@ -9,6 +9,7 @@
 pool_id_added_event: EventType = EventType(
     "PoolIdAdded",
     OrderedDict(pool_id=pool_id_struct),
+    []
 )
 
 abi_v2 = Abi(

starknet_py/tests/unit/abi/v2/parser_test.py

@@ -22,6 +22,7 @@
         "TestEnum",
         "TestOption",
         "TokenBridge",
+        "l1_l2"
     ],
 )
 def test_abi_parse(contract_name):