fix: pydantic 2 settings, fix type errors

setup.py

@@ -68,6 +68,8 @@
     include_package_data=True,
     install_requires=[
         "eth-ape>=0.6.19,<1.0",
+        "pydantic>=2,<3",
+        "pydantic-settings>=2,<3",
         "taskiq[metrics]>=0.10.2,<0.11.0",
         "click",  # Use same version as eth-ape
     ],

silverback/application.py

@@ -2,6 +2,7 @@
 import atexit
 from datetime import timedelta
 from typing import Callable, Dict, Optional, Union
+from typing_extensions import ParamSpec, TypeVar
 
 from ape.api.networks import LOCAL_NETWORK_NAME
 from ape.contracts import ContractEvent, ContractInstance
@@ -14,6 +15,9 @@
 from .exceptions import DuplicateHandlerError, InvalidContainerTypeError
 from .settings import Settings
 
+_FuncParams = ParamSpec("_FuncParams")
+_ReturnType = TypeVar("_ReturnType")
+
 
 class SilverbackApp(ManagerAccessMixin):
     """
@@ -137,7 +141,10 @@ def on_(
         container: Union[BlockContainer, ContractEvent],
         new_block_timeout: Optional[int] = None,
         start_block: Optional[int] = None,
-    ) -> AsyncTaskiqDecoratedTask:
+    ) -> Callable[
+        [Callable[_FuncParams, _ReturnType]],
+        AsyncTaskiqDecoratedTask[_FuncParams, _ReturnType],
+    ]:
         """
         Create task to handle events created by `container`.
 

silverback/settings.py

@@ -2,7 +2,9 @@
 
 from ape.api import AccountAPI, ProviderContextManager
 from ape.utils import ManagerAccessMixin
-from pydantic import BaseSettings
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+# from ape._pydantic_compat import BaseSettings
 from taskiq import AsyncBroker, InMemoryBroker, PrometheusMiddleware, TaskiqMiddleware
 
 from ._importer import import_from_string
@@ -31,9 +33,7 @@ class Settings(BaseSettings, ManagerAccessMixin):
     NEW_BLOCK_TIMEOUT: Optional[int] = None
     START_BLOCK: Optional[int] = None
 
-    class Config:
-        env_prefix = "SILVERBACK_"
-        case_sensitive = True
+    model_config = SettingsConfigDict(env_prefix="SILVERBACK_", case_sensitive=True)
 
     def get_broker(self) -> AsyncBroker:
         broker_class = import_from_string(self.BROKER_CLASS)