Make protocol runtime checkable, ruff

Author: thewhaleking

async_substrate_interface/async_substrate.py

@@ -2967,6 +2967,9 @@ async def get_payment_info(
         if not isinstance(call, GenericCall):
             raise TypeError("'call' must be of type Call")
 
+        if not isinstance(keypair, Keypair):
+            raise TypeError("'keypair' must be of type Keypair")
+
         # No valid signature is required for fee estimation
         signature = "0x" + "00" * 64
 

async_substrate_interface/const.py

@@ -1,4 +1,2 @@
-
-
 # Re-define SS58 format here to remove unnecessary dependencies.
-SS58_FORMAT = 42
+SS58_FORMAT = 42

async_substrate_interface/protocols.py

@@ -1,43 +1,36 @@
-from typing import Awaitable, Protocol, Union, Optional
+from typing import Awaitable, Protocol, Union, Optional, runtime_checkable
 
 
-__all__: list[str] = [
-    'Keypair'
-]
+__all__: list[str] = ["Keypair"]
 
 
 # For reference only
 # class KeypairType:
 #     """
 #     Type of cryptography, used in `Keypair` instance to encrypt and sign data
-# 
+#
 #     * ED25519 = 0
 #     * SR25519 = 1
 #     * ECDSA = 2
-# 
+#
 #     """
 #     ED25519 = 0
 #     SR25519 = 1
 #     ECDSA = 2
 
 
+@runtime_checkable
 class Keypair(Protocol):
-
     @property
-    def crypto_type(self) -> int:
-        ...
+    def crypto_type(self) -> int: ...
 
     @property
-    def public_key(self) -> Optional[bytes]:
-        ...
+    def public_key(self) -> Optional[bytes]: ...
 
     @property
-    def ss58_address(self) -> str:
-        ...
+    def ss58_address(self) -> str: ...
 
     @property
-    def ss58_format(self) -> int:
-        ...
+    def ss58_format(self) -> int: ...
 
-    def sign(self, data: Union[bytes, str]) -> Union[bytes, Awaitable[bytes]]:
-        ...
+    def sign(self, data: Union[bytes, str]) -> Union[bytes, Awaitable[bytes]]: ...