add typing to transport

libp2p/transport/transport_interface.py

@@ -1,22 +1,29 @@
 from abc import ABC, abstractmethod
 
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from multiaddr import Multiaddr
+    from libp2p.peer.id import ID
+    from libp2p.network.connection.raw_connection_interface import IRawConnection
+    from .listener_interface import IListener
+    from .typing import THandler
+
 
 class ITransport(ABC):
     @abstractmethod
-    def dial(self, maddr, self_id, options=None):
+    async def dial(self, maddr: "Multiaddr", self_id: "ID") -> "IRawConnection":
         """
         dial a transport to peer listening on multiaddr
         :param multiaddr: multiaddr of peer
         :param self_id: peer_id of the dialer (to send to receiver)
-        :param options: optional object
         :return: list of multiaddrs
         """
 
     @abstractmethod
-    def create_listener(self, handler_function, options=None):
+    def create_listener(self, handler_function: "THandler") -> "IListener":
         """
         create listener on transport
-        :param options: optional object with properties the listener must have
         :param handler_function: a function called when a new conntion is received
         that takes a connection as argument which implements interface-connection
         :return: a listener object that implements listener_interface.py