from abc import ABC, abstractmethod from multiaddr import Multiaddr from libp2p.network.connection.raw_connection_interface import IRawConnection from .listener_interface import IListener from .typing import THandler class ITransport(ABC): @abstractmethod async def dial(self, maddr: Multiaddr) -> 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) :return: list of multiaddrs """ @abstractmethod def create_listener(self, handler_function: THandler) -> IListener: """ create listener on transport. :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 """