from abc import ABC, abstractmethod class ITransport(ABC): @abstractmethod def dial(self, multiaddr, options=None): """ dial a transport to peer listening on multiaddr :param multiaddr: multiaddr of peer :param options: optional object :return: list of multiaddrs """ @abstractmethod def create_listener(self, handler_function, options=None): """ 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 """