from abc import ABC

class Network(ABC):

	def __init__(self, context, my_peer_id, peer_store):
		self.context = context
		self.my_peer_id = my_peer_id
		self.peer_store = peer_store

	@abstractmethod
	def set_stream_handler(stream_handler):
		"""
		:param stream_handler: a stream handler instance
		:return: true if successful
		"""
		pass

	@abstractmethod
	def new_stream(context, peer_id):
		"""
		:param context: context instance
		:param peer_id: peer_id of destination
		:return: stream instance
		"""
		pass