define interfaces

network/network_interface.py

@@ -0,0 +1,25 @@
+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

network/stream_interface.py

@@ -0,0 +1,38 @@
+from abc import ABC
+
+class Stream(ABC):
+
+	def __init__(self, context, peer_id):
+		self.context = context
+		self.peer_id = peer_id
+
+	@abstractmethod
+	def protocol():
+		"""
+		:return: protocol id that stream runs on
+		"""
+		pass
+
+	@abstractmethod
+	def set_protocol(protocol_id):
+		"""
+		:param protocol_id: protocol id that stream runs on
+		:return: true if successful
+		"""
+		pass
+
+	@abstractmethod
+	def read():
+		"""
+		read from stream
+		:return: bytes of input
+		"""
+		pass
+
+	@abstractmethod
+	def write(bytes):
+		"""
+		write to stream
+		:return: number of bytes written
+		"""
+		pass

network/swarm.py

@@ -0,0 +1,4 @@
+from interface import Network
+
+class Swarm(Network):
+	pass