fix connection

connection/connection_interface.py

@@ -1,27 +0,0 @@
-from abc import ABC, abstractmethod
-
-class IConnection(ABC):
-
-    @abstractmethod
-    def get_observed_addrs(self):
-        """
-        retrieve observed addresses from underlying transport
-        :return: list of multiaddrs
-        """
-        pass
-
-    @abstractmethod
-    def get_peer_info(self):
-        """
-        retrieve peer info object that the connection connects to
-        :return: a peer info object
-        """
-        pass
-
-    @abstractmethod
-    def set_peer_info(self, peer_info):
-        """
-        :param peer_info: a peer info object that contains info of peer
-        :return: True if successful
-        """
-        pass

connection/raw_connection.py

@@ -1,10 +1,14 @@
-from .raw_connection import IRawConnection
+import asyncio
+from .raw_connection_interface import IRawConnection
 
 class RawConnection(IRawConnection):
 
     def __init__(self, ip, port):
-        self.ip = ip
-        self.port = port
-        
+        self.conn_ip = ip
+        self.conn_port = port
+        self.reader = None
+        self.writer = None
+
     async def open_connection(self):
-    	self.reader, self.writer = await asyncio.open_connection(self.ip, self.port)
+        self.reader, self.writer = \
+            await asyncio.open_connection(self.conn_ip, self.conn_port)

connection/raw_connection_interface.py

@@ -1,13 +1,8 @@
 from abc import ABC, abstractmethod
-import asyncio
 
 class IRawConnection(ABC):
 
-    @abstractmethod
-    def __init__(self, ip, port):
-        pass
-
     @abstractmethod
     async def open_connection(self):
         pass
-        
+