Migrate to new project structure.

libp2p/network/stream/net_stream_interface.py

@@ -0,0 +1,38 @@
+from abc import ABC, abstractmethod
+
+
+class INetStream(ABC):
+
+    @abstractmethod
+    def get_protocol(self):
+        """
+        :return: protocol id that stream runs on
+        """
+
+    @abstractmethod
+    def set_protocol(self, protocol_id):
+        """
+        :param protocol_id: protocol id that stream runs on
+        :return: true if successful
+        """
+
+    @abstractmethod
+    def read(self):
+        """
+        reads from the underlying muxed_stream
+        :return: bytes of input
+        """
+
+    @abstractmethod
+    def write(self, _bytes):
+        """
+        write to the underlying muxed_stream
+        :return: number of bytes written
+        """
+
+    @abstractmethod
+    def close(self):
+        """
+        close the underlying muxed stream
+        :return: true if successful
+        """