First POC of peer routing using kademlia lib

libp2p/routing/interfaces.py

@@ -0,0 +1,31 @@
+from abc import ABC, abstractmethod
+# pylint: disable=too-few-public-methods
+
+
+class IContentRouting(ABC):
+
+    @abstractmethod
+    def provide(self, cid, announce=True):
+        """
+        Provide adds the given cid to the content routing system. If announce is True,
+        it also announces it, otherwise it is just kept in the local
+        accounting of which objects are being provided.
+        """
+
+    @abstractmethod
+    def find_provider_iter(self, cid, count):
+        """
+        Search for peers who are able to provide a given key
+        returns an iterator of peer.PeerInfo
+        """
+
+
+class IPeerRouting(ABC):
+
+    @abstractmethod
+    def find_peer(self, peer_id):
+        """
+        Find specific Peer
+        FindPeer searches for a peer with given peer_id, returns a peer.PeerInfo
+        with relevant addresses.
+        """