refactored routedhost into router passed to swarm

libp2p/routing/kademlia/kademlia_content_router.py

@@ -0,0 +1,21 @@
+from libp2p.routing.interfaces import IContentRouting
+
+
+class KadmeliaContentRouter(IContentRouting):
+
+    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.
+        """
+        # the DHT finds the closest peers to `key` using the `FIND_NODE` RPC
+        # then sends a `ADD_PROVIDER` RPC with its own `PeerInfo` to each of these peers.
+        pass
+
+    def find_provider_iter(self, cid, count):
+        """
+        Search for peers who are able to provide a given key
+        returns an iterator of peer.PeerInfo
+        """
+        pass