From 11db313b17235fef8f39bf85b61b2b13e74619fa Mon Sep 17 00:00:00 2001
From: Alex Stokes <r.alex.stokes@gmail.com>
Date: Mon, 28 Oct 2019 18:43:59 +0900
Subject: [PATCH] A mux can provide the protocols it responds to

---
 libp2p/protocol_muxer/multiselect_muxer_interface.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libp2p/protocol_muxer/multiselect_muxer_interface.py b/libp2p/protocol_muxer/multiselect_muxer_interface.py
index 66e0392a..935545f6 100644
--- a/libp2p/protocol_muxer/multiselect_muxer_interface.py
+++ b/libp2p/protocol_muxer/multiselect_muxer_interface.py
@@ -22,6 +22,9 @@ class IMultiselectMuxer(ABC):
         :param handler: handler function
         """
 
+    def get_protocols(self) -> Tuple[TProtocol, ...]:
+        return tuple(self.handlers.keys())
+
     @abstractmethod
     async def negotiate(
         self, communicator: IMultiselectCommunicator