OR InitFeatures and NodeFeatures from onion message handler

[rust-lightning] / lightning / src / ln / msgs.rs

diff --git a/lightning/src/ln/msgs.rs b/lightning/src/ln/msgs.rs
index a6d096bffb93bce56a399b071e2314eff67ee61b..a43156965cc71dafe22cdb159e16fc672f18bd3c 100644 (file)
--- a/lightning/src/ln/msgs.rs
+++ b/lightning/src/ln/msgs.rs
@@ -980,6 +980,19 @@ pub trait OnionMessageHandler : OnionMessageProvider {
        /// Indicates a connection to the peer failed/an existing connection was lost. Allows handlers to
        /// drop and refuse to forward onion messages to this peer.
        fn peer_disconnected(&self, their_node_id: &PublicKey, no_connection_possible: bool);
+
+       // Handler information:
+       /// Gets the node feature flags which this handler itself supports. All available handlers are
+       /// queried similarly and their feature flags are OR'd together to form the [`NodeFeatures`]
+       /// which are broadcasted in our [`NodeAnnouncement`] message.
+       fn provided_node_features(&self) -> NodeFeatures;
+
+       /// Gets the init feature flags which should be sent to the given peer. All available handlers
+       /// are queried similarly and their feature flags are OR'd together to form the [`InitFeatures`]
+       /// which are sent in our [`Init`] message.
+       ///
+       /// Note that this method is called before [`Self::peer_connected`].
+       fn provided_init_features(&self, their_node_id: &PublicKey) -> InitFeatures;
 }
 
 mod fuzzy_internal_msgs {