Merge pull request #1688 from valentinewallace/2022-08-flip-om-feature-bit

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

diff --git a/lightning/src/ln/msgs.rs b/lightning/src/ln/msgs.rs
index e063c31464fc89a7f93b57c16e18f6f3dc62b8eb..747107c08221c41b04a5283a91804031d981325f 100644 (file)
--- a/lightning/src/ln/msgs.rs
+++ b/lightning/src/ln/msgs.rs
@@ -900,7 +900,7 @@ pub trait ChannelMessageHandler : MessageSendEventsProvider {
        // 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 node_announcement message.
+       /// 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
@@ -958,6 +958,10 @@ pub trait RoutingMessageHandler : MessageSendEventsProvider {
        fn handle_query_short_channel_ids(&self, their_node_id: &PublicKey, msg: QueryShortChannelIds) -> Result<(), LightningError>;
 
        // 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.
@@ -976,6 +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 {