Backfill gossip without buffering directly in LDK

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

diff --git a/lightning/src/ln/msgs.rs b/lightning/src/ln/msgs.rs
index 05a336c18eff5634e0fee7f2cec8b86a66e02a89..975b40c9c21f070ad70adc7c9c907e101d285bd4 100644 (file)
--- a/lightning/src/ln/msgs.rs
+++ b/lightning/src/ln/msgs.rs
@@ -915,15 +915,15 @@ pub trait RoutingMessageHandler : MessageSendEventsProvider {
        /// Handle an incoming channel_update message, returning true if it should be forwarded on,
        /// false or returning an Err otherwise.
        fn handle_channel_update(&self, msg: &ChannelUpdate) -> Result<bool, LightningError>;
-       /// Gets a subset of the channel announcements and updates required to dump our routing table
-       /// to a remote node, starting at the short_channel_id indicated by starting_point and
-       /// including the batch_amount entries immediately higher in numerical value than starting_point.
-       fn get_next_channel_announcements(&self, starting_point: u64, batch_amount: u8) -> Vec<(ChannelAnnouncement, Option<ChannelUpdate>, Option<ChannelUpdate>)>;
-       /// Gets a subset of the node announcements required to dump our routing table to a remote node,
-       /// starting at the node *after* the provided publickey and including batch_amount entries
-       /// immediately higher (as defined by <PublicKey as Ord>::cmp) than starting_point.
+       /// Gets channel announcements and updates required to dump our routing table to a remote node,
+       /// starting at the short_channel_id indicated by starting_point and including announcements
+       /// for a single channel.
+       fn get_next_channel_announcement(&self, starting_point: u64) -> Option<(ChannelAnnouncement, Option<ChannelUpdate>, Option<ChannelUpdate>)>;
+       /// Gets a node announcement required to dump our routing table to a remote node, starting at
+       /// the node *after* the provided pubkey and including up to one announcement immediately
+       /// higher (as defined by <PublicKey as Ord>::cmp) than starting_point.
        /// If None is provided for starting_point, we start at the first node.
-       fn get_next_node_announcements(&self, starting_point: Option<&PublicKey>, batch_amount: u8) -> Vec<NodeAnnouncement>;
+       fn get_next_node_announcement(&self, starting_point: Option<&PublicKey>) -> Option<NodeAnnouncement>;
        /// Called when a connection is established with a peer. This can be used to
        /// perform routing table synchronization using a strategy defined by the
        /// implementor.