X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fmsgs.rs;h=25553c7080fdaa46e9268978d8348e5be00140cb;hb=5b7d7ed940d62b25a7056682184aa60c8d05b65e;hp=f57cf0fd1fb9304fac06f34fad5164e6e8a1dfe4;hpb=52673d480e615b8b5113435e588da24267316c2e;p=rust-lightning diff --git a/lightning/src/ln/msgs.rs b/lightning/src/ln/msgs.rs index f57cf0fd..25553c70 100644 --- a/lightning/src/ln/msgs.rs +++ b/lightning/src/ln/msgs.rs @@ -804,7 +804,13 @@ pub trait ChannelMessageHandler : events::MessageSendEventsProvider + Send + Syn } /// A trait to describe an object which can receive routing messages. -pub trait RoutingMessageHandler : Send + Sync { +/// +/// # Implementor DoS Warnings +/// +/// For `gossip_queries` messages there are potential DoS vectors when handling +/// inbound queries. Implementors using an on-disk network graph should be aware of +/// repeated disk I/O for queries accessing different parts of the network graph. +pub trait RoutingMessageHandler : Send + Sync + events::MessageSendEventsProvider { /// Handle an incoming node_announcement message, returning true if it should be forwarded on, /// false or returning an Err otherwise. fn handle_node_announcement(&self, msg: &NodeAnnouncement) -> Result; @@ -825,8 +831,25 @@ pub trait RoutingMessageHandler : Send + Sync { /// immediately higher (as defined by ::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; - /// Returns whether a full sync should be requested from a peer. - fn should_request_full_sync(&self, node_id: &PublicKey) -> bool; + /// 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. + fn sync_routing_table(&self, their_node_id: &PublicKey, init: &Init); + /// Handles the reply of a query we initiated to learn about channels + /// for a given range of blocks. We can expect to receive one or more + /// replies to a single query. + fn handle_reply_channel_range(&self, their_node_id: &PublicKey, msg: ReplyChannelRange) -> Result<(), LightningError>; + /// Handles the reply of a query we initiated asking for routing gossip + /// messages for a list of channels. We should receive this message when + /// a node has completed its best effort to send us the pertaining routing + /// gossip messages. + fn handle_reply_short_channel_ids_end(&self, their_node_id: &PublicKey, msg: ReplyShortChannelIdsEnd) -> Result<(), LightningError>; + /// Handles when a peer asks us to send a list of short_channel_ids + /// for the requested range of blocks. + fn handle_query_channel_range(&self, their_node_id: &PublicKey, msg: QueryChannelRange) -> Result<(), LightningError>; + /// Handles when a peer asks us to send routing gossip messages for a + /// list of short_channel_ids. + fn handle_query_short_channel_ids(&self, their_node_id: &PublicKey, msg: QueryShortChannelIds) -> Result<(), LightningError>; } mod fuzzy_internal_msgs {