Merge pull request #1714 from TheBlueMatt/2022-09-111-bindings-discovered-cleanups

[rust-lightning] / lightning / src / routing / gossip.rs

diff --git a/lightning/src/routing/gossip.rs b/lightning/src/routing/gossip.rs
index 28067838f7828ae1eeaad9a9584657ab1d98c959..e265c6322ec56ad1cb3aee3bae696596d5ff02a5 100644 (file)
--- a/lightning/src/routing/gossip.rs
+++ b/lightning/src/routing/gossip.rs
@@ -22,7 +22,7 @@ use bitcoin::hash_types::BlockHash;
 use chain;
 use chain::Access;
 use ln::chan_utils::make_funding_redeemscript;
-use ln::features::{ChannelFeatures, NodeFeatures};
+use ln::features::{ChannelFeatures, NodeFeatures, InitFeatures};
 use ln::msgs::{DecodeError, ErrorAction, Init, LightningError, RoutingMessageHandler, NetAddress, MAX_VALUE_MSAT};
 use ln::msgs::{ChannelAnnouncement, ChannelUpdate, NodeAnnouncement, GossipTimestampFilter};
 use ln::msgs::{QueryChannelRange, ReplyChannelRange, QueryShortChannelIds, ReplyShortChannelIdsEnd};
@@ -197,6 +197,7 @@ where C::Target: chain::Access, L::Target: Logger
 {
        network_graph: G,
        chain_access: Option<C>,
+       #[cfg(feature = "std")]
        full_syncs_requested: AtomicUsize,
        pending_events: Mutex<Vec<MessageSendEvent>>,
        logger: L,
@@ -213,6 +214,7 @@ where C::Target: chain::Access, L::Target: Logger
        pub fn new(network_graph: G, chain_access: Option<C>, logger: L) -> Self {
                P2PGossipSync {
                        network_graph,
+                       #[cfg(feature = "std")]
                        full_syncs_requested: AtomicUsize::new(0),
                        chain_access,
                        pending_events: Mutex::new(vec![]),
@@ -235,6 +237,7 @@ where C::Target: chain::Access, L::Target: Logger
                &self.network_graph
        }
 
+       #[cfg(feature = "std")]
        /// Returns true when a full routing table sync should be performed with a peer.
        fn should_request_full_sync(&self, _node_id: &PublicKey) -> bool {
                //TODO: Determine whether to request a full sync based on the network map.
@@ -421,13 +424,12 @@ where C::Target: chain::Access, L::Target: Logger
                // `gossip_timestamp_filter`, with the filter time set either two weeks ago or an hour ago.
                //
                // For no-std builds, we bury our head in the sand and do a full sync on each connection.
-               let should_request_full_sync = self.should_request_full_sync(&their_node_id);
                #[allow(unused_mut, unused_assignments)]
                let mut gossip_start_time = 0;
                #[cfg(feature = "std")]
                {
                        gossip_start_time = SystemTime::now().duration_since(UNIX_EPOCH).expect("Time must be > 1970").as_secs();
-                       if should_request_full_sync {
+                       if self.should_request_full_sync(&their_node_id) {
                                gossip_start_time -= 60 * 60 * 24 * 7 * 2; // 2 weeks ago
                        } else {
                                gossip_start_time -= 60 * 60; // an hour ago
@@ -570,6 +572,18 @@ where C::Target: chain::Access, L::Target: Logger
                        action: ErrorAction::IgnoreError,
                })
        }
+
+       fn provided_node_features(&self) -> NodeFeatures {
+               let mut features = NodeFeatures::empty();
+               features.set_gossip_queries_optional();
+               features
+       }
+
+       fn provided_init_features(&self, _their_node_id: &PublicKey) -> InitFeatures {
+               let mut features = InitFeatures::empty();
+               features.set_gossip_queries_optional();
+               features
+       }
 }
 
 impl<G: Deref<Target=NetworkGraph<L>>, C: Deref, L: Deref> MessageSendEventsProvider for P2PGossipSync<G, C, L>
@@ -1856,7 +1870,7 @@ mod tests {
        use ln::PaymentHash;
        use ln::features::{ChannelFeatures, InitFeatures, NodeFeatures};
        use routing::gossip::{P2PGossipSync, NetworkGraph, NetworkUpdate, NodeAlias, MAX_EXCESS_BYTES_FOR_RELAY, NodeId, RoutingFees, ChannelUpdateInfo, ChannelInfo, NodeAnnouncementInfo, NodeInfo};
-       use ln::msgs::{Init, RoutingMessageHandler, UnsignedNodeAnnouncement, NodeAnnouncement,
+       use ln::msgs::{RoutingMessageHandler, UnsignedNodeAnnouncement, NodeAnnouncement,
                UnsignedChannelAnnouncement, ChannelAnnouncement, UnsignedChannelUpdate, ChannelUpdate,
                ReplyChannelRange, QueryChannelRange, QueryShortChannelIds, MAX_VALUE_MSAT};
        use util::test_utils;
@@ -1900,6 +1914,7 @@ mod tests {
        }
 
        #[test]
+       #[cfg(feature = "std")]
        fn request_full_sync_finite_times() {
                let network_graph = create_network_graph();
                let (secp_ctx, gossip_sync) = create_gossip_sync(&network_graph);
@@ -2587,6 +2602,7 @@ mod tests {
        #[cfg(feature = "std")]
        fn calling_sync_routing_table() {
                use std::time::{SystemTime, UNIX_EPOCH};
+               use ln::msgs::Init;
 
                let network_graph = create_network_graph();
                let (secp_ctx, gossip_sync) = create_gossip_sync(&network_graph);