Allow custom logger types.
[rapid-gossip-sync-server] / src / downloader.rs
index 504db2a4ec4b2eb91595fa112e7227ee27be1543..0c672e36446c25d05d6dcf48905f67a47feb7d35 100644 (file)
@@ -1,15 +1,15 @@
 use std::sync::{Arc, RwLock};
 
 use bitcoin::secp256k1::PublicKey;
+use lightning::events::{MessageSendEvent, MessageSendEventsProvider};
 use lightning::ln::features::{InitFeatures, NodeFeatures};
 use lightning::ln::msgs::{ChannelAnnouncement, ChannelUpdate, Init, LightningError, NodeAnnouncement, QueryChannelRange, QueryShortChannelIds, ReplyChannelRange, ReplyShortChannelIdsEnd, RoutingMessageHandler};
-use lightning::routing::gossip::{NetworkGraph, P2PGossipSync};
-use lightning::util::events::{MessageSendEvent, MessageSendEventsProvider};
+use lightning::routing::gossip::{NetworkGraph, NodeId, P2PGossipSync};
+use lightning::util::logger::Logger;
 use tokio::sync::mpsc;
 use tokio::sync::mpsc::error::TrySendError;
 
-use crate::TestLogger;
-use crate::types::{GossipMessage, GossipChainAccess};
+use crate::types::{GossipMessage, GossipChainAccess, GossipPeerManager};
 use crate::verifier::ChainVerifier;
 
 pub(crate) struct GossipCounter {
@@ -30,63 +30,49 @@ impl GossipCounter {
        }
 }
 
-pub(crate) struct GossipRouter {
-       native_router: P2PGossipSync<Arc<NetworkGraph<TestLogger>>, GossipChainAccess, TestLogger>,
+pub(crate) struct GossipRouter<L: Logger + Send + Sync + 'static> {
+       native_router: P2PGossipSync<Arc<NetworkGraph<Arc<L>>>, GossipChainAccess<L>, Arc<L>>,
        pub(crate) counter: RwLock<GossipCounter>,
        sender: mpsc::Sender<GossipMessage>,
+       verifier: Arc<ChainVerifier<L>>,
+       outbound_gossiper: Arc<P2PGossipSync<Arc<NetworkGraph<Arc<L>>>, GossipChainAccess<L>, Arc<L>>>,
 }
 
-impl GossipRouter {
-       pub(crate) fn new(network_graph: Arc<NetworkGraph<TestLogger>>, sender: mpsc::Sender<GossipMessage>) -> Self {
+impl<L: Logger + Send + Sync> GossipRouter<L> {
+       pub(crate) fn new(network_graph: Arc<NetworkGraph<Arc<L>>>, sender: mpsc::Sender<GossipMessage>, logger: Arc<L>) -> Self {
+               let outbound_gossiper = Arc::new(P2PGossipSync::new(Arc::clone(&network_graph), None, logger.clone()));
+               let verifier = Arc::new(ChainVerifier::new(Arc::clone(&network_graph), Arc::clone(&outbound_gossiper)));
                Self {
-                       native_router: P2PGossipSync::new(network_graph, Some(Arc::new(ChainVerifier::new())), TestLogger::new()),
+                       native_router: P2PGossipSync::new(network_graph, Some(Arc::clone(&verifier)), logger.clone()),
+                       outbound_gossiper,
                        counter: RwLock::new(GossipCounter::new()),
-                       sender
+                       sender,
+                       verifier
                }
        }
-}
-
-impl MessageSendEventsProvider for GossipRouter {
-       fn get_and_clear_pending_msg_events(&self) -> Vec<MessageSendEvent> {
-               self.native_router.get_and_clear_pending_msg_events()
-       }
-}
 
-impl RoutingMessageHandler for GossipRouter {
-       fn handle_node_announcement(&self, msg: &NodeAnnouncement) -> Result<bool, LightningError> {
-               self.native_router.handle_node_announcement(msg)
+       pub(crate) fn set_pm(&self, peer_handler: GossipPeerManager<L>) {
+               self.verifier.set_ph(peer_handler);
        }
 
-       fn handle_channel_announcement(&self, msg: &ChannelAnnouncement) -> Result<bool, LightningError> {
-               let native_result = self.native_router.handle_channel_announcement(msg);
-               let output_value;
+       fn new_channel_announcement(&self, msg: ChannelAnnouncement) {
                {
                        let mut counter = self.counter.write().unwrap();
-                       output_value = native_result.map_err(|error| {
-                               if error.err.contains("didn't match on-chain script") {
-                                       counter.channel_announcements_with_mismatched_scripts += 1;
-                               }
-                               error
-                       })?;
                        counter.channel_announcements += 1;
                }
 
-               let gossip_message = GossipMessage::ChannelAnnouncement(msg.clone());
+               let gossip_message = GossipMessage::ChannelAnnouncement(msg);
                if let Err(err) = self.sender.try_send(gossip_message) {
                        let gossip_message = match err { TrySendError::Full(msg)|TrySendError::Closed(msg) => msg };
                        tokio::task::block_in_place(move || { tokio::runtime::Handle::current().block_on(async move {
                                self.sender.send(gossip_message).await.unwrap();
                        })});
                }
-
-               Ok(output_value)
        }
 
-       fn handle_channel_update(&self, msg: &ChannelUpdate) -> Result<bool, LightningError> {
-               let output_value = self.native_router.handle_channel_update(msg)?;
-
+       fn new_channel_update(&self, msg: ChannelUpdate) {
                self.counter.write().unwrap().channel_updates += 1;
-               let gossip_message = GossipMessage::ChannelUpdate(msg.clone());
+               let gossip_message = GossipMessage::ChannelUpdate(msg);
 
                if let Err(err) = self.sender.try_send(gossip_message) {
                        let gossip_message = match err { TrySendError::Full(msg)|TrySendError::Closed(msg) => msg };
@@ -94,20 +80,59 @@ impl RoutingMessageHandler for GossipRouter {
                                self.sender.send(gossip_message).await.unwrap();
                        })});
                }
+       }
+}
+
+impl<L: Logger + Send + Sync> MessageSendEventsProvider for GossipRouter<L> {
+       fn get_and_clear_pending_msg_events(&self) -> Vec<MessageSendEvent> {
+               let gossip_evs = self.outbound_gossiper.get_and_clear_pending_msg_events();
+               for ev in gossip_evs {
+                       match ev {
+                               MessageSendEvent::BroadcastChannelAnnouncement { msg, .. } => {
+                                       self.new_channel_announcement(msg);
+                               },
+                               MessageSendEvent::BroadcastNodeAnnouncement { .. } => {},
+                               MessageSendEvent::BroadcastChannelUpdate { msg } => {
+                                       self.new_channel_update(msg);
+                               },
+                               _ => { unreachable!() },
+                       }
+               }
+               self.native_router.get_and_clear_pending_msg_events()
+       }
+}
+
+impl<L: Logger + Send + Sync> RoutingMessageHandler for GossipRouter<L> {
+       fn handle_node_announcement(&self, msg: &NodeAnnouncement) -> Result<bool, LightningError> {
+               self.native_router.handle_node_announcement(msg)
+       }
+
+       fn handle_channel_announcement(&self, msg: &ChannelAnnouncement) -> Result<bool, LightningError> {
+               let res = self.native_router.handle_channel_announcement(msg)?;
+               self.new_channel_announcement(msg.clone());
+               Ok(res)
+       }
+
+       fn handle_channel_update(&self, msg: &ChannelUpdate) -> Result<bool, LightningError> {
+               let res = self.native_router.handle_channel_update(msg)?;
+               self.new_channel_update(msg.clone());
+               Ok(res)
+       }
 
-               Ok(output_value)
+       fn processing_queue_high(&self) -> bool {
+               self.native_router.processing_queue_high()
        }
 
        fn get_next_channel_announcement(&self, starting_point: u64) -> Option<(ChannelAnnouncement, Option<ChannelUpdate>, Option<ChannelUpdate>)> {
                self.native_router.get_next_channel_announcement(starting_point)
        }
 
-       fn get_next_node_announcement(&self, starting_point: Option<&PublicKey>) -> Option<NodeAnnouncement> {
+       fn get_next_node_announcement(&self, starting_point: Option<&NodeId>) -> Option<NodeAnnouncement> {
                self.native_router.get_next_node_announcement(starting_point)
        }
 
-       fn peer_connected(&self, their_node_id: &PublicKey, init: &Init) {
-               self.native_router.peer_connected(their_node_id, init)
+       fn peer_connected(&self, their_node_id: &PublicKey, init: &Init, inbound: bool) -> Result<(), ()> {
+               self.native_router.peer_connected(their_node_id, init, inbound)
        }
 
        fn handle_reply_channel_range(&self, their_node_id: &PublicKey, msg: ReplyChannelRange) -> Result<(), LightningError> {