Merge pull request #2842 from jkczyz/2024-01-fix-peer-handler-unwrap

Fix panic when peer is mid-handshake

diff --git a/lightning/src/ln/peer_handler.rs b/lightning/src/ln/peer_handler.rs
index 6d46558b188b60c2433f51f002121bad268df60c..c3a50fd2490e5db0accd5454b4f2f2f8e61500ed 100644 (file)
--- a/lightning/src/ln/peer_handler.rs
+++ b/lightning/src/ln/peer_handler.rs
@@ -1272,7 +1272,7 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
 
        /// Append a message to a peer's pending outbound/write buffer
        fn enqueue_message<M: wire::Type>(&self, peer: &mut Peer, message: &M) {
-               let logger = WithContext::from(&self.logger, Some(peer.their_node_id.unwrap().0), None);
+               let logger = WithContext::from(&self.logger, peer.their_node_id.map(|p| p.0), None);
                if is_gossip_msg(message.type_id()) {
                        log_gossip!(logger, "Enqueueing message {:?} to {}", message, log_pubkey!(peer.their_node_id.unwrap().0));
                } else {
@@ -1377,7 +1377,7 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
 
                                                macro_rules! insert_node_id {
                                                        () => {
-                                                               let logger = WithContext::from(&self.logger, Some(peer.their_node_id.unwrap().0), None);
+                                                               let logger = WithContext::from(&self.logger, peer.their_node_id.map(|p| p.0), None);
                                                                match self.node_id_to_descriptor.lock().unwrap().entry(peer.their_node_id.unwrap().0) {
                                                                        hash_map::Entry::Occupied(e) => {
                                                                                log_trace!(logger, "Got second connection with {}, closing", log_pubkey!(peer.their_node_id.unwrap().0));
@@ -1457,7 +1457,7 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
                                                                        peer.pending_read_buffer.resize(18, 0);
                                                                        peer.pending_read_is_header = true;
 
-                                                                       let logger = WithContext::from(&self.logger, Some(peer.their_node_id.unwrap().0), None);
+                                                                       let logger = WithContext::from(&self.logger, peer.their_node_id.map(|p| p.0), None);
                                                                        let message = match message_result {
                                                                                Ok(x) => x,
                                                                                Err(e) => {
@@ -1835,13 +1835,13 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
 
                                for (_, peer_mutex) in peers.iter() {
                                        let mut peer = peer_mutex.lock().unwrap();
-                                       let logger = WithContext::from(&self.logger, Some(peer.their_node_id.unwrap().0), None);
                                        if !peer.handshake_complete() ||
                                                        !peer.should_forward_channel_announcement(msg.contents.short_channel_id) {
                                                continue
                                        }
                                        debug_assert!(peer.their_node_id.is_some());
                                        debug_assert!(peer.channel_encryptor.is_ready_for_encryption());
+                                       let logger = WithContext::from(&self.logger, peer.their_node_id.map(|p| p.0), None);
                                        if peer.buffer_full_drop_gossip_broadcast() {
                                                log_gossip!(logger, "Skipping broadcast message to {:?} as its outbound buffer is full", peer.their_node_id);
                                                continue;
@@ -1863,13 +1863,13 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
 
                                for (_, peer_mutex) in peers.iter() {
                                        let mut peer = peer_mutex.lock().unwrap();
-                                       let logger = WithContext::from(&self.logger, Some(peer.their_node_id.unwrap().0), None);
                                        if !peer.handshake_complete() ||
                                                        !peer.should_forward_node_announcement(msg.contents.node_id) {
                                                continue
                                        }
                                        debug_assert!(peer.their_node_id.is_some());
                                        debug_assert!(peer.channel_encryptor.is_ready_for_encryption());
+                                       let logger = WithContext::from(&self.logger, peer.their_node_id.map(|p| p.0), None);
                                        if peer.buffer_full_drop_gossip_broadcast() {
                                                log_gossip!(logger, "Skipping broadcast message to {:?} as its outbound buffer is full", peer.their_node_id);
                                                continue;
@@ -1891,13 +1891,13 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
 
                                for (_, peer_mutex) in peers.iter() {
                                        let mut peer = peer_mutex.lock().unwrap();
-                                       let logger = WithContext::from(&self.logger, Some(peer.their_node_id.unwrap().0), None);
                                        if !peer.handshake_complete() ||
                                                        !peer.should_forward_channel_announcement(msg.contents.short_channel_id)  {
                                                continue
                                        }
                                        debug_assert!(peer.their_node_id.is_some());
                                        debug_assert!(peer.channel_encryptor.is_ready_for_encryption());
+                                       let logger = WithContext::from(&self.logger, peer.their_node_id.map(|p| p.0), None);
                                        if peer.buffer_full_drop_gossip_broadcast() {
                                                log_gossip!(logger, "Skipping broadcast message to {:?} as its outbound buffer is full", peer.their_node_id);
                                                continue;