fix(network): emit NetworkEvent when we publish a gossipsub msg

sn_client/src/api.rs

@@ -218,7 +218,8 @@ impl Client {
                     }
                 }
             }
-            NetworkEvent::GossipsubMsg { topic, msg } => {
+            NetworkEvent::GossipsubMsgReceived { topic, msg }
+            | NetworkEvent::GossipsubMsgPublished { topic, msg } => {
                 self.events_channel
                     .broadcast(ClientEvent::GossipsubMsg { topic, msg })?;
             }

sn_networking/src/cmd.rs

@@ -407,6 +407,12 @@ impl SwarmDriver {
                     .unsubscribe(&topic_id)?;
             }
             SwarmCmd::GossipsubPublish { topic_id, msg } => {
+                // If we publish a Gossipsub message, we might not receive the same message on our side.
+                // Hence push an event to notify that we've published a message
+                self.send_event(NetworkEvent::GossipsubMsgPublished {
+                    topic: topic_id.clone(),
+                    msg: msg.clone(),
+                });
                 let topic_id = libp2p::gossipsub::IdentTopic::new(topic_id);
                 self.swarm
                     .behaviour_mut()

sn_networking/src/event.rs

@@ -138,12 +138,19 @@ pub enum NetworkEvent {
     /// Report failed write to cleanup record store
     FailedToWrite(RecordKey),
     /// Gossipsub message received
-    GossipsubMsg {
+    GossipsubMsgReceived {
         /// Topic the message was published on
         topic: String,
         /// The raw bytes of the received message
         msg: Vec<u8>,
     },
+    /// The Gossipsub message that we published
+    GossipsubMsgPublished {
+        /// Topic the message was published on
+        topic: String,
+        /// The raw bytes of the sent message
+        msg: Vec<u8>,
+    },
 }
 
 // Manually implement Debug as `#[debug(with = "unverified_record_fmt")]` not working as expected.
@@ -183,8 +190,11 @@ impl Debug for NetworkEvent {
                 let pretty_key = PrettyPrintRecordKey::from(record_key.clone());
                 write!(f, "NetworkEvent::FailedToWrite({pretty_key:?})")
             }
-            NetworkEvent::GossipsubMsg { topic, .. } => {
-                write!(f, "NetworkEvent::GossipsubMsg({topic})")
+            NetworkEvent::GossipsubMsgReceived { topic, .. } => {
+                write!(f, "NetworkEvent::GossipsubMsgReceived({topic})")
+            }
+            NetworkEvent::GossipsubMsgPublished { topic, .. } => {
+                write!(f, "NetworkEvent::GossipsubMsgPublished({topic})")
             }
         }
     }
@@ -326,7 +336,7 @@ impl SwarmDriver {
                     libp2p::gossipsub::Event::Message { message, .. } => {
                         let topic = message.topic.into_string();
                         let msg = message.data;
-                        self.send_event(NetworkEvent::GossipsubMsg { topic, msg });
+                        self.send_event(NetworkEvent::GossipsubMsgReceived { topic, msg });
                     }
                     other => trace!("Gossipsub Event has been ignored: {other:?}"),
                 }

sn_node/src/api.rs

@@ -292,7 +292,8 @@ impl Node {
                 | NetworkEvent::PeerRemoved(_)
                 | NetworkEvent::NewListenAddr(_)
                 | NetworkEvent::NatStatusChanged(_)
-                | NetworkEvent::GossipsubMsg { .. } => break,
+                | NetworkEvent::GossipsubMsgReceived { .. }
+                | NetworkEvent::GossipsubMsgPublished { .. } => break,
             }
         }
         trace!("Handling NetworkEvent {event:?}");
@@ -372,7 +373,8 @@ impl Node {
                     error!("Failed to remove local record: {e:?}");
                 }
             }
-            NetworkEvent::GossipsubMsg { topic, msg } => {
+            NetworkEvent::GossipsubMsgReceived { topic, msg }
+            | NetworkEvent::GossipsubMsgPublished { topic, msg } => {
                 if topic == TRANSFER_NOTIF_TOPIC {
                     // this is expected to be a notification of a transfer which we treat specially
                     match try_decode_transfer_notif(&msg) {

sn_node/src/put_validation.rs

@@ -453,6 +453,7 @@ impl Node {
         // publish a notification over gossipsub topic TRANSFER_NOTIF_TOPIC for each cash-note received.
         match transfer_for_us.to_hex() {
             Ok(transfer_hex) => {
+                trace!("Publishing a gossipsub msgs for transfer_for_us: {transfer_for_us:?}");
                 let topic = TRANSFER_NOTIF_TOPIC.to_string();
                 for cash_note in cash_notes.iter() {
                     let pk = cash_note.unique_pubkey();