fix: notification only about live adults

src/routing/core.rs

@@ -1134,7 +1134,11 @@ impl Core {
             return Ok(vec![]);
         }
 
-        let old_adults: BTreeSet<_> = self.section.adults().map(|peer| *peer.name()).collect();
+        let old_adults: BTreeSet<_> = self
+            .section
+            .live_adults()
+            .map(|peer| *peer.name())
+            .collect();
 
         let snapshot = self.state_snapshot();
         trace!(
@@ -1146,7 +1150,11 @@ impl Core {
         self.network.merge(network, self.section.chain());
 
         if !self.is_elder() {
-            let new_adults: BTreeSet<_> = self.section.adults().map(|peer| *peer.name()).collect();
+            let new_adults: BTreeSet<_> = self
+                .section
+                .live_adults()
+                .map(|peer| *peer.name())
+                .collect();
             if old_adults != new_adults {
                 self.send_event(Event::AdultsChanged(new_adults));
             }
@@ -2046,7 +2054,7 @@ impl Core {
 
         let mut commands = vec![];
 
-        let adults: Vec<_> = self.section.adults().copied().collect();
+        let adults: Vec<_> = self.section.live_adults().copied().collect();
 
         let variant = Variant::Sync {
             section: self.section.clone(),

src/section/mod.rs

@@ -268,6 +268,17 @@ impl Section {
             .filter(move |peer| !self.is_elder(peer.name()))
     }
 
+    /// Returns live adults from our section.
+    pub fn live_adults(&self) -> impl Iterator<Item = &Peer> {
+        self.members.joined().filter_map(move |info| {
+            if !self.is_elder(info.peer.name()) {
+                Some(&info.peer)
+            } else {
+                None
+            }
+        })
+    }
+
     pub fn find_joined_member_by_addr(&self, addr: &SocketAddr) -> Option<&Peer> {
         self.members
             .joined()