better diagnostics

libp2p/protocols/pubsub/gossipsub.nim

@@ -480,7 +480,7 @@ method publish*(g: GossipSub,
         sent.add(peer.send(@[RPCMsg(messages: @[msg])]))
       else:
         # Notice this needs a better fix! for now it's a hack
-        error "publish: peer or peerInfo was nil"
+        error "publish: peer or peerInfo was nil", missing = p
         if topic in g.mesh:
           g.mesh[topic].excl(p)
         if topic in g.fanout:

libp2p/protocols/pubsub/pubsub.nim

@@ -100,6 +100,7 @@ method rpcHandler*(p: PubSub,
 method handleDisconnect*(p: PubSub, peer: PubSubPeer) {.async, base.} =
   ## handle peer disconnects
   if peer.id in p.peers:
+    trace "deleting peer", id = peer.id
     p.peers.del(peer.id)
 
   # metrics