check for nil observers

2020-05-08 15:44:18 -06:00 · 2020-05-08 15:44:18 -06:00 · 6196d56fc2
parent ccd019b328
commit 6196d56fc2
1 changed files with 1 additions and 1 deletions
--- a/libp2p/protocols/pubsub/pubsubpeer.nim
+++ b/libp2p/protocols/pubsub/pubsubpeer.nim
@ -83,7 +83,7 @@ proc send*(p: PubSubPeer, msgs: seq[RPCMsg]) {.async.} =
      trace "sending msgs to peer", toPeer = p.id
      let encoded = encodeRpcMsg(m)
      # trigger hooks
-      if p.observers[].len > 0:
+      if not(isNil(p.observers)) and p.observers[].len > 0:
        var mm = m
        for obs in p.observers[]:
          obs.onSend(p, mm)