From 6316b07e8138729a904f86ee4a23a588876db7a2 Mon Sep 17 00:00:00 2001
From: Dmitriy Ryajov <dryajov@gmail.com>
Date: Wed, 12 Feb 2020 09:40:54 -0500
Subject: [PATCH] don't crash when stringifying nil peerinfo

---
 libp2p/peerinfo.nim | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libp2p/peerinfo.nim b/libp2p/peerinfo.nim
index 4bc562b58..9d4c17dcf 100644
--- a/libp2p/peerinfo.nim
+++ b/libp2p/peerinfo.nim
@@ -105,9 +105,13 @@ proc publicKey*(p: PeerInfo): Option[PublicKey] {.inline.} =
     result = some(p.privateKey.getKey())
 
 proc id*(p: PeerInfo): string {.inline.} =
-  result = p.peerId.pretty()
+  if not isNil(p):
+    result = p.peerId.pretty()
 
 proc `$`*(p: PeerInfo): string =
+  if isNil(p):
+    return ""
+
   result.add("PeerID: ")
   result.add(p.id & "\n")