From 1edb37c8f594a233f8ae1770c1a086f662a9540b Mon Sep 17 00:00:00 2001
From: Arnaud <arnaud@status.im>
Date: Thu, 30 Oct 2025 05:51:08 +0100
Subject: [PATCH] Prevent seg fault when trying to close the discovery while it
 was not started

---
 codex/discovery.nim | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/codex/discovery.nim b/codex/discovery.nim
index 4a211c20..9ff89caf 100644
--- a/codex/discovery.nim
+++ b/codex/discovery.nim
@@ -43,6 +43,7 @@ type Discovery* = ref object of RootObj
     # record to advertice node connection information, this carry any
     # address that the node can be connected on
   dhtRecord*: ?SignedPeerRecord # record to advertice DHT connection information
+  isStarted: bool
 
 proc toNodeId*(cid: Cid): NodeId =
   ## Cid to discovery id
@@ -203,10 +204,15 @@ proc start*(d: Discovery) {.async: (raises: []).} =
   try:
     d.protocol.open()
     await d.protocol.start()
+    d.isStarted = true
   except CatchableError as exc:
     error "Error starting discovery", exc = exc.msg
 
 proc stop*(d: Discovery) {.async: (raises: []).} =
+  if not d.isStarted:
+    warn "Discovery not started, skipping stop"
+    return
+
   try:
     await noCancel d.protocol.closeWait()
   except CatchableError as exc: