From 30bb3dcb6f6a4a0a454d06537c3a9eaf11fa6ae8 Mon Sep 17 00:00:00 2001
From: nielsandriesse <andriesseniels@gmail.com>
Date: Tue, 13 Oct 2020 15:32:02 +1100
Subject: [PATCH] Fix rare crash

---
 SignalServiceKit/src/Loki/API/SnodeAPI.swift | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/SignalServiceKit/src/Loki/API/SnodeAPI.swift b/SignalServiceKit/src/Loki/API/SnodeAPI.swift
index cd411f096..3ce17b2fd 100644
--- a/SignalServiceKit/src/Loki/API/SnodeAPI.swift
+++ b/SignalServiceKit/src/Loki/API/SnodeAPI.swift
@@ -89,7 +89,11 @@ public final class SnodeAPI : NSObject {
                         return Snode(address: "https://\(address)", port: UInt16(port), publicKeySet: Snode.KeySet(ed25519Key: ed25519PublicKey, x25519Key: x25519PublicKey))
                     })
                     // randomElement() uses the system's default random generator, which is cryptographically secure
-                    return snodePool.randomElement()!
+                    if !snodePool.isEmpty {
+                        return snodePool.randomElement()!
+                    } else {
+                        throw SnodeAPIError.randomSnodePoolUpdatingFailed
+                    }
                 }
             }.done2 { snode in
                 seal.fulfill(snode)