From cf904805017f7a32b2f508e9ca77a1e5a87befa4 Mon Sep 17 00:00:00 2001
From: William Casarin <jb55@jb55.com>
Date: Wed, 15 Feb 2023 09:35:10 -0800
Subject: [PATCH] perf: decode large events in background threads

should help with hitches a bit
---
 damus/Nostr/RelayConnection.swift | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/damus/Nostr/RelayConnection.swift b/damus/Nostr/RelayConnection.swift
index db1d9f55..e2ccbe3b 100644
--- a/damus/Nostr/RelayConnection.swift
+++ b/damus/Nostr/RelayConnection.swift
@@ -89,9 +89,20 @@ class RelayConnection: WebSocketDelegate {
             self.isConnected = false
 
         case .text(let txt):
-            if let ev = decode_nostr_event(txt: txt) {
-                handleEvent(.nostr_event(ev))
-                return
+            if txt.count > 2000 {
+                DispatchQueue.global(qos: .default).async {
+                    if let ev = decode_nostr_event(txt: txt) {
+                        DispatchQueue.main.async {
+                            self.handleEvent(.nostr_event(ev))
+                        }
+                        return
+                    }
+                }
+            } else {
+                if let ev = decode_nostr_event(txt: txt) {
+                    handleEvent(.nostr_event(ev))
+                    return
+                }
             }
 
             print("decode failed for \(txt)")