From ca59a551691b2e6b8a4ece9af284dabf3c9f5c17 Mon Sep 17 00:00:00 2001
From: Charles Kerr <charles@charleskerr.com>
Date: Sat, 14 Feb 2026 16:09:06 -0600
Subject: [PATCH] perf: permanently cache Torrent.hashString

---
 macosx/Torrent.mm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/macosx/Torrent.mm b/macosx/Torrent.mm
index bcd8defc8..2a1599e2d 100644
--- a/macosx/Torrent.mm
+++ b/macosx/Torrent.mm
@@ -46,6 +46,7 @@ static dispatch_queue_t timeMachineExcludeQueue;
 @property(nonatomic) TorrentDeterminationType fDownloadFolderDetermination;
 
 @property(nonatomic) BOOL fResumeOnWake;
+@property(nonatomic, strong, readonly) NSString* hashString;
 
 - (void)renameFinished:(BOOL)success
                  nodes:(NSArray<FileListNode*>*)nodes
@@ -739,7 +740,7 @@ bool trashDataFile(char const* filename, void* /*user_data*/, tr_error* error)
 
 - (NSString*)hashString
 {
-    return @(tr_torrentView(self.fHandle).hash_string);
+    return _hashString;
 }
 
 - (BOOL)privateTorrent
@@ -1849,6 +1850,7 @@ bool trashDataFile(char const* filename, void* /*user_data*/, tr_error* error)
     }
 
     _fResumeOnWake = NO;
+    _hashString = @(tr_torrentView(self.fHandle).hash_string);
 
     //don't do after this point - it messes with auto-group functionality
     if (!self.magnet)