From 08b07227eb739187935f4b79afc4a9da03a118c0 Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@gmail.com>
Date: Wed, 8 Nov 2023 18:51:23 -0300
Subject: [PATCH] fix getParentNevent()

this would panic if we didn\'t have any relays in data.relays for the child.
but also I think it wasn't a good idea to give spurious hints in the nevent.
either we have good hints or we don't.
---
 data.go  |  2 +-
 utils.go | 12 ++++--------
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/data.go b/data.go
index 2ca8aee..bacbbfe 100644
--- a/data.go
+++ b/data.go
@@ -211,7 +211,7 @@ func grabData(ctx context.Context, code string, isProfileSitemap bool) (*Data, e
 	case 1, 7, 30023, 30024:
 		data.templateId = Note
 		data.content = event.Content
-		if parentNevent := getParentNevent(event, data.relays[0]); parentNevent != "" {
+		if parentNevent := getParentNevent(event); parentNevent != "" {
 			data.parentLink = template.HTML(replaceNostrURLsWithTags(nostrNoteNeventMatcher, "nostr:"+parentNevent))
 		}
 	case 6:
diff --git a/utils.go b/utils.go
index af5d2d6..3f61e20 100644
--- a/utils.go
+++ b/utils.go
@@ -175,19 +175,15 @@ func getPreviewStyle(r *http.Request) Style {
 	}
 }
 
-func getParentNevent(event *nostr.Event, fallbackRelay string) string {
+func getParentNevent(event *nostr.Event) string {
 	parentNevent := ""
 	replyTag := nip10.GetImmediateReply(event.Tags)
 	if replyTag != nil {
-		relay := ""
+		var relays []string
 		if (len(*replyTag) > 2) && ((*replyTag)[2] != "") {
-			relay = (*replyTag)[2]
-		} else if fallbackRelay != "" {
-			relay = fallbackRelay
-		} else {
-			relay = getRandomRelay()
+			relays = []string{(*replyTag)[2]}
 		}
-		parentNevent, _ = nip19.EncodeEvent((*replyTag)[1], []string{relay}, "")
+		parentNevent, _ = nip19.EncodeEvent((*replyTag)[1], relays, "")
 	}
 	return parentNevent
 }