stop sending npubs to relays and use hints when fetching notes.

nostr.go

@@ -121,12 +121,17 @@ func getEvent(ctx context.Context, code string) (*nostr.Event, error) {
 	return nil, fmt.Errorf("couldn't find this %s", prefix)
 }
 
-func getLastNotes(ctx context.Context, pubkey string) ([]nostr.Event, error) {
+func getLastNotes(ctx context.Context, code string) []*nostr.Event {
+	pp := sdk.InputToProfile(ctx, code)
+	if pp == nil {
+		return nil
+	}
+
 	ctx, cancel := context.WithTimeout(ctx, time.Millisecond*1500)
 	defer cancel()
 
-	relays := make([]string, 0, 20)
-	for _, relay := range sdk.FetchRelaysForPubkey(ctx, pool, pubkey, relays...) {
+	relays := pp.Relays
+	for _, relay := range sdk.FetchRelaysForPubkey(ctx, pool, pp.PublicKey, pp.Relays...) {
 		if relay.Outbox {
 			relays = append(relays, relay.URL)
 		}
@@ -140,13 +145,13 @@ func getLastNotes(ctx context.Context, pubkey string) ([]nostr.Event, error) {
 	events := pool.SubManyEose(ctx, relays, nostr.Filters{
 		{
 			Kinds:   []int{nostr.KindTextNote},
-			Authors: []string{pubkey},
+			Authors: []string{pp.PublicKey},
 			Limit:   20,
 		},
 	})
-	lastNotes := make([]nostr.Event, 0, 20)
+	lastNotes := make([]*nostr.Event, 0, 20)
 	for event := range events {
-		lastNotes = append(lastNotes, *event)
+		lastNotes = append(lastNotes, event)
 	}
-	return lastNotes, nil
+	return lastNotes
 }

render.go

@@ -71,7 +71,7 @@ func render(w http.ResponseWriter, r *http.Request) {
 
 	if event.Kind == 0 {
 		typ = "profile"
-		thisLastNotes, err := getLastNotes(r.Context(), code)
+		thisLastNotes := getLastNotes(r.Context(), code)
 		lastNotes = make([]Event, len(thisLastNotes))
 		for i, n := range thisLastNotes {
 			this_nevent, _ := nip19.EncodeEvent(n.ID, []string{}, n.PubKey)
@@ -80,7 +80,7 @@ func render(w http.ResponseWriter, r *http.Request) {
 				Nevent:       this_nevent,
 				Content:      n.Content,
 				CreatedAt:    this_date,
-				ParentNevent: findParentNevent(&n),
+				ParentNevent: getParentNevent(n),
 			}
 		}
 		if err != nil {
@@ -93,7 +93,7 @@ func render(w http.ResponseWriter, r *http.Request) {
 			typ = "note"
 			note, _ = nip19.EncodeNote(event.ID)
 			content = event.Content
-			parentNevent = findParentNevent(event)
+			parentNevent = getParentNevent(event)
 		} else if event.Kind == 6 {
 			typ = "note"
 			if reposted := event.Tags.GetFirst([]string{"e", ""}); reposted != nil {

utils.go

@@ -181,7 +181,7 @@ func getPreviewStyle(r *http.Request) string {
 	}
 }
 
-func findParentNevent(event *nostr.Event) string {
+func getParentNevent(event *nostr.Event) string {
 	parentNevent := ""
 	replyTag := nip10.GetImmediateReply(event.Tags)
 	if replyTag != nil {