nip60: dropping a token.

nip60/drop.go

@@ -0,0 +1,34 @@
+package nip60
+
+import (
+	"context"
+
+	"fiatjaf.com/nostr"
+)
+
+// DropToken silently abandons a token
+func (w *Wallet) DropToken(
+	ctx context.Context,
+	tokenID string,
+) {
+	updatedTokens := make([]Token, 0, len(w.Tokens))
+
+	for _, token := range w.Tokens {
+		if token.ID() == tokenID {
+			deleteEvent := nostr.Event{
+				CreatedAt: nostr.Now(),
+				Kind:      5,
+				Tags:      nostr.Tags{{"e", token.event.ID.Hex()}, {"k", "7375"}},
+			}
+			w.kr.SignEvent(ctx, &deleteEvent)
+
+			w.Lock()
+			w.PublishUpdate(deleteEvent, &token, nil, nil, false)
+			w.Unlock()
+		} else {
+			updatedTokens = append(updatedTokens, token)
+		}
+	}
+
+	w.Tokens = updatedTokens
+}