sdk: fix for invalid npub in InputToProfile()

sdk/input.go

@@ -16,7 +16,11 @@ func InputToProfile(ctx context.Context, input string) *nostr.ProfilePointer {
 	}
 
 	// handle nip19 codes, if that's the case
-	prefix, data, _ := nip19.Decode(input)
+	prefix, data, err := nip19.Decode(input)
+	if err != nil {
+		return nil
+	}
+
 	switch prefix {
 	case "npub":
 		return &nostr.ProfilePointer{PublicKey: data.(nostr.PubKey)}