pk.Option improvement

server/auth/pubkey.go

@@ -17,7 +17,7 @@ type PublicKey struct {
 	Signature []byte
 }
 
-func (p *PublicKey) WriteTo(w io.Writer) (n int64, err error) {
+func (p PublicKey) WriteTo(w io.Writer) (n int64, err error) {
 	pubKeyEncoded, err := x509.MarshalPKIXPublicKey(p.PubKey)
 	if err != nil {
 		return 0, err

server/login.go

@@ -64,8 +64,8 @@ func (d *MojangLoginHandler) AcceptLogin(conn *net.Conn, protocol int32) (name s
 	}
 
 	var (
-		pubKey      pk.Option[auth.PublicKey]
-		profileUUID pk.Option[pk.UUID] // ignored
+		pubKey      pk.Option[auth.PublicKey, *auth.PublicKey]
+		profileUUID pk.Option[pk.UUID, *pk.UUID] // ignored
 	)
 	err = p.Scan(
 		(*pk.String)(&name), // decode username as pk.String