login method Null safety

dynamic login(
  1. {required String password,
  2. required String address}
)

Implementation

login({required String password, required String address}) async {
  // Set status to loading
  change(null, status: RxStatus.loading());

  // Login
  try {
    final res =
        await MotorFlutter.to.login(password: password, address: address);
    // Set whois
    change(res, status: RxStatus.success());
  } catch (e) {
    change(null, status: RxStatus.error("Internal Error - Failed to login"));
    return;
  }
}