transaction method
Implementation
Future<OtpPromise> transaction(String phone) async {
final obj = await FiaPlatform.instance.otp('transaction', phone);
return OtpPromise(obj);
}
Future<OtpPromise> transaction(String phone) async {
final obj = await FiaPlatform.instance.otp('transaction', phone);
return OtpPromise(obj);
}