transactionStatus method Null safety

Future<BankReponse> transactionStatus(
  1. {required String referenceNumber,
  2. required String accessToken}
)

transactionStatus checks the status of a previous transaction with this referenceNumber

Implementation

Future<BankReponse> transactionStatus({
  required String referenceNumber,
  required String accessToken,
})async{
  Map<String, String> _header ={
    'content-type': 'application/json',
    'Authorization': 'Bearer $accessToken'
  };

  Map<String, dynamic> _payload = {
    'MessageReference': referenceNumber
  };

  try {
    return await pesalinkProcessTransaction(transactionStatusUrl, _header, _payload, applicationMode);
  } catch (e) {
    rethrow;
  }

}