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See https://teamamadis.atlassian.net/wiki/pages/resumedraft.action?draftId=1713274934 on Amadis Wiki for more information about the Refund Service.

Initiate a Refund without Reference Data to an Original Transaction

Expand
titleBelow is an example
on
of how to initiate a refund of 10.00.

Code Block
// Minimal parameter set
TlvTree paymentParams = TlvTree.Empty();

paymentParams.

...

AddEnum(ArkosTags.SelectedService, 

...

PaymentServiceID.Refund);
// Amounts are in BCD. In most cases, all 3 amounts should be the same value.

...

paymentParams.AddBin(ArkosTags.TransactionAmount, new byte[] { 0x00, 0x00, 0x00, 0x00, 0x10, 0x00 });
paymentParams.AddBin(ArkosTags.AmountAuthorised, new byte[] { 0x00, 0x00, 0x00, 0x00, 0x10, 0x00 });
paymentParams.AddBin(ArkosTags.TransactionAmountBeforeAdjustment, new byte[] { 0x00, 0x00, 0x00, 0x00, 0x10, 0x00 });

// The system needs to provide the Date and Time of this transaction, and the local TimeZone
Calendar cal = Calendar.getInstance();
int utcOffsetMinutes = cal.getTimeZone().getOffset(cal.getTimeInMillis()) / 1000 / 60;
byte[] utcOffset = new byte[2];
utcOffset[0] = (byte) (utcOffsetMinutes / 60);
utcOffset[1] = (byte) (utcOffsetMinutes % 60);
paymentParams.AddEMVDate(ArkosTags.TransactionDate, cal.get(Calendar.YEAR) % 100, cal.get(Calendar.MONTH) + 1, cal.get(Calendar.DAY_OF_MONTH));
paymentParams.AddEMVTime(ArkosTags.TransactionTime, cal.get(Calendar.HOUR), cal.get(Calendar.MINUTE), cal.get(Calendar.SECOND));
paymentParams.AddBin(ArkosTags.LocalTimezone, utcOffset);

paymentParams.AddAscii(ArkosTags.SelectedLanguage, "en");

// Call to the doPayment API, sending the Arkos configuration, and parameters as a byte Array
PaymentResult result = arkos.doPayment(configuration, paymentParams.AsBytes());

Initiate a Refund with a Reference to an Original Transaction

...

  • Refund Reference Data may be identical to the Reference Data of the original Service, but this is not mandatory and not checked.

  • Refund Reference Data is not used to retrieve the transaction data of the original Service, but it is stored in the transaction database for the Refund.

Expand
titleBelow is an example
on
of how to initiate a refund of 10.00 with
a
Reference Data 1234567890 to an Original Transaction.

Code Block

...

...

// 

...

Minimal parameter set
TlvTree paymentParams = TlvTree.Empty();

paymentParams.AddEnum(ArkosTags.SelectedService, PaymentServiceID.Refund);
// Amounts are in BCD. In most cases, all 3 amounts should be the same value.
paymentParams.AddBin(ArkosTags.TransactionAmount, new byte[] { 0x00, 0x00, 0x00, 0x00, 0x10, 0x00 });
paymentParams.AddBin(ArkosTags.AmountAuthorised, new byte[] { 0x00, 0x00, 0x00, 0x00, 0x10, 0x00 });
paymentParams.AddBin(ArkosTags.TransactionAmountBeforeAdjustment, new byte[] { 0x00, 0x00, 0x00, 0x00, 0x10, 0x00 });

// The system needs to provide the Date and Time of this transaction, and the local TimeZone
Calendar cal = Calendar.getInstance();
int utcOffsetMinutes = cal.getTimeZone().getOffset(cal.getTimeInMillis()) / 1000 / 60;
byte[] utcOffset = new byte[2];
utcOffset[0] = (byte) (utcOffsetMinutes / 60);
utcOffset[1] = (byte) (utcOffsetMinutes % 60);
paymentParams.AddEMVDate(ArkosTags.TransactionDate, cal.get(Calendar.YEAR) % 100, cal.get(Calendar.MONTH) + 1, cal.get(Calendar.DAY_OF_MONTH));
paymentParams.AddEMVTime(ArkosTags.TransactionTime, cal.get(Calendar.HOUR), cal.get(Calendar.MINUTE), cal.get(Calendar.SECOND));
paymentParams.AddBin(ArkosTags.LocalTimezone, utcOffset);

paymentParams.AddAscii(ArkosTags.SelectedLanguage, "en");

//Adding 

...

an 

...

original 

...

transaction 

...

with 

...

the 

...

reference data as a 

...

child 

...

of 

...

payment params
TlvTree originalTransaction = paymentParams.AddChild(ArkosTags.OriginalTransaction);
originalTransaction.AddEnum(ArkosTags.SelectedService, PaymentServiceID.Payment);
originalTransaction.AddEMVDate(ArkosTags.TransactionDate, cal.get(Calendar.YEAR) % 100, cal.get(Calendar.MONTH) + 1, cal.get(Calendar.DAY_OF_MONTH));
originalTransaction.AddEMVTime(ArkosTags.TransactionTime, cal.get(Calendar.HOUR), cal.get(Calendar.MINUTE), cal.get(Calendar.SECOND));
originalTransaction.AddBin(ArkosTags.LocalTimezone, utcOffset);
originalTransaction.AddAscii(ArkosTags.RefundReferenceData,"1234567890");

// Call to the doPayment API, sending the Arkos configuration, and parameters as a byte Array
PaymentResult result = arkos.doPayment(configuration, paymentParams.AsBytes());

  • As this tag is optional, a check is done on the latter. If the Tag is absent, the original transaction section is not included.

Expand
titleObtained XML :
Code Block
        <OrgnlTx>
          <TxId>
            <TxDtTm>2021-06-15T10:36:45.000+00:00</TxDtTm>
            <TxRef>1234567890</TxRef>
          </TxId>
          <TxTp>CRDP</TxTp>
          <CardDataNtryMd>DFLE</CardDataNtryMd>
        </OrgnlTx