receipt method
Fetches an earlier transaction's e-receipt.
Implementation
@override
Future<EcrReceipt> receipt(EcrRequest request) => _invoke<EcrReceipt>(
method: EcrMethods.receipt,
request: request,
decode: (Object? payload) =>
EcrCodec.receipt(payload, operationId: request.operationId),
onHostError: (EcrFailure failure) =>
EcrReceiptFailed(merchantReference: '', failure: failure),
);