processSale method

@override Future<SaleResponse> processSale(SaleRequest request)

Process a sale transaction

Implementation

@override
Future<SaleResponse> processSale(SaleRequest request) async {
  final result = await methodChannel.invokeMethod<Map<dynamic, dynamic>>(
    'processSale',
    request.toMap(),
  );
  return SaleResponse.fromMap(Map<String, dynamic>.from(result ?? {}));
}