cake_wallet/lib/ionia/ionia_tip.dart

class IoniaTip {
  const IoniaTip({
    required this.originalAmount,
    required this.percentage,
    this.isCustom = false});

  final double originalAmount;
  final double percentage;
  final bool isCustom;
  
  double get additionalAmount => double.parse((originalAmount * percentage / 100).toStringAsFixed(2));

  static const tipList = [
    IoniaTip(originalAmount: 0, percentage: 0),
    IoniaTip(originalAmount: 10, percentage: 10),
    IoniaTip(originalAmount: 20, percentage: 20)
  ];
}