Recurso adicional del curso de Flutter Avanzado

tarjeta_credito.dart

import 'package:meta/meta.dart';

class TarjetaCredito {
  final String cardNumberHidden;
  final String cardNumber;
  final String brand;
  final String cvv;
  final String expiracyDate;
  final String cardHolderName;

  TarjetaCredito({
    @required this.cardNumberHidden,
    @required this.cardNumber,
    @required this.brand,
    @required this.cvv,
    @required this.expiracyDate,
    @required this.cardHolderName
  });
}

tarjetas.dart

import '../models/tarjeta_credito.dart';

final List<TarjetaCredito> tarjetas = <TarjetaCredito>[
    TarjetaCredito(
      cardNumberHidden: '4242',
      cardNumber: '4242424242424242',
      brand: 'visa',
      cvv: '213',
      expiracyDate: '01/25',
      cardHolderName: 'Fernando Herrera'
    ),
    TarjetaCredito(
      cardNumberHidden: '5555',
      cardNumber: '5555555555554444',
      brand: 'mastercard',
      cvv: '213',
      expiracyDate: '01/25',
      cardHolderName: 'Melissa Flores'
    ),
    TarjetaCredito(
      cardNumberHidden: '3782',
      cardNumber: '378282246310005',
      brand: 'american express',
      cvv: '2134',
      expiracyDate: '01/25',
      cardHolderName: 'Eduardo Rios'
    ),
    
  ];

Stripe Docs:
Stripe Documentation - Testing Cards