/// <summary>
/// If an invalid card number is presented the card will always be rejected.
/// Otherwide every request is authorized regardless of available credit.
/// </summary>
///
/// <param name="amt">The amount to charge.</param>
/// <param name="number">The card number to charge.</param>
/// <returns>A unique token tied to the transaction if the charge is allowed, or null if it is not.</returns>
public String Authorize(double amt, String number)
{
String result = null;
try {
if (creditCardValidator.ValidateCardNumber(number))
{
result = System.Guid.NewGuid().ToString();
}
}
catch (NullReferenceException) {
// Do nothing, null will be returned as a failure to purchase.
}
return(result);
}
/// <summary>
/// If an invalid card number is presented the card will always be rejected.
/// Otherwide the odds are fifty-fifty that a charge to a credit cards is approved. Randomness
/// is the foundation of our bank, so if we give you credit or not just depends on a roll of the dice.
/// </summary>
/// <param name="number">The card number to charge.</param>
/// <param name="name">The name on the card.</param>
/// <param name="expires">The expiration mm/yyyy of the card.</param>
/// <param name="ccv">The credit card verification code.</param>
/// <param name="amount">The amount to charge.</param>
/// <returns>A unique token tied to the transaction if the charge is allowed, or null if it is not.</returns>
public string Submit(string number, string name, string expires, string ccv, Decimal amount)
{
string result = null;
try {
if (creditCardValidator.ValidateCardNumber(number) && (new Random()).Next(0, 2) < 0.5)
{
result = System.Guid.NewGuid().ToString();
}
}
catch (NullReferenceException) {
// Do nothing, null will be returned as a failure to purchase.
}
return(result);
}