public void TestLuhn()
{
var accountNumber = "000001";
var accNumberWithLuhn = ClsLuhnLibrary.WithLuhn_Base10(accountNumber);
Assert.That(accNumberWithLuhn.EndsWith("8"));
var isValid = ClsLuhnLibrary.CheckLuhn_Base10(accNumberWithLuhn);
Assert.That(isValid);
}
public async Task <string> GetNextValue(NumberRangeType rangeType)
{
var nextValue = await GetLastValue(rangeType) + 1;
while (await Exists(nextValue, rangeType))
{
nextValue = await GetLastValue(rangeType) + 1;
}
var numberRange = await GetNumberRange(rangeType);
numberRange.LastValue = nextValue;
await _db.SaveChangesAsync();
var paddedNextVal = nextValue.ToString($"D{numberRange.RangeEnd.ToString().Length}");
var nextValWithLuhn = ClsLuhnLibrary.WithLuhn_Base10(paddedNextVal);
return(nextValWithLuhn);
}
public byte[] GenerateLuhnCodeSlxLuhnLibrary() => Encoding.ASCII.GetBytes(ClsLuhnLibrary.WithLuhn_Base10(Encoding.ASCII.GetString(CardCode)));