public async Task <IActionResult> Kyc()
{
var user = await GetUser(required : true);
// get kyc request url and check the status
string kycRequestUrl = null;
string kycRequestStatus = null;
var kycRequest = _context.KycRequests.Where(r => r.ApplicationUserId == user.Id).OrderByDescending(r => r.Date).FirstOrDefault();
if (kycRequest != null)
{
kycRequestUrl = $"{_kycSettings.KycServerUrl}/request/{kycRequest.Token}";
var _model = await RestUtils.CheckKycRequest(_logger, _context, _userManager, _kycSettings, user.Id, kycRequest.Token);
if (_model != null)
{
kycRequestStatus = _model.Status;
}
}
// get users kyc level
var levelNum = user.Kyc != null ? user.Kyc.Level : 0;
KycLevel level = null;
if (_kycSettings.Levels.Count > levelNum)
{
level = _kycSettings.Levels[levelNum];
}
var withdrawalTotalThisPeriod = user.WithdrawalTotalThisPeriod(_kycSettings);
// convert withdrawal amount to string
var withdrawalTotalThisPeriodString = _walletProvider.AmountToString(_kycSettings.WithdrawalAsset, withdrawalTotalThisPeriod);
if (withdrawalTotalThisPeriodString == null)
{
withdrawalTotalThisPeriodString = withdrawalTotalThisPeriod.ToString();
}
var model = new KycViewModel
{
User = user,
LevelNum = levelNum,
Level = level,
WithdrawalTotalThisPeriod = withdrawalTotalThisPeriodString,
KycSettings = _kycSettings,
KycRequestUrl = kycRequestUrl,
KycRequestStatus = kycRequestStatus,
};
return(View(model));
}
protected (bool success, decimal withdrawalAssetAmount, string error) ValidateWithdrawlLimit(ApplicationUser user, string asset, decimal amount)
{
var withdrawalTotalThisPeriod = user.WithdrawalTotalThisPeriod(_kycSettings);
var withdrawalAssetAmount = CalculateWithdrawalAssetEquivalent(_logger, _kycSettings, asset, amount);
var newWithdrawalTotal = withdrawalTotalThisPeriod + withdrawalAssetAmount;
var kycLevel = _kycSettings.Levels[0];
if (user.Kyc != null && user.Kyc.Level < _kycSettings.Levels.Count)
{
kycLevel = _kycSettings.Levels[user.Kyc.Level];
}
if (decimal.Parse(kycLevel.WithdrawalLimit) <= newWithdrawalTotal)
{
var withdrawalTotalThisPeriodString = _walletProvider.AmountToString(_kycSettings.WithdrawalAsset, withdrawalTotalThisPeriod);
if (withdrawalTotalThisPeriodString == null)
{
withdrawalTotalThisPeriodString = withdrawalTotalThisPeriod.ToString();
}
return(false, 0,
$"Your withdrawal limit is {kycLevel.WithdrawalLimit} {_kycSettings.WithdrawalAsset} equivalent, your current withdrawal total this period ({_kycSettings.WithdrawalPeriod}) is {withdrawalTotalThisPeriodString} {_kycSettings.WithdrawalAsset}");
}
return(true, withdrawalAssetAmount, null);
}
