private static decimal CalculatePower(ApiStake stake, ApiFund fund, ApiStakeEvent eventItem)
{
var timeModifier = stake.TimeMultipliers
.SingleOrDefault(tm =>
tm.RangeMin <= eventItem.Lock.Duration.Days &&
tm.RangeMax >= eventItem.Lock.Duration.Days)
?.Multiplier ?? 1m;
var fundModifier = stake.FundMultipliers.ContainsKey(fund.Token.Symbol)
? stake.FundMultipliers[fund.Token.Symbol]
: 1m;
return(eventItem.Lock.Quantity * timeModifier * fundModifier * fund.Nav.PricePerToken);
}
public static decimal CalculatePowerDifference(ApiStake stake, ApiFund fund, IReadOnlyList <ApiStakeEvent> events, ApiStakeEvent eventItem)
{
if (eventItem.Type == StakeEventType.Lockup)
{
return(CalculatePower(stake, fund, eventItem));
}
else
{
var approximateQuantity = eventItem.Release.Quantity + (eventItem.Release.FeeQuantity ?? decimal.Zero);
var items = events
.Where(x => x.Type == StakeEventType.Lockup)
.ToList();
var lockUp = items.Count > 0
? items.Count == 1
? items.Single()
: items
.OrderBy(x => x.ConfirmedAt)
.FirstOrDefault(e => Math.Abs(e.Lock.Quantity - approximateQuantity) <= Precision)
: throw new PermanentException($"No existing lockup data could be found for release event {eventItem.Hash}");
return(-CalculatePower(stake, fund, lockUp));
}
}
