public override IEnumerable <AlertDTO> Compute(IEnumerable <BidEntry> orders, ApiConfiguration config)
{
var foundOrders = new List <AlertDTO>();
var aliveOrders = orders.Where(o => o.Alive).ToList();
var threshold = aliveOrders.Sum(o => o.AcceptedSpeed) * config.AcceptedPercentThreshold;
var orderedOrders = aliveOrders.OrderByDescending(o => o.Price).ToList();
var currentAcceptedSpeed = 0d;
BidEntry benchmarkOrder = null;
foreach (var order in orderedOrders)
{
if (currentAcceptedSpeed + order.AcceptedSpeed >= threshold)
{
benchmarkOrder = order;
break;
}
currentAcceptedSpeed += order.AcceptedSpeed;
}
if (benchmarkOrder == null)
{
return(foundOrders);
}
foreach (var order in aliveOrders)
{
if (order.Price >= benchmarkOrder.Price &&
(order.LimitSpeed == 0 || order.LimitSpeed >= config.LimitSpeed) &&
order.AcceptedSpeed >= config.MinimalAcceptedSpeed
)
{
var sig = CreateSignSignature(order);
string conditon;
string message;
if (!PercentageTrack.Contains(sig))
{
PercentageTrack.ConditionEnqueue(sig);
conditon = $"Condition: " +
$"Order Alive ({order.Alive}) AND " +
$"Order Price ({order.Price}) above '{benchmarkOrder.Price}' benchmark Order Price (ID: {benchmarkOrder.NiceHashId}) AND " +
$"(Order Speed Limit ({order.LimitSpeed}) = 0 OR Order Speed Limit ({order.LimitSpeed}) >= '{config.LimitSpeed}') AND " +
$"Order Accepted Speed ({order.AcceptedSpeed}) >= {config.MinimalAcceptedSpeed}. ";
message = $"SUSPICIOUS BID Percentage ALERT - an attack may be about to begin. {CreateMessage(order)}. ";
}
else
{
conditon = string.Empty;
message = $"SUSPICIOUS BID Progress - {CreateMessageForProgress(order)}. ";
}
foundOrders.Add(new AlertDTO()
{
BidEntry = order,
Condition = conditon,
Message = message
});
}
}
return(foundOrders);
}
protected string CreateMessage(BidEntry order)
{
var speedLimit = order.LimitSpeed == 0 ? "NO" : order.LimitSpeed.ToString(CultureInfo.InvariantCulture);
return($"{CreateShortIsProfitableMessage(order.Price)} {order.AcceptedSpeed} MSol DELIVERED AT {order.RecordDate:G} WITH {speedLimit} LIMIT, PAYING {order.Price} ON ORDER ID {order.NiceHashId} AT {_locationDict[order.NiceHashDataCenter]} SERVER");
}
protected string CreateMessageForProgress(BidEntry order)
{
return($"{order.AcceptedSpeed} MSol DELIVERED, ID {order.NiceHashId} AT {_locationDict[order.NiceHashDataCenter]} SERVER");
}
protected string CreateSignSignature(BidEntry entry)
{
return($"{entry.NiceHashId}{entry.NiceHashDataCenter}");
}
