private void OnGraphUpdate(PriceDTO val)
{
var item = new GraphItem { Value = (double)val.Price, Time = val.TickDate };
var key = val.MarketId.ToString();
PriceGraph.AddItem(key, item);
PriceGraphSingle.AddItem(key, item);
}
/// <summary>
///
/// </summary>
/// <param name="target"></param>
/// <param name="source"></param>
public static void Populate(PriceDTO target, PriceDTO source)
{
target.AuditId = source.AuditId;
target.Bid = source.Bid;
target.Change = source.Change;
target.Direction = source.Direction;
target.High = source.High;
target.Low = source.Low;
target.MarketId = source.MarketId;
target.Offer = source.Offer;
target.Price = source.Price;
target.StatusSummary = source.StatusSummary;
target.TickDate = source.TickDate;
}
public ApiTradeOrderResponseDTO Trade(PriceDTO price, Direction direction)
{
AccountInformationResponseDTO accountInfo = _client.AccountInformation.GetClientAndTradingAccount();
int tradingAccountId = GetTradingAccountId(_client, price.MarketId, accountInfo);
var request = new NewTradeOrderRequestDTO
{
MarketId = price.MarketId,
Direction = direction.ToString().ToLower(),
Quantity = Quantity,
BidPrice = price.Bid,
OfferPrice = price.Offer,
AuditId = price.AuditId,
TradingAccountId = tradingAccountId,
AutoRollover = false
};
ApiTradeOrderResponseDTO response = _client.TradesAndOrders.Trade(request);
return response;
}
public abstract void ProcessTick(PriceDTO price);
public ApiTradeOrderResponseDTO OpenPosition(PriceDTO price)
{
return Trade(price, Direction.buy);
}
public ApiTradeOrderResponseDTO ClosePostion(PriceDTO price)
{
return Trade(price, Direction.sell);
}
private void OnGraphUpdate(PriceDTO val)
{
// NOTE this code is a temporary workaround until datetime bug is fixed
var ticksString = val.TickDate.Substring(7, val.TickDate.Length - 10);
var time = new DateTime(1970, 1, 1, 0, 0, 0, 0).AddMilliseconds(Int64.Parse(ticksString));
var item = new GraphItem { Value = (double)val.Price, Time = time };
var key = val.MarketId.ToString();
PriceGraph.AddItem(key, item);
PriceGraphSingle.AddItem(key, item);
}
private void UpdateUi(PriceDTO data)
{
_logic.ProcessTick(data);
if (_logic.PositionIsOpen)
{
StatusLabel.Text = "position is open.";
}
else
{
StatusLabel.Text = "no position.";
}
if (_logic.BidPending)
{
StatusLabel.Text = StatusLabel.Text + " sell is pending...";
}
else if (_logic.OfferPending)
{
StatusLabel.Text = StatusLabel.Text + " buy is pending...";
}
}
public override void ProcessTick(PriceDTO price)
{
if (PositionIsOpen)
{
// check to see if we should start thinking about selling
if (BidPending)
{
// we are now waiting for the price to stop rising so we can sell.
// hopefully it does not plummet past the sell trigger
if (price.Bid >= BidPrice)
{
if (price.Bid >= LastBidPrice)
{
// still rising, lets wait...
LastBidPrice = price.Bid;
}
else
{
// price is no longer rising but is still above our trigger so
// SELL SELL SELL
ClosePostion(price);
BidPending = false;
LastBidPrice = 0;
PositionIsOpen = false;
}
}
else
{
// it has fallen and we need to stand down
BidPending = false;
LastBidPrice = 0;
}
}
else
{
if (price.Bid >= BidPrice)
{
// get ready to sell
LastBidPrice = price.Bid;
BidPending = true;
}
}
}
else
{
// check to see if we should start thinking about buying
if (OfferPending)
{
// we saw the price equal or less than to our trigger price at some time
// in the past and we are going to be greedy and wait until it stops falling
if (price.Offer <= OfferPrice)
{
// is the current price still falling? this is where some fluctuation can be tolerated by complex logic
if (price.Offer < LastOfferPrice)
{
// yes, just let it fall
LastOfferPrice = price.Offer;
}
else
{
// no, it is rising, time to buy
OpenPosition(price);
OfferPending = false;
PositionIsOpen = true;
LastOfferPrice = 0;
}
}
else
{
// the price has risen above our trigger price since last tick, cancel pending buy
OfferPending = false;
LastOfferPrice = 0;
}
}
else
{
// if the price falls below our offer then go on alert and wait for it to stop falling and then buy
if (price.Offer <= OfferPrice)
{
LastOfferPrice = price.Offer;
OfferPending = true;
}
}
}
}
private int Trade(Client client, AccountInformationResponseDTO accountInfo, int marketId, PriceDTO price,
decimal quantity, string direction, IEnumerable<int> closeOrderIds)
{
var tradeRequest = new NewTradeOrderRequestDTO
{
MarketId = marketId,
Quantity = quantity,
Direction = direction,
TradingAccountId = accountInfo.SpreadBettingAccount.TradingAccountId,
AuditId = price.AuditId,
BidPrice = price.Bid,
OfferPrice = price.Offer,
Close = closeOrderIds.ToArray(),
};
var resp = client.TradesAndOrders.Trade(tradeRequest);
if (resp.OrderId == 0)
{
client.MagicNumberResolver.ResolveMagicNumbers(resp);
var message = GetResponseDescription(resp);
throw new ApplicationException(message);
}
return resp.OrderId;
}