internal void ParseFromMarketOrderPriceZero(OrderSide side)
{
var order = new OrderUpdate(
orderId: 0,
tradeId: 0,
orderType: Market,
orderStatus: New,
createdTimestamp: 0,
setPrice: 0.4M,
side: side,
pair: TradingPair.Parse("EOSETH"),
setQuantity: 40M)
{
AverageFilledPrice = 0M,
FilledQuantity = 10M,
};
var exec = TradeExecution.FromOrder(order);
Assert.Equal(exec.From.Locked, decimal.Zero);
if (side == OrderSide.Sell)
{
Assert.Equal(10M, exec.From.Free);
Assert.Equal(decimal.Zero, exec.To.Free);
}
else
{
Assert.Equal(decimal.Zero, exec.From.Free);
Assert.Equal(10M, exec.To.Free);
}
Assert.Equal(exec.To.Locked, decimal.Zero);
}
public void ToExternalOrderSideConversion(OrderSide side)
{
Binance.Net.Objects.OrderSide converted = BinanceUtilities.ToExternal(side);
Binance.Net.Objects.OrderSide check = side == OrderSide.Buy
? Binance.Net.Objects.OrderSide.Buy
: Binance.Net.Objects.OrderSide.Sell;
Assert.Equal(converted, check);
}
/// <summary>
/// Convert SpreadShare.Models to Binance.Net.
/// </summary>
/// <param name="side">SpreadShare.Models.OrderSide.</param>
/// <returns>Binance.Net.OrderSide.</returns>
public static Binance.Net.Objects.OrderSide ToExternal(OrderSide side)
{
switch (side)
{
case OrderSide.Buy:
return(Binance.Net.Objects.OrderSide.Buy);
case OrderSide.Sell:
return(Binance.Net.Objects.OrderSide.Sell);
default:
throw new ArgumentException($"{side} not a known order side");
}
}
internal void ParseFromMarketCancelledOrderInvalid(OrderSide side)
{
var order = new OrderUpdate(
orderId: 0,
tradeId: 0,
orderType: Market,
orderStatus: Cancelled,
createdTimestamp: 0,
setPrice: 0.2M,
side: side,
pair: TradingPair.Parse("EOSETH"),
setQuantity: 100M);
Assert.Throws <ArgumentException>(() => TradeExecution.FromOrder(order));
}
internal void ParseFromMarketFilled(OrderSide side)
{
var order = new OrderUpdate(
orderId: 0,
tradeId: 0,
orderType: Market,
orderStatus: Filled,
createdTimestamp: 0,
setPrice: 0.2M,
side: side,
pair: TradingPair.Parse("EOSETH"),
setQuantity: 100M);
var exec = TradeExecution.FromOrder(order);
// Assert that the order is calculated as a complete market order
Assert.NotEqual(exec.From.Symbol, exec.To.Symbol);
Assert.Equal(0M, exec.From.Locked);
Assert.Equal(0M, exec.To.Locked);
}
internal void ParseFromMarketOrderForeignCommission(OrderSide side)
{
var order = new OrderUpdate(
orderId: 0,
tradeId: 0,
orderType: OrderUpdate.OrderTypes.Market,
orderStatus: Filled,
createdTimestamp: 0,
setPrice: 0.2M,
side: side,
pair: TradingPair.Parse("EOSETH"),
setQuantity: 100M)
{
FilledQuantity = 100M,
AverageFilledPrice = 0.15M,
LastFillIncrement = 100M,
LastFillPrice = 0.15M,
Commission = 42.69M,
CommissionAsset = new Currency("BNB"),
};
var exec = TradeExecution.FromOrder(order);
if (side == OrderSide.Buy)
{
Assert.Equal(100M * 0.15M, exec.From.Free);
Assert.Equal(100M, exec.To.Free);
}
else
{
Assert.Equal(100M, exec.From.Free);
Assert.Equal(100M * 0.15M, exec.To.Free);
}
Assert.Equal(0, exec.To.Locked);
Assert.Equal(0, exec.From.Locked);
}
internal void ParseFromLimitFilledDifferentPrice(OrderSide side)
{
var order = new OrderUpdate(
orderId: 0,
tradeId: 0,
orderType: Limit,
orderStatus: Filled,
createdTimestamp: 0,
setPrice: 0.2M,
side: side,
pair: TradingPair.Parse("EOSETH"),
setQuantity: 100M)
{
FilledQuantity = 100M,
AverageFilledPrice = 0.15M,
LastFillIncrement = 100M,
LastFillPrice = 0.15M,
};
var exec = TradeExecution.FromOrder(order);
Assert.Equal(0M, exec.From.Free);
if (side == OrderSide.Buy)
{
// Allocation was locked using the set price, and should be freed as such
Assert.Equal(100M * 0.2M, exec.From.Locked);
Assert.Equal(100M, exec.To.Free);
}
else
{
Assert.Equal(100M, exec.From.Locked);
Assert.Equal(100M * 0.15M, exec.To.Free);
}
Assert.Equal(0, exec.To.Locked);
}
private static OrderUpdate IsSide(this OrderUpdate order, OrderSide side)
=> order.Side == side
? order
: throw new UnexpectedOrderSideException(
$"Order {order.OrderId} has unexpected side, expected {side}, got {order.Side}");
/// <inheritdoc />
public override ResponseObject <OrderUpdate> PlaceLimitOrder(TradingPair pair, OrderSide side, decimal quantity, decimal price, long tradeId)
{
// Add the order to the watchlist
OrderUpdate order = new OrderUpdate(
_mockOrderCounter++,
tradeId,
OrderUpdate.OrderStatus.New,
OrderUpdate.OrderTypes.Limit,
Timer.CurrentTime.ToUnixTimeMilliseconds(),
price,
side,
pair,
quantity);
// Add to order cache to confirm placement
_orderCache.Enqueue(order);
// Add to watch list to check if filled
WatchList.Add(order.OrderId, order);
return(new ResponseObject <OrderUpdate>(ResponseCode.Success, order));
}
/// <inheritdoc />
public override ResponseObject <OrderUpdate> ExecuteMarketOrder(TradingPair pair, OrderSide side, decimal quantity, long tradeId)
{
decimal priceEstimate = _dataProvider.GetCurrentPriceTopBid(pair).Data;
var order = new OrderUpdate(
_mockOrderCounter++,
tradeId,
OrderUpdate.OrderStatus.Filled,
OrderUpdate.OrderTypes.Market,
Timer.CurrentTime.ToUnixTimeMilliseconds(),
priceEstimate,
side,
pair,
quantity)
{
AverageFilledPrice = priceEstimate,
FilledQuantity = quantity,
FilledTimestamp = Timer.CurrentTime.ToUnixTimeMilliseconds(),
};
// Add to order cache to confirm filled
_orderCache.Enqueue(order);
// Write the trade to the logger
LogOrder(order);
return(new ResponseObject <OrderUpdate>(
ResponseCode.Success,
order));
}
/// <inheritdoc />
public override ResponseObject <OrderUpdate> PlaceStoplossOrder(TradingPair pair, OrderSide side, decimal quantity, decimal price, long tradeId)
{
// Add the order to the watchlist
OrderUpdate order = new OrderUpdate(
orderId: _mockOrderCounter++,
tradeId: tradeId,
orderStatus: OrderUpdate.OrderStatus.New,
orderType: OrderUpdate.OrderTypes.StopLoss,
createdTimestamp: Timer.CurrentTime.ToUnixTimeMilliseconds(),
setPrice: 0,
side: side,
pair: pair,
setQuantity: quantity)
{
StopPrice = price,
};
// Add to order cache to confirm placement.
_orderCache.Enqueue(order);
// Add to watchlist to check if filled
WatchList.Add(order.OrderId, order);
return(new ResponseObject <OrderUpdate>(ResponseCode.Success, order));
}
public void ToInternalOrderSideConversion(Binance.Net.Objects.OrderSide side)
{
OrderSide converted = BinanceUtilities.ToInternal(side);
Assert.Equal(converted, side == Binance.Net.Objects.OrderSide.Buy ? OrderSide.Buy : OrderSide.Sell);
}
/// <inheritdoc />
public override ResponseObject <OrderUpdate> ExecuteMarketOrder(TradingPair pair, OrderSide side, decimal quantity, long tradeId)
{
var client = _communications.Client;
var realQuantity = pair.RoundToTradable(quantity);
// Attempt to place the order on Binance
var query = client.PlaceOrder(
symbol: pair.ToString(),
side: BinanceUtilities.ToExternal(side),
type: OrderType.Market,
quantity: realQuantity,
newClientOrderId: null,
price: null,
timeInForce: null,
stopPrice: null,
icebergQty: null,
orderResponseType: null,
(int)_communications.ReceiveWindow);
// Report failure of placing market order
if (!query.Success)
{
Logger.LogError($"Placing market order {side} {realQuantity} {pair.Left} failed! --> {query.Error.Message}");
return(new ResponseObject <OrderUpdate>(ResponseCode.Error, query.Error.Message));
}
var order = query.Data;
// Create an order update with known information
OrderUpdate result = new OrderUpdate(
orderId: order.OrderId,
tradeId: tradeId,
orderStatus: OrderUpdate.OrderStatus.Filled,
orderType: BinanceUtilities.ToInternal(order.Type),
createdTimestamp: DateTimeOffset.Now.ToUnixTimeMilliseconds(),
setPrice: 0, // This information is unknown for market orders
side: side,
pair: pair,
setQuantity: realQuantity)
{
FilledQuantity = order.ExecutedQuantity,
FilledTimestamp = DateTimeOffset.Now.ToUnixTimeMilliseconds(),
AverageFilledPrice = HelperMethods.SafeDiv(order.CummulativeQuoteQuantity, order.ExecutedQuantity),
};
return(new ResponseObject <OrderUpdate>(ResponseCode.Success, result));
}
/// <inheritdoc />
public override ResponseObject <OrderUpdate> PlaceStoplossOrder(TradingPair pair, OrderSide side, decimal quantity, decimal price, long tradeId)
{
var client = _communications.Client;
decimal limitPrice;
if (side == OrderSide.Sell)
{
// Set the limit price extremely low -> sell immediately for the best price.
// 5% is an arbitrary number that is probably more than the spread, but is not
// rejected by Binance for deviating too much from the current price.
limitPrice = price * 0.95M;
}
else
{
// Skew the quantity and the price -> buy immediately for the best price.
// Quantity must scale inverse because (quantity * price) is the amount that needs to
// be locked. You cannot lock more assets than you have.
// 2% is hardcoded on purpose because it is unlikely to change.
limitPrice = price * 1.02M;
quantity /= 1.02M;
}
var realQuantity = pair.RoundToTradable(quantity);
var realLimitPrice = pair.RoundToPriceable(limitPrice);
var realStopPrice = pair.RoundToPriceable(price);
lock (_orderCache)
{
var query = client.PlaceOrder(
symbol: pair.ToString(),
side: BinanceUtilities.ToExternal(side),
type: OrderType.StopLossLimit,
quantity: realQuantity,
newClientOrderId: null,
price: realLimitPrice,
timeInForce: TimeInForce.GoodTillCancel,
stopPrice: realStopPrice,
icebergQty: null,
orderResponseType: null,
receiveWindow: (int)_communications.ReceiveWindow);
if (query.Success)
{
var order = new OrderUpdate(
query.Data.OrderId,
tradeId,
OrderUpdate.OrderStatus.New,
OrderUpdate.OrderTypes.StopLoss,
DateTimeOffset.Now.ToUnixTimeMilliseconds(),
realLimitPrice,
side,
pair,
realQuantity)
{
StopPrice = realStopPrice,
};
// Enter middleware instance to make sure this order is
// also converted to a stoploss order when the exchange reports updates.
_transformMiddleWare.Add(order.OrderId, x => x.OrderType = OrderUpdate.OrderTypes.StopLoss);
return(new ResponseObject <OrderUpdate>(order));
}
return(ResponseObject.OrderPlacementFailed(BinanceUtilities.ToInternalError(query.Error.Code), query.Error.Message));
}
}
/// <inheritdoc />
public override ResponseObject <OrderUpdate> PlaceLimitOrder(TradingPair pair, OrderSide side, decimal quantity, decimal price, long tradeId)
{
var client = _communications.Client;
var realQuantity = pair.RoundToTradable(quantity);
var realPrice = pair.RoundToPriceable(price);
var query = client.PlaceOrder(
symbol: pair.ToString(),
side: BinanceUtilities.ToExternal(side),
type: OrderType.Limit,
quantity: realQuantity,
newClientOrderId: null,
price: realPrice,
timeInForce: TimeInForce.GoodTillCancel,
stopPrice: null,
icebergQty: null,
orderResponseType: null,
receiveWindow: (int)_communications.ReceiveWindow);
return(query.Success
? new ResponseObject <OrderUpdate>(
ResponseCode.Success,
new OrderUpdate(
query.Data.OrderId,
tradeId,
OrderUpdate.OrderStatus.New,
OrderUpdate.OrderTypes.Limit,
DateTimeOffset.Now.ToUnixTimeMilliseconds(),
realPrice,
side,
pair,
realQuantity))
: ResponseObject.OrderPlacementFailed(BinanceUtilities.ToInternalError(query.Error.Code), query.Error.Message));
}
