private async Task <OrderInitialParameters> GetOrderInitialParameters(string assetPairId, string legalEntity,
ReportingEquivalentPricesSettings equivalentSettings, string accountAssetId)
{
var fxAssetPairIdAndDirection = _cfdCalculatorService.GetFxAssetPairIdAndDirection(accountAssetId,
assetPairId, legalEntity);
return(new OrderInitialParameters
{
Id = _identityGenerator.GenerateAlphanumericId(),
Code = await _identityGenerator.GenerateIdAsync(nameof(Order)),
Now = _dateService.Now(),
EquivalentPrice = _cfdCalculatorService.GetQuoteRateForQuoteAsset(equivalentSettings.EquivalentAsset,
assetPairId, legalEntity),
FxPrice = _cfdCalculatorService.GetQuoteRateForQuoteAsset(accountAssetId,
assetPairId, legalEntity),
FxAssetPairId = fxAssetPairIdAndDirection.id,
FxToAssetPairDirection = fxAssetPairIdAndDirection.direction,
});
}
private async Task Handle(ExecuteSpecialLiquidationOrderCommand command, IEventPublisher publisher)
{
var executionInfo = await _operationExecutionInfoRepository.GetAsync <SpecialLiquidationOperationData>(
operationName : SpecialLiquidationSaga.OperationName,
id : command.OperationId);
if (executionInfo?.Data == null)
{
return;
}
if (executionInfo.Data.SwitchState(SpecialLiquidationOperationState.PriceReceived,
SpecialLiquidationOperationState.ExternalOrderExecuted))
{
if (command.Volume == 0)
{
publisher.PublishEvent(new SpecialLiquidationOrderExecutedEvent
{
OperationId = command.OperationId,
CreationTime = _dateService.Now(),
MarketMakerId = "ZeroNetVolume",
ExecutionTime = _dateService.Now(),
OrderId = _identityGenerator.GenerateGuid(),
});
}
else
{
var order = new OrderModel(
tradeType: command.Volume > 0 ? TradeType.Buy : TradeType.Sell,
orderType: OrderType.Market.ToType <Lykke.Service.ExchangeConnector.Client.Models.OrderType>(),
timeInForce: TimeInForce.FillOrKill,
volume: (double)Math.Abs(command.Volume),
dateTime: _dateService.Now(),
exchangeName: executionInfo.Data.ExternalProviderId,
instrument: command.Instrument,
price: (double?)command.Price,
orderId: _identityGenerator.GenerateAlphanumericId());
try
{
var executionResult = await _exchangeConnectorService.CreateOrderAsync(order);
publisher.PublishEvent(new SpecialLiquidationOrderExecutedEvent
{
OperationId = command.OperationId,
CreationTime = _dateService.Now(),
MarketMakerId = executionInfo.Data.ExternalProviderId,
ExecutionTime = executionResult.Time,
OrderId = executionResult.ExchangeOrderId,
});
}
catch (Exception exception)
{
publisher.PublishEvent(new SpecialLiquidationOrderExecutionFailedEvent
{
OperationId = command.OperationId,
CreationTime = _dateService.Now(),
Reason = exception.Message
});
await _log.WriteWarningAsync(nameof(SpecialLiquidationCommandsHandler),
nameof(ExecuteSpecialLiquidationOrderCommand),
$"Failed to execute the order: {order.ToJson()}",
exception);
}
}
await _operationExecutionInfoRepository.Save(executionInfo);
}
}
private void SendPositionHistoryEvent(Position position, PositionHistoryTypeContract historyType,
decimal chargedPnl, string orderAdditionalInfo, Order dealOrder = null, decimal?dealVolume = null,
PositionOpenMetadata metadata = null)
{
DealContract deal = null;
if (dealOrder != null && dealVolume != null)
{
var sign = position.Volume > 0 ? 1 : -1;
var accountBaseAssetAccuracy = AssetsConstants.DefaultAssetAccuracy;
var fpl = Math.Round((dealOrder.ExecutionPrice.Value - position.OpenPrice) *
dealOrder.FxRate * dealVolume.Value * sign, accountBaseAssetAccuracy);
var balanceDelta = fpl - Math.Round(chargedPnl, accountBaseAssetAccuracy);
var dealId = historyType == PositionHistoryTypeContract.Close
? position.Id
: _identityGenerator.GenerateAlphanumericId();
deal = new DealContract
{
DealId = dealId,
PositionId = position.Id,
Volume = dealVolume.Value,
Created = dealOrder.Executed.Value,
OpenTradeId = position.OpenTradeId,
OpenOrderType = position.OpenOrderType.ToType <OrderTypeContract>(),
OpenOrderVolume = position.OpenOrderVolume,
OpenOrderExpectedPrice = position.ExpectedOpenPrice,
CloseTradeId = dealOrder.Id,
CloseOrderType = dealOrder.OrderType.ToType <OrderTypeContract>(),
CloseOrderVolume = dealOrder.Volume,
CloseOrderExpectedPrice = dealOrder.Price,
OpenPrice = position.OpenPrice,
OpenFxPrice = position.OpenFxPrice,
ClosePrice = dealOrder.ExecutionPrice.Value,
CloseFxPrice = dealOrder.FxRate,
Fpl = fpl,
PnlOfTheLastDay = balanceDelta,
AdditionalInfo = dealOrder.AdditionalInfo,
Originator = dealOrder.Originator.ToType <OriginatorTypeContract>()
};
var account = _accountsCacheService.Get(position.AccountId);
_cqrsSender.PublishEvent(new PositionClosedEvent(account.Id, account.ClientId,
deal.DealId, position.AssetPairId, balanceDelta));
_accountUpdateService.FreezeUnconfirmedMargin(position.AccountId, deal.DealId, balanceDelta)
.GetAwaiter().GetResult(); //todo consider making this async or pass to broker
}
var positionContract = _convertService.Convert <Position, PositionContract>(position,
o => o.ConfigureMap(MemberList.Destination).ForMember(x => x.TotalPnL, c => c.Ignore()));
positionContract.TotalPnL = position.GetFpl();
var historyEvent = new PositionHistoryEvent
{
PositionSnapshot = positionContract,
Deal = deal,
EventType = historyType,
Timestamp = _dateService.Now(),
ActivitiesMetadata = metadata?.ToJson(),
OrderAdditionalInfo = orderAdditionalInfo,
};
_rabbitMqNotifyService.PositionHistory(historyEvent);
}
private async Task PlacePendingOrder(Order order)
{
if (order.IsBasicPendingOrder() || !string.IsNullOrEmpty(order.ParentPositionId))
{
Position parentPosition = null;
if (!string.IsNullOrEmpty(order.ParentPositionId))
{
parentPosition = _ordersCache.Positions.GetPositionById(order.ParentPositionId);
parentPosition.AddRelatedOrder(order);
}
order.Activate(_dateService.Now(), false, parentPosition?.ClosePrice);
_ordersCache.Active.Add(order);
_orderActivatedEventChannel.SendEvent(this, new OrderActivatedEventArgs(order));
}
else if (!string.IsNullOrEmpty(order.ParentOrderId))
{
if (_ordersCache.TryGetOrderById(order.ParentOrderId, out var parentOrder))
{
parentOrder.AddRelatedOrder(order);
order.MakeInactive(_dateService.Now());
_ordersCache.Inactive.Add(order);
return;
}
//may be it was market and now it is position
if (_ordersCache.Positions.TryGetPositionById(order.ParentOrderId, out var parentPosition))
{
parentPosition.AddRelatedOrder(order);
if (parentPosition.Volume != -order.Volume)
{
order.ChangeVolume(-parentPosition.Volume, _dateService.Now(), OriginatorType.System);
}
order.Activate(_dateService.Now(), true, parentPosition.ClosePrice);
_ordersCache.Active.Add(order);
_orderActivatedEventChannel.SendEvent(this, new OrderActivatedEventArgs(order));
}
else
{
order.MakeInactive(_dateService.Now());
_ordersCache.Inactive.Add(order);
CancelPendingOrder(order.Id, order.AdditionalInfo,
_identityGenerator.GenerateAlphanumericId(),
$"Parent order closed the position, so {order.OrderType.ToString()} order is cancelled");
}
}
else
{
throw new ValidateOrderException(OrderRejectReason.InvalidParent, "Order parent is not valid");
}
if (order.Status == OrderStatus.Active &&
_quoteCacheService.TryGetQuoteById(order.AssetPairId, out var pair))
{
var price = pair.GetPriceForOrderDirection(order.Direction);
if (!_assetPairDayOffService.IsDayOff(order.AssetPairId) && //!_assetPairDayOffService.ArePendingOrdersDisabled(order.AssetPairId))
order.IsSuitablePriceForPendingOrder(price))
{
_ordersCache.Active.Remove(order);
await PlaceOrderByMarketPrice(order);
}
}
}
private async Task Handle(ExecuteSpecialLiquidationOrderCommand command, IEventPublisher publisher)
{
var executionInfo = await _operationExecutionInfoRepository.GetAsync <SpecialLiquidationOperationData>(
operationName : SpecialLiquidationSaga.OperationName,
id : command.OperationId);
if (executionInfo?.Data == null)
{
return;
}
await _log.WriteInfoAsync(nameof(SpecialLiquidationCommandsHandler),
nameof(ExecuteSpecialLiquidationOrderCommand),
command.ToJson(),
"Checking if position special liquidation should be failed");
if (!string.IsNullOrEmpty(executionInfo.Data.CausationOperationId))
{
await _log.WriteInfoAsync(nameof(SpecialLiquidationCommandsHandler),
nameof(ExecuteSpecialLiquidationOrderCommand),
command.ToJson(),
"Special liquidation is caused by regular liquidation, checking liquidation type.");
var liquidationInfo = await _operationExecutionInfoRepository.GetAsync <LiquidationOperationData>(
operationName : LiquidationSaga.OperationName,
id : executionInfo.Data.CausationOperationId);
if (liquidationInfo == null)
{
await _log.WriteInfoAsync(nameof(SpecialLiquidationCommandsHandler),
nameof(ExecuteSpecialLiquidationOrderCommand),
command.ToJson(),
"Regular liquidation does not exist, position close will not be failed.");
}
else
{
if (liquidationInfo.Data.LiquidationType == LiquidationType.Forced)
{
await _log.WriteInfoAsync(nameof(SpecialLiquidationCommandsHandler),
nameof(ExecuteSpecialLiquidationOrderCommand),
command.ToJson(),
"Regular liquidation type is Forced (Close All), position close will not be failed.");
}
else
{
var account = _accountsCacheService.Get(executionInfo.Data.AccountId);
var level = account.GetAccountLevel();
await _log.WriteInfoAsync(nameof(SpecialLiquidationCommandsHandler),
nameof(ExecuteSpecialLiquidationOrderCommand),
command.ToJson(),
$"Current account state: {account.ToJson()}, level: {level}");
if (level != ValidAccountLevel)
{
await _log.WriteWarningAsync(
nameof(SpecialLiquidationCommandsHandler),
nameof(ExecuteSpecialLiquidationOrderCommand),
new { accountId = account.Id, accountLevel = level.ToString() }.ToJson(),
$"Unable to execute special liquidation since account level is not {ValidAccountLevel.ToString()}.");
publisher.PublishEvent(new SpecialLiquidationCancelledEvent()
{
OperationId = command.OperationId,
CreationTime = _dateService.Now(),
Reason = $"Account level is not {ValidAccountLevel.ToString()}.",
});
return;
}
}
}
}
if (executionInfo.Data.SwitchState(SpecialLiquidationOperationState.PriceReceived,
SpecialLiquidationOperationState.ExternalOrderExecuted))
{
if (command.Volume == 0)
{
publisher.PublishEvent(new SpecialLiquidationOrderExecutedEvent
{
OperationId = command.OperationId,
CreationTime = _dateService.Now(),
MarketMakerId = "ZeroNetVolume",
ExecutionTime = _dateService.Now(),
OrderId = _identityGenerator.GenerateGuid(),
ExecutionPrice = command.Price
});
}
else
{
var operationInfo = new TradeOperationInfo
{
OperationId = executionInfo.Id,
RequestNumber = executionInfo.Data.RequestNumber
};
var order = new OrderModel(
tradeType: command.Volume > 0 ? TradeType.Buy : TradeType.Sell,
orderType: OrderType.Market.ToType <Contracts.ExchangeConnector.OrderType>(),
timeInForce: TimeInForce.FillOrKill,
volume: (double)Math.Abs(command.Volume),
dateTime: _dateService.Now(),
exchangeName: operationInfo.ToJson(), //hack, but ExchangeName is not used and we need this info
// TODO: create a separate field and remove hack (?)
instrument: command.Instrument,
price: (double?)command.Price,
orderId: _identityGenerator.GenerateAlphanumericId(),
modality: executionInfo.Data.RequestedFromCorporateActions ? TradeRequestModality.Liquidation_CorporateAction : TradeRequestModality.Liquidation_MarginCall);
try
{
var executionResult = await _exchangeConnectorClient.ExecuteOrder(order);
if (!executionResult.Success)
{
throw new Exception(
$"External order was not executed. Status: {executionResult.ExecutionStatus}. " +
$"Failure: {executionResult.FailureType}");
}
var executionPrice = (decimal)executionResult.Price == default
? command.Price
: (decimal)executionResult.Price;
if (executionPrice.EqualsZero())
{
throw new Exception("Execution price is equal to 0.");
}
publisher.PublishEvent(new SpecialLiquidationOrderExecutedEvent
{
OperationId = command.OperationId,
CreationTime = _dateService.Now(),
MarketMakerId = executionInfo.Data.ExternalProviderId,
ExecutionTime = executionResult.Time,
OrderId = executionResult.ExchangeOrderId,
ExecutionPrice = executionPrice
});
}
catch (Exception exception)
{
publisher.PublishEvent(new SpecialLiquidationOrderExecutionFailedEvent
{
OperationId = command.OperationId,
CreationTime = _dateService.Now(),
Reason = exception.Message
});
await _log.WriteWarningAsync(nameof(SpecialLiquidationCommandsHandler),
nameof(ExecuteSpecialLiquidationOrderCommand),
$"Failed to execute the order: {order.ToJson()}",
exception);
}
}
await _operationExecutionInfoRepository.Save(executionInfo);
}
}
