public async Task CancelAsync(string assetPairId)
{
string walletId = _settingsService.GetWalletId();
if (string.IsNullOrEmpty(walletId))
{
throw new ExchangeException("The wallet not set");
}
var multiLimitOrder = new MultiLimitOrderModel
{
Id = Guid.NewGuid().ToString(),
ClientId = walletId,
AssetPairId = GetAssetPair(assetPairId),
CancelPreviousOrders = true,
Orders = new List <MultiOrderItemModel>(),
CancelMode = CancelMode.BothSides
};
_log.InfoWithDetails("Matching engine cancel multi limit order request", multiLimitOrder);
MultiLimitOrderResponse response;
try
{
response = await _matchingEngineClient.PlaceMultiLimitOrderAsync(multiLimitOrder);
}
catch (Exception exception)
{
_log.ErrorWithDetails(exception, "An error occurred during cancelling limit orders",
multiLimitOrder);
throw new ExchangeException("Cannot cancel limit orders an unexpected error occurred", exception);
}
if (response == null)
{
throw new ExchangeException("Matching engine returned an empty response");
}
_log.InfoWithDetails("Matching engine cancel multi limit order response", response);
}
public async Task <IActionResult> CreateLimitOrder([FromBody] LimitOrderRequest order)
{
var orderId = Guid.NewGuid().ToString();
var mlm = new MultiLimitOrderModel()
{
AssetId = order.Instrument,
ClientId = this.ClientId(),
CancelMode = CancelMode.BothSides,
CancelPreviousOrders = false,
Id = Guid.NewGuid().ToString(),
Orders = new List <MultiOrderItemModel> {
new MultiOrderItemModel()
{
Id = orderId,
OrderAction = order.TradeType == TradeType.Buy ? OrderAction.Buy : OrderAction.Sell,
Fee = null,
OldId = null,
Price = (double)order.Price,
Volume = (double)order.Volume
}
}
};
var res = await _meclient.PlaceMultiLimitOrderAsync(mlm);
var status = res.Statuses.Any() ? res.Statuses[0].Status : MeStatusCodes.BadRequest;
if (status == MeStatusCodes.Ok)
{
var resp = new OrderIdResponse()
{
OrderId = orderId
};
return(Ok(resp));
}
return(BadRequest($"incorect result: {status}"));
}
public async Task <ResponseModel <BulkOrderResponseModel> > PlaceBulkLimitOrderAsync(string clientId, AssetPair assetPair, IEnumerable <BulkOrderItemModel> items, bool cancelPrevious, CancelMode?cancelMode)
{
var requestId = GetNextRequestId();
var orders = new ConcurrentBag <MultiOrderItemModel>();
await items.ParallelForEachAsync(async item =>
{
var subOrder = await ToMultiOrderItemModel(clientId, assetPair, item);
orders.Add(subOrder);
});
var order = new MultiLimitOrderModel
{
Id = requestId.ToString(),
ClientId = clientId,
AssetPairId = assetPair.Id,
CancelPreviousOrders = cancelPrevious,
Orders = orders.ToArray()
};
if (cancelMode.HasValue)
{
order.CancelMode = cancelMode.Value.ToMeCancelModel();
}
var response = await _matchingEngineClient.PlaceMultiLimitOrderAsync(order);
CheckResponseAndThrowIfNull(response);
var result = new BulkOrderResponseModel
{
AssetPairId = assetPair.Id,
Error = response.Status != MeStatusCodes.Ok ? ErrorCodeType.Rejected : default(ErrorCodeType?),
Statuses = response.Statuses?.Select(ToBulkOrderItemStatusModel).ToArray()
};
return(ConvertToApiModel(response.Status, result));
}
public async Task ApplyAsync(string assetPairId, IReadOnlyCollection <LimitOrder> limitOrders)
{
string walletId = _settingsService.GetWalletId();
if (string.IsNullOrEmpty(walletId))
{
throw new ExchangeException("The wallet not set");
}
var multiOrderItems = new List <MultiOrderItemModel>();
foreach (LimitOrder limitOrder in limitOrders)
{
var multiOrderItem = new MultiOrderItemModel
{
Id = limitOrder.Id,
OrderAction = ToOrderAction(limitOrder.Type),
Price = (double)limitOrder.Price,
Volume = (double)Math.Abs(limitOrder.Volume)
};
multiOrderItems.Add(multiOrderItem);
}
var multiLimitOrder = new MultiLimitOrderModel
{
Id = Guid.NewGuid().ToString(),
ClientId = walletId,
AssetPairId = GetAssetPair(assetPairId),
CancelPreviousOrders = true,
Orders = multiOrderItems,
CancelMode = CancelMode.BothSides
};
_log.InfoWithDetails("Matching engine place multi limit order request", multiLimitOrder);
MultiLimitOrderResponse response;
try
{
response = await _matchingEngineClient.PlaceMultiLimitOrderAsync(multiLimitOrder);
}
catch (Exception exception)
{
_log.ErrorWithDetails(exception, "An error occurred during creating limit orders", multiLimitOrder);
throw new ExchangeException("Cannot create limit orders an unexpected error occurred", exception);
}
if (response == null)
{
throw new ExchangeException("Matching engine returned an empty response");
}
foreach (LimitOrderStatusModel orderStatus in response.Statuses)
{
LimitOrder limitOrder = limitOrders.SingleOrDefault(e => e.Id == orderStatus.Id);
if (limitOrder != null)
{
limitOrder.Error = ToLimitOrderError(orderStatus.Status);
limitOrder.ErrorMessage = limitOrder.Error != LimitOrderError.Unknown
? orderStatus.StatusReason
: !string.IsNullOrEmpty(orderStatus.StatusReason)
? orderStatus.StatusReason
: "Unknown error";
}
else
{
_log.WarningWithDetails("Matching engine returned status for unknown limit order",
new { LimitOrderId = orderStatus.Id });
}
}
string[] ignoredLimitOrders = response.Statuses
.Select(x => x.Id)
.Except(multiLimitOrder.Orders.Select(x => x.Id))
.ToArray();
if (ignoredLimitOrders.Any())
{
_log.WarningWithDetails("Matching engine response not contains status of limit order",
new { AssetPairId = assetPairId, LimitOrders = ignoredLimitOrders });
}
_log.InfoWithDetails("Matching engine place multi limit order response", response);
}
public async Task ApplyAsync(string assetPairId, IReadOnlyCollection <LimitOrder> limitOrders)
{
if (string.IsNullOrEmpty(_walletId))
{
throw new Exception("WalletId is not set");
}
var map = new Dictionary <string, LimitOrder>();
var multiOrderItems = new List <MultiOrderItemModel>();
foreach (LimitOrder limitOrder in limitOrders)
{
var multiOrderItem = new MultiOrderItemModel
{
Id = Guid.NewGuid().ToString("D"),
OrderAction = limitOrder.TradeType.ToOrderAction(),
Price = (double)limitOrder.Price,
Volume = (double)limitOrder.Volume,
};
map[multiOrderItem.Id] = limitOrder;
multiOrderItems.Add(multiOrderItem);
limitOrder.ExternalId = multiOrderItem.Id;
}
var multiLimitOrder = new MultiLimitOrderModel
{
Id = Guid.NewGuid().ToString(),
ClientId = _walletId,
AssetPairId = assetPairId,
CancelPreviousOrders = true,
Orders = multiOrderItems,
CancelMode = CancelMode.BothSides
};
_log.Info("ME place multi limit order request", new { request = $"data: {multiLimitOrder.ToJson()}" });
MultiLimitOrderResponse response;
try
{
response = await _matchingEngineClient.PlaceMultiLimitOrderAsync(multiLimitOrder,
new CancellationTokenSource(Consts.MatchingEngineTimeout).Token);
}
catch (Exception exception)
{
_log.Error(exception, "An error occurred during creating limit orders",
new { request = $"data: {multiLimitOrder.ToJson()}" });
throw;
}
if (response == null)
{
throw new Exception("ME response is null");
}
if (response.Statuses.All(x => x.Status == MeStatusCodes.Ok))
{
_log.Info("ME place multi limit order response", new { response = $"data: {response.ToJson()}" });
}
else
{
_log.Warning("ME place multi limit order response. Some orders have unsuccessful codes.", context: new { response = $"data: {response.ToJson()}" });
}
foreach (var orderStatus in response.Statuses)
{
if (map.TryGetValue(orderStatus.Id, out var limitOrder))
{
limitOrder.Error = orderStatus.Status.ToOrderError();
limitOrder.ErrorMessage = limitOrder.Error != LimitOrderError.Unknown
? orderStatus.StatusReason
: !string.IsNullOrEmpty(orderStatus.StatusReason) ? orderStatus.StatusReason : "Unknown error";
}
}
}
public async Task ApplyAsync(string assetPairId, IReadOnlyCollection <LimitOrder> limitOrders)
{
string walletId = await _settingsService.GetWalletIdAsync();
if (string.IsNullOrEmpty(walletId))
{
throw new Exception("WalletId is not set");
}
var map = new Dictionary <string, string>();
var multiOrderItems = new List <MultiOrderItemModel>();
foreach (LimitOrder limitOrder in limitOrders)
{
var multiOrderItem = new MultiOrderItemModel
{
Id = Guid.NewGuid().ToString("D"),
OrderAction = limitOrder.Type.ToOrderAction(),
Price = (double)limitOrder.Price,
Volume = (double)Math.Abs(limitOrder.Volume)
};
multiOrderItems.Add(multiOrderItem);
map[multiOrderItem.Id] = limitOrder.Id;
}
var multiLimitOrder = new MultiLimitOrderModel
{
Id = Guid.NewGuid().ToString(),
ClientId = walletId,
AssetPairId = assetPairId,
CancelPreviousOrders = true,
Orders = multiOrderItems,
CancelMode = CancelMode.BothSides
};
_log.InfoWithDetails("ME place multi limit order request", multiLimitOrder);
MultiLimitOrderResponse response;
try
{
response = await _matchingEngineClient.PlaceMultiLimitOrderAsync(multiLimitOrder);
}
catch (Exception exception)
{
_log.ErrorWithDetails(exception, "An error occurred during creating limit orders", multiLimitOrder);
throw;
}
if (response == null)
{
throw new Exception("ME response is null");
}
foreach (LimitOrderStatusModel orderStatus in response.Statuses)
{
if (map.TryGetValue(orderStatus.Id, out var limitOrderId))
{
var limitOrder = limitOrders.Single(e => e.Id == limitOrderId);
limitOrder.Error = orderStatus.Status.ToOrderError();
limitOrder.ErrorMessage = limitOrder.Error != LimitOrderError.Unknown
? orderStatus.StatusReason
: !string.IsNullOrEmpty(orderStatus.StatusReason)
? orderStatus.StatusReason
: "Unknown error";
}
else
{
_log.Warning("ME returned status for order which is not in the request",
context: $"order: {orderStatus.Id}");
}
}
string[] ignoredOrdersByMe = response.Statuses
.Select(x => x.Id)
.Except(multiLimitOrder.Orders.Select(x => x.Id))
.ToArray();
if (ignoredOrdersByMe.Any())
{
_log.WarningWithDetails("ME didn't return status for orders",
$"pair: {assetPairId}, orders: {string.Join(", ", ignoredOrdersByMe)}");
}
_log.InfoWithDetails("ME place multi limit order response", response);
}
public override async Task <BulkLimitOrderResponse> PlaceBulkLimitOrder(BulkLimitOrderRequest request, ServerCallContext context)
{
var walletId = context.GetHttpContext().User.GetWalletId();
var items = request.Orders?.ToArray() ?? Array.Empty <BulkOrder>();
var orders = new List <MultiOrderItemModel>();
foreach (var item in items)
{
var order = new MultiOrderItemModel
{
Id = Guid.NewGuid().ToString(),
Price = Convert.ToDouble(item.Price),
Volume = Convert.ToDouble(item.Volume),
OrderAction = _mapper.Map <OrderAction>(item.Side),
OldId = string.IsNullOrEmpty(item.OldId) ? null : item.OldId
};
orders.Add(order);
}
var multiOrder = new MultiLimitOrderModel
{
Id = Guid.NewGuid().ToString(),
ClientId = walletId,
AssetPairId = request.AssetPairId,
CancelPreviousOrders = request.CancelPreviousOrders,
Orders = orders.ToArray()
};
if (request.OptionalCancelModeCase != BulkLimitOrderRequest.OptionalCancelModeOneofCase.None)
{
multiOrder.CancelMode = _mapper.Map <Lykke.MatchingEngine.Connector.Models.Api.CancelMode>(request.CancelMode);
}
MultiLimitOrderResponse response = await _matchingEngineClient.PlaceMultiLimitOrderAsync(multiOrder);
if (response == null)
{
return(new BulkLimitOrderResponse
{
Error = new Error
{
Code = _mapper.Map <ErrorCode>(HftApiErrorCode.MeRuntime),
Message = "ME not available"
}
});
}
var bulkResponse = new BulkLimitOrderResponse
{
Payload = new BulkLimitOrderResponse.Types.BulkLimitOrderPayload
{
AssetPairId = request.AssetPairId
}
};
bulkResponse.Payload.Statuses.AddRange(response.Statuses?.Select(x => new BulkOrderItemStatus
{
Id = x.Id,
Price = x.Price.ToString(CultureInfo.InvariantCulture),
Volume = x.Volume.ToString(CultureInfo.InvariantCulture),
Error = _mapper.Map <ErrorCode>(x.Status.ToHftApiError().code)
}));
return(bulkResponse);
}
