public async Task Buy(IExchangeClient client, string pair, decimal price)
{
var currentBalance = await client.GetBaseCurrencyBalance();
var moneyToSpend = currentBalance / 100m * (decimal)_config[pair].Share;
var transformResult = _moneyService.Transform(pair, moneyToSpend, price, 0.26m);
if (transformResult.TargetCurrencyAmount < _config[pair].MinVolume)
{
//Insufficient funds
return;
}
_fileService.GatherDetails(pair, FileSessionNames.Buy_Volume, transformResult.TargetCurrencyAmount);
var operationId = await _operationRepository.Add(client.Platform, "add order", pair, "buy");
var orderIds = await client.Buy(transformResult.TargetCurrencyAmount, pair, _config[pair].IsMarket?(decimal?)null : price, operationId);
if (orderIds != null && orderIds.Any())
{
await _operationRepository.Complete(operationId);
foreach (var orderId in orderIds)
{
await _orderRepository.Add(client.Platform, pair, orderId);
}
}
}
public async Task Borrow(IExchangeClient client, string pair, decimal price)
{
var balanceItems = (await _balanceRepository.Get(client.Platform, pair)).Where(x => x.IsBorrowed);
if (balanceItems.Any())
{
return;
}
var availableVolume = Math.Round(await client.GetAvailableMargin(pair.Substring(0, 3)), _config[pair].VolumeFormat);
//availableVolume = availableVolume / 100m * (decimal)_config[pair].Share;
if (availableVolume < _config[pair].MinVolume)
{
//Insufficient funds
return;
}
_fileService.GatherDetails(pair, FileSessionNames.Borrow_Volume, availableVolume);
var operationId = await _operationRepository.Add(client.Platform, "add order", pair, "borrow");
var orderIds = await client.Sell(availableVolume, pair, _config[pair].IsMarket?(decimal?)null : price, operationId, true);
if (orderIds == null || !orderIds.Any())
{
return;
}
await _operationRepository.Complete(operationId);
foreach (var orderId in orderIds)
{
await _orderRepository.Add(client.Platform, pair, orderId);
}
}
private IExchangeClient[] GetClients(URL url)
{
// whether to share connection
var serviceShareConnect = false;
int connections = url.GetParameter(Constants.ConnectionsKey, 0);
// if not configured, connection is shared, otherwise, one connection for one service
if (connections == 0)
{
serviceShareConnect = true;
connections = 1;
}
var clients = new IExchangeClient[connections];
for (int i = 0; i < clients.Length; i++)
{
if (serviceShareConnect)
{
clients[i] = GetSharedClient(url);
}
else
{
clients[i] = InitClient(url);
}
}
return(clients);
}
public MainWindowViewModel()
{
//Create ExchangeClients
var mockExchangeClient0 = new MockClient(0);
var mockExchangeClient1 = new MockClient(1);
var mockExchangeClient2 = new MockClient(2);
//store them in an array
var exchanges = new IExchangeClient[3] {
mockExchangeClient0, mockExchangeClient1, mockExchangeClient2
};
//instantiate the corresponding ViewModels
//these controls allow to connect and disconnect from the underlying exchanges at will.
ExchangeVMs = exchanges.Select(e => new ExchangeViewModel(e)).ToList();
//merge their orderbook streams
var simpleOrderBookStream = Observable.Merge(ExchangeVMs.Select(e => e.UnderlyingExchange.OrderBookStream));
//scan the resulting stream into a stream of aggregated orderbooks (orderbooks with orders coming from different exchanges)
var aggregatedOrderBookStream = simpleOrderBookStream.Scan(new AggregatedOrderBook(), (aob, ob) => aob.InsertBook(ob));
//subscribe to the aggregatedOrderBookStream.
//each time a new aggregated orderbook is received, the list of bids and asks is updated in the UI.
//ATTENTION: no elements will be observed until at leat one individual exchange is connected to
aggregateStreamSubscription = aggregatedOrderBookStream.SubscribeOn(NewThreadScheduler.Default)
.ObserveOnDispatcher()
.Subscribe((aob) =>
{
Bids = aob.Bids.ToList();
Asks = aob.Asks.ToList();
});
}
static void TestAggregatedOrderBookStreamOnMocks()
{
IExchangeClient exchangeA = new MockClient(0);
IExchangeClient exchangeB = new MockClient(1);
IExchangeClient exchangeC = new MockClient(2);
IObservable <IOrderBook> mergedOrderBookStream = Observable.Merge(exchangeA.OrderBookStream,
exchangeB.OrderBookStream,
exchangeC.OrderBookStream);
IObservable <AggregatedOrderBook> aggregatedOrderBookStream = mergedOrderBookStream.Scan(
new AggregatedOrderBook(),
(aob, orderBook) => aob.InsertBook(orderBook));
using (var consoleSubscription = aggregatedOrderBookStream.Subscribe(Console.WriteLine))
{
Console.WriteLine("press any key to stop");
var exchanges = new IExchangeClient[3] {
exchangeA, exchangeB, exchangeC
};
exchanges.ToList().ForEach(ex => { ex.Connect(); ((MockClient)ex).StartRandomOrders(); });
Console.ReadKey();
exchanges.ToList().ForEach(ex => { ex.Disconnect(); ((MockClient)ex).StopRandomOrders(); });
}
Console.WriteLine("stopped. Press any key to close window");
Console.ReadKey();
}
public ExchangeSync(IExchangeClient exchangeClient, IExchangeSyncRepository syncRepository, IExchangeSyncChangesetsFactory exchangeSyncChangesetsFactory, ILogger <ExchangeSync> logger)
{
_exchangeClient = exchangeClient;
_syncRepository = syncRepository;
_exchangeSyncChangesetsFactory = exchangeSyncChangesetsFactory;
_logger = logger;
}
public async Task CheckOperations(IExchangeClient client)
{
var incompleteOperations = (await _operationRepository.GetIncomplete(client.Platform, "add order")).OrderBy(x => x.Id);
foreach (var operation in incompleteOperations)
{
_fileService.Write(operation.Pair, $"Incomplete operation [id:{operation.Id}] [operation:{operation.Misc}]");
var orderIds = await client.GetOrdersIds(operation.Id);
if (!orderIds.Any())
{
if ((_dateTime.Now - operation.OperationDate).TotalMinutes > 20)
{
await _operationRepository.Complete(operation.Id);
}
continue;
}
foreach (var orderId in orderIds)
{
await _orderRepository.Add(client.Platform, operation.Pair, orderId);
}
await _operationRepository.Complete(operation.Id);
if (operation.Misc == "sell" || operation.Misc == "borrow")
{
await _statusService.SetCurrentStatus(client.Platform, TradeStatus.Sell, operation.Pair);
}
else if (operation.Misc == "buy" || operation.Misc == "return")
{
await _statusService.SetCurrentStatus(client.Platform, TradeStatus.Buy, operation.Pair);
}
}
}
public async Task <bool> Sell(IExchangeClient client, string pair, decimal price)
{
var balanceItems = (await _balanceRepository.Get(client.Platform, pair)).Where(x => !x.IsBorrowed);
var isNotSold = false;
var volume = decimal.Zero;
var profit = decimal.Zero;
foreach (var balanceItem in balanceItems)
{
var boughtPrice = balanceItem.Volume * balanceItem.Price
+ _moneyService.FeeToPay(pair, balanceItem.Volume, balanceItem.Price, 0.26m)
+ _moneyService.FeeToPay(pair, balanceItem.Volume, price, 0.26m);
var sellPrice = balanceItem.Volume * price;
if (boughtPrice < sellPrice || balanceItem.NotSold >= _config[pair].MaxMissedSells)
{
volume += balanceItem.Volume;
profit += sellPrice - boughtPrice;
}
else
{
if (balanceItem.NotSoldtDate > _dateTime.Now.AddMinutes(-_config[pair].ThresholdMinutes))
{
//_fileService.Write(pair, $"Not worths to sell, and too short.");
}
else
{
_fileService.GatherDetails(pair, FileSessionNames.Not_Sold_Volume, balanceItem.Volume);
await _notSoldRepository.SetNotSold(client.Platform, pair, false);
}
isNotSold = true;
}
}
if (volume == decimal.Zero)
{
return(!isNotSold);
}
_fileService.GatherDetails(pair, FileSessionNames.Sell_Volume, volume);
_fileService.GatherDetails(pair, FileSessionNames.Profit, profit);
var operationId = await _operationRepository.Add(client.Platform, "add order", pair, "sell");
var orderIds = await client.Sell(volume, pair, _config[pair].IsMarket?(decimal?)null : price, operationId);
if (orderIds == null || !orderIds.Any())
{
return(false);
}
await _operationRepository.Complete(operationId);
foreach (var orderId in orderIds)
{
await _orderRepository.Add(client.Platform, pair, orderId);
}
return(true);
}
public ReferenceCountExchangeClient(IExchangeClient client,
ConcurrentDictionary <string, LazyConnectExchangeClient> ghostClientMap)
{
_client = client;
_ghostClientMap = ghostClientMap;
Url = client.Url;
ChannelHander = _client.ChannelHander;
IsClosed = _client.IsClosed;
Interlocked.Increment(ref _referenceCount);
}
private async Task Return(IExchangeClient client, string pair, List <GroupResult> groupedTrades)
{
var lastTrade = groupedTrades.Where(x => x.PriceBuyAvg != decimal.Zero).OrderBy(x => x.DateTime).Last();
var result = await _orderService.Return(client, pair, Math.Round(lastTrade.PriceBuyAvg, _config[pair].PriceFormat));
if (result)
{
await _statusService.SetCurrentStatus(client.Platform, TradeStatus.Sell, pair);
}
}
public async Task RunSimulator()
{
var dateTime = DateTime.Now.AddHours(-300);
await SetConfig();
_exchangeClient = _container.Resolve <IExchangeClient>("kraken");
_fileService = _container.Resolve <IFileService>();
await TradeSimulator(dateTime, DateTime.Now);
}
private async Task TradePair(IExchangeClient client, KeyValuePair <string, PairConfig> tradePair)
{
try
{
await Trade(client, tradePair.Key);
}
catch (Exception ex)
{
_fileService.Write(tradePair.Key, ex);
}
}
private async Task <ExchangeTimestamp> GetExchangeTimestampAsync(IExchangeClient client)
{
var result = new ExchangeTimestamp();
foreach (var ticket in (Ticker[])Enum.GetValues(typeof(Ticker)))
{
var tickerInfo = await client.GetTickerInfoAsync(ticket).ConfigureAwait(false);
result.Tickets[ticket] = tickerInfo;
}
return(result);
}
private async Task CheckOutstanding(IExchangeClient client)
{
try
{
await _orderService.CheckOperations(client);
await _orderService.CheckOpenOrders(client);
}
catch (Exception e)
{
_fileService.Write("general", e);
}
}
public NasdaqExchangeClientContractTests()
{
var mockLogger = new Mock <ILogger <NasdaqParser> >();
var parser = new NasdaqParser(mockLogger.Object);
_client = new ExchangeClient(new FtpClient(), parser, new Mock <ILogger <ExchangeClient> >().Object);
_exchangeSyncSetting = new ExchangeSyncSetting
{
Url = "ftp://ftp.nasdaqtrader.com/symboldirectory/nasdaqtraded.txt",
ClientName = "NASDAQ",
Delimiter = "|",
SuffixBlackList = new string[] { "-", "Common Stock" }
};
}
public async Task CloseAsync(int timeout)
{
if (Interlocked.Decrement(ref _referenceCount) <= 0)
{
if (timeout == 0)
{
await _client.CloseAsync();
}
else
{
await _client.CloseAsync(timeout);
}
_client = ReplaceWithLazyClient();
}
}
public async Task Setup()
{
_container = new UnityContainer();
_container.RegisterAssembleyWith <ILogRepository>();
_container.RegisterType <IExchangeClient, KrakenClientService>("kraken");
var configRepo = _container.Resolve <IConfigRepository>();
_container.RegisterInstance(await configRepo.Get());
var config = _container.Resolve <Config>();
config.Pairs[Pair].Share = 10;
_exchangeClient = _container.Resolve <IExchangeClient>("kraken");
_orderService = _container.Resolve <IOrderService>();
}
public ExchangeService(
// IDiscoveryClient discoveryClient,
IServiceProvider serviceProvider,
IExchangeClient exchangeClient,
OrderManagerContext context,
IOptionsSnapshot <OmsConfig> config,
ILogger <ExchangeService> logger)
{
// _discoveryClient = discoveryClient;
_scope = serviceProvider.CreateScope();
_contextFactory = () => (OrderManagerContext)_scope.ServiceProvider.GetService(typeof(OrderManagerContext));
_exchangeClient = exchangeClient;
_context = context;
// _handler = new DiscoveryHttpClientHandler(_discoveryClient, logFactory.CreateLogger<DiscoveryHttpClientHandler>());
_config = config;
_logger = logger;
}
public static async Task <TickerInfo> GetTickerInfoAsync(this IExchangeClient client, Ticker ticker)
{
try
{
var orderBook = await client.GetOrderBookAsync(ticker).ConfigureAwait(false);
var averagePrice = await client.GetCurrentAveragePriceAsync(ticker).ConfigureAwait(false);
return(new TickerInfo(
averagePrice.IsSuccess ? averagePrice.Value : 0f,
orderBook.IsSuccess ? orderBook.Value : new OrderBook(null, null),
DateTime.Now)); // НЕ ИСПОЛЬЗУТСЯ ПРИ ЗАПИСИ, ПРОСТО НУЖНО ДЛЯ ЧТЕНИЯ
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
private void InitClient()
{
if (_client != null)
{
return;
}
if (_logger.InfoEnabled)
{
_logger.Info("Lazy connect to " + Url);
}
lock (_connectLock)
{
if (_client != null)
{
return;
}
_client = Exchangers.ConnectAsync(Url, _requestHandler).Result;
}
}
public async Task CheckOpenOrders(IExchangeClient client)
{
var openOrders = await _orderRepository.Get(client.Platform);
if (openOrders == null || !openOrders.Any())
{
return;
}
var orders = await client.GetOrders(openOrders.Keys.ToArray());
foreach (var order in orders.Where(x => x.OrderStatus == OrderStatus.Closed || x.OrderStatus == OrderStatus.Cancelled))
{
if (order.OrderStatus != OrderStatus.Cancelled)
{
if (order.OrderType == OrderType.buy)
{
if (order.IsBorrowed)
{
await _balanceRepository.Remove(client.Platform, order.Pair, true);
}
else
{
await _balanceRepository.Add(client.Platform, order.Pair, order.Volume, order.Price, false);
}
}
else
{
if (order.IsBorrowed)
{
await _balanceRepository.Add(client.Platform, order.Pair, order.Volume, order.Price, true);
}
else
{
await _balanceRepository.Remove(client.Platform, order.Pair, false);
}
}
}
await _orderRepository.Remove(client.Platform, order.Id);
}
}
public ExchangeViewModel(IExchangeClient exchangeClient)
{
UnderlyingExchange = exchangeClient;
orderStreamSubscription = UnderlyingExchange.OrderStream
.SubscribeOn(NewThreadScheduler.Default)
.ObserveOnDispatcher()
.Subscribe((order) =>
{
Orders.Add(order);
});
orderBookStreamSubscription = UnderlyingExchange.OrderBookStream
.SubscribeOn(NewThreadScheduler.Default)
.ObserveOnDispatcher()
.Subscribe((ob) =>
{
Bids = ob.Bids.ToList();
Asks = ob.Asks.ToList();
});
}
public async Task Trade(IExchangeClient client, string pair)
{
var currentStatus = await _statusService.GetCurrentStatus(client.Platform, pair);
_fileService.GatherDetails(pair, FileSessionNames.Status, currentStatus.ToString());
await _eventRepository.UpdateLastEvent(client.Platform, $"{EventConstant.Trade} {pair}", string.Empty);
var dt = _dateTime.Now.AddHours(-_config[pair].LoadHours);
var trades = (await _tradeRepository.LoadTrades(pair, dt, _dateTime.Now)).ToList();
var groupedTrades = trades.GroupAll(_config[pair].GroupMinutes, GroupBy.Minute).ToList();
var groupedTradesSlow = trades.GroupAll(_config[pair].GroupForLongMacdMinutes, GroupBy.Minute).ToList()
.Cast <IDateCost>().ToList();
var newStatus = FindStatusFromTrades(groupedTrades.Cast <IDateCost>().ToList(), groupedTradesSlow, pair);
_fileService.GatherDetails(pair, FileSessionNames.PriceSell,
groupedTrades.Where(x => x.PriceSellAvg != decimal.Zero).OrderBy(x => x.DateTime).Last().PriceSellAvg);
_fileService.GatherDetails(pair, FileSessionNames.PriceBuy,
groupedTrades.Where(x => x.PriceBuyAvg != decimal.Zero).OrderBy(x => x.DateTime).Last().PriceBuyAvg);
_fileService.GatherDetails(pair, FileSessionNames.Volume, groupedTrades.Last().Volume);
if (currentStatus == newStatus || newStatus == TradeStatus.Unknown)
{
return;
}
switch (newStatus)
{
case TradeStatus.Return:
await Return(client, pair, groupedTrades);
await _statusService.SetCurrentStatus(client.Platform, TradeStatus.Return, pair);
break;
case TradeStatus.Borrow:
await Borrow(client, pair, groupedTrades);
await _statusService.SetCurrentStatus(client.Platform, TradeStatus.Borrow, pair);
break;
case TradeStatus.Buy:
await Buy(client, pair, groupedTrades);
await Return(client, pair, groupedTrades);
await _statusService.SetCurrentStatus(client.Platform, TradeStatus.Buy, pair);
break;
case TradeStatus.Sell:
await Sell(client, pair, groupedTrades);
await Borrow(client, pair, groupedTrades);
break;
default:
return;
}
}
private async Task Buy(IExchangeClient client, string pair, List <GroupResult> groupedTrades)
{
var lastTrade = groupedTrades.Where(x => x.PriceBuyAvg != decimal.Zero).OrderBy(x => x.DateTime).Last();
await _orderService.Buy(client, pair, Math.Round(lastTrade.PriceBuyAvg, _config[pair].PriceFormat));
}
/// <summary>
/// Initializes a new instance of the <see cref="TradeManager"/> class.
/// </summary>
/// <param name="client">An instance of the <see cref="IExchangeClient"/> class.</param>
/// <param name="logger">An instance of the <see cref="ILogger"/> class.</param>
public TradeManager(IExchangeClient client, ILogger logger)
{
this.client = client;
this.logger = logger;
}
public ChatService(IExchangeClient exchangeClient, IChat chat)
{
_exchangeClient = exchangeClient;
_chat = chat;
}
public CurrencyService(ICacheService cacheService, IExchangeClient exchangeClient)
{
_cacheService = cacheService;
_exchangeClient = exchangeClient;
}
public CurrencyRatesService(IExchangeClient exchangeClient, ICurrencyRatesRepository currencyRatesRepository)
{
this.exchangeClient = exchangeClient ?? throw new ArgumentNullException(nameof(exchangeClient));
this.currencyRatesRepository = currencyRatesRepository ?? throw new ArgumentNullException(nameof(currencyRatesRepository));
}
public ExchangeFunctions(IExchangeClient client)
{
_client = client;
}
