private async void EnsureHistoricalTrades()
{
if (!Exchange.SupportsHistoricalLoad)
{
return;
}
Logger.LogInformation("Ensure historical trades are captured.");
foreach (var symbolCode in ExchangeWorker.Configuration.Symbol)
{
var symbol = SymbolFactory.Get(symbolCode);
var lastTradeFilter = await HistorianRepository.GetTradeFilter(Exchange.Name, symbolCode);
var priority = string.Equals(lastTradeFilter, Exchange.GetHttpClient().InitialTradeFilter) ? 2 : 1;
var catchup = new HistorianTradeCatchup
{
Exchange = Exchange.Name,
SymbolCode = symbolCode,
TradeFilter = lastTradeFilter,
EpochTo = Epoch.Now,
CurrentTradeFilter = lastTradeFilter,
Priority = priority
};
await HistorianRepository.AddTradeCatchup(catchup);
}
}
private void BeginReceiveTradesHttp() => Task.Run(async() =>
{
using (Logger.BeginProtocolScope("Https"))
{
var symbols = ExchangeWorker.Configuration.Symbol.Select(symbolCode => SymbolFactory.Get(symbolCode)).Where(symbol => symbol.Tradable);
while (true)
{
if (!ExchangeWorker.Online)
{
await Task.Delay(1000);
continue;
}
foreach (var symbol in symbols)
{
using (Logger.BeginSymbolScope(symbol.Code))
{
try
{
var lastTradeFilter = await HistorianRepository.GetTradeFilter(Exchange.Name, symbol.Code);
TradeResult result;
using (var transaction = await StorageTransactionFactory.Begin())
{
result = await ExchangeTradeProvider.ReceiveTradesHttp(transaction, Logger, Exchange.Name, symbol, HttpClient, Limit, lastTradeFilter);
if (result != null)
{
await HistorianRepository.SetTradeFilter(transaction, Exchange.Name, symbol.Code, result.Filter);
}
await transaction.Commit();
}
if (result == null)
{
await Task.Delay(1000);
}
}
catch (Exception ex)
{
Logger.LogError(ex, "Unexpected error occurred");
}
}
}
}
}
});
public async Task <bool> Run(ILogger logger)
{
logger.LogInformation("Running repository bootstrapper");
try
{
foreach (var currency in CurrencyFactory.List())
{
await CurrencyRepository.Add(currency);
}
foreach (var symbol in SymbolFactory.List())
{
await SymbolRepository.Add(symbol);
}
foreach (var group in IntervalFactory.ListGroups())
{
foreach (var ik in IntervalFactory.ListIntervalKeys(group.IntervalGroup))
{
await IntervalRepository.Add(ik);
}
}
foreach (var exchange in ExchangeFactory.List())
{
await ExchangeRepository.Add(exchange);
var httpClient = exchange.GetHttpClient();
foreach (var symbolCode in exchange.Symbol)
{
var symbol = SymbolFactory.Get(symbolCode);
await SymbolRepository.Add(symbol);
await ExchangeRepository.AddSymbol(exchange.Name, symbolCode);
var tradeFilter = await HistorianRepository.GetTradeFilter(exchange.Name, symbolCode);
if (tradeFilter == null)
{
using (var transaction = await StorageTransactionFactory.Begin())
{
await HistorianRepository.SetTradeFilter(transaction, exchange.Name, symbolCode, httpClient.InitialTradeFilter);
await transaction.Commit();
}
}
}
}
foreach (var orderSide in OrderSideFactory.List())
{
await OrderSideRepository.Add(orderSide);
}
return(true);
}
catch (Exception ex)
{
logger.LogCritical(ex, "Unable to run repository bootstrapper");
return(false);
}
}
