public void Start()
{
_pricesReader.SubscribeToChanges(prices =>
{
var tasks = new List <Task>();
foreach (var price in prices)
{
tasks.Add(_priceStream.WriteToStreamAsync(_mapper.Map <PriceUpdate>(price), price.AssetPairId));
}
Task.WhenAll(tasks).GetAwaiter().GetResult();
});
_candlesReader.SubscribeToChanges(candles =>
{
var tasks = new List <Task>();
foreach (var candle in candles)
{
var key = $"{candle.AssetPairId}_{candle.PriceType}_{candle.TimeInterval}";
tasks.Add(_candlesStream.WriteToStreamAsync(_mapper.Map <CandleUpdate>(candle), key));
}
Task.WhenAll(tasks).GetAwaiter().GetResult();
});
_tickersReader.SubscribeToChanges(tickers =>
{
var tasks = new List <Task>();
foreach (var ticker in tickers)
{
var priceEntity = _pricesReader.Get(PriceEntity.GetPk(), ticker.AssetPairId);
var priceUpdate = new PriceUpdate
{
AssetPairId = ticker.AssetPairId,
VolumeBase24H = ticker.VolumeBase.ToString(CultureInfo.InvariantCulture),
VolumeQuote24H = ticker.VolumeQuote.ToString(CultureInfo.InvariantCulture),
PriceChange24H = ticker.PriceChange.ToString(CultureInfo.InvariantCulture),
Timestamp = Timestamp.FromDateTime(ticker.UpdatedDt.ToUniversalTime())
};
if (priceEntity != null)
{
priceUpdate.Ask = priceEntity.Ask.ToString(CultureInfo.InvariantCulture);
priceUpdate.Bid = priceEntity.Bid.ToString(CultureInfo.InvariantCulture);
}
tasks.Add(_priceStream.WriteToStreamAsync(priceUpdate, priceUpdate.AssetPairId));
}
Task.WhenAll(tasks).GetAwaiter().GetResult();
});
_orderbooksReader.SubscribeToChanges(orderbooks =>
{
var tasks = new List <Task>();
foreach (var orderbook in orderbooks)
{
var item = _mapper.Map <Orderbook>(orderbook);
item.Asks.AddRange(_mapper.Map <List <Orderbook.Types.PriceVolume> >(orderbook.Asks));
item.Bids.AddRange(_mapper.Map <List <Orderbook.Types.PriceVolume> >(orderbook.Bids));
tasks.Add(_orderbookStream.WriteToStreamAsync(item, orderbook.AssetPairId));
}
Task.WhenAll(tasks).GetAwaiter().GetResult();
});
_sessionsReader.SubscribeToChanges(sessions => { });
Console.WriteLine("Stream services started.");
}
public void Start()
{
_pricesReader.SubscribeToChanges(prices =>
{
foreach (var price in prices)
{
_priceStraem.WriteToStream(_mapper.Map <PriceUpdate>(price));
}
});
_tickerReader.SubscribeToChanges(tickers =>
{
foreach (var ticker in tickers)
{
_tickerStream.WriteToStream(_mapper.Map <TickerUpdate>(ticker));
}
});
_orderbookReader.SubscribeToChanges(orderbooks =>
{
foreach (var orderbook in orderbooks)
{
var item = _mapper.Map <Orderbook>(orderbook);
item.Asks.AddRange(_mapper.Map <List <Orderbook.Types.PriceVolume> >(orderbook.Asks));
item.Bids.AddRange(_mapper.Map <List <Orderbook.Types.PriceVolume> >(orderbook.Bids));
_orderbookStream.WriteToStream(item, orderbook.AssetPairId);
}
});
_balanceReader.SubscribeToChanges(balances =>
{
var balancesByWallet = balances.GroupBy(x => x.WalletId);
foreach (var walletBalanes in balancesByWallet)
{
var balanceUpdate = new BalanceUpdate();
balanceUpdate.Balances.AddRange(_mapper.Map <List <Balance> >(walletBalanes.ToList()));
_balanceStream.WriteToStream(balanceUpdate, walletBalanes.Key);
}
});
_orderReader.SubscribeToChanges(ordersEntities =>
{
var ordersByWallet = ordersEntities.GroupBy(x => x.WalletId);
foreach (var walletOrders in ordersByWallet)
{
var orderUpdate = new OrderUpdate();
orderUpdate.Orders.AddRange(_mapper.Map <List <Order> >(walletOrders.ToList()));
_orderStream.WriteToStream(orderUpdate, walletOrders.Key);
}
});
_tradeReader.SubscribeToChanges(tradeEntities =>
{
var tradesByWallet = tradeEntities.GroupBy(x => x.WalletId);
foreach (var walletTrades in tradesByWallet)
{
var tradeUpdate = new TradeUpdate();
tradeUpdate.Trades.AddRange(_mapper.Map <List <Trade> >(walletTrades.ToList()));
_tradeStream.WriteToStream(tradeUpdate, walletTrades.Key);
}
});
Console.WriteLine("Stream services started.");
}