public async Task <IEnumerable <IOrderBook> > GetAllAsync()
{
var assetPairs = await _assetsHelper.GetAllAssetPairsAsync();
var orderBooks = new List <IOrderBook>();
foreach (var pair in assetPairs)
{
var buyBookJson = _distributedCache.GetStringAsync(_cacheSettings.GetOrderBookKey(pair.Id, true));
var sellBookJson = _distributedCache.GetStringAsync(_cacheSettings.GetOrderBookKey(pair.Id, false));
var buyBook = (await buyBookJson)?.DeserializeJson <OrderBook>();
if (buyBook != null)
{
orderBooks.Add(buyBook);
}
var sellBook = (await sellBookJson)?.DeserializeJson <OrderBook>();
if (sellBook != null)
{
orderBooks.Add(sellBook);
}
}
return(orderBooks);
}