public async Task <IEnumerable <OrderBookResult> > BuildOrderBook()
{
var assetPairs = (await _assetPairsRepository.GetAllAsync()).ToDictionary(itm => itm.Id);
var limitOrders = await _activeLimitOrdersRepository.GetAsync();
var result = new Dictionary <string, OrderBookResult>();
foreach (var limitOrder in limitOrders)
{
if (!assetPairs.ContainsKey(limitOrder.AssetPairId))
{
continue;
}
var assetPair = assetPairs[limitOrder.AssetPairId];
if (!result.ContainsKey(limitOrder.AssetPairId))
{
result.Add(limitOrder.AssetPairId, OrderBookResult.Create(assetPair));
}
var orderbook = result[limitOrder.AssetPairId];
orderbook.AddLimitOrder(limitOrder);
}
return(result.Values);
}
public static async Task <IAssetPair> GetAsync(this IAssetPairsRepository assetPairsRepository, string assetId1, string assetId2)
{
var assetPairs = await assetPairsRepository.GetAllAsync();
return(assetPairs.FirstOrDefault(itm =>
(itm.BaseAssetId == assetId1 && itm.QuotingAssetId == assetId2) ||
(itm.BaseAssetId == assetId2 && itm.QuotingAssetId == assetId1)));
}
public async Task <ActionResult> Index()
{
var viewModel = new AssetPairsIndexViewModel
{
Assets = (await _assetsRepository.GetAssetsAsync()).ToDictionary(itm => itm.Id),
AssetPairs = await _assetPairsRepository.GetAllAsync()
};
return(View(viewModel));
}
private async Task LoadCache()
{
var assetPairs = await _assetPairsRepository.GetAllAsync();
_cache = assetPairs.ToDictionary(itm => itm.Id);
}