public async Task <decimal> GetCurrentPriceAsync(string baseAssetSymbol, string quoteAssetSymbol)
{
var symbol = $"{baseAssetSymbol}-{quoteAssetSymbol}";
var price = await _cache.GetAsync <TickerPrice>(ExchangesIntegratedType.Coinbase, symbol);
if (price == null)
{
price = await _coinbaseIntegrationClient.GetTickerPriceAsync(symbol);
if (price == null)
{
throw new System.InvalidOperationException($"symbol {symbol} not exists in Coinbase");
}
await _cache.AddAsync(price, ExchangesIntegratedType.Coinbase, symbol);
}
return(decimal.Parse(price.Price));
}
public async Task <decimal> GetCurrentPriceAsync(string baseAssetSymbol, string quoteAssetSymbol)
{
var symbol = $"{baseAssetSymbol}{quoteAssetSymbol}";
var price = await _cache.GetAsync <TickerPrice>(ExchangesIntegratedType.Binance, symbol);
if (price == null)
{
var listPrices = await _binanceIntegrationClient.GetTickerPricesAsync();
price = listPrices.FirstOrDefault(a => a.Symbol.Equals(symbol));
await _cache.AddAsync(listPrices, ExchangesIntegratedType.Binance, a => a.Symbol);
if (price == null)
{
throw new InvalidOperationException($"symbol {symbol} not exists in Binance");
}
}
return(decimal.Parse(price.Price));
}
public async Task <decimal> GetCurrentPriceAsync(string baseAssetSymbol, string quoteAssetSymbol)
{
var symbol = $"{baseAssetSymbol}{quoteAssetSymbol}";
var price = await _cache.GetAsync <TickerPrice>(ExchangesIntegratedType.HitBTC, symbol);
if (price == null)
{
var listPrices = await _hitBTCIntegrationClient.GetTickerPricesAsync();
price = listPrices.FirstOrDefault(a => a.Symbol.Equals(symbol));
await _cache.AddAsync(listPrices, ExchangesIntegratedType.HitBTC, a => a.Symbol);
if (price == null)
{
throw new System.InvalidOperationException($"symbol {symbol} not exists in HitBTC");
}
}
return(string.IsNullOrWhiteSpace(price.Last) ? decimal.Zero : decimal.Parse(price.Last));
}
public async Task <decimal> GetCurrentPriceAsync(string baseAssetSymbol, string quoteAssetSymbol)
{
//bitcointrade has pairs inverted use BRLBTC instead BTCBRL
var symbol = $"{quoteAssetSymbol}{baseAssetSymbol}";
var price = await _cache.GetAsync <TickerPrice>(ExchangesIntegratedType.BitcoinTrade, symbol);
if (price == null)
{
var response = await Policy
.Handle <ApiException>(ex => ex.StatusCode == HttpStatusCode.TooManyRequests)
.RetryAsync(_numberOfRetries)
.ExecuteAsync(async() => await _bitcoinTradeIntegrationClient.GetTickerPriceAsync(symbol));
if (response.Data == null)
{
throw new InvalidOperationException($"symbol {symbol} not exists in Bitcointrade");
}
price = response.Data;
await _cache.AddAsync(price, ExchangesIntegratedType.BitcoinTrade, symbol);
}
return(price.Sell);
}
