public async Task GetPrices()
{
var prices = await _api.GetPricesAsync();
Assert.NotNull(prices);
Assert.NotEmpty(prices);
}
/// <summary>
/// Get all symbols.
/// </summary>
/// <param name="api"></param>
/// <param name="token"></param>
/// <returns></returns>
public static async Task <IEnumerable <string> > SymbolsAsync(this IBinanceApi api, CancellationToken token = default)
{
Throw.IfNull(api, nameof(api));
return((await api.GetPricesAsync(token).ConfigureAwait(false))
.Select(p => p.Symbol));
}
private async Task <ImmutableDictionary <string, decimal> > InitializeSymbolPrices()
{
try
{
var symbolPrices = await _binanceApi.GetPricesAsync();
var immutableSymbolPrices = symbolPrices.ToImmutableList();
var immutablePrices = symbolPrices.ToImmutableDictionary(s => s.Symbol, s => s.Value);
_cache.SetSymbolPrices(immutablePrices);
foreach (var symbolPrice in immutableSymbolPrices)
{
_cache.SetSymbolPrice(symbolPrice.Symbol, symbolPrice.Value);
}
return(immutablePrices);
}
catch (Exception ex)
{
_cache.ClearSymbolPrices();
_log.LogError($"Symbol Prices initialization error {ex.Message}");
return(new Dictionary <string, decimal>().ToImmutableDictionary());
}
}
private async Task <ImmutableDictionary <string, decimal> > InitializeSymbolPrices()
{
var symbolPrices = await _binanceApi.GetPricesAsync();
var immutablePrices = symbolPrices.ToImmutableDictionary(s => s.Symbol, s => s.Value);
_cache.SetSymbolPrices(immutablePrices);
return(immutablePrices);
}
