private async Task <IMultiPage <IBar> > getHistoricalBarsAsync(
HistoricalCryptoBarsRequest request,
CancellationToken cancellationToken = default) =>
await _httpClient.GetAsync <IMultiPage <IBar>, JsonMultiBarsPage>(
await request.EnsureNotNull(nameof(request)).Validate()
.GetUriBuilderAsync(_httpClient).ConfigureAwait(false),
cancellationToken).ConfigureAwait(false);
public Task <IMultiPage <IBar> > GetHistoricalBarsAsync(
HistoricalCryptoBarsRequest request,
CancellationToken cancellationToken = default) =>
request.Symbols.Count == 1
? listHistoricalBarsAsync(request, cancellationToken).AsMultiPageAsync <IBar, JsonMultiBarsPage>()
: getHistoricalBarsAsync(request, cancellationToken);