public static async Task ForexDemo()
{
// use your AlphaVantage API key
string apiKey = "1";
// there are 5 more constructors available
using var client = new AlphaVantageClient(apiKey);
using var forexClient = client.Forex();
ForexTimeSeries forexTimeSeries = await forexClient.GetTimeSeriesAsync(
PhysicalCurrency.USD,
PhysicalCurrency.ILS,
Interval.Daily,
OutputSize.Compact);
ForexExchangeRate forexExchangeRate = await forexClient.GetExchangeRateAsync(PhysicalCurrency.USD, PhysicalCurrency.ILS);
}
public async Task ReturnValidExchangeRate()
{
using var client = new AlphaVantageClient(_apiKey);
using var forexClient = client.Forex();
var fromCurrency = PhysicalCurrency.USD;
var toCurrency = PhysicalCurrency.ILS;
var exchangeRate = await forexClient.GetExchangeRateAsync(fromCurrency, toCurrency);
exchangeRate.Should().NotBeNull()
.And.Match <ForexExchangeRate>(er =>
er.FromCurrencyCode == fromCurrency &&
string.IsNullOrEmpty(er.FromCurrencyName) == false &&
er.ToCurrencyCode == toCurrency &&
string.IsNullOrEmpty(er.ToCurrencyName) == false &&
er.ExchangeRate != default &&
er.LastRefreshed != default &&
string.IsNullOrEmpty(er.TimeZone) == false &&
er.BidPrice != default &&
er.AskPrice != default
);
}
public async Task ReturnValidTimeSeries(Interval interval, OutputSize outputSize)
{
using var client = new AlphaVantageClient(_apiKey);
using var forexClient = client.Forex();
var fromCurrency = PhysicalCurrency.USD;
var toCurrency = PhysicalCurrency.ILS;
var timeSeries = await forexClient.GetTimeSeriesAsync(fromCurrency, toCurrency, interval, outputSize);
timeSeries.Should().NotBeNull()
.And.Match <ForexTimeSeries>(ts =>
ts.Interval == interval &&
ts.FromCurrency == fromCurrency &&
ts.ToCurrency == toCurrency);
timeSeries.MetaData.Should().NotBeNull()
.And.HaveCountGreaterThan(1);
timeSeries.DataPoints.Should().NotBeNull()
.And.HaveCountGreaterThan(1)
.And.NotContainNulls()
.And.OnlyContain(dp => IsDataPointValid(dp));
}