private async Task AssertProviderAsync(IExchangeRateProvider provider)
{
IEnumerable <ExchangeRate> rates = await provider.GetExchangeRateAsync();
var usdRate = Assert.Single(rates, x => x.Ticker == "USD");
Assert.NotEqual(0.0m, usdRate.Rate);
}
/// <summary>
/// Wrap a given exchange rate provider to allow to use the same rate for conversion in both directions
/// </summary>
/// <param name="rates">The provider to wrap</param>
public ExchangeRateBothWaysWrapper(IExchangeRateProvider rates)
{
if (rates == null)
{
throw new ArgumentNullException(nameof(rates));
}
_rates = rates;
}
public CurrencyParser(IExchangeRateProvider provider)
{
if (provider == null)
{
throw new ArgumentNullException(nameof(provider));
}
this.provider = provider;
}
public CurrencyConverter(IExchangeRateProvider exchangeRateProvider)
{
if (exchangeRateProvider == null)
{
throw new ArgumentNullException(nameof(exchangeRateProvider));
}
this.exchangeRateProvider = exchangeRateProvider;
}
public ExchangeRateUpdater(IJobManager jobManager, IExchangeRateProvider exchangeRateProvider, IContextHolder contextHolder)
{
_jobManager = jobManager;
_exchangeRateProvider = exchangeRateProvider;
_contextHolder = contextHolder;
LastExecuted = DateTime.Now.AddSeconds(-RepetitionIntervalInSeconds * 2);
_jobManager.Add(this);
}
/// <summary>
/// Convert the amount into a different currency
/// </summary>
/// <param name="exchangeRates">The exchange rates</param>
/// <param name="amount">The amount to convert</param>
/// <param name="targetCurrency">The currency to convert to</param>
/// <returns>The converted currency</returns>
///<exception cref="KeyNotFoundException" />
public static Money Convert(this IExchangeRateProvider exchangeRates, Money amount, Currency targetCurrency)
{
if (exchangeRates == null)
{
throw new ArgumentNullException(nameof(exchangeRates));
}
return
(exchangeRates.TryConvert(amount, targetCurrency) ??
throw new KeyNotFoundException(Resources.ExchangeRates_CannotFindExchangeRateForCurrencies));
}
/// <summary>
/// Try to get the exchange rate SOURCE->TARGET
/// </summary>
/// <param name="exchangeRates">The exchange rates</param>
/// <param name="sourceCurrency">The currency to convert from</param>
/// <param name="targetCurrency">The currency to convert to</param>
/// <returns>Either the exchange rate, or an exception</returns>
/// <exception cref="KeyNotFoundException"/>
public static ExchangeRate Get(this IExchangeRateProvider exchangeRates, Currency sourceCurrency, Currency targetCurrency)
{
if (exchangeRates == null)
{
throw new ArgumentNullException(nameof(exchangeRates));
}
return
(exchangeRates.TryGet(sourceCurrency, targetCurrency) ??
throw new KeyNotFoundException(Resources.ExchangeRates_CannotFindExchangeRateForCurrencies));
}
/// <summary>
/// ctor
/// </summary>
/// <param name="currencyRepository">currencyRepository</param>
/// <param name="exchangeRateProvider">exchangeRateProvider</param>
/// <param name="cacheManager">cacheManager</param>
public CurrencyService(
IRepository <Currency> currencyRepository,
IExchangeRateProvider exchangeRateProvider,
ICacheManager cacheManager
)
{
this._currencyRepository = currencyRepository;
this._exchangeRateProvider = exchangeRateProvider;
this._cacheManager = cacheManager;
}
public ExchangeRateService(
IExchangeRateProvider exchangeRateProvider,
ICoinbaseConnector coinbaseConnector,
IHubDbRepository dbRepository,
ILogger <ExchangeRateService> logger)
{
_exchangeRateProvider = exchangeRateProvider;
_coinbaseConnector = coinbaseConnector;
_dbRepository = dbRepository;
_logger = logger;
}
/// <summary>
/// Ctor
/// </summary>
/// <param name="cacheManager">Cache manager</param>
/// <param name="currencyRepository">Currency repository</param>
/// <param name="currencySettings">Currency settings</param>
/// <param name="eventPublisher">Event published</param>
/// <param name="exchangeRateProvider">Exchange rate provider</param>
public CurrencyService(ICacheManager cacheManager,
IRepository <Currency> currencyRepository,
CurrencySettings currencySettings,
IEventPublisher eventPublisher,
IExchangeRateProvider exchangeRateProvider)
{
this._cacheManager = cacheManager;
this._currencyRepository = currencyRepository;
this._currencySettings = currencySettings;
this._eventPublisher = eventPublisher;
this._exchangeRateProvider = exchangeRateProvider;
}
public async Task <IReadOnlyCollection <ExchangeRateProviderModel> > FetchProviderExchangeRateAsync(
string providerName,
string counterCurrency,
List <string> baseCurrencies)
{
IExchangeRateProvider provider = _exchangeRateProviderResolver.Resolve(providerName);
IReadOnlyCollection <ExchangeRateProviderModel> result = await provider
.FetchCurrencyRatesAsync(baseCurrencies, counterCurrency);
return(result);
}
public IExchangeRateProvider Resolve(string name)
{
IExchangeRateProvider provider = _exchangeRateProviders
.FirstOrDefault(p => p.ProviderName.Equals(name, StringComparison.OrdinalIgnoreCase));
if (provider == null)
{
throw new Exception("Exchange Rate Provider is not supported");
}
return(provider);
}
private void BindData()
{
string prv1 = SettingManager.GetSettingValue("ExchangeRateProvider1.Classname");
string prv2 = SettingManager.GetSettingValue("ExchangeRateProvider2.Classname");
string prv3 = SettingManager.GetSettingValue("ExchangeRateProvider3.Classname");
if (!String.IsNullOrEmpty(prv1))
{
Type t = Type.GetType(prv1, false);
if (t != null)
{
IExchangeRateProvider instance = Activator.CreateInstance(t) as IExchangeRateProvider;
if (instance != null)
{
ddlExchangeRateProviders.Items.Add(new ListItem(instance.Name, "1"));
}
}
}
if (!String.IsNullOrEmpty(prv2))
{
Type t = Type.GetType(prv2, false);
if (t != null)
{
IExchangeRateProvider instance = Activator.CreateInstance(t) as IExchangeRateProvider;
if (instance != null)
{
ddlExchangeRateProviders.Items.Add(new ListItem(instance.Name, "2"));
}
}
}
if (!String.IsNullOrEmpty(prv3))
{
Type t = Type.GetType(prv3, false);
if (t != null)
{
IExchangeRateProvider instance = Activator.CreateInstance(t) as IExchangeRateProvider;
if (instance != null)
{
ddlExchangeRateProviders.Items.Add(new ListItem(instance.Name, "3"));
}
}
}
ddlExchangeRateProviders.DataBind();
ddlExchangeRateProviders.SelectedValue = SettingManager.GetSettingValue("ExchangeRateProvider.Current");
}
/// <summary>
/// Convert the amount into a different currency
/// </summary>
/// <param name="exchangeRates">The exchange rates</param>
/// <param name="amount">The amount to convert</param>
/// <param name="targetCurrency">The currency to convert to</param>
/// <returns>The converted currency</returns>
public static Money?TryConvert(this IExchangeRateProvider exchangeRates, Money amount, Currency targetCurrency)
{
if (exchangeRates == null)
{
throw new ArgumentNullException(nameof(exchangeRates));
}
var rate = exchangeRates.TryGet(amount.Currency, targetCurrency);
if (rate == null)
{
return(null);
}
return(amount * rate);
}
public UpdateCurrencyCommand(IExchangeRateProvider provider, Currency currency, decimal rate)
{
if (provider == null)
{
throw new ArgumentNullException(nameof(provider));
}
if (currency == null)
{
throw new ArgumentNullException(nameof(currency));
}
this.provider = provider;
this.currency = currency;
this.rate = rate;
}
public void Setup()
{
mock = new Mock <IExchangeRateProvider>();
mock.Setup(e => e.GetExchangeRate(It.IsAny <string>()))
.Throws(new NotSupportedException(NOT_A_VALID_CURRENCY));
mock.Setup(e => e.GetExchangeRate("INR")).Returns(inr);
mock.Setup(e => e.GetExchangeRate("USD")).Returns(usd);
mock.Setup(e => e.GetExchangeRate("THB")).Returns(thb);
mock.Setup(e => e.GetExchangeRate("EUR")).Returns(eur);
mock.Setup(e => e.GetExchangeRate(It.Is <string>(s => s.Length != 3)))
.Throws(new ArgumentException(INVALID_CURRENCY_FORMAT));
provider = mock.Object;
converter = new CurrencyConverter(provider);
}
public void Setup()
{
mock = new Mock <IExchangeRateProvider>();
//mock.Setup(e => e.GetExchangeRate(It.IsAny<string>()))
// .Throws(new NotSupportedException(NOT_A_VALID_CURRENCY));
mock.Setup(e => e.Add(It.IsAny <String>(), It.IsAny <double>()))
.Callback <string, double>((s, r) => rates[s.ToLower()] = r);
mock.Setup(e => e.GetExchangeRate(It.IsAny <String>()))
.Returns <string>(s =>
{
if (s.Length != 3)
{
throw new ArgumentException(INVALID_CURRENCY_FORMAT);
}
s = s.ToLower();
if (rates.ContainsKey(s))
{
return(rates[s]);
}
else
{
throw new NotSupportedException(NOT_A_VALID_CURRENCY);
}
});
provider = mock.Object;
provider.Add("INR", inr);
provider.Add("USD", usd);
provider.Add("THB", thb);
provider.Add("EUR", eur);
converter = new CurrencyConverter(provider);
}
public ExchangeConversion(IExchangeRateProvider provider, Money from)
{
_provider = provider;
_from = from;
}
public ExchangeRateProvider(IExchangeRateProvider provider)
{
this.provider = provider ?? throw new System.Exception("Provider should be set!");
}
public OffchainController(IMemoryCache memoryCache, IExchangeRateProvider exchangeRateProvider)
{
Cache = memoryCache;
ExchangeRateProvider = exchangeRateProvider;
}
public CurrencyConvertService(IExchangeRateProvider exchangeRateProvider)
{
_exchangeRateProvider = exchangeRateProvider;
}
public CurrencyConverter(IExchangeRateProvider provider)
{
this.provider = provider;
}
public HomeController(IEnumerable <IExchangeRateProvider> providerServices, ICalculationService calculationService, IExchangeRateProvider referenceExchangeRateProvider)
{
this.providerServices = providerServices;
this.calculationService = calculationService;
this.referenceExchangeRateProvider = referenceExchangeRateProvider;
}
private static CurrencyConverter CreateCurrencyConverter(IExchangeRateProvider provider = null)
{
return(new CurrencyConverter(provider));
}
public ExchangeService(IExchangeRateProvider ratesProvider)
{
_ratesProvider = ratesProvider;
}
public BlockchainController(IMemoryCache memoryCache, IExchangeRateProvider exchangeRateProvider)
{
_cache = memoryCache;
_exchangeRateProvider = exchangeRateProvider;
}
public CurrencyParser(IExchangeRateProvider provider)
{
_provider = provider ?? throw new ArgumentNullException(nameof(provider));
}
public UpdateCurrencyCommand(IExchangeRateProvider provider, Currency currency, decimal rate)
{
_provider = provider ?? throw new ArgumentNullException(nameof(provider));
_currency = currency ?? throw new ArgumentNullException(nameof(currency));
_rate = rate;
}
public RatesController(IExchangeRateProvider exchangeRateProvider)
{
_exchangeRateProvider = exchangeRateProvider;
}
public Exchanger(RoundCalculator roundCalculator, IExchangeRateProvider exchangeRateProvider)
{
RoundCalculator = roundCalculator;
ExchangeRateProvider = exchangeRateProvider;
}