public async Task <Price[]> GetCurrentCoinPrice()
{
var response = "";
const string URL = "https://api.coingecko.com/api/v3/simple/price?vs_currencies=nzd&include_last_updated_at=true&ids=bitcoin,ethereum";
try
{
response = await _httpClient.GetStringAsync(URL);
}
catch (HttpRequestException e)
{
Console.WriteLine("\nException Caught!");
Console.WriteLine("Message :{0} ", e.Message);
//return empty Price array
return(new Price[0]);
}
Price[] prices = new Price[2];
CurrentPriceResponse currentPrice = JsonConvert.DeserializeObject <CurrentPriceResponse>(response);
prices[0] = new Price()
{
Value = currentPrice.bitcoin.nzd, Date = DateTimeOffset.Now.DateTime, Currency = "Bitcoin"
};
prices[1] = new Price()
{
Value = currentPrice.ethereum.nzd, Date = DateTimeOffset.Now.DateTime, Currency = "Ethereum"
};
return(prices);
}
public async Task <Price> GetCurrentBtcAndEthereumPrices()
{
var response = await _httpClient.GetStringAsync("https://api.coingecko.com/api/v3/simple/price?ids=bitcoin%2Cethereum&vs_currencies=nzd");
CurrentPriceResponse currentPrice = JsonConvert.DeserializeObject <CurrentPriceResponse>(response);
return(new Price()
{
BitcoinValue = currentPrice.Bitcoin.RateFloat, EthereumValue = currentPrice.Ethereum.RateFloat, Date = DateTime.UtcNow
});
}
public async Task <Price> GetCurrentEthPrice()
{
//Ethereum API provided by Coinbase
var response = await _httpClient.GetStringAsync("https://api.coinbase.com/v2/exchange-rates?currency=ETH");
CurrentPriceResponse currentPrice = JsonConvert.DeserializeObject <CurrentPriceResponse>(response);
return(new Price()
{
Value = currentPrice.Data.Rates.RateFloatNZD, Currency = "Ethereum(ETH)"
});
}
public List <CurrentPriceResponse> RemoveUsdt(List <CurrentPriceResponse> response)
{
var pickles = new List <CurrentPriceResponse>();
foreach (var coin in response)
{
if (coin.symbol.EndsWith("USDT"))
{
var tempObject = new CurrentPriceResponse();
tempObject.symbol = coin.symbol.Replace("USDT", "");
tempObject.price = coin.price;
pickles.Add(tempObject);
}
}
return(pickles);
}
