public static async Task <EtherGasBotData> GetEtherGas(string apiKey)
{
EtherGasBotData returnValue = new EtherGasBotData();
HttpClient client = new HttpClient();
var streamTask = client.GetStreamAsync("https://api.etherscan.io/api?module=gastracker&action=gasoracle&apikey=" + apiKey);
var streamTask2 = client.GetStreamAsync("https://api.etherscan.io/api?module=stats&action=ethprice&apikey=" + apiKey);
var responseFirst = await JsonSerializer.DeserializeAsync <EthAnswer>(await streamTask);
var responseSecond = await JsonSerializer.DeserializeAsync <EthAnswer>(await streamTask2);
if (responseFirst.status == "1")
{
returnValue.GasAvarage = responseFirst.result["ProposeGasPrice"];
returnValue.IsGasGet = true;
}
if (responseSecond.status == "1")
{
returnValue.EthBtc = responseSecond.result["ethbtc"];
returnValue.EthBtcTime = responseSecond.result["ethbtc_timestamp"];
returnValue.EthUsd = responseSecond.result["ethusd"];
returnValue.EthUsdTime = responseSecond.result["ethusd_timestamp"];
returnValue.IsEthGet = true;
}
return(returnValue);
}
public async Task <string> GetCryptoInfoAsync()
{
CancellationTokenSource source = new CancellationTokenSource();
CancellationToken token = source.Token;
var newCrypto = await GetEtherGas(ConfigurationManager.AppSettings["etherScanApi"]);
var result = "Текущийкурс Ether: " + newCrypto.EthUsd + "$" + Environment.NewLine;
var lastCryptoDataDb = _dbContext.CryptoInfo.AsQueryable().OrderByDescending(x => x.Id).FirstOrDefault();
EtherGasBotData lastCryptoData = null;
if (lastCryptoDataDb != null)
{
lastCryptoData = new EtherGasBotData()
{
EthUsdTime = lastCryptoDataDb.EthUsdTime,
EthBtc = lastCryptoDataDb.EthBtc.ToString(CultureInfo.InvariantCulture),
EthBtcTime = lastCryptoDataDb.EthBtcTime,
EthUsd = lastCryptoDataDb.EthUsd.ToString(CultureInfo.InvariantCulture)
};
}
CryptoInfo cryptoInfoNew = new CryptoInfo()
{
EthBtc = Convert.ToDouble(newCrypto.EthBtc, CultureInfo.InvariantCulture),
EthBtcTime = newCrypto.EthBtcTime,
EthUsd = Convert.ToDouble(newCrypto.EthUsd, CultureInfo.InvariantCulture),
EthUsdTime = newCrypto.EthUsdTime,
GasAvarage = Convert.ToInt32(newCrypto.GasAvarage)
};
_dbContext.CryptoInfo.Add(cryptoInfoNew);
await _dbContext.SaveChangesAsync(token);
if (lastCryptoData != null)
{
double procent = ((Convert.ToDouble(newCrypto.EthUsd, CultureInfo.InvariantCulture) / Convert.ToDouble(lastCryptoData.EthUsd, CultureInfo.InvariantCulture) - 1) * 100);
long timePassed = long.Parse(newCrypto.EthUsdTime) - long.Parse(lastCryptoData.EthUsdTime);
TimeSpan timePassedTime = new TimeSpan(0, 0, (int)timePassed);
result += "Разница между сессиями: " + Math.Round(procent, 2) + "% за " + timePassedTime.ToString(@"dd\ hh\:mm\:ss") + Environment.NewLine;
}
result += "Газ: " + newCrypto.GasAvarage + " gwei";
return(result);
}
