public async Task <IActionResult> SeedBinance()
{
var coinMarketCapData = _httpClient.GetStringAsync("https://api.coinmarketcap.com/v2/listings/");
var binanceInfo = _httpClient.GetStringAsync("https://www.binance.com/api/v1/exchangeInfo");
await Task.WhenAll(binanceInfo, coinMarketCapData);
var cmcTemplate = new { data = new[] { new { name = "", symbol = "" } } };
var cmcData = JsonConvert.DeserializeAnonymousType(coinMarketCapData.Result, cmcTemplate).data;
var binanceInfoTemplate = new { symbols = new[] { new { symbol = "", baseAsset = "", quoteAsset = "" } } };
var symbols = JsonConvert.DeserializeAnonymousType(binanceInfo.Result, binanceInfoTemplate).symbols;
var binance = new Exchange
{
Id = "binance",
Web = "www.binance.com",
Name = "Binance",
ProvidesFullHistoryData = true,
};
_repo.Add(binance);
var errors = new List <string>();
var currencies = symbols.Aggregate(new HashSet <string>(), (res, val) => //Get unique currencies
{
res.Add(val.baseAsset);
res.Add(val.quoteAsset);
return(res);
});
foreach (var c in currencies) // Set currencies
{
var cmcMatches = cmcData.Where(o => o.symbol == c);
if (cmcMatches.Count() != 1)
{
errors.Add(c);
}
_currencyRepository.AddNotSave(new Currency
{
Id = c,
Name = cmcMatches.FirstOrDefault()?.name ?? c
});
}
_currencyRepository.Save();
foreach (var c in currencies) // Set exchangeCurrencies
{
_exchangeCurrencyRepository.AddNotSave(new ExchangeCurrency
{
Id = "binance_" + c,
CurrencyId = c,
ExchangeId = "binance",
CurrencyExchangeId = c
});
}
_exchangeCurrencyRepository.Save();
foreach (var m in symbols) // Set markets
{
_marketRepository.AddNotSave(new Market
{
MarketCurrencyId = m.quoteAsset,
CurrencyId = m.baseAsset,
Id = m.quoteAsset + "_" + m.baseAsset,
});
}
_marketRepository.Save();
foreach (var m in symbols) // Set exchange markets
{
_exchangeMarketRepository.AddNotSave(new ExchangeMarket
{
ExchangeId = "binance",
Id = "binance_" + m.quoteAsset + "_" + m.baseAsset,
MarketExchangeId = m.symbol,
MarketId = m.quoteAsset + "_" + m.baseAsset
});
}
_exchangeMarketRepository.Save();
return(Ok(errors));
}