public async Task PreviewBotsCreation(int numberOfBots, BotSettingViewModel settings, CancellationToken cancellationToken)
{
var existingBots = await GetAllBots();
var blacklistedPairs = await RetrieveBlacklistedPairs();
int created = 0;
_logger.LogInformation($"Retrieving pairs from {_exchange.Name}...");
var prices = await _exchange.GetAllPairsByQuoteCurrency(settings.QuoteCurrency);
_logger.LogInformation($"{prices.Count} Pairs for {settings.QuoteCurrency.ToUpper()} found");
foreach (var pair in prices.OrderByDescending(x => x.TotalTradedQuoteAssetVolume))
{
if (cancellationToken.IsCancellationRequested)
{
_logger.LogInformation($"Operation cancelled!");
break;
}
var symbol = TransformPairTo3CommasSymbolString(pair.QuoteCurrency, pair.BaseCurrency);
if (SymbolShouldBeSkipped(symbol, settings.SkipExistingPairs, settings.SkipBaseStablecoin, settings.Strategy, pair, existingBots, settings.SkipBlacklistedPairs, blacklistedPairs))
{
continue;
}
var marketData = await _xCommasClient.GetCurrencyRateAsync(symbol);
if (!marketData.IsSuccess)
{
if (!marketData.Error.StartsWith("Unknown pair"))
{
_logger.LogInformation($"Skipped Pair {symbol}. Reason: '{marketData.Error}'");
}
continue;
}
var botName = NameHelper.GenerateBotName(settings.Botname, symbol, settings.Strategy);
_logger.LogInformation($"Bot to be created: '{botName}'");
if (settings.BuyBaseCurrency && settings.BaseCurrencyToBuy > 0)
{
_logger.LogInformation($"Market Buy Order to be placed: {settings.BaseCurrencyToBuy} {pair.QuoteCurrency}");
}
created++;
if (created == numberOfBots)
{
break;
}
}
_logger.LogInformation($"{created} bots to be created");
}