示例#1
0
    public async Task <ExchangeRateDto?> CreateOrUpdateExchangeRate(string currency)
    {
        var exchangeRateFromCoinbase =
            await _coinbaseConnector.GetExchangeRatesForCurrency(currency);

        if (exchangeRateFromCoinbase == null)
        {
            _logger.LogError("Data from Coinbase for exchange rate {Currency} was null", currency);
            return(null);
        }

        var nokRate = exchangeRateFromCoinbase.Rates[ExchangeRateConstants.NOK];
        var usdRate = exchangeRateFromCoinbase.Rates[ExchangeRateConstants.USD];
        var eurRate = exchangeRateFromCoinbase.Rates[ExchangeRateConstants.EUR];

        var exchangeRates = await _exchangeRateProvider.GetExchangeRates(new ExchangeRateSearchParameters { Currencies = new [] { currency } });

        var exchangeRate = exchangeRates.FirstOrDefault();

        if (exchangeRate != null)
        {
            exchangeRate.NOKRate = nokRate;
            exchangeRate.USDRate = usdRate;
            exchangeRate.EURRate = eurRate;

            _dbRepository.QueueUpdate <ExchangeRate, ExchangeRateDto>(exchangeRate);
        }
        else
        {
            exchangeRate = new ExchangeRateDto
            {
                Currency = currency,
                NOKRate  = nokRate,
                USDRate  = usdRate,
                EURRate  = eurRate
            };

            _dbRepository.QueueAdd <ExchangeRate, ExchangeRateDto>(exchangeRate);
        }

        await _dbRepository.ExecuteQueueAsync();

        return(exchangeRate);
    }
    public async Task UpdateAccountBalance()
    {
        var coinbaseProAccounts = await _dbRepository
                                  .WhereAsync <Account, AccountDto>(x => x.Exchange == "CoinbasePro");

        var coinbaseProAccountsCount = coinbaseProAccounts.Count;

        _logger.LogInformation("Updating {Count} CoinbasePro-accounts", coinbaseProAccountsCount);

        var counter = 0;

        var timer = new Stopwatch();

        timer.Start();

        foreach (var account in coinbaseProAccounts)
        {
            var now = DateTime.Now;

            var assetHistoryForCurrentDay = GetAssetHistoryForCurrentDay(account, now);

            if (assetHistoryForCurrentDay == null)
            {
                AddAssetHistory(account);
            }
            else
            {
                UpdateAssetHistory(assetHistoryForCurrentDay, account);
            }

            counter++;
        }

        await _dbRepository.ExecuteQueueAsync();

        timer.Stop();

        _logger.LogInformation("Finished updating CoinbasePro asset history for {Count} of {Total} accounts in {Seconds} seconds", counter, coinbaseProAccountsCount, timer.Elapsed.TotalSeconds);
    }
    public async Task UpdateAccounts()
    {
        var accountsInDb = await _dbRepository
                           .WhereAsync <Account, AccountDto>(x => x.Exchange == "Coinbase");

        var coinbaseAccounts = await _coinbaseConnector.GetAccounts();

        var coinbaseAccountsCount = coinbaseAccounts.Count;

        var counter = 0;

        _logger.LogInformation("Updating {Count} Coinbase-accounts", coinbaseAccountsCount);

        var timer = new Stopwatch();

        timer.Start();

        foreach (var coinbaseAccount in coinbaseAccounts)
        {
            try
            {
                await UpdateAccount(coinbaseAccount, accountsInDb);

                counter++;
            }
            catch (Exception e)
            {
                _logger.LogError(e, "Failed updating Coinbase-account {Account}", coinbaseAccount.Currency.Name);
            }
        }

        await _dbRepository.ExecuteQueueAsync();

        timer.Stop();

        _logger.LogInformation("Finished updating {Counter} of {Total} Coinbase-accounts in {Seconds} seconds", counter, coinbaseAccountsCount, timer.Elapsed.TotalSeconds);
    }