Ejemplo n.º 1
0
        /// <summary>
        /// Initializes a new instance of the <see cref="StartBacktestCommand"/> class.
        /// </summary>
        /// <param name="inputs">inputs.</param>
        public StartBacktestCommand(string[] inputs)
            : base(inputs)
        {
            Parser parser = new Parser(x => x.HelpWriter = null);

            parser.ParseArguments <StartBacktestCommandArguments>(inputs)
            .WithNotParsed(_ => throw new InvalidCommandException("invalid arguments, use help to get more info"))
            .WithParsed(x => _args = x);

            // Check if the input type is a valid algorithm
            _algo = Reflections.GetAllImplementations(typeof(IBaseAlgorithm))
                    .FirstOrDefault(x => x.Name == _args.AlgorithmName)
                    ?? throw new InvalidCommandException($"{_args.AlgorithmName} is not a known algorithm");

            // Retrieve the settings type
            var settingsType = Reflections.GetAllSubtypes(typeof(AlgorithmConfiguration))
                               .FirstOrDefault(s => Reflections.AlgorithmMatchesConfiguration(_algo, s))
                               ?? throw new InvalidCommandException(
                                         $"{_args.AlgorithmName} does not have a configuration object and cannot be started.");

            // Optionally load with custom path.
            if (!_args.Inline)
            {
                _args.ConfigurationPath = _args.ConfigurationPath ?? _args.AlgorithmName + ".yaml";
                try
                {
                    _configuration = ConfigurationLoader.LoadConfiguration(settingsType, _args.ConfigurationPath);
                }
                catch (Exception e)
                {
                    throw new InvalidCommandException(e.Message);
                }
            }
            else
            {
                _configuration = BacktestDaemonService.GetConfigurationFromUser(settingsType);
            }

            DatabaseUtilities.Instance.ValidateCandleWidth(_configuration.TradingPairs, Configuration.Configuration.Instance.CandleWidth);
            ConfigureTimestampEdges(BacktestDaemonService.Instance.State, _args);
            Program.CommandLineArgs.BacktestOutputPath = _args.OutputPath;
        }