public void ChangeAlgorithmConfiguration(Type algorithm, AlgorithmConfiguration config)
{
Guard.Argument(algorithm).Require(Reflections.IsAlgorithm, x => $"{x} is not an algorithm");
if (!Reflections.AlgorithmMatchesConfiguration(algorithm, config.GetType()))
{
throw new InvalidOperationException($"Cannot set algorithm to {algorithm} with config {config} because they are not compatible.");
}
__algorithm = algorithm.Name;
_enabledAlgorithmConstructor.Invalidate();
AlgorithmConfiguration = config;
}
/// <summary>
/// Builds container by evaluation the Trading command line argument.
/// </summary>
/// <param name="algorithmConfiguration">The configuration of the algorithm.</param>
/// <typeparam name="T">The type of the algorithm.</typeparam>
/// <returns>Binance container with providers.</returns>
public ExchangeProvidersContainer BuildContainer <T>(AlgorithmConfiguration algorithmConfiguration)
where T : IBaseAlgorithm
{
if (!Reflections.AlgorithmMatchesConfiguration(typeof(T), algorithmConfiguration.GetType()))
{
throw new InvalidOperationException(
$"Cannot build container for {typeof(T).Name} using a {algorithmConfiguration.GetType().Name} object");
}
return(Program.CommandLineArgs.Trading
? BuildBinanceContainer <T>(algorithmConfiguration)
: BuildBacktestingContainer <T>(algorithmConfiguration));
}
/// <summary>
/// Starts the algorithm using a custom configuration object.
/// </summary>
/// <param name="algorithm">Algorithm to start.</param>
/// <param name="configuration">Configuration object.</param>
/// <returns>If the algorithm was started successfully.</returns>
public ResponseObject StartAlgorithm(Type algorithm, AlgorithmConfiguration configuration)
{
if (!Reflections.AlgorithmMatchesConfiguration(algorithm, configuration.GetType()))
{
return(new ResponseObject(ResponseCode.Error, $"Provided settings object is of type {configuration.GetType()} and does not match {algorithm}"));
}
// Call StartAlgorithm<T> to start the algorithm
return(GetType()
.GetMethod(
nameof(StartAlgorithm),
BindingFlags.Instance | BindingFlags.NonPublic,
Type.DefaultBinder,
new[] { typeof(AlgorithmConfiguration) },
null)
.MakeGenericMethod(algorithm)
.Invoke(this, new object[] { configuration }) as ResponseObject);
}
/// <summary>
/// Initializes a new instance of the <see cref="StartBacktestCommand"/> class.
/// </summary>
/// <param name="inputs">inputs.</param>
public StartBacktestCommand(string[] inputs)
: base(inputs)
{
Parser parser = new Parser(x => x.HelpWriter = null);
parser.ParseArguments <StartBacktestCommandArguments>(inputs)
.WithNotParsed(_ => throw new InvalidCommandException("invalid arguments, use help to get more info"))
.WithParsed(x => _args = x);
// Check if the input type is a valid algorithm
_algo = Reflections.GetAllImplementations(typeof(IBaseAlgorithm))
.FirstOrDefault(x => x.Name == _args.AlgorithmName)
?? throw new InvalidCommandException($"{_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;
}
