Examples with CassandreStrategy tech.cassandre.trading.bot.strategy.CassandreStrategy used on opensource projects

Example 1 with CassandreStrategy

use of tech.cassandre.trading.bot.strategy.CassandreStrategy in project cassandre-trading-bot by cassandre-tech.

the class StrategiesAutoConfiguration method configure.

/**
 * Search for strategies and runs them.
 */
@PostConstruct
@SuppressWarnings("checkstyle:MethodLength")
public void configure() {
    // Retrieving all the beans have the @Strategy annotation.
    final Map<String, Object> strategies = applicationContext.getBeansWithAnnotation(CassandreStrategy.class);
    // =============================================================================================================
    // Configuration check.
    // We run tests to display and check if everything is ok with the configuration.
    final UserDTO user = checkConfiguration(strategies);
    // =============================================================================================================
    // Maintenance code.
    // If a position is blocked in OPENING or CLOSING, we send again the trades.
    // This could happen if cassandre crashes after saving a trade and did not have time to send it to
    // positionService. Here we force the status recalculation in PositionDTO, and we save it.
    positionRepository.findByStatusIn(Stream.of(OPENING, CLOSING).toList()).stream().map(POSITION_MAPPER::mapToPositionDTO).map(POSITION_MAPPER::mapToPosition).forEach(positionRepository::save);
    // =============================================================================================================
    // Importing tickers & candles into database.
    // Feature documentation is here: https://trading-bot.cassandre.tech/learn/import-historical-data.html
    loadTickersFromFiles();
    loadCandlesFromFiles();
    // =============================================================================================================
    // Creating flux.
    final ConnectableFlux<Set<AccountDTO>> connectableAccountFlux = accountFlux.getFlux().publish();
    final ConnectableFlux<Set<PositionDTO>> connectablePositionFlux = positionFlux.getFlux().publish();
    final ConnectableFlux<Set<OrderDTO>> connectableOrderFlux = orderFlux.getFlux().publish();
    final ConnectableFlux<Set<TickerDTO>> connectableTickerFlux = tickerFlux.getFlux().publish();
    final ConnectableFlux<Set<TradeDTO>> connectableTradeFlux = tradeFlux.getFlux().publish();
    // =============================================================================================================
    // Configuring strategies.
    // Data in database, services, flux...
    logger.info("Running the following strategies:");
    strategies.values().forEach(s -> {
        CassandreStrategyInterface strategy = (CassandreStrategyInterface) s;
        CassandreStrategy annotation = s.getClass().getAnnotation(CassandreStrategy.class);
        // Retrieving strategy information from annotation.
        final String strategyId = annotation.strategyId();
        final String strategyName = annotation.strategyName();
        // Displaying information about strategy.
        logger.info("- Strategy '{}/{}' (requires {})", strategyId, strategyName, strategy.getRequestedCurrencyPairs().stream().map(CurrencyPairDTO::toString).collect(Collectors.joining(", ")));
        // StrategyDTO: saving or updating the strategy in database.
        StrategyDTO strategyDTO;
        final Optional<Strategy> strategyInDatabase = strategyRepository.findByStrategyId(annotation.strategyId());
        if (strategyInDatabase.isEmpty()) {
            // =============================================================================================
            // If the strategy is NOT in database.
            Strategy newStrategy = new Strategy();
            newStrategy.setStrategyId(annotation.strategyId());
            newStrategy.setName(annotation.strategyName());
            strategyDTO = STRATEGY_MAPPER.mapToStrategyDTO(strategyRepository.save(newStrategy));
            logger.debug("Strategy created in database: {}", newStrategy);
        } else {
            // =============================================================================================
            // If the strategy is in database.
            strategyInDatabase.get().setName(strategyName);
            strategyDTO = STRATEGY_MAPPER.mapToStrategyDTO(strategyRepository.save(strategyInDatabase.get()));
            logger.debug("Strategy updated in database: {}", strategyInDatabase.get());
        }
        strategyDTO.initializeLastPositionIdUsed(positionRepository.getLastPositionIdUsedByStrategy(strategyDTO.getUid()));
        // Setting up configuration, dependencies and accounts in strategy.
        strategy.initializeAccounts(user.getAccounts());
        strategy.setConfiguration(getCassandreStrategyConfiguration(strategyDTO));
        strategy.setDependencies(getCassandreStrategyDependencies());
        // Calling user defined initialize() method.
        strategy.initialize();
        // Connecting flux to strategy.
        connectableAccountFlux.subscribe(strategy::accountsUpdates, throwable -> logger.error("AccountsUpdates failing: {}", throwable.getMessage()));
        connectablePositionFlux.subscribe(strategy::positionsUpdates, throwable -> logger.error("PositionsUpdates failing: {}", throwable.getMessage()));
        connectableOrderFlux.subscribe(strategy::ordersUpdates, throwable -> logger.error("OrdersUpdates failing: {}", throwable.getMessage()));
        connectableTradeFlux.subscribe(strategy::tradesUpdates, throwable -> logger.error("TradesUpdates failing: {}", throwable.getMessage()));
        connectableTickerFlux.subscribe(strategy::tickersUpdates, throwable -> logger.error("TickersUpdates failing: {}", throwable.getMessage()));
    });
    // =============================================================================================================
    // Starting flux.
    connectableAccountFlux.connect();
    connectablePositionFlux.connect();
    connectableOrderFlux.connect();
    connectableTradeFlux.connect();
    connectableTickerFlux.connect();
}