Trading cycle of engine

trading-engine-loop.js

        prepareMarket(self.market, timeout);
 
        var sales = self.market.trade();
        logger.info('trading completed');
 
        noteMarketPricesAndVolumes(self.marketPrices, self.volumeRecords, sales);
 
        persistSale(sales, function(err){
            if(err) logger.warn(err);
            else {
                logger.info('persisting completed, notifying involved parties...');
                _.each(sales, function(sale){
                    if(sale.buyer.event) sale.buyer.event(exports.EventType.PURCHASE, sale);
                    if(sale.seller.event) sale.seller.event(exports.EventType.SALE, sale);
                });
            }
            ...
            setTimeout(loop, 0 + delay); //let the process handle other stuff too
            ...
        });
    }