Gekko works great but I have some questions

[0mathew0]

1. What's the difference between check and update?  They both seem to do the same thing. 
   
2. Do check/update get called at each quote from the exchange or just on a candlestick close?
   

Please correct me if I'm wrong but from my understanding, check get's called after each candle.close AFTER THE WARMUP
and update gets called every time (also during warmup) the candle closes.