Global Constant

Value	Description
Exchange/E	a object with some exchange methods
Global/G	a object with some global methods
Exchanges/Es	an Exchange/E array

Exchange Type

Value	Description
okcoin.cn	www.okcoin.cn
huobi	www.huobi.com

Order Type

Value	Description
1	buy order
-1	sell order
2	buy market order
-2	sell market order

Records Period

Value	Description
M	1 minute
M5	5 minutes
M15	15 minutes
M30	30 minutes
H	1 hour
D	1 day
W	1 week