合约的限价单怎么下呢？挂单exchange.buy是限价吗手续费感觉跟市价单差不多呢。梦总在吗
The Little DreamThe contract order is the same as the spot order, using the ``exchange.Buy ```, ``exchange.Sell ``, and one more step to set the direction before the order, using the SetDirection function to set the direction, see the API documentation: > https://www.fmz.com/api#exchange.setdirection...
The Little Dream exchange.IO调用交易所的相关接口（计划委托接口）。
17732164739I've been thinking about how to plan for a commission, and I think the commissioning fee should be lower at the exchange.
17732164739Thank you very much.
The Little Dream> 1, as if there were no orders generated on the exchange. This is the ordering function, not the exchange's plan of ordering. For example, the current price is 1000, you can exchange.Buy ((900, 1) This is a single contract at 900. This is a limit order, limit price is 900. Of course you can't order more than 1000, if you exceed it, the transaction is done immediately. > 2, if this is set to exchange.Buy (price, quantity) at this point, if it doesn't reach the price I set, will it return an error? It has nothing to do with error reporting, as long as you successfully place the order, whether the order is transacted is only related to the current price, or in the example above, the price fell from 1000 to 900, your order is transacted, sell order etc. > 3, the question of the fees, Your order is to provide liquidity, or the maker rate, your order is to take liquidity, or the taker rate.
17732164739Dreams, I understand what you mean, but I still have 3 problems when I use this method you mentioned, 1, as if there is no order that generates a limit order on the exchange. 2, this is set to exchange.Buy (price, quantity) at this point if it does not reach the price I set, will it be wrong? 3, about the transaction fee issue, is the transaction fee for using this order 0.01% of the price list, as if the transaction fee is 0.05% of the market price.