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使用封装exchange.Buy，为啥老是报failed due to insufficient balance tag
Created 2022-01-19 21:05:36 Updated 2022-01-19 21:27:19
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是OK交易所，已经设了var ret = exchange.IO("api", "GET", "/api/v5/account/balance", "ccy=USDT")
指定了ETH-USDT，开单设定最小的1张合约
openLong(ticker.Last - 180, 1)
账户里还有680 usdt，足够开一手的ETH-USDT永续合约的，为啥一直报这个错呢
如果想下单时用usdt来设定仓位，而不是用张，应该如何设定呢？
谢谢！
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感觉var ret = exchange.IO("api", "GET", "/api/v5/account/balance", "ccy=USDT") 这句用的u本位计算权益；
但是下面的开单，好像却是币本位的方式开的单，如何转成为U本位的开单呢
5 years ago
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