``` feat(gateApi): 添加网格交易最大持仓限制功能

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2026-06-09 ae09d21efc6c4ae0802ea9d4af2e419e2e61c2b6

 src/main/java/com/xcong/excoin/modules/platform/dao/PlatformCnyUsdtExchangeDao.java

@@ -3,7 +3,12 @@
import com.baomidou.mybatisplus.core.mapper.BaseMapper;

import com.xcong.excoin.modules.platform.entity.PlatformCnyUsdtExchangeEntity;



import java.math.BigDecimal;



public interface PlatformCnyUsdtExchangeDao extends BaseMapper<PlatformCnyUsdtExchangeEntity> {



   PlatformCnyUsdtExchangeEntity getCNYAndUSDTOne();

   

   void updateUsdt(BigDecimal value);



}