Helius
2020-05-31 7db3689070adf273d1d23487eeccb327c33b1ab8
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package com.kebex.common;
 
import java.math.BigDecimal;
 
import com.kebex.app.entity.member.Member;
import com.kebex.app.entity.trade.TradeSetting;
import com.kebex.common.cache.TradeSettingCache;
 
public class CaculateUtil {
    
    /**
     * 计算预估强平价
     * 
     * @param prePrice        保证金
     * @param openPrice       开仓价
     * @param symbolSkuNumber 张数
     * @param lotNumber       规格
     * @param type            1:买多2:卖空
     * @return
     */
    public static BigDecimal getForceSetPrice(Double prePrice, Double openPrice, Long symbolSkuNumber, BigDecimal lotNumber,
            int type,Member member) {
        TradeSettingCache tradeSettingCache = WebUtil.getApplicationContext().getBean(TradeSettingCache.class);
        BigDecimal forcePrice = BigDecimal.ZERO;
        if (type == 2) {//卖空
            forcePrice = new BigDecimal(prePrice)
                    .divide(new BigDecimal(symbolSkuNumber).multiply(lotNumber),8,BigDecimal.ROUND_DOWN)
                    .add(new BigDecimal(openPrice));
            if(member.getIsProfit() == 1) {
                TradeSetting tradeSetting = tradeSettingCache.getTradeSetting();
                //预估强平价 = 预估强平价-预估强平价*系数
                forcePrice = forcePrice.subtract(forcePrice.multiply(new BigDecimal(tradeSetting.getForceParam())));
            }
        } else {//开多
            forcePrice = new BigDecimal(openPrice).subtract(new BigDecimal(prePrice)
                    .divide(new BigDecimal(symbolSkuNumber).multiply(lotNumber),8,BigDecimal.ROUND_DOWN));
            if(member.getIsProfit() == 1) {
                TradeSetting tradeSetting = tradeSettingCache.getTradeSetting();
                //预估强平价 = 预估强平价-预估强平价*系数
                forcePrice = forcePrice.add(forcePrice.multiply(new BigDecimal(tradeSetting.getForceParam())));
            }
        }
        if(forcePrice.compareTo(BigDecimal.ZERO)<0) {
            forcePrice = BigDecimal.ZERO;
        }
        return forcePrice;
    }
}