From d6e668861fe09bce595ed6ea9746ed733fbcb606 Mon Sep 17 00:00:00 2001
From: Helius <wangdoubleone@gmail.com>
Date: Wed, 12 Aug 2020 19:02:44 +0800
Subject: [PATCH] Merge branch 'whole' of https://gitee.com/chonggaoxiao/new_excoin into whole
---
src/main/java/com/xcong/excoin/utils/CalculateUtil.java | 79 ++++++++++++++++++++++++++++++++++++++-
1 files changed, 76 insertions(+), 3 deletions(-)
diff --git a/src/main/java/com/xcong/excoin/utils/CalculateUtil.java b/src/main/java/com/xcong/excoin/utils/CalculateUtil.java
index a11fcb6..1d0c233 100644
--- a/src/main/java/com/xcong/excoin/utils/CalculateUtil.java
+++ b/src/main/java/com/xcong/excoin/utils/CalculateUtil.java
@@ -1,6 +1,11 @@
package com.xcong.excoin.utils;
+import com.xcong.excoin.common.exception.GlobalException;
+import com.xcong.excoin.common.response.Result;
+import com.xcong.excoin.modules.contract.dao.ContractHoldOrderDao;
+import com.xcong.excoin.modules.contract.entity.ContractHoldOrderEntity;
+import com.xcong.excoin.modules.member.dao.MemberWalletContractDao;
import com.xcong.excoin.modules.member.entity.MemberEntity;
import com.xcong.excoin.modules.platform.entity.PlatformTradeSettingEntity;
import lombok.extern.slf4j.Slf4j;
@@ -16,7 +21,7 @@
/**
* 计算预估强平价
*
- * @param bondAmount 保证金
+ * @param bondAmount 保证金
* @param openPrice 开仓价
* @param symbolSkuNumber 张数
* @param lotNumber 规格
@@ -33,13 +38,13 @@
forcePrice = money.add(openPrice);
if (member.getIsForce() == 1) {
//预估强平价 = 预估强平价-预估强平价*系数
- forcePrice = forcePrice.subtract(forcePrice.multiply(member.getForceParam()));
+ forcePrice = forcePrice.subtract(forcePrice.multiply(member.getForceParam() == null ? BigDecimal.ZERO : member.getForceParam()));
}
} else {//开多
forcePrice = openPrice.subtract(money);
if (member.getIsForce() == 1) {
//预估强平价 = 预估强平价-预估强平价*系数
- forcePrice = forcePrice.add(forcePrice.multiply(member.getForceParam()));
+ forcePrice = forcePrice.add(forcePrice.multiply(member.getForceParam() == null ? BigDecimal.ZERO : member.getForceParam()));
}
}
if (forcePrice.compareTo(BigDecimal.ZERO) < 0) {
@@ -47,4 +52,72 @@
}
return forcePrice;
}
+
+ /**
+ * 计算保证金 -- 建仓价*规格*手数*(1/杠杆倍率)
+ *
+ * @param openingPrice 开仓价
+ * @param lotNumber 规格
+ * @param symbolCnt 张数
+ * @param leverRatio 杠杆倍率
+ * @return
+ */
+ public static BigDecimal getBondAmount(BigDecimal openingPrice, BigDecimal lotNumber, Integer symbolCnt, Integer leverRatio) {
+ return openingPrice.multiply(lotNumber).multiply(new BigDecimal(symbolCnt))
+ .multiply(BigDecimal.ONE.divide(new BigDecimal(leverRatio)))
+ .setScale(8, BigDecimal.ROUND_DOWN);
+ }
+
+ /**
+ * 全仓模式 -- 预估强平价
+ * 面值*(多单张数*多单开仓价-空单张数*空单开仓价)-余额-已实现盈亏 / 面值*(多单张数-空单张数)-(维持保证金率+TAKER手续费)*面值*(开多张数+开空张数)
+ *
+ * @return
+ */
+ public static BigDecimal getForceSetPriceForWhole(MemberEntity memberEntity) {
+ ContractHoldOrderDao holdOrderDao = SpringContextHolder.getBean(ContractHoldOrderDao.class);
+ MemberWalletContractDao walletContractDao = SpringContextHolder.getBean(MemberWalletContractDao.class);
+ CacheSettingUtils cacheSettingUtils = SpringContextHolder.getBean(CacheSettingUtils.class);
+ return null;
+ }
+
+ /**
+ * 计算开仓价
+ *
+ * @param orderType 订单类型
+ * @param newPrice 当前价
+ * @param spread 划点
+ * @return
+ */
+ public static BigDecimal getOpeningPrice(int orderType, BigDecimal newPrice, BigDecimal spread) {
+ BigDecimal openingPrice = BigDecimal.ZERO;
+ if (orderType == ContractHoldOrderEntity.OPENING_TYPE_MORE) {
+ // 市场价*(1 + (点差/10000))
+ openingPrice = newPrice.multiply(BigDecimal.ONE.add(spread.divide(new BigDecimal(10000)))).setScale(8, BigDecimal.ROUND_DOWN);
+
+ // 开空
+ } else if (orderType == ContractHoldOrderEntity.OPENING_TYPE_LESS) {
+ // 市场价*(1 - (点差/10000))
+ openingPrice = newPrice.multiply(BigDecimal.ONE.subtract(spread.divide(new BigDecimal(10000)))).setScale(8, BigDecimal.ROUND_DOWN);
+ } else {
+ throw new GlobalException(MessageSourceUtils.getString("unknown_type"));
+ }
+ return openingPrice;
+ }
+
+ /**
+ * 计算开仓手续费
+ *
+ * @param openingPrice 开仓价
+ * @param lotNumber 规格
+ * @param count 张数
+ * @param feeRatio 手续费率
+ * @return
+ */
+ public static BigDecimal getOpenFeePrice(BigDecimal openingPrice, BigDecimal lotNumber, int count, BigDecimal feeRatio) {
+ return openingPrice.multiply(lotNumber)
+ .multiply(new BigDecimal(count))
+ .multiply(feeRatio.divide(new BigDecimal(100)))
+ .setScale(8, BigDecimal.ROUND_DOWN);
+ }
}
--
Gitblit v1.9.1