From d174d6963d62b3bd176f9e7ba3cf0d7f75a91b69 Mon Sep 17 00:00:00 2001
From: zainali5120 <512061637@qq.com>
Date: Wed, 16 Sep 2020 16:03:22 +0800
Subject: [PATCH] 撮合交易代码提交
---
src/main/java/com/xcong/excoin/trade/CoinTrader.java | 91 +++++++++++++++++++++++++++++++++++++--------
1 files changed, 75 insertions(+), 16 deletions(-)
diff --git a/src/main/java/com/xcong/excoin/trade/CoinTrader.java b/src/main/java/com/xcong/excoin/trade/CoinTrader.java
index ca79fe9..fc4a8fc 100644
--- a/src/main/java/com/xcong/excoin/trade/CoinTrader.java
+++ b/src/main/java/com/xcong/excoin/trade/CoinTrader.java
@@ -53,7 +53,7 @@
* 初始化交易线程
*/
public void initialize() {
- logger.info("init CoinTrader for symbol {}", symbol);
+ //logger.info("init CoinTrader for symbol {}", symbol);
//买单队列价格降序排列
buyLimitPriceQueue = new TreeMap<>(Comparator.reverseOrder());
//卖单队列价格升序排列
@@ -107,7 +107,7 @@
if (exchangeOrder.getTradeType() != OrderCoinsEntity.TRADETYPE_MARKETPRICE) {
return;
}
- logger.info("addMarketPriceOrder,orderId = {}", exchangeOrder.getId());
+ //logger.info("addMarketPriceOrder,orderId = {}", exchangeOrder.getId());
LinkedList<OrderCoinsEntity> list = exchangeOrder.getOrderType() == OrderCoinsEntity.ORDERTYPE_BUY ? buyMarketQueue : sellMarketQueue;
synchronized (list) {
list.addLast(exchangeOrder);
@@ -136,7 +136,7 @@
}
//logger.info("trade order={}",exchangeOrder);
if (!symbol.equalsIgnoreCase(exchangeOrder.getSymbol())) {
- logger.info("unsupported symbol,coin={},base={}", exchangeOrder.getSymbol(), "USDT");
+ //logger.info("unsupported symbol,coin={},base={}", exchangeOrder.getSymbol(), "USDT");
return;
}
// 如果
@@ -203,7 +203,10 @@
OrderCoinsEntity matchOrder = orderIterator.next();
//处理匹配
ExchangeTrade trade = processMatch(focusedOrder, matchOrder);
- exchangeTrades.add(trade);
+ if(trade!=null){
+ exchangeTrades.add(trade);
+ }
+
//判断匹配单是否完成
if (matchOrder.getOrderStatus() == OrderCoinsEntity.ORDERSTATUS_DONE) {
//当前匹配的订单完成交易，删除该订单
@@ -304,7 +307,7 @@
if (trade != null) {
exchangeTrades.add(trade);
}
- //判断匹配单是否完成
+ //判断匹配单是否完成 TODO
if (matchOrder.getOrderStatus() == OrderCoinsEntity.ORDERSTATUS_DONE) {
//当前匹配的订单完成交易，删除该订单
orderIterator.remove();
@@ -364,12 +367,12 @@
*/
private BigDecimal adjustMarketOrderTurnover(OrderCoinsEntity order, BigDecimal dealPrice) {
if (order.getOrderType() == OrderCoinsEntity.ORDERTYPE_BUY && order.getTradeType() == OrderCoinsEntity.TRADETYPE_MARKETPRICE) {
-// BigDecimal leftTurnover = order.getAmount().subtract(order.getTurnover());
-// if(leftTurnover.divide(dealPrice,coinScale,BigDecimal.ROUND_DOWN)
-// .compareTo(BigDecimal.ZERO)==0){
-// order.setTurnover(order.getAmount());
-// return leftTurnover;
-// }
+ BigDecimal leftTurnover = order.getEntrustAmount().subtract(order.getDealAmount());
+ if(leftTurnover.divide(dealPrice,coinScale,BigDecimal.ROUND_DOWN)
+ .compareTo(BigDecimal.ZERO)==0){
+ //order.setDealAmount(order.getEntrustAmount());
+ return leftTurnover;
+ }
}
return BigDecimal.ZERO;
}
@@ -400,7 +403,7 @@
availAmount = calculateTradedAmount(matchOrder, dealPrice);
//计算成交量 取少的
BigDecimal tradedAmount = (availAmount.compareTo(needAmount) >= 0 ? needAmount : availAmount);
- logger.info("dealPrice={},amount={}", dealPrice, tradedAmount);
+ //logger.info("dealPrice={},amount={}", dealPrice, tradedAmount);
//如果成交额为0说明剩余额度无法成交，退出
if (tradedAmount.compareTo(BigDecimal.ZERO) == 0) {
return null;
@@ -415,6 +418,21 @@
focusedOrder.setDealCnt(focusedOrder.getDealCnt().add(tradedAmount));
// 用户单成交金额
focusedOrder.setDealAmount(focusedOrder.getDealAmount().add(turnover));
+
+ // 判断两个单是否完成
+ if(matchOrder.getEntrustAmount()!=null && matchOrder.getEntrustAmount().compareTo(matchOrder.getDealAmount())<=0){
+ matchOrder.setOrderStatus(OrderCoinsEntity.ORDERSTATUS_DONE);
+ }
+ if(matchOrder.getEntrustCnt()!=null && matchOrder.getEntrustCnt().compareTo(matchOrder.getDealCnt())<=0){
+ matchOrder.setOrderStatus(OrderCoinsEntity.ORDERSTATUS_DONE);
+ }
+
+ if(focusedOrder.getEntrustAmount()!=null && focusedOrder.getEntrustAmount().compareTo(focusedOrder.getDealAmount())<=0){
+ focusedOrder.setOrderStatus(OrderCoinsEntity.ORDERSTATUS_DONE);
+ }
+ if(focusedOrder.getEntrustCnt()!=null && focusedOrder.getEntrustCnt().compareTo(focusedOrder.getDealCnt())<=0){
+ focusedOrder.setOrderStatus(OrderCoinsEntity.ORDERSTATUS_DONE);
+ }
//创建成交记录
ExchangeTrade exchangeTrade = new ExchangeTrade();
@@ -471,9 +489,6 @@
//orderCoinService.handleOrder(subTrades);
}
} else {
- trades.forEach(e -> {
- System.out.println(e);
- });
exchangeProducer.sendHandleTrade(JSON.toJSONString(trades));
//orderCoinService.handleOrder(trades);
// kafkaTemplate.send("exchange-trade", JSON.toJSONString(trades));
@@ -551,13 +566,57 @@
}
/**
+ * 发送盘口变化消息
+ *
+ * @param
+ */
+ public String sendTradePlateMessage() {
+ //防止并发引起数组越界，造成盘口倒挂 TODO
+ List<List<BigDecimal>> plate;
+ List<BigDecimal> plateItem;
+ TradePlateModel tradePlateModel = new TradePlateModel();
+ // 转换格式
+ if (buyTradePlate != null && buyTradePlate.getItems() != null) {
+ plate = new ArrayList<>();
+ LinkedList<TradePlateItem> items = buyTradePlate.getItems();
+ for (TradePlateItem item : items) {
+ plateItem = new ArrayList<>(2);
+ BigDecimal price = item.getPrice();
+ BigDecimal amount = item.getAmount();
+ plateItem.add(price);
+ plateItem.add(amount);
+ plate.add(plateItem);
+ }
+ tradePlateModel.setBuy(plate);
+ }
+
+ if (sellTradePlate != null && sellTradePlate.getItems() != null) {
+ plate = new ArrayList<>();
+ LinkedList<TradePlateItem> items = sellTradePlate.getItems();
+ for (TradePlateItem item : items) {
+ plateItem = new ArrayList<>(2);
+ BigDecimal price = item.getPrice();
+ BigDecimal amount = item.getAmount();
+ plateItem.add(price);
+ plateItem.add(amount);
+ plate.add(plateItem);
+ }
+ tradePlateModel.setSell(plate);
+ }
+
+ // 盘口发生变化通知TODO
+ return JSON.toJSONString(tradePlateModel);
+ //exchangeProducer.sendPlateMsg(JSON.toJSONString(tradePlateModel));
+ }
+
+ /**
* 取消委托订单
*
* @param exchangeOrder
* @return
*/
public OrderCoinsEntity cancelOrder(OrderCoinsEntity exchangeOrder) {
- logger.info("cancelOrder,orderId={}", exchangeOrder.getId());
+ //logger.info("cancelOrder,orderId={}", exchangeOrder.getId());
if (exchangeOrder.getTradeType() == OrderCoinsEntity.TRADETYPE_MARKETPRICE) {
//处理市价单
Iterator<OrderCoinsEntity> orderIterator;
--
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