From cbcf779da2e10df907350debf8ae648e93824c56 Mon Sep 17 00:00:00 2001
From: Administrator <15274802129@163.com>
Date: Mon, 15 Jun 2026 21:28:16 +0800
Subject: [PATCH] fix(gateApi): 修复网格交易止损数量计算逻辑
---
src/main/java/com/xcong/excoin/modules/gateApi/simulation/GridSimulator.java | 812 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 812 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/xcong/excoin/modules/gateApi/simulation/GridSimulator.java b/src/main/java/com/xcong/excoin/modules/gateApi/simulation/GridSimulator.java
new file mode 100644
index 0000000..0a1c64e
--- /dev/null
+++ b/src/main/java/com/xcong/excoin/modules/gateApi/simulation/GridSimulator.java
@@ -0,0 +1,812 @@
+package com.xcong.excoin.modules.gateApi.simulation;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.util.*;
+
+/**
+ * 网格策略模拟器 — 模拟 GateGridTradeService 完整生命周期并发现逻辑 BUG。
+ *
+ * <h3>预设参数</h3>
+ * shortBaseEntryPrice = 100.0, gridRate = 0.005 (0.5%), step = 0.5, priceScale = 1, baseQuantity = 10, quantity = 1
+ */
+public class GridSimulator {
+
+ static int SIM_PRICE_PREC = 1;
+ static BigDecimal BASE_PRICE = new BigDecimal("100.0");
+ static BigDecimal STEP = BASE_PRICE.multiply(new BigDecimal("0.005")).setScale(SIM_PRICE_PREC, RoundingMode.HALF_UP); // 0.5
+ static int BASE_QTY = 10;
+ static int QTY = 1;
+ static int GRID_QUEUE_SIZE = 10; // 模拟用缩减队列
+
+ // ---- 网格数据结构 ----
+ static class Grid {
+ int id;
+ BigDecimal price;
+ boolean hasLongOrder, hasShortOrder;
+ String longOrderId, shortOrderId;
+ String longTpOrderId, shortTpOrderId; // 止盈
+ String longSlOrderId, shortSlOrderId; // 止损
+ BigDecimal longTpPrice, shortTpPrice;
+ int longFilledQty = QTY, shortFilledQty = QTY;
+
+ Grid(int id, BigDecimal price) {
+ this.id = id; this.price = price;
+ this.longTpPrice = price.add(STEP).setScale(SIM_PRICE_PREC, RoundingMode.HALF_UP);
+ this.shortTpPrice = price.subtract(STEP).setScale(SIM_PRICE_PREC, RoundingMode.HALF_UP);
+ }
+ @Override public String toString() {
+ return String.format("G[%2d] p=%.1f | L:o=%s tp=%s sl=%s | S:o=%s tp=%s sl=%s",
+ id, price,
+ hasLongOrder ? "Y" : "N", longTpOrderId != null ? longTpOrderId : "-", longSlOrderId != null ? longSlOrderId : "-",
+ hasShortOrder ? "Y" : "N", shortTpOrderId != null ? shortTpOrderId : "-", shortSlOrderId != null ? shortSlOrderId : "-");
+ }
+ }
+
+ static Map<Integer, Grid> INDEX = new LinkedHashMap<>();
+ static List<Grid> gridElements = new ArrayList<>();
+
+ // ---- 队列 ----
+ static List<BigDecimal> shortQueue = new ArrayList<>(); // 降序
+ static List<BigDecimal> longQueue = new ArrayList<>(); // 升序
+ static List<BigDecimal> totalShortQ = new ArrayList<>(); // 降序
+ static List<BigDecimal> totalLongQ = new ArrayList<>(); // 升序
+
+ // ---- 状态 ----
+ enum State { WAITING_KLINE, OPENING, ACTIVE, STOPPED }
+ static State state = State.WAITING_KLINE;
+ static boolean baseLongOpened = false, baseShortOpened = false;
+ static boolean longActive = false, shortActive = false;
+ static BigDecimal longPositionSize = BigDecimal.ZERO;
+ static BigDecimal shortPositionSize = BigDecimal.ZERO;
+ static BigDecimal longEntryPrice = BigDecimal.ZERO;
+ static BigDecimal shortEntryPrice = BigDecimal.ZERO;
+ static BigDecimal cumulativePnl = BigDecimal.ZERO;
+ static BigDecimal unrealizedPnl = BigDecimal.ZERO;
+ static BigDecimal shortBaseEntryPrice = BigDecimal.ZERO;
+ static BigDecimal longBaseEntryPrice = BigDecimal.ZERO;
+
+ static int orderIdCounter = 1000;
+ static List<String> eventLog = new ArrayList<>();
+ static List<String> bugLog = new ArrayList<>();
+
+ static void log(String msg) { eventLog.add(msg); System.out.println(" " + msg); }
+ static void bug(String msg) { String s = " [BUG] " + msg; bugLog.add(s); System.out.println(s); }
+ static String newOrderId() { return "O-" + (orderIdCounter++); }
+ static String repeat(String s, int n) {
+ StringBuilder sb = new StringBuilder();
+ for (int i = 0; i < n; i++) sb.append(s);
+ return sb.toString();
+ }
+
+ // ================================================================
+ // 步骤1: 初始化
+ // ================================================================
+ static void init() {
+ log("=== Phase 1: 初始化 ===");
+ log("参数: basePrice=" + BASE_PRICE + " step=" + STEP + " baseQty=" + BASE_QTY + " qty=" + QTY);
+ state = State.WAITING_KLINE;
+ }
+
+ // ================================================================
+ // 步骤2: 首根K线 → 市价双开基底
+ // ================================================================
+ static void onFirstKline() {
+ log("\n=== Phase 2: 首根K线到达，市价双开基底 ===");
+ state = State.OPENING;
+ log("市价开多 " + BASE_QTY + " 张，开空 " + BASE_QTY + " 张");
+
+ // 模拟成交
+ longPositionSize = new BigDecimal(BASE_QTY);
+ shortPositionSize = new BigDecimal(BASE_QTY);
+ longEntryPrice = BASE_PRICE;
+ shortEntryPrice = BASE_PRICE;
+ longActive = true;
+ shortActive = true;
+
+ // 模拟 onPositionUpdate → 基底成交
+ log("基底多成交价: " + BASE_PRICE);
+ longBaseEntryPrice = BASE_PRICE;
+ baseLongOpened = true;
+ log("基底空成交价: " + BASE_PRICE);
+ shortBaseEntryPrice = BASE_PRICE;
+ baseShortOpened = true;
+
+ tryGenerateQueues();
+ }
+
+ // ================================================================
+ // 步骤3: 生成队列和网格
+ // ================================================================
+ static void tryGenerateQueues() {
+ if (!baseLongOpened || !baseShortOpened) return;
+ log("\n=== Phase 3: 生成网格队列 ===");
+
+ // 生成队列
+ generateShortQueue();
+ generateLongQueue();
+ updateGridElements();
+
+ // 标记基底元素 (模拟 baseLongTraderParam/baseShortTraderParam)
+ Grid baseG = INDEX.get(0);
+ baseG.hasLongOrder = true;
+ baseG.longOrderId = "BASE-LONG-IOC";
+ baseG.hasShortOrder = true;
+ baseG.shortOrderId = "BASE-SHORT-IOC";
+ log("基底元素 ID=0 标记 hasLongOrder=true, hasShortOrder=true");
+
+ // 初始化止损单
+ initStopLossOrders();
+
+ state = State.ACTIVE;
+ log("状态切换为 ACTIVE");
+ printGridState();
+ }
+
+ static void generateShortQueue() {
+ shortQueue.clear();
+ BigDecimal elem = BASE_PRICE.subtract(STEP).setScale(SIM_PRICE_PREC, RoundingMode.HALF_UP);
+ for (int i = 0; i < GRID_QUEUE_SIZE; i++) {
+ shortQueue.add(elem);
+ totalLongQ.add(elem);
+ totalShortQ.add(elem);
+ elem = elem.subtract(STEP).setScale(SIM_PRICE_PREC, RoundingMode.HALF_UP);
+ if (elem.compareTo(BigDecimal.ZERO) <= 0) break;
+ }
+ shortQueue.sort((a, b) -> b.compareTo(a));
+ log("空仓队列(降序): " + shortQueue);
+ }
+
+ static void generateLongQueue() {
+ longQueue.clear();
+ BigDecimal elem = BASE_PRICE.add(STEP).setScale(SIM_PRICE_PREC, RoundingMode.HALF_UP);
+ for (int i = 0; i < GRID_QUEUE_SIZE; i++) {
+ longQueue.add(elem);
+ totalLongQ.add(elem);
+ totalShortQ.add(elem);
+ elem = elem.add(STEP).setScale(SIM_PRICE_PREC, RoundingMode.HALF_UP);
+ }
+ longQueue.sort(BigDecimal::compareTo);
+ log("多仓队列(升序): " + longQueue);
+ }
+
+ static void updateGridElements() {
+ gridElements.clear();
+ INDEX.clear();
+ int shortSize = shortQueue.size();
+ int longSize = longQueue.size();
+
+ // 空仓区域: id 从 -1 自减
+ for (int i = 0; i < shortSize; i++) {
+ int id = -(i + 1);
+ BigDecimal price = shortQueue.get(i);
+ Grid g = new Grid(id, price);
+ g.longFilledQty = QTY;
+ g.shortFilledQty = QTY;
+ gridElements.add(g);
+ INDEX.put(id, g);
+ }
+
+ // 位置 0
+ Grid g0 = new Grid(0, BASE_PRICE);
+ g0.longFilledQty = QTY;
+ g0.shortFilledQty = QTY;
+ gridElements.add(g0);
+ INDEX.put(0, g0);
+
+ // 多仓区域: id 从 1 自增
+ for (int i = 0; i < longSize; i++) {
+ int id = i + 1;
+ BigDecimal price = longQueue.get(i);
+ Grid g = new Grid(id, price);
+ g.longFilledQty = QTY;
+ g.shortFilledQty = QTY;
+ gridElements.add(g);
+ INDEX.put(id, g);
+ }
+
+ log("网格元素: " + gridElements.size() + " 个");
+ }
+
+ static void initStopLossOrders() {
+ log("\n--- 初始化止损单 ---");
+ // 空仓止损: ID 2 到 BASE_QTY+1
+ int shortTime = BASE_QTY + 1;
+ for (int id = 2; id <= shortTime; id++) {
+ Grid g = INDEX.get(id);
+ if (g == null) continue;
+ String slId = newOrderId();
+ g.shortSlOrderId = slId;
+ log(String.format(" 空仓止损 gridId:%d price:%.1f slId:%s (CLOSE_SHORT NUMBER_1)", id, g.price, slId));
+ }
+
+ // 多仓止损: ID -2 到 -(BASE_QTY+1)
+ int longTime = BASE_QTY + 1;
+ for (int id = -2; id >= -longTime; id--) {
+ Grid g = INDEX.get(id);
+ if (g == null) continue;
+ String slId = newOrderId();
+ g.longSlOrderId = slId;
+ log(String.format(" 多仓止损 gridId:%d price:%.1f slId:%s (CLOSE_LONG NUMBER_2)", id, g.price, slId));
+ }
+ log("止损单初始化完成");
+ }
+
+ // ================================================================
+ // 步骤4: onKline ACTIVE 状态下的网格处理
+ // ================================================================
+ static void onKline(BigDecimal closePrice) {
+ if (state != State.ACTIVE) return;
+
+ if (!longActive && longPositionSize.compareTo(BigDecimal.ZERO) == 0) {
+ processShortGrid(closePrice);
+ }
+ if (!shortActive && shortPositionSize.compareTo(BigDecimal.ZERO) == 0) {
+ processLongGrid(closePrice);
+ }
+ }
+
+ static void processShortGrid(BigDecimal currentPrice) {
+ log("\n--- processShortGrid (多仓归零, 触发空仓队列) 当前价:" + currentPrice + " ---");
+ BigDecimal matched = BigDecimal.ZERO;
+ for (BigDecimal p : totalLongQ) {
+ if (p.compareTo(currentPrice) >= 0) {
+ matched = p;
+ break;
+ }
+ }
+ if (matched.compareTo(BigDecimal.ZERO) == 0) {
+ log(" 未匹配到价格");
+ return;
+ }
+ log(" 匹配价格: " + matched);
+ Grid matchedG = findByPrice(matched);
+ if (matchedG == null) { log(" Grid不存在"); return; }
+
+ if (!matchedG.hasLongOrder) {
+ // 在 upId 位置挂多单
+ int upId = matchedG.id + 1; // upId逻辑简化
+ Grid newEntryG = INDEX.get(upId);
+ if (newEntryG != null && !newEntryG.hasLongOrder) {
+ String oid = newOrderId();
+ newEntryG.hasLongOrder = true;
+ newEntryG.longOrderId = oid;
+ newEntryG.longFilledQty = BASE_QTY;
+ log(String.format(" 在gridId:%d挂多单(size=%d) orderId:%s", upId, BASE_QTY, oid));
+ }
+
+ // 取消upId+1位置的多单
+ int cancelId = upId + 1;
+ Grid cancelG = INDEX.get(cancelId);
+ if (cancelG != null && cancelG.hasLongOrder) {
+ log(String.format(" 取消gridId:%d的多单 orderId:%s", cancelId, cancelG.longOrderId));
+ cancelG.hasLongOrder = false;
+ cancelG.longOrderId = null;
+ }
+
+ // BUG: 这里新挂的单 size = BASE_QTY，但如果之前已有其他追单
+ // 可能导致持仓远超预期
+ }
+ }
+
+ static void processLongGrid(BigDecimal currentPrice) {
+ log("\n--- processLongGrid (空仓归零, 触发多仓队列) 当前价:" + currentPrice + " ---");
+ BigDecimal matched = BigDecimal.ZERO;
+ for (BigDecimal p : totalShortQ) {
+ if (p.compareTo(currentPrice) <= 0) {
+ matched = p;
+ break;
+ }
+ }
+ if (matched.compareTo(BigDecimal.ZERO) == 0) {
+ log(" 未匹配到价格");
+ return;
+ }
+ log(" 匹配价格: " + matched);
+ Grid matchedG = findByPrice(matched);
+ if (matchedG == null) { log(" Grid不存在"); return; }
+
+ if (!matchedG.hasShortOrder) {
+ int downId = matchedG.id - 1;
+ Grid newEntryG = INDEX.get(downId);
+ if (newEntryG != null && !newEntryG.hasShortOrder) {
+ String oid = newOrderId();
+ newEntryG.hasShortOrder = true;
+ newEntryG.shortOrderId = oid;
+ newEntryG.shortFilledQty = BASE_QTY;
+ log(String.format(" 在gridId:%d挂空单(size=%d) orderId:%s", downId, BASE_QTY, oid));
+ }
+
+ int cancelId = downId - 1;
+ Grid cancelG = INDEX.get(cancelId);
+ if (cancelG != null && cancelG.hasShortOrder) {
+ log(String.format(" 取消gridId:%d的空单 orderId:%s", cancelId, cancelG.shortOrderId));
+ cancelG.hasShortOrder = false;
+ cancelG.shortOrderId = null;
+ }
+ }
+ }
+
+ // ================================================================
+ // 步骤5: onAutoOrder 条件单成交回调
+ // ================================================================
+ static void onAutoOrder(String orderId, String status, String orderType, String tradeId) {
+ if (state == State.STOPPED) return;
+ if (!"finished".equals(status)) return;
+
+ log("\n--- onAutoOrder: id=" + orderId + " type=" + orderType + " tradeId=" + tradeId + " ---");
+
+ // 1. 检查是否是止损单成交
+ Grid longSl = findByLongSlOrderId(orderId);
+ if (longSl != null && tradeId != null && !"0".equals(tradeId)) {
+ handleLongStopLossTriggered(longSl);
+ return;
+ }
+ Grid shortSl = findByShortSlOrderId(orderId);
+ if (shortSl != null && tradeId != null && !"0".equals(tradeId)) {
+ handleShortStopLossTriggered(shortSl);
+ return;
+ }
+
+ // 2. 检查是否是空仓挂单成交
+ Grid shortG = findByShortOrderId(orderId);
+ if (shortG != null && shortG.hasShortOrder && tradeId != null && !"0".equals(tradeId)) {
+ int filledQty = shortG.shortFilledQty;
+ shortG.hasShortOrder = false;
+ shortG.shortOrderId = null;
+ extendShortStopLoss(filledQty);
+ log(String.format(" 空单成交 gridId:%d filledQty:%d", shortG.id, filledQty));
+
+ // 新逻辑: 持仓超过baseQuantity时，从gridId-2开始追挂止盈
+ BigDecimal baseQty = new BigDecimal(BASE_QTY);
+ BigDecimal qty = new BigDecimal(QTY);
+ if (shortPositionSize.compareTo(baseQty) > 0) {
+ BigDecimal excess = shortPositionSize.subtract(baseQty);
+ int excessCount = excess.divide(qty, 0, RoundingMode.DOWN).intValue();
+ for (int i = 0; i < excessCount; i++) {
+ int tpId = shortG.id - 2 - i;
+ Grid tpG = INDEX.get(tpId);
+ if (tpG == null || tpG.shortTpOrderId != null) continue;
+ String tpIdStr = newOrderId();
+ tpG.shortTpOrderId = tpIdStr;
+ log(String.format(" 空仓止盈挂单 gridId:%d price:%.1f tpId:%s", tpId, tpG.price, tpIdStr));
+ }
+ }
+ }
+
+ // 3. 检查是否是多仓挂单成交
+ Grid longG = findByLongOrderId(orderId);
+ if (longG != null && longG.hasLongOrder && tradeId != null && !"0".equals(tradeId)) {
+ int filledQty = longG.longFilledQty;
+ longG.hasLongOrder = false;
+ longG.longOrderId = null;
+ extendLongStopLoss(filledQty);
+ log(String.format(" 多单成交 gridId:%d filledQty:%d", longG.id, filledQty));
+
+ BigDecimal baseQty = new BigDecimal(BASE_QTY);
+ BigDecimal qty = new BigDecimal(QTY);
+ if (longPositionSize.compareTo(baseQty) > 0) {
+ BigDecimal excess = longPositionSize.subtract(baseQty);
+ int excessCount = excess.divide(qty, 0, RoundingMode.DOWN).intValue();
+ for (int i = 0; i < excessCount; i++) {
+ int tpId = longG.id + 2 + i;
+ Grid tpG = INDEX.get(tpId);
+ if (tpG == null || tpG.longTpOrderId != null) continue;
+ String tpIdStr = newOrderId();
+ tpG.longTpOrderId = tpIdStr;
+ log(String.format(" 多仓止盈挂单 gridId:%d price:%.1f tpId:%s", tpId, tpG.price, tpIdStr));
+ }
+ }
+ }
+ }
+
+ static void handleLongStopLossTriggered(Grid g) {
+ log(" 多仓止损触发 gridId:" + g.id);
+ g.longSlOrderId = null;
+ // 模拟平仓: longPositionSize 减少
+ longPositionSize = longPositionSize.subtract(new BigDecimal(QTY));
+ if (longPositionSize.compareTo(BigDecimal.ZERO) < 0) longPositionSize = BigDecimal.ZERO;
+
+ // 在gridId+1位置挂新追单
+ int newId = g.id + 1;
+ Grid newG = INDEX.get(newId);
+ if (newG == null) {
+ log(" gridId:" + newId + " 不存在，止损追单失败");
+ return;
+ }
+
+ // 计算size
+ BigDecimal baseQty = new BigDecimal(BASE_QTY);
+ BigDecimal subtract = baseQty.subtract(longPositionSize);
+ int size = QTY + 1;
+ if (subtract.compareTo(BigDecimal.ZERO) >= 0) {
+ size = subtract.intValue() + 1;
+ }
+ log(String.format(" 挂多单 gridId:%d size:%d (pos=%s)", newId, size, longPositionSize));
+ newG.hasLongOrder = true;
+ newG.longOrderId = newOrderId();
+ newG.longFilledQty = size;
+
+ // 取消gridId+2的多单
+ int cancelId = g.id + 2;
+ Grid cancelG = INDEX.get(cancelId);
+ if (cancelG != null && cancelG.hasLongOrder) {
+ log(String.format(" 取消gridId:%d的多单 orderId:%s", cancelId, cancelG.longOrderId));
+ cancelG.hasLongOrder = false;
+ cancelG.longOrderId = null;
+ }
+
+ // 取消最远多仓止盈
+ Grid farthest = null;
+ for (Grid e : gridElements) {
+ if (e.longTpOrderId != null) {
+ if (farthest == null || e.price.compareTo(farthest.price) > 0) {
+ farthest = e;
+ }
+ }
+ }
+ if (farthest != null) {
+ log(String.format(" 取消最远多仓止盈 gridId:%d orderId:%s", farthest.id, farthest.longTpOrderId));
+ farthest.longTpOrderId = null;
+ }
+
+ // 持仓归零检查
+ if (longPositionSize.compareTo(BigDecimal.ZERO) == 0) {
+ longActive = false;
+ log(" 多仓已全部止损，longActive=false");
+ }
+ }
+
+ static void handleShortStopLossTriggered(Grid g) {
+ log(" 空仓止损触发 gridId:" + g.id);
+ g.shortSlOrderId = null;
+ shortPositionSize = shortPositionSize.subtract(new BigDecimal(QTY));
+ if (shortPositionSize.compareTo(BigDecimal.ZERO) < 0) shortPositionSize = BigDecimal.ZERO;
+
+ int newId = g.id - 1;
+ Grid newG = INDEX.get(newId);
+ if (newG == null) {
+ log(" gridId:" + newId + " 不存在，止损追单失败");
+ return;
+ }
+
+ BigDecimal baseQty = new BigDecimal(BASE_QTY);
+ BigDecimal subtract = baseQty.subtract(shortPositionSize);
+ int size = QTY + 1;
+ if (subtract.compareTo(BigDecimal.ZERO) >= 0) {
+ size = subtract.intValue() + 1;
+ }
+ log(String.format(" 挂空单 gridId:%d size:%d (pos=%s)", newId, size, shortPositionSize));
+ newG.hasShortOrder = true;
+ newG.shortOrderId = newOrderId();
+ newG.shortFilledQty = size;
+
+ int cancelId = g.id - 2;
+ Grid cancelG = INDEX.get(cancelId);
+ if (cancelG != null && cancelG.hasShortOrder) {
+ log(String.format(" 取消gridId:%d的空单 orderId:%s", cancelId, cancelG.shortOrderId));
+ cancelG.hasShortOrder = false;
+ cancelG.shortOrderId = null;
+ }
+
+ Grid farthest = null;
+ for (Grid e : gridElements) {
+ if (e.shortTpOrderId != null) {
+ if (farthest == null || e.price.compareTo(farthest.price) < 0) {
+ farthest = e;
+ }
+ }
+ }
+ if (farthest != null) {
+ log(String.format(" 取消最远空仓止盈 gridId:%d orderId:%s", farthest.id, farthest.shortTpOrderId));
+ farthest.shortTpOrderId = null;
+ }
+
+ if (shortPositionSize.compareTo(BigDecimal.ZERO) == 0) {
+ shortActive = false;
+ log(" 空仓已全部止损，shortActive=false");
+ }
+ }
+
+ static void extendLongStopLoss(int filledQty) {
+ // 找到最远止损
+ int furthestId = 0;
+ for (Grid e : gridElements) {
+ if (e.longSlOrderId != null && e.id < furthestId) {
+ furthestId = e.id;
+ }
+ }
+ if (furthestId == 0) furthestId = -11;
+ for (int i = 0; i < filledQty; i++) {
+ int newId = furthestId - i - 1;
+ Grid g = INDEX.get(newId);
+ if (g == null) continue;
+ String slId = newOrderId();
+ g.longSlOrderId = slId;
+ log(String.format(" 多仓止损追加 gridId:%d slId:%s", newId, slId));
+ }
+ }
+
+ static void extendShortStopLoss(int filledQty) {
+ int furthestId = 0;
+ for (Grid e : gridElements) {
+ if (e.shortSlOrderId != null && e.id > furthestId) {
+ furthestId = e.id;
+ }
+ }
+ if (furthestId == 0) furthestId = 11;
+ for (int i = 0; i < filledQty; i++) {
+ int newId = furthestId + i + 1;
+ Grid g = INDEX.get(newId);
+ if (g == null) continue;
+ String slId = newOrderId();
+ g.shortSlOrderId = slId;
+ log(String.format(" 空仓止损追加 gridId:%d slId:%s", newId, slId));
+ }
+ }
+
+ // ================================================================
+ // 模拟 onPositionUpdate
+ // ================================================================
+ static void onPositionUpdate(boolean isLong, BigDecimal size, BigDecimal entryPrice) {
+ if (isLong) {
+ if (size.compareTo(BigDecimal.ZERO) > 0) {
+ longActive = true;
+ longPositionSize = size;
+ longEntryPrice = entryPrice;
+ } else {
+ longActive = false;
+ longPositionSize = BigDecimal.ZERO;
+ longEntryPrice = BigDecimal.ZERO;
+ }
+ } else {
+ if (size.compareTo(BigDecimal.ZERO) > 0) {
+ shortActive = true;
+ shortPositionSize = size;
+ shortEntryPrice = entryPrice;
+ } else {
+ shortActive = false;
+ shortPositionSize = BigDecimal.ZERO;
+ shortEntryPrice = BigDecimal.ZERO;
+ }
+ }
+ }
+
+ // ================================================================
+ // 查找方法
+ // ================================================================
+ static Grid findByPrice(BigDecimal price) {
+ for (Grid g : gridElements) {
+ if (g.price.compareTo(price) == 0) return g;
+ }
+ return null;
+ }
+ static Grid findByLongSlOrderId(String oid) {
+ for (Grid g : gridElements) if (oid.equals(g.longSlOrderId)) return g;
+ return null;
+ }
+ static Grid findByShortSlOrderId(String oid) {
+ for (Grid g : gridElements) if (oid.equals(g.shortSlOrderId)) return g;
+ return null;
+ }
+ static Grid findByLongOrderId(String oid) {
+ for (Grid g : gridElements) if (oid.equals(g.longOrderId)) return g;
+ return null;
+ }
+ static Grid findByShortOrderId(String oid) {
+ for (Grid g : gridElements) if (oid.equals(g.shortOrderId)) return g;
+ return null;
+ }
+
+ // ================================================================
+ // 打印
+ // ================================================================
+ static void printGridState() {
+ System.out.println("\n === 网格状态 ===");
+ System.out.println(" 多仓: pos=" + longPositionSize + " active=" + longActive + " entryPrice=" + longEntryPrice);
+ System.out.println(" 空仓: pos=" + shortPositionSize + " active=" + shortActive + " entryPrice=" + shortEntryPrice);
+ for (Grid g : gridElements) {
+ System.out.println(" " + g);
+ }
+ }
+
+ // ================================================================
+ // 主模拟流程
+ // ================================================================
+ public static void main(String[] args) {
+ System.out.println(repeat("=",70));
+ System.out.println("Gate 网格策略模拟器");
+ System.out.println("参数: basePrice=100.0, step=0.5, baseQty=10, qty=1, gridSize=10");
+ System.out.println(repeat("=",70));
+
+ init();
+
+ // ---- 场景 A: 价格稳定 → 基底双开 → 进入ACTIVE ----
+ System.out.println("\n\n◆◆◆ 场景A: 首根K线，基底双开 ◆◆◆");
+ onFirstKline();
+ // 模拟 onPositionUpdate 设置基底持仓
+ onPositionUpdate(true, new BigDecimal(BASE_QTY), BASE_PRICE);
+ onPositionUpdate(false, new BigDecimal(BASE_QTY), BASE_PRICE);
+
+ printGridState();
+
+ // ---- 场景 B: 价格下跌触发多仓止损 ----
+ System.out.println("\n\n◆◆◆ 场景B: 价格跌至99.0，触发多仓止损(gridId:-2) ◆◆◆");
+ Grid gMinus2 = INDEX.get(-2);
+ String slOrderId = gMinus2.longSlOrderId;
+ if (slOrderId != null) {
+ // 模拟止损成交
+ onAutoOrder(slOrderId, "finished", "plan-close-long-position", "T001");
+ // 模拟 onPositionUpdate: 多仓从10降到9
+ onPositionUpdate(true, new BigDecimal("9"), new BigDecimal("99.5"));
+ printGridState();
+ } else {
+ log(" gridId:-2 无止损单!");
+ }
+
+ // ---- 场景 C: 价格持续下跌，再次触发止损 ----
+ System.out.println("\n\n◆◆◆ 场景C: 价格跌至98.5，再次触发多仓止损(gridId:-3) ◆◆◆");
+ Grid gMinus3 = INDEX.get(-3);
+ slOrderId = gMinus3.longSlOrderId;
+ if (slOrderId != null) {
+ onAutoOrder(slOrderId, "finished", "plan-close-long-position", "T002");
+ onPositionUpdate(true, new BigDecimal("8"), new BigDecimal("99.0"));
+ printGridState();
+ }
+
+ // ---- 场景 D: 止损追单成交，测试止盈追挂 ----
+ System.out.println("\n\n◆◆◆ 场景D: 追单成交，触发止盈追挂 ◆◆◆");
+ // 找到最近挂的多单
+ Grid pendingLong = null;
+ for (Grid g : gridElements) {
+ if (g.hasLongOrder) {
+ pendingLong = g;
+ break;
+ }
+ }
+ if (pendingLong != null) {
+ // 模拟追单成交，追了2张
+ log("\n模拟追单成交: gridId:" + pendingLong.id + " orderId:" + pendingLong.longOrderId);
+ longPositionSize = longPositionSize.add(new BigDecimal(pendingLong.longFilledQty));
+ log("多仓持仓变为: " + longPositionSize);
+ onAutoOrder(pendingLong.longOrderId, "finished", "", "T003");
+ onPositionUpdate(true, longPositionSize, BASE_PRICE);
+ printGridState();
+ }
+
+ // ---- 场景 E: 多仓全部止损归零 ----
+ System.out.println("\n\n◆◆◆ 场景E: 价格继续暴跌，多仓全部止损归零 ◆◆◆");
+ log("模拟多仓全部平仓...");
+ onPositionUpdate(true, BigDecimal.ZERO, BigDecimal.ZERO);
+ log("多仓归零, longActive=" + longActive + ", pos=" + longPositionSize);
+
+ // ACTIVE状态下多仓归零 → 下一根K线触发processShortGrid
+ System.out.println("\n 下一根K线触发 processShortGrid:");
+ onKline(new BigDecimal("95.0"));
+ printGridState();
+
+ // ---- 场景 F: 空仓止损触发 ----
+ System.out.println("\n\n◆◆◆ 场景F: 价格暴涨至101.0，触发空仓止损(gridId:2) ◆◆◆");
+ Grid g2 = INDEX.get(2);
+ if (g2 != null && g2.shortSlOrderId != null) {
+ onAutoOrder(g2.shortSlOrderId, "finished", "plan-close-short-position", "T004");
+ onPositionUpdate(false, new BigDecimal("9"), new BigDecimal("100.5"));
+ printGridState();
+ }
+
+ // ================================================================
+ // BUG 分析
+ // ================================================================
+ System.out.println("\n\n" + repeat("=",70));
+ System.out.println("BUG 分析报告");
+ System.out.println(repeat("=",70));
+
+ int bugNum = 1;
+
+ // BUG 1
+ System.out.println("\n[BUG-" + (bugNum++) + "] 基座IOC成交不触发onAutoOrder，hasLongOrder/hasShortOrder永久为true");
+ System.out.println(" 位置: GateGridTradeService.onKline() + tryGenerateQueues()");
+ System.out.println(" 描述: 基底市价IOC开仓后，tryGenerateQueues中在ID=0设置了hasLongOrder=true/hasShortOrder=true。");
+ System.out.println(" 但IOC成交不会触发onAutoOrder(条件单回调)，导致ID=0的挂单状态永远不会被清除。");
+ System.out.println(" 影响: ID=0的hasLongOrder永远为true。当止损触发在gridId=-2时，会尝试取消gridId=0的多单");
+ System.out.println(" (cancelGridId = -2 + 2 = 0)，由于IOC已成交，取消会失败但只产生warn日志，无严重后果。");
+ System.out.println(" 但状态不一致可能影响后续processShortGrid/processLongGrid的匹配逻辑。");
+ System.out.println(" 修复: tryGenerateQueues中不要用IOC的orderId标记hasLongOrder，或者增加onOrderUpdate回调处理普通订单。");
+
+ // BUG 2
+ System.out.println("\n[BUG-" + (bugNum++) + "] handleShortStopLossTriggered 使用了longPositionSize计算size");
+ System.out.println(" 位置: handleShortStopLossTriggered() line 1176");
+ System.out.println(" 代码: BigDecimal subtract = baseQuantity.subtract(longPositionSize);");
+ System.out.println(" 描述: 空仓止损触发时，用 longPositionSize 来计算追单size，应该用 shortPositionSize。");
+ System.out.println(" 影响: 空仓止损追单的size计算基于多头持仓而非空头持仓，导致补仓数量错误。");
+ System.out.println(" 例如多仓持仓5，空仓持仓9，空仓止损触发时: subtract = 10 - 5 = 5, size = 5+1 = 6.");
+ System.out.println(" 应该是: subtract = 10 - 9 = 1, size = 1+1 = 2.");
+ System.out.println(" 修复: 将 longPositionSize 改为 shortPositionSize。");
+
+ // BUG 3
+ System.out.println("\n[BUG-" + (bugNum++) + "] onAutoOrder中持仓判断存在竞态问题");
+ System.out.println(" 位置: onAutoOrder() 追挂止盈逻辑 (line 617/655)");
+ System.out.println(" 描述: onAutoOrder被调用时，longPositionSize/shortPositionSize可能尚未被onPositionUpdate更新。");
+ System.out.println(" WebSocket消息顺序虽然是顺序的，但onAutoOrder基于orders/autoorders频道，");
+ System.out.println(" onPositionUpdate基于positions频道，两者到达顺序不一定严格匹配。");
+ System.out.println(" 影响: 追挂止盈的excessCount计算可能偏小(持仓尚未更新)，导致少挂止盈单。");
+ System.out.println(" 下次fill时会再次尝试追挂，重复计算可能产生多余止盈单。");
+ System.out.println(" 修复: 考虑在onPositionUpdate中做止盈追挂，或基于filledQty累加预估新持仓。");
+
+ // BUG 4
+ System.out.println("\n[BUG-" + (bugNum++) + "] 止盈追挂从gridId±2开始，可能覆盖已有止损单的网格位置");
+ System.out.println(" 位置: onAutoOrder() 止盈追挂逻辑");
+ System.out.println(" 描述: 止盈追挂从 filledGridId+2(多)/filledGridId-2(空) 开始。");
+ System.out.println(" 但这些位置可能已经被止损单占用(如initStopLossOrders在ID 2~11和-2~-11挂止损)。");
+ System.out.println(" 虽然止盈和止损是不同的订单(分别存在takeProfitOrderId和stopLossOrderId中)，");
+ System.out.println(" 但同一个GridElement同时有止盈和止损，在状态追踪上可能模糊。");
+ System.out.println(" 影响: 同一个网格位置可能同时有止盈和止损订单，当订单成交回调时可能匹配错误。");
+ System.out.println(" 风险: 中低。onAutoOrder先用findByLongStopLossOrderId匹配止损，再匹配入口单，止盈不会被匹配。");
+
+ // BUG 5 → 已确认为设计意图，移除
+ System.out.println("\n[OK-5] processShortGrid/processLongGrid 只在对方持仓归零时触发 — 属于设计意图，非BUG");
+ System.out.println(" 位置: onKline() line 389-400");
+ System.out.println(" 描述: 策略有两套驱动机制：有持仓时走订单驱动(onAutoOrder处理挂单成交/止损追单)，");
+ System.out.println(" 当某方向持仓归零后切换到价格驱动(onKline→processGrid)，挂新入场单后回到订单驱动。");
+ System.out.println(" 两套机制交替运作，确保仓位归零后能基于当前价格重新入场。");
+
+ // BUG 6
+ System.out.println("\n[BUG-" + (bugNum++) + "] processShortGrid/processLongGrid 中 size 使用 BASE_QTY 而非 QTY");
+ System.out.println(" 位置: processShortGrid() line 1027, processLongGrid() line 1077");
+ System.out.println(" 描述: 仓位归零后重新挂单时，使用 baseQuantity 而不是 quantity。");
+ System.out.println(" 例如 baseQuantity=10，会在新位置挂10张，而其他网格层级只挂1张。");
+ System.out.println(" 影响: 每次仓位归零后的重新入场都是10张，可能导致持仓量远超预期。");
+ System.out.println(" 风险: 可能是设计意图(仓位归零后需要重建基底仓位)，但需确认。");
+
+ // BUG 7
+ System.out.println("\n[BUG-" + (bugNum++) + "] extendLongStopLoss/extendShortStopLoss 不停向外扩展");
+ System.out.println(" 位置: extendLongStopLoss() line 1216, extendShortStopLoss() line 1249");
+ System.out.println(" 描述: 每次成交都调用extend，从当前最远止损位置继续向外挂filledQty个止损单。");
+ System.out.println(" 如果成交次数多，止损单会无限向外扩展(比如挂到gridId=-100)。");
+ System.out.println(" 影响: 大量止损单可能超出交易所限制(Gate条件单上限通常200个)。并且止损位置离当前价");
+ System.out.println(" 越来越远，实际作用不大但占用资源。");
+ System.out.println(" 风险: 低中。止损位置越来越远意味着回撤越来越大，风控上可能已经触发maxLoss停止策略。");
+
+ // BUG 8 → 已确认为设计意图，移除
+ System.out.println("\n[OK-8] onPositionUpdate 中两仓归零异步重启策略 — 属于设计意图，非BUG");
+ System.out.println(" 位置: onPositionUpdate() line 522-538");
+ System.out.println(" 描述: 当 shortActive==false && longActive==false 时，取消所有条件单并平仓，");
+ System.out.println(" 然后异步sleep 3s后调用startGrid重启；双仓归零后重新开启一轮新策略。");
+
+ // BUG 9
+ System.out.println("\n[BUG-" + (bugNum++) + "] onAutoOrder中stopLoss匹配缺少positionSize校验");
+ System.out.println(" 位置: onAutoOrder() line 595-604");
+ System.out.println(" 描述: 原始代码有 longPositionSize > 0 的校验但被注释掉了:");
+ System.out.println(" // if (longStopLossElem != null && longPositionSize.compareTo(BigDecimal.ZERO) > 0 ...");
+ System.out.println(" 现在只要tradeId非空非0就触发handler。");
+ System.out.println(" 影响: 如果多仓已全部平仓但止损单尚未取消(异步延迟)，止损单的finished回调");
+ System.out.println(" 仍会触发handleLongStopLossTriggered，产生多余的追单操作。");
+ System.out.println(" 修复: 恢复positionSize > 0的校验。");
+
+ // BUG 10
+ System.out.println("\n[BUG-" + (bugNum++) + "] tryGenerateQueues中上/下ID分配有误导性命名");
+ System.out.println(" 位置: updateGridElements() line 960-967");
+ System.out.println(" 描述: ID=0的upId=1(指向高价), downId=-1(指向低价)。");
+ System.out.println(" 在注释和文档中写的是 upId=-1, downId=1，但代码实际是反过来的。");
+ System.out.println(" 实际语义: upId=\"向上的价格\"(更大ID), downId=\"向下的价格\"(更小ID)。");
+ System.out.println(" 影响: 代码实际工作正确，但注释和代码不一致，容易误导维护者。");
+ System.out.println(" 状态: 可能是早期代码重构遗留，实际语义是\"up=价格向上, down=价格向下\"。");
+
+ // BUG 11
+ System.out.println("\n[BUG-" + (bugNum++) + "] currentLongOrderIds/currentShortOrderIds 声明但从未使用");
+ System.out.println(" 位置: GateGridTradeService line 119-121");
+ System.out.println(" 描述: currentLongOrderIds 和 currentShortOrderIds 是 synchronized LinkedHashMap，");
+ System.out.println(" 声明但代码中没有任何put操作，只有clear。");
+ System.out.println(" 影响: 死代码，占用内存但无实际作用。代码中对此Map的使用意图已过时。");
+
+ // BUG 12
+ System.out.println("\n[BUG-" + (bugNum++) + "] onAutoOrder中已成交的挂单仍通过isHasLongOrder检测");
+ System.out.println(" 位置: onAutoOrder() line 608/617");
+ System.out.println(" 描述: 当查找shortGridElement时，检查 isHasShortOrder() 为true才处理。");
+ System.out.println(" 但同一个orderId被匹配到说明它确实是挂单，检查 isHasShortOrder 可能因");
+ System.out.println(" placeEntryOrderWithPreFlag的竞态导致问题(API失败→回滚→但WS已推送)。");
+ System.out.println(" 影响: 如果挂单API失败但WS已推送finished回调，isHasShortOrder可能已回滚为false，");
+ System.out.println(" 导致成交回调被忽略，持仓状态与实际不符。");
+ System.out.println(" 风险: 极低(需要API失败+WS推送的精确时序)。");
+ }
+}
--
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