feat(gateApi): 实现网格交易止盈队列和限价单管理功能

Administrator

9 hours ago 991e53d56e45094ca8e0db9685559bb71a015d2c

 src/main/java/com/xcong/excoin/modules/gateApi/GateGridTradeService.java

@@ -103,6 +103,16 @@
    /** 多仓价格队列，升序排列（小→大），容量 gridQueueSize */
    private final List<BigDecimal> longPriceQueue = Collections.synchronizedList(new ArrayList<>());

    /** 多仓止盈队列，升序排列（小→大），仓位推送时消费 */
    private final List<BigDecimal> longTakeProfitQueue = Collections.synchronizedList(new ArrayList<>());
    /** 空仓止盈队列，降序排列（大→小），仓位推送时消费 */
    private final List<BigDecimal> shortTakeProfitQueue = Collections.synchronizedList(new ArrayList<>());

    /** 当前多仓限价单 ID，用于取消旧单 */
    private volatile String currentLongOrderId;
    /** 当前空仓限价单 ID，用于取消旧单 */
    private volatile String currentShortOrderId;

    /** 基底空头入场价 */
    private BigDecimal shortBaseEntryPrice;
    /** 基底多头入场价 */
@@ -139,6 +149,20 @@

    // ---- 初始化 ----

    /**
     * 初始化策略环境。
     *
     * <h3>执行顺序</h3>
     * <ol>
     *   <li>获取用户 ID（用于私有频道订阅 payload）</li>
     *   <li>获取账户信息 → 记录初始本金</li>
     *   <li>如需要，切换为双向持仓模式</li>
     *   <li>如需要，调整持仓模式（single/dual）</li>
     *   <li>清除旧的止盈止损条件单</li>
     *   <li>平掉所有已有仓位</li>
     *   <li>设置杠杆倍数</li>
     * </ol>
     */
    public void init() {
        try {
            ApiClient detailClient = new ApiClient();
@@ -194,6 +218,19 @@
        }
    }

    /**
     * 平掉当前合约的所有已有仓位。
     *
     * <h3>平仓策略</h3>
     * <ul>
     *   <li>单向持仓：size=相反数，reduceOnly=true，市价 IOC 平仓</li>
     *   <li>双向持仓：size=0，close=false，autoSize=LONG/SHORT，reduceOnly=true，市价 IOC 全平</li>
     * </ul>
     *
     * <h3>注意事项</h3>
     * 双向持仓模式下必须使用 autoSize 参数，不能直接传负数 size，
     * 否则 Gate API 会拒绝（双向模式下空头 size 为负是正常的持仓方向）。
     */
    private void closeExistingPositions() {
        try {
            List<Position> positions = futuresApi.listPositions(SETTLE).execute();
@@ -234,6 +271,10 @@

    // ---- 启动/停止 ----

    /**
     * 启动网格策略。重置所有状态变量和队列，进入 WAITING_KLINE 等待首根 K 线。
     * 仅当当前状态为 WAITING_KLINE 或 STOPPED 时才允许启动。
     */
    public void startGrid() {
        if (state != StrategyState.WAITING_KLINE && state != StrategyState.STOPPED) {
            log.warn("[Gate] 策略已在运行中, state:{}", state);
@@ -253,9 +294,17 @@
        shortActive = false;
        shortPriceQueue.clear();
        longPriceQueue.clear();
        longTakeProfitQueue.clear();
        shortTakeProfitQueue.clear();
        currentLongOrderId = null;
        currentShortOrderId = null;
        log.info("[Gate] 网格策略已启动");
    }

    /**
     * 停止网格策略。取消所有条件单 → 关闭交易线程池。
     * 状态设为 STOPPED，K 线回调将直接返回不再处理。
     */
    public void stopGrid() {
        state = StrategyState.STOPPED;
        executor.cancelAllPriceTriggeredOrders();
@@ -265,6 +314,24 @@

    // ---- K线回调 ----

    /**
     * K 线回调入口。由 {@link CandlestickChannelHandler} 在收到 WebSocket K 线推送时调用。
     *
     * <h3>处理流程</h3>
     * <ol>
     *   <li>更新 lastKlinePrice → 计算 unrealizedPnl（浮动盈亏）</li>
     *   <li>STOPPED → 直接返回（仅保留盈亏更新）</li>
     *   <li>WAITING_KLINE → 切换为 OPENING → 异步提交基底双开（开多+开空）</li>
     *   <li>OPENING → 等待仓位推送回调生成队列，此处返回</li>
     *   <li>ACTIVE → 执行 processShortGrid + processLongGrid</li>
     * </ol>
     *
     * <h3>注意</h3>
     * 基底双开下单提交到 GateTradeExecutor 的独立线程池中异步执行，
     * 成交状态由 onPositionUpdate 回调驱动，不阻塞 WS 回调线程。
     *
     * @param closePrice K 线收盘价（即当前最新成交价）
     */
    public void onKline(BigDecimal closePrice) {
        lastKlinePrice = closePrice;
        updateUnrealizedPnl();
@@ -287,12 +354,35 @@
        if (state != StrategyState.ACTIVE) {
            return;
        }
        processShortGrid(closePrice);
        processLongGrid(closePrice);
        if (!longPriceQueue.isEmpty() && closePrice.compareTo(longPriceQueue.get(0)) > 0) {
            processLongGrid(closePrice);
        } else if (!shortPriceQueue.isEmpty() && closePrice.compareTo(shortPriceQueue.get(0)) < 0) {
            processShortGrid(closePrice);
        }
    }

    // ---- 仓位推送回调 ----

    /**
     * 仓位推送回调。由 {@link PositionsChannelHandler} 在收到 WebSocket 仓位更新时调用。
     *
     * <h3>处理逻辑</h3>
     * <ul>
     *   <li><b>有仓位 (size ≠ 0)</b>：
     *     <ul>
     *       <li>首次开仓（基底）：标记 baseOpened=true，记录基底入场价，双基底都成交后生成网格队列</li>
     *       <li>仓位净增加（size > 之前记录值）：说明网格触发了新开仓 → 取对应方向队列首元素为止盈价，设止盈条件单</li>
     *       <li>仓位减少或不变（止盈平仓后）：仅更新 positionSize，不重复设止盈</li>
     *     </ul>
     *   </li>
     *   <li><b>无仓位 (size = 0)</b>：清空活跃标记和持仓量</li>
     * </ul>
     *
     * @param contract   合约名称
     * @param mode       持仓模式（DUAL_LONG / DUAL_SHORT）
     * @param size       持仓张数（多头为正、空头为负）
     * @param entryPrice 当前持仓加权均价（交易所计算）
     */
    public void onPositionUpdate(String contract, Position.ModeEnum mode, BigDecimal size,
                                  BigDecimal entryPrice) {
        if (state == StrategyState.STOPPED || state == StrategyState.WAITING_KLINE) {
@@ -305,17 +395,32 @@
            if (hasPosition) {
                longActive = true;
                longEntryPrice = entryPrice;
                longPositionSize = size;
                if (!baseLongOpened) {
                    longPositionSize = size;
                    longBaseEntryPrice = entryPrice;
                    baseLongOpened = true;
                    log.info("[Gate] 基底多成交价: {}", longBaseEntryPrice);
                    tryGenerateQueues();
                } else if (size.compareTo(longPositionSize) > 0) {
                    BigDecimal unitQty = new BigDecimal(config.getQuantity());
                    long prevUnits = longPositionSize.divide(unitQty, 0, RoundingMode.DOWN).longValue();
                    longPositionSize = size;
                    long nowUnits = size.divide(unitQty, 0, RoundingMode.DOWN).longValue();
                    long newUnits = nowUnits - prevUnits;
                    for (int i = 0; i < newUnits; i++) {
                        BigDecimal tpPrice;
                        if (!longTakeProfitQueue.isEmpty()) {
                            tpPrice = longTakeProfitQueue.remove(0);
                        } else {
                            tpPrice = longEntryPrice.add(config.getStep()).setScale(1, RoundingMode.HALF_UP);
                            log.warn("[Gate] 多止盈队列为空, 兜底止盈价:{}", tpPrice);
                        }
                        executor.placeTakeProfit(tpPrice,
                                FuturesPriceTrigger.RuleEnum.NUMBER_1, ORDER_TYPE_CLOSE_LONG, negate(config.getQuantity()));
                        log.info("[Gate] 多单止盈已设, tp:{}, size:{}", tpPrice, negate(config.getQuantity()));
                    }
                } else {
                    BigDecimal tpPrice = entryPrice.multiply(BigDecimal.ONE.add(config.getGridRate())).setScale(1, RoundingMode.HALF_UP);
                    executor.placeTakeProfit(tpPrice,
                            FuturesPriceTrigger.RuleEnum.NUMBER_1, ORDER_TYPE_CLOSE_LONG, negate(config.getQuantity()));
                    log.info("[Gate] 多单止盈已设, entry:{}, tp:{}, size:{}", entryPrice, tpPrice, negate(config.getQuantity()));
                    longPositionSize = size;
                }
            } else {
                longActive = false;
@@ -325,17 +430,33 @@
            if (hasPosition) {
                shortActive = true;
                shortEntryPrice = entryPrice;
                shortPositionSize = size.abs();
                if (!baseShortOpened) {
                    shortPositionSize = size.abs();
                    shortBaseEntryPrice = entryPrice;
                    baseShortOpened = true;
                    log.info("[Gate] 基底空成交价: {}", shortBaseEntryPrice);
                    tryGenerateQueues();
                } else if (size.abs().compareTo(shortPositionSize) > 0) {
                    BigDecimal unitQty = new BigDecimal(config.getQuantity());
                    long prevUnits = shortPositionSize.divide(unitQty, 0, RoundingMode.DOWN).longValue();
                    BigDecimal nowAbsSize = size.abs();
                    shortPositionSize = nowAbsSize;
                    long nowUnits = nowAbsSize.divide(unitQty, 0, RoundingMode.DOWN).longValue();
                    long newUnits = nowUnits - prevUnits;
                    for (int i = 0; i < newUnits; i++) {
                        BigDecimal tpPrice;
                        if (!shortTakeProfitQueue.isEmpty()) {
                            tpPrice = shortTakeProfitQueue.remove(0);
                        } else {
                            tpPrice = shortEntryPrice.subtract(config.getStep()).setScale(1, RoundingMode.HALF_UP);
                            log.warn("[Gate] 空止盈队列为空, 兜底止盈价:{}", tpPrice);
                        }
                        executor.placeTakeProfit(tpPrice,
                                FuturesPriceTrigger.RuleEnum.NUMBER_2, ORDER_TYPE_CLOSE_SHORT, config.getQuantity());
                        log.info("[Gate] 空单止盈已设, tp:{}, size:{}", tpPrice, config.getQuantity());
                    }
                } else {
                    BigDecimal tpPrice = entryPrice.multiply(BigDecimal.ONE.subtract(config.getGridRate())).setScale(1, RoundingMode.HALF_UP);
                    executor.placeTakeProfit(tpPrice,
                            FuturesPriceTrigger.RuleEnum.NUMBER_2, ORDER_TYPE_CLOSE_SHORT, config.getQuantity());
                    log.info("[Gate] 空单止盈已设, entry:{}, tp:{}, size:{}", entryPrice, tpPrice, config.getQuantity());
                    shortPositionSize = size.abs();
                }
            } else {
                shortActive = false;
@@ -346,6 +467,17 @@

    // ---- 平仓推送回调 ----

    /**
     * 平仓推送回调。由 {@link PositionClosesChannelHandler} 在收到平仓推送时调用。
     *
     * <h3>累加规则</h3>
     * cumulativePnl += pnl。止盈平仓时 pnl > 0，止损平仓时 pnl < 0。
     * 累加后检查停止条件：≥ overallTp 或 ≤ -maxLoss。
     *
     * @param contract 合约名称
     * @param side     平仓方向（"long" / "short"）
     * @param pnl      本次平仓的盈亏金额
     */
    public void onPositionClose(String contract, String side, BigDecimal pnl) {
        if (state == StrategyState.STOPPED) {
            return;
@@ -364,33 +496,69 @@

    // ---- 网格队列处理 ----

    /**
     * 尝试生成网格队列。双基底（多+空）都成交后才触发：
     * 生成空仓队列 + 多仓队列 → 状态切换为 ACTIVE。
     */
    private void tryGenerateQueues() {
        if (baseLongOpened && baseShortOpened) {
            generateShortQueue();
            generateLongQueue();

            BigDecimal step = config.getStep();
            BigDecimal longTp = longPriceQueue.get(0).add(step).setScale(1, RoundingMode.HALF_UP);
            BigDecimal shortTp = shortPriceQueue.get(0).subtract(step).setScale(1, RoundingMode.HALF_UP);
            longTakeProfitQueue.add(longTp);
            shortTakeProfitQueue.add(shortTp);
            log.info("[Gate] 多止盈队列:{}", longTakeProfitQueue);
            log.info("[Gate] 空止盈队列:{}", shortTakeProfitQueue);

            executor.placeGridLimitOrder(longPriceQueue.get(0), config.getQuantity(),
                    orderId -> { currentLongOrderId = orderId; log.info("[Gate] 初始限价多单已挂, id:{}", orderId); },
                    null);
            executor.placeGridLimitOrder(shortPriceQueue.get(0), negate(config.getQuantity()),
                    orderId -> { currentShortOrderId = orderId; log.info("[Gate] 初始限价空单已挂, id:{}", orderId); },
                    null);

            state = StrategyState.ACTIVE;
            log.info("[Gate] 网格队列已生成, 空队首:{} → 尾:{}, 多队首:{} → 尾:{}, 已激活",
            log.info("[Gate] 网格队列已生成, 空队首:{} → 尾:{}, 多队首:{} → 尾:{}, step:{}, 已激活",
                    shortPriceQueue.get(0), shortPriceQueue.get(shortPriceQueue.size() - 1),
                    longPriceQueue.get(0), longPriceQueue.get(longPriceQueue.size() - 1));
                    longPriceQueue.get(0), longPriceQueue.get(longPriceQueue.size() - 1),
                    step);
        }
    }

    /**
     * 生成空仓价格队列。
     * 以 shortBaseEntryPrice × gridRate 作为绝对步长 step，存到 config。
     * 第1个元素 = shortBaseEntryPrice − step，后续依次递减 step，共 gridQueueSize 个。
     * 队列降序排列（大→小），方便 processShortGrid 中从头遍历。
     */
    private void generateShortQueue() {
        shortPriceQueue.clear();
        BigDecimal step = config.getGridRate();
        for (int i = 1; i <= config.getGridQueueSize(); i++) {
            shortPriceQueue.add(shortBaseEntryPrice.multiply(BigDecimal.ONE.subtract(step.multiply(BigDecimal.valueOf(i)))).setScale(1, RoundingMode.HALF_UP));
        BigDecimal step = shortBaseEntryPrice.multiply(config.getGridRate()).setScale(1, RoundingMode.HALF_UP);
        config.setStep(step);
        BigDecimal elem = shortBaseEntryPrice.subtract(step).setScale(1, RoundingMode.HALF_UP);
        for (int i = 0; i < config.getGridQueueSize(); i++) {
            shortPriceQueue.add(elem);
            elem = elem.subtract(step).setScale(1, RoundingMode.HALF_UP);
        }
        shortPriceQueue.sort((a, b) -> b.compareTo(a));
        //输出队列：shortPriceQueue;
        log.info("[Gate] 空队列:{}", shortPriceQueue);
    }

    /**
     * 生成多仓价格队列。
     * 以 shortBaseEntryPrice + step 为首元素，后续依次递增 step，共 gridQueueSize 个。
     * 队列升序排列（小→大），方便 processLongGrid 中从头遍历。
     */
    private void generateLongQueue() {
        longPriceQueue.clear();
        BigDecimal step = config.getGridRate();
        for (int i = 1; i <= config.getGridQueueSize(); i++) {
            longPriceQueue.add(longBaseEntryPrice.multiply(BigDecimal.ONE.add(step.multiply(BigDecimal.valueOf(i)))).setScale(1, RoundingMode.HALF_UP));
        BigDecimal step = config.getStep();
        BigDecimal elem = shortBaseEntryPrice.add(step).setScale(1, RoundingMode.HALF_UP);
        for (int i = 0; i < config.getGridQueueSize(); i++) {
            longPriceQueue.add(elem);
            elem = elem.add(step).setScale(1, RoundingMode.HALF_UP);
        }
        longPriceQueue.sort(BigDecimal::compareTo);
        log.info("[Gate] 多队列:{}", longPriceQueue);
@@ -406,10 +574,10 @@
     * <h3>执行流程</h3>
     * <ol>
     *   <li>匹配队列元素 → 为空则直接返回</li>
     *   <li>空仓队列：移除 matched 元素，尾部补充新元素（尾价 − step 循环递减）</li>
     *   <li>多仓队列：以多仓队列首元素（最小价）为种子，递减 step 生成 matched.size() 个元素加入</li>
     *   <li>保证金检查 → 安全则开空一次</li>
     *   <li>额外反向开多：若多仓均价 > 空仓均价 且 当前价夹在中间且远离多仓均价</li>
     *   <li>空仓队列：移除 matched 元素，尾部补充新元素（尾价 × (1 − gridRate) 循环递减）</li>
     *   <li>多仓队列：以多仓队列首元素（最小价）为种子，生成 matched.size() 个递减元素加入</li>
     * </ol>
     *
     * <h3>多仓队列转移过滤</h3>
@@ -432,51 +600,64 @@
            return;
        }
        log.info("[Gate] 空仓队列触发, 匹配{}个元素, 当前价:{}", matched.size(), currentPrice);
        if (!isMarginSafe()) {
            log.warn("[Gate] 保证金超限，跳过空单开仓");
        } else {
            executor.openShort(negate(config.getQuantity()), null, null);
            if (shortEntryPrice.compareTo(BigDecimal.ZERO) > 0
                    && longEntryPrice.compareTo(BigDecimal.ZERO) > 0
                    && longEntryPrice.compareTo(shortEntryPrice) > 0
                    && currentPrice.compareTo(shortEntryPrice) > 0
                    && currentPrice.compareTo(longEntryPrice.multiply(BigDecimal.ONE.subtract(config.getGridRate()))) < 0) {
                executor.openLong(config.getQuantity(), null, null);
                log.info("[Gate] 触发价在多/空持仓价之间且多>空且远离多仓均价, 额外开多一次, 当前价:{}", currentPrice);
            }
        }

        synchronized (shortPriceQueue) {
            shortPriceQueue.removeAll(matched);
            BigDecimal min = shortPriceQueue.isEmpty() ? matched.get(matched.size() - 1) : shortPriceQueue.get(shortPriceQueue.size() - 1);
            BigDecimal step = config.getGridRate();
            BigDecimal gridStep = config.getStep();
            for (int i = 0; i < matched.size(); i++) {
                min = min.multiply(BigDecimal.ONE.subtract(step)).setScale(1, RoundingMode.HALF_UP);
                min = min.subtract(gridStep).setScale(1, RoundingMode.HALF_UP);
                shortPriceQueue.add(min);
                log.info("[Gate] 空队列增加:{}", min);
            }
            shortPriceQueue.sort(BigDecimal::compareTo);

            shortPriceQueue.sort((a, b) -> b.compareTo(a));
            log.info("[Gate] 现空队列:{}", shortPriceQueue);
        }

        synchronized (longPriceQueue) {
            BigDecimal first = longPriceQueue.isEmpty() ? matched.get(matched.size() - 1) : longPriceQueue.get(0);
            BigDecimal step = config.getGridRate();
            int added = 0;
            BigDecimal gridStep = config.getStep();
            for (int i = 1; i <= matched.size(); i++) {
                BigDecimal elem = first.multiply(BigDecimal.ONE.subtract(step.multiply(BigDecimal.valueOf(i)))).setScale(1, RoundingMode.HALF_UP);
                if (longEntryPrice.compareTo(BigDecimal.ZERO) > 0
                        && elem.subtract(longEntryPrice).abs().compareTo(longEntryPrice.multiply(step)) < 0) {
                    continue;
                }
                BigDecimal elem = first.subtract(gridStep.multiply(BigDecimal.valueOf(i))).setScale(1, RoundingMode.HALF_UP);
                longPriceQueue.add(elem);
                added++;
                log.info("[Gate] 多队列增加:{}", elem);
            }
            longPriceQueue.sort(BigDecimal::compareTo);
            while (longPriceQueue.size() > config.getGridQueueSize()) {
                longPriceQueue.remove(longPriceQueue.size() - 1);
            }
            log.info("[Gate] 现多队列:{}, 跳过{}个(贴近多仓均价)", longPriceQueue, matched.size() - added);
            log.info("[Gate] 现多队列:{}", longPriceQueue);
        }

        BigDecimal newShortFirst = shortPriceQueue.get(0);
        BigDecimal newLongFirst = longPriceQueue.get(0);
        BigDecimal step = config.getStep();
        BigDecimal stpElem = newShortFirst.subtract(step).setScale(1, RoundingMode.HALF_UP);
        shortTakeProfitQueue.add(stpElem);
        shortTakeProfitQueue.sort((a, b) -> b.compareTo(a));
        log.info("[Gate] 空止盈队列增加:{}, 现止盈队列:{}", stpElem, shortTakeProfitQueue);

        if (!isMarginSafe()) {
            log.warn("[Gate] 保证金超限，跳过挂限价单");
        } else {
            String oldLongId = currentLongOrderId;
            executor.cancelOrder(oldLongId);
            executor.placeGridLimitOrder(newShortFirst, negate(config.getQuantity()),
                    orderId -> { currentShortOrderId = orderId; log.info("[Gate] 新限价空单, id:{}, price:{}", orderId, newShortFirst); },
                    null);
            executor.placeGridLimitOrder(newLongFirst, config.getQuantity(),
                    orderId -> { currentLongOrderId = orderId; log.info("[Gate] 新限价多单, id:{}, price:{}", orderId, newLongFirst); },
                    null);
        }

        if (isMarginSafe()
                && shortEntryPrice.compareTo(BigDecimal.ZERO) > 0
                && longEntryPrice.compareTo(BigDecimal.ZERO) > 0
                && longEntryPrice.compareTo(shortEntryPrice) > 0
                && currentPrice.compareTo(shortEntryPrice) > 0
                && currentPrice.compareTo(longEntryPrice) < 0) {
            executor.openLong(config.getQuantity(), null, null);
            log.info("[Gate] 额外反向开多, 当前价:{} 在[{},{}]之间", currentPrice, shortEntryPrice, longEntryPrice);
        }
    }

@@ -490,10 +671,10 @@
     * <h3>执行流程</h3>
     * <ol>
     *   <li>匹配队列元素 → 为空则直接返回</li>
     *   <li>多仓队列：移除 matched 元素，尾部补充新元素（尾价 + step 循环递增）</li>
     *   <li>空仓队列：以空仓队列首元素（最高价）为种子，递增 step 生成 matched.size() 个元素加入</li>
     *   <li>保证金检查 → 安全则开多一次</li>
     *   <li>额外反向开空：若多仓均价 > 空仓均价 且 当前价夹在中间且远离空仓均价</li>
     *   <li>多仓队列：移除 matched 元素，尾部补充新元素（尾价 × (1 + gridRate) 循环递增）</li>
     *   <li>空仓队列：以空仓队列首元素（最高价）为种子，生成 matched.size() 个递增元素加入</li>
     * </ol>
     *
     * <h3>空仓队列转移过滤</h3>
@@ -512,61 +693,84 @@
        }
        log.info("[Gate] 原多队列:{}", longPriceQueue);
        if (matched.isEmpty()) {
            log.info("[Gate] 多仓队列未触发,  当前价:{}", currentPrice);
            log.info("[Gate] 多仓队列未触发, 当前价:{}", currentPrice);
            return;
        }

        log.info("[Gate] 多仓队列触发, 匹配{}个元素, 当前价:{}", matched.size(), currentPrice);
        if (!isMarginSafe()) {
            log.warn("[Gate] 保证金超限，跳过多单开仓");
        } else {
            executor.openLong(config.getQuantity(), null, null);
            if (shortEntryPrice.compareTo(BigDecimal.ZERO) > 0
                    && longEntryPrice.compareTo(BigDecimal.ZERO) > 0
                    && longEntryPrice.compareTo(shortEntryPrice) > 0
                    && currentPrice.compareTo(shortEntryPrice.multiply(BigDecimal.ONE.add(config.getGridRate()))) > 0
                    && currentPrice.compareTo(longEntryPrice) < 0) {
                executor.openShort(negate(config.getQuantity()), null, null);
                log.info("[Gate] 触发价在多/空持仓价之间且多>空且远离空仓均价, 额外开空一次, 当前价:{}", currentPrice);
            }
        }

        synchronized (longPriceQueue) {
            longPriceQueue.removeAll(matched);
            BigDecimal max = longPriceQueue.isEmpty() ? matched.get(matched.size() - 1) : longPriceQueue.get(longPriceQueue.size() - 1);
            BigDecimal step = config.getGridRate();
            BigDecimal gridStep = config.getStep();
            for (int i = 0; i < matched.size(); i++) {
                max = max.multiply(BigDecimal.ONE.add(step)).setScale(1, RoundingMode.HALF_UP);
                max = max.add(gridStep).setScale(1, RoundingMode.HALF_UP);
                longPriceQueue.add(max);
                log.info("[Gate] 多队列增加:{}", max);
            }
            longPriceQueue.sort(BigDecimal::compareTo);

            log.info("[Gate] 现多队列:{}", longPriceQueue);
        }

        synchronized (shortPriceQueue) {
            BigDecimal first = shortPriceQueue.isEmpty() ? matched.get(0) : shortPriceQueue.get(0);
            BigDecimal step = config.getGridRate();
            int added = 0;
            BigDecimal gridStep = config.getStep();
            for (int i = 1; i <= matched.size(); i++) {
                BigDecimal elem = first.multiply(BigDecimal.ONE.add(step.multiply(BigDecimal.valueOf(i)))).setScale(1, RoundingMode.HALF_UP);
                if (shortEntryPrice.compareTo(BigDecimal.ZERO) > 0
                        && elem.subtract(shortEntryPrice).abs().compareTo(shortEntryPrice.multiply(step)) < 0) {
                    continue;
                }
                BigDecimal elem = first.add(gridStep.multiply(BigDecimal.valueOf(i))).setScale(1, RoundingMode.HALF_UP);
                shortPriceQueue.add(elem);
                added++;
                log.info("[Gate] 空队列增加:{}", elem);
            }
            shortPriceQueue.sort((a, b) -> b.compareTo(a));
            while (shortPriceQueue.size() > config.getGridQueueSize()) {
                shortPriceQueue.remove(shortPriceQueue.size() - 1);
            }
            log.info("[Gate] 现空队列:{}, 跳过{}个(贴近空仓均价)", shortPriceQueue, matched.size() - added);
            log.info("[Gate] 现空队列:{}", shortPriceQueue);
        }

        BigDecimal newLongFirst = longPriceQueue.get(0);
        BigDecimal newShortFirst = shortPriceQueue.get(0);
        BigDecimal step = config.getStep();
        BigDecimal ltpElem = newLongFirst.add(step).setScale(1, RoundingMode.HALF_UP);
        longTakeProfitQueue.add(ltpElem);
        longTakeProfitQueue.sort(BigDecimal::compareTo);
        log.info("[Gate] 多止盈队列增加:{}, 现止盈队列:{}", ltpElem, longTakeProfitQueue);

        if (!isMarginSafe()) {
            log.warn("[Gate] 保证金超限，跳过挂限价单");
        } else {
            String oldShortId = currentShortOrderId;
            executor.cancelOrder(oldShortId);
            executor.placeGridLimitOrder(newLongFirst, config.getQuantity(),
                    orderId -> { currentLongOrderId = orderId; log.info("[Gate] 新限价多单, id:{}, price:{}", orderId, newLongFirst); },
                    null);
            executor.placeGridLimitOrder(newShortFirst, negate(config.getQuantity()),
                    orderId -> { currentShortOrderId = orderId; log.info("[Gate] 新限价空单, id:{}, price:{}", orderId, newShortFirst); },
                    null);
        }

        if (isMarginSafe()
                && shortEntryPrice.compareTo(BigDecimal.ZERO) > 0
                && longEntryPrice.compareTo(BigDecimal.ZERO) > 0
                && longEntryPrice.compareTo(shortEntryPrice) > 0
                && currentPrice.compareTo(shortEntryPrice) > 0
                && currentPrice.compareTo(longEntryPrice) < 0) {
            executor.openShort(negate(config.getQuantity()), null, null);
            log.info("[Gate] 额外反向开空, 当前价:{} 在[{},{}]之间", currentPrice, shortEntryPrice, longEntryPrice);
        }
    }

    // ---- 保证金安全阀 ----

    /**
     * 保证金安全阀检查。
     *
     * <p>实时查询当前保证金占用额（positionInitialMargin），计算其占初始本金的比例。
     * 比例 ≥ marginRatioLimit（默认 20%）时拒绝开仓，但仍照常更新队列。
     *
     * <p>查询失败时默认放行（返回 true），避免因 REST API 异常导致策略完全停滞。
     *
     * @return true=安全可开仓 / false=保证金超限跳过开仓
     */
    private boolean isMarginSafe() {
        try {
            FuturesAccount account = futuresApi.listFuturesAccounts(SETTLE);
@@ -582,6 +786,10 @@

    // ---- 工具 ----

    /**
     * 取反字符串数字。如 "1" → "-1"，"-2" → "2"。
     * 用于开空单时将正数张数转为负数。
     */
    private String negate(String qty) {
        return qty.startsWith("-") ? qty.substring(1) : "-" + qty;
    }
@@ -617,6 +825,9 @@

    /**
     * 根据配置的 PnLPriceMode 返回计价价格。
     * MARK_PRICE 模式优先使用标记价格（外部注入），未注入时回退到最新成交价。
     *
     * @return 计价价格，可能为 null
     */
    private BigDecimal resolvePnlPrice() {
        if (config.getUnrealizedPnlPriceMode() == GateConfig.PnLPriceMode.MARK_PRICE
@@ -626,11 +837,18 @@
        return lastKlinePrice;
    }

    /** @return 最新 K 线价格（每次 onKline 更新） */
    public BigDecimal getLastKlinePrice() { return lastKlinePrice; }
    /** 设置标记价格（外部注入，MARK_PRICE 模式时用于盈亏计算） */
    public void setMarkPrice(BigDecimal markPrice) { this.markPrice = markPrice; }
    /** @return 策略是否处于活跃状态（非 STOPPED 且非 WAITING_KLINE） */
    public boolean isStrategyActive() { return state != StrategyState.STOPPED && state != StrategyState.WAITING_KLINE; }
    /** @return 累计已实现盈亏（平仓推送驱动累加） */
    public BigDecimal getCumulativePnl() { return cumulativePnl; }
    /** @return 当前未实现盈亏（每根 K 线实时计算） */
    public BigDecimal getUnrealizedPnl() { return unrealizedPnl; }
    /** @return Gate 用户 ID（用于私有频道订阅 payload） */
    public Long getUserId() { return userId; }
    /** @return 当前策略状态 */
    public StrategyState getState() { return state; }
}