Administrator
2026-06-09 37c567c160546a7ab70ce214ee813d6249adf02b
src/main/java/com/xcong/excoin/modules/gateApi/GateGridTradeService.java
@@ -136,6 +136,11 @@
    /** 多头是否活跃(有仓位) */
    private volatile boolean longActive = false;
    /** 价格驱动 空头是否挂单 */
    private volatile boolean shortEntryActive = false;
    /** 价格驱动 多头是否挂单 */
    private volatile boolean longEntryActive = false;
    private volatile BigDecimal lastKlinePrice;
    private volatile BigDecimal markPrice = BigDecimal.ZERO;
    private volatile BigDecimal cumulativePnl = BigDecimal.ZERO;
@@ -146,6 +151,12 @@
    private volatile BigDecimal shortPositionSize = BigDecimal.ZERO;
    private Long userId;
    private volatile BigDecimal initialPrincipal = BigDecimal.ZERO;
    private volatile GateKlineWebSocketClient wsClient;
    /** 多仓挂单张数计数器:止损触发时用当前值挂单,随后+1;挂单成交后重置为1 */
    private volatile int longEntryQty = 1;
    /** 空仓挂单张数计数器:止损触发时用当前值挂单,随后+1;挂单成交后重置为1 */
    private volatile int shortEntryQty = 1;
    public GateGridTradeService(GateConfig config) {
        this.config = config;
@@ -305,7 +316,25 @@
        longPriceQueue.clear();
        currentLongOrderIds.clear();
        currentShortOrderIds.clear();
        log.info("[Gate] 网格策略已启动");
        longEntryQty = 1;
        shortEntryQty = 1;
        // 每次重启重新获取当前本金
        refreshInitialPrincipal();
        log.info("[Gate] 网格策略已启动, 当前本金: {} USDT", initialPrincipal);
    }
    /**
     * 重新获取当前账户权益作为初始本金。
     */
    private void refreshInitialPrincipal() {
        try {
            FuturesAccount account = futuresApi.listFuturesAccounts(SETTLE);
            this.initialPrincipal = new BigDecimal(account.getTotal());
        } catch (Exception e) {
            log.warn("[Gate] 获取初始化本金失败,使用旧值: {}", initialPrincipal);
        }
    }
    /**
@@ -353,11 +382,16 @@
            BigDecimal totalPnl = cumulativePnl.add(unrealizedPnl);
            log.info("[Gate] 已实现:{}, 未实现:{}, 合计:{}",
                    cumulativePnl, unrealizedPnl, totalPnl);
            startGrid();
            return;
        }
        //初始化0位置的开仓,并且用空的开仓价格,作为价格基准来划分网格
        if (state == StrategyState.WAITING_KLINE) {
            if (wsClient == null || !wsClient.areAllSubscribed()) {
                return;
            }
            state = StrategyState.OPENING;
            log.info("[Gate] 首根K线到达,开基底仓位 多空各{}张...", config.getBaseQuantity());
            executor.openLong(config.getBaseQuantity(), (orderId) -> {
@@ -380,6 +414,22 @@
            return;
        }
        checkProfitAndReset();
        if (state == StrategyState.ACTIVE &&
                longActive == false &&
                    longPositionSize.compareTo(BigDecimal.ZERO) == 0 &&
                        longEntryActive){
            processShortGrid(closePrice);
        }
        if (state == StrategyState.ACTIVE &&
                shortActive == false &&
                        shortPositionSize.compareTo(BigDecimal.ZERO) == 0 &&
                             shortEntryActive){
            processLongGrid(closePrice);
        }
    }
    // ---- 仓位推送回调 ----
@@ -432,9 +482,10 @@
                }
            } else {
                if (longActive && state == StrategyState.ACTIVE) {
                    log.info("[Gate] 多仓持仓归零,重置策略");
                    handlePositionZeroAndReset("多仓");
//                    log.info("[Gate] 多仓持仓归零,重置策略");
//                    handlePositionZeroAndReset("多仓");
                }
                longEntryActive = true;
                longActive = false;
                longPositionSize = BigDecimal.ZERO;
            }
@@ -455,9 +506,10 @@
                }
            } else {
                if (shortActive && state == StrategyState.ACTIVE) {
                    log.info("[Gate] 空仓持仓归零,重置策略");
                    handlePositionZeroAndReset("空仓");
//                    log.info("[Gate] 空仓持仓归零,重置策略");
//                    handlePositionZeroAndReset("空仓");
                }
                shortEntryActive = true;
                shortActive = false;
                shortPositionSize = BigDecimal.ZERO;
            }
@@ -559,19 +611,12 @@
        BigDecimal totalPnl = cumulativePnl.add(unrealizedPnl);
        log.info("[Gate] 已实现:{}, 未实现:{}, 合计:{}",
                cumulativePnl, unrealizedPnl, totalPnl);
        if (totalPnl.compareTo(config.getOverallTp()) >= 0) {
            log.info("[Gate] 已达止盈目标(合计{})→已停止, 已实现:{}, 未实现:{}",
                    totalPnl, cumulativePnl, unrealizedPnl);
            state = StrategyState.STOPPED;
        } else if (totalPnl.compareTo(config.getMaxLoss().negate()) <= 0) {
        if(totalPnl.compareTo(config.getMaxLoss().negate()) <= 0) {
            String logMessage = StrUtil.format("[Gate] 已达亏损风险值(合计{}), 已实现:{}, 未实现:{}",
                    totalPnl, cumulativePnl, unrealizedPnl);
            log.info(logMessage);
            DingTalkUtils.getDefault().sendActionCard("风险提醒", logMessage, config.getApiKey(), "");
//            state = StrategyState.STOPPED;
        }
    }
@@ -768,8 +813,10 @@
            if (shortGridElement.isHasShortOrder() && !tradeId.equals("0")){
                int filledQty = Integer.parseInt(shortGridElement.getShortTraderParam().getQuantity());
                shortEntryTraderIdParam(shortGridElement, null, false);
                shortEntryQty = 1;
                extendShortStopLoss(filledQty);
                log.info("[Gate] 空单成交 gridId:{}, qty:{}, 追挂止损", shortGridElement.getId(), filledQty);
//                checkMaxPositionAndPlaceTakeProfit(false, shortGridElement.getId());
            }
        }
        GridElement longGridElement = GridElement.findByLongOrderId(orderId);
@@ -777,8 +824,10 @@
            if (longGridElement.isHasLongOrder() && !tradeId.equals("0")){
                int filledQty = Integer.parseInt(longGridElement.getLongTraderParam().getQuantity());
                longEntryTraderIdParam(longGridElement, null, false);
                longEntryQty = 1;
                extendLongStopLoss(filledQty);
                log.info("[Gate] 多单成交 gridId:{}, qty:{}, 追挂止损", longGridElement.getId(), filledQty);
//                checkMaxPositionAndPlaceTakeProfit(true, longGridElement.getId());
            }
        }
    }
@@ -902,7 +951,8 @@
            baseGridElement.setShortOrderId(baseShortTraderParam.getEntryOrderId());
            baseGridElement.setHasShortOrder(true);
            for (int id = 2; id <= 11; id++) {
            int shortTime = Integer.parseInt(config.getBaseQuantity()) + 1;
            for (int id = 2; id <= shortTime; id++) {
                GridElement elem = GridElement.findById(id);
                if (elem == null) {
                    continue;
@@ -913,7 +963,7 @@
                        triggerPrice,
                        FuturesPriceTrigger.RuleEnum.NUMBER_1,
                        ORDER_TYPE_CLOSE_SHORT,
                        "1",
                        config.getQuantity(),
                        profitId -> {
                            elem.setShortStopLossOrderId(profitId);
                            GridElement.refreshIndices();
@@ -922,7 +972,9 @@
                );
            }
            for (int id = -2; id >= -11; id--) {
            int longTime = Integer.parseInt(config.getBaseQuantity()) + 1;
            for (int id = -2; id >= -longTime; id--) {
                GridElement elem = GridElement.findById(id);
                if (elem == null) {
                    continue;
@@ -933,7 +985,7 @@
                        triggerPrice,
                        FuturesPriceTrigger.RuleEnum.NUMBER_2,
                        ORDER_TYPE_CLOSE_LONG,
                        "-1",
                        negate(config.getQuantity()),
                        profitId -> {
                            elem.setLongStopLossOrderId(profitId);
                            GridElement.refreshIndices();
@@ -942,7 +994,7 @@
                );
            }
            log.info("[Gate] 止损单已全部挂完, 空仓止损: 2~11, 多仓止损: -2~-11");
            log.info("[Gate] 止损单已全部挂完, 空仓止损: 2~{}, 多仓止损: -2~-{}", shortTime, longTime);
            state = StrategyState.ACTIVE;
        }
    }
@@ -1143,210 +1195,100 @@
    }
    private void processShortGrid(BigDecimal currentPrice) {
        int prec = config.getPriceScale();
        List<BigDecimal> matched = new ArrayList<>();
        BigDecimal matched = BigDecimal.ZERO;
        synchronized (shortPriceQueue) {
            for (BigDecimal p : shortPriceQueue) {
                if (p.compareTo(currentPrice) >= 0) {
                    matched.add(p);
                    matched =  p;
                } else {
                    break;
                }
            }
        }
        if (matched.isEmpty()) {
        if (BigDecimal.ZERO.compareTo( matched) == 0) {
            return;
        }
        log.info("[Gate] 空仓队列触发, 匹配{}个元素, 当前价:{}", matched.size(), currentPrice);
        log.info("[Gate] 多仓仓位归零 空仓队列触发, 匹配:{},当前价:{}", matched, currentPrice);
        synchronized (shortPriceQueue) {
            shortPriceQueue.removeAll(matched);
            BigDecimal min = shortPriceQueue.isEmpty() ? matched.get(matched.size() - 1) : shortPriceQueue.get(shortPriceQueue.size() - 1);
            BigDecimal gridStep = config.getStep();
            for (int i = 0; i < matched.size(); i++) {
                min = min.subtract(gridStep).setScale(prec, RoundingMode.HALF_UP);
                shortPriceQueue.add(min);
            }
            shortPriceQueue.sort((a, b) -> b.compareTo(a));
        }
        GridElement matchedUpGridElement = GridElement.findByPrice(matched);
        synchronized (longPriceQueue) {
            BigDecimal first = longPriceQueue.isEmpty() ? matched.get(matched.size() - 1) : longPriceQueue.get(0);
            BigDecimal gridStep = config.getStep();
            for (int i = 1; i <= matched.size(); i++) {
                BigDecimal elem = first.subtract(gridStep.multiply(BigDecimal.valueOf(i))).setScale(prec, RoundingMode.HALF_UP);
                longPriceQueue.add(elem);
            }
            longPriceQueue.sort(BigDecimal::compareTo);
            while (longPriceQueue.size() > config.getGridQueueSize()) {
                longPriceQueue.remove(longPriceQueue.size() - 1);
            }
        }
        Integer upId = matchedUpGridElement.getUpId();
        GridElement newEntryGrid = GridElement.findById(upId);
        if (!isMarginSafe()) {
            log.warn("[Gate] 保证金超限,跳过挂条件单");
        } else {
        if (newEntryGrid != null) {
            GridElement cancelGridElement = GridElement.findById(newEntryGrid.getUpId());
            /**
             * 下一个开仓位置
             *      获取队列第一个元素的价格对应的网格
             *      判断网格是否能开空仓,如果不能则跳过
             *      前进方向挂空仓条件单
             *      后置方向挂多空条件单
             */
            //下一个开仓位置
            BigDecimal newLongFirst = shortPriceQueue.get(0);
            GridElement UpGridElement = GridElement.findByPrice(newLongFirst);
            if (cancelGridElement != null) {
                BigDecimal triggerPrice = newEntryGrid.getGridPrice();
                String size = cancelGridElement.getLongTraderParam().getQuantity();
                log.info("[Gate] 多仓仓位归零 gridId:{}, 挂{}基础张多单",
                        newEntryGrid.getId(),  size);
                newEntryGrid.getLongTraderParam().setQuantity(size);
                placeEntryOrderWithPreFlag(newEntryGrid, true, triggerPrice,
                        FuturesPriceTrigger.RuleEnum.NUMBER_1, size);
            // 判断网格是否能开空仓,如果不能则跳过
            if (UpGridElement != null) {
                longEntryActive = false;
//                if (!UpGridElement.isHasShortOrder() && shortEntryPrice.compareTo(newLongFirst) > 0) {
//
//                    TraderParam upShortTraderParam = UpGridElement.getShortTraderParam();
//                    placeEntryOrderWithPreFlag(UpGridElement, false,
//                            upShortTraderParam.getEntryPrice(),
//                            FuturesPriceTrigger.RuleEnum.NUMBER_2,
//                            negate(upShortTraderParam.getQuantity()));
//                }
                int i = UpGridElement.getId() + 2;
                GridElement downGridElement = GridElement.findById(i);
                if (downGridElement != null){
                    BigDecimal downGridPrice = downGridElement.getGridPrice();
//                    TraderParam downShortTraderParam = downGridElement.getShortTraderParam();
//                    if (
//                            !downGridElement.isHasShortOrder() &&
//                                    downGridPrice.compareTo(longEntryPrice) <= 0 &&
//                                    downGridPrice.compareTo(shortEntryPrice) >= 0
//                    ){
//                        placeEntryOrderWithPreFlag(downGridElement, false,
//                                downShortTraderParam.getEntryPrice(),
//                                FuturesPriceTrigger.RuleEnum.NUMBER_1,
//                                negate(downShortTraderParam.getQuantity()));
//
//                    }
                    TraderParam downLongTraderParam = downGridElement.getLongTraderParam();
                    if (
                            !downGridElement.isHasLongOrder() &&
                                    downGridPrice.compareTo(longEntryPrice) <= 0
                    ){
                        placeEntryOrderWithPreFlag(downGridElement, true,
                                downLongTraderParam.getEntryPrice(),
                                FuturesPriceTrigger.RuleEnum.NUMBER_1,
                                downLongTraderParam.getQuantity());
                    }
                /**
                 * 看是否有多仓挂单,有就取消
                 */
                if (cancelGridElement != null && cancelGridElement.isHasLongOrder()) {
                    executor.cancelConditionalOrder(cancelGridElement.getLongOrderId(), oid -> {
                        longEntryTraderIdParam(cancelGridElement, null, false);
                        log.info("[Gate] 多仓仓位归零, 取消gridId:{}的多单", cancelGridElement);
                    });
                }
            }
        }
    }
    private void processLongGrid(BigDecimal currentPrice) {
        int prec = config.getPriceScale();
        List<BigDecimal> matched = new ArrayList<>();
        BigDecimal matched = BigDecimal.ZERO;
        synchronized (longPriceQueue) {
            for (BigDecimal p : longPriceQueue) {
                if (p.compareTo(currentPrice) <= 0) {
                    matched.add(p);
                    matched = p;
                } else {
                    break;
                }
            }
        }
        if (matched.isEmpty()) {
        if (BigDecimal.ZERO.compareTo( matched) == 0) {
            return;
        }
        log.info("[Gate] 多仓队列触发, 匹配{}个元素, 当前价:{}", matched.size(), currentPrice);
        log.info("[Gate] 空仓仓位归零 多仓队列触发, 匹配:{},当前价:{}", matched, currentPrice);
        /**
         * 匹配到元素后,
         *  多仓队列更新
         *  空仓队列更新
         */
        synchronized (longPriceQueue) {
            longPriceQueue.removeAll(matched);
            BigDecimal max = longPriceQueue.isEmpty() ? matched.get(matched.size() - 1) : longPriceQueue.get(longPriceQueue.size() - 1);
            BigDecimal gridStep = config.getStep();
            for (int i = 0; i < matched.size(); i++) {
                max = max.add(gridStep).setScale(prec, RoundingMode.HALF_UP);
                longPriceQueue.add(max);
            }
            longPriceQueue.sort(BigDecimal::compareTo);
        }
        synchronized (shortPriceQueue) {
            BigDecimal first = shortPriceQueue.isEmpty() ? matched.get(0) : shortPriceQueue.get(0);
            BigDecimal gridStep = config.getStep();
            for (int i = 1; i <= matched.size(); i++) {
                BigDecimal elem = first.add(gridStep.multiply(BigDecimal.valueOf(i))).setScale(prec, RoundingMode.HALF_UP);
                shortPriceQueue.add(elem);
            }
            shortPriceQueue.sort((a, b) -> b.compareTo(a));
            while (shortPriceQueue.size() > config.getGridQueueSize()) {
                shortPriceQueue.remove(shortPriceQueue.size() - 1);
            }
        }
        GridElement matchedUpGridElement = GridElement.findByPrice(matched);
        if (!isMarginSafe()) {
            log.warn("[Gate] 保证金超限,跳过挂条件单");
        } else {
        Integer downId = matchedUpGridElement.getDownId();
        GridElement newEntryGrid = GridElement.findById(downId);
            /**
             * 下一个开仓位置
             *      获取队列第一个元素的价格对应的网格
             *      判断网格是否能开多仓,如果不能则跳过
             *      前进方向挂多仓条件单
             *      后置方向挂多空条件单
             */
            //下一个开仓位置
            BigDecimal newLongFirst = longPriceQueue.get(0);
            GridElement UpGridElement = GridElement.findByPrice(newLongFirst);
        if (newEntryGrid != null) {
            GridElement cancelGridElement = GridElement.findById(newEntryGrid.getDownId());
            // 判断网格是否能开多仓,如果不能则跳过
            if (UpGridElement != null) {
            if (cancelGridElement != null) {
                BigDecimal triggerPrice = newEntryGrid.getGridPrice();
                String size = cancelGridElement.getShortTraderParam().getQuantity();
                log.info("[Gate] 空仓仓位归零 gridId:{}, 挂{}基础张多单",
                        newEntryGrid.getId(),  size);
                newEntryGrid.getShortTraderParam().setQuantity(size);
                placeEntryOrderWithPreFlag(newEntryGrid, false, triggerPrice,
                        FuturesPriceTrigger.RuleEnum.NUMBER_2, negate(size));
//                if (!UpGridElement.isHasLongOrder() && longEntryPrice.compareTo(newLongFirst) < 0) {
//                    TraderParam upLongTraderParam = UpGridElement.getLongTraderParam();
//                    placeEntryOrderWithPreFlag(UpGridElement, true,
//                            upLongTraderParam.getEntryPrice(),
//                            FuturesPriceTrigger.RuleEnum.NUMBER_1,
//                            config.getQuantity());
//                }
                shortEntryActive = false;
                int i = UpGridElement.getId() - 2;
                GridElement downGridElement = GridElement.findById(i);
                if (downGridElement != null){
                    BigDecimal downGridPrice = downGridElement.getGridPrice();
//                    TraderParam downLongTraderParam = downGridElement.getLongTraderParam();
//                    if (
//                            !downGridElement.isHasLongOrder() &&
//                                    downGridPrice.compareTo(shortEntryPrice) >= 0 &&
//                                    downGridPrice.compareTo(longEntryPrice) <= 0
//                    ){
//                        placeEntryOrderWithPreFlag(downGridElement, true,
//                                downLongTraderParam.getEntryPrice(),
//                                FuturesPriceTrigger.RuleEnum.NUMBER_2,
//                                config.getQuantity());
//
//                    }
                    TraderParam shortTraderParam = downGridElement.getShortTraderParam();
                    if (
                            !downGridElement.isHasShortOrder() &&
                                    downGridPrice.compareTo(shortEntryPrice) >= 0
                    ){
                        placeEntryOrderWithPreFlag(downGridElement, false,
                                shortTraderParam.getEntryPrice(),
                                FuturesPriceTrigger.RuleEnum.NUMBER_2,
                                negate(config.getQuantity()));
                    }
                /**
                 * 看是否有空仓挂单,有就取消
                 */
                if (cancelGridElement != null && cancelGridElement.isHasShortOrder()) {
                    executor.cancelConditionalOrder(cancelGridElement.getShortOrderId(), oid -> {
                        shortEntryTraderIdParam(cancelGridElement, null, false);
                        log.info("[Gate] 空仓仓位归零, 取消gridId:{}的多单", cancelGridElement);
                    });
                }
            }
        }
    }
@@ -1357,7 +1299,6 @@
        log.info("[Gate] 多仓止损触发 gridId:{}, 开始追单", gridId);
        int newEntryGridId = -(N - 1);
        int entryQty = N - 1;
        GridElement newEntryGrid = GridElement.findById(newEntryGridId);
        if (newEntryGrid == null) {
@@ -1377,9 +1318,30 @@
            }
        }
        String size = String.valueOf(entryQty);
        BigDecimal triggerPrice = newEntryGrid.getGridPrice();
        log.info("[Gate] 多仓止损触发 gridId:{}, 在gridId:{}挂{}张多单", gridId, newEntryGridId, entryQty);
        longEntryQty++;
        int entryQty = longEntryQty;
        // 最大持仓限制:已持仓+本次挂单 ≤ maxPositionSize
        int maxPos = config.getMaxPositionSize();
        if (maxPos > 0) {
            int currentPos = longPositionSize.intValue();
            int maxAllowed = maxPos - currentPos;
            if (maxAllowed <= 0) {
                log.warn("[Gate] 多仓止损触发 gridId:{}, 已达最大持仓{},跳过挂单", gridId, maxPos);
                longEntryQty = 1;
                return;
            }
            if (entryQty > maxAllowed) {
                log.info("[Gate] 多仓止损触发 gridId:{}, 挂单{}张超限, 截断为{}张", gridId, entryQty, maxAllowed);
                entryQty = maxAllowed;
                longEntryQty = 1;
            }
        }
        String size = new BigDecimal(String.valueOf(entryQty)).multiply(new BigDecimal(config.getQuantity())).toString();
        log.info("[Gate] 多仓止损触发 gridId:{}, 在gridId:{}挂{}基础张多单(计数器:{}, size:{})",
                gridId, newEntryGridId, entryQty, longEntryQty, size);
        newEntryGrid.getLongTraderParam().setQuantity(size);
        placeEntryOrderWithPreFlag(newEntryGrid, true, triggerPrice,
                FuturesPriceTrigger.RuleEnum.NUMBER_1, size);
@@ -1392,7 +1354,6 @@
        log.info("[Gate] 空仓止损触发 gridId:{}, 开始追单", gridId);
        int newEntryGridId = N - 1;
        int entryQty = N - 1;
        GridElement newEntryGrid = GridElement.findById(newEntryGridId);
        if (newEntryGrid == null) {
@@ -1412,9 +1373,32 @@
            }
        }
        String size = String.valueOf(entryQty);
        BigDecimal triggerPrice = newEntryGrid.getGridPrice();
        log.info("[Gate] 空仓止损触发 gridId:{}, 在gridId:{}挂{}张空单", gridId, newEntryGridId, entryQty);
        shortEntryQty++;
        int entryQty = shortEntryQty;
        // 最大持仓限制:已持仓+本次挂单 ≤ maxPositionSize
        int maxPos = config.getMaxPositionSize();
        if (maxPos > 0) {
            int currentPos = shortPositionSize.intValue();
            int maxAllowed = maxPos - currentPos;
            if (maxAllowed <= 0) {
                log.warn("[Gate] 空仓止损触发 gridId:{}, 已达最大持仓{},跳过挂单", gridId, maxPos);
                shortEntryQty = 1;
                return;
            }
            if (entryQty > maxAllowed) {
                log.info("[Gate] 空仓止损触发 gridId:{}, 挂单{}张超限, 截断为{}张", gridId, entryQty, maxAllowed);
                entryQty = maxAllowed;
                shortEntryQty = 1;
            }
        }
        String size = new BigDecimal(String.valueOf(entryQty)).multiply(new BigDecimal(config.getQuantity())).toString();
        log.info("[Gate] 空仓止损触发 gridId:{}, 在gridId:{}挂{}基础张空单(计数器:{}, size:{})",
                gridId, newEntryGridId, entryQty, shortEntryQty, size);
        newEntryGrid.getShortTraderParam().setQuantity(size);
        placeEntryOrderWithPreFlag(newEntryGrid, false, triggerPrice,
                FuturesPriceTrigger.RuleEnum.NUMBER_2, negate(size));
@@ -1443,7 +1427,7 @@
                    triggerPrice,
                    FuturesPriceTrigger.RuleEnum.NUMBER_2,
                    ORDER_TYPE_CLOSE_LONG,
                    "-1",
                    negate(config.getQuantity()),
                    profitId -> {
                        elem.setLongStopLossOrderId(profitId);
                        GridElement.refreshIndices();
@@ -1476,7 +1460,7 @@
                    triggerPrice,
                    FuturesPriceTrigger.RuleEnum.NUMBER_1,
                    ORDER_TYPE_CLOSE_SHORT,
                    "1",
                    config.getQuantity(),
                    profitId -> {
                        elem.setShortStopLossOrderId(profitId);
                        GridElement.refreshIndices();
@@ -1486,20 +1470,103 @@
        }
    }
    /**
     * 通过 REST API 查询实时持仓,超限则在下一网格挂止盈单。
     * 使用异步执行避免阻塞 WS 回调线程。
     *
     * @param isLong 是否为多仓方向
     * @param gridId 当前挂单成交的网格 ID
     */
    private void checkMaxPositionAndPlaceTakeProfit(boolean isLong, int gridId) {
        int maxPos = config.getMaxPositionSize();
        if (maxPos <= 0) return;
        executor.submitTask(() -> {
            try {
                List<Position> positions = futuresApi.listPositions(SETTLE).execute();
                if (positions == null) return;
                long actualPosSize = 0;
                String targetMode = isLong ? "dual_long" : "dual_short";
                for (Position pos : positions) {
                    if (!config.getContract().equals(pos.getContract())) continue;
                    Position.ModeEnum mode = pos.getMode();
                    if (mode != null && mode.getValue() != null && targetMode.equals(mode.getValue())) {
                        actualPosSize = Math.abs(Long.parseLong(pos.getSize()));
                        break;
                    }
                }
                if (actualPosSize <= maxPos) {
                    log.debug("[Gate] 持仓检查 {}方向 实际持仓:{} ≤ 上限:{}, 无需止盈", targetMode, actualPosSize, maxPos);
                    return;
                }
                // 下一网格 ID:空仓 N→N-1(向基底方向,更低价),多仓 -N→-(N-1)(向基底方向,更高价)
                int nextGridId = isLong ? -(Math.abs(gridId) - 1) : gridId - 1;
                GridElement nextGrid = GridElement.findById(nextGridId);
                if (nextGrid == null) {
                    log.warn("[Gate] 持仓超限 but 下一网格{}不存在", nextGridId);
                    return;
                }
                BigDecimal tpPrice = nextGrid.getGridPrice();
                final long finalPosSize = actualPosSize;
                final int finalNextGridId = nextGridId;
                if (isLong) {
                    executor.placeTakeProfit(tpPrice,
                            FuturesPriceTrigger.RuleEnum.NUMBER_1,
                            ORDER_TYPE_CLOSE_LONG,
                            negate(config.getQuantity()),
                            profitId -> log.info("[Gate] 多仓超限止盈已挂(持仓:{})>, gridId:{}, tpPrice:{}, id:{}",
                                    finalPosSize, finalNextGridId, tpPrice, profitId));
                } else {
                    executor.placeTakeProfit(tpPrice,
                            FuturesPriceTrigger.RuleEnum.NUMBER_2,
                            ORDER_TYPE_CLOSE_SHORT,
                            config.getQuantity(),
                            profitId -> log.info("[Gate] 空仓超限止盈已挂(持仓:{})>, gridId:{}, tpPrice:{}, id:{}",
                                    finalPosSize, finalNextGridId, tpPrice, profitId));
                }
            } catch (Exception e) {
                log.warn("[Gate] 通过API查询持仓超限检查失败", e);
            }
        });
    }
    /** Gate 永续合约 taker 费率 0.05% */
    private static final BigDecimal TAKER_FEE_RATE = new BigDecimal("0.0005");
    /** ETH_USDT 合约面值(每张=0.01 ETH) */
    private static final BigDecimal CT_VAL = new BigDecimal("0.01");
    private void checkProfitAndReset() {
        try {
            FuturesAccount account = futuresApi.listFuturesAccounts(SETTLE);
            BigDecimal unrealisedPnl = new BigDecimal(account.getCrossUnrealisedPnl());
            BigDecimal available = new BigDecimal(account.getCrossAvailable());
            BigDecimal totalEquity = unrealisedPnl.add(available);
            // 估算平仓手续费:(多仓张数+空仓张数) × 合约面值 × 当前价 × taker费率
            BigDecimal totalSize = longPositionSize.abs().add(shortPositionSize.abs());
            BigDecimal closeContractValue =
                    totalSize.multiply(CT_VAL).multiply(lastKlinePrice != null ? lastKlinePrice : BigDecimal.ZERO);
            BigDecimal estimatedFee = closeContractValue.multiply(TAKER_FEE_RATE);
            BigDecimal netEquity = totalEquity.subtract(estimatedFee);
            BigDecimal target = initialPrincipal.add(config.getExpectedProfit());
            log.info("[Gate] 盈亏检查 cross_unrealised_pnl:{}, cross_available:{}, 合计:{}, 目标:{}",
                    unrealisedPnl, available, totalEquity, target);
            if (totalEquity.compareTo(target) > 0) {
                log.info("[Gate] 盈亏达标({}>{}),重置策略", totalEquity, target);
            log.info("[Gate] 盈亏检查,总张数:{}, upl:{}, avail:{}, 合计:{}, 估手续费:{}, 净权益:{}, 目标:{}",
                    totalSize,unrealisedPnl, available, totalEquity, estimatedFee, netEquity, target);
            if (netEquity.compareTo(target) > 0) {
                log.info("[Gate] 盈亏达标(净权益{}>目标{}),重置策略", netEquity, target);
                state = StrategyState.STOPPED;
                closeExistingPositions();
                futuresApi.cancelPriceTriggeredOrderList(SETTLE, config.getContract());
                startGrid();
                // 提交到 executor 末尾:单线程FIFO保证前面所有平仓/取消任务完成后才重置
                executor.submitTask(() -> {
                    try { Thread.sleep(3000); } catch (InterruptedException e) { Thread.currentThread().interrupt(); }
                    startGrid();
                });
            }
        } catch (Exception e) {
            log.warn("[Gate] 盈亏检查失败", e);
@@ -1507,13 +1574,18 @@
    }
    private void handlePositionZeroAndReset(String direction) {
        state = StrategyState.STOPPED;
        try {
            futuresApi.cancelPriceTriggeredOrderList(SETTLE, config.getContract());
        } catch (Exception e) {
            log.warn("[Gate] {}持仓归零后取消条件单失败", direction, e);
        }
        closeExistingPositions();
        startGrid();
        // 提交到 executor 末尾:单线程FIFO保证前面所有平仓/取消任务完成后才重置
        executor.submitTask(() -> {
            try { Thread.sleep(3000); } catch (InterruptedException e) { Thread.currentThread().interrupt(); }
            startGrid();
        });
    }
    // ---- 保证金安全阀 ----
@@ -1652,4 +1724,6 @@
    public Long getUserId() { return userId; }
    /** @return 当前策略状态 */
    public StrategyState getState() { return state; }
    /** 注入WS客户端,用于订阅状态检查 */
    public void setWsClient(GateKlineWebSocketClient wsClient) { this.wsClient = wsClient; }
}