``` refactor(gateApi): 优化网格交易下单量计算逻辑

Administrator

2026-09-23 44b06ecc0a850c6659617a48cd6cba337897cd67

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

@@ -3,9 +3,13 @@
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.StrUtil;
import com.xcong.excoin.utils.dingtalk.DingTalkUtils;
import com.google.gson.ExclusionStrategy;
import com.google.gson.FieldAttributes;
import com.google.gson.Gson;
import io.gate.gateapi.ApiClient;
import io.gate.gateapi.ApiException;
import io.gate.gateapi.GateApiException;
import io.gate.gateapi.JSON;
import io.gate.gateapi.api.AccountApi;
import io.gate.gateapi.api.FuturesApi;
import io.gate.gateapi.models.*;
@@ -110,6 +114,11 @@
    private final FuturesApi futuresApi;
    private static final String SETTLE = "usdt";

    /** 手动市价平仓遭遇价格保护(MARKET_PRICE_TOO_DEVIATED)后的重试次数 */
    private static final int CLOSE_POSITION_RETRY_MAX_ATTEMPTS = 3;
    /** 手动市价平仓遭遇价格保护后的重试间隔（毫秒） */
    private static final long CLOSE_POSITION_RETRY_DELAY_MS = 800L;

    private volatile StrategyState state = StrategyState.WAITING_KLINE;

    /** 空仓价格队列，降序排列（大→小），容量 gridQueueSize */
@@ -150,7 +159,7 @@
    /** 最近触发止损的空头网格ID */
    private volatile int lastShortStopLossGridId = Integer.MAX_VALUE;
    /** 自定义止损模式激活标记：true=尚未发生第一次止损触发，第一次触发后置 false（触发未触发侧重挂默认） */
    private final AtomicBoolean customStopLossModeActive = new AtomicBoolean(false);
    private final AtomicBoolean dualStopLossModeActive = new AtomicBoolean(false);

    private volatile BigDecimal lastKlinePrice;
    private volatile BigDecimal markPrice = BigDecimal.ZERO;
@@ -172,8 +181,50 @@
        ApiClient apiClient = new ApiClient();
        apiClient.setBasePath(config.getRestBasePath());
        apiClient.setApiKeySecret(config.getApiKey(), config.getApiSecret());
        // 修复 gate-api SDK finishAs 枚举不完整导致的反序列化失败（见 buildLenientJson）
        apiClient.setJSON(buildLenientJson());
        this.futuresApi = new FuturesApi(apiClient);
        this.executor = new GateTradeExecutor(apiClient, config.getContract());
    }

    /**
     * 构建容错的 JSON 序列化器，跳过部分枚举不完整字段的反序列化。
     *
     * <p>gate-api SDK 的枚举定义滞后于交易所实际返回值，反序列化未知枚举值时
     * {@code fromValue} 会抛 {@link IllegalArgumentException}，导致接口被误判为失败。
     * 已确认业务不使用以下字段，因此通过 Gson 排除策略直接跳过其解析：
     * <ul>
     *   <li>{@code finishAs}：{@code FuturesOrder.FinishAsEnum} 缺少
     *       {@code price_rate_protected}（价格保护）等值（如日志
     *       {@code Unexpected value 'price_rate_proteced'}）；</li>
     *   <li>{@code posMarginMode}：{@code FuturesPriceTriggeredOrder.PosMarginModeEnum}
     *       只定义 {@code cross}/{@code dual}，而 {@code cancelPriceTriggeredOrderList}
     *       会返回组合值 {@code cross|dual}（如日志 {@code Unexpected value 'cross|dual'}）。</li>
     * </ul>
     */
    private static JSON buildLenientJson() {
        JSON json = new JSON();
        Gson gson = json.getGson().newBuilder()
                .setExclusionStrategies(new ExclusionStrategy() {
                    @Override
                    public boolean shouldSkipField(FieldAttributes f) {
                        if ("finishAs".equals(f.getName())) {
                            return true;
                        }
                        // 仅跳过 FuturesPriceTriggeredOrder 的 posMarginMode，避免误伤
                        // FuturesOrder / Position 的同名字段（二者语义为 isolated/cross）
                        return "posMarginMode".equals(f.getName())
                                && FuturesPriceTriggeredOrder.class.equals(f.getDeclaringClass());
                    }

                    @Override
                    public boolean shouldSkipClass(Class<?> clazz) {
                        return false;
                    }
                })
                .create();
        json.setGson(gson);
        return json;
    }

    // ---- 初始化 ----
@@ -365,7 +416,7 @@
        accumulatedShortLossCount = 0;
        lastLongStopLossGridId = Integer.MAX_VALUE;
        lastShortStopLossGridId = Integer.MAX_VALUE;
        customStopLossModeActive.set(false);
        dualStopLossModeActive.set(false);
        shortPriceQueue.clear();
        longPriceQueue.clear();
        totalShortPriceQueue.clear();
@@ -478,7 +529,7 @@
                config.isPriceDriveEnabled() &&
                longActive == false &&
                    longPositionSize.compareTo(BigDecimal.ZERO) == 0){
            processShortGrid(closePrice);
            processLongGrid(closePrice);
        }


@@ -486,7 +537,7 @@
                config.isPriceDriveEnabled() &&
                shortActive == false &&
                        shortPositionSize.compareTo(BigDecimal.ZERO) == 0){
            processLongGrid(closePrice);
            processShortGrid(closePrice);
        }
    }

@@ -898,12 +949,6 @@
            generateLongQueue();
            updateGridElements();

            GridElement baseGridElement = GridElement.findById(0);
            baseGridElement.setLongOrderId(baseLongTraderParam.getEntryOrderId());
            baseGridElement.setHasLongOrder(true);
            baseGridElement.setShortOrderId(baseShortTraderParam.getEntryOrderId());
            baseGridElement.setHasShortOrder(true);

//            // 空仓止损对应的多仓止盈：多仓止盈挂在ID=3
//            int tpGridIdLong = 3;
//            GridElement tpElemLong = GridElement.findById(tpGridIdLong);
@@ -978,7 +1023,7 @@
//                );
//            }

            if (config.isCustomStopLossEnabled()) {
            if (config.isDualStopLossEnabled()) {
                placeCustomStopLosses();
            } else {
                placeDefaultStopLossLadders();
@@ -995,10 +1040,10 @@
     * 多仓止损：NUMBER_2（价格 ≤ 触发价平多），空仓止损：NUMBER_1（价格 ≥ 触发价平空）。
     */
    private void placeCustomStopLosses() {
        customStopLossModeActive.set(true);
        dualStopLossModeActive.set(true);
        String baseQty = config.getBaseQuantity();
        BigDecimal longPrice = config.getLongCustomStopLossPrice();
        BigDecimal shortPrice = config.getShortCustomStopLossPrice();
        BigDecimal longPrice = config.getLongStopLossPrice();
        BigDecimal shortPrice = config.getShortStopLossPrice();

        if (longPrice != null && longPrice.compareTo(BigDecimal.ZERO) > 0) {
            GridElement longElem = findNearestGridElementByPrice(longPrice);
@@ -1398,7 +1443,8 @@
    }


    private void processShortGrid(BigDecimal currentPrice) {
    /** 多仓仓位归零后，在当前价上方最近网格重新挂多单（遍历 totalLongPriceQueue 升序）。 */
    private void processLongGrid(BigDecimal currentPrice) {
        BigDecimal matched = BigDecimal.ZERO;
        synchronized (totalLongPriceQueue) {
            for (BigDecimal p : totalLongPriceQueue) {
@@ -1424,7 +1470,7 @@
//                        String quantity = String.valueOf(config.getBaseQuantity());


                        String quantity = calculateEntryQuantity(true);
                        String quantity = calculateEntryQuantity(true, false);
                        // 向下检查是否已有多单挂在更低价格网格，有则跳过（防止价格回升后重复挂单）
                        boolean hasLongOrderBelow = false;
                        GridElement checkDownCursor = GridElement.findById(newEntryGrid.getDownId());
@@ -1471,7 +1517,8 @@

    }

    private void processLongGrid(BigDecimal currentPrice) {
    /** 空仓仓位归零后，在当前价下方最近网格重新挂空单（遍历 totalShortPriceQueue 降序）。 */
    private void processShortGrid(BigDecimal currentPrice) {
        BigDecimal matched = BigDecimal.ZERO;
        synchronized (totalShortPriceQueue) {
            for (BigDecimal p : totalShortPriceQueue) {
@@ -1497,7 +1544,7 @@
//                        String quantity = String.valueOf(Math.max(queryPositionSize(Position.ModeEnum.DUAL_LONG), longPositionSize.intValue()) + Integer.parseInt(config.getQuantity()));
//                        String quantity = String.valueOf(config.getBaseQuantity());

                        String quantity = calculateEntryQuantity(false);
                        String quantity = calculateEntryQuantity(false, false);
                        // 向上检查是否已有空单挂在更高价格网格，有则跳过（防止价格回落后重复挂单）
                        boolean hasShortOrderAbove = false;
                        GridElement checkUpCursor = GridElement.findById(newEntryGrid.getUpId());
@@ -1520,7 +1567,7 @@
                                    GridElement finalCancelCursor = cancelCursor;
                                    executor.cancelConditionalOrder(shortOrderId, oid -> {
                                        shortEntryTraderIdParam(finalCancelCursor, shortOrderId, false);
                                        log.info("[Gate] 空仓仓位归零, 取消gridId:{}的多单{}", finalCancelCursor.getId(), shortOrderId);
                                        log.info("[Gate] 空仓仓位归零, 取消gridId:{}的空单{}", finalCancelCursor.getId(), shortOrderId);
                                    });
                                }
                            }
@@ -1531,7 +1578,7 @@
                        if (!newEntryGrid.isHasShortOrder() && !hasShortOrderAbove){
                            BigDecimal triggerPrice = newEntryGrid.getGridPrice();
                            String size = quantity;
                            log.info("[Gate] 空仓仓位归零 gridId:{}, 挂{}基础张多单",
                            log.info("[Gate] 空仓仓位归零 gridId:{}, 挂{}基础张空单",
                                    newEntryGrid.getId(),  size);
                            newEntryGrid.getShortTraderParam().setQuantity(size);
                            placeEntryOrderWithPreFlag(newEntryGrid, false, triggerPrice,
@@ -1565,19 +1612,27 @@
    }

    /**
     * 根据加仓配置计算止损追单时的实际下单量。
     * 根据加仓配置计算入场/追单时的实际下单量。
     * <p>公式：</p>
     * <pre>
     * divisor = addPositionInterval + 1
     * addMultiplier = floor(effectiveStopLossCount / divisor)
     * addQty = addMultiplier × addPositionQuantity
     * finalQty = min(baseQuantity + addQty, maxPositionPerSide > 0 ? maxPositionPerSide : ∞)
     * finalQty = min(baseQuantity + addQty, upperLimit)
     * </pre>
     * <p>上限 upperLimit：</p>
     * <ul>
     *   <li>{@code respectCurrentPosition=false}：{@code upperLimit = maxPositionPerSide}
     *       （仓位归零重新入场，仅限制单次下单量）</li>
     *   <li>{@code respectCurrentPosition=true}：{@code upperLimit = maxPositionPerSide - 当前持仓}
     *       （止损追单，保证单边总持仓 ≤ maxPositionPerSide）</li>
     * </ul>
     *
     * @param isLong {@code true}=多仓方向，{@code false}=空仓方向
     * @param isLong                 {@code true}=多仓方向，{@code false}=空仓方向
     * @param respectCurrentPosition {@code true}=按「单边总持仓 ≤ maxPositionPerSide」扣减当前持仓；{@code false}=仅限制单次下单量
     * @return 实际下单张数（字符串）
     */
    private String calculateEntryQuantity(boolean isLong) {
    private String calculateEntryQuantity(boolean isLong, boolean respectCurrentPosition) {
        int baseQty = Integer.parseInt(config.getBaseQuantity());
        int interval = config.getAddPositionInterval();
        int addQtyPerUnit = config.getAddPositionQuantity();
@@ -1594,8 +1649,20 @@
        int addQty = addMultiplier * addQtyPerUnit;
        int totalQty = baseQty + addQty;

        if (maxPerSide > 0 && totalQty > maxPerSide) {
            totalQty = maxPerSide;
        if (maxPerSide > 0) {
            int upperLimit = maxPerSide;
            if (respectCurrentPosition) {
                // 止损追单：单边总持仓不得超过 maxPerSide，追单量 = maxPerSide - 当前持仓
                int currentPos = isLong
                        ? Math.max(queryPositionSize(Position.ModeEnum.DUAL_LONG), longPositionSize.intValue())
                        : Math.max(queryPositionSize(Position.ModeEnum.DUAL_SHORT), shortPositionSize.intValue());
                upperLimit = maxPerSide - currentPos;
            }
            if (upperLimit <= 0) {
                totalQty = 0;
            } else if (totalQty > upperLimit) {
                totalQty = upperLimit;
            }
        }

        return String.valueOf(totalQty);
@@ -1634,12 +1701,16 @@

        // 止损追单：同一网格可有多笔挂单，不判断 isHasLongOrder，直接挂单
        BigDecimal triggerPrice = newEntryGrid.getGridPrice();
        String size = calculateEntryQuantity(true);
        String size = calculateEntryQuantity(true, true);
        log.info("[Gate] 多仓止损追单 有效次数:{}, 基础:{}张 → 实际:{}张, 模式:{}",
                getEffectiveStopLossCount(true), config.getBaseQuantity(), size, config.getStopLossCountMode());
        newEntryGrid.getLongTraderParam().setQuantity(size);
        placeEntryOrderWithPreFlag(newEntryGrid, true, triggerPrice,
                FuturesPriceTrigger.RuleEnum.NUMBER_1, size);
        if (Integer.parseInt(size) <= 0) {
            log.warn("[Gate] 多仓止损追单 当前持仓已达单边上限({}), 跳过挂单", config.getMaxPositionPerSide());
        } else {
            newEntryGrid.getLongTraderParam().setQuantity(size);
            placeEntryOrderWithPreFlag(newEntryGrid, true, triggerPrice,
                    FuturesPriceTrigger.RuleEnum.NUMBER_1, size);
        }

        // 取消 gridId+2 位置的所有多单
        int cancelGridId = gridId + 2;
@@ -1654,7 +1725,7 @@
        }

        // 自定义止损模式：第一次止损触发时，取消未触发侧（空仓）自定义止损单并重挂默认阶梯
        if (config.isCustomStopLossEnabled() && customStopLossModeActive.compareAndSet(true, false)) {
        if (config.isDualStopLossEnabled() && dualStopLossModeActive.compareAndSet(true, false)) {
            cancelAllShortStopLossesOnly();
            placeDefaultShortStopLossLadder();
            log.info("[Gate] 自定义止损首次触发(多仓), 已取消空仓自定义止损并重挂默认阶梯");
@@ -1693,12 +1764,16 @@

        // 止损追单：同一网格可有多笔挂单，不判断 isHasShortOrder，直接挂单
        BigDecimal triggerPrice = newEntryGrid.getGridPrice();
        String size = calculateEntryQuantity(false);
        String size = calculateEntryQuantity(false, true);
        log.info("[Gate] 空仓止损追单 有效次数:{}, 基础:{}张 → 实际:{}张, 模式:{}",
                getEffectiveStopLossCount(false), config.getBaseQuantity(), size, config.getStopLossCountMode());
        newEntryGrid.getShortTraderParam().setQuantity(size);
        placeEntryOrderWithPreFlag(newEntryGrid, false, triggerPrice,
                FuturesPriceTrigger.RuleEnum.NUMBER_2, negate(size));
        if (Integer.parseInt(size) <= 0) {
            log.warn("[Gate] 空仓止损追单 当前持仓已达单边上限({}), 跳过挂单", config.getMaxPositionPerSide());
        } else {
            newEntryGrid.getShortTraderParam().setQuantity(size);
            placeEntryOrderWithPreFlag(newEntryGrid, false, triggerPrice,
                    FuturesPriceTrigger.RuleEnum.NUMBER_2, negate(size));
        }

        // 取消 gridId-2 位置的所有空单
        int cancelGridId = gridId - 2;
@@ -1713,7 +1788,7 @@
        }

        // 自定义止损模式：第一次止损触发时，取消未触发侧（多仓）自定义止损单并重挂默认阶梯
        if (config.isCustomStopLossEnabled() && customStopLossModeActive.compareAndSet(true, false)) {
        if (config.isDualStopLossEnabled() && dualStopLossModeActive.compareAndSet(true, false)) {
            cancelAllLongStopLossesOnly();
            placeDefaultLongStopLossLadder();
            log.info("[Gate] 自定义止损首次触发(空仓), 已取消多仓自定义止损并重挂默认阶梯");
@@ -1943,7 +2018,8 @@
            return;
        }

        int totalOrders = filledQty / qty;
        // [Gate] 止损只针对初始开仓仓位(baseQuantity)，加仓部分只做止盈
        int totalOrders = baseQty / qty;
        int[] orders = new int[gridCount];

        if (gridCount == 1) {
@@ -2005,7 +2081,8 @@
            return;
        }

        int totalOrders = filledQty / qty;
        // [Gate] 止损只针对初始开仓仓位(baseQuantity)，加仓部分只做止盈
        int totalOrders = baseQty / qty;
        int[] orders = new int[gridCount];

        if (gridCount == 1) {
@@ -2272,6 +2349,210 @@
    /** 注入WS客户端，用于订阅状态检查 */
    public void setWsClient(GateKlineWebSocketClient wsClient) { this.wsClient = wsClient; }

    // ========== 手动控制（Station 指令） ==========

    /**
     * 手动取消多仓止盈 + 止损挂单，并同步清理对应 GridElement 的挂单记录。
     */
    public void cancelLongTakeProfitAndStopLoss() {
        submitManualTask(this::cancelAllLongTakeProfitsAndStopLosses);
    }

    /**
     * 手动取消空仓止盈 + 止损挂单，并同步清理对应 GridElement 的挂单记录。
     */
    public void cancelShortTakeProfitAndStopLoss() {
        submitManualTask(this::cancelAllShortTakeProfitsAndStopLosses);
    }

    /**
     * 手动重新生成多仓止盈 + 止损挂单，逻辑与挂单成交（onAutoOrder）一致：
     * 先撤多仓所有止盈止损，再按交易所最新持仓重挂止损阶梯，超额部分挂止盈到空仓第一止损位。
     */
    public void rebuildLongTakeProfitAndStopLoss() {
        submitManualTask(() -> {
            cancelAllLongTakeProfitsAndStopLosses();
            int posSize = Math.max(queryPositionSize(Position.ModeEnum.DUAL_LONG), longPositionSize.intValue());
            if (posSize <= 0) {
                log.warn("[Gate] 生成多仓止盈止损失败：无多仓持仓");
                return;
            }
            extendLongStopLoss(posSize, 0);
            if (GateConfig.EXCESS_TP_CONCENTRATED.equals(config.getPlaceExcessTakeProfit())) {
                placeExcessTakeProfit(posSize, true);
            } else if (GateConfig.EXCESS_TP_DISPERSED.equals(config.getPlaceExcessTakeProfit())) {
                placeDispersedTakeProfit(posSize, true, 0);
            }
            log.info("[Gate] 生成多仓止盈止损完成, 仓位:{}张", posSize);
        });
    }

    /**
     * 手动重新生成空仓止盈 + 止损挂单，逻辑与挂单成交（onAutoOrder）一致：
     * 先撤空仓所有止盈止损，再按交易所最新持仓重挂止损阶梯，超额部分挂止盈到多仓第一止损位。
     */
    public void rebuildShortTakeProfitAndStopLoss() {
        submitManualTask(() -> {
            cancelAllShortTakeProfitsAndStopLosses();
            int posSize = Math.max(queryPositionSize(Position.ModeEnum.DUAL_SHORT), shortPositionSize.intValue());
            if (posSize <= 0) {
                log.warn("[Gate] 生成空仓止盈止损失败：无空仓持仓");
                return;
            }
            extendShortStopLoss(posSize, 0);
            if (GateConfig.EXCESS_TP_CONCENTRATED.equals(config.getPlaceExcessTakeProfit())) {
                placeExcessTakeProfit(posSize, false);
            } else if (GateConfig.EXCESS_TP_DISPERSED.equals(config.getPlaceExcessTakeProfit())) {
                placeDispersedTakeProfit(posSize, false, 0);
            }
            log.info("[Gate] 生成空仓止盈止损完成, 仓位:{}张", posSize);
        });
    }

    /**
     * 多单平仓：市价平掉多仓 → 撤多仓所有挂单并更新 GridElement → 交由价格驱动（onKline→processGrid）重新入场。
     */
    public void closeLongPosition() {
        submitManualTask(() -> closePositionByMode(Position.ModeEnum.DUAL_LONG, true));
    }

    /**
     * 空单平仓：市价平掉空仓 → 撤空仓所有挂单并更新 GridElement → 交由价格驱动（onKline→processGrid）重新入场。
     */
    public void closeShortPosition() {
        submitManualTask(() -> closePositionByMode(Position.ModeEnum.DUAL_SHORT, false));
    }

    /**
     * 统一提交手动操作任务。策略停止（executor 已关闭）时直接忽略，避免 RejectedExecutionException。
     */
    private void submitManualTask(Runnable task) {
        if (state == StrategyState.STOPPED) {
            log.warn("[Gate] 策略已停止，忽略手动操作");
            return;
        }
        executor.submitTask(task);
    }

    /**
     * 按持仓模式市价平仓（reduceOnly + IOC），随后撤该方向所有挂单（止盈/止损/入场单）、
     * 更新 GridElement，并清空 active 与持仓量标记，让价格驱动在下一根 K 线重新挂入场单。
     *
     * @param mode   持仓模式（DUAL_LONG / DUAL_SHORT）
     * @param isLong true=多仓，false=空仓
     */
    private void closePositionByMode(Position.ModeEnum mode, boolean isLong) {
        String sideLabel = isLong ? "多" : "空";
        // 1. 市价平掉对应方向仓位（价格保护拒绝时重试）
        try {
            Position pos = queryPosition(mode);
            if (pos != null) {
                String sizeStr = pos.getSize();
                long size = Long.parseLong(sizeStr);
                if (size != 0) {
                    Position.ModeEnum posMode = pos.getMode();
                    FuturesOrder closeOrder = new FuturesOrder();
                    closeOrder.setContract(config.getContract());
                    closeOrder.setPrice("0");
                    closeOrder.setTif(FuturesOrder.TifEnum.IOC);
                    closeOrder.setReduceOnly(true);
                    if (posMode != null && posMode.getValue() != null && posMode.getValue().contains("dual")) {
                        closeOrder.setSize("0");
                        closeOrder.setClose(false);
                        closeOrder.setAutoSize(size > 0 ? FuturesOrder.AutoSizeEnum.LONG : FuturesOrder.AutoSizeEnum.SHORT);
                    } else {
                        closeOrder.setSize(size > 0 ? String.valueOf(-size) : String.valueOf(Math.abs(size)));
                    }
                    closeOrder.setText("t-grid-manual-close");
                    for (int attempt = 1; attempt <= CLOSE_POSITION_RETRY_MAX_ATTEMPTS; attempt++) {
                        try {
                            futuresApi.createFuturesOrder(SETTLE, closeOrder, null);
                            log.info("[Gate] 手动平{}仓, size:{}, mode:{}", sideLabel, sizeStr, posMode);
                            break;
                        } catch (Exception e) {
                            if (attempt < CLOSE_POSITION_RETRY_MAX_ATTEMPTS && isPriceProtectionRejected(e)) {
                                log.warn("[Gate] 手动平{}仓遭遇价格保护, 第{}次失败, {}ms后重试: {}",
                                        sideLabel, attempt, CLOSE_POSITION_RETRY_DELAY_MS, e.getMessage());
                                try {
                                    Thread.sleep(CLOSE_POSITION_RETRY_DELAY_MS);
                                } catch (InterruptedException ie) {
                                    Thread.currentThread().interrupt();
                                    break;
                                }
                            } else {
                                throw e;
                            }
                        }
                    }
                }
            }
        } catch (Exception e) {
            log.warn("[Gate] 手动平{}仓失败", sideLabel, e);
        }

        // 2. 撤该方向所有挂单 + 更新 GridElement
        if (isLong) {
            cancelAllLongTakeProfitsAndStopLosses();
            cancelAllLongEntryOrders();
            longActive = false;
            longPositionSize = BigDecimal.ZERO;
        } else {
            cancelAllShortTakeProfitsAndStopLosses();
            cancelAllShortEntryOrders();
            shortActive = false;
            shortPositionSize = BigDecimal.ZERO;
        }
        log.info("[Gate] {}仓已平仓并清理挂单，交由价格驱动重新入场", sideLabel);
    }

    /**
     * 判断异常是否为市价单价格保护拒绝（{@code MARKET_PRICE_TOO_DEVIATED}）。
     *
     * <p>该错误是交易所对市价单的保护：当盘口价相对最新价偏离超过滑点比率时拒绝下单，
     * 属于瞬时行情错误，等待行情稳定后重试通常可成功。
     */
    private boolean isPriceProtectionRejected(Exception e) {
        if (e instanceof GateApiException) {
            String label = ((GateApiException) e).getErrorLabel();
            return label != null && label.contains("PRICE_TOO_DEVIATED");
        }
        return false;
    }

    /**
     * 取消所有多仓入场单（条件开仓单），并清空 GridElement 的多仓挂单记录。
     */
    private void cancelAllLongEntryOrders() {
        for (GridElement e : config.getGridElements()) {
            for (String oid : new ArrayList<>(e.getLongOrderIds())) {
                executor.cancelConditionalOrder(oid, o -> {});
            }
            e.getLongTraderParam().setEntryOrderId(null);
            e.getLongTraderParam().setEntryOrderPlaced(false);
            e.setHasLongOrder(false);
            e.clearLongOrderIds();
        }
        GridElement.refreshIndices();
        log.info("[Gate] 已提交取消所有多仓入场单");
    }

    /**
     * 取消所有空仓入场单（条件开仓单），并清空 GridElement 的空仓挂单记录。
     */
    private void cancelAllShortEntryOrders() {
        for (GridElement e : config.getGridElements()) {
            for (String oid : new ArrayList<>(e.getShortOrderIds())) {
                executor.cancelConditionalOrder(oid, o -> {});
            }
            e.getShortTraderParam().setEntryOrderId(null);
            e.getShortTraderParam().setEntryOrderPlaced(false);
            e.setHasShortOrder(false);
            e.clearShortOrderIds();
        }
        GridElement.refreshIndices();
        log.info("[Gate] 已提交取消所有空仓入场单");
    }

    // ========== 止损查表辅助方法 ==========

    /** 找到第一个有多仓止损单的网格（首个匹配即返回） */