feat(gateApi): 添加最大持仓限制和止盈机制

Administrator

2026-06-06 4a12400915bd7ca1404cb68df0a5148a99a431d9

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

@@ -793,6 +793,7 @@
                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);
@@ -803,6 +804,7 @@
                longEntryQty = 1;
                extendLongStopLoss(filledQty);
                log.info("[Gate] 多单成交 gridId:{}, qty:{}, 追挂止损", longGridElement.getId(), filledQty);
                checkMaxPositionAndPlaceTakeProfit(true, longGridElement.getId());
            }
        }
    }
@@ -1516,24 +1518,98 @@
        }
    }

    /**
     * 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();
                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:{}",
                                    actualPosSize, nextGridId, 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:{}",
                                    actualPosSize, nextGridId, 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 closeContractValue = longPositionSize.add(shortPositionSize)
                    .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 upl:{}, avail:{}, 合计:{}, 估手续费:{}, 净权益:{}, 目标:{}",
                    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());

                // 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(30000); } catch (InterruptedException e) { Thread.currentThread().interrupt(); }
                    try { Thread.sleep(3000); } catch (InterruptedException e) { Thread.currentThread().interrupt(); }
                    startGrid();
                });
            }
@@ -1552,7 +1628,7 @@
        closeExistingPositions();
        // 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(30000); } catch (InterruptedException e) { Thread.currentThread().interrupt(); }
            try { Thread.sleep(3000); } catch (InterruptedException e) { Thread.currentThread().interrupt(); }
            startGrid();
        });
    }