package com.xcong.excoin.modules.gateApi.wsHandler.handler;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import com.xcong.excoin.modules.gateApi.GateGridTradeService;
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import com.xcong.excoin.modules.gateApi.wsHandler.AbstractPrivateChannelHandler;
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import lombok.extern.slf4j.Slf4j;
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import java.math.BigDecimal;
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/**
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* 平仓频道处理器。
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*
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* <h3>数据用途</h3>
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* 每笔平仓发生时推送 pnl（盈亏金额），累加到 {@code cumulativePnl} 用于判断策略停止条件：
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* cumulativePnl ≥ overallTp（达到止盈目标）或 ≤ -maxLoss（超过亏损上限）。
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*
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* <h3>推送字段</h3>
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* contract, side（long / short）, pnl（该次平仓的盈亏，如 "+0.2" 或 "-0.1"）
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*
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* <h3>注意</h3>
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* 平仓盈亏来自服务器端，不受本地计算误差影响。这是策略停止的唯一盈亏判断来源。
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*
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* @author Administrator
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*/
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@Slf4j
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public class PositionClosesChannelHandler extends AbstractPrivateChannelHandler {
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private static final String CHANNEL_NAME = "futures.position_closes";
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public PositionClosesChannelHandler(String apiKey, String apiSecret,
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String contract,
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GateGridTradeService gridTradeService) {
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super(CHANNEL_NAME, apiKey, apiSecret, contract, gridTradeService);
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}
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@Override
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public boolean handleMessage(JSONObject response) {
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if (!CHANNEL_NAME.equals(response.getString("channel"))) return false;
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try {
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JSONArray resultArray = response.getJSONArray("result");
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if (resultArray == null || resultArray.isEmpty()) return true;
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for (int i = 0; i < resultArray.size(); i++) {
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JSONObject item = resultArray.getJSONObject(i);
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if (!getContract().equals(item.getString("contract"))) continue;
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BigDecimal pnl = new BigDecimal(item.getString("pnl"));
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String side = item.getString("side");
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log.info("[{}] 平仓更新, 方向:{}, 盈亏:{}", CHANNEL_NAME, side, pnl);
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if (getGridTradeService() != null) {
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getGridTradeService().onPositionClose(getContract(), side, pnl);
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}
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}
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} catch (Exception e) { log.error("[{}] 处理数据失败", CHANNEL_NAME, e); }
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return true;
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}
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}
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