638589852b
P0-1: SL挂单失败→重试2次→3次失败紧急市价平仓+写event P0-2: TP1检测改用DB qty字段(新增)比对仓位减少，不再用orderId P0-3: emergency-close/block-new/resume/config PUT加admin权限验证 P0-5: risk_guard全平qty按币种精度格式化(BTC:3/ETH:3/XRP:0/SOL:2) P1-3: NOTIFY收到后立即处理跳过sleep，减少信号延迟 P2-1: 三个进程加DB连接断线重连(ensure_db_conn) DB: live_trades新增qty字段
570 lines
21 KiB
Python
570 lines
21 KiB
Python
#!/usr/bin/env python3
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"""
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Risk Guard - 风控熔断模块
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实时监控风险指标，触发熔断时自动执行保护动作
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熔断规则：
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1. 单日亏损超限(-5R) → 全平+停机
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2. 连续亏损(5连亏) → 暂停开仓1小时
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3. API连接异常(>30秒) → 暂停开仓
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4. 余额不足(< 风险×2) → 拒绝开仓
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5. 数据新鲜度超时 → 禁止新开仓
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"""
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import os
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import sys
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import json
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import time
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from pathlib import Path
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try:
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from dotenv import load_dotenv; load_dotenv(Path(__file__).parent / ".env")
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except ImportError:
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pass
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import logging
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import asyncio
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import hashlib
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import hmac
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from urllib.parse import urlencode
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from datetime import datetime, timezone
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import psycopg2
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import aiohttp
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# ============ 配置 ============
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TRADE_ENV = os.getenv("TRADE_ENV", "testnet")
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BINANCE_ENDPOINTS = {
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"testnet": "https://testnet.binancefuture.com",
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"production": "https://fapi.binance.com",
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}
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BASE_URL = BINANCE_ENDPOINTS[TRADE_ENV]
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DB_CONFIG = {
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"host": os.getenv("DB_HOST", "10.106.0.3"),
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"port": int(os.getenv("DB_PORT", "5432")),
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"dbname": os.getenv("DB_NAME", "arb_engine"),
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"user": os.getenv("DB_USER", "arb"),
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"password": os.getenv("DB_PASSWORD", "arb_engine_2026"),
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}
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# 风控参数
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DAILY_LOSS_LIMIT_R = float(os.getenv("DAILY_LOSS_LIMIT_R", "-5"))
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CONSECUTIVE_LOSS_LIMIT = int(os.getenv("CONSECUTIVE_LOSS_LIMIT", "5"))
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CONSECUTIVE_LOSS_COOLDOWN_MIN = int(os.getenv("CONSECUTIVE_LOSS_COOLDOWN_MIN", "60"))
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API_DISCONNECT_THRESHOLD_SEC = int(os.getenv("API_DISCONNECT_THRESHOLD_SEC", "30"))
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MIN_BALANCE_MULTIPLE = float(os.getenv("MIN_BALANCE_MULTIPLE", "2"))
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RISK_PER_TRADE_USD = float(os.getenv("RISK_PER_TRADE_USD", "2"))
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# 超时处置
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HOLD_TIMEOUT_YELLOW_MIN = 45
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HOLD_TIMEOUT_RED_MIN = 60
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HOLD_TIMEOUT_GRACE_MIN = 10 # 红灯后10分钟人工窗口
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HOLD_TIMEOUT_AUTO_CLOSE_MIN = HOLD_TIMEOUT_RED_MIN + HOLD_TIMEOUT_GRACE_MIN # 70分钟
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# 数据新鲜度
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MARKET_DATA_STALE_SEC = 10
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ACCOUNT_UPDATE_STALE_SEC = 20
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CHECK_INTERVAL = 5 # 风控检查间隔(秒)
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SYMBOLS = ["BTCUSDT", "ETHUSDT", "XRPUSDT", "SOLUSDT"]
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SYMBOL_QTY_PRECISION = {
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"BTCUSDT": 3, "ETHUSDT": 3, "XRPUSDT": 0, "SOLUSDT": 2,
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}
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logging.basicConfig(
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level=logging.INFO,
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format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
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)
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logger = logging.getLogger("risk-guard")
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# ============ 状态 ============
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class RiskState:
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"""风控状态管理"""
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def __init__(self):
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self.status = "normal" # normal / warning / circuit_break
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self.block_new_entries = False
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self.reduce_only = False
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self.manual_override = False
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self.circuit_break_reason = None
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self.circuit_break_time = None
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self.auto_resume_time = None
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self.last_api_success = time.time()
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self.last_market_data = time.time()
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self.last_account_update = time.time()
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self.consecutive_losses = 0
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self.today_realized_r = 0.0
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self.today_unrealized_r = 0.0
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self.breaker_history = []
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# 超时处置队列: {trade_id: {"entered_queue_ts": ..., "notified": bool}}
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self.timeout_queue = {}
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def to_dict(self):
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return {
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"status": self.status,
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"block_new_entries": self.block_new_entries,
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"reduce_only": self.reduce_only,
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"circuit_break_reason": self.circuit_break_reason,
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"circuit_break_time": self.circuit_break_time,
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"auto_resume_time": self.auto_resume_time,
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"consecutive_losses": self.consecutive_losses,
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"today_realized_r": round(self.today_realized_r, 2),
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"today_unrealized_r": round(self.today_unrealized_r, 2),
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"today_total_r": round(self.today_realized_r + min(self.today_unrealized_r, 0), 2),
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}
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risk_state = RiskState()
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# ============ API Key ============
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_api_key = None
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_secret_key = None
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def load_api_keys():
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global _api_key, _secret_key
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_api_key = os.getenv("BINANCE_API_KEY")
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_secret_key = os.getenv("BINANCE_SECRET_KEY")
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if _api_key and _secret_key:
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return
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try:
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from google.cloud import secretmanager
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client = secretmanager.SecretManagerServiceClient()
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project = os.getenv("GCP_PROJECT", "gen-lang-client-0835616737")
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prefix = "binance-testnet" if TRADE_ENV == "testnet" else "binance-live"
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_api_key = client.access_secret_version(
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name=f"projects/{project}/secrets/{prefix}-api-key/versions/latest"
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).payload.data.decode()
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_secret_key = client.access_secret_version(
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name=f"projects/{project}/secrets/{prefix}-secret-key/versions/latest"
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).payload.data.decode()
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except Exception as e:
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logger.error(f"Failed to load API keys: {e}")
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sys.exit(1)
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def sign_params(params):
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params["timestamp"] = int(time.time() * 1000)
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query_string = urlencode(params)
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signature = hmac.new(_secret_key.encode(), query_string.encode(), hashlib.sha256).hexdigest()
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params["signature"] = signature
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return params
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async def binance_request(session, method, path, params=None):
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url = f"{BASE_URL}{path}"
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headers = {"X-MBX-APIKEY": _api_key}
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if params is None:
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params = {}
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params = sign_params(params)
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try:
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if method == "GET":
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async with session.get(url, params=params, headers=headers) as resp:
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data = await resp.json()
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risk_state.last_api_success = time.time()
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return data, resp.status
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elif method == "POST":
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async with session.post(url, params=params, headers=headers) as resp:
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data = await resp.json()
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risk_state.last_api_success = time.time()
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return data, resp.status
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elif method == "DELETE":
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async with session.delete(url, params=params, headers=headers) as resp:
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data = await resp.json()
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risk_state.last_api_success = time.time()
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return data, resp.status
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except Exception as e:
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logger.error(f"API request failed: {e}")
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return {"error": str(e)}, 500
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# ============ 风控检查 ============
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def check_daily_loss(conn):
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"""检查今日已实现亏损"""
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cur = conn.cursor()
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# 今日UTC起始
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today_start = datetime.now(timezone.utc).replace(hour=0, minute=0, second=0, microsecond=0)
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today_start_ms = int(today_start.timestamp() * 1000)
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cur.execute("""
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SELECT COALESCE(SUM(pnl_r), 0) as total_r,
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COUNT(*) FILTER (WHERE pnl_r < 0) as loss_count
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FROM live_trades
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WHERE exit_ts >= %s AND status NOT IN ('active', 'tp1_hit')
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""", (today_start_ms,))
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row = cur.fetchone()
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realized_r = float(row[0]) if row[0] else 0
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risk_state.today_realized_r = realized_r
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# 检查连续亏损
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cur.execute("""
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SELECT pnl_r FROM live_trades
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WHERE status NOT IN ('active', 'tp1_hit')
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ORDER BY exit_ts DESC LIMIT %s
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""", (CONSECUTIVE_LOSS_LIMIT,))
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recent = [r[0] for r in cur.fetchall()]
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consecutive = 0
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for r in recent:
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if r and r < 0:
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consecutive += 1
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else:
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break
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risk_state.consecutive_losses = consecutive
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return realized_r, consecutive
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async def check_unrealized_loss(session):
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"""检查未实现亏损"""
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data, status = await binance_request(session, "GET", "/fapi/v2/positionRisk")
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total_unrealized = 0
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if status == 200 and isinstance(data, list):
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for pos in data:
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pnl = float(pos.get("unRealizedProfit", 0))
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total_unrealized += pnl
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# 转为R
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unrealized_r = total_unrealized / RISK_PER_TRADE_USD if RISK_PER_TRADE_USD > 0 else 0
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risk_state.today_unrealized_r = unrealized_r
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return unrealized_r
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async def check_balance(session):
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"""检查余额是否足够"""
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data, status = await binance_request(session, "GET", "/fapi/v2/balance")
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if status == 200 and isinstance(data, list):
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for asset in data:
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if asset.get("asset") == "USDT":
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available = float(asset.get("availableBalance", 0))
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return available
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return 0
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def check_data_freshness():
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"""检查数据新鲜度"""
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now = time.time()
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issues = []
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api_gap = now - risk_state.last_api_success
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if api_gap > API_DISCONNECT_THRESHOLD_SEC:
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issues.append(f"API无响应{api_gap:.0f}秒")
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return issues
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async def check_hold_timeout(session, conn):
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"""检查持仓超时，管理处置队列"""
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cur = conn.cursor()
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cur.execute("""
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SELECT id, symbol, direction, entry_ts, entry_price, risk_distance
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FROM live_trades
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WHERE status IN ('active', 'tp1_hit')
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""")
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now_ms = int(time.time() * 1000)
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for row in cur.fetchall():
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trade_id, symbol, direction, entry_ts, entry_price, rd = row
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hold_min = (now_ms - entry_ts) / 60000
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if hold_min >= HOLD_TIMEOUT_AUTO_CLOSE_MIN:
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# 70分钟：人工窗口到期，自动平仓
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if trade_id in risk_state.timeout_queue:
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logger.warning(f"[{symbol}] ⏰ 持仓{hold_min:.0f}分钟，人工窗口到期，自动市价平仓!")
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close_side = "SELL" if direction == "LONG" else "BUY"
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# 取消所有挂单
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await binance_request(session, "DELETE", "/fapi/v1/allOpenOrders", {"symbol": symbol})
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# 查仓位大小
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pos_data, _ = await binance_request(session, "GET", "/fapi/v2/positionRisk", {"symbol": symbol})
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if isinstance(pos_data, list):
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for p in pos_data:
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amt = abs(float(p.get("positionAmt", 0)))
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if amt > 0 and p["symbol"] == symbol:
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await binance_request(session, "POST", "/fapi/v1/order", {
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"symbol": symbol, "side": close_side, "type": "MARKET",
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"quantity": str(amt), "reduceOnly": "true",
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})
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logger.info(f"[{symbol}] 🔴 自动平仓完成 qty={amt}")
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del risk_state.timeout_queue[trade_id]
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elif hold_min >= HOLD_TIMEOUT_RED_MIN:
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# 60分钟：进入处置队列+10分钟倒计时
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if trade_id not in risk_state.timeout_queue:
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risk_state.timeout_queue[trade_id] = {
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"entered_queue_ts": time.time(),
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"notified": False,
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"symbol": symbol,
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}
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remaining = HOLD_TIMEOUT_GRACE_MIN
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logger.warning(f"[{symbol}] 🔴 持仓{hold_min:.0f}分钟超时! 进入处置队列, {remaining}分钟后自动平仓")
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# TODO: Discord通知范总
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elif not risk_state.timeout_queue[trade_id]["notified"]:
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risk_state.timeout_queue[trade_id]["notified"] = True
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# TODO: Discord紧急通知
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elif hold_min >= HOLD_TIMEOUT_YELLOW_MIN:
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logger.info(f"[{symbol}] 🟡 持仓{hold_min:.0f}分钟，接近超时")
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# ============ 熔断动作 ============
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async def trigger_circuit_break(session, conn, reason: str, action: str = "block_new"):
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"""触发熔断"""
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now = time.time()
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risk_state.status = "circuit_break"
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risk_state.circuit_break_reason = reason
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risk_state.circuit_break_time = now
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if action == "block_new":
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risk_state.block_new_entries = True
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logger.error(f"🔴 熔断触发: {reason} | 动作: 禁止新开仓")
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elif action == "reduce_only":
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risk_state.block_new_entries = True
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risk_state.reduce_only = True
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logger.error(f"🔴 熔断触发: {reason} | 动作: 只减仓模式")
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elif action == "close_all":
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risk_state.block_new_entries = True
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risk_state.reduce_only = True
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logger.error(f"🔴🔴 熔断触发: {reason} | 动作: 全部平仓!")
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# 执行全平
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for symbol in SYMBOLS:
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await binance_request(session, "DELETE", "/fapi/v1/allOpenOrders", {"symbol": symbol})
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pos_data, _ = await binance_request(session, "GET", "/fapi/v2/positionRisk", {"symbol": symbol})
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if isinstance(pos_data, list):
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for p in pos_data:
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amt = float(p.get("positionAmt", 0))
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if amt != 0:
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close_side = "SELL" if amt > 0 else "BUY"
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qty_prec = SYMBOL_QTY_PRECISION.get(symbol, 3)
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qty_str = f"{abs(amt):.{qty_prec}f}"
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await binance_request(session, "POST", "/fapi/v1/order", {
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"symbol": symbol, "side": close_side, "type": "MARKET",
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"quantity": qty_str, "reduceOnly": "true",
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})
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logger.info(f"[{symbol}] 🔴 紧急平仓 {close_side} qty={qty_str}")
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# 记录历史
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risk_state.breaker_history.append({
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"time": now,
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"reason": reason,
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"action": action,
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})
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# 写状态文件（供其他进程读取）
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write_risk_state()
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# 写event到DB
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_log_event(conn, "critical", "risk", f"🔴 熔断: {reason} | 动作: {action}", detail={"reason": reason, "action": action})
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def write_risk_state():
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"""写风控状态到文件（供live_executor读取判断是否可开仓）"""
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state_path = "/tmp/risk_guard_state.json"
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try:
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with open(state_path, "w") as f:
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json.dump(risk_state.to_dict(), f)
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except Exception as e:
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logger.error(f"写风控状态失败: {e}")
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def _log_event(conn, level, category, message, symbol=None, detail=None):
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"""写live_events表"""
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try:
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cur = conn.cursor()
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cur.execute(
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"INSERT INTO live_events (level, category, symbol, message, detail) VALUES (%s, %s, %s, %s, %s)",
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(level, category, symbol, message, json.dumps(detail) if detail else None)
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)
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conn.commit()
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except Exception:
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pass
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def check_auto_resume():
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"""检查是否可以自动恢复"""
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if risk_state.status != "circuit_break":
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return
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now = time.time()
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# 连续亏损冷却期到了
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if (risk_state.circuit_break_reason
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and "连续亏损" in risk_state.circuit_break_reason
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and risk_state.circuit_break_time):
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elapsed_min = (now - risk_state.circuit_break_time) / 60
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if elapsed_min >= CONSECUTIVE_LOSS_COOLDOWN_MIN:
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logger.info(f"✅ 连续亏损冷却期结束({CONSECUTIVE_LOSS_COOLDOWN_MIN}分钟)，自动恢复交易")
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risk_state.status = "normal"
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risk_state.block_new_entries = False
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risk_state.reduce_only = False
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risk_state.circuit_break_reason = None
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write_risk_state()
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# API恢复
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if (risk_state.circuit_break_reason
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and "API" in risk_state.circuit_break_reason):
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api_gap = now - risk_state.last_api_success
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if api_gap < 10: # API恢复正常10秒
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logger.info("✅ API连接恢复，自动恢复交易")
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risk_state.status = "normal"
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risk_state.block_new_entries = False
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risk_state.circuit_break_reason = None
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write_risk_state()
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# ============ 前端紧急指令处理 ============
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EMERGENCY_FILE = "/tmp/risk_guard_emergency.json"
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async def check_emergency_commands(session, conn):
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"""读取前端发的紧急操作指令并执行"""
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try:
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with open(EMERGENCY_FILE) as f:
|
||
cmd = json.load(f)
|
||
# 读完立即删除，防止重复执行
|
||
os.remove(EMERGENCY_FILE)
|
||
except FileNotFoundError:
|
||
return
|
||
except Exception:
|
||
return
|
||
|
||
action = cmd.get("action")
|
||
user = cmd.get("user", "unknown")
|
||
logger.info(f"📩 收到紧急指令: {action} (操作人: {user})")
|
||
|
||
if action == "close_all":
|
||
await trigger_circuit_break(session, conn, f"人工紧急全平 (操作人: {user})", "close_all")
|
||
|
||
elif action == "block_new":
|
||
risk_state.block_new_entries = True
|
||
risk_state.status = "warning"
|
||
risk_state.circuit_break_reason = f"人工禁止新开仓 (操作人: {user})"
|
||
write_risk_state()
|
||
logger.warning(f"🟡 人工禁止新开仓 (操作人: {user})")
|
||
_log_event(conn, "warn", "risk", f"🟡 人工禁止新开仓 (操作人: {user})")
|
||
|
||
elif action == "resume":
|
||
risk_state.status = "normal"
|
||
risk_state.block_new_entries = False
|
||
risk_state.reduce_only = False
|
||
risk_state.circuit_break_reason = None
|
||
risk_state.circuit_break_time = None
|
||
write_risk_state()
|
||
logger.info(f"✅ 人工恢复交易 (操作人: {user})")
|
||
_log_event(conn, "info", "risk", f"✅ 人工恢复交易 (操作人: {user})")
|
||
|
||
else:
|
||
logger.warning(f"⚠ 未知紧急指令: {action}")
|
||
|
||
|
||
# ============ 主循环 ============
|
||
|
||
def ensure_db_conn(conn):
|
||
"""检查DB连接，断线则重连"""
|
||
try:
|
||
conn.cursor().execute("SELECT 1")
|
||
return conn
|
||
except Exception:
|
||
logger.warning("⚠️ DB连接断开，重连中...")
|
||
try:
|
||
conn.close()
|
||
except Exception:
|
||
pass
|
||
return psycopg2.connect(**DB_CONFIG)
|
||
|
||
|
||
async def main():
|
||
logger.info("=" * 60)
|
||
logger.info(f"🛡 Risk Guard 启动 | 环境={TRADE_ENV}")
|
||
logger.info(f" 日限={DAILY_LOSS_LIMIT_R}R | 连亏限={CONSECUTIVE_LOSS_LIMIT}次 | 冷却={CONSECUTIVE_LOSS_COOLDOWN_MIN}分钟")
|
||
logger.info(f" 超时: {HOLD_TIMEOUT_YELLOW_MIN}min黄/{HOLD_TIMEOUT_RED_MIN}min红/{HOLD_TIMEOUT_AUTO_CLOSE_MIN}min自动平")
|
||
logger.info("=" * 60)
|
||
|
||
load_api_keys()
|
||
conn = psycopg2.connect(**DB_CONFIG)
|
||
|
||
# 初始状态写入
|
||
write_risk_state()
|
||
|
||
async with aiohttp.ClientSession() as session:
|
||
while True:
|
||
try:
|
||
conn = ensure_db_conn(conn)
|
||
# 0. 检查自动恢复
|
||
check_auto_resume()
|
||
|
||
# 0.5 检查前端紧急操作指令
|
||
await check_emergency_commands(session, conn)
|
||
|
||
# 1. 今日亏损检查
|
||
realized_r, consecutive = check_daily_loss(conn)
|
||
unrealized_r = await check_unrealized_loss(session)
|
||
total_r = realized_r + min(unrealized_r, 0) # 已实现 + 未实现亏损
|
||
|
||
if total_r <= DAILY_LOSS_LIMIT_R and risk_state.status != "circuit_break":
|
||
await trigger_circuit_break(
|
||
session, conn,
|
||
f"今日亏损{total_r:.2f}R，超过日限{DAILY_LOSS_LIMIT_R}R",
|
||
"close_all"
|
||
)
|
||
|
||
# 2. 连续亏损检查
|
||
if (consecutive >= CONSECUTIVE_LOSS_LIMIT
|
||
and risk_state.status != "circuit_break"):
|
||
await trigger_circuit_break(
|
||
session, conn,
|
||
f"连续亏损{consecutive}次，超过限制{CONSECUTIVE_LOSS_LIMIT}次",
|
||
"block_new"
|
||
)
|
||
risk_state.auto_resume_time = time.time() + CONSECUTIVE_LOSS_COOLDOWN_MIN * 60
|
||
|
||
# 3. API连接检查
|
||
freshness_issues = check_data_freshness()
|
||
if freshness_issues and risk_state.status != "circuit_break":
|
||
await trigger_circuit_break(
|
||
session, conn,
|
||
f"数据异常: {'; '.join(freshness_issues)}",
|
||
"block_new"
|
||
)
|
||
|
||
# 4. 余额检查
|
||
balance = await check_balance(session)
|
||
if balance < RISK_PER_TRADE_USD * MIN_BALANCE_MULTIPLE:
|
||
if not risk_state.block_new_entries:
|
||
risk_state.block_new_entries = True
|
||
logger.warning(f"🟡 余额不足: ${balance:.2f} < ${RISK_PER_TRADE_USD * MIN_BALANCE_MULTIPLE:.2f}，暂停开仓")
|
||
|
||
# 5. 持仓超时检查
|
||
await check_hold_timeout(session, conn)
|
||
|
||
# 6. 写状态
|
||
write_risk_state()
|
||
|
||
# 日志（每60秒输出一次状态）
|
||
if int(time.time()) % 60 < CHECK_INTERVAL:
|
||
logger.info(
|
||
f"📊 风控状态: {risk_state.status} | "
|
||
f"已实现={realized_r:+.2f}R | 未实现={unrealized_r:+.2f}R | "
|
||
f"合计={total_r:+.2f}R | 连亏={consecutive} | "
|
||
f"余额=${balance:.2f}"
|
||
)
|
||
|
||
await asyncio.sleep(CHECK_INTERVAL)
|
||
|
||
except KeyboardInterrupt:
|
||
break
|
||
except Exception as e:
|
||
logger.error(f"❌ 风控检查异常: {e}", exc_info=True)
|
||
await asyncio.sleep(10)
|
||
|
||
conn.close()
|
||
logger.info("Risk Guard 已停止")
|
||
|
||
|
||
if __name__ == "__main__":
|
||
asyncio.run(main())
|