1216 lines
54 KiB
Python
1216 lines
54 KiB
Python
"""
|
||
币安客户端封装 - 提供异步交易接口
|
||
"""
|
||
import asyncio
|
||
import logging
|
||
import time
|
||
from typing import Dict, List, Optional, Any
|
||
from binance import AsyncClient, BinanceSocketManager
|
||
from binance.exceptions import BinanceAPIException
|
||
|
||
try:
|
||
from . import config
|
||
from .redis_cache import RedisCache
|
||
except ImportError:
|
||
import config
|
||
from redis_cache import RedisCache
|
||
|
||
logger = logging.getLogger(__name__)
|
||
|
||
|
||
class BinanceClient:
|
||
"""币安客户端封装类"""
|
||
|
||
def __init__(self, api_key: str = None, api_secret: str = None, testnet: bool = None):
|
||
"""
|
||
初始化币安客户端
|
||
|
||
Args:
|
||
api_key: API密钥（如果为None，从config读取）
|
||
api_secret: API密钥（如果为None，从config读取）
|
||
testnet: 是否使用测试网（如果为None，从config读取）
|
||
"""
|
||
# 如果未提供参数，从config读取（确保使用最新值）
|
||
if api_key is None:
|
||
# 尝试从配置管理器直接获取
|
||
if config._config_manager:
|
||
try:
|
||
api_key = config._config_manager.get('BINANCE_API_KEY')
|
||
except:
|
||
pass
|
||
# 如果还是None，使用config模块的值
|
||
if not api_key:
|
||
api_key = config.BINANCE_API_KEY
|
||
|
||
if api_secret is None:
|
||
# 尝试从配置管理器直接获取
|
||
if config._config_manager:
|
||
try:
|
||
api_secret = config._config_manager.get('BINANCE_API_SECRET')
|
||
except:
|
||
pass
|
||
# 如果还是None，使用config模块的值
|
||
if not api_secret:
|
||
api_secret = config.BINANCE_API_SECRET
|
||
|
||
if testnet is None:
|
||
testnet = config.USE_TESTNET
|
||
|
||
self.api_key = api_key
|
||
self.api_secret = api_secret
|
||
self.testnet = testnet
|
||
self.client: Optional[AsyncClient] = None
|
||
self.socket_manager: Optional[BinanceSocketManager] = None
|
||
self._symbol_info_cache: Dict[str, Dict] = {} # 缓存交易对信息
|
||
self._last_request_time = {} # 记录每个API端点的最后请求时间
|
||
self._request_delay = 0.1 # 请求间隔（秒），避免频率限制
|
||
self._semaphore = asyncio.Semaphore(10) # 限制并发请求数
|
||
self._price_cache: Dict[str, Dict] = {} # WebSocket价格缓存 {symbol: {price, volume, changePercent, timestamp}}
|
||
self._price_cache_ttl = 60 # 价格缓存有效期（秒）
|
||
|
||
# 持仓模式缓存（币安 U本位合约）：dualSidePosition=True => 对冲模式；False => 单向模式
|
||
self._dual_side_position: Optional[bool] = None
|
||
self._position_mode_checked_at: float = 0.0
|
||
# 你可能会在币安端切换“对冲/单向”模式；TTL 过长会导致短时间内仍按旧模式下单（携带 positionSide）
|
||
# 这里缩短到 10s，兼顾及时性与接口频率。
|
||
self._position_mode_ttl: float = 10.0 # 秒，避免频繁调用接口
|
||
|
||
# 隐藏敏感信息，只显示前4位和后4位
|
||
api_key_display = f"{self.api_key[:4]}...{self.api_key[-4:]}" if self.api_key and len(self.api_key) > 8 else self.api_key
|
||
api_secret_display = f"{self.api_secret[:4]}...{self.api_secret[-4:]}" if self.api_secret and len(self.api_secret) > 8 else self.api_secret
|
||
logger.info(f"初始化币安客户端: {api_key_display}, {api_secret_display}, {self.testnet}")
|
||
|
||
def _refresh_api_credentials(self):
|
||
"""刷新API密钥（从配置管理器重新读取，确保使用最新值）"""
|
||
# 优先从配置管理器读取（会从Redis获取最新值）
|
||
if config._config_manager:
|
||
try:
|
||
# 强制从Redis重新加载配置
|
||
config._config_manager.reload_from_redis()
|
||
new_api_key = config._config_manager.get('BINANCE_API_KEY')
|
||
new_api_secret = config._config_manager.get('BINANCE_API_SECRET')
|
||
|
||
# 如果获取到新值且与当前值不同，更新
|
||
if new_api_key and new_api_key != self.api_key:
|
||
old_key_display = f"{self.api_key[:4]}...{self.api_key[-4:]}" if self.api_key and len(self.api_key) > 8 else self.api_key
|
||
new_key_display = f"{new_api_key[:4]}...{new_api_key[-4:]}" if new_api_key and len(new_api_key) > 8 else new_api_key
|
||
logger.info(f"检测到API密钥已更新: {old_key_display} -> {new_key_display}")
|
||
self.api_key = new_api_key
|
||
# 如果客户端已连接，需要重新连接以使用新密钥
|
||
if self.client:
|
||
logger.warning("API密钥已更新，但客户端已连接，需要重新连接才能使用新密钥")
|
||
|
||
if new_api_secret and new_api_secret != self.api_secret:
|
||
logger.info("检测到API密钥Secret已更新")
|
||
self.api_secret = new_api_secret
|
||
# 如果客户端已连接，需要重新连接以使用新密钥
|
||
if self.client:
|
||
logger.warning("API密钥Secret已更新，但客户端已连接，需要重新连接才能使用新密钥")
|
||
except Exception as e:
|
||
logger.debug(f"从配置管理器刷新API密钥失败: {e}，使用现有值")
|
||
|
||
|
||
# 初始化 Redis 缓存
|
||
self.redis_cache = RedisCache(
|
||
redis_url=config.REDIS_URL,
|
||
use_tls=config.REDIS_USE_TLS,
|
||
ssl_cert_reqs=config.REDIS_SSL_CERT_REQS,
|
||
ssl_ca_certs=config.REDIS_SSL_CA_CERTS,
|
||
username=config.REDIS_USERNAME,
|
||
password=config.REDIS_PASSWORD
|
||
)
|
||
|
||
async def connect(self, timeout: int = None, retries: int = None):
|
||
"""
|
||
连接币安API
|
||
|
||
Args:
|
||
timeout: 连接超时时间（秒），默认从config读取
|
||
retries: 重试次数，默认从config读取
|
||
"""
|
||
# 连接前刷新API密钥（确保使用最新值，支持热更新）
|
||
self._refresh_api_credentials()
|
||
|
||
timeout = timeout or config.CONNECTION_TIMEOUT
|
||
retries = retries or config.CONNECTION_RETRIES
|
||
|
||
last_error = None
|
||
for attempt in range(retries):
|
||
try:
|
||
logger.info(
|
||
f"尝试连接币安API (第 {attempt + 1}/{retries} 次, "
|
||
f"测试网: {self.testnet}, 超时: {timeout}秒)..."
|
||
)
|
||
|
||
# 创建客户端（使用最新的API密钥）
|
||
self.client = await AsyncClient.create(
|
||
api_key=self.api_key,
|
||
api_secret=self.api_secret,
|
||
testnet=self.testnet
|
||
)
|
||
|
||
# 测试连接（带超时）
|
||
try:
|
||
await asyncio.wait_for(self.client.ping(), timeout=timeout)
|
||
except asyncio.TimeoutError:
|
||
await self.client.close_connection()
|
||
raise asyncio.TimeoutError(f"ping超时 ({timeout}秒)")
|
||
|
||
self.socket_manager = BinanceSocketManager(self.client)
|
||
logger.info(f"✓ 币安客户端连接成功 (测试网: {self.testnet})")
|
||
|
||
# 连接 Redis 缓存
|
||
await self.redis_cache.connect()
|
||
|
||
# 验证API密钥权限
|
||
await self._verify_api_permissions()
|
||
|
||
# 预热读取持仓模式（避免首次下单时才触发 -4061）
|
||
try:
|
||
dual = await self._get_dual_side_position(force=True)
|
||
mode = "HEDGE(对冲)" if dual else "ONE-WAY(单向)"
|
||
logger.info(f"✓ 当前合约持仓模式: {mode}")
|
||
except Exception as e:
|
||
logger.debug(f"读取持仓模式失败（可忽略，后续下单会再尝试）: {e}")
|
||
|
||
return
|
||
|
||
except asyncio.TimeoutError as e:
|
||
last_error = f"连接超时: {e}"
|
||
logger.warning(f"连接超时，剩余 {retries - attempt - 1} 次重试机会")
|
||
if attempt < retries - 1:
|
||
await asyncio.sleep(2) # 等待2秒后重试
|
||
except Exception as e:
|
||
last_error = str(e)
|
||
logger.warning(f"连接失败: {e}，剩余 {retries - attempt - 1} 次重试机会")
|
||
if self.client:
|
||
try:
|
||
await self.client.close_connection()
|
||
except:
|
||
pass
|
||
if attempt < retries - 1:
|
||
await asyncio.sleep(2)
|
||
|
||
error_msg = f"连接币安API失败 (已重试 {retries} 次): {last_error}"
|
||
logger.error("=" * 60)
|
||
logger.error(error_msg)
|
||
logger.error("=" * 60)
|
||
logger.error("故障排查建议：")
|
||
logger.error("1. 检查网络连接是否正常")
|
||
logger.error("2. 检查API密钥是否正确")
|
||
logger.error("3. 如果在中国大陆，可能需要使用代理或VPN")
|
||
if self.testnet:
|
||
logger.error("4. 测试网地址可能无法访问，尝试设置 USE_TESTNET=False")
|
||
logger.error("5. 检查防火墙设置")
|
||
logger.error("=" * 60)
|
||
raise ConnectionError(error_msg)
|
||
|
||
async def _verify_api_permissions(self):
|
||
"""
|
||
验证API密钥权限
|
||
"""
|
||
try:
|
||
# 尝试获取账户信息来验证权限
|
||
await self.client.futures_account()
|
||
logger.info("✓ API密钥权限验证通过")
|
||
except BinanceAPIException as e:
|
||
error_code = e.code if hasattr(e, 'code') else None
|
||
if error_code == -2015:
|
||
logger.warning("⚠ API密钥权限验证失败，可能无法进行合约交易")
|
||
logger.warning("请检查API密钥是否启用了合约交易权限")
|
||
else:
|
||
logger.warning(f"⚠ API密钥验证时出现错误: {e}")
|
||
|
||
@staticmethod
|
||
def _to_bool(value: Any) -> Optional[bool]:
|
||
if value is None:
|
||
return None
|
||
if isinstance(value, bool):
|
||
return value
|
||
if isinstance(value, (int, float)):
|
||
return bool(value)
|
||
s = str(value).strip().lower()
|
||
if s in {"true", "1", "yes", "y"}:
|
||
return True
|
||
if s in {"false", "0", "no", "n"}:
|
||
return False
|
||
return None
|
||
|
||
async def _get_dual_side_position(self, force: bool = False) -> Optional[bool]:
|
||
"""
|
||
获取币安合约持仓模式：
|
||
- True: 对冲模式（Hedge Mode，需要下单时传 positionSide=LONG/SHORT）
|
||
- False: 单向模式（One-way Mode，不应传 positionSide=LONG/SHORT）
|
||
"""
|
||
if not self.client:
|
||
return None
|
||
|
||
now = time.time()
|
||
if not force and self._dual_side_position is not None and (now - self._position_mode_checked_at) < self._position_mode_ttl:
|
||
return self._dual_side_position
|
||
|
||
# python-binance: futures_get_position_mode -> {"dualSidePosition": true/false}
|
||
res = await self.client.futures_get_position_mode()
|
||
dual = self._to_bool(res.get("dualSidePosition") if isinstance(res, dict) else None)
|
||
self._dual_side_position = dual
|
||
self._position_mode_checked_at = now
|
||
return dual
|
||
|
||
async def _resolve_position_side_for_order(
|
||
self,
|
||
symbol: str,
|
||
side: str,
|
||
reduce_only: bool,
|
||
provided: Optional[str],
|
||
) -> Optional[str]:
|
||
"""
|
||
在对冲模式下，必须传 positionSide=LONG/SHORT。
|
||
- 开仓：BUY=>LONG, SELL=>SHORT
|
||
- 平仓(reduceOnly)：需要知道要减少的是 LONG 还是 SHORT
|
||
"""
|
||
if provided:
|
||
ps = provided.strip().upper()
|
||
if ps in {"LONG", "SHORT"}:
|
||
return ps
|
||
if ps == "BOTH":
|
||
# 对冲模式下 BOTH 无效，这里按开仓方向兜底
|
||
return "LONG" if side.upper() == "BUY" else "SHORT"
|
||
|
||
side_u = side.upper()
|
||
if not reduce_only:
|
||
return "LONG" if side_u == "BUY" else "SHORT"
|
||
|
||
# reduceOnly 平仓：尝试从当前持仓推断（避免调用方漏传）
|
||
try:
|
||
positions = await self.client.futures_position_information(symbol=symbol)
|
||
nonzero = []
|
||
for p in positions or []:
|
||
try:
|
||
amt = float(p.get("positionAmt", 0))
|
||
except Exception:
|
||
continue
|
||
if abs(amt) > 0:
|
||
nonzero.append((amt, p))
|
||
|
||
if len(nonzero) == 1:
|
||
amt, p = nonzero[0]
|
||
ps = (p.get("positionSide") or "").upper()
|
||
if ps in {"LONG", "SHORT"}:
|
||
return ps
|
||
return "LONG" if amt > 0 else "SHORT"
|
||
|
||
# 多持仓：按平仓方向推断（SELL 通常平 LONG；BUY 通常平 SHORT）
|
||
if side_u == "SELL":
|
||
cand = next((p for amt, p in nonzero if amt > 0), None)
|
||
return (cand.get("positionSide") or "LONG").upper() if cand else "LONG"
|
||
if side_u == "BUY":
|
||
cand = next((p for amt, p in nonzero if amt < 0), None)
|
||
return (cand.get("positionSide") or "SHORT").upper() if cand else "SHORT"
|
||
except Exception as e:
|
||
logger.debug(f"{symbol} 推断 positionSide 失败: {e}")
|
||
|
||
return None
|
||
|
||
async def disconnect(self):
|
||
"""断开连接"""
|
||
|
||
# 关闭 Redis 连接
|
||
await self.redis_cache.close()
|
||
|
||
if self.client:
|
||
await self.client.close_connection()
|
||
logger.info("币安客户端已断开连接")
|
||
|
||
async def get_all_usdt_pairs(self) -> List[str]:
|
||
"""
|
||
获取所有USDT交易对
|
||
|
||
Returns:
|
||
USDT交易对列表
|
||
"""
|
||
try:
|
||
# 获取合约市场信息
|
||
exchange_info = await self.client.futures_exchange_info()
|
||
usdt_pairs = [
|
||
symbol['symbol']
|
||
for symbol in exchange_info['symbols']
|
||
if symbol['symbol'].endswith('USDT')
|
||
and symbol['status'] == 'TRADING'
|
||
and symbol.get('contractType') == 'PERPETUAL' # U本位永续合约
|
||
]
|
||
logger.info(f"获取到 {len(usdt_pairs)} 个USDT永续合约交易对")
|
||
return usdt_pairs
|
||
except BinanceAPIException as e:
|
||
logger.error(f"获取交易对失败: {e}")
|
||
return []
|
||
|
||
async def _rate_limited_request(self, endpoint: str, coro):
|
||
"""
|
||
带速率限制的API请求
|
||
|
||
Args:
|
||
endpoint: API端点标识（用于记录请求时间）
|
||
coro: 异步协程
|
||
"""
|
||
async with self._semaphore:
|
||
# 检查是否需要等待（避免请求过快）
|
||
if endpoint in self._last_request_time:
|
||
elapsed = asyncio.get_event_loop().time() - self._last_request_time[endpoint]
|
||
if elapsed < self._request_delay:
|
||
await asyncio.sleep(self._request_delay - elapsed)
|
||
|
||
self._last_request_time[endpoint] = asyncio.get_event_loop().time()
|
||
return await coro
|
||
|
||
async def get_klines(self, symbol: str, interval: str = '5m', limit: int = 2) -> List[List]:
|
||
"""
|
||
获取K线数据（合约市场）
|
||
优先从 Redis 缓存读取，如果缓存不可用或过期则使用 REST API
|
||
|
||
Args:
|
||
symbol: 交易对
|
||
interval: K线周期
|
||
limit: 获取数量
|
||
|
||
Returns:
|
||
K线数据列表
|
||
"""
|
||
# 先查 Redis 缓存
|
||
cache_key = f"klines:{symbol}:{interval}:{limit}"
|
||
cached = await self.redis_cache.get(cache_key)
|
||
if cached:
|
||
logger.debug(f"从缓存获取 {symbol} K线数据: {interval} x{limit}")
|
||
return cached
|
||
|
||
try:
|
||
# 缓存未命中，调用 API
|
||
klines = await self._rate_limited_request(
|
||
f'klines_{symbol}_{interval}',
|
||
self.client.futures_klines(symbol=symbol, interval=interval, limit=limit)
|
||
)
|
||
|
||
# 写入 Redis 缓存（根据 interval 动态设置 TTL）
|
||
if klines:
|
||
# TTL 设置：1m=10秒, 5m=30秒, 15m=1分钟, 1h=5分钟, 4h=15分钟, 1d=1小时
|
||
ttl_map = {
|
||
'1m': 10,
|
||
'3m': 20,
|
||
'5m': 30,
|
||
'15m': 60,
|
||
'30m': 120,
|
||
'1h': 300,
|
||
'2h': 600,
|
||
'4h': 900,
|
||
'6h': 1200,
|
||
'8h': 1800,
|
||
'12h': 2400,
|
||
'1d': 3600
|
||
}
|
||
ttl = ttl_map.get(interval, 300) # 默认 5 分钟
|
||
await self.redis_cache.set(cache_key, klines, ttl=ttl)
|
||
logger.debug(f"已缓存 {symbol} K线数据: {interval} x{limit} (TTL: {ttl}秒)")
|
||
|
||
return klines
|
||
except BinanceAPIException as e:
|
||
error_code = e.code if hasattr(e, 'code') else None
|
||
if error_code == -1003:
|
||
logger.warning(f"获取 {symbol} K线数据失败: API请求频率过高，建议使用WebSocket或增加扫描间隔")
|
||
else:
|
||
logger.error(f"获取 {symbol} K线数据失败: {e}")
|
||
return []
|
||
|
||
async def get_ticker_24h(self, symbol: str) -> Optional[Dict]:
|
||
"""
|
||
获取24小时行情数据（合约市场）
|
||
优先从WebSocket缓存读取，其次从Redis缓存读取，最后使用REST API
|
||
|
||
Args:
|
||
symbol: 交易对
|
||
|
||
Returns:
|
||
24小时行情数据
|
||
"""
|
||
import time
|
||
|
||
# 1. 优先从WebSocket缓存读取
|
||
if symbol in self._price_cache:
|
||
cached = self._price_cache[symbol]
|
||
cache_age = time.time() - cached.get('timestamp', 0)
|
||
if cache_age < self._price_cache_ttl:
|
||
logger.debug(f"从WebSocket缓存获取 {symbol} 价格: {cached['price']:.8f} (缓存年龄: {cache_age:.1f}秒)")
|
||
return {
|
||
'symbol': symbol,
|
||
'price': cached['price'],
|
||
'volume': cached.get('volume', 0),
|
||
'changePercent': cached.get('changePercent', 0)
|
||
}
|
||
else:
|
||
logger.debug(f"{symbol} WebSocket缓存已过期 ({cache_age:.1f}秒 > {self._price_cache_ttl}秒)")
|
||
|
||
# 2. 从 Redis 缓存读取
|
||
cache_key = f"ticker_24h:{symbol}"
|
||
cached = await self.redis_cache.get(cache_key)
|
||
if cached:
|
||
logger.debug(f"从Redis缓存获取 {symbol} 24小时行情数据")
|
||
return cached
|
||
|
||
# 3. 如果缓存不可用或过期，使用REST API（fallback）
|
||
logger.debug(f"{symbol} 未在缓存中，使用REST API获取")
|
||
try:
|
||
ticker = await self._rate_limited_request(
|
||
f'ticker_{symbol}',
|
||
self.client.futures_symbol_ticker(symbol=symbol)
|
||
)
|
||
stats = await self._rate_limited_request(
|
||
f'stats_{symbol}',
|
||
self.client.futures_ticker(symbol=symbol)
|
||
)
|
||
result = {
|
||
'symbol': symbol,
|
||
'price': float(ticker['price']),
|
||
'volume': float(stats.get('quoteVolume', 0)),
|
||
'changePercent': float(stats.get('priceChangePercent', 0))
|
||
}
|
||
|
||
# 更新 WebSocket 缓存
|
||
self._price_cache[symbol] = {
|
||
**result,
|
||
'timestamp': time.time()
|
||
}
|
||
|
||
# 写入 Redis 缓存（TTL: 30秒）
|
||
await self.redis_cache.set(cache_key, result, ttl=30)
|
||
|
||
return result
|
||
except BinanceAPIException as e:
|
||
error_code = e.code if hasattr(e, 'code') else None
|
||
if error_code == -1003:
|
||
logger.warning(f"获取 {symbol} 24小时行情失败: API请求频率过高，建议使用WebSocket或增加扫描间隔")
|
||
else:
|
||
logger.error(f"获取 {symbol} 24小时行情失败: {e}")
|
||
return None
|
||
|
||
async def get_all_tickers_24h(self) -> Dict[str, Dict]:
|
||
"""
|
||
批量获取所有交易对的24小时行情数据（更高效）
|
||
优先从 Redis 缓存读取，如果缓存不可用或过期则使用 REST API
|
||
|
||
Returns:
|
||
交易对行情数据字典 {symbol: {price, volume, changePercent}}
|
||
"""
|
||
# 先查 Redis 缓存
|
||
cache_key = "ticker_24h:all"
|
||
cached = await self.redis_cache.get(cache_key)
|
||
if cached:
|
||
logger.debug(f"从Redis缓存获取所有交易对的24小时行情数据: {len(cached)} 个交易对")
|
||
return cached
|
||
|
||
try:
|
||
# 使用批量API，一次获取所有交易对的数据
|
||
tickers = await self._rate_limited_request(
|
||
'all_tickers',
|
||
self.client.futures_ticker()
|
||
)
|
||
|
||
result = {}
|
||
now_ms = int(__import__("time").time() * 1000)
|
||
for ticker in tickers:
|
||
symbol = ticker['symbol']
|
||
if symbol.endswith('USDT'):
|
||
result[symbol] = {
|
||
'symbol': symbol,
|
||
'price': float(ticker.get('lastPrice', 0)),
|
||
'volume': float(ticker.get('quoteVolume', 0)),
|
||
'changePercent': float(ticker.get('priceChangePercent', 0)),
|
||
# 用于前端展示“当前价格更新时间”（以及后端合并时判断新鲜度）
|
||
'ts': now_ms
|
||
}
|
||
|
||
# 写入 Redis 缓存（TTL: 30秒）
|
||
await self.redis_cache.set(cache_key, result, ttl=30)
|
||
logger.debug(f"批量获取到 {len(result)} 个交易对的24小时行情数据，已缓存")
|
||
return result
|
||
except BinanceAPIException as e:
|
||
error_code = e.code if hasattr(e, 'code') else None
|
||
if error_code == -1003:
|
||
logger.warning(f"批量获取24小时行情失败: API请求频率过高，建议使用WebSocket或增加扫描间隔")
|
||
else:
|
||
logger.error(f"批量获取24小时行情失败: {e}")
|
||
return {}
|
||
|
||
async def get_account_balance(self) -> Dict[str, float]:
|
||
"""
|
||
获取U本位合约账户余额
|
||
|
||
Returns:
|
||
账户余额字典 {'available': 可用余额, 'total': 总余额}
|
||
"""
|
||
try:
|
||
account = await self.client.futures_account()
|
||
assets = account.get('assets', [])
|
||
usdt_asset = next((a for a in assets if a['asset'] == 'USDT'), None)
|
||
|
||
if usdt_asset:
|
||
return {
|
||
'available': float(usdt_asset['availableBalance']),
|
||
'total': float(usdt_asset['walletBalance']),
|
||
'margin': float(usdt_asset['marginBalance'])
|
||
}
|
||
return {'available': 0.0, 'total': 0.0, 'margin': 0.0}
|
||
except BinanceAPIException as e:
|
||
error_code = e.code if hasattr(e, 'code') else None
|
||
error_msg = str(e)
|
||
|
||
# 合并成“单条多行日志”，避免日志/Redis 里刷屏
|
||
lines = [
|
||
"=" * 60,
|
||
f"获取账户余额失败: {error_msg}",
|
||
]
|
||
if error_code == -2015:
|
||
lines += [
|
||
"=" * 60,
|
||
"API密钥权限错误 (错误代码: -2015)",
|
||
"可能的原因：",
|
||
"1. API密钥无效或已过期",
|
||
"2. API密钥没有合约交易权限",
|
||
"3. IP地址未添加到API密钥白名单",
|
||
"4. 测试网/生产网环境不匹配",
|
||
"=" * 60,
|
||
"解决方案：",
|
||
"1. 登录币安账户，检查API密钥状态",
|
||
"2. 确保API密钥已启用'合约交易'权限",
|
||
"3. 如果设置了IP白名单，请添加当前服务器IP",
|
||
"4. 检查 USE_TESTNET 配置是否正确",
|
||
f" 当前配置: USE_TESTNET = {self.testnet}",
|
||
"=" * 60,
|
||
]
|
||
elif error_code == -1022:
|
||
lines += [
|
||
f"错误代码: {error_code}",
|
||
"签名错误，请检查 API_KEY / API_SECRET 是否匹配、是否有多余空格/换行",
|
||
]
|
||
elif error_code == -2010:
|
||
lines += [
|
||
f"错误代码: {error_code}",
|
||
"账户余额不足",
|
||
]
|
||
else:
|
||
lines += [f"错误代码: {error_code}"]
|
||
|
||
logger.error("\n".join(lines))
|
||
|
||
return {'available': 0.0, 'total': 0.0, 'margin': 0.0}
|
||
|
||
async def get_open_positions(self) -> List[Dict]:
|
||
"""
|
||
获取当前持仓
|
||
|
||
Returns:
|
||
持仓列表
|
||
"""
|
||
try:
|
||
positions = await self.client.futures_position_information()
|
||
open_positions = [
|
||
{
|
||
'symbol': pos['symbol'],
|
||
'positionAmt': float(pos['positionAmt']),
|
||
'entryPrice': float(pos['entryPrice']),
|
||
'markPrice': float(pos.get('markPrice', 0)),
|
||
'unRealizedProfit': float(pos['unRealizedProfit']),
|
||
'leverage': int(pos['leverage'])
|
||
}
|
||
for pos in positions
|
||
if float(pos['positionAmt']) != 0
|
||
]
|
||
return open_positions
|
||
except BinanceAPIException as e:
|
||
logger.error(f"获取持仓信息失败: {e}")
|
||
return []
|
||
|
||
async def get_symbol_info(self, symbol: str) -> Optional[Dict]:
|
||
"""
|
||
获取交易对的精度和限制信息
|
||
优先从 Redis 缓存读取，如果缓存不可用或过期则使用 REST API
|
||
|
||
Args:
|
||
symbol: 交易对
|
||
|
||
Returns:
|
||
交易对信息字典，包含 quantityPrecision, minQty, stepSize 等
|
||
"""
|
||
# 1. 先检查内存缓存
|
||
if symbol in self._symbol_info_cache:
|
||
return self._symbol_info_cache[symbol]
|
||
|
||
# 2. 从 Redis 缓存读取
|
||
cache_key = f"symbol_info:{symbol}"
|
||
cached = await self.redis_cache.get(cache_key)
|
||
if cached:
|
||
logger.debug(f"从Redis缓存获取 {symbol} 交易对信息")
|
||
# 同时更新内存缓存
|
||
self._symbol_info_cache[symbol] = cached
|
||
return cached
|
||
|
||
# 3. 缓存未命中，调用 API
|
||
try:
|
||
exchange_info = await self.client.futures_exchange_info()
|
||
for s in exchange_info['symbols']:
|
||
if s['symbol'] == symbol:
|
||
# 提取数量/价格精度信息
|
||
quantity_precision = s.get('quantityPrecision', 8)
|
||
price_precision = s.get('pricePrecision', 8)
|
||
|
||
# 从filters中提取 minQty/stepSize/minNotional/tickSize
|
||
min_qty = None
|
||
step_size = None
|
||
min_notional = None
|
||
tick_size = None
|
||
for f in s.get('filters', []):
|
||
if f['filterType'] == 'LOT_SIZE':
|
||
min_qty = float(f.get('minQty', 0))
|
||
step_size = float(f.get('stepSize', 0))
|
||
elif f.get('filterType') == 'PRICE_FILTER':
|
||
tick_size = float(f.get('tickSize', 0) or 0)
|
||
elif f['filterType'] == 'MIN_NOTIONAL':
|
||
min_notional = float(f.get('notional', 0))
|
||
|
||
# 如果没有从filters获取到minNotional，使用默认值5 USDT
|
||
if min_notional is None or min_notional == 0:
|
||
min_notional = 5.0
|
||
|
||
# 获取交易对支持的最大杠杆倍数
|
||
# 币安API的exchange_info中可能没有直接的leverageBracket信息
|
||
# 我们尝试从leverageBracket获取，如果没有则使用默认值
|
||
max_leverage_supported = 125 # 币安合约默认最大杠杆
|
||
|
||
# 尝试从leverageBracket获取（如果存在）
|
||
if s.get('leverageBracket') and len(s.get('leverageBracket', [])) > 0:
|
||
max_leverage_supported = s['leverageBracket'][0].get('maxLeverage', 125)
|
||
else:
|
||
# 如果leverageBracket不存在，尝试通过futures_leverage_bracket API获取
|
||
# 但为了不增加API调用，这里先使用默认值125
|
||
# 实际使用时会在设置杠杆时检查，如果失败会自动降低
|
||
max_leverage_supported = 125
|
||
|
||
info = {
|
||
'quantityPrecision': quantity_precision,
|
||
'pricePrecision': price_precision,
|
||
'minQty': min_qty or 0,
|
||
'stepSize': step_size or 0,
|
||
'tickSize': tick_size or 0,
|
||
'minNotional': min_notional,
|
||
'maxLeverage': int(max_leverage_supported) # 交易对支持的最大杠杆
|
||
}
|
||
|
||
# 写入 Redis 缓存（TTL: 1小时）
|
||
await self.redis_cache.set(cache_key, info, ttl=3600)
|
||
|
||
# 同时更新内存缓存
|
||
self._symbol_info_cache[symbol] = info
|
||
logger.debug(f"获取 {symbol} 精度信息: {info}")
|
||
return info
|
||
|
||
logger.warning(f"未找到交易对 {symbol} 的信息")
|
||
return None
|
||
except Exception as e:
|
||
logger.error(f"获取 {symbol} 交易对信息失败: {e}")
|
||
return None
|
||
|
||
def _adjust_quantity_precision(self, quantity: float, symbol_info: Dict) -> float:
|
||
"""
|
||
调整数量精度，使其符合币安要求
|
||
|
||
Args:
|
||
quantity: 原始数量
|
||
symbol_info: 交易对信息
|
||
|
||
Returns:
|
||
调整后的数量
|
||
"""
|
||
if not symbol_info:
|
||
# 如果没有交易对信息，使用默认精度（3位小数）
|
||
return round(quantity, 3)
|
||
|
||
quantity_precision = symbol_info.get('quantityPrecision', 8)
|
||
step_size = symbol_info.get('stepSize', 0)
|
||
min_qty = symbol_info.get('minQty', 0)
|
||
|
||
# 如果有stepSize，按照stepSize调整
|
||
if step_size > 0:
|
||
# 向下取整到stepSize的倍数（使用浮点数除法）
|
||
adjusted = float(int(quantity / step_size)) * step_size
|
||
else:
|
||
# 否则按照精度调整
|
||
adjusted = round(quantity, quantity_precision)
|
||
|
||
# 确保不小于最小数量
|
||
if min_qty > 0 and adjusted < min_qty:
|
||
# 如果小于最小数量，尝试向上取整到最小数量
|
||
if step_size > 0:
|
||
adjusted = min_qty
|
||
else:
|
||
adjusted = round(min_qty, quantity_precision)
|
||
logger.warning(f"数量 {quantity} 小于最小数量 {min_qty}，调整为 {adjusted}")
|
||
|
||
# 最终精度调整
|
||
adjusted = round(adjusted, quantity_precision)
|
||
|
||
if adjusted != quantity:
|
||
logger.info(f"数量精度调整: {quantity} -> {adjusted} (精度: {quantity_precision}, stepSize: {step_size}, minQty: {min_qty})")
|
||
|
||
return adjusted
|
||
|
||
@staticmethod
|
||
def _adjust_price_to_tick(price: float, tick_size: float, side: str) -> float:
|
||
"""
|
||
把 LIMIT 价格调整为 tickSize 的整数倍，避免：
|
||
-4014 Price not increased by tick size
|
||
-1111 Precision is over the maximum defined for this asset（部分情况下也会由 price 引发）
|
||
|
||
规则（入场限价）：
|
||
- BUY：向下取整（更便宜，且不会“买贵了”）
|
||
- SELL：向上取整（更贵/更高，且不会“卖便宜了”）
|
||
"""
|
||
try:
|
||
from decimal import Decimal, ROUND_DOWN, ROUND_UP
|
||
except Exception:
|
||
# fallback：不用 Decimal 时，至少 round 到 8 位，尽量减少精度问题
|
||
return float(round(float(price), 8))
|
||
|
||
try:
|
||
p = Decimal(str(price))
|
||
t = Decimal(str(tick_size))
|
||
if t <= 0:
|
||
return float(p)
|
||
q = p / t
|
||
rounding = ROUND_DOWN if (side or "").upper() == "BUY" else ROUND_UP
|
||
q2 = q.to_integral_value(rounding=rounding)
|
||
p2 = q2 * t
|
||
return float(p2)
|
||
except Exception:
|
||
return float(round(float(price), 8))
|
||
|
||
def _adjust_quantity_precision_up(self, quantity: float, symbol_info: Dict) -> float:
|
||
"""
|
||
向上取整调整数量精度，使其符合币安要求
|
||
|
||
Args:
|
||
quantity: 原始数量
|
||
symbol_info: 交易对信息
|
||
|
||
Returns:
|
||
调整后的数量（向上取整）
|
||
"""
|
||
import math
|
||
|
||
if not symbol_info:
|
||
# 如果没有交易对信息，向上取整到3位小数
|
||
return round(math.ceil(quantity * 1000) / 1000, 3)
|
||
|
||
quantity_precision = symbol_info.get('quantityPrecision', 8)
|
||
step_size = symbol_info.get('stepSize', 0)
|
||
min_qty = symbol_info.get('minQty', 0)
|
||
|
||
# 如果有stepSize，按照stepSize向上取整
|
||
if step_size > 0:
|
||
# 向上取整到stepSize的倍数
|
||
adjusted = math.ceil(quantity / step_size) * step_size
|
||
else:
|
||
# 否则按照精度向上取整
|
||
multiplier = 10 ** quantity_precision
|
||
adjusted = math.ceil(quantity * multiplier) / multiplier
|
||
|
||
# 确保不小于最小数量
|
||
if min_qty > 0 and adjusted < min_qty:
|
||
adjusted = min_qty
|
||
|
||
# 最终精度调整
|
||
adjusted = round(adjusted, quantity_precision)
|
||
|
||
if adjusted != quantity:
|
||
logger.info(f"数量向上取整调整: {quantity} -> {adjusted} (精度: {quantity_precision}, stepSize: {step_size}, minQty: {min_qty})")
|
||
|
||
return adjusted
|
||
|
||
async def place_order(
|
||
self,
|
||
symbol: str,
|
||
side: str,
|
||
quantity: float,
|
||
order_type: str = 'MARKET',
|
||
price: Optional[float] = None,
|
||
reduce_only: bool = False,
|
||
position_side: Optional[str] = None,
|
||
) -> Optional[Dict]:
|
||
"""
|
||
下单
|
||
|
||
Args:
|
||
symbol: 交易对
|
||
side: 方向 'BUY' 或 'SELL'
|
||
quantity: 数量
|
||
order_type: 订单类型 'MARKET' 或 'LIMIT'
|
||
price: 限价单价格
|
||
|
||
Returns:
|
||
订单信息
|
||
"""
|
||
try:
|
||
# 获取交易对精度信息
|
||
symbol_info = await self.get_symbol_info(symbol)
|
||
|
||
# 获取当前价格以计算名义价值
|
||
if price is None:
|
||
ticker = await self.get_ticker_24h(symbol)
|
||
if not ticker:
|
||
logger.error(f"无法获取 {symbol} 的价格信息")
|
||
return None
|
||
current_price = ticker['price']
|
||
else:
|
||
current_price = price
|
||
|
||
# 先按原始数量计算名义价值，用于保证金检查
|
||
initial_notional_value = quantity * current_price
|
||
min_notional = symbol_info.get('minNotional', 5.0) if symbol_info else 5.0
|
||
|
||
# 调整数量精度（在保证金检查之前）
|
||
adjusted_quantity = self._adjust_quantity_precision(quantity, symbol_info)
|
||
|
||
if adjusted_quantity <= 0:
|
||
logger.error(f"调整后的数量无效: {adjusted_quantity} (原始: {quantity})")
|
||
return None
|
||
|
||
# 使用调整后的数量重新计算名义价值
|
||
notional_value = adjusted_quantity * current_price
|
||
|
||
logger.info(f"下单检查: {symbol} {side} {adjusted_quantity} (原始: {quantity}) @ {order_type}")
|
||
logger.info(f" 当前价格: {current_price:.4f} USDT")
|
||
logger.info(f" 订单名义价值: {notional_value:.2f} USDT")
|
||
logger.info(f" 最小名义价值: {min_notional:.2f} USDT")
|
||
logger.info(f" 平仓模式: {reduce_only}")
|
||
|
||
# 检查名义价值是否满足最小要求
|
||
# 注意：对于平仓操作（reduce_only=True），完全跳过名义价值检查
|
||
# 因为平仓是关闭现有持仓，币安允许任意大小的平仓订单（只要大于0）
|
||
if reduce_only:
|
||
logger.info(f" 平仓操作：跳过名义价值检查（名义价值: {notional_value:.2f} USDT）")
|
||
elif notional_value < min_notional:
|
||
logger.warning(
|
||
f"❌ {symbol} 订单名义价值不足: {notional_value:.2f} USDT < "
|
||
f"最小要求: {min_notional:.2f} USDT"
|
||
)
|
||
logger.warning(f" 需要增加数量或提高仓位大小")
|
||
return None
|
||
|
||
# 检查最小保证金要求（避免手续费侵蚀收益）
|
||
# 获取当前杠杆（如果无法获取，使用默认值）
|
||
current_leverage = config.TRADING_CONFIG.get('LEVERAGE', 10)
|
||
try:
|
||
# 尝试从持仓信息获取实际使用的杠杆
|
||
positions = await self.client.futures_position_information(symbol=symbol)
|
||
if positions and len(positions) > 0:
|
||
position = positions[0]
|
||
if float(position.get('positionAmt', 0)) != 0:
|
||
# 有持仓，使用持仓的杠杆
|
||
leverage_bracket = position.get('leverage', current_leverage)
|
||
if leverage_bracket:
|
||
current_leverage = int(leverage_bracket)
|
||
except Exception as e:
|
||
logger.debug(f"无法获取 {symbol} 的杠杆信息，使用默认值: {current_leverage}x ({e})")
|
||
|
||
min_margin_usdt = config.TRADING_CONFIG.get('MIN_MARGIN_USDT', 0.5) # 默认0.5 USDT
|
||
required_margin = notional_value / current_leverage
|
||
|
||
# 对于平仓操作（reduce_only=True），跳过最小保证金检查
|
||
# 因为这是关闭现有持仓，不应该因为保证金不足而拒绝平仓
|
||
if reduce_only:
|
||
logger.info(f" 平仓操作：跳过最小保证金检查（名义价值: {notional_value:.2f} USDT）")
|
||
elif required_margin < min_margin_usdt:
|
||
# 如果保证金不足，自动调整到最小保证金要求
|
||
required_notional_value = min_margin_usdt * current_leverage
|
||
logger.warning(
|
||
f"⚠ {symbol} 订单保证金不足: {required_margin:.4f} USDT < "
|
||
f"最小保证金要求: {min_margin_usdt:.2f} USDT"
|
||
)
|
||
logger.info(
|
||
f" 自动调整订单名义价值: {notional_value:.2f} USDT -> {required_notional_value:.2f} USDT "
|
||
f"(杠杆: {current_leverage}x, 保证金: {min_margin_usdt:.2f} USDT)"
|
||
)
|
||
|
||
# 调整数量以满足最小保证金要求
|
||
if current_price > 0:
|
||
new_quantity = required_notional_value / current_price
|
||
# 先尝试向下取整调整
|
||
adjusted_quantity = self._adjust_quantity_precision(new_quantity, symbol_info)
|
||
# 重新计算名义价值和保证金
|
||
notional_value = adjusted_quantity * current_price
|
||
required_margin = notional_value / current_leverage
|
||
|
||
# 如果调整后保证金仍然不足，使用向上取整
|
||
if required_margin < min_margin_usdt:
|
||
logger.warning(
|
||
f" ⚠ 向下取整后保证金仍不足: {required_margin:.4f} USDT < {min_margin_usdt:.2f} USDT"
|
||
)
|
||
adjusted_quantity = self._adjust_quantity_precision_up(new_quantity, symbol_info)
|
||
# 重新计算名义价值和保证金
|
||
notional_value = adjusted_quantity * current_price
|
||
required_margin = notional_value / current_leverage
|
||
|
||
# 再次检查保证金
|
||
if required_margin < min_margin_usdt:
|
||
logger.error(
|
||
f" ❌ 调整后保证金仍不足: {required_margin:.4f} USDT < {min_margin_usdt:.2f} USDT"
|
||
)
|
||
logger.error(
|
||
f" 💡 建议: 增加账户余额或降低杠杆倍数，才能满足最小保证金要求"
|
||
)
|
||
return None
|
||
|
||
logger.info(
|
||
f" ✓ 调整数量: {quantity:.4f} -> {adjusted_quantity:.4f}, "
|
||
f"名义价值: {notional_value:.2f} USDT, "
|
||
f"保证金: {required_margin:.4f} USDT"
|
||
)
|
||
else:
|
||
logger.error(f" ❌ 无法获取 {symbol} 的当前价格，无法调整订单大小")
|
||
return None
|
||
|
||
# 最终检查：确保调整后的保证金满足要求
|
||
# 对于平仓操作（reduce_only=True），跳过最终保证金检查
|
||
if reduce_only:
|
||
logger.info(f" 平仓操作：跳过最终保证金检查（保证金: {required_margin:.4f} USDT）")
|
||
elif required_margin < min_margin_usdt:
|
||
logger.error(
|
||
f"❌ {symbol} 订单保证金不足: {required_margin:.4f} USDT < "
|
||
f"最小保证金要求: {min_margin_usdt:.2f} USDT，拒绝下单"
|
||
)
|
||
return None
|
||
else:
|
||
logger.info(
|
||
f" 保证金检查通过: {required_margin:.4f} USDT >= "
|
||
f"最小要求: {min_margin_usdt:.2f} USDT (杠杆: {current_leverage}x)"
|
||
)
|
||
|
||
# 最终检查：确保名义价值不小于0.2 USDT（避免无意义的小单子）
|
||
# 对于平仓操作（reduce_only=True），跳过此检查
|
||
# MIN_NOTIONAL_VALUE = 0.2 # 最小名义价值0.2 USDT
|
||
# if not reduce_only and notional_value < MIN_NOTIONAL_VALUE:
|
||
# logger.error(
|
||
# f"❌ {symbol} 订单名义价值 {notional_value:.4f} USDT < 最小要求 {MIN_NOTIONAL_VALUE:.2f} USDT，拒绝下单"
|
||
# )
|
||
# logger.error(f" 💡 此类小单子意义不大，拒绝开仓")
|
||
# return None
|
||
|
||
# 构建订单参数
|
||
order_params = {
|
||
'symbol': symbol,
|
||
'side': side,
|
||
'type': order_type,
|
||
'quantity': adjusted_quantity
|
||
}
|
||
|
||
# 处理持仓模式（解决 -4061：position side 与账户设置不匹配）
|
||
# - 对冲模式：必须传 positionSide=LONG/SHORT
|
||
# - 单向模式：不要传 positionSide=LONG/SHORT（否则会 -4061）
|
||
dual = None
|
||
try:
|
||
dual = await self._get_dual_side_position()
|
||
except Exception as e:
|
||
logger.debug(f"{symbol} 获取持仓模式失败（稍后用重试兜底）: {e}")
|
||
|
||
if dual is True:
|
||
ps = await self._resolve_position_side_for_order(symbol, side, reduce_only, position_side)
|
||
if not ps:
|
||
logger.error(f"{symbol} 对冲模式下无法确定 positionSide，拒绝下单以避免 -4061")
|
||
return None
|
||
order_params["positionSide"] = ps
|
||
elif dual is False:
|
||
if position_side:
|
||
logger.info(f"{symbol} 单向模式下忽略 positionSide={position_side}（避免 -4061）")
|
||
|
||
# 如果是平仓订单，添加 reduceOnly 参数
|
||
# 根据币安API文档，reduceOnly 应该是字符串 "true" 或 "false"
|
||
if reduce_only:
|
||
# 实测：某些账户/模式下（尤其是对冲模式 + positionSide）会报：
|
||
# APIError(code=-1106): Parameter 'reduceonly' sent when not required.
|
||
# 因此：当我们已经明确指定 positionSide=LONG/SHORT 时，不再传 reduceOnly；
|
||
# 其余情况仍保留 reduceOnly 以避免反向开仓。
|
||
if order_params.get("positionSide") in {"LONG", "SHORT"}:
|
||
logger.info(f"{symbol} 对冲模式平仓：已指定 positionSide，跳过 reduceOnly（避免 -1106）")
|
||
else:
|
||
# python-binance 可以接受 bool；同时后面也做 -1106 自动兜底重试
|
||
order_params['reduceOnly'] = True
|
||
logger.info(f"{symbol} 使用 reduceOnly=true 平仓订单")
|
||
|
||
async def _submit(params: Dict[str, Any]) -> Dict[str, Any]:
|
||
if order_type == 'MARKET':
|
||
return await self.client.futures_create_order(**params)
|
||
if price is None:
|
||
raise ValueError("限价单必须指定价格")
|
||
params = dict(params)
|
||
params['timeInForce'] = 'GTC'
|
||
# LIMIT 价格按 tickSize 修正（避免 -4014 / -1111）
|
||
tick = float(symbol_info.get("tickSize", 0) or 0) if symbol_info else 0.0
|
||
p2 = self._adjust_price_to_tick(float(price), tick, side)
|
||
# 用字符串提交，避免浮点造成的精度问题
|
||
params['price'] = str(p2)
|
||
# quantity 也转成字符串提交（同样避免浮点精度）
|
||
params['quantity'] = str(params.get('quantity'))
|
||
return await self.client.futures_create_order(**params)
|
||
|
||
# 提交订单；若遇到：
|
||
# -4061: positionSide 与账户模式不匹配 → 在“带/不带 positionSide”之间兜底切换重试
|
||
# -1106: reduceOnly not required → 去掉 reduceOnly 重试（避免自动平仓失败）
|
||
try:
|
||
order = await _submit(order_params)
|
||
except BinanceAPIException as e:
|
||
code = getattr(e, "code", None)
|
||
if code in (-4061, -1106):
|
||
retry_params = dict(order_params)
|
||
if code == -4061:
|
||
logger.error(f"{symbol} 触发 -4061（持仓模式不匹配），尝试自动兜底重试一次")
|
||
if "positionSide" in retry_params:
|
||
retry_params.pop("positionSide", None)
|
||
else:
|
||
ps = await self._resolve_position_side_for_order(symbol, side, reduce_only, position_side)
|
||
if ps:
|
||
retry_params["positionSide"] = ps
|
||
elif code == -1106:
|
||
# 常见：Parameter 'reduceonly' sent when not required.
|
||
msg = str(e).lower()
|
||
if "reduceonly" in msg or "reduce only" in msg:
|
||
logger.error(f"{symbol} 触发 -1106（reduceOnly 不被接受），去掉 reduceOnly 后重试一次")
|
||
retry_params.pop("reduceOnly", None)
|
||
else:
|
||
raise
|
||
order = await _submit(retry_params)
|
||
else:
|
||
raise
|
||
|
||
logger.info(f"下单成功: {symbol} {side} {adjusted_quantity} @ {order_type} (名义价值: {notional_value:.2f} USDT)")
|
||
return order
|
||
except BinanceAPIException as e:
|
||
error_code = e.code if hasattr(e, 'code') else None
|
||
error_msg = str(e)
|
||
|
||
if error_code == -1111:
|
||
logger.error(f"下单失败 {symbol} {side}: 精度错误 - {e}")
|
||
logger.error(f" 原始数量: {quantity}")
|
||
if order_type == 'LIMIT':
|
||
logger.error(f" 原始价格: {price}")
|
||
if symbol_info:
|
||
logger.error(f" 交易对精度: {symbol_info}")
|
||
elif error_code == -4014:
|
||
# Price not increased by tick size.
|
||
logger.error(f"下单失败 {symbol} {side}: 价格步长错误(-4014) - {e}")
|
||
logger.error(f" 原始数量: {quantity}")
|
||
logger.error(f" 原始价格: {price}")
|
||
if symbol_info:
|
||
logger.error(f" tickSize: {symbol_info.get('tickSize')}, pricePrecision: {symbol_info.get('pricePrecision')}")
|
||
elif error_code == -4164:
|
||
logger.error(f"下单失败 {symbol} {side}: 订单名义价值不足 - {e}")
|
||
logger.error(f" 订单名义价值必须至少为 5 USDT (除非选择 reduce only)")
|
||
if symbol_info:
|
||
logger.error(f" 最小名义价值: {symbol_info.get('minNotional', 5.0)} USDT")
|
||
elif error_code == -2022:
|
||
# ReduceOnly Order is rejected - 可能是没有持仓或持仓方向不对
|
||
# 这类错误在并发/竞态场景很常见：我们以为还有仓位，但实际上已经被其他任务/手动操作平掉了
|
||
# 对于 reduce_only=True：调用方应当把它当作“幂等平仓”的可接受结果（再查一次实时持仓即可）。
|
||
if reduce_only:
|
||
logger.warning(f"下单被拒绝 {symbol} {side}: ReduceOnly(-2022)（可能仓位已为0/方向腿不匹配），将由上层做幂等处理")
|
||
else:
|
||
logger.error(f"下单失败 {symbol} {side}: ReduceOnly 订单被拒绝 - {e}")
|
||
elif "reduceOnly" in error_msg.lower() or "reduce only" in error_msg.lower():
|
||
logger.error(f"下单失败 {symbol} {side}: ReduceOnly 相关错误 - {e}")
|
||
logger.error(f" 错误码: {error_code}")
|
||
else:
|
||
logger.error(f"下单失败 {symbol} {side}: {e}")
|
||
logger.error(f" 错误码: {error_code}")
|
||
logger.error(
|
||
f" 下单参数: symbol={symbol}, side={side}, quantity={adjusted_quantity}, type={order_type}, "
|
||
f"reduceOnly={reduce_only}, positionSide={order_params.get('positionSide') if 'order_params' in locals() else None}"
|
||
)
|
||
|
||
return None
|
||
except Exception as e:
|
||
# 捕获其他异常
|
||
logger.error(f"下单失败 {symbol} {side}: 未知错误 - {e}")
|
||
logger.error(f" 错误类型: {type(e).__name__}")
|
||
import traceback
|
||
logger.error(f" 完整错误堆栈:\n{traceback.format_exc()}")
|
||
return None
|
||
|
||
async def cancel_order(self, symbol: str, order_id: int) -> bool:
|
||
"""
|
||
取消订单
|
||
|
||
Args:
|
||
symbol: 交易对
|
||
order_id: 订单ID
|
||
|
||
Returns:
|
||
是否成功
|
||
"""
|
||
try:
|
||
await self.client.futures_cancel_order(symbol=symbol, orderId=order_id)
|
||
logger.info(f"取消订单成功: {symbol} {order_id}")
|
||
return True
|
||
except BinanceAPIException as e:
|
||
logger.error(f"取消订单失败: {e}")
|
||
return False
|
||
|
||
async def set_leverage(self, symbol: str, leverage: int = 10) -> bool:
|
||
"""
|
||
设置杠杆倍数
|
||
如果设置失败（比如超过交易对支持的最大杠杆），会自动降低杠杆重试
|
||
|
||
Args:
|
||
symbol: 交易对
|
||
leverage: 杠杆倍数
|
||
|
||
Returns:
|
||
是否成功
|
||
"""
|
||
try:
|
||
await self.client.futures_change_leverage(symbol=symbol, leverage=leverage)
|
||
logger.info(f"设置杠杆成功: {symbol} {leverage}x")
|
||
return True
|
||
except BinanceAPIException as e:
|
||
error_msg = str(e).lower()
|
||
# 如果错误信息包含杠杆相关的内容，尝试降低杠杆
|
||
if 'leverage' in error_msg or 'invalid' in error_msg:
|
||
# 尝试降低杠杆（每次降低5倍，最低到1倍）
|
||
for reduced_leverage in range(leverage - 5, 0, -5):
|
||
if reduced_leverage < 1:
|
||
reduced_leverage = 1
|
||
try:
|
||
await self.client.futures_change_leverage(symbol=symbol, leverage=reduced_leverage)
|
||
logger.warning(
|
||
f"{symbol} 杠杆 {leverage}x 设置失败，已自动降低为 {reduced_leverage}x "
|
||
f"(原因: {e})"
|
||
)
|
||
return True
|
||
except BinanceAPIException:
|
||
if reduced_leverage <= 1:
|
||
break
|
||
continue
|
||
logger.error(f"设置杠杆失败: {symbol} {leverage}x, 错误: {e}")
|
||
return False
|
||
|
||
def get_realtime_price(self, symbol: str) -> Optional[float]:
|
||
"""
|
||
获取实时价格（从缓存）
|
||
|
||
Args:
|
||
symbol: 交易对
|
||
|
||
Returns:
|
||
实时价格，如果缓存中有则返回，否则返回None
|
||
"""
|
||
import time
|
||
if symbol in self._price_cache:
|
||
cached = self._price_cache[symbol]
|
||
cache_age = time.time() - cached.get('timestamp', 0)
|
||
if cache_age < self._price_cache_ttl:
|
||
return cached.get('price')
|
||
return None |