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2025-07-17 634f751e97ac30fe4d99a9982fee91165f437a8c
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"""
数据回调全局变量
"""
 
# L2交易信号回调
from l2.place_order_single_data_manager import L2TradeSingleCallback
 
l2_trade_single_callback:L2TradeSingleCallback = None