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2025-04-18 2cd01c4ff2fd4ba417a775d39c0c89a1a12590ff
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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