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2025-07-17 4f16bf0f1686e2a15fcbc43e17c727c81550609f
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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