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update

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aaron 2026-02-19 19:55:27 +08:00
parent 7e7ce7ecf4
commit 9cd5dc693c
1 changed files with 10 additions and 5 deletions
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15
backend/app/services/paper_trading_service.py
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@ -297,8 +297,11 @@ class PaperTradingService:
# 确保不超过可用空间 # 确保不超过可用空间
position_value = min(position_value, available_position_value) position_value = min(position_value, available_position_value)
# 修正浮点数精度问题，保留 2 位小数
position_value = round(position_value, 2)
# 计算对应的保证金 # 计算对应的保证金
margin = position_value / max_leverage margin = round(position_value / max_leverage, 2)
logger.info(f"动态仓位计算: {position_size} | 可用空间: ${available_position_value:,.0f} | " logger.info(f"动态仓位计算: {position_size} | 可用空间: ${available_position_value:,.0f} | "
f"目标仓位: ${position_value:,.0f} | 保证金: ${margin:,.0f}") f"目标仓位: ${position_value:,.0f} | 保证金: ${margin:,.0f}")
@ -521,7 +524,9 @@ class PaperTradingService:
else: else:
pnl_percent = ((db_order.filled_price - exit_price) / db_order.filled_price) * 100 pnl_percent = ((db_order.filled_price - exit_price) / db_order.filled_price) * 100
pnl_amount = db_order.quantity * pnl_percent / 100 # 修正浮点数精度，先四舍五入百分比
pnl_percent = round(pnl_percent, 4)
pnl_amount = round(db_order.quantity * pnl_percent / 100, 2)
# 计算持仓时间 # 计算持仓时间
hold_duration = datetime.utcnow() - db_order.opened_at if db_order.opened_at else timedelta(0) hold_duration = datetime.utcnow() - db_order.opened_at if db_order.opened_at else timedelta(0)
@ -1371,9 +1376,9 @@ class PaperTradingService:
if close_percent is None or close_percent <= 0 or close_percent > 100: if close_percent is None or close_percent <= 0 or close_percent > 100:
return {'success': False, 'error': f'无效的平仓比例: {close_percent}'} return {'success': False, 'error': f'无效的平仓比例: {close_percent}'}
# 计算平仓数量 # 计算平仓数量（修正浮点数精度）
close_quantity = order.quantity * (close_percent / 100) close_quantity = round(order.quantity * (close_percent / 100), 2)
remaining_quantity = order.quantity - close_quantity remaining_quantity = round(order.quantity - close_quantity, 2)
if remaining_quantity < 10: # 剩余数量太小，直接全部平仓 if remaining_quantity < 10: # 剩余数量太小，直接全部平仓
return self._close_order_llm(order, db, 'PARTIAL_CLOSE', '部分平仓后剩余过少，直接全部平仓') return self._close_order_llm(order, db, 'PARTIAL_CLOSE', '部分平仓后剩余过少，直接全部平仓')