[update] RenkoBarData，增加Color

vnpy/trader/object.py

@@ -6,7 +6,7 @@ from dataclasses import dataclass
 from datetime import datetime
 from logging import INFO
 
-from .constant import Direction, Exchange, Interval, Offset, Status, Product, OptionType, OrderType
+from .constant import Direction, Exchange, Interval, Offset, Status, Product, OptionType, OrderType, Color
 
 ACTIVE_STATUSES = set([Status.SUBMITTING, Status.NOTTRADED, Status.PARTTRADED, Status.CANCELLING])
 
@@ -108,6 +108,7 @@ class RenkoBarData(BarData):
     """
     Renko bar data of a certain trading period.
     """
+    color: Color = Color.EQUAL  # bar的颜色
     seconds: int = 0  # 当前Bar的秒数（针对RenkoBar)
     high_seconds: int = -1  # 当前Bar的上限秒数
     low_seconds: int = -1  # 当前bar的下限秒数
@@ -117,7 +118,6 @@ class RenkoBarData(BarData):
     low_time = None  # 最后一次进入低位区域的时间
     high_time = None  # 最后一次进入高位区域的时间
 
-
 @dataclass
 class OrderData(BaseData):
     """