From 616fe08bcea0dae438906aaff60434749ff4e375 Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Sun, 20 Oct 2019 11:29:25 +0200
Subject: [PATCH] Add subtract_start to timerange object

---
 freqtrade/configuration/timerange.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/freqtrade/configuration/timerange.py b/freqtrade/configuration/timerange.py
index fc759ab6e..527402af7 100644
--- a/freqtrade/configuration/timerange.py
+++ b/freqtrade/configuration/timerange.py
@@ -27,6 +27,10 @@ class TimeRange:
         return (self.starttype == other.starttype and self.stoptype == other.stoptype
                 and self.startts == other.startts and self.stopts == other.stopts)
 
+    def subtract_start(self, seconds) -> None:
+        if self.startts:
+            self.startts = self.startts - seconds
+
     @staticmethod
     def parse_timerange(text: Optional[str]):
         """