From f0a5b95ec032d933f15b2589a53c741aa8bd834b Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Mon, 24 Nov 2025 07:05:49 +0100
Subject: [PATCH] feat: add FtTTLCache to avoid mocking issues

overrides timer in a central location.
---
 freqtrade/util/__init__.py    |  2 ++
 freqtrade/util/ft_ttlcache.py | 12 ++++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 freqtrade/util/ft_ttlcache.py

diff --git a/freqtrade/util/__init__.py b/freqtrade/util/__init__.py
index de8923389..06deb3ce0 100644
--- a/freqtrade/util/__init__.py
+++ b/freqtrade/util/__init__.py
@@ -22,6 +22,7 @@ from freqtrade.util.formatters import (
     round_value,
 )
 from freqtrade.util.ft_precise import FtPrecise
+from freqtrade.util.ft_ttlcache import FtTTLCache
 from freqtrade.util.measure_time import MeasureTime
 from freqtrade.util.periodic_cache import PeriodicCache
 from freqtrade.util.progress_tracker import (  # noqa F401
@@ -59,4 +60,5 @@ __all__ = [
     "print_rich_table",
     "print_df_rich_table",
     "CustomProgress",
+    "FtTTLCache",
 ]
diff --git a/freqtrade/util/ft_ttlcache.py b/freqtrade/util/ft_ttlcache.py
new file mode 100644
index 000000000..410184477
--- /dev/null
+++ b/freqtrade/util/ft_ttlcache.py
@@ -0,0 +1,12 @@
+import time
+
+from cachetools import TTLCache
+
+
+class FtTTLCache(TTLCache):
+    """
+    A TTLCache with a different default timer to allow for easier mocking in tests.
+    """
+
+    def __init__(self, maxsize, ttl, timer=time.time, getsizeof=None):
+        super().__init__(maxsize=maxsize, ttl=ttl, timer=timer, getsizeof=getsizeof)