add dt_ts_def helper

freqtrade/util/__init__.py

@@ -1,5 +1,6 @@
 from freqtrade.util.datetime_helpers import (dt_floor_day, dt_from_ts, dt_humanize, dt_now, dt_ts,
-                                             dt_utc, format_date, format_ms_time, shorten_date)
+                                             dt_ts_def, dt_utc, format_date, format_ms_time,
+                                             shorten_date)
 from freqtrade.util.ft_precise import FtPrecise
 from freqtrade.util.periodic_cache import PeriodicCache
 from freqtrade.util.template_renderer import render_template, render_template_with_fallback  # noqa
@@ -11,6 +12,7 @@ __all__ = [
     'dt_humanize',
     'dt_now',
     'dt_ts',
+    'dt_ts_def',
     'dt_utc',
     'format_date',
     'format_ms_time',

freqtrade/util/datetime_helpers.py

@@ -28,6 +28,16 @@ def dt_ts(dt: Optional[datetime] = None) -> int:
     return int(dt_now().timestamp() * 1000)
 
 
+def dt_ts_def(dt: Optional[datetime], default: int = 0) -> int:
+    """
+    Return dt in ms as a timestamp in UTC.
+    If dt is None, return the current datetime in UTC.
+    """
+    if dt:
+        return int(dt.timestamp() * 1000)
+    return default
+
+
 def dt_floor_day(dt: datetime) -> datetime:
     """Return the floor of the day for the given datetime."""
     return dt.replace(hour=0, minute=0, second=0, microsecond=0)

tests/utils/test_datetime_helpers.py

@@ -3,7 +3,7 @@ from datetime import datetime, timedelta, timezone
 import pytest
 import time_machine
 
-from freqtrade.util import (dt_floor_day, dt_from_ts, dt_humanize, dt_now, dt_ts, dt_utc,
+from freqtrade.util import (dt_floor_day, dt_from_ts, dt_humanize, dt_now, dt_ts, dt_ts_def, dt_utc,
                             format_date, format_ms_time, shorten_date)
 
 
@@ -22,6 +22,13 @@ def test_dt_now():
         assert dt_ts(now) == int(now.timestamp() * 1000)
 
 
+def test_dt_ts_def():
+    assert dt_ts_def(None) == 0
+    assert dt_ts_def(None, 123) == 123
+    assert dt_ts_def(datetime(2023, 5, 5, tzinfo=timezone.utc)) == 1683244800000
+    assert dt_ts_def(datetime(2023, 5, 5, tzinfo=timezone.utc), 123) == 1683244800000
+
+
 def test_dt_utc():
     assert dt_utc(2023, 5, 5) == datetime(2023, 5, 5, tzinfo=timezone.utc)
     assert dt_utc(2023, 5, 5, 0, 0, 0, 555500) == datetime(2023, 5, 5, 0, 0, 0, 555500,