refactor: slot epoch int return type (#168)

Author: alexbarnsley

crypto/utils/slot.py

@@ -4,22 +4,20 @@
 
 class Slot:
     @staticmethod
-    def time():
+    def time() -> int:
         """Get the time difference between now and network start.
 
         Returns:
             int: difference in seconds
         """
         now = datetime.now(timezone.utc)
 
-        seconds = int((now - Slot.epoch()).total_seconds())
-
-        return seconds
+        return int(now.timestamp() - Slot.epoch())
 
     @staticmethod
-    def epoch():
+    def epoch() -> int:
         epoch_str = Network.get_network().epoch()
         if epoch_str.endswith("Z"):
             epoch_str = epoch_str[:-1] + "+00:00"
 
-        return datetime.fromisoformat(epoch_str)
+        return int(datetime.fromisoformat(epoch_str).timestamp())

tests/utils/test_slot.py

@@ -1,10 +1,8 @@
-from datetime import datetime
-
 from crypto.utils.slot import Slot
 
 def test_get_epoch():
     result = Slot.epoch()
-    assert isinstance(result, datetime)
+    assert isinstance(result, int)
 
 def test_get_time():
     result = Slot.time()