1 files changed, 40 insertions, 0 deletions
diff --git a/utils/cooldowns.py b/utils/cooldowns.py
new file mode 100644
index 0000000..a1dc153
--- /dev/null
+++ b/utils/cooldowns.py
@@ -0,0 +1,40 @@
+import time
+from typing import Dict, Optional
+import config
+
+
+class CooldownManager:
+    """In-memory cooldown tracking for anti-spam."""
+
+    def __init__(self, cooldown_seconds: Optional[int] = None):
+        self._cooldowns: Dict[int, float] = {}
+        self.cooldown_seconds = cooldown_seconds or config.COMMISSION_COOLDOWN_SECONDS
+
+    def check(self, user_id: int) -> Optional[int]:
+        """
+        Check if a user is on cooldown.
+
+        Returns:
+            None if not on cooldown, otherwise seconds remaining.
+        """
+        if user_id not in self._cooldowns:
+            return None
+
+        elapsed = time.time() - self._cooldowns[user_id]
+        if elapsed >= self.cooldown_seconds:
+            del self._cooldowns[user_id]
+            return None
+
+        return int(self.cooldown_seconds - elapsed)
+
+    def set(self, user_id: int):
+        """Set cooldown for a user."""
+        self._cooldowns[user_id] = time.time()
+
+    def clear(self, user_id: int):
+        """Clear cooldown for a user."""
+        self._cooldowns.pop(user_id, None)
+
+    def is_on_cooldown(self, user_id: int) -> bool:
+        """Check if user is currently on cooldown."""
+        return self.check(user_id) is not None