From 45f47bc3fcb01cb049cfe83879ce1b57cdf1ecdd Mon Sep 17 00:00:00 2001
From: jesopo
Date: Fri, 25 Jan 2019 16:04:10 +0000
Subject: Prevent users partaking in the lottery if doing so would put their
 coin total below the coin redemption amount (coins.py)

---
 modules/coins.py | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'modules')

diff --git a/modules/coins.py b/modules/coins.py
index b02c32fc..b805831c 100644
--- a/modules/coins.py
+++ b/modules/coins.py
@@ -469,9 +469,17 @@ class Module(ModuleManager.BaseModule):
 
         user_coins = self._get_user_coins(event["user"])
         coin_amount = decimal.Decimal(LOTTERY_BUYIN)*amount
+        new_user_coins = user_coins-coin_amount
+        redeem_amount = self._redeem_amount(event["server"])
+
         if coin_amount > user_coins:
             raise utils.EventError("%s: You don't have enough coins" %
                 event["user"].nickname)
+        elif new_user_coins < redeem_amount:
+            raise utils.EventError(
+                "%s: you can't play the lottery if it puts your total coins "
+                "below %s" % (event["user"].nickname,
+                self._coin_str(redeem_amount)))
 
         self._take(event["server"], event["user"], coin_amount)
 
-- 
cgit v1.3.1-10-gc9f91