From 7397059481b1ad51a8d6876f902ac29fcbfdbfa7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kuba=20P=C5=82askonka?= <kuba@odra.dev>
Date: Mon, 6 May 2024 15:54:34 +0200
Subject: [PATCH] Fix for HAL-03 issue. Now burning more reputation that there
 is balance will cause a revert.

---
 dao/src/core_contracts/reputation/balances.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dao/src/core_contracts/reputation/balances.rs b/dao/src/core_contracts/reputation/balances.rs
index 8a4b1a79..e9257668 100644
--- a/dao/src/core_contracts/reputation/balances.rs
+++ b/dao/src/core_contracts/reputation/balances.rs
@@ -155,7 +155,9 @@ impl BalanceStorage {
 
     fn dec_balance(&mut self, owner: &Address, amount: Balance) {
         let balance = self.balances.get(owner).unwrap_or_default();
-        let new_balance = balance.saturating_sub(amount);
+        let new_balance = balance
+            .checked_sub(amount)
+            .unwrap_or_revert_with(Error::ArithmeticOverflow);
         self.set_balance(owner, new_balance);
     }
 }