From 0fb7617a785b765415cb7f43448c9b8ea905963f Mon Sep 17 00:00:00 2001
From: Remco Bloemen <remco@wicked.ventures>
Date: Thu, 23 Aug 2018 15:18:45 -0700
Subject: Fix incorect modulus

---
 packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'packages/contracts')

diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol
index f4e2f1958..1c14dbcae 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol
@@ -141,10 +141,8 @@ contract LibMath is
             return false;
         }
         uint256 remainder = mulmod(target, numerator, denominator);
-        if (remainder == 0) {
-            return false;
-        }
-        remainder = safeSub(denominator, remainder);
+        // TODO: safeMod
+        remainder = safeSub(denominator, remainder) % denominator;
         isError = safeMul(1000, remainder) >= safeMul(numerator, target);
         return isError;
     }
-- 
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