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(-)
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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