From c05ad1c8155b15ec977305fe35b519d7c19f4f03 Mon Sep 17 00:00:00 2001
From: Daniel Von Fange <daniel@leancoder.com>
Date: Tue, 28 May 2024 18:08:09 -0400
Subject: [PATCH] Correct rounding behavior in previewWithdraw (#421)

---
 contracts/ExponentialStaking.sol | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/contracts/ExponentialStaking.sol b/contracts/ExponentialStaking.sol
index 0a5d6e3c..59fec764 100644
--- a/contracts/ExponentialStaking.sol
+++ b/contracts/ExponentialStaking.sol
@@ -265,8 +265,8 @@ contract ExponentialStaking is ERC20Votes {
         }
         uint256 fullDuration = end - block.timestamp;
         (uint256 fullPoints,) = previewPoints(1e18, fullDuration);
-        (uint256 currentPoints,) = previewPoints(1e36, 0); // 1e36 saves a later multiplication
-        return amount * ((currentPoints / fullPoints)) / 1e18;
+        (uint256 currentPoints,) = previewPoints(1e18, 0);
+        return amount * currentPoints / fullPoints;
     }
 
     /// @notice Returns the total number of lockups the user has