From a3f0308af5f3da091ab4b612f8419de0ea370f27 Mon Sep 17 00:00:00 2001
From: ross <92001561+z0r0z@users.noreply.github.com>
Date: Tue, 23 Jan 2024 14:45:04 +0000
Subject: [PATCH] =?UTF-8?q?=F0=9F=A5=A2=20Nits/fix?=
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---
 .gas-snapshot  |  2 +-
 src/Helios.sol | 17 +++++++----------
 2 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/.gas-snapshot b/.gas-snapshot
index c27caae..c183feb 100644
--- a/.gas-snapshot
+++ b/.gas-snapshot
@@ -1 +1 @@
-HeliosTest:testDeploy() (gas: 1681350)
\ No newline at end of file
+HeliosTest:testDeploy() (gas: 1701998)
\ No newline at end of file
diff --git a/src/Helios.sol b/src/Helios.sol
index 2060ea3..3392fd7 100644
--- a/src/Helios.sol
+++ b/src/Helios.sol
@@ -62,27 +62,24 @@ contract Helios is ERC6909, ReentrancyGuard {
     function mint(uint256 id, address to) public payable nonReentrant returns (uint256 liquidity) {
         Pool storage pool = pools[id];
 
-        uint112 _reserve0 = pool.reserve0;
-        uint112 _reserve1 = pool.reserve1;
-
         uint256 balance0 = pool.token0.balanceOf(address(this));
         uint256 balance1 = pool.token1.balanceOf(address(this));
+        uint256 amount0 = balance0 - pool.reserve0;
+        uint256 amount1 = balance1 - pool.reserve1;
 
-        uint256 amount0 = balance0 - _reserve0;
-        uint256 amount1 = balance1 - _reserve1;
-
-        bool feeOn = _mintFee(id, _reserve0, _reserve1);
+        bool feeOn = _mintFee(id, pool.reserve0, pool.reserve1);
         uint256 _totalSupply = totalSupply[id]; // Gas savings, must be defined here since `totalSupply` can update in `_mintFee`.
         if (_totalSupply == 0) {
             liquidity = Math2.sqrt((amount0 * amount1) - MIN_LIQ);
             _mint(address(0), id, MIN_LIQ); // Permanently lock the first `MIN_LIQ` tokens.
         } else {
-            liquidity =
-                Math2.min(amount0 * _totalSupply / _reserve0, (amount1 * _totalSupply) / _reserve1);
+            liquidity = Math2.min(
+                (amount0 * _totalSupply) / pool.reserve0, (amount1 * _totalSupply) / pool.reserve1
+            );
         }
         require(liquidity != 0, "Helios: INSUFFICIENT_LIQUIDITY_MINTED");
         _mint(to, id, liquidity);
-        _update(id, balance0, balance1, _reserve0, _reserve1);
+        _update(id, balance0, balance1, pool.reserve0, pool.reserve1);
         if (feeOn) prices[id].kLast = uint256(pool.reserve0) * (pool.reserve1); // `reserve0` and `reserve1` are up-to-date.
     }