From e4e449859222ac38eaf4b44bd20b2ea9c0265a3a Mon Sep 17 00:00:00 2001
From: chef-burger <137024020+chefburger@users.noreply.github.com>
Date: Fri, 8 Nov 2024 10:33:30 +0800
Subject: [PATCH] optimization: [hexen-s8] added uncheck for
 binHelper#getSharesAndEffectiveAmountsIn (#208)

---
 .forge-snapshots/BinPoolManagerBytecodeSize.snap | 2 +-
 src/pool-bin/libraries/BinHelper.sol             | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/.forge-snapshots/BinPoolManagerBytecodeSize.snap b/.forge-snapshots/BinPoolManagerBytecodeSize.snap
index 1eaaa9c3..c0501746 100644
--- a/.forge-snapshots/BinPoolManagerBytecodeSize.snap
+++ b/.forge-snapshots/BinPoolManagerBytecodeSize.snap
@@ -1 +1 @@
-23295
\ No newline at end of file
+23287
\ No newline at end of file
diff --git a/src/pool-bin/libraries/BinHelper.sol b/src/pool-bin/libraries/BinHelper.sol
index c2856d00..651f6b9b 100644
--- a/src/pool-bin/libraries/BinHelper.sol
+++ b/src/pool-bin/libraries/BinHelper.sol
@@ -86,7 +86,9 @@ library BinHelper {
                 uint256 deltaY = deltaLiquidity >> Constants.SCALE_OFFSET;
                 deltaY = deltaY > y ? y : deltaY;
 
-                y -= deltaY;
+                unchecked {
+                    y -= deltaY;
+                }
                 deltaLiquidity -= deltaY << Constants.SCALE_OFFSET;
             }
 
@@ -94,7 +96,9 @@ library BinHelper {
                 uint256 deltaX = deltaLiquidity / price;
                 deltaX = deltaX > x ? x : deltaX;
 
-                x -= deltaX;
+                unchecked {
+                    x -= deltaX;
+                }
             }
 
             amountsIn = uint128(x).encode(uint128(y));