fix: Remove unneededv variable in cumulateToLiqIndex

aave · Dec 22, 2021 · 75e7fdc · 75e7fdc
1 parent 6dd5210
commit 75e7fdc
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/contracts/protocol/libraries/logic/ReserveLogic.sol b/contracts/protocol/libraries/logic/ReserveLogic.sol
@@ -115,10 +115,11 @@ library ReserveLogic {
     uint256 totalLiquidity,
     uint256 amount
   ) internal returns (uint256) {
-    //next liquidity index is calculated this way: `liquidityIndex * (1 + amount / totalLiquidity)`
+    //next liquidity index is calculated this way: `((amount / totalLiquidity) + 1) * liquidityIndex`
     //division `amount / totalLiquidity` done in ray for precision
-    uint256 multiplier = amount.wadToRay().rayDiv(totalLiquidity.wadToRay()) + WadRayMath.RAY;
-    uint256 result = multiplier.rayMul(reserve.liquidityIndex);
+    uint256 result = (amount.wadToRay().rayDiv(totalLiquidity.wadToRay()) + WadRayMath.RAY).rayMul(
+      reserve.liquidityIndex
+    );
     reserve.liquidityIndex = result.toUint128();
     return result;
   }