- Fixed non-initialized availableLiquidity on validateBorrow()

aave · Oct 28, 2020 · 3f714b9 · 3f714b9
1 parent 1cd7f2d
commit 3f714b9
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diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol
@@ -844,6 +844,7 @@ contract LendingPool is VersionedInitializable, ILendingPool, LendingPoolStorage
     );
 
     ValidationLogic.validateBorrow(
+      vars.asset,
       reserve,
       vars.onBehalfOf,
       vars.amount,

diff --git a/contracts/libraries/logic/ValidationLogic.sol b/contracts/libraries/logic/ValidationLogic.sol
@@ -99,6 +99,7 @@ library ValidationLogic {
 
   /**
    * @dev validates a borrow.
+   * @param asset the address of the asset to borrow
    * @param reserve the reserve state from which the user is borrowing
    * @param userAddress the address of the user
    * @param amount the amount to be borrowed
@@ -112,6 +113,7 @@ library ValidationLogic {
    */
 
   function validateBorrow(
+    address asset,
     ReserveLogic.ReserveData storage reserve,
     address userAddress,
     uint256 amount,
@@ -198,6 +200,8 @@ library ValidationLogic {
         Errors.CALLATERAL_SAME_AS_BORROWING_CURRENCY
       );
 
+      vars.availableLiquidity = IERC20(asset).balanceOf(reserve.aTokenAddress);
+
       //calculate the max available loan size in stable rate mode as a percentage of the
       //available liquidity
       uint256 maxLoanSizeStable = vars.availableLiquidity.percentMul(maxStableLoanPercent);