fix: Remove unnecessary approval

aave · Sep 3, 2024 · b7c586f · b7c586f
1 parent 0e4d27b
commit b7c586f
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diff --git a/contracts/adapters/paraswap/BaseParaSwapBuyAdapter.sol b/contracts/adapters/paraswap/BaseParaSwapBuyAdapter.sol
@@ -76,7 +76,6 @@ abstract contract BaseParaSwapBuyAdapter is BaseParaSwapAdapter {
     uint256 balanceBeforeAssetTo = assetToSwapTo.balanceOf(address(this));
 
     address tokenTransferProxy = augustus.getTokenTransferProxy();
-    assetToSwapFrom.safeApprove(tokenTransferProxy, 0);
     assetToSwapFrom.safeApprove(tokenTransferProxy, maxAmountToSwap);
 
     if (toAmountOffset != 0) {

diff --git a/contracts/adapters/paraswap/BaseParaSwapSellAdapter.sol b/contracts/adapters/paraswap/BaseParaSwapSellAdapter.sol
@@ -98,9 +98,6 @@ abstract contract BaseParaSwapSellAdapter is BaseParaSwapAdapter {
         revert(0, returndatasize())
       }
     }
-
-    // Reset allowance
-    assetToSwapFrom.safeApprove(tokenTransferProxy, 0);
 
     require(
       assetToSwapFrom.balanceOf(address(this)) == balanceBeforeAssetFrom - amountToSwap,