Submission Details
Severity:
`KittyVault::purrrCollateralToAave` function ignores return value by IERC20(i_token).approve(address(i_aavePool),_ameowntToSupply), as a result the computation has no effect.
Summary
KittyVault::purrrCollateralToAave function implements the supply of collateral to Aave pool to earn interest. But KittyVault::purrrCollateralToAave function ignores return value by IERC20(i_token).approve(address(i_aavePool),_ameowntToSupply), this makes the computation to have no effect, therefore there would not be supply of collateral to Aave pool to earn interest.
Vulnerability Details
function purrrCollateralToAave(uint256 _ameowntToSupply) external onlyMeowntainer {
totalMeowllateralInVault -= _ameowntToSupply;
@> IERC20(i_token).approve(address(i_aavePool), _ameowntToSupply);
i_aavePool.supply( { asset: i_token, amount: _ameowntToSupply, onBehalfOf: address(this), referralCode: 0 } );
}
Impact
The protocol would no be able to implement the supply of collateral to Aave pool to earn interest.
Tools Used
manual review
Recommendations
Ensure that the return values of the KittyVault::purrrCollateralToAave function are used.
Rewards breakdown
nSLOC
224This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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