{
    "Function": "_depositERC20",
    "File": "contracts/yield/AaveYield.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts/utils/ReentrancyGuard.sol",
        "node_modules/@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol",
        "node_modules/@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol",
        "node_modules/@openzeppelin/contracts-upgradeable/proxy/Initializable.sol",
        "contracts/interfaces/IYield.sol"
    ],
    "High-Level Calls": [
        "AaveLendingPool",
        "IERC20",
        "ILendingPoolAddressesProvider",
        "IERC20",
        "IERC20",
        "SafeMath",
        "IERC20"
    ],
    "Internal Calls": [
        "liquidityToken"
    ],
    "Library Calls": [
        "sub"
    ],
    "Low-Level Calls": [],
    "Code": "function _depositERC20(address asset, uint256 amount) internal returns (address aToken, uint256 sharesReceived) {\n        aToken = liquidityToken(asset);\n        uint256 aTokensBefore = IERC20(aToken).balanceOf(address(this));\n\n        address lendingPool = ILendingPoolAddressesProvider(lendingPoolAddressesProvider).getLendingPool();\n\n        //approve collateral to vault\n        IERC20(asset).approve(lendingPool, 0);\n        IERC20(asset).approve(lendingPool, amount);\n\n        //lock collateral in vault\n        AaveLendingPool(lendingPool).deposit(asset, amount, address(this), referralCode);\n\n        sharesReceived = IERC20(aToken).balanceOf(address(this)).sub(aTokensBefore);\n    }"
}