{
    "Function": "_depositERC20",
    "File": "contracts/yield/YearnYield.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": [
        "IERC20",
        "SafeMath",
        "IyVault",
        "IERC20",
        "IERC20",
        "IERC20"
    ],
    "Internal Calls": [],
    "Library Calls": [
        "sub"
    ],
    "Low-Level Calls": [],
    "Code": "function _depositERC20(\n        address asset,\n        address vault,\n        uint256 amount\n    ) internal returns (uint256 sharesReceived) {\n        uint256 sharesBefore = IERC20(vault).balanceOf(address(this));\n\n        //lock collateral in vault\n        IERC20(asset).approve(vault, 0);\n        IERC20(asset).approve(vault, amount);\n        IyVault(vault).deposit(amount);\n\n        sharesReceived = IERC20(vault).balanceOf(address(this)).sub(sharesBefore);\n    }"
}