{
    "Function": "stakeShares",
    "File": "contracts/legacy/MetaVault.sol",
    "Parent Contracts": [
        "contracts/legacy/IMetaVault.sol",
        "node_modules/@openzeppelin/contracts/token/ERC20/ERC20.sol",
        "node_modules/@openzeppelin/contracts/token/ERC20/IERC20.sol",
        "node_modules/@openzeppelin/contracts/GSN/Context.sol"
    ],
    "High-Level Calls": [
        "SafeMath",
        "IERC20"
    ],
    "Internal Calls": [
        "balanceOf",
        "balanceOf",
        "_stakeShares"
    ],
    "Library Calls": [
        "sub"
    ],
    "Low-Level Calls": [],
    "Code": "function stakeShares(uint _shares) external {\n        uint _before = balanceOf(address(this));\n        IERC20(address(this)).transferFrom(msg.sender, address(this), _shares);\n        uint _after = balanceOf(address(this));\n        _shares = _after.sub(_before);\n        // Additional check for deflationary tokens\n        _stakeShares(_shares);\n    }"
}