{
    "Function": "stake",
    "File": "contracts/UpsideStaking.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts/access/Ownable.sol",
        "node_modules/@openzeppelin/contracts/utils/Context.sol"
    ],
    "High-Level Calls": [
        "SafeERC20"
    ],
    "Internal Calls": [
        "revert TokenNotWhitelisted()",
        "_updateRewards"
    ],
    "Library Calls": [
        "safeTransferFrom"
    ],
    "Low-Level Calls": [],
    "Code": "function stake(address _metaCoinAddress, uint256 _amount) external {\n        if (!whitelistedStakingTokens[_metaCoinAddress]) revert TokenNotWhitelisted();\n\n        _updateRewards(_metaCoinAddress, msg.sender);\n        balanceOf[_metaCoinAddress][msg.sender] += _amount;\n        totalSupplies[_metaCoinAddress] += _amount;\n\n        emit Staked(_metaCoinAddress, _amount);\n        IERC20Metadata(_metaCoinAddress).safeTransferFrom(msg.sender, address(this), _amount);\n    }"
}