{
    "Function": "withdraw",
    "File": "contracts/v3/controllers/Controller.sol",
    "Parent Contracts": [
        "contracts/v3/interfaces/IController.sol"
    ],
    "High-Level Calls": [
        "SafeERC20",
        "IStrategy",
        "IERC20",
        "SafeMath",
        "IConverter",
        "IStrategy",
        "SafeERC20"
    ],
    "Internal Calls": [
        "updateBalance",
        "getBestStrategyWithdraw",
        "onlyVault"
    ],
    "Library Calls": [
        "sub",
        "safeTransfer",
        "safeTransfer"
    ],
    "Low-Level Calls": [],
    "Code": "function withdraw(\n        address _token,\n        uint256 _amount\n    )\n        external\n        override\n        onlyVault(_token)\n    {\n        (\n            address[] memory _strategies,\n            uint256[] memory _amounts\n        ) = getBestStrategyWithdraw(_token, _amount);\n        for (uint i = 0; i < _strategies.length; i++) {\n            // getBestStrategyWithdraw will return arrays larger than needed\n            // if this happens, simply exit the loop\n            if (_strategies[i] == address(0)) {\n                break;\n            }\n            IStrategy(_strategies[i]).withdraw(_amounts[i]);\n            updateBalance(msg.sender, _strategies[i]);\n            address _want = IStrategy(_strategies[i]).want();\n            if (_want != _token) {\n                address _converter = _vaultDetails[msg.sender].converter;\n                IERC20(_want).safeTransfer(_converter, _amounts[i]);\n                // TODO: do estimation for received\n                IConverter(_converter).convert(_want, _token, _amounts[i], 1);\n            }\n        }\n        _amount = IERC20(_token).balanceOf(address(this));\n        _vaultDetails[msg.sender].balance = _vaultDetails[msg.sender].balance.sub(_amount);\n        IERC20(_token).safeTransfer(msg.sender, _amount);\n    }"
}