{
    "Function": "earn",
    "File": "contracts/v3/controllers/Controller.sol",
    "Parent Contracts": [
        "contracts/v3/interfaces/IController.sol"
    ],
    "High-Level Calls": [
        "SafeERC20",
        "SafeERC20",
        "IStrategy",
        "IConverter",
        "SafeMath",
        "SafeERC20",
        "IStrategy"
    ],
    "Internal Calls": [
        "notHalted",
        "onlyVault",
        "updateBalance",
        "onlyStrategy"
    ],
    "Library Calls": [
        "safeTransfer",
        "safeTransfer",
        "add",
        "safeTransfer"
    ],
    "Low-Level Calls": [],
    "Code": "function earn(\n        address _strategy,\n        address _token,\n        uint256 _amount\n    )\n        external\n        override\n        notHalted\n        onlyStrategy(_strategy)\n        onlyVault()\n    {\n        // get the want token of the strategy\n        address _want = IStrategy(_strategy).want();\n        if (_want != _token) {\n            IConverter _converter = IConverter(_vaultDetails[msg.sender].converter);\n            IERC20(_token).safeTransfer(address(_converter), _amount);\n            // TODO: do estimation for received\n            _amount = _converter.convert(_token, _want, _amount, 1);\n            IERC20(_want).safeTransfer(_strategy, _amount);\n        } else {\n            IERC20(_token).safeTransfer(_strategy, _amount);\n        }\n        _vaultDetails[msg.sender].balance = _vaultDetails[msg.sender].balance.add(_amount);\n        // call the strategy deposit function\n        IStrategy(_strategy).deposit();\n        updateBalance(msg.sender, _strategy);\n    }"
}