{
    "Function": "swapForETH",
    "File": "contracts/RubiconRouter.sol",
    "Parent Contracts": [],
    "High-Level Calls": [
        "WETH9",
        "SafeMath",
        "SafeMath",
        "SafeMath",
        "ERC20"
    ],
    "Internal Calls": [
        "_swap",
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [
        "add",
        "mul",
        "div"
    ],
    "Low-Level Calls": [],
    "Code": "function swapForETH(\n        uint256 pay_amt,\n        uint256 buy_amt_min,\n        address[] calldata route, // First address is what is being payed, Last address is what is being bought\n        uint256 expectedMarketFeeBPS\n    ) external payable returns (uint256 fill) {\n        require(\n            route[route.length - 1] == wethAddress,\n            \"target of swap is not WETH\"\n        );\n        //Transfer tokens here first and account for fee\n        require(\n            ERC20(route[0]).transferFrom(\n                msg.sender,\n                address(this),\n                pay_amt.add(pay_amt.mul(expectedMarketFeeBPS).div(10000))\n            ),\n            \"initial ERC20 transfer failed\"\n        );\n        fill = _swap(\n            pay_amt,\n            buy_amt_min,\n            route,\n            expectedMarketFeeBPS,\n            address(this)\n        );\n\n        WETH9(wethAddress).withdraw(fill);\n        // msg.sender.transfer(fill);\n        msg.sender.transfer(fill);\n    }"
}