{
    "Function": "swapExactTokensForTokensSupportingFeeOnTransferTokens",
    "File": "contracts/mocks/MockUniswapV2Router.sol",
    "Parent Contracts": [
        "contracts/interfaces/external/uniswap/IUniswapV2Router02.sol",
        "contracts/interfaces/external/uniswap/IUniswapV2Router01.sol"
    ],
    "High-Level Calls": [
        "TransferHelper",
        "UniswapV2Library",
        "SafeMath",
        "IERC20",
        "IERC20"
    ],
    "Internal Calls": [
        "ensure",
        "require(bool,string)",
        "_swapSupportingFeeOnTransferTokens"
    ],
    "Library Calls": [
        "pairFor",
        "sub",
        "safeTransferFrom"
    ],
    "Low-Level Calls": [],
    "Code": "function swapExactTokensForTokensSupportingFeeOnTransferTokens(\n        uint256 amountIn,\n        uint256 amountOutMin,\n        address[] calldata path,\n        address to,\n        uint256 deadline\n    ) external virtual override ensure(deadline) {\n        TransferHelper.safeTransferFrom(\n            path[0],\n            msg.sender,\n            UniswapV2Library.pairFor(factory, path[0], path[1]),\n            amountIn\n        );\n        uint256 balanceBefore = IERC20(path[path.length - 1]).balanceOf(to);\n        _swapSupportingFeeOnTransferTokens(path, to);\n        require(\n            IERC20(path[path.length - 1]).balanceOf(to).sub(balanceBefore) >=\n                amountOutMin,\n            \"UniswapV2Router: INSUFFICIENT_OUTPUT_AMOUNT\"\n        );\n    }"
}