FrontRunner-3

FrontRunner.sol

function ethToToken(uint256 minTokens, uint256 deadline, address payable _uni) external restricted {
    Uniswap uni = Uniswap(_uni);
    uint256 ethBalance = address(this).balance;
    uint256 tokensBoughtActual = uni.ethToTokenSwapInput.value(ethBalance)({ min_tokens: minTokens, deadline: deadline });
    emit UniswapTokenBoughtActual(tokensBoughtActual);
}

function tokenToEth(uint256 tokensToSell, uint256 minEth, uint256 deadline, address payable _uni) external restricted {
    Uniswap uni = Uniswap(_uni);
    uint256 actualEthBought = uni.tokenToEthSwapInput({ tokens_sold: tokensToSell, min_eth: minEth, deadline: deadline });
    emit UniswapEthBoughtActual(actualEthBought);
}