Cryo Explorer Ethereum Mainnet

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//
//                        Workloop AI

// Discord: https://discord.gg/WorkloopAI
// X: https://x.com/WorkloopAI
// Website: https://www.workloopai.com

// SPDX-License-Identifier: UNLICENSE

pragma solidity 0.8.30;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}

interface IERC20 {
    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function transfer(address recipient, uint256 amount) external returns (bool);

    function allowance(address owner, address spender) external view returns (uint256);

    function approve(address spender, uint256 amount) external returns (bool);

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;
        return c;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        return c;
    }
}

contract Ownable is Context {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor() {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    function owner() public view returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }
}

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

interface IUniswapV2Pair {
    function getReserves()
        external
        view
        returns (
            uint112 reserve0,
            uint112 reserve1,
            uint32 blockTimestampLast
        );

    function token0() external view returns (address);

    function token1() external view returns (address);

    function sync() external;
}

interface IUniswapV2Router02 {
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;

    function factory() external pure returns (address);

    function WETH() external pure returns (address);

    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (
            uint256 amountToken,
            uint256 amountETH,
            uint256 liquidity
        );

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    )
        external
        returns (
            uint256 amountA,
            uint256 amountB,
            uint256 liquidity
        );

    function getAmountIn(
        uint256 amountOut,
        uint256 reserveIn,
        uint256 reserveOut
    ) external pure returns (uint256 amountIn);
}

interface IWETH {
    function deposit() external payable;

    function withdraw(uint256 wad) external;

    function balanceOf(address account) external view returns (uint256);

    function transfer(address recipient, uint256 amount) external returns (bool);

    function approve(address spender, uint256 amount) external returns (bool);

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    function totalSupply() external view returns (uint256);

    function allowance(address owner, address spender) external view returns (uint256);
}

contract WorkLoopAI is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) public _isExcludedFromFee;
    address payable private _taxWallet;

    uint256 public buyTax = 45;
    uint256 public sellTax = 45;
    uint256 public sniperTax = 80;
    uint256 public transferTax = 10;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 100_000_000 * 10 ** _decimals;
    string private constant _name = unicode"Workloop AI";
    string private constant _symbol = unicode"LOOP";
    uint256 public _maxWalletSize = (_tTotal * 5) / 10000; // 0.05%
    uint256 public _taxSwapUpperLimit = (_tTotal * 1) / 1000; // 0.1%
    uint256 public _taxSwapLowerLimit = (_tTotal * 5) / 10000; // 0.05%
    uint256 public _taxETHSwapLimit = 1e18; // 1 eth = 1000000000000000000

    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool public tradingEnabled;
    bool private inSwap = false;
    bool private swapEnabled = false;
    uint256 private sellCount;
    uint256 private buyCount;
    uint256 private lastBuyBlock;
    uint256 private lastSellBlock;
    uint256 private launchTimestamp;
    uint256 private launchBlock;
    uint256 private maxBuyCountPerBlock = 25;
    uint256 private taxSellPerBlockLimit = 2;
    bool public allowOnlyTxOrigin = true;
    bool private isToken0;

    modifier lockTheSwap() {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor() {
        _taxWallet = payable(_msgSender());

        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[_taxWallet] = true;
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        _isExcludedFromFee[address(uniswapV2Router)] = true;

        _approve(msg.sender, address(this), _tTotal);
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
            address(this),
            uniswapV2Router.WETH()
        );
        isToken0 = IUniswapV2Pair(uniswapV2Pair).token0() == address(this);

        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint256).max);
        _balances[owner()] = _tTotal;
        emit Transfer(address(0), owner(), _tTotal);
    }

    function name() public pure returns (string memory) {
        return _name;
    }

    function symbol() public pure returns (string memory) {
        return _symbol;
    }

    function decimals() public pure returns (uint8) {
        return _decimals;
    }

    function totalSupply() public pure override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount) public override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(
            sender,
            _msgSender(),
            _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")
        );
        return true;
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) private {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _transfer(
        address from,
        address to,
        uint256 amount
    ) private {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        uint256 taxAmount = 0;
        if (!_isExcludedFromFee[to] && !_isExcludedFromFee[from]) {
            require(tradingEnabled);
            taxAmount = (amount * transferTax) / 100;

            // if sell
            if (to == uniswapV2Pair) {
                taxAmount = (amount * sellTax) / 100;
                if (block.number == launchBlock) {
                    taxAmount = amount * sniperTax / 100;
                }
                uint256 contractTokenBalance = balanceOf(address(this));
                if (
                    !inSwap &&
                    swapEnabled &&
                    launchTimestamp + 180 <= block.timestamp &&
                    contractTokenBalance >= _taxSwapLowerLimit
                ) {
                    if (block.number > lastSellBlock) {
                        sellCount = 0;
                    }
                    if (sellCount < taxSellPerBlockLimit) {
                        (uint112 r0, uint112 r1, ) = IUniswapV2Pair(uniswapV2Pair).getReserves();
                        uint112 ethReserves = isToken0 ? r1 : r0;
                        uint112 tokenReserves = isToken0 ? r0 : r1;
                        uint256 maxTokenSwapByEthAmount = uniswapV2Router.getAmountIn(
                            _taxETHSwapLimit,
                            tokenReserves,
                            ethReserves
                        );
                        swapTokensForEth(
                            min(maxTokenSwapByEthAmount, min(contractTokenBalance, _taxSwapUpperLimit))
                        );
                        uint256 contractETHBalance = address(this).balance;
                        if (contractETHBalance > 0) {
                            sendETHToFee(address(this).balance);
                        }
                        sellCount++;
                        lastSellBlock = block.number;
                    }
                }
            } else {
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
            }

            // if buy
            if (from == uniswapV2Pair) {
                taxAmount = (amount * buyTax) / 100;
                if (block.number == launchBlock) {
                    taxAmount = amount * sniperTax / 100;
                }
                require(!allowOnlyTxOrigin || tx.origin == to);
                if (block.number > lastBuyBlock) {
                    buyCount = 0;
                }
                buyCount++;
                lastBuyBlock = block.number;
                require(buyCount < maxBuyCountPerBlock, "Exceeded maximum buycount per block.");
            }
        }

        if (taxAmount > 0) {
            _balances[address(this)] = _balances[address(this)].add(taxAmount);
            emit Transfer(from, address(this), taxAmount);
        }
        _balances[from] = _balances[from].sub(amount);
        _balances[to] = _balances[to].add(amount.sub(taxAmount));
        emit Transfer(from, to, amount.sub(taxAmount));
    }

    function enableTrading() external onlyOwner {
        require(!tradingEnabled, "Can call only once.");
        launchTimestamp = block.timestamp;
        launchBlock = block.number;
        tradingEnabled = true;
        swapEnabled = true;
    }

    function min(uint256 a, uint256 b) private pure returns (uint256) {
        return (a > b) ? b : a;
    }

    function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );
    }

    function updateTransferTax(uint256 newTax) external onlyOwner {
        transferTax = newTax;
    }

    // lift against buying to multiple wallets from a contract
    function setAllowOnlyTxOrigin(bool value) external onlyOwner {
        allowOnlyTxOrigin = value;
    }

    function setTaxSwapLowerLimit(uint256 newLimit) external onlyOwner {
        _taxSwapLowerLimit = newLimit;
    }

    function setTaxSwapUpperLimit(uint256 newLimit) external onlyOwner {
        _taxSwapUpperLimit = newLimit;
    }

    function setTaxSellCountLimit(uint256 newNumber) external onlyOwner {
        taxSellPerBlockLimit = newNumber;
    }

    function setMaxBuyCountPerBlock(uint256 newNumber) external onlyOwner {
        maxBuyCountPerBlock = newNumber;
    }

    function setMaxWalletPercent(uint256 newPercent) external onlyOwner {
        // 0.01% = 1
        // 1%    = 100
        // 100%  = 100_000
        _maxWalletSize = (totalSupply() / 10000) * newPercent;
    }

    function setTaxETHSwapLimit(uint256 newLimit) external onlyOwner {
        _taxETHSwapLimit = newLimit;
    }

    function setEverythingToNormal() external onlyOwner {
        _maxWalletSize = _tTotal;
        buyTax = 4;
        sellTax = 4;
        transferTax = 0;
        maxBuyCountPerBlock = type(uint256).max;
        allowOnlyTxOrigin = false;
        _taxSwapLowerLimit = totalSupply() / 10_000; // 0.01% default value
    }

    function sendETHToFee(uint256 amount) private {
        _taxWallet.transfer(amount);
    }

    function setFees(uint256 _newBuyFee, uint256 _newSellFee) external onlyOwner {
        buyTax = _newBuyFee;
        sellTax = _newSellFee;
    }

    receive() external payable {}

    function saveERC20(address _address) external onlyOwner {
        uint256 _amount = IERC20(_address).balanceOf(address(this));
        IERC20(_address).transfer(_taxWallet, _amount);
    }

    function saveETH() external onlyOwner {
        payable(msg.sender).transfer(address(this).balance);
    }

    function setTaxWallet(address newWallet) external onlyOwner {
        _taxWallet = payable(newWallet);
    }

    function excludeFromFee(address account) external onlyOwner {
        _isExcludedFromFee[account] = true;
    }

    function includeFromFee(address account) external onlyOwner {
        _isExcludedFromFee[account] = false;
    }

    // manual unclog
    function manualSwap() external onlyOwner {
        uint256 contractTokenBalance = balanceOf(address(this));
        (uint112 r0, uint112 r1, ) = IUniswapV2Pair(uniswapV2Pair).getReserves();
        uint112 ethReserves = isToken0 ? r1 : r0;
        uint112 tokenReserves = isToken0 ? r0 : r1;
        uint256 maxTokenSwapByEthAmount = uniswapV2Router.getAmountIn(
            _taxETHSwapLimit,
            tokenReserves,
            ethReserves
        );
        swapTokensForEth(min(maxTokenSwapByEthAmount, min(contractTokenBalance, _taxSwapUpperLimit)));
        uint256 contractETHBalance = address(this).balance;
        if (contractETHBalance > 0) {
            sendETHToFee(address(this).balance);
        }
    }

    function addLiquidity(uint256 tokenDesired, uint256 ethDesired) external payable onlyOwner {
        require(msg.value >= ethDesired, "Send enough ETH for LP");
        (uint112 reserve0, uint112 reserve1, ) = IUniswapV2Pair(uniswapV2Pair).getReserves();
        uint256 wethReserve = isToken0 ? reserve1 : reserve0;
        IWETH weth = IWETH(uniswapV2Router.WETH());
        weth.deposit{value: msg.value}();
        uint256 alreadyAddedEth;
        uint256 alreadyAddedTokens;
        if (wethReserve > 0) {
            bool isEthReserveHigher = ethDesired > tokenDesired;
            (uint256 higherReserve, uint256 lowerReserve) = isEthReserveHigher
                ? (ethDesired, tokenDesired)
                : (tokenDesired, ethDesired);
            uint256 ratioBaseUnit = 100_000;
            uint256 ratio = (higherReserve * ratioBaseUnit) / lowerReserve;
            if (isEthReserveHigher) {
                // if they sent more eth than our base unit
                if (wethReserve > ratio) {
                    uint256 tokenTransferNeeded = wethReserve / ratio;
                    IERC20(address(this)).transferFrom(msg.sender, uniswapV2Pair, tokenTransferNeeded);
                    alreadyAddedEth = wethReserve;
                    alreadyAddedTokens = tokenTransferNeeded;
                } else {
                    weth.transfer(uniswapV2Pair, ratio - wethReserve);
                    IERC20(address(this)).transferFrom(msg.sender, uniswapV2Pair, ratioBaseUnit);
                    alreadyAddedEth = ratio;
                    alreadyAddedTokens = ratioBaseUnit;
                }
            } else {
                // if they sent more eth than our base unit
                if (wethReserve > ratioBaseUnit) {
                    uint256 tokenTransferNeeded = wethReserve * ratio;
                    IERC20(address(this)).transferFrom(msg.sender, uniswapV2Pair, tokenTransferNeeded);
                    alreadyAddedEth = wethReserve;
                    alreadyAddedTokens = tokenTransferNeeded;
                } else {
                    IERC20(address(this)).transferFrom(msg.sender, uniswapV2Pair, ratio - wethReserve);
                    weth.transfer(uniswapV2Pair, ratioBaseUnit);
                    alreadyAddedEth = ratioBaseUnit;
                    alreadyAddedTokens = ratio;
                }
            }
            IUniswapV2Pair(uniswapV2Pair).sync();
            // lp is fixed to our desired ratio now
        }
        IERC20(address(this)).transferFrom(msg.sender, address(this), tokenDesired);
        weth.approve(address(uniswapV2Router), msg.value);
        _approve(address(this), address(uniswapV2Router), tokenDesired);
        uniswapV2Router.addLiquidity(
            address(weth),
            address(this),
            ethDesired - alreadyAddedEth,
            tokenDesired - alreadyAddedTokens,
            0,
            0,
            msg.sender,
            block.timestamp
        );

        // send back reamining eth, if any
        uint256 balanceLeft = weth.balanceOf(address(this));
        if (balanceLeft > 0) {
            weth.withdraw(balanceLeft);
            payable(msg.sender).transfer(balanceLeft);
        }
    }
}