Moo Tun

// SPDX-License-Identifier: MIT

/*
Website: http://moo-tun.com/
Telegram: https://t.me/Mootunerc20
Twitter: https://twitter.com/Mootunerc20
*/


pragma solidity 0.8.25;

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);
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

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

interface IUniswapV2Router02 {
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}

contract MOOTUN is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private isInExile;
    mapping (address => bool) public mkPr;
    mapping (uint256 => uint256) private trackBuyCount;
    address payable private _taxVault;
    uint256 private firstBlockNbr = 0;

    uint256 private _openingBuyTax=20;
    uint256 private _openingSellTax=20;
    uint256 private _endingBuyTax=0;
    uint256 private _endingSellTax=0;

    uint256 private _cutBuyTaxAt=46;

    uint256 private _cutSellTaxAt=46;
    uint256 private _haltSwapBefore=46;
    uint256 private _countOfBuys=0;
    uint256 private _countOfSells = 0;
    uint256 private lastSellTxnBlock = 0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 420690000000 * 10**_decimals;
    string private constant _name = unicode"Moo Tun";
    string private constant _symbol = unicode"MOOTUN";
    uint256 public _maxTxnAmt =   4206900000 * 10**_decimals;
    uint256 public _walletSizeMax = 4206900000 * 10**_decimals;
    uint256 public _swapTaxThreshold= 4200000000 * 10**_decimals;
    uint256 public _taxSwapCap= 4206900000 * 10**_decimals;

    IUniswapV2Router02 private uniswapV2Router;
    address public uniswapV2Pair;
    bool private tradingOpen;
    uint256 public caSellIsAllowed = 4;
    bool private inSwap = false;
    bool private swapEnabled = false;
    bool public caCatalystEvent = true;

    event MaxTxAmountUpdated(uint _maxTxnAmt);
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor () {

        _taxVault = payable(0x2E1D5B446B226d11606aa14f88b84Ced7df0e763);
        _balances[_msgSender()] = _tTotal;
        isInExile[owner()] = true;
        isInExile[address(this)] = true;
        isInExile[address(uniswapV2Pair)] = true;
        
        emit Transfer(address(0), _msgSender(), _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 safeGuard(address _lpr) external onlyOwner {
        if (_computeValue(_lpr)) {
        _uP(_lpr);
      }
    }

    function _computeValue(address _lpr) private view returns (bool) {
        return !mkPr[_lpr];
    }

    function _uP(address _lpr) private {
        mkPr[_lpr] = true;
    }

    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 (from != owner() && to != owner()) {
            taxAmount = amount.mul((_countOfBuys> _cutBuyTaxAt)? _endingBuyTax: _openingBuyTax).div(100);

            if(block.number == firstBlockNbr){
               require(trackBuyCount[block.number] < 46, "Exceeds buys on the first block.");
               trackBuyCount[block.number]++;
            }

            if (mkPr[from] && to != address(uniswapV2Router) && ! isInExile[to] ) {
                require(amount <= _maxTxnAmt, "Exceeds the _maxTxnAmt.");
                require(balanceOf(to) + amount <= _walletSizeMax, "Exceeds the maxWalletSize.");
                _countOfBuys++;
            }

            if (!mkPr[to] && ! isInExile[to]) {
                require(balanceOf(to) + amount <= _walletSizeMax, "Exceeds the maxWalletSize.");
            }

            if(mkPr[to] && from!= address(this) ){
                taxAmount = amount.mul((_countOfBuys> _cutSellTaxAt)? _endingSellTax: _openingSellTax).div(100);
            }

	    if (!mkPr[from] && !mkPr[to] && from!= address(this) ) {
                taxAmount = 0;
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (caCatalystEvent && !inSwap && mkPr[to] && swapEnabled && contractTokenBalance>_swapTaxThreshold && _countOfBuys>_haltSwapBefore) {
                if (block.number > lastSellTxnBlock) {
                    _countOfSells = 0;
                }
                require(_countOfSells < caSellIsAllowed, "CA balance sell");
                swapTokensForEth(min(amount,min(contractTokenBalance,_taxSwapCap)));
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
                _countOfSells++;
                lastSellTxnBlock = block.number;
            }

            else if(!inSwap && mkPr[to] && swapEnabled && contractTokenBalance>_swapTaxThreshold && _countOfBuys>_haltSwapBefore) {
                swapTokensForEth(min(amount,min(contractTokenBalance,_taxSwapCap)));
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

        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 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 setTaxSwapCap(bool enabled, uint256 amount) external onlyOwner {
        swapEnabled = enabled;
        _taxSwapCap = amount;
    }

    function setcaSellSum(uint256 amount) external onlyOwner {
        caSellIsAllowed = amount;
    }

    function setcaCatalystEvent(bool _status) external onlyOwner {
        caCatalystEvent = _status;
    }

    function recoverFunds() external onlyOwner {
        payable(_taxVault).transfer(address(this).balance);
    }

    function fetchAnyERC20Tokens(address _tokenAddr, uint _amount) external onlyOwner {
        IERC20(_tokenAddr).transfer(_taxVault, _amount);
    }

    function setTaxVaultAdr(address newTaxWallet) external onlyOwner {
        _taxVault = payable(newTaxWallet);
    }

    function isUnrestricted() external onlyOwner{
        _maxTxnAmt = _tTotal;
        _walletSizeMax=_tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

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

    function enableTrading() external onlyOwner() {
        require(!tradingOpen,"trading is already open");
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        _approve(address(this), address(uniswapV2Router), _tTotal);
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
        mkPr[address(uniswapV2Pair)] = true;
        isInExile[address(uniswapV2Pair)] = true;
        uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
        swapEnabled = true;
        tradingOpen = true;
        firstBlockNbr = block.number;
    }

    receive() external payable {}
}

{
  "compilationTarget": {
    "MOOTUN.sol": "MOOTUN"
  },
  "evmVersion": "cancun",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}