// SPDX-License-Identifier: MIT
/**

Join the club of World of Winners to be inspired by incredible stories of triumph, gain valuable insights from accomplished individuals, and fuel your own motivation to reach new heights of success and fulfillment.

https://t.me/WorldOfWinners_ETH

**/
pragma solidity 0.8.19;

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
    );
}

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        this;
        return msg.data;
    }
}

abstract contract Ownable is Context {
    address private _owner;
    event OwnershipTransferred(
        address indexed previousOwner,
        address indexed newOwner
    );

    constructor() {
        _owner = address(_msgSender());
        emit OwnershipTransferred(address(0), _owner);
    }

    function owner() public view virtual 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,
        uint256
    );

    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(uint256) external view returns (address pair);

    function allPairsLength() external view returns (uint256);

    function createPair(address tokenA, address tokenB)
        external
        returns (address pair);

    function setFeeTo(address) external;

    function setFeeToSetter(address) external;
}

interface IUniswapV2Pair {
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
    event Transfer(address indexed from, address indexed to, uint256 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 (uint256);

    function balanceOf(address owner) external view returns (uint256);

    function allowance(address owner, address spender)
        external
        view
        returns (uint256);

    function approve(address spender, uint256 value) external returns (bool);

    function transfer(address to, uint256 value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint256 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 (uint256);

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    event Burn(
        address indexed sender,
        uint256 amount0,
        uint256 amount1,
        address indexed to
    );
    event Swap(
        address indexed sender,
        uint256 amount0In,
        uint256 amount1In,
        uint256 amount0Out,
        uint256 amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint256);

    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 (uint256);

    function price1CumulativeLast() external view returns (uint256);

    function kLast() external view returns (uint256);

    function burn(address to)
        external
        returns (uint256 amount0, uint256 amount1);

    function swap(
        uint256 amount0Out,
        uint256 amount1Out,
        address to,
        bytes calldata data
    ) external;

    function skim(address to) external;

    function sync() external;

    function initialize(address, address) external;
}

interface IUniswapV2Router01 {
    function factory() external pure returns (address);

    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    )
        external
        returns (
            uint256 amountA,
            uint256 amountB,
            uint256 liquidity
        );

    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (
            uint256 amountToken,
            uint256 amountETH,
            uint256 liquidity
        );

    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountA, uint256 amountB);

    function removeLiquidityETH(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountToken, uint256 amountETH);

    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountA, uint256 amountB);

    function removeLiquidityETHWithPermit(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountToken, uint256 amountETH);

    function swapExactTokensForTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapTokensForExactTokens(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapExactETHForTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);

    function swapTokensForExactETH(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapExactTokensForETH(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapETHForExactTokens(
        uint256 amountOut,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);

    function quote(
        uint256 amountA,
        uint256 reserveA,
        uint256 reserveB
    ) external pure returns (uint256 amountB);

    function getAmountOut(
        uint256 amountIn,
        uint256 reserveIn,
        uint256 reserveOut
    ) external pure returns (uint256 amountOut);

    function getAmountIn(
        uint256 amountOut,
        uint256 reserveIn,
        uint256 reserveOut
    ) external pure returns (uint256 amountIn);

    function getAmountsOut(uint256 amountIn, address[] calldata path)
        external
        view
        returns (uint256[] memory amounts);

    function getAmountsIn(uint256 amountOut, address[] calldata path)
        external
        view
        returns (uint256[] memory amounts);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountETH);

    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
}

contract WoW is Ownable, IERC20 {
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _isExcludedFromFee;
    mapping(address => bool) private _isExcludedFromWalletHoldingLimit;
    mapping(address => bool) private _isAutomaticMarketMaker;
    mapping(address => bool) private _isAccountLimited;

    uint256 public _decimals = 18;
    uint256 public _totalSupply = 1 * 10**6 * 10**_decimals;
    string private _name = "World of Winners";
    string private _symbol = "WoW";

    address public immutable DeadWalletAddress =
        0x000000000000000000000000000000000000dEaD;
    address payable public MarketingWalletAddress;

    uint256 public _BuyingMarketingFee = 15;

    uint256 public _SellingMarketingFee = 50;

    uint256 internal feeDenominator = 100;

    IUniswapV2Router02 public uniswapV2Router;
    address public uniswapV2Pair;

    bool internal inSwapAndLiquify;
    bool public swapAndLiquifyEnabled = true;

    uint256 public numTokensSellToAddToLiquidity = (_totalSupply * 150) / 10**4;
    uint256 public _maxWalletHoldingLimit = (_totalSupply * 2) / 10**2;

    event MaxWalletHoldingAmountUpdated(uint256 updatedMaxWalletHoldingAmount);
    event AutomaticMarketMakerPairUpdated(address account, bool status);
    event BuyingTaxFeeUpdated(uint256 TaxFees);
    event SellingTaxFeeUpdated(uint256 TaxFees);
    event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
    event SwapAndLiquifyEnabledUpdated(bool enabled);
    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ETHReceived,
        uint256 tokensIntoLiqudity
    );

    modifier lockTheSwap() {
        inSwapAndLiquify = true;
        _;
        inSwapAndLiquify = false;
    }

    constructor() {
        _balances[owner()] = _totalSupply;
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        // Create a uniswap pair for this new token
        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
            .createPair(address(this), _uniswapV2Router.WETH());

        // set the rest of the contract variables
        uniswapV2Router = _uniswapV2Router;
        //DeployerWallet
        MarketingWalletAddress = payable(address(msg.sender));
        //exclude owner and this contract from fee and Wallet holding Limits
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromWalletHoldingLimit[owner()] = true;
        _isExcludedFromWalletHoldingLimit[uniswapV2Pair] = true;
        _isExcludedFromWalletHoldingLimit[address(this)] = true;
        _isAutomaticMarketMaker[uniswapV2Pair] = true;

        emit Transfer(address(0), owner(), _totalSupply);
    }

    function name() external view returns (string memory) {
        return _name;
    }

    function symbol() external view returns (string memory) {
        return _symbol;
    }

    function decimals() external view returns (uint256) {
        return _decimals;
    }

    function totalSupply() external view override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    function approve(address spender, uint256 amount)
        public
        virtual
        override
        returns (bool)
    {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "IERC20: approve from the zero address");
        require(spender != address(0), "IERC20: approve to the zero address");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function allowance(address owner, address spender)
        public
        view
        virtual
        override
        returns (uint256)
    {
        return _allowances[owner][spender];
    }

    function increaseAllowance(address spender, uint256 addedValue)
        public
        virtual
        returns (bool)
    {
        _approve(
            _msgSender(),
            spender,
            _allowances[_msgSender()][spender] + addedValue
        );
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue)
        public
        virtual
        returns (bool)
    {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(
            currentAllowance >= subtractedValue,
            "IERC20: decreased allowance below zero"
        );
        _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        return true;
    }

    function ExcludeFromFee(address account) external onlyOwner {
        _isExcludedFromFee[account] = true;
    }

    function IncludeInFee(address account) external onlyOwner {
        _isExcludedFromFee[account] = false;
    }

    function IsExcludedFromTax(address account) external view returns (bool) {
        return _isExcludedFromFee[account];
    }

    function isExcludedFromWalletLimit(address WalletAddress)
        external
        view
        returns (bool)
    {
        return _isExcludedFromWalletHoldingLimit[WalletAddress];
    }

    function excludeFromMaxWalletHoldingLimit(address account)
        external
        onlyOwner
    {
        _isExcludedFromWalletHoldingLimit[account] = true;
    }

    function includeInMaxWalletHoldingLimit(address account)
        external
        onlyOwner
    {
        require(
            account != uniswapV2Pair,
            "You can't play with Liquidity pair address"
        );
        _isExcludedFromWalletHoldingLimit[account] = false;
    }

    function UpdateAccountLimition(address account, bool status)
        external
        onlyOwner
    {
        _isAccountLimited[account] = status;
    }

    function isAccountLimited(address account) external view returns (bool) {
        return _isAccountLimited[account];
    }

    function UpdateWallets(address payable newMarketingWallet)
        external
        onlyOwner
    {
        require(newMarketingWallet != address(0), "You can't set zero address");
        MarketingWalletAddress = newMarketingWallet;
    }

    function UpdateBuyingTaxFees(uint256 newMarketingFee) external onlyOwner {
        _BuyingMarketingFee = newMarketingFee;
        emit BuyingTaxFeeUpdated(_BuyingMarketingFee);
    }

    function UpdateSellingTaxFees(uint256 newMarketingFee) external onlyOwner {
        _SellingMarketingFee = newMarketingFee;
        emit SellingTaxFeeUpdated(_SellingMarketingFee);
    }

    function UpdateNoOfTokensSellToGetReward(uint256 thresholdValue)
        external
        onlyOwner
    {
        numTokensSellToAddToLiquidity = thresholdValue * 10**_decimals;
        emit MinTokensBeforeSwapUpdated(numTokensSellToAddToLiquidity);
    }

    function removeAllLimitsAndTaxes() external onlyOwner {
        _maxWalletHoldingLimit = (_totalSupply * 100) / 10**2;
        _BuyingMarketingFee = 0;
        _SellingMarketingFee = 0;
    }

    function setSwapAndLiquifyEnabled(bool _enabled) external onlyOwner {
        swapAndLiquifyEnabled = _enabled;
        emit SwapAndLiquifyEnabledUpdated(_enabled);
    }

    function transfer(address recipient, uint256 amount)
        public
        virtual
        override
        returns (bool)
    {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(
            currentAllowance >= amount,
            "IERC20: transfer amount exceeds allowance"
        );
        return true;
    }

    // To receive BNB from PancakeswapV2 when swapping
    receive() external payable {}

    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "IERC20: transfer from the zero address");
        require(
            recipient != address(0),
            "IERC20: transfer to the zero address"
        );
        require(
            !_isAccountLimited[sender] && !_isAccountLimited[recipient],
            "Sorry your account is limiited"
        );
        require(_balances[sender] >= amount, "You don't have enough balance");

        if (
            !_isExcludedFromWalletHoldingLimit[recipient] && sender != owner()
        ) {
            require(
                balanceOf(recipient) + amount <= _maxWalletHoldingLimit,
                "Wallet Holding limit exceeded"
            );
        }

        uint256 totalTax = 0;

        if (_isExcludedFromFee[sender] || _isExcludedFromFee[recipient]) {
            totalTax = 0;
        } else {
            if (_isAutomaticMarketMaker[recipient]) {
                totalTax = (amount * (_SellingMarketingFee)) / (feeDenominator);
            } else if (_isAutomaticMarketMaker[sender]) {
                totalTax = (amount * (_BuyingMarketingFee)) / (feeDenominator);
            } else {
                totalTax = 0;
            }
        }

        uint256 contractTokenBalance = balanceOf(address(this));

        bool overMinTokenBalance = contractTokenBalance >=
            numTokensSellToAddToLiquidity;
        if (
            !inSwapAndLiquify &&
            recipient == uniswapV2Pair &&
            swapAndLiquifyEnabled &&
            balanceOf(uniswapV2Pair) > numTokensSellToAddToLiquidity
        ) {
            if (overMinTokenBalance) {
                contractTokenBalance = numTokensSellToAddToLiquidity;
                swapTokens(contractTokenBalance);
            }
        }

        uint256 amountReceived = amount - (totalTax);
        _balances[address(this)] += totalTax;
        _balances[sender] = _balances[sender] - amount;
        _balances[recipient] += amountReceived;

        if (totalTax > 0) {
            emit Transfer(sender, address(this), totalTax);
        }
        emit Transfer(sender, recipient, amountReceived);
    }

    function swapTokens(uint256 _contractTokenBalance) private lockTheSwap {
        swapTokensForETH(_contractTokenBalance);
        uint256 MarketingBalance = address(this).balance;
        if (MarketingBalance > 0) {
            transferToAddressETH(MarketingWalletAddress, MarketingBalance);
        }

        if (address(this).balance > 0) {
            MarketingWalletAddress.transfer(address(this).balance);
        }
    }

    function transferToAddressETH(address payable recipient, uint256 amount)
        private
    {
        recipient.transfer(amount);
    }

    function swapTokensForETH(uint256 tokenAmount) private {
        // generate the uniswap pair path of token -> wETH
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();

        _approve(address(this), address(uniswapV2Router), tokenAmount);

        // make the swap
        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0, // accept any amount of ETH
            path,
            address(this),
            block.timestamp
        );
    }
}