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*/
// SPDX-License-Identifier: MIT
// File: @openzeppelin/contracts/interfaces/draft-IERC6093.sol
pragma solidity ^0.8.20;
/**
 * @dev Standard ERC20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.
 */
interface IERC20Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientBalance(
        address sender,
        uint256 balance,
        uint256 needed
    );
    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC20InvalidSender(address sender);
    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC20InvalidReceiver(address receiver);
    /**
     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     * @param allowance Amount of tokens a `spender` is allowed to operate with.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientAllowance(
        address spender,
        uint256 allowance,
        uint256 needed
    );
    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC20InvalidApprover(address approver);
    /**
     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC20InvalidSpender(address spender);
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
pragma solidity ^0.8.20;
/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}
// File: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)
pragma solidity ^0.8.20;
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;
    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);
    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);
    event OwnershipTransferred(
        address indexed previousOwner,
        address indexed newOwner
    );
    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }
    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }
    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }
    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }
    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }
    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }
    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}
// File: @openzeppelin/contracts/token/ERC20/IERC20.sol
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);
    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);
    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);
    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);
    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(
        address owner,
        address spender
    ) external view returns (uint256);
    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);
    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 value
    ) external returns (bool);
}
// File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)
pragma solidity ^0.8.20;
/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);
    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);
    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}
// File: @openzeppelin/contracts/token/ERC20/ERC20.sol
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)
pragma solidity ^0.8.20;
/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 */
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
    mapping(address account => uint256) private _balances;
    mapping(address account => mapping(address spender => uint256))
        private _allowances;
    uint256 private _totalSupply;
    string private _name;
    string private _symbol;
    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }
    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual returns (string memory) {
        return _name;
    }
    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual returns (string memory) {
        return _symbol;
    }
    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual returns (uint8) {
        return 18;
    }
    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual returns (uint256) {
        return _totalSupply;
    }
    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual returns (uint256) {
        return _balances[account];
    }
    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `value`.
     */
    function transfer(address to, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, value);
        return true;
    }
    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(
        address owner,
        address spender
    ) public view virtual returns (uint256) {
        return _allowances[owner][spender];
    }
    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(
        address spender,
        uint256 value
    ) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, value);
        return true;
    }
    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `value`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `value`.
     */
    function transferFrom(
        address from,
        address to,
        uint256 value
    ) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, value);
        _transfer(from, to, value);
        return true;
    }
    /**
     * @dev Moves a `value` amount of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _transfer(address from, address to, uint256 value) internal {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }
    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            _totalSupply += value;
        } else {
            uint256 fromBalance = _balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                _balances[from] = fromBalance - value;
            }
        }
        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                _totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                _balances[to] += value;
            }
        }
        emit Transfer(from, to, value);
    }
    /**
     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
     * Relies on the `_update` mechanism
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }
    /**
     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
     * Relies on the `_update` mechanism.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead
     */
    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }
    /**
     * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        _approve(owner, spender, value, true);
    }
    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
     * true using the following override:
     * ```
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(
        address owner,
        address spender,
        uint256 value,
        bool emitEvent
    ) internal virtual {
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        _allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }
    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `value`.
     *
     * Does not update the allowance value in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Does not emit an {Approval} event.
     */
    function _spendAllowance(
        address owner,
        address spender,
        uint256 value
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(
                    spender,
                    currentAllowance,
                    value
                );
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}
// File: @openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Burnable.sol)
pragma solidity ^0.8.20;
/**
 * @dev Extension of {ERC20} that allows token holders to destroy both their own
 * tokens and those that they have an allowance for, in a way that can be
 * recognized off-chain (via event analysis).
 */
abstract contract ERC20Burnable is Context, ERC20 {
    /**
     * @dev Destroys a `value` amount of tokens from the caller.
     *
     * See {ERC20-_burn}.
     */
    function burn(uint256 value) public virtual {
        _burn(_msgSender(), value);
    }
    /**
     * @dev Destroys a `value` amount of tokens from `account`, deducting from
     * the caller's allowance.
     *
     * See {ERC20-_burn} and {ERC20-allowance}.
     *
     * Requirements:
     *
     * - the caller must have allowance for ``accounts``'s tokens of at least
     * `value`.
     */
    function burnFrom(address account, uint256 value) public virtual {
        _spendAllowance(account, _msgSender(), value);
        _burn(account, value);
    }
}
// Compatible with OpenZeppelin Contracts ^5.0.0
pragma solidity ^0.8.20;
interface IUniswapV2Factory {
    event PairCreated(
        address indexed token0,
        address indexed token1,
        address pair,
        uint
    );
    function getPair(
        address tokenA,
        address tokenB
    ) external view returns (address pair);
    function createPair(
        address tokenA,
        address tokenB
    ) external returns (address pair);
}
interface IUniswapV2Router02 {
    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 IBeautifulToken {
    event SwapTokensAtAmountUpdated(uint256 value);
    event SwapAndLiquifyEnabledUpdated(bool enabled);
    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ethReceived,
        uint256 tokensIntoLiquidity
    );
    event DistributeFeeTokens(uint256 tokens);
    event V2RouterUpdated(
        address indexed newAddress,
        address indexed oldAddress
    );
    event SetAutomatedMarketMakerPair(address indexed pair, bool value);
    event ExcludeFromTax(address indexed _user, bool _isExcludeFromTax);
    event TaxUpdated(uint256 buyTax, uint256 sellTax);
    event MaxBuyCapUpdated(uint256 oldCap, uint256 newCap);
    event MaxSellCapUpdated(uint256 oldCap, uint256 newCap);
    event OpenTrading(bool);
    event RemoveLimits();
    error TradeOpened();
    error TradeNotOpened();
}
contract GrumpyToken is IBeautifulToken, ERC20, ERC20Burnable, Ownable {
    IUniswapV2Router02 public uniswapV2Router;
    mapping(address => bool) public automatedMarketMakerPairs;
    mapping(address => bool) public isExcludeFromTax;
    address public pair;
    address[] public feeReceivers;
    uint256[] public feeDividers;
    uint256 public absorbFeeRate;
    address public marketingWallet;
    address public liquidityWallet;
    uint256 public MAX_SUPPLY = 17_760_000_000 * (10 ** decimals());
    uint256 public buyTax;
    uint256 public sellTax;
    uint256 public maxBuyCap;
    uint256 public maxSellCap;
    bool private swapping;
    bool public swapAndLiquifyEnabled = true;
    bool public tradeOpened = false;
    uint256 public swapTokensAtAmount;
    constructor() ERC20("Grumpy", "GRUMPY") Ownable(msg.sender) {
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        uniswapV2Router = _uniswapV2Router;
        buyTax = 5;
        sellTax = 10;
        _setUpAbsorbFee();
        maxBuyCap = MAX_SUPPLY / 20;
        maxSellCap = MAX_SUPPLY / 20;
        swapTokensAtAmount = MAX_SUPPLY / 200;
        isExcludeFromTax[address(msg.sender)] = true;
        isExcludeFromTax[address(this)] = true;
        _mint(msg.sender, MAX_SUPPLY);
    }
    /**
     * @dev this function is used to set up fee before deployment
     */
    function _setUpAbsorbFee() private {
        absorbFeeRate = 0;
    }
    /**
     * @dev this function is for open trading
     */
    function openTrading() external onlyOwner {
        if (tradeOpened == true) {
            revert TradeOpened();
        }
        address _uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory())
            .getPair(address(this), uniswapV2Router.WETH());
        pair = _uniswapV2Pair;
        automatedMarketMakerPairs[_uniswapV2Pair] = true;
        tradeOpened = true;
        emit OpenTrading(true);
    }
    /**
     * @dev this function is for open trading
     */
    function removeLimits() external onlyOwner {
        maxBuyCap = MAX_SUPPLY;
        maxSellCap = MAX_SUPPLY;
        emit RemoveLimits();
    }
    /**
     * @dev function for setting Automated MarketMaker Pair
     * @param _pair address for pair.
     * @param _value boolean true or false.
     */
    function setAutomatedMarketMakerPair(
        address _pair,
        bool _value
    ) external onlyOwner {
        require(
            automatedMarketMakerPairs[_pair] != _value,
            "PairIsAlreadyGivenValue"
        );
        automatedMarketMakerPairs[_pair] = _value;
        emit SetAutomatedMarketMakerPair(_pair, _value);
    }
    /**
     * @dev Function to update isExcludeFromTax mapping to exclude or include From Tax
     * @param _user The address to be exclude or include From Tax
     * @param _isExcludeFromTax true or false
     */
    function excludeFromTax(
        address _user,
        bool _isExcludeFromTax
    ) external onlyOwner {
        isExcludeFromTax[_user] = _isExcludeFromTax;
        emit ExcludeFromTax(_user, _isExcludeFromTax);
    }
    function setGrumpyRule(uint256 buyFee, uint256 sellFee) external onlyOwner {
        buyTax = buyFee;
        sellTax = sellFee;
        emit TaxUpdated(buyFee, sellFee);
    }
    /**
     * @dev Function to update MaxBuyCap
     * @param cap cap in amounts of tokens in wei
     */
    function setMaxBuyCap(uint256 cap) external onlyOwner {
        require(
            cap >= totalSupply() / 100,
            "maxBuy Cannot be less than 1% of totalSupply"
        );
        emit MaxBuyCapUpdated(maxBuyCap, cap);
        maxBuyCap = cap;
    }
    /**
     * @dev Function to update MaxSellCap
     * @param cap cap in amounts of tokens in wei
     */
    function setMaxSellCap(uint256 cap) external onlyOwner {
        require(
            cap >= totalSupply() / 100,
            "maxSell Cannot be less than 1% of totalSupply"
        );
        emit MaxSellCapUpdated(maxSellCap, cap);
        maxSellCap = cap;
    }
    /**
     * @dev Function to toggle swap and liquify feature
     * @param _enabled true or false
     */
    function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
        swapAndLiquifyEnabled = _enabled;
        emit SwapAndLiquifyEnabledUpdated(_enabled);
    }
    //to receive ETH from uniswapV2Router when swaping
    receive() external payable {}
    // The following function is overriden to support fees on transfers
    function _update(
        address from,
        address to,
        uint256 value
    ) internal override(ERC20) {
        if (tradeOpened == false && (from != owner() && to != owner())) {
            revert TradeNotOpened();
        }
        if (
            !swapping &&
            from != address(uniswapV2Router) && //router -> pair is removing liquidity which shouldn't have max
            !isExcludeFromTax[to] //no max for those excluded from fees
        ) {
            _validateTransfer(from, to, value, true);
        }
        uint256 contractTokenBalance = balanceOf(address(this));
        bool canSwap = contractTokenBalance >= swapTokensAtAmount;
        if (
            swapAndLiquifyEnabled &&
            canSwap &&
            !swapping &&
            !automatedMarketMakerPairs[from] &&
            from != owner() &&
            to != owner()
        ) {
            swapping = true;
            uint256 swapTokens = (contractTokenBalance *
                (100 - absorbFeeRate)) / 100;
            _swapAndLiquidifyUnderlying(swapTokens);
            uint256 sellTokens = balanceOf(address(this));
            _distributeFeeTokens(sellTokens);
            swapping = false;
        }
        bool takeFee = !swapping;
        // if any account belongs to isExcludeFromTax account then remove the fee
        if (isExcludeFromTax[from] || isExcludeFromTax[to]) {
            takeFee = false;
        }
        if (takeFee) {
            uint256 fees;
            if (_isBuy(from)) {
                fees = (value * buyTax) / 100;
            } else if (_isSell(from, to)) {
                fees = (value * sellTax) / 100;
            }
            value = value - fees;
            super._update(from, address(this), fees);
        }
        super._update(from, to, value);
    }
    // helper functions for buy, sell, lp, swap on uniswap
    function _isSell(
        address sender,
        address recipient
    ) internal view returns (bool) {
        return
            sender != address(uniswapV2Router) &&
            automatedMarketMakerPairs[recipient];
    }
    function _isBuy(address sender) internal view returns (bool) {
        return automatedMarketMakerPairs[sender];
    }
    function _swapAndLiquidifyUnderlying(uint256 contractTokenBalance) private {
        uint256 half = contractTokenBalance / 2;
        uint256 otherHalf = contractTokenBalance - half;
        uint256 initialBalance = address(this).balance;
        // swap tokens for ETH
        swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered
        // how much ETH did we just swap into?
        uint256 newBalance = address(this).balance - initialBalance;
        // add liquidity to uniswap
        _addLiquidityUnderlying(otherHalf, newBalance);
        emit SwapAndLiquify(half, newBalance, otherHalf);
    }
    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
        try
            uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
                tokenAmount,
                0, // accept any amount of ETH
                path,
                address(this),
                block.timestamp
            )
        {} catch {}
    }
    function _addLiquidityUnderlying(
        uint256 tokenAmount,
        uint256 ethAmount
    ) private {
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        try
            uniswapV2Router.addLiquidityETH{ value: ethAmount }(
                address(this),
                tokenAmount,
                0,
                0,
                liquidityWallet,
                block.timestamp
            )
        {} catch {}
    }
    function _distributeFeeTokens(uint256 tokens) private {
        for (uint i = 0; i < feeDividers.length; i++) {
            _transfer(
                address(this),
                feeReceivers[i],
                (tokens * feeDividers[i]) / 100
            );
        }
        emit DistributeFeeTokens(tokens);
    }
    function _validateTransfer(
        address sender,
        address recipient,
        uint256 amount,
        bool takeFee
    ) private view {
        // Do not check if we are not open trading
        if (tradeOpened == false) {
            return;
        }
        // Excluded addresses don't have limits
        if (takeFee) {
            if (_isBuy(sender) && maxBuyCap != 0) {
                require(amount <= maxBuyCap, "Buy amount exceeds limit");
            } else if (_isSell(sender, recipient) && maxSellCap != 0) {
                require(amount <= maxSellCap, "Sell amount exceeds limit");
            }
        }
    }
}