creation_sourcecode: // SPDX-License-Identifier: MIT
  pragma solidity =0.8.17;
  // OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
  /**
   * @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;
      }
  }
  // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
  /**
   * @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.
   * 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;
      event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
      /**
       * @dev Initializes the contract setting the deployer as the initial owner.
       */
      constructor() {
          _transferOwnership(_msgSender());
      }
      /**
       * @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 {
          require(owner() == _msgSender(), "Ownable: caller is not the owner");
      }
      /**
       * @dev Leaves the contract without owner. It will not be possible to call
       * `onlyOwner` functions anymore. Can only be called by the current owner.
       *
       * NOTE: Renouncing ownership will leave the contract without an owner,
       * thereby removing 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 {
          require(newOwner != address(0), "Ownable: new owner is the zero address");
          _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);
      }
  }
  // OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol)
  // CAUTION
  // This version of SafeMath should only be used with Solidity 0.8 or later,
  // because it relies on the compiler's built in overflow checks.
  /**
   * @dev Wrappers over Solidity's arithmetic operations.
   *
   * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
   * now has built in overflow checking.
   */
  library SafeMath {
      /**
       * @dev Returns the addition of two unsigned integers, with an overflow flag.
       *
       * _Available since v3.4._
       */
      function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
          unchecked {
              uint256 c = a + b;
              if (c < a) return (false, 0);
              return (true, c);
          }
      }
      /**
       * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
       *
       * _Available since v3.4._
       */
      function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
          unchecked {
              if (b > a) return (false, 0);
              return (true, a - b);
          }
      }
      /**
       * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
       *
       * _Available since v3.4._
       */
      function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
          unchecked {
              // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
              // benefit is lost if 'b' is also tested.
              // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
              if (a == 0) return (true, 0);
              uint256 c = a * b;
              if (c / a != b) return (false, 0);
              return (true, c);
          }
      }
      /**
       * @dev Returns the division of two unsigned integers, with a division by zero flag.
       *
       * _Available since v3.4._
       */
      function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
          unchecked {
              if (b == 0) return (false, 0);
              return (true, a / b);
          }
      }
      /**
       * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
       *
       * _Available since v3.4._
       */
      function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
          unchecked {
              if (b == 0) return (false, 0);
              return (true, a % b);
          }
      }
      /**
       * @dev Returns the addition of two unsigned integers, reverting on
       * overflow.
       *
       * Counterpart to Solidity's `+` operator.
       *
       * Requirements:
       *
       * - Addition cannot overflow.
       */
      function add(uint256 a, uint256 b) internal pure returns (uint256) {
          return a + b;
      }
      /**
       * @dev Returns the subtraction of two unsigned integers, reverting on
       * overflow (when the result is negative).
       *
       * Counterpart to Solidity's `-` operator.
       *
       * Requirements:
       *
       * - Subtraction cannot overflow.
       */
      function sub(uint256 a, uint256 b) internal pure returns (uint256) {
          return a - b;
      }
      /**
       * @dev Returns the multiplication of two unsigned integers, reverting on
       * overflow.
       *
       * Counterpart to Solidity's `*` operator.
       *
       * Requirements:
       *
       * - Multiplication cannot overflow.
       */
      function mul(uint256 a, uint256 b) internal pure returns (uint256) {
          return a * b;
      }
      /**
       * @dev Returns the integer division of two unsigned integers, reverting on
       * division by zero. The result is rounded towards zero.
       *
       * Counterpart to Solidity's `/` operator.
       *
       * Requirements:
       *
       * - The divisor cannot be zero.
       */
      function div(uint256 a, uint256 b) internal pure returns (uint256) {
          return a / b;
      }
      /**
       * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
       * reverting when dividing by zero.
       *
       * Counterpart to Solidity's `%` operator. This function uses a `revert`
       * opcode (which leaves remaining gas untouched) while Solidity uses an
       * invalid opcode to revert (consuming all remaining gas).
       *
       * Requirements:
       *
       * - The divisor cannot be zero.
       */
      function mod(uint256 a, uint256 b) internal pure returns (uint256) {
          return a % b;
      }
      /**
       * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
       * overflow (when the result is negative).
       *
       * CAUTION: This function is deprecated because it requires allocating memory for the error
       * message unnecessarily. For custom revert reasons use {trySub}.
       *
       * Counterpart to Solidity's `-` operator.
       *
       * Requirements:
       *
       * - Subtraction cannot overflow.
       */
      function sub(
          uint256 a,
          uint256 b,
          string memory errorMessage
      ) internal pure returns (uint256) {
          unchecked {
              require(b <= a, errorMessage);
              return a - b;
          }
      }
      /**
       * @dev Returns the integer division of two unsigned integers, reverting with custom message on
       * division by zero. The result is rounded towards zero.
       *
       * Counterpart to Solidity's `/` operator. Note: this function uses a
       * `revert` opcode (which leaves remaining gas untouched) while Solidity
       * uses an invalid opcode to revert (consuming all remaining gas).
       *
       * Requirements:
       *
       * - The divisor cannot be zero.
       */
      function div(
          uint256 a,
          uint256 b,
          string memory errorMessage
      ) internal pure returns (uint256) {
          unchecked {
              require(b > 0, errorMessage);
              return a / b;
          }
      }
      /**
       * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
       * reverting with custom message when dividing by zero.
       *
       * CAUTION: This function is deprecated because it requires allocating memory for the error
       * message unnecessarily. For custom revert reasons use {tryMod}.
       *
       * Counterpart to Solidity's `%` operator. This function uses a `revert`
       * opcode (which leaves remaining gas untouched) while Solidity uses an
       * invalid opcode to revert (consuming all remaining gas).
       *
       * Requirements:
       *
       * - The divisor cannot be zero.
       */
      function mod(
          uint256 a,
          uint256 b,
          string memory errorMessage
      ) internal pure returns (uint256) {
          unchecked {
              require(b > 0, errorMessage);
              return a % b;
          }
      }
  }
  // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)
  /**
   * @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 amount of tokens in existence.
       */
      function totalSupply() external view returns (uint256);
      /**
       * @dev Returns the amount of tokens owned by `account`.
       */
      function balanceOf(address account) external view returns (uint256);
      /**
       * @dev Moves `amount` 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 amount) 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 `amount` 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 amount) external returns (bool);
      /**
       * @dev Moves `amount` tokens from `from` to `to` using the
       * allowance mechanism. `amount` 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 amount
      ) external returns (bool);
  }
  // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)
  /**
   * @dev Interface for the optional metadata functions from the ERC20 standard.
   *
   * _Available since v4.1._
   */
  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);
  }
  // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/ERC20.sol)
  /**
   * @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}.
   * For a generic mechanism see {ERC20PresetMinterPauser}.
   *
   * 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].
   *
   * 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.
   *
   * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
   * functions have been added to mitigate the well-known issues around setting
   * allowances. See {IERC20-approve}.
   */
  contract ERC20 is Context, IERC20, IERC20Metadata {
      mapping(address => uint256) private _balances;
      mapping(address => mapping(address => uint256)) private _allowances;
      uint256 private _totalSupply;
      string private _name;
      string private _symbol;
      /**
       * @dev Sets the values for {name} and {symbol}.
       *
       * The default value of {decimals} is 18. To select a different value for
       * {decimals} you should overload it.
       *
       * 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 override returns (string memory) {
          return _name;
      }
      /**
       * @dev Returns the symbol of the token, usually a shorter version of the
       * name.
       */
      function symbol() public view virtual override 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 value {ERC20} uses, unless this function is
       * 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 override returns (uint8) {
          return 18;
      }
      /**
       * @dev See {IERC20-totalSupply}.
       */
      function totalSupply() public view virtual override returns (uint256) {
          return _totalSupply;
      }
      /**
       * @dev See {IERC20-balanceOf}.
       */
      function balanceOf(address account) public view virtual override 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 `amount`.
       */
      function transfer(address to, uint256 amount) public virtual override returns (bool) {
          address owner = _msgSender();
          _transfer(owner, to, amount);
          return true;
      }
      /**
       * @dev See {IERC20-allowance}.
       */
      function allowance(address owner, address spender) public view virtual override returns (uint256) {
          return _allowances[owner][spender];
      }
      /**
       * @dev See {IERC20-approve}.
       *
       * NOTE: If `amount` 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 amount) public virtual override returns (bool) {
          address owner = _msgSender();
          _approve(owner, spender, amount);
          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 `amount`.
       * - the caller must have allowance for ``from``'s tokens of at least
       * `amount`.
       */
      function transferFrom(
          address from,
          address to,
          uint256 amount
      ) public virtual override returns (bool) {
          address spender = _msgSender();
          _spendAllowance(from, spender, amount);
          _transfer(from, to, amount);
          return true;
      }
      /**
       * @dev Atomically increases the allowance granted to `spender` by the caller.
       *
       * This is an alternative to {approve} that can be used as a mitigation for
       * problems described in {IERC20-approve}.
       *
       * Emits an {Approval} event indicating the updated allowance.
       *
       * Requirements:
       *
       * - `spender` cannot be the zero address.
       */
      function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
          address owner = _msgSender();
          _approve(owner, spender, allowance(owner, spender) + addedValue);
          return true;
      }
      /**
       * @dev Atomically decreases the allowance granted to `spender` by the caller.
       *
       * This is an alternative to {approve} that can be used as a mitigation for
       * problems described in {IERC20-approve}.
       *
       * Emits an {Approval} event indicating the updated allowance.
       *
       * Requirements:
       *
       * - `spender` cannot be the zero address.
       * - `spender` must have allowance for the caller of at least
       * `subtractedValue`.
       */
      function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
          address owner = _msgSender();
          uint256 currentAllowance = allowance(owner, spender);
          require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
          unchecked {
              _approve(owner, spender, currentAllowance - subtractedValue);
          }
          return true;
      }
      /**
       * @dev Moves `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.
       *
       * Requirements:
       *
       * - `from` cannot be the zero address.
       * - `to` cannot be the zero address.
       * - `from` must have a balance of at least `amount`.
       */
      function _transfer(
          address from,
          address to,
          uint256 amount
      ) internal virtual {
          require(from != address(0), "ERC20: transfer from the zero address");
          require(to != address(0), "ERC20: transfer to the zero address");
          _beforeTokenTransfer(from, to, amount);
          uint256 fromBalance = _balances[from];
          require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
          unchecked {
              _balances[from] = fromBalance - amount;
              // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
              // decrementing then incrementing.
              _balances[to] += amount;
          }
          emit Transfer(from, to, amount);
          _afterTokenTransfer(from, to, amount);
      }
      /** @dev Creates `amount` tokens and assigns them to `account`, increasing
       * the total supply.
       *
       * Emits a {Transfer} event with `from` set to the zero address.
       *
       * Requirements:
       *
       * - `account` cannot be the zero address.
       */
      function _mint(address account, uint256 amount) internal virtual {
          require(account != address(0), "ERC20: mint to the zero address");
          _beforeTokenTransfer(address(0), account, amount);
          _totalSupply += amount;
          unchecked {
              // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
              _balances[account] += amount;
          }
          emit Transfer(address(0), account, amount);
          _afterTokenTransfer(address(0), account, amount);
      }
      /**
       * @dev Destroys `amount` tokens from `account`, reducing the
       * total supply.
       *
       * Emits a {Transfer} event with `to` set to the zero address.
       *
       * Requirements:
       *
       * - `account` cannot be the zero address.
       * - `account` must have at least `amount` tokens.
       */
      function _burn(address account, uint256 amount) internal virtual {
          require(account != address(0), "ERC20: burn from the zero address");
          _beforeTokenTransfer(account, address(0), amount);
          uint256 accountBalance = _balances[account];
          require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
          unchecked {
              _balances[account] = accountBalance - amount;
              // Overflow not possible: amount <= accountBalance <= totalSupply.
              _totalSupply -= amount;
          }
          emit Transfer(account, address(0), amount);
          _afterTokenTransfer(account, address(0), amount);
      }
      /**
       * @dev Sets `amount` 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.
       */
      function _approve(
          address owner,
          address spender,
          uint256 amount
      ) internal virtual {
          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);
      }
      /**
       * @dev Updates `owner` s allowance for `spender` based on spent `amount`.
       *
       * Does not update the allowance amount in case of infinite allowance.
       * Revert if not enough allowance is available.
       *
       * Might emit an {Approval} event.
       */
      function _spendAllowance(
          address owner,
          address spender,
          uint256 amount
      ) internal virtual {
          uint256 currentAllowance = allowance(owner, spender);
          if (currentAllowance != type(uint256).max) {
              require(currentAllowance >= amount, "ERC20: insufficient allowance");
              unchecked {
                  _approve(owner, spender, currentAllowance - amount);
              }
          }
      }
      /**
       * @dev Hook that is called before any transfer of tokens. This includes
       * minting and burning.
       *
       * Calling conditions:
       *
       * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
       * will be transferred to `to`.
       * - when `from` is zero, `amount` tokens will be minted for `to`.
       * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
       * - `from` and `to` are never both zero.
       *
       * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
       */
      function _beforeTokenTransfer(
          address from,
          address to,
          uint256 amount
      ) internal virtual {}
      /**
       * @dev Hook that is called after any transfer of tokens. This includes
       * minting and burning.
       *
       * Calling conditions:
       *
       * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
       * has been transferred to `to`.
       * - when `from` is zero, `amount` tokens have been minted for `to`.
       * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
       * - `from` and `to` are never both zero.
       *
       * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
       */
      function _afterTokenTransfer(
          address from,
          address to,
          uint256 amount
      ) internal virtual {}
  }
  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 IUniswapV2Router01 {
      function factory() external pure returns (address);
      function WETH() external pure returns (address);
  
      function addLiquidity(
          address tokenA,
          address tokenB,
          uint amountADesired,
          uint amountBDesired,
          uint amountAMin,
          uint amountBMin,
          address to,
          uint deadline
      ) external returns (uint amountA, uint amountB, uint liquidity);
      function addLiquidityETH(
          address token,
          uint amountTokenDesired,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline
      ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
      function removeLiquidity(
          address tokenA,
          address tokenB,
          uint liquidity,
          uint amountAMin,
          uint amountBMin,
          address to,
          uint deadline
      ) external returns (uint amountA, uint amountB);
      function removeLiquidityETH(
          address token,
          uint liquidity,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline
      ) external returns (uint amountToken, uint amountETH);
      function removeLiquidityWithPermit(
          address tokenA,
          address tokenB,
          uint liquidity,
          uint amountAMin,
          uint amountBMin,
          address to,
          uint deadline,
          bool approveMax, uint8 v, bytes32 r, bytes32 s
      ) external returns (uint amountA, uint amountB);
      function removeLiquidityETHWithPermit(
          address token,
          uint liquidity,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline,
          bool approveMax, uint8 v, bytes32 r, bytes32 s
      ) external returns (uint amountToken, uint amountETH);
      function swapExactTokensForTokens(
          uint amountIn,
          uint amountOutMin,
          address[] calldata path,
          address to,
          uint deadline
      ) external returns (uint[] memory amounts);
      function swapTokensForExactTokens(
          uint amountOut,
          uint amountInMax,
          address[] calldata path,
          address to,
          uint deadline
      ) external returns (uint[] memory amounts);
      function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
          external
          payable
          returns (uint[] memory amounts);
      function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
          external
          returns (uint[] memory amounts);
      function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
          external
          returns (uint[] memory amounts);
      function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
          external
          payable
          returns (uint[] memory amounts);
  
      function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
      function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
      function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
      function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
      function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
  }
  
  interface IUniswapV2Router02 is IUniswapV2Router01 {
      function removeLiquidityETHSupportingFeeOnTransferTokens(
          address token,
          uint liquidity,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline
      ) external returns (uint amountETH);
      function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
          address token,
          uint liquidity,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline,
          bool approveMax, uint8 v, bytes32 r, bytes32 s
      ) external returns (uint amountETH);
  
      function swapExactTokensForTokensSupportingFeeOnTransferTokens(
          uint amountIn,
          uint amountOutMin,
          address[] calldata path,
          address to,
          uint deadline
      ) external;
      function swapExactETHForTokensSupportingFeeOnTransferTokens(
          uint amountOutMin,
          address[] calldata path,
          address to,
          uint deadline
      ) external payable;
      function swapExactTokensForETHSupportingFeeOnTransferTokens(
          uint amountIn,
          uint amountOutMin,
          address[] calldata path,
          address to,
          uint deadline
      ) external;
  }
  contract CaitlynJenner is Context, ERC20, Ownable {
      using SafeMath for uint256;
      IUniswapV2Router02 private uniswapV2Router;
      mapping (address => bool) private _excludedFees;
      mapping (address => bool) private _excludedMaxTx;
      mapping (address => bool) private _isBot;
      bool public tradingOpen;
      bool private _swapping;
      bool public swapEnabled = false;
      uint256 private constant _tSupply = 1000000000 * (10**18);
      uint256 public maxBuyAmount = _tSupply;
      uint256 public maxSellAmount = _tSupply;
      uint256 public maxWalletAmount = _tSupply;
      uint256 public constant FEE_DIVISOR = 1000;
      uint256 private _totalFees;
      uint256 private _mktgFee;
      uint256 private _devFee;
      uint256 private _liqFee;
      uint256 public buyMktgFee = 10;
      uint256 private _previousBuyMktgFee = buyMktgFee;
      uint256 public buyDevFee = 10;
      uint256 private _previousBuyDevFee = buyDevFee;
      uint256 public buyLiqFee = 10;
      uint256 private _previousBuyLiqFee = buyLiqFee;
      uint256 public sellMktgFee = 10;
      uint256 private _previousSellMktgFee = sellMktgFee;
      uint256 public sellDevFee = 10;
      uint256 private _previousSellDevFee = sellDevFee;
      uint256 public sellLiqFee = 10;
      uint256 private _previousSellLiqFee = sellLiqFee;
      uint256 private _tokensForMktg;
      uint256 private _tokensForDev;
      uint256 private _tokensForLiq;
      uint256 private _swapTokensAtAmount = 0;
      address payable private _mktgWallet = payable(0xC152A863312F4AB4C5B6a52447abe8bFDD741aa2);
      address payable private _devWallet = payable(0xB41aF5Ce8C1b86e0204a0Bc6625041376c70Ba81);
      address payable private _liqWallet = payable(0xedc3D54605d6d25cF405f214B56d63b7bCD80d1f);
      address private uniswapV2Pair;
      address constant private DEAD = 0x000000000000000000000000000000000000dEaD;
      address constant private ZERO = 0x0000000000000000000000000000000000000000;
      
      constructor() ERC20("Caitlyn Jenner", "$Jenner") {
          uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
          _approve(address(this), address(uniswapV2Router), _tSupply);
          uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
          IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
          _excludedFees[owner()] = true;
          _excludedFees[address(this)] = true;
          _excludedFees[DEAD] = true;
          _excludedFees[_mktgWallet] = true;
          _excludedFees[_liqWallet] = true;
          _excludedMaxTx[owner()] = true;
          _excludedMaxTx[address(this)] = true;
          _excludedMaxTx[DEAD] = true;
          _excludedMaxTx[_mktgWallet] = true;
          _excludedMaxTx[_liqWallet] = true;
          _mint(owner(), _tSupply);
      }
      function _transfer(address from, address to, uint256 amount) internal override {
          require(from != ZERO, "ERC20: transfer from the zero address");
          require(to != ZERO, "ERC20: transfer to the zero address");
          require(amount > 0, "Transfer amount must be greater than zero");
          bool takeFee = true;
          bool shouldSwap = false;
          if (from != owner() && to != owner() && to != ZERO && to != DEAD && !_swapping) {
              require(!_isBot[from] && !_isBot[to], "Bot.");
              if(!tradingOpen) require(_excludedFees[from] || _excludedFees[to], "Trading is not allowed yet.");
              if (from == uniswapV2Pair && to != address(uniswapV2Router) && !_excludedMaxTx[to]) {
                  require(amount <= maxBuyAmount, "Transfer amount exceeds the maxBuyAmount.");
                  require(balanceOf(to) + amount <= maxWalletAmount, "Exceeds maximum wallet token amount.");
              }
              
              if (to == uniswapV2Pair && from != address(uniswapV2Router) && !_excludedMaxTx[from]) {
                  require(amount <= maxSellAmount, "Transfer amount exceeds the maxSellAmount.");
                  shouldSwap = true;
              }
          }
          if(_excludedFees[from] || _excludedFees[to]) takeFee = false;
          if(from != uniswapV2Pair && to != uniswapV2Pair) takeFee = false;  
          uint256 contractBalance = balanceOf(address(this));
          bool canSwap = (contractBalance > _swapTokensAtAmount) && shouldSwap;
          if (canSwap && swapEnabled && !_swapping && !_excludedFees[from] && !_excludedFees[to]) {
              _swapping = true;
              _swapBack(contractBalance);
              _swapping = false;
          }
          _tokenTransfer(from, to, amount, takeFee, shouldSwap);
      }
      function _swapBack(uint256 contractBalance) internal {
          uint256 totalTokensToSwap =  _tokensForMktg.add(_tokensForDev).add(_tokensForLiq);
          bool success;
          
          if (contractBalance == 0 || totalTokensToSwap == 0) return;
          if (contractBalance > _swapTokensAtAmount.mul(5)) contractBalance = _swapTokensAtAmount.mul(5);
          uint256 liquidityTokens = contractBalance.mul(_tokensForLiq).div(totalTokensToSwap).div(2);
          uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);
          uint256 initialETHBalance = address(this).balance;
          swapTokensForETH(amountToSwapForETH);
          
          uint256 ETHBalance = address(this).balance.sub(initialETHBalance);
          uint256 ETHForMktg = ETHBalance.mul(_tokensForMktg).div(totalTokensToSwap);
          uint256 ETHForDev = ETHBalance.mul(_tokensForDev).div(totalTokensToSwap);
          uint256 ETHForLiq = ETHBalance.sub(ETHForMktg).sub(ETHForDev);
          
          _tokensForMktg = 0;
          _tokensForDev = 0;
          _tokensForLiq = 0;
          if(liquidityTokens > 0 && ETHForLiq > 0) _addLiquidity(liquidityTokens, ETHForLiq);
          (success,) = address(_devWallet).call{value: ETHForDev}("");
          (success,) = address(_mktgWallet).call{value: address(this).balance}("");
      }
      function swapTokensForETH(uint256 tokenAmount) internal {
          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 _addLiquidity(uint256 tokenAmount, uint256 ETHAmount) internal {
          _approve(address(this), address(uniswapV2Router), tokenAmount);
          uniswapV2Router.addLiquidityETH{value: ETHAmount}(
              address(this),
              tokenAmount,
              0,
              0,
              _liqWallet,
              block.timestamp
          );
      }
          
      function sendETHToFee(uint256 amount) internal {
          _mktgWallet.transfer(amount.div(2));
          _devWallet.transfer(amount.div(2));
      }
      function isBot(address wallet) external view returns (bool) {
          return _isBot[wallet];
      }
      function openTrading() public onlyOwner {
          require(!tradingOpen, "Trading is already open");
          swapEnabled = true;
          maxBuyAmount = _tSupply;
          maxSellAmount = _tSupply;
          maxWalletAmount = _tSupply;
          _swapTokensAtAmount = _tSupply.mul(5).div(10000);
          tradingOpen = true;
      }
      function setSwapEnabled(bool onoff) public onlyOwner {
          swapEnabled = onoff;
      }
      function setMaxBuyAmount(uint256 _maxBuyAmount) public onlyOwner {
          require(_maxBuyAmount >= (totalSupply().mul(1).div(1000)), "Max buy amount cannot be lower than 0.1% total supply.");
          maxBuyAmount = _maxBuyAmount;
      }
      function setMaxSellAmount(uint256 _maxSellAmount) public onlyOwner {
          require(_maxSellAmount >= (totalSupply().mul(1).div(1000)), "Max sell amount cannot be lower than 0.1% total supply.");
          maxSellAmount = _maxSellAmount;
      }
      
      function setMaxWalletAmount(uint256 _maxWalletAmount) public onlyOwner {
          require(_maxWalletAmount >= (totalSupply().mul(1).div(1000)), "Max wallet amount cannot be lower than 0.1% total supply.");
          maxWalletAmount = _maxWalletAmount;
      }
      
      function setSwapTokensAtAmount(uint256 swapTokensAtAmount) public onlyOwner {
          require(swapTokensAtAmount >= (totalSupply().mul(1).div(100000)), "Swap amount cannot be lower than 0.001% total supply.");
          require(swapTokensAtAmount <= (totalSupply().mul(5).div(1000)), "Swap amount cannot be higher than 1% total supply.");
          _swapTokensAtAmount = swapTokensAtAmount;
      }
      function setMktgWallet(address mktgWallet) public onlyOwner {
          require(mktgWallet != ZERO, "_mktgWallet address cannot be 0");
          _excludedFees[_mktgWallet] = false;
          _excludedMaxTx[_mktgWallet] = false;
          _mktgWallet = payable(mktgWallet);
          _excludedFees[_mktgWallet] = true;
          _excludedMaxTx[_mktgWallet] = true;
      }
      function setDevWallet(address devWallet) public onlyOwner {
          require(devWallet != ZERO, "_devWallet address cannot be 0");
          _excludedFees[_devWallet] = false;
          _excludedMaxTx[_devWallet] = false;
          _devWallet = payable(devWallet);
          _excludedFees[_devWallet] = true;
          _excludedMaxTx[_devWallet] = true;
      }
      function setLiqWallet(address liqWallet) public onlyOwner {
          require(liqWallet != ZERO, "_liqWallet address cannot be 0");
          _excludedFees[_liqWallet] = false;
          _excludedMaxTx[_liqWallet] = false;
          _liqWallet = payable(liqWallet);
          _excludedFees[_liqWallet] = true;
          _excludedMaxTx[_liqWallet] = true;
      }
      function excludeFees(address[] memory accounts, bool exclude) public onlyOwner {
          for (uint i = 0; i < accounts.length; i++) _excludedFees[accounts[i]] = exclude;
      }
      
      function excludeMaxTx(address[] memory accounts, bool exclude) public onlyOwner {
          for (uint i = 0; i < accounts.length; i++) _excludedMaxTx[accounts[i]] = exclude;
      }
      
      function bots(address[] memory accounts, bool bl) public onlyOwner {
          for (uint i = 0; i < accounts.length; i++) {
              if((accounts[i] != uniswapV2Pair) && (accounts[i] != address(this)) && (accounts[i] != address(uniswapV2Router))) _isBot[accounts[i]] = bl;
          }
      }
      function buyFee(uint256 _buyMktgFee, uint256 _buyDevFee, uint256 _buyLiqFee) public onlyOwner {
          require(_buyMktgFee.add(_buyDevFee).add(_buyLiqFee) <= 300, "Must keep buy taxes below 30%");
          buyMktgFee = _buyMktgFee;
          buyDevFee = _buyDevFee;
          buyLiqFee = _buyLiqFee;
      }
      function sellFee(uint256 _sellMktgFee, uint256 _sellDevFee, uint256 _sellLiqFee) public onlyOwner {
          require(_sellMktgFee.add(_sellDevFee).add(_sellLiqFee) <= 300, "Must keep sell taxes below 30%");
          sellMktgFee = _sellMktgFee;
          sellDevFee = _sellDevFee;
          sellLiqFee = _sellLiqFee;
      }
      function removeAllFee() internal {
          if (buyMktgFee == 0 && buyDevFee == 0 && buyLiqFee == 0 && sellMktgFee == 0 && sellDevFee == 0 && sellLiqFee == 0) return;
          _previousBuyMktgFee = buyMktgFee;
          _previousBuyDevFee = buyDevFee;
          _previousBuyLiqFee = buyLiqFee;
          _previousSellMktgFee = sellMktgFee;
          _previousSellDevFee = sellDevFee;
          _previousSellLiqFee = sellLiqFee;
          
          buyMktgFee = 0;
          buyDevFee = 0;
          buyLiqFee = 0;
          sellMktgFee = 0;
          sellDevFee = 0;
          sellLiqFee = 0;
      }
      
      function restoreAllFee() internal {
          buyMktgFee = _previousBuyMktgFee;
          buyDevFee = _previousBuyDevFee;
          buyLiqFee = _previousBuyLiqFee;
          sellMktgFee = _previousSellMktgFee;
          sellDevFee = _previousSellDevFee;
          sellLiqFee = _previousSellLiqFee;
      }
          
      function _tokenTransfer(address sender, address recipient, uint256 amount, bool takeFee, bool isSell) internal {
          if (!takeFee) removeAllFee();
          else amount = _takeFees(sender, amount, isSell);
          super._transfer(sender, recipient, amount);
          
          if (!takeFee) restoreAllFee();
      }
      function _takeFees(address sender, uint256 amount, bool isSell) internal returns (uint256) {
          if (isSell) _setSell();
          else _setBuy();
          
          uint256 fees;
          if (_totalFees > 0) {
              fees = amount.mul(_totalFees).div(FEE_DIVISOR);
              _tokensForMktg += fees * _mktgFee / _totalFees;
              _tokensForDev += fees * _devFee / _totalFees;
              _tokensForLiq += fees * _devFee / _totalFees;
          }
          if (fees > 0) super._transfer(sender, address(this), fees);
          return amount -= fees;
      }
      function _setSell() internal {
          _mktgFee = sellMktgFee;
          _devFee = sellDevFee;
          _liqFee = sellLiqFee;
          _totalFees = _mktgFee.add(_devFee).add(_liqFee);
      }
      function _setBuy() internal {
          _mktgFee = buyMktgFee;
          _devFee = buyDevFee;
          _liqFee = buyLiqFee;
          _totalFees = _mktgFee.add(_devFee).add(_liqFee);
      }
      
      function unclog() public onlyOwner {
          uint256 contractBalance = balanceOf(address(this));
          swapTokensForETH(contractBalance);
      }
      
      function sendFees() public onlyOwner {
          uint256 contractETHBalance = address(this).balance;
          sendETHToFee(contractETHBalance);
      }
      function rescueETH() public onlyOwner {
          bool success;
          (success,) = address(msg.sender).call{value: address(this).balance}("");
      }
      function rescueForeignTokens(address tkn) public onlyOwner {
          require(tkn != address(this), "Cannot withdraw this token");
          require(IERC20(tkn).balanceOf(address(this)) > 0, "No tokens");
          uint amount = IERC20(tkn).balanceOf(address(this));
          IERC20(tkn).transfer(msg.sender, amount);
      }
      function removeLimits() public onlyOwner {
          maxBuyAmount = _tSupply;
          maxSellAmount = _tSupply;
          maxWalletAmount = _tSupply;
      }
      receive() external payable {}
      fallback() external payable {}
  }