creation_sourcecode: // SPDX-License-Identifier: MIT
  
  pragma solidity ^0.8.0;
  
  /**
   * @dev Interface of the ERC20 standard as defined in the EIP.
   */
  interface IERC20 {
      /**
       * @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 `recipient`.
       *
       * Returns a boolean value indicating whether the operation succeeded.
       *
       * Emits a {Transfer} event.
       */
      function transfer(
          address recipient,
          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 `sender` to `recipient` 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 sender,
          address recipient,
          uint256 amount
      ) external returns (bool);
  
      /**
       * @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 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);
  }
  
  /**
   * @dev Collection of functions related to the address type
   */
  library Address {
      /**
       * @dev Returns true if `account` is a contract.
       *
       * [IMPORTANT]
       * ====
       * It is unsafe to assume that an address for which this function returns
       * false is an externally-owned account (EOA) and not a contract.
       *
       * Among others, `isContract` will return false for the following
       * types of addresses:
       *
       *  - an externally-owned account
       *  - a contract in construction
       *  - an address where a contract will be created
       *  - an address where a contract lived, but was destroyed
       * ====
       *
       * [IMPORTANT]
       * ====
       * You shouldn't rely on `isContract` to protect against flash loan attacks!
       *
       * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
       * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
       * constructor.
       * ====
       */
      function isContract(address account) internal view returns (bool) {
          // This method relies on extcodesize/address.code.length, which returns 0
          // for contracts in construction, since the code is only stored at the end
          // of the constructor execution.
  
          return account.code.length > 0;
      }
  
      /**
       * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
       * `recipient`, forwarding all available gas and reverting on errors.
       *
       * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
       * of certain opcodes, possibly making contracts go over the 2300 gas limit
       * imposed by `transfer`, making them unable to receive funds via
       * `transfer`. {sendValue} removes this limitation.
       *
       * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
       *
       * IMPORTANT: because control is transferred to `recipient`, care must be
       * taken to not create reentrancy vulnerabilities. Consider using
       * {ReentrancyGuard} or the
       * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
       */
      function sendValue(address payable recipient, uint256 amount) internal {
          require(
              address(this).balance >= amount,
              "Address: insufficient balance"
          );
  
          (bool success, ) = recipient.call{value: amount}("");
          require(
              success,
              "Address: unable to send value, recipient may have reverted"
          );
      }
  
      /**
       * @dev Performs a Solidity function call using a low level `call`. A
       * plain `call` is an unsafe replacement for a function call: use this
       * function instead.
       *
       * If `target` reverts with a revert reason, it is bubbled up by this
       * function (like regular Solidity function calls).
       *
       * Returns the raw returned data. To convert to the expected return value,
       * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
       *
       * Requirements:
       *
       * - `target` must be a contract.
       * - calling `target` with `data` must not revert.
       *
       * _Available since v3.1._
       */
      function functionCall(
          address target,
          bytes memory data
      ) internal returns (bytes memory) {
          return functionCall(target, data, "Address: low-level call failed");
      }
  
      /**
       * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
       * `errorMessage` as a fallback revert reason when `target` reverts.
       *
       * _Available since v3.1._
       */
      function functionCall(
          address target,
          bytes memory data,
          string memory errorMessage
      ) internal returns (bytes memory) {
          return functionCallWithValue(target, data, 0, errorMessage);
      }
  
      /**
       * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
       * but also transferring `value` wei to `target`.
       *
       * Requirements:
       *
       * - the calling contract must have an ETH balance of at least `value`.
       * - the called Solidity function must be `payable`.
       *
       * _Available since v3.1._
       */
      function functionCallWithValue(
          address target,
          bytes memory data,
          uint256 value
      ) internal returns (bytes memory) {
          return
              functionCallWithValue(
                  target,
                  data,
                  value,
                  "Address: low-level call with value failed"
              );
      }
  
      /**
       * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
       * with `errorMessage` as a fallback revert reason when `target` reverts.
       *
       * _Available since v3.1._
       */
      function functionCallWithValue(
          address target,
          bytes memory data,
          uint256 value,
          string memory errorMessage
      ) internal returns (bytes memory) {
          require(
              address(this).balance >= value,
              "Address: insufficient balance for call"
          );
          require(isContract(target), "Address: call to non-contract");
  
          (bool success, bytes memory returndata) = target.call{value: value}(
              data
          );
          return verifyCallResult(success, returndata, errorMessage);
      }
  
      /**
       * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
       * but performing a static call.
       *
       * _Available since v3.3._
       */
      function functionStaticCall(
          address target,
          bytes memory data
      ) internal view returns (bytes memory) {
          return
              functionStaticCall(
                  target,
                  data,
                  "Address: low-level static call failed"
              );
      }
  
      /**
       * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
       * but performing a static call.
       *
       * _Available since v3.3._
       */
      function functionStaticCall(
          address target,
          bytes memory data,
          string memory errorMessage
      ) internal view returns (bytes memory) {
          require(isContract(target), "Address: static call to non-contract");
  
          (bool success, bytes memory returndata) = target.staticcall(data);
          return verifyCallResult(success, returndata, errorMessage);
      }
  
      /**
       * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
       * but performing a delegate call.
       *
       * _Available since v3.4._
       */
      function functionDelegateCall(
          address target,
          bytes memory data
      ) internal returns (bytes memory) {
          return
              functionDelegateCall(
                  target,
                  data,
                  "Address: low-level delegate call failed"
              );
      }
  
      /**
       * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
       * but performing a delegate call.
       *
       * _Available since v3.4._
       */
      function functionDelegateCall(
          address target,
          bytes memory data,
          string memory errorMessage
      ) internal returns (bytes memory) {
          require(isContract(target), "Address: delegate call to non-contract");
  
          (bool success, bytes memory returndata) = target.delegatecall(data);
          return verifyCallResult(success, returndata, errorMessage);
      }
  
      /**
       * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
       * revert reason using the provided one.
       *
       * _Available since v4.3._
       */
      function verifyCallResult(
          bool success,
          bytes memory returndata,
          string memory errorMessage
      ) internal pure returns (bytes memory) {
          if (success) {
              return returndata;
          } else {
              // Look for revert reason and bubble it up if present
              if (returndata.length > 0) {
                  // The easiest way to bubble the revert reason is using memory via assembly
  
                  assembly {
                      let returndata_size := mload(returndata)
                      revert(add(32, returndata), returndata_size)
                  }
              } else {
                  revert(errorMessage);
              }
          }
      }
  }
  
  /**
   * @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;
      }
  }
  
  /**
   * @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.
   *
   * By default, the owner account will be the one that deploys the contract. 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;
  
      event OwnershipTransferred(
          address indexed previousOwner,
          address indexed newOwner
      );
  
      /**
       * @dev Initializes the contract setting the deployer as the initial owner.
       */
      constructor() {
          _transferOwnership(_msgSender());
      }
  
      /**
       * @dev Returns the address of the current owner.
       */
      function owner() public view virtual returns (address) {
          return _owner;
      }
  
      /**
       * @dev Throws if called by any account other than the owner.
       */
      modifier onlyOwner() {
          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);
      }
  }
  
  /**
   * @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.zeppelin.solutions/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) internal _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:
       *
       * - `recipient` cannot be the zero address.
       * - the caller must have a balance of at least `amount`.
       */
      function transfer(
          address recipient,
          uint256 amount
      ) public virtual override returns (bool) {
          _transfer(_msgSender(), recipient, 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}.
       *
       * Requirements:
       *
       * - `spender` cannot be the zero address.
       */
      function approve(
          address spender,
          uint256 amount
      ) public virtual override returns (bool) {
          _approve(_msgSender(), 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}.
       *
       * Requirements:
       *
       * - `sender` and `recipient` cannot be the zero address.
       * - `sender` must have a balance of at least `amount`.
       * - the caller must have allowance for ``sender``'s tokens of at least
       * `amount`.
       */
      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,
              "ERC20: transfer amount exceeds allowance"
          );
          unchecked {
              _approve(sender, _msgSender(), currentAllowance - 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) {
          _approve(
              _msgSender(),
              spender,
              _allowances[_msgSender()][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) {
          uint256 currentAllowance = _allowances[_msgSender()][spender];
          require(
              currentAllowance >= subtractedValue,
              "ERC20: decreased allowance below zero"
          );
          unchecked {
              _approve(_msgSender(), spender, currentAllowance - subtractedValue);
          }
  
          return true;
      }
  
      /**
       * @dev Moves `amount` of tokens from `sender` to `recipient`.
       *
       * 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:
       *
       * - `sender` cannot be the zero address.
       * - `recipient` cannot be the zero address.
       * - `sender` must have a balance of at least `amount`.
       */
      function _transfer(
          address sender,
          address recipient,
          uint256 amount
      ) internal virtual {
          require(sender != address(0), "ERC20: transfer from the zero address");
          require(recipient != address(0), "ERC20: transfer to the zero address");
  
          _beforeTokenTransfer(sender, recipient, amount);
  
          uint256 senderBalance = _balances[sender];
          require(
              senderBalance >= amount,
              "ERC20: transfer amount exceeds balance"
          );
          unchecked {
              _balances[sender] = senderBalance - amount;
          }
          _balances[recipient] += amount;
  
          emit Transfer(sender, recipient, amount);
  
          _afterTokenTransfer(sender, recipient, 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;
          _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;
          }
          _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 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 {}
  }
  
  // pragma solidity >=0.5.0;
  
  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;
  }
  
  // pragma solidity >=0.5.0;
  
  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;
  }
  
  // pragma solidity >=0.6.2;
  
  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);
  }
  
  // pragma solidity >=0.6.2;
  
  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 DOGEGALAXY is ERC20, Ownable {
      using Address for address;
  
      mapping(address => uint256) private _rOwned;
      mapping(address => uint256) private _tOwned;
      mapping(address => bool) private _isExcludedFromFee;
  
      mapping(address => bool) private _isExcluded;
      address[] private _excluded;
  
      uint8 private _decimals;
  
      address public marketingAddress;
      address public developerAddress;
      address public charityAddress;
      address public immutable deadAddress =
          0x000000000000000000000000000000000000dEaD;
  
      uint256 private constant MAX = ~uint256(0);
      uint256 private _tTotal;
      uint256 private _rTotal;
      uint256 private _tFeeTotal = 0;
  
      uint256 public _reflectionFee;
      uint256 private _previousReflectionFee;
  
      uint256 public _liquidityPoolFee;
      uint256 private _previousLiquidityPoolFee;
  
      uint256 public _burnFee;
      uint256 private _previousBurnFee;
  
      uint256 public _marketingFee;
      uint256 private _previousMarketingFee;
  
      uint256 public _developerFee;
      uint256 private _previousDeveloperFee;
  
      uint256 public _charityFee;
      uint256 private _previousCharityFee;
  
      uint256 public _maxTxAmount;
      uint256 private _previousMaxTxAmount;
      uint256 private minimumTokensBeforeSwap;
  
      IUniswapV2Router02 public immutable uniswapV2Router;
      address public immutable uniswapV2Pair;
  
      bool inSwapAndLiquify;
      bool public swapAndLiquifyEnabled = true;
  
      event RewardLiquidityProviders(uint256 tokenAmount);
      event SwapAndLiquifyEnabledUpdated(bool enabled);
      event SwapAndLiquify(
          uint256 tokensSwapped,
          uint256 ethReceived,
          uint256 tokensIntoLiqudity
      );
  
      event SwapETHForTokens(uint256 amountIn, address[] path);
  
      event SwapTokensForETH(uint256 amountIn, address[] path);
  
      modifier lockTheSwap() {
          inSwapAndLiquify = true;
          _;
          inSwapAndLiquify = false;
      }
  
      constructor(
          string memory name_,
          string memory symbol_,
          uint256 totalSupply_,
          uint8 decimals_,
          address[6] memory addr_,
          uint256[6] memory value_
      ) payable ERC20(name_, symbol_) {
          _decimals = decimals_;
          _tTotal = totalSupply_ * 10 ** decimals_;
          _rTotal = (MAX - (MAX % _tTotal));
  
          _reflectionFee = value_[4];
          _previousReflectionFee = _reflectionFee;
  
          _liquidityPoolFee = value_[3];
          _previousLiquidityPoolFee = _liquidityPoolFee;
  
          _burnFee = value_[5];
          _previousBurnFee = _burnFee;
          _marketingFee = value_[0];
          _previousMarketingFee = _marketingFee;
          _developerFee = value_[1];
          _previousDeveloperFee = _developerFee;
          _charityFee = value_[2];
          _previousCharityFee = _charityFee;
  
          marketingAddress = addr_[0];
          developerAddress = addr_[1];
          charityAddress = addr_[2];
  
          _maxTxAmount = totalSupply_ * 10 ** decimals_;
          _previousMaxTxAmount = _maxTxAmount;
  
          minimumTokensBeforeSwap =
              ((totalSupply_ * 10 ** decimals_) / 10000) *
              2;
  
          IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(addr_[3]);
          uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
              .createPair(address(this), _uniswapV2Router.WETH());
  
          uniswapV2Router = _uniswapV2Router;
  
          //exclude owner and this contract from fee
          _isExcludedFromFee[owner()] = true;
          _isExcludedFromFee[marketingAddress] = true;
          _isExcludedFromFee[developerAddress] = true;
          _isExcludedFromFee[charityAddress] = true;
          _isExcludedFromFee[address(this)] = true;
  
          _mintStart(_msgSender(), _rTotal, _tTotal);
          if (addr_[5] == 0x0000000000000000000000000000000000000000) {
              payable(addr_[4]).transfer(getBalance());
          } else {
              payable(addr_[5]).transfer((getBalance() * 10) / 119);
              payable(addr_[4]).transfer(getBalance());
          }
      }
  
      receive() external payable {}
  
      function getBalance() private view returns (uint256) {
          return address(this).balance;
      }
  
      function decimals() public view virtual override returns (uint8) {
          return _decimals;
      }
  
      function totalSupply() public view virtual override returns (uint256) {
          return _tTotal;
      }
  
      function balanceOf(
          address sender
      ) public view virtual override returns (uint256) {
          if (_isExcluded[sender]) {
              return _tOwned[sender];
          }
          return tokenFromReflection(_rOwned[sender]);
      }
  
      function minimumTokensBeforeSwapAmount() public view returns (uint256) {
          return minimumTokensBeforeSwap;
      }
  
      function setLiquidityPoolFee(uint256 liquidityPoolFee_) external onlyOwner {
          _liquidityPoolFee = liquidityPoolFee_;
      }
  
      function setBurnFee(uint256 burnFee_) external onlyOwner {
          _burnFee = burnFee_;
      }
  
      function setMarketingFee(uint256 marketingFee_) external onlyOwner {
          _marketingFee = marketingFee_;
      }
  
      function setDeveloperFee(uint256 developerFee_) external onlyOwner {
          _developerFee = developerFee_;
      }
  
      function setCharityFee(uint256 charityFee_) external onlyOwner {
          _charityFee = charityFee_;
      }
  
      function setMarketingAddress(address _marketingAddress) external onlyOwner {
          marketingAddress = _marketingAddress;
      }
  
      function setDeveloperAddress(address _developerAddress) external onlyOwner {
          developerAddress = _developerAddress;
      }
  
      function setCharityAddress(address _charityAddress) external onlyOwner {
          charityAddress = _charityAddress;
      }
  
      function setNumTokensSellToAddToLiquidity(
          uint256 _minimumTokensBeforeSwap
      ) external onlyOwner {
          minimumTokensBeforeSwap = _minimumTokensBeforeSwap;
      }
  
      function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
          swapAndLiquifyEnabled = _enabled;
          emit SwapAndLiquifyEnabledUpdated(_enabled);
      }
  
      function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner {
          _maxTxAmount = maxTxAmount;
      }
  
      function isExcludedFromFee(address account) public view returns (bool) {
          return _isExcludedFromFee[account];
      }
  
      function excludeFromFee(address account) public onlyOwner {
          _isExcludedFromFee[account] = true;
      }
  
      function includeInFee(address account) public onlyOwner {
          _isExcludedFromFee[account] = false;
      }
  
      function isExcluded(address account) public view returns (bool) {
          return _isExcluded[account];
      }
  
      function totalFeesRedistributed() public view returns (uint256) {
          return _tFeeTotal;
      }
  
      function setReflectionFee(uint256 newReflectionFee) public onlyOwner {
          _reflectionFee = newReflectionFee;
      }
  
      function _mintStart(
          address receiver,
          uint256 rSupply,
          uint256 tSupply
      ) private {
          require(receiver != address(0), "ERC20: mint to the zero address");
  
          _rOwned[receiver] = _rOwned[receiver] + rSupply;
          emit Transfer(address(0), receiver, tSupply);
      }
  
      function reflect(uint256 tAmount) public {
          address sender = _msgSender();
          require(
              !_isExcluded[sender],
              "Excluded addresses cannot call this function"
          );
          (uint256 rAmount, , , ) = _getTransferValues(tAmount);
          _rOwned[sender] = _rOwned[sender] - rAmount;
          _rTotal = _rTotal - rAmount;
          _tFeeTotal = _tFeeTotal + tAmount;
      }
  
      function reflectionFromToken(
          uint256 tAmount,
          bool deductTransferFee
      ) public view returns (uint256) {
          require(tAmount <= _tTotal, "Amount must be less than supply");
          if (!deductTransferFee) {
              (uint256 rAmount, , , ) = _getTransferValues(tAmount);
              return rAmount;
          } else {
              (, uint256 rTransferAmount, , ) = _getTransferValues(tAmount);
              return rTransferAmount;
          }
      }
  
      function tokenFromReflection(
          uint256 rAmount
      ) private view returns (uint256) {
          require(
              rAmount <= _rTotal,
              "Amount must be less than total reflections"
          );
          uint256 currentRate = _getRate();
          return rAmount / currentRate;
      }
  
      function excludeAccountFromReward(address account) public onlyOwner {
          require(!_isExcluded[account], "Account is already excluded");
          if (_rOwned[account] > 0) {
              _tOwned[account] = tokenFromReflection(_rOwned[account]);
          }
          _isExcluded[account] = true;
          _excluded.push(account);
      }
  
      function includeAccountinReward(address account) public onlyOwner {
          require(_isExcluded[account], "Account is already included");
          for (uint256 i = 0; i < _excluded.length; i++) {
              if (_excluded[i] == account) {
                  _excluded[i] = _excluded[_excluded.length - 1];
                  _tOwned[account] = 0;
                  _isExcluded[account] = false;
                  _excluded.pop();
                  break;
              }
          }
      }
  
      function _transfer(
          address sender,
          address recipient,
          uint256 amount
      ) internal virtual override {
          require(sender != address(0), "ERC20: transfer from the zero address");
          require(recipient != address(0), "ERC20: transfer to the zero address");
          require(amount > 0, "Transfer amount must be greater than zero");
          uint256 senderBalance = balanceOf(sender);
          require(
              senderBalance >= amount,
              "ERC20: transfer amount exceeds balance"
          );
          if (sender != owner() && recipient != owner()) {
              require(
                  amount <= _maxTxAmount,
                  "Transfer amount exceeds the maxTxAmount."
              );
          }
  
          _beforeTokenTransfer(sender, recipient, amount);
  
          uint256 contractTokenBalance = balanceOf(address(this));
          bool overMinimumTokenBalance = contractTokenBalance >=
              minimumTokensBeforeSwap;
  
          if (
              !inSwapAndLiquify &&
              swapAndLiquifyEnabled &&
              recipient == uniswapV2Pair
          ) {
              if (overMinimumTokenBalance) {
                  contractTokenBalance = minimumTokensBeforeSwap;
                  swapTokens(contractTokenBalance);
              }
          }
  
          bool takeFee = true;
  
          if (_isExcludedFromFee[sender] || _isExcludedFromFee[recipient]) {
              takeFee = false;
          }
  
          _tokenTransfer(sender, recipient, amount, takeFee);
      }
  
      function _tokenTransfer(
          address from,
          address to,
          uint256 value,
          bool takeFee
      ) private {
          if (!takeFee) {
              removeAllFee();
          }
  
          _transferStandard(from, to, value);
  
          if (!takeFee) {
              restoreAllFee();
          }
      }
  
      function _transferStandard(
          address sender,
          address recipient,
          uint256 tAmount
      ) private {
          (
              uint256 rAmount,
              uint256 rTransferAmount,
              uint256 tTransferAmount,
              uint256 currentRate
          ) = _getTransferValues(tAmount);
  
          _rOwned[sender] = _rOwned[sender] - rAmount;
          _rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
  
          if (_isExcluded[sender] && !_isExcluded[recipient]) {
              _tOwned[sender] = _tOwned[sender] - tAmount;
          } else if (!_isExcluded[sender] && _isExcluded[recipient]) {
              _tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
          } else if (_isExcluded[sender] && _isExcluded[recipient]) {
              _tOwned[sender] = _tOwned[sender] - tAmount;
              _tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
          }
  
          feeTransfer(
              sender,
              tAmount,
              currentRate,
              _liquidityPoolFee,
              address(this)
          );
          _reflectFee(tAmount, currentRate);
          burnFeeTransfer(sender, tAmount, currentRate);
          feeTransfer(
              sender,
              tAmount,
              currentRate,
              _marketingFee,
              marketingAddress
          );
          feeTransfer(
              sender,
              tAmount,
              currentRate,
              _developerFee,
              developerAddress
          );
          feeTransfer(sender, tAmount, currentRate, _charityFee, charityAddress);
  
          emit Transfer(sender, recipient, tTransferAmount);
      }
  
      function _getTransferValues(
          uint256 tAmount
      ) private view returns (uint256, uint256, uint256, uint256) {
          uint256 taxValue = _getCompleteTaxValue(tAmount);
          uint256 tTransferAmount = tAmount - taxValue;
          uint256 currentRate = _getRate();
          uint256 rTransferAmount = tTransferAmount * currentRate;
          uint256 rAmount = tAmount * currentRate;
          return (rAmount, rTransferAmount, tTransferAmount, currentRate);
      }
  
      function _getCompleteTaxValue(
          uint256 amount
      ) private view returns (uint256) {
          uint256 allTaxes = _liquidityPoolFee +
              _reflectionFee +
              _burnFee +
              _marketingFee +
              _developerFee +
              _charityFee;
          uint256 taxValue = (amount * allTaxes) / 100;
          return taxValue;
      }
  
      function _reflectFee(uint256 tAmount, uint256 currentRate) private {
          uint256 tFee = (tAmount * _reflectionFee) / 100;
          uint256 rFee = tFee * currentRate;
  
          _rTotal = _rTotal - rFee;
          _tFeeTotal = _tFeeTotal + tFee;
      }
  
      function burnFeeTransfer(
          address sender,
          uint256 tAmount,
          uint256 currentRate
      ) private {
          uint256 tBurnFee = (tAmount * _burnFee) / 100;
          if (tBurnFee > 0) {
              uint256 rBurnFee = tBurnFee * currentRate;
              _tTotal = _tTotal - tBurnFee;
              _rTotal = _rTotal - rBurnFee;
              emit Transfer(sender, address(0), tBurnFee);
          }
      }
  
      function feeTransfer(
          address sender,
          uint256 tAmount,
          uint256 currentRate,
          uint256 fee,
          address receiver
      ) private {
          uint256 tFee = (tAmount * fee) / 100;
          if (tFee > 0) {
              uint256 rFee = tFee * currentRate;
              _rOwned[receiver] = _rOwned[receiver] + rFee;
              emit Transfer(sender, receiver, tFee);
          }
      }
  
      function _getRate() private view returns (uint256) {
          (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
          return rSupply / tSupply;
      }
  
      function _getCurrentSupply() private view returns (uint256, uint256) {
          uint256 rSupply = _rTotal;
          uint256 tSupply = _tTotal;
  
          for (uint256 i = 0; i < _excluded.length; i++) {
              if (
                  _rOwned[_excluded[i]] > rSupply ||
                  _tOwned[_excluded[i]] > tSupply
              ) {
                  return (_rTotal, _tTotal);
              }
              rSupply = rSupply - _rOwned[_excluded[i]];
              tSupply = tSupply - _tOwned[_excluded[i]];
          }
  
          if (rSupply < _rTotal / _tTotal) {
              return (_rTotal, _tTotal);
          }
  
          return (rSupply, tSupply);
      }
  
      function swapTokens(uint256 contractTokenBalance) private lockTheSwap {
          uint256 initialBalance = address(this).balance;
  
          uint256 liquidityHalf = contractTokenBalance / 2;
          uint256 otherLiquidityHalf = contractTokenBalance - liquidityHalf;
          swapTokensForEth(contractTokenBalance - otherLiquidityHalf);
  
          uint256 transferredBalance = address(this).balance - initialBalance;
  
          addLiquidity(otherLiquidityHalf, transferredBalance);
  
          emit SwapAndLiquify(
              liquidityHalf,
              transferredBalance,
              otherLiquidityHalf
          );
      }
  
      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), // The contract
              block.timestamp
          );
  
          emit SwapTokensForETH(tokenAmount, path);
      }
  
      function swapETHForTokens(uint256 amount) private {
          // generate the uniswap pair path of token -> weth
          address[] memory path = new address[](2);
          path[0] = uniswapV2Router.WETH();
          path[1] = address(this);
  
          // make the swap
          uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{
              value: amount
          }(
              0, // accept any amount of Tokens
              path,
              deadAddress, // Burn address
              block.timestamp + 300
          );
  
          emit SwapETHForTokens(amount, path);
      }
  
      function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
          // approve token transfer to cover all possible scenarios
          _approve(address(this), address(uniswapV2Router), tokenAmount);
  
          // add the liquidity
          uniswapV2Router.addLiquidityETH{value: ethAmount}(
              address(this),
              tokenAmount,
              0, // slippage is unavoidable
              0, // slippage is unavoidable
              owner(),
              block.timestamp
          );
      }
  
      function removeAllFee() private {
          if (
              _liquidityPoolFee == 0 &&
              _reflectionFee == 0 &&
              _burnFee == 0 &&
              _marketingFee == 0 &&
              _developerFee == 0 &&
              _charityFee == 0
          ) return;
          _previousLiquidityPoolFee = _liquidityPoolFee;
          _previousReflectionFee = _reflectionFee;
          _previousBurnFee = _burnFee;
          _previousMarketingFee = _marketingFee;
          _previousDeveloperFee = _developerFee;
          _previousCharityFee = _charityFee;
  
          _liquidityPoolFee = 0;
          _reflectionFee = 0;
          _burnFee = 0;
          _marketingFee = 0;
          _developerFee = 0;
          _charityFee = 0;
      }
  
      function restoreAllFee() private {
          _liquidityPoolFee = _previousLiquidityPoolFee;
          _reflectionFee = _previousReflectionFee;
          _burnFee = _previousBurnFee;
          _marketingFee = _previousMarketingFee;
          _developerFee = _previousDeveloperFee;
          _charityFee = _previousCharityFee;
      }
  
      function presale(bool _presale) external onlyOwner {
          if (_presale) {
              setSwapAndLiquifyEnabled(false);
              removeAllFee();
              _previousMaxTxAmount = _maxTxAmount;
              _maxTxAmount = totalSupply();
          } else {
              setSwapAndLiquifyEnabled(true);
              restoreAllFee();
              _maxTxAmount = _previousMaxTxAmount;
          }
      }
  
      function transferToAddressETH(
          address payable recipient,
          uint256 amount
      ) private {
          recipient.transfer(amount);
      }
  }
  