/** 
 * Liquidity Dao $LIQUIDITY https://t.me/LiquidityDao
*/ 

// SPDX-License-Identifier: Unlicensed

/* 
     ███‰███████▓▓▓▓▓▓▓▓▒░░░░░▒▒░░░░░░░▓█████
     ██‰███████▓▓▓▓▓▓▓▓▒░░░░░▒▒▒░░░░░░░░▓████
     █‰███████▓▓▓▓▓▓▓▓▒░░░░░░▒▒▒░░░░░░░░░▓███
     ‰███████▓▓▓▓▓▓▓▓▒░░░░░░░▒▒▒░░░░░░░░░░███
     ███████▓▓▓▓▓▓▓▓▒░░▒▓░░░░░░░░░░░░░░░░░███
     ██████▓▓▓▓▓▓▓▓▒░▓████░░░░░▒▓░░░░░░░░░███
     █████▓▒▓▓▓▓▓▒░▒█████▓░░░░▓██▓░░░░░░░▒███
     ████▓▒▓▒▒▒░░▒███████░░░░▒████░░░░░░░░███
     ███▓▒▒▒░░▒▓████████▒░░░░▓████▒░░░░░░▒███
     ██▓▒▒░░▒██████████▓░░░░░▓█████░░░░░░░███
     ██▓▒░░███████████▓░░░░░░▒█████▓░░░░░░███
     ██▓▒░▒██████████▓▒▒▒░░░░░██████▒░░░░░▓██
     ██▓▒░░▒███████▓▒▒▒▒▒░░░░░▓██████▓░░░░▒██
     ███▒░░░░▒▒▒▒▒▒▒▒▒▒▒▒░░░░░░███████▓░░░▓██
     ███▓░░░░░▒▒▒▓▓▒▒▒▒░░░░░░░░░██████▓░░░███
     ████▓▒▒▒▒▓▓▓▓▓▓▒▒▓██▒░░░░░░░▓███▓░░░░███
     ██████████▓▓▓▓▒▒█████▓░░░░░░░░░░░░░░████
     █████████▓▓▓▓▒▒░▓█▓▓██░░░░░░░░░░░░░█████
     ███████▓▓▓▓▓▒▒▒░░░░░░▒░░░░░░░░░░░░██████
     ██████▓▓▓▓▓▓▒▒░░░░░░░░░░░░░░░░▒▓████████
     ██████▓▓▓▓▓▒▒▒░░░░░░░░░░░░░░░▓██████████
     ██████▓▓▓▓▒▒██████▒░░░░░░░░░▓███████████
     ██████▓▓▓▒▒█████████▒░░░░░░▓████████████
     ██████▓▓▒▒███████████░░░░░▒█████████████
     ██████▓▓░████████████░░░░▒██████████████
     ██████▓░░████████████░░░░███████████████
     ██████▓░▓███████████▒░░░████████████████
     ██████▓░███████████▓░░░█████████████████
     ██████▓░███████████░░░██████████████████
     ██████▓▒██████████░░░███████████████████
     ██████▒▒█████████▒░▓████████████████████
     ██████░▒████████▓░██████████████████████
     ██████░▓████████░███████████████████████
     ██████░████████░▒███████████████████████
     █████▓░███████▒░████████████████████████
     █████▒░███████░▓████████████████████████
     █████░▒██████░░█████████████████████████
     █████░▒█████▓░██████████████████████████
     █████░▓█████░▒██████████████████████████
     █████░▓████▒░███████████████████████████
     █████░▓███▓░▓██████████████████████████‰
     ██████░▓▓▒░▓██████████████████████████‰█
     ███████▒░▒███████████████████████████‰██
     ████████████████████████████████████‰███
*/

pragma solidity 0.8.12;
 
abstract contract Context {
     function _msgSender() internal view virtual returns (address) {
          return msg.sender;
     }
 
     function _msgData() internal view virtual returns (bytes calldata) {
          this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
          return msg.data;
     }
}
 
interface IUniswapV2Pair {
     event Approval(address indexed owner, address indexed spender, uint value);
     event Transfer(address indexed from, address indexed to, uint 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 (uint);
     function balanceOf(address owner) external view returns (uint);
     function allowance(address owner, address spender) external view returns (uint);
 
     function approve(address spender, uint value) external returns (bool);
     function transfer(address to, uint value) external returns (bool);
     function transferFrom(address from, address to, uint 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 (uint);
 
     function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
 
     event Mint(address indexed sender, uint amount0, uint amount1);
     event Swap(
          address indexed sender,
          uint amount0In,
          uint amount1In,
          uint amount0Out,
          uint amount1Out,
          address indexed to
     );
     event Sync(uint112 reserve0, uint112 reserve1);
 
     function MINIMUM_LIQUIDITY() external pure returns (uint);
     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 (uint);
     function price1CumulativeLast() external view returns (uint);
     function kLast() external view returns (uint);
 
     function mint(address to) external returns (uint liquidity);
     function burn(address to) external returns (uint amount0, uint amount1);
     function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
     function skim(address to) external;
     function sync() external;
 
     function initialize(address, address) external;
}
 
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 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);
}
 
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);
}
 
 
contract ERC20 is Context, IERC20, IERC20Metadata {
     using SafeMath for uint256;
 
     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:
      *
      * - `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);
          _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
          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].add(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) {
          _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
          return true;
     }
 
     /**
      * @dev Moves tokens `amount` from `sender` to `recipient`.
      *
      * This is 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);
 
          _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
          _balances[recipient] = _balances[recipient].add(amount);
          emit Transfer(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 = _totalSupply.add(amount);
          _balances[account] = _balances[account].add(amount);
          emit Transfer(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);
 
          _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
          _totalSupply = _totalSupply.sub(amount);
          emit Transfer(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 to 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 {}
}
 
library SafeMath {
     /**
      * @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) {
          uint256 c = a + b;
          require(c >= a, "SafeMath: addition overflow");
 
          return c;
     }
 
     /**
      * @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 sub(a, b, "SafeMath: subtraction overflow");
     }
 
     /**
      * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
      * overflow (when the result is negative).
      *
      * Counterpart to Solidity's `-` operator.
      *
      * Requirements:
      *
      * - Subtraction cannot overflow.
      */
     function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
          require(b <= a, errorMessage);
          uint256 c = a - b;
 
          return c;
     }
 
     /**
      * @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) {
          // 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 0;
          }
 
          uint256 c = a * b;
          require(c / a == b, "SafeMath: multiplication overflow");
 
          return c;
     }
 
     /**
      * @dev Returns the integer division of two unsigned integers. Reverts 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) internal pure returns (uint256) {
          return div(a, b, "SafeMath: division by zero");
     }
 
     /**
      * @dev Returns the integer division of two unsigned integers. Reverts 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) {
          require(b > 0, errorMessage);
          uint256 c = a / b;
          // assert(a == b * c + a % b); // There is no case in which this doesn't hold
 
          return c;
     }
 
     /**
      * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
      * Reverts 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 mod(a, b, "SafeMath: modulo by zero");
     }
 
     /**
      * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
      * Reverts with custom message 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, string memory errorMessage) internal pure returns (uint256) {
          require(b != 0, errorMessage);
          return a % b;
     }
}
 
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 () {
          address msgSender = _msgSender();
          _owner = msgSender;
          emit OwnershipTransferred(address(0), msgSender);
     }
 
     /**
      * @dev Returns the address of the current owner.
      */
     function owner() public view 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 {
          emit OwnershipTransferred(_owner, address(0));
          _owner = 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");
          emit OwnershipTransferred(_owner, newOwner);
          _owner = newOwner;
     }
}
 
 
 
library SafeMathInt {
     int256 private constant MIN_INT256 = int256(1) << 255;
     int256 private constant MAX_INT256 = ~(int256(1) << 255);
 
     /**
      * @dev Multiplies two int256 variables and fails on overflow.
      */
     function mul(int256 a, int256 b) internal pure returns (int256) {
          int256 c = a * b;
 
          // Detect overflow when multiplying MIN_INT256 with -1
          require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
          require((b == 0) || (c / b == a));
          return c;
     }
 
     /**
      * @dev Division of two int256 variables and fails on overflow.
      */
     function div(int256 a, int256 b) internal pure returns (int256) {
          // Prevent overflow when dividing MIN_INT256 by -1
          require(b != -1 || a != MIN_INT256);
 
          // Solidity already throws when dividing by 0.
          return a / b;
     }
 
     /**
      * @dev Subtracts two int256 variables and fails on overflow.
      */
     function sub(int256 a, int256 b) internal pure returns (int256) {
          int256 c = a - b;
          require((b >= 0 && c <= a) || (b < 0 && c > a));
          return c;
     }
 
     /**
      * @dev Adds two int256 variables and fails on overflow.
      */
     function add(int256 a, int256 b) internal pure returns (int256) {
          int256 c = a + b;
          require((b >= 0 && c >= a) || (b < 0 && c < a));
          return c;
     }
 
     /**
      * @dev Converts to absolute value, and fails on overflow.
      */
     function abs(int256 a) internal pure returns (int256) {
          require(a != MIN_INT256);
          return a < 0 ? -a : a;
     }
 
 
     function toUint256Safe(int256 a) internal pure returns (uint256) {
          require(a >= 0);
          return uint256(a);
     }
}
 
library SafeMathUint {
  function toInt256Safe(uint256 a) internal pure returns (int256) {
     int256 b = int256(a);
     require(b >= 0);
     return b;
  }
}
 
 
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 LiquidityDAO is ERC20, Ownable {
     using SafeMath for uint256;
 
     IUniswapV2Router02 public immutable uniswapV2Router;
     address public immutable uniswapV2Pair;
 
     bool private swapping;
 
     address private marketingWallet;
     address private devWallet;
 
     uint256 public maxTransactionAmount;
     uint256 public swapTokensAtAmount;
     uint256 public maxWallet;
 
     bool public limitsInEffect = true;
     bool public tradingActive = false;
     bool public swapEnabled = false;
     bool public enableEarlySellTax = true;
 
      // Anti-bot and anti-whale mappings and variables
     mapping(address => uint256) private _holderLastTransferTimestamp; // to hold last Transfers temporarily during launch
 
     // Seller Map
     mapping (address => uint256) private _holderFirstBuyTimestamp;
 
     // Blacklist Map
     mapping (address => bool) private _blacklist;
     bool public transferDelayEnabled = true;
 
     uint256 public buyTotalFees;
     uint256 public buyMarketingFee;
     uint256 public buyLiquidityFee;
     uint256 public buyDevFee;
 
     uint256 public sellTotalFees;
     uint256 public sellMarketingFee;
     uint256 public sellLiquidityFee;
     uint256 public sellDevFee;
 
     uint256 public earlySellLiquidityFee;
     uint256 public earlySellMarketingFee;
     uint256 public earlySellDevFee;
 
     uint256 public tokensForMarketing;
     uint256 public tokensForLiquidity;
     uint256 public tokensForDev;
 
     // block number of opened trading
     uint256 launchedAt;
 
     /******************/
 
     // exclude from fees and max transaction amount
     mapping (address => bool) private _isExcludedFromFees;
     mapping (address => bool) public _isExcludedMaxTransactionAmount;
 
     // store addresses that a automatic market maker pairs. Any transfer *to* these addresses
     // could be subject to a maximum transfer amount
     mapping (address => bool) public automatedMarketMakerPairs;
 
     event UpdateUniswapV2Router(address indexed newAddress, address indexed oldAddress);
 
     event ExcludeFromFees(address indexed account, bool isExcluded);
 
     event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
 
     event marketingWalletUpdated(address indexed newWallet, address indexed oldWallet);
 
     event devWalletUpdated(address indexed newWallet, address indexed oldWallet);
 
     event SwapAndLiquify(
          uint256 tokensSwapped,
          uint256 ethReceived,
          uint256 tokensIntoLiquidity
     );
 
     event AutoNukeLP();
 
     event ManualNukeLP();
 
     constructor() ERC20("Liquidity DAO", "LIQUIDITY") {
 
          IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
 
          excludeFromMaxTransaction(address(_uniswapV2Router), true);
          uniswapV2Router = _uniswapV2Router;
 
          uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
          excludeFromMaxTransaction(address(uniswapV2Pair), true);
          _setAutomatedMarketMakerPair(address(uniswapV2Pair), true);
 
          uint256 _buyMarketingFee = 1;
          uint256 _buyLiquidityFee = 2;
          uint256 _buyDevFee = 2;
 
          uint256 _sellMarketingFee = 1;
          uint256 _sellLiquidityFee = 2;
          uint256 _sellDevFee = 2;
 
          uint256 _earlySellLiquidityFee = 2;
          uint256 _earlySellMarketingFee = 4;
	     uint256 _earlySellDevFee = 3;
 
          uint256 totalSupply = 1 * 1e12 * 1e18;
 
          maxTransactionAmount = totalSupply * 10 / 1000; // 1% maxTransactionAmountTxn
          maxWallet = totalSupply * 20 / 1000; // 2% maxWallet
          swapTokensAtAmount = totalSupply * 10 / 10000; // 0.1% swap wallet
 
          buyMarketingFee = _buyMarketingFee;
          buyLiquidityFee = _buyLiquidityFee;
          buyDevFee = _buyDevFee;
          buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevFee;
 
          sellMarketingFee = _sellMarketingFee;
          sellLiquidityFee = _sellLiquidityFee;
          sellDevFee = _sellDevFee;
          sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee;
 
          earlySellLiquidityFee = _earlySellLiquidityFee;
          earlySellMarketingFee = _earlySellMarketingFee;
	     earlySellDevFee = _earlySellDevFee;
 
          marketingWallet = address(0x989A5411E516d4bbDFB34737ED767A8D12aaC4B3); // set as marketing wallet
          devWallet = address(owner()); // set as dev wallet
 
          // exclude from paying fees or having max transaction amount
          excludeFromFees(owner(), true);
          excludeFromFees(address(this), true);
          excludeFromFees(address(0xdead), true);
 
          excludeFromMaxTransaction(owner(), true);
          excludeFromMaxTransaction(address(this), true);
          excludeFromMaxTransaction(address(0xdead), true);
 
          /*
               _mint is an internal function in ERC20.sol that is only called here,
               and CANNOT be called ever again
          */
          _mint(msg.sender, totalSupply);
     }
 
     receive() external payable {
 
     }
 
     // once enabled, can never be turned off
     function enableTrading() external onlyOwner {
          tradingActive = true;
          swapEnabled = true;
          launchedAt = block.number;
     }
 
     // remove limits after token is stable
     function removeLimits() external onlyOwner returns (bool){
          limitsInEffect = false;
          return true;
     }
 
     // disable Transfer delay - cannot be reenabled
     function disableTransferDelay() external onlyOwner returns (bool){
          transferDelayEnabled = false;
          return true;
     }
 
     function setEarlySellTax(bool onoff) external onlyOwner  {
          enableEarlySellTax = onoff;
     }
 
      // change the minimum amount of tokens to sell from fees
     function updateSwapTokensAtAmount(uint256 newAmount) external onlyOwner returns (bool){
          require(newAmount >= totalSupply() * 1 / 100000, "Swap amount cannot be lower than 0.001% total supply.");
          require(newAmount <= totalSupply() * 5 / 1000, "Swap amount cannot be higher than 0.5% total supply.");
          swapTokensAtAmount = newAmount;
          return true;
     }
 
     function updateMaxTxnAmount(uint256 newNum) external onlyOwner {
          require(newNum >= (totalSupply() * 10 / 1000)/1e18, "Cannot set maxTransactionAmount lower than 1.0%..");
          maxTransactionAmount = newNum * (10**18);
     }
 
     function updateMaxWalletAmount(uint256 newNum) external onlyOwner {
          require(newNum >= (totalSupply() * 20 / 1000)/1e18, "Cannot set maxWallet lower than 2.0%..");
          maxWallet = newNum * (10**18);
     }
 
     function excludeFromMaxTransaction(address updAds, bool isEx) public onlyOwner {
          _isExcludedMaxTransactionAmount[updAds] = isEx;
     }
 
     // only use to disable contract sales if absolutely necessary (emergency use only)
     function updateSwapEnabled(bool enabled) external onlyOwner(){
          swapEnabled = enabled;
     }
 
     function updateBuyFees(uint256 _marketingFee, uint256 _liquidityFee, uint256 _devFee) external onlyOwner {
          buyMarketingFee = _marketingFee;
          buyLiquidityFee = _liquidityFee;
          buyDevFee = _devFee;
          buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevFee;
          require(buyTotalFees <= 10, "Must keep fees at 10% or less");
     }
 
     function updateSellFees(uint256 _marketingFee, uint256 _liquidityFee, uint256 _devFee, uint256 _earlySellLiquidityFee, uint256 _earlySellMarketingFee, uint256 _earlySellDevFee) external onlyOwner {
          sellMarketingFee = _marketingFee;
          sellLiquidityFee = _liquidityFee;
          sellDevFee = _devFee;
          earlySellLiquidityFee = _earlySellLiquidityFee;
          earlySellMarketingFee = _earlySellMarketingFee;
	     earlySellDevFee = _earlySellDevFee;
          sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee;
          require(sellTotalFees <= 22, "Must keep fees at 22% or less");
     }
 
     function excludeFromFees(address account, bool excluded) public onlyOwner {
          _isExcludedFromFees[account] = excluded;
          emit ExcludeFromFees(account, excluded);
     }
 
     function blacklistAccount(address account, bool isBlacklisted) public onlyOwner {
          _blacklist[account] = isBlacklisted;
     }
 
     function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner {
          require(pair != uniswapV2Pair, "The pair cannot be removed from automatedMarketMakerPairs");
 
          _setAutomatedMarketMakerPair(pair, value);
     }
 
     function _setAutomatedMarketMakerPair(address pair, bool value) private {
          automatedMarketMakerPairs[pair] = value;
 
          emit SetAutomatedMarketMakerPair(pair, value);
     }
 
     function updateMarketingWallet(address newMarketingWallet) external onlyOwner {
          emit marketingWalletUpdated(newMarketingWallet, marketingWallet);
          marketingWallet = newMarketingWallet;
     }
 
     function updateDevWallet(address newWallet) external onlyOwner {
          emit devWalletUpdated(newWallet, devWallet);
          devWallet = newWallet;
     }
 
 
     function isExcludedFromFees(address account) public view returns(bool) {
          return _isExcludedFromFees[account];
     }
 
     event BoughtEarly(address indexed sniper);
 
     function _transfer(
          address from,
          address to,
          uint256 amount
     ) internal override {
          require(from != address(0), "ERC20: transfer from the zero address");
          require(to != address(0), "ERC20: transfer to the zero address");
          require(!_blacklist[to] && !_blacklist[from], "You have been blacklisted from transfering tokens");
           if(amount == 0) {
               super._transfer(from, to, 0);
               return;
          }
 
          if(limitsInEffect){
               if (
                    from != owner() &&
                    to != owner() &&
                    to != address(0) &&
                    to != address(0xdead) &&
                    !swapping
               ){
                    if(!tradingActive){
                         require(_isExcludedFromFees[from] || _isExcludedFromFees[to], "Trading is not active.");
                    }
 
                    // at launch if the transfer delay is enabled, ensure the block timestamps for purchasers is set -- during launch.  
                    if (transferDelayEnabled){
                         if (to != owner() && to != address(uniswapV2Router) && to != address(uniswapV2Pair)){
                              require(_holderLastTransferTimestamp[tx.origin] < block.number, "_transfer:: Transfer Delay enabled.  Only one purchase per block allowed.");
                              _holderLastTransferTimestamp[tx.origin] = block.number;
                         }
                    }
 
                    //when buy
                    if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) {
                              require(amount <= maxTransactionAmount, "Buy transfer amount exceeds the maxTransactionAmount.");
                              require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
                    }
 
                    //when sell
                    else if (automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) {
                              require(amount <= maxTransactionAmount, "Sell transfer amount exceeds the maxTransactionAmount.");
                    }
                    else if(!_isExcludedMaxTransactionAmount[to]){
                         require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
                    }
               }
          }
 
          // early sell logic
          bool isBuy = from == uniswapV2Pair;
          if (!isBuy && enableEarlySellTax) {
               if (_holderFirstBuyTimestamp[from] != 0 &&
                    (_holderFirstBuyTimestamp[from] + (24 hours) >= block.timestamp))  {
                    sellLiquidityFee = earlySellLiquidityFee;
                    sellMarketingFee = earlySellMarketingFee;
		          sellDevFee = earlySellDevFee;
                    sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee;
               } else {
                    sellLiquidityFee = 2;
                    sellMarketingFee = 3;
                    sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee;
               }
          } else {
               if (_holderFirstBuyTimestamp[to] == 0) {
                    _holderFirstBuyTimestamp[to] = block.timestamp;
               }
 
               if (!enableEarlySellTax) {
                    sellLiquidityFee = 3;
                    sellMarketingFee = 6;
		          sellDevFee = 6;
                    sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee;
               }
          }
 
          uint256 contractTokenBalance = balanceOf(address(this));
 
          bool canSwap = contractTokenBalance >= swapTokensAtAmount;
 
          if( 
               canSwap &&
               swapEnabled &&
               !swapping &&
               !automatedMarketMakerPairs[from] &&
               !_isExcludedFromFees[from] &&
               !_isExcludedFromFees[to]
          ) {
               swapping = true;
 
               swapBack();
 
               swapping = false;
          }
 
          bool takeFee = !swapping;
 
          // if any account belongs to _isExcludedFromFee account then remove the fee
          if(_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
               takeFee = false;
          }
 
          uint256 fees = 0;
          // only take fees on buys/sells, do not take on wallet transfers
          if(takeFee){
               // on sell
               if (automatedMarketMakerPairs[to] && sellTotalFees > 0){
                    fees = amount.mul(sellTotalFees).div(100);
                    tokensForLiquidity += fees * sellLiquidityFee / sellTotalFees;
                    tokensForDev += fees * sellDevFee / sellTotalFees;
                    tokensForMarketing += fees * sellMarketingFee / sellTotalFees;
               }
               // on buy
               else if(automatedMarketMakerPairs[from] && buyTotalFees > 0) {
                    fees = amount.mul(buyTotalFees).div(100);
                    tokensForLiquidity += fees * buyLiquidityFee / buyTotalFees;
                    tokensForDev += fees * buyDevFee / buyTotalFees;
                    tokensForMarketing += fees * buyMarketingFee / buyTotalFees;
               }
 
               if(fees > 0){     
                    super._transfer(from, address(this), fees);
               }
 
               amount -= fees;
          }
 
          super._transfer(from, to, amount);
     }
 
     function swapTokensForEth(uint256 tokenAmount) private {
 
          // generate the uniswap pair path of token -> weth
          address[] memory path = new address[](2);
          path[0] = address(this);
          path[1] = uniswapV2Router.WETH();
 
          _approve(address(this), address(uniswapV2Router), tokenAmount);
 
          // make the swap
          uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
               tokenAmount,
               0, // accept any amount of ETH
               path,
               address(this),
               block.timestamp
          );
 
     }
 
     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
               address(this),
               block.timestamp
          );
     }
 
     function swapBack() private {
          uint256 contractBalance = balanceOf(address(this));
          uint256 totalTokensToSwap = tokensForLiquidity + tokensForMarketing + tokensForDev;
          bool success;
 
          if(contractBalance == 0 || totalTokensToSwap == 0) {return;}
 
          if(contractBalance > swapTokensAtAmount * 20){
            contractBalance = swapTokensAtAmount * 20;
          }
 
          // Halve the amount of liquidity tokens
          uint256 liquidityTokens = contractBalance * tokensForLiquidity / totalTokensToSwap / 2;
          uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);
 
          uint256 initialETHBalance = address(this).balance;
 
          swapTokensForEth(amountToSwapForETH); 
 
          uint256 ethBalance = address(this).balance.sub(initialETHBalance);
 
          uint256 ethForMarketing = ethBalance.mul(tokensForMarketing).div(totalTokensToSwap);
          uint256 ethForDev = ethBalance.mul(tokensForDev).div(totalTokensToSwap);
          uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForDev;
 
 
          tokensForLiquidity = 0;
          tokensForMarketing = 0;
          tokensForDev = 0;
 
          (success,) = address(devWallet).call{value: ethForDev}("");
 
          if(liquidityTokens > 0 && ethForLiquidity > 0){
               addLiquidity(liquidityTokens, ethForLiquidity);
               emit SwapAndLiquify(amountToSwapForETH, ethForLiquidity, tokensForLiquidity);
          }
 
          (success,) = address(marketingWallet).call{value: address(this).balance}("");
     }

}