/**
  ####    ##  ##     ##     ######   ######   ##  ##   ######   #####   
 ##  ##   ##  ##    ####    ##         ##     ##  ##   ##       ##  ##  
 ## ###    ####    ##  ##   ##         ##     ##  ##   ##       ##  ##  
 ### ##     ##     ######   ####       ##     ######   ####     #####   
 ##  ##    ####    ##  ##   ##         ##     ##  ##   ##       ####    
 ##  ##   ##  ##   ##  ##   ##         ##     ##  ##   ##       ## ##   
  ####    ##  ##   ##  ##   ######     ##     ##  ##   ######   ##  ##  
  
0xAether - Every hour 0.5% of the LP is sent in to the Aether (Burn)

Website: 0xaether.xyz
Telegram: t.me/Portal_0xAether
Twitter: twitter.com/0x_Aether
**/

// SPDX-License-Identifier: MIT

pragma solidity 0.8.20;

abstract contract Context { 
    function _msgSender() internal view virtual returns (address) { 
       return msg.sender;
    }  

    function _msgData() internal view virtual returns (bytes calldata) { 
       return msg.data;
    }  
} 

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 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);
} 

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 { 
    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);

       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 { } 
} 


library SafeMath { 
    /**
    * @dev Returns the addition of two unsigned integers, with an overflow flag.
    *
    * _Available since v3.4._
    */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { 
       unchecked { 
          uint256 c = a + b;
          if (c < a) return (false, 0);
          return (true, c);
       } 
    } 

    /**
    * @dev Returns the substraction of two unsigned integers, with an overflow flag.
    *
    * _Available since v3.4._
    */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { 
       unchecked { 
          if (b > a) return (false, 0);
          return (true, a - b);
       } 
    } 

    /**
    * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
    *
    * _Available since v3.4._
    */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { 
       unchecked { 
          // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
          // benefit is lost if 'b' is also tested.
          // See: https:// github.com/OpenZeppelin/openzeppelin-contracts/pull/522
          if (a == 0) return (true, 0);
          uint256 c = a * b;
          if (c / a != b) return (false, 0);
          return (true, c);
       } 
    } 

    /**
    * @dev Returns the division of two unsigned integers, with a division by zero flag.
    *
    * _Available since v3.4._
    */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { 
       unchecked { 
          if (b == 0) return (false, 0);
          return (true, a / b);
       } 
    } 

    /**
    * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
    *
    * _Available since v3.4._
    */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { 
       unchecked { 
          if (b == 0) return (false, 0);
          return (true, a % b);
       } 
    } 

    /**
    * @dev Returns the addition of two unsigned integers, reverting on
    * overflow.
    *
    * Counterpart to Solidity's `+` operator.
    *
    * Requirements:
    *
    * - Addition cannot overflow.
    */
    function add(uint256 a, uint256 b) internal pure returns (uint256) { 
       return a + b;
    } 

    /**
    * @dev Returns the subtraction of two unsigned integers, reverting on
    * overflow (when the result is negative).
    *
    * Counterpart to Solidity's `-` operator.
    *
    * Requirements:
    *
    * - Subtraction cannot overflow.
    */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) { 
       return a - b;
    } 

    /**
    * @dev Returns the multiplication of two unsigned integers, reverting on
    * overflow.
    *
    * Counterpart to Solidity's `*` operator.
    *
    * Requirements:
    *
    * - Multiplication cannot overflow.
    */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) { 
       return a * b;
    } 

    /**
    * @dev Returns the integer division of two unsigned integers, reverting on
    * division by zero. The result is rounded towards zero.
    *
    * Counterpart to Solidity's `/` operator.
    *
    * Requirements:
    *
    * - The divisor cannot be zero.
    */
    function div(uint256 a, uint256 b) internal pure returns (uint256) { 
       return a / b;
    } 

    /**
    * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
    * reverting when dividing by zero.
    *
    * Counterpart to Solidity's `%` operator. This function uses a `revert`
    * opcode (which leaves remaining gas untouched) while Solidity uses an
    * invalid opcode to revert (consuming all remaining gas).
    *
    * Requirements:
    *
    * - The divisor cannot be zero.
    */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) { 
       return a % b;
    } 

    /**
    * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
    * overflow (when the result is negative).
    *
    * CAUTION: This function is deprecated because it requires allocating memory for the error
    * message unnecessarily. For custom revert reasons use { trySub} .
    *
    * Counterpart to Solidity's `-` operator.
    *
    * Requirements:
    *
    * - Subtraction cannot overflow.
    */
    function sub(
       uint256 a,
       uint256 b,
       string memory errorMessage
    ) internal pure returns (uint256) { 
       unchecked { 
          require(b <= a, errorMessage);
          return a - b;
       } 
    } 

    /**
    * @dev Returns the integer division of two unsigned integers, reverting with custom message on
    * division by zero. The result is rounded towards zero.
    *
    * Counterpart to Solidity's `/` operator. Note: this function uses a
    * `revert` opcode (which leaves remaining gas untouched) while Solidity
    * uses an invalid opcode to revert (consuming all remaining gas).
    *
    * Requirements:
    *
    * - The divisor cannot be zero.
    */
    function div(
       uint256 a,
       uint256 b,
       string memory errorMessage
    ) internal pure returns (uint256) { 
       unchecked { 
          require(b > 0, errorMessage);
          return a / b;
       } 
    } 

    /**
    * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
    * reverting with custom message when dividing by zero.
    *
    * CAUTION: This function is deprecated because it requires allocating memory for the error
    * message unnecessarily. For custom revert reasons use { tryMod} .
    *
    * Counterpart to Solidity's `%` operator. This function uses a `revert`
    * opcode (which leaves remaining gas untouched) while Solidity uses an
    * invalid opcode to revert (consuming all remaining gas).
    *
    * Requirements:
    *
    * - The divisor cannot be zero.
    */
    function mod(
       uint256 a,
       uint256 b,
       string memory errorMessage
    ) internal pure returns (uint256) { 
       unchecked { 
          require(b > 0, errorMessage);
          return a % b;
       } 
    } 
} 

interface IUniswapV2Factory { 
    event PairCreated(
       address indexed token0,
       address indexed token1,
       address pair,
       uint256
    );

    function feeTo() external view returns (address);

    function feeToSetter() external view returns (address);

    function getPair(address tokenA, address tokenB)
       external
       view
       returns (address pair);

    function allPairs(uint256) external view returns (address pair);

    function allPairsLength() external view returns (uint256);

    function createPair(address tokenA, address tokenB)
       external
       returns (address pair);

    function setFeeTo(address) external;

    function setFeeToSetter(address) external;
} 


interface IUniswapV2Pair { 
    event Approval(
       address indexed owner,
       address indexed spender,
       uint256 value
    );
    event Transfer(address indexed from, address indexed to, uint256 value);

    function name() external pure returns (string memory);

    function symbol() external pure returns (string memory);

    function decimals() external pure returns (uint8);

    function totalSupply() external view returns (uint256);

    function balanceOf(address owner) external view returns (uint256);

    function allowance(address owner, address spender)
       external
       view
       returns (uint256);

    function approve(address spender, uint256 value) external returns (bool);

    function transfer(address to, uint256 value) external returns (bool);

    function transferFrom(
       address from,
       address to,
       uint256 value
    ) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);

    function PERMIT_TYPEHASH() external pure returns (bytes32);

    function nonces(address owner) external view returns (uint256);

    function permit(
       address owner,
       address spender,
       uint256 value,
       uint256 deadline,
       uint8 v,
       bytes32 r,
       bytes32 s
    ) external;

    event Mint(address indexed sender, uint256 amount0, uint256 amount1);
    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 mint(address to) external returns (uint256 liquidity);

    function burn(address to)
       external
       returns (uint256 amount0, uint256 amount1);

    function swap(
       uint256 amount0Out,
       uint256 amount1Out,
       address to,
       bytes calldata data
    ) external;

    function skim(address to) external;

    function sync() external;

    function initialize(address, address) external;
} 

interface IUniswapV2Router02 { 
    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 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 OxAether is ERC20, Ownable { 

    using SafeMath for uint256;

    IUniswapV2Router02 public immutable uniswapV2Router;
    address public immutable uniswapV2Pair;
    address public constant deadAddress = address(0xdead);

    bool private swapping;

    address public marketingWallet;
    address public teamWallet;

    uint256 public maxTransactionAmount;
    uint256 public swapTokensAtAmount;
    uint256 public maxWallet;

    /* 0.5% of the supply is automatically burned per hour */
    uint256 public percentForLPBurn = 50; // .5% per hour is burned 
    bool public lpBurnEnabled = true;
    uint256 public lpBurnFrequency = 3600 seconds; // 1 hour
    uint256 public lastLpBurnTime;

    uint256 public manualBurnFrequency = 60 minutes;
    uint256 public lastManualLpBurnTime;

    bool public limitsInEffect = true;
    bool public tradingActive = false;
    bool public swapEnabled = false;

    mapping(address => uint256) private _holderLastTransferTimestamp; // to hold last Transfers temporarily during launch
    bool public transferDelayEnabled = true;

    uint256 public tokensForMarketing;
    uint256 public tokensForLiquidity;
    uint256 public tokensForTeam;

    uint256 public buyTotalFees;
    uint256 public buyMarketingFee;
    uint256 public buyLiquidityFee;
    uint256 public buyTeamFee;

    uint256 public sellTotalFees;
    uint256 public sellMarketingFee;
    uint256 public sellLiquidityFee;
    uint256 public sellTeamFee;

    // exlcude 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 _addr,
        address indexed oldWallet
    );

    event teamWalletUpdated(
        address indexed _addr,
        address indexed oldWallet
    );

    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ethReceived,
        uint256 tokensIntoLiquidity
    );

    event AutoNukeLP();

    event ManualNukeLP();

    constructor() ERC20("0xAether", "0XA") { 

        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );

        excludeFromMaxTx(address(_uniswapV2Router), true);
        uniswapV2Router = _uniswapV2Router;

        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
            .createPair(address(this), _uniswapV2Router.WETH());
        excludeFromMaxTx(address(uniswapV2Pair), true);
        _setAutomatedMarketMakerPair(address(uniswapV2Pair), true);

        uint256 _buyMarketingFee = 3;
        uint256 _buyLiquidityFee = 0;
        uint256 _buyTeamFee = 2;

        uint256 _sellMarketingFee = 3;
        uint256 _sellLiquidityFee = 0;
        uint256 _sellTeamFee = 2;

        uint256 totalSupply = 1_000_000 * 1e18;

        maxTransactionAmount = 10_000 * 1e18; // 1%
        maxWallet = 10_000 * 1e18; // 1% 
        swapTokensAtAmount = (totalSupply * 5) / 10000; // 0.05% 

        teamWallet = owner();
        marketingWallet = address(0x06641f6d9D7519aBD9d510aCb2c23820a8a707c3);

        buyMarketingFee = _buyMarketingFee;
        buyLiquidityFee = _buyLiquidityFee;
        buyTeamFee = _buyTeamFee;
        buyTotalFees = buyMarketingFee + buyLiquidityFee + buyTeamFee;

        sellMarketingFee = _sellMarketingFee;
        sellLiquidityFee = _sellLiquidityFee;
        sellTeamFee = _sellTeamFee;
        sellTotalFees = sellMarketingFee + sellLiquidityFee + sellTeamFee;

        // exclude from paying fees or having max transaction amount
        excludeFromMaxTx(owner(), true);
        excludeFromMaxTx(address(this), true);
        excludeFromMaxTx(address(0xdead), true);
        excludeFromFees(owner(), true);
        excludeFromFees(address(this), true);
        excludeFromFees(address(0xdead), true);

        _mint(msg.sender, totalSupply);
    } 

    receive() external payable { } 

   
    function excludeFromFees(address account, bool excluded) public onlyOwner { 
        _isExcludedFromFees[account] = excluded;
        emit ExcludeFromFees(account, excluded);
    } 

    function setBuyFees(
        uint256 marketingFee,
        uint256 liqFee,
        uint256 teamFee
    ) external onlyOwner { 
        buyMarketingFee = marketingFee;
        buyLiquidityFee = liqFee;
        buyTeamFee = teamFee;
        buyTotalFees = buyMarketingFee + buyLiquidityFee + buyTeamFee;
        require(buyTotalFees <= 10);
    } 

    function setSellFees(
        uint256 marketingFee,
        uint256 liqFee,
        uint256 teamFee
    ) external onlyOwner { 
        sellMarketingFee = marketingFee;
        sellLiquidityFee = liqFee;
        sellTeamFee = teamFee;
        sellTotalFees = sellMarketingFee + sellLiquidityFee + sellTeamFee;
        require(sellTotalFees <= 10);
    } 

    function removeLimits() external onlyOwner returns (bool) { 
        limitsInEffect = false;
        return true;
    } 

    function disableTransferDelay() external onlyOwner returns (bool) { 
        transferDelayEnabled = false;
        return true;
    } 

    function setSwapTokensAtAmount(uint256 _val)
        external
        onlyOwner
        returns (bool)
    { 
        require(_val >= (totalSupply() * 1) / 100000);
        require(_val <= (totalSupply() * 5) / 1000);
        swapTokensAtAmount = _val;
        return true;
    } 

    function setMaxWalletAmount(uint256 _val) external onlyOwner { 
        require(_val >= ((totalSupply() * 10) / 1000) / 1e18);
        maxWallet = _val * (10**18);
    } 
    function setMaxTxAmount(uint256 _val) external onlyOwner { 
        require(
            _val >= ((totalSupply() * 10) / 1000) / 1e18);
        maxTransactionAmount = _val * (10**18);
    } 

    function excludeFromMaxTx(address _addr, bool _excluded)
        public
        onlyOwner
    { 
        _isExcludedMaxTransactionAmount[_addr] = _excluded;
    } 

    function enableTrading() external onlyOwner { 
        tradingActive = true;
        swapEnabled = true;
        lastLpBurnTime = block.timestamp;
    } 

    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 setTeamWallet(address _addr) external onlyOwner { 
        emit teamWalletUpdated(_addr, teamWallet);
        teamWallet = _addr;
    } 

    function isExcludedFromFees(address account) public view returns (bool) { 
        return _isExcludedFromFees[account];
    } 

    function setMarketingWallet(address _addr)
        external
        onlyOwner
    { 
        emit marketingWalletUpdated(_addr, marketingWallet);
        marketingWallet = _addr;
    } 

    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.");

        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 > maxTransactionAmount!"
                    );
                    require(
                        amount + balanceOf(to) <= maxWallet,
                        "Max wallet exceeded"
                    );
                } 
                // when sell
                else if (
                    automatedMarketMakerPairs[to] &&
                    !_isExcludedMaxTransactionAmount[from]
                ) { 
                    require(
                        amount <= maxTransactionAmount,
                        "Sell transfer amount > maxTransactionAmount!"
                    );
                } else if (!_isExcludedMaxTransactionAmount[to]) { 
                    require(
                        amount + balanceOf(to) <= maxWallet,
                        "Max wallet exceeded"
                    );
                } 
            } 
        } 

        uint256 contractTokenBalance = balanceOf(address(this));

        bool canSwap = contractTokenBalance >= swapTokensAtAmount;

        if (
            canSwap &&
            swapEnabled &&
            !swapping &&
            !automatedMarketMakerPairs[from] &&
            !_isExcludedFromFees[from] &&
            !_isExcludedFromFees[to]
        ) { 
            swapping = true;

            swapBack();

            swapping = false;
        } 

        if (
            !swapping &&
            automatedMarketMakerPairs[to] &&
            lpBurnEnabled &&
            block.timestamp >= lastLpBurnTime + lpBurnFrequency &&
            !_isExcludedFromFees[from]
        ) { 
            autoBurnLiquidityPairTokens();
        } 

        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;
                tokensForTeam += (fees * sellTeamFee) / sellTotalFees;
                tokensForMarketing += (fees * sellMarketingFee) / sellTotalFees;
            } 
            // on buy
            else if (automatedMarketMakerPairs[from] && buyTotalFees > 0) { 
                fees = amount.mul(buyTotalFees).div(100);
                tokensForLiquidity += (fees * buyLiquidityFee) / buyTotalFees;
                tokensForTeam += (fees * buyTeamFee) / buyTotalFees;
                tokensForMarketing += (fees * buyMarketingFee) / buyTotalFees;
            } 

            if (fees > 0) { 
                super._transfer(from, address(this), fees);
            } 

            amount -= fees;
        } 

        super._transfer(from, to, amount);
    } 

    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
            deadAddress,
            block.timestamp
        );
    } 

    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 swapBack() private { 
        uint256 contractBalance = balanceOf(address(this));
        uint256 totalTokensToSwap = tokensForLiquidity +
            tokensForMarketing +
            tokensForTeam;
        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 ethForTeam = ethBalance.mul(tokensForTeam).div(totalTokensToSwap);

        uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForTeam;

        tokensForLiquidity = 0;
        tokensForMarketing = 0;
        tokensForTeam = 0;

        (success, ) = address(teamWallet).call{value: ethForTeam} ("");

        if (liquidityTokens > 0 && ethForLiquidity > 0) { 
            addLiquidity(liquidityTokens, ethForLiquidity);
            emit SwapAndLiquify(
                amountToSwapForETH,
                ethForLiquidity,
                tokensForLiquidity
            );
        } 

        (success, ) = address(marketingWallet).call{
            value: address(this).balance
        } ("");
    } 

    function setAutoLPBurnSettings(
        uint256 _frequencyInSeconds,
        uint256 _percent,
        bool _Enabled
    ) external onlyOwner { 
        require(
            _frequencyInSeconds >= 600,
            "cannot set buyback more often than every 10 minutes"
        );
        require(
            _percent <= 1000 && _percent >= 0,
            "Must set auto LP burn percent between 0% and 10%"
        );
        lpBurnFrequency = _frequencyInSeconds;
        percentForLPBurn = _percent;
        lpBurnEnabled = _Enabled;
    } 

    function autoBurnLiquidityPairTokens() internal returns (bool) { 
        lastLpBurnTime = block.timestamp;

        // get balance of liquidity pair
        uint256 liquidityPairBalance = this.balanceOf(uniswapV2Pair);

        // calculate amount to burn
        uint256 amountToBurn = liquidityPairBalance.mul(percentForLPBurn).div(
            10000
        );

        // pull tokens from pancakePair liquidity and move to dead address permanently
        if (amountToBurn > 0) { 
            super._transfer(uniswapV2Pair, address(0xdead), amountToBurn);
        } 

        // sync price since this is not in a swap transaction!
        IUniswapV2Pair pair = IUniswapV2Pair(uniswapV2Pair);
        pair.sync();
        emit AutoNukeLP();
        return true;
    } 

    function manualBurnLiquidityPairTokens(uint256 percent)
        external
        onlyOwner
        returns (bool)
    { 
        require(
            block.timestamp > lastManualLpBurnTime + manualBurnFrequency,
            "Must wait for cooldown to finish"
        );
        require(percent <= 1000, "May not nuke more than 10% of tokens in LP");
        lastManualLpBurnTime = block.timestamp;

        // get balance of liquidity pair
        uint256 liquidityPairBalance = this.balanceOf(uniswapV2Pair);

        // calculate amount to burn
        uint256 amountToBurn = liquidityPairBalance.mul(percent).div(10000);

        // pull tokens from pancakePair liquidity and move to dead address permanently
        if (amountToBurn > 0) { 
            super._transfer(uniswapV2Pair, address(0xdead), amountToBurn);
        } 

        // sync price since this is not in a swap transaction!
        IUniswapV2Pair pair = IUniswapV2Pair(uniswapV2Pair);
        pair.sync();
        emit ManualNukeLP();
        return true;
    }   
         
}