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*/

// SPDX-License-Identifier: Unlicensed

    pragma solidity ^0.8.0;

    interface IERC20 {
        
        function totalSupply() external view returns (uint256);
        function balanceOf(address account) external view returns (uint256);
        function transfer(address recipient, uint256 amount) external returns (bool);
        function allowance(address owner, address spender) external view returns (uint256);
        function approve(address spender, uint256 amount) external returns (bool);
        function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
        
        event Transfer(address indexed from, address indexed to, uint256 value);
        event Approval(address indexed owner, address indexed spender, uint256 value);
    }

    library SafeMath {
        
        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);
            }
        }
        
        function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
            unchecked {
                if (b > a) return (false, 0);
                return (true, a - b);
            }
        }
        
        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);
            }
        }
        
        function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
            unchecked {
                if (b == 0) return (false, 0);
                return (true, a / b);
            }
        }
        
        function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
            unchecked {
                if (b == 0) return (false, 0);
                return (true, a % b);
            }
        }

        function add(uint256 a, uint256 b) internal pure returns (uint256) {
            return a + b;
        }


        function sub(uint256 a, uint256 b) internal pure returns (uint256) {
            return a - b;
        }


        function mul(uint256 a, uint256 b) internal pure returns (uint256) {
            return a * b;
        }
        
        function div(uint256 a, uint256 b) internal pure returns (uint256) {
            return a / b;
        }


        function mod(uint256 a, uint256 b) internal pure returns (uint256) {
            return a % b;
        }
        
        function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
            unchecked {
                require(b <= a, errorMessage);
                return a - b;
            }
        }
        
        function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
            unchecked {
                require(b > 0, errorMessage);
                return a / b;
            }
        }
        
        function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
            unchecked {
                require(b > 0, errorMessage);
                return a % b;
            }
        }
    }

    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;
        }
    }

    library Address {
        
        function isContract(address account) internal view returns (bool) {
            uint256 size;
            assembly { size := extcodesize(account) }
            return size > 0;
        }

        function sendValue(address payable recipient, uint256 amount) internal {
            require(address(this).balance >= amount, "Address: insufficient balance");
            (bool success, ) = recipient.call{ value: amount }("");
            require(success, "Address: unable to send value, recipient may have reverted");
        }
        
        function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
        }
        
        function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
            return functionCallWithValue(target, data, 0, errorMessage);
        }
        
        function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
            return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
        }
        
        function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
            require(address(this).balance >= value, "Address: insufficient balance for call");
            require(isContract(target), "Address: call to non-contract");
            (bool success, bytes memory returndata) = target.call{ value: value }(data);
            return _verifyCallResult(success, returndata, errorMessage);
        }
        
        function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
            return functionStaticCall(target, data, "Address: low-level static call failed");
        }
        
        function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
            require(isContract(target), "Address: static call to non-contract");
            (bool success, bytes memory returndata) = target.staticcall(data);
            return _verifyCallResult(success, returndata, errorMessage);
        }


        function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
            return functionDelegateCall(target, data, "Address: low-level delegate call failed");
        }
        
        function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
            require(isContract(target), "Address: delegate call to non-contract");
            (bool success, bytes memory returndata) = target.delegatecall(data);
            return _verifyCallResult(success, returndata, errorMessage);
        }

        function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
            if (success) {
                return returndata;
            } else {
                if (returndata.length > 0) {
                    assembly {
                        let returndata_size := mload(returndata)
                        revert(add(32, returndata), returndata_size)
                    }
                } else {
                    revert(errorMessage);
                }
            }
        }
    }

    abstract contract Ownable is Context {
        address internal _owner;
        address private _previousOwner;

        event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
        constructor () {
            _owner = _msgSender();
            emit OwnershipTransferred(address(0), _owner);
        }
        
        function owner() public view virtual returns (address) {
            return _owner;
        }
        
        modifier onlyOwner() {
            require(owner() == _msgSender(), "Ownable: caller is not the owner");
            _;
        }
        
        function renounceOwnership() public virtual onlyOwner {
            emit OwnershipTransferred(_owner, address(0));
            _owner = address(0);
        }


        function transferOwnership(address newOwner) public virtual onlyOwner {
            require(newOwner != address(0), "Ownable: new owner is the zero address");
            emit OwnershipTransferred(_owner, newOwner);
            _owner = newOwner;
        }
    
    }

    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,Ownable, 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 {}
    }


    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 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 Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
        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 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 fai is ERC20 {
        using SafeMath for uint256;
        using Address for address;

        mapping (address => bool) private _isExcludedFromFee;
        mapping(address => bool) private _isExcludedFromMaxWallet;
        mapping(address => bool) private _isExcludedFromMaxTnxLimit;

        address public _devWalletAddress;    

        uint256 public _buyDevFee = 24;  
        uint256 public _sellDevFee = 24; 

        IUniswapV2Router02 public uniswapV2Router;
        address public uniswapV2Pair;
        bool inSwapAndLiquify;
        bool public swapAndSendFeeEnabled = true;
        uint256 public _maxWalletBalance;
        uint256 public _maxTxAmount;
        uint256 public numTokensSellToSendEthToDev;
        event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
        event swapAndSendFeeEnabledUpdated(bool enabled);
        event SwapAndLiquify(
            uint256 tokensSwapped,
            uint256 ethReceived,
            uint256 tokensIntoLiqudity
        );
        
        modifier lockTheSwap {
            inSwapAndLiquify = true;
            _;
            inSwapAndLiquify = false;
        }
        
        constructor () ERC20("FIRM AI Protocols", "FP"){

            numTokensSellToSendEthToDev = 1000000000 * 10 ** decimals();
            _devWalletAddress = 0x1b07f563083C8743544069918c8a785EB055F79f;
            
            IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
            // Create a uniswap pair for this new token
            uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
                .createPair(address(this), _uniswapV2Router.WETH());

            // set the rest of the contract variables
            uniswapV2Router = _uniswapV2Router;
            
            //exclude owner and this contract from fee
            _isExcludedFromFee[_msgSender()] = true;
            _isExcludedFromFee[address(this)] = true;
            _isExcludedFromFee[_devWalletAddress] = true;

            // exclude from the Max wallet balance 
            _isExcludedFromMaxWallet[owner()] = true;
            _isExcludedFromMaxWallet[address(this)] = true;
            _isExcludedFromMaxWallet[_devWalletAddress] = true;

            // exclude from the max tnx limit 
            _isExcludedFromMaxTnxLimit[owner()] = true;
            _isExcludedFromMaxTnxLimit[address(this)] = true;
            _isExcludedFromMaxTnxLimit[_devWalletAddress] = true;


            /*
                _mint is an internal function in ERC20.sol that is only called here,
                and CANNOT be called ever again
            */
            _mint(owner(), 1000000000000 * 10 ** decimals());		
            _maxWalletBalance = (totalSupply() * 2 ) / 100;
            _maxTxAmount = (totalSupply() * 2 ) / 100;

            
        }

        function includeAndExcludeInWhitelist(address account, bool value) public onlyOwner {
            _isExcludedFromFee[account] = value;
        }

        function includeAndExcludedFromMaxWallet(address account, bool value) public onlyOwner {
            _isExcludedFromMaxWallet[account] = value;
        }

        function includeAndExcludedFromMaxTnxLimit(address account, bool value) public onlyOwner {
            _isExcludedFromMaxTnxLimit[account] = value;
        }

        function isExcludedFromFee(address account) public view returns(bool) {
            return _isExcludedFromFee[account];
        }

        function isExcludedFromMaxWallet(address account) public view returns(bool){
            return _isExcludedFromMaxWallet[account];
        }

        function isExcludedFromMaxTnxLimit(address account) public view returns(bool) {
            return _isExcludedFromMaxTnxLimit[account];
        }

        function setMaxWalletBalance(uint256 maxBalancePercent) external onlyOwner {
        _maxWalletBalance = maxBalancePercent * 10** decimals();
        }

        function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner {
        _maxTxAmount = maxTxAmount * 10** decimals();
       }


        function setSellDevFess(
            uint256 dFee
        ) external onlyOwner {
            _sellDevFee = dFee;
        }

        function setBuyDevFees(
            uint256 dFee
        ) external onlyOwner {
            _buyDevFee = dFee;
        }
        function setDevWalletAddress(address _addr) external onlyOwner {
            _devWalletAddress = _addr;
        }  
        
        function setnumTokensSellToSendEthToDev(uint256 amount) external onlyOwner {
            numTokensSellToSendEthToDev = amount * 10 ** decimals();
        }

        function setRouterAddress(address newRouter) external onlyOwner {
            IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(newRouter);
            uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
            uniswapV2Router = _uniswapV2Router;
        }

        function setSwapAndSendFeeEnabled(bool _enabled) external onlyOwner {
            swapAndSendFeeEnabled = _enabled;
            emit swapAndSendFeeEnabledUpdated(_enabled);
        }
        
        //to recieve ETH from uniswapV2Router when swaping
        receive() external payable {}

        // to withdraw stucked BNB 
        function withdrawStuckedBNB(uint amount) external onlyOwner{
            // This is the current recommended method to use.
            (bool sent,) = _owner.call{value: amount}("");
            require(sent, "Failed to send BNB");    
            }

           // Withdraw stuked tokens 
        function withdrawStuckedTokens(address tokenAddress, uint256 tokens) external onlyOwner returns (bool success){
        return IERC20(tokenAddress).transfer(msg.sender, tokens);
        }
    
        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(amount > 0, "Transfer amount must be greater than zero");
        
        if (from != owner() && to != owner())
            require( _isExcludedFromMaxTnxLimit[from] || _isExcludedFromMaxTnxLimit[to] || 
                amount <= _maxTxAmount,
                "ERC20: Transfer amount exceeds the maxTxAmount."
            );
        
        
        if (
            from != owner() &&
            to != address(this) &&
            to != uniswapV2Pair ) 
        {
            uint256 currentBalance = balanceOf(to);
            require(_isExcludedFromMaxWallet[to] || (currentBalance + amount <= _maxWalletBalance),
                    "ERC20: Reached max wallet holding");
        }
      
            uint256 contractTokenBalance = balanceOf(address(this)); 
            bool overMinTokenBalance = contractTokenBalance >= numTokensSellToSendEthToDev;
            if (
                overMinTokenBalance &&
                !inSwapAndLiquify &&
                from != uniswapV2Pair &&
                swapAndSendFeeEnabled
            ) {
                contractTokenBalance = numTokensSellToSendEthToDev;
                swapTokensForFees(contractTokenBalance);
            }

            bool takeFee = true;
        if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
            super._transfer(from, to, amount);
            takeFee = false;
        } else {

            if (from == uniswapV2Pair) {
                // Buy
                uint256 DevTokens = amount.mul(_buyDevFee).div(100);

                amount= amount.sub(DevTokens);
                super._transfer(from, address(this), DevTokens);
                super._transfer(from, to, amount);

            } else if (to == uniswapV2Pair) {
                // Sell
                uint256 DevTokens = amount.mul(_sellDevFee).div(100);

                amount= amount.sub(DevTokens);
                super._transfer(from, address(this), DevTokens);
                super._transfer(from, to, amount);
            } else {
                // Transfer
                super._transfer(from, to, amount);
            }
        
        }

        }

        function swapTokensForFees(uint256 tokenAmount) private lockTheSwap {
            address[] memory path = new address[](2);
            path[0] = address(this);
            path[1] = uniswapV2Router.WETH();
            _approve(address(this), address(uniswapV2Router), tokenAmount);
            uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
                tokenAmount,
                0, // accept any amount of ETH
                path,
                _devWalletAddress,
                block.timestamp
            );
        }
    }

{
  "compilationTarget": {
    "fai.sol": "fai"
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}