/**
SpareChange

A Community Service Project to provide donation drives to the unfortunate. We will start to do the service in the Phillipines where one of our team member is living. After that we will expand to few more countries depending on our funds availability.
Share your spare change to do something good to the world. Lets Go.

4% to charity fund
4% to marketing & team.

If you want to donate manually, send to our charity wallet: 0xF623b94e1D1AE1E4A55fa40f2bee1c4ce9267f0f

TG:      https://t.me/SpareChangeEth
Twitter: https://twitter.com/SpareChangeEth
Website: https://sparechange.live/

*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/*
 * @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;
    }
}


// File contracts/Ownable.sol

pragma solidity ^0.8.0;

/**
 * @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() {
        _setOwner(_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 {
        _setOwner(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");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}


// File contracts/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);
}


// File contracts/IUniswapV2Router01.sol

pragma solidity >=0.6.2;

interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        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);
}


// File contracts/IUniswapV2Router02.sol

pragma solidity >=0.6.2;

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;
}


// File contracts/IUniswapV2Factory.sol

pragma solidity >=0.5.0;

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;
}


// File contracts/Address.sol

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}


// File contracts
pragma solidity ^0.8.0;

contract SpareChange is Context, IERC20, Ownable {
    
    using Address for address payable;
    mapping(address => uint256) private _rOwned;
    mapping(address => uint256) private _tOwned;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _isExcludedFromFee;
    mapping(address => bool) private _isExcluded;
    mapping(address => bool) private _isExcludedFromMaxWallet;


    mapping(address => bool) public isBot;

    address[] private _excluded;

    uint8 private constant _decimals = 9;
    uint256 private constant MAX = ~uint256(0);

    uint256 private _tTotal = 1_000_000_000 * 10**_decimals;
    uint256 private _rTotal = (MAX - (MAX % _tTotal));

    uint256 public maxTxAmountBuy = _tTotal * 2 / 100; // 2% of supply
    uint256 public maxTxAmountSell = _tTotal * 2 / 100; // 2% of supply
    uint256 public maxWalletAmount = _tTotal * 2 / 100; // 2% of supply
    uint256 public maxBuyFee = 8; 
    uint256 public maxSellFee = 8; 

    //antisnipers
    uint256 public liqAddedBlockNumber;
    uint256 public blocksToWait = 0;

    address payable public treasuryAddress;
    address payable public devAddress;
    mapping(address => bool) public isAutomatedMarketMakerPair;

    string private constant _name = "SpareChange";
    string private constant _symbol = "SC";
    bool private inSwapAndLiquify;

    IUniswapV2Router02 public UniswapV2Router;
    address public uniswapPair;
    bool public swapAndLiquifyEnabled = true;
    uint256 public numTokensSellToAddToLiquidity = _tTotal * 4 / 1000; //0.4%

    struct feeRatesStruct {
        uint8 rfi;
        uint8 treasury;
        uint8 dev;
        uint8 lp;
        uint8 toSwap;
    }

    //Tax
    feeRatesStruct public buyRates =
        feeRatesStruct({
            rfi: 0, // 0 RFI rate, in %
            dev: 4, // dev team fee in %
            treasury: 4, // treasury fee in %
            lp: 0, // lp rate in %
            toSwap: 8 // treasury + dev + lp
        });

    feeRatesStruct public sellRates =
        feeRatesStruct({
            rfi: 0, // 0 RFI rate, in %
            dev: 4, // dev team fee in %
            treasury: 4, // treasury fee in %
            lp: 0, // lp rate in %
            toSwap: 8 // treasury + dev + lp
        });

    feeRatesStruct private appliedRates = buyRates;

    struct TotFeesPaidStruct {
        uint256 rfi;
        uint256 toSwap;
    }
    TotFeesPaidStruct public totFeesPaid;

    struct valuesFromGetValues {
        uint256 rAmount;
        uint256 rTransferAmount;
        uint256 rRfi;
        uint256 rToSwap;
        uint256 tTransferAmount;
        uint256 tRfi;
        uint256 tToSwap;
    }

    event SwapAndLiquifyEnabledUpdated(bool enabled);
    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ETHReceived,
        uint256 tokensIntotoSwap
    );
    event LiquidityAdded(uint256 tokenAmount, uint256 ETHAmount);
    event TreasuryAndDevFeesAdded(uint256 devFee, uint256 treasuryFee);
    event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
    event BlacklistedUser(address botAddress, bool indexed value);
    event MaxWalletAmountUpdated(uint256 amount);
    event ExcludeFromMaxWallet(address account, bool indexed isExcluded);

    modifier lockTheSwap() {
        inSwapAndLiquify = true;
        _;
        inSwapAndLiquify = false;
    }

    constructor() {
        IUniswapV2Router02 _UniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        uniswapPair = IUniswapV2Factory(_UniswapV2Router.factory()).createPair(address(this), _UniswapV2Router.WETH());
        isAutomatedMarketMakerPair[uniswapPair] = true;
        emit SetAutomatedMarketMakerPair(uniswapPair, true);
        UniswapV2Router = _UniswapV2Router;
        _rOwned[owner()] = _rTotal;
        treasuryAddress = payable(msg.sender);
        devAddress = payable(msg.sender);
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[treasuryAddress] = true;
        _isExcludedFromFee[devAddress] = true;
        _isExcludedFromFee[address(this)] = true;

        _isExcludedFromMaxWallet[owner()] = true;
        _isExcludedFromMaxWallet[treasuryAddress] = true;
        _isExcludedFromMaxWallet[devAddress] = true;
        _isExcludedFromMaxWallet[address(this)] = true;

        _isExcludedFromMaxWallet[uniswapPair] = true;

        emit Transfer(address(0), owner(), _tTotal);
    }

    //std ERC20:
    function name() public pure returns (string memory) {
        return _name;
    }

    function symbol() public pure returns (string memory) {
        return _symbol;
    }

    function decimals() public pure returns (uint8) {
        return _decimals;
    }

    //override ERC20:
    function totalSupply() public view override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        if (_isExcluded[account]) return _tOwned[account];
        return tokenFromReflection(_rOwned[account]);
    }

    function transfer(address recipient, uint256 amount)
        public
        override
        returns (bool)
    {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function allowance(address owner, address spender)
        public
        view
        override
        returns (uint256)
    {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount)
        public
        override
        returns (bool)
    {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public 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;
    }

    function increaseAllowance(address spender, uint256 addedValue)
        public
        virtual
        returns (bool)
    {
        _approve(
            _msgSender(),
            spender,
            _allowances[_msgSender()][spender] + addedValue
        );
        return true;
    }

    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;
    }

    function isExcludedFromReward(address account) public view returns (bool) {
        return _isExcluded[account];
    }

    function reflectionFromToken(uint256 tAmount, bool deductTransferRfi)
        public
        view
        returns (uint256)
    {
        require(tAmount <= _tTotal, "Amount must be less than supply");
        if (!deductTransferRfi) {
            valuesFromGetValues memory s = _getValues(tAmount, true);
            return s.rAmount;
        } else {
            valuesFromGetValues memory s = _getValues(tAmount, true);
            return s.rTransferAmount;
        }
    }

    function tokenFromReflection(uint256 rAmount)
        public
        view
        returns (uint256)
    {
        require(
            rAmount <= _rTotal,
            "Amount must be less than total reflections"
        );
        uint256 currentRate = _getRate();
        return rAmount / currentRate;
    }

    //No current rfi - Tiered Rewarding Feature Applied at APP Launch
    function excludeFromReward(address account) external onlyOwner {
        require(!_isExcluded[account], "Account is already excluded");
        if (_rOwned[account] > 0) {
            _tOwned[account] = tokenFromReflection(_rOwned[account]);
        }
        _isExcluded[account] = true;
        _excluded.push(account);
    }

    function includeInReward(address account) external onlyOwner {
        require(_isExcluded[account], "Account is not excluded");
        for (uint256 i = 0; i < _excluded.length; i++) {
            if (_excluded[i] == account) {
                _excluded[i] = _excluded[_excluded.length - 1];
                _tOwned[account] = 0;
                _isExcluded[account] = false;
                _excluded.pop();
                break;
            }
        }
    }

    function excludeFromFee(address account) external onlyOwner {
        _isExcludedFromFee[account] = true;
    }


    function includeInFee(address account) external onlyOwner {
        _isExcludedFromFee[account] = false;
    }

    function isExcludedFromFee(address account) public view returns (bool) {
        return _isExcludedFromFee[account];
    }

    function isExcludedFromMaxWallet(address account)
        public
        view
        returns (bool)
    {
        return _isExcludedFromMaxWallet[account];
    }

    function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
        swapAndLiquifyEnabled = _enabled;
        emit SwapAndLiquifyEnabledUpdated(_enabled);
    }

    //  @dev receive ETH from UniswapV2Router when swapping
    receive() external payable {}

    function _reflectRfi(uint256 rRfi, uint256 tRfi) private {
        _rTotal -= rRfi;
        totFeesPaid.rfi += tRfi;
    }

    function _takeToSwap(uint256 rToSwap, uint256 tToSwap) private {
        _rOwned[address(this)] += rToSwap;
        if (_isExcluded[address(this)]) _tOwned[address(this)] += tToSwap;
        totFeesPaid.toSwap += tToSwap;
    }

    function _getValues(uint256 tAmount, bool takeFee)
        private
        view
        returns (valuesFromGetValues memory to_return)
    {
        to_return = _getTValues(tAmount, takeFee);
        (
            to_return.rAmount,
            to_return.rTransferAmount,
            to_return.rRfi,
            to_return.rToSwap
        ) = _getRValues(to_return, tAmount, takeFee, _getRate());
        return to_return;
    }

    function _getTValues(uint256 tAmount, bool takeFee)
        private
        view
        returns (valuesFromGetValues memory s)
    {
        if (!takeFee) {
            s.tTransferAmount = tAmount;
            return s;
        }
        s.tRfi = (tAmount * appliedRates.rfi) / 100;
        s.tToSwap = (tAmount * appliedRates.toSwap) / 100;
        s.tTransferAmount = tAmount - s.tRfi - s.tToSwap;
        return s;
    }

    function _getRValues(
        valuesFromGetValues memory s,
        uint256 tAmount,
        bool takeFee,
        uint256 currentRate
    )
        private
        pure
        returns (
            uint256 rAmount,
            uint256 rTransferAmount,
            uint256 rRfi,
            uint256 rToSwap
        )
    {
        rAmount = tAmount * currentRate;

        if (!takeFee) {
            return (rAmount, rAmount, 0, 0);
        }

        rRfi = s.tRfi * currentRate;
        rToSwap = s.tToSwap * currentRate;
        rTransferAmount = rAmount - rRfi - rToSwap;
        return (rAmount, rTransferAmount, rRfi, rToSwap);
    }

    function _getRate() private view returns (uint256) {
        (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
        return rSupply / tSupply;
    }

    function _getCurrentSupply() private view returns (uint256, uint256) {
        uint256 rSupply = _rTotal;
        uint256 tSupply = _tTotal;
        for (uint256 i = 0; i < _excluded.length; i++) {
            if (
                _rOwned[_excluded[i]] > rSupply ||
                _tOwned[_excluded[i]] > tSupply
            ) return (_rTotal, _tTotal);
            rSupply -= _rOwned[_excluded[i]];
            tSupply -= _tOwned[_excluded[i]];
        }
        if (rSupply < _rTotal / _tTotal) return (_rTotal, _tTotal);
        return (rSupply, tSupply);
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) private {
        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);
    }

    function _transfer(
        address from,
        address to,
        uint256 amount
    ) private {
        if (liqAddedBlockNumber == 0 && isAutomatedMarketMakerPair[to]) {
            liqAddedBlockNumber = block.number;
        }

        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(!isBot[from], "ERC20: address is a bot/sniper");
        require(amount > 0, "Transfer amount must be greater than zero");
        require(
            amount <= balanceOf(from),
            "You are trying to transfer more than your balance"
        );
        bool takeFee = !(_isExcludedFromFee[from] || _isExcludedFromFee[to]);

        if (takeFee) {
            if (isAutomatedMarketMakerPair[from]) {
                if (block.number < liqAddedBlockNumber + blocksToWait) {
                    isBot[to] = true;
                    emit BlacklistedUser(to, true);
                }

                appliedRates = buyRates;
                require(
                    amount <= maxTxAmountBuy,
                    "amount must be <= maxTxAmountBuy"
                );
            } else {
                appliedRates = sellRates;
                require(
                    amount <= maxTxAmountSell,
                    "amount must be <= maxTxAmountSell"
                );
            }
        }

        if (
            balanceOf(address(this)) >= numTokensSellToAddToLiquidity &&
            !inSwapAndLiquify &&
            !isAutomatedMarketMakerPair[from] &&
            swapAndLiquifyEnabled
        ) {
            //add liquidity
            swapAndLiquify(numTokensSellToAddToLiquidity);
        }

        _tokenTransfer(from, to, amount, takeFee);
    }

    //this method is responsible for taking all fee, if takeFee is true
    function _tokenTransfer(
        address sender,
        address recipient,
        uint256 tAmount,
        bool takeFee
    ) private {
        valuesFromGetValues memory s = _getValues(tAmount, takeFee);

        if (_isExcluded[sender]) {
            _tOwned[sender] -= tAmount;
        }
        if (_isExcluded[recipient]) {
            _tOwned[recipient] += s.tTransferAmount;
        }

        _rOwned[sender] -= s.rAmount;
        _rOwned[recipient] += s.rTransferAmount;
        if (takeFee) {
            _reflectRfi(s.rRfi, s.tRfi);
            _takeToSwap(s.rToSwap, s.tToSwap);
            emit Transfer(sender, address(this), s.tToSwap);
        }
        require(
            _isExcludedFromMaxWallet[recipient] ||
                balanceOf(recipient) <= maxWalletAmount,
            "Recipient cannot hold more than maxWalletAmount"
        );
        emit Transfer(sender, recipient, s.tTransferAmount);
    }

    function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
        uint256 denominator = appliedRates.toSwap * 2;
        uint256 tokensToAddLiquidityWith = (contractTokenBalance *
            appliedRates.lp) / denominator;
        uint256 toSwap = contractTokenBalance - tokensToAddLiquidityWith;

        uint256 initialBalance = address(this).balance;

        // swap tokens for ETH
        swapTokensForETH(toSwap);

        uint256 deltaBalance = address(this).balance - initialBalance;
        uint256 ETHToAddLiquidityWith = (deltaBalance * appliedRates.lp) /
            (denominator - appliedRates.lp);

        // add liquidity
        if (tokensToAddLiquidityWith >0 && ETHToAddLiquidityWith>0){
            addLiquidity(tokensToAddLiquidityWith, ETHToAddLiquidityWith);
        }
        // we give the remaining tax to dev & treasury wallets
        uint256 remainingBalance = address(this).balance;
        uint256 devFee = (remainingBalance * appliedRates.dev) /
            (denominator - appliedRates.dev);
        uint256 treasuryFee = (remainingBalance * appliedRates.treasury) /
            (denominator - appliedRates.treasury);
        devAddress.sendValue(devFee);
        treasuryAddress.sendValue(treasuryFee);
    }

    function swapTokensForETH(uint256 tokenAmount) private {
        // generate the pair path of token
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = UniswapV2Router.WETH();

        if (allowance(address(this), address(UniswapV2Router)) < tokenAmount) {
            _approve(address(this), address(UniswapV2Router), ~uint256(0));
        }

        // make the swap
        UniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0, // accept any amount of ETH
            path,
            address(this),
            block.timestamp
        );
    }

    function addLiquidity(uint256 tokenAmount, uint256 ETHAmount) private {
        // add the liquidity
        UniswapV2Router.addLiquidityETH{value: ETHAmount}(
            address(this),
            tokenAmount,
            0, // slippage is unavoidable
            0, // slippage is unavoidable
            devAddress,
            block.timestamp
        );
        emit LiquidityAdded(tokenAmount, ETHAmount);
    }

    function setAutomatedMarketMakerPair(address _pair, bool value)
        external
        onlyOwner
    {
        require(
            isAutomatedMarketMakerPair[_pair] != value,
            "Automated market maker pair is already set to that value"
        );
        isAutomatedMarketMakerPair[_pair] = value;
        if (value) {
            _isExcludedFromMaxWallet[_pair] = true;
            emit ExcludeFromMaxWallet(_pair, value);
        }
        emit SetAutomatedMarketMakerPair(_pair, value);
    }

    function setBuyFees(
        uint8 _rfi,
        uint8 _treasury,
        uint8 _dev,
        uint8 _lp
    ) external onlyOwner {
        uint256 totalBuyFee = _rfi+_treasury+_dev+_lp;
        require(totalBuyFee <= maxBuyFee, "Fees cannot be higher than Maxfee");
        buyRates.rfi = _rfi;
        buyRates.treasury = _treasury;
        buyRates.dev = _dev;
        buyRates.lp = _lp;
        buyRates.toSwap = _treasury + _dev + _lp;
    }

    function setSellFees(
        uint8 _rfi,
        uint8 _treasury,
        uint8 _dev,
        uint8 _lp
    ) external onlyOwner {
        uint256 totalSellFee = _rfi+_treasury+_dev+_lp;
        require(totalSellFee <= maxSellFee, "Fees cannot be higher than Maxfee");
        sellRates.rfi = _rfi;
        sellRates.treasury = _treasury;
        sellRates.dev = _dev;
        sellRates.lp = _lp;
        sellRates.toSwap = _treasury + _dev + _lp;
    }

    function setMaxTransactionAmount(
        uint256 _maxTxAmountBuyPct,
        uint256 _maxTxAmountSellPct
    ) external onlyOwner {
        maxTxAmountBuy = _tTotal * _maxTxAmountBuyPct /1000; // 1 = 0.1%, 10 = 1% etc.
        maxTxAmountSell = _tTotal *_maxTxAmountSellPct /1000; // 1 = 0.1%, 10 = 1% etc.
    }

    function setNumTokensSellToAddToLiq(uint256 amountTokens)
        external
        onlyOwner
    {
        numTokensSellToAddToLiquidity = amountTokens * 10**_decimals;
    }

    function setTreasuryAddress(address payable _treasuryAddress)
        external
        onlyOwner
    {
        treasuryAddress = _treasuryAddress;
    }

    function setDevAddress(address payable _devAddress) external onlyOwner {
        devAddress = _devAddress;
    }

    function manualSwapAll() external onlyOwner {
        swapAndLiquify(balanceOf(address(this)));
    }

    //Manual swap percent of outstanding token
    function manualSwapPercentage(uint256 tokenpercentage) external onlyOwner {
        uint256 tokenstosell = (balanceOf(address(this))*tokenpercentage)/1000;
  	    swapTokensForETH(tokenstosell);
        payable(devAddress).sendValue(address(this).balance);
    }
     //Use this in case ETH are sent to the contract by mistake
    function rescueETH() external {
        devAddress.sendValue(address(this).balance);
    }
    
    function rescueAnyBEP20Tokens(address _tokenAddr, address _to, uint _amount) public onlyOwner {
        IERC20(_tokenAddr).transfer(_to, _amount);
    }

    // To exclude bots & snipers
    function isBots(address botAddress, bool isban) external onlyOwner {      
        isBot[botAddress] = isban;
    }

    function setMaxWalletAmount(uint256 _maxWalletAmountPct) external onlyOwner {
        maxWalletAmount = _tTotal * _maxWalletAmountPct/1000; // 1 = 0.1%, 10 = 1% etc.
        emit MaxWalletAmountUpdated(maxWalletAmount);
    }

    function excludeFromMaxWallet(address account, bool excluded)
        external
        onlyOwner
    {
        require(
            _isExcludedFromMaxWallet[account] != excluded,
            "_isExcludedFromMaxWallet already set to that value"
        );
        _isExcludedFromMaxWallet[account] = excluded;

        emit ExcludeFromMaxWallet(account, excluded);
    }
}