contract Ridge is IERC20Upgradeable, OwnableUpgradeable {
    using SafeMath for uint256;
    using Address for address;

    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 _isExcludedFromMaxTx;
    mapping (address => bool) private _isExcluded;
    address[] private _excluded;
    uint256 private constant MAX = ~uint256(0);
    uint256 private _tTotal;
    uint256 private _rTotal;
    uint256 private _tFeeTotal;
    string private _name;
    string private _symbol;
    uint8 private _decimals;
    uint256 public _maxTxAmount;
    uint256 public _taxFee;
    uint256 private _previousTaxFee = _taxFee;
    uint256 public _liquidityFee;
    uint256 private _previousLiquidityFee = _liquidityFee;
    uint256 public _charityFee;
    uint256 private _previousCharityFee = _charityFee;
    uint256 public _marketingFee;
    uint256 private _previousMarketingFee = _marketingFee;
    address public _charityAddress;
    address public _marketingAddress;
    address public uniswapV2Pair;
    IUniswapV2Router02 public uniswapV2Router;
    
    bool inSwapAndLiquify;
    bool public swapAndLiquifyEnabled = false;
    uint256 private numTokensSellToAddToLiquidity;

    event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
    event SwapAndLiquifyEnabledUpdated(bool enabled);
    event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity);
    
    modifier lockTheSwap {
        inSwapAndLiquify = true;
        _;
        inSwapAndLiquify = false;
    }
    
    function initialize () external initializer {
        string memory name_ = "Ridge" ;                             
        string memory symbol_ = "RIDGE";
        uint256 totalSupply_ = 1000000000000* 10**9;                                // 1000000000000 -> 1 trillion
        address owner_ = 0x0638eaA4FcCbe1b3fCd532D03162D39F9698ac49;                // Owner address.
        address router_ = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;              // Uniswap Router
        address charityAddress_ = 0x8D4FEAA1a03F2136B8C9C9dd736171214a86753d;       // Charity wallet addresss.
        address marketingAddress_ = 0xA60b690237F39997681bd3551998c47F7747fCc6;     // Marketing wallet address.
        uint16 taxFeeBps_ = 100;                                                    // Tax fee.
        uint16 liquidityFeeBps_ = 400;                                              // Liquidity fee.
        uint16 charityFeeBps_ = 100;                                                // Charity fee.
        uint16 marketingFeeBps_ = 600;                                              // Mrketing fee.
        uint16 maxTxBps_ = 400;                                                     // Max transaction.

        require(taxFeeBps_ >= 0 && taxFeeBps_ <= 10**4, "Invalid tax fee.");
        require(liquidityFeeBps_ >= 0 && liquidityFeeBps_ <= 10**4, "Invalid liquidity fee.");
        require(charityFeeBps_ >= 0 && charityFeeBps_ <= 10**4, "Invalid charity fee.");
        require(marketingFeeBps_ >= 0 && marketingFeeBps_ <= 10**4, "Invalit marketing fee.");
        require(maxTxBps_ > 0 && maxTxBps_ <= 10**4, "Invalid max tx amount.");
        require(taxFeeBps_ + liquidityFeeBps_ + charityFeeBps_  + marketingFeeBps_ <= 10**4, "Total fee is over 100% of transfer amount.");

        OwnableUpgradeable.__Ownable_init();
        transferOwnership(owner_); 

        _name = name_;
        _symbol = symbol_;
        _decimals = 9;
        _tTotal = totalSupply_;
        _rTotal = (MAX - (MAX % _tTotal));
        _taxFee = taxFeeBps_;
        _previousTaxFee = _taxFee;
        _liquidityFee = liquidityFeeBps_;
        _previousLiquidityFee = _liquidityFee;
        _charityAddress = charityAddress_;
        _charityFee = charityFeeBps_;
        _previousCharityFee = _charityFee;
        _marketingAddress = marketingAddress_;
        _marketingFee = marketingFeeBps_;
        _previousMarketingFee = _marketingFee;

        _maxTxAmount = totalSupply_.mul(maxTxBps_).div(10**4);
        numTokensSellToAddToLiquidity = totalSupply_.mul(5).div(10**4); // 0.05%
        
        _rOwned[owner()] = _rTotal;
        
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(router_);
         // Create a uniswap pair for this new token.
        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
        uniswapV2Router = _uniswapV2Router;
        
        // Exclude Owner and this contract from fee.
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;

        // Exclude Owner, Dead, Contract, Marketing, Charity from max TX amount.
        _isExcludedFromMaxTx[address(this)] = true;
        _isExcludedFromMaxTx[address(0xdead)] = true;
        _isExcludedFromMaxTx[address(0)] = true;
        _isExcludedFromMaxTx[address(_marketingAddress)] = true;
        _isExcludedFromMaxTx[address(_charityAddress)] = true;
        
        emit Transfer(address(0), owner(), _tTotal);
    }

    function name() public view returns (string memory) {
        return _name;
    }

    function symbol() public view returns (string memory) {
        return _symbol;
    }

    function decimals() public view returns (uint8) {
        return _decimals;
    }

    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);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }

    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;
    }

    function isExcludedFromReward(address account) public view returns (bool) {
        return _isExcluded[account];
    }

    function totalFees() public view returns (uint256) {
        return _tFeeTotal;
    }

    function deliver(uint256 tAmount) public {
        address sender = _msgSender();
        require(!_isExcluded[sender], "Excluded addresses cannot call this function");
        
        (uint256 tFee, uint256 tLiquidity, uint256 tCharity, uint256 tMarketing) = _getTValues(tAmount);
        (uint256 rAmount,,) = _getRValues(tAmount, tFee, tLiquidity, tCharity, tMarketing, _getRate());
        
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _rTotal = _rTotal.sub(rAmount);
        _tFeeTotal = _tFeeTotal.add(tAmount);
    }

    function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
        require(tAmount <= _tTotal, "Amount must be less than supply");
        if (!deductTransferFee) {
            (uint256 tFee, uint256 tLiquidity, uint256 tCharity, uint256 tMarketing) = _getTValues(tAmount);
            (uint256 rAmount,,) = _getRValues(tAmount, tFee, tLiquidity, tCharity, tMarketing, _getRate());
            return rAmount;
        } else {
            (uint256 tFee, uint256 tLiquidity, uint256 tCharity, uint256 tMarketing) = _getTValues(tAmount);
            (,uint256 rTransferAmount,) = _getRValues(tAmount, tFee, tLiquidity, tCharity, tMarketing, _getRate());
            return rTransferAmount;
        }
    }

    function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
        require(rAmount <= _rTotal, "Amount must be less than total reflections");
        uint256 currentRate =  _getRate();
        return rAmount.div(currentRate);
    }

    function excludeFromReward(address account) public onlyOwner() {
        // require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.'); // TODO: check this one up
        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 already 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 _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
        (uint256 tFee, uint256 tLiquidity, uint256 tCharity, uint256 tMarketing) = _getTValues(tAmount);
        uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity).sub(tCharity).sub(tMarketing);
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, tCharity, tMarketing, _getRate());
        
        _tOwned[sender] = _tOwned[sender].sub(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);   
        _takeLiquidity(tLiquidity);
        _takeCharityFee(tCharity);
        _takeMarketingFee(tMarketing);
        _reflectFee(rFee, tFee);
        emit Transfer(sender, recipient, tTransferAmount);
    }
    
    function excludeFromFee(address account) public onlyOwner {
        _isExcludedFromFee[account] = true;
    }
    
    function includeInFee(address account) public onlyOwner {
        _isExcludedFromFee[account] = false;
    }

    function setExcludeFromMaxTx(address account, bool exclude) public onlyOwner { 
        _isExcludedFromMaxTx[account] = exclude;
    }

    function isExcludedFromMaxTx(address account) public view returns (bool) {
        return _isExcludedFromMaxTx[account];
    }
    
    function setTaxFeePercent(uint256 taxFeeBps) external onlyOwner() {
        require(taxFeeBps >= 0 && taxFeeBps <= 10**4, "Invalid bps");
        _taxFee = taxFeeBps;
    }
    
    function setLiquidityFeePercent(uint256 liquidityFeeBps) external onlyOwner() {
        require(liquidityFeeBps >= 0 && liquidityFeeBps <= 10**4, "Invalid bps");
        _liquidityFee = liquidityFeeBps;
    }

    function setCharityFeePercent(uint256 charityFeeBps) external onlyOwner() {
        require(charityFeeBps >= 0 && charityFeeBps <= 10**4, "Invalid bps");
        _charityFee = charityFeeBps;
    }
    
    function setMarketingFeePercent(uint256 marketingFeeBps) external onlyOwner() {
        require(marketingFeeBps >= 0 && marketingFeeBps <= 10**4, "Invalid bps");
        _marketingFee = marketingFeeBps;
    }

    function setMaxTxPercent(uint256 maxTxBps) external onlyOwner() {
        require(maxTxBps >= 0 && maxTxBps <= 10**4, "Invalid bps");
        _maxTxAmount = _tTotal.mul(maxTxBps).div(10**4);
    }

    function setMarketingWallet(address account) external onlyOwner() {
        if (account == address(0)) {
            require(_marketingFee == 0, "Cant set both marketing address to address 0 while markeing percent more than 0.");
        }
        _marketingAddress = account;
    }

    function setCharityWallet(address account) external onlyOwner() {
        if (account == address(0)) {
            require(_charityFee == 0, "Cant set both charity address to address 0 while charity percent more than 0.");
        }
        _charityAddress = account;
    }

    function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
        swapAndLiquifyEnabled = _enabled;
        emit SwapAndLiquifyEnabledUpdated(_enabled);
    }
    
     // To recieve ETH from uniswapV2Router when swaping.
    receive() external payable {}

    function _reflectFee(uint256 rFee, uint256 tFee) private {
        _rTotal = _rTotal.sub(rFee);
        _tFeeTotal = _tFeeTotal.add(tFee);
    }

    function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256) {
        uint256 tFee = calculateTaxFee(tAmount);
        uint256 tLiquidity = calculateLiquidityFee(tAmount);
        uint256 tCharityFee = calculateCharityFee(tAmount);
        uint256 tMarketingFee = calculateMarketingFee(tAmount);
        return (tFee, tLiquidity, tCharityFee, tMarketingFee);
    }

    function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity, uint256 tMarketing, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
        uint256 rAmount = tAmount.mul(currentRate);
        uint256 rFee = tFee.mul(currentRate);
        uint256 rLiquidity = tLiquidity.mul(currentRate);
        uint256 rCharity = tCharity.mul(currentRate);
        uint256 rMarketing = tMarketing.mul(currentRate);
        uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity).sub(rCharity).sub(rMarketing);
        return (rAmount, rTransferAmount, rFee);
    }

    function _getRate() private view returns(uint256) {
        (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
        return rSupply.div(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 = rSupply.sub(_rOwned[_excluded[i]]);
            tSupply = tSupply.sub(_tOwned[_excluded[i]]);
        }
        if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
        return (rSupply, tSupply);
    }
    
    function _takeLiquidity(uint256 tLiquidity) private {
        uint256 currentRate =  _getRate();
        uint256 rLiquidity = tLiquidity.mul(currentRate);
        _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
        if(_isExcluded[address(this)])
            _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
    }

    function _takeCharityFee(uint256 tCharity) private {
        if (tCharity > 0 ) {
            uint256 currentRate =  _getRate();
            uint256 rCharity = tCharity.mul(currentRate);
            _rOwned[_charityAddress] = _rOwned[_charityAddress].add(rCharity);
            if (_isExcluded[_charityAddress])
                _tOwned[_charityAddress] = _tOwned[_charityAddress].add(tCharity);
            emit Transfer(_msgSender(), _charityAddress, tCharity);
        }
    }

    function _takeMarketingFee(uint256 tMarketing) private {
        if(tMarketing > 0){
            uint256 currentRate = _getRate();
            uint256 rMarketing = tMarketing.mul(currentRate);
            _rOwned[_marketingAddress] = _rOwned[_marketingAddress].add(rMarketing);

            if(_isExcluded[_marketingAddress])
                _tOwned[_marketingAddress] = _tOwned[_marketingAddress].add(tMarketing);

            emit Transfer(_msgSender(), _marketingAddress, tMarketing);
        }
    }
    
    function calculateTaxFee(uint256 _amount) private view returns (uint256) {
        return _amount.mul(_taxFee).div(10**4);
    }

    function calculateLiquidityFee(uint256 _amount) private view returns (uint256) {
        return _amount.mul(_liquidityFee).div(10**4);
    }

    function calculateCharityFee(uint256 _amount) private view returns (uint256) {
        if (_charityAddress == address(0)) return 0;
        return _amount.mul(_charityFee).div(10**4);
    }

    function calculateMarketingFee(uint256 _amount) private view returns (uint256){
        if(_marketingAddress == address(0)) return 0;
        return _amount.mul(_marketingFee).div(10**4);
    }
    
    function removeAllFee() private {
        if(_taxFee == 0 && _liquidityFee == 0 && _charityFee == 0 && _marketingFee == 0) return;
        
        _previousTaxFee = _taxFee;
        _previousLiquidityFee = _liquidityFee;
        _previousCharityFee = _charityFee;
        _previousMarketingFee = _marketingFee;
        
        _taxFee = 0;
        _liquidityFee = 0;
        _charityFee = 0;
        _marketingFee = 0;
    }
    
    function restoreAllFee() private {
        _taxFee = _previousTaxFee;
        _liquidityFee = _previousLiquidityFee;
        _charityFee = _previousCharityFee;
        _marketingFee = _previousMarketingFee;
    }
    
    function isExcludedFromFee(address account) public view returns(bool) {
        return _isExcludedFromFee[account];
    }

    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 {
        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()) {
            if (!_isExcludedFromMaxTx[from] && !_isExcludedFromMaxTx[to]) {
                require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
            }
        }

        // Is the token balance of this contract address over the min number of
        // tokens that we need to initiate a swap + liquidity lock?
        // Don't get caught in a circular liquidity event.
        // Don't swap & liquify if sender is uniswap pair.
        uint256 contractTokenBalance = balanceOf(address(this));
        
        if(contractTokenBalance >= _maxTxAmount)
        {
            contractTokenBalance = _maxTxAmount;
        }
        
        bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity;
        if (
            overMinTokenBalance &&
            !inSwapAndLiquify &&
            from != uniswapV2Pair &&
            swapAndLiquifyEnabled
        ) {
            contractTokenBalance = numTokensSellToAddToLiquidity;
            // Add liquidity.
            swapAndLiquify(contractTokenBalance);
        }
        
        bool takeFee = true;
        
        // If any account belongs to _isExcludedFromFee account, remove the fee.
        if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
            takeFee = false;
        }
        
        // Transfer amount, it will take tax, burn, liquidity, marketing, charity fee.
        _tokenTransfer(from,to,amount,takeFee);
    }

    function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
        // Split the contract balance into halves.
        uint256 half = contractTokenBalance.div(2);
        uint256 otherHalf = contractTokenBalance.sub(half);

        // Capture the contract's current ETH balance.
        // Include only swap created ETH and exclude manually transfered ETH.
        uint256 initialBalance = address(this).balance;

        // Swap tokens for ETH.
        swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered

        // How much ETH did we just swap into?
        uint256 newBalance = address(this).balance.sub(initialBalance);

        // Add liquidity to uniswap.
        addLiquidity(otherHalf, newBalance);
        
        emit SwapAndLiquify(half, newBalance, otherHalf);
    }

    function swapTokensForEth(uint256 tokenAmount) private {
        // Generate the uniswap pair path of token -> weth
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();

        _approve(address(this), address(uniswapV2Router), tokenAmount);

        // Do the swap.
        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0, // Accept any amount of ETH.
            path,
            address(this),
            block.timestamp
        );
    }

    function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
        // Approve token transfer.
        _approve(address(this), address(uniswapV2Router), tokenAmount);

        // Add the liquidity.
        uniswapV2Router.addLiquidityETH{value: ethAmount}(
            address(this),
            tokenAmount,
            0, // Slippage is unavoidable.
            0, // Slippage is unavoidable.
            owner(),
            block.timestamp
        );
    }

    // This method is responsible for taking all fee, if takeFee is set to true.
    function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
        if(!takeFee)
            removeAllFee();
        
        if (_isExcluded[sender] && !_isExcluded[recipient]) {
            _transferFromExcluded(sender, recipient, amount);
        } else if (!_isExcluded[sender] && _isExcluded[recipient]) {
            _transferToExcluded(sender, recipient, amount);
        } else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
            _transferStandard(sender, recipient, amount);
        } else if (_isExcluded[sender] && _isExcluded[recipient]) {
            _transferBothExcluded(sender, recipient, amount);
        } else {
            _transferStandard(sender, recipient, amount);
        }
        
        if(!takeFee)
            restoreAllFee();
    }

    function _transferStandard(address sender, address recipient, uint256 tAmount) private {
        (uint256 tFee, uint256 tLiquidity, uint256 tCharity, uint256 tMarketing) = _getTValues(tAmount);
        uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity).sub(tCharity).sub(tMarketing);
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, tCharity, tMarketing, _getRate());
        
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
        _takeLiquidity(tLiquidity);
        _takeCharityFee(tCharity);
        _takeMarketingFee(tMarketing);
        _reflectFee(rFee, tFee);
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
        (uint256 tFee, uint256 tLiquidity, uint256 tCharity, uint256 tMarketing) = _getTValues(tAmount);
        uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity).sub(tCharity).sub(tMarketing);
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, tCharity, tMarketing, _getRate());
        
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);           
        _takeLiquidity(tLiquidity);
        _takeCharityFee(tCharity);
        _takeMarketingFee(tMarketing);
        _reflectFee(rFee, tFee);
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
        (uint256 tFee, uint256 tLiquidity, uint256 tCharity, uint256 tMarketing) = _getTValues(tAmount);
        uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity).sub(tCharity).sub(tMarketing);
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, tCharity, tMarketing, _getRate());

        _tOwned[sender] = _tOwned[sender].sub(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);   
        _takeLiquidity(tLiquidity);
        _takeCharityFee(tCharity);
        _takeMarketingFee(tMarketing);
        _reflectFee(rFee, tFee);
        emit Transfer(sender, recipient, tTransferAmount);
    }
}
function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
    if(!takeFee)
        removeAllFee();
        
    if (_isExcluded[sender] && !_isExcluded[recipient]) {
        _transferFromExcluded(sender, recipient, amount);
    } else if (!_isExcluded[sender] && _isExcluded[recipient]) {
        _transferToExcluded(sender, recipient, amount);
    } else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
        _transferStandard(sender, recipient, amount);
    } else if (_isExcluded[sender] && _isExcluded[recipient]) {
        _transferBothExcluded(sender, recipient, amount);
    } else {
        _transferStandard(sender, recipient, amount);
    }
        
    if(!takeFee)
        restoreAllFee();
}

// This method is responsible for taking all fee, if takeFee is set to true.