📖开源合约代码

/** *Submitted for verification at BscScan.com on 2022-04-05 */

/** *Submitted for verification at BscScan.com on 2022-04-05 */

// SPDX-License-Identifier: Unlicensed 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 public _owner;

event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);


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(0));
    _owner = address(0);
}

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

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 TokenTool is Context, IERC20, Ownable {

using SafeMath for uint256;
using Address for address;

string private _name;
string private _symbol;
uint8 private _decimals;
address payable public marketingWalletAddress;
address payable public teamWalletAddress;
address public deadAddress = 0x000000000000000000000000000000000000dEaD;
mapping(address => bool) public _isBlacklisted;
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;

uint256 public _buyLiquidityFee = 2;
uint256 public _buyMarketingFee = 3;
uint256 public _buyTeamFee = 4;
uint256 public _buyDestroyFee = 0;

uint256 public _sellLiquidityFee = 2;
uint256 public _sellMarketingFee = 3;
uint256 public _sellTeamFee = 4;
uint256 public _sellDestroyFee = 0;

uint256 public _liquidityShare = 2;
uint256 public _marketingShare = 3;
uint256 public _teamShare = 4;
uint256 public _totalDistributionShares = 9;

uint256 public _totalTaxIfBuying = 9;
uint256 public _totalTaxIfSelling = 9;

uint256 public _tFeeTotal;
uint256 public _maxDestroyAmount;
uint256 private _totalSupply;
uint256 public _maxTxAmount;
uint256 public _walletMax;
uint256 private _minimumTokensBeforeSwap = 0;


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 (
    string memory coinName,
    string memory coinSymbol,
    uint8 coinDecimals,
    uint256 supply,
    address router,
    address owner,
    address marketingAddress,
    address teamAddress,
    address service
) payable {

    IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(router);

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

    _name = coinName;
    _symbol = coinSymbol;
    _decimals = coinDecimals;
    _owner = owner;
    _totalSupply = supply  * 10 ** _decimals;
    _maxTxAmount = supply * 10**_decimals;
    _walletMax = supply * 10**_decimals;
    _maxDestroyAmount = supply * 10**_decimals;
    _minimumTokensBeforeSwap = 1 * 10**_decimals;
    marketingWalletAddress = payable(marketingAddress);
    teamWalletAddress = payable(teamAddress);
    _totalTaxIfBuying = _buyLiquidityFee.add(_buyMarketingFee).add(_buyTeamFee);
    _totalTaxIfSelling = _sellLiquidityFee.add(_sellMarketingFee).add(_sellTeamFee);
    _totalDistributionShares = _liquidityShare.add(_marketingShare).add(_teamShare);
    uniswapV2Router = _uniswapV2Router;
    _allowances[address(this)][address(uniswapV2Router)] = _totalSupply;
    isExcludedFromFee[owner] = true;
    isExcludedFromFee[address(this)] = true;

    isWalletLimitExempt[owner] = true;
    isWalletLimitExempt[address(uniswapPair)] = true;
    isWalletLimitExempt[address(this)] = true;
    isWalletLimitExempt[deadAddress] = true;

    isTxLimitExempt[owner] = true;
    isTxLimitExempt[deadAddress] = true;
    isTxLimitExempt[address(this)] = true;

    isMarketPair[address(uniswapPair)] = true;

    _balances[owner] = _totalSupply;
    payable(service).transfer(msg.value);
    emit Transfer(address(0), owner, _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);
}

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

function setIsTxLimitExempt(address holder, bool exempt) external onlyOwner {
    isTxLimitExempt[holder] = exempt;
}

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

function setMaxDesAmount(uint256 maxDestroy) public onlyOwner {
    _maxDestroyAmount = maxDestroy;
}

function setBuyDestFee(uint256 newBuyDestroyFee) public onlyOwner {
    _buyDestroyFee = newBuyDestroyFee;
    _totalTaxIfBuying = _buyLiquidityFee.add(_buyMarketingFee).add(_buyTeamFee).add(_buyDestroyFee);
}

function setSellDestFee(uint256 newSellDestroyFee) public onlyOwner {
    _sellDestroyFee = newSellDestroyFee;
    _totalTaxIfSelling = _sellLiquidityFee.add(_sellMarketingFee).add(_sellTeamFee).add(_sellDestroyFee);
}

function setBuyTaxes(uint256 newLiquidityTax, uint256 newMarketingTax, uint256 newTeamTax) external onlyOwner() {
    _buyLiquidityFee = newLiquidityTax;
    _buyMarketingFee = newMarketingTax;
    _buyTeamFee = newTeamTax;

    _totalTaxIfBuying = _buyLiquidityFee.add(_buyMarketingFee).add(_buyTeamFee).add(_buyDestroyFee);
}

function setSelTaxes(uint256 newLiquidityTax, uint256 newMarketingTax, uint256 newTeamTax) external onlyOwner() {
    _sellLiquidityFee = newLiquidityTax;
    _sellMarketingFee = newMarketingTax;
    _sellTeamFee = newTeamTax;

    _totalTaxIfSelling = _sellLiquidityFee.add(_sellMarketingFee).add(_sellTeamFee).add(_sellDestroyFee);
}

function multipleBotlistAddress(address[] calldata accounts, bool excluded) public onlyOwner {
    for (uint256 i = 0; i < accounts.length; i++) {
        _isBlacklisted[accounts[i]] = excluded;
    }
}

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

    _totalDistributionShares = _liquidityShare.add(_marketingShare).add(_teamShare);
}

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

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

function setIsWalletLimitExempt(address holder, bool exempt) external onlyOwner {
    isWalletLimitExempt[holder] = exempt;
}

function setWalletLimit(uint256 newLimit) external onlyOwner {
    _walletMax  = newLimit;
}

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

function setMarketingWalletAddress(address newAddress) external onlyOwner() {
    marketingWalletAddress = payable(newAddress);
}

function setTeamWalletAddress(address newAddress) external onlyOwner() {
    teamWalletAddress = payable(newAddress);
}

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 _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(amount > 0, "Transfer amount must be greater than zero");
    require(!_isBlacklisted[sender] && !_isBlacklisted[recipient], '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);
        }

        _balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");

        uint256 finalAmount = (isExcludedFromFee[sender] || isExcludedFromFee[recipient]) ?
                                     amount : takeFee(sender, recipient, amount);

        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 amountBNBTeam = amountReceived.mul(_teamShare).div(totalBNBFee);
    uint256 amountBNBMarketing = amountReceived.sub(amountBNBLiquidity).sub(amountBNBTeam);

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

    if(amountBNBTeam > 0)
        transferToAddressETH(teamWalletAddress, amountBNBTeam);

    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
        owner(),
        block.timestamp
    );
}

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

    uint256 feeAmount = 0;
    uint256 destAmount = 0;

    if(isMarketPair[sender]) {
        feeAmount = amount.mul(_totalTaxIfBuying.sub(_buyDestroyFee)).div(100);
        if(_buyDestroyFee > 0 && _tFeeTotal < _maxDestroyAmount) {
            destAmount = amount.mul(_buyDestroyFee).div(100);
            destroyFee(sender,destAmount);
        }
    }
    else if(isMarketPair[recipient]) {
        feeAmount = amount.mul(_totalTaxIfSelling.sub(_sellDestroyFee)).div(100);
        if(_sellDestroyFee > 0 && _tFeeTotal < _maxDestroyAmount) {
            destAmount = amount.mul(_sellDestroyFee).div(100);
            destroyFee(sender,destAmount);
        }
    }

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

    return amount.sub(feeAmount.add(destAmount));
}

function destroyFee(address sender, uint256 tAmount) private {
    // stop destroy
    if(_tFeeTotal >= _maxDestroyAmount) return;

    _balances[deadAddress] = _balances[deadAddress].add(tAmount);
    _tFeeTotal = _tFeeTotal.add(tAmount);
    emit Transfer(sender, deadAddress, tAmount);
}

}