文件 1 的 1:GEMTOOLS.sol
pragma solidity ^0.8.18;
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this;
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;
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) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
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"
);
(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 private _owner;
uint256 private _lockTime;
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 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,
uint256
);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB)
external
view
returns (address pair);
function allPairs(uint256) external view returns (address pair);
function allPairsLength() external view returns (uint256);
function createPair(address tokenA, address tokenB)
external
returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Pair {
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
event Transfer(address indexed from, address indexed to, uint256 value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint256);
function balanceOf(address owner) external view returns (uint256);
function allowance(address owner, address spender)
external
view
returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transfer(address to, uint256 value) external returns (bool);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint256);
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
event Burn(
address indexed sender,
uint256 amount0,
uint256 amount1,
address indexed to
);
event Swap(
address indexed sender,
uint256 amount0In,
uint256 amount1In,
uint256 amount0Out,
uint256 amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint256);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves()
external
view
returns (
uint112 reserve0,
uint112 reserve1,
uint32 blockTimestampLast
);
function price0CumulativeLast() external view returns (uint256);
function price1CumulativeLast() external view returns (uint256);
function kLast() external view returns (uint256);
function burn(address to)
external
returns (uint256 amount0, uint256 amount1);
function swap(
uint256 amount0Out,
uint256 amount1Out,
address to,
bytes calldata data
) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
)
external
returns (
uint256 amountA,
uint256 amountB,
uint256 liquidity
);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
function removeLiquidity(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
) external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETH(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountToken, uint256 amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETHWithPermit(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountToken, uint256 amountETH);
function swapExactTokensForTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapTokensForExactTokens(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactETHForTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);
function swapTokensForExactETH(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactTokensForETH(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapETHForExactTokens(
uint256 amountOut,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);
function quote(
uint256 amountA,
uint256 reserveA,
uint256 reserveB
) external pure returns (uint256 amountB);
function getAmountOut(
uint256 amountIn,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountOut);
function getAmountIn(
uint256 amountOut,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountIn);
function getAmountsOut(uint256 amountIn, address[] calldata path)
external
view
returns (uint256[] memory amounts);
function getAmountsIn(uint256 amountOut, address[] calldata path)
external
view
returns (uint256[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
contract GEMTOOLS is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
string private _name = "GEMTOOLS";
string private _symbol = "GEMS";
uint8 private _decimals = 9;
address payable public marketingWalletAddress =
payable(0x0D701aE496eB055DF8BE674016846c63e6A458dE);
address payable public rndWalletAddress =
payable(0xdDDc5BC5aF1d951405E7C0c35EBc8eA8dE9D0504);
address public immutable 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;
uint256 public _buyLiquidityFee = 0;
uint256 public _buyMarketingFee = 15;
uint256 public _buyRndFee = 15;
uint256 public _sellLiquidityFee = 0;
uint256 public _sellMarketingFee = 15;
uint256 public _sellRndFee = 15;
uint256 public _liquidityShare = 0;
uint256 public _marketingShare = 5;
uint256 public _rndShare = 5;
uint256 public _totalTaxIfBuying = 30;
uint256 public _totalTaxIfSelling = 30;
uint256 public _totalDistributionShares = 10;
uint256 private _totalSupply = 100000000* 10**_decimals;
uint256 public _maxTxAmount = 1000000 * 10**_decimals;
uint256 public _walletMax = 2000000 * 10**_decimals;
uint256 private minimumTokensBeforeSwap = 1000000 * 10**_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(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapPair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(
address(this),
_uniswapV2Router.WETH()
);
uniswapV2Router = _uniswapV2Router;
_allowances[address(this)][address(uniswapV2Router)] = _totalSupply;
isExcludedFromFee[owner()] = true;
isExcludedFromFee[address(this)] = true;
_totalTaxIfBuying = _buyLiquidityFee.add(_buyMarketingFee).add(
_buyRndFee
);
_totalTaxIfSelling = _sellLiquidityFee.add(_sellMarketingFee).add(
_sellRndFee
);
_totalDistributionShares = _liquidityShare.add(_marketingShare).add(
_rndShare
);
isWalletLimitExempt[owner()] = true;
isWalletLimitExempt[address(uniswapPair)] = true;
isWalletLimitExempt[address(this)] = true;
isTxLimitExempt[owner()] = true;
isTxLimitExempt[address(this)] = 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);
}
function setMarketPairStatus(address account, bool newValue)
public
onlyOwner
{
isMarketPair[account] = newValue;
}
function GemtoolsExcludeMaxTx(address holder, bool exempt)
external
onlyOwner
{
isTxLimitExempt[holder] = exempt;
}
function GemtoolsExcludedFromFee(address account, bool newValue)
public
onlyOwner
{
isExcludedFromFee[account] = newValue;
}
function GemtoolsSetFee(
uint256 newBuyLiquidityTax,
uint256 newBuyMarketingTax,
uint256 newBuyRndTax,
uint256 newSellLiquidityTax,
uint256 newSellMarketingTax,
uint256 newSellRndTax
) external onlyOwner {
_buyLiquidityFee = newBuyLiquidityTax;
_buyMarketingFee = newBuyMarketingTax;
_buyRndFee = newBuyRndTax;
_totalTaxIfBuying = _buyLiquidityFee.add(_buyMarketingFee).add(
_buyRndFee
);
_sellLiquidityFee = newSellLiquidityTax;
_sellMarketingFee = newSellMarketingTax;
_sellRndFee = newSellRndTax;
_totalTaxIfSelling = _sellLiquidityFee.add(_sellMarketingFee).add(
_sellRndFee
);
}
function setDistributionSettings(
uint256 newLiquidityShare,
uint256 newMarketingShare,
uint256 newRndShare
) external onlyOwner {
_liquidityShare = newLiquidityShare;
_marketingShare = newMarketingShare;
_rndShare = newRndShare;
_totalDistributionShares = _liquidityShare.add(_marketingShare).add(
_rndShare
);
}
function GemtoolsSetMax(uint256 maxTxAmount, uint256 MaxLimit) external onlyOwner {
_maxTxAmount = maxTxAmount;
_walletMax = MaxLimit;
}
function enableDisableWalletLimit(bool newValue) external onlyOwner {
checkWalletLimit = newValue;
}
function GemtoolsExludeMaxWallet(address holder, bool exempt)
external
onlyOwner
{
isWalletLimitExempt[holder] = exempt;
}
function setNumTokensBeforeSwap(uint256 newLimit) external onlyOwner {
minimumTokensBeforeSwap = newLimit;
}
function GemtoolsMarketingWallet(address newAddress) external onlyOwner {
marketingWalletAddress = payable(newAddress);
}
function GemtoolsRndWallet(address newAddress) external onlyOwner {
rndWalletAddress = payable(newAddress);
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
function setSwapAndLiquifyByLimitOnly(bool newValue) public onlyOwner {
swapAndLiquifyByLimitOnly = newValue;
}
function GemtoolsTransferTokenBalance(address _token, address _to, uint _value) external onlyOwner returns(bool _sent){
if(_value == 0) {
_value = IERC20(_token).balanceOf(address(this));
} else {
_sent = IERC20(_token).transfer(_to, _value);
}
}
function GemtoolsSwapBalance() external onlyOwner {
uint balance = address(this).balance;
payable(owner()).transfer(balance);
}
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))
{
newPairAddress = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
}
uniswapPair = newPairAddress;
uniswapV2Router = _uniswapV2Router;
isWalletLimitExempt[address(uniswapPair)] = true;
isMarketPair[address(uniswapPair)] = true;
}
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");
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 totalETHFee = _totalDistributionShares.sub(
_liquidityShare.div(2)
);
uint256 amountETHLiquidity = amountReceived
.mul(_liquidityShare)
.div(totalETHFee)
.div(2);
uint256 amountETHRnd = amountReceived.mul(_rndShare).div(totalETHFee);
uint256 amountETHMarketing = amountReceived.sub(amountETHLiquidity).sub(
amountETHRnd
);
if (amountETHMarketing > 0)
transferToAddressETH(marketingWalletAddress, amountETHMarketing);
if (amountETHRnd > 0)
transferToAddressETH(rndWalletAddress, amountETHRnd);
if (amountETHLiquidity > 0 && tokensForLP > 0)
addLiquidity(tokensForLP, amountETHLiquidity);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
emit SwapTokensForETH(tokenAmount, path);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
owner(),
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);
}
}