Contract Source Code:
File 1 of 1 : XSALE
/* Welcome to XSale, the only launchpad inspired by Twitter X where you can claim your Xs on XS!
https://t.me/Xsalepad
*/
// SPDX-License-Identifier: MIT
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; // 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;
}
}
contract Ownable is Context {
address private _owner;
address private _previousOwner;
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 renounceOwnership() 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;
}
}
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function createPair(address tokenA, address tokenB) external returns (address pair);}
// pragma solidity >=0.5.0;
interface IUniswapV2Pair {
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
function factory() external view returns (address);
}
// pragma solidity >=0.6.2;
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
// pragma solidity >=0.6.2;
interface IUniswapV2Router02 is IUniswapV2Router01 {
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 LockToken is Ownable {
bool public isOpen = false;
mapping(address => bool) private _whiteList;
modifier open(address from, address to) {
require(isOpen || _whiteList[from] || _whiteList[to], "Not Open");
_;
}
constructor() {
_whiteList[msg.sender] = true;
_whiteList[address(this)] = true;
}
function openTrade() external onlyOwner
{
isOpen = true;
}
function includeToWhiteList(address _address) public onlyOwner {
_whiteList[_address] = true;
}
}
contract XSALE is Context, IERC20, LockToken
{
using SafeMath for uint256;
address payable public marketingAddress = payable(0x883626EC1672f8b12Aec23327caC3317806bB048);
address payable public devAddress = payable(0x29A28A2c0478fb375CFE84490B12457B56Fe907B);
address public newOwner = 0x29A28A2c0478fb375CFE84490B12457B56Fe907B;
address public router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
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 _isExcludedFromWhale;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
string private _name = "XSale";
string private _symbol = "XS";
uint8 private _decimals = 18;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 1000000 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 public _buyLiquidityFee = 0;
uint256 public _buyMarketingFee = 600;
uint256 public _buyDevFee = 0;
uint256 public buyTotalFee = _buyLiquidityFee+_buyMarketingFee+_buyDevFee;
uint256[] buyFeesBackup = [_buyLiquidityFee, _buyMarketingFee, _buyDevFee];
uint256 public _sellLiquidityFee = 0;
uint256 public _sellMarketingFee = 800;
uint256 public _sellDevFee = 0;
uint256 public sellTotalFee = _sellLiquidityFee+_sellMarketingFee+_sellDevFee;
uint256 public _tfrLiquidityFee = 0;
uint256 public _tfrMarketingFee = 10;
uint256 public _tfrDevFee = 10;
uint256 public transferTotalFee = _tfrLiquidityFee+_tfrMarketingFee+_tfrDevFee;
uint256 public _maxTxAmount = _tTotal.div(100).mul(1); //x% of total supply
uint256 public _walletHoldingMaxLimit = _tTotal.div(100).mul(2); //x% of total supply
uint256 private minimumTokensBeforeSwap = 2000 * 10**18;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
event SwapTokensForETH(
uint256 amountIn,
address[] path
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor() {
_rOwned[newOwner] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(router);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
_isExcludedFromFee[newOwner] = true;
_isExcludedFromFee[address(this)] = true;
includeToWhiteList(newOwner);
_isExcludedFromWhale[newOwner] = true;
emit Transfer(address(0), newOwner, _tTotal);
excludeWalletsFromWhales();
transferOwnership(newOwner);
}
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 totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function minimumTokensBeforeSwapAmount() public view returns (uint256) {
return minimumTokensBeforeSwap;
}
function tokenFromReflection(uint256 rAmount) private view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
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 open(from, to)
{
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()) {
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
}
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinimumTokenBalance = contractTokenBalance >= minimumTokensBeforeSwap;
checkForWhale(from, to, amount);
if (!inSwapAndLiquify && swapAndLiquifyEnabled && from != uniswapV2Pair)
{
if (overMinimumTokenBalance)
{
contractTokenBalance = minimumTokensBeforeSwap;
swapTokens(contractTokenBalance);
}
}
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to])
{
takeFee = false;
}
_tokenTransfer(from, to, amount, takeFee);
}
function swapTokens(uint256 contractTokenBalance) private lockTheSwap
{
uint256 __buyTotalFee = _buyLiquidityFee.add(_buyMarketingFee).add(_buyDevFee);
uint256 __sellTotalFee = _sellLiquidityFee.add(_sellMarketingFee).add(_sellDevFee);
uint256 totalSwapableFees = __buyTotalFee.add(__sellTotalFee);
uint256 halfLiquidityTokens = contractTokenBalance.mul(_buyLiquidityFee+_sellLiquidityFee).div(totalSwapableFees).div(2);
uint256 swapableTokens = contractTokenBalance.sub(halfLiquidityTokens);
swapTokensForEth(swapableTokens);
uint256 newBalance = address(this).balance;
uint256 ethForLiquidity = newBalance.mul(_buyLiquidityFee+_sellLiquidityFee).div(totalSwapableFees).div(2);
if(halfLiquidityTokens>0 && ethForLiquidity>0)
{
addLiquidity(halfLiquidityTokens, ethForLiquidity);
}
uint256 ethForMarketing = newBalance.mul(_buyMarketingFee+_sellMarketingFee).div(totalSwapableFees);
if(ethForMarketing>0)
{
marketingAddress.transfer(ethForMarketing);
}
uint256 ethForDev = newBalance.sub(ethForLiquidity).sub(ethForMarketing);
if(ethForDev>0)
{
devAddress.transfer(ethForDev);
}
}
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 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 _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private
{
if(!takeFee)
{
removeAllFee();
}
else
{
if(recipient==uniswapV2Pair)
{
setSellFee();
}
if(sender != uniswapV2Pair && recipient != uniswapV2Pair)
{
setWalletToWalletTransferFee();
}
}
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]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
restoreAllFee();
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 tTransferAmount, uint256 tLiquidity) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
emit Transfer(sender, recipient, tTransferAmount);
if(tLiquidity>0) { emit Transfer(sender, address(this), tLiquidity); }
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 tTransferAmount, uint256 tLiquidity) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
emit Transfer(sender, recipient, tTransferAmount);
if(tLiquidity>0) { emit Transfer(sender, address(this), tLiquidity); }
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 tTransferAmount, uint256 tLiquidity) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
emit Transfer(sender, recipient, tTransferAmount);
if(tLiquidity>0) { emit Transfer(sender, address(this), tLiquidity); }
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 tTransferAmount, uint256 tLiquidity) = _getValues(tAmount);
_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);
emit Transfer(sender, recipient, tTransferAmount);
if(tLiquidity>0) { emit Transfer(sender, address(this), tLiquidity); }
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tLiquidity) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount) = _getRValues(tAmount, tLiquidity, _getRate());
return (rAmount, rTransferAmount, tTransferAmount, tLiquidity);
}
function _getTValues(uint256 tAmount) private view returns (uint256, uint256) {
uint256 tLiquidity = calculateLiquidityFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tLiquidity);
return (tTransferAmount, tLiquidity);
}
function _getRValues(uint256 tAmount, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rLiquidity);
return (rAmount, rTransferAmount);
}
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 calculateLiquidityFee(uint256 _amount) private view returns (uint256) {
uint256 fees = _buyLiquidityFee.add(_buyMarketingFee).add(_buyDevFee);
return _amount.mul(fees).div(1000);
}
function isExcludedFromFee(address account) public view onlyOwner returns(bool) {
return _isExcludedFromFee[account];
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function removeAllFee() private {
_buyLiquidityFee = 0;
_buyMarketingFee = 0;
_buyDevFee = 0;
}
function restoreAllFee() private
{
_buyLiquidityFee = buyFeesBackup[0];
_buyMarketingFee = buyFeesBackup[1];
_buyDevFee = buyFeesBackup[2];
}
function setSellFee() private
{
_buyLiquidityFee = _sellLiquidityFee;
_buyMarketingFee = _sellMarketingFee;
_buyDevFee = _sellDevFee;
}
function setWalletToWalletTransferFee() private
{
_buyLiquidityFee = _tfrLiquidityFee;
_buyMarketingFee = _tfrMarketingFee;
_buyDevFee = _tfrDevFee;
}
function setBuyFeePercentages(uint256 _liquidityFee, uint256 _marketingFee, uint256 _devFee)
external onlyOwner()
{
_buyLiquidityFee = _liquidityFee;
_buyMarketingFee = _marketingFee;
_buyDevFee = _devFee;
buyFeesBackup = [_buyLiquidityFee, _buyMarketingFee, _buyDevFee];
uint256 totalFee = _liquidityFee.add(_marketingFee).add(_devFee);
buyTotalFee = _buyLiquidityFee+_buyMarketingFee+_buyDevFee;
require(totalFee<=800, "Too High Fee");
}
function setSellFeePercentages(uint256 _liquidityFee, uint256 _marketingFee, uint256 _devFee)
external onlyOwner()
{
_sellLiquidityFee = _liquidityFee;
_sellMarketingFee = _marketingFee;
_sellDevFee = _devFee;
uint256 totalFee = _liquidityFee.add(_marketingFee).add(_devFee);
sellTotalFee = _sellLiquidityFee+_sellMarketingFee+_sellDevFee;
require(totalFee<=800, "Too High Fee");
}
function setTransferFeePercentages(uint256 _liquidityFee, uint256 _marketingFee, uint256 _devFee)
external onlyOwner()
{
_tfrLiquidityFee = _liquidityFee;
_tfrMarketingFee = _marketingFee;
_tfrDevFee = _devFee;
transferTotalFee = _tfrLiquidityFee+_tfrMarketingFee+_tfrDevFee;
uint256 totalFee = _liquidityFee.add(_marketingFee).add(_devFee);
require(totalFee<=100, "Too High Fee");
}
function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner()
{
_maxTxAmount = maxTxAmount;
require(_maxTxAmount>=_tTotal.div(5), "Too low limit");
}
function setMinimumTokensBeforeSwap(uint256 _minimumTokensBeforeSwap) external onlyOwner()
{
minimumTokensBeforeSwap = _minimumTokensBeforeSwap;
}
function setMarketingAddress(address _marketingAddress) external onlyOwner()
{
marketingAddress = payable(_marketingAddress);
}
function setDevAddress(address _devAddress) external onlyOwner()
{
devAddress = payable(_devAddress);
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner
{
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
function excludeWalletsFromWhales() private
{
_isExcludedFromWhale[owner()]=true;
_isExcludedFromWhale[address(this)]=true;
_isExcludedFromWhale[uniswapV2Pair]=true;
_isExcludedFromWhale[devAddress]=true;
_isExcludedFromWhale[marketingAddress]=true;
}
function checkForWhale(address from, address to, uint256 amount) private view
{
uint256 newBalance = balanceOf(to).add(amount);
if(!_isExcludedFromWhale[from] && !_isExcludedFromWhale[to])
{
require(newBalance <= _walletHoldingMaxLimit, "Exceeding max tokens limit in the wallet");
}
if(from==uniswapV2Pair && !_isExcludedFromWhale[to])
{
require(newBalance <= _walletHoldingMaxLimit, "Exceeding max tokens limit in the wallet");
}
}
function setExcludedFromWhale(address account, bool _enabled) public onlyOwner
{
_isExcludedFromWhale[account] = _enabled;
}
function setWalletMaxHoldingLimit(uint256 _amount) public onlyOwner
{
_walletHoldingMaxLimit = _amount;
require(_walletHoldingMaxLimit > _tTotal.div(100).mul(1), "Too less limit"); //min 1%
}
function rescueStuckBalance () public onlyOwner {
(bool success, ) = msg.sender.call{value: address(this).balance}("");
require(success, "Transfer failed.");
}
receive() external payable {}
}