File 1 of 1: SPXtwo_zero.sol
pragma solidity 0.8.23;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
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);
}
contract Ownable is Context {
address private _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 renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
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);
}
contract SPXtwo_zero is Context, IERC20, Ownable {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
address payable private _marketingWallet;
string private constant _name = unicode"SPX6900 2.0";
string private constant _symbol = unicode"SPX2.0";
uint8 private constant _decimals = 18;
uint256 private constant _tTotal = 1000000000 * 10**_decimals;
uint256 public _BuyTax = 20;
uint256 public _SellTax = 30;
uint256 public _maxTxAmount = _tTotal * 20 / 1000;
uint256 public _maxWalletSize = _tTotal * 20 / 1000;
uint256 public _taxSwapThreshold = _tTotal * 5 / 10000;
uint256 public _maxTaxSwap = _tTotal * 1 / 100;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
uint256 private contractSellCount = 0;
uint256 private lastContractSellBlock = 0;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_marketingWallet = payable(_msgSender());
_balances[_msgSender()] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_marketingWallet] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[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) {
require(_allowances[sender][_msgSender()] >= amount, "Transfer amount exceeds allowance");
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()] - amount);
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: Can't approve from the zero address");
require(spender != address(0), "ERC20: Can't approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: Can't transfer from the zero address");
require(to != address(0), "ERC20: Can't transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
uint256 taxAmount=0;
if (from != owner() && to != owner() && from != _marketingWallet && to != _marketingWallet) {
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) {
require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the _maxWalletSize.");
}
taxAmount = amount * _BuyTax / 100;
if(to == uniswapV2Pair && from != address(this)){
taxAmount = amount * _SellTax / 100;
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance>_taxSwapThreshold) {
if (block.number > lastContractSellBlock) {
contractSellCount = 0;
}
require(contractSellCount < 2);
uint256 amountToSwap = (amount < contractTokenBalance && amount < _maxTaxSwap) ? amount : (contractTokenBalance < _maxTaxSwap) ? contractTokenBalance : _maxTaxSwap;
swapTokensForEth(amountToSwap);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
contractSellCount++;
lastContractSellBlock = block.number;
}
}
if(taxAmount>0){
_balances[address(this)] += taxAmount;
emit Transfer(from, address(this),taxAmount);
}
_balances[from] = _balances[from] - amount;
_balances[to] = _balances[to] + (amount - taxAmount);
emit Transfer(from, to, amount - taxAmount);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
if(tokenAmount==0){return;}
if(!tradingOpen){return;}
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
);
}
function updateTax(uint256 BuyTax, uint256 SellTax) external onlyOwner {
_BuyTax = BuyTax;
_SellTax= SellTax;
}
function removeLimits() external onlyOwner{
_maxTxAmount = _tTotal;
_maxWalletSize=_tTotal;
emit MaxTxAmountUpdated(_tTotal);
}
function openTrading() external onlyOwner() {
require(!tradingOpen,"Trading is already open");
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
swapEnabled = true;
tradingOpen = true;
}
function manualSwap() external onlyOwner {
uint256 tokenBalance=balanceOf(address(this));
if(tokenBalance>0){
swapTokensForEth(tokenBalance);
}
uint256 ethBalance=address(this).balance;
if(ethBalance>0){
sendETHToFee(ethBalance);
}
}
function sendETHToFee(uint256 amount) private {
_marketingWallet.transfer(amount);
}
receive() external payable {}
}
