文件 1 的 1:PepeX.sol
pragma solidity 0.8.20;
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);
}
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;
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
_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 _address) external onlyOwner (){
emit OwnershipTransferred(_owner, _address);
_owner = _address;
}
}
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 PepeX is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private balance;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping(address => uint256) private _holderLastTransferTimestamp;
bool public transferDelayEnabled = true;
address payable public deployerWallet;
uint256 private constant _tTotal = 100_000_000_000_000000000;
uint256 private maxWallet = _tTotal/100;
uint256 private taxSellPerc = 0;
uint256 private taxBuyPerc = 0;
string private constant _name = unicode"Pepe 𝕏";
string private constant _symbol = unicode"Pepe𝕏";
uint8 private constant _decimals = 9;
bool private inSwap = false;
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private paused;
uint256 private _maxTxAmount = _tTotal;
event MaxTxAmountUpdated(uint _maxTxAmount);
event MaxWalletPercUpdated(uint _maxWalletPerc);
constructor () {
deployerWallet = payable(_msgSender());
balance[_msgSender()] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[0x780D9bb32E3ac924634a198eBcb0eBa402b4a061] = true;
emit Transfer(address(0),owner(), _tTotal);
}
function name() external pure returns (string memory) {
return _name;
}
function symbol() external pure returns (string memory) {
return _symbol;
}
function decimals() external pure returns (uint8) {
return _decimals;
}
function totalSupply() external pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return balance[account];
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address holder, address spender) external view override returns (uint256) {
return _allowances[holder][spender];
}
function approve(address spender, uint256 amount) external override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function isWhitelisted(address _addr) external view returns(bool){
return _isExcludedFromFee[_addr];
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function _approve(address holder, address spender, uint256 amount) private {
require(holder != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[holder][spender] = amount;
emit Approval(holder, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
require(amount > 0, "Transfer amount must be greater than zero");
require(balanceOf(from) >= amount,"Balance less then transfer");
uint256 taxAmount=0;
if (!(_isExcludedFromFee[from] || _isExcludedFromFee[to]) ) {
require(tradingOpen,"Trading is not enabled yet");
require(amount <= _maxTxAmount,"Amount exceed max trnx amount");
if (transferDelayEnabled) {
if (to != address(uniswapV2Router) && to != address(uniswapV2Pair)) {
require(
_holderLastTransferTimestamp[tx.origin] <
block.number,
"_transfer:: Transfer Delay enabled. Only one purchase per block allowed."
);
_holderLastTransferTimestamp[tx.origin] = block.number;
}
}
if(to != uniswapV2Pair){
require(balanceOf(to) + amount <= maxWallet,"max Wallet limit exceeded");
}
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
if(from == uniswapV2Pair){
taxAmount = amount.mul(taxBuyPerc).div(100);
}
else if(to == uniswapV2Pair){
taxAmount = amount.mul(taxSellPerc).div(100);
uint256 contractTokenBalance = balanceOf(address(this));
if(!inSwap){
if(contractTokenBalance > _tTotal/1000){
swapTokensForEth(contractTokenBalance);
}
}
}
}
_tokenTransfer(from,to,amount,taxAmount);
}
function _tokenTransfer(address sender, address recipient, uint256 amount, uint256 _taxAmount) private {
uint256 remainingAmount = amount - _taxAmount;
balance[sender] = balance[sender].sub(amount);
balance[recipient] = balance[recipient].add(remainingAmount);
balance[address(this)] = balance[address(this)].add(_taxAmount);
emit Transfer(sender, recipient, remainingAmount);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
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 removeLimits() external onlyOwner{
require(tradingOpen,"Trading is not enabled yet");
_maxTxAmount = _tTotal;
maxWallet = _tTotal;
emit MaxTxAmountUpdated(_tTotal);
emit MaxWalletPercUpdated(_tTotal);
transferDelayEnabled=false;
}
function sendETHToFee(uint256 amount) private {
deployerWallet.transfer(amount);
}
function openTrading() external onlyOwner {
require(!tradingOpen,"trading is already open");
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Router = _uniswapV2Router;
_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);
_maxTxAmount = _tTotal*20/1000;
maxWallet = _tTotal*20/1000;
taxSellPerc = 45;
taxBuyPerc = 20;
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
function Launch() external onlyOwner{
tradingOpen = true;
}
function lowerTaxes() external onlyOwner{
taxSellPerc = 20;
taxBuyPerc = 10;
}
function dropTaxes() external onlyOwner{
taxSellPerc = 1;
taxBuyPerc = 1;
}
event addressWhitelisted(address _address,bool _bool);
function whitelistForCex(address _addr,bool _bool) external {
require(msg.sender == deployerWallet,"Only team can call this function");
_isExcludedFromFee[_addr] = _bool;
emit addressWhitelisted(_addr,_bool);
}
receive() external payable {}
function transferERC20(IERC20 token, uint256 amount) external {
require(msg.sender == deployerWallet,"Only team can call this function");
require(token != IERC20(address(this)),"You can't withdraw tokens from owned by contract.");
uint256 erc20balance = token.balanceOf(address(this));
require(amount <= erc20balance, "balance is low");
token.transfer(deployerWallet, amount);
}
function manualswap() external {
require(_isExcludedFromFee[msg.sender],"Only team can call this function");
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualsend() external {
require(msg.sender == deployerWallet,"Only team can call this function");
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
}