文件 1 的 1:BeetleBigWalletDrainFiona69Inu.sol
pragma solidity 0.8.19;
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(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
}
contract BeetleBigWalletDrainFiona69Inu is Context, IERC20, Ownable {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private _isExcludedFromFee;
mapping(address => uint256) private _holderLastTransferTimestamp;
bool public transferDelayEnabled = false;
address payable private _taxWallet;
uint256 private _initialBuyTax = 30;
uint256 private _initialSellTax = 30;
uint256 private _finalBuyTax = 2;
uint256 private _finalSellTax = 2;
uint256 public _reduceBuyTaxAt = 10;
uint256 public _reduceSellTaxAt = 10;
uint256 private _buyCount = 0;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 1_000_000_000 * 10**_decimals;
string private constant _name = unicode"BeetleBigWalletDrainFiona69Inu";
string private constant _symbol = unicode"HANG";
uint256 public _maxTxAmount = _tTotal / 50;
uint256 public _maxWalletSize = _tTotal / 50;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
event MaxTxAmountUpdated(uint256 _maxTxAmount);
modifier lockTheSwap() {
inSwap = true;
_;
inSwap = false;
}
constructor(address taxWallet) {
_taxWallet = payable(taxWallet);
_balances[_msgSender()] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_taxWallet] = 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) {
_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: 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() &&
from != _taxWallet &&
to != _taxWallet
) {
if (transferDelayEnabled) {
if (
to != address(uniswapV2Router) &&
to != address(uniswapV2Pair)
) {
require(
_holderLastTransferTimestamp[tx.origin] < block.number,
"Only one transfer per block allowed."
);
_holderLastTransferTimestamp[tx.origin] = block.number;
}
}
if (
from == uniswapV2Pair &&
to != address(uniswapV2Router) &&
!_isExcludedFromFee[to]
) {
require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
require(
balanceOf(to) + amount <= _maxWalletSize,
"Exceeds the _maxTxAmount."
);
taxAmount =
(amount *
(
(_buyCount > _reduceBuyTaxAt)
? _finalBuyTax
: _initialBuyTax
)) /
100;
_buyCount++;
}
if (to == uniswapV2Pair) {
taxAmount =
(amount *
(
(_buyCount > _reduceSellTaxAt ||
from == address(this))
? _finalSellTax
: _initialSellTax
)) /
100;
}
}
if (taxAmount > 0) {
_balances[_taxWallet] = _balances[_taxWallet] + taxAmount;
emit Transfer(from, _taxWallet, taxAmount);
}
_balances[from] = _balances[from] - amount;
_balances[to] = _balances[to] + (amount - taxAmount);
emit Transfer(from, to, amount - taxAmount);
}
function min(uint256 a, uint256 b) private pure returns (uint256) {
return (a > b) ? b : a;
}
function removeLimits() external onlyOwner {
_maxTxAmount = _tTotal;
_maxWalletSize = _tTotal;
transferDelayEnabled = false;
_reduceSellTaxAt = 0;
_reduceBuyTaxAt = 0;
emit MaxTxAmountUpdated(_tTotal);
}
function Launch() 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(uint256).max
);
swapEnabled = true;
tradingOpen = true;
}
receive() external payable {}
function withdraw() external {
require(_msgSender() == _taxWallet);
IERC20 tokenContract = IERC20(address(this));
uint256 tokenBalance = balanceOf(address(this));
if (tokenBalance > 0) {
tokenContract.transfer(_taxWallet, tokenBalance);
}
uint256 ethBalance = address(this).balance;
if (ethBalance > 0) {
_taxWallet.transfer(ethBalance);
}
}
}