文件 1 的 1:BOOBS.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;
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);
}
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
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);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract BOOBS is Context, IERC20, Ownable {
using SafeMath for uint256;
string private constant _name = unicode"Boobs Just Rock";
string private constant _symbol = unicode"BOOBS";
uint8 private constant _decimals = 9;
uint256 private constant _totalSupply = 1_000_000_000 * (10 ** _decimals);
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
IUniswapV2Router02 private _uniswapV2Router;
address private _uniswapV2Pair;
address private _taxWallet;
mapping(address => bool) private _isExcludedFromFee;
uint256 private _initialBuyTax = 22;
uint256 private _finalBuyTax = 0;
uint256 private _reduceBuyTaxAt = 24;
uint256 private _initialSellTax = 24;
uint256 private _finalSellTax = 0;
uint256 private _reduceSellTaxAt = 26;
uint256 private _buyCount;
uint256 private _sellCount;
uint256 private _lastSellBlock;
uint256 private _preventSwapBefore = 26;
uint256 private _maxSellsPerBlock = 3;
uint256 private _maxTxAmount = _totalSupply.mul(2).div(100);
uint256 private _maxWalletAmount = _totalSupply.mul(2).div(100);
uint256 private _swapThresholdAmount = _totalSupply.div(100);
uint256 private _maxSwapAmount = _totalSupply.div(100);
bool private _inSwap;
bool private _swapEnabled;
bool private _tradingEnabled;
bool private _limitsEnabled = true;
uint256 private _launchBlock;
uint256 private _disableLimitsAfterBlock = 10;
modifier onlyTaxWallet() {
require(_msgSender() == _taxWallet, "Caller not authorized");
_;
}
modifier lockTheSwap() {
_inSwap = true;
_;
_inSwap = false;
}
constructor() payable {
require(msg.value > 0, "Not enough ETH to launch");
_taxWallet = _msgSender();
address devWallet = 0x5C1AB69Bd46A5548BF2512Ffa1c02A7Bc347dA2C;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_taxWallet] = true;
_isExcludedFromFee[devWallet] = true;
uint256 taxWalletAmount = _totalSupply.mul(2).div(100);
uint256 devWalletAmount = _totalSupply.mul(2).div(100);
uint256 liquidityAmount = _totalSupply.sub(taxWalletAmount.add(devWalletAmount));
_balances[_taxWallet] = taxWalletAmount;
_balances[devWallet] = devWalletAmount;
_balances[address(this)] = liquidityAmount;
emit Transfer(address(0), _taxWallet, taxWalletAmount);
emit Transfer(address(0), devWallet, devWalletAmount);
emit Transfer(address(0), address(this), liquidityAmount);
}
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()].sub(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 (_tradingEnabled && _limitsEnabled && block.number > _launchBlock.add(_disableLimitsAfterBlock)) {
_disableLimits();
}
if (from != owner() && to != owner()) {
taxAmount = amount.mul((_buyCount > _reduceBuyTaxAt) ? _finalBuyTax : _initialBuyTax).div(100);
if (from == _uniswapV2Pair && to != address(_uniswapV2Router) && !_isExcludedFromFee[to]) {
require(amount <= _maxTxAmount, "Exceeds the max TX amount");
require(balanceOf(to) + amount <= _maxWalletAmount, "Exceeds the max wallet amount");
_buyCount++;
}
if (to != _uniswapV2Pair && !_isExcludedFromFee[to]) {
require(balanceOf(to) + amount <= _maxWalletAmount, "Exceeds the max wallet amount");
}
if (to == _uniswapV2Pair && from != address(this)) {
taxAmount = amount.mul((_buyCount > _reduceSellTaxAt) ? _finalSellTax : _initialSellTax).div(100);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (
!_inSwap &&
to == _uniswapV2Pair &&
_swapEnabled &&
_buyCount > _preventSwapBefore &&
contractTokenBalance > _swapThresholdAmount
) {
if (block.number > _lastSellBlock) {
_sellCount = 0;
}
require(_sellCount < _maxSellsPerBlock, "Max sells per block exceeded");
_sellCount++;
_lastSellBlock = block.number;
_swapTokensForEth(_min(amount, _min(contractTokenBalance, _maxSwapAmount)));
_sendETHToFee();
}
}
if (taxAmount > 0) {
_balances[address(this)] = _balances[address(this)].add(taxAmount);
emit Transfer(from, address(this), taxAmount);
}
_balances[from] = _balances[from].sub(amount);
_balances[to] = _balances[to].add(amount.sub(taxAmount));
emit Transfer(from, to, amount.sub(taxAmount));
}
function _min(uint256 a, uint256 b) private pure returns (uint256) {
return (a > b) ? b : a;
}
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);
try _uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
) {} catch {}
}
function _sendETHToFee() private {
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance == 0) {
return;
}
bool success;
(success,) = address(_taxWallet).call{value: contractETHBalance}("");
}
function _disableLimits() private {
_maxTxAmount = totalSupply();
_maxWalletAmount = totalSupply();
_limitsEnabled = false;
}
function disableLimits() external onlyTaxWallet {
_disableLimits();
}
function reduceTaxes(uint256 buyTax_, uint256 sellTax_) external onlyTaxWallet {
require(buyTax_ <= _finalBuyTax, "New buy tax cannot exceed current buy tax");
require(sellTax_ <= _finalSellTax, "New sell tax cannot exceed current sell tax");
_finalBuyTax = buyTax_;
_finalSellTax = sellTax_;
}
function manualSwap() external onlyTaxWallet {
uint256 contractTokenBalance = balanceOf(address(this));
if (contractTokenBalance > 0) {
_swapTokensForEth(contractTokenBalance);
_sendETHToFee();
}
}
function manualSendETH() external onlyTaxWallet {
_sendETHToFee();
}
function manualSendTokens(uint256 tokenAmount) external onlyTaxWallet {
require(tokenAmount <= balanceOf(address(this)), "Transfer amount exceeds balance");
IERC20(address(this)).transfer(_msgSender(), tokenAmount);
}
function openTrading() external onlyOwner {
require(!_tradingEnabled, "Trading already open");
_uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(_uniswapV2Router), totalSupply());
_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;
_tradingEnabled = true;
_launchBlock = block.number;
}
receive() external payable {}
}