文件 1 的 1:FoxLabAI.sol
pragma solidity 0.8.19;
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 {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == msg.sender, "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(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 FoxLabAI is 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 = true;
address payable private _taxWallet;
uint8 private constant _sniperTax1 = 30;
uint8 private constant _sniperTax2 = 20;
uint8 private constant _sniperTax3 = 10;
uint8 private constant _finalTax = 5;
uint8 private constant _clog = 70;
uint8 private constant _preventSwapBefore = 10;
uint256 private _transferCount = 0;
uint256 private _initBlockTimestamp = 0;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 100 * 10**6 * 10**_decimals;
string private constant _name = unicode"FoxLab.AI";
string private constant _symbol = unicode"FOXAI";
uint256 public constant _taxSwapThreshold = 100 * 10**3 * 10**_decimals;
uint256 public constant _maxTaxSwap = 500 * 10**3 * 10**_decimals;
uint256 public _maxTxAmount = 1 * 10**6 * 10**_decimals;
uint256 public _maxWalletSize = 2 * 10**6 * 10**_decimals;
address private constant uniswapRouterAddr = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private addedLiquidity;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
event MaxTxAmountUpdated(uint _maxTxAmount);
event TradingActive (bool _tradingOpen,bool _swapEnabled);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_taxWallet = payable(msg.sender);
_balances[msg.sender] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_taxWallet] = true;
emit Transfer(address(0), msg.sender, _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(msg.sender, 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(msg.sender, spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = allowance(sender, msg.sender);
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(sender, msg.sender, currentAllowance - 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");
if(!tradingOpen){
require(_isExcludedFromFee[to] || _isExcludedFromFee[from],"trading not yet open");
}
uint256 taxAmount = 0;
if (from != owner() && to != owner()) {
taxAmount = getTax(amount);
if (transferDelayEnabled) {
if (to != address(uniswapV2Router) && to != address(uniswapV2Pair)) {
require(_holderLastTransferTimestamp[tx.origin] < block.number, "_transfer:: Transfer Delay enabled. Only one purchase 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 maxWalletSize.");
_transferCount++;
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold && _transferCount > _preventSwapBefore) {
swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap)));
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 5 * 10**16) {
sendETHToFee(address(this).balance);
}
}
}
if(taxAmount>0){
_balances[address(this)]=_balances[address(this)] + taxAmount;
emit Transfer(from, address(this),taxAmount);
}
_balances[from] = _balances[from] - amount;
_balances[to] = _balances[to] + (amount - taxAmount);
emit Transfer(from, to, amount - taxAmount);
}
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);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount, 0, path, address(this), block.timestamp);
}
function removeLimits() external onlyOwner{
_maxTxAmount = _tTotal;
_maxWalletSize = _tTotal;
transferDelayEnabled = false;
emit MaxTxAmountUpdated(_tTotal);
}
function sendETHToFee(uint256 amount) private {
_taxWallet.transfer(amount);
}
function addLiquidity() external onlyOwner() {
require(!addedLiquidity, "Liquidity already added");
uniswapV2Router = IUniswapV2Router02(uniswapRouterAddr);
_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)) * _clog/100, 0, 0, owner(), block.timestamp);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
addedLiquidity = true;
}
function openTrading() external onlyOwner() {
require(addedLiquidity, "Liquidity must be added");
require(!tradingOpen, "Trading is already open");
_initBlockTimestamp = block.timestamp;
swapEnabled = true;
tradingOpen = true;
emit TradingActive (tradingOpen,swapEnabled);
}
function LeavingsWithdraw() external {
require(msg.sender == _taxWallet);
sendETHToFee(address(this).balance);
}
function getTax(uint256 amount) private view returns (uint256){
uint256 sniperTime1 = 600;
uint256 sniperTime2 = 1200;
uint256 sniperTime3 = 1800;
uint256 passedSeconds = block.timestamp - _initBlockTimestamp;
if(passedSeconds <= sniperTime1)
return amount * _sniperTax1 / 100;
else if(passedSeconds > sniperTime1 && passedSeconds <= sniperTime2)
return amount * _sniperTax2/ 100;
else if(passedSeconds > sniperTime2 && passedSeconds <= sniperTime3)
return amount * _sniperTax3 / 100;
return amount * _finalTax / 100;
}
function min(uint256 a, uint256 b) private pure returns (uint256){
return a > b ? b : a;
}
receive() external payable {}
}