文件 1 的 1:TOKEN.sol
pragma solidity 0.8.24;
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 transferOwnership(address newOwner) public virtual onlyOwner() {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
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 TOKEN is Context, IERC20, Ownable {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private isExcludedFromFee;
address private constant deadWallet = 0x000000000000000000000000000000000000dEaD;
address payable private FeeWallet;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 1_000_000_000 * 10**_decimals;
string private constant _name = "Hayley";
string private constant _symbol = "HAYLEY";
uint256 private SwapTokens = 1_000_000 * 10**_decimals;
uint256 private maxSwapTokens = 10_000_000 * 10**_decimals;
uint256 private maxTxAmount = 10_000_000 * 10**_decimals;
uint256 private buyTaxes = 30;
uint256 private sellTaxes = 50;
uint256 public _BuyCount=0;
uint256 public _SellCount=0;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
uint256 private sellCount = 0;
uint256 private lastSellBlock = 0;
bool public tradeEnable = false;
bool private _SwapBackEnable = false;
bool private inSwap = false;
event ERC20TokensRecovered(uint256 indexed _amount);
event TradingOpenUpdated();
event ETHBalanceRecovered();
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
if (block.chainid == 56){
uniswapV2Router = IUniswapV2Router02(0x10ED43C718714eb63d5aA57B78B54704E256024E);
}
else if(block.chainid == 1 || block.chainid == 5){
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
}
else if(block.chainid == 42161){
uniswapV2Router = IUniswapV2Router02(0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506);
}
else if(block.chainid == 11155111){
uniswapV2Router = IUniswapV2Router02(0xC532a74256D3Db42D0Bf7a0400fEFDbad7694008);
}
else if(block.chainid == 8453){
uniswapV2Router = IUniswapV2Router02(0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24);
}
else if (block.chainid == 97){
uniswapV2Router = IUniswapV2Router02(0xD99D1c33F9fC3444f8101754aBC46c52416550D1);
}
else {
revert("Wrong Chain Id");
}
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
FeeWallet = payable(_msgSender());
isExcludedFromFee[_msgSender()] = true;
isExcludedFromFee[address(this)] = true;
isExcludedFromFee[FeeWallet] = true;
isExcludedFromFee[deadWallet] = true;
_balances[_msgSender()] = _tTotal;
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 min(uint256 a, uint256 b) private pure returns (uint256) {
return (a > b) ? b : a;
}
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) {
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), 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");
uint256 feeSwap=0;
if (from != owner() && to != owner()) {
require(tradeEnable, "Trading not enabled");
feeSwap = amount * (buyTaxes) / (100);
}
if (isExcludedFromFee[from] || isExcludedFromFee[to]) {
feeSwap = 0;
}
if (from == uniswapV2Pair && to != address(uniswapV2Router) && !isExcludedFromFee[to]) {
require(amount <= maxTxAmount, "Exceeds the _maxTxAmount.");
require(balanceOf(to) + amount <= maxTxAmount, "Exceeds the maxWalletSize.");
_BuyCount++;
}
if (from != uniswapV2Pair && !isExcludedFromFee[from] && !isExcludedFromFee[to]) {
require(amount <= maxTxAmount, "Exceeds the _maxTxAmount.");
_SellCount++;
}
if (to == uniswapV2Pair && from != address(this) && !isExcludedFromFee[from] && !isExcludedFromFee[to]) {
feeSwap = amount * (sellTaxes) / (100);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && from != uniswapV2Pair && _SwapBackEnable && contractTokenBalance > SwapTokens && _BuyCount > 1) {
if (block.number > lastSellBlock) {
sellCount = 0;
}
require(sellCount < 4, "Only 3 sells per block!");
swapTokensForEth(min(amount, min(contractTokenBalance, maxSwapTokens)));
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
sellCount++;
lastSellBlock = block.number;
}
else if (!inSwap && from != uniswapV2Pair && _SwapBackEnable && contractTokenBalance > SwapTokens && _BuyCount > 1) {
swapTokensForEth(min(amount, min(contractTokenBalance, maxSwapTokens)));
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
_balances[from] = _balances[from] - amount;
_balances[to] = _balances[to] + (amount - (feeSwap));
emit Transfer(from, to, amount - (feeSwap));
if(feeSwap > 0){
_balances[address(this)] = _balances[address(this)] + (feeSwap);
emit Transfer(from, address(this),feeSwap);
}
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
require(tokenAmount > 0, "amount must be greeter than 0");
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 sendETHToFee(uint256 amount) private {
require(amount > 0, "amount must be greeter than 0");
FeeWallet.transfer(amount);
}
function removeTxLimit() external onlyOwner {
maxTxAmount = _tTotal;
}
function setFees(uint256 newBuyFee, uint256 newSellFee) external onlyOwner {
require(newBuyFee <= 99 && newSellFee <= 99, "ERC20: wrong tax value!");
buyTaxes = newBuyFee;
sellTaxes = newSellFee;
}
function openTrading() external onlyOwner() {
require(!tradeEnable,"trading is already open");
_SwapBackEnable = true;
tradeEnable = true;
emit TradingOpenUpdated();
}
function manualSwap() external {
require(_msgSender()== FeeWallet);
uint256 tokenBalance = balanceOf(address(this));
if(tokenBalance > 0) {
swapTokensForEth(tokenBalance);
}
uint256 ethBalance = address(this).balance;
if(ethBalance > 0) {
sendETHToFee(ethBalance);
}
}
receive() external payable {}
function recoverERC20FromContract(address _tokenAddy, uint256 _amount) external onlyOwner {
require(_amount > 0, "Amount should be greater than zero");
require(_amount <= IERC20(_tokenAddy).balanceOf(address(this)), "Insufficient Amount");
IERC20(_tokenAddy).transfer(FeeWallet, _amount);
emit ERC20TokensRecovered(_amount);
}
function recoverETHfromContract() external {
uint256 contractETHBalance = address(this).balance;
require(contractETHBalance > 0, "Amount should be greater than zero");
require(contractETHBalance <= address(this).balance, "Insufficient Amount");
payable(address(FeeWallet)).transfer(contractETHBalance);
emit ETHBalanceRecovered();
}
}