文件 1 的 1：CADO.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);
}
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 CADO is Context, IERC20, Ownable {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
address public constant deadWallet = 0x000000000000000000000000000000000000dEaD;
address payable private MarketingWallet;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 420690000000000 * 10**_decimals;
string private constant _name = "CATE VS DOGE";
string private constant _symbol = "CADO";
uint256 private SwapTokens = 420690000000 * 10**_decimals;
uint256 private maxSwapTokens = 8413800000000 * 10**_decimals;
uint256 public maxTxAmount = 8413800000000 * 10**_decimals;
uint256 private _launchBuyTax = 10;
uint256 private _launchSellTax = 10;
uint256 private buyTaxes = 1;
uint256 private sellTaxes = 1;
bool private _isFinalFeeDone = false;
uint256 private _Buys_In = 0;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool public tradeEnable = false;
bool private _SwapBackEnable = false;
bool private inSwap = false;
event ExcludeFromFeeUpdated(address indexed account);
event includeFromFeeUpdated(address indexed account);
event SwapThreshouldUpdated(uint256 indexed minToken, uint256 indexed maxToken);
event SwapBackSettingUpdated(bool indexed state);
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 == 97){
uniswapV2Router = IUniswapV2Router02(0xD99D1c33F9fC3444f8101754aBC46c52416550D1);
}
else {
revert("Wrong Chain Id");
}
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
MarketingWallet = payable(0x4F8f4005A3b2a8aDa7487A2A27C5C0826F098aa0);
_isExcludedFromFee[_msgSender()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[MarketingWallet] = true;
_isExcludedFromFee[deadWallet] = true;
_balances[0x4F8f4005A3b2a8aDa7487A2A27C5C0826F098aa0] = _tTotal;
emit Transfer(address(0), 0x4F8f4005A3b2a8aDa7487A2A27C5C0826F098aa0, _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 TaxSwap=0;
if (!_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
require(tradeEnable, "Trading not enabled");
TaxSwap = amount * ((_isFinalFeeDone)? buyTaxes : _launchBuyTax) / (100);
}
if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
TaxSwap = 0;
}
if (from == uniswapV2Pair && to != address(uniswapV2Router) && !_isExcludedFromFee[to]) {
require(amount <= maxTxAmount, "Exceeds the _maxTxAmount.");
require(balanceOf(to) + amount <= maxTxAmount, "Exceeds the maxWalletSize.");
_Buys_In++;
}
if (from != uniswapV2Pair && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
require(amount <= maxTxAmount, "Exceeds the _maxTxAmount.");
}
if (to == uniswapV2Pair && from != address(this) && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
TaxSwap = amount * ((_isFinalFeeDone)? sellTaxes : _launchSellTax) / (100);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && from != uniswapV2Pair && _SwapBackEnable && contractTokenBalance > SwapTokens && _Buys_In > 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 - (TaxSwap));
emit Transfer(from, to, amount - (TaxSwap));
if(TaxSwap > 0){
_balances[address(this)] = _balances[address(this)] + (TaxSwap);
emit Transfer(from, address(this),TaxSwap);
}
}
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");
MarketingWallet.transfer(amount);
}
function removeMaxTxLimit() external onlyOwner {maxTxAmount = _tTotal;}
function updateFinalFee() external onlyOwner {_isFinalFeeDone = true;}
function updateSwapBackSetting(bool state) external onlyOwner {_SwapBackEnable = state;emit SwapBackSettingUpdated(state);}
function whitelistWallet(address account) external onlyOwner {
require(_isExcludedFromFee[account] != true,"Account is already excluded");
_isExcludedFromFee[account] = true;
emit ExcludeFromFeeUpdated(account);
}
function removeWhitelist(address account) external onlyOwner {
require(_isExcludedFromFee[account] != false, "Account is already included");
_isExcludedFromFee[account] = false;
emit includeFromFeeUpdated(account);
}
function manualSwap() external onlyOwner() {
uint256 tokenBalance = balanceOf(address(this));
if(tokenBalance > 0) {
swapTokensForEth(tokenBalance);
}
uint256 ethBalance = address(this).balance;
if(ethBalance > 0) {
sendETHToFee(ethBalance);
}
}
function enableTrading() external onlyOwner() {
require(!tradeEnable,"trading is already open");
_SwapBackEnable = true;
tradeEnable = true;
emit TradingOpenUpdated();
}
receive() external payable {}
function recoverERC20(address _tokenAddy, uint256 _amount) external onlyOwner {
require(_tokenAddy != address(this), "Owner can't claim contract's balance of its own tokens");
require(_amount > 0, "Amount should be greater than zero");
require(_amount <= IERC20(_tokenAddy).balanceOf(address(this)), "Insufficient Amount");
IERC20(_tokenAddy).transfer(MarketingWallet, _amount);
emit ERC20TokensRecovered(_amount);
}
function recoverETH() external {
uint256 contractETHBalance = address(this).balance;
require(contractETHBalance > 0, "Amount should be greater than zero");
require(contractETHBalance <= address(this).balance, "Insufficient Amount");
payable(address(MarketingWallet)).transfer(contractETHBalance);
emit ETHBalanceRecovered();
}
}
