文件 1 的 1:DeepFuckingValueCat.sol
pragma solidity ^0.8.23;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, 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 from, address to, uint256 amount) external returns (bool);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
interface IFactory {
event PairCreated(
address indexed token0,
address indexed token1,
address pair,
uint
);
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IRouter {
function factory() external view returns (address);
function WETH() external view 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
);
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
interface IWETH is IERC20 {
function withdraw(uint256) external;
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
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);
}
}
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(address from, address to, uint256 amount) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
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 _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}
contract DEEPFUCKINGVALUECAT is ERC20, Ownable {
modifier lockProcessing() {
processing = true;
_;
processing = false;
}
bool private processing = false;
IRouter public dexRouter;
mapping(address => bool) public amm;
uint256 public buyTax;
uint256 public sellTax;
bool public taxActive = true;
bool public checkingLimits = true;
address public taxWallet;
mapping(address => bool) public excludedFromLimits;
bool public tradingEnabled = false;
event AMMSet(address indexed pairAddress, bool isAMM);
event TradingEnabled();
event NewTaxWalletSet(address newTaxWallet);
event LimitsDisabled();
event FeeSet(uint256 buyFee, uint256 sellFee);
event TaxDisabled();
event FeesProcessed();
event ExcludedAddressSet(address indexed excludedAddress, bool isExcluded);
constructor(address routerAddress)
ERC20("DeepFuckingValue Cat", "DFVCAT")
{
_mint(_msgSender(), 1000000000 * 1e18);
excludedFromLimits[address(_msgSender())] = true;
excludedFromLimits[address(this)] = true;
dexRouter = IRouter(routerAddress);
address _pair = IFactory(dexRouter.factory()).createPair(address(this), dexRouter.WETH());
setAMM(address(_pair), true);
taxWallet = address(0xF0Ea6d3b99b478085133fE2707A37385e9898313);
excludedFromLimits[address(dexRouter)] = true;
excludedFromLimits[address(taxWallet)] = true;
buyTax = 80000;
sellTax = 80000;
}
receive() external payable {}
function setExcludedAddress(address excludedAddress, bool isExcluded) public onlyOwner {
require(excludedAddress != address(0));
excludedFromLimits[excludedAddress] = isExcluded;
emit ExcludedAddressSet(excludedAddress, isExcluded);
}
function setAMM(address ammAddress, bool isAMM) public onlyOwner {
require(ammAddress != address(0));
amm[ammAddress] = isAMM;
emit AMMSet(ammAddress, isAMM);
}
function disableLimits() external onlyOwner {
require(checkingLimits);
checkingLimits = false;
emit LimitsDisabled();
}
function setFee(uint256 newBuyFee, uint256 newSellFee) external onlyOwner {
require(newBuyFee <= 100000);
require(newSellFee <= 100000);
buyTax = newBuyFee;
sellTax = newSellFee;
if (newBuyFee == 0 && newSellFee == 0) {
taxActive = false;
emit TaxDisabled();
}
emit FeeSet(newBuyFee, newSellFee);
}
function enableTrading() external onlyOwner {
require(!tradingEnabled);
tradingEnabled = true;
emit TradingEnabled();
}
function setTaxWallet(address newTaxWallet) public onlyOwner {
require(newTaxWallet != address(0));
excludedFromLimits[address(taxWallet)] = false;
taxWallet = newTaxWallet;
excludedFromLimits[address(newTaxWallet)] = true;
emit NewTaxWalletSet(newTaxWallet);
}
function _transfer(address from, address to, uint256 amount) internal override {
require(tradingEnabled || from == owner());
if (excludedFromLimits[from] || excludedFromLimits[to]) {
super._transfer(from, to, amount);
return;
}
if (checkingLimits) {
if (amm[from] && !excludedFromLimits[to]) {
require(amount <= 5000000 * 1e18);
require(balanceOf(to) + amount <= 10000000 * 1e18);
} else if (amm[to] && !excludedFromLimits[from]) {
require(amount <= 5000000 * 1e18);
} else if (!excludedFromLimits[to] && !excludedFromLimits[from]) {
require(amount <= 5000000 * 1e18);
require(balanceOf(to) + amount <= 10000000 * 1e18);
}
}
uint256 _transferAmount = amount;
if (taxActive) {
if (amm[from] || amm[to]) {
uint256 _txnFee;
if (amm[to]) {
_txnFee = (_transferAmount * sellTax) / 100000;
}
if (amm[from]) {
_txnFee = (_transferAmount * buyTax) / 100000;
}
_transferAmount = _transferAmount - _txnFee;
super._transfer(from, address(this), _txnFee);
}
}
super._transfer(from, to, _transferAmount);
}
function processTax(uint256 amountToProcess) public onlyOwner lockProcessing {
uint256 _contractBalance = balanceOf(address(this));
require(_contractBalance >= amountToProcess, "Amount to process is greater than contract balance");
_swapTokensForEth(amountToProcess);
uint256 _balance = address(this).balance;
require(_balance != 0, "No balance to send");
(bool sendSuccess,) = taxWallet.call{value : _balance}("");
require(sendSuccess, "Failed to send ETH");
emit FeesProcessed();
}
function _swapTokensForEth(uint256 tokenAmount) internal {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();
_approve(address(this), address(dexRouter), tokenAmount);
dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function rescueWETH() external onlyOwner {
address wethAddress = dexRouter.WETH();
IWETH(wethAddress).withdraw(
IERC20(wethAddress).balanceOf(address(this))
);
}
function rescueTokens(address tokenAddress) external onlyOwner {
IERC20 tokenContract = IERC20(tokenAddress);
tokenContract.transfer(address(taxWallet), tokenContract.balanceOf(address(this)));
}
}