编译器
0.8.17+commit.8df45f5f
文件 1 的 6:Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
文件 2 的 6:ERC20.sol
pragma solidity ^0.8.0;
import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";
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 {}
}
文件 3 的 6:IERC20.sol
pragma solidity ^0.8.0;
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);
}
文件 4 的 6:IERC20Metadata.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
文件 5 的 6:Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
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);
}
}
文件 6 的 6:PepeClassic.sol
pragma solidity 0.8.17;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
interface IFactory{
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IRouter {
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 PepeClassic is ERC20, Ownable{
IRouter public router;
address public pair;
bool private swapping;
bool public swapEnabled;
bool public tradingEnabled;
mapping (address => bool) public noFees;
mapping (address => bool) public isBot;
uint256 public swapThreshold = 10000 * 10**18;
uint256 public maxTxAmount = 200000 * 10**18;
address public marketingWallet = 0x11a5FD206648e8c295cf4BA9C3A7a562913515D7;
address public devWallet = 0x11a5FD206648e8c295cf4BA9C3A7a562913515D7;
struct Taxes {
uint128 marketing;
uint128 dev;
}
Taxes public taxes = Taxes(2,2);
modifier inSwap() {
if (!swapping) {
swapping = true;
_;
swapping = false;
}
}
constructor() ERC20("Pepe Classic", "PEPEC") {
_mint(msg.sender, 1e7 * 10 ** 18);
noFees[msg.sender] = true;
IRouter _router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _pair = IFactory(_router.factory())
.createPair(address(this), _router.WETH());
router = _router;
pair = _pair;
noFees[address(this)] = true;
noFees[marketingWallet] = true;
noFees[devWallet] = true;
}
function _transfer(address sender, address recipient, uint256 amount) internal override {
require(amount > 0, "Transfer amount must be greater than zero");
if(!noFees[sender] && !noFees[recipient] && !swapping){
require(tradingEnabled, "Trading not active");
require(!isBot[sender] && !isBot[recipient], "Bye Bye Bot");
if(recipient == pair) require(amount <= maxTxAmount, "Exceeding maxTxAmount");
}
uint256 fee;
if (swapping || noFees[sender] || noFees[recipient] || (sender != pair && recipient != pair)) fee = 0;
else fee = amount * (taxes.dev + taxes.marketing) / 100;
if (swapEnabled && !swapping && sender != pair && fee > 0) translateFees();
super._transfer(sender, recipient, amount - fee);
if(fee > 0) super._transfer(sender, address(this) ,fee);
}
function translateFees() private inSwap {
if (balanceOf(address(this)) >= swapThreshold) {
swapTokensForETH(swapThreshold);
uint256 totalBalance = address(this).balance;
uint256 totalTax = taxes.marketing + taxes.dev;
uint256 marketingAmt = totalBalance * taxes.marketing / totalTax;
if(marketingAmt > 0){
(bool success, ) = payable(marketingWallet).call{value: marketingAmt}("");
require(success, "Error sending eth");
}
uint256 devAmt = totalBalance * taxes.dev / totalTax;
if(devAmt > 0){
(bool success, ) = payable(devWallet).call{value: devAmt}("");
require(success, "Error sending eth");
}
}
}
function swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
_approve(address(this), address(router), tokenAmount);
router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount, 0, path, address(this), block.timestamp);
}
function enableTrading() external onlyOwner{
tradingEnabled = true;
swapEnabled = true;
}
function setSwapEnabled(bool state) external onlyOwner {
swapEnabled = state;
}
function setSwapThreshold(uint256 new_amount) external onlyOwner {
swapThreshold = new_amount * 10**18;
}
function setMaxTxAmount(uint256 amount) external onlyOwner{
maxTxAmount = amount;
}
function setTaxes(uint128 _dev, uint128 _marketing) external onlyOwner{
taxes = Taxes(_marketing, _dev);
}
function updateMarketingWallet(address newWallet) external onlyOwner{
marketingWallet = newWallet;
}
function removeLimits() external onlyOwner{
maxTxAmount = totalSupply();
}
function updateDevWallet(address newWallet) external onlyOwner{
devWallet = newWallet;
}
function updatePair(address _pair) external onlyOwner{
pair = _pair;
}
function updateNoFees(address _address, bool state) external onlyOwner {
noFees[_address] = state;
}
function setBot(address[] calldata bots, bool status) external onlyOwner{
uint256 size = bots.length;
for(uint256 i; i < size;){
isBot[bots[i]] = status;
unchecked{ ++i; }
}
}
function rescueTokens(address tokenAddress, uint256 amount) external onlyOwner{
IERC20(tokenAddress).transfer(owner(), amount);
}
function rescueETH(uint256 weiAmount) external onlyOwner{
(bool success, ) = payable(owner()).call{value: weiAmount}("");
require(success, "Error sending eth");
}
receive() external payable {}
}
{
"compilationTarget": {
"PepeClassic.sol": "PepeClassic"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
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