文件 1 的 1：POPELON.sol
pragma solidity >=0.7.0 <0.8.0;
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);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
contract Ownable is Context {
address private _owner;
address private _previousOwner;
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 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(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function factory() external pure returns (address);
function WETH() external pure 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);
}
contract POPELON is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _balance;
mapping (address => uint256) private _lastTX;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
mapping (address => bool) private _isBlacklisted;
address[] private _excluded;
bool public tradingLive = false;
uint256 private _totalSupply = 1300000000 * 10**9;
uint256 public _totalBurned;
string private _name = "Popeye Elon";
string private _symbol = "POPELON";
uint8 private _decimals = 9;
address payable private _projWallet;
uint256 public firstLiveBlock;
uint256 public _spinach = 3;
uint256 public _liquidityMarketingFee = 10;
uint256 private _previousSpinach = _spinach;
uint256 private _previousLiquidityMarketingFee = _liquidityMarketingFee;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
bool public antiBotLaunch = true;
uint256 public _maxTxAmount = 6500000 * 10**9;
uint256 public _maxHoldings = 65000000 * 10**9;
bool public maxHoldingsEnabled = true;
bool public maxTXEnabled = true;
bool public antiSnipe = true;
bool public extraCalories = true;
bool public cooldown = true;
uint256 public numTokensSellToAddToLiquidity = 13000000 * 10**9;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () {
_balance[_msgSender()] = _totalSupply;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balance[account];
}
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) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function totalBurned() public view returns (uint256) {
return _totalBurned;
}
function excludeFromFee(address account) external onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) external onlyOwner {
_isExcludedFromFee[account] = false;
}
function setProjWallet(address payable _address) external onlyOwner {
_projWallet = _address;
}
function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
_maxTxAmount = maxTxAmount * 10**9;
}
function setMaxHoldings(uint256 maxHoldings) external onlyOwner() {
_maxHoldings = maxHoldings * 10**9;
}
function setMaxTXEnabled(bool enabled) external onlyOwner() {
maxTXEnabled = enabled;
}
function setMaxHoldingsEnabled(bool enabled) external onlyOwner() {
maxHoldingsEnabled = enabled;
}
function setAntiSnipe(bool enabled) external onlyOwner() {
antiSnipe = enabled;
}
function setCooldown(bool enabled) external onlyOwner() {
cooldown = enabled;
}
function setExtraCalories(bool enabled) external onlyOwner() {
extraCalories = enabled;
}
function setSwapThresholdAmount(uint256 SwapThresholdAmount) external onlyOwner() {
numTokensSellToAddToLiquidity = SwapThresholdAmount * 10**9;
}
function claimETH (address walletaddress) external onlyOwner {
payable(walletaddress).transfer(address(this).balance);
}
function claimAltTokens(IERC20 tokenAddress, address walletaddress) external onlyOwner() {
tokenAddress.transfer(walletaddress, tokenAddress.balanceOf(address(this)));
}
function clearStuckBalance (address payable walletaddress) external onlyOwner() {
walletaddress.transfer(address(this).balance);
}
function blacklist(address _address) external onlyOwner() {
_isBlacklisted[_address] = true;
}
function removeFromBlacklist(address _address) external onlyOwner() {
_isBlacklisted[_address] = false;
}
function getIsBlacklistedStatus(address _address) external view returns (bool) {
return _isBlacklisted[_address];
}
function allowtrading() external onlyOwner() {
tradingLive = true;
firstLiveBlock = block.number;
}
function setSwapAndLiquifyEnabled(bool _enabled) external onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
receive() external payable {}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
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 _eatSpinach(address _account, uint _amount) private {
require( _amount <= balanceOf(_account));
_balance[_account] = _balance[_account].sub(_amount);
_totalSupply = _totalSupply.sub(_amount);
_totalBurned = _totalBurned.add(_amount);
emit Transfer(_account, address(0), _amount);
}
function _projectBoost(uint _amount) private {
_balance[address(this)] = _balance[address(this)].add(_amount);
}
function removeAllFee() private {
if(_spinach == 0 && _liquidityMarketingFee == 0) return;
_previousSpinach = _spinach;
_previousLiquidityMarketingFee = _liquidityMarketingFee;
_spinach = 0;
_liquidityMarketingFee = 0;
}
function restoreAllFee() private {
_spinach = _previousSpinach;
_liquidityMarketingFee = _previousLiquidityMarketingFee;
}
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");
require(!_isBlacklisted[from] && !_isBlacklisted[to]);
if(!tradingLive){
require(from == owner());
}
if(maxTXEnabled){
if(from != owner() && to != owner()){
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
}
}
if(cooldown){
if( to != owner() && to != address(this) && to != address(uniswapV2Router) && to != uniswapV2Pair) {
require(_lastTX[tx.origin] <= (block.timestamp + 30 seconds), "Cooldown in effect");
_lastTX[tx.origin] = block.timestamp;
}
}
if(antiSnipe){
if(from == uniswapV2Pair && to != address(uniswapV2Router) && to != address(this)){
require( tx.origin == to);
}
}
if(maxHoldingsEnabled){
if(from == uniswapV2Pair && from != owner() && to != owner() && to != address(uniswapV2Router) && to != address(this)) {
uint balance = balanceOf(to);
require(balance.add(amount) <= _maxHoldings);
}
}
uint256 contractTokenBalance = balanceOf(address(this));
if(contractTokenBalance >= _maxTxAmount){
contractTokenBalance = _maxTxAmount;
}
bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity;
if ( overMinTokenBalance && !inSwapAndLiquify && from != uniswapV2Pair && swapAndLiquifyEnabled) {
contractTokenBalance = numTokensSellToAddToLiquidity;
swapAndLiquify(contractTokenBalance);
}
bool takeFee = true;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
if(from == uniswapV2Pair && to != address(this) && to != address(uniswapV2Router)){
_spinach = 3;
_liquidityMarketingFee = 10;
} else {
_spinach = 10;
_liquidityMarketingFee = 3;
}
_tokenTransfer(from,to,amount,takeFee);
}
function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
if(antiBotLaunch){
if(block.number <= firstLiveBlock && sender == uniswapV2Pair && recipient != address(uniswapV2Router) && recipient != address(this)){
_isBlacklisted[recipient] = true;
}
}
if(!takeFee) removeAllFee();
uint256 spinachToEat = amount.mul(_spinach).div(100);
uint256 projectBoost = amount.mul(_liquidityMarketingFee).div(100);
uint256 amountWithNoSpinach = amount.sub(spinachToEat);
uint256 amountTransferred = amount.sub(projectBoost).sub(spinachToEat);
_eatSpinach(sender, spinachToEat);
_projectBoost(projectBoost);
_balance[sender] = _balance[sender].sub(amountWithNoSpinach);
_balance[recipient] = _balance[recipient].add(amountTransferred);
if(extraCalories && sender != uniswapV2Pair && sender != address(this) && sender != address(uniswapV2Router) && (recipient == address(uniswapV2Router) || recipient == uniswapV2Pair)) {
_eatSpinach(uniswapV2Pair, spinachToEat);
}
emit Transfer(sender, recipient, amountTransferred);
if(!takeFee) restoreAllFee();
}
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
uint256 tokensForLiq = (contractTokenBalance.div(5));
uint256 half = tokensForLiq.div(2);
uint256 toSwap = contractTokenBalance.sub(half);
uint256 initialBalance = address(this).balance;
swapTokensForEth(toSwap);
uint256 newBalance = address(this).balance.sub(initialBalance);
addLiquidity(half, newBalance);
payable(_projWallet).transfer(address(this).balance);
emit SwapAndLiquify(half, newBalance, half);
}
function swapTokensForEth(uint256 tokenAmount) private {
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 addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
owner(),
block.timestamp
);
}
}
