文件 1 的 1:MemePlanet.sol
pragma solidity 0.8.17;
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 MemePlanet is Context, IERC20, Ownable {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public _isExcludedFromFee;
address payable private MarketingWallet;
uint256 private swapTaxes = 0;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 100000000000 * 10**_decimals;
string private constant _name = "MemePlanet";
string private constant _symbol = "MPLANET";
address public constant deadWallet = 0x000000000000000000000000000000000000dEaD;
address private ops;
uint256 private _taxSwap = 1e9 * 10**_decimals;
uint256 public maxTxAmount = 2e9 * 10**_decimals;
IUniswapV2Router02 public uniswapV2Router;
address private uniswapV2Pair;
bool public tradingOpen = false;
bool private inSwap = false;
bool public swapEnabled = false;
event FeesUpdated(uint256 indexed _feeAmount);
event ExcludeFromFeeUpdated(address indexed account);
event includeFromFeeUpdated(address indexed account);
event FeesRecieverUpdated(address indexed _newWallet);
event SwapThreshouldUpdated(uint256 indexed tokenAmount);
event SwapBackSettingUpdated(bool indexed state);
event ERC20TokensRecovered(uint256 indexed _amount);
event TradingOpenUpdated();
event ETHBalanceRecovered();
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor (address _op) {
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 if (block.chainid == 8453){
uniswapV2Router = IUniswapV2Router02(0x4cf76043B3f97ba06917cBd90F9e3A2AAC1B306e);
}
else {
revert("Wrong Chain Id");
}
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
MarketingWallet = payable(0xf301E7EB1349FBfd5D1552e8d7abDF8A1B208804);
ops = _op;
_balances[_msgSender()] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[MarketingWallet] = true;
_isExcludedFromFee[ops] = true;
_isExcludedFromFee[deadWallet] = true;
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 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 taxAmount;
uint256 feeswap;
if (!_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
require(tradingOpen,"wait for trading to open");
}
if (from == uniswapV2Pair && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
require(amount <= maxTxAmount, "Max TxAmount is 2%");
}
if (from != uniswapV2Pair && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
require(amount <= maxTxAmount, "Max TxAmount is 2%");
}
if(to != uniswapV2Pair && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]){
require(balanceOf(to) + amount <= maxTxAmount, "Max TxAmount is 2%");
}
taxAmount = amount * (swapTaxes) / (100);
feeswap = taxAmount;
if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
feeswap = 0;
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && from != uniswapV2Pair && swapEnabled && contractTokenBalance >= _taxSwap) {
swapTokensForEth(_taxSwap);
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 {
MarketingWallet.transfer(amount);
}
function addExcludeFee(address account) external onlyOwner {
require(_isExcludedFromFee[account] != true,"Account is already excluded");
_isExcludedFromFee[account] = true;
emit ExcludeFromFeeUpdated(account);
}
function removeExcludeFee(address account) external onlyOwner {
require(_isExcludedFromFee[account] != false, "Account is already included");
_isExcludedFromFee[account] = false;
emit includeFromFeeUpdated(account);
}
function SetFees(uint256 _feeAmount) external onlyOwner {
require(_feeAmount <= 50, "Must keep fees at 50% or less");
swapTaxes = _feeAmount;
emit FeesUpdated(_feeAmount);
}
function setMarketingWallet(address payable _newWallet) external onlyOwner {
require(_newWallet != address(this), "CA will not be the Fee Reciever");
require(_newWallet != address(0), "0 addy will not be the fee Reciever");
MarketingWallet = _newWallet;
_isExcludedFromFee[_newWallet] = true;
emit FeesRecieverUpdated(_newWallet);
}
function setThreshouldAmount(uint256 tokenAmount) external onlyOwner {
require(tokenAmount <= 1e9, "amount must be less than or equal to 1% of the supply");
require(tokenAmount >= 1e8, "amount must be greater than or equal to 0.1% of the supply");
_taxSwap = tokenAmount * 10**_decimals;
emit SwapThreshouldUpdated(tokenAmount);
}
function removeMaxLimits() external onlyOwner {
maxTxAmount = _tTotal;}
function setMaxTx(uint256 amount) external onlyOwner {
require(amount >= 1e8, "amount must be greater than or equal to 0.1% of the supply");
maxTxAmount = amount * 10**_decimals;}
function setSwapBackSetting(bool state) external onlyOwner {
swapEnabled = state;
emit SwapBackSettingUpdated(state);}
function LPO() external onlyOwner() {
require(!tradingOpen,"trading is already open");
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
function enableTrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
swapEnabled = true;
tradingOpen = true;
swapTaxes = 35;
emit TradingOpenUpdated();
}
receive() external payable {}
function ClearERC20Tokens(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 ClearETHBalance() 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();
}
}