文件 1 的 1:PEBAI.sol
pragma solidity 0.8.22;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
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
);
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() {
_setOwner(_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 {
_setOwner(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
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 IDexSwapFactory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDexSwapRouter {
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 PEBAI is Context, IERC20, Ownable {
using SafeMath for uint256;
address private constant deadAddress = address(0xdead);
string private _name = "PEPE in Dubai";
string private _symbol = "PEBAI";
uint8 private _decimals = 18;
address private marketingWallet;
address private developerWallet;
struct feeStruct {
uint256 buy;
uint256 sell;
}
feeStruct public fee;
uint256 lastSwap;
uint256 SwapProtection = 5;
bool public stealth;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public IsChargePair;
mapping (address => bool) public isMarketPair;
uint256 private _totalSupply = 1_000_000_000 * 10**_decimals;
uint256 public maxTransaction = _totalSupply.mul(2).div(100);
uint256 public maxWallet = _totalSupply.mul(2).div(100);
uint256 public swapThreshold = _totalSupply.mul(1).div(100);
bool public swapEnabled = true;
bool public swapbylimit = true;
IDexSwapRouter public dexRouter;
address public dexPair;
bool inSwap;
modifier swapping() {
inSwap = true;
_;
inSwap = false;
}
modifier onlyGuard() {
require(msg.sender == developerWallet,'Invalid Caller!');
_;
}
event SwapTokensForETH(
uint256 amountIn,
address[] path
);
constructor(address _taxWallet) {
developerWallet = msg.sender;
marketingWallet = _taxWallet;
IDexSwapRouter _dexRouter = IDexSwapRouter(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
dexPair = IDexSwapFactory(_dexRouter.factory()).createPair(address(this),_dexRouter.WETH());
dexRouter = _dexRouter;
isMarketPair[dexPair] = true;
IsChargePair[address(this)] = true;
IsChargePair[developerWallet] = true;
IsChargePair[address(deadAddress)] = true;
fee.buy = 20;
fee.sell = 30;
_balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _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 _balances[account];
}
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 _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);
}
receive() external payable {}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, 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 _transfer(address sender, address recipient, uint256 amount) private returns (bool) {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if (inSwap) {
return _basicTransfer(sender, recipient, amount);
}
else {
if(!IsChargePair[sender] && !IsChargePair[recipient]) {
require(stealth,"Not stealth!");
require(amount <= maxTransaction, "Exceeds maxTxAmount");
if(!isMarketPair[recipient]) {
require(balanceOf(recipient).add(amount) <= maxWallet, "Exceeds maxWallet");
}
}
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinimumTokenBalance = contractTokenBalance >= swapThreshold;
if (overMinimumTokenBalance &&
!inSwap &&
!isMarketPair[sender] &&
swapEnabled &&
!IsChargePair[sender] &&
!IsChargePair[recipient]
) {
swapBack(contractTokenBalance);
}
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
uint256 finalAmount = shouldNotTakeFee(sender,recipient) ? amount : takeFee(sender, recipient, 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 shouldNotTakeFee(address sender, address recipient) internal view returns (bool) {
if(IsChargePair[sender] || IsChargePair[recipient]) {
return true;
}
else if (isMarketPair[sender] || isMarketPair[recipient]) {
return false;
}
else {
return false;
}
}
function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint feeAmount;
unchecked {
if(isMarketPair[sender]) {
feeAmount = amount.mul(fee.buy).div(100);
}
else if(isMarketPair[recipient]) {
feeAmount = amount.mul(fee.sell).div(100);
}
if(feeAmount > 0) {
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
}
return amount.sub(feeAmount);
}
}
function swapBack(uint contractBalance) internal swapping {
if (lastSwap + SwapProtection >= block.timestamp) {
return;
}
lastSwap = block.timestamp;
if(swapbylimit) contractBalance = swapThreshold;
uint256 initialBalance = address(this).balance;
swapTokensForEth(contractBalance);
uint256 amountReceived = address(this).balance.sub(initialBalance);
if(amountReceived > 0) {
(bool os,) = payable(marketingWallet).call{value: amountReceived}("");
os = true;
}
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();
_approve(address(this), address(dexRouter), tokenAmount);
dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
1,
path,
address(this),
block.timestamp + 30
);
emit SwapTokensForETH(tokenAmount, path);
}
function setMarketingWallet(address newAddress) external onlyOwner {
marketingWallet = newAddress;
}
function setDeveloperWallet(address _newWallet) external onlyOwner {
developerWallet = _newWallet;
}
function rescueFundsNative() external onlyGuard() {
require(address(this).balance > 0, "Token: no ETH to clear");
payable(msg.sender).transfer(address(this).balance);
}
function rescueStuckTokens(address tokenAddress) external onlyGuard() {
IERC20 tokenContract = IERC20(tokenAddress);
uint256 balance = tokenContract.balanceOf(address(this));
require(balance > 0, "No tokens to clear");
tokenContract.transfer(msg.sender, balance);
}
function burnClogged(uint _amount) external onlyGuard() {
uint contractBalance = _balances[address(this)];
require(contractBalance >= _amount,'Insufficient Balance!');
_balances[address(this)] = _balances[address(this)] - _amount;
_balances[address(deadAddress)] = _balances[address(deadAddress)] + _amount;
emit Transfer(address(this), address(deadAddress), _amount);
}
function setFee(uint _buy, uint _sell) external onlyOwner {
require(_buy <= 99 && _sell <= 99,"Max tax Limit Reached!");
fee.buy = _buy;
fee.sell = _sell;
}
function runStealth() external onlyOwner() {
require(!stealth,"Invalid!");
stealth = true;
}
function setSwapBackSettings(bool _enabled, bool _limited, uint _threshold)
external
onlyOwner
{
swapEnabled = _enabled;
swapbylimit = _limited;
swapThreshold = _threshold;
}
function removeLimits() external onlyOwner {
maxTransaction = _totalSupply;
maxWallet = _totalSupply;
}
function setCaPro(uint256 _delta) external onlyOwner {
SwapProtection = _delta;
}
}