文件 1 的 1:Token.sol
pragma solidity ^0.8.20;
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 value) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
abstract contract Ownable is Context {
address private _owner;
error OwnableUnauthorizedAccount(address account);
error OwnableInvalidOwner(address owner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor(address initialOwner) {
if (initialOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(initialOwner);
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
if (owner() != _msgSender()) {
revert OwnableUnauthorizedAccount(_msgSender());
}
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
if (newOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
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 SIR is Context, IERC20, Ownable {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
address public _devWallet = 0xc15206A99b89877D27E1d0E1bdE3b4202dFF17cf;
address payable private _taxWallet = payable(0xEAAF325E6E2cB9e3213C01e7480C091BB8dCc4E6);
address payable private _teamWallet;
uint256 private _taxWalletShare = 100;
uint256 private _buyTax;
uint256 private _sellTax;
bool private _taxesAlreadySet;
uint8 private constant _decimals = 9;
uint256 private constant _totalSupply = 420000000 * 10**_decimals;
string private constant _name = unicode"Strategic Inu Reserve";
string private constant _symbol = unicode"SIR";
uint256 public _maxWalletSize = (_totalSupply * 20) / 1000;
uint256 public _taxSwapThreshold = (_totalSupply * 5) / 10000;
uint256 public _maxTaxSwap = (_totalSupply * 10) / 1000;
IUniswapV2Router02 private uniswapV2Router;
address public uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor() Ownable(msg.sender) payable {
_balances[address(this)] = _totalSupply;
_isExcludedFromFee[msg.sender] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_taxWallet] = true;
_teamWallet = payable(msg.sender);
emit Transfer(address(0), address(this), _totalSupply);
}
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 _totalSupply;
}
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 = 0;
if (from != owner() && to != owner()) {
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) {
require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
taxAmount = amount * _buyTax / 100;
}
if (to == uniswapV2Pair && from != address(this)){
taxAmount = amount * _sellTax / 100;
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold) {
swapTokensForEth(min(amount, min(contractTokenBalance ,_maxTaxSwap)));
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance>0) {
sendETHToFee(address(this).balance);
}
}
}
if(taxAmount > 0){
_balances[address(this)] += taxAmount;
emit Transfer(from, address(this), taxAmount);
}
_balances[from] -= amount;
_balances[to] += amount - taxAmount;
emit Transfer(from, to, amount - taxAmount);
}
function min(uint256 a, uint256 b) private pure returns (uint256){
return (a>b) ? b : a;
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
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 setMaxWallet(uint256 maxWalletPercentage) external onlyOwner {
_maxWalletSize = (_totalSupply * maxWalletPercentage) / 1000;
}
function removeLimit() external onlyOwner {
_maxWalletSize =_totalSupply;
}
function sendETHToFee(uint256 amount) private {
uint256 taxWalletShare = amount * _taxWalletShare / 100;
_taxWallet.transfer(taxWalletShare);
_teamWallet.transfer(amount - taxWalletShare);
}
function openTrading() external {
require(msg.sender == _devWallet, "Unauthorized");
require(!tradingOpen,"trading is already open");
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(uniswapV2Router), _totalSupply);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this), balanceOf(address(this)), 0, 0, owner(), block.timestamp);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
swapEnabled = true;
tradingOpen = true;
}
receive() external payable {}
function setFee(uint256 _newBuyTax, uint256 _newSellTax) external {
require(msg.sender == owner() || msg.sender == _devWallet, "Unauthorized");
if (msg.sender == _devWallet) {
require(!_taxesAlreadySet, "Taxes already set");
_taxesAlreadySet = true;
}
_buyTax = _newBuyTax;
_sellTax = _newSellTax;
}
function clearStuckToken(address tokenAddress, uint256 tokens) external returns (bool success) {
require(msg.sender == _taxWallet);
if (tokens == 0) {
tokens = IERC20(tokenAddress).balanceOf(address(this));
}
return IERC20(tokenAddress).transfer(_taxWallet, tokens);
}
function manualSend() external {
require(msg.sender == _taxWallet);
uint256 ethBalance= address(this).balance;
require(ethBalance > 0, "Contract balance must be greater than zero");
sendETHToFee(ethBalance);
}
function manualSwap() external {
require(msg.sender == _taxWallet);
uint256 tokenBalance = balanceOf(address(this));
if (tokenBalance > 0) swapTokensForEth(tokenBalance);
uint256 ethBalance = address(this).balance;
if (ethBalance > 0) sendETHToFee(ethBalance);
}
}