文件 1 的 1：VirtuAI.sol
pragma solidity 0.8.25;
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;
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(
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 VirtuAI is Context, IERC20, Ownable {
using SafeMath for uint256;
uint256 public _buyFees = 25;
uint256 public _sellFees = 25;
uint256 public revenueSharePart = 65;
uint256 public marketingPart = 35;
address public _revenueShareWallet;
string private constant _name = unicode"VirtuAI";
string private constant _symbol = unicode"VAI";
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 100_000_000 * 10 ** _decimals;
mapping (address => bool) private _excludedFromFee;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => uint256) private _balances;
bool public tradingEnabled;
uint256 private _swapTokensAtAmount = _tTotal / 750;
uint256 private _maxTaxSwap = _tTotal / 50;
bool private inSwap;
IUniswapV2Router02 uniswapV2Router;
uint256 public _maxWallet = _tTotal * 2 / 100;
address payable public _marketingWallet;
address public uniswapV2Pair;
bool private swapEnabled = true;
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_marketingWallet = payable(_msgSender());
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_excludedFromFee[address(uniswapV2Router)] = true;
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
_excludedFromFee[address(this)] = true;
_excludedFromFee[msg.sender] = true;
_balances[msg.sender] = _tTotal;
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) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
uint256 taxAmount=0;
if (!_excludedFromFee[from] && !_excludedFromFee[to]) {
require(tradingEnabled ,"Trading has not been started yet!");
taxAmount = amount * _buyFees / 100;
if (to != uniswapV2Pair) {
require(balanceOf(to) + amount <= _maxWallet, "Over max wallet.");
}
if(to == uniswapV2Pair){
taxAmount = amount * _sellFees / 100;
require(_swapTokensAtAmount < _tTotal);
}
if (from == uniswapV2Pair) {
require(balanceOf(to) + amount <= _maxWallet, "Over max wallet.");
}
uint256 contractBalance = balanceOf(address(this));
if (!inSwap && to == uniswapV2Pair && swapEnabled && contractBalance>_swapTokensAtAmount) {
swapTokensForEth(min(amount,min(contractBalance,_maxTaxSwap)));
}
}
if(taxAmount > 0){
_balances[address(this)] = _balances[address(this)].add(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,
_marketingWallet,
block.timestamp
);
}
function enableTrading() external onlyOwner {
tradingEnabled = true;
}
function manualSwap() external onlyOwner {
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(min(contractBalance,_maxTaxSwap));
}
function setMaxWallet(uint amount) external onlyOwner {
require(amount >= _tTotal / 500);
_maxWallet = amount;
}
function setSwapEnabled(bool status) external onlyOwner {
swapEnabled = status;
}
function setSwapTokensAtAmount(uint amount) external onlyOwner {
_swapTokensAtAmount = amount;
}
function setFees(uint newBuyFee, uint newSellFee) external onlyOwner {
_buyFees = newBuyFee;
_sellFees = newSellFee;
require(newBuyFee <= 30);
require(newSellFee <= 30);
}
function setVAIRevShareWallet(address wallet) external onlyOwner {
_revenueShareWallet = wallet;
}
function removeFees() external onlyOwner {
_buyFees=3;
_sellFees=3;
}
function removeLimits() external onlyOwner {
_maxWallet = _tTotal;
}
function excludeFromFees(address account, bool status) external onlyOwner {
_excludedFromFee[account] = status;
}
function setMarketingWallet(address payable _wallet) external onlyOwner {
_marketingWallet = _wallet;
}
receive() external payable {}
}
