Contract Source Code:
/*
https://ordix.io
https://docs.ordix.io
https://twitter.com/OrdiXProtocol
https://t.me/ordixportal
https://t.me/OrdiXBot
*/
// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;
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);
}
contract Ownable {
error NotOwner();
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
address msgSender = msg.sender;
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
if (_owner != msg.sender) revert NotOwner();
_;
}
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(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external payable returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);
}
contract OrdiX is IERC20, Ownable {
error TradingAlreadyOpen();
error ZeroAddress();
error ZeroAmount();
error ZeroValue();
error ZeroToken();
error TaxTooHigh();
error NotSelf();
error Unauthorized();
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private _isExcludedFromLimits;
mapping(address => bool) private _isExcludedFromFee;
mapping(address => bool) private bots;
address payable private _taxWallet;
uint256 private _firstBlock;
uint256 private _initialBuyTax = 30;
uint256 private _initialSellTax = 50;
uint256 private _finalBuyTax = 15;
uint256 private _finalSellTax = 20;
uint256 private _reduceBuyTaxAt = 20;
uint256 private _reduceSellTaxAt = 25;
uint256 private _preventSwapBefore = 50;
uint256 private _buyCount = 0;
uint8 private constant _DECIMALS = 9;
uint256 private constant _TOTAL = 1000000000 * 10 ** _DECIMALS;
string private constant _NAME = unicode"OrdiX";
string private constant _SYMBOL = unicode"ORDIX";
uint256 public maxTx = 20000000 * 10 ** _DECIMALS;
uint256 public maxWallet = 20000000 * 10 ** _DECIMALS;
uint256 public swapThreshold = 10000000 * 10 ** _DECIMALS;
uint256 public maxTaxSwap = 10000000 * 10 ** _DECIMALS;
IUniswapV2Router02 private constant _UNISWAP_V2_ROUTER =
IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address private _uniswapV2Pair;
bool public lpAdded;
bool private _inSwap = false;
bool private _swapEnabled = false;
event MaxTxAmountUpdated(uint256 maxTx);
constructor() {
_taxWallet = payable(msg.sender);
_balances[msg.sender] = _TOTAL;
_isExcludedFromLimits[tx.origin] = true;
_isExcludedFromLimits[address(0)] = true;
_isExcludedFromLimits[address(0xdead)] = true;
_isExcludedFromLimits[address(this)] = true;
_isExcludedFromLimits[address(_UNISWAP_V2_ROUTER)] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[tx.origin] = true;
emit Transfer(address(0), msg.sender, _TOTAL);
}
receive() external payable {}
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 _TOTAL;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(msg.sender, 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(msg.sender, spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_approve(sender, msg.sender, _allowances[sender][msg.sender] - amount);
_transfer(sender, recipient, amount);
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
if (owner == address(0)) revert ZeroAddress();
if (spender == address(0)) revert ZeroAddress();
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
if (from == address(0)) revert ZeroAddress();
if (to == address(0)) revert ZeroAddress();
if (amount == 0) revert ZeroAmount();
require(!bots[from] && !bots[to], "bots");
if (maxWallet != _TOTAL && !_isExcludedFromLimits[to]) {
require(balanceOf(to) + amount <= maxWallet, "Exceeds maxWallet");
}
if (maxTx != _TOTAL && !_isExcludedFromLimits[from]) {
require(amount <= maxTx, "Exceeds maxTx");
}
uint256 contractTokenBalance = balanceOf(address(this));
if (
!_inSwap && contractTokenBalance >= swapThreshold && _swapEnabled && _buyCount > _preventSwapBefore
&& to == _uniswapV2Pair && !_isExcludedFromFee[from]
) {
_swapTokensForEth(_min(amount, _min(contractTokenBalance, maxTaxSwap)));
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance > 0) {
_sendETHToFee(contractETHBalance);
}
}
uint256 taxAmount = 0;
if (!_inSwap && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
// sell
if (to == _uniswapV2Pair) {
taxAmount = (amount * ((_buyCount > _reduceSellTaxAt) ? _finalSellTax : _initialSellTax)) / 100;
}
// buy
else if (from == _uniswapV2Pair) {
if (_firstBlock + 25 > block.number) {
require(!_isContract(to), "contract");
}
taxAmount = (amount * ((_buyCount > _reduceBuyTaxAt) ? _finalBuyTax : _initialBuyTax)) / 100;
++_buyCount;
}
}
if (taxAmount > 0) {
_balances[address(this)] = _balances[address(this)] + taxAmount;
emit Transfer(from, address(this), taxAmount);
}
_balances[from] = _balances[from] - amount;
_balances[to] = _balances[to] + amount - taxAmount;
emit Transfer(from, to, amount - taxAmount);
}
function removeLimits() external onlyOwner {
maxTx = _TOTAL;
maxWallet = _TOTAL;
emit MaxTxAmountUpdated(_TOTAL);
}
function setBots(address[] memory bots_, bool isBot_) public onlyOwner {
for (uint256 i = 0; i < bots_.length; i++) {
bots[bots_[i]] = isBot_;
}
}
function openTrading(uint256 amount) external payable onlyOwner {
if (lpAdded) revert TradingAlreadyOpen();
if (msg.value == 0) revert ZeroValue();
if (amount == 0) revert ZeroToken();
_transfer(msg.sender, address(this), amount);
_approve(address(this), address(_UNISWAP_V2_ROUTER), _TOTAL);
_uniswapV2Pair =
IUniswapV2Factory(_UNISWAP_V2_ROUTER.factory()).createPair(address(this), _UNISWAP_V2_ROUTER.WETH());
_isExcludedFromLimits[_uniswapV2Pair] = true;
_UNISWAP_V2_ROUTER.addLiquidityETH{value: address(this).balance}(
address(this), balanceOf(address(this)), 0, 0, owner(), block.timestamp
);
IERC20(_uniswapV2Pair).approve(address(_UNISWAP_V2_ROUTER), type(uint256).max);
_swapEnabled = true;
lpAdded = true;
_firstBlock = block.number;
}
function lowerTaxes(uint256 buyTax_, uint256 sellTax_) external onlyOwner {
if (buyTax_ > _finalBuyTax) { revert TaxTooHigh(); }
if (sellTax_ > _finalSellTax) { revert TaxTooHigh(); }
_finalBuyTax = buyTax_;
_finalSellTax = sellTax_;
}
function clearStuck() external {
(bool success,) = _taxWallet.call{value: address(this).balance}("");
require(success);
}
function clearStuckSelfToken() external {
if (msg.sender != _taxWallet) { revert Unauthorized(); }
_transfer(address(this), _taxWallet, balanceOf(address(this)));
}
function clearStuckToken(address token) external {
if (token == address(this)) { revert NotSelf(); }
IERC20(token).transfer(_taxWallet, IERC20(token).balanceOf(address(this)));
}
function isBot(address a) public view returns (bool) {
return bots[a];
}
function _min(uint256 a, uint256 b) private pure returns (uint256) {
return (a > b) ? b : a;
}
function _isContract(address account) private view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
function _swapTokensForEth(uint256 tokenAmount) private {
_inSwap = true;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = _UNISWAP_V2_ROUTER.WETH();
_approve(address(this), address(_UNISWAP_V2_ROUTER), tokenAmount);
_UNISWAP_V2_ROUTER.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount, 0, path, address(this), block.timestamp
);
_inSwap = false;
}
function _sendETHToFee(uint256 amount) private {
_taxWallet.transfer(amount);
}
}