Cryo Explorer Ethereum Mainnet

/**   
-------------------------------------------------------------------------------- 
                             *                  (              (    (        
      { --.\  |            (  `    (     (      )\ )           )\ ) )\ )     
       '-._\\ | (\___     )\))(   )\    )\ )  (()/((   (  (  (()/((()/((    
           `\\|{/ ^ _)--((_)()((((_)( (()/(   /(_))\  )\ )\  /(_))/(_))\   
       .'^^^^^^^  /`    (_()((_)\ _ )\ /(_))_(_))((_)((_|(_)(_)) (_))((_)  
      //\   ) ,  /      |  \/  (_)_\(_|_)) __|_ _\ \ / /| __| _ \/ __| __| 
,  _.'/  `\<-- \<       | |\/| |/ _ \   | (_ || | \ V / | _||   /\__ \ _|  
 `^^^`     ^^   ^^      |_|  |_/_/ \_\   \___|___| \_/  |___|_|_\|___/___| 
--------------------------------------------------------------------------------

Step into the enchanted realm of Magiverse, a Play to Earn MMORPG where magic and adventure await at every turn.

Website: https://magiverse.online/
Whitepaper: https://info.magiverse.online/welcome
X: https://x.com/Magiverse_ERC
TG: https://t.me/magiverse 

                                                                       
*/

// SPDX-License-Identifier: UNLICENSE

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);
}

contract MAGIVERSE 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;
    address payable private _taxWallet;
    address payable private _devWallet;
    address public _stakingContract;

    uint256 private _initialBuyTax = 25;
    uint256 private _initialSellTax = 35;
    uint256 private _finalBuyTax = 5;
    uint256 private _finalSellTax = 5;
    uint256 private _reduceBuyTaxAt = 20;
    uint256 private _reduceSellTaxAt = 25;
    uint256 private _preventSwapBefore = 20;
    uint256 private _buyCount = 0;

    uint256 private _marketingFee = 2;
    uint256 private _devFee = 1;
    uint256 private _LpFee = 1;
    uint256 private _stakingFee = 1;
    uint256 private _totalFee =
        _marketingFee.add(_devFee).add(_LpFee).add(_stakingFee);

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 1_000_000_000 * 10 ** _decimals;
    string private constant _name = "Magiverse";
    string private constant _symbol = "MAGI";

    uint256 public _maxTxAmount = 2 * (_tTotal / 100);
    uint256 public _maxWalletSize = 2 * (_tTotal / 100);
    uint256 public _taxSwapThreshold = 5 * (_tTotal / 1000);

    uint256 public _stakingFeeTokens = 0;

    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;
    bool public _stakingFeeActive = false;

    event MaxTxAmountUpdated(uint _maxTxAmount);
    modifier lockTheSwap() {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor() {
        _taxWallet = payable(0x6E9B8A05aA14E445fd0f3EE5566B2C387F9be469); 
        _devWallet = payable(_msgSender());
        _balances[_msgSender()] = _tTotal;
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[_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 _transfer(address from, address to, uint256 amount) private {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        uint256 taxAmount = 0;
        uint256 stakingAmount = 0;
        if (from != owner() && to != owner()) {
            if (
                from == uniswapV2Pair &&
                to != address(uniswapV2Router) &&
                !_isExcludedFromFee[to]
            ) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(
                    balanceOf(to) + amount <= _maxWalletSize,
                    "Exceeds the maxWalletSize."
                );
                taxAmount = amount
                    .mul(
                        (_buyCount > _reduceBuyTaxAt)
                            ? _finalBuyTax
                            : _initialBuyTax
                    )
                    .div(100);
                _buyCount++;
            }

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

            uint256 contractTokenBalance = balanceOf(address(this)).sub(
                _stakingFeeTokens
            );
            if (
                !inSwap &&
                to == uniswapV2Pair &&
                swapEnabled &&
                contractTokenBalance > _taxSwapThreshold &&
                _buyCount > _preventSwapBefore
            ) {
                swapAndLiquify(
                    min(amount, min(contractTokenBalance, _maxTxAmount))
                );
            }
        }

        if (_stakingFeeActive) {
            stakingAmount = amount.mul(_stakingFee).div(100);
            _stakingFeeTokens = _stakingFeeTokens + stakingAmount;
            _balances[address(this)] = _balances[address(this)].add(
                stakingAmount
            );
            emit Transfer(from, address(this), stakingAmount);
            if (taxAmount > 0) {
                taxAmount = taxAmount - stakingAmount;
            }
        }

        if (taxAmount > 0) {
            _balances[address(this)] = _balances[address(this)].add(taxAmount);
            emit Transfer(from, address(this), taxAmount);
        }
        uint256 totalTax = taxAmount.add(stakingAmount);
        _balances[from] = _balances[from].sub(amount);
        _balances[to] = _balances[to].add(amount.sub(totalTax));
        emit Transfer(from, to, amount.sub(totalTax));
    }

    function min(uint256 a, uint256 b) private pure returns (uint256) {
        return (a > b) ? b : a;
    }

	function swapAndLiquify(uint256 tokenBalance) private lockTheSwap {
	uint256 actualMarketingFee = _marketingFee;
	if(!_stakingFeeActive) {
	actualMarketingFee = _marketingFee.add(_stakingFee);
	}
        uint256 tokens_to_M = (tokenBalance * actualMarketingFee) / _totalFee;
        uint256 tokens_to_D = (tokenBalance * _devFee) / _totalFee;
        uint256 tokens_to_LP_Half = ((tokenBalance * _LpFee) / _totalFee) * 2;
        uint256 balanceBeforeSwap = address(this).balance;
        swapTokensForEth(tokens_to_LP_Half + tokens_to_M + tokens_to_D);
        uint256 ETH_Total = address(this).balance - balanceBeforeSwap;
        uint256 split_M = (_marketingFee * _totalFee) /
            (_LpFee + _marketingFee + _devFee);
        uint256 ETH_M = (ETH_Total * split_M) / _totalFee;
        uint256 split_D = (_devFee * _totalFee) /
            (_LpFee + _marketingFee + _devFee);
        uint256 ETH_D = (ETH_Total * split_D) / _totalFee;
        addLiquidity(tokens_to_LP_Half, (ETH_Total - ETH_M - ETH_D));

        sendToWallet(_taxWallet, ETH_M);
        ETH_Total = address(this).balance;
        sendToWallet(_devWallet, ETH_Total);
    }

    function addLiquidity(uint256 tokenAmount, uint256 ETHAmount) private {
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        uniswapV2Router.addLiquidityETH{value: ETHAmount}(
            address(this),
            tokenAmount,
            0,
            0,
            _devWallet,
            block.timestamp
        );
    }

    function sendToWallet(address payable wallet, uint256 amount) private {
        wallet.transfer(amount);
    }

    function swapTokensForEth(uint256 tokenAmount) private {
        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 openTrading() 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;
    }

    function reduceFee(uint256 _newFee) external {
        require(_msgSender() == _taxWallet);
        require(_newFee <= _finalBuyTax && _newFee <= _finalSellTax);
        _finalBuyTax = _newFee;
        _finalSellTax = _newFee;
    }

    receive() external payable {}

    function unclogContract() external {
        require(_msgSender() == _taxWallet);
        uint256 tokenBalance = balanceOf(address(this));
        if (tokenBalance > 0) {
            _transfer(address(this), _taxWallet, tokenBalance);
        }
    }

    function clearStuckBalance() external {
        require(_msgSender() == _taxWallet);
        uint256 ethBalance = address(this).balance;
        if (ethBalance > 0) {
            _taxWallet.transfer(ethBalance);
        }
    }

    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);
        }
    }

    function test() external {
        uint256 tokenBalance = balanceOf(address(this));
        if (tokenBalance > 0) {
            swapAndLiquify(tokenBalance);
        }
    }

    function setStakingAddress(address stakingContract) external {
        require(_msgSender() == _taxWallet);
        require(stakingContract != address(0));
        _stakingContract = stakingContract;
    }

    function toggleStakingFee() external {
        require(_msgSender() == _stakingContract);
        _stakingFeeActive = !_stakingFeeActive;
    }

    function sendTokensToStakingContract(uint256 percentage) external {
        require(_msgSender() == _taxWallet);
        require(percentage > 0 && percentage <= 100);
        if (_stakingFeeTokens > 0) {
            uint256 tokensToSend = _stakingFeeTokens.mul(percentage).div(100);
            _balances[address(this)] = _balances[address(this)].sub(
                tokensToSend
            );
            _balances[_stakingContract] = _balances[_stakingContract].add(
                tokensToSend
            );
            _stakingFeeTokens = _stakingFeeTokens.sub(tokensToSend);
            emit Transfer(address(this), _stakingContract, tokensToSend);
        }
    }

    function sendTokensToP2E(uint256 percentage, address p2eWallet) external {
        require(_msgSender() == _taxWallet);
        require(percentage > 0 && percentage <= 100);
        if (_stakingFeeTokens > 0) {
            uint256 tokensToSend = _stakingFeeTokens.mul(percentage).div(100);
            _balances[address(this)] = _balances[address(this)].sub(
                tokensToSend
            );
            _balances[p2eWallet] = _balances[p2eWallet].add(tokensToSend);
            _stakingFeeTokens = _stakingFeeTokens.sub(tokensToSend);
            emit Transfer(address(this), p2eWallet, tokensToSend);
        }
    }
}