Cryo Explorer Ethereum Mainnet

Address Contract Partially Verified

Address 0x27d4E264c9659aB34B095afd1c257db08921695E
Balance 0 ETH
Nonce 1
Code Size 5960 bytes
Indexed Transactions 0
External Etherscan · Sourcify

Contract Bytecode

5960 bytes
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Verified Source Code Partial Match

Compiler: v0.8.20+commit.a1b79de6 EVM: shanghai Optimization: Yes (200 runs)
PERAEMON.sol 309 lines
/**

Telegram  :   https://t.me/Peraemon
Twitter   :   https://twitter.com/PeraemonETH

**/
// SPDX-License-Identifier: MIT


pragma solidity 0.8.20;

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 PERAEMON 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 _mktWallet;
    uint256 firstBlock;

    uint256 private _initialBuyFee=22;
    uint256 private _initialSellFee=22;
    uint256 private _finalBuyTax=0;
    uint256 private _finalSellTax=0;
    uint256 private _reduceBuyTaxAt=20;
    uint256 private _reduceSellTaxAt=30;
    uint256 private _preventSwapBefore=20;
    uint256 private _buyCount=0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 1000000000 * 10**_decimals;
    string private constant _name = unicode"Peraemon";
    string private constant _symbol = unicode"PEMON";
    uint256 public _maxTxAmount =   20000000 * 10**_decimals;
    uint256 public _maxWalletSize = 20000000 * 10**_decimals;
    uint256 public _taxSwapThreshold= 9000000 * 10**_decimals;
    uint256 public _maxTaxSwap= 9000000 * 10**_decimals;

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

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

    constructor () {

        _mktWallet = payable(_msgSender());
        _balances[_msgSender()] = _tTotal;
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[_mktWallet] = 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()) {
            taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyFee).div(100);

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

                if (firstBlock + 5  > block.number) {
                    require(!isContract(to));
                }
                _buyCount++;
            }

            if (to != uniswapV2Pair && ! _isExcludedFromFee[to]) {
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
            }

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

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

        if(taxAmount>0){
          _balances[address(this)]=_balances[address(this)].add(taxAmount);
          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 isContract(address account) private view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    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 {
        _mktWallet.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;
        firstBlock = block.number;
    }

    receive() external payable {}
}

Read Contract

_maxTaxSwap 0x0faee56f → uint256
_maxTxAmount 0x7d1db4a5 → uint256
_maxWalletSize 0x8f9a55c0 → uint256
_taxSwapThreshold 0xbf474bed → uint256
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint8
name 0x06fdde03 → string
owner 0x8da5cb5b → address
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256

Write Contract 6 functions

These functions modify contract state and require a wallet transaction to execute.

approve 0x095ea7b3
address spender
uint256 amount
returns: bool
openTrading 0xc9567bf9
No parameters
removeLimits 0x751039fc
No parameters
renounceOwnership 0x715018a6
No parameters
transfer 0xa9059cbb
address recipient
uint256 amount
returns: bool
transferFrom 0x23b872dd
address sender
address recipient
uint256 amount
returns: bool

Recent Transactions

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