以太坊代币合约审计申请

[fashen002]

/* Submitted for verification at Etherscan.io on 2021-08-01 */

// SPDX-License-Identifier: Unlicensed

/*

Shibrewards - Shiba Rewards

t.me/ShibrewardsToken

Earn by hodl (Up to 5% Reflection per transaction) Autostaking tokens 💴

REWARD SYSTEM Every transaction of Shibrewards, there is a 5% distribution reward to the holders. This will give all the holders a passive source of income on their token.

// No dev-wallets // Locked liquidity // Renounced ownership! // No tx modifiers // Community-Driven

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,..., ." --" ,., -"MMMMMMM MMMMMM" ". MMM"."" """""" """"" "" , _. ". ." ,., " _./ ." MMMMM" " ./ '''' ( ) .____.-'_"---.. \ / ______/ () ()

*/

pragma solidity ^0.8.4;

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; address private _previousOwner; 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 Shibrewards is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000000000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal;

uint256 private _feeAddr1;
uint256 private _feeAddr2;
address payable private _feeAddrWallet1;
address payable private _feeAddrWallet2;

string private constant _name = "Shibrewards";
string private constant _symbol = "Shibrewards";
uint8 private constant _decimals = 9;

IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
bool private cooldownEnabled = false;
uint256 private _maxTxAmount = _tTotal;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
    inSwap = true;
    _;
    inSwap = false;
}
constructor () {
    _feeAddrWallet1 = payable(0xa8FB832AfdB227B33359Fd625f09Ef5681e2608F);
    _feeAddrWallet2 = payable(0x8Ea7A7108E9C5e4De96e07f882802e26311Ce2cF);
    _rOwned[_msgSender()] = _rTotal;
    _isExcludedFromFee[owner()] = true;
    _isExcludedFromFee[address(this)] = true;
    _isExcludedFromFee[_feeAddrWallet1] = true;
    _isExcludedFromFee[_feeAddrWallet2] = true;
    emit Transfer(address(0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B), _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 tokenFromReflection(_rOwned[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 setCooldownEnabled(bool onoff) external onlyOwner() {
    cooldownEnabled = onoff;
}

function tokenFromReflection(uint256 rAmount) private view returns(uint256) {
    require(rAmount <= _rTotal, "Amount must be less than total reflections");
    uint256 currentRate =  _getRate();
    return rAmount.div(currentRate);
}

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");
    _feeAddr1 = 5;
    _feeAddr2 = 10;
    if (from != owner() && to != owner()) {
        require(!bots[from] && !bots[to]);
        if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) {
            // Cooldown
            require(amount <= _maxTxAmount);
            require(cooldown[to] < block.timestamp);
            cooldown[to] = block.timestamp + (30 seconds);
        }

        if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) {
            _feeAddr1 = 5;
            _feeAddr2 = 20;
        }
        uint256 contractTokenBalance = balanceOf(address(this));
        if (!inSwap && from != uniswapV2Pair && swapEnabled) {
            swapTokensForEth(contractTokenBalance);
            uint256 contractETHBalance = address(this).balance;
            if(contractETHBalance > 0) {
                sendETHToFee(address(this).balance);
            }
        }
    }

    _tokenTransfer(from,to,amount);
}

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 sendETHToFee(uint256 amount) private {
    _feeAddrWallet1.transfer(amount.div(2));
    _feeAddrWallet2.transfer(amount.div(2));
}

function openTrading() external onlyOwner() {
    require(!tradingOpen,"trading is already open");
    IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
    uniswapV2Router = _uniswapV2Router;
    _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);
    swapEnabled = true;
    cooldownEnabled = true;
    _maxTxAmount = 100000000000000000 * 10**9;
    tradingOpen = true;
    IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}

function setBots(address[] memory bots_) public onlyOwner {
    for (uint i = 0; i < bots_.length; i++) {
        bots[bots_[i]] = true;
    }
}

function delBot(address notbot) public onlyOwner {
    bots[notbot] = false;
}

function _tokenTransfer(address sender, address recipient, uint256 amount) private {
    _transferStandard(sender, recipient, amount);
}

function _transferStandard(address sender, address recipient, uint256 tAmount) private {
    (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
    _rOwned[sender] = _rOwned[sender].sub(rAmount);
    _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); 
    _takeTeam(tTeam);
    _reflectFee(rFee, tFee);
    emit Transfer(sender, recipient, tTransferAmount);
}

function _takeTeam(uint256 tTeam) private {
    uint256 currentRate =  _getRate();
    uint256 rTeam = tTeam.mul(currentRate);
    _rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
}

function _reflectFee(uint256 rFee, uint256 tFee) private {
    _rTotal = _rTotal.sub(rFee);
    _tFeeTotal = _tFeeTotal.add(tFee);
}

receive() external payable {}

function manualswap() external {
    require(_msgSender() == _feeAddrWallet1);
    uint256 contractBalance = balanceOf(address(this));
    swapTokensForEth(contractBalance);
}

function manualsend() external {
    require(_msgSender() == _feeAddrWallet1);
    uint256 contractETHBalance = address(this).balance;
    sendETHToFee(contractETHBalance);
}

function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
    (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2);
    uint256 currentRate =  _getRate();
    (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate);
    return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
}

function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) {
    uint256 tFee = tAmount.mul(taxFee).div(100);
    uint256 tTeam = tAmount.mul(TeamFee).div(100);
    uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
    return (tTransferAmount, tFee, tTeam);
}

function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
    uint256 rAmount = tAmount.mul(currentRate);
    uint256 rFee = tFee.mul(currentRate);
    uint256 rTeam = tTeam.mul(currentRate);
    uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);
    return (rAmount, rTransferAmount, rFee);
}

function _getRate() private view returns(uint256) {
    (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
    return rSupply.div(tSupply);
}

function _getCurrentSupply() private view returns(uint256, uint256) {
    uint256 rSupply = _rTotal;
    uint256 tSupply = _tTotal;      
    if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
    return (rSupply, tSupply);
}

}

[yuriy77k]

The audit fee is 659 USDT. You may send USDT (ERC20 or BEP20) to: 0xb9662e592f2f0412be62f0833ca463a9b1aabebb or USDT (TRC20) to: TBzUKbek9AYVBwf91ykh3KY4Ushk95SCiB

The estimated auditing time - 7 days after payment.