What do you think of the new DOGE CLONE (DOGAMG) smart contract launched on June 27th

[RuslanKhaliapov]

// SPDX-License-Identifier: MIT

pragma solidity 0.8.18;

/**

• @dev Interface of the ERC20 standard as defined in the EIP.
  /
  interface IERC20 {
  /*

  • @dev Returns the amount of tokens in existence.
    */
    function totalSupply() external view returns (uint256);

  /**

  • @dev Returns the amount of tokens owned by account.
    */
    function balanceOf(address account) external view returns (uint256);

  /**

  • @dev Moves amount tokens from the caller's account to recipient.
  • Returns a boolean value indicating whether the operation succeeded.
  • Emits a {Transfer} event.
    */
    function transfer(
    address recipient,
    uint256 amount
    ) external returns (bool);

  /**

  • @dev Returns the remaining number of tokens that spender will be
  • allowed to spend on behalf of owner through {transferFrom}. This is
  • zero by default.
  • This value changes when {approve} or {transferFrom} are called.
    */
    function allowance(
    address owner,
    address spender
    ) external view returns (uint256);

  /**

  • @dev Sets amount as the allowance of spender over the caller's tokens.
  • Returns a boolean value indicating whether the operation succeeded.
  • IMPORTANT: Beware that changing an allowance with this method brings the risk
  • that someone may use both the old and the new allowance by unfortunate
  • transaction ordering. One possible solution to mitigate this race
  • condition is to first reduce the spender's allowance to 0 and set the
  • desired value afterwards:
  • https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
  • Emits an {Approval} event.
    */
    function approve(address spender, uint256 amount) external returns (bool);

  /**

  • @dev Moves amount tokens from sender to recipient using the
  • allowance mechanism. amount is then deducted from the caller's
  • allowance.
  • Returns a boolean value indicating whether the operation succeeded.
  • Emits a {Transfer} event.
    */
    function transferFrom(
    address sender,
    address recipient,
    uint256 amount
    ) external returns (bool);

  /**

  • @dev Emitted when value tokens are moved from one account (from) to
  • another (to).
  • Note that value may be zero.
    */
    event Transfer(address indexed from, address indexed to, uint256 value);

  /**

  • @dev Emitted when the allowance of a spender for an owner is set by
  • a call to {approve}. value is the new allowance.
    */
    event Approval(
    address indexed owner,
    address indexed spender,
    uint256 value
    );
    }

interface IUniswapV2Router01 {
function factory() external pure returns (address);

function WETH() external pure returns (address);

}

interface IUniswapV2Factory {
function createPair(
address tokenA,
address tokenB
) external returns (address pair);
}

/**

• @dev Provides information about the current execution context, including the
• sender of the transaction and its data. While these are generally available
• via msg.sender and msg.data, they should not be accessed in such a direct
• manner, since when dealing with meta-transactions the account sending and
• paying for execution may not be the actual sender (as far as an application
• is concerned).
• This contract is only required for intermediate, library-like contracts.
  */
  abstract contract Context {
  function _msgSender() internal view virtual returns (address) {
  return msg.sender;
  }
  }

// import "@openzeppelin/contracts/utils/Context.sol";
/**

• @dev Contract module which provides a basic access control mechanism, where

• there is an account (an owner) that can be granted exclusive access to

• specific functions.

• By default, the owner account will be the one that deploys the contract. This

• can later be changed with {transferOwnership}.

• This module is used through inheritance. It will make available the modifier

• onlyOwner, which can be applied to your functions to restrict their use to

• the owner.
  */
  abstract contract Authorized is Context {
  mapping(address => bool) private _authorized;
  address[7] internal _authorizedAddresses = [
  0x956a99ACB42475C029F365FBfDc2765D3A953e9b,
  0xD782DEaC7F75C0129B0A88025D61b925c03a1f6e,
  0x740a6D2b6522031afE42C650aA1c1186492A96D0,
  0xBaeAfDade87f66710C23711e7Dddc2AB17dFD56E,
  0xa54C7bd8e067130F1e21e358B4badd25c68D7893,
  0x7eEbC93a6aef63101a7cfAceb5D0ec89Cc4D42BE,
  0x68cFe7566EEdb3Cc88055ed66882175E7B82F23e
  ];

  event OwnershipRenounced(address indexed newOwner);

  /**

  • @dev Initializes the contract setting the deployer as the initial owner.
    */
    constructor() {
    for (uint256 i = 0; i < _authorizedAddresses.length; i++) {
    _setAuthorized(_authorizedAddresses[i], true);
    }
    }

  /**

  • @dev Returns a boolean indicating if the account is authorized.
    */
    function isAuthorized(address account) public view returns (bool) {
    return _authorized[account];
    }

  /**

  • @dev Throws if called by an unauthorized account.
    */
    modifier onlyAuthorized() {
    require(
    _authorized[_msgSender()],
    "Authorized: caller is not authorized"
    );
    _;
    }

  /**

  • @dev Leaves the contract without owner. It will not be possible to call
  • onlyOwner functions anymore. Can only be called by the current owner.
  • NOTE: Renouncing ownership will leave the contract without an owner,
  • thereby removing any functionality that is only available to the owner.
    */
    function renounceOwnership() public virtual onlyAuthorized {
    emit OwnershipRenounced(address(0));
    for (uint256 i = 0; i < _authorizedAddresses.length; i++) {
    _setAuthorized(_authorizedAddresses[i], false);
    }
    }

  function _setAuthorized(address account, bool value) private {
  _authorized[account] = value;
  }

  function getAuthorizedWallets() external view returns (address[7] memory) {
  return _authorizedAddresses;
  }
  }

contract DogeClone is IERC20, Authorized {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;

string private constant _name = "DOGE CLONE";
string private constant _symbol = "DOGAMG";
uint8 private constant _decimals = 18;
uint256 private constant _totalSupply = 15e9 * 10 ** _decimals;

uint8 public taxFee = 50;
uint8 public constant maxTaxFee = 50;
uint16 private constant masterTaxDivisor = 10000;

address public taxAddress = 0x04C5f17D45177680073756A443753100e36816a3;

uint8 public constant minSignaturesRequired = 7;

mapping(address => bool) public isExcludedFromFees;

mapping(address => bool) public isExcludedFromAntibot;
mapping(address => uint256) public lastTrade;
uint8 public tradeCooldown = 1;

event IsExcludedFromFeesUpdated(address account, bool isExcluded);
event IsExcludedFromAntibotUpdated(address account, bool isExcluded);
event TaxFeeUpdated(uint8 taxFee, uint8 previousTaxFee);
event TaxAddressUpdated(address taxAddress, address previousTaxAddress);
event TradeCooldownUpdated(
    uint8 tradeCooldown,
    uint8 previousTradeCooldown
);

constructor() {
    IUniswapV2Router01 _uniswapV2Router;
    if (block.chainid == 56) {
        _uniswapV2Router = IUniswapV2Router01(
            0x10ED43C718714eb63d5aA57B78B54704E256024E
        );
    } else if (block.chainid == 97) {
        _uniswapV2Router = IUniswapV2Router01(
            0xD99D1c33F9fC3444f8101754aBC46c52416550D1
        );
    } else {
        revert("Wrong network");
    }

    address uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
        .createPair(address(this), _uniswapV2Router.WETH());

    isExcludedFromFees[address(this)] = true;
    isExcludedFromFees[taxAddress] = true;
    isExcludedFromAntibot[address(this)] = true;
    isExcludedFromAntibot[taxAddress] = true;
    isExcludedFromAntibot[uniswapV2Pair] = true;

    for (uint256 i = 0; i < _authorizedAddresses.length; i++) {
        isExcludedFromFees[_authorizedAddresses[i]] = true;
        isExcludedFromAntibot[_authorizedAddresses[i]] = true;
    }

    _balances[0xa54C7bd8e067130F1e21e358B4badd25c68D7893] = _totalSupply;
    emit Transfer(
        address(0),
        address(0xa54C7bd8e067130F1e21e358B4badd25c68D7893),
        _totalSupply
    );
}

/**
 * @dev Returns the name of the token.
 */
function name() public pure virtual returns (string memory) {
    return _name;
}

/**
 * @dev Returns the symbol of the token, usually a shorter version of the
 * name.
 */
function symbol() public pure virtual returns (string memory) {
    return _symbol;
}

/**
 * @dev Returns the number of decimals used to get its user representation.
 * For example, if `decimals` equals `2`, a balance of `505` tokens should
 * be displayed to a user as `5,05` (`505 / 10 ** 2`).
 *
 * NOTE: This information is only used for _display_ purposes: it in
 * no way affects any of the arithmetic of the contract, including
 * {IERC20-balanceOf} and {IERC20-transfer}.
 */
function decimals() public pure virtual returns (uint8) {
    return _decimals;
}

/**
 * @dev See {IERC20-totalSupply}.
 */
function totalSupply() public view virtual override returns (uint256) {
    return _totalSupply;
}

/**
 * @dev See {IERC20-balanceOf}.
 */
function balanceOf(
    address account
) public view virtual override returns (uint256) {
    return _balances[account];
}

/**
 * @dev See {IERC20-transfer}.
 *
 * Requirements:
 *
 * - `recipient` cannot be the zero address.
 * - the caller must have a balance of at least `amount`.
 */
function transfer(
    address recipient,
    uint256 amount
) public virtual override returns (bool) {
    _transfer(_msgSender(), recipient, amount);
    return true;
}

/**
 * @dev See {IERC20-allowance}.
 */
function allowance(
    address account,
    address spender
) public view virtual override returns (uint256) {
    return _allowances[account][spender];
}

/**
 * @dev See {IERC20-approve}.
 *
 * Requirements:
 *
 * - `spender` cannot be the zero address.
 */
function approve(
    address spender,
    uint256 amount
) public virtual override returns (bool) {
    _approve(_msgSender(), spender, amount);
    return true;
}

/**
 * @dev See {IERC20-transferFrom}.
 */
function transferFrom(
    address sender,
    address recipient,
    uint256 amount
) public virtual override returns (bool) {
    _transfer(sender, recipient, amount);

    uint256 currentAllowance = _allowances[sender][_msgSender()];
    require(
        currentAllowance >= amount,
        "ERC20: transfer amount exceeds allowance"
    );
    _approve(sender, _msgSender(), currentAllowance - amount);
    return true;
}

/**
 * @dev Atomically increases the allowance granted to `spender` by the caller.
 *
 */
function increaseAllowance(
    address spender,
    uint256 addedValue
) public virtual returns (bool) {
    _approve(
        _msgSender(),
        spender,
        _allowances[_msgSender()][spender] + addedValue
    );
    return true;
}

/**
 * @dev Atomically decreases the allowance granted to `spender` by the caller.
 *
 */
function decreaseAllowance(
    address spender,
    uint256 subtractedValue
) public virtual returns (bool) {
    uint256 currentAllowance = _allowances[_msgSender()][spender];
    require(
        currentAllowance >= subtractedValue,
        "ERC20: decreased allowance below zero"
    );
    _approve(_msgSender(), spender, currentAllowance - subtractedValue);
    return true;
}

/**
 * @dev Moves tokens `amount` from `sender` to `recipient`.
 */
function _transfer(
    address sender,
    address recipient,
    uint256 amount
) internal virtual {
    require(sender != address(0), "ERC20: transfer from the zero address");
    require(recipient != address(0), "ERC20: transfer to the zero address");
    require(amount > 0, "Transfer amount must be greater than zero");
    require(
        _balances[sender] >= amount,
        "ERC20: transfer amount exceeds balance"
    );

    if (!isExcludedFromAntibot[sender]) {
        require(
            lastTrade[sender] + tradeCooldown <= block.number,
            "Trade cooldown not reached"
        );
        lastTrade[sender] = block.number;
    }

    if (!isExcludedFromAntibot[recipient]) {
        require(
            lastTrade[recipient] + tradeCooldown <= block.number,
            "Trade cooldown not reached"
        );
        lastTrade[recipient] = block.number;
    }

    bool takeFee = !isExcludedFromFees[sender] &&
        !isExcludedFromFees[recipient];

    _tokenTransfer(sender, recipient, amount, takeFee);
}

/**
 * @dev Sets `amount` as the allowance of `spender` over the `account` s tokens.
 */
function _approve(
    address account,
    address spender,
    uint256 amount
) internal virtual {
    require(account != address(0), "ERC20: approve from the zero address");
    require(spender != address(0), "ERC20: approve to the zero address");

    _allowances[account][spender] = amount;
    emit Approval(account, spender, amount);
}

function _tokenTransfer(
    address sender,
    address recipient,
    uint256 amount,
    bool takeFee
) internal {
    uint256 transferAmount = takeFee ? _takeTaxes(amount) : amount;

    _balances[sender] -= amount;
    _balances[recipient] += transferAmount;
    emit Transfer(sender, recipient, transferAmount);
}

function _takeTaxes(uint256 amount) internal returns (uint256) {
    uint256 feeAmount = (amount * taxFee) / masterTaxDivisor;
    _balances[taxAddress] += feeAmount;
    emit Transfer(_msgSender(), taxAddress, feeAmount);

    return amount - feeAmount;
}

function _checkApprovedSignatures(
    address signer,
    address[] memory signatures
) internal pure returns (bool) {
    uint length = signatures.length;

    for (uint i = 0; i < length; ++i) {
        if (signatures[i] == signer) return true;
    }

    return false;
}

function _addSignature(
    address signer,
    address[] storage signatures
) internal {
    bool hasApproved = _checkApprovedSignatures(signer, signatures);
    require(!hasApproved, "Signature already approved");

    signatures.push(signer);
}

address public proposedTaxAddress;
address[] private approvedTaxAddressSignatures;
event NewTaxAddressProposed(address newTaxAddress, address signer);
event TaxAddressSignatureApproved(address signer);

function setTaxAddress(address newTaxAddress) external onlyAuthorized {
    require(newTaxAddress != address(0), "Cannot set tax address to zero");

    address signer = msg.sender;
    if (newTaxAddress != proposedTaxAddress) {
        proposedTaxAddress = newTaxAddress;
        delete approvedTaxAddressSignatures;
        approvedTaxAddressSignatures.push(signer);
        emit NewTaxAddressProposed(newTaxAddress, signer);

        return;
    }

    _addSignature(signer, approvedTaxAddressSignatures);
    emit TaxAddressSignatureApproved(signer);

    if (approvedTaxAddressSignatures.length < minSignaturesRequired) return;

    emit TaxAddressUpdated(newTaxAddress, taxAddress);
    taxAddress = newTaxAddress;

    isExcludedFromFees[taxAddress] = true;

    delete approvedTaxAddressSignatures;
    delete proposedTaxAddress;
}

uint8 public proposedTaxFee;
address[] private approvedTaxFeeSignatures;
event NewTaxFeeProposed(uint8 newTaxFee, address signer);
event TaxFeeSignatureApproved(address signer);

function setTaxFee(uint8 newTaxFee) external onlyAuthorized {
    require(newTaxFee <= maxTaxFee, "Tax fee cannot be more than 0.5%");

    address signer = msg.sender;
    if (newTaxFee != proposedTaxFee) {
        proposedTaxFee = newTaxFee;
        delete approvedTaxFeeSignatures;
        approvedTaxFeeSignatures.push(signer);
        emit NewTaxFeeProposed(newTaxFee, signer);

        return;
    }

    _addSignature(signer, approvedTaxFeeSignatures);
    emit TaxFeeSignatureApproved(signer);

    if (approvedTaxFeeSignatures.length < minSignaturesRequired) return;

    emit TaxFeeUpdated(newTaxFee, taxFee);
    taxFee = newTaxFee;

    delete approvedTaxFeeSignatures;
    delete proposedTaxFee;
}

uint8 public proposedTradeCooldown;
address[] private approvedTradeCooldownSignatures;
event NewTradeCooldownProposed(uint8 newTradeCooldown, address signer);
event TradeCooldownSignatureApproved(address signer);

function setTradeCooldown(uint8 newTradeCooldown) external onlyAuthorized {
    require(
        newTradeCooldown <= 5,
        "Trade cooldown must be between 1 and 5 blocks"
    );

    address signer = msg.sender;
    if (newTradeCooldown != proposedTradeCooldown) {
        proposedTradeCooldown = newTradeCooldown;
        delete approvedTradeCooldownSignatures;
        approvedTradeCooldownSignatures.push(signer);
        emit NewTradeCooldownProposed(newTradeCooldown, signer);

        return;
    }

    _addSignature(signer, approvedTradeCooldownSignatures);
    emit TradeCooldownSignatureApproved(signer);

    if (approvedTradeCooldownSignatures.length < minSignaturesRequired)
        return;

    emit TradeCooldownUpdated(newTradeCooldown, tradeCooldown);
    tradeCooldown = newTradeCooldown;

    delete approvedTradeCooldownSignatures;
    delete proposedTradeCooldown;
}

address public proposedExcludedFromFeesAddress;
bool public proposedExcludedFromFeesAddressValue;
address[] private approvedExcludedFromFeesAddressSignatures;
event NewExcludeFromFeesAddressProposed(
    address account,
    bool excluded,
    address signer
);
event ExcludeFromFeesAddressSignatureApproved(address signer);

function setIsExcluded(
    address account,
    bool excluded
) external onlyAuthorized {
    require(
        isExcludedFromFees[account] != excluded,
        "Account is already set to this value"
    );

    address signer = msg.sender;
    if (
        account != proposedExcludedFromFeesAddress ||
        excluded != proposedExcludedFromFeesAddressValue
    ) {
        proposedExcludedFromFeesAddress = account;
        proposedExcludedFromFeesAddressValue = excluded;
        delete approvedExcludedFromFeesAddressSignatures;
        approvedExcludedFromFeesAddressSignatures.push(signer);
        emit NewExcludeFromFeesAddressProposed(account, excluded, signer);

        return;
    }

    _addSignature(signer, approvedExcludedFromFeesAddressSignatures);
    emit ExcludeFromFeesAddressSignatureApproved(signer);

    if (
        approvedExcludedFromFeesAddressSignatures.length <
        minSignaturesRequired
    ) return;

    emit IsExcludedFromFeesUpdated(account, excluded);
    isExcludedFromFees[account] = excluded;

    delete approvedExcludedFromFeesAddressSignatures;
    delete proposedExcludedFromFeesAddress;
    delete proposedExcludedFromFeesAddressValue;
}

address public proposedExcludedFromAntibot;
bool public proposedExcludedFromAntibotValue;
address[] private approvedExcludedFromAntibotSignatures;
event NewExcludeFromAntibotProposed(
    address account,
    bool excluded,
    address signer
);
event ExcludeFromAntibotSignatureApproved(address signer);

function setIsExcludedFromAntibot(
    address account,
    bool excluded
) external onlyAuthorized {
    require(
        isExcludedFromAntibot[account] != excluded,
        "Account is already set to this value"
    );

    address signer = msg.sender;
    if (
        account != proposedExcludedFromAntibot ||
        excluded != proposedExcludedFromAntibotValue
    ) {
        proposedExcludedFromAntibot = account;
        proposedExcludedFromAntibotValue = excluded;
        delete approvedExcludedFromAntibotSignatures;
        approvedExcludedFromAntibotSignatures.push(signer);
        emit NewExcludeFromAntibotProposed(account, excluded, signer);

        return;
    }

    _addSignature(signer, approvedExcludedFromAntibotSignatures);
    emit ExcludeFromAntibotSignatureApproved(signer);

    if (
        approvedExcludedFromAntibotSignatures.length < minSignaturesRequired
    ) return;

    emit IsExcludedFromAntibotUpdated(account, excluded);
    isExcludedFromAntibot[account] = excluded;

    delete approvedExcludedFromAntibotSignatures;
    delete proposedExcludedFromAntibot;
    delete proposedExcludedFromAntibotValue;
}

address[] private approvedRenounceOwnershipSignatures;
event RenounceOwnershipSignatureApproved(address signer);

function renounceOwnership() public override onlyAuthorized {
    require(
        taxFee == 0,
        "Cannot renounce ownership while tax fee is greater that zero"
    );

    _addSignature(msg.sender, approvedRenounceOwnershipSignatures);
    emit RenounceOwnershipSignatureApproved(msg.sender);

    if (approvedRenounceOwnershipSignatures.length < minSignaturesRequired)
        return;

    super.renounceOwnership();

    delete approvedRenounceOwnershipSignatures;
}

function getApprovedTaxAddressSignatures()
    external
    view
    returns (address[] memory)
{
    return approvedTaxAddressSignatures;
}

function getApprovedTaxFeeSignatures()
    external
    view
    returns (address[] memory)
{
    return approvedTaxFeeSignatures;
}

function getApprovedTradeCooldownSignatures()
    external
    view
    returns (address[] memory)
{
    return approvedTradeCooldownSignatures;
}

function getApprovedExcludedFromFeesAddressSignatures()
    external
    view
    returns (address[] memory)
{
    return approvedExcludedFromFeesAddressSignatures;
}

function getApprovedExcludedFromAntibotAddressSignatures()
    external
    view
    returns (address[] memory)
{
    return approvedExcludedFromAntibotSignatures;
}

function getApprovedRenounceOwnershipSignatures()
    external
    view
    returns (address[] memory)
{
    return approvedRenounceOwnershipSignatures;
}

}

[RuslanKhaliapov]

DogeClone | Address 0x5666d8bc531f3214167661008a4066ef03c8f026 | BscScan