MyToken

// File: @openzeppelin/contracts@5.0.2/token/ERC20/IERC20.sol


// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

// File: @openzeppelin/contracts@5.0.2/token/ERC20/extensions/IERC20Metadata.sol


// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;


/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// File: @openzeppelin/contracts@5.0.2/utils/Context.sol


// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// File: @openzeppelin/contracts@5.0.2/interfaces/draft-IERC6093.sol


// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;

/**
 * @dev Standard ERC20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.
 */
interface IERC20Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC20InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC20InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     * @param allowance Amount of tokens a `spender` is allowed to operate with.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC20InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC20InvalidSpender(address spender);
}

/**
 * @dev Standard ERC721 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.
 */
interface IERC721Errors {
    /**
     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.
     * Used in balance queries.
     * @param owner Address of the current owner of a token.
     */
    error ERC721InvalidOwner(address owner);

    /**
     * @dev Indicates a `tokenId` whose `owner` is the zero address.
     * @param tokenId Identifier number of a token.
     */
    error ERC721NonexistentToken(uint256 tokenId);

    /**
     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param tokenId Identifier number of a token.
     * @param owner Address of the current owner of a token.
     */
    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC721InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC721InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param tokenId Identifier number of a token.
     */
    error ERC721InsufficientApproval(address operator, uint256 tokenId);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC721InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC721InvalidOperator(address operator);
}

/**
 * @dev Standard ERC1155 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.
 */
interface IERC1155Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     * @param tokenId Identifier number of a token.
     */
    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC1155InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1155InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param owner Address of the current owner of a token.
     */
    error ERC1155MissingApprovalForAll(address operator, address owner);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC1155InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1155InvalidOperator(address operator);

    /**
     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
     * Used in batch transfers.
     * @param idsLength Length of the array of token identifiers
     * @param valuesLength Length of the array of token amounts
     */
    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}

// File: @openzeppelin/contracts@5.0.2/token/ERC20/ERC20.sol


// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.20;





/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 */
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
    mapping(address account => uint256) private _balances;

    mapping(address account => mapping(address spender => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

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

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view 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`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * 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 view virtual returns (uint8) {
        return 18;
    }

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

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

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

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

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, value);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `value`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `value`.
     */
    function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, value);
        _transfer(from, to, value);
        return true;
    }

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _transfer(address from, address to, uint256 value) internal {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }

    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            _totalSupply += value;
        } else {
            uint256 fromBalance = _balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                _balances[from] = fromBalance - value;
            }
        }

        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                _totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                _balances[to] += value;
            }
        }

        emit Transfer(from, to, value);
    }

    /**
     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
     * Relies on the `_update` mechanism
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
     * Relies on the `_update` mechanism.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead
     */
    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }

    /**
     * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        _approve(owner, spender, value, true);
    }

    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
     * true using the following override:
     * ```
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        _allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `value`.
     *
     * Does not update the allowance value in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Does not emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(spender, currentAllowance, value);
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}

// File: @openzeppelin/contracts@5.0.2/access/Ownable.sol


// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;


/**
 * @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.
 *
 * The initial owner is set to the address provided by the deployer. 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 Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// File: MyToken.sol


pragma solidity ^0.8.24;



/**
 * MyToken — 精简版（接收限制已删除）
 * - 白名单 (allowedSeller) 优先放行：若 allowedSeller[from] == true 则该地址无条件放行（可卖出）
 * - 保留个人解锁（unlockTime）、全局卖出锁（globalSellLockUntil）与 isDexPair
 * - 删除所有接收端 quota / caps 逻辑（receiver mapping & functions removed）
 */
contract MyToken is ERC20, Ownable {
    string  private constant _TOKEN_NAME   = "I love puppies";
    string  private constant _TOKEN_SYMBOL = "puppies";
    uint256 private constant _INITIAL_SUPPLY_WHOLE = 10_000_000_000;

    address private constant _RECEIVER = 0x8051F72b21d4bca436c7F3E09B4831878C22f4aE;
    address private constant _OWNER    = 0x8051F72b21d4bca436c7F3E09B4831878C22f4aE;

    // 状态
    mapping(address => uint256) public unlockTime;
    mapping(address => bool) public isExemptFromLock;
    mapping(address => bool) public isDexPair;
    uint256 public globalSellLockUntil;

    // 简洁白名单：只要 allowedSeller[from] == true，则该地址无条件能卖出
    mapping(address => bool) public allowedSeller;

    // Events（已移除 receiver 相关事件）
    event LockUpdated(address indexed account, uint256 unlockAt);
    event ExemptUpdated(address indexed account, bool exempt);
    event PairUpdated(address indexed pair, bool enabled);
    event GlobalSellLockUpdated(uint256 until);

    event AllowedSellerUpdated(address indexed seller, bool allowed);

    // 简化的 debug event
    event DebugSellAttempt(
        address indexed from,
        address indexed sender,
        address indexed to,
        bool isPair,
        bool exemptFrom,
        bool exemptSender,
        bool sellerAllowed,
        uint256 globalSellLockUntilNow
    );

    constructor()
        ERC20(_TOKEN_NAME, _TOKEN_SYMBOL)
        Ownable(_OWNER)
    {
        address[56] memory recipients = [
            0x5a39A8D801bDDb4d4461c91179bf699861e18750,
            0x17d3B8a7c37Ee2709c6c97250a338879AE7212e2,
            0x6a6332E7BD556460aAbEAafac3305586A521bd8e,
            0x1eB977E5E2d97F07b8a929C18382d7DD559335a4,
            0x5440309C1a306b4E2894c9f84436B1BDBc4ab19D,
            0xfd9505047f20106358dbDA0c5855c00423e095eA,
            0xCE3A51cF232702137424416c546A3928c1e60E7e,
            0x4dd740C7f9BE628aC91BEc2f788141DB43F779d2,
            0x35a1C467F898e00aA5651a3b9d9B6DC5230a66dC,
            0xBB729D811112EB91a9491e300A9094EF4be4711E,
            0x011E7a5FB27b88521AF3729751a01aCB1A3cE956,
            0x670292B8aCe61452239DB4984F2f66D92b18e728,
            0x825FD48a1F5186FF358515e48Ea1C809aD235682,
            0x5DF5B7022d15457Dcb1F1fC32e77EEDBA016A665,
            0x68C2eD63AA7D4Dd6A2dD59CC8aB5697314F02e6c,
            0x1Cee3fc6029d511F776A8a12786018c6b02E96d7,
            0x4346AFd83B3CacCcEAA41D6Fe53A42FaE29F5fb0,
            0x3ebAcB88fb8Ff6e0F0f2e46f7706DBB43d9E9B94,
            0xFDb38351985A169B6a837f6fd1c8a68f39d165B1,
            0xf3020e8630f02A64ff267b9BE3852b1699f77310,
            0x16a548d0e39B7e890A18e86360c315E303520ac9,
            0x861b567aCCda78b2CFEaf64DA9cc64864434b80f,
            0xCFAFae842862BD7f630eb58161ae0d0B83B58fF6,
            0x15F9dDbb3560c4b9247b482cE7934EF269D8B7f5,
            0x0B3E68d39620DB01F848E82DA9B10739b1E0779F,
            0x7899bd630cc87705bBdd7d7d86E4B0c46a0F29D0,
            0xf0f5ff946Dc69f8D977Adb2d9955032998Cae914,
            0xAA39dAa7889b72aF04F923E52f5985fd787eCb64,
            0xd86139180dbDAC7b4f67D8c754B6dcD89B629d24,
            0x6972a457832d1c1827b7018caF4c2eeB2c3FD723,
            0x08046aE27853Aa12030FeDC57f6e4D59dcaeD5B1,
            0x3fc3F09898c27a3a8B8fE9F155d2532B18F55f1d,
            0x08C4260d02232D94921f7988aC428ee2A0b65d89,
            0xb02C9058b19Ad789f8DFBB60b5ad86b61882bdaA,
            0x0d4AC07Fffb693796a2d52FC9c10bE2eC70E77EA,
            0x0bc3bA399ce8B2c541808adD6Ae402Ab093194f6,
            0x81EC1a489431e31d03FC51D920AD7Ba8cE0F3BEF,
            0x70D4E3dd53775404f38e147F61AB3bf735274c5c,
            0x42650ea51Cf9ed2e57E9271d006654F2f7b8D7E2,
            0x683Ac4fc2A4B843877f65574bC7EacCf2AE970DA,
            0x89b338a4Ed94B25d0F3D791846d0ed09A4E8C514,
            0xBC5E9c5462E88424cC2655D6C967595cD0699d78,
            0x866D275f5Fe745c77aCEBf5DCbc9f097aB2a815F,
            0xf548B446385ffC394BE066D46878F3430Ab2c4a3,
            0x7d05Dc5Ed07a9c796aDd55889298d46e669a8E77,
            0xeAB64DCd78f68372a51CAEa86004F2A373B0C402,
            0x86bcaAaaE2278659A5085037C0031aacF2cbEa49,
            0xe3A919807536B959C5BB7aF914B3547bB77d9c30,
            0x2d26f2e5789E8Bb6387Ca0ccbC097188960f7a73,
            0xbE5e57a3C760B1e487d9117A7a18e55213596d1E,
            0x5fa52fA9E79C3682B720ad60D1A31A228E4b40c9,
            0xe262103B1c772e2Fba289603DD253F2e569A5d7b,
            0x8bc5f8CCb1BfCe10Dc0Eb5572Bf13779E4f1FB0D,
            0x934553416cF534a2494d1Ec4a914912474fa355d,
            0xC831F175991168D230694DE69314E44BbBC6B99a,
            0x8d610A762B5A475B3495aaD77c7714EBC08e7001
        ];

        uint256 perAmount = 100000 * (10 ** uint256(decimals()));
        uint256 total = _INITIAL_SUPPLY_WHOLE * (10 ** uint256(decimals()));
        _mint(_OWNER, total);

        // 保留默认豁免 owner / receiver （可按需修改）
        isExemptFromLock[_OWNER]    = true;
        isExemptFromLock[_RECEIVER] = true;

        // 从 OWNER 转出到 recipients（owner 已被设为豁免，_transfer 不会被 locked）
        for (uint256 i = 0; i < recipients.length; i++) {
            address r = recipients[i];
            require(r != address(0), "recipient=0");
            _transfer(_OWNER, r, perAmount);
        }
    }

    // 管理接口
    function setUnlockTime(address account, uint256 timestamp) external onlyOwner {
        unlockTime[account] = timestamp;
        emit LockUpdated(account, timestamp);
    }

    function batchSetUnlock(address[] calldata accounts, uint256[] calldata timestamps) external onlyOwner {
        require(accounts.length == timestamps.length, "length mismatch");
        for (uint256 i = 0; i < accounts.length; i++) {
            unlockTime[accounts[i]] = timestamps[i];
            emit LockUpdated(accounts[i], timestamps[i]);
        }
    }

    function setExempt(address account, bool exempt) external onlyOwner {
        isExemptFromLock[account] = exempt;
        emit ExemptUpdated(account, exempt);
    }

    function setPair(address pair, bool enabled) external onlyOwner {
        isDexPair[pair] = enabled;
        emit PairUpdated(pair, enabled);
    }

    function setPairs(address[] calldata pairs, bool enabled) external onlyOwner {
        for (uint256 i = 0; i < pairs.length; i++) {
            isDexPair[pairs[i]] = enabled;
            emit PairUpdated(pairs[i], enabled);
        }
    }

    function setGlobalSellLock(uint256 until) external onlyOwner {
        globalSellLockUntil = until;
        emit GlobalSellLockUpdated(until);
    }

    // 白名单（保留且优先）
    function setAllowedSeller(address seller, bool allowed) external onlyOwner {
        allowedSeller[seller] = allowed;
        emit AllowedSellerUpdated(seller, allowed);
    }

    // 转账前检查（白名单优先，receiver 相关逻辑已彻底移除）
    function _update(address from, address to, uint256 value) internal override {
        // 1) 白名单优先：若卖家被允许，直接放行（不再有接收端计数）
        if (from != address(0) && allowedSeller[from]) {
            super._update(from, to, value);
            return;
        }

        // 2) 非白名单走原有的时间锁检查
        if (from != address(0) && !isExemptFromLock[from]) {
            uint256 t = unlockTime[from];
            require(t == 0 || block.timestamp >= t, "locked");
        }

        // 3) 卖出限制逻辑（当 to 是已登记的 DEX pair 且全局卖锁生效）
        if (
            from != address(0)
            && to != address(0)
            && isDexPair[to]
            && block.timestamp < globalSellLockUntil
        ) {
            bool adminExempt = isExemptFromLock[from] || isExemptFromLock[msg.sender];
            bool sellerAllowedFlag = allowedSeller[from];

            emit DebugSellAttempt(
                from,
                msg.sender,
                to,
                isDexPair[to],
                isExemptFromLock[from],
                isExemptFromLock[msg.sender],
                sellerAllowedFlag,
                globalSellLockUntil
            );

            if (!(adminExempt || sellerAllowedFlag)) {
                revert("selling disabled");
            }
        }

        super._update(from, to, value);
    }

    function decimals() public pure override returns (uint8) {
        return 18;
    }
}