false
false

Contract Address Details

0xf617d89a811a39f06f5271f89db346a0ae297f71

Contract Name
GMCounter
Creator
0xbbe48a–9d3a05 at 0x6e973a–1d7d09
Balance
0 Xai ( )
Tokens
Fetching tokens...
Transactions
0 Transactions
Transfers
0 Transfers
Gas Used
Fetching gas used...
Last Balance Update
116068840
Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
Contract name:
GMCounter




Optimization enabled
true
Compiler version
v0.8.20+commit.a1b79de6




Optimization runs
200
EVM Version
london




Verified at
2025-09-03T14:04:31.575537Z

Constructor Arguments

0x00000000000000000000000021ad6ef3979638d8e73747f22b92c4aade145d8200000000000000000000000000000000000000000000000016345785d8a0000000000000000000000000000000000000000000000000000000000000000009c4

Arg [0] (address) : 0x21ad6ef3979638d8e73747f22b92c4aade145d82
Arg [1] (uint256) : 1600000000000000000
Arg [2] (uint256) : 2500

Contract source code

// SPDX-License-Identifier: MIT
// File: @openzeppelin/contracts/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/access/Ownable.sol


// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.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.
 *
 * 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: contracts/GMCounter.sol


contract GMCounter is Ownable {
    address public treasury;
    uint256 public fee;
    uint256 public referralFees;

    uint256 public constant BASIS_POINTS = 10000;

    mapping(address => uint256) public lastGM;

    uint256 public totalGMs;

    event GMSent(address indexed sender, address indexed referral);

    error InsufficientETH();
    error AlreadySentGM();
    error ReferralTransferFailed();
    error FeeTransferFailed();
    error SelfReferral();

    constructor(
        address _treasury,
        uint256 _fee,
        uint256 _referralFees
    ) Ownable(msg.sender) {
        treasury = _treasury;
        fee = _fee;
        referralFees = _referralFees;
    }

    function sayGM(address referral) external payable {
        if (msg.value < fee) {
            revert InsufficientETH();
        }

        if (referral == msg.sender) {
            revert SelfReferral();
        }

        uint256 today = block.timestamp / 86400;

        if (lastGM[msg.sender] == today) {
            revert AlreadySentGM();
        }

        lastGM[msg.sender] = today;
        
        totalGMs += 1;
        
        uint256 referralAmount = 0;

        if (referral != address(0)) {
            referralAmount = (msg.value * referralFees) / BASIS_POINTS;
            (bool refSuccess, ) = referral.call{value: referralAmount}("");
            if (!refSuccess) {
                revert ReferralTransferFailed();
            }
        }

        uint256 remaining = msg.value - referralAmount;

        (bool success, ) = treasury.call{value: remaining}("");

        if (!success) {
            revert FeeTransferFailed();
        }
        
        emit GMSent(msg.sender, referral);
    }

    function nextGMTimer(address user) external view returns (uint256) {
        uint256 today = block.timestamp / 86400;

        if (lastGM[user] < today) {
            return 0;
        }

        uint256 nextDay = (today + 1) * 86400;
        return nextDay - block.timestamp;
    }

    function setTreasury(address _treasury) external onlyOwner {
        require(_treasury != address(0), "Invalid treasury address");
        treasury = _treasury;
    }

    function setFee(uint256 _fee) external onlyOwner {
        require(_fee > 0, "Invalid fee");
        fee = _fee;
    }

    function setReferralFees(uint256 _referralFees) external onlyOwner {
        require(_referralFees < BASIS_POINTS, "Invalid referral fees");
        referralFees = _referralFees;
    }
}

Contract ABI

[{"type":"constructor","stateMutability":"nonpayable","inputs":[{"type":"address","name":"_treasury","internalType":"address"},{"type":"uint256","name":"_fee","internalType":"uint256"},{"type":"uint256","name":"_referralFees","internalType":"uint256"}]},{"type":"error","name":"AlreadySentGM","inputs":[]},{"type":"error","name":"FeeTransferFailed","inputs":[]},{"type":"error","name":"InsufficientETH","inputs":[]},{"type":"error","name":"OwnableInvalidOwner","inputs":[{"type":"address","name":"owner","internalType":"address"}]},{"type":"error","name":"OwnableUnauthorizedAccount","inputs":[{"type":"address","name":"account","internalType":"address"}]},{"type":"error","name":"ReferralTransferFailed","inputs":[]},{"type":"error","name":"SelfReferral","inputs":[]},{"type":"event","name":"GMSent","inputs":[{"type":"address","name":"sender","internalType":"address","indexed":true},{"type":"address","name":"referral","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"OwnershipTransferred","inputs":[{"type":"address","name":"previousOwner","internalType":"address","indexed":true},{"type":"address","name":"newOwner","internalType":"address","indexed":true}],"anonymous":false},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"BASIS_POINTS","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"fee","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"lastGM","inputs":[{"type":"address","name":"","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"nextGMTimer","inputs":[{"type":"address","name":"user","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"owner","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"referralFees","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"renounceOwnership","inputs":[]},{"type":"function","stateMutability":"payable","outputs":[],"name":"sayGM","inputs":[{"type":"address","name":"referral","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setFee","inputs":[{"type":"uint256","name":"_fee","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setReferralFees","inputs":[{"type":"uint256","name":"_referralFees","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setTreasury","inputs":[{"type":"address","name":"_treasury","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"totalGMs","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferOwnership","inputs":[{"type":"address","name":"newOwner","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"treasury","inputs":[]}]

Contract Creation Code

Verify & Publish 
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Deployed ByteCode

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