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Contract Name:
MintpadFactory

Contract Source Code:

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../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 Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @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 {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/Clones.sol)

pragma solidity ^0.8.0;

/**
 * @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for
 * deploying minimal proxy contracts, also known as "clones".
 *
 * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies
 * > a minimal bytecode implementation that delegates all calls to a known, fixed address.
 *
 * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2`
 * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the
 * deterministic method.
 *
 * _Available since v3.4._
 */
library Clones {
    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.
     *
     * This function uses the create opcode, which should never revert.
     */
    function clone(address implementation) internal returns (address instance) {
        /// @solidity memory-safe-assembly
        assembly {
            // Cleans the upper 96 bits of the `implementation` word, then packs the first 3 bytes
            // of the `implementation` address with the bytecode before the address.
            mstore(0x00, or(shr(0xe8, shl(0x60, implementation)), 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000))
            // Packs the remaining 17 bytes of `implementation` with the bytecode after the address.
            mstore(0x20, or(shl(0x78, implementation), 0x5af43d82803e903d91602b57fd5bf3))
            instance := create(0, 0x09, 0x37)
        }
        require(instance != address(0), "ERC1167: create failed");
    }

    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.
     *
     * This function uses the create2 opcode and a `salt` to deterministically deploy
     * the clone. Using the same `implementation` and `salt` multiple time will revert, since
     * the clones cannot be deployed twice at the same address.
     */
    function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {
        /// @solidity memory-safe-assembly
        assembly {
            // Cleans the upper 96 bits of the `implementation` word, then packs the first 3 bytes
            // of the `implementation` address with the bytecode before the address.
            mstore(0x00, or(shr(0xe8, shl(0x60, implementation)), 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000))
            // Packs the remaining 17 bytes of `implementation` with the bytecode after the address.
            mstore(0x20, or(shl(0x78, implementation), 0x5af43d82803e903d91602b57fd5bf3))
            instance := create2(0, 0x09, 0x37, salt)
        }
        require(instance != address(0), "ERC1167: create2 failed");
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt,
        address deployer
    ) internal pure returns (address predicted) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(add(ptr, 0x38), deployer)
            mstore(add(ptr, 0x24), 0x5af43d82803e903d91602b57fd5bf3ff)
            mstore(add(ptr, 0x14), implementation)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73)
            mstore(add(ptr, 0x58), salt)
            mstore(add(ptr, 0x78), keccak256(add(ptr, 0x0c), 0x37))
            predicted := keccak256(add(ptr, 0x43), 0x55)
        }
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt
    ) internal view returns (address predicted) {
        return predictDeterministicAddress(implementation, salt, address(this));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @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;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.28;

import "@openzeppelin/contracts/proxy/Clones.sol";
import "../utils/OperatedOwnable.sol";
import "../utils/Versioning.sol";

contract MintpadFactory is OperatedOwnable, Versioning {
    // Event emitted when a clone is created
    event CloneCreated(address address_);

    // Set the owner of the contract
    constructor(
        address owner,
        address operator
    ) OperatedOwnable(owner, operator) {
        _setVersion("1.0.0");
    }

    // Create a clone of the implementation contract
    function clone(
        address _implementation,
        bytes memory _initData
    ) external onlyOperator returns (address address_) {
        // Clone the implementation contract
        address_ = Clones.clone(_implementation);

        // Initialize the clone
        (bool success, ) = address_.call(_initData);
        require(success, "BleverFactory: failed to initialize clone");

        // Emit an event
        emit CloneCreated(address_);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.28;

import "@openzeppelin/contracts/access/Ownable.sol";

contract OperatedOwnable is Ownable {
    // Mapping to store multiple operators
    mapping(address => bool) private _operators;

    // Events to track operator changes
    event OperatorAdded(address indexed operator);
    event OperatorRemoved(address indexed operator);
    event OperatorTransferred(
        address indexed previousOperator,
        address indexed newOperator
    );

    // Modifier to restrict access to only operators
    modifier onlyOperator() {
        require(
            isOperator(msg.sender),
            "OperatorManager: caller is not an operator"
        );
        _;
    }

    // Constructor to set the owner and operator
    constructor(address owner, address operator) {
        require(
            operator != address(0),
            "OperatorManager: operator is the zero address"
        );
        _operators[operator] = true;
        _transferOwnership(owner); // Transfer ownership to the specified owner
    }

    // Function to check if an address is an operator
    function isOperator(address account) public view returns (bool) {
        return _operators[account];
    }

    // Function to allow the owner to add a new operator
    function addOperator(address operator) public onlyOwner {
        require(
            operator != address(0),
            "OperatorManager: operator is the zero address"
        );
        require(
            !_operators[operator],
            "OperatorManager: operator already exists"
        );

        _operators[operator] = true;
        emit OperatorAdded(operator);
    }

    // Function to allow the owner to remove an operator
    function removeOperator(address operator) public onlyOwner {
        require(
            _operators[operator],
            "OperatorManager: operator does not exist"
        );

        _operators[operator] = false;
        emit OperatorRemoved(operator);
    }

    // Function to renounce operator status (called by the operator themselves)
    function renounceOperator() public onlyOperator {
        _operators[msg.sender] = false;
        emit OperatorRemoved(msg.sender);
    }

    // Function to transfer the operator role by the current operator
    function transferOperator(address newOperator) public onlyOperator {
        require(
            newOperator != address(0),
            "OperatorManager: new operator is the zero address"
        );
        emit OperatorTransferred(msg.sender, newOperator);
        _operators[msg.sender] = false;
        _operators[newOperator] = true;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.28;

abstract contract Versioning {
    // The version of the contract
    string public version;

    constructor() {}

    // Set the version of the contract
    function _setVersion(string memory _version) internal {
        version = _version;
    }
}

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