Contract

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";

import {IRoyaltyFeeRegistry} from "../interfaces/IRoyaltyFeeRegistry.sol";
import {IOwnable} from "../interfaces/IOwnable.sol";

/**
 * @title RoyaltyFeeSetter
 * @notice It is used to allow creators to set royalty parameters in the RoyaltyFeeRegistry.
 */
contract RoyaltyFeeSetter is Ownable {
    // ERC721 interfaceID
    bytes4 public constant INTERFACE_ID_ERC721 = 0x80ac58cd;

    // ERC1155 interfaceID
    bytes4 public constant INTERFACE_ID_ERC1155 = 0xd9b67a26;

    // ERC2981 interfaceID
    bytes4 public constant INTERFACE_ID_ERC2981 = 0x2a55205a;

    address public immutable royaltyFeeRegistry;

    /**
     * @notice Constructor
     * @param _royaltyFeeRegistry address of the royalty fee registry
     */
    constructor(address _royaltyFeeRegistry) {
        royaltyFeeRegistry = _royaltyFeeRegistry;
    }

    /**
     * @notice Update royalty info for collection if admin
     * @dev Only to be called if there is no setter address
     * @param collection address of the NFT contract
     * @param setter address that sets the receiver
     * @param receiver receiver for the royalty fee
     * @param fee fee (500 = 5%, 1,000 = 10%)
     */
    function updateRoyaltyInfoForCollectionIfAdmin(
        address collection,
        address setter,
        address receiver,
        uint256 fee
    ) external {
        require(!IERC165(collection).supportsInterface(INTERFACE_ID_ERC2981), "Admin: Must not be ERC2981");
        require(msg.sender == IOwnable(collection).admin(), "Admin: Not the admin");

        _updateRoyaltyInfoForCollectionIfOwnerOrAdmin(collection, setter, receiver, fee);
    }

    /**
     * @notice Update royalty info for collection if owner
     * @dev Only to be called if there is no setter address
     * @param collection address of the NFT contract
     * @param setter address that sets the receiver
     * @param receiver receiver for the royalty fee
     * @param fee fee (500 = 5%, 1,000 = 10%)
     */
    function updateRoyaltyInfoForCollectionIfOwner(
        address collection,
        address setter,
        address receiver,
        uint256 fee
    ) external {
        require(!IERC165(collection).supportsInterface(INTERFACE_ID_ERC2981), "Owner: Must not be ERC2981");
        require(msg.sender == IOwnable(collection).owner(), "Owner: Not the owner");

        _updateRoyaltyInfoForCollectionIfOwnerOrAdmin(collection, setter, receiver, fee);
    }

    /**
     * @notice Update royalty info for collection
     * @dev Only to be called if there msg.sender is the setter
     * @param collection address of the NFT contract
     * @param setter address that sets the receiver
     * @param receiver receiver for the royalty fee
     * @param fee fee (500 = 5%, 1,000 = 10%)
     */
    function updateRoyaltyInfoForCollectionIfSetter(
        address collection,
        address setter,
        address receiver,
        uint256 fee
    ) external {
        (address currentSetter, , ) = IRoyaltyFeeRegistry(royaltyFeeRegistry).royaltyFeeInfoCollection(collection);
        require(msg.sender == currentSetter, "Setter: Not the setter");

        IRoyaltyFeeRegistry(royaltyFeeRegistry).updateRoyaltyInfoForCollection(collection, setter, receiver, fee);
    }

    /**
     * @notice Update royalty info for collection
     * @dev Can only be called by contract owner (of this)
     * @param collection address of the NFT contract
     * @param setter address that sets the receiver
     * @param receiver receiver for the royalty fee
     * @param fee fee (500 = 5%, 1,000 = 10%)
     */
    function updateRoyaltyInfoForCollection(
        address collection,
        address setter,
        address receiver,
        uint256 fee
    ) external onlyOwner {
        IRoyaltyFeeRegistry(royaltyFeeRegistry).updateRoyaltyInfoForCollection(collection, setter, receiver, fee);
    }

    /**
     * @notice Update owner of royalty fee registry
     * @dev Can be used for migration of this royalty fee setter contract
     * @param _owner new owner address
     */
    function updateOwnerOfRoyaltyFeeRegistry(address _owner) external onlyOwner {
        IOwnable(royaltyFeeRegistry).transferOwnership(_owner);
    }

    /**
     * @notice Update royalty info for collection
     * @param _royaltyFeeLimit new royalty fee limit (500 = 5%, 1,000 = 10%)
     */
    function updateRoyaltyFeeLimit(uint256 _royaltyFeeLimit) external onlyOwner {
        IRoyaltyFeeRegistry(royaltyFeeRegistry).updateRoyaltyFeeLimit(_royaltyFeeLimit);
    }

    /**
     * @notice Check royalty info for collection
     * @param collection collection address
     * @return (whether there is a setter (address(0 if not)),
     * Position
     * 0: Royalty setter is set in the registry
     * 1: ERC2981 and no setter
     * 2: setter can be set using owner()
     * 3: setter can be set using admin()
     * 4: setter cannot be set, nor support for ERC2981
     */
    function checkForCollectionSetter(address collection) external view returns (address, uint8) {
        (address currentSetter, , ) = IRoyaltyFeeRegistry(royaltyFeeRegistry).royaltyFeeInfoCollection(collection);

        if (currentSetter != address(0)) {
            return (currentSetter, 0);
        }

        try IERC165(collection).supportsInterface(INTERFACE_ID_ERC2981) returns (bool interfaceSupport) {
            if (interfaceSupport) {
                return (address(0), 1);
            }
        } catch {}

        try IOwnable(collection).owner() returns (address setter) {
            return (setter, 2);
        } catch {
            try IOwnable(collection).admin() returns (address setter) {
                return (setter, 3);
            } catch {
                return (address(0), 4);
            }
        }
    }

    /**
     * @notice Update information and perform checks before updating royalty fee registry
     * @param collection address of the NFT contract
     * @param setter address that sets the receiver
     * @param receiver receiver for the royalty fee
     * @param fee fee (500 = 5%, 1,000 = 10%)
     */
    function _updateRoyaltyInfoForCollectionIfOwnerOrAdmin(
        address collection,
        address setter,
        address receiver,
        uint256 fee
    ) internal {
        (address currentSetter, , ) = IRoyaltyFeeRegistry(royaltyFeeRegistry).royaltyFeeInfoCollection(collection);
        require(currentSetter == address(0), "Setter: Already set");

        require(
            (IERC165(collection).supportsInterface(INTERFACE_ID_ERC721) ||
                IERC165(collection).supportsInterface(INTERFACE_ID_ERC1155)),
            "Setter: Not ERC721/ERC1155"
        );

        IRoyaltyFeeRegistry(royaltyFeeRegistry).updateRoyaltyInfoForCollection(collection, setter, receiver, fee);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @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 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 v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IRoyaltyFeeRegistry {
    function updateRoyaltyInfoForCollection(
        address collection,
        address setter,
        address receiver,
        uint256 fee
    ) external;

    function updateRoyaltyFeeLimit(uint256 _royaltyFeeLimit) external;

    function royaltyInfo(address collection, uint256 amount) external view returns (address, uint256);

    function royaltyFeeInfoCollection(address collection)
        external
        view
        returns (
            address,
            address,
            uint256
        );
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IOwnable {
    function transferOwnership(address newOwner) external;

    function owner() external view returns (address);

    function admin() external view returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 888888
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"_royaltyFeeRegistry","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"INTERFACE_ID_ERC1155","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"INTERFACE_ID_ERC2981","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"INTERFACE_ID_ERC721","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"collection","type":"address"}],"name":"checkForCollectionSetter","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"royaltyFeeRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"updateOwnerOfRoyaltyFeeRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_royaltyFeeLimit","type":"uint256"}],"name":"updateRoyaltyFeeLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"collection","type":"address"},{"internalType":"address","name":"setter","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"updateRoyaltyInfoForCollection","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"collection","type":"address"},{"internalType":"address","name":"setter","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"updateRoyaltyInfoForCollectionIfAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"collection","type":"address"},{"internalType":"address","name":"setter","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"updateRoyaltyInfoForCollectionIfOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"collection","type":"address"},{"internalType":"address","name":"setter","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"updateRoyaltyInfoForCollectionIfSetter","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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00000000000000000000000012405db79325d06a973ad913d6e9bda1343cd526

-----Decoded View---------------
Arg [0] : _royaltyFeeRegistry (address): 0x12405dB79325D06a973aD913D6e9BdA1343cD526

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000012405db79325d06a973ad913d6e9bda1343cd526