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// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

import {Ownable} from "openzeppelin/access/Ownable.sol";
import {IERC721} from "openzeppelin/token/ERC721/IERC721.sol";

contract LucisTrade is Ownable {
    /*//////////////////////////////////////////////////////////////////////////
                                  Events
    //////////////////////////////////////////////////////////////////////////*/

    event SkullClaimed(uint256 indexed _ticketId, uint256 indexed _skullId, address indexed _claimer);

    event WinnersSet(
        uint256[] _winningTicketIds,
        string[] _ticketIdComments,
        uint256[] _skullIdsForWinners
    );

    /*//////////////////////////////////////////////////////////////////////////
                                  Structs
    //////////////////////////////////////////////////////////////////////////*/
    struct Ticket {
        string comment;
        uint256 skullId;
    }

    /*//////////////////////////////////////////////////////////////////////////
                                  State Variables
    //////////////////////////////////////////////////////////////////////////*/

    uint256 private _semaphore;

    address public skullHolder;
    IERC721 public skullNFTAddress;
    IERC721 public ticketAddress;

    mapping(uint256 => Ticket) public winners;

    bool public winnersSelected;

    /*//////////////////////////////////////////////////////////////////////////
                                  Modifiers
    //////////////////////////////////////////////////////////////////////////*/

    modifier addressesSet() {
        require(skullHolder != address(0), "a0");
        require(address(skullNFTAddress) != address(0), "a1");
        require(address(ticketAddress) != address(0), "a2");
        _;
    }

    modifier guarded() {
        require(_semaphore == 0);
        _semaphore = 1;
        _;
        _semaphore = 0;
    }

    /*//////////////////////////////////////////////////////////////////////////
                                  Constructor
    //////////////////////////////////////////////////////////////////////////*/

    constructor(
        address _skullHolder, 
        address _skullNFTAddress, 
        address _ticketAddress
    ) {
        skullHolder = _skullHolder;
        skullNFTAddress = IERC721(_skullNFTAddress);
        ticketAddress = IERC721(_ticketAddress);
    }

    /*//////////////////////////////////////////////////////////////////////////
                                  Admin Functions
    //////////////////////////////////////////////////////////////////////////*/

    function setSkullHolder(address _skullHolder) external onlyOwner {
        skullHolder = _skullHolder;
    }

    function setSkullNFTAddress(address _skullNFTAddress) external onlyOwner {
        skullNFTAddress = IERC721(_skullNFTAddress);
    }

    function setTicketAddress(address _ticketAddress) external onlyOwner {
        ticketAddress = IERC721(_ticketAddress);
    }

    function setTicketWinnersAndSkulls(
        uint256[] calldata _winningTicketIds,
        string[] calldata _ticketIdComments,
        uint256[] calldata _skullIdsForWinners
    ) external onlyOwner {
        require(_winningTicketIds.length == 3);
        require(_ticketIdComments.length == 3);
        require(_skullIdsForWinners.length == 3);

        for (uint8 i = 0; i < 3; i++) {
            winners[_winningTicketIds[i]] = Ticket(
                _ticketIdComments[i],
                _skullIdsForWinners[i]
            );
        }
        winnersSelected = true;

        emit WinnersSet(
            _winningTicketIds,
            _ticketIdComments,
            _skullIdsForWinners
        );
    }

    /*//////////////////////////////////////////////////////////////////////////
                                External Functions
    //////////////////////////////////////////////////////////////////////////*/

    function claimSkull(uint256[] calldata _ticketIds) external addressesSet guarded {
        require(winnersSelected, "c5");
        require(skullNFTAddress.isApprovedForAll(skullHolder, address(this)), "c0");
        require(ticketAddress.isApprovedForAll(msg.sender, address(this)), "c1");
        require(_ticketIds.length <= 3, "c2");

        for (uint8 i = 0; i < _ticketIds.length; i++) {
            Ticket memory ticket = winners[_ticketIds[i]];
            delete winners[_ticketIds[i]];
            require(ticketAddress.ownerOf(_ticketIds[i]) == msg.sender, "c3");
            require(bytes(ticket.comment).length != 0, "c4");
            skullNFTAddress.safeTransferFrom(skullHolder, msg.sender, ticket.skullId, bytes(ticket.comment));
            ticketAddress.safeTransferFrom(msg.sender, skullHolder, _ticketIds[i]);

            emit SkullClaimed(_ticketIds[i], ticket.skullId, msg.sender);
        }
    }
}

// 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) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

// 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;
    }
}

// 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);
}

{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "libraries": {}
}

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[{"inputs":[{"internalType":"address","name":"_skullHolder","type":"address"},{"internalType":"address","name":"_skullNFTAddress","type":"address"},{"internalType":"address","name":"_ticketAddress","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"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_ticketId","type":"uint256"},{"indexed":true,"internalType":"uint256","name":"_skullId","type":"uint256"},{"indexed":true,"internalType":"address","name":"_claimer","type":"address"}],"name":"SkullClaimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256[]","name":"_winningTicketIds","type":"uint256[]"},{"indexed":false,"internalType":"string[]","name":"_ticketIdComments","type":"string[]"},{"indexed":false,"internalType":"uint256[]","name":"_skullIdsForWinners","type":"uint256[]"}],"name":"WinnersSet","type":"event"},{"inputs":[{"internalType":"uint256[]","name":"_ticketIds","type":"uint256[]"}],"name":"claimSkull","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_skullHolder","type":"address"}],"name":"setSkullHolder","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_skullNFTAddress","type":"address"}],"name":"setSkullNFTAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_ticketAddress","type":"address"}],"name":"setTicketAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_winningTicketIds","type":"uint256[]"},{"internalType":"string[]","name":"_ticketIdComments","type":"string[]"},{"internalType":"uint256[]","name":"_skullIdsForWinners","type":"uint256[]"}],"name":"setTicketWinnersAndSkulls","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"skullHolder","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"skullNFTAddress","outputs":[{"internalType":"contract IERC721","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ticketAddress","outputs":[{"internalType":"contract IERC721","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"winners","outputs":[{"internalType":"string","name":"comment","type":"string"},{"internalType":"uint256","name":"skullId","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"winnersSelected","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]

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000000000000000000000000cc7427393ddb3414a3337aa884e45f3057428935000000000000000000000000c9041f80dce73721a5f6a779672ec57ef255d27c000000000000000000000000da6558fa1c2452938168ef79dfd29c45aba8a32b

-----Decoded View---------------
Arg [0] : _skullHolder (address): 0xcC7427393DDB3414a3337aA884E45F3057428935
Arg [1] : _skullNFTAddress (address): 0xC9041F80DcE73721A5f6a779672Ec57Ef255d27c
Arg [2] : _ticketAddress (address): 0xDa6558fA1c2452938168EF79DfD29c45Aba8a32B

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000cc7427393ddb3414a3337aa884e45f3057428935
Arg [1] : 000000000000000000000000c9041f80dce73721a5f6a779672ec57ef255d27c
Arg [2] : 000000000000000000000000da6558fa1c2452938168ef79dfd29c45aba8a32b