Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

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

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Strings.sol";

interface IDada721 {
    function ownerOf(uint256 tokenId) external view returns (address);

    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    function collectibleInfo(uint256 _collectibleId)
        external
        view
        returns (
            uint256,
            uint256,
            uint256,
            uint256,
            uint256,
            uint256,
            uint256,
            uint256,
            string memory,
            string memory
        );
}

interface IDadaCollectible {
    function transfer(
        address to,
        uint256 drawingId,
        uint256 printIndex
    ) external returns (bool success);

    function DrawingPrintToAddress(uint256 print)
        external
        returns (address _address);

    function buyCollectible(uint256 drawingId, uint256 printIndex)
        external
        payable;

    function makeCollectibleUnavailableToSale(
        address to,
        uint256 drawingId,
        uint256 printIndex,
        uint256 lastSellValue
    ) external;

    function OfferedForSale(uint256)
        external
        returns (
            bool,
            uint256,
            uint256,
            address,
            uint256,
            address,
            uint256
        );
}

contract DadaCollectibleWrapper is ERC721, Ownable {
    using Strings for uint256;
    IDadaCollectible dadaCollectible; /*2017 ERC20 collection contract*/

    IDada721 dadaNft; /*2019 ERC721 collection contract*/

    string private _baseTokenURI; /*URI where metadata for all tokens is stored*/

    string public contractURI; /*contractURI contract metadata json*/

    uint256 constant PREFIX_2017 = 20170000000000; /*Prefix for 14 digit token IDs*/
    uint256 constant PREFIX_2019 = 20190000000000; /*Prefix for 14 digit token IDs*/
    uint256 constant DRAWING_ASSET_ID_MUL = 100000; /*Multiplier to shift middle identifier*/

    event Wrapped2017(
        uint256 _2017DrawingId,
        uint256 indexed _2017PrintIndex,
        uint256 _wrappedTokenId
    );
    event Unwrapped2017(
        uint256 _2017DrawingId,
        uint256 indexed _2017PrintIndex,
        uint256 _wrappedTokenId
    );

    event Wrapped2019(
        uint256 _2019TokenId,
        uint256 indexed _2019TokenNumber,
        uint256 _wrappedTokenId
    );
    event Unwrapped2019(
        uint256 _2019TokenId,
        uint256 indexed _2019TokenNumber,
        uint256 _wrappedTokenId
    );

    /// @notice Initialize connections to external contracts and set the contract metadata
    /// @param _dadaCollectibleAddress Address of 2017 ERC20
    /// @param _dadaNftAddress Address of 2019 ERC721
    /// @param baseURI_ Prefix for all metadata storage
    /// @param _contractURI Location of metadata.json
    constructor(
        address _dadaCollectibleAddress,
        address _dadaNftAddress,
        string memory baseURI_,
        string memory _contractURI
    ) ERC721("Wrapped Historic DADA", "w\xC6\x89") {
        dadaCollectible = IDadaCollectible(_dadaCollectibleAddress); /*Set interface to 2017 contract*/
        dadaNft = IDada721(_dadaNftAddress); /*Set interface to 2019 contract*/
        _baseTokenURI = baseURI_; /*Set initial base URI*/
        contractURI = _contractURI; /*Set initial contract URI*/
    }

    /*****************
    Public wrapping and unwrapping
    *****************/
    /// @notice Transfer a 2017 ERC20 to this contract and receive an NFT in return
    /// @dev Must call `offerCollectibleForSaleToAddress` with a 0 value purchase price offered to this contract address
    /// @param _2017DrawingId 2017 ERC20 drawing ID
    /// @param _2017PrintIndex 2017 ERC20 print index
    function wrap2017(uint256 _2017DrawingId, uint256 _2017PrintIndex) public {
        require(
            dadaCollectible.DrawingPrintToAddress(_2017PrintIndex) == msg.sender,
            "!owner"
        ); /* Ensure sender owns the token they are trying to wrap*/

        (, , , , , , uint256 _lastSalePrice) = dadaCollectible.OfferedForSale(
            _2017PrintIndex
        );

        dadaCollectible.buyCollectible(_2017DrawingId, _2017PrintIndex); /*Transfer the ERC20 into this contract*/

        require(
            dadaCollectible.DrawingPrintToAddress(_2017PrintIndex) == address(this),
            "transfer failed"
        ); /*Ensure transfer succeeded*/

        dadaCollectible.makeCollectibleUnavailableToSale(
            msg.sender,
            _2017DrawingId,
            _2017PrintIndex,
            _lastSalePrice
        ); /*Overwrite the 0 price with last sale value*/

        uint256 _wrappedTokenId = get2017TokenId(_2017DrawingId, _2017PrintIndex); /*Calculate new token ID*/

        _mint(msg.sender, _wrappedTokenId); /*Mint newly wrapped token to sender*/
        emit Wrapped2017(_2017DrawingId, _2017PrintIndex, _wrappedTokenId);
    }

    /// @notice Transfer a wrapped 2017 ERC20 and receive the original ERC20 out
    /// @dev Burns the wrapped token, but it can be minted again if the same token is wrapped
    /// @param _2017DrawingId 2017 ERC20 drawing ID
    /// @param _2017PrintIndex 2017 ERC20 print index
    function unwrap2017(uint256 _2017DrawingId, uint256 _2017PrintIndex) public {
        uint256 _wrappedTokenId = get2017TokenId(_2017DrawingId, _2017PrintIndex); /*Encode drawing and print into token ID*/
        require(ownerOf(_wrappedTokenId) == msg.sender, "!owner"); /*Ensure sender owns the NFT they want to unwrap*/
        _burn(_wrappedTokenId); /*Send token to 0 address - can be re-minted later if re-wrapped*/

        bool success = dadaCollectible.transfer(
            msg.sender,
            _2017DrawingId,
            _2017PrintIndex
        ); /*Send the original token to sender*/

        require(success, "transfer failed"); /*Ensure transfer was successful*/
        emit Unwrapped2017(_2017DrawingId, _2017PrintIndex, _wrappedTokenId);
    }

    /// @notice Transfer a 2019 ERC721 to this contract and receive an NFT in return
    /// @dev Must call approve on this contract for specified token ID
    /// @param _2019TokenNumber 2019 ERC721 token ID
    function wrap2019(uint256 _2019TokenNumber) public {
        require(dadaNft.ownerOf(_2019TokenNumber) == msg.sender, "!owner"); /* Ensure sender owns the token they are trying to wrap*/

        dadaNft.transferFrom(msg.sender, address(this), _2019TokenNumber); /*Transfer ERC721 into this contract*/
        require(dadaNft.ownerOf(_2019TokenNumber) == address(this), "transfer failed"); /*Ensure transfer was successful*/

        (uint256 _2019TokenId, , , , , , , , , ) = dadaNft.collectibleInfo(_2019TokenNumber); /*Fetch unique item ID to identify this drawing*/

        uint256 _wrappedTokenId = get2019TokenId(_2019TokenId, _2019TokenNumber); /*Encode item and token into new token ID*/

        _mint(msg.sender, _wrappedTokenId); /*Mint newly wrapped token to sender*/
        emit Wrapped2019(_2019TokenId, _2019TokenNumber, _wrappedTokenId);
    }

    /// @notice Transfer a wrapped 2019 ERC721 and receive the original ERC721 out
    /// @dev Burns the wrapped token, but it can be minted again if the same token is wrapped
    /// @param _2019TokenNumber 2019 ERC721 token ID
    function unwrap2019(uint256 _2019TokenNumber) public {
        (uint256 _2019TokenId, , , , , , , , , ) = dadaNft.collectibleInfo(_2019TokenNumber); /*Fetch unique item ID to identify this drawing*/
        uint256 _wrappedTokenId = get2019TokenId(_2019TokenId, _2019TokenNumber); /*Encode item and token into new token ID*/
        require(ownerOf(_wrappedTokenId) == msg.sender, "!owner"); /*Ensure sender owns the "NFT they want to unwrap*/

        _burn(_wrappedTokenId); /*Send token to 0 address - can be re-minted later if re-wrapped*/

        dadaNft.transferFrom(address(this), msg.sender, _2019TokenNumber); /*Send original token to sender*/

        require(dadaNft.ownerOf(_2019TokenNumber) == msg.sender, "transfer failed"); /*Ensure transfer succeeded - failure condition should be unreachable*/

        emit Unwrapped2019(_2019TokenId, _2019TokenNumber, _wrappedTokenId);
    }

    /*****************
    Helpers
    *****************/
    /// @notice Internal helper to get base URI and conform to spec
    function _baseURI() internal view virtual override returns (string memory) {
        return _baseTokenURI;
    }

    /// @notice Helper to encode the wrapped 2017 token ID
    function get2017TokenId(uint256 _2017DrawingId, uint256 _2017PrintIndex)
        public
        pure
        returns (uint256)
    {
        return PREFIX_2017 + (_2017DrawingId * DRAWING_ASSET_ID_MUL) + _2017PrintIndex;
    }

    /// @notice Helper to encode the wrapped 2019 token ID
    function get2019TokenId(uint256 _2019TokenId, uint256 _2019TokenNumber)
        public
        pure
        returns (uint256)
    {
        return PREFIX_2019 + (_2019TokenId * DRAWING_ASSET_ID_MUL) + _2019TokenNumber;
    }

    /*****************
    External interfaces
    *****************/
    /// @notice Public way to view the metadata for any token
    function tokenURI(uint256 tokenId)
        public
        view
        virtual
        override
        returns (string memory)
    {
        require(
            _exists(tokenId),
            "ERC721Metadata: URI query for nonexistent token"
        );

        string memory baseURI = _baseURI();
        return
            bytes(baseURI).length > 0
                ? string(abi.encodePacked(baseURI, tokenId.toString(), ".json"))
                : "";
    }

    /*****************
    Admin configs
    *****************/
    /// @notice Set new base URI
    /// @param baseURI_ URI prefix for tokens
    function setBaseURI(string memory baseURI_) public onlyOwner {
        _baseTokenURI = baseURI_;
    }

    /// @notice Set new contract URI
    /// @param _contractURI Contract metadata json
    function setContractURI(string memory _contractURI) external onlyOwner {
        contractURI = _contractURI;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/ERC721.sol)

pragma solidity ^0.8.0;

import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to owner address
    mapping(uint256 => address) private _owners;

    // Mapping owner address to token count
    mapping(address => uint256) private _balances;

    // Mapping from token ID to approved address
    mapping(uint256 => address) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    /**
     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: balance query for the zero address");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _owners[tokenId];
        require(owner != address(0), "ERC721: owner query for nonexistent token");
        return owner;
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

        string memory baseURI = _baseURI();
        return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, can be overriden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return "";
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not owner nor approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _transfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, "");
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransfer(from, to, tokenId, _data);
    }

    /**
     * @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.
     *
     * `_data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     * and stop existing when they are burned (`_burn`).
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return _owners[tokenId] != address(0);
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal virtual {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _mint(to, tokenId);
        require(
            _checkOnERC721Received(address(0), to, tokenId, _data),
            "ERC721: transfer to non ERC721Receiver implementer"
        );
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal virtual {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

        _beforeTokenTransfer(address(0), to, tokenId);

        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(address(0), to, tokenId);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId);

        // Clear approvals
        _approve(address(0), tokenId);

        _balances[owner] -= 1;
        delete _owners[tokenId];

        emit Transfer(owner, address(0), tokenId);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId);

        _balances[from] -= 1;
        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Emits a {ApprovalForAll} event.
     */
    function _setApprovalForAll(
        address owner,
        address operator,
        bool approved
    ) internal virtual {
        require(owner != operator, "ERC721: approve to caller");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        if (to.isContract()) {
            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                return retval == IERC721Receiver.onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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 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 v4.4.0 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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`, 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 be 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: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * 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 Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @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 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);

    /**
     * @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;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

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

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Address.sol)

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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 v4.4.0 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_dadaCollectibleAddress","type":"address"},{"internalType":"address","name":"_dadaNftAddress","type":"address"},{"internalType":"string","name":"baseURI_","type":"string"},{"internalType":"string","name":"_contractURI","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"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":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_2017DrawingId","type":"uint256"},{"indexed":true,"internalType":"uint256","name":"_2017PrintIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_wrappedTokenId","type":"uint256"}],"name":"Unwrapped2017","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_2019TokenId","type":"uint256"},{"indexed":true,"internalType":"uint256","name":"_2019TokenNumber","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_wrappedTokenId","type":"uint256"}],"name":"Unwrapped2019","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_2017DrawingId","type":"uint256"},{"indexed":true,"internalType":"uint256","name":"_2017PrintIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_wrappedTokenId","type":"uint256"}],"name":"Wrapped2017","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_2019TokenId","type":"uint256"},{"indexed":true,"internalType":"uint256","name":"_2019TokenNumber","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_wrappedTokenId","type":"uint256"}],"name":"Wrapped2019","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_2017DrawingId","type":"uint256"},{"internalType":"uint256","name":"_2017PrintIndex","type":"uint256"}],"name":"get2017TokenId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"_2019TokenId","type":"uint256"},{"internalType":"uint256","name":"_2019TokenNumber","type":"uint256"}],"name":"get2019TokenId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_contractURI","type":"string"}],"name":"setContractURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_2017DrawingId","type":"uint256"},{"internalType":"uint256","name":"_2017PrintIndex","type":"uint256"}],"name":"unwrap2017","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_2019TokenNumber","type":"uint256"}],"name":"unwrap2019","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_2017DrawingId","type":"uint256"},{"internalType":"uint256","name":"_2017PrintIndex","type":"uint256"}],"name":"wrap2017","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_2019TokenNumber","type":"uint256"}],"name":"wrap2019","outputs":[],"stateMutability":"nonpayable","type":"function"}]

60806040523480156200001157600080fd5b506040516200289138038062002891833981016040819052620000349162000313565b604080518082018252601581527f5772617070656420486973746f7269632044414441000000000000000000000060208083019182528351808501909452600384526277c68960e81b908401528151919291620000949160009162000183565b508051620000aa90600190602084019062000183565b505050620000c7620000c16200012d60201b60201c565b62000131565b600780546001600160a01b038087166001600160a01b031992831617909255600880549286169290911691909117905581516200010c90600990602085019062000183565b5080516200012290600a90602084019062000183565b5050505050620003e0565b3390565b600680546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b8280546200019190620003a3565b90600052602060002090601f016020900481019282620001b5576000855562000200565b82601f10620001d057805160ff191683800117855562000200565b8280016001018555821562000200579182015b8281111562000200578251825591602001919060010190620001e3565b506200020e92915062000212565b5090565b5b808211156200020e576000815560010162000213565b80516001600160a01b03811681146200024157600080fd5b919050565b634e487b7160e01b600052604160045260246000fd5b600082601f8301126200026e57600080fd5b81516001600160401b03808211156200028b576200028b62000246565b604051601f8301601f19908116603f01168101908282118183101715620002b657620002b662000246565b81604052838152602092508683858801011115620002d357600080fd5b600091505b83821015620002f75785820183015181830184015290820190620002d8565b83821115620003095760008385830101525b9695505050505050565b600080600080608085870312156200032a57600080fd5b620003358562000229565b9350620003456020860162000229565b60408601519093506001600160401b03808211156200036357600080fd5b62000371888389016200025c565b935060608701519150808211156200038857600080fd5b5062000397878288016200025c565b91505092959194509250565b600181811c90821680620003b857607f821691505b60208210811415620003da57634e487b7160e01b600052602260045260246000fd5b50919050565b6124a180620003f06000396000f3fe608060405234801561001057600080fd5b50600436106101735760003560e01c806365d98a42116100de578063a22cb46511610097578063e8a3d48511610071578063e8a3d4851461032e578063e985e9c514610336578063f08ab4b514610372578063f2fde38b1461038557600080fd5b8063a22cb465146102f5578063b88d4fde14610308578063c87b56dd1461031b57600080fd5b806365d98a421461029b57806370a08231146102ae578063715018a6146102c15780638da5cb5b146102c9578063938e3d7b146102da57806395d89b41146102ed57600080fd5b806323b872dd1161013057806323b872dd1461022957806328d8e8821461023c57806342842e0e1461024f5780634837d67b1461026257806355f804b3146102755780636352211e1461028857600080fd5b806301ffc9a71461017857806306fdde03146101a0578063081812fc146101b5578063095ea7b3146101e057806312a9c7b3146101f557806323a8be1614610216575b600080fd5b61018b610186366004611caf565b610398565b60405190151581526020015b60405180910390f35b6101a86103ea565b6040516101979190611d24565b6101c86101c3366004611d37565b61047c565b6040516001600160a01b039091168152602001610197565b6101f36101ee366004611d65565b610516565b005b610208610203366004611d91565b61062c565b604051908152602001610197565b6101f3610224366004611d37565b61065d565b6101f3610237366004611db3565b6108f2565b6101f361024a366004611d91565b610923565b6101f361025d366004611db3565b610a57565b610208610270366004611d91565b610a72565b6101f3610283366004611ea1565b610a92565b6101c8610296366004611d37565b610ad3565b6101f36102a9366004611d91565b610b4a565b6102086102bc366004611eea565b610e48565b6101f3610ecf565b6006546001600160a01b03166101c8565b6101f36102e8366004611ea1565b610f05565b6101a8610f42565b6101f3610303366004611f15565b610f51565b6101f3610316366004611f4e565b610f5c565b6101a8610329366004611d37565b610f94565b6101a861106e565b61018b610344366004611fce565b6001600160a01b03918216600090815260056020908152604080832093909416825291909152205460ff1690565b6101f3610380366004611d37565b6110fc565b6101f3610393366004611eea565b611315565b60006001600160e01b031982166380ac58cd60e01b14806103c957506001600160e01b03198216635b5e139f60e01b145b806103e457506301ffc9a760e01b6001600160e01b03198316145b92915050565b6060600080546103f990611ffc565b80601f016020809104026020016040519081016040528092919081815260200182805461042590611ffc565b80156104725780601f1061044757610100808354040283529160200191610472565b820191906000526020600020905b81548152906001019060200180831161045557829003601f168201915b5050505050905090565b6000818152600260205260408120546001600160a01b03166104fa5760405162461bcd60e51b815260206004820152602c60248201527f4552433732313a20617070726f76656420717565727920666f72206e6f6e657860448201526b34b9ba32b73a103a37b5b2b760a11b60648201526084015b60405180910390fd5b506000908152600460205260409020546001600160a01b031690565b600061052182610ad3565b9050806001600160a01b0316836001600160a01b0316141561058f5760405162461bcd60e51b815260206004820152602160248201527f4552433732313a20617070726f76616c20746f2063757272656e74206f776e656044820152603960f91b60648201526084016104f1565b336001600160a01b03821614806105ab57506105ab8133610344565b61061d5760405162461bcd60e51b815260206004820152603860248201527f4552433732313a20617070726f76652063616c6c6572206973206e6f74206f7760448201527f6e6572206e6f7220617070726f76656420666f7220616c6c000000000000000060648201526084016104f1565b61062783836113b0565b505050565b60008161063c620186a08561204d565b61064c9065125cd9c72c0061206c565b610656919061206c565b9392505050565b6008546040516331a9108f60e11b81526004810183905233916001600160a01b031690636352211e9060240160206040518083038186803b1580156106a157600080fd5b505afa1580156106b5573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906106d99190612084565b6001600160a01b0316146106ff5760405162461bcd60e51b81526004016104f1906120a1565b6008546040516323b872dd60e01b8152336004820152306024820152604481018390526001600160a01b03909116906323b872dd90606401600060405180830381600087803b15801561075157600080fd5b505af1158015610765573d6000803e3d6000fd5b50506008546040516331a9108f60e11b8152600481018590523093506001600160a01b039091169150636352211e9060240160206040518083038186803b1580156107af57600080fd5b505afa1580156107c3573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906107e79190612084565b6001600160a01b03161461080d5760405162461bcd60e51b81526004016104f1906120c1565b600854604051634e57770760e11b8152600481018390526000916001600160a01b031690639caeee0e9060240160006040518083038186803b15801561085257600080fd5b505afa158015610866573d6000803e3d6000fd5b505050506040513d6000823e601f3d908101601f1916820160405261088e919081019061212f565b505050505050505050905060006108a5828461062c565b90506108b1338261141e565b604080518381526020810183905284917f1e8575789ae4c3935bdc130601f8319883461259652fd3df2d647029dd76daca91015b60405180910390a2505050565b6108fc3382611560565b6109185760405162461bcd60e51b81526004016104f1906121e2565b610627838383611657565b600061092f8383610a72565b90503361093b82610ad3565b6001600160a01b0316146109615760405162461bcd60e51b81526004016104f1906120a1565b61096a816117f7565b6007546040516304ade6db60e11b815233600482015260248101859052604481018490526000916001600160a01b03169063095bcdb690606401602060405180830381600087803b1580156109be57600080fd5b505af11580156109d2573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906109f69190612233565b905080610a155760405162461bcd60e51b81526004016104f1906120c1565b604080518581526020810184905284917f9b15dcab1ed19d7b78a16b8a9dfcf79ef13623e2248115dc25e5bf7a2dbeba2d91015b60405180910390a250505050565b61062783838360405180602001604052806000815250610f5c565b600081610a82620186a08561204d565b61064c9065125831af640061206c565b6006546001600160a01b03163314610abc5760405162461bcd60e51b81526004016104f190612250565b8051610acf906009906020840190611c00565b5050565b6000818152600260205260408120546001600160a01b0316806103e45760405162461bcd60e51b815260206004820152602960248201527f4552433732313a206f776e657220717565727920666f72206e6f6e657869737460448201526832b73a103a37b5b2b760b91b60648201526084016104f1565b600754604051635dc774d760e01b81526004810183905233916001600160a01b031690635dc774d790602401602060405180830381600087803b158015610b9057600080fd5b505af1158015610ba4573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610bc89190612084565b6001600160a01b031614610bee5760405162461bcd60e51b81526004016104f1906120a1565b60075460405163153d59d760e21b8152600481018390526000916001600160a01b0316906354f5675c9060240160e060405180830381600087803b158015610c3557600080fd5b505af1158015610c49573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610c6d9190612285565b600754604051632767dd7d60e01b8152600481018c9052602481018b90529198506001600160a01b03169650632767dd7d95506044019350610cae92505050565b600060405180830381600087803b158015610cc857600080fd5b505af1158015610cdc573d6000803e3d6000fd5b5050600754604051635dc774d760e01b8152600481018690523093506001600160a01b039091169150635dc774d790602401602060405180830381600087803b158015610d2857600080fd5b505af1158015610d3c573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610d609190612084565b6001600160a01b031614610d865760405162461bcd60e51b81526004016104f1906120c1565b600754604051630fb5cc6f60e21b81523360048201526024810185905260448101849052606481018390526001600160a01b0390911690633ed731bc90608401600060405180830381600087803b158015610de057600080fd5b505af1158015610df4573d6000803e3d6000fd5b505050506000610e048484610a72565b9050610e10338261141e565b604080518581526020810183905284917f1ca57ba1071f9a3c58f54896ce23976bc851539695fead2950221c6a0179d4879101610a49565b60006001600160a01b038216610eb35760405162461bcd60e51b815260206004820152602a60248201527f4552433732313a2062616c616e636520717565727920666f7220746865207a65604482015269726f206164647265737360b01b60648201526084016104f1565b506001600160a01b031660009081526003602052604090205490565b6006546001600160a01b03163314610ef95760405162461bcd60e51b81526004016104f190612250565b610f036000611892565b565b6006546001600160a01b03163314610f2f5760405162461bcd60e51b81526004016104f190612250565b8051610acf90600a906020840190611c00565b6060600180546103f990611ffc565b610acf3383836118e4565b610f663383611560565b610f825760405162461bcd60e51b81526004016104f1906121e2565b610f8e848484846119b3565b50505050565b6000818152600260205260409020546060906001600160a01b03166110135760405162461bcd60e51b815260206004820152602f60248201527f4552433732314d657461646174613a2055524920717565727920666f72206e6f60448201526e3732bc34b9ba32b73a103a37b5b2b760891b60648201526084016104f1565b600061101d6119e6565b9050600081511161103d5760405180602001604052806000815250610656565b80611047846119f5565b6040516020016110589291906122fa565b6040516020818303038152906040529392505050565b600a805461107b90611ffc565b80601f01602080910402602001604051908101604052809291908181526020018280546110a790611ffc565b80156110f45780601f106110c9576101008083540402835291602001916110f4565b820191906000526020600020905b8154815290600101906020018083116110d757829003601f168201915b505050505081565b600854604051634e57770760e11b8152600481018390526000916001600160a01b031690639caeee0e9060240160006040518083038186803b15801561114157600080fd5b505afa158015611155573d6000803e3d6000fd5b505050506040513d6000823e601f3d908101601f1916820160405261117d919081019061212f565b50505050505050505090506000611194828461062c565b9050336111a082610ad3565b6001600160a01b0316146111c65760405162461bcd60e51b81526004016104f1906120a1565b6111cf816117f7565b6008546040516323b872dd60e01b8152306004820152336024820152604481018590526001600160a01b03909116906323b872dd90606401600060405180830381600087803b15801561122157600080fd5b505af1158015611235573d6000803e3d6000fd5b50506008546040516331a9108f60e11b8152600481018790523393506001600160a01b039091169150636352211e9060240160206040518083038186803b15801561127f57600080fd5b505afa158015611293573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906112b79190612084565b6001600160a01b0316146112dd5760405162461bcd60e51b81526004016104f1906120c1565b604080518381526020810183905284917f6f5b0e02153059a58c009e2048e6c9c36e1163f8e5c654ca84d95407c20f0ab791016108e5565b6006546001600160a01b0316331461133f5760405162461bcd60e51b81526004016104f190612250565b6001600160a01b0381166113a45760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201526564647265737360d01b60648201526084016104f1565b6113ad81611892565b50565b600081815260046020526040902080546001600160a01b0319166001600160a01b03841690811790915581906113e582610ad3565b6001600160a01b03167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92560405160405180910390a45050565b6001600160a01b0382166114745760405162461bcd60e51b815260206004820181905260248201527f4552433732313a206d696e7420746f20746865207a65726f206164647265737360448201526064016104f1565b6000818152600260205260409020546001600160a01b0316156114d95760405162461bcd60e51b815260206004820152601c60248201527f4552433732313a20746f6b656e20616c7265616479206d696e7465640000000060448201526064016104f1565b6001600160a01b038216600090815260036020526040812080546001929061150290849061206c565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b03861690811790915590518392907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908290a45050565b6000818152600260205260408120546001600160a01b03166115d95760405162461bcd60e51b815260206004820152602c60248201527f4552433732313a206f70657261746f7220717565727920666f72206e6f6e657860448201526b34b9ba32b73a103a37b5b2b760a11b60648201526084016104f1565b60006115e483610ad3565b9050806001600160a01b0316846001600160a01b0316148061161f5750836001600160a01b03166116148461047c565b6001600160a01b0316145b8061164f57506001600160a01b0380821660009081526005602090815260408083209388168352929052205460ff165b949350505050565b826001600160a01b031661166a82610ad3565b6001600160a01b0316146116d25760405162461bcd60e51b815260206004820152602960248201527f4552433732313a207472616e73666572206f6620746f6b656e2074686174206960448201526839903737ba1037bbb760b91b60648201526084016104f1565b6001600160a01b0382166117345760405162461bcd60e51b8152602060048201526024808201527f4552433732313a207472616e7366657220746f20746865207a65726f206164646044820152637265737360e01b60648201526084016104f1565b61173f6000826113b0565b6001600160a01b0383166000908152600360205260408120805460019290611768908490612339565b90915550506001600160a01b038216600090815260036020526040812080546001929061179690849061206c565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b0386811691821790925591518493918716917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef91a4505050565b600061180282610ad3565b905061180f6000836113b0565b6001600160a01b0381166000908152600360205260408120805460019290611838908490612339565b909155505060008281526002602052604080822080546001600160a01b0319169055518391906001600160a01b038416907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908390a45050565b600680546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b816001600160a01b0316836001600160a01b031614156119465760405162461bcd60e51b815260206004820152601960248201527f4552433732313a20617070726f766520746f2063616c6c65720000000000000060448201526064016104f1565b6001600160a01b03838116600081815260056020908152604080832094871680845294825291829020805460ff191686151590811790915591519182527f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a3505050565b6119be848484611657565b6119ca84848484611af3565b610f8e5760405162461bcd60e51b81526004016104f190612350565b6060600980546103f990611ffc565b606081611a195750506040805180820190915260018152600360fc1b602082015290565b8160005b8115611a435780611a2d816123a2565b9150611a3c9050600a836123d3565b9150611a1d565b60008167ffffffffffffffff811115611a5e57611a5e611df4565b6040519080825280601f01601f191660200182016040528015611a88576020820181803683370190505b5090505b841561164f57611a9d600183612339565b9150611aaa600a866123e7565b611ab590603061206c565b60f81b818381518110611aca57611aca6123fb565b60200101906001600160f81b031916908160001a905350611aec600a866123d3565b9450611a8c565b60006001600160a01b0384163b15611bf557604051630a85bd0160e11b81526001600160a01b0385169063150b7a0290611b37903390899088908890600401612411565b602060405180830381600087803b158015611b5157600080fd5b505af1925050508015611b81575060408051601f3d908101601f19168201909252611b7e9181019061244e565b60015b611bdb573d808015611baf576040519150601f19603f3d011682016040523d82523d6000602084013e611bb4565b606091505b508051611bd35760405162461bcd60e51b81526004016104f190612350565b805181602001fd5b6001600160e01b031916630a85bd0160e11b14905061164f565b506001949350505050565b828054611c0c90611ffc565b90600052602060002090601f016020900481019282611c2e5760008555611c74565b82601f10611c4757805160ff1916838001178555611c74565b82800160010185558215611c74579182015b82811115611c74578251825591602001919060010190611c59565b50611c80929150611c84565b5090565b5b80821115611c805760008155600101611c85565b6001600160e01b0319811681146113ad57600080fd5b600060208284031215611cc157600080fd5b813561065681611c99565b60005b83811015611ce7578181015183820152602001611ccf565b83811115610f8e5750506000910152565b60008151808452611d10816020860160208601611ccc565b601f01601f19169290920160200192915050565b6020815260006106566020830184611cf8565b600060208284031215611d4957600080fd5b5035919050565b6001600160a01b03811681146113ad57600080fd5b60008060408385031215611d7857600080fd5b8235611d8381611d50565b946020939093013593505050565b60008060408385031215611da457600080fd5b50508035926020909101359150565b600080600060608486031215611dc857600080fd5b8335611dd381611d50565b92506020840135611de381611d50565b929592945050506040919091013590565b634e487b7160e01b600052604160045260246000fd5b604051601f8201601f1916810167ffffffffffffffff81118282101715611e3357611e33611df4565b604052919050565b600067ffffffffffffffff821115611e5557611e55611df4565b50601f01601f191660200190565b6000611e76611e7184611e3b565b611e0a565b9050828152838383011115611e8a57600080fd5b828260208301376000602084830101529392505050565b600060208284031215611eb357600080fd5b813567ffffffffffffffff811115611eca57600080fd5b8201601f81018413611edb57600080fd5b61164f84823560208401611e63565b600060208284031215611efc57600080fd5b813561065681611d50565b80151581146113ad57600080fd5b60008060408385031215611f2857600080fd5b8235611f3381611d50565b91506020830135611f4381611f07565b809150509250929050565b60008060008060808587031215611f6457600080fd5b8435611f6f81611d50565b93506020850135611f7f81611d50565b925060408501359150606085013567ffffffffffffffff811115611fa257600080fd5b8501601f81018713611fb357600080fd5b611fc287823560208401611e63565b91505092959194509250565b60008060408385031215611fe157600080fd5b8235611fec81611d50565b91506020830135611f4381611d50565b600181811c9082168061201057607f821691505b6020821081141561203157634e487b7160e01b600052602260045260246000fd5b50919050565b634e487b7160e01b600052601160045260246000fd5b600081600019048311821515161561206757612067612037565b500290565b6000821982111561207f5761207f612037565b500190565b60006020828403121561209657600080fd5b815161065681611d50565b60208082526006908201526510b7bbb732b960d11b604082015260600190565b6020808252600f908201526e1d1c985b9cd9995c8819985a5b1959608a1b604082015260600190565b600082601f8301126120fb57600080fd5b8151612109611e7182611e3b565b81815284602083860101111561211e57600080fd5b61164f826020830160208701611ccc565b6000806000806000806000806000806101408b8d03121561214f57600080fd5b8a51995060208b0151985060408b0151975060608b0151965060808b0151955060a08b0151945060c08b0151935060e08b015192506101008b015167ffffffffffffffff808211156121a057600080fd5b6121ac8e838f016120ea565b93506101208d01519150808211156121c357600080fd5b506121d08d828e016120ea565b9150509295989b9194979a5092959850565b60208082526031908201527f4552433732313a207472616e736665722063616c6c6572206973206e6f74206f6040820152701ddb995c881b9bdc88185c1c1c9bdd9959607a1b606082015260800190565b60006020828403121561224557600080fd5b815161065681611f07565b6020808252818101527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604082015260600190565b600080600080600080600060e0888a0312156122a057600080fd5b87516122ab81611f07565b80975050602088015195506040880151945060608801516122cb81611d50565b608089015160a08a015191955093506122e381611d50565b8092505060c0880151905092959891949750929550565b6000835161230c818460208801611ccc565b835190830190612320818360208801611ccc565b64173539b7b760d91b9101908152600501949350505050565b60008282101561234b5761234b612037565b500390565b60208082526032908201527f4552433732313a207472616e7366657220746f206e6f6e20455243373231526560408201527131b2b4bb32b91034b6b83632b6b2b73a32b960711b606082015260800190565b60006000198214156123b6576123b6612037565b5060010190565b634e487b7160e01b600052601260045260246000fd5b6000826123e2576123e26123bd565b500490565b6000826123f6576123f66123bd565b500690565b634e487b7160e01b600052603260045260246000fd5b6001600160a01b038581168252841660208201526040810183905260806060820181905260009061244490830184611cf8565b9695505050505050565b60006020828403121561246057600080fd5b815161065681611c9956fea2646970667358221220378fad8963e21e73006f9590fdbe634ef56d4d8483bac5958acf4030b4932e3464736f6c63430008090033000000000000000000000000068696a3cf3c4676b65f1c9975dd094260109d0200000000000000000000000034d77a17038491a2a9eaa6e690b7c7cd39fc8392000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000002e68747470733a2f2f646164612d6d657461646174612e73332e616d617a6f6e6177732e636f6d2f746f6b656e732f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003468747470733a2f2f646164612d6d657461646174612e73332e616d617a6f6e6177732e636f6d2f636f6e74726163742e6a736f6e000000000000000000000000

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

-----Decoded View---------------
Arg [0] : _dadaCollectibleAddress (address): 0x068696A3cf3c4676B65F1c9975dd094260109d02
Arg [1] : _dadaNftAddress (address): 0x34d77a17038491A2a9Eaa6E690B7C7CD39FC8392
Arg [2] : baseURI_ (string): https://dada-metadata.s3.amazonaws.com/tokens/
Arg [3] : _contractURI (string): https://dada-metadata.s3.amazonaws.com/contract.json

-----Encoded View---------------
10 Constructor Arguments found :
Arg [0] : 000000000000000000000000068696a3cf3c4676b65f1c9975dd094260109d02
Arg [1] : 00000000000000000000000034d77a17038491a2a9eaa6e690b7c7cd39fc8392
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [4] : 000000000000000000000000000000000000000000000000000000000000002e
Arg [5] : 68747470733a2f2f646164612d6d657461646174612e73332e616d617a6f6e61
Arg [6] : 77732e636f6d2f746f6b656e732f000000000000000000000000000000000000
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000034
Arg [8] : 68747470733a2f2f646164612d6d657461646174612e73332e616d617a6f6e61
Arg [9] : 77732e636f6d2f636f6e74726163742e6a736f6e000000000000000000000000