ETH Price: $1,852.13 (-0.29%)
Gas: 0.07 Gwei

Transaction Decoder

Block:
14964730 at Jun-15-2022 12:47:18 AM +UTC
Transaction Fee:
0.002992031311303528 ETH $5.54
Gas Used:
112,801 Gas / 26.524865128 Gwei

Emitted Events:

Account State Difference:

  Address   Before After State Difference Code
0x5e5DedFB...1422Bb3b7
0xB8629254...9C97903b8
0.605220050778868791 Eth
Nonce: 77
0.602228019467565263 Eth
Nonce: 78
0.002992031311303528
0xE9FCa552...5F71F5644
(Ethermine)
2,550.6517136798332901 Eth2,550.6518828813332901 Eth0.0001692015

Execution Trace

NightCard.mint( )
  • 0x5e5dedfb96859c669d255061e0254231422bb3b7.4f4a5f85( )
    // SPDX-License-Identifier: MIT
    /*
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@                                               @@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@                                                   @@@@@@@@@@@@@@@@@@@@@
    @@@@@                                                     @@@@@@@@@@@@@@@@@@@@@@
    @@@   ,@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@          @@@@@@@@@@@@@@@@@@@@@@@
    @#@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@     @@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@  @@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@             @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@             @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@             @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@            @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@             @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@            @@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@             @@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@            @@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@             @@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@            @@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@             @@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@            @@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@             @@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@             @@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@               @@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    */
    pragma solidity ^0.8.4;
    import "@openzeppelin/contracts/access/Ownable.sol";
    import "erc721a/contracts/ERC721A.sol";
    import "./mint/IRebelsMintAuthorizer.sol";
    import "./render/IRebelsRenderer.sol";
    abstract contract RevealInterface {
      function mint(address to, uint256[] calldata tokenIDs) external virtual;
    }
    contract NightCard is ERC721A, Ownable {
      uint256 immutable public maxSupply;
      address public rendererAddress;
      address public mintAuthorizerAddress;
      address public revealContractAddress;
      string public contractURI;
      uint256 private _numAvailableTokens;
      mapping(uint256 => uint256) private _availableTokens;
      constructor(
        string memory name_,
        string memory symbol_,
        uint256 maxSupply_
      ) ERC721A(name_, symbol_) {
        maxSupply = maxSupply_;
        _numAvailableTokens = maxSupply_;
      }
      function tokenURI(uint256 id) public view override returns (string memory) {
        require(rendererAddress != address(0), "Renderer address unset");
        require(_exists(id), "URI query for nonexistent token");
        IRebelsRenderer renderer = IRebelsRenderer(rendererAddress);
        return renderer.tokenURI(id);
      }
      function mint(uint256 number, bytes32[] calldata proof) external payable {
        require(tx.origin == msg.sender, "Trying to mint from a contract");
        require(mintAuthorizerAddress != address(0), "Mint authorizer address unset");
        IRebelsMintAuthorizer mintAuthorizer = IRebelsMintAuthorizer(mintAuthorizerAddress);
        mintAuthorizer.authorizeMint(msg.sender, msg.value, number, proof);
        _mint(msg.sender, number);
        require(_totalMinted() <= maxSupply, "Trying to mint more than max supply");
      }
      function reveal(uint256[] calldata tokenIDs) external {
        require(tx.origin == msg.sender, "Trying to reveal from a contract");
        require(revealContractAddress != address(0), "Reveal contract address unset");
        uint256[] memory newTokenIDs = new uint256[](tokenIDs.length);
        for (uint256 i = 0; i < tokenIDs.length; ++i) {
          require(msg.sender == ownerOf(tokenIDs[i]), "Reveal from incorrect owner");
          _burn(tokenIDs[i]);
          newTokenIDs[i] = _getRandomAvailableTokenId();
          _numAvailableTokens -= 1;
        }
        RevealInterface revealContract = RevealInterface(revealContractAddress);
        revealContract.mint(msg.sender, newTokenIDs);
      }
      function setRendererAddress(address rendererAddress_) external onlyOwner {
        rendererAddress = rendererAddress_;
      }
      function setMintAuthorizerAddress(address mintAuthorizerAddress_) external onlyOwner {
        mintAuthorizerAddress = mintAuthorizerAddress_;
      }
      function setRevealContractAddress(address revealContractAddress_) external onlyOwner {
        revealContractAddress = revealContractAddress_;
      }
      function setContractURI(string memory contractURI_) external onlyOwner {
        contractURI = contractURI_;
      }
      function withdraw() external onlyOwner {
        uint256 balance = address(this).balance;
        payable(msg.sender).transfer(balance);
      }
      function _startTokenId() internal pure override returns (uint256) {
        // 1 -> 13370 looks better.
        return 1;
      }
      function _getRandomAvailableTokenId() private returns (uint256) {
        uint256 randomNum = uint256(keccak256(abi.encode(
            tx.origin, tx.gasprice, block.number, block.timestamp,
            block.difficulty, block.coinbase, blockhash(block.number - 1),
            address(this), _numAvailableTokens)));
        uint256 randomIndex = randomNum % _numAvailableTokens;
        return _getAvailableTokenAtIndex(randomIndex);
      }
      // Adapted from CryptoPhunksV2/ERC721R.
      function _getAvailableTokenAtIndex(uint256 indexToUse) private returns (uint256) {
        uint256 valAtIndex = _availableTokens[indexToUse];
        uint256 result;
        if (valAtIndex == 0) {
          // This means the index itself is still an available token.
          result = indexToUse;
        } else {
          // This means the index itself is not an available token, but the val at
          // that index is.
          result = valAtIndex;
        }
        uint256 lastIndex = _numAvailableTokens - 1;
        if (indexToUse != lastIndex) {
          // Replace the value at indexToUse, now that it's been used. Replace it
          // with the data from the last index in the array, since we are going to
          // decrease the array size afterwards.
          uint256 lastValInArray = _availableTokens[lastIndex];
          if (lastValInArray == 0) {
            // This means the index itself is still an available token.
            _availableTokens[indexToUse] = lastIndex;
          } else {
            // This means the index itself is not an available token, but the val
            // at that index is.
            _availableTokens[indexToUse] = lastValInArray;
            // Gas refund courtsey of @dievardump.
            delete _availableTokens[lastIndex];
          }
        }
        return result;
      }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
    pragma solidity ^0.8.0;
    import "../utils/Context.sol";
    /**
     * @dev Contract module which provides a basic access control mechanism, where
     * there is an account (an owner) that can be granted exclusive access to
     * specific functions.
     *
     * By default, the owner account will be the one that deploys the contract. This
     * can later be changed with {transferOwnership}.
     *
     * This module is used through inheritance. It will make available the modifier
     * `onlyOwner`, which can be applied to your functions to restrict their use to
     * the owner.
     */
    abstract contract Ownable is Context {
        address private _owner;
        event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
        /**
         * @dev Initializes the contract setting the deployer as the initial owner.
         */
        constructor() {
            _transferOwnership(_msgSender());
        }
        /**
         * @dev Returns the address of the current owner.
         */
        function owner() public view virtual returns (address) {
            return _owner;
        }
        /**
         * @dev Throws if called by any account other than the owner.
         */
        modifier onlyOwner() {
            require(owner() == _msgSender(), "Ownable: caller is not the owner");
            _;
        }
        /**
         * @dev Leaves the contract without owner. It will not be possible to call
         * `onlyOwner` functions anymore. Can only be called by the current owner.
         *
         * NOTE: Renouncing ownership will leave the contract without an owner,
         * thereby removing any functionality that is only available to the owner.
         */
        function renounceOwnership() public virtual onlyOwner {
            _transferOwnership(address(0));
        }
        /**
         * @dev Transfers ownership of the contract to a new account (`newOwner`).
         * Can only be called by the current owner.
         */
        function transferOwnership(address newOwner) public virtual onlyOwner {
            require(newOwner != address(0), "Ownable: new owner is the zero address");
            _transferOwnership(newOwner);
        }
        /**
         * @dev Transfers ownership of the contract to a new account (`newOwner`).
         * Internal function without access restriction.
         */
        function _transferOwnership(address newOwner) internal virtual {
            address oldOwner = _owner;
            _owner = newOwner;
            emit OwnershipTransferred(oldOwner, newOwner);
        }
    }
    // SPDX-License-Identifier: MIT
    // ERC721A Contracts v4.0.0
    // Creator: Chiru Labs
    pragma solidity ^0.8.4;
    import './IERC721A.sol';
    /**
     * @dev ERC721 token receiver interface.
     */
    interface ERC721A__IERC721Receiver {
        function onERC721Received(
            address operator,
            address from,
            uint256 tokenId,
            bytes calldata data
        ) external returns (bytes4);
    }
    /**
     * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
     * the Metadata extension. Built to optimize for lower gas during batch mints.
     *
     * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..).
     *
     * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
     *
     * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256).
     */
    contract ERC721A is IERC721A {
        // Mask of an entry in packed address data.
        uint256 private constant BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;
        // The bit position of `numberMinted` in packed address data.
        uint256 private constant BITPOS_NUMBER_MINTED = 64;
        // The bit position of `numberBurned` in packed address data.
        uint256 private constant BITPOS_NUMBER_BURNED = 128;
        // The bit position of `aux` in packed address data.
        uint256 private constant BITPOS_AUX = 192;
        // Mask of all 256 bits in packed address data except the 64 bits for `aux`.
        uint256 private constant BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;
        // The bit position of `startTimestamp` in packed ownership.
        uint256 private constant BITPOS_START_TIMESTAMP = 160;
        // The bit mask of the `burned` bit in packed ownership.
        uint256 private constant BITMASK_BURNED = 1 << 224;
        
        // The bit position of the `nextInitialized` bit in packed ownership.
        uint256 private constant BITPOS_NEXT_INITIALIZED = 225;
        // The bit mask of the `nextInitialized` bit in packed ownership.
        uint256 private constant BITMASK_NEXT_INITIALIZED = 1 << 225;
        // The tokenId of the next token to be minted.
        uint256 private _currentIndex;
        // The number of tokens burned.
        uint256 private _burnCounter;
        // Token name
        string private _name;
        // Token symbol
        string private _symbol;
        // Mapping from token ID to ownership details
        // An empty struct value does not necessarily mean the token is unowned.
        // See `_packedOwnershipOf` implementation for details.
        //
        // Bits Layout:
        // - [0..159]   `addr`
        // - [160..223] `startTimestamp`
        // - [224]      `burned`
        // - [225]      `nextInitialized`
        mapping(uint256 => uint256) private _packedOwnerships;
        // Mapping owner address to address data.
        //
        // Bits Layout:
        // - [0..63]    `balance`
        // - [64..127]  `numberMinted`
        // - [128..191] `numberBurned`
        // - [192..255] `aux`
        mapping(address => uint256) private _packedAddressData;
        // 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;
        constructor(string memory name_, string memory symbol_) {
            _name = name_;
            _symbol = symbol_;
            _currentIndex = _startTokenId();
        }
        /**
         * @dev Returns the starting token ID. 
         * To change the starting token ID, please override this function.
         */
        function _startTokenId() internal view virtual returns (uint256) {
            return 0;
        }
        /**
         * @dev Returns the next token ID to be minted.
         */
        function _nextTokenId() internal view returns (uint256) {
            return _currentIndex;
        }
        /**
         * @dev Returns the total number of tokens in existence.
         * Burned tokens will reduce the count. 
         * To get the total number of tokens minted, please see `_totalMinted`.
         */
        function totalSupply() public view override returns (uint256) {
            // Counter underflow is impossible as _burnCounter cannot be incremented
            // more than `_currentIndex - _startTokenId()` times.
            unchecked {
                return _currentIndex - _burnCounter - _startTokenId();
            }
        }
        /**
         * @dev Returns the total amount of tokens minted in the contract.
         */
        function _totalMinted() internal view returns (uint256) {
            // Counter underflow is impossible as _currentIndex does not decrement,
            // and it is initialized to `_startTokenId()`
            unchecked {
                return _currentIndex - _startTokenId();
            }
        }
        /**
         * @dev Returns the total number of tokens burned.
         */
        function _totalBurned() internal view returns (uint256) {
            return _burnCounter;
        }
        /**
         * @dev See {IERC165-supportsInterface}.
         */
        function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
            // The interface IDs are constants representing the first 4 bytes of the XOR of
            // all function selectors in the interface. See: https://eips.ethereum.org/EIPS/eip-165
            // e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`
            return
                interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.
                interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.
                interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
        }
        /**
         * @dev See {IERC721-balanceOf}.
         */
        function balanceOf(address owner) public view override returns (uint256) {
            if (owner == address(0)) revert BalanceQueryForZeroAddress();
            return _packedAddressData[owner] & BITMASK_ADDRESS_DATA_ENTRY;
        }
        /**
         * Returns the number of tokens minted by `owner`.
         */
        function _numberMinted(address owner) internal view returns (uint256) {
            return (_packedAddressData[owner] >> BITPOS_NUMBER_MINTED) & BITMASK_ADDRESS_DATA_ENTRY;
        }
        /**
         * Returns the number of tokens burned by or on behalf of `owner`.
         */
        function _numberBurned(address owner) internal view returns (uint256) {
            return (_packedAddressData[owner] >> BITPOS_NUMBER_BURNED) & BITMASK_ADDRESS_DATA_ENTRY;
        }
        /**
         * Returns the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
         */
        function _getAux(address owner) internal view returns (uint64) {
            return uint64(_packedAddressData[owner] >> BITPOS_AUX);
        }
        /**
         * Sets the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
         * If there are multiple variables, please pack them into a uint64.
         */
        function _setAux(address owner, uint64 aux) internal {
            uint256 packed = _packedAddressData[owner];
            uint256 auxCasted;
            assembly { // Cast aux without masking.
                auxCasted := aux
            }
            packed = (packed & BITMASK_AUX_COMPLEMENT) | (auxCasted << BITPOS_AUX);
            _packedAddressData[owner] = packed;
        }
        /**
         * Returns the packed ownership data of `tokenId`.
         */
        function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {
            uint256 curr = tokenId;
            unchecked {
                if (_startTokenId() <= curr)
                    if (curr < _currentIndex) {
                        uint256 packed = _packedOwnerships[curr];
                        // If not burned.
                        if (packed & BITMASK_BURNED == 0) {
                            // Invariant:
                            // There will always be an ownership that has an address and is not burned
                            // before an ownership that does not have an address and is not burned.
                            // Hence, curr will not underflow.
                            //
                            // We can directly compare the packed value.
                            // If the address is zero, packed is zero.
                            while (packed == 0) {
                                packed = _packedOwnerships[--curr];
                            }
                            return packed;
                        }
                    }
            }
            revert OwnerQueryForNonexistentToken();
        }
        /**
         * Returns the unpacked `TokenOwnership` struct from `packed`.
         */
        function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {
            ownership.addr = address(uint160(packed));
            ownership.startTimestamp = uint64(packed >> BITPOS_START_TIMESTAMP);
            ownership.burned = packed & BITMASK_BURNED != 0;
        }
        /**
         * Returns the unpacked `TokenOwnership` struct at `index`.
         */
        function _ownershipAt(uint256 index) internal view returns (TokenOwnership memory) {
            return _unpackedOwnership(_packedOwnerships[index]);
        }
        /**
         * @dev Initializes the ownership slot minted at `index` for efficiency purposes.
         */
        function _initializeOwnershipAt(uint256 index) internal {
            if (_packedOwnerships[index] == 0) {
                _packedOwnerships[index] = _packedOwnershipOf(index);
            }
        }
        /**
         * Gas spent here starts off proportional to the maximum mint batch size.
         * It gradually moves to O(1) as tokens get transferred around in the collection over time.
         */
        function _ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) {
            return _unpackedOwnership(_packedOwnershipOf(tokenId));
        }
        /**
         * @dev See {IERC721-ownerOf}.
         */
        function ownerOf(uint256 tokenId) public view override returns (address) {
            return address(uint160(_packedOwnershipOf(tokenId)));
        }
        /**
         * @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) {
            if (!_exists(tokenId)) revert URIQueryForNonexistentToken();
            string memory baseURI = _baseURI();
            return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : '';
        }
        /**
         * @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 Casts the address to uint256 without masking.
         */
        function _addressToUint256(address value) private pure returns (uint256 result) {
            assembly {
                result := value
            }
        }
        /**
         * @dev Casts the boolean to uint256 without branching.
         */
        function _boolToUint256(bool value) private pure returns (uint256 result) {
            assembly {
                result := value
            }
        }
        /**
         * @dev See {IERC721-approve}.
         */
        function approve(address to, uint256 tokenId) public override {
            address owner = address(uint160(_packedOwnershipOf(tokenId)));
            if (to == owner) revert ApprovalToCurrentOwner();
            if (_msgSenderERC721A() != owner)
                if (!isApprovedForAll(owner, _msgSenderERC721A())) {
                    revert ApprovalCallerNotOwnerNorApproved();
                }
            _tokenApprovals[tokenId] = to;
            emit Approval(owner, to, tokenId);
        }
        /**
         * @dev See {IERC721-getApproved}.
         */
        function getApproved(uint256 tokenId) public view override returns (address) {
            if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();
            return _tokenApprovals[tokenId];
        }
        /**
         * @dev See {IERC721-setApprovalForAll}.
         */
        function setApprovalForAll(address operator, bool approved) public virtual override {
            if (operator == _msgSenderERC721A()) revert ApproveToCaller();
            _operatorApprovals[_msgSenderERC721A()][operator] = approved;
            emit ApprovalForAll(_msgSenderERC721A(), 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 {
            _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 {
            _transfer(from, to, tokenId);
            if (to.code.length != 0)
                if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                    revert TransferToNonERC721ReceiverImplementer();
                }
        }
        /**
         * @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`),
         */
        function _exists(uint256 tokenId) internal view returns (bool) {
            return
                _startTokenId() <= tokenId &&
                tokenId < _currentIndex && // If within bounds,
                _packedOwnerships[tokenId] & BITMASK_BURNED == 0; // and not burned.
        }
        /**
         * @dev Equivalent to `_safeMint(to, quantity, '')`.
         */
        function _safeMint(address to, uint256 quantity) internal {
            _safeMint(to, quantity, '');
        }
        /**
         * @dev Safely mints `quantity` tokens and transfers them to `to`.
         *
         * Requirements:
         *
         * - If `to` refers to a smart contract, it must implement
         *   {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
         * - `quantity` must be greater than 0.
         *
         * Emits a {Transfer} event.
         */
        function _safeMint(
            address to,
            uint256 quantity,
            bytes memory _data
        ) internal {
            uint256 startTokenId = _currentIndex;
            if (to == address(0)) revert MintToZeroAddress();
            if (quantity == 0) revert MintZeroQuantity();
            _beforeTokenTransfers(address(0), to, startTokenId, quantity);
            // Overflows are incredibly unrealistic.
            // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
            // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
            unchecked {
                // Updates:
                // - `balance += quantity`.
                // - `numberMinted += quantity`.
                //
                // We can directly add to the balance and number minted.
                _packedAddressData[to] += quantity * ((1 << BITPOS_NUMBER_MINTED) | 1);
                // Updates:
                // - `address` to the owner.
                // - `startTimestamp` to the timestamp of minting.
                // - `burned` to `false`.
                // - `nextInitialized` to `quantity == 1`.
                _packedOwnerships[startTokenId] =
                    _addressToUint256(to) |
                    (block.timestamp << BITPOS_START_TIMESTAMP) |
                    (_boolToUint256(quantity == 1) << BITPOS_NEXT_INITIALIZED);
                uint256 updatedIndex = startTokenId;
                uint256 end = updatedIndex + quantity;
                if (to.code.length != 0) {
                    do {
                        emit Transfer(address(0), to, updatedIndex);
                        if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) {
                            revert TransferToNonERC721ReceiverImplementer();
                        }
                    } while (updatedIndex < end);
                    // Reentrancy protection
                    if (_currentIndex != startTokenId) revert();
                } else {
                    do {
                        emit Transfer(address(0), to, updatedIndex++);
                    } while (updatedIndex < end);
                }
                _currentIndex = updatedIndex;
            }
            _afterTokenTransfers(address(0), to, startTokenId, quantity);
        }
        /**
         * @dev Mints `quantity` tokens and transfers them to `to`.
         *
         * Requirements:
         *
         * - `to` cannot be the zero address.
         * - `quantity` must be greater than 0.
         *
         * Emits a {Transfer} event.
         */
        function _mint(address to, uint256 quantity) internal {
            uint256 startTokenId = _currentIndex;
            if (to == address(0)) revert MintToZeroAddress();
            if (quantity == 0) revert MintZeroQuantity();
            _beforeTokenTransfers(address(0), to, startTokenId, quantity);
            // Overflows are incredibly unrealistic.
            // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
            // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
            unchecked {
                // Updates:
                // - `balance += quantity`.
                // - `numberMinted += quantity`.
                //
                // We can directly add to the balance and number minted.
                _packedAddressData[to] += quantity * ((1 << BITPOS_NUMBER_MINTED) | 1);
                // Updates:
                // - `address` to the owner.
                // - `startTimestamp` to the timestamp of minting.
                // - `burned` to `false`.
                // - `nextInitialized` to `quantity == 1`.
                _packedOwnerships[startTokenId] =
                    _addressToUint256(to) |
                    (block.timestamp << BITPOS_START_TIMESTAMP) |
                    (_boolToUint256(quantity == 1) << BITPOS_NEXT_INITIALIZED);
                uint256 updatedIndex = startTokenId;
                uint256 end = updatedIndex + quantity;
                do {
                    emit Transfer(address(0), to, updatedIndex++);
                } while (updatedIndex < end);
                _currentIndex = updatedIndex;
            }
            _afterTokenTransfers(address(0), to, startTokenId, quantity);
        }
        /**
         * @dev Transfers `tokenId` from `from` to `to`.
         *
         * 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
        ) private {
            uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);
            if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner();
            bool isApprovedOrOwner = (_msgSenderERC721A() == from ||
                isApprovedForAll(from, _msgSenderERC721A()) ||
                getApproved(tokenId) == _msgSenderERC721A());
            if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
            if (to == address(0)) revert TransferToZeroAddress();
            _beforeTokenTransfers(from, to, tokenId, 1);
            // Clear approvals from the previous owner.
            delete _tokenApprovals[tokenId];
            // Underflow of the sender's balance is impossible because we check for
            // ownership above and the recipient's balance can't realistically overflow.
            // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
            unchecked {
                // We can directly increment and decrement the balances.
                --_packedAddressData[from]; // Updates: `balance -= 1`.
                ++_packedAddressData[to]; // Updates: `balance += 1`.
                // Updates:
                // - `address` to the next owner.
                // - `startTimestamp` to the timestamp of transfering.
                // - `burned` to `false`.
                // - `nextInitialized` to `true`.
                _packedOwnerships[tokenId] =
                    _addressToUint256(to) |
                    (block.timestamp << BITPOS_START_TIMESTAMP) |
                    BITMASK_NEXT_INITIALIZED;
                // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
                if (prevOwnershipPacked & BITMASK_NEXT_INITIALIZED == 0) {
                    uint256 nextTokenId = tokenId + 1;
                    // If the next slot's address is zero and not burned (i.e. packed value is zero).
                    if (_packedOwnerships[nextTokenId] == 0) {
                        // If the next slot is within bounds.
                        if (nextTokenId != _currentIndex) {
                            // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                            _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                        }
                    }
                }
            }
            emit Transfer(from, to, tokenId);
            _afterTokenTransfers(from, to, tokenId, 1);
        }
        /**
         * @dev Equivalent to `_burn(tokenId, false)`.
         */
        function _burn(uint256 tokenId) internal virtual {
            _burn(tokenId, false);
        }
        /**
         * @dev Destroys `tokenId`.
         * The approval is cleared when the token is burned.
         *
         * Requirements:
         *
         * - `tokenId` must exist.
         *
         * Emits a {Transfer} event.
         */
        function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
            uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);
            address from = address(uint160(prevOwnershipPacked));
            if (approvalCheck) {
                bool isApprovedOrOwner = (_msgSenderERC721A() == from ||
                    isApprovedForAll(from, _msgSenderERC721A()) ||
                    getApproved(tokenId) == _msgSenderERC721A());
                if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
            }
            _beforeTokenTransfers(from, address(0), tokenId, 1);
            // Clear approvals from the previous owner.
            delete _tokenApprovals[tokenId];
            // Underflow of the sender's balance is impossible because we check for
            // ownership above and the recipient's balance can't realistically overflow.
            // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
            unchecked {
                // Updates:
                // - `balance -= 1`.
                // - `numberBurned += 1`.
                //
                // We can directly decrement the balance, and increment the number burned.
                // This is equivalent to `packed -= 1; packed += 1 << BITPOS_NUMBER_BURNED;`.
                _packedAddressData[from] += (1 << BITPOS_NUMBER_BURNED) - 1;
                // Updates:
                // - `address` to the last owner.
                // - `startTimestamp` to the timestamp of burning.
                // - `burned` to `true`.
                // - `nextInitialized` to `true`.
                _packedOwnerships[tokenId] =
                    _addressToUint256(from) |
                    (block.timestamp << BITPOS_START_TIMESTAMP) |
                    BITMASK_BURNED | 
                    BITMASK_NEXT_INITIALIZED;
                // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
                if (prevOwnershipPacked & BITMASK_NEXT_INITIALIZED == 0) {
                    uint256 nextTokenId = tokenId + 1;
                    // If the next slot's address is zero and not burned (i.e. packed value is zero).
                    if (_packedOwnerships[nextTokenId] == 0) {
                        // If the next slot is within bounds.
                        if (nextTokenId != _currentIndex) {
                            // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                            _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                        }
                    }
                }
            }
            emit Transfer(from, address(0), tokenId);
            _afterTokenTransfers(from, address(0), tokenId, 1);
            // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
            unchecked {
                _burnCounter++;
            }
        }
        /**
         * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target 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 _checkContractOnERC721Received(
            address from,
            address to,
            uint256 tokenId,
            bytes memory _data
        ) private returns (bool) {
            try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (
                bytes4 retval
            ) {
                return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert TransferToNonERC721ReceiverImplementer();
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        }
        /**
         * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.
         * And also called before burning one token.
         *
         * startTokenId - the first token id to be transferred
         * quantity - the amount to be transferred
         *
         * 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, `tokenId` will be burned by `from`.
         * - `from` and `to` are never both zero.
         */
        function _beforeTokenTransfers(
            address from,
            address to,
            uint256 startTokenId,
            uint256 quantity
        ) internal virtual {}
        /**
         * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes
         * minting.
         * And also called after one token has been burned.
         *
         * startTokenId - the first token id to be transferred
         * quantity - the amount to be transferred
         *
         * Calling conditions:
         *
         * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
         * transferred to `to`.
         * - When `from` is zero, `tokenId` has been minted for `to`.
         * - When `to` is zero, `tokenId` has been burned by `from`.
         * - `from` and `to` are never both zero.
         */
        function _afterTokenTransfers(
            address from,
            address to,
            uint256 startTokenId,
            uint256 quantity
        ) internal virtual {}
        /**
         * @dev Returns the message sender (defaults to `msg.sender`).
         *
         * If you are writing GSN compatible contracts, you need to override this function.
         */
        function _msgSenderERC721A() internal view virtual returns (address) {
            return msg.sender;
        }
        /**
         * @dev Converts a `uint256` to its ASCII `string` decimal representation.
         */
        function _toString(uint256 value) internal pure returns (string memory ptr) {
            assembly {
                // The maximum value of a uint256 contains 78 digits (1 byte per digit), 
                // but we allocate 128 bytes to keep the free memory pointer 32-byte word aliged.
                // We will need 1 32-byte word to store the length, 
                // and 3 32-byte words to store a maximum of 78 digits. Total: 32 + 3 * 32 = 128.
                ptr := add(mload(0x40), 128)
                // Update the free memory pointer to allocate.
                mstore(0x40, ptr)
                // Cache the end of the memory to calculate the length later.
                let end := ptr
                // We write the string from the rightmost digit to the leftmost digit.
                // The following is essentially a do-while loop that also handles the zero case.
                // Costs a bit more than early returning for the zero case,
                // but cheaper in terms of deployment and overall runtime costs.
                for { 
                    // Initialize and perform the first pass without check.
                    let temp := value
                    // Move the pointer 1 byte leftwards to point to an empty character slot.
                    ptr := sub(ptr, 1)
                    // Write the character to the pointer. 48 is the ASCII index of '0'.
                    mstore8(ptr, add(48, mod(temp, 10)))
                    temp := div(temp, 10)
                } temp { 
                    // Keep dividing `temp` until zero.
                    temp := div(temp, 10)
                } { // Body of the for loop.
                    ptr := sub(ptr, 1)
                    mstore8(ptr, add(48, mod(temp, 10)))
                }
                
                let length := sub(end, ptr)
                // Move the pointer 32 bytes leftwards to make room for the length.
                ptr := sub(ptr, 32)
                // Store the length.
                mstore(ptr, length)
            }
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.4;
    interface IRebelsMintAuthorizer {
      function authorizeMint(
        address sender,
        uint256 value,
        uint256 number,
        bytes32[] memory senderData
      ) external;
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.4;
    import "@openzeppelin/contracts/interfaces/IERC165.sol";
    interface IRebelsRenderer is IERC165 {
      function tokenURI(uint256 id) external view returns (string memory);
      function beforeTokenTransfer(address from, address to, uint256 id) external;
    }
    // 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
    // ERC721A Contracts v4.0.0
    // Creator: Chiru Labs
    pragma solidity ^0.8.4;
    /**
     * @dev Interface of an ERC721A compliant contract.
     */
    interface IERC721A {
        /**
         * The caller must own the token or be an approved operator.
         */
        error ApprovalCallerNotOwnerNorApproved();
        /**
         * The token does not exist.
         */
        error ApprovalQueryForNonexistentToken();
        /**
         * The caller cannot approve to their own address.
         */
        error ApproveToCaller();
        /**
         * The caller cannot approve to the current owner.
         */
        error ApprovalToCurrentOwner();
        /**
         * Cannot query the balance for the zero address.
         */
        error BalanceQueryForZeroAddress();
        /**
         * Cannot mint to the zero address.
         */
        error MintToZeroAddress();
        /**
         * The quantity of tokens minted must be more than zero.
         */
        error MintZeroQuantity();
        /**
         * The token does not exist.
         */
        error OwnerQueryForNonexistentToken();
        /**
         * The caller must own the token or be an approved operator.
         */
        error TransferCallerNotOwnerNorApproved();
        /**
         * The token must be owned by `from`.
         */
        error TransferFromIncorrectOwner();
        /**
         * Cannot safely transfer to a contract that does not implement the ERC721Receiver interface.
         */
        error TransferToNonERC721ReceiverImplementer();
        /**
         * Cannot transfer to the zero address.
         */
        error TransferToZeroAddress();
        /**
         * The token does not exist.
         */
        error URIQueryForNonexistentToken();
        struct TokenOwnership {
            // The address of the owner.
            address addr;
            // Keeps track of the start time of ownership with minimal overhead for tokenomics.
            uint64 startTimestamp;
            // Whether the token has been burned.
            bool burned;
        }
        /**
         * @dev Returns the total amount of tokens stored by the contract.
         *
         * Burned tokens are calculated here, use `_totalMinted()` if you want to count just minted tokens.
         */
        function totalSupply() external view returns (uint256);
        // ==============================
        //            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);
        // ==============================
        //            IERC721
        // ==============================
        /**
         * @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 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 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);
        // ==============================
        //        IERC721Metadata
        // ==============================
        /**
         * @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 v4.4.1 (interfaces/IERC165.sol)
    pragma solidity ^0.8.0;
    import "../utils/introspection/IERC165.sol";
    // 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);
    }