ETH Price: $2,484.92 (-0.57%)

Contract

0x72842FfB68E5Ebc32D6CC32577e2bD7a6dF4Cf93
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Claim Passport176068352023-07-02 14:12:59489 days ago1688307179IN
0x72842FfB...a6dF4Cf93
0 ETH0.0031713726.07676082
Claim Passport176068072023-07-02 14:07:11489 days ago1688306831IN
0x72842FfB...a6dF4Cf93
0 ETH0.0034117628.0533518
Claim Passport176067202023-07-02 13:49:47489 days ago1688305787IN
0x72842FfB...a6dF4Cf93
0 ETH0.0020148516.56561958
Claim Passport176065952023-07-02 13:23:35489 days ago1688304215IN
0x72842FfB...a6dF4Cf93
0 ETH0.0020133816.53694218
Claim Passport176064452023-07-02 12:52:47489 days ago1688302367IN
0x72842FfB...a6dF4Cf93
0 ETH0.00157612.95743624
Claim Passport176058372023-07-02 10:49:59489 days ago1688294999IN
0x72842FfB...a6dF4Cf93
0 ETH0.0017383614.29377934
Claim Passport176056792023-07-02 10:17:47489 days ago1688293067IN
0x72842FfB...a6dF4Cf93
0 ETH0.001771614.56705427
Claim Passport176056472023-07-02 10:11:23489 days ago1688292683IN
0x72842FfB...a6dF4Cf93
0 ETH0.0015587812.81718772
Claim Passport176053412023-07-02 9:09:23489 days ago1688288963IN
0x72842FfB...a6dF4Cf93
0 ETH0.0016177713.28755782
Claim Passport176048882023-07-02 7:37:11489 days ago1688283431IN
0x72842FfB...a6dF4Cf93
0 ETH0.0016405413.48814283
Claim Passport176048372023-07-02 7:26:59489 days ago1688282819IN
0x72842FfB...a6dF4Cf93
0 ETH0.0017063614.03066438
Claim Passport176043092023-07-02 5:40:47489 days ago1688276447IN
0x72842FfB...a6dF4Cf93
0 ETH0.0016266813.37546852
Claim Passport176042762023-07-02 5:34:11489 days ago1688276051IN
0x72842FfB...a6dF4Cf93
0 ETH0.0017522614.40804528
Claim Passport176041862023-07-02 5:15:59489 days ago1688274959IN
0x72842FfB...a6dF4Cf93
0 ETH0.0015462212.71266672
Claim Passport176040342023-07-02 4:45:35489 days ago1688273135IN
0x72842FfB...a6dF4Cf93
0 ETH0.0014625313.99166973
Claim Passport176040072023-07-02 4:39:59489 days ago1688272799IN
0x72842FfB...a6dF4Cf93
0 ETH0.001425613.63832743
Claim Passport176039912023-07-02 4:36:47489 days ago1688272607IN
0x72842FfB...a6dF4Cf93
0 ETH0.0013703313.10962815
Claim Passport176039832023-07-02 4:35:11489 days ago1688272511IN
0x72842FfB...a6dF4Cf93
0 ETH0.0014377211.82173976
Claim Passport176039802023-07-02 4:34:35489 days ago1688272475IN
0x72842FfB...a6dF4Cf93
0 ETH0.001278712.23304387
Claim Passport176039482023-07-02 4:28:11489 days ago1688272091IN
0x72842FfB...a6dF4Cf93
0 ETH0.0014374713.75190508
Claim Passport176039392023-07-02 4:26:11489 days ago1688271971IN
0x72842FfB...a6dF4Cf93
0 ETH0.0012627912.08084785
Claim Passport176038952023-07-02 4:17:11489 days ago1688271431IN
0x72842FfB...a6dF4Cf93
0 ETH0.0014978512.31493181
Claim Passport176036882023-07-02 3:35:11489 days ago1688268911IN
0x72842FfB...a6dF4Cf93
0 ETH0.0015626312.84881551
Claim Passport176029782023-07-02 1:12:11489 days ago1688260331IN
0x72842FfB...a6dF4Cf93
0 ETH0.0018635215.32137709
Claim Passport176028022023-07-02 0:36:47489 days ago1688258207IN
0x72842FfB...a6dF4Cf93
0 ETH0.0016901113.89566183
View all transactions

View more zero value Internal Transactions in Advanced View mode

Advanced mode:
Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
Cre8orsClaimPassportMinter

Compiler Version
v0.8.17+commit.8df45f5f

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 21 : Cre8orsClaimPassportMinter.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.15;
import {IERC721A} from "lib/ERC721A/contracts/interfaces/IERC721A.sol";
import {ERC721A} from "lib/ERC721A/contracts/ERC721A.sol";
import {IERC721Drop} from "../interfaces/IERC721Drop.sol";
import {Cre8orsCollective} from "../Cre8orsCollective.sol";

contract Cre8orsClaimPassportMinter {
    address private cre8orsClaimContractAddress;
    address private cre8orsPassportContractAddress;

    constructor(
        address _cre8orsClaimContractAddress,
        address _cre8orsPassportContractAddress
    ) {
        cre8orsClaimContractAddress = _cre8orsClaimContractAddress;
        cre8orsPassportContractAddress = _cre8orsPassportContractAddress;
    }

    function claimPassport(uint256 _tokenId) external returns (uint256) {
        Cre8orsCollective(cre8orsClaimContractAddress).burn(_tokenId);

        // Mint the token to the sender
        return
            IERC721Drop(cre8orsPassportContractAddress).adminMint(
                msg.sender,
                1
            );
    }
}

File 2 of 21 : ERC721A.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721A.sol';

/**
 * @dev Interface of ERC721 token receiver.
 */
interface ERC721A__IERC721Receiver {
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

/**
 * @title ERC721A
 *
 * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
 * Non-Fungible Token Standard, including the Metadata extension.
 * Optimized for lower gas during batch mints.
 *
 * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)
 * starting from `_startTokenId()`.
 *
 * Assumptions:
 *
 * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is IERC721A {
    // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).
    struct TokenApprovalRef {
        address value;
    }

    // =============================================================
    //                           CONSTANTS
    // =============================================================

    // 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 bit position of `extraData` in packed ownership.
    uint256 private constant _BITPOS_EXTRA_DATA = 232;

    // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.
    uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;

    // The mask of the lower 160 bits for addresses.
    uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;

    // The maximum `quantity` that can be minted with {_mintERC2309}.
    // This limit is to prevent overflows on the address data entries.
    // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}
    // is required to cause an overflow, which is unrealistic.
    uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;

    // The `Transfer` event signature is given by:
    // `keccak256(bytes("Transfer(address,address,uint256)"))`.
    bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
        0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;

    // =============================================================
    //                            STORAGE
    // =============================================================

    // The next token ID 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`
    // - [232..255] `extraData`
    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 => TokenApprovalRef) private _tokenApprovals;

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

    // =============================================================
    //                          CONSTRUCTOR
    // =============================================================

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
        _currentIndex = _startTokenId();
    }

    // =============================================================
    //                   TOKEN COUNTING OPERATIONS
    // =============================================================

    /**
     * @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 virtual 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 virtual 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 virtual 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 virtual returns (uint256) {
        return _burnCounter;
    }

    // =============================================================
    //                    ADDRESS DATA OPERATIONS
    // =============================================================

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) public view virtual 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 auxiliary 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 auxiliary 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 virtual {
        uint256 packed = _packedAddressData[owner];
        uint256 auxCasted;
        // Cast `aux` with assembly to avoid redundant masking.
        assembly {
            auxCasted := aux
        }
        packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
        _packedAddressData[owner] = packed;
    }

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    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: [ERC165](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.
    }

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @dev Returns the token collection name.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    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, it can be overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    // =============================================================
    //                     OWNERSHIPS OPERATIONS
    // =============================================================

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return address(uint160(_packedOwnershipOf(tokenId)));
    }

    /**
     * @dev Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around over time.
     */
    function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnershipOf(tokenId));
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct at `index`.
     */
    function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnerships[index]);
    }

    /**
     * @dev Initializes the ownership slot minted at `index` for efficiency purposes.
     */
    function _initializeOwnershipAt(uint256 index) internal virtual {
        if (_packedOwnerships[index] == 0) {
            _packedOwnerships[index] = _packedOwnershipOf(index);
        }
    }

    /**
     * Returns the packed ownership data of `tokenId`.
     */
    function _packedOwnershipOf(uint256 tokenId) private view returns (uint256 packed) {
        if (_startTokenId() <= tokenId) {
            packed = _packedOwnerships[tokenId];
            // If not burned.
            if (packed & _BITMASK_BURNED == 0) {
                // If the data at the starting slot does not exist, start the scan.
                if (packed == 0) {
                    if (tokenId >= _currentIndex) revert OwnerQueryForNonexistentToken();
                    // Invariant:
                    // There will always be an initialized ownership slot
                    // (i.e. `ownership.addr != address(0) && ownership.burned == false`)
                    // before an unintialized ownership slot
                    // (i.e. `ownership.addr == address(0) && ownership.burned == false`)
                    // Hence, `tokenId` will not underflow.
                    //
                    // We can directly compare the packed value.
                    // If the address is zero, packed will be zero.
                    for (;;) {
                        unchecked {
                            packed = _packedOwnerships[--tokenId];
                        }
                        if (packed == 0) continue;
                        return packed;
                    }
                }
                // Otherwise, the data exists and is not burned. We can skip the scan.
                // This is possible because we have already achieved the target condition.
                // This saves 2143 gas on transfers of initialized tokens.
                return packed;
            }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev 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;
        ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);
    }

    /**
     * @dev Packs ownership data into a single uint256.
     */
    function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.
            result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
        }
    }

    /**
     * @dev Returns the `nextInitialized` flag set if `quantity` equals 1.
     */
    function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
        // For branchless setting of the `nextInitialized` flag.
        assembly {
            // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.
            result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
        }
    }

    // =============================================================
    //                      APPROVAL OPERATIONS
    // =============================================================

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account. See {ERC721A-_approve}.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     */
    function approve(address to, uint256 tokenId) public payable virtual override {
        _approve(to, tokenId, true);
    }

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId].value;
    }

    /**
     * @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) public virtual override {
        _operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

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

    /**
     * @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. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex && // If within bounds,
            _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
    }

    /**
     * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.
     */
    function _isSenderApprovedOrOwner(
        address approvedAddress,
        address owner,
        address msgSender
    ) private pure returns (bool result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.
            msgSender := and(msgSender, _BITMASK_ADDRESS)
            // `msgSender == owner || msgSender == approvedAddress`.
            result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
        }
    }

    /**
     * @dev Returns the storage slot and value for the approved address of `tokenId`.
     */
    function _getApprovedSlotAndAddress(uint256 tokenId)
        private
        view
        returns (uint256 approvedAddressSlot, address approvedAddress)
    {
        TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];
        // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.
        assembly {
            approvedAddressSlot := tokenApproval.slot
            approvedAddress := sload(approvedAddressSlot)
        }
    }

    // =============================================================
    //                      TRANSFER OPERATIONS
    // =============================================================

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * 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
    ) public payable virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner();

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        // The nested ifs save around 20+ gas over a compound boolean condition.
        if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
            if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();

        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // 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] = _packOwnershipData(
                to,
                _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
            );

            // 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 `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    /**
     * @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 memory _data
    ) public payable virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

    /**
     * @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 Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * `from` - Previous owner of the given token ID.
     * `to` - Target address that will receive the token.
     * `tokenId` - Token ID to be transferred.
     * `_data` - Optional data to send along with the call.
     *
     * Returns 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))
                }
            }
        }
    }

    // =============================================================
    //                        MINT OPERATIONS
    // =============================================================

    /**
     * @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 for each mint.
     */
    function _mint(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (quantity == 0) revert MintZeroQuantity();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are incredibly unrealistic.
        // `balance` and `numberMinted` have a maximum limit of 2**64.
        // `tokenId` has a maximum limit of 2**256.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _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] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            // Use assembly to loop and emit the `Transfer` event for gas savings.
            // The duplicated `log4` removes an extra check and reduces stack juggling.
            // The assembly, together with the surrounding Solidity code, have been
            // delicately arranged to nudge the compiler into producing optimized opcodes.
            assembly {
                // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
                toMasked := and(to, _BITMASK_ADDRESS)
                // Emit the `Transfer` event.
                log4(
                    0, // Start of data (0, since no data).
                    0, // End of data (0, since no data).
                    _TRANSFER_EVENT_SIGNATURE, // Signature.
                    0, // `address(0)`.
                    toMasked, // `to`.
                    startTokenId // `tokenId`.
                )

                // The `iszero(eq(,))` check ensures that large values of `quantity`
                // that overflows uint256 will make the loop run out of gas.
                // The compiler will optimize the `iszero` away for performance.
                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    // Emit the `Transfer` event. Similar to above.
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

            _currentIndex = end;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * This function is intended for efficient minting only during contract creation.
     *
     * It emits only one {ConsecutiveTransfer} as defined in
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),
     * instead of a sequence of {Transfer} event(s).
     *
     * Calling this function outside of contract creation WILL make your contract
     * non-compliant with the ERC721 standard.
     * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309
     * {ConsecutiveTransfer} event is only permissible during contract creation.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {ConsecutiveTransfer} event.
     */
    function _mintERC2309(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();
        if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are unrealistic due to the above check for `quantity` to be below the limit.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _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] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);

            _currentIndex = startTokenId + quantity;
        }
        _afterTokenTransfers(address(0), to, startTokenId, 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.
     *
     * See {_mint}.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal virtual {
        _mint(to, quantity);

        unchecked {
            if (to.code.length != 0) {
                uint256 end = _currentIndex;
                uint256 index = end - quantity;
                do {
                    if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (index < end);
                // Reentrancy protection.
                if (_currentIndex != end) revert();
            }
        }
    }

    /**
     * @dev Equivalent to `_safeMint(to, quantity, '')`.
     */
    function _safeMint(address to, uint256 quantity) internal virtual {
        _safeMint(to, quantity, '');
    }

    // =============================================================
    //                       APPROVAL OPERATIONS
    // =============================================================

    /**
     * @dev Equivalent to `_approve(to, tokenId, false)`.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _approve(to, tokenId, false);
    }

    /**
     * @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:
     *
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function _approve(
        address to,
        uint256 tokenId,
        bool approvalCheck
    ) internal virtual {
        address owner = ownerOf(tokenId);

        if (approvalCheck)
            if (_msgSenderERC721A() != owner)
                if (!isApprovedForAll(owner, _msgSenderERC721A())) {
                    revert ApprovalCallerNotOwnerNorApproved();
                }

        _tokenApprovals[tokenId].value = to;
        emit Approval(owner, to, tokenId);
    }

    // =============================================================
    //                        BURN OPERATIONS
    // =============================================================

    /**
     * @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));

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        if (approvalCheck) {
            // The nested ifs save around 20+ gas over a compound boolean condition.
            if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
                if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
        }

        _beforeTokenTransfers(from, address(0), tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // 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] = _packOwnershipData(
                from,
                (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
            );

            // 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++;
        }
    }

    // =============================================================
    //                     EXTRA DATA OPERATIONS
    // =============================================================

    /**
     * @dev Directly sets the extra data for the ownership data `index`.
     */
    function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
        uint256 packed = _packedOwnerships[index];
        if (packed == 0) revert OwnershipNotInitializedForExtraData();
        uint256 extraDataCasted;
        // Cast `extraData` with assembly to avoid redundant masking.
        assembly {
            extraDataCasted := extraData
        }
        packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
        _packedOwnerships[index] = packed;
    }

    /**
     * @dev Called during each token transfer to set the 24bit `extraData` field.
     * Intended to be overridden by the cosumer contract.
     *
     * `previousExtraData` - the value of `extraData` before transfer.
     *
     * 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 _extraData(
        address from,
        address to,
        uint24 previousExtraData
    ) internal view virtual returns (uint24) {}

    /**
     * @dev Returns the next extra data for the packed ownership data.
     * The returned result is shifted into position.
     */
    function _nextExtraData(
        address from,
        address to,
        uint256 prevOwnershipPacked
    ) private view returns (uint256) {
        uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);
        return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;
    }

    // =============================================================
    //                       OTHER OPERATIONS
    // =============================================================

    /**
     * @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 virtual returns (string memory str) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but
            // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
            // We will need 1 word for the trailing zeros padding, 1 word for the length,
            // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
            let m := add(mload(0x40), 0xa0)
            // Update the free memory pointer to allocate.
            mstore(0x40, m)
            // Assign the `str` to the end.
            str := sub(m, 0x20)
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end of the memory to calculate the length later.
            let end := str

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                str := sub(str, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(str, add(48, mod(temp, 10)))
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
                // prettier-ignore
                if iszero(temp) { break }
            }

            let length := sub(end, str)
            // Move the pointer 32 bytes leftwards to make room for the length.
            str := sub(str, 0x20)
            // Store the length.
            mstore(str, length)
        }
    }
}

File 3 of 21 : IERC721A.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

/**
 * @dev Interface of ERC721A.
 */
interface IERC721A {
    /**
     * The caller must own the token or be an approved operator.
     */
    error ApprovalCallerNotOwnerNorApproved();

    /**
     * The token does not exist.
     */
    error ApprovalQueryForNonexistentToken();

    /**
     * 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();

    /**
     * The `quantity` minted with ERC2309 exceeds the safety limit.
     */
    error MintERC2309QuantityExceedsLimit();

    /**
     * The `extraData` cannot be set on an unintialized ownership slot.
     */
    error OwnershipNotInitializedForExtraData();

    // =============================================================
    //                            STRUCTS
    // =============================================================

    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Stores the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
        // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.
        uint24 extraData;
    }

    // =============================================================
    //                         TOKEN COUNTERS
    // =============================================================

    /**
     * @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() external view returns (uint256);

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 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`,
     * 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,
        bytes calldata data
    ) external payable;

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    /**
     * @dev Transfers `tokenId` 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 payable;

    /**
     * @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 payable;

    /**
     * @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);

    // =============================================================
    //                           IERC2309
    // =============================================================

    /**
     * @dev Emitted when tokens in `fromTokenId` to `toTokenId`
     * (inclusive) is transferred from `from` to `to`, as defined in the
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.
     *
     * See {_mintERC2309} for more details.
     */
    event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);
}

File 4 of 21 : IERC721A.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '../IERC721A.sol';

File 5 of 21 : AccessControl.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "./IAccessControl.sol";
import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

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

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(account),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleGranted} event.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleRevoked} event.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     *
     * May emit a {RoleRevoked} event.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * May emit a {RoleGranted} event.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleGranted} event.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleRevoked} event.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

File 6 of 21 : IAccessControl.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

File 7 of 21 : IERC2981.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Interface for the NFT Royalty Standard.
 *
 * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
 * support for royalty payments across all NFT marketplaces and ecosystem participants.
 *
 * _Available since v4.5._
 */
interface IERC2981 is IERC165 {
    /**
     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
     */
    function royaltyInfo(uint256 tokenId, uint256 salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount);
}

File 8 of 21 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }
}

File 9 of 21 : Context.sol
// 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;
    }
}

File 10 of 21 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @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] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

File 11 of 21 : MerkleProof.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Tree proofs.
 *
 * The tree and the proofs can be generated using our
 * https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
 * You will find a quickstart guide in the readme.
 *
 * WARNING: You should avoid using leaf values that are 64 bytes long prior to
 * hashing, or use a hash function other than keccak256 for hashing leaves.
 * This is because the concatenation of a sorted pair of internal nodes in
 * the merkle tree could be reinterpreted as a leaf value.
 * OpenZeppelin's JavaScript library generates merkle trees that are safe
 * against this attack out of the box.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Calldata version of {verify}
     *
     * _Available since v4.7._
     */
    function verifyCalldata(
        bytes32[] calldata proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProofCalldata(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Calldata version of {processProof}
     *
     * _Available since v4.7._
     */
    function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerify(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProof(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Calldata version of {multiProofVerify}
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerifyCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProofCalldata(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
     * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
     * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
     * respectively.
     *
     * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
     * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
     * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
     *
     * _Available since v4.7._
     */
    function processMultiProof(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    /**
     * @dev Calldata version of {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function processMultiProofCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
        return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
    }

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

File 12 of 21 : ERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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;
    }
}

File 13 of 21 : 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);
}

File 14 of 21 : Math.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1, "Math: mulDiv overflow");

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10**64) {
                value /= 10**64;
                result += 64;
            }
            if (value >= 10**32) {
                value /= 10**32;
                result += 32;
            }
            if (value >= 10**16) {
                value /= 10**16;
                result += 16;
            }
            if (value >= 10**8) {
                value /= 10**8;
                result += 8;
            }
            if (value >= 10**4) {
                value /= 10**4;
                result += 4;
            }
            if (value >= 10**2) {
                value /= 10**2;
                result += 2;
            }
            if (value >= 10**1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
        }
    }
}

File 15 of 21 : Cre8iveAdmin.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.15;

import {AccessControl} from "lib/openzeppelin-contracts/contracts/access/AccessControl.sol";

/**
 ██████╗██████╗ ███████╗ █████╗  ██████╗ ██████╗ ███████╗
██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝
██║     ██████╔╝█████╗  ╚█████╔╝██║   ██║██████╔╝███████╗
██║     ██╔══██╗██╔══╝  ██╔══██╗██║   ██║██╔══██╗╚════██║
╚██████╗██║  ██║███████╗╚█████╔╝╚██████╔╝██║  ██║███████║
 ╚═════╝╚═╝  ╚═╝╚══════╝ ╚════╝  ╚═════╝ ╚═╝  ╚═╝╚══════╝                                                       
 */
/// @dev inspiration: https://etherscan.io/address/0x23581767a106ae21c074b2276d25e5c3e136a68b#code
contract Cre8iveAdmin is AccessControl {
    /// @notice Access control roles
    bytes32 public immutable MINTER_ROLE = keccak256("MINTER");
    bytes32 public immutable SALES_MANAGER_ROLE = keccak256("SALES_MANAGER");
    /// @notice Role of administrative users allowed to expel a CRE8OR from the Warehouse.
    /// @dev See expelFromWarehouse().
    bytes32 public constant EXPULSION_ROLE = keccak256("EXPULSION_ROLE");

    /// @notice Missing the given role or admin access
    error AdminAccess_MissingRoleOrAdmin(bytes32 role);

    constructor(address _initialOwner) {
        // Setup the owner role
        _setupRole(DEFAULT_ADMIN_ROLE, _initialOwner);
    }

    /////////////////////////////////////////////////
    /// MODIFIERS
    /////////////////////////////////////////////////

    /// @notice Only a given role has access or admin
    /// @param role role to check for alongside the admin role
    modifier onlyRoleOrAdmin(bytes32 role) {
        if (
            !hasRole(DEFAULT_ADMIN_ROLE, msg.sender) &&
            !hasRole(role, msg.sender)
        ) {
            revert AdminAccess_MissingRoleOrAdmin(role);
        }

        _;
    }
}

File 16 of 21 : Cre8orsCollective.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.15;

import {ERC721A} from "lib/ERC721A/contracts/ERC721A.sol";
import {IERC721A} from "lib/ERC721A/contracts/IERC721A.sol";
import {AccessControl} from "lib/openzeppelin-contracts/contracts/access/AccessControl.sol";
import {IERC2981, IERC165} from "lib/openzeppelin-contracts/contracts/interfaces/IERC2981.sol";
import {ReentrancyGuard} from "lib/openzeppelin-contracts/contracts/security/ReentrancyGuard.sol";
import {MerkleProof} from "lib/openzeppelin-contracts/contracts/utils/cryptography/MerkleProof.sol";
import {IERC721Drop} from "./interfaces/IERC721Drop.sol";
import {IMetadataRenderer} from "./interfaces/IMetadataRenderer.sol";
import {ERC721DropStorageV1} from "./storage/ERC721DropStorageV1.sol";
import {OwnableSkeleton} from "./utils/OwnableSkeleton.sol";
import {IOwnable} from "./interfaces/IOwnable.sol";
import {Cre8iveAdmin} from "./Cre8iveAdmin.sol";

/**
 ██████╗██████╗ ███████╗ █████╗  ██████╗ ██████╗ ███████╗
██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝
██║     ██████╔╝█████╗  ╚█████╔╝██║   ██║██████╔╝███████╗
██║     ██╔══██╗██╔══╝  ██╔══██╗██║   ██║██╔══██╗╚════██║
╚██████╗██║  ██║███████╗╚█████╔╝╚██████╔╝██║  ██║███████║
 ╚═════╝╚═╝  ╚═╝╚══════╝ ╚════╝  ╚═════╝ ╚═╝  ╚═╝╚══════╝                                                       
 */
/// @dev inspiration: https://github.com/ourzora/zora-drops-contracts
contract Cre8orsCollective is
    Cre8iveAdmin,
    ERC721A,
    IERC2981,
    ReentrancyGuard,
    IERC721Drop,
    OwnableSkeleton,
    ERC721DropStorageV1
{
    /// @dev This is the max mint batch size for the optimized ERC721A mint contract
    uint256 internal constant MAX_MINT_BATCH_SIZE = 8;

    /// @dev Gas limit to send funds
    uint256 internal constant FUNDS_SEND_GAS_LIMIT = 210_000;

    constructor(
        string memory _contractName,
        string memory _contractSymbol,
        address _initialOwner,
        address payable _fundsRecipient,
        uint64 _editionSize,
        uint16 _royaltyBPS,
        SalesConfiguration memory _salesConfig,
        IMetadataRenderer _metadataRenderer
    )
        ERC721A(_contractName, _contractSymbol)
        ReentrancyGuard()
        Cre8iveAdmin(_initialOwner)
    {
        // Set ownership to original sender of contract call
        _setOwner(_initialOwner);
        // Update salesConfig
        salesConfig = _salesConfig;
        // Setup config variables
        config.editionSize = _editionSize;
        config.metadataRenderer = _metadataRenderer;
        config.royaltyBPS = _royaltyBPS;
        config.fundsRecipient = _fundsRecipient;
    }

    /// @dev Getter for admin role associated with the contract to handle metadata
    /// @return boolean if address is admin
    function isAdmin(address user) external view returns (bool) {
        return hasRole(DEFAULT_ADMIN_ROLE, user);
    }

    /// @notice mint function
    /// @dev This allows the user to purchase an edition
    /// @dev at the given price in the contract.
    function purchase(
        uint256 quantity
    )
        external
        payable
        nonReentrant
        canMintTokens(quantity)
        onlyPublicSaleActive
        returns (uint256)
    {
        uint256 salePrice = salesConfig.publicSalePrice;

        if (msg.value != salePrice * quantity) {
            revert Purchase_WrongPrice(salePrice * quantity);
        }

        // If max purchase per address == 0 there is no limit.
        // Any other number, the per address mint limit is that.
        if (
            salesConfig.maxSalePurchasePerAddress != 0 &&
            _numberMinted(_msgSender()) +
                quantity -
                presaleMintsByAddress[_msgSender()] >
            salesConfig.maxSalePurchasePerAddress
        ) {
            revert Purchase_TooManyForAddress();
        }

        _mintNFTs(_msgSender(), quantity);
        uint256 firstMintedTokenId = _lastMintedTokenId() - quantity;

        emit IERC721Drop.Sale({
            to: _msgSender(),
            quantity: quantity,
            pricePerToken: salePrice,
            firstPurchasedTokenId: firstMintedTokenId
        });
        return firstMintedTokenId;
    }

    /// @notice Merkle-tree based presale purchase function
    /// @param quantity quantity to purchase
    /// @param maxQuantity max quantity that can be purchased via merkle proof #
    /// @param pricePerToken price that each token is purchased at
    /// @param merkleProof proof for presale mint
    function purchasePresale(
        uint256 quantity,
        uint256 maxQuantity,
        uint256 pricePerToken,
        bytes32[] calldata merkleProof
    )
        external
        payable
        nonReentrant
        canMintTokens(quantity)
        onlyPresaleActive
        returns (uint256)
    {
        if (
            !MerkleProof.verify(
                merkleProof,
                salesConfig.presaleMerkleRoot,
                keccak256(
                    // address, uint256, uint256
                    abi.encode(msg.sender, maxQuantity, pricePerToken)
                )
            )
        ) {
            revert Presale_MerkleNotApproved();
        }

        if (msg.value != pricePerToken * quantity) {
            revert Purchase_WrongPrice(pricePerToken * quantity);
        }

        presaleMintsByAddress[_msgSender()] += quantity;
        if (presaleMintsByAddress[_msgSender()] > maxQuantity) {
            revert Presale_TooManyForAddress();
        }

        _mintNFTs(_msgSender(), quantity);
        uint256 firstMintedTokenId = _lastMintedTokenId() - quantity;

        emit IERC721Drop.Sale({
            to: _msgSender(),
            quantity: quantity,
            pricePerToken: pricePerToken,
            firstPurchasedTokenId: firstMintedTokenId
        });

        return firstMintedTokenId;
    }

    /// @notice Mint admin
    /// @param recipient recipient to mint to
    /// @param quantity quantity to mint
    function adminMint(
        address recipient,
        uint256 quantity
    )
        external
        onlyRoleOrAdmin(MINTER_ROLE)
        canMintTokens(quantity)
        returns (uint256)
    {
        _mintNFTs(recipient, quantity);

        return _lastMintedTokenId();
    }

    /// @dev This mints multiple editions to the given list of addresses.
    /// @param recipients list of addresses to send the newly minted editions to
    function adminMintAirdrop(
        address[] calldata recipients
    )
        external
        override
        onlyRoleOrAdmin(MINTER_ROLE)
        canMintTokens(recipients.length)
        returns (uint256)
    {
        uint256 atId = _nextTokenId();
        uint256 startAt = atId;

        unchecked {
            for (
                uint256 endAt = atId + recipients.length;
                atId < endAt;
                atId++
            ) {
                _mintNFTs(recipients[atId - startAt], 1);
            }
        }
        return _lastMintedTokenId();
    }

    /// @dev Get royalty information for token
    /// @param _salePrice Sale price for the token
    function royaltyInfo(
        uint256,
        uint256 _salePrice
    ) external view override returns (address receiver, uint256 royaltyAmount) {
        if (config.fundsRecipient == address(0)) {
            return (config.fundsRecipient, 0);
        }
        return (
            config.fundsRecipient,
            (_salePrice * config.royaltyBPS) / 10_000
        );
    }

    /// @notice Function to mint NFTs
    /// @dev (important: Does not enforce max supply limit, enforce that limit earlier)
    /// @dev This batches in size of 8 as per recommended by ERC721A creators
    /// @param to address to mint NFTs to
    /// @param quantity number of NFTs to mint
    function _mintNFTs(address to, uint256 quantity) internal {
        do {
            uint256 toMint = quantity > MAX_MINT_BATCH_SIZE
                ? MAX_MINT_BATCH_SIZE
                : quantity;
            _mint({to: to, quantity: toMint});
            quantity -= toMint;
        } while (quantity > 0);
    }

    /// @param tokenId Token ID to burn
    /// @notice User burn function for token id
    function burn(uint256 tokenId) public {
        _burn(tokenId, true);
    }

    /// @notice Sale details
    /// @return IERC721Drop.SaleDetails sale information details
    function saleDetails()
        external
        view
        returns (IERC721Drop.ERC20SaleDetails memory)
    {
        return
            IERC721Drop.ERC20SaleDetails({
                erc20PaymentToken: salesConfig.erc20PaymentToken,
                publicSaleActive: _publicSaleActive(),
                presaleActive: _presaleActive(),
                publicSalePrice: salesConfig.publicSalePrice,
                publicSaleStart: salesConfig.publicSaleStart,
                publicSaleEnd: salesConfig.publicSaleEnd,
                presaleStart: salesConfig.presaleStart,
                presaleEnd: salesConfig.presaleEnd,
                presaleMerkleRoot: salesConfig.presaleMerkleRoot,
                totalMinted: _totalMinted(),
                maxSupply: config.editionSize,
                maxSalePurchasePerAddress: salesConfig.maxSalePurchasePerAddress
            });
    }

    /// @dev Number of NFTs the user has minted per address
    /// @param minter to get counts for
    function mintedPerAddress(
        address minter
    ) external view override returns (IERC721Drop.AddressMintDetails memory) {
        return
            IERC721Drop.AddressMintDetails({
                presaleMints: presaleMintsByAddress[minter],
                publicMints: _numberMinted(minter) -
                    presaleMintsByAddress[minter],
                totalMints: _numberMinted(minter)
            });
    }

    /////////////////////////////////////////////////
    /// ADMIN
    /////////////////////////////////////////////////

    /// @dev Set new owner for royalties / opensea
    /// @param newOwner new owner to set
    function setOwner(address newOwner) public onlyAdmin {
        _setOwner(newOwner);
    }

    /// @notice Set a different funds recipient
    /// @param newRecipientAddress new funds recipient address
    function setFundsRecipient(
        address payable newRecipientAddress
    ) external onlyRoleOrAdmin(SALES_MANAGER_ROLE) {
        // TODO(iain): funds recipient cannot be 0?
        config.fundsRecipient = newRecipientAddress;
        emit FundsRecipientChanged(newRecipientAddress, _msgSender());
    }

    /// @dev This sets the sales configuration
    // / @param publicSalePrice New public sale price
    function setSaleConfiguration(
        address erc20PaymentToken,
        uint104 publicSalePrice,
        uint32 maxSalePurchasePerAddress,
        uint64 publicSaleStart,
        uint64 publicSaleEnd,
        uint64 presaleStart,
        uint64 presaleEnd,
        bytes32 presaleMerkleRoot
    ) external onlyAdmin onlyRoleOrAdmin(SALES_MANAGER_ROLE) {
        salesConfig.erc20PaymentToken = erc20PaymentToken;
        salesConfig.publicSalePrice = publicSalePrice;
        salesConfig.maxSalePurchasePerAddress = maxSalePurchasePerAddress;
        salesConfig.publicSaleStart = publicSaleStart;
        salesConfig.publicSaleEnd = publicSaleEnd;
        salesConfig.presaleStart = presaleStart;
        salesConfig.presaleEnd = presaleEnd;
        salesConfig.presaleMerkleRoot = presaleMerkleRoot;

        emit SalesConfigChanged(_msgSender());
    }

    /// @notice Set a new metadata renderer
    /// @param newRenderer new renderer address to use
    /// @param setupRenderer data to setup new renderer with
    function setMetadataRenderer(
        IMetadataRenderer newRenderer,
        bytes memory setupRenderer
    ) external onlyAdmin {
        config.metadataRenderer = newRenderer;

        if (setupRenderer.length > 0) {
            newRenderer.initializeWithData(setupRenderer);
        }

        emit UpdatedMetadataRenderer({
            sender: msg.sender,
            renderer: newRenderer
        });
    }

    /// @notice This withdraws ETH from the contract to the contract owner.
    function withdraw() external nonReentrant {
        address sender = _msgSender();

        // Get fee amount
        uint256 funds = address(this).balance;

        if (
            !hasRole(DEFAULT_ADMIN_ROLE, sender) &&
            !hasRole(SALES_MANAGER_ROLE, sender) &&
            sender != config.fundsRecipient
        ) {
            revert Access_WithdrawNotAllowed();
        }

        // Payout recipient
        (bool successFunds, ) = config.fundsRecipient.call{
            value: funds,
            gas: FUNDS_SEND_GAS_LIMIT
        }("");
        if (!successFunds) {
            revert Withdraw_FundsSendFailure();
        }
    }

    /////////////////////////////////////////////////
    /// UTILITY FUNCTIONS
    /////////////////////////////////////////////////

    /// @notice Getter for last minted token ID (gets next token id and subtracts 1)
    function _lastMintedTokenId() internal view returns (uint256) {
        return _nextTokenId() - 1;
    }

    /// @notice time between start - end
    function _publicSaleActive() internal view returns (bool) {
        return
            salesConfig.publicSaleStart <= block.timestamp &&
            salesConfig.publicSaleEnd > block.timestamp;
    }

    /// @notice time between presaleStart - presaleEnd
    function _presaleActive() internal view returns (bool) {
        return
            salesConfig.presaleStart <= block.timestamp &&
            salesConfig.presaleEnd > block.timestamp;
    }

    /////////////////////////////////////////////////
    /// MODIFIERS
    /////////////////////////////////////////////////

    /// @notice Only allow for users with admin access
    modifier onlyAdmin() {
        if (!hasRole(DEFAULT_ADMIN_ROLE, msg.sender)) {
            revert Access_OnlyAdmin();
        }

        _;
    }

    /// @notice Requires that msg.sender owns or is approved for the token.
    modifier onlyApprovedOrOwner(uint256 tokenId) {
        if (
            _ownershipOf(tokenId).addr != _msgSender() &&
            getApproved(tokenId) != _msgSender()
        ) {
            revert Access_MissingOwnerOrApproved();
        }

        _;
    }

    /// @notice Allows user to mint tokens at a quantity
    modifier canMintTokens(uint256 quantity) {
        if (quantity + _totalMinted() > config.editionSize) {
            revert Mint_SoldOut();
        }

        _;
    }

    /// @notice Public sale active
    modifier onlyPublicSaleActive() {
        if (!_publicSaleActive()) {
            revert Sale_Inactive();
        }

        _;
    }

    /// @notice Presale active
    modifier onlyPresaleActive() {
        if (!_presaleActive()) {
            revert Presale_Inactive();
        }

        _;
    }

    /////////////////////////////////////////////////
    /// OVERRIDES
    /////////////////////////////////////////////////

    /// @notice ERC165 supports interface
    /// @param interfaceId interface id to check if supported
    function supportsInterface(
        bytes4 interfaceId
    ) public view override(IERC165, ERC721A, AccessControl) returns (bool) {
        return
            super.supportsInterface(interfaceId) ||
            type(IOwnable).interfaceId == interfaceId ||
            type(IERC2981).interfaceId == interfaceId ||
            type(IERC721Drop).interfaceId == interfaceId;
    }

    /// @notice Simple override for owner interface.
    /// @return user owner address
    function owner()
        public
        view
        override(OwnableSkeleton, IERC721Drop)
        returns (address)
    {
        return super.owner();
    }

    /// @notice Start token ID for minting (1-100 vs 0-99)
    function _startTokenId() internal pure override returns (uint256) {
        return 1;
    }

    /// @notice Token URI Getter, proxies to metadataRenderer
    /// @param tokenId id of token to get URI for
    /// @return Token URI
    function tokenURI(
        uint256 tokenId
    ) public view override returns (string memory) {
        if (!_exists(tokenId)) {
            revert IERC721A.URIQueryForNonexistentToken();
        }

        return config.metadataRenderer.tokenURI(tokenId);
    }
}

File 17 of 21 : IERC721Drop.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.15;

import {IMetadataRenderer} from "../interfaces/IMetadataRenderer.sol";

/**
 ██████╗██████╗ ███████╗ █████╗  ██████╗ ██████╗ ███████╗
██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝
██║     ██████╔╝█████╗  ╚█████╔╝██║   ██║██████╔╝███████╗
██║     ██╔══██╗██╔══╝  ██╔══██╗██║   ██║██╔══██╗╚════██║
╚██████╗██║  ██║███████╗╚█████╔╝╚██████╔╝██║  ██║███████║
 ╚═════╝╚═╝  ╚═╝╚══════╝ ╚════╝  ╚═════╝ ╚═╝  ╚═╝╚══════╝                                                       
*/
/// @notice Interface for ZORA Drops contract
interface IERC721Drop {
    // Access errors

    /// @notice Only admin can access this function
    error Access_OnlyAdmin();
    /// @notice Missing the given role or admin access
    error Access_MissingRoleOrAdmin(bytes32 role);
    /// @notice Withdraw is not allowed by this user
    error Access_WithdrawNotAllowed();
    /// @notice Cannot withdraw funds due to ETH send failure.
    error Withdraw_FundsSendFailure();
    /// @notice Missing the owner role.
    error Access_OnlyOwner();
    /// @notice Missing the owner role or approved nft access.
    error Access_MissingOwnerOrApproved();

    // CRE8ING errors
    /// @notice Cre8ing Closed
    error Cre8ing_Cre8ingClosed();
    /// @notice Cre8ing
    error Cre8ing_Cre8ing();

    // Sale/Purchase errors
    /// @notice Sale is inactive
    error Sale_Inactive();
    /// @notice Presale is inactive
    error Presale_Inactive();
    /// @notice Presale merkle root is invalid
    error Presale_MerkleNotApproved();
    /// @notice Wrong price for purchase
    error Purchase_WrongPrice(uint256 correctPrice);
    /// @notice NFT sold out
    error Mint_SoldOut();
    /// @notice Too many purchase for address
    error Purchase_TooManyForAddress();
    /// @notice Too many presale for address
    error Presale_TooManyForAddress();

    // Admin errors
    /// @notice Royalty percentage too high
    error Setup_RoyaltyPercentageTooHigh(uint16 maxRoyaltyBPS);
    /// @notice Invalid admin upgrade address
    error Admin_InvalidUpgradeAddress(address proposedAddress);
    /// @notice Unable to finalize an edition not marked as open (size set to uint64_max_value)
    error Admin_UnableToFinalizeNotOpenEdition();

    /// @notice Event emitted for each sale
    /// @param to address sale was made to
    /// @param quantity quantity of the minted nfts
    /// @param pricePerToken price for each token
    /// @param firstPurchasedTokenId first purchased token ID (to get range add to quantity for max)
    event Sale(
        address indexed to,
        uint256 indexed quantity,
        uint256 indexed pricePerToken,
        uint256 firstPurchasedTokenId
    );

    /// @notice Sales configuration has been changed
    /// @dev To access new sales configuration, use getter function.
    /// @param changedBy Changed by user
    event SalesConfigChanged(address indexed changedBy);

    /// @notice Event emitted when the funds recipient is changed
    /// @param newAddress new address for the funds recipient
    /// @param changedBy address that the recipient is changed by
    event FundsRecipientChanged(
        address indexed newAddress,
        address indexed changedBy
    );

    /// @notice Event emitted when the funds are withdrawn from the minting contract
    /// @param withdrawnBy address that issued the withdraw
    /// @param withdrawnTo address that the funds were withdrawn to
    /// @param amount amount that was withdrawn
    event FundsWithdrawn(
        address indexed withdrawnBy,
        address indexed withdrawnTo,
        uint256 amount
    );

    /// @notice Event emitted when an open mint is finalized and further minting is closed forever on the contract.
    /// @param sender address sending close mint
    /// @param numberOfMints number of mints the contract is finalized at
    event OpenMintFinalized(address indexed sender, uint256 numberOfMints);

    /// @notice Event emitted when metadata renderer is updated.
    /// @param sender address of the updater
    /// @param renderer new metadata renderer address
    event UpdatedMetadataRenderer(address sender, IMetadataRenderer renderer);

    /// @notice General configuration for NFT Minting and bookkeeping
    struct Configuration {
        /// @dev Metadata renderer (uint160)
        IMetadataRenderer metadataRenderer;
        /// @dev Total size of edition that can be minted (uint160+64 = 224)
        uint64 editionSize;
        /// @dev Royalty amount in bps (uint224+16 = 240)
        uint16 royaltyBPS;
        /// @dev Funds recipient for sale (new slot, uint160)
        address payable fundsRecipient;
    }

    /// @notice Sales states and configuration
    /// @dev Uses 3 storage slots
    struct SalesConfiguration {
        /// @dev Public sale price (max ether value > 1000 ether with this value)
        uint104 publicSalePrice;
        /// @dev ERC20 Token
        address erc20PaymentToken;
        /// @notice Purchase mint limit per address (if set to 0 === unlimited mints)
        /// @dev Max purchase number per txn (90+32 = 122)
        uint32 maxSalePurchasePerAddress;
        /// @dev uint64 type allows for dates into 292 billion years
        /// @notice Public sale start timestamp (136+64 = 186)
        uint64 publicSaleStart;
        /// @notice Public sale end timestamp (186+64 = 250)
        uint64 publicSaleEnd;
        /// @notice Presale start timestamp
        /// @dev new storage slot
        uint64 presaleStart;
        /// @notice Presale end timestamp
        uint64 presaleEnd;
        /// @notice Presale merkle root
        bytes32 presaleMerkleRoot;
    }

    /// @notice CRE8ORS - General configuration for Builder Rewards burn requirements
    struct BurnConfiguration {
        /// @dev Token to burn
        address burnToken;
        /// @dev Required number of tokens to burn
        uint256 burnQuantity;
    }

    /// @notice Sales states and configuration
    /// @dev Uses 3 storage slots
    struct ERC20SalesConfiguration {
        /// @notice Public sale price
        /// @dev max ether value > 1000 ether with this value
        uint104 publicSalePrice;
        /// @dev ERC20 Token
        address erc20PaymentToken;
        /// @notice Purchase mint limit per address (if set to 0 === unlimited mints)
        /// @dev Max purchase number per txn (90+32 = 122)
        uint32 maxSalePurchasePerAddress;
        /// @dev uint64 type allows for dates into 292 billion years
        /// @notice Public sale start timestamp (136+64 = 186)
        uint64 publicSaleStart;
        /// @notice Public sale end timestamp (186+64 = 250)
        uint64 publicSaleEnd;
        /// @notice Presale start timestamp
        /// @dev new storage slot
        uint64 presaleStart;
        /// @notice Presale end timestamp
        uint64 presaleEnd;
        /// @notice Presale merkle root
        bytes32 presaleMerkleRoot;
    }

    /// @notice Return value for sales details to use with front-ends
    struct SaleDetails {
        // Synthesized status variables for sale and presale
        bool publicSaleActive;
        bool presaleActive;
        // Price for public sale
        uint256 publicSalePrice;
        // Timed sale actions for public sale
        uint64 publicSaleStart;
        uint64 publicSaleEnd;
        // Timed sale actions for presale
        uint64 presaleStart;
        uint64 presaleEnd;
        // Merkle root (includes address, quantity, and price data for each entry)
        bytes32 presaleMerkleRoot;
        // Limit public sale to a specific number of mints per wallet
        uint256 maxSalePurchasePerAddress;
        // Information about the rest of the supply
        // Total that have been minted
        uint256 totalMinted;
        // The total supply available
        uint256 maxSupply;
    }

    /// @notice Return value for sales details to use with front-ends
    struct ERC20SaleDetails {
        /// @notice Synthesized status variables for sale
        bool publicSaleActive;
        /// @notice Synthesized status variables for presale
        bool presaleActive;
        /// @notice Price for public sale
        uint256 publicSalePrice;
        /// @notice ERC20 contract address for payment. address(0) for ETH.
        address erc20PaymentToken;
        /// @notice public sale start
        uint64 publicSaleStart;
        /// @notice public sale end
        uint64 publicSaleEnd;
        /// @notice Timed sale actions for presale start
        uint64 presaleStart;
        /// @notice Timed sale actions for presale end
        uint64 presaleEnd;
        /// @notice Merkle root (includes address, quantity, and price data for each entry)
        bytes32 presaleMerkleRoot;
        /// @notice Limit public sale to a specific number of mints per wallet
        uint256 maxSalePurchasePerAddress;
        /// @notice Total that have been minted
        uint256 totalMinted;
        /// @notice The total supply available
        uint256 maxSupply;
    }

    /// @notice Return type of specific mint counts and details per address
    struct AddressMintDetails {
        /// Number of total mints from the given address
        uint256 totalMints;
        /// Number of presale mints from the given address
        uint256 presaleMints;
        /// Number of public mints from the given address
        uint256 publicMints;
    }

    /// @notice External purchase function (payable in eth)
    /// @param quantity to purchase
    /// @return first minted token ID
    function purchase(uint256 quantity) external payable returns (uint256);

    /// @notice External purchase presale function (takes a merkle proof and matches to root) (payable in eth)
    /// @param quantity to purchase
    /// @param maxQuantity can purchase (verified by merkle root)
    /// @param pricePerToken price per token allowed (verified by merkle root)
    /// @param merkleProof input for merkle proof leaf verified by merkle root
    /// @return first minted token ID
    function purchasePresale(
        uint256 quantity,
        uint256 maxQuantity,
        uint256 pricePerToken,
        bytes32[] memory merkleProof
    ) external payable returns (uint256);

    /// @notice Function to return the global sales details for the given drop
    function saleDetails() external view returns (ERC20SaleDetails memory);

    /// @notice Function to return the specific sales details for a given address
    /// @param minter address for minter to return mint information for
    function mintedPerAddress(
        address minter
    ) external view returns (AddressMintDetails memory);

    /// @notice This is the opensea/public owner setting that can be set by the contract admin
    function owner() external view returns (address);

    /// @notice Update the metadata renderer
    /// @param newRenderer new address for renderer
    /// @param setupRenderer data to call to bootstrap data for the new renderer (optional)
    function setMetadataRenderer(
        IMetadataRenderer newRenderer,
        bytes memory setupRenderer
    ) external;

    /// @notice This is an admin mint function to mint a quantity to a specific address
    /// @param to address to mint to
    /// @param quantity quantity to mint
    /// @return the id of the first minted NFT
    function adminMint(address to, uint256 quantity) external returns (uint256);

    /// @notice This is an admin mint function to mint a single nft each to a list of addresses
    /// @param to list of addresses to mint an NFT each to
    /// @return the id of the first minted NFT
    function adminMintAirdrop(address[] memory to) external returns (uint256);

    /// @dev Getter for admin role associated with the contract to handle metadata
    /// @return boolean if address is admin
    function isAdmin(address user) external view returns (bool);
}

File 18 of 21 : IMetadataRenderer.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.15;

/**
 ██████╗██████╗ ███████╗ █████╗  ██████╗ ██████╗ ███████╗
██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝
██║     ██████╔╝█████╗  ╚█████╔╝██║   ██║██████╔╝███████╗
██║     ██╔══██╗██╔══╝  ██╔══██╗██║   ██║██╔══██╗╚════██║
╚██████╗██║  ██║███████╗╚█████╔╝╚██████╔╝██║  ██║███████║
 ╚═════╝╚═╝  ╚═╝╚══════╝ ╚════╝  ╚═════╝ ╚═╝  ╚═╝╚══════╝                                                     
 */

/// @dev credit: https://github.com/ourzora/zora-drops-contracts
interface IMetadataRenderer {
    function tokenURI(uint256) external view returns (string memory);

    function contractURI() external view returns (string memory);

    function initializeWithData(bytes memory initData) external;
}

File 19 of 21 : IOwnable.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.15;

/**
 ██████╗██████╗ ███████╗ █████╗  ██████╗ ██████╗ ███████╗
██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝
██║     ██████╔╝█████╗  ╚█████╔╝██║   ██║██████╔╝███████╗
██║     ██╔══██╗██╔══╝  ██╔══██╗██║   ██║██╔══██╗╚════██║
╚██████╗██║  ██║███████╗╚█████╔╝╚██████╔╝██║  ██║███████║
 ╚═════╝╚═╝  ╚═╝╚══════╝ ╚════╝  ╚═════╝ ╚═╝  ╚═╝╚══════╝                                                     
 */

/// @dev Contract module which provides a basic access control mechanism, where
/// @dev there is an account (an owner) that can be granted exclusive access to
/// @dev specific functions.
/// @dev This ownership interface matches OZ's ownable interface.
/// @dev credit: https://github.com/ourzora/zora-drops-contracts
interface IOwnable {
    event OwnershipTransferred(
        address indexed previousOwner,
        address indexed newOwner
    );

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() external view returns (address);
}

File 20 of 21 : ERC721DropStorageV1.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.15;

import {IERC721Drop} from "../interfaces/IERC721Drop.sol";

/**
 ██████╗██████╗ ███████╗ █████╗  ██████╗ ██████╗ ███████╗
██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝
██║     ██████╔╝█████╗  ╚█████╔╝██║   ██║██████╔╝███████╗
██║     ██╔══██╗██╔══╝  ██╔══██╗██║   ██║██╔══██╗╚════██║
╚██████╗██║  ██║███████╗╚█████╔╝╚██████╔╝██║  ██║███████║
 ╚═════╝╚═╝  ╚═╝╚══════╝ ╚════╝  ╚═════╝ ╚═╝  ╚═╝╚══════╝                                                     
 */

/// @dev origin: https://github.com/ourzora/zora-drops-contracts
contract ERC721DropStorageV1 {
    /// @notice Configuration for NFT minting contract storage
    IERC721Drop.Configuration public config;

    /// @notice Sales configuration
    IERC721Drop.SalesConfiguration public salesConfig;

    /// @notice Burn configuration
    IERC721Drop.BurnConfiguration public burnConfig;

    /// @dev Mapping for presale mint counts by address to allow public mint limit
    mapping(address => uint256) public presaleMintsByAddress;
}

File 21 of 21 : OwnableSkeleton.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.15;

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

/**
 ██████╗██████╗ ███████╗ █████╗  ██████╗ ██████╗ ███████╗
██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝
██║     ██████╔╝█████╗  ╚█████╔╝██║   ██║██████╔╝███████╗
██║     ██╔══██╗██╔══╝  ██╔══██╗██║   ██║██╔══██╗╚════██║
╚██████╗██║  ██║███████╗╚█████╔╝╚██████╔╝██║  ██║███████║
 ╚═════╝╚═╝  ╚═╝╚══════╝ ╚════╝  ╚═════╝ ╚═╝  ╚═╝╚══════╝                                                     
 */

/// @dev Contract module which provides a basic access control mechanism, where
/// @dev there is an account (an owner) that can be granted exclusive access to
/// @dev specific functions.
/// @dev This ownership interface matches OZ's ownable interface.
/// @dev credit: https://github.com/ourzora/zora-drops-contracts
contract OwnableSkeleton is IOwnable {
    address private _owner;

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    function _setOwner(address newAddress) internal {
        emit OwnershipTransferred(_owner, newAddress);
        _owner = newAddress;
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "london",
  "remappings": [
    ":@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    ":@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    ":ERC721A-Upgradeable/=lib/ERC721A-Upgradeable/contracts/",
    ":ERC721A/=lib/ERC721A/contracts/",
    ":ds-test/=lib/ds-test/src/",
    ":erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    ":forge-std/=lib/forge-std/src/",
    ":openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    ":openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/"
  ],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_cre8orsClaimContractAddress","type":"address"},{"internalType":"address","name":"_cre8orsPassportContractAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"claimPassport","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]

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

Deployed Bytecode

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000502aa9a163fdec9ac40e5b7d9e469e78383226ca000000000000000000000000d9635b70724b9f618a7bb37c7be182117b1f0dc1

-----Decoded View---------------
Arg [0] : _cre8orsClaimContractAddress (address): 0x502Aa9a163FdEc9AC40e5B7D9E469e78383226cA
Arg [1] : _cre8orsPassportContractAddress (address): 0xD9635b70724b9F618A7Bb37c7BE182117B1F0dc1

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000502aa9a163fdec9ac40e5b7d9e469e78383226ca
Arg [1] : 000000000000000000000000d9635b70724b9f618a7bb37c7be182117b1f0dc1


Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
Loading...
Loading
[ Download: CSV Export  ]

A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.