Contract 0x0c65c3051056DF153f1c12E57a070B8D9d4D4059 1

 
 
Txn Hash
Method
Block
From
To
Value
0x7d08302b0f93ca746f27d0f8f333bf42277d70e959611a328b55cb0aad094effSet Approval For...160855432022-11-30 21:40:475 days 20 mins ago0x872f60cc72d568c497d2f6bfeba1492fb1064d68 IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.0003638 13.78453314
0x0bfa9b30847b268b0a51ade808aa1c7521886962dd1bb69dde257c50d4cda111Set Approval For...160855362022-11-30 21:39:235 days 22 mins ago0x872f60cc72d568c497d2f6bfeba1492fb1064d68 IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00035609 13.49238187
0xf08a3563ef6cb7659e2b3bfa06414bd9413fadb918a30f7cb9bfcbe384a16006Set Approval For...160855292022-11-30 21:37:595 days 23 mins ago0x872f60cc72d568c497d2f6bfeba1492fb1064d68 IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.0003672 13.91333904
0xbfa3fde9cedf107efd54cf60396ce26cd99e601cd4a28504f821756e1ddf6fd9Set Approval For...160852502022-11-30 20:41:235 days 1 hr ago0x872f60cc72d568c497d2f6bfeba1492fb1064d68 IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00066368 14.33698566
0x0f1b56a1e3e03805981d153e82293c86c8c20fabde692f2bd1ed750b29455363Set Approval For...160631602022-11-27 18:37:478 days 3 hrs agoENS Name 0xjitt.eth IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00058026 12.53806424
0x6423331c3cd1e6ffcb2e0a61e98d851647390b74c9d2648d07607e64b00a498bSet Approval For...159429122022-11-10 23:30:2324 days 22 hrs ago0xef54cc23f3709b0d68bba422038152d572bff830 IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00076564 16.5694298
0x8780500ac13acd9bb969db675748effc809ce110294b40582fdc05f2f8008b56Set Approval For...158070362022-10-22 23:49:5943 days 22 hrs agoENS Name chefsoysauce.eth IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00067742 14.63375924
0x15ae057aaecd841c4245071963fa6ed18ac3aebde0b6b091cf9515c9317e72e6Set Approval For...156957352022-10-07 10:49:2359 days 11 hrs ago0x5d1b6053dc3e33d8171a68f0724e4013d34a9c7c IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00028527 6.17370172
0x02c52ab5fdaf19d27b7e4f4010f98854b8339de85434b27ce2a3a49974e39ee2Safe Transfer Fr...156918942022-10-06 21:58:1160 days 3 mins agoENS Name fairlyreliable.eth IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00079934 8.08983156
0x31844e26113a476f6b7e2a4dfcd0e1d3aacfdefad9fe72cdbf629aeec9ea97f0Set Approval For...155608602022-09-18 13:54:3578 days 8 hrs ago0xd9968dfdf930463fffb8059b917e89220c0e05ae IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00032339 6.99874873
0x8548f045c23562e6c76e4197d4da7f70ee991bab84152e7432c01917fe12bc38Set Approval For...155249122022-09-13 4:24:1483 days 17 hrs agoENS Name dominantdinosaur.eth IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00032991 7.12676339
0xbca279a4a95a5c281710db9c863d3ed948aad331fb4b73692019b43c262207fbSet Approval For...154867032022-09-06 22:32:5789 days 23 hrs agoENS Name punkbuddah.eth IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00091912 19.89098425
0x2baf99507c5ca6f32af6a37864f090ee7b18d23e1a355e8c241056445e9c1c73Set Approval For...154717022022-09-04 12:42:1792 days 9 hrs agoENS Name enspremiumdomains.eth IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00058031 12.55882616
0x436877dfde7b89c3dd682df50d86c6b5ef33e47db10c63105fbe954fa7ffc84bSet Approval For...154301162022-08-28 21:15:4399 days 45 mins agoENS Name corwin43.eth IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00031753 6.87187879
0xc9e45800b3ee5742faaf5802e645b83655e28501ce49e722e521908adbf92d17Set Approval For...154287262022-08-28 15:53:3199 days 6 hrs agoENS Name zeltakan.eth IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00027291 5.90618863
0x3089bc8a0b705cab2bca2d86bdae077a3a3a8aee22434b1df5f384bde8c3e64bSet Approval For...154260842022-08-28 5:51:0299 days 16 hrs agoENS Name magapeng.eth IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00018483 4
0x0e37af274fe3fc82239a34be7a531f7abc1614e94d72232a7751d8e7ade1ca6aSet Approval For...154184352022-08-27 0:16:58100 days 21 hrs agoENS Name punkbuddah.eth IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.000516 11.14665
0x601e2b3fa2cb2936fd7fe2f4e1e55739591f03abacf85440edc8787a1aba18aaSet Approval For...153638762022-08-18 8:11:45109 days 13 hrs agoENS Name dominantdinosaur.eth IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00040939 8.8598109
0x27f5e6a07f34c4166b50c98fab85866d2af47dab1d91737288f23f5f1e0d7bcaSet Approval For...153413312022-08-14 18:25:36113 days 3 hrs ago0xb8099cde6f1887d9fd57a904534eeebfca520696 IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00058881 12.74260816
0x0229f3508eec7dc95e19a42d0fcffd922cd13d3366c5219d691e71cb1dc087abSet Approval For...153334582022-08-13 12:36:55114 days 9 hrs ago0x0b175a06961b0e11c73a3ac9a0947bdb6769cf00 IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00034199 7.40120357
0x68ba9db8f35f89955218cb4c7f1434159a5a5e4ac78a83788d68028e9f301a53Set Approval For...153140872022-08-10 11:31:35117 days 10 hrs ago0xfd114beedf4b7dba7722001d737151b5974be06a IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00086088 18.63060278
0xc77e34a918abc884c0ca9c92487433fb46d8180de8682647b1101c60bb19f00fSet Approval For...152602762022-08-02 1:56:58125 days 20 hrs ago0xd210a01936a901c79254de8fc693f743e5757f8f IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00070892 15.34193213
0xd4705b592d375cc41d7a62ceb57d38448a4df690130e473b031fac65e2035f8aSet Approval For...152512832022-07-31 16:19:22127 days 5 hrs ago0x1dd915aa6d634f67b4356f5a9c25fe7035966371 IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00062346 13.49259997
0xcd35d46f7b3134be650ab637a6951ad3d250c73e01396341b474563ca46b0a1bSet Approval For...152251092022-07-27 14:35:47131 days 7 hrs ago0x46b4f7a2e9b025849afda35f1d94a0c75e037210 IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00043392 17.85982016
0xade290a6d7cebdeeaad4a7baa4c4e6275e2f9df7881e63618de1c4955c5b7eaeSet Approval For...152251062022-07-27 14:34:18131 days 7 hrs ago0x46b4f7a2e9b025849afda35f1d94a0c75e037210 IN  0x0c65c3051056df153f1c12e57a070b8d9d4d40590 Ether0.00034103 13.98846129
[ Download CSV Export 
Latest 2 internal transactions
Parent Txn Hash Block From To Value
0x4af4b96a9137071b2c976d999bcde3e9e6d1a61376adad8c97e70a0196c10762144539392022-03-25 6:59:22255 days 15 hrs ago 0x0c65c3051056df153f1c12e57a070b8d9d4d4059 0x9513d91d36dcc991225267227d95c388126d120d1.715 Ether
0xad05b023bf71472a8fa876c5efdec2c142b9b469f9ff8374e9a4318919727770144290052022-03-21 9:54:34259 days 12 hrs ago 0x0c65c3051056df153f1c12e57a070b8d9d4d4059 0x9513d91d36dcc991225267227d95c388126d120d6.61 Ether
[ Download CSV Export 
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
BladeRunnerPunkBacks

Compiler Version
v0.8.10+commit.fc410830

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license
File 1 of 18 : BladeRunnerPunkBacks.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;

import "AccessControlEnumerable.sol";
import "ECDSA.sol";
import "BitMaps.sol";
import "UnburnableERC721.sol";


interface IERC20 {
    function balanceOf(address account) external view returns (uint256);

    function transfer(address recipient, uint256 amount) external returns (bool);
}

contract BladeRunnerPunkBacks is UnburnableERC721, AccessControlEnumerable {

    using ECDSA for bytes32;
    using BitMaps for BitMaps.BitMap;
    using Strings for uint256;

    // Limit on totalSupply. Initialized on deployment.
    uint256 public immutable collectionSize;

    // Predetermined account that gets the profits. Set on deploy and cannot be changed.
    address payable public immutable beneficiary;

    // URI base for token metadata.
    string public baseURI;
    string public tokenURISuffix = ".json";

    // Minting price of one token.
    uint256 private _price;

    // Unix epoch seconds. Tokens may be minted until this moment.
    uint256 private _priceValidUntil;

    // Minting requires a valid signature by signer. (Off-chain whitelist check, etc.)
    address private signer;

    // Every minting slot can only be used once. Mark used slots in a BitMap.
    BitMaps.BitMap private _slots;


    event SignerChanged(address newSigner);
    event MintPriceChanged(uint256 newPrice, uint newPriceValidUntil);


    constructor(
        string memory name, string memory symbol, string memory baseTokenURI, uint256 mintPrice,
        uint256 priceValidUntil, uint256 max, address admin, address payable beneficiary_, address signer_
    ) UnburnableERC721(name, symbol) {
        collectionSize = max;
        baseURI = baseTokenURI;
        beneficiary = beneficiary_;
        signer = signer_;
        _setupRole(DEFAULT_ADMIN_ROLE, admin);
        setPrice(mintPrice, priceValidUntil);
    }

    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
        return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString(), tokenURISuffix)) : "";
    }

    function setBaseURI(string memory baseURI_) external onlyRole(DEFAULT_ADMIN_ROLE) {
        baseURI = baseURI_;
    }

    function setTokenURISuffix(string memory suffix) external onlyRole(DEFAULT_ADMIN_ROLE) {
        tokenURISuffix = suffix;
    }

    // @notice Set minting price and until what timestamp (in epoch seconds) is the minting open with this price.
    function setPrice(uint256 mintPrice, uint256 priceValidUntil) public onlyRole(DEFAULT_ADMIN_ROLE) {
        _price = mintPrice;
        _priceValidUntil = priceValidUntil;
        emit MintPriceChanged(_price, _priceValidUntil);
    }

    // @return The minting price and the closing time in unix epoch seconds.
    function price() public view returns (uint256, uint256) {
        return (_price, _priceValidUntil);
    }

    // @notice Set a new signer address that is use to sign minting permits.
    function changeSigner(address newSigner) external onlyRole(DEFAULT_ADMIN_ROLE) {
        signer = newSigner;
        emit SignerChanged(signer);
    }

    // @notice Check if a minting slot is used.
    // @return true if the minting slot is used.
    function slotUsed(uint256 slotId) public view returns (bool) {
        return _slots.get(slotId);
    }

    function mint(uint256 amount, uint256 slotId, uint256 validUntil, bytes memory signature) external payable {
        // Check signature.
        require(_canMint(msg.sender, amount, slotId, validUntil, signature), "NFT: Must have valid signing");

        // Check amount.
        require(totalSupply() + amount <= collectionSize, "NFT: Cannot mint over collection size");

        // Check price.
        require(msg.value >= (amount * _price), "NFT: Insufficient eth sent");

        // Check temporal validity.
        require(block.timestamp <= validUntil, "NFT: Slot must be used before expiration time");
        require(block.timestamp <= _priceValidUntil, "NFT: The price has expired");

        // Check if the slot is still free and mark it used.
        require(!_slots.get(slotId), "NFT: Slot already used");
        _slots.set(slotId);

        // Mint.
        _safeMintMany(msg.sender, amount);
    }

    function supportsInterface(bytes4 interfaceId) public view override(AccessControlEnumerable, UnburnableERC721) returns (bool){
        return AccessControlEnumerable.supportsInterface(interfaceId) || UnburnableERC721.supportsInterface(interfaceId);
    }

    function _canMint(address minter, uint256 amount, uint256 slotId, uint256 validUntil, bytes memory signature) internal view returns (bool) {
        return keccak256(abi.encodePacked(minter, amount, slotId, validUntil)).toEthSignedMessageHash().recover(signature) == signer;
    }

    // @notice Rescue other tokens sent accidentally to this contract.
    function rescueERC721(IERC721 tokenToRescue, uint256 tokenId) external onlyRole(DEFAULT_ADMIN_ROLE) {
        tokenToRescue.safeTransferFrom(address(this), _msgSender(), tokenId);
    }

    // @notice Rescue other tokens sent accidentally to this contract.
    function rescueERC20(IERC20 tokenToRescue) external onlyRole(DEFAULT_ADMIN_ROLE) {
        tokenToRescue.transfer(_msgSender(), tokenToRescue.balanceOf(address(this)));
    }

    // @notice Send all of the native currency to predetermined beneficiary.
    function release() external {
        Address.sendValue(beneficiary, address(this).balance);
    }

}

File 2 of 18 : AccessControlEnumerable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/AccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "IAccessControlEnumerable.sol";
import "AccessControl.sol";
import "EnumerableSet.sol";

/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessControl {
    using EnumerableSet for EnumerableSet.AddressSet;

    mapping(bytes32 => EnumerableSet.AddressSet) private _roleMembers;

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

    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) public view override returns (address) {
        return _roleMembers[role].at(index);
    }

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) public view override returns (uint256) {
        return _roleMembers[role].length();
    }

    /**
     * @dev Overload {_grantRole} to track enumerable memberships
     */
    function _grantRole(bytes32 role, address account) internal virtual override {
        super._grantRole(role, account);
        _roleMembers[role].add(account);
    }

    /**
     * @dev Overload {_revokeRole} to track enumerable memberships
     */
    function _revokeRole(bytes32 role, address account) internal virtual override {
        super._revokeRole(role, account);
        _roleMembers[role].remove(account);
    }
}

File 3 of 18 : IAccessControlEnumerable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "IAccessControl.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IAccessControlEnumerable is IAccessControl {
    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) external view returns (address);

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) external view returns (uint256);
}

File 4 of 18 : 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 5 of 18 : AccessControl.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "IAccessControl.sol";
import "Context.sol";
import "Strings.sol";
import "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, _msgSender());
        _;
    }

    /**
     * @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 override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @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 {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(uint160(account), 20),
                        " 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 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.
     */
    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.
     */
    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`.
     */
    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.
     *
     * [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.
     */
    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.
     */
    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 18 : 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 7 of 18 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

File 8 of 18 : 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 9 of 18 : 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 10 of 18 : EnumerableSet.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/structs/EnumerableSet.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastvalue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastvalue;
                // Update the index for the moved value
                set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        return _values(set._inner);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        assembly {
            result := store
        }

        return result;
    }
}

File 11 of 18 : ECDSA.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s;
        uint8 v;
        assembly {
            s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
            v := add(shr(255, vs), 27)
        }
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

File 12 of 18 : BitMaps.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/structs/BitMaps.sol)
pragma solidity ^0.8.0;

/**
 * @dev Library for managing uint256 to bool mapping in a compact and efficient way, providing the keys are sequential.
 * Largelly inspired by Uniswap's https://github.com/Uniswap/merkle-distributor/blob/master/contracts/MerkleDistributor.sol[merkle-distributor].
 */
library BitMaps {
    struct BitMap {
        mapping(uint256 => uint256) _data;
    }

    /**
     * @dev Returns whether the bit at `index` is set.
     */
    function get(BitMap storage bitmap, uint256 index) internal view returns (bool) {
        uint256 bucket = index >> 8;
        uint256 mask = 1 << (index & 0xff);
        return bitmap._data[bucket] & mask != 0;
    }

    /**
     * @dev Sets the bit at `index` to the boolean `value`.
     */
    function setTo(
        BitMap storage bitmap,
        uint256 index,
        bool value
    ) internal {
        if (value) {
            set(bitmap, index);
        } else {
            unset(bitmap, index);
        }
    }

    /**
     * @dev Sets the bit at `index`.
     */
    function set(BitMap storage bitmap, uint256 index) internal {
        uint256 bucket = index >> 8;
        uint256 mask = 1 << (index & 0xff);
        bitmap._data[bucket] |= mask;
    }

    /**
     * @dev Unsets the bit at `index`.
     */
    function unset(BitMap storage bitmap, uint256 index) internal {
        uint256 bucket = index >> 8;
        uint256 mask = 1 << (index & 0xff);
        bitmap._data[bucket] &= ~mask;
    }
}

File 13 of 18 : UnburnableERC721.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;

import "IERC721.sol";
import "IERC721Receiver.sol";
import "IERC721Metadata.sol";
import "IERC721Enumerable.sol";
import "Address.sol";
import "Context.sol";
import "Strings.sol";
import "ERC165.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension and the Enumerable extension. A combination of OpenZeppelin ERC721 and ERC721Enumerable contracts.
 *
 * An NFT contract that implements IERC721, IERC721Metadata and IERC721Enumerable
 * with some properties that allow gas savings on minting.
 * - Tokens can only be minted linearly 0, 1, 2...
 * - Tokens cannot be burned.
 */
contract UnburnableERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
    using Address for address;
    using Strings for uint256;

    //
    // ERC721 storage variables.
    //

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

    //
    // ERC721Enumerable storage variables.
    //

    // Mapping from owner to list of owned token IDs
    mapping(address => mapping(uint256 => uint256)) private _ownedTokens;

    // Mapping from token ID to index of the owner tokens list
    mapping(uint256 => uint256) private _ownedTokensIndex;

    //
    // Extended functionality storage variables.
    //

    // Amount of minted tokens.
    uint256 private _totalSupply;


    //
    // ERC721 functionality.
    //

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

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
        interfaceId == type(IERC721).interfaceId ||
        interfaceId == type(IERC721Metadata).interfaceId ||
        interfaceId == type(IERC721Enumerable).interfaceId ||
        super.supportsInterface(interfaceId);
    }

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

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

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

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

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

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

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

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

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

        _approve(to, tokenId);
    }

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

        return _tokenApprovals[tokenId];
    }

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

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

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

        _transfer(from, to, tokenId);
    }

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

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

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

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

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

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

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

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

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

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

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

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

        _beforeTokenTransfer(from, to, tokenId);

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

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

        emit Transfer(from, to, tokenId);
    }

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

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

    //
    // ERC721Enumerable functionality.
    //

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        require(index < balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
        return _ownedTokens[owner][index];
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        require(index < totalSupply(), "ERC721Enumerable: global index out of bounds");
        return index;
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual /*override*/ {
        //super._beforeTokenTransfer(from, to, tokenId);

        if (from == address(0)) {
            //_addTokenToAllTokensEnumeration(tokenId);
            _totalSupply += 1;
        } else if (from != to) {
            _removeTokenFromOwnerEnumeration(from, tokenId);
        }
        if (to == address(0)) {
            //_removeTokenFromAllTokensEnumeration(tokenId);
            require(false, "burning not supported");
        } else if (to != from) {
            _addTokenToOwnerEnumeration(to, tokenId);
        }
    }

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

    /**
     * @dev Private function to add a token to this extension's ownership-tracking data structures.
     * @param to address representing the new owner of the given token ID
     * @param tokenId uint256 ID of the token to be added to the tokens list of the given address
     */
    function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
        uint256 length = balanceOf(to);
        _ownedTokens[to][length] = tokenId;
        _ownedTokensIndex[tokenId] = length;
    }

    /**
     * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
     * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
     * gas optimizations e.g. when performing a transfer operation (avoiding double writes).
     * This has O(1) time complexity, but alters the order of the _ownedTokens array.
     * @param from address representing the previous owner of the given token ID
     * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
     */
    function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
        // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = balanceOf(from) - 1;
        uint256 tokenIndex = _ownedTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary
        if (tokenIndex != lastTokenIndex) {
            uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];

            _ownedTokens[from][tokenIndex] = lastTokenId;
            // Move the last token to the slot of the to-delete token
            _ownedTokensIndex[lastTokenId] = tokenIndex;
            // Update the moved token's index
        }

        // This also deletes the contents at the last position of the array
        delete _ownedTokensIndex[tokenId];
        delete _ownedTokens[from][lastTokenIndex];
    }


    //
    // Extended functionality.
    //

    function _safeMintMany(address to, uint256 amount) internal virtual {
        _safeMintMany(to, amount, "");
    }

    function _safeMintMany(
        address to,
        uint256 amount,
        bytes memory _data
    ) internal virtual {
        require(to != address(0), "ERC721: mint to the zero address");

        // Predetermine the range of tokens to mint.
        uint256 firstTokenToMint = _totalSupply;
        uint256 afterLastTokenToMint = firstTokenToMint + amount;

        uint256 ownerTokenIndex = _balances[to];

        for (uint256 tokenId = firstTokenToMint; tokenId < afterLastTokenToMint; tokenId++) {
            // Functionality from _mint -> _beforeTokenTransfer -> _addTokenToOwnerEnumeration.
            _ownedTokensIndex[tokenId] = ownerTokenIndex;
            _ownedTokens[to][ownerTokenIndex++] = tokenId;

            // Functionality from _mint.
            _owners[tokenId] = to;
            emit Transfer(address(0), to, tokenId);
        }

        // Balances normally updated in _mint separately for each token.
        _balances[to] += amount;

        // Increment totalSupply. In a single mint would happen in _beforeTokenTransfer.
        _totalSupply += amount;

        // Optimization to skip safe receiver check unless receiver is a contract.
        if (to.isContract()) {
            for (uint256 tokenId = firstTokenToMint; tokenId < afterLastTokenToMint; tokenId++) {
                require(
                    _checkOnERC721Received(address(0), to, tokenId, _data),
                    "ERC721: transfer to non ERC721Receiver implementer"
                );
            }
        }
    }
}

File 14 of 18 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "IERC165.sol";

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

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

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

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

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

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

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

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

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

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

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

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

File 15 of 18 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

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

File 16 of 18 : IERC721Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "IERC721.sol";

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

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

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

File 17 of 18 : IERC721Enumerable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

File 18 of 18 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"string","name":"baseTokenURI","type":"string"},{"internalType":"uint256","name":"mintPrice","type":"uint256"},{"internalType":"uint256","name":"priceValidUntil","type":"uint256"},{"internalType":"uint256","name":"max","type":"uint256"},{"internalType":"address","name":"admin","type":"address"},{"internalType":"address payable","name":"beneficiary_","type":"address"},{"internalType":"address","name":"signer_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newPrice","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newPriceValidUntil","type":"uint256"}],"name":"MintPriceChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newSigner","type":"address"}],"name":"SignerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"beneficiary","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newSigner","type":"address"}],"name":"changeSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"collectionSize","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getRoleMember","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleMemberCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"slotId","type":"uint256"},{"internalType":"uint256","name":"validUntil","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"release","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"tokenToRescue","type":"address"}],"name":"rescueERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC721","name":"tokenToRescue","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"rescueERC721","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"mintPrice","type":"uint256"},{"internalType":"uint256","name":"priceValidUntil","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"suffix","type":"string"}],"name":"setTokenURISuffix","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"slotId","type":"uint256"}],"name":"slotUsed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenURISuffix","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

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

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

-----Decoded View---------------
Arg [0] : name (string): BladeRunner Punks Reverse DNA
Arg [1] : symbol (string): BRPB
Arg [2] : baseTokenURI (string): ipfs://QmYB6wQt1iFNsyupUtmqN5Wy2Eqq3mSnymam3xU4zRSUvr/
Arg [3] : mintPrice (uint256): 10000000000000000
Arg [4] : priceValidUntil (uint256): 1647986400
Arg [5] : max (uint256): 10000
Arg [6] : admin (address): 0x57d179428D721fddFBb3D8Baf017B078EF2Ce6d9
Arg [7] : beneficiary_ (address): 0x9513d91d36dcc991225267227d95C388126d120D
Arg [8] : signer_ (address): 0xEb915D5cB9fD48a2265D07039a475439765Ce677

-----Encoded View---------------
16 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000120
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000160
Arg [2] : 00000000000000000000000000000000000000000000000000000000000001a0
Arg [3] : 000000000000000000000000000000000000000000000000002386f26fc10000
Arg [4] : 00000000000000000000000000000000000000000000000000000000623a46e0
Arg [5] : 0000000000000000000000000000000000000000000000000000000000002710
Arg [6] : 00000000000000000000000057d179428d721fddfbb3d8baf017b078ef2ce6d9
Arg [7] : 0000000000000000000000009513d91d36dcc991225267227d95c388126d120d
Arg [8] : 000000000000000000000000eb915d5cb9fd48a2265d07039a475439765ce677
Arg [9] : 000000000000000000000000000000000000000000000000000000000000001d
Arg [10] : 426c61646552756e6e65722050756e6b73205265766572736520444e41000000
Arg [11] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [12] : 4252504200000000000000000000000000000000000000000000000000000000
Arg [13] : 0000000000000000000000000000000000000000000000000000000000000036
Arg [14] : 697066733a2f2f516d5942367751743169464e7379757055746d714e35577932
Arg [15] : 457171336d536e796d616d337855347a52535576722f00000000000000000000


Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.

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.