Contract 0x0bC2A24ce568DAd89691116d5B34DEB6C203F342

 
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0xa0a2bd2d3d665fd8693b57d68cd25dcca26c58bd73f8dcbd36f48a5ee78899e1Set Approval For...156062022022-09-24 22:28:237 hrs 36 mins agoENS Name pandelic.eth IN  Catalog: RECORD Token0 Ether0.00023294 4.56499153
0xd51a7cd8055cd0ab3a9c909dcc4f1c3f60779bb56995eedd273cabfc9d8c87f1Mint156061902022-09-24 22:25:597 hrs 38 mins agoENS Name pandelic.eth IN  Catalog: RECORD Token0 Ether0.0006423 3
0xe460f1fb11b75b77c8764ff6fe60f0b19911f0a294f1ea6ba692d04db78dab5cMint156051022022-09-24 18:47:3511 hrs 16 mins agoENS Name dutchyyy.eth IN  Catalog: RECORD Token0 Ether0.00127841 5.97008237
0xa250b622d25c8a5749c27cb0cef1f1c30bb6e334edfff943413dcee1aae462ceMint156042042022-09-24 15:45:5914 hrs 18 mins agoENS Name jokreg.eth IN  Catalog: RECORD Token0 Ether0.00179464 7.75826291
0xdc5862749f7a9df199166ccbf6780d8ba7678914b3f75b629cb78a3acd085343Mint156010292022-09-24 5:08:231 day 56 mins agoENS Name remcycles.eth IN  Catalog: RECORD Token0 Ether0.00092494 4
0x6c8f2f34784a7cded115293466ab48f913e16da459dff44b17a55900034a2835Safe Transfer Fr...156006622022-09-24 3:54:591 day 2 hrs ago0x262e80e47ae60631857c1000bdfbafcdd971f302 IN  Catalog: RECORD Token0 Ether0.0003369 5.3671532
0x2ec02e05c8b91e414d1aa3f025aaece24145afec1cef25b5fab39e268aaf3961Mint155995242022-09-24 0:06:351 day 5 hrs agoENS Name upperreality.eth IN  Catalog: RECORD Token0 Ether0.00094856 4.42946763
0x0163d085808f67b0ecd60918383eb422ba5f11ff17ca2a7bc6b16ded133fcaebMint155994112022-09-23 23:43:591 day 6 hrs agoENS Name upperreality.eth IN  Catalog: RECORD Token0 Ether0.00133787 5.78544853
0x120f4b04ec8b367852f02d72c2fd2027a113892469a3a295745ce426ee76a137Mint155909132022-09-22 19:16:592 days 10 hrs agoENS Name tomvek.eth IN  Catalog: RECORD Token0 Ether0.00464519 20.09157657
0x66236301653eb6b083e5ffd8f23a89a4f8c68dba4e8275be2f739ba78d76b99fSet Approval For...155898562022-09-22 15:44:592 days 14 hrs agoENS Name verite.eth IN  Catalog: RECORD Token0 Ether0.0013268 26.00090234
0x0d37f101fd8f158d5acbc9b64a7c93d1a317e82e725fdc14164e9932ba5b5d4cMint155898352022-09-22 15:40:352 days 14 hrs agoENS Name verite.eth IN  Catalog: RECORD Token0 Ether0.00536977 23.47748693
0x26c111a7046f1dad2896645877da36bfb71323a10cf12b5fb1662cecfb43d9d6Mint155843292022-09-21 21:09:593 days 8 hrs ago0xe5abae299a5530cc9270635402f6e652547896dd IN  Catalog: RECORD Token0 Ether0.00660997 30.86972077
0x09f24b6e691e18bd2d194e3197bc5b058adfbeffcb5f041528ee8e31c75e7a41Mint155842272022-09-21 20:49:353 days 9 hrs ago0xe5abae299a5530cc9270635402f6e652547896dd IN  Catalog: RECORD Token0 Ether0.00257598 11.1411779
0xd5861bee328df4a10a04efaad855c732b588f75a72803d00443e8015b20bd073Set Approval For...155801022022-09-21 6:44:113 days 23 hrs ago0x83859ad182b99cd1f755c1e746d3df8380363d65 IN  Catalog: RECORD Token0 Ether0.00059166 11.59477821
0x10349c4d4f71fd4e4de631f6b67064cb79ce3a41fc1a3f6091b2929eee31861fMint155800872022-09-21 6:40:473 days 23 hrs ago0x83859ad182b99cd1f755c1e746d3df8380363d65 IN  Catalog: RECORD Token0 Ether0.00222967 9.64288197
0x8a3393362b7172b5c675ac27bb24251c7d4a2b7385cbe5e3c33c4ee711a74e77Set Approval For...155773422022-09-20 21:23:234 days 8 hrs ago0xe23758cfa313ad779bb25f0252bc09a65e5890f0 IN  Catalog: RECORD Token0 Ether0.0006214 12.17739152
0xbde75bf536bc16d5e3754d19014fb6ada71281e77ff81e3ad2c1934851eb439dMint155773202022-09-20 21:18:474 days 8 hrs ago0xe23758cfa313ad779bb25f0252bc09a65e5890f0 IN  Catalog: RECORD Token0 Ether0.00279157 12.06796851
0x6e521305a95271976f7e08ab7f3b8b9e12a098946c8a8e97030e2e5653ed844bSafe Transfer Fr...155697622022-09-19 19:53:475 days 10 hrs ago0x1290f0b28f014363a81c3c7c2dff5f7517499e44 IN  Catalog: RECORD Token0 Ether0.00068958 15.0950643
0x62f305d5f1244aa728f4327a033bb76af6a4c4e7c4da774037200b3002c9c0efMint155654562022-09-19 5:23:116 days 41 mins agoMirror: Teen Daze IN  Catalog: RECORD Token0 Ether0.00088548 4.13559872
0x3e3fc1d1a040e745766c8a3d72592fcb78194a9df13fb8ba0fc65ccf486a5be3Mint155654452022-09-19 5:20:596 days 43 mins agoMirror: Teen Daze IN  Catalog: RECORD Token0 Ether0.00081546 3.52689712
0xfeada0e82ca1d780b041e09c4c7b6d3729afa28247796430499ad2a3cc5361acMint155654192022-09-19 5:15:476 days 48 mins agoMirror: Teen Daze IN  Catalog: RECORD Token0 Ether0.00088507 3.82796836
0x29164ae534571eb6fd48752f90e4d6c2db2d7e8e0b1af1a32661034d0a4538bfMint155653952022-09-19 5:10:596 days 53 mins agoMirror: Teen Daze IN  Catalog: RECORD Token0 Ether0.00088598 3.83188113
0x92cc15069c0e2cee6f60b8afa60db191bfd4f28d9b35a58c74c75da9ddd4e4a4Mint155636002022-09-18 23:08:356 days 6 hrs agoMirror: Teen Daze IN  Catalog: RECORD Token0 Ether0.00175463 7.58881048
0xfe39c7bcb6b080d50040835b6dcba6cce24dcf9f669ec03deea22aa01dc79410Mint155589572022-09-18 7:30:596 days 22 hrs ago0x1b738ef021f95f26860a9be4031613eebe754434 IN  Catalog: RECORD Token0 Ether0.00092494 4
0xd178caee72e33af2f1fd08ef8cd165b353d17b5d45d66a2c2ff3705942966b04Mint155555412022-09-17 20:00:477 days 10 hrs agoMirror: Teen Daze IN  Catalog: RECORD Token0 Ether0.00198481 8.58433622
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OVERVIEW

Catalog believe music is valuable, and how discover it matters. Catalog create new value models, discovery tools, and listening spaces to enable a more equitable music system, so artists can focus on what they care about most: making music.

Latest 1 internal transaction
Parent Txn Hash Block From To Value
0x66d05f2ba2d0f99032eabfcd88ffa46dfff3c6dc1a7e28771417cdfb38ff60b2153568752022-08-17 5:29:5439 days 34 mins ago Coinbase 10 Catalog: RECORD Token0.00500043 Ether
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Contract Source Code Verified (Exact Match)

Contract Name:
CatalogProxy

Compiler Version
v0.8.13+commit.abaa5c0e

Optimization Enabled:
Yes with 1000 runs

Other Settings:
default evmVersion, MIT license
File 1 of 7 : draft-IERC1822.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822Proxiable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}

File 2 of 7 : ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

import "../beacon/IBeacon.sol";
import "../../interfaces/draft-IERC1822.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 *
 * @custom:oz-upgrades-unsafe-allow delegatecall
 */
abstract contract ERC1967Upgrade {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Returns the current implementation address.
     */
    function _getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        _upgradeTo(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCallUUPS(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        // Upgrades from old implementations will perform a rollback test. This test requires the new
        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
        // this special case will break upgrade paths from old UUPS implementation to new ones.
        if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
            _setImplementation(newImplementation);
        } else {
            try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
                require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
            } catch {
                revert("ERC1967Upgrade: new implementation is not UUPS");
            }
            _upgradeToAndCall(newImplementation, data, forceCall);
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Returns the current admin.
     */
    function _getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     */
    function _changeAdmin(address newAdmin) internal {
        emit AdminChanged(_getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Emitted when the beacon is upgraded.
     */
    event BeaconUpgraded(address indexed beacon);

    /**
     * @dev Returns the current beacon.
     */
    function _getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
        require(
            Address.isContract(IBeacon(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(
        address newBeacon,
        bytes memory data,
        bool forceCall
    ) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        }
    }
}

File 3 of 7 : Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overriden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overriden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

File 4 of 7 : IBeacon.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

File 5 of 7 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @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
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 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);
            }
        }
    }
}

File 6 of 7 : StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/StorageSlot.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        assembly {
            r.slot := slot
        }
    }
}

File 7 of 7 : CatalogProxy.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.9;

import {Proxy} from "@openzeppelin/contracts/proxy/Proxy.sol";
import {ERC1967Upgrade} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol";

/**
 * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
 * implementation address that can be changed. This address is stored in storage in the location specified by
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
 * implementation behind the proxy.
 */
contract CatalogProxy is Proxy, ERC1967Upgrade {
    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
     *
     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
     * function call, and allows initializating the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) payable {
        assert(
            _IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1)
        );
        _upgradeToAndCall(_logic, _data, false);
    }

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal view virtual override returns (address impl) {
        return ERC1967Upgrade._getImplementation();
    }
}

Settings
{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

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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] : _logic (address): 0x317094a94b60277c08bfef1cdbbf054e6a2c94ed
Arg [1] : _data (bytes): 0x4cd88b76000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000007436174616c6f670000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000065245434f52440000000000000000000000000000000000000000000000000000

-----Encoded View---------------
10 Constructor Arguments found :
Arg [0] : 000000000000000000000000317094a94b60277c08bfef1cdbbf054e6a2c94ed
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000c4
Arg [3] : 4cd88b7600000000000000000000000000000000000000000000000000000000
Arg [4] : 0000004000000000000000000000000000000000000000000000000000000000
Arg [5] : 0000008000000000000000000000000000000000000000000000000000000000
Arg [6] : 00000007436174616c6f67000000000000000000000000000000000000000000
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [8] : 000000065245434f524400000000000000000000000000000000000000000000
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000000


Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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