ERC-721
Overview
Max Total Supply
390 24ART
Holders
323
Market
Volume (24H)
0.1 ETH
Min Price (24H)
$383.65 @ 0.100000 ETH
Max Price (24H)
$383.65 @ 0.100000 ETH
Other Info
Token Contract
Balance
1 24ARTLoading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
TwentyFourHoursOfArt
Compiler Version
v0.8.19+commit.7dd6d404
Optimization Enabled:
Yes with 20000 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT /// @title 24 Hours of Art /// @author transientlabs.xyz /*◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺ ◹◺ ◹◺ ◹◺ ╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╠╬╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╠╩╩╚╙ΓΓ░░░│││││ ◹◺ ◹◺ ╬╬╬╬╬╬╬╬╬╬╬╬╬╬╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╠╬╬╬╬╬╬╬╠╬╠╠╠╠╠╠╩╩╩╚╚░░Γ░░░░''░░│││││││ ◹◺ ◹◺ ╬╬╬╬╬╬╬╬╬╬╬╬╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╠╠╠╬╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╚╚╚╚░░░░░░░░'''''.'___░░░│││││ ◹◺ ◹◺ ╬╬╬╬╬╬╬╬╬╬╬╬╠╬╬╬╬╬╬╬╬╬╬╬╠╬╠╠╠╠╠╠╠╠╠╠╠╠░╠▒░░░░░░░Γ░Γ░░░'''___________.│___''░░│││ ◹◺ ◹◺ ╬╬╬╬╬╬╬╬╠╬╬╬╬╬╬╬╬╬╬╠╬╠╠╠╠╠╠╠▒▒▒▒░░░░░░░░░░░░░░░░''___________________'''___!│░░│ ◹◺ ◹◺ ╬╬╬╬╠╬╠╬╬╬╬╬╬╬╬╠╠╠╠╠╠╠▒▒▒░░░░░░░Γ░░░░░░░''''_______________________'___'_│_'''¡░ ◹◺ ◹◺ ╬╬╬╠╬╬╬╬╬╬╬╠╠╠╠╠╠▒▒░░░░░░░░░░░░░░'''_______ __ ____________________'____'░___'' ◹◺ ◹◺ ╬╬╬╬╬╠╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙╙"╙"╙.│___ ◹◺ ◹◺ ╬╬╬╬╣██▀████▓▓▓▓▓████▓█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓ ░_'_' ◹◺ ◹◺ ╬╬╬╬▓██b║╬╬╬╠╬╬╬╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╠╩╩╩╩╩╚╚╚╚╚╚╚╚╚╚╚╚╚╚░░░╚╚╚╚░░╚░░╚░╟█ _____ ◹◺ ◹◺ ╬╬╬╬╣██b║╠╬╬╬╬╬╬╬╬╬╬╬╠╠╠╠╠╠╠╠▒╚░░░░░ΓΓ░░Γ░░░░░░░░░░░░"'│'"'│░░░░░░░░░░░╟█ _____ ◹◺ ◹◺ ╬╬╬╬╣██b╞╬╬╬╬╬╬╠╬╠╠╠╠▒▌╬▒▒▒╬▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄╬█ _____ ◹◺ ◹◺ ╠╬╬╬╣██L╞╬╬╬╠╬╬╠╬╬╬╬╣▓█▄▓╬╬▓███████████████████████████████████████████▓╫ _____ ◹◺ ◹◺ ╠╬╠╬╣██L╞╬╬╬╬╬╬╬╬╬╬╣████▌╣╬╬╣██████████████████████████████████████████▓╫ ____. ◹◺ ◹◺ ╠╬╬╠╣██Γ╞╬╠╬╠╬╬╬╬╬╣███████║╬╬╟█████████████████████████████████████████╬█ __'_' ◹◺ ◹◺ ╬╬╬╠╣██Γ╞╠╬╬╬╬╬╬╬╣█████████╚╠╠╠╬╬╬╠╠╠╠╠╠▓████████╩░░░░╠╫████████╠░░░░░╠╟█ ____░ ◹◺ ◹◺ ╬╬╬╠╣██Γ╞╬╬╬╬╣╬╬╬███████████╙░░░░▒░▒▒╠▒╠╣████████╞░░░░▒╫████████╠░░▒▒▒▒╟█ __.░░ ◹◺ ◹◺ ╬╬╬╬╣██Γ╞╬╬╬╬╣╣╬█████████████╜░φ▒╣╣▓▓▓▓█████████▌╬░░░░╠╫████████╠░▒▒▒▒╠╟█ ..'░░ ◹◺ ◹◺ ╬╬╬╠╣██Γ╞╬╣▓▓╣▓███████████████╝╬╬╬▓████████████╬▓▒▒▒▒▒╠▓████████╠▒▒╠╠╠╠╟█ ░░░░░ ◹◺ ◹◺ ╬╬╬╠╣██Γ╞▓▓▓▓▓███████╣█████████▄╣╬╬██████████╫▓▒▒▒╠╠╠╠╬▓████████╠╠╠╠╬╬╬╣█ ░░░░░ ◹◺ ◹◺ ╬╬╬╬╣██Γ║▓▓▓▓███████¼▓╣█████████▌█╬╬█████████▄╣╠╠╬╬╬╬╬╬▓████████╠╬╬╬╬╬╬╣█ ░░░░░ ◹◺ ◹◺ ╬╬╬╬╣██▌║▓▓████████]▓╣▓╣█████████▌╫╬╬██████████╚╠╬╬╠╬╬╬▓████████║╬╬╬╬╬╬▓█ ░░░░▒ ◹◺ ◹◺ ╬╬╬╬╣██▌║▓████████]▓╬╣▓▓╬▓█████████║╬╬▓█████████╝╠╬╬╬╬╣█████████║╬╬╬╬╬╣▓█ ░░░▒▒ ◹◺ ◹◺ ╬╬╬╬╣██▌║╣███████╒╣╣╬╣▓▓▓▓██████████╚╣╣▓█████████▄█╬╬╣▓█████████╟╬╣╣╣▓▓██ ▒▒╠╠╬ ◹◺ ◹◺ ╬╬╬╬╣██▌║████████╬╬╬╬╬╣▓▓▓▓▓█████████▓▓╣╣█████████▓╣╣▓▓▓███████╬▓╣▓▓▓▓▓██ ╠╠╬╠╬ ◹◺ ◹◺ ╬╬╬╠╣██▌╞╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣╣▓▓▓▓▓▓▓██▌ ╬╬╬╬╬ ◹◺ ◹◺ ╬╬╬╬╣██▌╞▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀█▌ ╬╬╬╬╬ ◹◺ ◹◺ ╬╬╬╠╟█████████████████████████████████████████████████████████████████████,╬╬╬╬╬ ◹◺ ◹◺ ╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██████████████╬╬╬╬╬╬╬ ◹◺ ◹◺ ╚╚▒░╚╚╚╚░░░░░░░░░░░░░░░░░░░░░░▒░░╚╠╠╠╠╠╠╠╠╠╠╠╠╬╠╬╬╬╬╬╬╬╬╬╬╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬ ◹◺ ◹◺ ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▒▒▒▒▒╠╠╠╠╠╠╠╬╬╬╬╬╬╬╬╠╠╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬ ◹◺ ◹◺ ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▒░▒▒▒▒▒╠╠╠╠╠╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬ ◹◺ ◹◺ ░░░░░░░░░░░░░░░░░░░░░░░░░░░░▒▒▒▒▒▒▒╠╠╠╠╠╠╠╬╬╬╬╬╬╬╬╬╬╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣╬╬╬╬ ◹◺ ◹◺ ░░░░░░░░░░░░░░░░░░░░▒▒▒▒▒▒▒▒▒▒▒╠╠╠╠╠╠╬╬╬╬╬╬╬╬╬╬╬╬╬╠╬╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣╣ ◹◺ ◹◺ ░░░░░░░░░░░░▒▒▒▒▒▒▒▒▒▒▒▒▒▒╠╠╠╠╠╠╠╬╬╬╬╠╬╬╬╬╬╬╬╬╬╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣╬╬╣ ◹◺ ◹◺ ░▒░▒▒▒▒▒▒▒▒▒▒▒▒╠╠╠▒╠╠╠╠╠╠╬╬╬╬╬╬╬╠╬╬╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣╬╬╬╬╬╣╣╬╬╣╣╬ ◹◺ ◹◺ ◹◺ ◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺◹◺*/ pragma solidity 0.8.19; import {TLCreator} from "tl-creator-contracts/TLCreator.sol"; contract TwentyFourHoursOfArt is TLCreator { constructor( string memory name, string memory symbol, address defaultRoyaltyRecipient, uint256 defaultRoyaltyPercentage, address initOwner, address[] memory admins, bool enableStory, address blockListRegistry ) TLCreator( 0x4c5046FbD2bfc678B6AB140ce2468BF79f4e8008, name, symbol, defaultRoyaltyRecipient, defaultRoyaltyPercentage, initOwner, admins, enableStory, blockListRegistry ) {} }
// SPDX-License-Identifier: MIT pragma solidity 0.8.19; import {ERC1967Proxy} from "openzeppelin/proxy/ERC1967/ERC1967Proxy.sol"; /*////////////////////////////////////////////////////////////////////////// TLCreator //////////////////////////////////////////////////////////////////////////*/ /// @title TLCreator.sol /// @notice Transient Labs Core Creator Contract /// @dev this works for either ERC721TL or ERC1155TL contracts, just need to change the implementation /// @author transientlabs.xyz /// @custom:version 2.3.0 contract TLCreator is ERC1967Proxy { /// @param name: the name of the contract /// @param symbol: the symbol of the contract /// @param defaultRoyaltyRecipient: the default address for royalty payments /// @param defaultRoyaltyPercentage: the default royalty percentage of basis points (out of 10,000) /// @param initOwner: initial owner of the contract /// @param admins: array of admin addresses to add to the contract /// @param enableStory: a bool deciding whether to add story fuctionality or not /// @param blockListRegistry: address of the blocklist registry to use constructor( address implementation, string memory name, string memory symbol, address defaultRoyaltyRecipient, uint256 defaultRoyaltyPercentage, address initOwner, address[] memory admins, bool enableStory, address blockListRegistry ) ERC1967Proxy( implementation, abi.encodeWithSelector( 0x1fbd2402, // selector for "initialize(string,string,address,uint256,address,address[],bool,address)" name, symbol, defaultRoyaltyRecipient, defaultRoyaltyPercentage, initOwner, admins, enableStory, blockListRegistry ) ) {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (proxy/ERC1967/ERC1967Proxy.sol) pragma solidity ^0.8.0; import "../Proxy.sol"; import "./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 ERC1967Proxy 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 initializing the storage of the proxy like a Solidity constructor. */ constructor(address _logic, bytes memory _data) payable { _upgradeToAndCall(_logic, _data, false); } /** * @dev Returns the current implementation address. */ function _implementation() internal view virtual override returns (address impl) { return ERC1967Upgrade._getImplementation(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (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 overridden 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 internal 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 overridden should call `super._beforeFallback()`. */ function _beforeFallback() internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.3) (proxy/ERC1967/ERC1967Upgrade.sol) pragma solidity ^0.8.2; import "../beacon/IBeacon.sol"; import "../../interfaces/IERC1967.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 is IERC1967 { // 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 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 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 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); } } }
// 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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.3) (interfaces/IERC1967.sol) pragma solidity ^0.8.0; /** * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC. * * _Available since v4.9._ */ interface IERC1967 { /** * @dev Emitted when the implementation is upgraded. */ event Upgraded(address indexed implementation); /** * @dev Emitted when the admin account has changed. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Emitted when the beacon is changed. */ event BeaconUpgraded(address indexed beacon); }
// 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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (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 functionCallWithValue(target, data, 0, "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"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, 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) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, 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) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or 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 { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // 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 /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (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) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } }
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Contract Security Audit
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Contract Creation Code
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Deployed Bytecode
0x608060405236601057600e6013565b005b600e5b601f601b6021565b6065565b565b600060607f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc5473ffffffffffffffffffffffffffffffffffffffff1690565b905090565b3660008037600080366000845af43d6000803e8080156083573d6000f35b3d6000fdfea2646970667358221220fe3aeb82a3187372be2655e5dd25531b7d42d7ed6a1882d922b685e58f56af5a64736f6c63430008130033
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): 24 Hours of Art
Arg [1] : symbol (string): 24ART
Arg [2] : defaultRoyaltyRecipient (address): 0xBA939B2b73c7c8E23D7a96dd0100869D00f813d1
Arg [3] : defaultRoyaltyPercentage (uint256): 480
Arg [4] : initOwner (address): 0xBA939B2b73c7c8E23D7a96dd0100869D00f813d1
Arg [5] : admins (address[]): 0xbfCb7FC3Ec9923Ae2e20C8eC6C5fc43A4c23F089,0x77B35947d508012589a91CA4c9d168824376Cc7D
Arg [6] : enableStory (bool): True
Arg [7] : blockListRegistry (address): 0x0000000000000000000000000000000000000000
-----Encoded View---------------
15 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000100
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000140
Arg [2] : 000000000000000000000000ba939b2b73c7c8e23d7a96dd0100869d00f813d1
Arg [3] : 00000000000000000000000000000000000000000000000000000000000001e0
Arg [4] : 000000000000000000000000ba939b2b73c7c8e23d7a96dd0100869d00f813d1
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000180
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [8] : 000000000000000000000000000000000000000000000000000000000000000f
Arg [9] : 323420486f757273206f66204172740000000000000000000000000000000000
Arg [10] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [11] : 3234415254000000000000000000000000000000000000000000000000000000
Arg [12] : 0000000000000000000000000000000000000000000000000000000000000002
Arg [13] : 000000000000000000000000bfcb7fc3ec9923ae2e20c8ec6c5fc43a4c23f089
Arg [14] : 00000000000000000000000077b35947d508012589a91ca4c9d168824376cc7d
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