ERC-721
Overview
Max Total Supply
6 LMM
Holders
3
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 LMMLoading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Minimal Proxy Contract for 0x0532fd6e1109756be1503dabe7194b70df0257a7
Contract Name:
NFTCollection
Compiler Version
v0.8.20+commit.a1b79de6
Optimization Enabled:
Yes with 1337000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721BurnableUpgradeable.sol";import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";import "@openzeppelin/contracts-upgradeable/utils/introspection/ERC165Upgradeable.sol";import "../interfaces/internal/INFTCollectionInitializer.sol";import "../libraries/AddressLibrary.sol";import "../mixins/collections/CollectionRoyalties.sol";import "../mixins/collections/NFTCollectionType.sol";import "../mixins/collections/SequentialMintCollection.sol";import "../mixins/collections/TokenLimitedCollection.sol";import "../mixins/shared/ContractFactory.sol";error NFTCollection_Max_Token_Id_Has_Already_Been_Minted(uint256 maxTokenId);error NFTCollection_Token_CID_Already_Minted();error NFTCollection_Token_CID_Required();error NFTCollection_Token_Creator_Payment_Address_Required();/**
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)pragma solidity ^0.8.2;import "../../utils/AddressUpgradeable.sol";/*** @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed* behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.** The initialization functions use a version number. Once a version number is used, it is consumed and cannot be* reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in* case an upgrade adds a module that needs to be initialized.** For example:** [.hljs-theme-light.nopadding]* ```solidity* contract MyToken is ERC20Upgradeable {* function initialize() initializer public {* __ERC20_init("MyToken", "MTK");* }* }
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/ERC721.sol)pragma solidity ^0.8.0;import "./IERC721Upgradeable.sol";import "./IERC721ReceiverUpgradeable.sol";import "./extensions/IERC721MetadataUpgradeable.sol";import "../../utils/AddressUpgradeable.sol";import "../../utils/ContextUpgradeable.sol";import "../../utils/StringsUpgradeable.sol";import "../../utils/introspection/ERC165Upgradeable.sol";import "../../proxy/utils/Initializable.sol";/*** @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including* the Metadata extension, but not including the Enumerable extension, which is available separately as* {ERC721Enumerable}.*/contract ERC721Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721Upgradeable, IERC721MetadataUpgradeable {using AddressUpgradeable for address;using StringsUpgradeable for uint256;// Token namestring private _name;
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Burnable.sol)pragma solidity ^0.8.0;import "../ERC721Upgradeable.sol";import "../../../utils/ContextUpgradeable.sol";import "../../../proxy/utils/Initializable.sol";/*** @title ERC721 Burnable Token* @dev ERC721 Token that can be burned (destroyed).*/abstract contract ERC721BurnableUpgradeable is Initializable, ContextUpgradeable, ERC721Upgradeable {function __ERC721Burnable_init() internal onlyInitializing {}function __ERC721Burnable_init_unchained() internal onlyInitializing {}/*** @dev Burns `tokenId`. See {ERC721-_burn}.** Requirements:** - The caller must own `tokenId` or be an approved operator.*/
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)pragma solidity ^0.8.0;import "../IERC721Upgradeable.sol";/*** @title ERC-721 Non-Fungible Token Standard, optional metadata extension* @dev See https://eips.ethereum.org/EIPS/eip-721*/interface IERC721MetadataUpgradeable is IERC721Upgradeable {/*** @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);
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.6.0) (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 IERC721ReceiverUpgradeable {/*** @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 `IERC721Receiver.onERC721Received.selector`.*/function onERC721Received(address operator,address from,uint256 tokenId,bytes calldata data) external returns (bytes4);
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol)pragma solidity ^0.8.0;import "../../utils/introspection/IERC165Upgradeable.sol";/*** @dev Required interface of an ERC721 compliant contract.*/interface IERC721Upgradeable is IERC165Upgradeable {/*** @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);
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)pragma solidity ^0.8.1;/*** @dev Collection of functions related to the address type*/library AddressUpgradeable {/*** @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** Furthermore, `isContract` will also return true if the target contract within
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)pragma solidity ^0.8.0;import "../proxy/utils/Initializable.sol";/*** @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 ContextUpgradeable is Initializable {function __Context_init() internal onlyInitializing {}function __Context_init_unchained() internal onlyInitializing {}function _msgSender() internal view virtual returns (address) {return msg.sender;}
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)pragma solidity ^0.8.0;import "./IERC165Upgradeable.sol";import "../../proxy/utils/Initializable.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 ERC165Upgradeable is Initializable, IERC165Upgradeable {function __ERC165_init() internal onlyInitializing {}
12345678910111213141516171819202122232425// 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 IERC165Upgradeable {/*** @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);}
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)pragma solidity ^0.8.0;/*** @dev Standard math utilities missing in the Solidity language.*/library MathUpgradeable {enum Rounding {Down, // Toward negative infinityUp, // Toward infinityZero // Toward zero}/*** @dev Returns the largest of two numbers.*/function max(uint256 a, uint256 b) internal pure returns (uint256) {return a > b ? a : b;}/*** @dev Returns the smallest of two numbers.*/function min(uint256 a, uint256 b) internal pure returns (uint256) {
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)pragma solidity ^0.8.0;/*** @dev Standard signed math utilities missing in the Solidity language.*/library SignedMathUpgradeable {/*** @dev Returns the largest of two signed numbers.*/function max(int256 a, int256 b) internal pure returns (int256) {return a > b ? a : b;}/*** @dev Returns the smallest of two signed numbers.*/function min(int256 a, int256 b) internal pure returns (int256) {return a < b ? a : b;}/*** @dev Returns the average of two signed numbers without overflow.* The result is rounded towards zero.
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)pragma solidity ^0.8.0;import "./math/MathUpgradeable.sol";import "./math/SignedMathUpgradeable.sol";/*** @dev String operations.*/library StringsUpgradeable {bytes16 private constant _SYMBOLS = "0123456789abcdef";uint8 private constant _ADDRESS_LENGTH = 20;/*** @dev Converts a `uint256` to its ASCII `string` decimal representation.*/function toString(uint256 value) internal pure returns (string memory) {unchecked {uint256 length = MathUpgradeable.log10(value) + 1;string memory buffer = new string(length);uint256 ptr;/// @solidity memory-safe-assemblyassembly {ptr := add(buffer, add(32, length))
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (utils/ShortStrings.sol)pragma solidity ^0.8.8;import "./StorageSlot.sol";// | string | 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA |// | length | 0x BB |type ShortString is bytes32;/*** @dev This library provides functions to convert short memory strings* into a `ShortString` type that can be used as an immutable variable.** Strings of arbitrary length can be optimized using this library if* they are short enough (up to 31 bytes) by packing them with their* length (1 byte) in a single EVM word (32 bytes). Additionally, a* fallback mechanism can be used for every other case.** Usage example:** ```solidity* contract Named {* using ShortStrings for *;*
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.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:* ```solidity* 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;
1234567891011// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;/*** @title Declares the interface for initializing an NFTCollection contract.* @author batu-inal & HardlyDifficult*/interface INFTCollectionInitializer {function initialize(address payable _creator, string memory _name, string memory _symbol) external;}
123456789101112// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;/*** @title Declares the type of the collection contract.* @dev This interface is declared as an ERC-165 interface.* @author reggieag*/interface INFTCollectionType {function getNFTCollectionType() external view returns (string memory collectionType);}
12345678910111213141516171819202122232425// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;/*** @notice An interface for communicating fees to 3rd party marketplaces.* @dev Originally implemented in mainnet contract 0x44d6e8933f8271abcf253c72f9ed7e0e4c0323b3*/interface IGetFees {/*** @notice Get the recipient addresses to which creator royalties should be sent.* @dev The expected royalty amounts are communicated with `getFeeBps`.* @param tokenId The ID of the NFT to get royalties for.* @return recipients An array of addresses to which royalties should be sent.*/function getFeeRecipients(uint256 tokenId) external view returns (address payable[] memory recipients);/*** @notice Get the creator royalty amounts to be sent to each recipient, in basis points.* @dev The expected recipients are communicated with `getFeeRecipients`.* @param tokenId The ID of the NFT to get royalties for.* @return royaltiesInBasisPoints The array of fees to be sent to each recipient, in basis points.*/function getFeeBps(uint256 tokenId) external view returns (uint256[] memory royaltiesInBasisPoints);}
12345678910111213141516// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;interface IGetRoyalties {/*** @notice Get the creator royalties to be sent.* @dev The data is the same as when calling `getFeeRecipients` and `getFeeBps` separately.* @param tokenId The ID of the NFT to get royalties for.* @return recipients An array of addresses to which royalties should be sent.* @return royaltiesInBasisPoints The array of fees to be sent to each recipient, in basis points.*/function getRoyalties(uint256 tokenId) external view returns (address payable[] memory recipients, uint256[] memory royaltiesInBasisPoints);}
123456789101112131415161718192021// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;/*** @notice Interface for EIP-2981: NFT Royalty Standard.* For more see: https://eips.ethereum.org/EIPS/eip-2981.*/interface IRoyaltyInfo {/*** @notice Get the creator royalties to be sent.* @param tokenId The ID of the NFT to get royalties for.* @param salePrice The total price of the sale.* @return receiver The address to which royalties should be sent.* @return royaltyAmount The total amount that should be sent to the `receiver`.*/function royaltyInfo(uint256 tokenId,uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount);}
123456789101112// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;interface ITokenCreator {/*** @notice Returns the creator of this NFT collection.* @param tokenId The ID of the NFT to get the creator payment address for.* @return creator The creator of this collection.*/function tokenCreator(uint256 tokenId) external view returns (address payable creator);}
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";struct CallWithoutValue {address target;bytes callData;}error AddressLibrary_Proxy_Call_Did_Not_Return_A_Contract(address addressReturned);/*** @title A library for address helpers not already covered by the OZ library.* @author batu-inal & HardlyDifficult*/library AddressLibrary {using AddressUpgradeable for address;using AddressUpgradeable for address payable;/*** @notice Calls an external contract with arbitrary data and parse the return value into an address.* @param externalContract The address of the contract to call.* @param callData The data to send to the contract.* @return contractAddress The address of the contract returned by the call.
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;import "@openzeppelin/contracts-upgradeable/utils/introspection/ERC165Upgradeable.sol";import "../../interfaces/standards/royalties/IGetFees.sol";import "../../interfaces/standards/royalties/IGetRoyalties.sol";import "../../interfaces/standards/royalties/IRoyaltyInfo.sol";import "../../interfaces/standards/royalties/ITokenCreator.sol";import "../shared/Constants.sol";/*** @title Defines various royalty APIs for broad marketplace support.* @author batu-inal & HardlyDifficult*/abstract contract CollectionRoyalties is IGetRoyalties, IGetFees, IRoyaltyInfo, ITokenCreator, ERC165Upgradeable {/*** @inheritdoc IGetFees*/function getFeeRecipients(uint256 tokenId) external view returns (address payable[] memory recipients) {recipients = new address payable[](1);recipients[0] = getTokenCreatorPaymentAddress(tokenId);}
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;import "@openzeppelin/contracts-upgradeable/utils/introspection/ERC165Upgradeable.sol";import "@openzeppelin/contracts/utils/ShortStrings.sol";import "../../interfaces/internal/INFTCollectionType.sol";/*** @title A mixin to add the NFTCollectionType interface to a contract.* @author HardlyDifficult & reggieag*/abstract contract NFTCollectionType is INFTCollectionType, ERC165Upgradeable {using ShortStrings for string;using ShortStrings for ShortString;ShortString private immutable _collectionTypeName;constructor(string memory collectionTypeName) {_collectionTypeName = collectionTypeName.toShortString();}/*** @notice Returns a name of the type of collection this contract represents.* @return collectionType The collection type.
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721BurnableUpgradeable.sol";import "../../interfaces/standards/royalties/ITokenCreator.sol";error SequentialMintCollection_Caller_Is_Not_Owner(address owner);error SequentialMintCollection_Minted_NFTs_Must_Be_Burned_First(uint256 totalSupply);/*** @title Extends the OZ ERC721 implementation for collections which mint sequential token IDs.* @author batu-inal & HardlyDifficult*/abstract contract SequentialMintCollection is ITokenCreator, ERC721BurnableUpgradeable {/****** Slot 0 (after inheritance) ******//*** @notice The creator/owner of this NFT collection.* @dev This is the default royalty recipient if a different `paymentAddress` was not provided.* @return The collection's creator/owner address.*/address payable public owner;/*** @notice The tokenId of the most recently created NFT.
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;import "./SequentialMintCollection.sol";error TokenLimitedCollection_Max_Token_Id_May_Not_Be_Cleared(uint256 currentMaxTokenId);error TokenLimitedCollection_Max_Token_Id_May_Not_Increase(uint256 currentMaxTokenId);error TokenLimitedCollection_Max_Token_Id_Must_Be_Greater_Than_Current_Minted_Count(uint256 currentMintedCount);error TokenLimitedCollection_Max_Token_Id_Must_Not_Be_Zero();/*** @title Defines an upper limit on the number of tokens which may be minted by this collection.* @author HardlyDifficult*/abstract contract TokenLimitedCollection is SequentialMintCollection {/*** @notice The max tokenId which can be minted.* @dev This max may be less than the final `totalSupply` if 1 or more tokens were burned.* @return The max tokenId which can be minted.*/uint32 public maxTokenId;/*** @notice Emitted when the max tokenId supported by this collection is updated.* @param maxTokenId The new max tokenId. All NFTs in this collection will have a tokenId less than
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;/// Constant values shared across mixins./*** @dev 100% in basis points.*/uint256 constant BASIS_POINTS = 10_000;/*** @dev The default admin role defined by OZ ACL modules.*/bytes32 constant DEFAULT_ADMIN_ROLE = 0x00;////////////////////////////////////////////////////////////////// Royalties & Take Rates/////////////////////////////////////////////////////////////////*** @dev The max take rate an exhibition can have.*/uint256 constant MAX_EXHIBITION_TAKE_RATE = 5_000;/**
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT OR Apache-2.0pragma solidity ^0.8.18;import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";error ContractFactory_Only_Callable_By_Factory_Contract(address contractFactory);error ContractFactory_Factory_Is_Not_A_Contract();/*** @title Stores a reference to the factory which is used to create contract proxies.* @author batu-inal & HardlyDifficult*/abstract contract ContractFactory {using AddressUpgradeable for address;/*** @notice The address of the factory which was used to create this contract.* @return The factory contract address.*/address public immutable contractFactory;modifier onlyContractFactory() {if (msg.sender != contractFactory) {revert ContractFactory_Only_Callable_By_Factory_Contract(contractFactory);}
12345678910111213141516171819202122{"optimizer": {"enabled": true,"runs": 1337000},"outputSelection": {"*": {"*": ["evm.bytecode","evm.deployedBytecode","devdoc","userdoc","metadata","abi"]}},"metadata": {"useLiteralContent": true},"libraries": {}}
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A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.