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Set Approval For... | 21362574 | 28 hrs ago | IN | 0 ETH | 0.00054069 | ||||
Set Approval For... | 21337838 | 4 days ago | IN | 0 ETH | 0.00127488 | ||||
Set Approval For... | 21298806 | 10 days ago | IN | 0 ETH | 0.00042414 | ||||
Safe Transfer Fr... | 21255014 | 16 days ago | IN | 0 ETH | 0.00063083 | ||||
Set Approval For... | 21251122 | 16 days ago | IN | 0 ETH | 0.00133433 | ||||
Update Project M... | 21173430 | 27 days ago | IN | 0 ETH | 0.00122651 | ||||
Set Approval For... | 21171446 | 27 days ago | IN | 0 ETH | 0.0012046 | ||||
Set Approval For... | 21167356 | 28 days ago | IN | 0 ETH | 0.00236446 | ||||
Transfer From | 21160012 | 29 days ago | IN | 0 ETH | 0.00128197 | ||||
Safe Transfer Fr... | 21150904 | 30 days ago | IN | 0 ETH | 0.00090665 | ||||
Set Approval For... | 21118693 | 35 days ago | IN | 0 ETH | 0.00024511 | ||||
Transfer From | 21096093 | 38 days ago | IN | 0 ETH | 0.00034358 | ||||
Set Approval For... | 21050095 | 44 days ago | IN | 0 ETH | 0.00024744 | ||||
Safe Transfer Fr... | 21022687 | 48 days ago | IN | 0 ETH | 0.00101665 | ||||
Safe Transfer Fr... | 21016810 | 49 days ago | IN | 0 ETH | 0.00045827 | ||||
Transfer From | 21016575 | 49 days ago | IN | 0 ETH | 0.00050184 | ||||
Set Approval For... | 21006209 | 50 days ago | IN | 0 ETH | 0.00032538 | ||||
Safe Transfer Fr... | 21001081 | 51 days ago | IN | 0 ETH | 0.00080552 | ||||
Set Approval For... | 21000188 | 51 days ago | IN | 0 ETH | 0.00108256 | ||||
Safe Transfer Fr... | 20974375 | 55 days ago | IN | 0 ETH | 0.00060022 | ||||
Set Approval For... | 20973953 | 55 days ago | IN | 0 ETH | 0.00051006 | ||||
Set Approval For... | 20971320 | 55 days ago | IN | 0 ETH | 0.00139472 | ||||
Set Approval For... | 20969561 | 56 days ago | IN | 0 ETH | 0.000579 | ||||
Set Approval For... | 20969257 | 56 days ago | IN | 0 ETH | 0.00057613 | ||||
Set Approval For... | 20965438 | 56 days ago | IN | 0 ETH | 0.00132045 |
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20935034 | 60 days ago | Contract Creation | 0 ETH | |||
20934997 | 60 days ago | Contract Creation | 0 ETH | |||
20135711 | 172 days ago | Contract Creation | 0 ETH |
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Minimal Proxy Contract for 0x000000008dd9a7cd3f4a267a88082d4a1e2f6553
Contract Name:
GenArt721CoreV3_Engine_Flex
Compiler Version
v0.8.22+commit.4fc1097e
Optimization Enabled:
Yes with 10 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: LGPL-3.0-only pragma solidity 0.8.22; // Created By: Art Blocks Inc. import "../../interfaces/v0.8.x/IRandomizer_V3CoreBase.sol"; import "../../interfaces/v0.8.x/IAdminACLV0_Extended.sol"; import "../../interfaces/v0.8.x/IGenArt721CoreContractV3_Engine_Flex.sol"; import {IGenArt721CoreContractV3_ProjectFinance} from "../../interfaces/v0.8.x/IGenArt721CoreContractV3_ProjectFinance.sol"; import "../../interfaces/v0.8.x/IGenArt721CoreContractExposesHashSeed.sol"; import "../../interfaces/v0.8.x/IDependencyRegistryCompatibleV0.sol"; import {ISplitProviderV0} from "../../interfaces/v0.8.x/ISplitProviderV0.sol"; import {IBytecodeStorageReader_Base} from "../../interfaces/v0.8.x/IBytecodeStorageReader_Base.sol"; import "@openzeppelin-5.0/contracts/utils/Strings.sol"; import "@openzeppelin-5.0/contracts/access/Ownable.sol"; import {IERC2981} from "@openzeppelin-5.0/contracts/interfaces/IERC2981.sol"; import "../../libs/v0.8.x/ERC721_PackedHashSeedV1.sol"; import {BytecodeStorageWriter, BytecodeStorageReader} from "../../libs/v0.8.x/BytecodeStorageV2.sol"; import {V3FlexLib} from "../../libs/v0.8.x/V3FlexLib.sol"; import "../../libs/v0.8.x/Bytes32Strings.sol"; /** * @title Art Blocks Engine Flex ERC-721 core contract, V3. * @author Art Blocks Inc. * @notice Privileged Roles and Ownership: * This contract is designed to be managed, with progressively limited powers * as a project progresses from active to locked. * Privileged roles and abilities are controlled by the admin ACL contract and * artists. Both of these roles hold extensive power and can arbitrarily * control and modify portions of projects, dependent upon project state. After * a project is locked, important project metadata fields are locked including * the project name, artist name, and script and display details. Edition size * can never be increased. * Care must be taken to ensure that the admin ACL contract and artist * addresses are secure behind a multi-sig or other access control mechanism. * ---------------------------------------------------------------------------- * The following functions are restricted to the Admin ACL contract: * - updateArtblocksDependencyRegistryAddress * - updateArtblocksOnChainGeneratorAddress * - updateNextCoreContract * - updateProviderSalesAddresses * - updateProviderPrimarySalesPercentages (up to 100%) * - updateProviderDefaultSecondarySalesBPS (up to 100%) * - syncProviderSecondaryForProjectToDefaults * - updateMinterContract * - updateRandomizerAddress * - toggleProjectIsActive (note: artist may be configured to activate projects) * - addProject * - forbidNewProjects (forever forbidding new projects) * - updateDefaultBaseURI (used to initialize new project base URIs) * - updateSplitProvider * - updateBytecodeStorageReaderContract * - updateIPFSGateway * - updateArweaveGateway * ---------------------------------------------------------------------------- * The following functions are restricted to either the Artist address or * the Admin ACL contract, only when the project is not locked: * - updateProjectName * - updateProjectArtistName * - updateProjectLicense * - Change project script via addProjectScript, addProjectScriptCompressed, * updateProjectScript, updateProjectScriptCompressed, * and removeProjectLastScript * - updateProjectScriptType * - updateProjectAspectRatio * ---------------------------------------------------------------------------- * The following functions are restricted to only the Artist address: * - proposeArtistPaymentAddressesAndSplits (Note that this has to be accepted * by adminAcceptArtistAddressesAndSplits to take effect, which is restricted * to the Admin ACL contract, or the artist if the core contract owner has * renounced ownership. Also note that a proposal will be automatically * accepted if the artist only proposes changed payee percentages without * modifying any payee addresses, or is only removing payee addresses, or * if the global config `autoApproveArtistSplitProposals` is set to `true`.) * - toggleProjectIsPaused (note the artist can still mint while paused) * - updateProjectSecondaryMarketRoyaltyPercentage (up to ARTIST_MAX_SECONDARY_ROYALTY_PERCENTAGE percent) * - updateProjectWebsite * - updateProjectMaxInvocations (to a number greater than or equal to the * current number of invocations, and less than current project maximum * invocations) * - updateProjectBaseURI (controlling the base URI for tokens in the project) * ---------------------------------------------------------------------------- * The following function is restricted to either the Admin ACL contract, or * the Artist address if the core contract owner has renounced ownership: * - adminAcceptArtistAddressesAndSplits * - updateProjectArtistAddress (owner ultimately controlling the project and * its and-on revenue, unless owner has renounced ownership) * ---------------------------------------------------------------------------- * The following function is restricted to the artist when a project is * unlocked, and only callable by Admin ACL contract when a project is locked: * - updateProjectDescription * ---------------------------------------------------------------------------- * The following functions for managing external asset dependencies are restricted * to projects with external asset dependencies that are unlocked: * - lockProjectExternalAssetDependencies * - updateProjectExternalAssetDependency * - updateProjectExternalAssetDependencyOnChainCompressed * - updateProjectAssetDependencyOnChainAtAddress * - removeProjectExternalAssetDependency * - addProjectExternalAssetDependency * - addProjectExternalAssetDependencyOnChainCompressed * - addProjectAssetDependencyOnChainAtAddress * ---------------------------------------------------------------------------- * The following function is restricted to owner calling directly: * - transferOwnership * - renounceOwnership * ---------------------------------------------------------------------------- * The following configuration variables are set at time of contract deployment, * and not modifiable thereafter (immutable after the point of deployment): * - (bool) autoApproveArtistSplitProposals * ---------------------------------------------------------------------------- * Additional admin and artist privileged roles may be described on minters, * registries, and other contracts that may interact with this core contract. */ contract GenArt721CoreV3_Engine_Flex is ERC721_PackedHashSeedV1, Ownable, IERC2981, IDependencyRegistryCompatibleV0, IGenArt721CoreContractV3_Engine_Flex, IGenArt721CoreContractV3_ProjectFinance, IGenArt721CoreContractExposesHashSeed { using BytecodeStorageWriter for string; using BytecodeStorageWriter for bytes; using Bytes32Strings for bytes32; using Strings for uint256; using Strings for address; uint256 constant ONE_HUNDRED = 100; uint256 constant ONE_MILLION = 1_000_000; uint24 constant ONE_MILLION_UINT24 = 1_000_000; uint256 constant FOUR_WEEKS_IN_SECONDS = 2_419_200; uint8 constant AT_CHARACTER_CODE = uint8(bytes1("@")); // 0x40 // numeric constants uint256 constant MAX_PROVIDER_SECONDARY_SALES_BPS = 10000; // 10_000 BPS = 100% uint256 constant ARTIST_MAX_SECONDARY_ROYALTY_PERCENTAGE = 95; // 95% /// pointer to next core contract associated with this contract address public nextCoreContract; /// Dependency registry managed by Art Blocks address public artblocksDependencyRegistryAddress; /// On chain generator managed by Art Blocks address public artblocksOnChainGeneratorAddress; /// ensure initialization can only be performed once bool private _initialized; /// current randomizer contract IRandomizer_V3CoreBase public randomizerContract; /// append-only array of all randomizer contract addresses ever used by /// this contract address[] private _historicalRandomizerAddresses; /// admin ACL contract IAdminACLV0 public adminACLContract; struct Project { uint24 invocations; uint24 maxInvocations; uint24 scriptCount; // max uint64 ~= 1.8e19 sec ~= 570 billion years uint64 completedTimestamp; bool active; bool paused; string name; string artist; address descriptionAddress; string website; string license; string projectBaseURI; bytes32 scriptTypeAndVersion; string aspectRatio; // mapping from script index to address storing script in bytecode mapping(uint256 => address) scriptBytecodeAddresses; } mapping(uint256 => Project) projects; /// private mapping from project ID to project financial information. See /// `projectIdToFinancials` getter for public access. mapping(uint256 _projectId => ProjectFinance) private _projectIdToFinancials; /// hash of artist's proposed payment updates to be approved by admin mapping(uint256 => bytes32) public proposedArtistAddressesAndSplitsHash; /// The render provider payment address for all primary sales revenues /// (packed) address payable public renderProviderPrimarySalesAddress; /// Percentage of primary sales revenue allocated to the render provider /// (packed) // packed uint: max of 100, max uint8 = 255 uint8 private _renderProviderPrimarySalesPercentage; /// The platform provider payment address for all primary sales revenues /// (packed) address payable public platformProviderPrimarySalesAddress; /// Percentage of primary sales revenue allocated to the platform provider /// (packed) // packed uint: max of 100, max uint8 = 255 uint8 private _platformProviderPrimarySalesPercentage; /// @dev Note on "default" provider secondary values - the only way these can /// be different on a per project basis is if admin updates these and then /// does not call syncProviderSecondaryForProjectToDefaults for the project. /// ----------------------------------------------------------------------- /// The default render provider payment address for all secondary sales royalty /// revenues, for all new projects. Individual project payment info is defined /// in each project's ProjectFinance struct. /// Projects can be updated to this value by calling the /// `syncProviderSecondaryForProjectToDefaults` function for each project. address payable public defaultRenderProviderSecondarySalesAddress; /// The default basis points allocated to render provider for all secondary /// sales royalty revenues, for all new projects. Individual project /// payment info is defined in each project's ProjectFinance struct. /// Projects can be updated to this value by calling the /// `syncProviderSecondaryForProjectToDefaults` function for each project. uint256 public defaultRenderProviderSecondarySalesBPS; /// The default platform provider payment address for all secondary sales royalty /// revenues, for all new projects. Individual project payment info is defined /// in each project's ProjectFinance struct. /// Projects can be updated to this value by calling the /// `syncProviderSecondaryForProjectToDefaults` function for each project. address payable public defaultPlatformProviderSecondarySalesAddress; /// The default basis points allocated to platform provider for all secondary /// sales royalty revenues, for all new projects. Individual project /// payment info is defined in each project's ProjectFinance struct. /// Projects can be updated to this value by calling the /// `syncProviderSecondaryForProjectToDefaults` function for each project. uint256 public defaultPlatformProviderSecondarySalesBPS; /// ----------------------------------------------------------------------- /// single minter allowed for this core contract address public minterContract; /// starting (initial) project ID on this contract configured /// at time of deployment and intended to be immutable after initialization. /// Not marked as immutable due to initialization requirements /// under the ERC-1167 minimal proxy pattern, which necessitates /// setting this value post-deployment. uint256 public startingProjectId; /// next project ID to be created uint248 private _nextProjectId; /// bool indicating if adding new projects is forbidden; /// default behavior is to allow new projects bool public newProjectsForbidden; /// configuration variable set at time of deployment, intended to be /// immutable after initialization, that determines whether or not /// admin approval^ should be required to accept artist address change /// proposals, or if these proposals should always auto-approve, as /// determined by the business process requirements of the Engine /// partner using this contract. /// /// ^does not apply in the case where contract-ownership itself is revoked /// Not marked as immutable due to initialization requirements /// under the ERC-1167 minimal proxy pattern, which necessitates /// setting this value post-deployment. bool public autoApproveArtistSplitProposals; /// configuration variable set at time of deployment, intended to be /// immutable after initialization, that determines if platform provider /// fees and addresses are always required to be set to zero. /// Not marked as immutable due to initialization requirements /// under the ERC-1167 minimal proxy pattern, which necessitates /// setting this value post-deployment. bool public nullPlatformProvider; /// configuration variable set at time of deployment, intended to be /// immutable after initialization, that determines if artists are allowed /// to activate their own projects. /// Not marked as immutable due to initialization requirements /// under the ERC-1167 minimal proxy pattern, which necessitates /// setting this value post-deployment. bool public allowArtistProjectActivation; /// version & type of this core contract bytes32 constant CORE_VERSION = "v3.2.5"; function coreVersion() external pure returns (string memory) { return CORE_VERSION.toString(); } bytes32 constant CORE_TYPE = "GenArt721CoreV3_Engine_Flex"; function coreType() external pure returns (string memory) { return CORE_TYPE.toString(); } /// default base URI to initialize all new project projectBaseURI values to string public defaultBaseURI; // ERC2981 royalty support and default royalty values bytes4 private constant _INTERFACE_ID_ERC2981 = 0x2a55205a; uint8 private constant _DEFAULT_ARTIST_SECONDARY_ROYALTY_PERCENTAGE = 5; // royalty split provider ISplitProviderV0 public splitProvider; // bytecode storage reader contract; may be universal or specific version reader contract IBytecodeStorageReader_Base public bytecodeStorageReaderContract; /** * @dev This constructor sets the owner to a non-functional address as a formality. * It is only ever ran on the implementation contract. The `Ownable` constructor is * called to satisfy the contract's inheritance requirements. This owner has no * operational significance and should not be considered secure or meaningful. * The true ownership will be set in the `initialize` function post-deployment to * ensure correct owner management in the proxy architecture. * Explicitly setting the owner to '0xdead' to indicate non-operational use. */ constructor() Ownable(0x000000000000000000000000000000000000dEaD) {} function _onlyNonZeroAddress(address _address) internal pure { if (_address == address(0)) { revert GenArt721Error(ErrorCodes.OnlyNonZeroAddress); } } function _onlyNonEmptyString(string memory _string) internal pure { if (bytes(_string).length == 0) { revert GenArt721Error(ErrorCodes.OnlyNonEmptyString); } } function _onlyNonEmptyBytes(bytes memory _bytes) internal pure { if (_bytes.length == 0) { revert GenArt721Error(ErrorCodes.OnlyNonEmptyBytes); } } function _onlyValidTokenId(uint256 _tokenId) internal view { if (_ownerOf(_tokenId) == address(0)) { revert GenArt721Error(ErrorCodes.TokenDoesNotExist); } } function _onlyValidProjectId(uint256 _projectId) internal view { if (_projectId < startingProjectId || _projectId >= _nextProjectId) { revert GenArt721Error(ErrorCodes.ProjectDoesNotExist); } } function _onlyUnlocked(uint256 _projectId) internal view { // Note: calling `_projectUnlocked` enforces that the `_projectId` // passed in is valid.` if (!_projectUnlocked(_projectId)) { revert GenArt721Error(ErrorCodes.OnlyUnlockedProjects); } } function _onlyAdminACL(bytes4 _selector) internal { if (!adminACLAllowed(msg.sender, address(this), _selector)) { revert GenArt721Error(ErrorCodes.OnlyAdminACL); } } function _onlyArtist(uint256 _projectId) internal view { if (msg.sender != _projectIdToFinancials[_projectId].artistAddress) { revert GenArt721Error(ErrorCodes.OnlyArtist); } } function _onlyArtistOrAdminACL( uint256 _projectId, bytes4 _selector ) internal { if ( !(msg.sender == _projectIdToFinancials[_projectId].artistAddress || adminACLAllowed(msg.sender, address(this), _selector)) ) { revert GenArt721Error(ErrorCodes.OnlyArtistOrAdminACL); } } /** * This modifier allows the artist of a project to call a function if the * owner of the contract has renounced ownership. This is to allow the * contract to continue to function if the owner decides to renounce * ownership. */ function _onlyAdminACLOrRenouncedArtist( uint256 _projectId, bytes4 _selector ) internal { // check if Admin ACL is allowed to call this function if (adminACLAllowed(msg.sender, address(this), _selector)) { return; } // check if the owner has renounced ownership and the caller is the // artist of the project if ( owner() == address(0) && msg.sender == _projectIdToFinancials[_projectId].artistAddress ) { return; } // neither of the above conditions were met, revert revert GenArt721Error(ErrorCodes.OnlyAdminACLOrRenouncedArtist); } /** * @notice Initializes the contract with the provided `engineConfiguration`. * This function should be called atomically, immediately after deployment. * Only callable once. Validation on `engineConfiguration` is performed by caller. * @dev This function is intentionally unpermissioned to allow for the * initialization of the contract post-deployment. It is expected that this * function will be called atomically by the factory contract that deploys this * contract, after which it will be initialized and uncallable. * @param engineConfiguration EngineConfiguration to configure the contract with. * @param adminACLContract_ Address of admin access control contract, to be * set as contract owner. * @param defaultBaseURIHost Base URI prefix to initialize default base URI with. * @param bytecodeStorageReaderContract_ Address of the bytecode storage reader contract. */ function initialize( EngineConfiguration memory engineConfiguration, address adminACLContract_, string memory defaultBaseURIHost, address bytecodeStorageReaderContract_ ) external virtual { // @dev internal function call so derived contracts have access to initialization logic _initialize({ engineConfiguration: engineConfiguration, adminACLContract_: adminACLContract_, defaultBaseURIHost: defaultBaseURIHost, bytecodeStorageReaderContract_: bytecodeStorageReaderContract_ }); } /** * @notice Updates preferredIPFSGateway to `_gateway`. */ function updateIPFSGateway(string calldata _gateway) public { _onlyAdminACL(this.updateIPFSGateway.selector); V3FlexLib.updateIPFSGateway({_gateway: _gateway}); } /** * @notice Updates preferredArweaveGateway to `_gateway`. */ function updateArweaveGateway(string calldata _gateway) public { _onlyAdminACL(this.updateArweaveGateway.selector); V3FlexLib.updateArweaveGateway({_gateway: _gateway}); } /** * @notice Locks external asset dependencies for project `_projectId`. */ function lockProjectExternalAssetDependencies(uint256 _projectId) external { _onlyArtistOrAdminACL( _projectId, this.lockProjectExternalAssetDependencies.selector ); V3FlexLib.lockProjectExternalAssetDependencies({ _projectId: _projectId }); } /** * @notice Updates external asset dependency for project `_projectId`. * @param _projectId Project to be updated. * @param _index Asset index. * @param _cidOrData Field that contains the CID of the dependency if IPFS or ARWEAVE, * empty string of ONCHAIN, or a string representation of the Art Blocks Dependency * Registry's `dependencyNameAndVersion` if ART_BLOCKS_DEPENDENCY_REGISTRY. * @param _dependencyType Asset dependency type. * 0 - IPFS * 1 - ARWEAVE * 2 - ONCHAIN * 3 - ART_BLOCKS_DEPENDENCY_REGISTRY */ function updateProjectExternalAssetDependency( uint256 _projectId, uint256 _index, string memory _cidOrData, ExternalAssetDependencyType _dependencyType ) external { _onlyArtistOrAdminACL( _projectId, this.updateProjectExternalAssetDependency.selector ); V3FlexLib.updateProjectExternalAssetDependency({ _projectId: _projectId, _index: _index, _cidOrData: _cidOrData, _dependencyType: _dependencyType }); } /** * @notice Updates external asset dependency for project `_projectId` of type * ONCHAIN using on-chain compression. The string should be compressed using * `getCompressed`. * This function stores the string in a compressed format on-chain. * For reads, the compressed script is decompressed on-chain, ensuring the * original text is reconstructed without external dependencies. * @dev _compressedString in memory to minimize bytecode size. * @param _projectId Project to be updated. * @param _index Asset index. * @param _compressedString Pre-compressed string asset to be added. */ function updateProjectExternalAssetDependencyOnChainCompressed( uint256 _projectId, uint256 _index, bytes memory _compressedString ) external { _onlyArtistOrAdminACL( _projectId, this.updateProjectExternalAssetDependencyOnChainCompressed.selector ); V3FlexLib.updateProjectExternalAssetDependencyOnChainCompressed({ _projectId: _projectId, _index: _index, _compressedString: _compressedString }); } /** * @notice Updates external asset dependency for project `_projectId` at * index `_index`, with data at BytecodeStorage-compatible address * `_assetAddress`. * @param _projectId Project to be updated. * @param _index Asset index. * @param _assetAddress Address of the on-chain asset. */ function updateProjectAssetDependencyOnChainAtAddress( uint256 _projectId, uint256 _index, address _assetAddress ) external { _onlyArtistOrAdminACL( _projectId, this.updateProjectAssetDependencyOnChainAtAddress.selector ); V3FlexLib.updateProjectAssetDependencyOnChainAtAddress({ _projectId: _projectId, _index: _index, _assetAddress: _assetAddress }); } /** * @notice Removes external asset dependency for project `_projectId` at index `_index`. * As of v3.2, only allow removal of dependency at last index, for UX purposes. * @param _projectId Project to be updated. * @param _index Asset index */ function removeProjectExternalAssetDependency( uint256 _projectId, uint256 _index ) external { _onlyArtistOrAdminACL( _projectId, this.removeProjectExternalAssetDependency.selector ); V3FlexLib.removeProjectExternalAssetDependency({ _projectId: _projectId, _index: _index }); } /** * @notice Adds external asset dependency for project `_projectId`. * @param _projectId Project to be updated. * @param _cidOrData Field that contains the CID of the dependency if IPFS or ARWEAVE, * empty string of ONCHAIN, or a string representation of the Art Blocks Dependency * Registry's `dependencyNameAndVersion` if ART_BLOCKS_DEPENDENCY_REGISTRY. * @param _dependencyType Asset dependency type. * 0 - IPFS * 1 - ARWEAVE * 2 - ONCHAIN * 3 - ART_BLOCKS_DEPENDENCY_REGISTRY */ function addProjectExternalAssetDependency( uint256 _projectId, string memory _cidOrData, ExternalAssetDependencyType _dependencyType ) external { _onlyArtistOrAdminACL( _projectId, this.addProjectExternalAssetDependency.selector ); V3FlexLib.addProjectExternalAssetDependency({ _projectId: _projectId, _cidOrData: _cidOrData, _dependencyType: _dependencyType }); } /** * @notice Adds external asset dependency for project `_projectId` of type * ONCHAIN using on-chain compression. The string should be compressed using * `getCompressed`. * This function stores the string in a compressed format on-chain. * For reads, the compressed script is decompressed on-chain, ensuring the * original text is reconstructed without external dependencies. * @dev _compressedString in memory to minimize bytecode size. * @param _projectId Project to be updated. * @param _compressedString Pre-compressed string asset to be added. */ function addProjectExternalAssetDependencyOnChainCompressed( uint256 _projectId, bytes memory _compressedString ) external { _onlyArtistOrAdminACL( _projectId, this.addProjectExternalAssetDependencyOnChainCompressed.selector ); V3FlexLib.addProjectExternalAssetDependencyOnChainCompressed({ _projectId: _projectId, _compressedString: _compressedString }); } /** * @notice Adds an on-chain external asset dependency for project * `_projectId`, with data at BytecodeStorage-compatible address * `_assetAddress`. * @param _projectId Project to be updated. * @param _assetAddress Address of the BytecodeStorageReader-compatible on-chain asset. */ function addProjectAssetDependencyOnChainAtAddress( uint256 _projectId, address _assetAddress ) external { _onlyArtistOrAdminACL( _projectId, this.addProjectAssetDependencyOnChainAtAddress.selector ); V3FlexLib.addProjectAssetDependencyOnChainAtAddress({ _projectId: _projectId, _assetAddress: _assetAddress }); } /** * @notice Mints a token from project `_projectId` and sets the * token's owner to `_to`. Hash may or may not be assigned to the token * during the mint transaction, depending on the randomizer contract. * @param _to Address to be the minted token's owner. * @param _projectId Project ID to mint a token on. * @param _by Purchaser of minted token. * @return _tokenId The ID of the minted token. * @dev sender must be the allowed minterContract * @dev name of function is optimized for gas usage */ function mint_Ecf( address _to, uint256 _projectId, address _by ) external returns (uint256 _tokenId) { // CHECKS if (msg.sender != minterContract) { revert GenArt721Error(ErrorCodes.OnlyMinterContract); } Project storage project = projects[_projectId]; // load invocations into memory uint24 invocationsBefore = project.invocations; uint24 invocationsAfter; unchecked { // invocationsBefore guaranteed <= maxInvocations <= 1_000_000, // 1_000_000 << max uint24, so no possible overflow invocationsAfter = invocationsBefore + 1; } uint24 maxInvocations = project.maxInvocations; if (invocationsBefore >= maxInvocations) { revert GenArt721Error(ErrorCodes.MaxInvocationsReached); } if ( !(project.active || _by == _projectIdToFinancials[_projectId].artistAddress) ) { revert GenArt721Error(ErrorCodes.ProjectMustExistAndBeActive); } if ( project.paused && _by != _projectIdToFinancials[_projectId].artistAddress ) { revert GenArt721Error(ErrorCodes.PurchasesPaused); } // EFFECTS // increment project's invocations project.invocations = invocationsAfter; uint256 thisTokenId; unchecked { // invocationsBefore is uint24 << max uint256. In production use, // _projectId * ONE_MILLION must be << max uint256, otherwise // tokenIdToProjectId function become invalid. // Therefore, no risk of overflow thisTokenId = (_projectId * ONE_MILLION) + invocationsBefore; } // mark project as completed if hit max invocations if (invocationsAfter == maxInvocations) { _completeProject(_projectId); } // INTERACTIONS _mint(_to, thisTokenId); // token hash is updated by the randomizer contract on V3 randomizerContract.assignTokenHash(thisTokenId); // Do not need to also log `projectId` in event, as the `projectId` for // a given token can be derived from the `tokenId` with: // projectId = tokenId / 1_000_000 emit Mint(_to, thisTokenId); return thisTokenId; } /** * @notice Sets the hash seed for a given token ID `_tokenId`. * May only be called by the current randomizer contract. * May only be called for tokens that have not already been assigned a * non-zero hash. * @param _tokenId Token ID to set the hash for. * @param _hashSeed Hash seed to set for the token ID. Only last 12 bytes * will be used. * @dev gas-optimized function name because called during mint sequence * @dev if a separate event is required when the token hash is set, e.g. * for indexing purposes, it must be emitted by the randomizer. This is to * minimize gas when minting. */ function setTokenHash_8PT(uint256 _tokenId, bytes32 _hashSeed) external { _onlyValidTokenId(_tokenId); OwnerAndHashSeed storage ownerAndHashSeed = _ownersAndHashSeeds[ _tokenId ]; if (msg.sender != address(randomizerContract)) { revert GenArt721Error(ErrorCodes.OnlyRandomizer); } if (ownerAndHashSeed.hashSeed != bytes12(0)) { revert GenArt721Error(ErrorCodes.TokenHashAlreadySet); } if (_hashSeed == bytes12(0)) { revert GenArt721Error(ErrorCodes.NoZeroHashSeed); } ownerAndHashSeed.hashSeed = bytes12(_hashSeed); } /** * @notice Allows owner (AdminACL) to revoke ownership of the contract. * Note that the contract is intended to continue to function after the * owner renounces ownership, but no new projects will be able to be added. * Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the * owner/AdminACL contract. The same is true for any dependent contracts * that also integrate with the owner/AdminACL contract (e.g. potentially * minter suite contracts, registry contracts, etc.). * After renouncing ownership, artists will be in control of updates to * their payment addresses and splits (see modifier * onlyAdminACLOrRenouncedArtist`). * While there is no currently intended reason to call this method based on * typical Engine partner business practices, this method exists to allow * artists to continue to maintain the limited set of contract * functionality that exists post-project-lock in an environment in which * there is no longer an admin maintaining this smart contract. * @dev This function is intended to be called directly by the AdminACL, * not by an address allowed by the AdminACL contract. */ function renounceOwnership() public override onlyOwner { // broadcast that new projects are no longer allowed (if not already) _forbidNewProjects(); // renounce ownership viw Ownable Ownable.renounceOwnership(); } /** * @notice Updates reference to next core contract, associated with this contract. * @param _nextCoreContract Address of the next core contract */ function updateNextCoreContract(address _nextCoreContract) external { _onlyAdminACL(this.updateNextCoreContract.selector); nextCoreContract = _nextCoreContract; emit PlatformUpdated( bytes32(uint256(PlatformUpdatedFields.FIELD_NEXT_CORE_CONTRACT)) ); } /** * @notice Updates reference to Art Blocks Dependency Registry contract. * @param _artblocksDependencyRegistryAddress Address of new Dependency * Registry. */ function updateArtblocksDependencyRegistryAddress( address _artblocksDependencyRegistryAddress ) external { _onlyAdminACL(this.updateArtblocksDependencyRegistryAddress.selector); _onlyNonZeroAddress(_artblocksDependencyRegistryAddress); artblocksDependencyRegistryAddress = _artblocksDependencyRegistryAddress; emit PlatformUpdated( bytes32( uint256( PlatformUpdatedFields .FIELD_ARTBLOCKS_DEPENDENCY_REGISTRY_ADDRESS ) ) ); } /** * @notice Updates reference to Art Blocks On Chain Generator contract. * @param _artblocksOnChainGeneratorAddress Address of new on chain generator. */ function updateArtblocksOnChainGeneratorAddress( address _artblocksOnChainGeneratorAddress ) external { _onlyAdminACL(this.updateArtblocksOnChainGeneratorAddress.selector); _onlyNonZeroAddress(_artblocksOnChainGeneratorAddress); artblocksOnChainGeneratorAddress = _artblocksOnChainGeneratorAddress; emit PlatformUpdated( bytes32( uint256( PlatformUpdatedFields .FIELD_ARTBLOCKS_ON_CHAIN_GENERATOR_ADDRESS ) ) ); } /** * @notice Updates sales addresses for the platform and render providers to * the input parameters. * note: This does not update splitter contracts for all projects on * this core contract. If updated splitter contracts are desired, they must be * updated after this update via the `syncProviderSecondaryForProjectToDefaults` function. * @param _renderProviderPrimarySalesAddress Address of new primary sales * payment address. * @param _defaultRenderProviderSecondarySalesAddress Default address of new secondary sales * payment address. * @param _platformProviderPrimarySalesAddress Address of new primary sales * payment address. * @param _defaultPlatformProviderSecondarySalesAddress Default address of new secondary sales * payment address. */ function updateProviderSalesAddresses( address payable _renderProviderPrimarySalesAddress, address payable _defaultRenderProviderSecondarySalesAddress, address payable _platformProviderPrimarySalesAddress, address payable _defaultPlatformProviderSecondarySalesAddress ) external { _onlyAdminACL(this.updateProviderSalesAddresses.selector); _onlyNonZeroAddress(_renderProviderPrimarySalesAddress); _onlyNonZeroAddress(_defaultRenderProviderSecondarySalesAddress); // @dev checks on platform provider addresses performed in _updateProviderSalesAddresses _updateProviderSalesAddresses( _renderProviderPrimarySalesAddress, _defaultRenderProviderSecondarySalesAddress, _platformProviderPrimarySalesAddress, _defaultPlatformProviderSecondarySalesAddress ); } /** * @notice Updates the render and platform provider primary sales revenue percentage to * the provided inputs. * If contract is configured to have a null platform provider, the platform provider * primary sales percentage must be set to zero. * @param renderProviderPrimarySalesPercentage_ New primary sales revenue % for the render provider * @param platformProviderPrimarySalesPercentage_ New primary sales revenue % for the platform provider * percentage. */ function updateProviderPrimarySalesPercentages( uint256 renderProviderPrimarySalesPercentage_, uint256 platformProviderPrimarySalesPercentage_ ) external { _onlyAdminACL(this.updateProviderPrimarySalesPercentages.selector); // require no platform provider payment if null platform provider if ( nullPlatformProvider && platformProviderPrimarySalesPercentage_ != 0 ) { revert GenArt721Error(ErrorCodes.OnlyNullPlatformProvider); } // Validate that the sum of the proposed %s, does not exceed 100%. if ( (renderProviderPrimarySalesPercentage_ + platformProviderPrimarySalesPercentage_) > ONE_HUNDRED ) { revert GenArt721Error(ErrorCodes.OverMaxSumOfPercentages); } // Casting to `uint8` here is safe due check above, which does not allow // overflow as of solidity version ^0.8.0. _renderProviderPrimarySalesPercentage = uint8( renderProviderPrimarySalesPercentage_ ); _platformProviderPrimarySalesPercentage = uint8( platformProviderPrimarySalesPercentage_ ); emit PlatformUpdated( bytes32( uint256( PlatformUpdatedFields .FIELD_PROVIDER_PRIMARY_SALES_PERCENTAGES ) ) ); } /** * @notice Updates default render and platform provider secondary sales royalty * Basis Points to the provided inputs. * If contract is configured to have a null platform provider, the platform provider * secondary sales BPS must be set to zero. * note: This does not update splitter contracts for all projects on * this core contract. If updated splitter contracts are desired, they must be * updated after this update via the `syncProviderSecondaryForProjectToDefaults` function. * @param _defaultRenderProviderSecondarySalesBPS New default secondary sales royalty Basis * points. * @param _defaultPlatformProviderSecondarySalesBPS New default secondary sales royalty Basis * points. * @dev Due to secondary royalties being ultimately enforced via social * consensus, no hard upper limit is imposed on the BPS value, other than * <= 100% royalty, which would not make mathematical sense. Realistically, * changing this value is expected to either never occur, or be a rare * occurrence. */ function updateProviderDefaultSecondarySalesBPS( uint256 _defaultRenderProviderSecondarySalesBPS, uint256 _defaultPlatformProviderSecondarySalesBPS ) external { _onlyAdminACL(this.updateProviderDefaultSecondarySalesBPS.selector); // require no platform provider payment if null platform provider if ( nullPlatformProvider && _defaultPlatformProviderSecondarySalesBPS != 0 ) { revert GenArt721Error(ErrorCodes.OnlyNullPlatformProvider); } // Validate that the sum of the proposed provider BPS, does not exceed 10_000 BPS. if ( _defaultRenderProviderSecondarySalesBPS + _defaultPlatformProviderSecondarySalesBPS > MAX_PROVIDER_SECONDARY_SALES_BPS ) { revert GenArt721Error(ErrorCodes.OverMaxSumOfBPS); } defaultRenderProviderSecondarySalesBPS = _defaultRenderProviderSecondarySalesBPS; defaultPlatformProviderSecondarySalesBPS = _defaultPlatformProviderSecondarySalesBPS; emit PlatformUpdated( bytes32( uint256( PlatformUpdatedFields.FIELD_PROVIDER_SECONDARY_SALES_BPS ) ) ); } /** * @notice Updates minter to `_address`. * @param _address Address of new minter. */ function updateMinterContract(address _address) external { _onlyAdminACL(this.updateMinterContract.selector); _onlyNonZeroAddress(_address); _updateMinterContract(_address); } /** * @notice Updates randomizer to `_randomizerAddress`. * @param _randomizerAddress Address of new randomizer. */ function updateRandomizerAddress(address _randomizerAddress) external { _onlyAdminACL(this.updateRandomizerAddress.selector); _onlyNonZeroAddress(_randomizerAddress); _updateRandomizerAddress(_randomizerAddress); } /** * @notice Updates split provider address to `_splitProviderAddress`. * Reverts if `_splitProviderAddress` is zero address. * @param _splitProviderAddress New split provider address. */ function updateSplitProvider(address _splitProviderAddress) external { _onlyAdminACL(this.updateSplitProvider.selector); _updateSplitProvider(_splitProviderAddress); } /** * @notice Updates bytecode storage reader contract to `_bytecodeStorageReaderContract`. * Reverts if `_bytecodeStorageReaderContract` is zero address. * Updating the active Bytecode Storage Reader contract may affect the ability to read * data related to existing projects. Care should be taken to ensure that the new * contract is compatible with the existing project data. * @param _bytecodeStorageReaderContract New bytecode storage reader contract address. */ function updateBytecodeStorageReaderContract( address _bytecodeStorageReaderContract ) external { _onlyAdminACL(this.updateBytecodeStorageReaderContract.selector); _onlyNonZeroAddress(_bytecodeStorageReaderContract); _updateBytecodeStorageReaderContract(_bytecodeStorageReaderContract); } /** * @notice Toggles project `_projectId` as active/inactive. * @param _projectId Project ID to be toggled. */ function toggleProjectIsActive(uint256 _projectId) external { if (allowArtistProjectActivation) { _onlyArtistOrAdminACL( _projectId, this.toggleProjectIsActive.selector ); } else { _onlyAdminACL(this.toggleProjectIsActive.selector); } _onlyValidProjectId(_projectId); projects[_projectId].active = !projects[_projectId].active; emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_ACTIVE)) ); } /** * @notice Artist proposes updated set of artist address, additional payee * addresses, and percentage splits for project `_projectId`. Addresses and * percentages do not have to all be changed, but they must all be defined * as a complete set. * Note that if the artist is only proposing a change to the payee percentage * splits, without modifying the payee addresses, the proposal will be * automatically approved and the new splits will become active immediately. * Automatic approval will also be granted if the artist is only removing * additional payee addresses, without adding any new ones. * Also note that if `autoApproveArtistSplitProposals` is true, proposals * will always be auto-approved, regardless of what is being changed. * Also note that if the artist is proposing sending funds to the zero * address, this function will revert and the proposal will not be created. * @param _projectId Project ID. * @param _artistAddress Artist address that controls the project, and may * receive payments. * @param _additionalPayeePrimarySales Address that may receive a * percentage split of the artist's primary sales revenue. * @param _additionalPayeePrimarySalesPercentage Percent of artist's * portion of primary sale revenue that will be split to address * `_additionalPayeePrimarySales`. * @param _additionalPayeeSecondarySales Address that may receive a percentage * split of the secondary sales royalties. * @param _additionalPayeeSecondarySalesPercentage Percent of artist's portion * of secondary sale royalties that will be split to address * `_additionalPayeeSecondarySales`. * @dev `_artistAddress` must be a valid address (non-zero-address), but it * is intentionally allowable for `_additionalPayee{Primary,Secondaary}Sales` * and their associated percentages to be zero'd out by the controlling artist. */ function proposeArtistPaymentAddressesAndSplits( uint256 _projectId, address payable _artistAddress, address payable _additionalPayeePrimarySales, uint256 _additionalPayeePrimarySalesPercentage, address payable _additionalPayeeSecondarySales, uint256 _additionalPayeeSecondarySalesPercentage ) external { _onlyValidProjectId(_projectId); _onlyArtist(_projectId); _onlyNonZeroAddress(_artistAddress); ProjectFinance storage projectFinance = _projectIdToFinancials[ _projectId ]; // checks if ( _additionalPayeePrimarySalesPercentage > ONE_HUNDRED || _additionalPayeeSecondarySalesPercentage > ONE_HUNDRED ) { revert GenArt721Error(ErrorCodes.MaxOf100Percent); } if ( _additionalPayeePrimarySalesPercentage > 0 && _additionalPayeePrimarySales == address(0) ) { revert GenArt721Error(ErrorCodes.PrimaryPayeeIsZeroAddress); } if ( _additionalPayeeSecondarySalesPercentage > 0 && _additionalPayeeSecondarySales == address(0) ) { revert GenArt721Error(ErrorCodes.SecondaryPayeeIsZeroAddress); } // effects // emit event for off-chain indexing // note: always emit a proposal event, even in the pathway of // automatic approval, to simplify indexing expectations emit ProposedArtistAddressesAndSplits( _projectId, _artistAddress, _additionalPayeePrimarySales, _additionalPayeePrimarySalesPercentage, _additionalPayeeSecondarySales, _additionalPayeeSecondarySalesPercentage ); // automatically accept if no proposed addresses modifications, or if // the proposal only removes payee addresses, or if contract is set to // always auto-approve. // store proposal hash on-chain, only if not automatic accept bool automaticAccept = autoApproveArtistSplitProposals; if (!automaticAccept) { // block scope to avoid stack too deep error bool artistUnchanged = _artistAddress == projectFinance.artistAddress; bool additionalPrimaryUnchangedOrRemoved = (_additionalPayeePrimarySales == projectFinance.additionalPayeePrimarySales) || (_additionalPayeePrimarySales == address(0)); bool additionalSecondaryUnchangedOrRemoved = (_additionalPayeeSecondarySales == projectFinance.additionalPayeeSecondarySales) || (_additionalPayeeSecondarySales == address(0)); automaticAccept = artistUnchanged && additionalPrimaryUnchangedOrRemoved && additionalSecondaryUnchangedOrRemoved; } if (automaticAccept) { // clear any previously proposed values proposedArtistAddressesAndSplitsHash[_projectId] = bytes32(0); // update storage // artist address can change during automatic accept if // autoApproveArtistSplitProposals is true projectFinance.artistAddress = _artistAddress; projectFinance .additionalPayeePrimarySales = _additionalPayeePrimarySales; // safe to cast as uint8 as max is 100%, max uint8 is 255 projectFinance.additionalPayeePrimarySalesPercentage = uint8( _additionalPayeePrimarySalesPercentage ); projectFinance .additionalPayeeSecondarySales = _additionalPayeeSecondarySales; // safe to cast as uint8 as max is 100%, max uint8 is 255 projectFinance.additionalPayeeSecondarySalesPercentage = uint8( _additionalPayeeSecondarySalesPercentage ); // assign project's splitter // @dev only call after all previous storage updates _assignSplitter(_projectId); // emit event for off-chain indexing emit AcceptedArtistAddressesAndSplits(_projectId); } else { proposedArtistAddressesAndSplitsHash[_projectId] = keccak256( abi.encode( _artistAddress, _additionalPayeePrimarySales, _additionalPayeePrimarySalesPercentage, _additionalPayeeSecondarySales, _additionalPayeeSecondarySalesPercentage ) ); } } /** * @notice Admin accepts a proposed set of updated artist address, * additional payee addresses, and percentage splits for project * `_projectId`. Addresses and percentages do not have to all be changed, * but they must all be defined as a complete set. * @param _projectId Project ID. * @param _artistAddress Artist address that controls the project, and may * receive payments. * @param _additionalPayeePrimarySales Address that may receive a * percentage split of the artist's primary sales revenue. * @param _additionalPayeePrimarySalesPercentage Percent of artist's * portion of primary sale revenue that will be split to address * `_additionalPayeePrimarySales`. * @param _additionalPayeeSecondarySales Address that may receive a percentage * split of the secondary sales royalties. * @param _additionalPayeeSecondarySalesPercentage Percent of artist's portion * of secondary sale royalties that will be split to address * `_additionalPayeeSecondarySales`. * @dev this must be called by the Admin ACL contract, and must only accept * the most recent proposed values for a given project (validated on-chain * by comparing the hash of the proposed and accepted values). * @dev `_artistAddress` must be a valid address (non-zero-address), but it * is intentionally allowable for `_additionalPayee{Primary,Secondaary}Sales` * and their associated percentages to be zero'd out by the controlling artist. */ function adminAcceptArtistAddressesAndSplits( uint256 _projectId, address payable _artistAddress, address payable _additionalPayeePrimarySales, uint256 _additionalPayeePrimarySalesPercentage, address payable _additionalPayeeSecondarySales, uint256 _additionalPayeeSecondarySalesPercentage ) external { _onlyValidProjectId(_projectId); _onlyAdminACLOrRenouncedArtist( _projectId, this.adminAcceptArtistAddressesAndSplits.selector ); _onlyNonZeroAddress(_artistAddress); // checks if ( proposedArtistAddressesAndSplitsHash[_projectId] != keccak256( abi.encode( _artistAddress, _additionalPayeePrimarySales, _additionalPayeePrimarySalesPercentage, _additionalPayeeSecondarySales, _additionalPayeeSecondarySalesPercentage ) ) ) { revert GenArt721Error(ErrorCodes.MustMatchArtistProposal); } // effects ProjectFinance storage projectFinance = _projectIdToFinancials[ _projectId ]; projectFinance.artistAddress = _artistAddress; projectFinance .additionalPayeePrimarySales = _additionalPayeePrimarySales; projectFinance.additionalPayeePrimarySalesPercentage = uint8( _additionalPayeePrimarySalesPercentage ); projectFinance .additionalPayeeSecondarySales = _additionalPayeeSecondarySales; projectFinance.additionalPayeeSecondarySalesPercentage = uint8( _additionalPayeeSecondarySalesPercentage ); // clear proposed values proposedArtistAddressesAndSplitsHash[_projectId] = bytes32(0); // assign project's splitter // @dev only call after all previous storage updates _assignSplitter(_projectId); // emit event for off-chain indexing emit AcceptedArtistAddressesAndSplits(_projectId); } /** * @notice Updates artist of project `_projectId` to `_artistAddress`. * This is to only be used in the event that the artist address is * compromised or sanctioned. * @param _projectId Project ID. * @param _artistAddress New artist address. */ function updateProjectArtistAddress( uint256 _projectId, address payable _artistAddress ) external { _onlyValidProjectId(_projectId); _onlyAdminACLOrRenouncedArtist( _projectId, this.updateProjectArtistAddress.selector ); _onlyNonZeroAddress(_artistAddress); _projectIdToFinancials[_projectId].artistAddress = _artistAddress; // assign project's splitter // @dev only call after all previous storage updates _assignSplitter(_projectId); emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_ARTIST_ADDRESS)) ); } /** * @notice Toggles paused state of project `_projectId`. * @param _projectId Project ID to be toggled. */ function toggleProjectIsPaused(uint256 _projectId) external { _onlyArtist(_projectId); projects[_projectId].paused = !projects[_projectId].paused; emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_PAUSED)) ); } /** * @notice Adds new project `_projectName` by `_artistAddress`. * @param _projectName Project name. * @param _artistAddress Artist's address. * @dev token price now stored on minter */ function addProject( string memory _projectName, address payable _artistAddress ) external { _onlyAdminACL(this.addProject.selector); _onlyNonEmptyString(_projectName); _onlyNonZeroAddress(_artistAddress); if (newProjectsForbidden) { revert GenArt721Error(ErrorCodes.NewProjectsForbidden); } uint256 projectId = _nextProjectId; ProjectFinance storage projectFinance = _projectIdToFinancials[ projectId ]; projectFinance.artistAddress = _artistAddress; projects[projectId].name = _projectName; projects[projectId].paused = true; projects[projectId].maxInvocations = ONE_MILLION_UINT24; projects[projectId].projectBaseURI = defaultBaseURI; // assign default artist royalty to artist projectFinance .secondaryMarketRoyaltyPercentage = _DEFAULT_ARTIST_SECONDARY_ROYALTY_PERCENTAGE; // copy default platform and render provider royalties to ProjectFinance projectFinance .platformProviderSecondarySalesAddress = defaultPlatformProviderSecondarySalesAddress; projectFinance.platformProviderSecondarySalesBPS = uint16( defaultPlatformProviderSecondarySalesBPS ); projectFinance .renderProviderSecondarySalesAddress = defaultRenderProviderSecondarySalesAddress; projectFinance.renderProviderSecondarySalesBPS = uint16( defaultRenderProviderSecondarySalesBPS ); _nextProjectId = uint248(projectId) + 1; // @dev emit initial project created event before splitter event emit ProjectUpdated( projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_CREATED)) ); // assign project's splitter // @dev only call after all previous storage updates _assignSplitter(projectId); } /** * @notice Forever forbids new projects from being added to this contract. */ function forbidNewProjects() external { _onlyAdminACL(this.forbidNewProjects.selector); if (newProjectsForbidden) { revert GenArt721Error(ErrorCodes.NewProjectsAlreadyForbidden); } _forbidNewProjects(); } /** * @notice Updates name of project `_projectId` to be `_projectName`. * @param _projectId Project ID. * @param _projectName New project name. */ function updateProjectName( uint256 _projectId, string memory _projectName ) external { _onlyUnlocked(_projectId); _onlyArtistOrAdminACL(_projectId, this.updateProjectName.selector); _onlyNonEmptyString(_projectName); projects[_projectId].name = _projectName; emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_NAME)) ); } /** * @notice Updates artist name for project `_projectId` to be * `_projectArtistName`. * @dev allows admin to update after project is locked, due to our * experiences of artist name changes being requested post-lock. * @param _projectId Project ID. * @param _projectArtistName New artist name. */ function updateProjectArtistName( uint256 _projectId, string memory _projectArtistName ) external { // if unlocked, only artist may update, if locked, only admin may update // @dev valid project checked in _projectUnlocked function if (_projectUnlocked(_projectId)) { if ( msg.sender != _projectIdToFinancials[_projectId].artistAddress ) { revert GenArt721Error(ErrorCodes.OnlyArtistOrAdminIfLocked); } } else { if ( !adminACLAllowed( msg.sender, address(this), this.updateProjectArtistName.selector ) ) { revert GenArt721Error(ErrorCodes.OnlyArtistOrAdminIfLocked); } } _onlyNonEmptyString(_projectArtistName); projects[_projectId].artist = _projectArtistName; emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_ARTIST_NAME)) ); } /** * @notice Updates artist secondary market royalties for project * `_projectId` to be `_secondaryMarketRoyalty` percent. * This deploys a new splitter contract if needed. * This DOES NOT include the secondary market royalty percentages collected * by the issuing platform; it is only the total percentage of royalties * that will be split to artist and additionalSecondaryPayee. * @param _projectId Project ID. * @param _secondaryMarketRoyalty Percent of secondary sales revenue that will * be split to artist and additionalSecondaryPayee. This must be less than * or equal to ARTIST_MAX_SECONDARY_ROYALTY_PERCENTAGE percent. */ function updateProjectSecondaryMarketRoyaltyPercentage( uint256 _projectId, uint256 _secondaryMarketRoyalty ) external { _onlyArtist(_projectId); if (_secondaryMarketRoyalty > ARTIST_MAX_SECONDARY_ROYALTY_PERCENTAGE) { revert GenArt721Error(ErrorCodes.OverMaxSecondaryRoyaltyPercentage); } _projectIdToFinancials[_projectId] .secondaryMarketRoyaltyPercentage = uint8(_secondaryMarketRoyalty); // assign project's splitter // @dev only call after all previous storage updates _assignSplitter(_projectId); emit ProjectUpdated( _projectId, bytes32( uint256( ProjectUpdatedFields .FIELD_PROJECT_SECONDARY_MARKET_ROYALTY_PERCENTAGE ) ) ); } /** * @notice Updates platform and render provider secondary market royalty addresses * and BPS to the contract-level default values for project `_projectId`. * This updates the splitter parameters on the existing splitter for the project. * Reverts if called by a non-admin address. * @param _projectId Project ID. */ function syncProviderSecondaryForProjectToDefaults( uint256 _projectId ) external { _onlyAdminACL(this.syncProviderSecondaryForProjectToDefaults.selector); _onlyValidProjectId(_projectId); ProjectFinance storage projectFinance = _projectIdToFinancials[ _projectId ]; // update project finance for project in storage projectFinance .platformProviderSecondarySalesAddress = defaultPlatformProviderSecondarySalesAddress; projectFinance.platformProviderSecondarySalesBPS = uint16( defaultPlatformProviderSecondarySalesBPS ); projectFinance .renderProviderSecondarySalesAddress = defaultRenderProviderSecondarySalesAddress; projectFinance.renderProviderSecondarySalesBPS = uint16( defaultRenderProviderSecondarySalesBPS ); emit ProjectUpdated( _projectId, bytes32( uint256( ProjectUpdatedFields .FIELD_PROJECT_PROVIDER_SECONDARY_FINANCIALS ) ) ); // assign project's splitter // @dev only call after all previous storage updates _assignSplitter(_projectId); } /** * @notice Updates description of project `_projectId`. * Only artist may call when unlocked, only admin may call when locked. * Note: The BytecodeStorage library is used to store the description to * reduce initial upload cost, however, even minor edits will require an * expensive, entirely new bytecode storage contract to be deployed instead * of relatively cheap updates to already-warm storage slots. This results * in an increased gas cost for minor edits to the description after the * initial upload, but an overall decrease in gas cost for projects with * less than ~3-5 edits (depending on the length of the description). * @param _projectId Project ID. * @param _projectDescription New project description. */ function updateProjectDescription( uint256 _projectId, string memory _projectDescription ) external { // checks // if unlocked, only artist may update, if locked, only admin may update if (_projectUnlocked(_projectId)) { if ( msg.sender != _projectIdToFinancials[_projectId].artistAddress ) { revert GenArt721Error(ErrorCodes.OnlyArtistOrAdminIfLocked); } } else { if ( !adminACLAllowed( msg.sender, address(this), this.updateProjectDescription.selector ) ) { revert GenArt721Error(ErrorCodes.OnlyArtistOrAdminIfLocked); } } // effects // store description in contract bytecode, replacing reference address from // the old storage description with the newly created one projects[_projectId].descriptionAddress = _projectDescription .writeToBytecode(); emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_DESCRIPTION)) ); } /** * @notice Updates website of project `_projectId` to be `_projectWebsite`. * @param _projectId Project ID. * @param _projectWebsite New project website. * @dev It is intentionally allowed for this to be set to the empty string. */ function updateProjectWebsite( uint256 _projectId, string memory _projectWebsite ) external { _onlyArtist(_projectId); projects[_projectId].website = _projectWebsite; emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_WEBSITE)) ); } /** * @notice Updates license for project `_projectId`. * @param _projectId Project ID. * @param _projectLicense New project license. */ function updateProjectLicense( uint256 _projectId, string memory _projectLicense ) external { _onlyUnlocked(_projectId); _onlyArtistOrAdminACL(_projectId, this.updateProjectLicense.selector); _onlyNonEmptyString(_projectLicense); projects[_projectId].license = _projectLicense; emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_LICENSE)) ); } /** * @notice Updates maximum invocations for project `_projectId` to * `_maxInvocations`. Maximum invocations may only be decreased by the * artist, and must be greater than or equal to current invocations. * New projects are created with maximum invocations of 1 million by * default. * @param _projectId Project ID. * @param _maxInvocations New maximum invocations. */ function updateProjectMaxInvocations( uint256 _projectId, uint24 _maxInvocations ) external { _onlyArtist(_projectId); // CHECKS Project storage project = projects[_projectId]; uint256 _invocations = project.invocations; if (_maxInvocations >= project.maxInvocations) { revert GenArt721Error(ErrorCodes.OnlyMaxInvocationsDecrease); } if (_maxInvocations < _invocations) { revert GenArt721Error(ErrorCodes.OnlyGteInvocations); } // EFFECTS project.maxInvocations = _maxInvocations; emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_MAX_INVOCATIONS)) ); // register completed timestamp if action completed the project if (_maxInvocations == _invocations) { _completeProject(_projectId); } } /** * @notice Adds a script to project `_projectId`. * @param _projectId Project to be updated. * @param _script Script to be added. Required to be a non-empty string, * but no further validation is performed. */ function addProjectScript( uint256 _projectId, string memory _script ) external { _onlyUnlocked(_projectId); _onlyArtistOrAdminACL(_projectId, this.addProjectScript.selector); _onlyNonEmptyString(_script); Project storage project = projects[_projectId]; // store script in contract bytecode project.scriptBytecodeAddresses[project.scriptCount] = _script .writeToBytecode(); project.scriptCount = project.scriptCount + 1; emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_SCRIPT)) ); } /** * @notice Adds a pre-compressed script to project `_projectId`. The script * should be compressed using `getCompressed`. This function stores the script * in a compressed format on-chain. For reads, the compressed script is * decompressed on-chain, ensuring the original text is reconstructed without * external dependencies. * @param _projectId Project to be updated. * @param _compressedScript Pre-compressed script to be added. * Required to be non-empty, but no further validation is performed. */ function addProjectScriptCompressed( uint256 _projectId, bytes memory _compressedScript ) external { _onlyUnlocked(_projectId); _onlyArtistOrAdminACL( _projectId, this.addProjectScriptCompressed.selector ); _onlyNonEmptyBytes(_compressedScript); Project storage project = projects[_projectId]; // store compressed script in contract bytecode project.scriptBytecodeAddresses[project.scriptCount] = _compressedScript .writeToBytecodeCompressed(); project.scriptCount = project.scriptCount + 1; emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_SCRIPT)) ); } /** * @notice Updates script for project `_projectId` at script ID `_scriptId`. * @param _projectId Project to be updated. * @param _scriptId Script ID to be updated. * @param _script The updated script value. Required to be a non-empty * string, but no further validation is performed. */ function updateProjectScript( uint256 _projectId, uint256 _scriptId, string memory _script ) external { _onlyUnlocked(_projectId); _onlyArtistOrAdminACL(_projectId, this.updateProjectScript.selector); _onlyNonEmptyString(_script); Project storage project = projects[_projectId]; if (_scriptId >= project.scriptCount) { revert GenArt721Error(ErrorCodes.ScriptIdOutOfRange); } // store script in contract bytecode, replacing reference address from // the old storage contract with the newly created one project.scriptBytecodeAddresses[_scriptId] = _script.writeToBytecode(); emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_SCRIPT)) ); } /** * @notice Updates script for project `_projectId` at script ID `_scriptId` * with a pre-compressed script. The script should be compressed using * `getCompressed`. This function stores the script in a compressed format * on-chain. For reads, the compressed script is decompressed on-chain, ensuring * the original text is reconstructed without external dependencies. * @param _projectId Project to be updated. * @param _scriptId Script ID to be updated. * @param _compressedScript The updated pre-compressed script value. * Required to be non-empty, but no further validation is performed. */ function updateProjectScriptCompressed( uint256 _projectId, uint256 _scriptId, bytes memory _compressedScript ) external { _onlyUnlocked(_projectId); _onlyArtistOrAdminACL( _projectId, this.updateProjectScriptCompressed.selector ); _onlyNonEmptyBytes(_compressedScript); Project storage project = projects[_projectId]; if (_scriptId >= project.scriptCount) { revert GenArt721Error(ErrorCodes.ScriptIdOutOfRange); } // store script in contract bytecode, replacing reference address from // the old storage contract with the newly created one project.scriptBytecodeAddresses[_scriptId] = _compressedScript .writeToBytecodeCompressed(); emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_SCRIPT)) ); } /** * @notice Removes last script from project `_projectId`. * @param _projectId Project to be updated. */ function removeProjectLastScript(uint256 _projectId) external { _onlyUnlocked(_projectId); _onlyArtistOrAdminACL( _projectId, this.removeProjectLastScript.selector ); Project storage project = projects[_projectId]; if (project.scriptCount == 0) { revert GenArt721Error(ErrorCodes.NoScriptsToRemove); } // delete reference to old storage contract address delete project.scriptBytecodeAddresses[project.scriptCount - 1]; unchecked { project.scriptCount = project.scriptCount - 1; } emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_SCRIPT)) ); } /** * @notice Updates script type for project `_projectId`. * @param _projectId Project to be updated. * @param _scriptTypeAndVersion Script type and version e.g. "[email protected]", * as bytes32 encoded string. */ function updateProjectScriptType( uint256 _projectId, bytes32 _scriptTypeAndVersion ) external { _onlyUnlocked(_projectId); _onlyArtistOrAdminACL( _projectId, this.updateProjectScriptType.selector ); Project storage project = projects[_projectId]; // require exactly one @ symbol in _scriptTypeAndVersion if ( !_scriptTypeAndVersion.containsExactCharacterQty( AT_CHARACTER_CODE, uint8(1) ) ) { revert GenArt721Error(ErrorCodes.ScriptTypeAndVersionFormat); } project.scriptTypeAndVersion = _scriptTypeAndVersion; emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_SCRIPT_TYPE)) ); } /** * @notice Updates project's aspect ratio. * @param _projectId Project to be updated. * @param _aspectRatio Aspect ratio to be set. Intended to be string in the * format of a decimal, e.g. "1" for square, "1.77777778" for 16:9, etc., * allowing for a maximum of 10 digits and one (optional) decimal separator. */ function updateProjectAspectRatio( uint256 _projectId, string memory _aspectRatio ) external { _onlyUnlocked(_projectId); _onlyArtistOrAdminACL( _projectId, this.updateProjectAspectRatio.selector ); _onlyNonEmptyString(_aspectRatio); // Perform more detailed input validation for aspect ratio. bytes memory aspectRatioBytes = bytes(_aspectRatio); uint256 bytesLength = aspectRatioBytes.length; if (bytesLength > 11) { revert GenArt721Error(ErrorCodes.AspectRatioTooLong); } bool hasSeenDecimalSeparator = false; bool hasSeenNumber = false; for (uint256 i; i < bytesLength; i++) { bytes1 character = aspectRatioBytes[i]; // Allow as many #s as desired. if (character >= 0x30 && character <= 0x39) { // 9-0 // We need to ensure there is at least 1 `9-0` occurrence. hasSeenNumber = true; continue; } if (character == 0x2E) { // . // Allow no more than 1 `.` occurrence. if (!hasSeenDecimalSeparator) { hasSeenDecimalSeparator = true; continue; } } revert GenArt721Error(ErrorCodes.AspectRatioImproperFormat); } if (!hasSeenNumber) { revert GenArt721Error(ErrorCodes.AspectRatioNoNumbers); } projects[_projectId].aspectRatio = _aspectRatio; emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_ASPECT_RATIO)) ); } /** * @notice Updates base URI for project `_projectId` to `_newBaseURI`. * This is the controlling base URI for all tokens in the project. The * contract-level defaultBaseURI is only used when initializing new * projects. * @param _projectId Project to be updated. * @param _newBaseURI New base URI. */ function updateProjectBaseURI( uint256 _projectId, string memory _newBaseURI ) external { _onlyArtist(_projectId); _onlyNonEmptyString(_newBaseURI); projects[_projectId].projectBaseURI = _newBaseURI; emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_BASE_URI)) ); } /** * @notice Updates default base URI to `_defaultBaseURI`. The * contract-level defaultBaseURI is only used when initializing new * projects. Token URIs are determined by their project's `projectBaseURI`. * @param _defaultBaseURI New default base URI. */ function updateDefaultBaseURI(string memory _defaultBaseURI) external { _onlyAdminACL(this.updateDefaultBaseURI.selector); _onlyNonEmptyString(_defaultBaseURI); _updateDefaultBaseURI(_defaultBaseURI); } /** * @notice Next project ID to be created on this contract. * @return uint256 Next project ID. */ function nextProjectId() external view returns (uint256) { return _nextProjectId; } /** * @notice Returns token hash for token ID `_tokenId`. Returns null if hash * has not been set. * @param _tokenId Token ID to be queried. * @return bytes32 Token hash. * @dev token hash is the keccak256 hash of the stored hash seed */ function tokenIdToHash(uint256 _tokenId) external view returns (bytes32) { bytes12 _hashSeed = _ownersAndHashSeeds[_tokenId].hashSeed; if (_hashSeed == 0) { return 0; } return keccak256(abi.encode(_hashSeed)); } /** * @notice Returns token hash **seed** for token ID `_tokenId`. Returns * null if hash seed has not been set. The hash seed id the bytes12 value * which is hashed to produce the token hash. * @param _tokenId Token ID to be queried. * @return bytes12 Token hash seed. * @dev token hash seed is keccak256 hashed to give the token hash */ function tokenIdToHashSeed( uint256 _tokenId ) external view returns (bytes12) { return _ownersAndHashSeeds[_tokenId].hashSeed; } /** * @notice View function returning the render provider portion of * primary sales, in percent. * @return uint256 The render provider portion of primary sales, * in percent. */ function renderProviderPrimarySalesPercentage() external view returns (uint256) { return _renderProviderPrimarySalesPercentage; } /** * @notice View function returning the platform provider portion of * primary sales, in percent. * @return uint256 The platform provider portion of primary sales, * in percent. */ function platformProviderPrimarySalesPercentage() external view returns (uint256) { return _platformProviderPrimarySalesPercentage; } /** * @notice View function returning Artist's address for project * `_projectId`. * @param _projectId Project ID to be queried. * @return address Artist's address. */ function projectIdToArtistAddress( uint256 _projectId ) external view returns (address payable) { return _projectIdToFinancials[_projectId].artistAddress; } /** * @notice View function returning Artist's secondary market royalty * percentage for project `_projectId`. * This does not include render/platform providers portions of secondary * market royalties. * @param _projectId Project ID to be queried. * @return uint256 Artist's secondary market royalty percentage. */ function projectIdToSecondaryMarketRoyaltyPercentage( uint256 _projectId ) external view returns (uint256) { return _projectIdToFinancials[_projectId].secondaryMarketRoyaltyPercentage; } /** * @notice View function returning project financial details for project * `_projectId`. * @param _projectId Project ID to be queried. * @return ProjectFinance Project financial details. */ function projectIdToFinancials( uint256 _projectId ) external view returns (ProjectFinance memory) { return _projectIdToFinancials[_projectId]; } /** * @notice Returns project details for project `_projectId`. * @param _projectId Project to be queried. * @return projectName Name of project * @return artist Artist of project * @return description Project description * @return website Project website * @return license Project license * @dev this function was named projectDetails prior to V3 core contract. */ function projectDetails( uint256 _projectId ) external view returns ( string memory projectName, string memory artist, string memory description, string memory website, string memory license ) { Project storage project = projects[_projectId]; projectName = project.name; artist = project.artist; address projectDescriptionBytecodeAddress = project.descriptionAddress; if (projectDescriptionBytecodeAddress == address(0)) { description = ""; } else { description = _readFromBytecode(projectDescriptionBytecodeAddress); } website = project.website; license = project.license; } /** * @notice Returns project state data for project `_projectId`. * @param _projectId Project to be queried * @return invocations Current number of invocations * @return maxInvocations Maximum allowed invocations * @return active Boolean representing if project is currently active * @return paused Boolean representing if project is paused * @return completedTimestamp zero if project not complete, otherwise * timestamp of project completion. * @return locked Boolean representing if project is locked * @dev price and currency info are located on minter contracts */ function projectStateData( uint256 _projectId ) external view returns ( uint256 invocations, uint256 maxInvocations, bool active, bool paused, uint256 completedTimestamp, bool locked ) { Project storage project = projects[_projectId]; invocations = project.invocations; maxInvocations = project.maxInvocations; active = project.active; paused = project.paused; completedTimestamp = project.completedTimestamp; locked = !_projectUnlocked(_projectId); } /** * @notice Returns script information for project `_projectId`. * @param _projectId Project to be queried. * @return scriptTypeAndVersion Project's script type and version * (e.g. "p5js(atSymbol)1.0.0") * @return aspectRatio Aspect ratio of project (e.g. "1" for square, * "1.77777778" for 16:9, etc.) * @return scriptCount Count of scripts for project */ function projectScriptDetails( uint256 _projectId ) external view override(IGenArt721CoreContractV3_Base, IDependencyRegistryCompatibleV0) returns ( string memory scriptTypeAndVersion, string memory aspectRatio, uint256 scriptCount ) { Project storage project = projects[_projectId]; scriptTypeAndVersion = project.scriptTypeAndVersion.toString(); aspectRatio = project.aspectRatio; scriptCount = project.scriptCount; } /** * @notice Returns address with bytecode containing project script for * project `_projectId` at script index `_index`. */ function projectScriptBytecodeAddressByIndex( uint256 _projectId, uint256 _index ) external view returns (address) { return projects[_projectId].scriptBytecodeAddresses[_index]; } /** * @notice Returns the compressed form of a string in bytes using solady LibZip's flz compress algorithm. The bytes output from this function are intended to be used as input to `addProjectScriptCompressed` and `updateProjectScriptCompressed`. * @param _script Script to be compressed. Required to be a non-empty string, but no further validaton is performed. * @return bytes compressed bytes */ function getCompressed( string memory _script ) external pure returns (bytes memory) { _onlyNonEmptyString(_script); // @dev want a potentially version-specific compression algorithm, so use version-specific library here return BytecodeStorageReader.getCompressed(_script); } /** * @notice Returns script for project `_projectId` at script index `_index`. * @param _projectId Project to be queried. * @param _index Index of script to be queried. */ function projectScriptByIndex( uint256 _projectId, uint256 _index ) external view returns (string memory) { Project storage project = projects[_projectId]; // If trying to access an out-of-index script, return the empty string. if (_index >= project.scriptCount) { return ""; } return _readFromBytecode(project.scriptBytecodeAddresses[_index]); } /** * @notice Returns base URI for project `_projectId`. * @param _projectId Project to be queried. * @return projectBaseURI Base URI for project */ function projectURIInfo( uint256 _projectId ) external view returns (string memory projectBaseURI) { projectBaseURI = projects[_projectId].projectBaseURI; } /** * @notice Backwards-compatible (pre-V3) function returning if `_minter` is * minterContract. * @param _minter Address to be queried. * @return bool Boolean representing if `_minter` is minterContract. */ function isMintWhitelisted(address _minter) external view returns (bool) { return (minterContract == _minter); } /** * @notice Gets qty of randomizers in history of all randomizers used by * this core contract. If a randomizer is switched away from then back to, * it will show up in the history twice. * @return randomizerHistoryCount Count of randomizers in history */ function numHistoricalRandomizers() external view returns (uint256) { return _historicalRandomizerAddresses.length; } /** * @notice Gets address of randomizer at index `_index` in history of all * randomizers used by this core contract. Index is zero-based. * @param _index Historical index of randomizer to be queried. * @return randomizerAddress Address of randomizer at index `_index`. * @dev If a randomizer is switched away from and then switched back to, it * will show up in the history twice. */ function getHistoricalRandomizerAt( uint256 _index ) external view returns (address) { if (_index >= _historicalRandomizerAddresses.length) { revert GenArt721Error(ErrorCodes.IndexOutOfBounds); } return _historicalRandomizerAddresses[_index]; } /** * @notice Gets ERC-2981 royalty information for token with ID `_tokenId` * and sale price `_salePrice`. * @param _tokenId Token ID to be queried for royalty information * @param _salePrice the sale price of the NFT asset specified by _tokenId * @return receiver address that should be sent the royalty payment * @return royaltyAmount the royalty payment amount for `_salePrice * @dev reverts if invalid _tokenId */ function royaltyInfo( uint256 _tokenId, uint256 _salePrice ) external view returns (address receiver, uint256 royaltyAmount) { _onlyValidTokenId(_tokenId); // populate receiver with project's royalty splitter // @dev royalty splitter created upon project creation, so will always exist // for valid token ID uint256 projectId = tokenIdToProjectId(_tokenId); ProjectFinance storage projectFinance = _projectIdToFinancials[ projectId ]; receiver = projectFinance.royaltySplitter; // populate royaltyAmount with calculated royalty amount // @dev important to cast to uint256 before multiplying to avoid overflow uint256 totalRoyaltyBPS = (100 * uint256(projectFinance.secondaryMarketRoyaltyPercentage)) + projectFinance.platformProviderSecondarySalesBPS + projectFinance.renderProviderSecondarySalesBPS; // @dev totalRoyaltyBPS guaranteed to be <= 10,000, if (totalRoyaltyBPS > 10_000) { revert GenArt721Error(ErrorCodes.OverMaxSumOfBPS); } // @dev overflow automatically checked in solidity 0.8 // @dev totalRoyaltyBPS guaranteed to be <= 10_000, // so overflow only possible with unreasonably high _salePrice values near uint256 max royaltyAmount = (_salePrice * totalRoyaltyBPS) / 10_000; } /** * @notice View function that returns appropriate revenue splits between * different render provider, platform provider, Artist, and Artist's * additional primary sales payee given a sale price of `_price` on * project `_projectId`. * This always returns four revenue amounts and four addresses, but if a * revenue is zero for either Artist or additional payee, the corresponding * address returned will also be null (for gas optimization). * Does not account for refund if user overpays for a token (minter should * handle a refund of the difference, if appropriate). * Some minters may have alternative methods of splitting payments, in * which case they should implement their own payment splitting logic. * @param _projectId Project ID to be queried. * @param _price Sale price of token. * @return renderProviderRevenue_ amount of revenue to be sent to the * render provider * @return renderProviderAddress_ address to send render provider revenue to * @return platformProviderRevenue_ amount of revenue to be sent to the * platform provider * @return platformProviderAddress_ address to send platform provider revenue to * @return artistRevenue_ amount of revenue to be sent to Artist * @return artistAddress_ address to send Artist revenue to. Will be null * if no revenue is due to artist (gas optimization). * @return additionalPayeePrimaryRevenue_ amount of revenue to be sent to * additional payee for primary sales * @return additionalPayeePrimaryAddress_ address to send Artist's * additional payee for primary sales revenue to. Will be null if no * revenue is due to additional payee for primary sales (gas optimization). * @dev this always returns four addresses and four revenues, but if the * revenue is zero, the corresponding address will be address(0). It is up * to the contract performing the revenue split to handle this * appropriately. */ function getPrimaryRevenueSplits( uint256 _projectId, uint256 _price ) external view returns ( uint256 renderProviderRevenue_, address payable renderProviderAddress_, uint256 platformProviderRevenue_, address payable platformProviderAddress_, uint256 artistRevenue_, address payable artistAddress_, uint256 additionalPayeePrimaryRevenue_, address payable additionalPayeePrimaryAddress_ ) { ProjectFinance storage projectFinance = _projectIdToFinancials[ _projectId ]; // calculate revenues – this is a three-way split between the // render provider, the platform provider, and the artist, and // is safe to perform this given that in the case of loss of // precision Solidity will round down. uint256 projectFunds = _price; renderProviderRevenue_ = (_price * uint256(_renderProviderPrimarySalesPercentage)) / ONE_HUNDRED; // renderProviderRevenue_ percentage is always <=100, so guaranteed to never underflow projectFunds -= renderProviderRevenue_; platformProviderRevenue_ = (_price * uint256(_platformProviderPrimarySalesPercentage)) / ONE_HUNDRED; // platformProviderRevenue_ percentage is always <=100, so guaranteed to never underflow projectFunds -= platformProviderRevenue_; additionalPayeePrimaryRevenue_ = (projectFunds * projectFinance.additionalPayeePrimarySalesPercentage) / ONE_HUNDRED; // projectIdToAdditionalPayeePrimarySalesPercentage is always // <=100, so guaranteed to never underflow artistRevenue_ = projectFunds - additionalPayeePrimaryRevenue_; // set addresses from storage renderProviderAddress_ = renderProviderPrimarySalesAddress; platformProviderAddress_ = platformProviderPrimarySalesAddress; if (artistRevenue_ > 0) { artistAddress_ = projectFinance.artistAddress; } if (additionalPayeePrimaryRevenue_ > 0) { additionalPayeePrimaryAddress_ = projectFinance .additionalPayeePrimarySales; } } /** * @notice Returns external asset dependency for project `_projectId` at index `_index`. * If the dependencyType is ONCHAIN, the `data` field will contain the extrated bytecode data and `cid` * will be an empty string. Conversly, for any other dependencyType, the `data` field will be an empty string * and the `bytecodeAddress` will point to the zero address. * If the dependencyType is ART_BLOCKS_DEPENDENCY_REGISTRY, the `cid` field will contain the string * representation of the dependencyNameAndVersion bytes32 value stored in the dependency registry ( * at public address `artblocksDependencyRegistryAddress`) * @param _projectId Project to be queried. * @param _index Index of external asset dependency to be queried. * @return ExternalAssetDependencyWithData External asset dependency for project `_projectId` at index `_index`. */ function projectExternalAssetDependencyByIndex( uint256 _projectId, uint256 _index ) external view returns (ExternalAssetDependencyWithData memory) { return V3FlexLib.projectExternalAssetDependencyByIndex({ _projectId: _projectId, _index: _index, _bytecodeStorageReaderContract: bytecodeStorageReaderContract }); } /** * @notice Returns external asset dependency count for project `_projectId` at index `_index`. * @param _projectId Project to be queried. * @return uint256 Count of external asset dependencies for project `_projectId`. */ function projectExternalAssetDependencyCount( uint256 _projectId ) external view returns (uint256) { return V3FlexLib.projectExternalAssetDependencyCount({ _projectId: _projectId }); } /** * @notice Returns the preferred IPFS gateway for the platform. * @return string Preferred IPFS gateway for the platform. */ function preferredIPFSGateway() external view returns (string memory) { return V3FlexLib.preferredIPFSGateway(); } /** * @notice Returns the preferred Arweave gateway for the platform. * @return string Preferred Arweave gateway for the platform. */ function preferredArweaveGateway() external view returns (string memory) { return V3FlexLib.preferredArweaveGateway(); } /** * @notice Backwards-compatible (pre-V3) getter returning contract admin * @return address Address of contract admin (same as owner) */ function admin() external view returns (address) { return owner(); } /** * @notice Gets the project ID for a given `_tokenId`. * @param _tokenId Token ID to be queried. * @return _projectId Project ID for given `_tokenId`. */ function tokenIdToProjectId( uint256 _tokenId ) public pure returns (uint256 _projectId) { return _tokenId / ONE_MILLION; } /** * @notice Convenience function that returns whether `_sender` is allowed * to call function with selector `_selector` on contract `_contract`, as * determined by this contract's current Admin ACL contract. Expected use * cases include minter contracts checking if caller is allowed to call * admin-gated functions on minter contracts. * @param _sender Address of the sender calling function with selector * `_selector` on contract `_contract`. * @param _contract Address of the contract being called by `_sender`. * @param _selector Function selector of the function being called by * `_sender`. * @return bool Whether `_sender` is allowed to call function with selector * `_selector` on contract `_contract`. * @dev assumes the Admin ACL contract is the owner of this contract, which * is expected to always be true. * @dev adminACLContract is expected to either be null address (if owner * has renounced ownership), or conform to IAdminACLV0 interface. Check for * null address first to avoid revert when admin has renounced ownership. */ function adminACLAllowed( address _sender, address _contract, bytes4 _selector ) public returns (bool) { return owner() != address(0) && adminACLContract.allowed(_sender, _contract, _selector); } /** * @notice Returns contract owner. Set to deployer's address by default on * contract deployment. * @return address Address of contract owner. * @dev ref: https://docs.openzeppelin.com/contracts/4.x/api/access#Ownable * @dev owner role was called `admin` prior to V3 core contract */ function owner() public view override(Ownable, IGenArt721CoreContractV3_Base) returns (address) { return Ownable.owner(); } /** * @notice Gets token URI for token ID `_tokenId`. * @param _tokenId Token ID to be queried. * @return string URI of token ID `_tokenId`. * @dev token URIs are the concatenation of the project base URI and the * token ID. */ function tokenURI( uint256 _tokenId ) public view override returns (string memory) { _onlyValidTokenId(_tokenId); string memory _projectBaseURI = projects[tokenIdToProjectId(_tokenId)] .projectBaseURI; return string.concat(_projectBaseURI, _tokenId.toString()); } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface( bytes4 interfaceId ) public view virtual override(ERC721_PackedHashSeedV1, IERC165) returns (bool) { return interfaceId == _INTERFACE_ID_ERC2981 || super.supportsInterface(interfaceId); } /** * @notice Forbids new projects from being created * @dev only performs operation and emits event if contract is not already * forbidding new projects. */ function _forbidNewProjects() internal { if (!newProjectsForbidden) { newProjectsForbidden = true; emit PlatformUpdated( bytes32( uint256(PlatformUpdatedFields.FIELD_NEW_PROJECTS_FORBIDDEN) ) ); } } /** * @notice Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. * @param newOwner New owner. * @dev owner role was called `admin` prior to V3 core contract. * @dev Overrides and wraps OpenZeppelin's _transferOwnership function to * also update adminACLContract for improved introspection. */ function _transferOwnership(address newOwner) internal override { Ownable._transferOwnership(newOwner); adminACLContract = IAdminACLV0(newOwner); } /** * @notice Updates sales addresses for the platform and render providers to * the input parameters. * Reverts if invalid platform provider addresses are provided given the * contract's immutably configured nullPlatformProvider state. * Does not check render provider addresses in any way. * @param _renderProviderPrimarySalesAddress Address of new primary sales * payment address. * @param _defaultRenderProviderSecondarySalesAddress Address of new secondary sales * payment address. * @param _platformProviderPrimarySalesAddress Address of new primary sales * payment address. * @param _defaultPlatformProviderSecondarySalesAddress Address of new secondary sales * payment address. */ function _updateProviderSalesAddresses( address _renderProviderPrimarySalesAddress, address _defaultRenderProviderSecondarySalesAddress, address _platformProviderPrimarySalesAddress, address _defaultPlatformProviderSecondarySalesAddress ) internal { if (nullPlatformProvider) { // require null platform provider address if ( _platformProviderPrimarySalesAddress != address(0) || _defaultPlatformProviderSecondarySalesAddress != address(0) ) { revert GenArt721Error(ErrorCodes.OnlyNullPlatformProvider); } } else { _onlyNonZeroAddress(_platformProviderPrimarySalesAddress); _onlyNonZeroAddress(_defaultPlatformProviderSecondarySalesAddress); } platformProviderPrimarySalesAddress = payable( _platformProviderPrimarySalesAddress ); defaultPlatformProviderSecondarySalesAddress = payable( _defaultPlatformProviderSecondarySalesAddress ); renderProviderPrimarySalesAddress = payable( _renderProviderPrimarySalesAddress ); defaultRenderProviderSecondarySalesAddress = payable( _defaultRenderProviderSecondarySalesAddress ); emit PlatformUpdated( bytes32( uint256(PlatformUpdatedFields.FIELD_PROVIDER_SALES_ADDRESSES) ) ); } /** * @notice Updates minter address to `_minterAddress`. * @param _minterAddress New minter address. * @dev Note that this method does not check that the input address is * not `address(0)`, as it is expected that callers of this method should * perform input validation where applicable. */ function _updateMinterContract(address _minterAddress) internal { minterContract = _minterAddress; emit MinterUpdated(_minterAddress); } /** * @notice Updates randomizer address to `_randomizerAddress`. * @param _randomizerAddress New randomizer address. * @dev Note that this method does not check that the input address is * not `address(0)`, as it is expected that callers of this method should * perform input validation where applicable. */ function _updateRandomizerAddress(address _randomizerAddress) internal { randomizerContract = IRandomizer_V3CoreBase(_randomizerAddress); // populate historical randomizer array _historicalRandomizerAddresses.push(_randomizerAddress); emit PlatformUpdated( bytes32(uint256(PlatformUpdatedFields.FIELD_RANDOMIZER_ADDRESS)) ); } /** * @notice Updates split provider address to `_splitProviderAddress`. * Reverts if `_splitProviderAddress` is the zero address. * @param _splitProviderAddress New split provider address. * @dev Note that this method does not check that the input address is * not `address(0)`, as it is expected that callers of this method should * perform input validation where applicable. */ function _updateSplitProvider(address _splitProviderAddress) internal { // require non-zero split provider address _onlyNonZeroAddress(_splitProviderAddress); splitProvider = ISplitProviderV0(_splitProviderAddress); emit PlatformUpdated( bytes32(uint256(PlatformUpdatedFields.FIELD_SPLIT_PROVIDER)) ); } /** * @notice Update the bytecode storage reader contract address, and emit corresponding event. * @param _bytecodeStorageReaderContract New bytecode storage reader contract address. */ function _updateBytecodeStorageReaderContract( address _bytecodeStorageReaderContract ) internal { bytecodeStorageReaderContract = IBytecodeStorageReader_Base( _bytecodeStorageReaderContract ); emit PlatformUpdated( bytes32( uint256(PlatformUpdatedFields.FIELD_BYTECODE_STORAGE_READER) ) ); } /** * @notice internal function to update a splitter contract for a project, * based on the project's financials in this contract's storage. * @dev Warning: this function uses storage reads to get the project's * financials, so ensure storage has been updated before calling this * @dev This function includes a trusted interaction that is entrusted to * not reenter this contract. * @param projectId Project ID to be updated. */ function _assignSplitter(uint256 projectId) internal { ProjectFinance storage projectFinance = _projectIdToFinancials[ projectId ]; // assign project's royalty splitter // @dev loads values from storage, so need to ensure storage has been updated address royaltySplitter = splitProvider.getOrCreateSplitter( ISplitProviderV0.SplitInputs({ platformProviderSecondarySalesAddress: projectFinance .platformProviderSecondarySalesAddress, platformProviderSecondarySalesBPS: projectFinance .platformProviderSecondarySalesBPS, renderProviderSecondarySalesAddress: projectFinance .renderProviderSecondarySalesAddress, renderProviderSecondarySalesBPS: projectFinance .renderProviderSecondarySalesBPS, artistTotalRoyaltyPercentage: projectFinance .secondaryMarketRoyaltyPercentage, artist: projectFinance.artistAddress, additionalPayee: projectFinance.additionalPayeeSecondarySales, additionalPayeePercentage: projectFinance .additionalPayeeSecondarySalesPercentage }) ); projectFinance.royaltySplitter = royaltySplitter; emit ProjectRoyaltySplitterUpdated({ projectId: projectId, royaltySplitter: royaltySplitter }); } /** * @notice Updates default base URI to `_defaultBaseURI`. * When new projects are added, their `projectBaseURI` is automatically * initialized to `_defaultBaseURI`. * @param _defaultBaseURI New default base URI. * @dev Note that this method does not check that the input string is not * the empty string, as it is expected that callers of this method should * perform input validation where applicable. */ function _updateDefaultBaseURI(string memory _defaultBaseURI) internal { defaultBaseURI = _defaultBaseURI; emit PlatformUpdated( bytes32(uint256(PlatformUpdatedFields.FIELD_DEFAULT_BASE_URI)) ); } /** * @notice Internal function to complete a project. * @param _projectId Project ID to be completed. */ function _completeProject(uint256 _projectId) internal { projects[_projectId].completedTimestamp = uint64(block.timestamp); emit ProjectUpdated( _projectId, bytes32(uint256(ProjectUpdatedFields.FIELD_PROJECT_COMPLETED)) ); } /** * @notice Initializes the contract with the provided `engineConfiguration`. * This function should be called atomically, immediately after deployment. * Only callable once. Validation on `engineConfiguration` is performed by caller. * @param engineConfiguration EngineConfiguration to configure the contract with. * @param adminACLContract_ Address of admin access control contract, to be * set as contract owner. * @param defaultBaseURIHost Base URI prefix to initialize default base URI with. * @param bytecodeStorageReaderContract_ Address of bytecode storage reader contract. */ function _initialize( EngineConfiguration memory engineConfiguration, address adminACLContract_, string memory defaultBaseURIHost, address bytecodeStorageReaderContract_ ) internal { // can only be initialized once if (_initialized) { revert GenArt721Error(ErrorCodes.ContractInitialized); } // immediately mark as initialized _initialized = true; // @dev assume renderProviderAddress, randomizer, and AdminACL non-zero // checks on platform provider addresses performed in _updateProviderSalesAddresses // initialize default sales revenue percentages and basis points _renderProviderPrimarySalesPercentage = 10; defaultRenderProviderSecondarySalesBPS = 250; _platformProviderPrimarySalesPercentage = engineConfiguration .nullPlatformProvider ? 0 : 10; defaultPlatformProviderSecondarySalesBPS = engineConfiguration .nullPlatformProvider ? 0 : 250; // set token name and token symbol ERC721_PackedHashSeedV1.initialize( engineConfiguration.tokenName, engineConfiguration.tokenSymbol ); // update minter if populated if (engineConfiguration.minterFilterAddress != address(0)) { _updateMinterContract(engineConfiguration.minterFilterAddress); } _updateSplitProvider(engineConfiguration.splitProviderAddress); _updateBytecodeStorageReaderContract(bytecodeStorageReaderContract_); // setup immutable `autoApproveArtistSplitProposals` config autoApproveArtistSplitProposals = engineConfiguration .autoApproveArtistSplitProposals; // setup immutable `nullPlatformProvider` config nullPlatformProvider = engineConfiguration.nullPlatformProvider; // setup immutable `allowArtistProjectActivation` config allowArtistProjectActivation = engineConfiguration .allowArtistProjectActivation; // record contracts starting project ID // casting-up is safe startingProjectId = uint256(engineConfiguration.startingProjectId); // @dev nullPlatformProvider must be set before calling _updateProviderSalesAddresses _updateProviderSalesAddresses( engineConfiguration.renderProviderAddress, engineConfiguration.renderProviderAddress, engineConfiguration.platformProviderAddress, engineConfiguration.platformProviderAddress ); _updateRandomizerAddress(engineConfiguration.randomizerContract); // set AdminACL management contract as owner _transferOwnership(adminACLContract_); // initialize default base URI _updateDefaultBaseURI( string.concat(defaultBaseURIHost, address(this).toHexString(), "/") ); // initialize next project ID _nextProjectId = engineConfiguration.startingProjectId; emit PlatformUpdated( bytes32(uint256(PlatformUpdatedFields.FIELD_NEXT_PROJECT_ID)) ); // @dev This contract is registered on the core registry in a // subsequent call by the factory. } /** * @notice Internal function that returns whether a project is unlocked. * Projects automatically lock four weeks after they are completed. * Projects are considered completed when they have been invoked the * maximum number of times. * @param _projectId Project ID to be queried. * @return bool true if project is unlocked, false otherwise. * @dev This also enforces that the `_projectId` passed in is valid. */ function _projectUnlocked(uint256 _projectId) internal view returns (bool) { _onlyValidProjectId(_projectId); uint256 projectCompletedTimestamp = projects[_projectId] .completedTimestamp; bool projectOpen = projectCompletedTimestamp == 0; return projectOpen || (block.timestamp - projectCompletedTimestamp < FOUR_WEEKS_IN_SECONDS); } /** * @notice Helper for calling bytecodeStorageReaderContract reader method; * added for bytecode size reduction purposes. */ function _readFromBytecode( address _address ) internal view returns (string memory) { return bytecodeStorageReaderContract.readFromBytecode(_address); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol) pragma solidity ^0.8.20; import {Context} from "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * The initial owner is set to the address provided by the deployer. This can * later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ constructor(address initialOwner) { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol) pragma solidity ^0.8.20; /** * @dev Standard ERC20 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens. */ interface IERC20Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC20InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC20InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers. * @param spender Address that may be allowed to operate on tokens without being their owner. * @param allowance Amount of tokens a `spender` is allowed to operate with. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC20InvalidApprover(address approver); /** * @dev Indicates a failure with the `spender` to be approved. Used in approvals. * @param spender Address that may be allowed to operate on tokens without being their owner. */ error ERC20InvalidSpender(address spender); } /** * @dev Standard ERC721 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens. */ interface IERC721Errors { /** * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20. * Used in balance queries. * @param owner Address of the current owner of a token. */ error ERC721InvalidOwner(address owner); /** * @dev Indicates a `tokenId` whose `owner` is the zero address. * @param tokenId Identifier number of a token. */ error ERC721NonexistentToken(uint256 tokenId); /** * @dev Indicates an error related to the ownership over a particular token. Used in transfers. * @param sender Address whose tokens are being transferred. * @param tokenId Identifier number of a token. * @param owner Address of the current owner of a token. */ error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC721InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC721InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param tokenId Identifier number of a token. */ error ERC721InsufficientApproval(address operator, uint256 tokenId); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC721InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC721InvalidOperator(address operator); } /** * @dev Standard ERC1155 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens. */ interface IERC1155Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. * @param tokenId Identifier number of a token. */ error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC1155InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC1155InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param owner Address of the current owner of a token. */ error ERC1155MissingApprovalForAll(address operator, address owner); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC1155InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC1155InvalidOperator(address operator); /** * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation. * Used in batch transfers. * @param idsLength Length of the array of token identifiers * @param valuesLength Length of the array of token amounts */ error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.20; import {IERC165} from "../utils/introspection/IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo( uint256 tokenId, uint256 salePrice ) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.20; import {IERC721} from "../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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.20; import {IERC165} from "../../utils/introspection/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`. * * 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; /** * @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 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: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * 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 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 address zero. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.20; /** * @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 `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; /** * @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; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol) pragma solidity ^0.8.20; import {IERC165} from "./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); * } * ``` */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol) pragma solidity ^0.8.20; /** * @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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol) pragma solidity ^0.8.20; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { /** * @dev Muldiv operation overflow. */ error MathOverflowedMulDiv(); enum Rounding { Floor, // Toward negative infinity Ceil, // Toward positive infinity Trunc, // Toward zero Expand // Away from zero } /** * @dev Returns the addition of two unsigned integers, with an overflow flag. */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an overflow flag. */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds towards infinity instead * of rounding towards zero. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { if (b == 0) { // Guarantee the same behavior as in a regular Solidity division. return a / b; } // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or * denominator == 0. * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by * Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0 = x * y; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. if (denominator <= prod1) { revert MathOverflowedMulDiv(); } /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. // Always >= 1. See https://cs.stackexchange.com/q/138556/92363. uint256 twos = denominator & (0 - denominator); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also // works in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded * towards zero. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256 of a positive value rounded towards zero. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0); } } /** * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers. */ function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) { return uint8(rounding) % 2 == 1; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.20; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @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. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol) pragma solidity ^0.8.20; import {Math} from "./math/Math.sol"; import {SignedMath} from "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant HEX_DIGITS = "0123456789abcdef"; uint8 private constant ADDRESS_LENGTH = 20; /** * @dev The `value` string doesn't fit in the specified `length`. */ error StringsInsufficientHexLength(uint256 value, uint256 length); /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), HEX_DIGITS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toStringSigned(int256 value) internal pure returns (string memory) { return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { uint256 localValue = value; 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_DIGITS[localValue & 0xf]; localValue >>= 4; } if (localValue != 0) { revert StringsInsufficientHexLength(value, length); } return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal * representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b)); } }
// SPDX-License-Identifier: LGPL-3.0-only // Created By: Art Blocks Inc. pragma solidity ^0.8.0; import "./IAdminACLV0.sol"; interface IAdminACLV0_Extended is IAdminACLV0 { /** * @notice Allows superAdmin change the superAdmin address. * @param _newSuperAdmin The new superAdmin address. * @param _genArt721CoreAddressesToUpdate Array of genArt721Core * addresses to update to the new superAdmin, for indexing purposes only. * @dev this function is gated to only superAdmin address. */ function changeSuperAdmin( address _newSuperAdmin, address[] calldata _genArt721CoreAddressesToUpdate ) external; }
// SPDX-License-Identifier: LGPL-3.0-only // Created By: Art Blocks Inc. pragma solidity ^0.8.0; interface IAdminACLV0 { /** * @notice Token ID `_tokenId` minted to `_to`. * @param previousSuperAdmin The previous superAdmin address. * @param newSuperAdmin The new superAdmin address. * @param genArt721CoreAddressesToUpdate Array of genArt721Core * addresses to update to the new superAdmin, for indexing purposes only. */ event SuperAdminTransferred( address indexed previousSuperAdmin, address indexed newSuperAdmin, address[] genArt721CoreAddressesToUpdate ); /// Type of the Admin ACL contract, e.g. "AdminACLV0" function AdminACLType() external view returns (string memory); /// super admin address function superAdmin() external view returns (address); /** * @notice Calls transferOwnership on other contract from this contract. * This is useful for updating to a new AdminACL contract. * @dev this function should be gated to only superAdmin-like addresses. */ function transferOwnershipOn( address _contract, address _newAdminACL ) external; /** * @notice Calls renounceOwnership on other contract from this contract. * @dev this function should be gated to only superAdmin-like addresses. */ function renounceOwnershipOn(address _contract) external; /** * @notice Checks if sender `_sender` is allowed to call function with selector * `_selector` on contract `_contract`. */ function allowed( address _sender, address _contract, bytes4 _selector ) external returns (bool); }
// SPDX-License-Identifier: LGPL-3.0-only // Creatd By: Art Blocks Inc. pragma solidity ^0.8.0; /** * @title Art Blocks Script Storage Library - Minimal Interface for Reader Contracts * @notice This interface defines the minimal expected read function(s) for a Bytecode Storage Reader contract. */ interface IBytecodeStorageReader_Base { /** * @notice Read a string from a data contract deployed via BytecodeStorage. * @dev may also support reading additional stored data formats in the future. * @param address_ address of contract deployed via BytecodeStorage to be read * @return data The string data stored at the specific address. */ function readFromBytecode( address address_ ) external view returns (string memory data); }
// SPDX-License-Identifier: LGPL-3.0-only // Created By: Art Blocks Inc. pragma solidity ^0.8.19; interface IDependencyRegistryCompatibleV0 { /// Dependency registry managed by Art Blocks function artblocksDependencyRegistryAddress() external view returns (address); /** * @notice Returns script information for project `_projectId`. * @param _projectId Project to be queried. * @return scriptTypeAndVersion Project's script type and version * (e.g. "p5js(atSymbol)1.0.0") * @return aspectRatio Aspect ratio of project (e.g. "1" for square, * "1.77777778" for 16:9, etc.) * @return scriptCount Count of scripts for project */ function projectScriptDetails( uint256 _projectId ) external view returns ( string memory scriptTypeAndVersion, string memory aspectRatio, uint256 scriptCount ); }
// SPDX-License-Identifier: LGPL-3.0-only // Created By: Art Blocks Inc. pragma solidity ^0.8.0; interface IGenArt721CoreContractExposesHashSeed { // function to read the hash-seed for a given tokenId function tokenIdToHashSeed( uint256 _tokenId ) external view returns (bytes12); }
// SPDX-License-Identifier: LGPL-3.0-only // Created By: Art Blocks Inc. pragma solidity ^0.8.0; import "./IAdminACLV0.sol"; /** * @title This interface is intended to house interface items that are common * across all GenArt721CoreContractV3 flagship and derivative implementations. * This interface extends the IManifold royalty interface in order to * add support the Royalty Registry by default. * @author Art Blocks Inc. */ interface IGenArt721CoreContractV3_Base { // This interface emits generic events that contain fields that indicate // which parameter has been updated. This is sufficient for application // state management, while also simplifying the contract and indexing code. // This was done as an alternative to having custom events that emit what // field-values have changed for each event, given that changed values can // be introspected by indexers due to the design of this smart contract // exposing these state changes via publicly viewable fields. /** * @notice Project's royalty splitter was updated to `_splitter`. * @dev New event in v3.2 * @param projectId The project ID. * @param royaltySplitter The new splitter address to receive royalties. */ event ProjectRoyaltySplitterUpdated( uint256 indexed projectId, address indexed royaltySplitter ); // The following fields are used to indicate which contract-level parameter // has been updated in the `PlatformUpdated` event: // @dev only append to the end of this enum in the case of future updates enum PlatformUpdatedFields { FIELD_NEXT_PROJECT_ID, // 0 FIELD_NEW_PROJECTS_FORBIDDEN, // 1 FIELD_DEFAULT_BASE_URI, // 2 FIELD_RANDOMIZER_ADDRESS, // 3 FIELD_NEXT_CORE_CONTRACT, // 4 FIELD_ARTBLOCKS_DEPENDENCY_REGISTRY_ADDRESS, // 5 FIELD_ARTBLOCKS_ON_CHAIN_GENERATOR_ADDRESS, // 6 FIELD_PROVIDER_SALES_ADDRESSES, // 7 FIELD_PROVIDER_PRIMARY_SALES_PERCENTAGES, // 8 FIELD_PROVIDER_SECONDARY_SALES_BPS, // 9 FIELD_SPLIT_PROVIDER, // 10 FIELD_BYTECODE_STORAGE_READER // 11 } // The following fields are used to indicate which project-level parameter // has been updated in the `ProjectUpdated` event: // @dev only append to the end of this enum in the case of future updates enum ProjectUpdatedFields { FIELD_PROJECT_COMPLETED, // 0 FIELD_PROJECT_ACTIVE, // 1 FIELD_PROJECT_ARTIST_ADDRESS, // 2 FIELD_PROJECT_PAUSED, // 3 FIELD_PROJECT_CREATED, // 4 FIELD_PROJECT_NAME, // 5 FIELD_PROJECT_ARTIST_NAME, // 6 FIELD_PROJECT_SECONDARY_MARKET_ROYALTY_PERCENTAGE, // 7 FIELD_PROJECT_DESCRIPTION, // 8 FIELD_PROJECT_WEBSITE, // 9 FIELD_PROJECT_LICENSE, // 10 FIELD_PROJECT_MAX_INVOCATIONS, // 11 FIELD_PROJECT_SCRIPT, // 12 FIELD_PROJECT_SCRIPT_TYPE, // 13 FIELD_PROJECT_ASPECT_RATIO, // 14 FIELD_PROJECT_BASE_URI, // 15 FIELD_PROJECT_PROVIDER_SECONDARY_FINANCIALS // 16 } /** * @notice Error codes for the GenArt721 contract. Used by the GenArt721Error * custom error. * @dev only append to the end of this enum in the case of future updates */ enum ErrorCodes { OnlyNonZeroAddress, // 0 OnlyNonEmptyString, // 1 OnlyNonEmptyBytes, // 2 TokenDoesNotExist, // 3 ProjectDoesNotExist, // 4 OnlyUnlockedProjects, // 5 OnlyAdminACL, // 6 OnlyArtist, // 7 OnlyArtistOrAdminACL, // 8 OnlyAdminACLOrRenouncedArtist, // 9 OnlyMinterContract, // 10 MaxInvocationsReached, // 11 ProjectMustExistAndBeActive, // 12 PurchasesPaused, // 13 OnlyRandomizer, // 14 TokenHashAlreadySet, // 15 NoZeroHashSeed, // 16 OverMaxSumOfPercentages, // 17 IndexOutOfBounds, // 18 OverMaxSumOfBPS, // 19 MaxOf100Percent, // 20 PrimaryPayeeIsZeroAddress, // 21 SecondaryPayeeIsZeroAddress, // 22 MustMatchArtistProposal, // 23 NewProjectsForbidden, // 24 NewProjectsAlreadyForbidden, // 25 OnlyArtistOrAdminIfLocked, // 26 OverMaxSecondaryRoyaltyPercentage, // 27 OnlyMaxInvocationsDecrease, // 28 OnlyGteInvocations, // 29 ScriptIdOutOfRange, // 30 NoScriptsToRemove, // 31 ScriptTypeAndVersionFormat, // 32 AspectRatioTooLong, // 33 AspectRatioNoNumbers, // 34 AspectRatioImproperFormat, // 35 OnlyNullPlatformProvider, // 36 ContractInitialized // 37 } /** * @notice Emits an error code `_errorCode` in the GenArt721Error event. * @dev Emitting error codes instead of error strings saves significant * contract bytecode size, allowing for more contract functionality within * the 24KB contract size limit. * @param _errorCode The error code to emit. See ErrorCodes enum. */ error GenArt721Error(ErrorCodes _errorCode); /** * @notice Token ID `_tokenId` minted to `_to`. */ event Mint(address indexed _to, uint256 indexed _tokenId); /** * @notice currentMinter updated to `_currentMinter`. * @dev Implemented starting with V3 core */ event MinterUpdated(address indexed _currentMinter); /** * @notice Platform updated on bytes32-encoded field `_field`. */ event PlatformUpdated(bytes32 indexed _field); /** * @notice Project ID `_projectId` updated on bytes32-encoded field * `_update`. */ event ProjectUpdated(uint256 indexed _projectId, bytes32 indexed _update); event ProposedArtistAddressesAndSplits( uint256 indexed _projectId, address _artistAddress, address _additionalPayeePrimarySales, uint256 _additionalPayeePrimarySalesPercentage, address _additionalPayeeSecondarySales, uint256 _additionalPayeeSecondarySalesPercentage ); event AcceptedArtistAddressesAndSplits(uint256 indexed _projectId); // version and type of the core contract // coreVersion is a string of the form "0.x.y" function coreVersion() external view returns (string memory); // coreType is a string of the form "GenArt721CoreV3" function coreType() external view returns (string memory); // owner (pre-V3 was named admin) of contract // this is expected to be an Admin ACL contract for V3 function owner() external view returns (address); // Admin ACL contract for V3, will be at the address owner() function adminACLContract() external returns (IAdminACLV0); // backwards-compatible (pre-V3) admin - equal to owner() function admin() external view returns (address); /** * Function determining if _sender is allowed to call function with * selector _selector on contract `_contract`. Intended to be used with * peripheral contracts such as minters, as well as internally by the * core contract itself. */ function adminACLAllowed( address _sender, address _contract, bytes4 _selector ) external returns (bool); /// getter function of public variable function startingProjectId() external view returns (uint256); // getter function of public variable function nextProjectId() external view returns (uint256); // getter function of public mapping function tokenIdToProjectId( uint256 tokenId ) external view returns (uint256 projectId); // @dev this is not available in V0 function isMintWhitelisted(address minter) external view returns (bool); function projectIdToArtistAddress( uint256 _projectId ) external view returns (address payable); function projectIdToSecondaryMarketRoyaltyPercentage( uint256 _projectId ) external view returns (uint256); function projectURIInfo( uint256 _projectId ) external view returns (string memory projectBaseURI); // @dev new function in V3 function projectStateData( uint256 _projectId ) external view returns ( uint256 invocations, uint256 maxInvocations, bool active, bool paused, uint256 completedTimestamp, bool locked ); function projectDetails( uint256 _projectId ) external view returns ( string memory projectName, string memory artist, string memory description, string memory website, string memory license ); function projectScriptDetails( uint256 _projectId ) external view returns ( string memory scriptTypeAndVersion, string memory aspectRatio, uint256 scriptCount ); function projectScriptByIndex( uint256 _projectId, uint256 _index ) external view returns (string memory); function tokenIdToHash(uint256 _tokenId) external view returns (bytes32); // function to set a token's hash (must be guarded) function setTokenHash_8PT(uint256 _tokenId, bytes32 _hash) external; // @dev gas-optimized signature in V3 for `mint` function mint_Ecf( address _to, uint256 _projectId, address _by ) external returns (uint256 tokenId); }
// SPDX-License-Identifier: LGPL-3.0-only // Created By: Art Blocks Inc. pragma solidity ^0.8.0; import "./IAdminACLV0.sol"; import "./IGenArt721CoreContractV3_Engine.sol"; /** * @title This interface is intended to house interface items that are common * across all GenArt721CoreContractV3 Engine Flex and derivative implementations. * @author Art Blocks Inc. */ interface IGenArt721CoreContractV3_Engine_Flex is IGenArt721CoreContractV3_Engine { /** * @notice When an external asset dependency is updated or added, this event is emitted. * @param _projectId The project ID of the project that was updated. * @param _index The index of the external asset dependency that was updated. * @param _cid Field that contains the CID of the dependency if IPFS or ARWEAVE, empty string of ONCHAIN, or a string representation * of the Art Blocks Dependency Registry's `dependencyNameAndVersion` if ART_BLOCKS_DEPENDENCY_REGISTRY. * @param _dependencyType The type of the external asset dependency. * @param _externalAssetDependencyCount The number of external asset dependencies. */ event ExternalAssetDependencyUpdated( uint256 indexed _projectId, uint256 indexed _index, string _cid, ExternalAssetDependencyType _dependencyType, uint24 _externalAssetDependencyCount ); /** * @notice The project id `_projectId` has had an external asset dependency removed at index `_index`. */ event ExternalAssetDependencyRemoved( uint256 indexed _projectId, uint256 indexed _index ); /** * @notice The preferred gateway for dependency type `_dependencyType` has been updated to `_gatewayAddress`. */ event GatewayUpdated( ExternalAssetDependencyType indexed _dependencyType, string _gatewayAddress ); /** * @notice The project id `_projectId` has had all external asset dependencies locked. * @dev This is a one-way operation. Once locked, the external asset dependencies cannot be updated. */ event ProjectExternalAssetDependenciesLocked(uint256 indexed _projectId); /** * @notice An external asset dependency type. Can be one of IPFS, ARWEAVE, ONCHAIN, or ART_BLOCKS_DEPENDENCY_REGISTRY. */ enum ExternalAssetDependencyType { IPFS, ARWEAVE, ONCHAIN, ART_BLOCKS_DEPENDENCY_REGISTRY } /** * @notice Project storage that relate to Flex data. */ struct ProjectFlex { bool externalAssetDependenciesLocked; uint24 externalAssetDependencyCount; mapping(uint256 => ExternalAssetDependency) externalAssetDependencies; } /** * @notice An external asset dependency, without the retrieved data of any ONCHAIN assets. This reflects what is * stored in this contract's storage. * @param CID field that contains the CID of the dependency if IPFS or ARWEAVE, empty string of ONCHAIN, or a string representation * of the Art Blocks Dependency Registry's `dependencyNameAndVersion` if ART_BLOCKS_DEPENDENCY_REGISTRY. * @param dependencyType field that contains the type of the dependency. * @param bytecodeAddress field that contains the address of the bytecode for this dependency if ONCHAIN, null address otherwise. */ struct ExternalAssetDependency { string cid; ExternalAssetDependencyType dependencyType; address bytecodeAddress; } /** * @notice An external asset dependency with data. This is a convenience struct. * @param CID field that contains the CID of the dependency if IPFS or ARWEAVE, empty string of ONCHAIN, or a string representation * of the Art Blocks Dependency Registry's `dependencyNameAndVersion` if ART_BLOCKS_DEPENDENCY_REGISTRY. * @param dependencyType field that contains the type of the dependency. * @param bytecodeAddress field that contains the address of the bytecode for this dependency if ONCHAIN, null address otherwise. * @param data field that contains the data retrieved from this bytecode address if ONCHAIN, empty string otherwise. */ struct ExternalAssetDependencyWithData { string cid; ExternalAssetDependencyType dependencyType; address bytecodeAddress; string data; } // preferredIPFSGateway is a url string function preferredIPFSGateway() external view returns (string memory); // preferredArweaveGateway is a url string function preferredArweaveGateway() external view returns (string memory); // updates the preferred IPFS gateway function updateIPFSGateway(string calldata _gateway) external; // updates the preferred Arweave gateway function updateArweaveGateway(string calldata _gateway) external; // locks the external asset dependencies for a project function lockProjectExternalAssetDependencies(uint256 _projectId) external; // updates the external asset dependency for a project at a given index function updateProjectExternalAssetDependency( uint256 _projectId, uint256 _index, string memory _cidOrData, ExternalAssetDependencyType _dependencyType ) external; // adds an external asset dependency for a project function addProjectExternalAssetDependency( uint256 _projectId, string memory _cidOrData, ExternalAssetDependencyType _dependencyType ) external; // removes an external asset dependency for a project at a given index function removeProjectExternalAssetDependency( uint256 _projectId, uint256 _index ) external; // getter function for project external asset dependencies function projectExternalAssetDependencyByIndex( uint256 _projectId, uint256 _index ) external view returns (ExternalAssetDependencyWithData memory); // getter function project external asset dependency count function projectExternalAssetDependencyCount( uint256 _projectId ) external view returns (uint256); }
// SPDX-License-Identifier: LGPL-3.0-only // Created By: Art Blocks Inc. pragma solidity ^0.8.0; import "./IAdminACLV0.sol"; import "./IGenArt721CoreContractV3_Base.sol"; import "./ISplitProviderV0.sol"; /** * @notice Struct representing Engine contract configuration. * @param tokenName Name of token. * @param tokenSymbol Token symbol. * @param renderProviderAddress address to send render provider revenue to * @param randomizerContract Randomizer contract. * @param splitProviderAddress Address to use as royalty splitter provider for the contract. * @param minterFilterAddress Address of the Minter Filter to set as the Minter * on the contract. * @param startingProjectId The initial next project ID. * @param autoApproveArtistSplitProposals Whether or not to always * auto-approve proposed artist split updates. * @param nullPlatformProvider Enforce always setting zero platform provider fees and addresses. * @param allowArtistProjectActivation Allow artist to activate their own projects. * @dev _startingProjectId should be set to a value much, much less than * max(uint248), but an explicit input type of `uint248` is used as it is * safer to cast up to `uint256` than it is to cast down for the purposes * of setting `_nextProjectId`. */ struct EngineConfiguration { string tokenName; string tokenSymbol; address renderProviderAddress; address platformProviderAddress; address newSuperAdminAddress; address randomizerContract; address splitProviderAddress; address minterFilterAddress; uint248 startingProjectId; bool autoApproveArtistSplitProposals; bool nullPlatformProvider; bool allowArtistProjectActivation; } interface IGenArt721CoreContractV3_Engine is IGenArt721CoreContractV3_Base { // @dev new function in V3.2 /** * @notice Initializes the contract with the provided `engineConfiguration`. * This function should be called atomically, immediately after deployment. * Only callable once. Validation on `engineConfiguration` is performed by caller. * @param engineConfiguration EngineConfiguration to configure the contract with. * @param adminACLContract_ Address of admin access control contract, to be * set as contract owner. * @param defaultBaseURIHost Base URI prefix to initialize default base URI with. * @param bytecodeStorageReaderContract_ Address of the bytecode storage reader contract. */ function initialize( EngineConfiguration calldata engineConfiguration, address adminACLContract_, string memory defaultBaseURIHost, address bytecodeStorageReaderContract_ ) external; // @dev new function in V3 function getPrimaryRevenueSplits( uint256 _projectId, uint256 _price ) external view returns ( uint256 renderProviderRevenue_, address payable renderProviderAddress_, uint256 platformProviderRevenue_, address payable platformProviderAddress_, uint256 artistRevenue_, address payable artistAddress_, uint256 additionalPayeePrimaryRevenue_, address payable additionalPayeePrimaryAddress_ ); // @dev The render provider primary sales payment address function renderProviderPrimarySalesAddress() external view returns (address payable); // @dev The platform provider primary sales payment address function platformProviderPrimarySalesAddress() external view returns (address payable); // @dev Percentage of primary sales allocated to the render provider function renderProviderPrimarySalesPercentage() external view returns (uint256); // @dev Percentage of primary sales allocated to the platform provider function platformProviderPrimarySalesPercentage() external view returns (uint256); /** @notice The default render provider payment address for all secondary sales royalty * revenues, for all new projects. Individual project payment info is defined * in each project's ProjectFinance struct. * @return The default render provider payment address for secondary sales royalties. */ function defaultRenderProviderSecondarySalesAddress() external view returns (address payable); /** @notice The default platform provider payment address for all secondary sales royalty * revenues, for all new projects. Individual project payment info is defined * in each project's ProjectFinance struct. * @return The default platform provider payment address for secondary sales royalties. */ function defaultPlatformProviderSecondarySalesAddress() external view returns (address payable); /** @notice The default render provider payment basis points for all secondary sales royalty * revenues, for all new projects. Individual project payment info is defined * in each project's ProjectFinance struct. * @return The default render provider payment basis points for secondary sales royalties. */ function defaultRenderProviderSecondarySalesBPS() external view returns (uint256); /** @notice The default platform provider payment basis points for all secondary sales royalty * revenues, for all new projects. Individual project payment info is defined * in each project's ProjectFinance struct. * @return The default platform provider payment basis points for secondary sales royalties. */ function defaultPlatformProviderSecondarySalesBPS() external view returns (uint256); /** * @notice The address of the current split provider being used by the contract. * @return The address of the current split provider. */ function splitProvider() external view returns (ISplitProviderV0); }
// SPDX-License-Identifier: LGPL-3.0-only // Created By: Art Blocks Inc. pragma solidity ^0.8.0; import "./IAdminACLV0.sol"; /** * @title This interface defines a project finance struct that is used in the * GenArt721CoreContractV3 flagship and derivative implementations beginning * with v3.2.0. This struct is intended to house all financial information * related to a project, including royalties, artist splits, and platform * provider splits. * @author Art Blocks Inc. */ interface IGenArt721CoreContractV3_ProjectFinance { /// packed struct containing project financial information struct ProjectFinance { address payable additionalPayeePrimarySales; // packed uint: max of 95, max uint8 = 255 uint8 secondaryMarketRoyaltyPercentage; address payable additionalPayeeSecondarySales; // packed uint: max of 100, max uint8 = 255 uint8 additionalPayeeSecondarySalesPercentage; address payable artistAddress; // packed uint: max of 100, max uint8 = 255 uint8 additionalPayeePrimarySalesPercentage; address platformProviderSecondarySalesAddress; // packed uint: max of 10_000 max uint16 = 65_535 uint16 platformProviderSecondarySalesBPS; address renderProviderSecondarySalesAddress; // packed uint: max of 10_000 max uint16 = 65_535 uint16 renderProviderSecondarySalesBPS; // address to send ERC-2981 royalties to address royaltySplitter; } /** * @notice View function returning project financial details for project * `_projectId`. * @param _projectId Project ID to be queried. * @return ProjectFinance Project financial details. */ function projectIdToFinancials( uint256 _projectId ) external view returns (ProjectFinance memory); }
// SPDX-License-Identifier: LGPL-3.0-only // Created By: Art Blocks Inc. to support the 0xSplits V2 integration // Sourced from: // - https://github.com/0xSplits/splits-contracts-monorepo/blob/main/packages/splits-v2/src/libraries/SplitV2.sol // - https://github.com/0xSplits/splits-contracts-monorepo/blob/main/packages/splits-v2/src/splitters/SplitFactoryV2.sol pragma solidity ^0.8.0; interface ISplitFactoryV2 { /* -------------------------------------------------------------------------- */ /* STRUCTS */ /* -------------------------------------------------------------------------- */ /** * @notice Split struct * @dev This struct is used to store the split information. * @dev There are no hard caps on the number of recipients/totalAllocation/allocation unit. Thus the chain and its * gas limits will dictate these hard caps. Please double check if the split you are creating can be distributed on * the chain. * @param recipients The recipients of the split. * @param allocations The allocations of the split. * @param totalAllocation The total allocation of the split. * @param distributionIncentive The incentive for distribution. Limits max incentive to 6.5%. */ struct Split { address[] recipients; uint256[] allocations; uint256 totalAllocation; uint16 distributionIncentive; } /* -------------------------------------------------------------------------- */ /* FUNCTIONS */ /* -------------------------------------------------------------------------- */ /** * @notice Create a new split with params and owner. * @param _splitParams Params to create split with. * @param _owner Owner of created split. * @param _creator Creator of created split. * @param _salt Salt for create2. * @return split Address of the created split. */ function createSplitDeterministic( Split calldata _splitParams, address _owner, address _creator, bytes32 _salt ) external returns (address split); /** * @notice Predict the address of a new split and check if it is deployed. * @param _splitParams Params to create split with. * @param _owner Owner of created split. * @param _salt Salt for create2. */ function isDeployed( Split calldata _splitParams, address _owner, bytes32 _salt ) external view returns (address split, bool exists); }
// SPDX-License-Identifier: LGPL-3.0-only // Creatd By: Art Blocks Inc. pragma solidity ^0.8.0; interface IRandomizer_V3CoreBase { /** * @notice This function is intended to be called by a core contract, and * the core contract can be assured that the randomizer will call back to * the calling contract to set the token hash seed for `_tokenId` via * `setTokenHash_8PT`. * @dev This function may revert if hash seed generation is improperly * configured (for example, if in polyptych mode, but no hash seed has been * previously configured). * @dev This function is not specifically gated to any specific caller, but * will only call back to the calling contract, `msg.sender`, to set the * specified token's hash seed. * A third party contract calling this function will not be able to set the * token hash seed on a different core contract. * @param _tokenId The token ID must be assigned a hash. */ function assignTokenHash(uint256 _tokenId) external; }
// SPDX-License-Identifier: LGPL-3.0-only // Creatd By: Art Blocks Inc. pragma solidity ^0.8.0; import {ISplitFactoryV2} from "./integration-refs/splits-0x-v2/ISplitFactoryV2.sol"; interface ISplitProviderV0 { /** * @notice SplitInputs struct defines the inputs for requested splitters. * It is defined in a way easily communicated from the Art Blocks GenArt721V3 contract, * to allow for easy integration and minimal additional bytecode in the GenArt721V3 contract. */ struct SplitInputs { address platformProviderSecondarySalesAddress; uint16 platformProviderSecondarySalesBPS; address renderProviderSecondarySalesAddress; uint16 renderProviderSecondarySalesBPS; uint8 artistTotalRoyaltyPercentage; address artist; address additionalPayee; uint8 additionalPayeePercentage; } /** * @notice Emitted when a new splitter contract is created. * @param splitter address of the splitter contract */ event SplitterCreated(address indexed splitter); /** * @notice Gets or creates an immutable splitter contract at a deterministic address. * Splits in the splitter contract are determined by the input split parameters, * so we can safely create the splitter contract at a deterministic address (or use * the existing splitter contract if it already exists at that address). * @dev Uses the 0xSplits v2 implementation to create a splitter contract * @param splitInputs The split input parameters. * @return splitter The newly created splitter contract address. */ function getOrCreateSplitter( SplitInputs calldata splitInputs ) external returns (address); /** * @notice Indicates the type of the contract, e.g. `SplitProviderV0`. * @return type_ The type of the contract. */ function type_() external pure returns (bytes32); }
// SPDX-License-Identifier: LGPL-3.0-only // Created By: Art Blocks Inc. import {LibZip} from "solady/src/utils/LibZip.sol"; pragma solidity ^0.8.0; /** * @title Art Blocks Script Storage Library * @notice Utilize contract bytecode as persistent storage for large chunks of script string data. * V2 includes optional on-chain compression/decompression via solady LibZip. * This library is intended to have an external deployed copy that is released in the future, * and, as such, has been designed to support both updated V2 and V1 (versioned, with purging removed) * reads as well as backwards-compatible reads for both a) the unversioned "V0" storage contracts * which were deployed by the original version of this libary and b) contracts that were deployed * using one of the SSTORE2 implementations referenced below. * For these pre-V1 storage contracts (which themselves did not have any explicit versioning semantics) * backwards-compatible reads are optimistic, and only expected to work for contracts actually * deployed by the original version of this library – and may fail ungracefully if attempted to be * used to read from other contracts. * This library is split into two components, intended to be updated in tandem, and thus included * here in the same source file. One component is an internal library that is intended to be embedded * directly into other contracts and provides all _write_ functionality. The other is a public library * that is intended to be deployed as a standalone contract and provides all _read_ functionality. * * @author Art Blocks Inc. * @author Modified from 0xSequence (https://github.com/0xsequence/sstore2/blob/master/contracts/SSTORE2.sol) * @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SSTORE2.sol) * @author Utilizes LibZip from solady (https://github.com/Vectorized/solady/blob/main/src/utils/LibZip.sol) * * @dev Compared to the above two rerferenced libraries, this contracts-as-storage implementation makes a few * notably different design decisions: * - uses the `string` data type for input/output on reads, rather than speaking in bytes directly, * with an exception for optionally compressed data which are input as bytes * - stores the "writer" address (library user) in the deployed contract bytes, which is useful for * on-chain introspection and provenance purposes * - stores a very simple versioning string in the deployed contract bytes, which captures the version * of the library that was used to deploy the storage contract and useful for supporting future * compatibility management as this library evolves (e.g. in response to EOF v1 migration plans) * - stores a bool indicating if the stored data are compressed. * Also, given that much of this library is written in assembly, this library makes use of a slightly * different convention (when compared to the rest of the Art Blocks smart contract repo) around * pre-defining return values in some cases in order to simplify need to directly memory manage these * return values. */ /** * @title Art Blocks Script Storage Library (Public, Reads) * @author Art Blocks Inc. * @notice The public library for reading from storage contracts. This library is intended to be deployed as a * standalone contract, and provides all _read_ functionality. */ library BytecodeStorageReader { // Define the set of known valid version strings that may be stored in the deployed storage contract bytecode // note: These are all intentionally exactly 32-bytes and are null-terminated. Null-termination is used due // to this being the standard expected formatting in common web3 tooling such as ethers.js. Please see // the following for additional context: https://docs.ethers.org/v5/api/utils/strings/#Bytes32String // Used for storage contracts that were deployed by an unknown source bytes32 public constant UNKNOWN_VERSION_STRING = "UNKNOWN_VERSION_STRING_________ "; // Pre-dates versioning string, so this doesn't actually exist in any deployed contracts, // but is useful for backwards-compatible semantics with original version of this library bytes32 public constant V0_VERSION_STRING = "BytecodeStorage_V0.0.0_________ "; // The first versioned storage contract, deployed by an updated version of this library bytes32 public constant V1_VERSION_STRING = "BytecodeStorage_V1.0.0_________ "; // The first versioned storage contract, deployed by an updated version of this library bytes32 public constant V2_VERSION_STRING = "BytecodeStorage_V2.0.0_________ "; // The current version of this library. bytes32 public constant CURRENT_VERSION = V2_VERSION_STRING; //---------------------------------------------------------------------------------------------------------------// // Starting Index | Size | Ending Index | Description // //---------------------------------------------------------------------------------------------------------------// // 0 | N/A | 0 | // // 0 | 1 | 1 | single byte opcode for making the storage contract non-executable // // 1 | 32 | 33 | the 32 byte slot used for storing a basic versioning string // // 33 | 32 | 65 | the 32 bytes for storing the deploying contract's (0-padded) address // // 65 | 1 | 66 | single byte indicating if the stored data are compressed // //---------------------------------------------------------------------------------------------------------------// // Define the offset for where the "meta bytes" end, and the "data bytes" begin. Note that this is a manually // calculated value, and must be updated if the above table is changed. It is expected that tests will fail // loudly if these values are not updated in-step with eachother. uint256 private constant VERSION_OFFSET = 1; uint256 private constant ADDRESS_OFFSET = 33; uint256 private constant COMPRESSION_OFFSET = 65; uint256 private constant DATA_OFFSET = 66; // Define the set of known *historic* offset values for where the "meta bytes" end, and the "data bytes" begin. // SSTORE2 deployed storage contracts take the general format of: // concat(0x00, data) // note: this is true for both variants of the SSTORE2 library uint256 private constant SSTORE2_DATA_OFFSET = 1; // V0 deployed storage contracts take the general format of: // concat(gated-cleanup-logic, deployer-address, data) uint256 private constant V0_ADDRESS_OFFSET = 72; uint256 private constant V0_DATA_OFFSET = 104; // V1 deployed storage contracts take the general format of: // concat(invalid opcode, version, deployer-address, data) uint256 private constant V1_ADDRESS_OFFSET = 33; uint256 private constant V1_DATA_OFFSET = 65; // V2 deployed storage contracts take the general format of: // concat(invalid opcode, version, deployer-address, compression-bool, data) uint256 private constant V2_ADDRESS_OFFSET = ADDRESS_OFFSET; uint256 private constant V2_DATA_OFFSET = DATA_OFFSET; /*////////////////////////////////////////////////////////////// READ LOGIC //////////////////////////////////////////////////////////////*/ /** * @notice Read a string from contract bytecode * @param _address address of deployed contract with bytecode stored in the V0 or V1 or V2 format * @return data string read from contract bytecode * @dev This function performs input validation that the contract to read is in an expected format */ function readFromBytecode( address _address ) public view returns (string memory data) { ( uint256 dataOffset, bool isCompressed ) = _bytecodeDataOffsetAndIsCompressedAt(_address); if (isCompressed) { return string( LibZip.flzDecompress( readBytesFromBytecode(_address, dataOffset) ) ); } else { return string(readBytesFromBytecode(_address, dataOffset)); } } /** * @notice Read the bytes from contract bytecode that was written to the EVM using SSTORE2 * @param _address address of deployed contract with bytecode stored in the SSTORE2 format * @return data bytes read from contract bytecode * @dev This function performs no input validation on the provided contract, * other than that there is content to read (but not that its a "storage contract") */ function readBytesFromSSTORE2Bytecode( address _address ) public view returns (bytes memory data) { return readBytesFromBytecode(_address, SSTORE2_DATA_OFFSET); } /** * @notice Read the bytes from contract bytecode, with an explicitly provided starting offset * @param _address address of deployed contract with bytecode stored in the V0 or V1 format * @param _offset offset to read from in contract bytecode, explicitly provided (not calculated) * @return data bytes read from contract bytecode * @dev This function performs no input validation on the provided contract, * other than that there is content to read (but not that its a "storage contract") */ function readBytesFromBytecode( address _address, uint256 _offset ) public view returns (bytes memory data) { // get the size of the bytecode uint256 bytecodeSize = _bytecodeSizeAt(_address); // handle case where address contains code < _offset if (bytecodeSize < _offset) { revert("ContractAsStorage: Read Error"); } // handle case where address contains code >= dataOffset // decrement by dataOffset to account for header info uint256 size; unchecked { size = bytecodeSize - _offset; } assembly { // allocate free memory data := mload(0x40) // update free memory pointer // use and(x, not(0x1f) as cheaper equivalent to sub(x, mod(x, 0x20)). // adding 0x1f to size + logic above ensures the free memory pointer // remains word-aligned, following the Solidity convention. mstore(0x40, add(data, and(add(add(size, 0x20), 0x1f), not(0x1f)))) // store length of data in first 32 bytes mstore(data, size) // copy code to memory, excluding the deployer-address extcodecopy(_address, add(data, 0x20), _offset, size) } } /** * @notice Get address for deployer for given contract bytecode * @param _address address of deployed contract with bytecode stored in the V0 or V1 format * @return writerAddress address read from contract bytecode */ function getWriterAddressForBytecode( address _address ) public view returns (address) { // get the size of the data uint256 bytecodeSize = _bytecodeSizeAt(_address); // the dataOffset for the bytecode uint256 addressOffset = _bytecodeAddressOffsetAt(_address); // handle case where address contains code < addressOffset + 32 (address takes a whole slot) if (bytecodeSize < (addressOffset + 32)) { revert("ContractAsStorage: Read Error"); } assembly { // allocate free memory let writerAddress := mload(0x40) // shift free memory pointer by one slot mstore(0x40, add(mload(0x40), 0x20)) // copy the 32-byte address of the data contract writer to memory // note: this relies on the assumption noted at the top-level of // this file that the storage layout for the deployed // contracts-as-storage contract looks like:: // | invalid opcode | version-string (unless v0) | deployer-address (padded) | data | extcodecopy( _address, writerAddress, addressOffset, 0x20 // full 32-bytes, as address is expected to be zero-padded ) return( writerAddress, 0x20 // return size is entire slot, as it is zero-padded ) } } /** * @notice Get version for given contract bytecode * @param _address address of deployed contract with bytecode stored in the V0 or V1 format * @return version version read from contract bytecode */ function getLibraryVersionForBytecode( address _address ) public view returns (bytes32) { return _bytecodeVersionAt(_address); } /** * @notice Get if data are stored in compressed format for given contract bytecode * @param _address address of deployed contract with bytecode stored in the V0, V1, or V2 format * @return isCompressed boolean indicating if the stored data are compressed */ function getIsCompressedForBytecode( address _address ) public view returns (bool) { (, bool isCompressed) = _bytecodeDataOffsetAndIsCompressedAt(_address); return isCompressed; } /** * Utility function to get the compressed form of a message string using solady LibZip's * flz compress algorithm. * The compressed message is returned as bytes, which may be used as the input to * the function `BytecodeStorageWriter.writeToBytecodeCompressed`. * @param _data string to be compressed * @return bytes compressed bytes */ function getCompressed( string memory _data ) public pure returns (bytes memory) { return LibZip.flzCompress(bytes(_data)); } /*////////////////////////////////////////////////////////////// INTERNAL HELPER LOGIC //////////////////////////////////////////////////////////////*/ /** * @notice Returns the size of the bytecode at address `_address` * @param _address address that may or may not contain bytecode * @return size size of the bytecode code at `_address` */ function _bytecodeSizeAt( address _address ) private view returns (uint256 size) { assembly { size := extcodesize(_address) } if (size == 0) { revert("ContractAsStorage: Read Error"); } } /** * @notice Returns the offset of the data in the bytecode at address `_address` * @param _address address that may or may not contain bytecode * @return dataOffset offset of data in bytecode if a known version, otherwise 0 * @return isCompressed bool indicating if the stored data are compressed */ function _bytecodeDataOffsetAndIsCompressedAt( address _address ) private view returns (uint256 dataOffset, bool isCompressed) { bytes32 version = _bytecodeVersionAt(_address); if (version == V2_VERSION_STRING) { dataOffset = V2_DATA_OFFSET; isCompressed = _isCompressedAt(_address, version); } else if (version == V1_VERSION_STRING) { dataOffset = V1_DATA_OFFSET; // isCompressed remains false, as V1 contracts do not support compression } else if (version == V0_VERSION_STRING) { dataOffset = V0_DATA_OFFSET; // isCompressed remains false, as V0 contracts do not support compression } else { // unknown version, revert revert("ContractAsStorage: Unsupported Version"); } } /** * @notice Returns the offset of the address in the bytecode at address `_address` * @param _address address that may or may not contain bytecode * @return addressOffset offset of address in bytecode if a known version, otherwise 0 */ function _bytecodeAddressOffsetAt( address _address ) private view returns (uint256 addressOffset) { bytes32 version = _bytecodeVersionAt(_address); if (version == V2_VERSION_STRING) { addressOffset = V2_ADDRESS_OFFSET; } else if (version == V1_VERSION_STRING) { addressOffset = V1_ADDRESS_OFFSET; } else if (version == V0_VERSION_STRING) { addressOffset = V0_ADDRESS_OFFSET; } else { // unknown version, revert revert("ContractAsStorage: Unsupported Version"); } } /** * @notice Get version string for given contract bytecode * @param _address address of deployed contract with bytecode stored in the V0 or V1 format * @return version version string read from contract bytecode */ function _bytecodeVersionAt( address _address ) private view returns (bytes32 version) { // get the size of the data uint256 bytecodeSize = _bytecodeSizeAt(_address); // handle case where address contains code < minimum expected version string size, // by returning early with the unknown version string if (bytecodeSize < (VERSION_OFFSET + 32)) { return UNKNOWN_VERSION_STRING; } assembly { // allocate free memory let versionString := mload(0x40) // shift free memory pointer by one slot mstore(0x40, add(mload(0x40), 0x20)) // copy the 32-byte version string of the bytecode library to memory // note: this relies on the assumption noted at the top-level of // this file that the storage layout for the deployed // contracts-as-storage contract looks like: // | invalid opcode | version-string (unless v0) | deployer-address (padded) | data | extcodecopy( _address, versionString, VERSION_OFFSET, 0x20 // 32-byte version string ) // note: must check against literal strings, as Yul does not allow for // dynamic strings in switch statements. switch mload(versionString) case "BytecodeStorage_V2.0.0_________ " { version := V2_VERSION_STRING } case "BytecodeStorage_V1.0.0_________ " { version := V1_VERSION_STRING } case 0x2060486000396000513314601057fe5b60013614601957fe5b6000357fff0000 { // the v0 variant of this library pre-dates formal versioning w/ version strings, // so we check the first 32 bytes of the execution bytecode itself which // is static and known across all storage contracts deployed with the first version // of this library. version := V0_VERSION_STRING } default { version := UNKNOWN_VERSION_STRING } } } /** * @notice Get if stored data are compressed for given contract bytecode * @param _address address of deployed contract with bytecode stored * @param _version version string of the bytecode library used to deploy the contract at `_address` * @return isCompressed bool indicating if the stored data are compressed */ function _isCompressedAt( address _address, bytes32 _version ) private view returns (bool isCompressed) { // @dev if branch no coverage - unreachable as used, remains for redundant safety if (_version == V0_VERSION_STRING || _version == V1_VERSION_STRING) { // V0 and V1 and unknown contracts do not support compression return false; } // @dev if branch no coverage - unreachable as used, remains for redundant safety if (_version != V2_VERSION_STRING) { // unsupported version, throw error revert("ContractAsStorage: Unsupported Version"); } // get the size of the data uint256 bytecodeSize = _bytecodeSizeAt(_address); // handle case where address contains code < minimum expected version string size, // by returning early with false if (bytecodeSize < (COMPRESSION_OFFSET + 1)) { return false; } assembly { // allocate free memory let compressedByte := mload(0x40) // shift free memory pointer by one slot mstore(0x40, add(mload(0x40), 0x20)) // zero out word at compressedByte (solidity does not guarantee zeroed memory beyond free memory pointer) mstore(compressedByte, 0x00) // copy the 1-byte compressed flag of the bytecode library to memory // note: this relies on the assumption noted at the top-level of // this file that the storage layout for the deployed // contracts-as-storage contract looks like: // | invalid opcode | version-string (unless v0) | deployer-address (padded) | isCompressed | data | extcodecopy( _address, compressedByte, COMPRESSION_OFFSET, 0x1 // 1-byte version string ) // check if the compressed flag is set switch mload(compressedByte) case 0x00 { isCompressed := false } default { isCompressed := true } } } } /** * @title Art Blocks Script Storage Library (Internal, Writes) * @author Art Blocks Inc. * @notice The internal library for writing to storage contracts. This library is intended to be deployed * within library client contracts that use this library to perform _write_ operations on storage. */ library BytecodeStorageWriter { /*////////////////////////////////////////////////////////////// WRITE LOGIC //////////////////////////////////////////////////////////////*/ /** * @notice Write a string to contract bytecode * @param _data string to be written to contract. No input validation is performed on this parameter. * @return address_ address of deployed contract with bytecode stored in the V2 format */ function writeToBytecode( string memory _data ) internal returns (address address_) { // prefix bytecode with bytes memory creationCode = abi.encodePacked( //---------------------------------------------------------------------------------------------------------------// // Opcode | Opcode + Arguments | Description | Stack View // //---------------------------------------------------------------------------------------------------------------// // a.) creation code returns all code in the contract except for the first 11 (0B in hex) bytes, as these 11 // bytes are the creation code itself which we do not want to store in the deployed storage contract result //---------------------------------------------------------------------------------------------------------------// // 0x60 | 0x60_0B | PUSH1 11 | codeOffset // // 0x59 | 0x59 | MSIZE | 0 codeOffset // // 0x81 | 0x81 | DUP2 | codeOffset 0 codeOffset // // 0x38 | 0x38 | CODESIZE | codeSize codeOffset 0 codeOffset // // 0x03 | 0x03 | SUB | (codeSize - codeOffset) 0 codeOffset // // 0x80 | 0x80 | DUP | (codeSize - codeOffset) (codeSize - codeOffset) 0 codeOffset // // 0x92 | 0x92 | SWAP3 | codeOffset (codeSize - codeOffset) 0 (codeSize - codeOffset) // // 0x59 | 0x59 | MSIZE | 0 codeOffset (codeSize - codeOffset) 0 (codeSize - codeOffset) // // 0x39 | 0x39 | CODECOPY | 0 (codeSize - codeOffset) // // 0xF3 | 0xF3 | RETURN | // //---------------------------------------------------------------------------------------------------------------// // (11 bytes) hex"60_0B_59_81_38_03_80_92_59_39_F3", //---------------------------------------------------------------------------------------------------------------// // b.) ensure that the deployed storage contract is non-executeable (first opcode is the `invalid` opcode) //---------------------------------------------------------------------------------------------------------------// //---------------------------------------------------------------------------------------------------------------// // 0xFE | 0xFE | INVALID | // //---------------------------------------------------------------------------------------------------------------// // (1 byte) hex"FE", //---------------------------------------------------------------------------------------------------------------// // c.) store the version string, which is already represented as a 32-byte value //---------------------------------------------------------------------------------------------------------------// // (32 bytes) BytecodeStorageReader.CURRENT_VERSION, //---------------------------------------------------------------------------------------------------------------// // d.) store the deploying-contract's address with 0-padding to fit a 20-byte address into a 32-byte slot //---------------------------------------------------------------------------------------------------------------// // (12 bytes) hex"00_00_00_00_00_00_00_00_00_00_00_00", // (20 bytes) address(this), //---------------------------------------------------------------------------------------------------------------// // e.) store the bool indicating if the data is compressed. true for this function. //---------------------------------------------------------------------------------------------------------------// // (1 byte) hex"00", // uploaded data (stored as bytecode) comes last _data ); assembly { // deploy a new contract with the generated creation code. // start 32 bytes into creationCode to avoid copying the byte length. address_ := create(0, add(creationCode, 0x20), mload(creationCode)) } // address must be non-zero if contract was deployed successfully require(address_ != address(0), "ContractAsStorage: Write Error"); } /** * @notice Write a string to contract bytecode, input as compressed bytes from solady LibZip * @param _dataCompressed compressed bytes to be written to contract. No input validation is performed on this parameter. * @return address_ address of deployed contract with bytecode stored in the V2 format */ function writeToBytecodeCompressed( bytes memory _dataCompressed ) internal returns (address address_) { // prefix bytecode with bytes memory creationCode = abi.encodePacked( //---------------------------------------------------------------------------------------------------------------// // Opcode | Opcode + Arguments | Description | Stack View // //---------------------------------------------------------------------------------------------------------------// // a.) creation code returns all code in the contract except for the first 11 (0B in hex) bytes, as these 11 // bytes are the creation code itself which we do not want to store in the deployed storage contract result //---------------------------------------------------------------------------------------------------------------// // 0x60 | 0x60_0B | PUSH1 11 | codeOffset // // 0x59 | 0x59 | MSIZE | 0 codeOffset // // 0x81 | 0x81 | DUP2 | codeOffset 0 codeOffset // // 0x38 | 0x38 | CODESIZE | codeSize codeOffset 0 codeOffset // // 0x03 | 0x03 | SUB | (codeSize - codeOffset) 0 codeOffset // // 0x80 | 0x80 | DUP | (codeSize - codeOffset) (codeSize - codeOffset) 0 codeOffset // // 0x92 | 0x92 | SWAP3 | codeOffset (codeSize - codeOffset) 0 (codeSize - codeOffset) // // 0x59 | 0x59 | MSIZE | 0 codeOffset (codeSize - codeOffset) 0 (codeSize - codeOffset) // // 0x39 | 0x39 | CODECOPY | 0 (codeSize - codeOffset) // // 0xF3 | 0xF3 | RETURN | // //---------------------------------------------------------------------------------------------------------------// // (11 bytes) hex"60_0B_59_81_38_03_80_92_59_39_F3", //---------------------------------------------------------------------------------------------------------------// // b.) ensure that the deployed storage contract is non-executeable (first opcode is the `invalid` opcode) //---------------------------------------------------------------------------------------------------------------// //---------------------------------------------------------------------------------------------------------------// // 0xFE | 0xFE | INVALID | // //---------------------------------------------------------------------------------------------------------------// // (1 byte) hex"FE", //---------------------------------------------------------------------------------------------------------------// // c.) store the version string, which is already represented as a 32-byte value //---------------------------------------------------------------------------------------------------------------// // (32 bytes) BytecodeStorageReader.CURRENT_VERSION, //---------------------------------------------------------------------------------------------------------------// // d.) store the deploying-contract's address with 0-padding to fit a 20-byte address into a 32-byte slot //---------------------------------------------------------------------------------------------------------------// // (12 bytes) hex"00_00_00_00_00_00_00_00_00_00_00_00", // (20 bytes) address(this), //---------------------------------------------------------------------------------------------------------------// // e.) store the bool indicating if the data is compressed. true for this function. //---------------------------------------------------------------------------------------------------------------// // (1 byte) hex"01", // uploaded compressed data (stored as bytecode) comes last _dataCompressed ); assembly { // deploy a new contract with the generated creation code. // start 32 bytes into creationCode to avoid copying the byte length. address_ := create(0, add(creationCode, 0x20), mload(creationCode)) } // address must be non-zero if contract was deployed successfully require(address_ != address(0), "ContractAsStorage: Write Error"); } }
// SPDX-License-Identifier: LGPL-3.0-only // Created By: Art Blocks Inc. // Inspired by: https://ethereum.stackexchange.com/a/123950/103422 pragma solidity ^0.8.0; /** * @dev Operations on bytes32 data type, dealing with conversion to string. */ library Bytes32Strings { /** * @notice Intended to convert a `bytes32`-encoded string literal to `string`. * Trims zero padding to arrive at original string literal. */ function toString( bytes32 source ) internal pure returns (string memory result) { uint8 length; while (source[length] != 0 && length < 32) { length++; } assembly { // free memory pointer result := mload(0x40) // update free memory pointer to new "memory end" // (offset is 64-bytes: 32 for length, 32 for data) mstore(0x40, add(result, 0x40)) // store length in first 32-byte memory slot mstore(result, length) // write actual data in second 32-byte memory slot mstore(add(result, 0x20), source) } } /** * @notice Intended to check if a `bytes32`-encoded string contains a given * character with UTF-8 character code `utf8CharCode exactly `targetQty` * times. Does not support searching for multi-byte characters, only * characters with UTF-8 character codes < 0x80. */ function containsExactCharacterQty( bytes32 source, uint8 utf8CharCode, uint8 targetQty ) internal pure returns (bool) { uint8 _occurrences; uint8 i; for (i; i < 32; ) { uint8 _charCode = uint8(source[i]); // if not a null byte, or a multi-byte UTF-8 character, check match if (_charCode != 0 && _charCode < 0x80) { if (_charCode == utf8CharCode) { unchecked { // no risk of overflow since max 32 iterations < max uin8=255 ++_occurrences; } } } unchecked { // no risk of overflow since max 32 iterations < max uin8=255 ++i; } } return _occurrences == targetQty; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.20; import {IERC721} from "@openzeppelin-5.0/contracts/token/ERC721/IERC721.sol"; import {IERC721Receiver} from "@openzeppelin-5.0/contracts/token/ERC721/IERC721Receiver.sol"; import {IERC721Metadata} from "@openzeppelin-5.0/contracts/token/ERC721/extensions/IERC721Metadata.sol"; import {Context} from "@openzeppelin-5.0/contracts/utils/Context.sol"; import {Strings} from "@openzeppelin-5.0/contracts/utils/Strings.sol"; import {IERC165, ERC165} from "@openzeppelin-5.0/contracts/utils/introspection/ERC165.sol"; import {IERC721Errors} from "@openzeppelin-5.0/contracts/interfaces/draft-IERC6093.sol"; /** * @dev Forked version of the OpenZeppelin v5.0.1 ERC721 contract. Updated * with an initialize function to ensure EIP 1167 compatibility. Utilizes * a struct to pack owner and hash seed into a single storage slot. * --------------------- * @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}. */ abstract contract ERC721_PackedHashSeedV1 is Context, ERC165, IERC721, IERC721Metadata, IERC721Errors { using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; /// ensure initialization can only be performed once bool private _initialized; /// struct to pack a token owner and hash seed into same storage slot struct OwnerAndHashSeed { // 20 bytes for address of token's owner address owner; // remaining 12 bytes allocated to token hash seed bytes12 hashSeed; } /// mapping of token ID to OwnerAndHashSeed /// @dev visibility internal so inheriting contracts can access mapping(uint256 tokenId => OwnerAndHashSeed) internal _ownersAndHashSeeds; mapping(address owner => uint256) private _balances; mapping(uint256 tokenId => address) private _tokenApprovals; mapping(address owner => mapping(address operator => bool)) private _operatorApprovals; // @dev constructor intentionally removed to allow for EIP 1167 compatibility, // see `initialize` function for contract initialization /** * @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 || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual returns (uint256) { if (owner == address(0)) { revert ERC721InvalidOwner(address(0)); } return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual returns (address) { return _requireOwned(tokenId); } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI( uint256 tokenId ) public view virtual returns (string memory) { _requireOwned(tokenId); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string.concat(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 overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual { _approve(to, tokenId, _msgSender()); } /** * @dev See {IERC721-getApproved}. */ function getApproved( uint256 tokenId ) public view virtual returns (address) { _requireOwned(tokenId); return _getApproved(tokenId); } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll( address owner, address operator ) public view virtual returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual { if (to == address(0)) { revert ERC721InvalidReceiver(address(0)); } // Setting an "auth" arguments enables the `_isAuthorized` check which verifies that the token exists // (from != 0). Therefore, it is not needed to verify that the return value is not 0 here. address previousOwner = _update(to, tokenId, _msgSender()); if (previousOwner != from) { revert ERC721IncorrectOwner(from, tokenId, previousOwner); } } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory data ) public virtual { transferFrom(from, to, tokenId); _checkOnERC721Received(from, to, tokenId, data); } /** * @notice Initializes the contract by setting a `name` and a `symbol` to the token collection. * This function should be called atomically, immediately after deployment. * Only callable once. * @param name_ Name for the token collection. * @param symbol_ Symbol for the token collection. */ function initialize(string memory name_, string memory symbol_) internal { require(!_initialized, "Already initialized"); _name = name_; _symbol = symbol_; _initialized = true; } /** * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist * * IMPORTANT: Any overrides to this function that add ownership of tokens not tracked by the * core ERC721 logic MUST be matched with the use of {_increaseBalance} to keep balances * consistent with ownership. The invariant to preserve is that for any address `a` the value returned by * `balanceOf(a)` must be equal to the number of tokens such that `_ownerOf(tokenId)` is `a`. */ function _ownerOf(uint256 tokenId) internal view virtual returns (address) { return _ownersAndHashSeeds[tokenId].owner; } /** * @dev Returns the approved address for `tokenId`. Returns 0 if `tokenId` is not minted. */ function _getApproved( uint256 tokenId ) internal view virtual returns (address) { return _tokenApprovals[tokenId]; } /** * @dev Returns whether `spender` is allowed to manage `owner`'s tokens, or `tokenId` in * particular (ignoring whether it is owned by `owner`). * * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this * assumption. */ function _isAuthorized( address owner, address spender, uint256 tokenId ) internal view virtual returns (bool) { return spender != address(0) && (owner == spender || isApprovedForAll(owner, spender) || _getApproved(tokenId) == spender); } /** * @dev Checks if `spender` can operate on `tokenId`, assuming the provided `owner` is the actual owner. * Reverts if `spender` does not have approval from the provided `owner` for the given token or for all its assets * the `spender` for the specific `tokenId`. * * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this * assumption. */ function _checkAuthorized( address owner, address spender, uint256 tokenId ) internal view virtual { if (!_isAuthorized(owner, spender, tokenId)) { if (owner == address(0)) { revert ERC721NonexistentToken(tokenId); } else { revert ERC721InsufficientApproval(spender, tokenId); } } } /** * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override. * * NOTE: the value is limited to type(uint128).max. This protect against _balance overflow. It is unrealistic that * a uint256 would ever overflow from increments when these increments are bounded to uint128 values. * * WARNING: Increasing an account's balance using this function tends to be paired with an override of the * {_ownerOf} function to resolve the ownership of the corresponding tokens so that balances and ownership * remain consistent with one another. */ function _increaseBalance(address account, uint128 value) internal virtual { unchecked { _balances[account] += value; } } /** * @dev Transfers `tokenId` from its current owner to `to`, or alternatively mints (or burns) if the current owner * (or `to`) is the zero address. Returns the owner of the `tokenId` before the update. * * The `auth` argument is optional. If the value passed is non 0, then this function will check that * `auth` is either the owner of the token, or approved to operate on the token (by the owner). * * Emits a {Transfer} event. * * NOTE: If overriding this function in a way that tracks balances, see also {_increaseBalance}. */ function _update( address to, uint256 tokenId, address auth ) internal virtual returns (address) { address from = _ownerOf(tokenId); // Perform (optional) operator check if (auth != address(0)) { _checkAuthorized(from, auth, tokenId); } // Execute the update if (from != address(0)) { // Clear approval. No need to re-authorize or emit the Approval event _approve(address(0), tokenId, address(0), false); unchecked { _balances[from] -= 1; } } if (to != address(0)) { unchecked { _balances[to] += 1; } } _ownersAndHashSeeds[tokenId].owner = to; emit Transfer(from, to, tokenId); return from; } /** * @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 { if (to == address(0)) { revert ERC721InvalidReceiver(address(0)); } address previousOwner = _update(to, tokenId, address(0)); if (previousOwner != address(0)) { revert ERC721InvalidSender(address(0)); } } /** * @dev Mints `tokenId`, transfers it to `to` and checks for `to` acceptance. * * 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 { _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); _checkOnERC721Received(address(0), to, tokenId, data); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * This is an internal function that does not check if the sender is authorized to operate on the token. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal { address previousOwner = _update(address(0), tokenId, address(0)); if (previousOwner == address(0)) { revert ERC721NonexistentToken(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 { if (to == address(0)) { revert ERC721InvalidReceiver(address(0)); } address previousOwner = _update(to, tokenId, address(0)); if (previousOwner == address(0)) { revert ERC721NonexistentToken(tokenId); } else if (previousOwner != from) { revert ERC721IncorrectOwner(from, tokenId, previousOwner); } } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking that contract recipients * are aware of the ERC721 standard 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 like {safeTransferFrom} in the sense that it invokes * {IERC721Receiver-onERC721Received} on the receiver, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `tokenId` token must exist and be owned by `from`. * - `to` cannot be the zero address. * - `from` cannot be the zero address. * - 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) internal { _safeTransfer(from, to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeTransfer-address-address-uint256-}[`_safeTransfer`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory data ) internal virtual { _transfer(from, to, tokenId); _checkOnERC721Received(from, to, tokenId, data); } /** * @dev Approve `to` to operate on `tokenId` * * The `auth` argument is optional. If the value passed is non 0, then this function will check that `auth` is * either the owner of the token, or approved to operate on all tokens held by this owner. * * Emits an {Approval} event. * * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument. */ function _approve(address to, uint256 tokenId, address auth) internal { _approve(to, tokenId, auth, true); } /** * @dev Variant of `_approve` with an optional flag to enable or disable the {Approval} event. The event is not * emitted in the context of transfers. */ function _approve( address to, uint256 tokenId, address auth, bool emitEvent ) internal virtual { // Avoid reading the owner unless necessary if (emitEvent || auth != address(0)) { address owner = _requireOwned(tokenId); // We do not use _isAuthorized because single-token approvals should not be able to call approve if ( auth != address(0) && owner != auth && !isApprovedForAll(owner, auth) ) { revert ERC721InvalidApprover(auth); } if (emitEvent) { emit Approval(owner, to, tokenId); } } _tokenApprovals[tokenId] = to; } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Requirements: * - operator can't be the address zero. * * Emits an {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { if (operator == address(0)) { revert ERC721InvalidOperator(operator); } _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Reverts if the `tokenId` doesn't have a current owner (it hasn't been minted, or it has been burned). * Returns the owner. * * Overrides to ownership logic should be done to {_ownerOf}. */ function _requireOwned(uint256 tokenId) internal view returns (address) { address owner = _ownerOf(tokenId); if (owner == address(0)) { revert ERC721NonexistentToken(tokenId); } return owner; } /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target address. This will revert if the * recipient doesn't accept the token transfer. 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 */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory data ) private { if (to.code.length > 0) { try IERC721Receiver(to).onERC721Received( _msgSender(), from, tokenId, data ) returns (bytes4 retval) { if (retval != IERC721Receiver.onERC721Received.selector) { revert ERC721InvalidReceiver(to); } } catch (bytes memory reason) { if (reason.length == 0) { revert ERC721InvalidReceiver(to); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } } }
// SPDX-License-Identifier: LGPL-3.0-only // Created By: Art Blocks Inc. pragma solidity ^0.8.0; import {IGenArt721CoreContractV3_Engine_Flex} from "../../interfaces/v0.8.x/IGenArt721CoreContractV3_Engine_Flex.sol"; import {IBytecodeStorageReader_Base} from "../../interfaces/v0.8.x/IBytecodeStorageReader_Base.sol"; import {BytecodeStorageWriter} from "./BytecodeStorageV2.sol"; /** * @title Art Blocks V3 Engine Flex - External Helper Library * @notice This library is designed to offload bytecode from the V3 Engine * Flex contract. It implements logic that may be accessed via DELEGATECALL for * operations related to the V3 Engine Flex contract. * @author Art Blocks Inc. */ library V3FlexLib { using BytecodeStorageWriter for string; using BytecodeStorageWriter for bytes; // For the purposes of this implementation, due to the limited scope and // existing legacy infrastructure, the library emits the events // defined in IGenArt721CoreContractV3_Engine_Flex.sol. The events are // manually duplicated here /** * @notice When an external asset dependency is updated or added, this event is emitted. * @param _projectId The project ID of the project that was updated. * @param _index The index of the external asset dependency that was updated. * @param _cid Field that contains the CID of the dependency if IPFS or ARWEAVE, * empty string of ONCHAIN, or a string representation of the Art Blocks Dependency * Registry's `dependencyNameAndVersion` if ART_BLOCKS_DEPENDENCY_REGISTRY. * @param _dependencyType The type of the external asset dependency. * @param _externalAssetDependencyCount The number of external asset dependencies. */ event ExternalAssetDependencyUpdated( uint256 indexed _projectId, uint256 indexed _index, string _cid, IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependencyType _dependencyType, uint24 _externalAssetDependencyCount ); /** * @notice The project id `_projectId` has had an external asset dependency removed at index `_index`. */ event ExternalAssetDependencyRemoved( uint256 indexed _projectId, uint256 indexed _index ); /** * @notice The preferred gateway for dependency type `_dependencyType` has been updated to `_gatewayAddress`. */ event GatewayUpdated( IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependencyType indexed _dependencyType, string _gatewayAddress ); /** * @notice The project id `_projectId` has had all external asset dependencies locked. * @dev This is a one-way operation. Once locked, the external asset dependencies cannot be updated. */ event ProjectExternalAssetDependenciesLocked(uint256 indexed _projectId); // position of V3 Flex Lib storage, using a diamond storage pattern // for this library bytes32 constant V3_FLEX_LIB_STORAGE_POSITION = keccak256("v3flexlib.storage"); // project-level variables /** * Struct used to store a project's currently configured price, and * whether or not the price has been configured. */ struct FlexProjectData { bool externalAssetDependenciesLocked; uint24 externalAssetDependencyCount; mapping(uint256 => IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependency) externalAssetDependencies; } // Diamond storage pattern is used in this library struct V3FlexLibStorage { string preferredIPFSGateway; string preferredArweaveGateway; mapping(uint256 projectId => FlexProjectData) flexProjectsData; } /** * @notice Updates preferredIPFSGateway to `_gateway`. * @param _gateway The new preferred IPFS gateway. */ function updateIPFSGateway(string calldata _gateway) external { s().preferredIPFSGateway = _gateway; emit GatewayUpdated({ _dependencyType: IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .IPFS, _gatewayAddress: _gateway }); } /** * @notice Updates preferredArweaveGateway to `_gateway`. * @param _gateway The new preferred Arweave gateway. */ function updateArweaveGateway(string calldata _gateway) external { s().preferredArweaveGateway = _gateway; emit GatewayUpdated({ _dependencyType: IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ARWEAVE, _gatewayAddress: _gateway }); } /** * @notice Locks external asset dependencies for project `_projectId`. * Reverts if the external asset dependencies are already locked. * @dev This is a one-way operation. Once locked, the external asset dependencies cannot be updated. * @param _projectId Project to be locked. */ function lockProjectExternalAssetDependencies(uint256 _projectId) external { FlexProjectData storage flexProjectData = getFlexProjectData( _projectId ); _onlyUnlockedProjectExternalAssetDependencies(flexProjectData); flexProjectData.externalAssetDependenciesLocked = true; emit ProjectExternalAssetDependenciesLocked(_projectId); } /** * @notice Updates external asset dependency for project `_projectId`. * @dev Making this an external function adds roughly 1% to the gas cost of adding an asset, but * significantly reduces the bytecode of contracts using this library. * @param _projectId Project to be updated. * @param _index Asset index. * @param _cidOrData Field that contains the CID of the dependency if IPFS or ARWEAVE, * empty string of ONCHAIN, or a string representation of the Art Blocks Dependency * Registry's `dependencyNameAndVersion` if ART_BLOCKS_DEPENDENCY_REGISTRY. * @param _dependencyType Asset dependency type. * 0 - IPFS * 1 - ARWEAVE * 2 - ONCHAIN * 3 - ART_BLOCKS_DEPENDENCY_REGISTRY */ function updateProjectExternalAssetDependency( uint256 _projectId, uint256 _index, string memory _cidOrData, IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependencyType _dependencyType ) external { FlexProjectData storage flexProjectData = getFlexProjectData( _projectId ); _onlyUnlockedProjectExternalAssetDependencies(flexProjectData); uint24 assetCount = flexProjectData.externalAssetDependencyCount; require(_index < assetCount, "Asset index out of range"); // @dev dependencyNameAndVersion are not validated against the dependency registry // due to limitations of L1 reads on L2 networks at this time IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependency storage _oldDependency = flexProjectData.externalAssetDependencies[ _index ]; IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependencyType _oldDependencyType = _oldDependency .dependencyType; // update the asset's dependency type to new value in storage flexProjectData .externalAssetDependencies[_index] .dependencyType = _dependencyType; // if the incoming dependency type is onchain, we need to write the data to bytecode if ( _dependencyType == IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ONCHAIN ) { if ( _oldDependencyType != IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ONCHAIN ) { // we only need to set the cid to an empty string if we are replacing an offchain asset // an onchain asset will already have an empty cid flexProjectData.externalAssetDependencies[_index].cid = ""; } flexProjectData .externalAssetDependencies[_index] .bytecodeAddress = _cidOrData.writeToBytecode(); // we don't want to emit data, so we emit the cid as an empty string _cidOrData = ""; } else { // incoming dependency type is not ONCHAIN, so we set the cid directly with either // the incoming cid or string representation of the dependencyNameAndVersion flexProjectData.externalAssetDependencies[_index].cid = _cidOrData; // clear any previously populated bytecode address flexProjectData .externalAssetDependencies[_index] .bytecodeAddress = address(0); } emit ExternalAssetDependencyUpdated({ _projectId: _projectId, _index: _index, _cid: _cidOrData, _dependencyType: _dependencyType, _externalAssetDependencyCount: assetCount }); } /** * @notice Updates external asset dependency for project `_projectId` of type * ONCHAIN using on-chain compression. This function stores the string * in a compressed format on-chain. For reads, the compressed script is * decompressed on-chain, ensuring the original text is reconstructed without * external dependencies. * @param _projectId Project to be updated. * @param _index Asset index. * @param _compressedString Pre-compressed string asset to be added. */ function updateProjectExternalAssetDependencyOnChainCompressed( uint256 _projectId, uint256 _index, bytes memory _compressedString ) external { FlexProjectData storage flexProjectData = getFlexProjectData( _projectId ); _onlyUnlockedProjectExternalAssetDependencies(flexProjectData); // check that the index is within the range of the asset count uint24 assetCount = flexProjectData.externalAssetDependencyCount; require(_index < assetCount, "Asset index out of range"); // EFFECTS // overwrite the relevant fields of the previous asset, assigning bytecodeAddress directly IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependency storage currentDependency = flexProjectData .externalAssetDependencies[_index]; currentDependency.cid = ""; currentDependency.dependencyType = IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ONCHAIN; currentDependency.bytecodeAddress = _compressedString .writeToBytecodeCompressed(); // emit the event emit ExternalAssetDependencyUpdated({ _projectId: _projectId, _index: _index, _cid: "", _dependencyType: IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ONCHAIN, _externalAssetDependencyCount: assetCount }); } /** * @notice Updates external asset dependency for project `_projectId` at * index `_index`, with data at BytecodeStorage-compatible address * `_assetAddress`. * @param _projectId Project to be updated. * @param _index Asset index. * @param _assetAddress Address of the on-chain asset. */ function updateProjectAssetDependencyOnChainAtAddress( uint256 _projectId, uint256 _index, address _assetAddress ) external { // CHECKS FlexProjectData storage flexProjectData = getFlexProjectData( _projectId ); _onlyUnlockedProjectExternalAssetDependencies(flexProjectData); uint24 assetCount = flexProjectData.externalAssetDependencyCount; require(_index < assetCount, "Asset index out of range"); // EFFECTS // overwrite the relevant fields of the previous asset IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependency storage currentDependency = flexProjectData .externalAssetDependencies[_index]; currentDependency.cid = ""; currentDependency.dependencyType = IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ONCHAIN; currentDependency.bytecodeAddress = _assetAddress; // emit the event emit ExternalAssetDependencyUpdated({ _projectId: _projectId, _index: _index, _cid: "", _dependencyType: IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ONCHAIN, _externalAssetDependencyCount: assetCount }); } /** * @notice Removes external asset dependency for project `_projectId` at index `_index`. * Removal is done by swapping the element to be removed with the last element in the array, then deleting this last element. * Assets with indices higher than `_index` can have their indices adjusted as a result of this operation. * @param _projectId Project to be updated. * @param _index Asset index */ function removeProjectExternalAssetDependency( uint256 _projectId, uint256 _index ) external { FlexProjectData storage flexProjectData = getFlexProjectData( _projectId ); _onlyUnlockedProjectExternalAssetDependencies(flexProjectData); // ensure the index is within the range of the asset count uint24 assetCount = flexProjectData.externalAssetDependencyCount; require(_index < assetCount, "Asset index out of range"); // @dev solidity underflow will revert on the following statement if assetCount is 0 uint24 lastElementIndex = assetCount - 1; // for UX purposes, only allow removal of the last lastElementIndex require(_index == lastElementIndex, "Only removal of last asset"); // @dev simply delete last element; no need to copy last to deleted index due to require statement above delete flexProjectData.externalAssetDependencies[lastElementIndex]; flexProjectData.externalAssetDependencyCount = lastElementIndex; emit ExternalAssetDependencyRemoved({ _projectId: _projectId, _index: _index }); } /** * @notice Adds external asset dependency for project `_projectId`. * @dev Making this an external function adds roughly 1% to the gas cost of adding an asset, but * significantly reduces the bytecode of contracts using this library. * @param _projectId Project to be updated. * @param _cidOrData Field that contains the CID of the dependency if IPFS or ARWEAVE, * empty string of ONCHAIN, or a string representation of the Art Blocks Dependency * Registry's `dependencyNameAndVersion` if ART_BLOCKS_DEPENDENCY_REGISTRY. * @param _dependencyType Asset dependency type. * 0 - IPFS * 1 - ARWEAVE * 2 - ONCHAIN * 3 - ART_BLOCKS_DEPENDENCY_REGISTRY */ function addProjectExternalAssetDependency( uint256 _projectId, string memory _cidOrData, IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependencyType _dependencyType ) external { FlexProjectData storage flexProjectData = getFlexProjectData( _projectId ); _onlyUnlockedProjectExternalAssetDependencies(flexProjectData); // @dev dependencyNameAndVersion are not validated against the dependency registry // due to limitations of L1 reads on L2 networks at this time uint24 assetCount = flexProjectData.externalAssetDependencyCount; address _bytecodeAddress = address(0); // if the incoming dependency type is onchain, we need to write the data to bytecode if ( _dependencyType == IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ONCHAIN ) { _bytecodeAddress = _cidOrData.writeToBytecode(); // we don't want to assign or emit data, so we emit the cid as an empty string _cidOrData = ""; } // append the new asset to the end of the project's asset storage array flexProjectData.externalAssetDependencies[ assetCount ] = IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependency({ cid: _cidOrData, dependencyType: _dependencyType, bytecodeAddress: _bytecodeAddress }); // increment the project's asset count flexProjectData.externalAssetDependencyCount = assetCount + 1; // emit event indicating the asset has been added emit ExternalAssetDependencyUpdated({ _projectId: _projectId, _index: assetCount, _cid: _cidOrData, _dependencyType: _dependencyType, _externalAssetDependencyCount: assetCount + 1 }); } /** * @notice Adds external asset dependency for project `_projectId` of type * ONCHAIN using on-chain compression. This function stores the string * in a compressed format on-chain. For reads, the compressed script is * decompressed on-chain, ensuring the original text is reconstructed without * external dependencies. * @param _projectId Project to be updated. * @param _compressedString Pre-compressed string asset to be added. */ function addProjectExternalAssetDependencyOnChainCompressed( uint256 _projectId, bytes memory _compressedString ) external { FlexProjectData storage flexProjectData = getFlexProjectData( _projectId ); _onlyUnlockedProjectExternalAssetDependencies(flexProjectData); // append the new asset to the end of the project's asset storage array uint24 assetCount = flexProjectData.externalAssetDependencyCount; flexProjectData.externalAssetDependencies[ assetCount ] = IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependency({ cid: "", dependencyType: IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ONCHAIN, bytecodeAddress: _compressedString.writeToBytecodeCompressed() }); // increment the asset count flexProjectData.externalAssetDependencyCount = assetCount + 1; // emit event indicating the asset has been added emit ExternalAssetDependencyUpdated({ _projectId: _projectId, _index: assetCount, _cid: "", _dependencyType: IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ONCHAIN, _externalAssetDependencyCount: assetCount + 1 }); } /** * @notice Adds an on-chain external asset dependency for project * `_projectId`, with data at BytecodeStorage-compatible address * `_assetAddress`. * @param _projectId Project to be updated. * @param _assetAddress Address of the BytecodeStorageReader-compatible on-chain asset. */ function addProjectAssetDependencyOnChainAtAddress( uint256 _projectId, address _assetAddress ) external { FlexProjectData storage flexProjectData = getFlexProjectData( _projectId ); _onlyUnlockedProjectExternalAssetDependencies(flexProjectData); // append the new asset to the end of the project's asset storage array uint24 assetCount = flexProjectData.externalAssetDependencyCount; flexProjectData.externalAssetDependencies[ assetCount ] = IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependency({ cid: "", dependencyType: IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ONCHAIN, bytecodeAddress: _assetAddress }); // increment the asset count flexProjectData.externalAssetDependencyCount = assetCount + 1; // emit event indicating the asset has been added emit ExternalAssetDependencyUpdated({ _projectId: _projectId, _index: assetCount, _cid: "", _dependencyType: IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ONCHAIN, _externalAssetDependencyCount: assetCount + 1 }); } /** * @notice Returns external asset dependency count for project `_projectId` at index `_index`. */ function projectExternalAssetDependencyCount( uint256 _projectId ) external view returns (uint256) { FlexProjectData storage flexProjectData = getFlexProjectData( _projectId ); return uint256(flexProjectData.externalAssetDependencyCount); } /** * @notice Returns external asset dependency for project `_projectId` at index `_index`. * If the dependencyType is ONCHAIN, the `data` field will contain the extrated bytecode data and `cid` * will be an empty string. Conversly, for any other dependencyType, the `data` field will be an empty string * and the `bytecodeAddress` will point to the zero address. * @param _projectId Project to get external asset dependency for. * @param _index Index of the external asset dependency. * @param _bytecodeStorageReaderContract The bytecode storage reader contract to use for reading on-chain * dependencies; only used if the dependency is of type ONCHAIN. */ function projectExternalAssetDependencyByIndex( uint256 _projectId, uint256 _index, IBytecodeStorageReader_Base _bytecodeStorageReaderContract ) external view returns ( IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependencyWithData memory ) { FlexProjectData storage flexProjectData = getFlexProjectData( _projectId ); IGenArt721CoreContractV3_Engine_Flex.ExternalAssetDependency storage _dependency = flexProjectData.externalAssetDependencies[ _index ]; address _bytecodeAddress = _dependency.bytecodeAddress; return IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyWithData({ dependencyType: _dependency.dependencyType, cid: _dependency.cid, bytecodeAddress: _bytecodeAddress, data: (_dependency.dependencyType == IGenArt721CoreContractV3_Engine_Flex .ExternalAssetDependencyType .ONCHAIN) ? _bytecodeStorageReaderContract.readFromBytecode( _bytecodeAddress ) : "" }); } /** * @notice Returns the preferred IPFS gateway. */ function preferredIPFSGateway() external view returns (string memory) { return s().preferredIPFSGateway; } /** * @notice Returns the preferred Arweave gateway. */ function preferredArweaveGateway() external view returns (string memory) { return s().preferredArweaveGateway; } /** * @notice Loads the FlexProjectData for a given project. * @param projectId Project Id to get FlexProjectData for */ function getFlexProjectData( uint256 projectId ) internal view returns (FlexProjectData storage) { return s().flexProjectsData[projectId]; } /** * @notice Return the storage struct for reading and writing. This library * uses a diamond storage pattern when managing storage. * @return storageStruct The V3FlexLibStorage struct. */ function s() internal pure returns (V3FlexLibStorage storage storageStruct) { bytes32 position = V3_FLEX_LIB_STORAGE_POSITION; assembly ("memory-safe") { storageStruct.slot := position } } function _onlyUnlockedProjectExternalAssetDependencies( FlexProjectData storage flexProjectData ) private view { require( !flexProjectData.externalAssetDependenciesLocked, "External dependencies locked" ); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; /// @notice Library for compressing and decompressing bytes. /// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/LibZip.sol) /// @author Calldata compression by clabby (https://github.com/clabby/op-kompressor) /// @author FastLZ by ariya (https://github.com/ariya/FastLZ) /// /// @dev Note: /// The accompanying solady.js library includes implementations of /// FastLZ and calldata operations for convenience. library LibZip { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* FAST LZ OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ // LZ77 implementation based on FastLZ. // Equivalent to level 1 compression and decompression at the following commit: // https://github.com/ariya/FastLZ/commit/344eb4025f9ae866ebf7a2ec48850f7113a97a42 // Decompression is backwards compatible. /// @dev Returns the compressed `data`. function flzCompress(bytes memory data) internal pure returns (bytes memory result) { /// @solidity memory-safe-assembly assembly { function ms8(d_, v_) -> _d { mstore8(d_, v_) _d := add(d_, 1) } function u24(p_) -> _u { _u := mload(p_) _u := or(shl(16, byte(2, _u)), or(shl(8, byte(1, _u)), byte(0, _u))) } function cmp(p_, q_, e_) -> _l { for { e_ := sub(e_, q_) } lt(_l, e_) { _l := add(_l, 1) } { e_ := mul(iszero(byte(0, xor(mload(add(p_, _l)), mload(add(q_, _l))))), e_) } } function literals(runs_, src_, dest_) -> _o { for { _o := dest_ } iszero(lt(runs_, 0x20)) { runs_ := sub(runs_, 0x20) } { mstore(ms8(_o, 31), mload(src_)) _o := add(_o, 0x21) src_ := add(src_, 0x20) } if iszero(runs_) { leave } mstore(ms8(_o, sub(runs_, 1)), mload(src_)) _o := add(1, add(_o, runs_)) } function mt(l_, d_, o_) -> _o { for { d_ := sub(d_, 1) } iszero(lt(l_, 263)) { l_ := sub(l_, 262) } { o_ := ms8(ms8(ms8(o_, add(224, shr(8, d_))), 253), and(0xff, d_)) } if iszero(lt(l_, 7)) { _o := ms8(ms8(ms8(o_, add(224, shr(8, d_))), sub(l_, 7)), and(0xff, d_)) leave } _o := ms8(ms8(o_, add(shl(5, l_), shr(8, d_))), and(0xff, d_)) } function setHash(i_, v_) { let p_ := add(mload(0x40), shl(2, i_)) mstore(p_, xor(mload(p_), shl(224, xor(shr(224, mload(p_)), v_)))) } function getHash(i_) -> _h { _h := shr(224, mload(add(mload(0x40), shl(2, i_)))) } function hash(v_) -> _r { _r := and(shr(19, mul(2654435769, v_)), 0x1fff) } function setNextHash(ip_, ipStart_) -> _ip { setHash(hash(u24(ip_)), sub(ip_, ipStart_)) _ip := add(ip_, 1) } result := mload(0x40) codecopy(result, codesize(), 0x8000) // Zeroize the hashmap. let op := add(result, 0x8000) let a := add(data, 0x20) let ipStart := a let ipLimit := sub(add(ipStart, mload(data)), 13) for { let ip := add(2, a) } lt(ip, ipLimit) {} { let r := 0 let d := 0 for {} 1 {} { let s := u24(ip) let h := hash(s) r := add(ipStart, getHash(h)) setHash(h, sub(ip, ipStart)) d := sub(ip, r) if iszero(lt(ip, ipLimit)) { break } ip := add(ip, 1) if iszero(gt(d, 0x1fff)) { if eq(s, u24(r)) { break } } } if iszero(lt(ip, ipLimit)) { break } ip := sub(ip, 1) if gt(ip, a) { op := literals(sub(ip, a), a, op) } let l := cmp(add(r, 3), add(ip, 3), add(ipLimit, 9)) op := mt(l, d, op) ip := setNextHash(setNextHash(add(ip, l), ipStart), ipStart) a := ip } // Copy the result to compact the memory, overwriting the hashmap. let end := sub(literals(sub(add(ipStart, mload(data)), a), a, op), 0x7fe0) let o := add(result, 0x20) mstore(result, sub(end, o)) // Store the length. for {} iszero(gt(o, end)) { o := add(o, 0x20) } { mstore(o, mload(add(o, 0x7fe0))) } mstore(end, 0) // Zeroize the slot after the string. mstore(0x40, add(end, 0x20)) // Allocate the memory. } } /// @dev Returns the decompressed `data`. function flzDecompress(bytes memory data) internal pure returns (bytes memory result) { /// @solidity memory-safe-assembly assembly { result := mload(0x40) let op := add(result, 0x20) let end := add(add(data, 0x20), mload(data)) for { data := add(data, 0x20) } lt(data, end) {} { let w := mload(data) let c := byte(0, w) let t := shr(5, c) if iszero(t) { mstore(op, mload(add(data, 1))) data := add(data, add(2, c)) op := add(op, add(1, c)) continue } for { let g := eq(t, 7) let l := add(2, xor(t, mul(g, xor(t, add(7, byte(1, w)))))) // M let s := add(add(shl(8, and(0x1f, c)), byte(add(1, g), w)), 1) // R let r := sub(op, s) let f := xor(s, mul(gt(s, 0x20), xor(s, 0x20))) let j := 0 } 1 {} { mstore(add(op, j), mload(add(r, j))) j := add(j, f) if lt(j, l) { continue } data := add(data, add(2, g)) op := add(op, l) break } } mstore(result, sub(op, add(result, 0x20))) // Store the length. mstore(op, 0) // Zeroize the slot after the string. mstore(0x40, add(op, 0x20)) // Allocate the memory. } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CALLDATA OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ // Calldata compression and decompression using selective run length encoding: // - Sequences of 0x00 (up to 128 consecutive). // - Sequences of 0xff (up to 32 consecutive). // // A run length encoded block consists of two bytes: // (0) 0x00 // (1) A control byte with the following bit layout: // - [7] `0: 0x00, 1: 0xff`. // - [0..6] `runLength - 1`. // // The first 4 bytes are bitwise negated so that the compressed calldata // can be dispatched into the `fallback` and `receive` functions. /// @dev Returns the compressed `data`. function cdCompress(bytes memory data) internal pure returns (bytes memory result) { /// @solidity memory-safe-assembly assembly { function rle(v_, o_, d_) -> _o, _d { mstore(o_, shl(240, or(and(0xff, add(d_, 0xff)), and(0x80, v_)))) _o := add(o_, 2) } result := mload(0x40) let o := add(result, 0x20) let z := 0 // Number of consecutive 0x00. let y := 0 // Number of consecutive 0xff. for { let end := add(data, mload(data)) } iszero(eq(data, end)) {} { data := add(data, 1) let c := byte(31, mload(data)) if iszero(c) { if y { o, y := rle(0xff, o, y) } z := add(z, 1) if eq(z, 0x80) { o, z := rle(0x00, o, 0x80) } continue } if eq(c, 0xff) { if z { o, z := rle(0x00, o, z) } y := add(y, 1) if eq(y, 0x20) { o, y := rle(0xff, o, 0x20) } continue } if y { o, y := rle(0xff, o, y) } if z { o, z := rle(0x00, o, z) } mstore8(o, c) o := add(o, 1) } if y { o, y := rle(0xff, o, y) } if z { o, z := rle(0x00, o, z) } // Bitwise negate the first 4 bytes. mstore(add(result, 4), not(mload(add(result, 4)))) mstore(result, sub(o, add(result, 0x20))) // Store the length. mstore(o, 0) // Zeroize the slot after the string. mstore(0x40, add(o, 0x20)) // Allocate the memory. } } /// @dev Returns the decompressed `data`. function cdDecompress(bytes memory data) internal pure returns (bytes memory result) { /// @solidity memory-safe-assembly assembly { if mload(data) { result := mload(0x40) let o := add(result, 0x20) let s := add(data, 4) let v := mload(s) let end := add(data, mload(data)) mstore(s, not(v)) // Bitwise negate the first 4 bytes. for {} lt(data, end) {} { data := add(data, 1) let c := byte(31, mload(data)) if iszero(c) { data := add(data, 1) let d := byte(31, mload(data)) // Fill with either 0xff or 0x00. mstore(o, not(0)) if iszero(gt(d, 0x7f)) { codecopy(o, codesize(), add(d, 1)) } o := add(o, add(and(d, 0x7f), 1)) continue } mstore8(o, c) o := add(o, 1) } mstore(s, v) // Restore the first 4 bytes. mstore(result, sub(o, add(result, 0x20))) // Store the length. mstore(o, 0) // Zeroize the slot after the string. mstore(0x40, add(o, 0x20)) // Allocate the memory. } } } /// @dev To be called in the `fallback` function. /// ``` /// fallback() external payable { LibZip.cdFallback(); } /// receive() external payable {} // Silence compiler warning to add a `receive` function. /// ``` /// For efficiency, this function will directly return the results, terminating the context. /// If called internally, it must be called at the end of the function. function cdFallback() internal { assembly { if iszero(calldatasize()) { return(calldatasize(), calldatasize()) } let o := 0 let f := not(3) // For negating the first 4 bytes. for { let i := 0 } lt(i, calldatasize()) {} { let c := byte(0, xor(add(i, f), calldataload(i))) i := add(i, 1) if iszero(c) { let d := byte(0, xor(add(i, f), calldataload(i))) i := add(i, 1) // Fill with either 0xff or 0x00. mstore(o, not(0)) if iszero(gt(d, 0x7f)) { codecopy(o, codesize(), add(d, 1)) } o := add(o, add(and(d, 0x7f), 1)) continue } mstore8(o, c) o := add(o, 1) } let success := delegatecall(gas(), address(), 0x00, o, codesize(), 0x00) returndatacopy(0x00, 0x00, returndatasize()) if iszero(success) { revert(0x00, returndatasize()) } return(0x00, returndatasize()) } } }
{ "optimizer": { "enabled": true, "runs": 10 }, "evmVersion": "paris", "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": { "contracts/libs/v0.8.x/BytecodeStorageV2.sol": { "BytecodeStorageReader": "0x000000000016a5a5ff2fa7799c4bee89ba59b74e" }, "contracts/libs/v0.8.x/V3FlexLib.sol": { "V3FlexLib": "0x00000000db6f2ebe627260e411e6c973b7c48a62" } } }
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Multichain Portfolio | 30 Chains
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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.