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Contract Name:
BaseNFTFacet
Compiler Version
v0.8.4+commit.c7e474f2
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; import {ERC721AFacet, ERC721ALib} from "./ERC721A/ERC721AFacet.sol"; import {AccessControlModifiers, AccessControlLib} from "./AccessControl/AccessControlModifiers.sol"; import {BaseNFTLib} from "./BaseNFTLib.sol"; import {SaleStateModifiers} from "./BaseNFTModifiers.sol"; import {URIStorageLib} from "./URIStorage/URIStorageLib.sol"; import {URIStorageFacet} from "./URIStorage/URIStorageFacet.sol"; import {PaymentSplitterFacet} from "./PaymentSplitter/PaymentSplitterFacet.sol"; import {RoyaltyStandardFacet} from "./RoyaltyStandard/RoyaltyStandardFacet.sol"; import {RoyaltyStandardLib} from "./RoyaltyStandard/RoyaltyStandardLib.sol"; error NonExistentToken(); error AlreadyInitialized(); // Inherit from other facets in the BaseNFTFacet // Why inherit to one facet instead of deploying Each Facet Separately? // Because its cheaper for end customers to just store / cut one facet address contract BaseNFTFacet is SaleStateModifiers, AccessControlModifiers, ERC721AFacet, RoyaltyStandardFacet, URIStorageFacet { function setTokenMeta( string memory _name, string memory _symbol, uint96 _defaultRoyalty ) public onlyOwner whenNotPaused { ERC721ALib.ERC721AStorage storage s = ERC721ALib.erc721AStorage(); s._name = _name; s._symbol = _symbol; RoyaltyStandardLib._setDefaultRoyalty(_defaultRoyalty); } function devMint(address to, uint256 quantity) public payable onlyOperator whenNotPaused { BaseNFTLib._safeMint(to, quantity); } function devMintUnsafe(address to, uint256 quantity) public payable onlyOperator whenNotPaused { BaseNFTLib._unsafeMint(to, quantity); } function devMintWithTokenURI(address to, string memory _tokenURI) public payable onlyOperator whenNotPaused { uint256 tokenId = BaseNFTLib._safeMint(to, 1); URIStorageLib.setTokenURI(tokenId, _tokenURI); } function saleState() public view returns (uint256) { return BaseNFTLib.saleState(); } function setSaleState(uint256 _saleState) public onlyOperator whenNotPaused { BaseNFTLib.setSaleState(_saleState); } function setMaxMintable(uint256 _maxMintable) public onlyOperator whenNotPaused { return BaseNFTLib.setMaxMintable(_maxMintable); } function maxMintable() public view returns (uint256) { return BaseNFTLib.maxMintable(); } function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!ERC721ALib._exists(tokenId)) { revert NonExistentToken(); } return URIStorageLib.tokenURI(tokenId); } function allOwners() external view returns (address[] memory) { return BaseNFTLib.allOwners(); } function allTokensForOwner(address _owner) external view returns (uint256[] memory) { return BaseNFTLib.allTokensForOwner(_owner); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; import "./ERC721ALib.sol"; import {PausableModifiers} from "../Pausable/PausableModifiers.sol"; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension. Built to optimize for lower gas during batch mints. * * Assumes serials are sequentially minted starting at ERC721ALib._startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..). * * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply. * * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256). */ abstract contract ERC721AFacet is IERC721Metadata, PausableModifiers { using Address for address; using Strings for uint256; /** * @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens. */ function totalSupply() public view returns (uint256) { ERC721ALib.ERC721AStorage storage s = ERC721ALib.erc721AStorage(); // Counter underflow is impossible as _burnCounter cannot be incremented // more than _currentIndex - _startTokenId() times unchecked { return s._currentIndex - s._burnCounter - 1; } } /** * Returns the total amount of tokens minted in the contract. */ function totalMinted() public view returns (uint256) { return ERC721ALib.totalMinted(); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view override returns (uint256) { return ERC721ALib.balanceOf(owner); } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view override returns (address) { return ERC721ALib._ownershipOf(tokenId).addr; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return ERC721ALib.erc721AStorage()._name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return ERC721ALib.erc721AStorage()._symbol; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public override whenNotPaused { address owner = ERC721AFacet.ownerOf(tokenId); if (to == owner) revert ApprovalToCurrentOwner(); if (msg.sender != owner && !isApprovedForAll(owner, msg.sender)) { revert ApprovalCallerNotOwnerNorApproved(); } ERC721ALib._approve(to, tokenId, owner); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view override returns (address) { return ERC721ALib._getApproved(tokenId); } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override whenNotPaused { if (operator == msg.sender) revert ApproveToCaller(); ERC721ALib.erc721AStorage()._operatorApprovals[msg.sender][ operator ] = approved; emit ApprovalForAll(msg.sender, operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return ERC721ALib._isApprovedForAll(owner, operator); } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override whenNotPaused { ERC721ALib._transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override whenNotPaused { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override whenNotPaused { ERC721ALib._transfer(from, to, tokenId); if ( to.isContract() && !ERC721ALib._checkContractOnERC721Received(from, to, tokenId, _data) ) { revert TransferToNonERC721ReceiverImplementer(); } } function burn(uint256 tokenId) public whenNotPaused { ERC721ALib._burn(tokenId); } function startTokenId() public pure returns (uint256) { return ERC721ALib._startTokenId(); } function exists(uint256 tokenId) public view returns (bool) { return ERC721ALib._exists(tokenId); } function numberMinted(address tokenOwner) public view returns (uint256) { return ERC721ALib._numberMinted(tokenOwner); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./AccessControlLib.sol"; abstract contract AccessControlModifiers { modifier onlyOperator() { AccessControlLib._checkRole(AccessControlLib.OPERATOR_ROLE, msg.sender); _; } modifier onlyOwner() { AccessControlLib._enforceOwner(); _; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; import {ERC721ALib} from "./ERC721A/ERC721ALib.sol"; error ExceedsMaxMintable(); error MaxMintableTooSmall(); error MaxMintableLocked(); library BaseNFTLib { struct BaseNFTStorage { uint256 saleState; uint256 maxMintable; // the max number of tokens able to be minted bool maxMintableLocked; } function baseNFTStorage() internal pure returns (BaseNFTStorage storage es) { bytes32 position = keccak256("base.nft.diamond.storage"); assembly { es.slot := position } } function saleState() internal view returns (uint256) { return baseNFTStorage().saleState; } function setSaleState(uint256 _saleState) internal { baseNFTStorage().saleState = _saleState; } function _safeMint(address to, uint256 quantity) internal returns (uint256 initialTokenId) { // if max mintable is zero, unlimited mints are allowed uint256 max = baseNFTStorage().maxMintable; if (max != 0 && max < (ERC721ALib.totalMinted() + quantity)) { revert ExceedsMaxMintable(); } // returns the id of the first token minted! initialTokenId = ERC721ALib.currentIndex(); ERC721ALib._safeMint(to, quantity); } // skips checks about sending to contract addresses function _unsafeMint(address to, uint256 quantity) internal returns (uint256 initialTokenId) { // if max mintable is zero, unlimited mints are allowed uint256 max = baseNFTStorage().maxMintable; if (max != 0 && max < (ERC721ALib.totalMinted() + quantity)) { revert ExceedsMaxMintable(); } // returns the id of the first token minted! initialTokenId = ERC721ALib.currentIndex(); ERC721ALib._mint(to, quantity, "", false); } function maxMintable() internal view returns (uint256) { return baseNFTStorage().maxMintable; } function setMaxMintable(uint256 _maxMintable) internal { if (_maxMintable < ERC721ALib.totalMinted()) { revert MaxMintableTooSmall(); } if (baseNFTStorage().maxMintableLocked) { revert MaxMintableLocked(); } baseNFTStorage().maxMintable = _maxMintable; } // NOTE: this returns an array of owner addresses for each token // this may return duplicate addresses if one address owns multiple // tokens. The client should de-doop as needed function allOwners() internal view returns (address[] memory) { uint256 currIndex = ERC721ALib.erc721AStorage()._currentIndex; address[] memory _allOwners = new address[](currIndex - 1); for (uint256 i = 0; i < currIndex - 1; i++) { uint256 tokenId = i + 1; if (ERC721ALib._exists(tokenId)) { address owner = ERC721ALib._ownershipOf(tokenId).addr; _allOwners[i] = owner; } else { _allOwners[i] = address(0x0); } } return _allOwners; } function allTokensForOwner(address _owner) internal view returns (uint256[] memory) { uint256 balance = ERC721ALib.balanceOf(_owner); uint256 currIndex = ERC721ALib.erc721AStorage()._currentIndex; uint256[] memory tokens = new uint256[](balance); uint256 tokenCount = 0; for (uint256 i = 1; i < currIndex; i++) { if (ERC721ALib._exists(i)) { address ownerOfToken = ERC721ALib._ownershipOf(i).addr; if (ownerOfToken == _owner) { tokens[tokenCount] = i; tokenCount++; } } } return tokens; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; import {BaseNFTLib} from "./BaseNFTLib.sol"; // sale states // 0 - closed // 1 - public sale // 2 - allow list sale error IncorrectSaleState(); abstract contract SaleStateModifiers { modifier onlyAtSaleState(uint256 _gatedSaleState) { if (_gatedSaleState != BaseNFTLib.saleState()) { revert IncorrectSaleState(); } _; } modifier onlyAtOneOfSaleStates(uint256[] calldata _gatedSaleStates) { uint256 currState = BaseNFTLib.saleState(); for (uint256 i; i < _gatedSaleStates.length; i++) { if (_gatedSaleStates[i] == currState) { _; return; } } revert IncorrectSaleState(); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {DiamondCloneLib} from "../DiamondClone/DiamondCloneLib.sol"; import {Strings} from "../ERC721A/ERC721ALib.sol"; import {DiamondSaw} from "../../DiamondSaw.sol"; error MetaDataLocked(); library URIStorageLib { using Strings for uint256; struct URIStorage { mapping(uint256 => string) _tokenURIs; string folderStorageBaseURI; string tokenStorageBaseURI; bytes4 tokenURIOverrideSelector; bool metadataLocked; } function uriStorage() internal pure returns (URIStorage storage s) { bytes32 position = keccak256("uri.storage.facet.storage"); assembly { s.slot := position } } function setFolderStorageBaseURI(string memory _baseURI) internal { URIStorage storage s = uriStorage(); if (s.metadataLocked) revert MetaDataLocked(); s.folderStorageBaseURI = _baseURI; } function setTokenStorageBaseURI(string memory _baseURI) internal { URIStorage storage s = uriStorage(); if (s.metadataLocked) revert MetaDataLocked(); s.tokenStorageBaseURI = _baseURI; } function tokenURIFromStorage(uint256 tokenId) internal view returns (string storage) { return uriStorage()._tokenURIs[tokenId]; } function setTokenURI(uint256 tokenId, string memory _tokenURI) internal { URIStorage storage s = uriStorage(); if (s.metadataLocked) revert MetaDataLocked(); s._tokenURIs[tokenId] = _tokenURI; } function _burn(uint256 tokenId) internal { URIStorage storage s = uriStorage(); if (bytes(s._tokenURIs[tokenId]).length != 0) { delete s._tokenURIs[tokenId]; } } function setTokenURIOverrideSelector(bytes4 selector) internal { URIStorage storage s = uriStorage(); if (s.metadataLocked) revert MetaDataLocked(); address sawAddress = DiamondCloneLib .diamondCloneStorage() .diamondSawAddress; bool isApproved = DiamondSaw(sawAddress).isTokenURISelectorApproved( selector ); require(isApproved, "selector not approved"); s.tokenURIOverrideSelector = selector; } function removeTokenURIOverrideSelector() internal { URIStorage storage s = uriStorage(); if (s.metadataLocked) revert MetaDataLocked(); s.tokenURIOverrideSelector = bytes4(0); } // Check for // 1. tokenURIOverride (approved override function) // 2. if individual token uri is set // 3. folder storage function tokenURI(uint256 tokenId) internal view returns (string memory) { URIStorage storage s = uriStorage(); // the override is set, use that if (s.tokenURIOverrideSelector != bytes4(0)) { (bool success, bytes memory result) = address(this).staticcall( abi.encodeWithSelector(s.tokenURIOverrideSelector, tokenId) ); require(success, "Token URI Override Failed"); string memory uri = abi.decode(result, (string)); return uri; } // fall back on "normal" token storage string storage individualTokenURI = tokenURIFromStorage(tokenId); string storage folderStorageBaseURI = s.folderStorageBaseURI; string storage tokenStorageBaseURI = s.tokenStorageBaseURI; return bytes(individualTokenURI).length != 0 ? string( abi.encodePacked(tokenStorageBaseURI, individualTokenURI) ) : string( abi.encodePacked(folderStorageBaseURI, tokenId.toString()) ); } function lockMetadata() internal { uriStorage().metadataLocked = true; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {URIStorageLib} from "./URIStorageLib.sol"; import {AccessControlModifiers} from "../AccessControl/AccessControlModifiers.sol"; import {PausableModifiers} from "../Pausable/PausableModifiers.sol"; contract URIStorageFacet is AccessControlModifiers, PausableModifiers { function setTokenURI(uint256 tokenId, string memory _tokenURI) external onlyOperator whenNotPaused { URIStorageLib.setTokenURI(tokenId, _tokenURI); } function setFolderStorageBaseURI(string memory _baseURI) public onlyOperator whenNotPaused { URIStorageLib.setFolderStorageBaseURI(_baseURI); } function setTokenStorageBaseURI(string memory _baseURI) public onlyOperator whenNotPaused { URIStorageLib.setTokenStorageBaseURI(_baseURI); } function lockMetadata() public onlyOwner whenNotPaused { URIStorageLib.lockMetadata(); } function metadataLocked() public view returns (bool) { return URIStorageLib.uriStorage().metadataLocked; } function folderStorageBaseURI() public view returns (string memory) { return URIStorageLib.uriStorage().folderStorageBaseURI; } function tokenStorageBaseURI() public view returns (string memory) { return URIStorageLib.uriStorage().tokenStorageBaseURI; } function setTokenURIOverrideSelector(bytes4 selector) external onlyOwner whenNotPaused { URIStorageLib.setTokenURIOverrideSelector(selector); } function removeTokenURIOverrideSelector() external onlyOwner whenNotPaused { URIStorageLib.removeTokenURIOverrideSelector(); } function tokenURIOverrideSelector() public view returns (bytes4) { return URIStorageLib.uriStorage().tokenURIOverrideSelector; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {PaymentSplitterLib, IERC20} from "./PaymentSplitterLib.sol"; import {AccessControlModifiers} from "../AccessControl/AccessControlModifiers.sol"; import {DiamondInitializable} from "../../utils/DiamondInitializable.sol"; import {PausableModifiers} from "../Pausable/PausableModifiers.sol"; contract PaymentSplitterFacet is AccessControlModifiers, DiamondInitializable, PausableModifiers { function setPaymentSplits(address[] memory payees, uint256[] memory shares_) external onlyOwner initializer("payment.splitter") whenNotPaused { PaymentSplitterLib.setPaymentSplits(payees, shares_); } function releaseToken(IERC20 token, address account) external whenNotPaused { PaymentSplitterLib.release(token, account); } function release(address payable account) external whenNotPaused { PaymentSplitterLib.release(account); } function payee(uint256 index) public view returns (address) { return PaymentSplitterLib.payee(index); } function releasedToken(IERC20 token, address account) public view returns (uint256) { return PaymentSplitterLib.released(token, account); } function released(address account) public view returns (uint256) { return PaymentSplitterLib.released(account); } function shares(address account) public view returns (uint256) { return PaymentSplitterLib.shares(account); } function totalReleasedToken(IERC20 token) public view returns (uint256) { return PaymentSplitterLib.totalReleased(token); } function totalReleased() public view returns (uint256) { return PaymentSplitterLib.totalReleased(); } function totalShares() public view returns (uint256) { return PaymentSplitterLib.totalShares(); } function getPaymentSplits() public view returns (address[] memory, uint256[] memory) { return PaymentSplitterLib.getPaymentSplits(); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../../interfaces/IERC2981.sol"; import {AccessControlModifiers} from "../AccessControl/AccessControlModifiers.sol"; import {PausableModifiers} from "../Pausable/PausableModifiers.sol"; import {RoyaltyStandardLib} from "./RoyaltyStandardLib.sol"; contract RoyaltyStandardFacet is IERC2981, AccessControlModifiers, PausableModifiers { function royaltyInfo(uint256 tokenId, uint256 salePrice) external view override returns (address, uint256) { require(tokenId > 0, "tokenId may not exist"); // to please compiler warning return RoyaltyStandardLib.royaltyInfo(salePrice); } function setDefaultRoyalty(uint96 feeNumerator) external onlyOwner whenNotPaused { RoyaltyStandardLib._setDefaultRoyalty(feeNumerator); } function deleteDefaultRoyalty() external onlyOwner whenNotPaused { RoyaltyStandardLib._deleteDefaultRoyalty(); } function defaultRoyaltyFraction() external view returns (uint256) { return RoyaltyStandardLib .royaltyStandardStorage() ._defaultRoyaltyInfo .royaltyFraction; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/common/ERC2981.sol) pragma solidity ^0.8.0; /** * Simplified version of royalty standard that only supports default royalties * We plan to support token based royalties, but the royalties will always * flow through the main contract first. This is so we can support more complex * rev shares, as well as marketplaces such as OpenSea that don't currently support * the royalty standard */ library RoyaltyStandardLib { struct RoyaltyInfo { address receiver; uint96 royaltyFraction; } struct RoyaltyStandardStorage { RoyaltyInfo _defaultRoyaltyInfo; } function royaltyStandardStorage() internal pure returns (RoyaltyStandardStorage storage s) { bytes32 position = keccak256("royalty.standard.facet.storage"); assembly { s.slot := position } } function royaltyInfo(uint256 _salePrice) internal view returns (address, uint256) { RoyaltyStandardStorage storage s = royaltyStandardStorage(); RoyaltyInfo memory royalty = s._defaultRoyaltyInfo; uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator(); return (royalty.receiver, royaltyAmount); } /** * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an * override. */ function _feeDenominator() internal pure returns (uint96) { return 10000; } /** * @dev Sets the royalty information that all ids in this contract will default to. * * Requirements: * * - `feeNumerator` cannot be greater than the fee denominator. * - receiver is always the contract address where payment splitting is implemented */ function _setDefaultRoyalty(uint96 feeNumerator) internal { require( feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice" ); royaltyStandardStorage()._defaultRoyaltyInfo = RoyaltyInfo( address(this), feeNumerator ); } /** * @dev Removes default royalty information. */ function _deleteDefaultRoyalty() internal { delete royaltyStandardStorage()._defaultRoyaltyInfo; } }
// SPDX-License-Identifier: MIT import "@openzeppelin/contracts/utils/Address.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol"; import "../../interfaces/IERC721Metadata.sol"; import {TransferHooksLib} from "../TransferHooks/TransferHooksLib.sol"; pragma solidity ^0.8.4; error ApprovalCallerNotOwnerNorApproved(); error ApprovalQueryForNonexistentToken(); error ApproveToCaller(); error ApprovalToCurrentOwner(); error BalanceQueryForZeroAddress(); error MintToZeroAddress(); error MintZeroQuantity(); error OwnerQueryForNonexistentToken(); error TransferCallerNotOwnerNorApproved(); error TransferFromIncorrectOwner(); error TransferToNonERC721ReceiverImplementer(); error TransferToZeroAddress(); error URIQueryForNonexistentToken(); library ERC721ALib { using Address for address; using Strings for uint256; bytes32 constant ERC721A_STORAGE_POSITION = keccak256("erc721a.facet.storage"); event Transfer( address indexed from, address indexed to, uint256 indexed tokenId ); event Approval( address indexed owner, address indexed approved, uint256 indexed tokenId ); // Compiler will pack this into a single 256bit word. struct TokenOwnership { // The address of the owner. address addr; // Keeps track of the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; } // Compiler will pack this into a single 256bit word. struct AddressData { // Realistically, 2**64-1 is more than enough. uint64 balance; // Keeps track of mint count with minimal overhead for tokenomics. uint64 numberMinted; // Keeps track of burn count with minimal overhead for tokenomics. uint64 numberBurned; // For miscellaneous variable(s) pertaining to the address // (e.g. number of whitelist mint slots used). // If there are multiple variables, please pack them into a uint64. uint64 aux; // NOTE - this is unused in Juice implementation } struct ERC721AStorage { // The tokenId of the next token to be minted. uint256 _currentIndex; // The number of tokens burned. uint256 _burnCounter; // Token name string _name; // Token symbol string _symbol; // Mapping from token ID to ownership details // An empty struct value does not necessarily mean the token is unowned. See _ownershipOf implementation for details. mapping(uint256 => TokenOwnership) _ownerships; // Mapping owner address to address data mapping(address => AddressData) _addressData; // Mapping from token ID to approved address mapping(uint256 => address) _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) _operatorApprovals; } function erc721AStorage() internal pure returns (ERC721AStorage storage es) { bytes32 position = ERC721A_STORAGE_POSITION; assembly { es.slot := position } } function _safeMint(address to, uint256 quantity) internal { _safeMint(to, quantity, ""); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * Emits a {Transfer} event. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal { _mint(to, quantity, _data, true); } /** * @dev Mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {Transfer} event. */ function _mint( address to, uint256 quantity, bytes memory _data, bool safe ) internal { ERC721ALib.ERC721AStorage storage s = ERC721ALib.erc721AStorage(); uint256 startTokenId = s._currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); TransferHooksLib.beforeTokenTransfers( address(0), to, startTokenId, quantity ); // Overflows are incredibly unrealistic. // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1 // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1 unchecked { s._addressData[to].balance += uint64(quantity); s._addressData[to].numberMinted += uint64(quantity); s._ownerships[startTokenId].addr = to; s._ownerships[startTokenId].startTimestamp = uint64( block.timestamp ); uint256 updatedIndex = startTokenId; uint256 end = updatedIndex + quantity; if (safe && to.isContract()) { do { emit Transfer(address(0), to, updatedIndex); if ( !_checkContractOnERC721Received( address(0), to, updatedIndex++, _data ) ) { revert TransferToNonERC721ReceiverImplementer(); } } while (updatedIndex != end); // Reentrancy protection if (s._currentIndex != startTokenId) revert(); } else { do { emit Transfer(address(0), to, updatedIndex++); } while (updatedIndex != end); } s._currentIndex = updatedIndex; } TransferHooksLib.afterTokenTransfers( address(0), to, startTokenId, quantity ); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkContractOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) internal returns (bool) { try IERC721Receiver(to).onERC721Received( msg.sender, from, tokenId, _data ) returns (bytes4 retval) { return retval == IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert TransferToNonERC721ReceiverImplementer(); } else { assembly { revert(add(32, reason), mload(reason)) } } } } function _startTokenId() internal pure returns (uint256) { return 1; } function currentIndex() internal view returns (uint256) { return erc721AStorage()._currentIndex; } function totalMinted() internal view returns (uint256) { // Counter underflow is impossible as _currentIndex does not decrement, // and it is initialized to ERC721ALib._startTokenId() unchecked { return erc721AStorage()._currentIndex - _startTokenId(); } } function _exists(uint256 tokenId) internal view returns (bool) { return ERC721ALib._startTokenId() <= tokenId && tokenId < ERC721ALib.erc721AStorage()._currentIndex && !ERC721ALib.erc721AStorage()._ownerships[tokenId].burned; } /** * Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around in the collection over time. */ function _ownershipOf(uint256 tokenId) internal view returns (ERC721ALib.TokenOwnership memory) { uint256 curr = tokenId; ERC721ALib.ERC721AStorage storage s = ERC721ALib.erc721AStorage(); unchecked { if (ERC721ALib._startTokenId() <= curr && curr < s._currentIndex) { ERC721ALib.TokenOwnership memory ownership = s._ownerships[ curr ]; if (!ownership.burned) { if (ownership.addr != address(0)) { return ownership; } // Invariant: // There will always be an ownership that has an address and is not burned // before an ownership that does not have an address and is not burned. // Hence, curr will not underflow. while (true) { curr--; ownership = s._ownerships[curr]; if (ownership.addr != address(0)) { return ownership; } } } } } revert OwnerQueryForNonexistentToken(); } function balanceOf(address owner) internal view returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); return uint256(ERC721ALib.erc721AStorage()._addressData[owner].balance); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve( address to, uint256 tokenId, address owner ) internal { ERC721ALib.erc721AStorage()._tokenApprovals[tokenId] = to; emit Approval(owner, to, tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * * 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 { ERC721ALib.ERC721AStorage storage s = ERC721ALib.erc721AStorage(); ERC721ALib.TokenOwnership memory prevOwnership = ERC721ALib ._ownershipOf(tokenId); if (prevOwnership.addr != from) revert TransferFromIncorrectOwner(); bool isApprovedOrOwner = (msg.sender == from || _isApprovedForAll(from, msg.sender) || _getApproved(tokenId) == msg.sender); if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved(); if (to == address(0)) revert TransferToZeroAddress(); TransferHooksLib.beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner _approve(address(0), tokenId, from); // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256. unchecked { s._addressData[from].balance -= 1; s._addressData[to].balance += 1; ERC721ALib.TokenOwnership storage currSlot = s._ownerships[tokenId]; currSlot.addr = to; currSlot.startTimestamp = uint64(block.timestamp); // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it. // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls. uint256 nextTokenId = tokenId + 1; ERC721ALib.TokenOwnership storage nextSlot = s._ownerships[ nextTokenId ]; if (nextSlot.addr == address(0)) { // This will suffice for checking _exists(nextTokenId), // as a burned slot cannot contain the zero address. if (nextTokenId != s._currentIndex) { nextSlot.addr = from; nextSlot.startTimestamp = prevOwnership.startTimestamp; } } } emit Transfer(from, to, tokenId); TransferHooksLib.afterTokenTransfers(from, to, tokenId, 1); } /** * @dev This is equivalent to _burn(tokenId, true) */ function _burn(uint256 tokenId) internal { _burn(tokenId, true); } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return uint256( ERC721ALib.erc721AStorage()._addressData[owner].numberMinted ); } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return uint256( ERC721ALib.erc721AStorage()._addressData[owner].numberBurned ); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId, bool approvalCheck) internal { ERC721ALib.TokenOwnership memory prevOwnership = ERC721ALib ._ownershipOf(tokenId); ERC721ALib.ERC721AStorage storage s = ERC721ALib.erc721AStorage(); address from = prevOwnership.addr; if (approvalCheck) { bool isApprovedOrOwner = (msg.sender == from || _isApprovedForAll(from, msg.sender) || _getApproved(tokenId) == msg.sender); if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved(); } TransferHooksLib.beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner _approve(address(0), tokenId, from); // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256. unchecked { ERC721ALib.AddressData storage addressData = s._addressData[from]; addressData.balance -= 1; addressData.numberBurned += 1; // Keep track of who burned the token, and the timestamp of burning. ERC721ALib.TokenOwnership storage currSlot = s._ownerships[tokenId]; currSlot.addr = from; currSlot.startTimestamp = uint64(block.timestamp); currSlot.burned = true; // If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it. // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls. uint256 nextTokenId = tokenId + 1; ERC721ALib.TokenOwnership storage nextSlot = s._ownerships[ nextTokenId ]; if (nextSlot.addr == address(0)) { // This will suffice for checking _exists(nextTokenId), // as a burned slot cannot contain the zero address. if (nextTokenId != s._currentIndex) { nextSlot.addr = from; nextSlot.startTimestamp = prevOwnership.startTimestamp; } } } emit Transfer(from, address(0), tokenId); TransferHooksLib.afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times. unchecked { s._burnCounter++; } } function _isApprovedForAll(address owner, address operator) internal view returns (bool) { return ERC721ALib.erc721AStorage()._operatorApprovals[owner][operator]; } /** * @dev See {IERC721-getApproved}. */ function _getApproved(uint256 tokenId) internal view returns (address) { if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return ERC721ALib.erc721AStorage()._tokenApprovals[tokenId]; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {PausableLib} from "./PausableLib.sol"; abstract contract PausableModifiers { /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { PausableLib.enforceUnpaused(); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { PausableLib.enforcePaused(); _; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "./IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {DiamondCloneLib} from "../DiamondClone/DiamondCloneLib.sol"; import {DiamondSaw} from "../../DiamondSaw.sol"; library TransferHooksLib { struct TransferHooksStorage { bytes4 beforeTransfersHook; // selector of before transfer hook bytes4 afterTransfersHook; // selector of after transfer hook } function transferHooksStorage() internal pure returns (TransferHooksStorage storage s) { bytes32 position = keccak256("transfer.hooks.facet.storage"); assembly { s.slot := position } } function setBeforeTransfersHook(bytes4 _beforeTransfersHook) internal { address sawAddress = DiamondCloneLib .diamondCloneStorage() .diamondSawAddress; bool isApproved = DiamondSaw(sawAddress).isTransferHookSelectorApproved( _beforeTransfersHook ); require(isApproved, "selector not approved"); transferHooksStorage().beforeTransfersHook = _beforeTransfersHook; } function setAfterTransfersHook(bytes4 _afterTransfersHook) internal { address sawAddress = DiamondCloneLib .diamondCloneStorage() .diamondSawAddress; bool isApproved = DiamondSaw(sawAddress).isTransferHookSelectorApproved( _afterTransfersHook ); require(isApproved, "selector not approved"); transferHooksStorage().afterTransfersHook = _afterTransfersHook; } function maybeCallTransferHook( bytes4 selector, address from, address to, uint256 startTokenId, uint256 quantity ) internal { if (selector == bytes4(0)) { return; } (bool success, ) = address(this).call( abi.encodeWithSelector(selector, from, to, startTokenId, quantity) ); require(success, "Transfer hook failed"); } function beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal { bytes4 selector = transferHooksStorage().beforeTransfersHook; maybeCallTransferHook(selector, from, to, startTokenId, quantity); } function afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal { bytes4 selector = transferHooksStorage().afterTransfersHook; maybeCallTransferHook(selector, from, to, startTokenId, quantity); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 { /** * @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 be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns 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 pragma solidity ^0.8.0; import {DiamondSaw} from "../../DiamondSaw.sol"; import {IDiamondLoupe} from "./IDiamondLoupe.sol"; import {IDiamondCut} from "./IDiamondCut.sol"; library DiamondCloneLib { bytes32 constant DIAMOND_CLONE_STORAGE_POSITION = keccak256("diamond.standard.diamond.clone.storage"); bytes32 constant ERC721A_STORAGE_POSITION = keccak256("erc721a.facet.storage"); event DiamondCut( IDiamondCut.FacetCut[] _diamondCut, address _init, bytes _calldata ); struct DiamondCloneStorage { // address of the diamond saw contract address diamondSawAddress; // mapping to all the facets this diamond implements. mapping(address => bool) facetAddresses; // number of facets supported uint256 numFacets; // optional gas cache for highly trafficked write selectors mapping(bytes4 => address) selectorGasCache; // immutability window uint256 immutableUntilBlock; } // minimal copy of ERC721AStorage for initialization struct ERC721AStorage { // The tokenId of the next token to be minted. uint256 _currentIndex; } function diamondCloneStorage() internal pure returns (DiamondCloneStorage storage s) { bytes32 position = DIAMOND_CLONE_STORAGE_POSITION; assembly { s.slot := position } } // calls externally to the saw to find the appropriate facet to delegate to function _getFacetAddressForCall() internal view returns (address addr) { DiamondCloneStorage storage s = diamondCloneStorage(); addr = s.selectorGasCache[msg.sig]; if (addr != address(0)) { return addr; } (bool success, bytes memory res) = s.diamondSawAddress.staticcall( abi.encodeWithSelector(0x14bc7560, msg.sig) ); require(success, "Failed to fetch facet address for call"); assembly { addr := mload(add(res, 32)) } return s.facetAddresses[addr] ? addr : address(0); } function initNFT() internal { ERC721AStorage storage es; bytes32 position = ERC721A_STORAGE_POSITION; assembly { es.slot := position } es._currentIndex = 1; } function initializeDiamondClone( address diamondSawAddress, address[] calldata _facetAddresses ) internal { DiamondCloneLib.DiamondCloneStorage storage s = DiamondCloneLib .diamondCloneStorage(); require(diamondSawAddress != address(0), "Must set saw addy"); require(s.diamondSawAddress == address(0), "Already inited"); initNFT(); s.diamondSawAddress = diamondSawAddress; IDiamondCut.FacetCut[] memory cuts = new IDiamondCut.FacetCut[]( _facetAddresses.length ); // emit the diamond cut event for (uint256 i; i < _facetAddresses.length; i++) { address facetAddress = _facetAddresses[i]; bytes4[] memory selectors = DiamondSaw(diamondSawAddress) .functionSelectorsForFacetAddress(facetAddress); require(selectors.length > 0, "Facet is not supported by the saw"); cuts[i].facetAddress = _facetAddresses[i]; cuts[i].functionSelectors = selectors; s.facetAddresses[facetAddress] = true; } emit DiamondCut(cuts, address(0), ""); s.numFacets = _facetAddresses.length; } function _purgeGasCache(bytes4[] memory selectors) internal { DiamondCloneStorage storage s = diamondCloneStorage(); for (uint256 i; i < selectors.length; i++) { if (s.selectorGasCache[selectors[i]] != address(0)) { delete s.selectorGasCache[selectors[i]]; } } } function cutWithDiamondSaw( IDiamondCut.FacetCut[] memory _diamondCut, address _init, bytes calldata _calldata ) internal { DiamondCloneStorage storage s = diamondCloneStorage(); uint256 newNumFacets = s.numFacets; // emit the diamond cut event for (uint256 i; i < _diamondCut.length; i++) { IDiamondCut.FacetCut memory cut = _diamondCut[i]; bytes4[] memory selectors = DiamondSaw(s.diamondSawAddress) .functionSelectorsForFacetAddress(cut.facetAddress); require(selectors.length > 0, "Facet is not supported by the saw"); require( selectors.length == cut.functionSelectors.length, "You can only modify all selectors at once with diamond saw" ); // NOTE we override the passed selectors after validating the length matches // With diamond saw we can only add / remove all selectors for a given facet cut.functionSelectors = selectors; // if the address is already in the facet map // remove it and remove all the selectors // otherwise add the selectors if (s.facetAddresses[cut.facetAddress]) { require( cut.action == IDiamondCut.FacetCutAction.Remove, "Can only remove existing facet selectors" ); delete s.facetAddresses[cut.facetAddress]; _purgeGasCache(selectors); newNumFacets -= 1; } else { require( cut.action == IDiamondCut.FacetCutAction.Add, "Can only add non-existing facet selectors" ); s.facetAddresses[cut.facetAddress] = true; newNumFacets += 1; } } emit DiamondCut(_diamondCut, _init, _calldata); // call the init function (bool success, bytes memory error) = _init.delegatecall(_calldata); if (!success) { if (error.length > 0) { // bubble up the error revert(string(error)); } else { revert("DiamondCloneLib: _init function reverted"); } } s.numFacets = newNumFacets; } function upgradeDiamondSaw( address _upgradeSawAddress, address[] calldata _oldFacetAddresses, address[] calldata _newFacetAddresses, address _init, bytes calldata _calldata ) internal { require( !isImmutable(), "Cannot upgrade saw during immutability window" ); require( _upgradeSawAddress != address(0), "Cannot set saw to zero address" ); DiamondCloneStorage storage s = diamondCloneStorage(); require( _oldFacetAddresses.length == s.numFacets, "Must remove all facets to upgrade saw" ); DiamondSaw oldSawInstance = DiamondSaw(s.diamondSawAddress); require( oldSawInstance.isUpgradeSawSupported(_upgradeSawAddress), "Upgrade saw is not supported" ); DiamondSaw newSawInstance = DiamondSaw(_upgradeSawAddress); IDiamondCut.FacetCut[] memory cuts = new IDiamondCut.FacetCut[]( _oldFacetAddresses.length + _newFacetAddresses.length ); for ( uint256 i; i < _oldFacetAddresses.length + _newFacetAddresses.length; i++ ) { if (i < _oldFacetAddresses.length) { address facetAddress = _oldFacetAddresses[i]; require( s.facetAddresses[facetAddress], "Cannot remove facet that is not supported" ); bytes4[] memory selectors = oldSawInstance .functionSelectorsForFacetAddress(facetAddress); require( selectors.length > 0, "Facet is not supported by the saw" ); cuts[i].action = IDiamondCut.FacetCutAction.Remove; cuts[i].facetAddress = facetAddress; cuts[i].functionSelectors = selectors; _purgeGasCache(selectors); delete s.facetAddresses[facetAddress]; } else { address facetAddress = _newFacetAddresses[ i - _oldFacetAddresses.length ]; bytes4[] memory selectors = newSawInstance .functionSelectorsForFacetAddress(facetAddress); require( selectors.length > 0, "Facet is not supported by the new saw" ); cuts[i].action = IDiamondCut.FacetCutAction.Add; cuts[i].facetAddress = facetAddress; cuts[i].functionSelectors = selectors; s.facetAddresses[facetAddress] = true; } } emit DiamondCut(cuts, _init, _calldata); // actually update the diamond saw address s.numFacets = _newFacetAddresses.length; s.diamondSawAddress = _upgradeSawAddress; // call the init function (bool success, bytes memory error) = _init.delegatecall(_calldata); if (!success) { if (error.length > 0) { // bubble up the error revert(string(error)); } else { revert("DiamondCloneLib: _init function reverted"); } } } function setGasCacheForSelector(bytes4 selector) internal { DiamondCloneStorage storage s = diamondCloneStorage(); address facetAddress = DiamondSaw(s.diamondSawAddress) .facetAddressForSelector(selector); require(facetAddress != address(0), "Facet not supported"); require(s.facetAddresses[facetAddress], "Facet not included in clone"); s.selectorGasCache[selector] = facetAddress; } function setImmutableUntilBlock(uint256 blockNum) internal { diamondCloneStorage().immutableUntilBlock = blockNum; } function isImmutable() internal view returns (bool) { return block.number < diamondCloneStorage().immutableUntilBlock; } function immutableUntilBlock() internal view returns (uint256) { return diamondCloneStorage().immutableUntilBlock; } /** * LOUPE FUNCTIONALITY BELOW */ function facets() internal view returns (IDiamondLoupe.Facet[] memory facets_) { DiamondCloneLib.DiamondCloneStorage storage ds = DiamondCloneLib .diamondCloneStorage(); IDiamondLoupe.Facet[] memory allSawFacets = DiamondSaw( ds.diamondSawAddress ).allFacetsWithSelectors(); uint256 copyIndex = 0; facets_ = new IDiamondLoupe.Facet[](ds.numFacets); for (uint256 i; i < allSawFacets.length; i++) { if (ds.facetAddresses[allSawFacets[i].facetAddress]) { facets_[copyIndex] = allSawFacets[i]; copyIndex++; } } } function facetAddresses() internal view returns (address[] memory facetAddresses_) { DiamondCloneLib.DiamondCloneStorage storage ds = DiamondCloneLib .diamondCloneStorage(); address[] memory allSawFacetAddresses = DiamondSaw(ds.diamondSawAddress) .allFacetAddresses(); facetAddresses_ = new address[](ds.numFacets); uint256 copyIndex = 0; for (uint256 i; i < allSawFacetAddresses.length; i++) { if (ds.facetAddresses[allSawFacetAddresses[i]]) { facetAddresses_[copyIndex] = allSawFacetAddresses[i]; copyIndex++; } } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/access/Ownable.sol"; import {IDiamondCut} from "./facets/DiamondClone/IDiamondCut.sol"; import {IDiamondLoupe} from "./facets/DiamondClone/IDiamondLoupe.sol"; import {DiamondSawLib} from "./libraries/DiamondSawLib.sol"; import {BasicAccessControlFacet} from "./facets/AccessControl/BasicAccessControlFacet.sol"; import {AccessControlModifiers} from "./facets/AccessControl/AccessControlModifiers.sol"; import {AccessControlLib} from "./facets/AccessControl/AccessControlLib.sol"; import {PausableFacet} from "./facets/Pausable/PausableFacet.sol"; import {PausableModifiers} from "./facets/Pausable/PausableModifiers.sol"; /** * DiamondSaw is meant to be used as a * Singleton to "cut" many minimal diamond clones * In a gas efficient manner for deployments. * * This is accomplished by handling the storage intensive * selector mappings in one contract, "the saw" instead of in each diamond. * * Adding a new facet to the saw enables new diamond "patterns" * * This should be used if you * * 1. Need cheap deployments of many similar cloned diamonds that * utilize the same pre-deployed facets * * 2. Are okay with gas overhead on write txn to the diamonds * to communicate with the singleton (saw) to fetch selectors * */ contract DiamondSaw is BasicAccessControlFacet, AccessControlModifiers, PausableFacet, PausableModifiers { constructor() { AccessControlLib._transferOwnership(msg.sender); } function addFacetPattern( IDiamondCut.FacetCut[] calldata _facetAdds, address _init, bytes calldata _calldata ) external onlyOwner whenNotPaused { DiamondSawLib.diamondCutAddOnly(_facetAdds, _init, _calldata); } // if a facet has no selectors, it is not supported function checkFacetSupported(address _facetAddress) external view { DiamondSawLib.checkFacetSupported(_facetAddress); } function facetAddressForSelector(bytes4 selector) external view returns (address) { return DiamondSawLib .diamondSawStorage() .selectorToFacetAndPosition[selector] .facetAddress; } function functionSelectorsForFacetAddress(address facetAddress) external view returns (bytes4[] memory) { return DiamondSawLib .diamondSawStorage() .facetFunctionSelectors[facetAddress] .functionSelectors; } function allFacetAddresses() external view returns (address[] memory) { return DiamondSawLib.diamondSawStorage().facetAddresses; } function allFacetsWithSelectors() external view returns (IDiamondLoupe.Facet[] memory _facetsWithSelectors) { DiamondSawLib.DiamondSawStorage storage ds = DiamondSawLib .diamondSawStorage(); uint256 numFacets = ds.facetAddresses.length; _facetsWithSelectors = new IDiamondLoupe.Facet[](numFacets); for (uint256 i; i < numFacets; i++) { address facetAddress_ = ds.facetAddresses[i]; _facetsWithSelectors[i].facetAddress = facetAddress_; _facetsWithSelectors[i].functionSelectors = ds .facetFunctionSelectors[facetAddress_] .functionSelectors; } } function facetAddressForInterface(bytes4 _interface) external view returns (address) { DiamondSawLib.DiamondSawStorage storage ds = DiamondSawLib .diamondSawStorage(); return ds.interfaceToFacet[_interface]; } function setFacetForERC165Interface(bytes4 _interface, address _facet) external onlyOwner whenNotPaused { DiamondSawLib.checkFacetSupported(_facet); require( DiamondSawLib.diamondSawStorage().interfaceToFacet[_interface] == address(0), "Only one facet can implement an interface" ); DiamondSawLib.diamondSawStorage().interfaceToFacet[_interface] = _facet; } function approveTransferHookSelector(bytes4 selector) external onlyOwner whenNotPaused { DiamondSawLib.approveTransferHookSelector(selector); } function approveTokenURISelector(bytes4 selector) external onlyOwner whenNotPaused { DiamondSawLib.approveTokenURISelector(selector); } function isTokenURISelectorApproved(bytes4 selector) external view returns (bool) { return DiamondSawLib.diamondSawStorage().approvedTokenURIFunctionSelectors[ selector ]; } function isTransferHookSelectorApproved(bytes4 selector) external view returns (bool) { return DiamondSawLib .diamondSawStorage() .approvedTransferHookFunctionSelectors[selector]; } function setUpgradeSawAddress(address _upgradeSaw) external onlyOwner whenNotPaused { DiamondSawLib.setUpgradeSawAddress(_upgradeSaw); } function isUpgradeSawSupported(address _upgradeSaw) external view returns (bool) { return DiamondSawLib.diamondSawStorage().supportedSawAddresses[ _upgradeSaw ]; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /******************************************************************************\ * Author: Nick Mudge <[email protected]> (https://twitter.com/mudgen) * EIP-2535 Diamonds: https://eips.ethereum.org/EIPS/eip-2535 /******************************************************************************/ // A loupe is a small magnifying glass used to look at diamonds. // These functions look at diamonds interface IDiamondLoupe { /// These functions are expected to be called frequently /// by tools. struct Facet { address facetAddress; bytes4[] functionSelectors; } /// @notice Gets all facet addresses and their four byte function selectors. /// @return facets_ Facet function facets() external view returns (Facet[] memory facets_); /// @notice Gets all the function selectors supported by a specific facet. /// @param _facet The facet address. /// @return facetFunctionSelectors_ function facetFunctionSelectors(address _facet) external view returns (bytes4[] memory facetFunctionSelectors_); /// @notice Get all the facet addresses used by a diamond. /// @return facetAddresses_ function facetAddresses() external view returns (address[] memory facetAddresses_); /// @notice Gets the facet that supports the given selector. /// @dev If facet is not found return address(0). /// @param _functionSelector The function selector. /// @return facetAddress_ The facet address. function facetAddress(bytes4 _functionSelector) external view returns (address facetAddress_); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /******************************************************************************\ * Author: Nick Mudge <[email protected]> (https://twitter.com/mudgen) * EIP-2535 Diamonds: https://eips.ethereum.org/EIPS/eip-2535 /******************************************************************************/ interface IDiamondCut { enum FacetCutAction {Add, Replace, Remove} // Add=0, Replace=1, Remove=2 struct FacetCut { address facetAddress; FacetCutAction action; bytes4[] functionSelectors; } /// @notice Add/replace/remove any number of functions and optionally execute /// a function with delegatecall /// @param _diamondCut Contains the facet addresses and function selectors /// @param _init The address of the contract or facet to execute _calldata /// @param _calldata A function call, including function selector and arguments /// _calldata is executed with delegatecall on _init function diamondCut( FacetCut[] calldata _diamondCut, address _init, bytes calldata _calldata ) external; event DiamondCut(FacetCut[] _diamondCut, address _init, bytes _calldata); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; import "../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. * * By default, the owner account will be the one that deploys the contract. 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; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing 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 { require(newOwner != address(0), "Ownable: new owner is the zero address"); _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 pragma solidity ^0.8.0; import {IDiamondCut} from "../facets/DiamondClone/IDiamondCut.sol"; library DiamondSawLib { bytes32 constant DIAMOND_SAW_STORAGE_POSITION = keccak256("diamond.standard.diamond.saw.storage"); struct FacetAddressAndPosition { address facetAddress; uint96 functionSelectorPosition; // position in facetFunctionSelectors.functionSelectors array } struct FacetFunctionSelectors { bytes4[] functionSelectors; uint256 facetAddressPosition; // position of facetAddress in facetAddresses array } struct DiamondSawStorage { // maps function selector to the facet address and // the position of the selector in the facetFunctionSelectors.selectors array mapping(bytes4 => FacetAddressAndPosition) selectorToFacetAndPosition; // maps facet addresses to function selectors mapping(address => FacetFunctionSelectors) facetFunctionSelectors; // facet addresses address[] facetAddresses; // Used to query if a facet implements a given interface // Note: this works because no interface can be implemented by // two different facets with diamond saw because no // selector overlap is permitted!! mapping(bytes4 => address) interfaceToFacet; // for transfer hooks, selectors must be approved in the saw mapping(bytes4 => bool) approvedTransferHookFunctionSelectors; // for tokenURI overrides, selectors must be approved in the saw mapping(bytes4 => bool) approvedTokenURIFunctionSelectors; // Saw contracts which clients can upgrade to mapping(address => bool) supportedSawAddresses; } function diamondSawStorage() internal pure returns (DiamondSawStorage storage ds) { bytes32 position = DIAMOND_SAW_STORAGE_POSITION; assembly { ds.slot := position } } event DiamondCut( IDiamondCut.FacetCut[] _diamondCut, address _init, bytes _calldata ); // Internal function version of diamondCut // only supports adding new selectors function diamondCutAddOnly( IDiamondCut.FacetCut[] memory _diamondCut, address _init, bytes memory _calldata ) internal { for ( uint256 facetIndex; facetIndex < _diamondCut.length; facetIndex++ ) { require( _diamondCut[facetIndex].action == IDiamondCut.FacetCutAction.Add, "Only add action supported in saw" ); require( !isFacetSupported(_diamondCut[facetIndex].facetAddress), "Facet already exists in saw" ); addFunctions( _diamondCut[facetIndex].facetAddress, _diamondCut[facetIndex].functionSelectors ); } emit DiamondCut(_diamondCut, _init, _calldata); initializeDiamondCut(_init, _calldata); } function addFunctions( address _facetAddress, bytes4[] memory _functionSelectors ) internal { require( _functionSelectors.length > 0, "LibDiamondCut: No selectors in facet to cut" ); DiamondSawStorage storage ds = diamondSawStorage(); require( _facetAddress != address(0), "LibDiamondCut: Add facet can't be address(0)" ); uint96 selectorPosition = uint96( ds.facetFunctionSelectors[_facetAddress].functionSelectors.length ); // add new facet address if it does not exist if (selectorPosition == 0) { addFacet(ds, _facetAddress); } for ( uint256 selectorIndex; selectorIndex < _functionSelectors.length; selectorIndex++ ) { bytes4 selector = _functionSelectors[selectorIndex]; address oldFacetAddress = ds .selectorToFacetAndPosition[selector] .facetAddress; require( oldFacetAddress == address(0), "Cannot add function that already exists" ); addFunction(ds, selector, selectorPosition, _facetAddress); selectorPosition++; } } function addFacet(DiamondSawStorage storage ds, address _facetAddress) internal { enforceHasContractCode( _facetAddress, "LibDiamondCut: New facet has no code" ); ds.facetFunctionSelectors[_facetAddress].facetAddressPosition = ds .facetAddresses .length; ds.facetAddresses.push(_facetAddress); } function addFunction( DiamondSawStorage storage ds, bytes4 _selector, uint96 _selectorPosition, address _facetAddress ) internal { ds .selectorToFacetAndPosition[_selector] .functionSelectorPosition = _selectorPosition; ds.facetFunctionSelectors[_facetAddress].functionSelectors.push( _selector ); ds.selectorToFacetAndPosition[_selector].facetAddress = _facetAddress; } function initializeDiamondCut(address _init, bytes memory _calldata) internal { if (_init == address(0)) { require( _calldata.length == 0, "LibDiamondCut: _init is address(0) but_calldata is not empty" ); } else { require( _calldata.length > 0, "LibDiamondCut: _calldata is empty but _init is not address(0)" ); if (_init != address(this)) { enforceHasContractCode( _init, "LibDiamondCut: _init address has no code" ); } (bool success, bytes memory error) = _init.delegatecall(_calldata); if (!success) { if (error.length > 0) { // bubble up the error revert(string(error)); } else { revert("LibDiamondCut: _init function reverted"); } } } } function enforceHasContractCode( address _contract, string memory _errorMessage ) internal view { uint256 contractSize; assembly { contractSize := extcodesize(_contract) } require(contractSize > 0, _errorMessage); } function setFacetSupportsInterface(bytes4 _interface, address _facetAddress) internal { checkFacetSupported(_facetAddress); DiamondSawStorage storage ds = diamondSawStorage(); ds.interfaceToFacet[_interface] = _facetAddress; } function isFacetSupported(address _facetAddress) internal view returns (bool) { return diamondSawStorage() .facetFunctionSelectors[_facetAddress] .functionSelectors .length > 0; } function checkFacetSupported(address _facetAddress) internal view { require(isFacetSupported(_facetAddress), "Facet not supported"); } function approveTransferHookSelector(bytes4 transferHookSelector) internal { DiamondSawStorage storage s = diamondSawStorage(); address facetImplementation = s .selectorToFacetAndPosition[transferHookSelector] .facetAddress; require( facetImplementation != address(0), "Cannot set transfer hook to unsupported selector" ); s.approvedTransferHookFunctionSelectors[transferHookSelector] = true; } function approveTokenURISelector(bytes4 tokenURISelector) internal { DiamondSawStorage storage s = diamondSawStorage(); address facetImplementation = s .selectorToFacetAndPosition[tokenURISelector] .facetAddress; require( facetImplementation != address(0), "Cannot set token uri override to unsupported selector" ); s.approvedTokenURIFunctionSelectors[tokenURISelector] = true; } function setUpgradeSawAddress(address _upgradeSaw) internal { diamondSawStorage().supportedSawAddresses[_upgradeSaw] = true; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (access/AccessControl.sol) pragma solidity ^0.8.0; import "@openzeppelin/contracts/access/IAccessControl.sol"; import "@openzeppelin/contracts/utils/Context.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; import "./AccessControlLib.sol"; import {PausableLib} from "../Pausable/PausableLib.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. * * By default, the owner account will be the one that deploys the contract. 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 BasicAccessControlFacet is Context { /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return AccessControlLib.accessControlStorage()._owner; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual { PausableLib.enforceUnpaused(); AccessControlLib._enforceOwner(); AccessControlLib._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 { PausableLib.enforceUnpaused(); AccessControlLib._enforceOwner(); require( newOwner != address(0), "Ownable: new owner is the zero address" ); AccessControlLib._transferOwnership(newOwner); } function grantOperator(address _operator) public virtual { PausableLib.enforceUnpaused(); AccessControlLib._enforceOwner(); AccessControlLib.grantRole(AccessControlLib.OPERATOR_ROLE, _operator); } function revokeOperator(address _operator) public virtual { PausableLib.enforceUnpaused(); AccessControlLib._enforceOwner(); AccessControlLib.revokeRole(AccessControlLib.OPERATOR_ROLE, _operator); } }
// SPDX-License-Identifier: MIT import "@openzeppelin/contracts/utils/Strings.sol"; import {IAccessControl} from "@openzeppelin/contracts/access/IAccessControl.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; pragma solidity ^0.8.0; library AccessControlLib { bytes32 constant DEFAULT_ADMIN_ROLE = 0x00; bytes32 constant OPERATOR_ROLE = keccak256("operator.role"); /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged( bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole ); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted( bytes32 indexed role, address indexed account, address indexed sender ); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked( bytes32 indexed role, address indexed account, address indexed sender ); event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); struct RoleData { mapping(address => bool) members; bytes32 adminRole; } struct AccessControlStorage { address _owner; mapping(bytes32 => RoleData) _roles; } bytes32 constant ACCESS_CONTROL_STORAGE_POSITION = keccak256("Access.Control.library.storage"); function accessControlStorage() internal pure returns (AccessControlStorage storage s) { bytes32 position = ACCESS_CONTROL_STORAGE_POSITION; assembly { s.slot := position } } function _isOwner() internal view returns (bool) { return accessControlStorage()._owner == msg.sender; } function owner() internal view returns (address) { return accessControlStorage()._owner; } function _enforceOwner() internal view { require(_isOwner(), "Caller is not the owner"); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal { address oldOwner = accessControlStorage()._owner; accessControlStorage()._owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } /** * @dev Modifier that checks that an account has a specific role. Reverts * with a standardized message including the required role. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role, msg.sender); _; } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) internal view returns (bool) { return accessControlStorage()._roles[role].members[account]; } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * NOTE: Modified to always pass if the account is the owner * and to always fail if ownership is revoked! */ function _checkRole(bytes32 role, address account) internal view { address ownerAddress = accessControlStorage()._owner; require(ownerAddress != address(0), "Admin functionality revoked"); if (!hasRole(role, account) && account != ownerAddress) { revert( string( abi.encodePacked( "AccessControl: account ", Strings.toHexString(uint160(account), 20), " is missing role ", Strings.toHexString(uint256(role), 32) ) ) ); } } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) internal view returns (bytes32) { return accessControlStorage()._roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) internal onlyRole(getRoleAdmin(role)) { _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) internal onlyRole(getRoleAdmin(role)) { _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been revoked `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) internal { require( account == msg.sender, "AccessControl: can only renounce roles for self" ); _revokeRole(role, account); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal { bytes32 previousAdminRole = getRoleAdmin(role); accessControlStorage()._roles[role].adminRole = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /** * @dev Grants `role` to `account`. * * Internal function without access restriction. */ function _grantRole(bytes32 role, address account) internal { if (!hasRole(role, account)) { accessControlStorage()._roles[role].members[account] = true; emit RoleGranted(role, account, msg.sender); } } /** * @dev Revokes `role` from `account`. * * Internal function without access restriction. */ function _revokeRole(bytes32 role, address account) internal { if (hasRole(role, account)) { accessControlStorage()._roles[role].members[account] = false; emit RoleRevoked(role, account, msg.sender); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/Pausable.sol) pragma solidity ^0.8.0; import {AccessControlModifiers} from "../AccessControl/AccessControlModifiers.sol"; import {PausableLib} from "./PausableLib.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract PausableFacet is AccessControlModifiers { function pause() public onlyOwner { PausableLib._pause(); } function unpause() public onlyOwner { PausableLib._unpause(); } function paused() public view returns (bool) { return PausableLib._paused(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/Pausable.sol) pragma solidity ^0.8.0; error ContractPaused(); error ContractUnpaused(); library PausableLib { bytes32 constant PAUSABLE_STORAGE_POSITION = keccak256("pausable.facet.storage"); /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); struct PausableStorage { bool _paused; } function pausableStorage() internal pure returns (PausableStorage storage s) { bytes32 position = PAUSABLE_STORAGE_POSITION; assembly { s.slot := position } } /** * @dev Returns true if the contract is paused, and false otherwise. */ function _paused() internal view returns (bool) { return pausableStorage()._paused; } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal { PausableStorage storage s = pausableStorage(); if (s._paused) revert ContractPaused(); s._paused = true; emit Paused(msg.sender); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal { PausableStorage storage s = pausableStorage(); if (!s._paused) revert ContractUnpaused(); s._paused = false; emit Unpaused(msg.sender); } function enforceUnpaused() internal view { if (pausableStorage()._paused) revert ContractPaused(); } function enforcePaused() internal view { if (!pausableStorage()._paused) revert ContractUnpaused(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (finance/PaymentSplitter.sol) pragma solidity ^0.8.0; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "@openzeppelin/contracts/utils/Address.sol"; /** * @title PaymentSplitter * @dev This library allows to split Ether payments among a group of accounts. The sender does not need to be aware * that the Ether will be split in this way, since it is handled transparently by the contract. * * The split can be in equal parts or in any other arbitrary proportion. The way this is specified is by assigning each * account to a number of shares. Of all the Ether that this contract receives, each account will then be able to claim * an amount proportional to the percentage of total shares they were assigned. * * `PaymentSplitter` follows a _pull payment_ model. This means that payments are not automatically forwarded to the * accounts but kept in this contract, and the actual transfer is triggered as a separate step by calling the {release} * function. * * NOTE: This contract assumes that ERC20 tokens will behave similarly to native tokens (Ether). Rebasing tokens, and * tokens that apply fees during transfers, are likely to not be supported as expected. If in doubt, we encourage you * to run tests before sending real value to this contract. */ library PaymentSplitterLib { bytes32 constant PAYMENT_SPLITTER_STORAGE_POSITION = keccak256("payment.splitter.facet.storage"); event PayeeAdded(address account, uint256 shares); event PaymentReleased(address to, uint256 amount); event ERC20PaymentReleased( IERC20 indexed token, address to, uint256 amount ); event PaymentReceived(address from, uint256 amount); struct PaymentSplitterStorage { uint256 _totalShares; uint256 _totalReleased; mapping(address => uint256) _shares; mapping(address => uint256) _released; address[] _payees; mapping(IERC20 => uint256) _erc20TotalReleased; mapping(IERC20 => mapping(address => uint256)) _erc20Released; } function paymentSplitterStorage() internal pure returns (PaymentSplitterStorage storage s) { bytes32 position = PAYMENT_SPLITTER_STORAGE_POSITION; assembly { s.slot := position } } /** * @dev Creates an instance of `PaymentSplitter` where each account in `payees` is assigned the number of shares at * the matching position in the `shares` array. * * All addresses in `payees` must be non-zero. Both arrays must have the same non-zero length, and there must be no * duplicates in `payees`. */ function setPaymentSplits(address[] memory payees, uint256[] memory shares_) internal { require( payees.length == shares_.length, "PaymentSplitter: payees and shares length mismatch" ); require(payees.length > 0, "PaymentSplitter: no payees"); for (uint256 i = 0; i < payees.length; i++) { _addPayee(payees[i], shares_[i]); } } function getPaymentSplits() internal view returns (address[] memory, uint256[] memory) { PaymentSplitterStorage storage s = paymentSplitterStorage(); uint256[] memory allShares = new uint256[](s._payees.length); for (uint256 i; i < s._payees.length; i++) { allShares[i] = s._shares[s._payees[i]]; } return (s._payees, allShares); } /** * @dev The Ether received will be logged with {PaymentReceived} events. Note that these events are not fully * reliable: it's possible for a contract to receive Ether without triggering this function. This only affects the * reliability of the events, and not the actual splitting of Ether. * * To learn more about this see the Solidity documentation for * https://solidity.readthedocs.io/en/latest/contracts.html#fallback-function[fallback * functions]. */ function receivePayment() internal { emit PaymentReceived(msg.sender, msg.value); } /** * @dev Getter for the total shares held by payees. */ function totalShares() internal view returns (uint256) { return paymentSplitterStorage()._totalShares; } /** * @dev Getter for the total amount of Ether already released. */ function totalReleased() internal view returns (uint256) { return paymentSplitterStorage()._totalReleased; } /** * @dev Getter for the total amount of `token` already released. `token` should be the address of an IERC20 * contract. */ function totalReleased(IERC20 token) internal view returns (uint256) { return paymentSplitterStorage()._erc20TotalReleased[token]; } /** * @dev Getter for the amount of shares held by an account. */ function shares(address account) internal view returns (uint256) { return paymentSplitterStorage()._shares[account]; } /** * @dev Getter for the amount of Ether already released to a payee. */ function released(address account) internal view returns (uint256) { return paymentSplitterStorage()._released[account]; } /** * @dev Getter for the amount of `token` tokens already released to a payee. `token` should be the address of an * IERC20 contract. */ function released(IERC20 token, address account) internal view returns (uint256) { return paymentSplitterStorage()._erc20Released[token][account]; } /** * @dev Getter for the address of the payee number `index`. */ function payee(uint256 index) internal view returns (address) { return paymentSplitterStorage()._payees[index]; } /** * @dev Triggers a transfer to `account` of the amount of Ether they are owed, according to their percentage of the * total shares and their previous withdrawals. */ function release(address payable account) internal { PaymentSplitterStorage storage s = paymentSplitterStorage(); require( s._shares[account] > 0, "PaymentSplitter: account has no shares" ); uint256 totalReceived = address(this).balance + totalReleased(); uint256 payment = _pendingPayment( account, totalReceived, released(account) ); require(payment != 0, "PaymentSplitter: account is not due payment"); s._released[account] += payment; s._totalReleased += payment; Address.sendValue(account, payment); emit PaymentReleased(account, payment); } /** * @dev Triggers a transfer to `account` of the amount of `token` tokens they are owed, according to their * percentage of the total shares and their previous withdrawals. `token` must be the address of an IERC20 * contract. */ function release(IERC20 token, address account) internal { PaymentSplitterStorage storage s = paymentSplitterStorage(); require( s._shares[account] > 0, "PaymentSplitter: account has no shares" ); uint256 totalReceived = token.balanceOf(address(this)) + totalReleased(token); uint256 payment = _pendingPayment( account, totalReceived, released(token, account) ); require(payment != 0, "PaymentSplitter: account is not due payment"); s._erc20Released[token][account] += payment; s._erc20TotalReleased[token] += payment; SafeERC20.safeTransfer(token, account, payment); emit ERC20PaymentReleased(token, account, payment); } /** * @dev internal logic for computing the pending payment of an `account` given the token historical balances and * already released amounts. */ function _pendingPayment( address account, uint256 totalReceived, uint256 alreadyReleased ) internal view returns (uint256) { PaymentSplitterStorage storage s = paymentSplitterStorage(); return (totalReceived * s._shares[account]) / s._totalShares - alreadyReleased; } /** * @dev Add a new payee to the contract. * @param account The address of the payee to add. * @param shares_ The number of shares owned by the payee. */ function _addPayee(address account, uint256 shares_) internal { require( account != address(0), "PaymentSplitter: account is the zero address" ); require(shares_ > 0, "PaymentSplitter: shares are 0"); PaymentSplitterStorage storage s = paymentSplitterStorage(); require( s._shares[account] == 0, "PaymentSplitter: account already has shares" ); s._payees.push(account); s._shares[account] = shares_; s._totalShares = s._totalShares + shares_; emit PayeeAdded(account, shares_); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.0; import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol"; /** * Author: Zac Denham * * This is a modification of Open Zeppelin's Initializable Util * that works with diamond storage, you must pass a unique string to the * modifier to avoid storage conflicts across contracts * * Usage: function yourInitializer() public initializer("super.unique.string") {} * * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() initializer {} * ``` * ==== */ abstract contract DiamondInitializable { struct DiamondInitializableStorage { bool _initialized; bool _initializing; } /** * @dev Warning, you must pass a unique storage string * for each facet that inherits diamondInitializeable * or you may risk storage conflicts */ function getDiamondInitializableStorage(string memory uniqueStorageString) internal pure returns (DiamondInitializableStorage storage s) { bytes32 position = keccak256(abi.encodePacked("diamond.initializable.", uniqueStorageString)); assembly { s.slot := position } } /** * @dev Modifier to protect an initializer function from being invoked twice. */ modifier initializer(string memory uniqueStorageString) { DiamondInitializableStorage storage s = getDiamondInitializableStorage(uniqueStorageString); // If the contract is initializing we ignore whether _initialized is set in order to support multiple // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the // contract may have been reentered. require(s._initializing ? _isConstructor() : !s._initialized, "Initializable: contract is already initialized"); bool isTopLevelCall = !s._initializing; if (isTopLevelCall) { s._initializing = true; s._initialized = true; } _; if (isTopLevelCall) { s._initializing = false; } } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} modifier, directly or indirectly. */ modifier onlyInitializing(string memory uniqueStorageString) { require(getDiamondInitializableStorage(uniqueStorageString)._initializing, "Initializable: contract is not initializing"); _; } function _isConstructor() private view returns (bool) { return !AddressUpgradeable.isContract(address(this)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; /** * @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. * * _Available since v4.5._ */ interface IERC2981 { /** * @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); }
{ "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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,"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenOwner","type":"address"}],"name":"numberMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"removeTokenURIOverrideSelector","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"saleState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint96","name":"feeNumerator","type":"uint96"}],"name":"setDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_baseURI","type":"string"}],"name":"setFolderStorageBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxMintable","type":"uint256"}],"name":"setMaxMintable","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_saleState","type":"uint256"}],"name":"setSaleState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint96","name":"_defaultRoyalty","type":"uint96"}],"name":"setTokenMeta","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_baseURI","type":"string"}],"name":"setTokenStorageBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"string","name":"_tokenURI","type":"string"}],"name":"setTokenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"selector","type":"bytes4"}],"name":"setTokenURIOverrideSelector","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startTokenId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenStorageBaseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenURIOverrideSelector","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Multichain Portfolio | 30 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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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.