Feature Tip: Add private address tag to any address under My Name Tag !
ERC-721
NFT
Overview
Max Total Supply
8,888 MOCA
Holders
1,899
Market
Volume (24H)
1.26 ETH
Min Price (24H)
$3,361.99 @ 1.260000 ETH
Max Price (24H)
$3,361.99 @ 1.260000 ETH
Other Info
Token Contract
Balance
0 MOCALoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Minimal Proxy Contract for 0x4a8ac7f22ded2cf923a51e4a1c67490bd8868add
Contract Name:
TieredDrop
Compiler Version
v0.8.12+commit.f00d7308
Optimization Enabled:
Yes with 100 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb // $$\ $$\ $$\ $$\ $$\ // $$ | $$ | \__| $$ | $$ | // $$$$$$\ $$$$$$$\ $$\ $$$$$$\ $$$$$$$ |$$\ $$\ $$\ $$$$$$\ $$$$$$$\ // \_$$ _| $$ __$$\ $$ |$$ __$$\ $$ __$$ |$$ | $$ | $$ |$$ __$$\ $$ __$$\ // $$ | $$ | $$ |$$ |$$ | \__|$$ / $$ |$$ | $$ | $$ |$$$$$$$$ |$$ | $$ | // $$ |$$\ $$ | $$ |$$ |$$ | $$ | $$ |$$ | $$ | $$ |$$ ____|$$ | $$ | // \$$$$ |$$ | $$ |$$ |$$ | \$$$$$$$ |\$$$$$\$$$$ |\$$$$$$$\ $$$$$$$ | // \____/ \__| \__|\__|\__| \_______| \_____\____/ \_______|\_______/ import "lib/dynamic-contracts/src/presets/BaseRouter.sol"; import "../extension/Multicall.sol"; import "../dynamic-contracts/extension/Initializable.sol"; import "../dynamic-contracts/extension/Permissions.sol"; import "../dynamic-contracts/extension/ERC2771ContextUpgradeable.sol"; import "../dynamic-contracts/init/ContractMetadataInit.sol"; import "../dynamic-contracts/init/ERC721AInit.sol"; import "../dynamic-contracts/init/OwnableInit.sol"; import "../dynamic-contracts/init/PermissionsEnumerableInit.sol"; import "../dynamic-contracts/init/PrimarySaleInit.sol"; import "../dynamic-contracts/init/RoyaltyInit.sol"; import "../dynamic-contracts/init/SignatureActionInit.sol"; import "../dynamic-contracts/init/DefaultOperatorFiltererInit.sol"; /** * Defualt extensions to add: * - TieredDropLogic * - PermissionsEnumerable */ contract TieredDrop is Initializable, Multicall, ERC2771ContextUpgradeable, BaseRouter, DefaultOperatorFiltererInit, PrimarySaleInit, ContractMetadataInit, ERC721AInit, OwnableInit, PermissionsEnumerableInit, RoyaltyInit, SignatureActionInit { /*/////////////////////////////////////////////////////////////// Constructor and Initializer logic //////////////////////////////////////////////////////////////*/ constructor(Extension[] memory _extensions) BaseRouter(_extensions) {} /// @dev Initiliazes the contract, like a constructor. function initialize( address _defaultAdmin, string memory _name, string memory _symbol, string memory _contractURI, address[] memory _trustedForwarders, address _saleRecipient, address _royaltyRecipient, uint16 _royaltyBps ) external initializer { // Initialize inherited contracts, most base-like -> most derived. __ERC2771Context_init(_trustedForwarders); __ERC721A_init(_name, _symbol); __SignatureAction_init(); _setupContractURI(_contractURI); _setupOwner(_defaultAdmin); _setupRoles(_defaultAdmin); _setupDefaultRoyaltyInfo(_royaltyRecipient, _royaltyBps); _setupPrimarySaleRecipient(_saleRecipient); _setupOperatorFilterer(); } function _setupRoles(address _defaultAdmin) internal onlyInitializing { bytes32 _operatorRole = keccak256("OPERATOR_ROLE"); bytes32 _transferRole = keccak256("TRANSFER_ROLE"); bytes32 _minterRole = keccak256("MINTER_ROLE"); bytes32 _defaultAdminRole = 0x00; _setupRole(_defaultAdminRole, _defaultAdmin); _setupRole(_minterRole, _defaultAdmin); _setupRole(_transferRole, _defaultAdmin); _setupRole(_transferRole, address(0)); _setupRole(_operatorRole, _defaultAdmin); _setupRole(_operatorRole, address(0)); } /*/////////////////////////////////////////////////////////////// Internal functions //////////////////////////////////////////////////////////////*/ /// @dev Returns whether a plugin can be set in the given execution context. function _canSetExtension() internal view virtual override returns (bool) { bytes32 defaultAdminRole = 0x00; return _hasRole(defaultAdminRole, _msgSender()); } /// @dev Checks whether an account holds the given role. function _hasRole(bytes32 role, address addr) internal view returns (bool) { PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage(); return data._hasRole[role][addr]; } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v3.3.0 // Creator: Chiru Labs pragma solidity ^0.8.4; ////////// CHANGELOG: turn `approve` to virtual ////////// import "../../eip/interface/IERC721A.sol"; import "../../eip/interface/IERC721Receiver.sol"; import "../../lib/TWAddress.sol"; import "../../openzeppelin-presets/utils/Context.sol"; import "../../lib/TWStrings.sol"; import "../../eip/ERC165.sol"; import "../extension/Initializable.sol"; library ERC721AStorage { bytes32 public constant ERC721A_STORAGE_POSITION = keccak256("erc721.a.storage"); struct Data { // 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 => IERC721A.TokenOwnership) _ownerships; // Mapping owner address to address data mapping(address => IERC721A.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 (Data storage erc721AData) { bytes32 position = ERC721A_STORAGE_POSITION; assembly { erc721AData.slot := position } } } /** * @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 _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). */ contract ERC721AUpgradeable is Initializable, Context, ERC165, IERC721A { using TWAddress for address; using TWStrings for uint256; function __ERC721A_init(string memory name_, string memory symbol_) internal onlyInitializing { __ERC721A_init_unchained(name_, symbol_); } function __ERC721A_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); data._name = name_; data._symbol = symbol_; data._currentIndex = _startTokenId(); } /** * To change the starting tokenId, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens. */ function totalSupply() public view override returns (uint256) { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); // Counter underflow is impossible as _burnCounter cannot be incremented // more than _currentIndex - _startTokenId() times unchecked { return data._currentIndex - data._burnCounter - _startTokenId(); } } /** * Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view returns (uint256) { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); // Counter underflow is impossible as _currentIndex does not decrement, // and it is initialized to _startTokenId() unchecked { return data._currentIndex - _startTokenId(); } } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view override returns (uint256) { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); if (owner == address(0)) revert BalanceQueryForZeroAddress(); return uint256(data._addressData[owner].balance); } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); return uint256(data._addressData[owner].numberMinted); } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); return uint256(data._addressData[owner].numberBurned); } /** * Returns the auxillary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); return data._addressData[owner].aux; } /** * Sets the auxillary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); data._addressData[owner].aux = aux; } /** * 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 (TokenOwnership memory) { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr) if (curr < data._currentIndex) { TokenOwnership memory ownership = data._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 = data._ownerships[curr]; if (ownership.addr != address(0)) { return ownership; } } } } } revert OwnerQueryForNonexistentToken(); } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view override returns (address) { return _ownershipOf(tokenId).addr; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); return data._name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); return data._symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721AUpgradeable.ownerOf(tokenId); if (to == owner) revert ApprovalToCurrentOwner(); if (_msgSender() != owner) if (!isApprovedForAll(owner, _msgSender())) { revert ApprovalCallerNotOwnerNorApproved(); } _approve(to, tokenId, owner); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return data._tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); if (operator == _msgSender()) revert ApproveToCaller(); data._operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); return data._operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { _transfer(from, to, tokenId); if (to.isContract()) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), */ function _exists(uint256 tokenId) internal view returns (bool) { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); return _startTokenId() <= tokenId && tokenId < data._currentIndex && !data._ownerships[tokenId].burned; } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ 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 { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); uint256 startTokenId = data._currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); _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 { data._addressData[to].balance += uint64(quantity); data._addressData[to].numberMinted += uint64(quantity); data._ownerships[startTokenId].addr = to; data._ownerships[startTokenId].startTimestamp = uint64(block.timestamp); uint256 updatedIndex = startTokenId; uint256 end = updatedIndex + quantity; if (to.isContract()) { do { emit Transfer(address(0), to, updatedIndex); if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (updatedIndex < end); // Reentrancy protection if (data._currentIndex != startTokenId) revert(); } else { do { emit Transfer(address(0), to, updatedIndex++); } while (updatedIndex < end); } data._currentIndex = updatedIndex; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @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) internal { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); uint256 startTokenId = data._currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); _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 { data._addressData[to].balance += uint64(quantity); data._addressData[to].numberMinted += uint64(quantity); data._ownerships[startTokenId].addr = to; data._ownerships[startTokenId].startTimestamp = uint64(block.timestamp); uint256 updatedIndex = startTokenId; uint256 end = updatedIndex + quantity; do { emit Transfer(address(0), to, updatedIndex++); } while (updatedIndex < end); data._currentIndex = updatedIndex; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @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 ) private { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); TokenOwnership memory prevOwnership = _ownershipOf(tokenId); if (prevOwnership.addr != from) revert TransferFromIncorrectOwner(); bool isApprovedOrOwner = (_msgSender() == from || isApprovedForAll(from, _msgSender()) || getApproved(tokenId) == _msgSender()); if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved(); if (to == address(0)) revert TransferToZeroAddress(); _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 { data._addressData[from].balance -= 1; data._addressData[to].balance += 1; TokenOwnership storage currSlot = data._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; TokenOwnership storage nextSlot = data._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 != data._currentIndex) { nextSlot.addr = from; nextSlot.startTimestamp = prevOwnership.startTimestamp; } } } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Equivalent to `_burn(tokenId, false)`. */ function _burn(uint256 tokenId) internal virtual { _burn(tokenId, false); } /** * @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 virtual { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); TokenOwnership memory prevOwnership = _ownershipOf(tokenId); address from = prevOwnership.addr; if (approvalCheck) { bool isApprovedOrOwner = (_msgSender() == from || isApprovedForAll(from, _msgSender()) || getApproved(tokenId) == _msgSender()); if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved(); } _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 { AddressData storage addressData = data._addressData[from]; addressData.balance -= 1; addressData.numberBurned += 1; // Keep track of who burned the token, and the timestamp of burning. TokenOwnership storage currSlot = data._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; TokenOwnership storage nextSlot = data._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 != data._currentIndex) { nextSlot.addr = from; nextSlot.startTimestamp = prevOwnership.startTimestamp; } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times. unchecked { data._burnCounter++; } } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve( address to, uint256 tokenId, address owner ) private { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); data._tokenApprovals[tokenId] = to; emit Approval(owner, to, tokenId); } /** * @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 ) private returns (bool) { try IERC721Receiver(to).onERC721Received(_msgSender(), 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)) } } } } /** * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting. * And also called before burning one token. * * startTokenId - the first token id to be transferred * quantity - the amount to be transferred * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes * minting. * And also called after one token has been burned. * * startTokenId - the first token id to be transferred * quantity - the amount to be transferred * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been * transferred to `to`. * - When `from` is zero, `tokenId` has been minted for `to`. * - When `to` is zero, `tokenId` has been burned by `from`. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb import "../../extension/interface/IContractMetadata.sol"; /** * @author thirdweb.com * * @title Contract Metadata * @notice Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI * for you contract. * Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea. */ library ContractMetadataStorage { bytes32 public constant CONTRACT_METADATA_STORAGE_POSITION = keccak256("contract.metadata.storage"); struct Data { /// @notice Returns the contract metadata URI. string contractURI; } function contractMetadataStorage() internal pure returns (Data storage contractMetadataData) { bytes32 position = CONTRACT_METADATA_STORAGE_POSITION; assembly { contractMetadataData.slot := position } } } abstract contract ContractMetadata is IContractMetadata { /** * @notice Lets a contract admin set the URI for contract-level metadata. * @dev Caller should be authorized to setup contractURI, e.g. contract admin. * See {_canSetContractURI}. * Emits {ContractURIUpdated Event}. * * @param _uri keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") */ function setContractURI(string memory _uri) external override { if (!_canSetContractURI()) { revert("Not authorized"); } _setupContractURI(_uri); } /// @dev Lets a contract admin set the URI for contract-level metadata. function _setupContractURI(string memory _uri) internal { ContractMetadataStorage.Data storage data = ContractMetadataStorage.contractMetadataStorage(); string memory prevURI = data.contractURI; data.contractURI = _uri; emit ContractURIUpdated(prevURI, _uri); } /// @notice Returns the contract metadata URI. function contractURI() public view virtual override returns (string memory) { ContractMetadataStorage.Data storage data = ContractMetadataStorage.contractMetadataStorage(); return data.contractURI; } /// @dev Returns whether contract metadata can be set in the given execution context. function _canSetContractURI() internal view virtual returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/cryptography/draft-EIP712.sol) pragma solidity ^0.8.0; import "../../openzeppelin-presets/utils/cryptography/ECDSA.sol"; import "./Initializable.sol"; library EIP712Storage { bytes32 public constant EIP712_STORAGE_POSITION = keccak256("eip712.storage"); struct Data { /* solhint-disable var-name-mixedcase */ bytes32 _HASHED_NAME; bytes32 _HASHED_VERSION; /* solhint-enable var-name-mixedcase */ } function eip712Storage() internal pure returns (Data storage eip712Data) { bytes32 position = EIP712_STORAGE_POSITION; assembly { eip712Data.slot := position } } } /** * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data. * * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible, * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding * they need in their contracts using a combination of `abi.encode` and `keccak256`. * * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA * ({_hashTypedDataV4}). * * The implementation of the domain separator was designed to be as efficient as possible while still properly updating * the chain id to protect against replay attacks on an eventual fork of the chain. * * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. * * _Available since v3.4._ * * @custom:storage-size 52 */ abstract contract EIP712Upgradeable is Initializable { /* solhint-disable var-name-mixedcase */ bytes32 private constant _TYPE_HASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"); /* solhint-enable var-name-mixedcase */ /** * @dev Initializes the domain separator and parameter caches. * * The meaning of `name` and `version` is specified in * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]: * * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. * - `version`: the current major version of the signing domain. * * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart * contract upgrade]. */ function __EIP712_init(string memory name, string memory version) internal onlyInitializing { __EIP712_init_unchained(name, version); } function __EIP712_init_unchained(string memory name, string memory version) internal onlyInitializing { bytes32 hashedName = keccak256(bytes(name)); bytes32 hashedVersion = keccak256(bytes(version)); EIP712Storage.Data storage data = EIP712Storage.eip712Storage(); data._HASHED_NAME = hashedName; data._HASHED_VERSION = hashedVersion; } /** * @dev Returns the domain separator for the current chain. */ function _domainSeparatorV4() internal view returns (bytes32) { return _buildDomainSeparator(_TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash()); } function _buildDomainSeparator( bytes32 typeHash, bytes32 nameHash, bytes32 versionHash ) private view returns (bytes32) { return keccak256(abi.encode(typeHash, nameHash, versionHash, block.chainid, address(this))); } /** * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this * function returns the hash of the fully encoded EIP712 message for this domain. * * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example: * * ```solidity * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( * keccak256("Mail(address to,string contents)"), * mailTo, * keccak256(bytes(mailContents)) * ))); * address signer = ECDSA.recover(digest, signature); * ``` */ function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) { return ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash); } /** * @dev The hash of the name parameter for the EIP712 domain. * * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs * are a concern. */ function _EIP712NameHash() internal view virtual returns (bytes32) { EIP712Storage.Data storage data = EIP712Storage.eip712Storage(); return data._HASHED_NAME; } /** * @dev The hash of the version parameter for the EIP712 domain. * * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs * are a concern. */ function _EIP712VersionHash() internal view virtual returns (bytes32) { EIP712Storage.Data storage data = EIP712Storage.eip712Storage(); return data._HASHED_VERSION; } }
// SPDX-License-Identifier: Apache 2.0 pragma solidity ^0.8.0; import "../../extension/interface/IERC2771Context.sol"; import "./Initializable.sol"; /** * @dev Context variant with ERC2771 support. */ library ERC2771ContextStorage { bytes32 public constant ERC2771_CONTEXT_STORAGE_POSITION = keccak256("erc2771.context.storage"); struct Data { mapping(address => bool) trustedForwarder; } function erc2771ContextStorage() internal pure returns (Data storage erc2771ContextData) { bytes32 position = ERC2771_CONTEXT_STORAGE_POSITION; assembly { erc2771ContextData.slot := position } } } /** * @dev Context variant with ERC2771 support. */ abstract contract ERC2771ContextUpgradeable is Initializable { function __ERC2771Context_init(address[] memory trustedForwarder) internal onlyInitializing { __ERC2771Context_init_unchained(trustedForwarder); } function __ERC2771Context_init_unchained(address[] memory trustedForwarder) internal onlyInitializing { ERC2771ContextStorage.Data storage data = ERC2771ContextStorage.erc2771ContextStorage(); for (uint256 i = 0; i < trustedForwarder.length; i++) { data.trustedForwarder[trustedForwarder[i]] = true; } } function isTrustedForwarder(address forwarder) public view virtual returns (bool) { ERC2771ContextStorage.Data storage data = ERC2771ContextStorage.erc2771ContextStorage(); return data.trustedForwarder[forwarder]; } function _msgSender() internal view virtual returns (address sender) { if (isTrustedForwarder(msg.sender)) { // The assembly code is more direct than the Solidity version using `abi.decode`. assembly { sender := shr(96, calldataload(sub(calldatasize(), 20))) } } else { return msg.sender; } } function _msgData() internal view virtual returns (bytes calldata) { if (isTrustedForwarder(msg.sender)) { return msg.data[:msg.data.length - 20]; } else { return msg.data; } } uint256[49] private __gap; }
// SPDX-License-Identifier: Apache 2.0 pragma solidity ^0.8.0; import "../../lib/TWAddress.sol"; library InitStorage { /// @dev The location of the storage of the entrypoint contract's data. bytes32 constant INIT_STORAGE_POSITION = keccak256("init.storage"); /// @dev Layout of the entrypoint contract's storage. struct Data { uint8 initialized; bool initializing; } /// @dev Returns the entrypoint contract's data at the relevant storage location. function initStorage() internal pure returns (Data storage initData) { bytes32 position = INIT_STORAGE_POSITION; assembly { initData.slot := position } } } abstract contract Initializable { /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint8 version); /** * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope, * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`. */ modifier initializer() { InitStorage.Data storage data = InitStorage.initStorage(); uint8 _initialized = data.initialized; bool _initializing = data.initializing; bool isTopLevelCall = !_initializing; require( (isTopLevelCall && _initialized < 1) || (!TWAddress.isContract(address(this)) && _initialized == 1), "Initializable: contract is already initialized" ); data.initialized = 1; if (isTopLevelCall) { data.initializing = true; } _; if (isTopLevelCall) { data.initializing = false; emit Initialized(1); } } /** * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be * used to initialize parent contracts. * * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original * initialization step. This is essential to configure modules that are added through upgrades and that require * initialization. * * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in * a contract, executing them in the right order is up to the developer or operator. */ modifier reinitializer(uint8 version) { InitStorage.Data storage data = InitStorage.initStorage(); uint8 _initialized = data.initialized; bool _initializing = data.initializing; require(!_initializing && _initialized < version, "Initializable: contract is already initialized"); data.initialized = version; data.initializing = true; _; data.initializing = false; emit Initialized(version); } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} and {reinitializer} modifiers, directly or indirectly. */ modifier onlyInitializing() { InitStorage.Data storage data = InitStorage.initStorage(); require(data.initializing, "Initializable: contract is not initializing"); _; } /** * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call. * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized * to any version. It is recommended to use this to lock implementation contracts that are designed to be called * through proxies. */ function _disableInitializers() internal virtual { InitStorage.Data storage data = InitStorage.initStorage(); uint8 _initialized = data.initialized; bool _initializing = data.initializing; require(!_initializing, "Initializable: contract is initializing"); if (_initialized < type(uint8).max) { data.initialized = type(uint8).max; emit Initialized(type(uint8).max); } } }
// SPDX-License-Identifier: Apache 2.0 pragma solidity ^0.8.0; /// @author thirdweb import "../../extension/interface/IOperatorFilterToggle.sol"; library OperatorFilterToggleStorage { bytes32 public constant OPERATOR_FILTER_TOGGLE_STORAGE_POSITION = keccak256("operator.filter.toggle.storage"); struct Data { bool operatorRestriction; } function operatorFilterToggleStorage() internal pure returns (Data storage operatorFilterToggleData) { bytes32 position = OPERATOR_FILTER_TOGGLE_STORAGE_POSITION; assembly { operatorFilterToggleData.slot := position } } } abstract contract OperatorFilterToggle is IOperatorFilterToggle { function operatorRestriction() external view override returns (bool) { OperatorFilterToggleStorage.Data storage data = OperatorFilterToggleStorage.operatorFilterToggleStorage(); return data.operatorRestriction; } function setOperatorRestriction(bool _restriction) external { require(_canSetOperatorRestriction(), "Not authorized to set operator restriction."); _setOperatorRestriction(_restriction); } function _setOperatorRestriction(bool _restriction) internal { OperatorFilterToggleStorage.Data storage data = OperatorFilterToggleStorage.operatorFilterToggleStorage(); data.operatorRestriction = _restriction; emit OperatorRestriction(_restriction); } function _canSetOperatorRestriction() internal virtual returns (bool); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb import "../../extension/interface/IOwnable.sol"; /** * @title Ownable * @notice Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading * who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses * information about who the contract's owner is. */ library OwnableStorage { bytes32 public constant OWNABLE_STORAGE_POSITION = keccak256("ownable.storage"); struct Data { /// @dev Owner of the contract (purpose: OpenSea compatibility) address _owner; } function ownableStorage() internal pure returns (Data storage ownableData) { bytes32 position = OWNABLE_STORAGE_POSITION; assembly { ownableData.slot := position } } } abstract contract Ownable is IOwnable { /// @dev Reverts if caller is not the owner. modifier onlyOwner() { OwnableStorage.Data storage data = OwnableStorage.ownableStorage(); if (msg.sender != data._owner) { revert("Not authorized"); } _; } /** * @notice Returns the owner of the contract. */ function owner() public view override returns (address) { OwnableStorage.Data storage data = OwnableStorage.ownableStorage(); return data._owner; } /** * @notice Lets an authorized wallet set a new owner for the contract. * @param _newOwner The address to set as the new owner of the contract. */ function setOwner(address _newOwner) external override { if (!_canSetOwner()) { revert("Not authorized"); } _setupOwner(_newOwner); } /// @dev Lets a contract admin set a new owner for the contract. The new owner must be a contract admin. function _setupOwner(address _newOwner) internal { OwnableStorage.Data storage data = OwnableStorage.ownableStorage(); address _prevOwner = data._owner; data._owner = _newOwner; emit OwnerUpdated(_prevOwner, _newOwner); } /// @dev Returns whether owner can be set in the given execution context. function _canSetOwner() internal view virtual returns (bool); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb import "../../extension/interface/IPermissions.sol"; import "../../lib/TWStrings.sol"; /** * @title Permissions * @dev This contracts provides extending-contracts with role-based access control mechanisms */ library PermissionsStorage { bytes32 public constant PERMISSIONS_STORAGE_POSITION = keccak256("permissions.storage"); struct Data { /// @dev Map from keccak256 hash of a role => a map from address => whether address has role. mapping(bytes32 => mapping(address => bool)) _hasRole; /// @dev Map from keccak256 hash of a role to role admin. See {getRoleAdmin}. mapping(bytes32 => bytes32) _getRoleAdmin; } function permissionsStorage() internal pure returns (Data storage permissionsData) { bytes32 position = PERMISSIONS_STORAGE_POSITION; assembly { permissionsData.slot := position } } } contract Permissions is IPermissions { /// @dev Default admin role for all roles. Only accounts with this role can grant/revoke other roles. bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /// @dev Modifier that checks if an account has the specified role; reverts otherwise. modifier onlyRole(bytes32 role) { _checkRole(role, _msgSender()); _; } /** * @notice Checks whether an account has a particular role. * @dev Returns `true` if `account` has been granted `role`. * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * @param account Address of the account for which the role is being checked. */ function hasRole(bytes32 role, address account) public view override returns (bool) { PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage(); return data._hasRole[role][account]; } /** * @notice Checks whether an account has a particular role; * role restrictions can be swtiched on and off. * * @dev Returns `true` if `account` has been granted `role`. * Role restrictions can be swtiched on and off: * - If address(0) has ROLE, then the ROLE restrictions * don't apply. * - If address(0) does not have ROLE, then the ROLE * restrictions will apply. * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * @param account Address of the account for which the role is being checked. */ function hasRoleWithSwitch(bytes32 role, address account) public view returns (bool) { PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage(); if (!data._hasRole[role][address(0)]) { return data._hasRole[role][account]; } return true; } /** * @notice Returns the admin role that controls the specified role. * @dev See {grantRole} and {revokeRole}. * To change a role's admin, use {_setRoleAdmin}. * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") */ function getRoleAdmin(bytes32 role) external view override returns (bytes32) { PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage(); return data._getRoleAdmin[role]; } /** * @notice Grants a role to an account, if not previously granted. * @dev Caller must have admin role for the `role`. * Emits {RoleGranted Event}. * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * @param account Address of the account to which the role is being granted. */ function grantRole(bytes32 role, address account) public virtual override { PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage(); _checkRole(data._getRoleAdmin[role], _msgSender()); if (data._hasRole[role][account]) { revert("Can only grant to non holders"); } _setupRole(role, account); } /** * @notice Revokes role from an account. * @dev Caller must have admin role for the `role`. * Emits {RoleRevoked Event}. * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * @param account Address of the account from which the role is being revoked. */ function revokeRole(bytes32 role, address account) public virtual override { PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage(); _checkRole(data._getRoleAdmin[role], _msgSender()); _revokeRole(role, account); } /** * @notice Revokes role from the account. * @dev Caller must have the `role`, with caller being the same as `account`. * Emits {RoleRevoked Event}. * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * @param account Address of the account from which the role is being revoked. */ function renounceRole(bytes32 role, address account) public virtual override { if (_msgSender() != account) { revert("Can only renounce for self"); } _revokeRole(role, account); } /// @dev Sets `adminRole` as `role`'s admin role. function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage(); bytes32 previousAdminRole = data._getRoleAdmin[role]; data._getRoleAdmin[role] = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /// @dev Sets up `role` for `account` function _setupRole(bytes32 role, address account) internal virtual { PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage(); data._hasRole[role][account] = true; emit RoleGranted(role, account, _msgSender()); } /// @dev Revokes `role` from `account` function _revokeRole(bytes32 role, address account) internal virtual { PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage(); _checkRole(role, account); delete data._hasRole[role][account]; emit RoleRevoked(role, account, _msgSender()); } /// @dev Checks `role` for `account`. Reverts with a message including the required role. function _checkRole(bytes32 role, address account) internal view virtual { PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage(); if (!data._hasRole[role][account]) { revert( string( abi.encodePacked( "Permissions: account ", TWStrings.toHexString(uint160(account), 20), " is missing role ", TWStrings.toHexString(uint256(role), 32) ) ) ); } } /// @dev Checks `role` for `account`. Reverts with a message including the required role. function _checkRoleWithSwitch(bytes32 role, address account) internal view virtual { if (!hasRoleWithSwitch(role, account)) { revert( string( abi.encodePacked( "Permissions: account ", TWStrings.toHexString(uint160(account), 20), " is missing role ", TWStrings.toHexString(uint256(role), 32) ) ) ); } } function _msgSender() internal view virtual returns (address sender) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb import "../../extension/interface/IPermissionsEnumerable.sol"; import "./Permissions.sol"; /** * @title PermissionsEnumerable * @dev This contracts provides extending-contracts with role-based access control mechanisms. * Also provides interfaces to view all members with a given role, and total count of members. */ library PermissionsEnumerableStorage { bytes32 public constant PERMISSIONS_ENUMERABLE_STORAGE_POSITION = keccak256("permissions.enumerable.storage"); /** * @notice A data structure to store data of members for a given role. * * @param index Current index in the list of accounts that have a role. * @param members map from index => address of account that has a role * @param indexOf map from address => index which the account has. */ struct RoleMembers { uint256 index; mapping(uint256 => address) members; mapping(address => uint256) indexOf; } struct Data { /// @dev map from keccak256 hash of a role to its members' data. See {RoleMembers}. mapping(bytes32 => RoleMembers) roleMembers; } function permissionsEnumerableStorage() internal pure returns (Data storage permissionsEnumerableData) { bytes32 position = PERMISSIONS_ENUMERABLE_STORAGE_POSITION; assembly { permissionsEnumerableData.slot := position } } } contract PermissionsEnumerable is IPermissionsEnumerable, Permissions { /** * @notice Returns the role-member from a list of members for a role, * at a given index. * @dev Returns `member` who has `role`, at `index` of role-members list. * See struct {RoleMembers}, and mapping {roleMembers} * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * @param index Index in list of current members for the role. * * @return member Address of account that has `role` */ function getRoleMember(bytes32 role, uint256 index) external view override returns (address member) { PermissionsEnumerableStorage.Data storage data = PermissionsEnumerableStorage.permissionsEnumerableStorage(); uint256 currentIndex = data.roleMembers[role].index; uint256 check; for (uint256 i = 0; i < currentIndex; i += 1) { if (data.roleMembers[role].members[i] != address(0)) { if (check == index) { member = data.roleMembers[role].members[i]; return member; } check += 1; } else if (hasRole(role, address(0)) && i == data.roleMembers[role].indexOf[address(0)]) { check += 1; } } } /** * @notice Returns total number of accounts that have a role. * @dev Returns `count` of accounts that have `role`. * See struct {RoleMembers}, and mapping {roleMembers} * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * * @return count Total number of accounts that have `role` */ function getRoleMemberCount(bytes32 role) external view override returns (uint256 count) { PermissionsEnumerableStorage.Data storage data = PermissionsEnumerableStorage.permissionsEnumerableStorage(); uint256 currentIndex = data.roleMembers[role].index; for (uint256 i = 0; i < currentIndex; i += 1) { if (data.roleMembers[role].members[i] != address(0)) { count += 1; } } if (hasRole(role, address(0))) { count += 1; } } /// @dev Revokes `role` from `account`, and removes `account` from {roleMembers} /// See {_removeMember} function _revokeRole(bytes32 role, address account) internal override { super._revokeRole(role, account); _removeMember(role, account); } /// @dev Grants `role` to `account`, and adds `account` to {roleMembers} /// See {_addMember} function _setupRole(bytes32 role, address account) internal override { super._setupRole(role, account); _addMember(role, account); } /// @dev adds `account` to {roleMembers}, for `role` function _addMember(bytes32 role, address account) internal { PermissionsEnumerableStorage.Data storage data = PermissionsEnumerableStorage.permissionsEnumerableStorage(); uint256 idx = data.roleMembers[role].index; data.roleMembers[role].index += 1; data.roleMembers[role].members[idx] = account; data.roleMembers[role].indexOf[account] = idx; } /// @dev removes `account` from {roleMembers}, for `role` function _removeMember(bytes32 role, address account) internal { PermissionsEnumerableStorage.Data storage data = PermissionsEnumerableStorage.permissionsEnumerableStorage(); uint256 idx = data.roleMembers[role].indexOf[account]; delete data.roleMembers[role].members[idx]; delete data.roleMembers[role].indexOf[account]; } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb import "../../extension/interface/IPrimarySale.sol"; library PrimarySaleStorage { bytes32 public constant PRIMARY_SALE_STORAGE_POSITION = keccak256("primary.sale.storage"); struct Data { address recipient; } function primarySaleStorage() internal pure returns (Data storage primarySaleData) { bytes32 position = PRIMARY_SALE_STORAGE_POSITION; assembly { primarySaleData.slot := position } } } /** * @title Primary Sale * @notice Thirdweb's `PrimarySale` is a contract extension to be used with any base contract. It exposes functions for setting and reading * the recipient of primary sales, and lets the inheriting contract perform conditional logic that uses information about * primary sales, if desired. */ abstract contract PrimarySale is IPrimarySale { /// @dev Returns primary sale recipient address. function primarySaleRecipient() public view override returns (address) { PrimarySaleStorage.Data storage data = PrimarySaleStorage.primarySaleStorage(); return data.recipient; } /** * @notice Updates primary sale recipient. * @dev Caller should be authorized to set primary sales info. * See {_canSetPrimarySaleRecipient}. * Emits {PrimarySaleRecipientUpdated Event}; See {_setupPrimarySaleRecipient}. * * @param _saleRecipient Address to be set as new recipient of primary sales. */ function setPrimarySaleRecipient(address _saleRecipient) external override { if (!_canSetPrimarySaleRecipient()) { revert("Not authorized"); } _setupPrimarySaleRecipient(_saleRecipient); } /// @dev Lets a contract admin set the recipient for all primary sales. function _setupPrimarySaleRecipient(address _saleRecipient) internal { PrimarySaleStorage.Data storage data = PrimarySaleStorage.primarySaleStorage(); data.recipient = _saleRecipient; emit PrimarySaleRecipientUpdated(_saleRecipient); } /// @dev Returns whether primary sale recipient can be set in the given execution context. function _canSetPrimarySaleRecipient() internal view virtual returns (bool); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb import "../../extension/interface/IRoyalty.sol"; library RoyaltyStorage { bytes32 public constant ROYALTY_STORAGE_POSITION = keccak256("royalty.storage"); struct Data { /// @dev The (default) address that receives all royalty value. address royaltyRecipient; /// @dev The (default) % of a sale to take as royalty (in basis points). uint16 royaltyBps; /// @dev Token ID => royalty recipient and bps for token mapping(uint256 => IRoyalty.RoyaltyInfo) royaltyInfoForToken; } function royaltyStorage() internal pure returns (Data storage royaltyData) { bytes32 position = ROYALTY_STORAGE_POSITION; assembly { royaltyData.slot := position } } } /** * @title Royalty * @notice Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading * the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic * that uses information about royalty fees, if desired. * * @dev The `Royalty` contract is ERC2981 compliant. */ abstract contract Royalty is IRoyalty { /** * @notice View royalty info for a given token and sale price. * @dev Returns royalty amount and recipient for `tokenId` and `salePrice`. * @param tokenId The tokenID of the NFT for which to query royalty info. * @param salePrice Sale price of the token. * * @return receiver Address of royalty recipient account. * @return royaltyAmount Royalty amount calculated at current royaltyBps value. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view virtual override returns (address receiver, uint256 royaltyAmount) { (address recipient, uint256 bps) = getRoyaltyInfoForToken(tokenId); receiver = recipient; royaltyAmount = (salePrice * bps) / 10_000; } /** * @notice View royalty info for a given token. * @dev Returns royalty recipient and bps for `_tokenId`. * @param _tokenId The tokenID of the NFT for which to query royalty info. */ function getRoyaltyInfoForToken(uint256 _tokenId) public view override returns (address, uint16) { RoyaltyStorage.Data storage data = RoyaltyStorage.royaltyStorage(); RoyaltyInfo memory royaltyForToken = data.royaltyInfoForToken[_tokenId]; return royaltyForToken.recipient == address(0) ? (data.royaltyRecipient, uint16(data.royaltyBps)) : (royaltyForToken.recipient, uint16(royaltyForToken.bps)); } /** * @notice Returns the defualt royalty recipient and BPS for this contract's NFTs. */ function getDefaultRoyaltyInfo() external view override returns (address, uint16) { RoyaltyStorage.Data storage data = RoyaltyStorage.royaltyStorage(); return (data.royaltyRecipient, uint16(data.royaltyBps)); } /** * @notice Updates default royalty recipient and bps. * @dev Caller should be authorized to set royalty info. * See {_canSetRoyaltyInfo}. * Emits {DefaultRoyalty Event}; See {_setupDefaultRoyaltyInfo}. * * @param _royaltyRecipient Address to be set as default royalty recipient. * @param _royaltyBps Updated royalty bps. */ function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external override { if (!_canSetRoyaltyInfo()) { revert("Not authorized"); } _setupDefaultRoyaltyInfo(_royaltyRecipient, _royaltyBps); } /// @dev Lets a contract admin update the default royalty recipient and bps. function _setupDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) internal { if (_royaltyBps > 10_000) { revert("Exceeds max bps"); } RoyaltyStorage.Data storage data = RoyaltyStorage.royaltyStorage(); data.royaltyRecipient = _royaltyRecipient; data.royaltyBps = uint16(_royaltyBps); emit DefaultRoyalty(_royaltyRecipient, _royaltyBps); } /** * @notice Updates default royalty recipient and bps for a particular token. * @dev Sets royalty info for `_tokenId`. Caller should be authorized to set royalty info. * See {_canSetRoyaltyInfo}. * Emits {RoyaltyForToken Event}; See {_setupRoyaltyInfoForToken}. * * @param _recipient Address to be set as royalty recipient for given token Id. * @param _bps Updated royalty bps for the token Id. */ function setRoyaltyInfoForToken( uint256 _tokenId, address _recipient, uint256 _bps ) external override { if (!_canSetRoyaltyInfo()) { revert("Not authorized"); } _setupRoyaltyInfoForToken(_tokenId, _recipient, _bps); } /// @dev Lets a contract admin set the royalty recipient and bps for a particular token Id. function _setupRoyaltyInfoForToken( uint256 _tokenId, address _recipient, uint256 _bps ) internal { if (_bps > 10_000) { revert("Exceeds max bps"); } RoyaltyStorage.Data storage data = RoyaltyStorage.royaltyStorage(); data.royaltyInfoForToken[_tokenId] = RoyaltyInfo({ recipient: _recipient, bps: _bps }); emit RoyaltyForToken(_tokenId, _recipient, _bps); } /// @dev Returns whether royalty info can be set in the given execution context. function _canSetRoyaltyInfo() internal view virtual returns (bool); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb import "../../extension/interface/ISignatureAction.sol"; import "./EIP712Upgradeable.sol"; library SignatureActionStorage { bytes32 public constant SIGNATURE_ACTION_STORAGE_POSITION = keccak256("signature.action.storage"); struct Data { /// @dev Mapping from a signed request UID => whether the request is processed. mapping(bytes32 => bool) executed; } function signatureActionStorage() internal pure returns (Data storage signatureActionData) { bytes32 position = SIGNATURE_ACTION_STORAGE_POSITION; assembly { signatureActionData.slot := position } } } abstract contract SignatureActionUpgradeable is EIP712Upgradeable, ISignatureAction { using ECDSA for bytes32; bytes32 private constant TYPEHASH = keccak256("GenericRequest(uint128 validityStartTimestamp,uint128 validityEndTimestamp,bytes32 uid,bytes data)"); function __SignatureAction_init() internal onlyInitializing { __EIP712_init("SignatureAction", "1"); } function __SignatureAction_init_unchained() internal onlyInitializing {} /// @dev Verifies that a request is signed by an authorized account. function verify(GenericRequest calldata _req, bytes calldata _signature) public view override returns (bool success, address signer) { SignatureActionStorage.Data storage data = SignatureActionStorage.signatureActionStorage(); signer = _recoverAddress(_req, _signature); success = !data.executed[_req.uid] && _isAuthorizedSigner(signer); } /// @dev Returns whether a given address is authorized to sign requests. function _isAuthorizedSigner(address _signer) internal view virtual returns (bool); /// @dev Verifies a request and marks the request as processed. function _processRequest(GenericRequest calldata _req, bytes calldata _signature) internal returns (address signer) { bool success; (success, signer) = verify(_req, _signature); if (!success) { revert("Invalid req"); } if (_req.validityStartTimestamp > block.timestamp || block.timestamp > _req.validityEndTimestamp) { revert("Req expired"); } SignatureActionStorage.Data storage data = SignatureActionStorage.signatureActionStorage(); data.executed[_req.uid] = true; } /// @dev Returns the address of the signer of the request. function _recoverAddress(GenericRequest calldata _req, bytes calldata _signature) internal view returns (address) { return _hashTypedDataV4(keccak256(_encodeRequest(_req))).recover(_signature); } /// @dev Encodes a request for recovery of the signer in `recoverAddress`. function _encodeRequest(GenericRequest calldata _req) internal pure returns (bytes memory) { return abi.encode( TYPEHASH, _req.validityStartTimestamp, _req.validityEndTimestamp, _req.uid, keccak256(_req.data) ); } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import { ContractMetadataStorage } from "../extension/ContractMetadata.sol"; contract ContractMetadataInit { event ContractURIUpdated(string prevURI, string newURI); /// @dev Lets a contract admin set the URI for contract-level metadata. function _setupContractURI(string memory _uri) internal { ContractMetadataStorage.Data storage data = ContractMetadataStorage.contractMetadataStorage(); string memory prevURI = data.contractURI; data.contractURI = _uri; emit ContractURIUpdated(prevURI, _uri); } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import "../../extension/interface/IOperatorFilterRegistry.sol"; import { OperatorFilterToggleStorage } from "../extension/OperatorFilterToggle.sol"; contract DefaultOperatorFiltererInit { event OperatorRestriction(bool restriction); IOperatorFilterRegistry constant OPERATOR_FILTER_REGISTRY = IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E); address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6); function _setupOperatorFilterer() internal { __DefaultOperatorFilterer_init(); } function __DefaultOperatorFilterer_init() private { __OperatorFilterer_init(DEFAULT_SUBSCRIPTION, true); OperatorFilterToggleStorage.Data storage data = OperatorFilterToggleStorage.operatorFilterToggleStorage(); data.operatorRestriction = true; emit OperatorRestriction(true); } function __OperatorFilterer_init(address subscriptionOrRegistrantToCopy, bool subscribe) private { // If an inheriting token contract is deployed to a network without the registry deployed, the modifier // will not revert, but the contract will need to be registered with the registry once it is deployed in // order for the modifier to filter addresses. if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) { if (!OPERATOR_FILTER_REGISTRY.isRegistered(address(this))) { if (subscribe) { OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy); } else { if (subscriptionOrRegistrantToCopy != address(0)) { OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy); } else { OPERATOR_FILTER_REGISTRY.register(address(this)); } } } } } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import { ERC721AStorage } from "../eip/ERC721AUpgradeable.sol"; import "../extension/Initializable.sol"; contract ERC721AInit is Initializable { function __ERC721A_init(string memory name_, string memory symbol_) internal onlyInitializing { __ERC721A_init_unchained(name_, symbol_); } function __ERC721A_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing { ERC721AStorage.Data storage data = ERC721AStorage.erc721AStorage(); data._name = name_; data._symbol = symbol_; data._currentIndex = _startTokenId(); } function _startTokenId() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import { OwnableStorage } from "../extension/Ownable.sol"; contract OwnableInit { event OwnerUpdated(address indexed prevOwner, address indexed newOwner); /// @dev Lets a contract admin set a new owner for the contract. The new owner must be a contract admin. function _setupOwner(address _newOwner) internal { OwnableStorage.Data storage data = OwnableStorage.ownableStorage(); address _prevOwner = data._owner; data._owner = _newOwner; emit OwnerUpdated(_prevOwner, _newOwner); } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import { PermissionsEnumerableStorage } from "../extension/PermissionsEnumerable.sol"; import "./PermissionsInit.sol"; contract PermissionsEnumerableInit is PermissionsInit { /// @dev Sets up `role` for `account` function _setupRole(bytes32 role, address account) internal override { super._setupRole(role, account); _addMember(role, account); } /// @dev adds `account` to {roleMembers}, for `role` function _addMember(bytes32 role, address account) internal { PermissionsEnumerableStorage.Data storage data = PermissionsEnumerableStorage.permissionsEnumerableStorage(); uint256 idx = data.roleMembers[role].index; data.roleMembers[role].index += 1; data.roleMembers[role].members[idx] = account; data.roleMembers[role].indexOf[account] = idx; } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import { PermissionsStorage } from "../extension/Permissions.sol"; contract PermissionsInit { event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /// @dev Sets up `role` for `account` function _setupRole(bytes32 role, address account) internal virtual { PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage(); data._hasRole[role][account] = true; emit RoleGranted(role, account, msg.sender); } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import { PrimarySaleStorage } from "../extension/PrimarySale.sol"; contract PrimarySaleInit { /// @dev Emitted when a new sale recipient is set. event PrimarySaleRecipientUpdated(address indexed recipient); /// @dev Lets a contract admin set the recipient for all primary sales. function _setupPrimarySaleRecipient(address _saleRecipient) internal { PrimarySaleStorage.Data storage data = PrimarySaleStorage.primarySaleStorage(); data.recipient = _saleRecipient; emit PrimarySaleRecipientUpdated(_saleRecipient); } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import { RoyaltyStorage, IRoyalty } from "../extension/Royalty.sol"; contract RoyaltyInit { event DefaultRoyalty(address indexed newRoyaltyRecipient, uint256 newRoyaltyBps); /// @dev Lets a contract admin update the default royalty recipient and bps. function _setupDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) internal { if (_royaltyBps > 10_000) { revert("Exceeds max bps"); } RoyaltyStorage.Data storage data = RoyaltyStorage.royaltyStorage(); data.royaltyRecipient = _royaltyRecipient; data.royaltyBps = uint16(_royaltyBps); emit DefaultRoyalty(_royaltyRecipient, _royaltyBps); } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import { SignatureActionStorage } from "../extension/SignatureActionUpgradeable.sol"; import { EIP712Storage } from "../extension/EIP712Upgradeable.sol"; import "../extension/Initializable.sol"; contract EIP712Init is Initializable { function __EIP712_init(string memory name, string memory version) internal onlyInitializing { __EIP712_init_unchained(name, version); } function __EIP712_init_unchained(string memory name, string memory version) internal onlyInitializing { bytes32 hashedName = keccak256(bytes(name)); bytes32 hashedVersion = keccak256(bytes(version)); EIP712Storage.Data storage data = EIP712Storage.eip712Storage(); data._HASHED_NAME = hashedName; data._HASHED_VERSION = hashedVersion; } } contract SignatureActionInit is EIP712Init { function __SignatureAction_init() internal onlyInitializing { __EIP712_init("SignatureAction", "1"); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./interface/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 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * [EIP](https://eips.ethereum.org/EIPS/eip-165). * * 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 * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * 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: Apache 2.0 pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be payed in that same unit of exchange. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (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); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address); /** * @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 Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address); /** * @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 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); /** * @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; }
// SPDX-License-Identifier: MIT // ERC721A Contracts v3.3.0 // Creator: Chiru Labs pragma solidity ^0.8.4; import "./IERC721.sol"; import "./IERC721Metadata.sol"; /** * @dev Interface of an ERC721A compliant contract. */ interface IERC721A is IERC721, IERC721Metadata { /** * The caller must own the token or be an approved operator. */ error ApprovalCallerNotOwnerNorApproved(); /** * The token does not exist. */ error ApprovalQueryForNonexistentToken(); /** * The caller cannot approve to their own address. */ error ApproveToCaller(); /** * The caller cannot approve to the current owner. */ error ApprovalToCurrentOwner(); /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The token does not exist. */ error OwnerQueryForNonexistentToken(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * The token must be owned by `from`. */ error TransferFromIncorrectOwner(); /** * Cannot safely transfer to a contract that does not implement the ERC721Receiver interface. */ error TransferToNonERC721ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * The token does not exist. */ error URIQueryForNonexistentToken(); // 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; } /** * @dev Returns the total amount of tokens stored by the contract. * * Burned tokens are calculated here, use `_totalMinted()` if you want to count just minted tokens. */ function totalSupply() external view returns (uint256); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @title ERC-721 Non-Fungible Token Standard, optional metadata extension /// @dev See https://eips.ethereum.org/EIPS/eip-721 /// Note: the ERC-165 identifier for this interface is 0x5b5e139f. /* is ERC721 */ interface IERC721Metadata { /// @notice A descriptive name for a collection of NFTs in this contract function name() external view returns (string memory); /// @notice An abbreviated name for NFTs in this contract function symbol() external view returns (string memory); /// @notice A distinct Uniform Resource Identifier (URI) for a given asset. /// @dev Throws if `_tokenId` is not a valid NFT. URIs are defined in RFC /// 3986. The URI may point to a JSON file that conforms to the "ERC721 /// Metadata JSON Schema". function tokenURI(uint256 _tokenId) external view returns (string memory); }
// 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: Apache 2.0 pragma solidity ^0.8.0; /// @author thirdweb import "../lib/TWAddress.sol"; import "./interface/IMulticall.sol"; /** * @dev Provides a function to batch together multiple calls in a single external call. * * _Available since v4.1._ */ contract Multicall is IMulticall { /** * @notice Receives and executes a batch of function calls on this contract. * @dev Receives and executes a batch of function calls on this contract. * * @param data The bytes data that makes up the batch of function calls to execute. * @return results The bytes data that makes up the result of the batch of function calls executed. */ function multicall(bytes[] calldata data) external virtual override returns (bytes[] memory results) { results = new bytes[](data.length); for (uint256 i = 0; i < data.length; i++) { results[i] = TWAddress.functionDelegateCall(address(this), data[i]); } return results; } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb /** * Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI * for you contract. * * Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea. */ interface IContractMetadata { /// @dev Returns the metadata URI of the contract. function contractURI() external view returns (string memory); /** * @dev Sets contract URI for the storefront-level metadata of the contract. * Only module admin can call this function. */ function setContractURI(string calldata _uri) external; /// @dev Emitted when the contract URI is updated. event ContractURIUpdated(string prevURI, string newURI); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; interface IERC2771Context { function isTrustedForwarder(address forwarder) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author thirdweb /** * @dev Provides a function to batch together multiple calls in a single external call. * * _Available since v4.1._ */ interface IMulticall { /** * @dev Receives and executes a batch of function calls on this contract. */ function multicall(bytes[] calldata data) external returns (bytes[] memory results); }
// SPDX-License-Identifier: Apache 2.0 pragma solidity ^0.8.0; /// @author thirdweb interface IOperatorFilterRegistry { function isOperatorAllowed(address registrant, address operator) external view returns (bool); function register(address registrant) external; function registerAndSubscribe(address registrant, address subscription) external; function registerAndCopyEntries(address registrant, address registrantToCopy) external; function unregister(address addr) external; function updateOperator( address registrant, address operator, bool filtered ) external; function updateOperators( address registrant, address[] calldata operators, bool filtered ) external; function updateCodeHash( address registrant, bytes32 codehash, bool filtered ) external; function updateCodeHashes( address registrant, bytes32[] calldata codeHashes, bool filtered ) external; function subscribe(address registrant, address registrantToSubscribe) external; function unsubscribe(address registrant, bool copyExistingEntries) external; function subscriptionOf(address addr) external returns (address registrant); function subscribers(address registrant) external returns (address[] memory); function subscriberAt(address registrant, uint256 index) external returns (address); function copyEntriesOf(address registrant, address registrantToCopy) external; function isOperatorFiltered(address registrant, address operator) external returns (bool); function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool); function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool); function filteredOperators(address addr) external returns (address[] memory); function filteredCodeHashes(address addr) external returns (bytes32[] memory); function filteredOperatorAt(address registrant, uint256 index) external returns (address); function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32); function isRegistered(address addr) external returns (bool); function codeHashOf(address addr) external returns (bytes32); }
// SPDX-License-Identifier: Apache 2.0 pragma solidity ^0.8.0; /// @author thirdweb interface IOperatorFilterToggle { event OperatorRestriction(bool restriction); function operatorRestriction() external view returns (bool); function setOperatorRestriction(bool restriction) external; }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb /** * Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading * who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses * information about who the contract's owner is. */ interface IOwnable { /// @dev Returns the owner of the contract. function owner() external view returns (address); /// @dev Lets a module admin set a new owner for the contract. The new owner must be a module admin. function setOwner(address _newOwner) external; /// @dev Emitted when a new Owner is set. event OwnerUpdated(address indexed prevOwner, address indexed newOwner); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IPermissions { /** * @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: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb import "./IPermissions.sol"; /** * @dev External interface of AccessControlEnumerable declared to support ERC165 detection. */ interface IPermissionsEnumerable is IPermissions { /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * [forum post](https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296) * for more information. */ function getRoleMember(bytes32 role, uint256 index) external view returns (address); /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) external view returns (uint256); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb /** * Thirdweb's `Primary` is a contract extension to be used with any base contract. It exposes functions for setting and reading * the recipient of primary sales, and lets the inheriting contract perform conditional logic that uses information about * primary sales, if desired. */ interface IPrimarySale { /// @dev The adress that receives all primary sales value. function primarySaleRecipient() external view returns (address); /// @dev Lets a module admin set the default recipient of all primary sales. function setPrimarySaleRecipient(address _saleRecipient) external; /// @dev Emitted when a new sale recipient is set. event PrimarySaleRecipientUpdated(address indexed recipient); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb import "../../eip/interface/IERC2981.sol"; /** * Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading * the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic * that uses information about royalty fees, if desired. * * The `Royalty` contract is ERC2981 compliant. */ interface IRoyalty is IERC2981 { struct RoyaltyInfo { address recipient; uint256 bps; } /// @dev Returns the royalty recipient and fee bps. function getDefaultRoyaltyInfo() external view returns (address, uint16); /// @dev Lets a module admin update the royalty bps and recipient. function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external; /// @dev Lets a module admin set the royalty recipient for a particular token Id. function setRoyaltyInfoForToken( uint256 tokenId, address recipient, uint256 bps ) external; /// @dev Returns the royalty recipient for a particular token Id. function getRoyaltyInfoForToken(uint256 tokenId) external view returns (address, uint16); /// @dev Emitted when royalty info is updated. event DefaultRoyalty(address indexed newRoyaltyRecipient, uint256 newRoyaltyBps); /// @dev Emitted when royalty recipient for tokenId is set event RoyaltyForToken(uint256 indexed tokenId, address indexed royaltyRecipient, uint256 royaltyBps); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /// @author thirdweb /** * thirdweb's `SignatureAction` extension smart contract can be used with any base smart contract. It provides a generic * payload struct that can be signed by an authorized wallet and verified by the contract. The bytes `data` field provided * in the payload can be abi encoded <-> decoded to use `SignatureContract` for any authorized signature action. */ interface ISignatureAction { /** * @notice The payload that must be signed by an authorized wallet. * * @param validityStartTimestamp The UNIX timestamp at and after which a signature is valid. * @param validityEndTimestamp The UNIX timestamp at and after which a signature is invalid/expired. * @param uid A unique non-repeatable ID for the payload. * @param data Arbitrary bytes data to be used at the discretion of the contract. */ struct GenericRequest { uint128 validityStartTimestamp; uint128 validityEndTimestamp; bytes32 uid; bytes data; } /// @notice Emitted when a payload is verified and executed. event RequestExecuted(address indexed user, address indexed signer, GenericRequest _req); /** * @notice Verfies that a payload is signed by an authorized wallet. * * @param req The payload signed by the authorized wallet. * @param signature The signature produced by the authorized wallet signing the given payload. * * @return success Whether the payload is signed by the authorized wallet. * @return signer The address of the signer. */ function verify(GenericRequest calldata req, bytes calldata signature) external view returns (bool success, address signer); }
// SPDX-License-Identifier: Apache 2.0 pragma solidity ^0.8.0; /// @author thirdweb /** * @dev Collection of functions related to the address type */ library TWAddress { /** * @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. * * [EIP1884](https://eips.ethereum.org/EIPS/eip-1884) 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: Apache 2.0 pragma solidity ^0.8.0; /// @author thirdweb /** * @dev String operations. */ library TWStrings { 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 (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 (last updated v4.5.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.0; import "../../../lib/TWStrings.sol"; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS, InvalidSignatureV } function _throwError(RecoverError error) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert("ECDSA: invalid signature"); } else if (error == RecoverError.InvalidSignatureLength) { revert("ECDSA: invalid signature length"); } else if (error == RecoverError.InvalidSignatureS) { revert("ECDSA: invalid signature 's' value"); } else if (error == RecoverError.InvalidSignatureV) { revert("ECDSA: invalid signature 'v' value"); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature` or error string. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) { // Check the signature length // - case 65: r,s,v signature (standard) // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._ if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else if (signature.length == 64) { bytes32 r; bytes32 vs; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. assembly { r := mload(add(signature, 0x20)) vs := mload(add(signature, 0x40)) } return tryRecover(hash, r, vs); } else { return (address(0), RecoverError.InvalidSignatureLength); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, signature); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures] * * _Available since v4.3._ */ function tryRecover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address, RecoverError) { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. * * _Available since v4.2._ */ function recover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, r, vs); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. * * _Available since v4.3._ */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address, RecoverError) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS); } if (v != 27 && v != 28) { return (address(0), RecoverError.InvalidSignatureV); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature); } return (signer, RecoverError.NoError); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, v, r, s); _throwError(error); return recovered; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)); } /** * @dev Returns an Ethereum Signed Message, created from `s`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", TWStrings.toString(s.length), s)); } /** * @dev Returns an Ethereum Signed Typed Data, created from a * `domainSeparator` and a `structHash`. This produces hash corresponding * to the one signed with the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] * JSON-RPC method as part of EIP-712. * * See {recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); } }
// SPDX-License-Identifier: MIT // @author: thirdweb (https://github.com/thirdweb-dev/dynamic-contracts) pragma solidity ^0.8.0; import "../interface/IRouter.sol"; abstract contract Router is IRouter { fallback() external payable virtual { /// @dev delegate calls the appropriate implementation smart contract for a given function. address implementation = getImplementationForFunction(msg.sig); _delegate(implementation); } receive() external payable virtual {} /// @dev delegateCalls an `implementation` smart contract. function _delegate(address implementation) internal virtual { assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize()) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0) // Copy the returned data. returndatacopy(0, 0, returndatasize()) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize()) } default { return(0, returndatasize()) } } } /// @dev Unimplemented. Returns the implementation contract address for a given function signature. function getImplementationForFunction(bytes4 _functionSelector) public view virtual returns (address); }
// SPDX-License-Identifier: MIT // @author: thirdweb (https://github.com/thirdweb-dev/dynamic-contracts) pragma solidity ^0.8.0; import "./IDefaultExtensionSet.sol"; interface IBaseRouter is IDefaultExtensionSet { /*/////////////////////////////////////////////////////////////// External functions //////////////////////////////////////////////////////////////*/ /// @dev Adds a new extension to the router. function addExtension(Extension memory extension) external; /// @dev Updates an existing extension in the router, or overrides a default extension. function updateExtension(Extension memory extension) external; /// @dev Removes an existing extension from the router. function removeExtension(string memory extensionName) external; }
// SPDX-License-Identifier: MIT // @author: thirdweb (https://github.com/thirdweb-dev/dynamic-contracts) pragma solidity ^0.8.0; import "./IExtension.sol"; interface IDefaultExtensionSet is IExtension { /*/////////////////////////////////////////////////////////////// View functions //////////////////////////////////////////////////////////////*/ /// @dev Returns all extensions stored. function getAllExtensions() external view returns (Extension[] memory); /// @dev Returns all functions that belong to the given extension contract. function getAllFunctionsOfExtension(string memory extensionName) external view returns (ExtensionFunction[] memory); /// @dev Returns the extension metadata for a given function. function getExtensionForFunction(bytes4 functionSelector) external view returns (ExtensionMetadata memory); /// @dev Returns the extension's implementation smart contract address. function getExtensionImplementation(string memory extensionName) external view returns (address); /// @dev Returns the extension metadata and functions for a given extension. function getExtension(string memory extensionName) external view returns (Extension memory); }
// SPDX-License-Identifier: MIT // @author: thirdweb (https://github.com/thirdweb-dev/dynamic-contracts) pragma solidity ^0.8.0; interface IExtension { /*/////////////////////////////////////////////////////////////// Structs //////////////////////////////////////////////////////////////*/ /** * @notice A extension's metadata. * * @param name The unique name of the extension. * @param metadataURI The URI where the metadata for the extension lives. * @param implementation The implementation smart contract address of the extension. */ struct ExtensionMetadata { string name; string metadataURI; address implementation; } /** * @notice An interface to describe a extension's function. * * @param functionSelector The 4 byte selector of the function. * @param functionSignature Function signature as a string. E.g. "transfer(address,address,uint256)" */ struct ExtensionFunction { bytes4 functionSelector; string functionSignature; } /** * @notice An interface to describe an extension. * * @param metadata The extension's metadata; it's name, metadata URI and implementation contract address. * @param functions The functions that belong to the extension. */ struct Extension { ExtensionMetadata metadata; ExtensionFunction[] functions; } /*/////////////////////////////////////////////////////////////// Events //////////////////////////////////////////////////////////////*/ /// @dev Emitted when a extension is added; emitted for each function of the extension. event ExtensionAdded(address indexed extensionAddress, bytes4 indexed functionSelector, string functionSignature); /// @dev Emitted when extension is updated; emitted for each function of the extension. event ExtensionUpdated( address indexed oldExtensionAddress, address indexed newExtensionAddress, bytes4 indexed functionSelector, string functionSignature ); /// @dev Emitted when a extension is removed; emitted for each function of the extension. event ExtensionRemoved(address indexed extensionAddress, bytes4 indexed functionSelector, string functionSignature); }
// SPDX-License-Identifier: MIT // @author: thirdweb (https://github.com/thirdweb-dev/dynamic-contracts) pragma solidity ^0.8.0; interface IRouter { fallback() external payable; receive() external payable; function getImplementationForFunction(bytes4 _functionSelector) external view returns (address); }
// SPDX-License-Identifier: MIT // @author: thirdweb (https://github.com/thirdweb-dev/dynamic-contracts) pragma solidity ^0.8.0; // Interface import "../interface/IBaseRouter.sol"; // Core import "../core/Router.sol"; // Utils import "./utils/StringSet.sol"; import "./utils/DefaultExtensionSet.sol"; import "./utils/ExtensionState.sol"; abstract contract BaseRouter is IBaseRouter, Router, ExtensionState { using StringSet for StringSet.Set; /*/////////////////////////////////////////////////////////////// State variables //////////////////////////////////////////////////////////////*/ /// @notice The DefaultExtensionSet that stores default extensions of the router. address public immutable defaultExtensionSet; /*/////////////////////////////////////////////////////////////// Constructor //////////////////////////////////////////////////////////////*/ constructor(Extension[] memory _extensions) { DefaultExtensionSet map = new DefaultExtensionSet(); defaultExtensionSet = address(map); uint256 len = _extensions.length; for (uint256 i = 0; i < len; i += 1) { map.setExtension(_extensions[i]); } } /*/////////////////////////////////////////////////////////////// External functions //////////////////////////////////////////////////////////////*/ /// @dev Adds a new extension to the router. function addExtension(Extension memory _extension) external { require(_canSetExtension(), "BaseRouter: caller not authorized."); _addExtension(_extension); } /// @dev Updates an existing extension in the router, or overrides a default extension. function updateExtension(Extension memory _extension) external { require(_canSetExtension(), "BaseRouter: caller not authorized."); _updateExtension(_extension); } /// @dev Removes an existing extension from the router. function removeExtension(string memory _extensionName) external { require(_canSetExtension(), "BaseRouter: caller not authorized."); _removeExtension(_extensionName); } /*/////////////////////////////////////////////////////////////// View functions //////////////////////////////////////////////////////////////*/ /** * @notice Returns all extensions stored. Override default lugins stored in router are * given precedence over default extensions in DefaultExtensionSet. */ function getAllExtensions() external view returns (Extension[] memory allExtensions) { Extension[] memory defaultExtensions = IDefaultExtensionSet(defaultExtensionSet).getAllExtensions(); uint256 defaultExtensionsLen = defaultExtensions.length; ExtensionStateStorage.Data storage data = ExtensionStateStorage.extensionStateStorage(); string[] memory names = data.extensionNames.values(); uint256 namesLen = names.length; uint256 overrides = 0; for (uint256 i = 0; i < defaultExtensionsLen; i += 1) { if (data.extensionNames.contains(defaultExtensions[i].metadata.name)) { overrides += 1; } } uint256 total = (namesLen + defaultExtensionsLen) - overrides; allExtensions = new Extension[](total); uint256 idx = 0; for (uint256 i = 0; i < defaultExtensionsLen; i += 1) { string memory name = defaultExtensions[i].metadata.name; if (!data.extensionNames.contains(name)) { allExtensions[idx] = defaultExtensions[i]; idx += 1; } } for (uint256 i = 0; i < namesLen; i += 1) { allExtensions[idx] = data.extensions[names[i]]; idx += 1; } } /// @dev Returns the extension metadata and functions for a given extension. function getExtension(string memory _extensionName) public view returns (Extension memory) { ExtensionStateStorage.Data storage data = ExtensionStateStorage.extensionStateStorage(); bool isLocalExtension = data.extensionNames.contains(_extensionName); return isLocalExtension ? data.extensions[_extensionName] : IDefaultExtensionSet(defaultExtensionSet).getExtension(_extensionName); } /// @dev Returns the extension's implementation smart contract address. function getExtensionImplementation(string memory _extensionName) external view returns (address) { return getExtension(_extensionName).metadata.implementation; } /// @dev Returns all functions that belong to the given extension contract. function getAllFunctionsOfExtension(string memory _extensionName) external view returns (ExtensionFunction[] memory) { return getExtension(_extensionName).functions; } /// @dev Returns the extension metadata for a given function. function getExtensionForFunction(bytes4 _functionSelector) public view returns (ExtensionMetadata memory) { ExtensionStateStorage.Data storage data = ExtensionStateStorage.extensionStateStorage(); ExtensionMetadata memory metadata = data.extensionMetadata[_functionSelector]; bool isLocalExtension = metadata.implementation != address(0); return isLocalExtension ? metadata : IDefaultExtensionSet(defaultExtensionSet).getExtensionForFunction(_functionSelector); } /// @dev Returns the extension implementation address stored in router, for the given function. function getImplementationForFunction(bytes4 _functionSelector) public view override returns (address extensionAddress) { return getExtensionForFunction(_functionSelector).implementation; } /*/////////////////////////////////////////////////////////////// Internal functions //////////////////////////////////////////////////////////////*/ /// @dev Returns whether a extension can be set in the given execution context. function _canSetExtension() internal view virtual returns (bool); }
// SPDX-License-Identifier: MIT // @author: thirdweb (https://github.com/thirdweb-dev/dynamic-contracts) pragma solidity ^0.8.0; // Interface import "../../interface/IDefaultExtensionSet.sol"; // Extensions import "./ExtensionState.sol"; contract DefaultExtensionSet is IDefaultExtensionSet, ExtensionState { using StringSet for StringSet.Set; /*/////////////////////////////////////////////////////////////// State variables //////////////////////////////////////////////////////////////*/ /// @notice The deployer of DefaultExtensionSet. address private deployer; /*/////////////////////////////////////////////////////////////// Constructor //////////////////////////////////////////////////////////////*/ constructor() { deployer = msg.sender; } /*/////////////////////////////////////////////////////////////// External functions //////////////////////////////////////////////////////////////*/ /// @notice Stores a extension in the DefaultExtensionSet. function setExtension(Extension memory _extension) external { require(msg.sender == deployer, "DefaultExtensionSet: unauthorized caller."); _addExtension(_extension); } /*/////////////////////////////////////////////////////////////// View functions //////////////////////////////////////////////////////////////*/ /// @notice Returns all extensions stored. function getAllExtensions() external view returns (Extension[] memory allExtensions) { ExtensionStateStorage.Data storage data = ExtensionStateStorage.extensionStateStorage(); string[] memory names = data.extensionNames.values(); uint256 len = names.length; allExtensions = new Extension[](len); for (uint256 i = 0; i < len; i += 1) { allExtensions[i] = data.extensions[names[i]]; } } /// @notice Returns the extension metadata and functions for a given extension. function getExtension(string memory _extensionName) public view returns (Extension memory) { ExtensionStateStorage.Data storage data = ExtensionStateStorage.extensionStateStorage(); require(data.extensionNames.contains(_extensionName), "DefaultExtensionSet: extension does not exist."); return data.extensions[_extensionName]; } /// @notice Returns the extension's implementation smart contract address. function getExtensionImplementation(string memory _extensionName) external view returns (address) { return getExtension(_extensionName).metadata.implementation; } /// @notice Returns all functions that belong to the given extension contract. function getAllFunctionsOfExtension(string memory _extensionName) external view returns (ExtensionFunction[] memory) { return getExtension(_extensionName).functions; } /// @notice Returns the extension metadata for a given function. function getExtensionForFunction(bytes4 _functionSelector) external view returns (ExtensionMetadata memory) { ExtensionStateStorage.Data storage data = ExtensionStateStorage.extensionStateStorage(); ExtensionMetadata memory metadata = data.extensionMetadata[_functionSelector]; require(metadata.implementation != address(0), "DefaultExtensionSet: no extension for function."); return metadata; } }
// SPDX-License-Identifier: MIT // @author: thirdweb (https://github.com/thirdweb-dev/dynamic-contracts) pragma solidity ^0.8.0; // Interface import "../../interface/IExtension.sol"; // Extensions import "./StringSet.sol"; library ExtensionStateStorage { bytes32 public constant EXTENSION_STATE_STORAGE_POSITION = keccak256("extension.state.storage"); struct Data { /// @dev Set of names of all extensions stored. StringSet.Set extensionNames; /// @dev Mapping from extension name => `Extension` i.e. extension metadata and functions. mapping(string => IExtension.Extension) extensions; /// @dev Mapping from function selector => extension metadata of the extension the function belongs to. mapping(bytes4 => IExtension.ExtensionMetadata) extensionMetadata; } function extensionStateStorage() internal pure returns (Data storage extensionStateData) { bytes32 position = EXTENSION_STATE_STORAGE_POSITION; assembly { extensionStateData.slot := position } } } contract ExtensionState is IExtension { using StringSet for StringSet.Set; /*/////////////////////////////////////////////////////////////// Internal functions //////////////////////////////////////////////////////////////*/ /// @dev Stores a new extension in the contract. function _addExtension(Extension memory _extension) internal { ExtensionStateStorage.Data storage data = ExtensionStateStorage.extensionStateStorage(); string memory name = _extension.metadata.name; require(data.extensionNames.add(name), "ExtensionState: extension already exists."); data.extensions[name].metadata = _extension.metadata; require(_extension.metadata.implementation != address(0), "ExtensionState: adding extension without implementation."); uint256 len = _extension.functions.length; for (uint256 i = 0; i < len; i += 1) { require( _extension.functions[i].functionSelector == bytes4(keccak256(abi.encodePacked(_extension.functions[i].functionSignature))), "ExtensionState: fn selector and signature mismatch." ); require( data.extensionMetadata[_extension.functions[i].functionSelector].implementation == address(0), "ExtensionState: extension already exists for function." ); data.extensionMetadata[_extension.functions[i].functionSelector] = _extension.metadata; data.extensions[name].functions.push(_extension.functions[i]); emit ExtensionAdded( _extension.metadata.implementation, _extension.functions[i].functionSelector, _extension.functions[i].functionSignature ); } } /// @dev Updates / overrides an existing extension in the contract. function _updateExtension(Extension memory _extension) internal { ExtensionStateStorage.Data storage data = ExtensionStateStorage.extensionStateStorage(); string memory name = _extension.metadata.name; require(data.extensionNames.contains(name), "ExtensionState: extension does not exist."); address oldImplementation = data.extensions[name].metadata.implementation; require(_extension.metadata.implementation != oldImplementation, "ExtensionState: re-adding same extension."); data.extensions[name].metadata = _extension.metadata; ExtensionFunction[] memory oldFunctions = data.extensions[name].functions; uint256 oldFunctionsLen = oldFunctions.length; delete data.extensions[name].functions; for (uint256 i = 0; i < oldFunctionsLen; i += 1) { delete data.extensionMetadata[oldFunctions[i].functionSelector]; } uint256 len = _extension.functions.length; for (uint256 i = 0; i < len; i += 1) { require( _extension.functions[i].functionSelector == bytes4(keccak256(abi.encodePacked(_extension.functions[i].functionSignature))), "ExtensionState: fn selector and signature mismatch." ); data.extensionMetadata[_extension.functions[i].functionSelector] = _extension.metadata; data.extensions[name].functions.push(_extension.functions[i]); emit ExtensionUpdated( oldImplementation, _extension.metadata.implementation, _extension.functions[i].functionSelector, _extension.functions[i].functionSignature ); } } /// @dev Removes an existing extension from the contract. function _removeExtension(string memory _extensionName) internal { ExtensionStateStorage.Data storage data = ExtensionStateStorage.extensionStateStorage(); require(data.extensionNames.remove(_extensionName), "ExtensionState: extension does not exist."); address implementation = data.extensions[_extensionName].metadata.implementation; ExtensionFunction[] memory extensionFunctions = data.extensions[_extensionName].functions; delete data.extensions[_extensionName]; uint256 len = extensionFunctions.length; for (uint256 i = 0; i < len; i += 1) { emit ExtensionRemoved( implementation, extensionFunctions[i].functionSelector, extensionFunctions[i].functionSignature ); delete data.extensionMetadata[extensionFunctions[i].functionSelector]; } } }
// SPDX-License-Identifier: Apache 2.0 // @author: thirdweb (https://github.com/thirdweb-dev/dynamic-contracts) pragma solidity ^0.8.0; library StringSet { struct Set { // Storage of set values string[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(string => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, string memory value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, string memory value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { string memory lastValue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastValue; // Update the index for the moved value set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, string memory value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (string memory) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (string[] memory) { return set._values; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Set storage set, string memory value) internal returns (bool) { return _add(set, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Set storage set, string memory value) internal returns (bool) { return _remove(set, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Set storage set, string memory value) internal view returns (bool) { return _contains(set, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Set storage set) internal view returns (uint256) { return _length(set); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Set storage set, uint256 index) internal view returns (string memory) { return _at(set, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Set storage set) internal view returns (string[] memory) { return _values(set); } }
{ "optimizer": { "enabled": true, "runs": 100 }, "evmVersion": "london", "remappings": [ ":@chainlink/contracts/src/=node_modules/@chainlink/contracts/src/", ":@ds-test/=lib/ds-test/src/", ":@openzeppelin/=node_modules/@openzeppelin/", ":@std/=lib/forge-std/src/", ":contracts/=contracts/", ":ds-test/=lib/ds-test/src/", ":dynamic-contracts/=lib/dynamic-contracts/src/", ":erc721a-upgradeable/=node_modules/erc721a-upgradeable/", ":erc721a/=node_modules/erc721a/", ":forge-std/=lib/forge-std/src/" ], "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
[{"inputs":[{"components":[{"components":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"metadataURI","type":"string"},{"internalType":"address","name":"implementation","type":"address"}],"internalType":"struct IExtension.ExtensionMetadata","name":"metadata","type":"tuple"},{"components":[{"internalType":"bytes4","name":"functionSelector","type":"bytes4"},{"internalType":"string","name":"functionSignature","type":"string"}],"internalType":"struct IExtension.ExtensionFunction[]","name":"functions","type":"tuple[]"}],"internalType":"struct IExtension.Extension[]","name":"_extensions","type":"tuple[]"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"prevURI","type":"string"},{"indexed":false,"internalType":"string","name":"newURI","type":"string"}],"name":"ContractURIUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newRoyaltyRecipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"newRoyaltyBps","type":"uint256"}],"name":"DefaultRoyalty","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"extensionAddress","type":"address"},{"indexed":true,"internalType":"bytes4","name":"functionSelector","type":"bytes4"},{"indexed":false,"internalType":"string","name":"functionSignature","type":"string"}],"name":"ExtensionAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"extensionAddress","type":"address"},{"indexed":true,"internalType":"bytes4","name":"functionSelector","type":"bytes4"},{"indexed":false,"internalType":"string","name":"functionSignature","type":"string"}],"name":"ExtensionRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldExtensionAddress","type":"address"},{"indexed":true,"internalType":"address","name":"newExtensionAddress","type":"address"},{"indexed":true,"internalType":"bytes4","name":"functionSelector","type":"bytes4"},{"indexed":false,"internalType":"string","name":"functionSignature","type":"string"}],"name":"ExtensionUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"restriction","type":"bool"}],"name":"OperatorRestriction","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"prevOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnerUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"recipient","type":"address"}],"name":"PrimarySaleRecipientUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"components":[{"components":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"metadataURI","type":"string"},{"internalType":"address","name":"implementation","type":"address"}],"internalType":"struct IExtension.ExtensionMetadata","name":"metadata","type":"tuple"},{"components":[{"internalType":"bytes4","name":"functionSelector","type":"bytes4"},{"internalType":"string","name":"functionSignature","type":"string"}],"internalType":"struct IExtension.ExtensionFunction[]","name":"functions","type":"tuple[]"}],"internalType":"struct IExtension.Extension","name":"_extension","type":"tuple"}],"name":"addExtension","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"defaultExtensionSet","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAllExtensions","outputs":[{"components":[{"components":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"metadataURI","type":"string"},{"internalType":"address","name":"implementation","type":"address"}],"internalType":"struct IExtension.ExtensionMetadata","name":"metadata","type":"tuple"},{"components":[{"internalType":"bytes4","name":"functionSelector","type":"bytes4"},{"internalType":"string","name":"functionSignature","type":"string"}],"internalType":"struct IExtension.ExtensionFunction[]","name":"functions","type":"tuple[]"}],"internalType":"struct IExtension.Extension[]","name":"allExtensions","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_extensionName","type":"string"}],"name":"getAllFunctionsOfExtension","outputs":[{"components":[{"internalType":"bytes4","name":"functionSelector","type":"bytes4"},{"internalType":"string","name":"functionSignature","type":"string"}],"internalType":"struct IExtension.ExtensionFunction[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_extensionName","type":"string"}],"name":"getExtension","outputs":[{"components":[{"components":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"metadataURI","type":"string"},{"internalType":"address","name":"implementation","type":"address"}],"internalType":"struct IExtension.ExtensionMetadata","name":"metadata","type":"tuple"},{"components":[{"internalType":"bytes4","name":"functionSelector","type":"bytes4"},{"internalType":"string","name":"functionSignature","type":"string"}],"internalType":"struct IExtension.ExtensionFunction[]","name":"functions","type":"tuple[]"}],"internalType":"struct IExtension.Extension","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"_functionSelector","type":"bytes4"}],"name":"getExtensionForFunction","outputs":[{"components":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"metadataURI","type":"string"},{"internalType":"address","name":"implementation","type":"address"}],"internalType":"struct IExtension.ExtensionMetadata","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_extensionName","type":"string"}],"name":"getExtensionImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"_functionSelector","type":"bytes4"}],"name":"getImplementationForFunction","outputs":[{"internalType":"address","name":"extensionAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_defaultAdmin","type":"address"},{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"_contractURI","type":"string"},{"internalType":"address[]","name":"_trustedForwarders","type":"address[]"},{"internalType":"address","name":"_saleRecipient","type":"address"},{"internalType":"address","name":"_royaltyRecipient","type":"address"},{"internalType":"uint16","name":"_royaltyBps","type":"uint16"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"forwarder","type":"address"}],"name":"isTrustedForwarder","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"data","type":"bytes[]"}],"name":"multicall","outputs":[{"internalType":"bytes[]","name":"results","type":"bytes[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_extensionName","type":"string"}],"name":"removeExtension","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"components":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"metadataURI","type":"string"},{"internalType":"address","name":"implementation","type":"address"}],"internalType":"struct IExtension.ExtensionMetadata","name":"metadata","type":"tuple"},{"components":[{"internalType":"bytes4","name":"functionSelector","type":"bytes4"},{"internalType":"string","name":"functionSignature","type":"string"}],"internalType":"struct IExtension.ExtensionFunction[]","name":"functions","type":"tuple[]"}],"internalType":"struct IExtension.Extension","name":"_extension","type":"tuple"}],"name":"updateExtension","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.