s h a d o w s (SHDWS) Token Tracker | Etherscan (2024)

File 1 of 27 : ERC721TL.sol

// SPDX-License-Identifier: MITpragma solidity 0.8.22;import {IERC4906} from "openzeppelin/interfaces/IERC4906.sol";import {Strings} from "openzeppelin/utils/Strings.sol";import {ERC721Upgradeable, IERC165, IERC721} from "openzeppelin-upgradeable/token/ERC721/ERC721Upgradeable.sol";import {OwnableAccessControlUpgradeable} from "tl-sol-tools/upgradeable/access/OwnableAccessControlUpgradeable.sol";import {EIP2981TLUpgradeable} from "tl-sol-tools/upgradeable/royalties/EIP2981TLUpgradeable.sol";import {IERC721TL} from "src/erc-721/IERC721TL.sol";import {IBlockListRegistry} from "src/interfaces/IBlockListRegistry.sol";import {ICreatorBase} from "src/interfaces/ICreatorBase.sol";import {IStory} from "src/interfaces/IStory.sol";import {ISynergy} from "src/interfaces/ISynergy.sol";import {ITLNftDelegationRegistry} from "src/interfaces/ITLNftDelegationRegistry.sol";/// @title ERC721TL.sol/// @notice Sovereign ERC-721 Creator Contract with Synergy and Story Inscriptions/// @author transientlabs.xyz/// @custom:version 3.0.1contract ERC721TL is ERC721Upgradeable, OwnableAccessControlUpgradeable, EIP2981TLUpgradeable, ICreatorBase, IERC721TL, ISynergy, IStory, IERC4906{ /*////////////////////////////////////////////////////////////////////////// Custom Types //////////////////////////////////////////////////////////////////////////*/ /// @dev Struct defining a batch mint struct BatchMint { address creator; uint256 fromTokenId; uint256 toTokenId; string baseUri; } /// @dev String representation of uint256 using Strings for uint256; /// @dev String representation for address using Strings for address; /*////////////////////////////////////////////////////////////////////////// State Variables //////////////////////////////////////////////////////////////////////////*/ string public constant VERSION = "3.0.1"; bytes32 public constant ADMIN_ROLE = keccak256("ADMIN_ROLE"); bytes32 public constant APPROVED_MINT_CONTRACT = keccak256("APPROVED_MINT_CONTRACT"); uint256 private _counter; // token ids bool public storyEnabled; ITLNftDelegationRegistry public tlNftDelegationRegistry; IBlockListRegistry public blocklistRegistry; mapping(uint256 => bool) private _burned; // flag to see if a token is burned or not - needed for burning batch mints mapping(uint256 => string) private _proposedTokenUris; // Synergy proposed token uri mapping(uint256 => string) private _tokenUris; // established token uris BatchMint[] private _batchMints; // dynamic array for batch mints /*////////////////////////////////////////////////////////////////////////// Custom Errors //////////////////////////////////////////////////////////////////////////*/ /// @dev Token uri is an empty string error EmptyTokenURI(); /// @dev Mint to zero address error MintToZeroAddress(); /// @dev Batch size too small error BatchSizeTooSmall(); /// @dev Airdrop to too few addresses error AirdropTooFewAddresses(); /// @dev Caller is not the owner or delegate of the owner of the specific token error CallerNotTokenOwnerOrDelegate(); /// @dev Caller is not approved or owner error CallerNotApprovedOrOwner(); /// @dev Token does not exist error TokenDoesntExist(); /// @dev No proposed token uri to change to error NoTokenUriUpdateAvailable(); /// @dev Operator for token approvals blocked error OperatorBlocked(); /// @dev Story not enabled for collectors error StoryNotEnabled(); /*////////////////////////////////////////////////////////////////////////// Constructor //////////////////////////////////////////////////////////////////////////*/ /// @param disable Boolean to disable initialization for the implementation contract constructor(bool disable) { if (disable) _disableInitializers(); } /*////////////////////////////////////////////////////////////////////////// Initializer //////////////////////////////////////////////////////////////////////////*/ /// @dev `tx.origin` is used in the events here as these can be deployed via contract factories and we want to capture the true sender /// @param name The name of the 721 contract /// @param symbol The symbol of the 721 contract /// @param personalization A string to emit as a collection story. Can be ASCII art or something else that is a personalization of the contract. /// @param defaultRoyaltyRecipient The default address for royalty payments /// @param defaultRoyaltyPercentage The default royalty percentage of basis points (out of 10,000) /// @param initOwner The owner of the contract /// @param admins Array of admin addresses to add to the contract /// @param enableStory A bool deciding whether to add story fuctionality or not /// @param initBlockListRegistry Address of the blocklist registry to use /// @param initNftDelegationRegistry Address of the TL nft delegation registry to use function initialize( string memory name, string memory symbol, string memory personalization, address defaultRoyaltyRecipient, uint256 defaultRoyaltyPercentage, address initOwner, address[] memory admins, bool enableStory, address initBlockListRegistry, address initNftDelegationRegistry ) external initializer { // initialize parent contracts __ERC721_init(name, symbol); __EIP2981TL_init(defaultRoyaltyRecipient, defaultRoyaltyPercentage); __OwnableAccessControl_init(initOwner); // add admins _setRole(ADMIN_ROLE, admins, true); // story storyEnabled = enableStory; emit StoryStatusUpdate(tx.origin, enableStory); // blocklist and nft delegation registry blocklistRegistry = IBlockListRegistry(initBlockListRegistry); emit BlockListRegistryUpdate(tx.origin, address(0), initBlockListRegistry); tlNftDelegationRegistry = ITLNftDelegationRegistry(initNftDelegationRegistry); emit NftDelegationRegistryUpdate(tx.origin, address(0), initNftDelegationRegistry); // emit personalization as collection story if (bytes(personalization).length > 0) { emit CollectionStory(tx.origin, tx.origin.toHexString(), personalization); } } /*////////////////////////////////////////////////////////////////////////// General Functions //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc ICreatorBase function totalSupply() external view returns (uint256) { return _counter; } /*////////////////////////////////////////////////////////////////////////// Access Control Functions //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc ICreatorBase function setApprovedMintContracts(address[] calldata minters, bool status) external onlyRoleOrOwner(ADMIN_ROLE) { _setRole(APPROVED_MINT_CONTRACT, minters, status); } /*////////////////////////////////////////////////////////////////////////// Mint Functions //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc IERC721TL function mint(address recipient, string calldata uri) external onlyRoleOrOwner(ADMIN_ROLE) { if (bytes(uri).length == 0) revert EmptyTokenURI(); _counter++; _tokenUris[_counter] = uri; _mint(recipient, _counter); } /// @inheritdoc IERC721TL function mint(address recipient, string calldata uri, address royaltyAddress, uint256 royaltyPercent) external onlyRoleOrOwner(ADMIN_ROLE) { if (bytes(uri).length == 0) revert EmptyTokenURI(); _counter++; _tokenUris[_counter] = uri; _overrideTokenRoyaltyInfo(_counter, royaltyAddress, royaltyPercent); _mint(recipient, _counter); } /// @inheritdoc IERC721TL function batchMint(address recipient, uint128 numTokens, string calldata baseUri) external onlyRoleOrOwner(ADMIN_ROLE) { if (recipient == address(0)) revert MintToZeroAddress(); if (bytes(baseUri).length == 0) revert EmptyTokenURI(); if (numTokens < 2) revert BatchSizeTooSmall(); uint256 start = _counter + 1; uint256 end = start + numTokens - 1; _counter += numTokens; _batchMints.push(BatchMint(recipient, start, end, baseUri)); _increaseBalance(recipient, numTokens); // this function adds the number of tokens to the recipient address for (uint256 id = start; id < end + 1; ++id) { emit Transfer(address(0), recipient, id); } } /// @inheritdoc IERC721TL function airdrop(address[] calldata addresses, string calldata baseUri) external onlyRoleOrOwner(ADMIN_ROLE) { if (bytes(baseUri).length == 0) revert EmptyTokenURI(); if (addresses.length < 2) revert AirdropTooFewAddresses(); uint256 start = _counter + 1; uint256 end = start + addresses.length - 1; _counter += addresses.length; _batchMints.push(BatchMint(address(0), start, end, baseUri)); for (uint256 i = 0; i < addresses.length; i++) { _mint(addresses[i], start + i); } } /// @inheritdoc IERC721TL function externalMint(address recipient, string calldata uri) external onlyRole(APPROVED_MINT_CONTRACT) { if (bytes(uri).length == 0) revert EmptyTokenURI(); _counter++; _tokenUris[_counter] = uri; _mint(recipient, _counter); } /*////////////////////////////////////////////////////////////////////////// Burn Functions //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc IERC721TL function burn(uint256 tokenId) external { address tokenOwner = ownerOf(tokenId); if (!_isAuthorized(tokenOwner, msg.sender, tokenId)) revert CallerNotApprovedOrOwner(); _burn(tokenId); _burned[tokenId] = true; } /*////////////////////////////////////////////////////////////////////////// Royalty Functions //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc ICreatorBase function setDefaultRoyalty(address newRecipient, uint256 newPercentage) external onlyRoleOrOwner(ADMIN_ROLE) { _setDefaultRoyaltyInfo(newRecipient, newPercentage); } /// @inheritdoc ICreatorBase function setTokenRoyalty(uint256 tokenId, address newRecipient, uint256 newPercentage) external onlyRoleOrOwner(ADMIN_ROLE) { _overrideTokenRoyaltyInfo(tokenId, newRecipient, newPercentage); } /*////////////////////////////////////////////////////////////////////////// Synergy Functions //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc ISynergy function proposeNewTokenUri(uint256 tokenId, string calldata newUri) external onlyRoleOrOwner(ADMIN_ROLE) { if (!_exists(tokenId)) revert TokenDoesntExist(); if (bytes(newUri).length == 0) revert EmptyTokenURI(); if (_ownerOf(tokenId) == owner()) { // creator owns the token _tokenUris[tokenId] = newUri; emit MetadataUpdate(tokenId); } else { // creator does not own the token _proposedTokenUris[tokenId] = newUri; emit SynergyStatusChange(msg.sender, tokenId, SynergyAction.Created, newUri); } } /// @inheritdoc ISynergy function acceptTokenUriUpdate(uint256 tokenId) external { if (!_isTokenOwnerOrDelegate(tokenId)) revert CallerNotTokenOwnerOrDelegate(); string memory uri = _proposedTokenUris[tokenId]; if (bytes(uri).length == 0) revert NoTokenUriUpdateAvailable(); _tokenUris[tokenId] = uri; delete _proposedTokenUris[tokenId]; emit MetadataUpdate(tokenId); emit SynergyStatusChange(msg.sender, tokenId, SynergyAction.Accepted, uri); } /// @inheritdoc ISynergy function rejectTokenUriUpdate(uint256 tokenId) external { if (!_isTokenOwnerOrDelegate(tokenId)) revert CallerNotTokenOwnerOrDelegate(); string memory uri = _proposedTokenUris[tokenId]; if (bytes(uri).length == 0) revert NoTokenUriUpdateAvailable(); delete _proposedTokenUris[tokenId]; emit SynergyStatusChange(msg.sender, tokenId, SynergyAction.Rejected, ""); } /*////////////////////////////////////////////////////////////////////////// Token Uri Override //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc ERC721Upgradeable function tokenURI(uint256 tokenId) public view override(ERC721Upgradeable) returns (string memory) { if (!_exists(tokenId)) revert TokenDoesntExist(); string memory uri = _tokenUris[tokenId]; if (bytes(uri).length == 0) { (, uri) = _getBatchInfo(tokenId); } return uri; } /*////////////////////////////////////////////////////////////////////////// Story Inscriptions //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc IStory function addCollectionStory(string calldata, /*creatorName*/ string calldata story) external onlyRoleOrOwner(ADMIN_ROLE) { emit CollectionStory(msg.sender, msg.sender.toHexString(), story); } /// @inheritdoc IStory function addCreatorStory(uint256 tokenId, string calldata, /*creatorName*/ string calldata story) external onlyRoleOrOwner(ADMIN_ROLE) { if (!_exists(tokenId)) revert TokenDoesntExist(); emit CreatorStory(tokenId, msg.sender, msg.sender.toHexString(), story); } /// @inheritdoc IStory function addStory(uint256 tokenId, string calldata, /*collectorName*/ string calldata story) external { if (!storyEnabled) revert StoryNotEnabled(); if (!_isTokenOwnerOrDelegate(tokenId)) revert CallerNotTokenOwnerOrDelegate(); emit Story(tokenId, msg.sender, msg.sender.toHexString(), story); } /// @inheritdoc ICreatorBase function setStoryStatus(bool status) external onlyRoleOrOwner(ADMIN_ROLE) { storyEnabled = status; emit StoryStatusUpdate(msg.sender, status); } /*////////////////////////////////////////////////////////////////////////// BlockList //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc ICreatorBase function setBlockListRegistry(address newBlockListRegistry) external onlyRoleOrOwner(ADMIN_ROLE) { address oldBlockListRegistry = address(blocklistRegistry); blocklistRegistry = IBlockListRegistry(newBlockListRegistry); emit BlockListRegistryUpdate(msg.sender, oldBlockListRegistry, newBlockListRegistry); } /// @inheritdoc ERC721Upgradeable function approve(address to, uint256 tokenId) public override(ERC721Upgradeable, IERC721) { if (_isOperatorBlocked(to)) revert OperatorBlocked(); ERC721Upgradeable.approve(to, tokenId); } /// @inheritdoc ERC721Upgradeable function setApprovalForAll(address operator, bool approved) public override(ERC721Upgradeable, IERC721) { if (approved) { if (_isOperatorBlocked(operator)) revert OperatorBlocked(); } ERC721Upgradeable.setApprovalForAll(operator, approved); } /*////////////////////////////////////////////////////////////////////////// NFT Delegation Registry //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc ICreatorBase function setNftDelegationRegistry(address newNftDelegationRegistry) external onlyRoleOrOwner(ADMIN_ROLE) { address oldNftDelegationRegistry = address(tlNftDelegationRegistry); tlNftDelegationRegistry = ITLNftDelegationRegistry(newNftDelegationRegistry); emit NftDelegationRegistryUpdate(msg.sender, oldNftDelegationRegistry, newNftDelegationRegistry); } /*////////////////////////////////////////////////////////////////////////// ERC-165 Support //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc IERC165 function supportsInterface(bytes4 interfaceId) public view override(ERC721Upgradeable, EIP2981TLUpgradeable, IERC165) returns (bool) { return ( ERC721Upgradeable.supportsInterface(interfaceId) || EIP2981TLUpgradeable.supportsInterface(interfaceId) || interfaceId == 0x49064906 // ERC-4906 || interfaceId == type(ICreatorBase).interfaceId || interfaceId == type(ISynergy).interfaceId || interfaceId == type(IStory).interfaceId || interfaceId == 0x0d23ecb9 // previous story contract version that is still supported || interfaceId == type(IERC721TL).interfaceId ); } /*////////////////////////////////////////////////////////////////////////// Internal Functions //////////////////////////////////////////////////////////////////////////*/ /// @notice Function to get batch mint info /// @param tokenId Token id to look up for batch mint info /// @return adress The token owner /// @return string The uri for the tokenId function _getBatchInfo(uint256 tokenId) internal view returns (address, string memory) { uint256 i = 0; for (i; i < _batchMints.length; i++) { if (tokenId >= _batchMints[i].fromTokenId && tokenId <= _batchMints[i].toTokenId) { break; } } if (i >= _batchMints.length) { return (address(0), ""); } string memory tokenUri = string(abi.encodePacked(_batchMints[i].baseUri, "/", (tokenId - _batchMints[i].fromTokenId).toString())); return (_batchMints[i].creator, tokenUri); } /// @notice Function to override { ERC721Upgradeable._ownerOf } to allow for batch minting /// @inheritdoc ERC721Upgradeable function _ownerOf(uint256 tokenId) internal view override(ERC721Upgradeable) returns (address) { if (_burned[tokenId]) { return address(0); } else { if (tokenId > 0 && tokenId <= _counter) { address owner = ERC721Upgradeable._ownerOf(tokenId); if (owner == address(0)) { // see if can find token in a batch mint (owner,) = _getBatchInfo(tokenId); } return owner; } else { return address(0); } } } /// @notice Function to check if a token exists /// @param tokenId The token id to check function _exists(uint256 tokenId) internal view returns (bool) { return _ownerOf(tokenId) != address(0); } /// @notice Function to get if msg.sender is the token owner or delegated owner function _isTokenOwnerOrDelegate(uint256 tokenId) internal view returns (bool) { address tokenOwner = _ownerOf(tokenId); if (msg.sender == tokenOwner) { return true; } else if (address(tlNftDelegationRegistry) == address(0)) { return false; } else { return tlNftDelegationRegistry.checkDelegateForERC721(msg.sender, tokenOwner, address(this), tokenId); } } // @notice Function to get if an operator is blocked for token approvals function _isOperatorBlocked(address operator) internal view returns (bool) { if (address(blocklistRegistry) == address(0)) { return false; } else { return blocklistRegistry.getBlockListStatus(operator); } }}

File 2 of 27 : IERC4906.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC4906.sol)pragma solidity ^0.8.20;import {IERC165} from "./IERC165.sol";import {IERC721} from "./IERC721.sol";/// @title EIP-721 Metadata Update Extensioninterface IERC4906 is IERC165, IERC721 { /// @dev This event emits when the metadata of a token is changed. /// So that the third-party platforms such as NFT market could /// timely update the images and related attributes of the NFT. event MetadataUpdate(uint256 _tokenId); /// @dev This event emits when the metadata of a range of tokens is changed. /// So that the third-party platforms such as NFT market could /// timely update the images and related attributes of the NFTs. event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);}

File 3 of 27 : Strings.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol)pragma solidity ^0.8.20;import {Math} from "./math/Math.sol";import {SignedMath} from "./math/SignedMath.sol";/** * @dev String operations. */library Strings { bytes16 private constant HEX_DIGITS = "0123456789abcdef"; uint8 private constant ADDRESS_LENGTH = 20; /** * @dev The `value` string doesn't fit in the specified `length`. */ error StringsInsufficientHexLength(uint256 value, uint256 length); /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), HEX_DIGITS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toStringSigned(int256 value) internal pure returns (string memory) { return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { uint256 localValue = value; bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = HEX_DIGITS[localValue & 0xf]; localValue >>= 4; } if (localValue != 0) { revert StringsInsufficientHexLength(value, length); } return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal * representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b)); }}

File 4 of 27 : ERC721Upgradeable.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/ERC721.sol)pragma solidity ^0.8.20;import {IERC721} from "@openzeppelin/contracts/token/ERC721/IERC721.sol";import {IERC721Receiver} from "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";import {IERC721Metadata} from "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol";import {ContextUpgradeable} from "../../utils/ContextUpgradeable.sol";import {Strings} from "@openzeppelin/contracts/utils/Strings.sol";import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";import {ERC165Upgradeable} from "../../utils/introspection/ERC165Upgradeable.sol";import {IERC721Errors} from "@openzeppelin/contracts/interfaces/draft-IERC6093.sol";import {Initializable} from "../../proxy/utils/Initializable.sol";/** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */abstract contract ERC721Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721, IERC721Metadata, IERC721Errors { using Strings for uint256; /// @custom:storage-location erc7201:openzeppelin.storage.ERC721 struct ERC721Storage { // Token name string _name; // Token symbol string _symbol; mapping(uint256 tokenId => address) _owners; mapping(address owner => uint256) _balances; mapping(uint256 tokenId => address) _tokenApprovals; mapping(address owner => mapping(address operator => bool)) _operatorApprovals; } // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ERC721")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant ERC721StorageLocation = 0x80bb2b638cc20bc4d0a60d66940f3ab4a00c1d7b313497ca82fb0b4ab0079300; function _getERC721Storage() private pure returns (ERC721Storage storage $) { assembly { $.slot := ERC721StorageLocation } } /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ function __ERC721_init(string memory name_, string memory symbol_) internal onlyInitializing { __ERC721_init_unchained(name_, symbol_); } function __ERC721_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing { ERC721Storage storage $ = _getERC721Storage(); $._name = name_; $._symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual returns (uint256) { ERC721Storage storage $ = _getERC721Storage(); if (owner == address(0)) { revert ERC721InvalidOwner(address(0)); } return $._balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual returns (address) { return _requireOwned(tokenId); } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual returns (string memory) { ERC721Storage storage $ = _getERC721Storage(); return $._name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual returns (string memory) { ERC721Storage storage $ = _getERC721Storage(); return $._symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual returns (string memory) { _requireOwned(tokenId); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string.concat(baseURI, tokenId.toString()) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual { _approve(to, tokenId, _msgSender()); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual returns (address) { _requireOwned(tokenId); return _getApproved(tokenId); } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual returns (bool) { ERC721Storage storage $ = _getERC721Storage(); return $._operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom(address from, address to, uint256 tokenId) public virtual { if (to == address(0)) { revert ERC721InvalidReceiver(address(0)); } // Setting an "auth" arguments enables the `_isAuthorized` check which verifies that the token exists // (from != 0). Therefore, it is not needed to verify that the return value is not 0 here. address previousOwner = _update(to, tokenId, _msgSender()); if (previousOwner != from) { revert ERC721IncorrectOwner(from, tokenId, previousOwner); } } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom(address from, address to, uint256 tokenId) public { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual { transferFrom(from, to, tokenId); _checkOnERC721Received(from, to, tokenId, data); } /** * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist * * IMPORTANT: Any overrides to this function that add ownership of tokens not tracked by the * core ERC721 logic MUST be matched with the use of {_increaseBalance} to keep balances * consistent with ownership. The invariant to preserve is that for any address `a` the value returned by * `balanceOf(a)` must be equal to the number of tokens such that `_ownerOf(tokenId)` is `a`. */ function _ownerOf(uint256 tokenId) internal view virtual returns (address) { ERC721Storage storage $ = _getERC721Storage(); return $._owners[tokenId]; } /** * @dev Returns the approved address for `tokenId`. Returns 0 if `tokenId` is not minted. */ function _getApproved(uint256 tokenId) internal view virtual returns (address) { ERC721Storage storage $ = _getERC721Storage(); return $._tokenApprovals[tokenId]; } /** * @dev Returns whether `spender` is allowed to manage `owner`'s tokens, or `tokenId` in * particular (ignoring whether it is owned by `owner`). * * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this * assumption. */ function _isAuthorized(address owner, address spender, uint256 tokenId) internal view virtual returns (bool) { return spender != address(0) && (owner == spender || isApprovedForAll(owner, spender) || _getApproved(tokenId) == spender); } /** * @dev Checks if `spender` can operate on `tokenId`, assuming the provided `owner` is the actual owner. * Reverts if `spender` does not have approval from the provided `owner` for the given token or for all its assets * the `spender` for the specific `tokenId`. * * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this * assumption. */ function _checkAuthorized(address owner, address spender, uint256 tokenId) internal view virtual { if (!_isAuthorized(owner, spender, tokenId)) { if (owner == address(0)) { revert ERC721NonexistentToken(tokenId); } else { revert ERC721InsufficientApproval(spender, tokenId); } } } /** * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override. * * NOTE: the value is limited to type(uint128).max. This protect against _balance overflow. It is unrealistic that * a uint256 would ever overflow from increments when these increments are bounded to uint128 values. * * WARNING: Increasing an account's balance using this function tends to be paired with an override of the * {_ownerOf} function to resolve the ownership of the corresponding tokens so that balances and ownership * remain consistent with one another. */ function _increaseBalance(address account, uint128 value) internal virtual { ERC721Storage storage $ = _getERC721Storage(); unchecked { $._balances[account] += value; } } /** * @dev Transfers `tokenId` from its current owner to `to`, or alternatively mints (or burns) if the current owner * (or `to`) is the zero address. Returns the owner of the `tokenId` before the update. * * The `auth` argument is optional. If the value passed is non 0, then this function will check that * `auth` is either the owner of the token, or approved to operate on the token (by the owner). * * Emits a {Transfer} event. * * NOTE: If overriding this function in a way that tracks balances, see also {_increaseBalance}. */ function _update(address to, uint256 tokenId, address auth) internal virtual returns (address) { ERC721Storage storage $ = _getERC721Storage(); address from = _ownerOf(tokenId); // Perform (optional) operator check if (auth != address(0)) { _checkAuthorized(from, auth, tokenId); } // Execute the update if (from != address(0)) { // Clear approval. No need to re-authorize or emit the Approval event _approve(address(0), tokenId, address(0), false); unchecked { $._balances[from] -= 1; } } if (to != address(0)) { unchecked { $._balances[to] += 1; } } $._owners[tokenId] = to; emit Transfer(from, to, tokenId); return from; } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal { if (to == address(0)) { revert ERC721InvalidReceiver(address(0)); } address previousOwner = _update(to, tokenId, address(0)); if (previousOwner != address(0)) { revert ERC721InvalidSender(address(0)); } } /** * @dev Mints `tokenId`, transfers it to `to` and checks for `to` acceptance. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint(address to, uint256 tokenId, bytes memory data) internal virtual { _mint(to, tokenId); _checkOnERC721Received(address(0), to, tokenId, data); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * This is an internal function that does not check if the sender is authorized to operate on the token. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal { address previousOwner = _update(address(0), tokenId, address(0)); if (previousOwner == address(0)) { revert ERC721NonexistentToken(tokenId); } } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer(address from, address to, uint256 tokenId) internal { if (to == address(0)) { revert ERC721InvalidReceiver(address(0)); } address previousOwner = _update(to, tokenId, address(0)); if (previousOwner == address(0)) { revert ERC721NonexistentToken(tokenId); } else if (previousOwner != from) { revert ERC721IncorrectOwner(from, tokenId, previousOwner); } } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking that contract recipients * are aware of the ERC721 standard to prevent tokens from being forever locked. * * `data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is like {safeTransferFrom} in the sense that it invokes * {IERC721Receiver-onERC721Received} on the receiver, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `tokenId` token must exist and be owned by `from`. * - `to` cannot be the zero address. * - `from` cannot be the zero address. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer(address from, address to, uint256 tokenId) internal { _safeTransfer(from, to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeTransfer-address-address-uint256-}[`_safeTransfer`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeTransfer(address from, address to, uint256 tokenId, bytes memory data) internal virtual { _transfer(from, to, tokenId); _checkOnERC721Received(from, to, tokenId, data); } /** * @dev Approve `to` to operate on `tokenId` * * The `auth` argument is optional. If the value passed is non 0, then this function will check that `auth` is * either the owner of the token, or approved to operate on all tokens held by this owner. * * Emits an {Approval} event. * * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument. */ function _approve(address to, uint256 tokenId, address auth) internal { _approve(to, tokenId, auth, true); } /** * @dev Variant of `_approve` with an optional flag to enable or disable the {Approval} event. The event is not * emitted in the context of transfers. */ function _approve(address to, uint256 tokenId, address auth, bool emitEvent) internal virtual { ERC721Storage storage $ = _getERC721Storage(); // Avoid reading the owner unless necessary if (emitEvent || auth != address(0)) { address owner = _requireOwned(tokenId); // We do not use _isAuthorized because single-token approvals should not be able to call approve if (auth != address(0) && owner != auth && !isApprovedForAll(owner, auth)) { revert ERC721InvalidApprover(auth); } if (emitEvent) { emit Approval(owner, to, tokenId); } } $._tokenApprovals[tokenId] = to; } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Requirements: * - operator can't be the address zero. * * Emits an {ApprovalForAll} event. */ function _setApprovalForAll(address owner, address operator, bool approved) internal virtual { ERC721Storage storage $ = _getERC721Storage(); if (operator == address(0)) { revert ERC721InvalidOperator(operator); } $._operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Reverts if the `tokenId` doesn't have a current owner (it hasn't been minted, or it has been burned). * Returns the owner. * * Overrides to ownership logic should be done to {_ownerOf}. */ function _requireOwned(uint256 tokenId) internal view returns (address) { address owner = _ownerOf(tokenId); if (owner == address(0)) { revert ERC721NonexistentToken(tokenId); } return owner; } /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target address. This will revert if the * recipient doesn't accept the token transfer. The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param data bytes optional data to send along with the call */ function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory data) private { if (to.code.length > 0) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { if (retval != IERC721Receiver.onERC721Received.selector) { revert ERC721InvalidReceiver(to); } } catch (bytes memory reason) { if (reason.length == 0) { revert ERC721InvalidReceiver(to); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } }}

File 5 of 27 : OwnableAccessControlUpgradeable.sol

// SPDX-License-Identifier: MITpragma solidity ^0.8.20;import {OwnableUpgradeable} from "openzeppelin-upgradeable/access/OwnableUpgradeable.sol";import {EnumerableSet} from "openzeppelin/utils/structs/EnumerableSet.sol";/// @title OwnableAccessControlUpgradeable.sol/// @notice Single owner, flexible access control mechanics/// @dev Can easily be extended by inheriting and applying additional roles/// @dev By default, only the owner can grant roles but by inheriting, but you/// may allow other roles to grant roles by using the internal helper./// @author transientlabs.xyz/// @custom:version 3.0.0abstract contract OwnableAccessControlUpgradeable is OwnableUpgradeable { /*////////////////////////////////////////////////////////////////////////// Types //////////////////////////////////////////////////////////////////////////*/ using EnumerableSet for EnumerableSet.AddressSet; /*////////////////////////////////////////////////////////////////////////// Storage //////////////////////////////////////////////////////////////////////////*/ /// @custom:storage-location erc7201:transientlabs.storage.OwnableAccessControl struct OwnableAccessControlStorage { uint256 c; // counter to be able to revoke all priviledges mapping(uint256 => mapping(bytes32 => mapping(address => bool))) roleStatus; mapping(uint256 => mapping(bytes32 => EnumerableSet.AddressSet)) roleMembers; } // keccak256(abi.encode(uint256(keccak256("transientlabs.storage.OwnableAccessControl")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant OwnableAccessControlStorageLocation = 0x0d0469b3d32e63681b9fc586a5627ad5e70b3d1ad20f31767e4b6c4141c7e300; function _getOwnableAccessControlStorage() private pure returns (OwnableAccessControlStorage storage $) { assembly { $.slot := OwnableAccessControlStorageLocation } } /*////////////////////////////////////////////////////////////////////////// Events //////////////////////////////////////////////////////////////////////////*/ /// @param from Address that authorized the role change /// @param user The address who's role has been changed /// @param approved Boolean indicating the user's status in role /// @param role The bytes32 role created in the inheriting contract event RoleChange(address indexed from, address indexed user, bool indexed approved, bytes32 role); /// @param from Address that authorized the revoke event AllRolesRevoked(address indexed from); /*////////////////////////////////////////////////////////////////////////// Errors //////////////////////////////////////////////////////////////////////////*/ /// @dev Does not have specified role error NotSpecifiedRole(bytes32 role); /// @dev Is not specified role or owner error NotRoleOrOwner(bytes32 role); /*////////////////////////////////////////////////////////////////////////// Modifiers //////////////////////////////////////////////////////////////////////////*/ modifier onlyRole(bytes32 role) { if (!hasRole(role, msg.sender)) { revert NotSpecifiedRole(role); } _; } modifier onlyRoleOrOwner(bytes32 role) { if (!hasRole(role, msg.sender) && owner() != msg.sender) { revert NotRoleOrOwner(role); } _; } /*////////////////////////////////////////////////////////////////////////// Initializer //////////////////////////////////////////////////////////////////////////*/ /// @param initOwner The address of the initial owner function __OwnableAccessControl_init(address initOwner) internal onlyInitializing { __Ownable_init(initOwner); __OwnableAccessControl_init_unchained(); } function __OwnableAccessControl_init_unchained() internal onlyInitializing {} /*////////////////////////////////////////////////////////////////////////// External Role Functions //////////////////////////////////////////////////////////////////////////*/ /// @notice Function to revoke all roles currently present /// @dev Increments the `_c` variables /// @dev Requires owner privileges function revokeAllRoles() external onlyOwner { OwnableAccessControlStorage storage $ = _getOwnableAccessControlStorage(); $.c++; emit AllRolesRevoked(msg.sender); } /// @notice Function to renounce role /// @param role Bytes32 role created in inheriting contracts function renounceRole(bytes32 role) external { address[] memory members = new address[](1); members[0] = msg.sender; _setRole(role, members, false); } /// @notice Function to grant/revoke a role to an address /// @dev Requires owner to call this function but this may be further /// extended using the internal helper function in inheriting contracts /// @param role Bytes32 role created in inheriting contracts /// @param roleMembers List of addresses that should have roles attached to them based on `status` /// @param status Bool whether to remove or add `roleMembers` to the `role` function setRole(bytes32 role, address[] memory roleMembers, bool status) external onlyOwner { _setRole(role, roleMembers, status); } /*////////////////////////////////////////////////////////////////////////// External View Functions //////////////////////////////////////////////////////////////////////////*/ /// @notice Function to see if an address is the owner /// @param role Bytes32 role created in inheriting contracts /// @param potentialRoleMember Address to check for role membership function hasRole(bytes32 role, address potentialRoleMember) public view returns (bool) { OwnableAccessControlStorage storage $ = _getOwnableAccessControlStorage(); return $.roleStatus[$.c][role][potentialRoleMember]; } /// @notice Function to get role members /// @param role Bytes32 role created in inheriting contracts function getRoleMembers(bytes32 role) public view returns (address[] memory) { OwnableAccessControlStorage storage $ = _getOwnableAccessControlStorage(); return $.roleMembers[$.c][role].values(); } /*////////////////////////////////////////////////////////////////////////// Internal Helper Functions //////////////////////////////////////////////////////////////////////////*/ /// @notice Helper function to set addresses for a role /// @param role Bytes32 role created in inheriting contracts /// @param roleMembers List of addresses that should have roles attached to them based on `status` /// @param status Bool whether to remove or add `roleMembers` to the `role` function _setRole(bytes32 role, address[] memory roleMembers, bool status) internal { OwnableAccessControlStorage storage $ = _getOwnableAccessControlStorage(); for (uint256 i = 0; i < roleMembers.length; i++) { $.roleStatus[$.c][role][roleMembers[i]] = status; if (status) { $.roleMembers[$.c][role].add(roleMembers[i]); } else { $.roleMembers[$.c][role].remove(roleMembers[i]); } emit RoleChange(msg.sender, roleMembers[i], status, role); } }}

File 6 of 27 : EIP2981TLUpgradeable.sol

// SPDX-License-Identifier: MITpragma solidity ^0.8.20;import {ERC165Upgradeable} from "openzeppelin-upgradeable/utils/introspection/ERC165Upgradeable.sol";import {IEIP2981} from "../../royalties/IEIP2981.sol";/// @title EIP2981TLUpgradeable.sol/// @notice Abstract contract to define a default royalty spec/// while allowing for specific token overrides/// @dev Follows EIP-2981 (https://eips.ethereum.org/EIPS/eip-2981)/// @author transientlabs.xyz/// @custom:version 3.1.0abstract contract EIP2981TLUpgradeable is IEIP2981, ERC165Upgradeable { /*////////////////////////////////////////////////////////////////////////// Types //////////////////////////////////////////////////////////////////////////*/ struct RoyaltySpec { address recipient; uint256 percentage; } /*////////////////////////////////////////////////////////////////////////// Storage //////////////////////////////////////////////////////////////////////////*/ /// @custom:storage-location erc7201:transientlabs.storage.EIP2981TLStorage struct EIP2981TLStorage { address defaultRecipient; uint256 defaultPercentage; mapping(uint256 => RoyaltySpec) tokenOverrides; } // keccak256(abi.encode(uint256(keccak256("transientlabs.storage.EIP2981TLStorage")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant EIP2981TLStorageLocation = 0xe9db8e9b56f2e28e12956850f386d9a4c1e886a4f584b61a10a9d0cacee70700; function _getEIP2981TLStorage() private pure returns (EIP2981TLStorage storage $) { assembly { $.slot := EIP2981TLStorageLocation } } /*////////////////////////////////////////////////////////////////////////// Constants //////////////////////////////////////////////////////////////////////////*/ uint256 public constant BASIS = 10_000; /*////////////////////////////////////////////////////////////////////////// Events //////////////////////////////////////////////////////////////////////////*/ /// @dev Event to emit when the default roylaty is updated event DefaultRoyaltyUpdate(address indexed sender, address newRecipient, uint256 newPercentage); /// @dev Event to emit when a token royalty is overriden event TokenRoyaltyOverride(address indexed sender, uint256 indexed tokenId, address newRecipient, uint256 newPercentage); /*////////////////////////////////////////////////////////////////////////// Errors //////////////////////////////////////////////////////////////////////////*/ /// @dev error if the recipient is set to address(0) error ZeroAddressError(); /// @dev error if the royalty percentage is greater than to 100% error MaxRoyaltyError(); /*////////////////////////////////////////////////////////////////////////// Initializer //////////////////////////////////////////////////////////////////////////*/ /// @notice Function to initialize the contract /// @param defaultRecipient The default royalty payout address /// @param defaultPercentage The deafult royalty percentage, out of 10,000 function __EIP2981TL_init(address defaultRecipient, uint256 defaultPercentage) internal onlyInitializing { __EIP2981TL_init_unchained(defaultRecipient, defaultPercentage); } /// @notice Unchained function to initialize the contract /// @param defaultRecipient The default royalty payout address /// @param defaultPercentage The deafult royalty percentage, out of 10,000 function __EIP2981TL_init_unchained(address defaultRecipient, uint256 defaultPercentage) internal onlyInitializing { _setDefaultRoyaltyInfo(defaultRecipient, defaultPercentage); } /*////////////////////////////////////////////////////////////////////////// Royalty Changing Functions //////////////////////////////////////////////////////////////////////////*/ /// @notice Function to set default royalty info /// @param newRecipient The new default royalty payout address /// @param newPercentage The new default royalty percentage, out of 10,000 function _setDefaultRoyaltyInfo(address newRecipient, uint256 newPercentage) internal { EIP2981TLStorage storage $ = _getEIP2981TLStorage(); if (newRecipient == address(0)) revert ZeroAddressError(); if (newPercentage > 10_000) revert MaxRoyaltyError(); $.defaultRecipient = newRecipient; $.defaultPercentage = newPercentage; emit DefaultRoyaltyUpdate(msg.sender, newRecipient, newPercentage); } /// @notice Function to override royalty spec on a specific token /// @param tokenId The token id to override royalty for /// @param newRecipient The new royalty payout address /// @param newPercentage The new royalty percentage, out of 10,000 function _overrideTokenRoyaltyInfo(uint256 tokenId, address newRecipient, uint256 newPercentage) internal { EIP2981TLStorage storage $ = _getEIP2981TLStorage(); if (newRecipient == address(0)) revert ZeroAddressError(); if (newPercentage > 10_000) revert MaxRoyaltyError(); $.tokenOverrides[tokenId].recipient = newRecipient; $.tokenOverrides[tokenId].percentage = newPercentage; emit TokenRoyaltyOverride(msg.sender, tokenId, newRecipient, newPercentage); } /*////////////////////////////////////////////////////////////////////////// Royalty Info //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc IEIP2981 function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount) { EIP2981TLStorage storage $ = _getEIP2981TLStorage(); address recipient = $.defaultRecipient; uint256 percentage = $.defaultPercentage; if ($.tokenOverrides[tokenId].recipient != address(0)) { recipient = $.tokenOverrides[tokenId].recipient; percentage = $.tokenOverrides[tokenId].percentage; } return (recipient, salePrice * percentage / BASIS); } /*////////////////////////////////////////////////////////////////////////// ERC-165 Override //////////////////////////////////////////////////////////////////////////*/ /// @inheritdoc ERC165Upgradeable function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable) returns (bool) { return interfaceId == type(IEIP2981).interfaceId || ERC165Upgradeable.supportsInterface(interfaceId); } /*////////////////////////////////////////////////////////////////////////// External View Functions //////////////////////////////////////////////////////////////////////////*/ /// @notice Query the default royalty receiver and percentage. /// @return Tuple containing the default royalty recipient and percentage out of 10_000 function getDefaultRoyaltyRecipientAndPercentage() external view returns (address, uint256) { EIP2981TLStorage storage $ = _getEIP2981TLStorage(); return ($.defaultRecipient, $.defaultPercentage); }}

File 7 of 27 : IERC721TL.sol

// SPDX-License-Identifier: MITpragma solidity 0.8.22;/// @title IERC721TL.sol/// @notice Interface for ERC721TL/// @dev Interface id = 0xc74089ae/// @author transientlabs.xyz/// @custom:version 3.0.0interface IERC721TL { /*////////////////////////////////////////////////////////////////////////// Functions //////////////////////////////////////////////////////////////////////////*/ /// @notice Function to mint a single token /// @dev Requires owner or admin /// @param recipient The recipient of the token - assumed as able to receive 721 tokens /// @param uri The token uri to mint function mint(address recipient, string calldata uri) external; /// @notice Function to mint a single token with specific token royalty /// @dev Requires owner or admin /// @param recipient The recipient of the token - assumed as able to receive 721 tokens /// @param uri The token uri to mint /// @param royaltyAddress Royalty payout address for this new token /// @param royaltyPercent Royalty percentage for this new token function mint(address recipient, string calldata uri, address royaltyAddress, uint256 royaltyPercent) external; /// @notice Function to batch mint tokens /// @dev Requires owner or admin /// @dev The `baseUri` folder should have the same number of json files in it as `numTokens` /// @dev The `baseUri` folder should have files named without any file extension /// @param recipient The recipient of the token - assumed as able to receive 721 tokens /// @param numTokens Number of tokens in the batch mint /// @param baseUri The base uri for the batch, expecting json to be in order, starting at file name 0, and SHOULD NOT have a trailing `/` function batchMint(address recipient, uint128 numTokens, string calldata baseUri) external; /// @notice Function to airdrop tokens to addresses /// @dev Requires owner or admin /// @dev Utilizes batch mint token uri values to save some gas but still ultimately mints individual tokens to people /// @dev The `baseUri` folder should have the same number of json files in it as addresses in `addresses` /// @dev The `baseUri` folder should have files named without any file extension /// @param addresses Dynamic array of addresses to mint to /// @param baseUri The base uri for the batch, expecting json to be in order, starting at file name 0, and SHOULD NOT have a trailing `/` function airdrop(address[] calldata addresses, string calldata baseUri) external; /// @notice Function to allow an approved mint contract to mint /// @dev Requires the caller to be an approved mint contract /// @param recipient The recipient of the token - assumed as able to receive 721 tokens /// @param uri The token uri to mint function externalMint(address recipient, string calldata uri) external; /// @notice Function to burn a token /// @dev Caller must be approved or owner of the token /// @param tokenId The token to burn function burn(uint256 tokenId) external;}

File 8 of 27 : IBlockListRegistry.sol

// SPDX-License-Identifier: MITpragma solidity ^0.8.19;/// @title BlockList Registry/// @notice Interface for the BlockListRegistry Contract/// @author transientlabs.xyz/// @custom:version 4.0.3interface IBlockListRegistry { /*////////////////////////////////////////////////////////////////////////// Events //////////////////////////////////////////////////////////////////////////*/ event BlockListStatusChange(address indexed user, address indexed operator, bool indexed status); event BlockListCleared(address indexed user); /*////////////////////////////////////////////////////////////////////////// Public Read Functions //////////////////////////////////////////////////////////////////////////*/ /// @notice Function to get blocklist status with True meaning that the operator is blocked /// @param operator The operator in question to check against the blocklist function getBlockListStatus(address operator) external view returns (bool); /*////////////////////////////////////////////////////////////////////////// Public Write Functions //////////////////////////////////////////////////////////////////////////*/ /// @notice Function to set the block list status for multiple operators /// @dev Must be called by the blockList owner /// @param operators An address array of operators to set a status for /// @param status The status to set for all `operators` function setBlockListStatus(address[] calldata operators, bool status) external; /// @notice Function to clear the block list status /// @dev Must be called by the blockList owner function clearBlockList() external;}

File 9 of 27 : ICreatorBase.sol

// SPDX-License-Identifier: MITpragma solidity 0.8.22;import {IBlockListRegistry} from "src/interfaces/IBlockListRegistry.sol";import {ITLNftDelegationRegistry} from "src/interfaces/ITLNftDelegationRegistry.sol";/// @title ICreatorBase.sol/// @notice Base interface for creator contracts/// @dev Interface id = 0x1c8e024d/// @author transientlabs.xyz/// @custom:version 3.0.0interface ICreatorBase { /*////////////////////////////////////////////////////////////////////////// Events //////////////////////////////////////////////////////////////////////////*/ /// @dev Event for changing the story status event StoryStatusUpdate(address indexed sender, bool indexed status); /// @dev Event for changing the BlockList registry event BlockListRegistryUpdate( address indexed sender, address indexed prevBlockListRegistry, address indexed newBlockListRegistry ); /// @dev Event for changing the NFT Delegation registry event NftDelegationRegistryUpdate( address indexed sender, address indexed prevNftDelegationRegistry, address indexed newNftDelegationRegistry ); /*////////////////////////////////////////////////////////////////////////// Functions //////////////////////////////////////////////////////////////////////////*/ /// @notice Function to get total supply minted so far function totalSupply() external view returns (uint256); /// @notice Function to set approved mint contracts /// @dev Access to owner or admin /// @param minters Array of minters to grant approval to /// @param status Status for the minters function setApprovedMintContracts(address[] calldata minters, bool status) external; /// @notice Function to change the blocklist registry /// @dev Access to owner or admin /// @param newBlockListRegistry The new blocklist registry function setBlockListRegistry(address newBlockListRegistry) external; /// @notice Function to get the blocklist registry function blocklistRegistry() external view returns (IBlockListRegistry); /// @notice Function to change the TL NFT delegation registry /// @dev Access to owner or admin /// @param newNftDelegationRegistry The new blocklist registry function setNftDelegationRegistry(address newNftDelegationRegistry) external; /// @notice Function to get the delegation registry function tlNftDelegationRegistry() external view returns (ITLNftDelegationRegistry); /// @notice Function to set the default royalty specification /// @dev Requires owner or admin /// @param newRecipient The new royalty payout address /// @param newPercentage The new royalty percentage in basis (out of 10,000) function setDefaultRoyalty(address newRecipient, uint256 newPercentage) external; /// @notice Function to override a token's royalty info /// @dev Requires owner or admin /// @param tokenId The token to override royalty for /// @param newRecipient The new royalty payout address for the token id /// @param newPercentage The new royalty percentage in basis (out of 10,000) for the token id function setTokenRoyalty(uint256 tokenId, address newRecipient, uint256 newPercentage) external; /// @notice Function to enable or disable collector story inscriptions /// @dev Requires owner or admin /// @param status The status to set for collector story inscriptions function setStoryStatus(bool status) external; /// @notice Function to get the status of collector stories /// @return bool Status of collector stories being enabled function storyEnabled() external view returns (bool);}

File 10 of 27 : IStory.sol

// SPDX-License-Identifier: MITpragma solidity ^0.8.20;/// @title Transient Labs Story Inscriptions Interface/// @dev Interface id: 0x2464f17b/// @dev Previous interface id that is still supported: 0x0d23ecb9/// @author transientlabs.xyz/// @custom:version 6.0.0interface IStory { /*////////////////////////////////////////////////////////////////////////// Events //////////////////////////////////////////////////////////////////////////*/ /// @notice Event describing a collection story getting added to a contract /// @dev This event stories creator stories on chain in the event log that apply to an entire collection /// @param creatorAddress The address of the creator of the collection /// @param creatorName String representation of the creator's name /// @param story The story written and attached to the collection event CollectionStory(address indexed creatorAddress, string creatorName, string story); /// @notice Event describing a creator story getting added to a token /// @dev This events stores creator stories on chain in the event log /// @param tokenId The token id to which the story is attached /// @param creatorAddress The address of the creator of the token /// @param creatorName String representation of the creator's name /// @param story The story written and attached to the token id event CreatorStory(uint256 indexed tokenId, address indexed creatorAddress, string creatorName, string story); /// @notice Event describing a collector story getting added to a token /// @dev This events stores collector stories on chain in the event log /// @param tokenId The token id to which the story is attached /// @param collectorAddress The address of the collector of the token /// @param collectorName String representation of the collectors's name /// @param story The story written and attached to the token id event Story(uint256 indexed tokenId, address indexed collectorAddress, string collectorName, string story); /*////////////////////////////////////////////////////////////////////////// Story Functions //////////////////////////////////////////////////////////////////////////*/ /// @notice Function to let the creator add a story to the collection they have created /// @dev Depending on the implementation, this function may be restricted in various ways, such as /// limiting the number of times the creator may write a story. /// @dev This function MUST emit the CollectionStory event each time it is called /// @dev This function MUST implement logic to restrict access to only the creator /// @param creatorName String representation of the creator's name /// @param story The story written and attached to the token id function addCollectionStory(string calldata creatorName, string calldata story) external; /// @notice Function to let the creator add a story to any token they have created /// @dev Depending on the implementation, this function may be restricted in various ways, such as /// limiting the number of times the creator may write a story. /// @dev This function MUST emit the CreatorStory event each time it is called /// @dev This function MUST implement logic to restrict access to only the creator /// @dev This function MUST revert if a story is written to a non-existent token /// @param tokenId The token id to which the story is attached /// @param creatorName String representation of the creator's name /// @param story The story written and attached to the token id function addCreatorStory(uint256 tokenId, string calldata creatorName, string calldata story) external; /// @notice Function to let collectors add a story to any token they own /// @dev Depending on the implementation, this function may be restricted in various ways, such as /// limiting the number of times a collector may write a story. /// @dev This function MUST emit the Story event each time it is called /// @dev This function MUST implement logic to restrict access to only the owner of the token /// @dev This function MUST revert if a story is written to a non-existent token /// @param tokenId The token id to which the story is attached /// @param collectorName String representation of the collectors's name /// @param story The story written and attached to the token id function addStory(uint256 tokenId, string calldata collectorName, string calldata story) external;}

File 11 of 27 : ISynergy.sol

// SPDX-License-Identifier: MITpragma solidity 0.8.22;/// @title ISynergy.sol/// @notice Interface for Synergy/// @dev Interface id = 0x8193ebea/// @author transientlabs.xyz/// @custom:version 3.0.0interface ISynergy { /*////////////////////////////////////////////////////////////////////////// Types //////////////////////////////////////////////////////////////////////////*/ /// @dev Enum defining Synergy actions enum SynergyAction { Created, Accepted, Rejected } /*////////////////////////////////////////////////////////////////////////// Events //////////////////////////////////////////////////////////////////////////*/ /// @dev Event for changing the status of a proposed metadata update. event SynergyStatusChange(address indexed from, uint256 indexed tokenId, SynergyAction indexed action, string uri); /*////////////////////////////////////////////////////////////////////////// Functions //////////////////////////////////////////////////////////////////////////*/ /// @notice Function to propose a token uri update for a specific token /// @dev Requires owner or admin /// @dev If the owner of the contract is the owner of the token, the change takes hold right away /// @dev MUST emit a `MetadataUpdate` event if the owner of the token is the owner of the contract /// @dev MUST emit a `SynergyStatusChange` event if the owner of the token is not the owner of the contract /// @param tokenId The token to propose new metadata for /// @param newUri The new token uri proposed function proposeNewTokenUri(uint256 tokenId, string calldata newUri) external; /// @notice Function to accept a proposed token uri update for a specific token /// @dev Requires owner of the token or delegate to call the function /// @dev MUST emit a `SynergyStatusChange` event /// @param tokenId The token to accept the metadata update for function acceptTokenUriUpdate(uint256 tokenId) external; /// @notice Function to reject a proposed token uri update for a specific token /// @dev Requires owner of the token or delegate to call the function /// @dev MUST emit a `SynergyStatusChange` event /// @param tokenId The token to reject the metadata update for function rejectTokenUriUpdate(uint256 tokenId) external;}

File 12 of 27 : ITLNftDelegationRegistry.sol

// SPDX-License-Identifier: MITpragma solidity ^0.8.20;/// @title ITLNftDelegationRegistry.sol/// @notice Interface for the TL NFT Delegation Registry/// @author transientlabs.xyz/// @custom:version 1.0.0interface ITLNftDelegationRegistry { /// @notice Function to check if an address is delegated for a vault for an ERC-721 token /// @dev This function does not ensure the vault is the current owner of the token /// @dev This function SHOULD return `True` if the delegate is delegated for the vault whether it's on the token level, contract level, or wallet level (all) /// @param delegate The address to check for delegation status /// @param vault The vault address to check against /// @param nftContract The nft contract address to check /// @param tokenId The token id to check against /// @return bool `True` is delegated, `False` if not function checkDelegateForERC721(address delegate, address vault, address nftContract, uint256 tokenId) external view returns (bool); /// @notice Function to check if an address is delegated for a vault for an ERC-1155 token /// @dev This function does not ensure the vault has a balance of the token in question /// @dev This function SHOULD return `True` if the delegate is delegated for the vault whether it's on the token level, contract level, or wallet level (all) /// @param delegate The address to check for delegation status /// @param vault The vault address to check against /// @param nftContract The nft contract address to check /// @param tokenId The token id to check against /// @return bool `True` is delegated, `False` if not function checkDelegateForERC1155(address delegate, address vault, address nftContract, uint256 tokenId) external view returns (bool);}

File 13 of 27 : IERC165.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)pragma solidity ^0.8.20;import {IERC165} from "../utils/introspection/IERC165.sol";

File 14 of 27 : IERC721.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC721.sol)pragma solidity ^0.8.20;import {IERC721} from "../token/ERC721/IERC721.sol";

File 15 of 27 : Math.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)pragma solidity ^0.8.20;/** * @dev Standard math utilities missing in the Solidity language. */library Math { /** * @dev Muldiv operation overflow. */ error MathOverflowedMulDiv(); enum Rounding { Floor, // Toward negative infinity Ceil, // Toward positive infinity Trunc, // Toward zero Expand // Away from zero } /** * @dev Returns the addition of two unsigned integers, with an overflow flag. */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an overflow flag. */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds towards infinity instead * of rounding towards zero. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { if (b == 0) { // Guarantee the same behavior as in a regular Solidity division. return a / b; } // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or * denominator == 0. * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by * Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0 = x * y; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. if (denominator <= prod1) { revert MathOverflowedMulDiv(); } /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. // Always >= 1. See https://cs.stackexchange.com/q/138556/92363. uint256 twos = denominator & (0 - denominator); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also // works in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded * towards zero. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256 of a positive value rounded towards zero. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0); } } /** * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers. */ function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) { return uint8(rounding) % 2 == 1; }}

File 16 of 27 : SignedMath.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol)pragma solidity ^0.8.20;/** * @dev Standard signed math utilities missing in the Solidity language. */library SignedMath { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } }}

File 17 of 27 : IERC721.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721.sol)pragma solidity ^0.8.20;import {IERC165} from "../../utils/introspection/IERC165.sol";/** * @dev Required interface of an ERC721 compliant contract. */interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon * a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or * {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon * a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 tokenId) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the address zero. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool);}

File 18 of 27 : IERC721Receiver.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721Receiver.sol)pragma solidity ^0.8.20;/** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be * reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4);}

File 19 of 27 : IERC721Metadata.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Metadata.sol)pragma solidity ^0.8.20;import {IERC721} from "../IERC721.sol";/** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory);}

File 20 of 27 : ContextUpgradeable.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)pragma solidity ^0.8.20;import {Initializable} from "../proxy/utils/Initializable.sol";/** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */abstract contract ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { } function __Context_init_unchained() internal onlyInitializing { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; }}

File 21 of 27 : IERC165.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)pragma solidity ^0.8.20;/** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool);}

File 22 of 27 : ERC165Upgradeable.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol)pragma solidity ^0.8.20;import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";import {Initializable} from "../../proxy/utils/Initializable.sol";/** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` */abstract contract ERC165Upgradeable is Initializable, IERC165 { function __ERC165_init() internal onlyInitializing { } function __ERC165_init_unchained() internal onlyInitializing { } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) { return interfaceId == type(IERC165).interfaceId; }}

File 23 of 27 : draft-IERC6093.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)pragma solidity ^0.8.20;/** * @dev Standard ERC20 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens. */interface IERC20Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC20InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC20InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers. * @param spender Address that may be allowed to operate on tokens without being their owner. * @param allowance Amount of tokens a `spender` is allowed to operate with. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC20InvalidApprover(address approver); /** * @dev Indicates a failure with the `spender` to be approved. Used in approvals. * @param spender Address that may be allowed to operate on tokens without being their owner. */ error ERC20InvalidSpender(address spender);}/** * @dev Standard ERC721 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens. */interface IERC721Errors { /** * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20. * Used in balance queries. * @param owner Address of the current owner of a token. */ error ERC721InvalidOwner(address owner); /** * @dev Indicates a `tokenId` whose `owner` is the zero address. * @param tokenId Identifier number of a token. */ error ERC721NonexistentToken(uint256 tokenId); /** * @dev Indicates an error related to the ownership over a particular token. Used in transfers. * @param sender Address whose tokens are being transferred. * @param tokenId Identifier number of a token. * @param owner Address of the current owner of a token. */ error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC721InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC721InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param tokenId Identifier number of a token. */ error ERC721InsufficientApproval(address operator, uint256 tokenId); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC721InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC721InvalidOperator(address operator);}/** * @dev Standard ERC1155 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens. */interface IERC1155Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. * @param tokenId Identifier number of a token. */ error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC1155InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC1155InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param owner Address of the current owner of a token. */ error ERC1155MissingApprovalForAll(address operator, address owner); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC1155InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC1155InvalidOperator(address operator); /** * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation. * Used in batch transfers. * @param idsLength Length of the array of token identifiers * @param valuesLength Length of the array of token amounts */ error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);}

File 24 of 27 : Initializable.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol)pragma solidity ^0.8.20;/** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in * case an upgrade adds a module that needs to be initialized. * * For example: * * [.hljs-theme-light.nopadding] * ```solidity * contract MyToken is ERC20Upgradeable { * function initialize() initializer public { * __ERC20_init("MyToken", "MTK"); * } * } * * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable { * function initializeV2() reinitializer(2) public { * __ERC20Permit_init("MyToken"); * } * } * ``` * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() { * _disableInitializers(); * } * ``` * ==== */abstract contract Initializable { /** * @dev Storage of the initializable contract. * * It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions * when using with upgradeable contracts. * * @custom:storage-location erc7201:openzeppelin.storage.Initializable */ struct InitializableStorage { /** * @dev Indicates that the contract has been initialized. */ uint64 _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool _initializing; } // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00; /** * @dev The contract is already initialized. */ error InvalidInitialization(); /** * @dev The contract is not initializing. */ error NotInitializing(); /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint64 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. * * Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any * number of times. This behavior in the constructor can be useful during testing and is not expected to be used in * production. * * Emits an {Initialized} event. */ modifier initializer() { // solhint-disable-next-line var-name-mixedcase InitializableStorage storage $ = _getInitializableStorage(); // Cache values to avoid duplicated sloads bool isTopLevelCall = !$._initializing; uint64 initialized = $._initialized; // Allowed calls: // - initialSetup: the contract is not in the initializing state and no previous version was // initialized // - construction: the contract is initialized at version 1 (no reininitialization) and the // current contract is just being deployed bool initialSetup = initialized == 0 && isTopLevelCall; bool construction = initialized == 1 && address(this).code.length == 0; if (!initialSetup && !construction) { revert InvalidInitialization(); } $._initialized = 1; if (isTopLevelCall) { $._initializing = true; } _; if (isTopLevelCall) { $._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. * * 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. * * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer` * cannot be nested. If one is invoked in the context of another, execution will revert. * * 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. * * WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization. * * Emits an {Initialized} event. */ modifier reinitializer(uint64 version) { // solhint-disable-next-line var-name-mixedcase InitializableStorage storage $ = _getInitializableStorage(); if ($._initializing || $._initialized >= version) { revert InvalidInitialization(); } $._initialized = version; $._initializing = true; _; $._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() { _checkInitializing(); _; } /** * @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}. */ function _checkInitializing() internal view virtual { if (!_isInitializing()) { revert NotInitializing(); } } /** * @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. * * Emits an {Initialized} event the first time it is successfully executed. */ function _disableInitializers() internal virtual { // solhint-disable-next-line var-name-mixedcase InitializableStorage storage $ = _getInitializableStorage(); if ($._initializing) { revert InvalidInitialization(); } if ($._initialized != type(uint64).max) { $._initialized = type(uint64).max; emit Initialized(type(uint64).max); } } /** * @dev Returns the highest version that has been initialized. See {reinitializer}. */ function _getInitializedVersion() internal view returns (uint64) { return _getInitializableStorage()._initialized; } /** * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}. */ function _isInitializing() internal view returns (bool) { return _getInitializableStorage()._initializing; } /** * @dev Returns a pointer to the storage namespace. */ // solhint-disable-next-line var-name-mixedcase function _getInitializableStorage() private pure returns (InitializableStorage storage $) { assembly { $.slot := INITIALIZABLE_STORAGE } }}

File 25 of 27 : OwnableUpgradeable.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)pragma solidity ^0.8.20;import {ContextUpgradeable} from "../utils/ContextUpgradeable.sol";import {Initializable} from "../proxy/utils/Initializable.sol";/** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * The initial owner is set to the address provided by the deployer. This can * later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable { /// @custom:storage-location erc7201:openzeppelin.storage.Ownable struct OwnableStorage { address _owner; } // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Ownable")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant OwnableStorageLocation = 0x9016d09d72d40fdae2fd8ceac6b6234c7706214fd39c1cd1e609a0528c199300; function _getOwnableStorage() private pure returns (OwnableStorage storage $) { assembly { $.slot := OwnableStorageLocation } } /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ function __Ownable_init(address initialOwner) internal onlyInitializing { __Ownable_init_unchained(initialOwner); } function __Ownable_init_unchained(address initialOwner) internal onlyInitializing { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { OwnableStorage storage $ = _getOwnableStorage(); return $._owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { OwnableStorage storage $ = _getOwnableStorage(); address oldOwner = $._owner; $._owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); }}

File 26 of 27 : EnumerableSet.sol

// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/EnumerableSet.sol)// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.pragma solidity ^0.8.20;/** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ```solidity * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. * * [WARNING] * ==== * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure * unusable. * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info. * * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an * array of EnumerableSet. * ==== */library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position is the index of the value in the `values` array plus 1. // Position 0 is used to mean a value is not in the set. mapping(bytes32 value => uint256) _positions; } /** * @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, bytes32 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._positions[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, bytes32 value) private returns (bool) { // We cache the value's position to prevent multiple reads from the same storage slot uint256 position = set._positions[value]; if (position != 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 valueIndex = position - 1; uint256 lastIndex = set._values.length - 1; if (valueIndex != lastIndex) { bytes32 lastValue = set._values[lastIndex]; // Move the lastValue to the index where the value to delete is set._values[valueIndex] = lastValue; // Update the tracked position of the lastValue (that was just moved) set._positions[lastValue] = position; } // Delete the slot where the moved value was stored set._values.pop(); // Delete the tracked position for the deleted slot delete set._positions[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._positions[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 (bytes32) { 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 (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @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(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, 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(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @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(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, 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(Bytes32Set storage set) internal view returns (bytes32[] memory) { bytes32[] memory store = _values(set._inner); bytes32[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } // AddressSet struct AddressSet { Set _inner; } /** * @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(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(uint160(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(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @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(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint160(uint256(_at(set._inner, 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(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @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(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(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(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values in the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @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(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, 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(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; }}

File 27 of 27 : IEIP2981.sol

// SPDX-License-Identifier: MITpragma solidity ^0.8.20;////// @dev Interface for the NFT Royalty Standard///interface IEIP2981 { /// ERC165 bytes to add to interface array - set in parent contract /// implementing this standard /// /// bytes4(keccak256("royaltyInfo(uint256,uint256)")) == 0x2a55205a /// @notice Called with the sale price to determine how much royalty // is owed and to whom. /// @param tokenId The NFT asset queried for royalty information /// @param salePrice The sale price of the NFT asset specified by tokenId /// @return receiver Address of who should be sent the royalty payment /// @return royaltyAmount The royalty payment amount for salePrice function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount);}

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