// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023. // File: @openzeppelin/contracts-upgradeable/utils/introspection/IERC165Upgradeable.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165Upgradeable { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721Upgradeable is IERC165Upgradeable { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @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`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: contracts/common_libraries/PartLibrary.sol library PartLibrary { struct Part { address payable account; uint96 value; } bytes32 public constant PART_TYPEHASH = keccak256("Part(address account,uint96 value)"); function getHash(Part memory part) internal pure returns (bytes32){ return keccak256( abi.encode(PART_TYPEHASH, part.account, part.value) ); } } // File: contracts/tokens/erc721/libraries/ERC721LazyMintLibrary.sol library ERC721LazyMintLibrary { struct ERC721LazyMintData { uint256 tokenId; string tokenURI; PartLibrary.Part[] creatorInfos; PartLibrary.Part[] royaltyInfos; bytes[] signatures; } bytes4 public constant ERC721_LAZY_MINT_ASSET_CLASS = bytes4(keccak256("ERC721_LAZY_MINT_CLASS")); bytes4 constant _INTERFACE_ID_MINT_AND_TRANSFER = 0x8486f69f; bytes32 public constant ERC721_LAZY_MINT_DATA_TYPEHASH = keccak256( "Mint721(uint256 tokenId,string tokenURI,Part[] creators,Part[] royalties)Part(address account,uint96 value)" ); function getHash(ERC721LazyMintData memory erc721LazyMintData) internal pure returns (bytes32) { bytes32[] memory creatorInfosHashes = new bytes32[]( erc721LazyMintData.creatorInfos.length ); for (uint256 i = 0; i < erc721LazyMintData.creatorInfos.length; ++i) { creatorInfosHashes[i] = PartLibrary.getHash( erc721LazyMintData.creatorInfos[i] ); } bytes32[] memory royaltyInfosHashes = new bytes32[]( erc721LazyMintData.royaltyInfos.length ); for (uint256 i = 0; i < erc721LazyMintData.royaltyInfos.length; ++i) { royaltyInfosHashes[i] = PartLibrary.getHash( erc721LazyMintData.royaltyInfos[i] ); } return keccak256( abi.encode( ERC721_LAZY_MINT_DATA_TYPEHASH, erc721LazyMintData.tokenId, keccak256(bytes(erc721LazyMintData.tokenURI)), keccak256(abi.encodePacked(creatorInfosHashes)), keccak256(abi.encodePacked(royaltyInfosHashes)) )); } } // File: contracts/tokens/erc721/interfaces/IERC721LazyMint.sol interface IERC721LazyMint is IERC721Upgradeable { event CreatorInfos(uint256 tokenId, PartLibrary.Part[] creatorInfos); function mintAndTransfer( ERC721LazyMintLibrary.ERC721LazyMintData memory erc721LazyMintData, address to ) external; function transferFromOrMint( ERC721LazyMintLibrary.ERC721LazyMintData memory erc721LazyMintData, address from, address to ) external; } // File: contracts/common_libraries/AssetLibrary.sol library AssetLibrary { struct AssetType { bytes4 assetClass; bytes data; } struct Asset { AssetType assetType; uint256 value; } bytes4 constant public ETH_ASSET_CLASS = bytes4(keccak256("ETH_CLASS")); bytes4 constant public ERC20_ASSET_CLASS = bytes4(keccak256("ERC20_CLASS")); bytes4 constant public ERC721_ASSET_CLASS = bytes4(keccak256("ERC721_CLASS")); bytes4 constant public ERC1155_ASSET_CLASS = bytes4(keccak256("ERC1155_CLASS")); bytes4 constant public COLLECTION = bytes4(keccak256("COLLECTION_CLASS")); bytes4 constant public CRYPTO_PUNKS = bytes4(keccak256("CRYPTO_PUNKS_CLASS")); bytes32 constant ASSET_TYPE_TYPEHASH = keccak256( "AssetType(bytes4 assetClass,bytes data)" ); bytes32 constant ASSET_TYPEHASH = keccak256( "Asset(AssetType assetType,uint256 value)AssetType(bytes4 assetClass,bytes data)" ); function getHash(AssetType memory assetType) internal pure returns (bytes32){ return keccak256( abi.encode( ASSET_TYPE_TYPEHASH, assetType.assetClass, keccak256(assetType.data) ) ); } function getHash(Asset memory asset) internal pure returns (bytes32){ return keccak256( abi.encode( ASSET_TYPEHASH, getHash(asset.assetType), asset.value )); } } // File: contracts/interfaces/ITransferProxy.sol interface ITransferProxy { function transfer(AssetLibrary.Asset memory asset, address from, address to) external; } // File: @openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol // OpenZeppelin Contracts v4.4.1 (utils/Address.sol) /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol // OpenZeppelin Contracts v4.4.1 (proxy/utils/Initializable.sol) /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() initializer {} * ``` * ==== */ abstract contract Initializable { /** * @dev Indicates that the contract has been initialized. */ bool private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Modifier to protect an initializer function from being invoked twice. */ modifier initializer() { // If the contract is initializing we ignore whether _initialized is set in order to support multiple // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the // contract may have been reentered. require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized"); bool isTopLevelCall = !_initializing; if (isTopLevelCall) { _initializing = true; _initialized = true; } _; if (isTopLevelCall) { _initializing = false; } } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} modifier, directly or indirectly. */ modifier onlyInitializing() { require(_initializing, "Initializable: contract is not initializing"); _; } function _isConstructor() private view returns (bool) { return !AddressUpgradeable.isContract(address(this)); } } // File: @openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.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 { __Context_init_unchained(); } 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; } uint256[50] private __gap; } // File: @openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ function __Ownable_init() internal onlyInitializing { __Context_init_unchained(); __Ownable_init_unchained(); } function __Ownable_init_unchained() internal onlyInitializing { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } uint256[49] private __gap; } // File: contracts/transfer_proxy/utils/Operators.sol contract Operators is OwnableUpgradeable { mapping(address => bool) operators; function __Operators_init() external initializer { __Ownable_init(); } function addOperator(address operatorAddress) external onlyOwner { operators[operatorAddress] = true; } function removeOperator(address operatorAddress) external onlyOwner { operators[operatorAddress] = false; } modifier onlyOperator() { require(operators[_msgSender()], "Operators: caller is not the operator"); _; } } // File: contracts/transfer_proxy/lazy_mint/ERC721LazyMintTransferProxy.sol // SPDX-License-Identifier: MIT pragma solidity 0.8.8; pragma abicoder v2; contract ERC721LazyMintTransferProxy is Operators, ITransferProxy { function __ERC721LazyMintTransferProxy_init() external initializer { __Ownable_init(); } function transfer( AssetLibrary.Asset memory asset, address from, address to ) external override onlyOperator { require(asset.value == 1, "only 1 erc721 for lazy mint"); (address erc721LazyMintAddress, ERC721LazyMintLibrary.ERC721LazyMintData memory lazyMintData) = abi.decode(asset.assetType.data, (address, ERC721LazyMintLibrary.ERC721LazyMintData)); IERC721LazyMint(erc721LazyMintAddress).transferFromOrMint(lazyMintData, from, to); } }