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__ERC721Lazy Min... | 16171314 | 588 days ago | IN | 0 ETH | 0.00143022 |
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Contract Name:
ERC721LazyMintTransferProxy
Compiler Version
v0.8.9+commit.e5eed63a
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../token/erc721/recomet-erc721/interfaces/IERC721LazyMint.sol"; import "../token/erc721/recomet-erc721/libraries/MintERC721Lib.sol"; import "../token/erc721/recomet-erc721/libraries/SecurityLib.sol"; import "../utils/OperatorControllerUpgradable.sol"; import "../../interfaces/ITransferProxy.sol"; /** * @title Transfer proxy for NFT on Recomet. */ contract ERC721LazyMintTransferProxy is OperatorControllerUpgradeable, ITransferProxy { function __ERC721LazyMintTransferProxy_init(address account) external initializer { __Context_init_unchained(); __Ownable_init_unchained(); __OperatorController_init_unchained(account); } function transfer( AssetLib.AssetData memory asset, address from, address to ) external override onlyOperator { (bool isValid, string memory errorMessage) = _validate(asset, from, to); require(isValid, errorMessage); ( , address token, MintERC721Lib.MintERC721Data memory mintERC721Data, SignatureLib.SignatureData memory signatureData ) = _decodeAssetTypeData(asset); IERC721LazyMint(token).lazyMint(mintERC721Data, signatureData); } function _decodeAssetTypeData(AssetLib.AssetData memory asset) private pure returns ( address, address, MintERC721Lib.MintERC721Data memory, SignatureLib.SignatureData memory ) { ( address proxy, address token, MintERC721Lib.MintERC721Data memory mintERC721Data, SignatureLib.SignatureData memory signatureData ) = abi.decode( asset.assetType.data, ( address, address, MintERC721Lib.MintERC721Data, SignatureLib.SignatureData ) ); return (proxy, token, mintERC721Data, signatureData); } function _validate( AssetLib.AssetData memory asset, address from, address to ) private pure returns (bool, string memory) { ( , , MintERC721Lib.MintERC721Data memory mintERC721Data, ) = _decodeAssetTypeData(asset); if (from == address(0) || from != mintERC721Data.minter) { return ( false, "ERC721LazyMintTransferProxy: from verification failed" ); } else if (to == address(0)) { return ( false, "ERC721LazyMintTransferProxy: to verification failed" ); } return (true, ""); } uint256[50] private __gap; }
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; import "../libraries/AssetLib.sol"; /** * @title TransferProxy Interface * @notice Interface for Recrow-compatible transfer proxy contracts */ interface ITransferProxy { function transfer( AssetLib.AssetData calldata asset, address from, address to ) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol"; contract OperatorControllerUpgradeable is OwnableUpgradeable { mapping(address => bool) _operators; event OperatorSet(address indexed account, bool indexed status); modifier onlyOperator() { address sender = _msgSender(); (bool isValid, string memory errorMessage) = _validateOperator(sender); require(isValid, errorMessage); _; } modifier onlyOperatorOrOwner() { address sender = _msgSender(); (bool isValid, string memory errorMessage) = _validateOperatorOrOwner( sender ); require(isValid, errorMessage); _; } function __OperatorController_init_unchained(address account) internal { _setOperator(account, true); } function addOperator(address account) external onlyOwner { _setOperator(account, true); } function removeOperator(address account) external onlyOwner { _setOperator(account, false); } function isOperator(address account) external view returns (bool) { return _isOperator(account); } function _setOperator(address account, bool status) internal { _operators[account] = status; emit OperatorSet(account, status); } function _isOperator(address account) internal view returns (bool) { return _operators[account]; } function _isOperatorOrOwner(address account) internal view returns (bool) { return owner() == account || _isOperator(account); } function _validateOperator(address account) internal view returns (bool, string memory) { if (!_isOperator(account)) { return ( false, "OperatorControllerUpgradeable: operator verification failed" ); } return (true, ""); } function _validateOperatorOrOwner(address account) internal view returns (bool, string memory) { if (!_isOperatorOrOwner(account)) { return ( false, "OperatorControllerUpgradeable: operator or owner verification failed" ); } return (true, ""); } uint256[50] private __gap; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../interfaces/IERC721LazyMint.sol"; import "./SecurityLib.sol"; import "./SignatureLib.sol"; library MintERC721Lib { bytes4 constant _INTERFACE_ID_LAZY_MINT = type(IERC721LazyMint).interfaceId; struct MintERC721Data { SecurityLib.SecurityData securityData; address minter; address to; uint256 tokenId; bytes data; } bytes32 private constant _MINT_ERC721_TYPEHASH = keccak256( bytes( "MintERC721Data(SecurityData securityData,address minter,address to,uint256 tokenId,bytes data)SecurityData(uint256 validFrom,uint256 validTo,uint256 salt)" ) ); function validate(MintERC721Data memory mintERC721Data) internal view returns (bool, string memory) { address minter = address(uint160(mintERC721Data.tokenId >> 96)); if (minter != mintERC721Data.minter) { return (false, "MintERC721Lib: valid tokenId verification failed"); } ( bool isSecurityDataValid, string memory securityDataErrorMessage ) = SecurityLib.validate(mintERC721Data.securityData); if (!isSecurityDataValid) { return (false, securityDataErrorMessage); } return (true, ""); } function hash(MintERC721Data memory mintERC721Data) internal pure returns (bytes32) { return keccak256( abi.encode( _MINT_ERC721_TYPEHASH, SecurityLib.hash(mintERC721Data.securityData), mintERC721Data.minter, mintERC721Data.to, mintERC721Data.tokenId, keccak256(mintERC721Data.data) ) ); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol"; import "../libraries/PartLib.sol"; import "../libraries/MintERC721Lib.sol"; import "../libraries/SignatureLib.sol"; interface IERC721LazyMint is IERC721Upgradeable { event Minted(bytes32 indexed mintERC721Hash); function lazyMint( MintERC721Lib.MintERC721Data memory mintERC721Data, SignatureLib.SignatureData memory signatureData ) external; function isMinted(uint256 tokenId) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; library SecurityLib { struct SecurityData { uint256 validFrom; uint256 validTo; uint256 salt; } bytes32 private constant _SECURITY_TYPEHASH = keccak256( abi.encodePacked( "SecurityData(uint256 validFrom,uint256 validTo,uint256 salt)" ) ); function validate(SecurityData memory securityData) internal view returns (bool, string memory) { if (securityData.validFrom > block.timestamp) { return (false, "SecurityLib: valid from verification failed"); } else if (securityData.validTo < block.timestamp) { return (false, "SecurityLib: valid to verification failed"); } return (true, ""); } function hash(SecurityData memory securityData) internal pure returns (bytes32) { return keccak256( abi.encode( _SECURITY_TYPEHASH, securityData.validFrom, securityData.validTo, securityData.salt ) ); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; /** * @title AssetLib * @notice Library for handling Asset data structure */ library AssetLib { /*////////////////////////////////////////////////////////////// ASSET CLASS CONSTANTS //////////////////////////////////////////////////////////////*/ /// @notice Bytes4 representations of allowed asset (token) classes. bytes4 public constant ETH_ASSET_CLASS = bytes4(keccak256("ETH")); bytes4 public constant ERC20_ASSET_CLASS = bytes4(keccak256("ERC20")); bytes4 public constant ERC721_ASSET_CLASS = bytes4(keccak256("ERC721")); bytes4 public constant ERC1155_ASSET_CLASS = bytes4(keccak256("ERC1155")); bytes4 public constant PROXY_ASSET_CLASS = bytes4(keccak256("PROXY")); /// @notice Asset typehash for EIP712 compatibility. bytes32 public constant ASSET_TYPE_TYPEHASH = keccak256("AssetType(bytes4 assetClass,bytes data)"); bytes32 public constant ASSET_TYPEHASH = keccak256( "AssetData(AssetType assetType,uint256 value,address recipient)AssetType(bytes4 assetClass,bytes data)" ); /*////////////////////////////////////////////////////////////// ASSET DATA STRUCTURE //////////////////////////////////////////////////////////////*/ /// @notice Struct holding the asset's class and details struct AssetType { // Asset (token) classification bytes4 assetClass; // Additional asset information (ex: contract address, tokenId) bytes data; } /// @notice Struct holding the data for an asset transfer struct AssetData { // Specification of the asset AssetType assetType; // Amount of asset to transfer uint256 value; // Transfer reecipient of the asset address recipient; } /*////////////////////////////////////////////////////////////// DECODE LOGIC //////////////////////////////////////////////////////////////*/ /** * @notice Decode additional data associated with the asset. * @param assetType AssetType of the asset. */ function decodeAssetTypeData(AssetType memory assetType) internal pure returns (address, uint256) { if ( assetType.assetClass == AssetLib.ERC721_ASSET_CLASS || assetType.assetClass == AssetLib.ERC1155_ASSET_CLASS ) { (address token, uint256 tokenId) = abi.decode( assetType.data, (address, uint256) ); return (token, tokenId); } else if (assetType.assetClass == AssetLib.ERC20_ASSET_CLASS) { address token = abi.decode(assetType.data, (address)); return (token, 0); } else if (assetType.assetClass == AssetLib.PROXY_ASSET_CLASS) { address proxy = abi.decode(assetType.data, (address)); return (proxy, 0); } return (address(0), 0); } /*////////////////////////////////////////////////////////////// HASH FUNCTIONS //////////////////////////////////////////////////////////////*/ /** * @notice EIP712-compatible hash of AssetType. * @param assetType AssetType of the asset. * @return hash of the assetType. */ function hash(AssetType calldata assetType) internal pure returns (bytes32) { return keccak256( abi.encode( ASSET_TYPE_TYPEHASH, assetType.assetClass, keccak256(assetType.data) ) ); } /** * @notice EIP712-compatible hash of AssetData. * @param asset AssetData of the asset. * @return hash of the asset. */ function hash(AssetData calldata asset) internal pure returns (bytes32) { return keccak256( abi.encode( ASSET_TYPEHASH, hash(asset.assetType), asset.value, asset.recipient ) ); } /** * @notice EIP712-compatible hash packing of AssetData. * @param assets AssetData assets to pack. * @return hash of the assets. */ function packAssets(AssetData[] calldata assets) internal pure returns (bytes32) { bytes32[] memory assetHashes = new bytes32[](assets.length); for (uint256 i = 0; i < assets.length; i++) { assetHashes[i] = hash(assets[i]); } return keccak256(abi.encodePacked(assetHashes)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/ContextUpgradeable.sol"; import "../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. * * 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 { __Ownable_init_unchained(); } function __Ownable_init_unchained() internal onlyInitializing { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { 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); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; import "../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; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.2; import "../../utils/AddressUpgradeable.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 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] * ``` * 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 Indicates that the contract has been initialized. * @custom:oz-retyped-from bool */ uint8 private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint8 version); /** * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope, * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`. */ modifier initializer() { bool isTopLevelCall = !_initializing; require( (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1), "Initializable: contract is already initialized" ); _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. * * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original * initialization step. This is essential to configure modules that are added through upgrades and that require * initialization. * * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in * a contract, executing them in the right order is up to the developer or operator. */ modifier reinitializer(uint8 version) { require(!_initializing && _initialized < version, "Initializable: contract is already initialized"); _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() { require(_initializing, "Initializable: contract is not initializing"); _; } /** * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call. * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized * to any version. It is recommended to use this to lock implementation contracts that are designed to be called * through proxies. */ function _disableInitializers() internal virtual { require(!_initializing, "Initializable: contract is initializing"); if (_initialized < type(uint8).max) { _initialized = type(uint8).max; emit Initialized(type(uint8).max); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; library SignatureLib { struct SignatureData { bytes32 root; bytes32[] proof; bytes signature; } bytes32 private constant _SIGNATURE_TYPEHASH = keccak256("SignatureData(bytes32 root)"); function hash(SignatureData memory signatureData) internal pure returns (bytes32) { return keccak256(abi.encode(_SIGNATURE_TYPEHASH, signatureData.root)); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./BasisPointLib.sol"; library PartLib { bytes32 public constant TYPE_HASH = keccak256("PartData(address account,uint256 value)"); struct PartData { address payable account; uint256 value; } function hash(PartData memory part) internal pure returns (bytes32) { return keccak256(abi.encode(TYPE_HASH, part.account, part.value)); } function validate(PartData memory part) internal pure returns (bool, string memory) { if (part.account == address(0x0)) { return (false, "PartLib: account verification failed"); } if (part.value == 0 || part.value > BasisPointLib._BPS_BASE) { return (false, "PartLib: value verification failed"); } return (true, ""); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165Upgradeable.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`. * * 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: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/utils/math/SafeMath.sol"; library BasisPointLib { using SafeMath for uint256; uint256 constant _BPS_BASE = 10000; function bp(uint256 value, uint256 bpValue) internal pure returns (uint256) { return value.mul(bpValue).div(_BPS_BASE); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol) pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler * now has built in overflow checking. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ 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. * * _Available since v3.4._ */ 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. * * _Available since v3.4._ */ 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. * * _Available since v3.4._ */ 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. * * _Available since v3.4._ */ 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 addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface 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); }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "metadata": { "useLiteralContent": true }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"bool","name":"status","type":"bool"}],"name":"OperatorSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"__ERC721LazyMintTransferProxy_init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"addOperator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isOperator","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"removeOperator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"components":[{"internalType":"bytes4","name":"assetClass","type":"bytes4"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct AssetLib.AssetType","name":"assetType","type":"tuple"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"address","name":"recipient","type":"address"}],"internalType":"struct AssetLib.AssetData","name":"asset","type":"tuple"},{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"}],"name":"transfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Deployed Bytecode
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Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.