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ContractCreator
TokenTracker
Latest 25 from a total of 27,900 transactions
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Set Approval For... | 20511709 | 9 mins ago | IN | 0 ETH | 0.00027807 | ||||
Set Approval For... | 20511252 | 1 hr ago | IN | 0 ETH | 0.00019016 | ||||
Set Approval For... | 20511127 | 2 hrs ago | IN | 0 ETH | 0.0002012 | ||||
Set Approval For... | 20510911 | 2 hrs ago | IN | 0 ETH | 0.00013232 | ||||
Set Approval For... | 20510884 | 2 hrs ago | IN | 0 ETH | 0.00007937 | ||||
Set Approval For... | 20510859 | 3 hrs ago | IN | 0 ETH | 0.00012543 | ||||
Transfer From | 20510783 | 3 hrs ago | IN | 0 ETH | 0.00006606 | ||||
Set Approval For... | 20510202 | 5 hrs ago | IN | 0 ETH | 0.00011027 | ||||
Set Approval For... | 20510201 | 5 hrs ago | IN | 0 ETH | 0.00011139 | ||||
Set Approval For... | 20509377 | 7 hrs ago | IN | 0 ETH | 0.00009792 | ||||
Set Approval For... | 20509246 | 8 hrs ago | IN | 0 ETH | 0.00012095 | ||||
Set Approval For... | 20508912 | 9 hrs ago | IN | 0 ETH | 0.00011251 | ||||
Set Approval For... | 20508628 | 10 hrs ago | IN | 0 ETH | 0.00010775 | ||||
Set Approval For... | 20508492 | 10 hrs ago | IN | 0 ETH | 0.00015459 | ||||
Set Approval For... | 20508023 | 12 hrs ago | IN | 0 ETH | 0.0000922 | ||||
Set Approval For... | 20507120 | 15 hrs ago | IN | 0 ETH | 0.00009002 | ||||
Safe Transfer Fr... | 20507106 | 15 hrs ago | IN | 0 ETH | 0.00006596 | ||||
Set Approval For... | 20506710 | 16 hrs ago | IN | 0 ETH | 0.00012448 | ||||
Set Approval For... | 20506633 | 17 hrs ago | IN | 0 ETH | 0.00012819 | ||||
Safe Transfer Fr... | 20506534 | 17 hrs ago | IN | 0 ETH | 0.00009465 | ||||
Set Approval For... | 20506264 | 18 hrs ago | IN | 0 ETH | 0.00017924 | ||||
Set Approval For... | 20506048 | 19 hrs ago | IN | 0 ETH | 0.00004505 | ||||
Transfer From | 20505710 | 20 hrs ago | IN | 0 ETH | 0.00022488 | ||||
Set Approval For... | 20505634 | 20 hrs ago | IN | 0 ETH | 0.00049735 | ||||
Safe Transfer Fr... | 20505404 | 21 hrs ago | IN | 0 ETH | 0.00009213 |
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Latest 25 internal transactions (View All)
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Contract Name:
Elemental
Compiler Version
v0.8.18+commit.87f61d96
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.18; import "solbase/src/tokens/ERC721/ERC721.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/token/common/ERC2981.sol"; import {BitMaps} from "@openzeppelin/contracts/utils/structs/BitMaps.sol"; import "closedsea/OperatorFilterer.sol"; import "./MultisigOwnable.sol"; error NotAllowedByRegistry(); error RegistryNotSet(); error InvalidTokenId(); error BeanAddressNotSet(); error RedeemBeanNotOpen(); error InvalidRedeemer(); error NoMoreTokenIds(); interface IRegistry { function isAllowedOperator(address operator) external view returns (bool); } contract Elemental is ERC2981, ERC721, MultisigOwnable, OperatorFilterer { using Strings for uint256; using BitMaps for BitMaps.BitMap; event BeanRedeemed( address indexed to, uint256 indexed tokenId, uint256 indexed beanId ); bool public operatorFilteringEnabled = true; bool public isRegistryActive = false; address public registryAddress; struct RedeemInfo { bool redeemBeanOpen; address beanAddress; } RedeemInfo public redeemInfo; uint16 public immutable MAX_SUPPLY; uint16 internal _numAvailableRemainingTokens; // Data structure used for Fisher Yates shuffle uint16[65536] internal _availableRemainingTokens; constructor( string memory _name, string memory _symbol, uint16 maxSupply_ ) ERC721(_name, _symbol) { MAX_SUPPLY = maxSupply_; _numAvailableRemainingTokens = maxSupply_; _registerForOperatorFiltering(); operatorFilteringEnabled = true; } // --------------- // Name and symbol // --------------- function setNameAndSymbol( string calldata _newName, string calldata _newSymbol ) external onlyOwner { name = _newName; symbol = _newSymbol; } // ------------ // Redeem beans // ------------ function redeemBeans(address to, uint256[] calldata beanIds) public returns (uint256[] memory) { RedeemInfo memory info = redeemInfo; if (!info.redeemBeanOpen) { revert RedeemBeanNotOpen(); } if (msg.sender != info.beanAddress) { revert InvalidRedeemer(); } uint256 amount = beanIds.length; uint256[] memory tokenIds = new uint256[](amount); // Assume data has already been validated by the bean contract for (uint256 i; i < amount; ) { uint256 beanId = beanIds[i]; uint256 tokenId = _useRandomAvailableTokenId(); // Don't need safeMint, as the calling address has a MysteryBean in it already _mint(to, tokenId); emit BeanRedeemed(to, tokenId, beanId); tokenIds[i] = tokenId; unchecked { ++i; } } return tokenIds; } // Generates a pseudorandom number between [0,MAX_SUPPLY) that has not yet been generated before, in O(1) time. // // Uses Durstenfeld's version of the Yates Shuffle https://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle // with a twist to avoid having to manually spend gas to preset an array's values to be values 0...n. // It does this by interpreting zero-values for an index X as meaning that index X itself is an available value // that is returnable. // // How it works: // - zero-initialize a mapping (_availableRemainingTokens) and track its length (_numAvailableRemainingTokens). functionally similar to an array with dynamic sizing // - this mapping will track all remaining valid values that haven't been generated yet, through a combination of its indices and values // - if _availableRemainingTokens[x] == 0, that means x has not been generated yet // - if _availableRemainingTokens[x] != 0, that means _availableRemainingTokens[x] has not been generated yet // - when prompted for a random number between [0,MAX_SUPPLY) that hasn't already been used: // - generate a random index randIndex between [0,_numAvailableRemainingTokens) // - examine the value at _availableRemainingTokens[randIndex] // - if the value is zero, it means randIndex has not been used, so we can return randIndex // - if the value is non-zero, it means the value has not been used, so we can return _availableRemainingTokens[randIndex] // - update the _availableRemainingTokens mapping state // - set _availableRemainingTokens[randIndex] to either the index or the value of the last entry in the mapping (depends on the last entry's state) // - decrement _numAvailableRemainingTokens to mimic the shrinking of an array function _useRandomAvailableTokenId() internal returns (uint256) { uint256 numAvailableRemainingTokens = _numAvailableRemainingTokens; if (numAvailableRemainingTokens == 0) { revert NoMoreTokenIds(); } uint256 randomNum = _getRandomNum(numAvailableRemainingTokens); uint256 randomIndex = randomNum % numAvailableRemainingTokens; uint256 valAtIndex = _availableRemainingTokens[randomIndex]; uint256 result; if (valAtIndex == 0) { // This means the index itself is still an available token result = randomIndex; } else { // This means the index itself is not an available token, but the val at that index is. result = valAtIndex; } uint256 lastIndex = numAvailableRemainingTokens - 1; if (randomIndex != lastIndex) { // Replace the value at randomIndex, now that it's been used. // Replace it with the data from the last index in the array, since we are going to decrease the array size afterwards. uint256 lastValInArray = _availableRemainingTokens[lastIndex]; if (lastValInArray == 0) { // This means the index itself is still an available token // Cast is safe as we know that lastIndex cannot > MAX_SUPPLY, which is a uint16 _availableRemainingTokens[randomIndex] = uint16(lastIndex); } else { // This means the index itself is not an available token, but the val at that index is. // Cast is safe as we know that lastValInArray cannot > MAX_SUPPLY, which is a uint16 _availableRemainingTokens[randomIndex] = uint16(lastValInArray); delete _availableRemainingTokens[lastIndex]; } } --_numAvailableRemainingTokens; return result; } // On-chain randomness tradeoffs are acceptable here as it's only used for the Elemental's id number itself, not the resulting Elemental's metadata (which is determined by the source MysteryBean). function _getRandomNum(uint256 numAvailableRemainingTokens) internal view returns (uint256) { return uint256( keccak256( abi.encode( block.prevrandao, blockhash(block.number - 1), address(this), numAvailableRemainingTokens ) ) ); } function setBeanAddress(address contractAddress) external onlyOwner { redeemInfo = RedeemInfo(redeemInfo.redeemBeanOpen, contractAddress); } function setRedeemBeanState(bool _redeemBeanOpen) external onlyOwner { address beanAddress = redeemInfo.beanAddress; if (beanAddress == address(0)) { revert BeanAddressNotSet(); } redeemInfo = RedeemInfo(_redeemBeanOpen, beanAddress); } // ------------ // Total Supply // ------------ function totalSupply() external view returns (uint256) { unchecked { // Does not need to account for burns as they aren't supported. return MAX_SUPPLY - _numAvailableRemainingTokens; } } // -------- // Metadata // -------- function tokenURI(uint256 tokenId) public view override returns (string memory) { if (_ownerOf[tokenId] == address(0)) { revert InvalidTokenId(); } string memory baseURI = _getBaseURIForToken(tokenId); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } string private _baseTokenURI; string private _baseTokenURIPermanent; // Keys are Elemental token ids BitMaps.BitMap private _isUriPermanentForToken; function _getBaseURIForToken(uint256 tokenId) private view returns (string memory) { return _isUriPermanentForToken.get(tokenId) ? _baseTokenURIPermanent : _baseTokenURI; } function setBaseURI(string calldata baseURI) external onlyOwner { _baseTokenURI = baseURI; } function setBaseURIPermanent(string calldata baseURIPermanent) external onlyOwner { _baseTokenURIPermanent = baseURIPermanent; } function setIsUriPermanent(uint256[] calldata tokenIds) external onlyOwner { for (uint256 i = 0; i < tokenIds.length; ) { _isUriPermanentForToken.set(tokenIds[i]); unchecked { ++i; } } } // -------- // EIP-2981 // -------- function setDefaultRoyalty(address receiver, uint96 feeNumerator) external onlyOwner { _setDefaultRoyalty(receiver, feeNumerator); } function setTokenRoyalty( uint256 tokenId, address receiver, uint96 feeNumerator ) external onlyOwner { _setTokenRoyalty(tokenId, receiver, feeNumerator); } // --------------------------------------------------- // OperatorFilterer overrides (overrides, values etc.) // --------------------------------------------------- function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) { super.setApprovalForAll(operator, approved); } function setOperatorFilteringEnabled(bool value) public onlyOwner { operatorFilteringEnabled = value; } function _operatorFilteringEnabled() internal view override returns (bool) { return operatorFilteringEnabled; } function approve(address operator, uint256 tokenId) public override onlyAllowedOperatorApproval(operator) { super.approve(operator, tokenId); } // -------------- // Registry check // -------------- // Solbase ERC721 calls transferFrom internally in its two safeTransferFrom functions, so we don't need to override those. // Also, onlyAllowedOperator is from closedsea function transferFrom( address from, address to, uint256 id ) public override onlyAllowedOperator(from) { if (!_isValidAgainstRegistry(msg.sender)) { revert NotAllowedByRegistry(); } super.transferFrom(from, to, id); } function _isValidAgainstRegistry(address operator) internal view returns (bool) { if (isRegistryActive) { IRegistry registry = IRegistry(registryAddress); return registry.isAllowedOperator(operator); } return true; } function setIsRegistryActive(bool _isRegistryActive) external onlyOwner { if (registryAddress == address(0)) revert RegistryNotSet(); isRegistryActive = _isRegistryActive; } function setRegistryAddress(address _registryAddress) external onlyOwner { registryAddress = _registryAddress; } // ------- // EIP-165 // ------- function supportsInterface(bytes4 interfaceId) public view override(ERC721, ERC2981) returns (bool) { return ERC721.supportsInterface(interfaceId) || ERC2981.supportsInterface(interfaceId); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; /// @notice Modern, minimalist, and gas-optimized ERC721 implementation. /// @author SolDAO (https://github.com/Sol-DAO/solbase/blob/main/src/tokens/ERC721.sol) /// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC721.sol) abstract contract ERC721 { /// ----------------------------------------------------------------------- /// Events /// ----------------------------------------------------------------------- event Transfer(address indexed from, address indexed to, uint256 indexed id); event Approval(address indexed owner, address indexed spender, uint256 indexed id); event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /// ----------------------------------------------------------------------- /// Custom Errors /// ----------------------------------------------------------------------- error NotMinted(); error ZeroAddress(); error Unauthorized(); error WrongFrom(); error InvalidRecipient(); error UnsafeRecipient(); error AlreadyMinted(); /// ----------------------------------------------------------------------- /// Metadata Storage/Logic /// ----------------------------------------------------------------------- string public name; string public symbol; function tokenURI(uint256 id) public view virtual returns (string memory); /// ----------------------------------------------------------------------- /// ERC721 Balance/Owner Storage /// ----------------------------------------------------------------------- mapping(uint256 => address) internal _ownerOf; mapping(address => uint256) internal _balanceOf; function ownerOf(uint256 id) public view virtual returns (address owner) { if ((owner = _ownerOf[id]) == address(0)) revert NotMinted(); } function balanceOf(address owner) public view virtual returns (uint256) { if (owner == address(0)) revert ZeroAddress(); return _balanceOf[owner]; } /// ----------------------------------------------------------------------- /// ERC721 Approval Storage /// ----------------------------------------------------------------------- mapping(uint256 => address) public getApproved; mapping(address => mapping(address => bool)) public isApprovedForAll; /// ----------------------------------------------------------------------- /// Constructor /// ----------------------------------------------------------------------- constructor(string memory _name, string memory _symbol) { name = _name; symbol = _symbol; } /// ----------------------------------------------------------------------- /// ERC721 Logic /// ----------------------------------------------------------------------- function approve(address spender, uint256 id) public virtual { address owner = _ownerOf[id]; if (msg.sender != owner && !isApprovedForAll[owner][msg.sender]) revert Unauthorized(); getApproved[id] = spender; emit Approval(owner, spender, id); } function setApprovalForAll(address operator, bool approved) public virtual { isApprovedForAll[msg.sender][operator] = approved; emit ApprovalForAll(msg.sender, operator, approved); } function transferFrom(address from, address to, uint256 id) public virtual { if (from != _ownerOf[id]) revert WrongFrom(); if (to == address(0)) revert InvalidRecipient(); if (msg.sender != from && !isApprovedForAll[from][msg.sender] && msg.sender != getApproved[id]) revert Unauthorized(); // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. unchecked { _balanceOf[from]--; _balanceOf[to]++; } _ownerOf[id] = to; delete getApproved[id]; emit Transfer(from, to, id); } function safeTransferFrom(address from, address to, uint256 id) public virtual { transferFrom(from, to, id); if (to.code.length != 0) { if ( ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, "") != ERC721TokenReceiver.onERC721Received.selector ) revert UnsafeRecipient(); } } function safeTransferFrom(address from, address to, uint256 id, bytes calldata data) public virtual { transferFrom(from, to, id); if (to.code.length != 0) { if ( ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, data) != ERC721TokenReceiver.onERC721Received.selector ) revert UnsafeRecipient(); } } /// ----------------------------------------------------------------------- /// ERC165 Logic /// ----------------------------------------------------------------------- function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) { return interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165 interfaceId == 0x80ac58cd || // ERC165 Interface ID for ERC721 interfaceId == 0x5b5e139f; // ERC165 Interface ID for ERC721Metadata } /// ----------------------------------------------------------------------- /// Internal Mint/Burn Logic /// ----------------------------------------------------------------------- function _mint(address to, uint256 id) internal virtual { if (to == address(0)) revert InvalidRecipient(); if (_ownerOf[id] != address(0)) revert AlreadyMinted(); // Counter overflow is incredibly unrealistic. unchecked { _balanceOf[to]++; } _ownerOf[id] = to; emit Transfer(address(0), to, id); } function _burn(uint256 id) internal virtual { address owner = _ownerOf[id]; if (owner == address(0)) revert NotMinted(); // Ownership check above ensures no underflow. unchecked { _balanceOf[owner]--; } delete _ownerOf[id]; delete getApproved[id]; emit Transfer(owner, address(0), id); } /// ----------------------------------------------------------------------- /// Internal Safe Mint Logic /// ----------------------------------------------------------------------- function _safeMint(address to, uint256 id) internal virtual { _mint(to, id); if (to.code.length != 0) { if ( ERC721TokenReceiver(to).onERC721Received(msg.sender, address(0), id, "") != ERC721TokenReceiver.onERC721Received.selector ) revert UnsafeRecipient(); } } function _safeMint(address to, uint256 id, bytes memory data) internal virtual { _mint(to, id); if (to.code.length != 0) { if ( ERC721TokenReceiver(to).onERC721Received(msg.sender, address(0), id, data) != ERC721TokenReceiver.onERC721Received.selector ) revert UnsafeRecipient(); } } } /// @notice A generic interface for a contract which properly accepts ERC721 tokens. /// @author SolDAO (https://github.com/Sol-DAO/solbase/blob/main/src/tokens/ERC721.sol) /// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC721.sol) abstract contract ERC721TokenReceiver { function onERC721Received(address, address, uint256, bytes calldata) external virtual returns (bytes4) { return ERC721TokenReceiver.onERC721Received.selector; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev 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. 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 { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; import "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @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), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toString(int256 value) internal pure returns (string memory) { return string(abi.encodePacked(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) { 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] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); 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 keccak256(bytes(a)) == keccak256(bytes(b)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol) pragma solidity ^0.8.0; import "../../interfaces/IERC2981.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information. * * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first. * * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the * fee is specified in basis points by default. * * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported. * * _Available since v4.5._ */ abstract contract ERC2981 is IERC2981, ERC165 { struct RoyaltyInfo { address receiver; uint96 royaltyFraction; } RoyaltyInfo private _defaultRoyaltyInfo; mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) { return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId); } /** * @inheritdoc IERC2981 */ function royaltyInfo(uint256 tokenId, uint256 salePrice) public view virtual override returns (address, uint256) { RoyaltyInfo memory royalty = _tokenRoyaltyInfo[tokenId]; if (royalty.receiver == address(0)) { royalty = _defaultRoyaltyInfo; } uint256 royaltyAmount = (salePrice * royalty.royaltyFraction) / _feeDenominator(); return (royalty.receiver, royaltyAmount); } /** * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an * override. */ function _feeDenominator() internal pure virtual returns (uint96) { return 10000; } /** * @dev Sets the royalty information that all ids in this contract will default to. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: invalid receiver"); _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Removes default royalty information. */ function _deleteDefaultRoyalty() internal virtual { delete _defaultRoyaltyInfo; } /** * @dev Sets the royalty information for a specific token id, overriding the global default. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: Invalid parameters"); _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Resets royalty information for the token id back to the global default. */ function _resetTokenRoyalty(uint256 tokenId) internal virtual { delete _tokenRoyaltyInfo[tokenId]; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/structs/BitMaps.sol) pragma solidity ^0.8.0; /** * @dev Library for managing uint256 to bool mapping in a compact and efficient way, providing the keys are sequential. * Largely inspired by Uniswap's https://github.com/Uniswap/merkle-distributor/blob/master/contracts/MerkleDistributor.sol[merkle-distributor]. */ library BitMaps { struct BitMap { mapping(uint256 => uint256) _data; } /** * @dev Returns whether the bit at `index` is set. */ function get(BitMap storage bitmap, uint256 index) internal view returns (bool) { uint256 bucket = index >> 8; uint256 mask = 1 << (index & 0xff); return bitmap._data[bucket] & mask != 0; } /** * @dev Sets the bit at `index` to the boolean `value`. */ function setTo(BitMap storage bitmap, uint256 index, bool value) internal { if (value) { set(bitmap, index); } else { unset(bitmap, index); } } /** * @dev Sets the bit at `index`. */ function set(BitMap storage bitmap, uint256 index) internal { uint256 bucket = index >> 8; uint256 mask = 1 << (index & 0xff); bitmap._data[bucket] |= mask; } /** * @dev Unsets the bit at `index`. */ function unset(BitMap storage bitmap, uint256 index) internal { uint256 bucket = index >> 8; uint256 mask = 1 << (index & 0xff); bitmap._data[bucket] &= ~mask; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; /// @notice Optimized and flexible operator filterer to abide to OpenSea's /// mandatory on-chain royalty enforcement in order for new collections to /// receive royalties. /// For more information, see: /// See: https://github.com/ProjectOpenSea/operator-filter-registry abstract contract OperatorFilterer { /// @dev The default OpenSea operator blocklist subscription. address internal constant _DEFAULT_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6; /// @dev The OpenSea operator filter registry. address internal constant _OPERATOR_FILTER_REGISTRY = 0x000000000000AAeB6D7670E522A718067333cd4E; /// @dev Registers the current contract to OpenSea's operator filter, /// and subscribe to the default OpenSea operator blocklist. /// Note: Will not revert nor update existing settings for repeated registration. function _registerForOperatorFiltering() internal virtual { _registerForOperatorFiltering(_DEFAULT_SUBSCRIPTION, true); } /// @dev Registers the current contract to OpenSea's operator filter. /// Note: Will not revert nor update existing settings for repeated registration. function _registerForOperatorFiltering(address subscriptionOrRegistrantToCopy, bool subscribe) internal virtual { /// @solidity memory-safe-assembly assembly { let functionSelector := 0x7d3e3dbe // `registerAndSubscribe(address,address)`. // Clean the upper 96 bits of `subscriptionOrRegistrantToCopy` in case they are dirty. subscriptionOrRegistrantToCopy := shr(96, shl(96, subscriptionOrRegistrantToCopy)) for {} iszero(subscribe) {} { if iszero(subscriptionOrRegistrantToCopy) { functionSelector := 0x4420e486 // `register(address)`. break } functionSelector := 0xa0af2903 // `registerAndCopyEntries(address,address)`. break } // Store the function selector. mstore(0x00, shl(224, functionSelector)) // Store the `address(this)`. mstore(0x04, address()) // Store the `subscriptionOrRegistrantToCopy`. mstore(0x24, subscriptionOrRegistrantToCopy) // Register into the registry. if iszero(call(gas(), _OPERATOR_FILTER_REGISTRY, 0, 0x00, 0x44, 0x00, 0x04)) { // If the function selector has not been overwritten, // it is an out-of-gas error. if eq(shr(224, mload(0x00)), functionSelector) { // To prevent gas under-estimation. revert(0, 0) } } // Restore the part of the free memory pointer that was overwritten, // which is guaranteed to be zero, because of Solidity's memory size limits. mstore(0x24, 0) } } /// @dev Modifier to guard a function and revert if the caller is a blocked operator. modifier onlyAllowedOperator(address from) virtual { if (from != msg.sender) { if (!_isPriorityOperator(msg.sender)) { if (_operatorFilteringEnabled()) _revertIfBlocked(msg.sender); } } _; } /// @dev Modifier to guard a function from approving a blocked operator.. modifier onlyAllowedOperatorApproval(address operator) virtual { if (!_isPriorityOperator(operator)) { if (_operatorFilteringEnabled()) _revertIfBlocked(operator); } _; } /// @dev Helper function that reverts if the `operator` is blocked by the registry. function _revertIfBlocked(address operator) private view { /// @solidity memory-safe-assembly assembly { // Store the function selector of `isOperatorAllowed(address,address)`, // shifted left by 6 bytes, which is enough for 8tb of memory. // We waste 6-3 = 3 bytes to save on 6 runtime gas (PUSH1 0x224 SHL). mstore(0x00, 0xc6171134001122334455) // Store the `address(this)`. mstore(0x1a, address()) // Store the `operator`. mstore(0x3a, operator) // `isOperatorAllowed` always returns true if it does not revert. if iszero(staticcall(gas(), _OPERATOR_FILTER_REGISTRY, 0x16, 0x44, 0x00, 0x00)) { // Bubble up the revert if the staticcall reverts. returndatacopy(0x00, 0x00, returndatasize()) revert(0x00, returndatasize()) } // We'll skip checking if `from` is inside the blacklist. // Even though that can block transferring out of wrapper contracts, // we don't want tokens to be stuck. // Restore the part of the free memory pointer that was overwritten, // which is guaranteed to be zero, if less than 8tb of memory is used. mstore(0x3a, 0) } } /// @dev For deriving contracts to override, so that operator filtering /// can be turned on / off. /// Returns true by default. function _operatorFilteringEnabled() internal view virtual returns (bool) { return true; } /// @dev For deriving contracts to override, so that preferred marketplaces can /// skip operator filtering, helping users save gas. /// Returns false for all inputs by default. function _isPriorityOperator(address) internal view virtual returns (bool) { return false; } }
// SPDX-License-Identifier: CC0-1.0 // Source: https://github.com/tubby-cats/dual-ownership-nft pragma solidity ^0.8.4; import '@openzeppelin/contracts/access/Ownable.sol'; abstract contract MultisigOwnable is Ownable { address public realOwner; constructor() { realOwner = msg.sender; } modifier onlyRealOwner() { require( realOwner == msg.sender, 'MultisigOwnable: caller is not the real owner' ); _; } function transferRealOwnership(address newRealOwner) public onlyRealOwner { realOwner = newRealOwner; } function transferLowerOwnership(address newOwner) public onlyRealOwner { transferOwnership(newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @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 up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (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; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) 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. require(denominator > prod1, "Math: mulDiv overflow"); /////////////////////////////////////////////// // 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. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); 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 (rounding == Rounding.Up && 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 down. * * 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 + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * 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 + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * 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 + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * 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 + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.0; /** * @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); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo( uint256 tokenId, uint256 salePrice ) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
{ "remappings": [ "@openzeppelin/=lib/openzeppelin-contracts/", "ERC721A/=lib/ERC721A/contracts/", "closedsea/=lib/closedsea/src/", "ds-test/=lib/forge-std/lib/ds-test/src/", "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/", "erc721a-upgradeable/=lib/closedsea/lib/erc721a-upgradeable/contracts/", "erc721a/=lib/ERC721A/", "forge-std/=lib/forge-std/src/", "openzeppelin-contracts-upgradeable/=lib/closedsea/lib/openzeppelin-contracts-upgradeable/", "openzeppelin-contracts/=lib/openzeppelin-contracts/", "operator-filter-registry/=lib/closedsea/", "solbase/=lib/solbase/", "solmate/=lib/solmate/src/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "bytecodeHash": "ipfs", "appendCBOR": true }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "london", "libraries": {} }
Contract Security Audit
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[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint16","name":"maxSupply_","type":"uint16"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyMinted","type":"error"},{"inputs":[],"name":"BeanAddressNotSet","type":"error"},{"inputs":[],"name":"InvalidRecipient","type":"error"},{"inputs":[],"name":"InvalidRedeemer","type":"error"},{"inputs":[],"name":"InvalidTokenId","type":"error"},{"inputs":[],"name":"NoMoreTokenIds","type":"error"},{"inputs":[],"name":"NotAllowedByRegistry","type":"error"},{"inputs":[],"name":"NotMinted","type":"error"},{"inputs":[],"name":"RedeemBeanNotOpen","type":"error"},{"inputs":[],"name":"RegistryNotSet","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"inputs":[],"name":"UnsafeRecipient","type":"error"},{"inputs":[],"name":"WrongFrom","type":"error"},{"inputs":[],"name":"ZeroAddress","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":true,"internalType":"uint256","name":"beanId","type":"uint256"}],"name":"BeanRedeemed","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"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isRegistryActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"operatorFilteringEnabled","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":"uint256","name":"id","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"owner","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"realOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"beanIds","type":"uint256[]"}],"name":"redeemBeans","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"redeemInfo","outputs":[{"internalType":"bool","name":"redeemBeanOpen","type":"bool"},{"internalType":"address","name":"beanAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"registryAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURIPermanent","type":"string"}],"name":"setBaseURIPermanent","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddress","type":"address"}],"name":"setBeanAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint96","name":"feeNumerator","type":"uint96"}],"name":"setDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_isRegistryActive","type":"bool"}],"name":"setIsRegistryActive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"setIsUriPermanent","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newName","type":"string"},{"internalType":"string","name":"_newSymbol","type":"string"}],"name":"setNameAndSymbol","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"value","type":"bool"}],"name":"setOperatorFilteringEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_redeemBeanOpen","type":"bool"}],"name":"setRedeemBeanState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_registryAddress","type":"address"}],"name":"setRegistryAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint96","name":"feeNumerator","type":"uint96"}],"name":"setTokenRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferLowerOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newRealOwner","type":"address"}],"name":"transferRealOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000004e200000000000000000000000000000000000000000000000000000000000000009456c656d656e74616c00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004454c454d00000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : _name (string): Elemental
Arg [1] : _symbol (string): ELEM
Arg [2] : maxSupply_ (uint16): 20000
-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000004e20
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000009
Arg [4] : 456c656d656e74616c0000000000000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [6] : 454c454d00000000000000000000000000000000000000000000000000000000
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OVERVIEW
Azuki Elementals are a collection of 20,000 characters within the four domains of the Garden.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.