Overview
TokenID
1009
Total Transfers
-
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
Star
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 1000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz //////////////////////////////////////////////////////////////////////////////////////// // // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // βββββββββββββββ βββ ββββββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββ βββββββββββββββ jββββββββββββββ // // βββββββββββββββ βββββ ββββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββ βββββββββββββ jββββββββββββββ // // βββββββββββββββ βββββββ βββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββ ββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββ βββββββββββ jββββββββββββββ // // βββββββββββββββ βββββββββ ββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββββ βββββββββ jββββββββββββββ // // βββββββββββββββ βββββββββββ ββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββββββ βββββββ jββββββββββββββ // // βββββββββββββββ βββββββββββββ ββββββ jββββββββββββββ // // βββββββββββββββ ββββββββββββββ ββββββ ,ββββββββββββββββ // // βββββββββββββββ ββββββββββββββ βββββ βββββββββββββββββββ // // βββββββββββββββ βββββββββββββββ ββββ βββββββββββββββββββββ // // βββββββββββββββ ββββββββββββββββ βββ ,βββββββββββββββββββββββ // // βββββββββββββββ ,ββββ βββββββββββββββββββββββββββ // // βββββββββββββββ ββββββββ ββββββββββββββββββββββββββ // // βββββββββββββββ βββββββββββ βββββββββββββββββββββββββ // // βββββββββββββββ ,ββββββββββββββ ββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // // //////////////////////////////////////////////////////////////////////////////////////// import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "../resources/IResources.sol"; import "./IStar.sol"; import "./IStarMetadata.sol"; contract Star is ERC721, IStar, Ownable { // Resources contract address address public immutable RESOURCES_ADDRESS; // Contract which renders star metadata address private _starMetadataContract; // Star type to star ingredients mapping(uint8 => StarIngredient[]) private _starIngredients; // Star type for a given star token id mapping(uint256 => StarInfo) private _starInfo; mapping(uint8 => uint256) private _starSupply; mapping(uint8 => uint256) private _starMaxSupply; // Total star supply uint256 public totalSupply; // Royalty configuration uint256 private _royaltyBps; address payable private _royaltyRecipient; bytes4 private constant _INTERFACE_ID_ROYALTIES_CREATORCORE = 0xbb3bafd6; bytes4 private constant _INTERFACE_ID_ROYALTIES_EIP2981 = 0x2a55205a; bytes4 private constant _INTERFACE_ID_ROYALTIES_RARIBLE = 0xb7799584; constructor(address resourcesAddress) ERC721("LVCIDIA// STAR", "STAR") { RESOURCES_ADDRESS = resourcesAddress; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721, IERC165) returns (bool) { return ERC721.supportsInterface(interfaceId) || interfaceId == _INTERFACE_ID_ROYALTIES_CREATORCORE || interfaceId == _INTERFACE_ID_ROYALTIES_EIP2981 || interfaceId == _INTERFACE_ID_ROYALTIES_RARIBLE; } /** * @dev See {IStar-updateStarIngredients}. */ function updateStarIngredients(uint8[] calldata starTypes, StarIngredient[][] calldata starIngredients) external override onlyOwner { require(starTypes.length == starIngredients.length, "Invalid input"); uint256 typesLength = starTypes.length; for (uint i = 0; i < typesLength;) { uint8 starType = starTypes[i]; delete _starIngredients[starType]; StarIngredient[] memory newIngredients = starIngredients[i]; uint256 ingredientsLength = newIngredients.length; for (uint j = 0; j < ingredientsLength; ) { _starIngredients[starType].push(newIngredients[j]); unchecked { j++; } } unchecked { i++; } } } /** * @dev See {IStar-getStarIngredients}. */ function getStarIngredients(uint8 starType) external view override returns(StarIngredient[] memory) { return _starIngredients[starType]; } /** * @dev See {IStar-updateStarMetadata}. */ function updateStarMetadata(address starMetadata) external override onlyOwner { _starMetadataContract = starMetadata; } /** * @dev See {IStar-getStarSupply}. */ function getStarSupply(uint8 starType) external view override returns(uint256) { return _starSupply[starType]; } /** * @dev See {IStar-getStarMaxSupply}. */ function getStarMaxSupply(uint8 starType) external view override returns(uint256) { return _starMaxSupply[starType]; } /** * @dev See {IStar-updateStarMaxSupplies}. */ function updateStarMaxSupplies(uint8[] calldata starTypes, uint256[] calldata maxSupplies) external override onlyOwner { require(starTypes.length == maxSupplies.length, "Invalid input"); uint256 typesLength = starTypes.length; for (uint i = 0; i < typesLength;) { _starMaxSupply[starTypes[i]] = maxSupplies[i]; unchecked { i++; } } } /** * @dev See {IStar-formStar}. */ function formStar(uint8 starType) external override returns(uint256) { StarIngredient[] memory ingredients = _starIngredients[starType]; uint256 length = ingredients.length; require(length > 0, "Invalid star type"); require(_starSupply[starType] < _starMaxSupply[starType], "Max supply reached for star type"); uint256[] memory resourceIds = new uint256[](length); uint256[] memory amounts = new uint256[](length); for (uint i = 0; i < length;) { StarIngredient memory ingredient = ingredients[i]; resourceIds[i] = ingredient.resourceId; amounts[i] = ingredient.amount; unchecked { i++; } } // Burn required resources IResources(RESOURCES_ADDRESS).burn(msg.sender, resourceIds, amounts); _starSupply[starType]++; totalSupply++; // Info used by IStartMetadata contact to determine metadata _starInfo[totalSupply] = StarInfo(starType, uint48(block.timestamp), tx.origin); _mint(msg.sender, totalSupply); return totalSupply; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); require(_exists(_starInfo[tokenId].starType), "Query for malformed NFT"); require(_starMetadataContract != address(0), "No metadata contract"); return IStarMetadata(_starMetadataContract).metadata(tokenId, _starInfo[tokenId]); } /** * @dev Update royalties */ function updateRoyalties(address payable recipient, uint256 bps) external onlyOwner { _royaltyRecipient = recipient; _royaltyBps = bps; } /** * ROYALTY FUNCTIONS */ function getRoyalties(uint256) external view returns (address payable[] memory recipients, uint256[] memory bps) { if (_royaltyRecipient != address(0x0)) { recipients = new address payable[](1); recipients[0] = _royaltyRecipient; bps = new uint256[](1); bps[0] = _royaltyBps; } return (recipients, bps); } function getFeeRecipients(uint256) external view returns (address payable[] memory recipients) { if (_royaltyRecipient != address(0x0)) { recipients = new address payable[](1); recipients[0] = _royaltyRecipient; } return recipients; } function getFeeBps(uint256) external view returns (uint[] memory bps) { if (_royaltyRecipient != address(0x0)) { bps = new uint256[](1); bps[0] = _royaltyBps; } return bps; } function royaltyInfo(uint256, uint256 value) external view returns (address, uint256) { return (_royaltyRecipient, value*_royaltyBps/10000); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz //////////////////////////////////////////////////////////////////////////////////////// // // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // βββββββββββββββ βββ ββββββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββ βββββββββββββββ jββββββββββββββ // // βββββββββββββββ βββββ ββββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββ βββββββββββββ jββββββββββββββ // // βββββββββββββββ βββββββ βββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββ ββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββ βββββββββββ jββββββββββββββ // // βββββββββββββββ βββββββββ ββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββββ βββββββββ jββββββββββββββ // // βββββββββββββββ βββββββββββ ββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββββββ βββββββ jββββββββββββββ // // βββββββββββββββ βββββββββββββ ββββββ jββββββββββββββ // // βββββββββββββββ ββββββββββββββ ββββββ ,ββββββββββββββββ // // βββββββββββββββ ββββββββββββββ βββββ βββββββββββββββββββ // // βββββββββββββββ βββββββββββββββ ββββ βββββββββββββββββββββ // // βββββββββββββββ ββββββββββββββββ βββ ,βββββββββββββββββββββββ // // βββββββββββββββ ,ββββ βββββββββββββββββββββββββββ // // βββββββββββββββ ββββββββ ββββββββββββββββββββββββββ // // βββββββββββββββ βββββββββββ βββββββββββββββββββββββββ // // βββββββββββββββ ,ββββββββββββββ ββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // // //////////////////////////////////////////////////////////////////////////////////////// import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol"; interface IResources is IERC1155 { /** * @dev Mint tokens */ function mint(address to, uint256[] memory tokenIds, uint256[] memory amounts) external; /** * @dev Set the tokenURI of a token. */ function setTokenURI(uint256 tokenId, string calldata uri_) external; /** * @dev set the tokenURI of multiple tokens. */ function setTokenURIs(uint256[] memory tokenIds, string[] calldata uris) external; /** * @dev burn tokens. Can only be called by token owner or approved address. * On burn, calls back to the registered extension's onBurn method */ function burn(address account, uint256[] calldata tokenIds, uint256[] calldata amounts) external; /** * @dev Total amount of tokens of resource with a given id. */ function totalSupply(uint256 tokenId) external view returns (uint256); /** * @dev Total amount of burned tokens of resource with a given id. */ function burnedSupply(uint256 tokenId) external view returns (uint256); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz //////////////////////////////////////////////////////////////////////////////////////// // // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // βββββββββββββββ βββ ββββββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββ βββββββββββββββ jββββββββββββββ // // βββββββββββββββ βββββ ββββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββ βββββββββββββ jββββββββββββββ // // βββββββββββββββ βββββββ βββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββ ββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββ βββββββββββ jββββββββββββββ // // βββββββββββββββ βββββββββ ββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββββ βββββββββ jββββββββββββββ // // βββββββββββββββ βββββββββββ ββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββββββ βββββββ jββββββββββββββ // // βββββββββββββββ βββββββββββββ ββββββ jββββββββββββββ // // βββββββββββββββ ββββββββββββββ ββββββ ,ββββββββββββββββ // // βββββββββββββββ ββββββββββββββ βββββ βββββββββββββββββββ // // βββββββββββββββ βββββββββββββββ ββββ βββββββββββββββββββββ // // βββββββββββββββ ββββββββββββββββ βββ ,βββββββββββββββββββββββ // // βββββββββββββββ ,ββββ βββββββββββββββββββββββββββ // // βββββββββββββββ ββββββββ ββββββββββββββββββββββββββ // // βββββββββββββββ βββββββββββ βββββββββββββββββββββββββ // // βββββββββββββββ ,ββββββββββββββ ββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // // //////////////////////////////////////////////////////////////////////////////////////// import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; import "./IStar.sol"; interface IStarMetadata is IERC165 { struct StarLvminance { uint16 min; uint16 max; } /** * @dev Returns JSON Data URL containing JSON for a star given its id and StarInfo. */ function metadata(uint256 tokenId, IStar.StarInfo memory starInfo) view external returns(string memory); /** * @dev Allows overriding the default name of a star for customization. * Available to only the Admin, for adding new Stars or fixing a malformed Star. */ function updateStar(uint8 starType, string memory arweaveHash, uint16 min, uint16 max) external; /** * @dev Allows for changing where the Star names are looked up on chain. */ function updateStarNameLookup(address starNameLookup) external; /** * @dev Allows overriding the default name of a star for customization. * Available to only the owner of the token. * See {IStarName-setOverride}. */ function setName(uint256 tokenId, string memory name) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz //////////////////////////////////////////////////////////////////////////////////////// // // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // βββββββββββββββ βββ ββββββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββ βββββββββββββββ jββββββββββββββ // // βββββββββββββββ βββββ ββββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββ βββββββββββββ jββββββββββββββ // // βββββββββββββββ βββββββ βββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββ ββββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββ βββββββββββ jββββββββββββββ // // βββββββββββββββ βββββββββ ββββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββββ βββββββββ jββββββββββββββ // // βββββββββββββββ βββββββββββ ββββββββ jββββββββββββββ // // βββββββββββββββ ββββββββββββ βββββββ jββββββββββββββ // // βββββββββββββββ βββββββββββββ ββββββ jββββββββββββββ // // βββββββββββββββ ββββββββββββββ ββββββ ,ββββββββββββββββ // // βββββββββββββββ ββββββββββββββ βββββ βββββββββββββββββββ // // βββββββββββββββ βββββββββββββββ ββββ βββββββββββββββββββββ // // βββββββββββββββ ββββββββββββββββ βββ ,βββββββββββββββββββββββ // // βββββββββββββββ ,ββββ βββββββββββββββββββββββββββ // // βββββββββββββββ ββββββββ ββββββββββββββββββββββββββ // // βββββββββββββββ βββββββββββ βββββββββββββββββββββββββ // // βββββββββββββββ ,ββββββββββββββ ββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ // // // //////////////////////////////////////////////////////////////////////////////////////// import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; interface IStar is IERC165 { struct StarInfo { uint8 starType; uint48 starTime; address creator; } struct StarIngredient { uint256 resourceId; uint256 amount; } /** * Update/set star ingredients */ function updateStarIngredients(uint8[] calldata starTypes, StarIngredient[][] calldata starIngredients) external; /** * Update/set star type max supplies */ function updateStarMaxSupplies(uint8[] calldata starTypes, uint256[] calldata maxSupplies) external; /** * Update the star metadata contract */ function updateStarMetadata(address starMetadata) external; /** * Getter for supply of star type */ function getStarSupply(uint8 starType) external returns(uint256); /** * Getter for max supply of star type */ function getStarMaxSupply(uint8 starType) external returns(uint256); /** * Getter for ingredients of star type */ function getStarIngredients(uint8 starType) external returns(StarIngredient[] memory); /** * Form a star of a given star type by burning resources */ function formStar(uint8 starType) external returns(uint256); }
// 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 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); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; import "./IERC721.sol"; import "./IERC721Receiver.sol"; import "./extensions/IERC721Metadata.sol"; import "../../utils/Address.sol"; import "../../utils/Context.sol"; import "../../utils/Strings.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: address zero is not a valid owner"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: invalid token ID"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { _requireMinted(tokenId); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not token owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { _requireMinted(tokenId); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner nor approved"); _safeTransfer(from, to, tokenId, data); } /** * @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. * * `data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { address owner = ERC721.ownerOf(tokenId); return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits an {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Reverts if the `tokenId` has not been minted yet. */ function _requireMinted(uint256 tokenId) internal view virtual { require(_exists(tokenId), "ERC721: invalid token ID"); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155 is IERC165 { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// 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); }
// 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 v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @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 Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_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) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @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); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: 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 // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// 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 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
{ "viaIR": true, "optimizer": { "enabled": true, "runs": 1000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
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- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"resourcesAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","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":"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":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"RESOURCES_ADDRESS","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","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":"uint8","name":"starType","type":"uint8"}],"name":"formStar","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"getFeeBps","outputs":[{"internalType":"uint256[]","name":"bps","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"getFeeRecipients","outputs":[{"internalType":"address payable[]","name":"recipients","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"getRoyalties","outputs":[{"internalType":"address payable[]","name":"recipients","type":"address[]"},{"internalType":"uint256[]","name":"bps","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"starType","type":"uint8"}],"name":"getStarIngredients","outputs":[{"components":[{"internalType":"uint256","name":"resourceId","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"internalType":"struct IStar.StarIngredient[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"starType","type":"uint8"}],"name":"getStarMaxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"starType","type":"uint8"}],"name":"getStarSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","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":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"value","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":"tokenId","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":"tokenId","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":"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":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"recipient","type":"address"},{"internalType":"uint256","name":"bps","type":"uint256"}],"name":"updateRoyalties","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint8[]","name":"starTypes","type":"uint8[]"},{"components":[{"internalType":"uint256","name":"resourceId","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"internalType":"struct IStar.StarIngredient[][]","name":"starIngredients","type":"tuple[][]"}],"name":"updateStarIngredients","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint8[]","name":"starTypes","type":"uint8[]"},{"internalType":"uint256[]","name":"maxSupplies","type":"uint256[]"}],"name":"updateStarMaxSupplies","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"starMetadata","type":"address"}],"name":"updateStarMetadata","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)
00000000000000000000000097a20815a061eae224c4fdf3109731f73743db73
-----Decoded View---------------
Arg [0] : resourcesAddress (address): 0x97A20815a061EaE224c4fdF3109731f73743db73
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000097a20815a061eae224c4fdf3109731f73743db73
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