Overview
ETH Balance
0.00414 ETH
Eth Value
$14.44 (@ $3,489.07/ETH)More Info
Private Name Tags
ContractCreator
Latest 25 from a total of 20,363 transactions
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Update Burn Rede... | 21248699 | 32 days ago | IN | 0 ETH | 0.00138364 | ||||
Burn Redeem | 21215199 | 37 days ago | IN | 0.00069 ETH | 0.00250703 | ||||
Burn Redeem | 21215094 | 37 days ago | IN | 0.00138 ETH | 0.0027128 | ||||
Burn Redeem | 21215087 | 37 days ago | IN | 0.00069 ETH | 0.00273867 | ||||
Burn Redeem | 21162491 | 44 days ago | IN | 0.00069 ETH | 0.00381041 | ||||
Burn Redeem | 21162468 | 44 days ago | IN | 0.00069 ETH | 0.00292118 | ||||
Burn Redeem | 20790044 | 96 days ago | IN | 0.00069 ETH | 0.00155486 | ||||
Burn Redeem | 20671592 | 113 days ago | IN | 0.00297 ETH | 0.00092058 | ||||
Burn Redeem | 20671471 | 113 days ago | IN | 0.00099 ETH | 0.00047858 | ||||
Burn Redeem | 20671458 | 113 days ago | IN | 0.00099 ETH | 0.00055895 | ||||
Burn Redeem | 20671436 | 113 days ago | IN | 0.00297 ETH | 0.00076331 | ||||
Update Burn Rede... | 20657576 | 115 days ago | IN | 0 ETH | 0.00011919 | ||||
Update Burn Rede... | 20657544 | 115 days ago | IN | 0 ETH | 0.00013569 | ||||
Update Burn Rede... | 20219080 | 176 days ago | IN | 0 ETH | 0.00059628 | ||||
Update Burn Rede... | 20219069 | 176 days ago | IN | 0 ETH | 0.00058386 | ||||
Burn Redeem | 19990118 | 208 days ago | IN | 0.00069 ETH | 0.00242117 | ||||
Burn Redeem | 19944611 | 214 days ago | IN | 0.00099 ETH | 0.00145151 | ||||
Burn Redeem | 19900819 | 220 days ago | IN | 0.00069 ETH | 0.00053875 | ||||
Burn Redeem | 19888648 | 222 days ago | IN | 0.00069 ETH | 0.00165672 | ||||
Burn Redeem | 19887551 | 222 days ago | IN | 0.00198 ETH | 0.00071234 | ||||
Burn Redeem | 19887529 | 222 days ago | IN | 0.00138 ETH | 0.00057371 | ||||
Burn Redeem | 19887427 | 222 days ago | IN | 0.00069 ETH | 0.00055059 | ||||
Update Burn Rede... | 19887404 | 222 days ago | IN | 0 ETH | 0.0002793 | ||||
Burn Redeem | 19877849 | 224 days ago | IN | 0.00069 ETH | 0.00162396 | ||||
Update Burn Rede... | 19874483 | 224 days ago | IN | 0 ETH | 0.0005472 |
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Latest 25 internal transactions (View All)
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Contract Name:
ERC1155BurnRedeem
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 150 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@manifoldxyz/creator-core-solidity/contracts/core/IERC1155CreatorCore.sol"; import "./BurnRedeemCore.sol"; import "./BurnRedeemLib.sol"; import "./IERC1155BurnRedeem.sol"; contract ERC1155BurnRedeem is BurnRedeemCore, IERC1155BurnRedeem { using Strings for uint256; // { creatorContractAddress => { instanceId => tokenId } } mapping(address => mapping(uint256 => uint256)) private _redeemTokenIds; // { creatorContractAddress => { tokenId => instanceId } } mapping(address => mapping(uint256 => uint256)) private _redeemInstanceIds; function supportsInterface(bytes4 interfaceId) public view virtual override(BurnRedeemCore, IERC165) returns (bool) { return interfaceId == type(IERC1155BurnRedeem).interfaceId || super.supportsInterface(interfaceId); } /** * See {IERC1155BurnRedeem-initializeBurnRedeem}. */ function initializeBurnRedeem( address creatorContractAddress, uint256 instanceId, BurnRedeemParameters calldata burnRedeemParameters ) external override creatorAdminRequired(creatorContractAddress) { _initialize(creatorContractAddress, 0, instanceId, burnRedeemParameters); // Mint a new token with amount '0' to the creator address[] memory receivers = new address[](1); receivers[0] = msg.sender; string[] memory uris = new string[](1); uint256[] memory amounts = new uint256[](1); uint256[] memory newTokenIds = IERC1155CreatorCore(creatorContractAddress).mintExtensionNew(receivers, amounts, uris); _redeemTokenIds[creatorContractAddress][instanceId] = newTokenIds[0]; _redeemInstanceIds[creatorContractAddress][newTokenIds[0]] = instanceId; } /** * See {IERC1155BurnRedeem-updateBurnRedeem}. */ function updateBurnRedeem( address creatorContractAddress, uint256 instanceId, BurnRedeemParameters calldata burnRedeemParameters ) external override creatorAdminRequired(creatorContractAddress) { _update(creatorContractAddress, instanceId, burnRedeemParameters); } /** * See {IERC1155BurnRedeem-updateURI}. */ function updateURI( address creatorContractAddress, uint256 instanceId, StorageProtocol storageProtocol, string calldata location ) external override creatorAdminRequired(creatorContractAddress) { BurnRedeem storage burnRedeemInstance = _getBurnRedeem(creatorContractAddress, instanceId); burnRedeemInstance.storageProtocol = storageProtocol; burnRedeemInstance.location = location; emit BurnRedeemLib.BurnRedeemUpdated(creatorContractAddress, instanceId); } /** * Helper to mint multiple redeem tokens */ function _redeem(address creatorContractAddress, uint256 instanceId, BurnRedeem storage burnRedeemInstance, address to, uint32 count) internal override { address[] memory addresses = new address[](1); addresses[0] = to; uint256[] memory tokenIds = new uint256[](1); tokenIds[0] = _redeemTokenIds[creatorContractAddress][instanceId]; uint256[] memory values = new uint256[](1); values[0] = burnRedeemInstance.redeemAmount * count; IERC1155CreatorCore(creatorContractAddress).mintExtensionExisting(addresses, tokenIds, values); burnRedeemInstance.redeemedCount += uint32(values[0]); emit BurnRedeemLib.BurnRedeemMint(creatorContractAddress, instanceId, tokenIds[0], uint32(values[0])); } /** * See {ICreatorExtensionTokenURI-tokenURI}. */ function tokenURI(address creatorContractAddress, uint256 tokenId) external override view returns(string memory uri) { uint256 instanceId = _redeemInstanceIds[creatorContractAddress][tokenId]; require(instanceId > 0, "Token does not exist"); BurnRedeem memory burnRedeem = _burnRedeems[creatorContractAddress][instanceId]; string memory prefix = ""; if (burnRedeem.storageProtocol == StorageProtocol.ARWEAVE) { prefix = ARWEAVE_PREFIX; } else if (burnRedeem.storageProtocol == StorageProtocol.IPFS) { prefix = IPFS_PREFIX; } uri = string(abi.encodePacked(prefix, burnRedeem.location)); } /** * See {IBurnRedeemCore-getBurnRedeemForToken}. */ function getBurnRedeemForToken(address creatorContractAddress, uint256 tokenId) external override view returns(uint256 instanceId, BurnRedeem memory burnRedeem) { instanceId = _redeemInstanceIds[creatorContractAddress][tokenId]; require(instanceId > 0, "Token does not exist"); burnRedeem = _burnRedeems[creatorContractAddress][instanceId]; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol"; import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol"; import "../extensions/ICreatorExtensionTokenURI.sol"; import "../extensions/ICreatorExtensionRoyalties.sol"; import "./ICreatorCore.sol"; /** * @dev Core creator implementation */ abstract contract CreatorCore is ReentrancyGuard, ICreatorCore, ERC165 { using Strings for uint256; using EnumerableSet for EnumerableSet.AddressSet; using AddressUpgradeable for address; uint256 internal _tokenCount = 0; // Base approve transfers address location address internal _approveTransferBase; // Track registered extensions data EnumerableSet.AddressSet internal _extensions; EnumerableSet.AddressSet internal _blacklistedExtensions; // The baseURI for a given extension mapping (address => string) private _extensionBaseURI; mapping (address => bool) private _extensionBaseURIIdentical; // The prefix for any tokens with a uri configured mapping (address => string) private _extensionURIPrefix; // Mapping for individual token URIs mapping (uint256 => string) internal _tokenURIs; // Royalty configurations struct RoyaltyConfig { address payable receiver; uint16 bps; } mapping (address => RoyaltyConfig[]) internal _extensionRoyalty; mapping (uint256 => RoyaltyConfig[]) internal _tokenRoyalty; bytes4 private constant _CREATOR_CORE_V1 = 0x28f10a21; /** * External interface identifiers for royalties */ /** * @dev CreatorCore * * bytes4(keccak256('getRoyalties(uint256)')) == 0xbb3bafd6 * * => 0xbb3bafd6 = 0xbb3bafd6 */ bytes4 private constant _INTERFACE_ID_ROYALTIES_CREATORCORE = 0xbb3bafd6; /** * @dev Rarible: RoyaltiesV1 * * bytes4(keccak256('getFeeRecipients(uint256)')) == 0xb9c4d9fb * bytes4(keccak256('getFeeBps(uint256)')) == 0x0ebd4c7f * * => 0xb9c4d9fb ^ 0x0ebd4c7f = 0xb7799584 */ bytes4 private constant _INTERFACE_ID_ROYALTIES_RARIBLE = 0xb7799584; /** * @dev Foundation * * bytes4(keccak256('getFees(uint256)')) == 0xd5a06d4c * * => 0xd5a06d4c = 0xd5a06d4c */ bytes4 private constant _INTERFACE_ID_ROYALTIES_FOUNDATION = 0xd5a06d4c; /** * @dev EIP-2981 * * bytes4(keccak256("royaltyInfo(uint256,uint256)")) == 0x2a55205a * * => 0x2a55205a = 0x2a55205a */ bytes4 private constant _INTERFACE_ID_ROYALTIES_EIP2981 = 0x2a55205a; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(ICreatorCore).interfaceId || interfaceId == _CREATOR_CORE_V1 || super.supportsInterface(interfaceId) || interfaceId == _INTERFACE_ID_ROYALTIES_CREATORCORE || interfaceId == _INTERFACE_ID_ROYALTIES_RARIBLE || interfaceId == _INTERFACE_ID_ROYALTIES_FOUNDATION || interfaceId == _INTERFACE_ID_ROYALTIES_EIP2981; } /** * @dev Only allows registered extensions to call the specified function */ function requireExtension() internal view { require(_extensions.contains(msg.sender), "Must be registered extension"); } /** * @dev Only allows non-blacklisted extensions */ function requireNonBlacklist(address extension) internal view { require(!_blacklistedExtensions.contains(extension), "Extension blacklisted"); } /** * @dev See {ICreatorCore-getExtensions}. */ function getExtensions() external view override returns (address[] memory extensions) { extensions = new address[](_extensions.length()); for (uint i; i < _extensions.length();) { extensions[i] = _extensions.at(i); unchecked { ++i; } } return extensions; } /** * @dev Register an extension */ function _registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) internal virtual { require(extension != address(this) && extension.isContract(), "Invalid"); emit ExtensionRegistered(extension, msg.sender); _extensionBaseURI[extension] = baseURI; _extensionBaseURIIdentical[extension] = baseURIIdentical; _extensions.add(extension); _setApproveTransferExtension(extension, true); } /** * @dev See {ICreatorCore-setApproveTransferExtension}. */ function setApproveTransferExtension(bool enabled) external override { requireExtension(); _setApproveTransferExtension(msg.sender, enabled); } /** * @dev Set whether or not tokens minted by the extension defers transfer approvals to the extension */ function _setApproveTransferExtension(address extension, bool enabled) internal virtual; /** * @dev Unregister an extension */ function _unregisterExtension(address extension) internal { emit ExtensionUnregistered(extension, msg.sender); _extensions.remove(extension); } /** * @dev Blacklist an extension */ function _blacklistExtension(address extension) internal { require(extension != address(0) && extension != address(this), "Cannot blacklist yourself"); if (_extensions.contains(extension)) { emit ExtensionUnregistered(extension, msg.sender); _extensions.remove(extension); } if (!_blacklistedExtensions.contains(extension)) { emit ExtensionBlacklisted(extension, msg.sender); _blacklistedExtensions.add(extension); } } /** * @dev Set base token uri for an extension */ function _setBaseTokenURIExtension(string calldata uri, bool identical) internal { _extensionBaseURI[msg.sender] = uri; _extensionBaseURIIdentical[msg.sender] = identical; } /** * @dev Set token uri prefix for an extension */ function _setTokenURIPrefixExtension(string calldata prefix) internal { _extensionURIPrefix[msg.sender] = prefix; } /** * @dev Set token uri for a token of an extension */ function _setTokenURIExtension(uint256 tokenId, string calldata uri) internal { require(_tokenExtension(tokenId) == msg.sender, "Invalid token"); _tokenURIs[tokenId] = uri; } /** * @dev Set base token uri for tokens with no extension */ function _setBaseTokenURI(string calldata uri) internal { _extensionBaseURI[address(0)] = uri; } /** * @dev Set token uri prefix for tokens with no extension */ function _setTokenURIPrefix(string calldata prefix) internal { _extensionURIPrefix[address(0)] = prefix; } /** * @dev Set token uri for a token with no extension */ function _setTokenURI(uint256 tokenId, string calldata uri) internal { require(tokenId > 0 && tokenId <= _tokenCount && _tokenExtension(tokenId) == address(0), "Invalid token"); _tokenURIs[tokenId] = uri; } /** * @dev Retrieve a token's URI */ function _tokenURI(uint256 tokenId) internal view returns (string memory) { require(tokenId > 0 && tokenId <= _tokenCount, "Invalid token"); address extension = _tokenExtension(tokenId); require(!_blacklistedExtensions.contains(extension), "Extension blacklisted"); if (bytes(_tokenURIs[tokenId]).length != 0) { if (bytes(_extensionURIPrefix[extension]).length != 0) { return string(abi.encodePacked(_extensionURIPrefix[extension], _tokenURIs[tokenId])); } return _tokenURIs[tokenId]; } if (ERC165Checker.supportsInterface(extension, type(ICreatorExtensionTokenURI).interfaceId)) { return ICreatorExtensionTokenURI(extension).tokenURI(address(this), tokenId); } if (!_extensionBaseURIIdentical[extension]) { return string(abi.encodePacked(_extensionBaseURI[extension], tokenId.toString())); } else { return _extensionBaseURI[extension]; } } /** * Helper to get royalties for a token */ function _getRoyalties(uint256 tokenId) view internal returns (address payable[] memory receivers, uint256[] memory bps) { // Get token level royalties RoyaltyConfig[] memory royalties = _tokenRoyalty[tokenId]; if (royalties.length == 0) { // Get extension specific royalties address extension = _tokenExtension(tokenId); if (extension != address(0)) { if (ERC165Checker.supportsInterface(extension, type(ICreatorExtensionRoyalties).interfaceId)) { (receivers, bps) = ICreatorExtensionRoyalties(extension).getRoyalties(address(this), tokenId); // Extension override exists, just return that if (receivers.length > 0) return (receivers, bps); } royalties = _extensionRoyalty[extension]; } } if (royalties.length == 0) { // Get the default royalty royalties = _extensionRoyalty[address(0)]; } if (royalties.length > 0) { receivers = new address payable[](royalties.length); bps = new uint256[](royalties.length); for (uint i; i < royalties.length;) { receivers[i] = royalties[i].receiver; bps[i] = royalties[i].bps; unchecked { ++i; } } } } /** * Helper to get royalty receivers for a token */ function _getRoyaltyReceivers(uint256 tokenId) view internal returns (address payable[] memory recievers) { (recievers, ) = _getRoyalties(tokenId); } /** * Helper to get royalty basis points for a token */ function _getRoyaltyBPS(uint256 tokenId) view internal returns (uint256[] memory bps) { (, bps) = _getRoyalties(tokenId); } function _getRoyaltyInfo(uint256 tokenId, uint256 value) view internal returns (address receiver, uint256 amount){ (address payable[] memory receivers, uint256[] memory bps) = _getRoyalties(tokenId); require(receivers.length <= 1, "More than 1 royalty receiver"); if (receivers.length == 0) { return (address(this), 0); } return (receivers[0], bps[0]*value/10000); } /** * Set royalties for a token */ function _setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) internal { _checkRoyalties(receivers, basisPoints); delete _tokenRoyalty[tokenId]; _setRoyalties(receivers, basisPoints, _tokenRoyalty[tokenId]); emit RoyaltiesUpdated(tokenId, receivers, basisPoints); } /** * Set royalties for all tokens of an extension */ function _setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) internal { _checkRoyalties(receivers, basisPoints); delete _extensionRoyalty[extension]; _setRoyalties(receivers, basisPoints, _extensionRoyalty[extension]); if (extension == address(0)) { emit DefaultRoyaltiesUpdated(receivers, basisPoints); } else { emit ExtensionRoyaltiesUpdated(extension, receivers, basisPoints); } } /** * Helper function to check that royalties provided are valid */ function _checkRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) private pure { require(receivers.length == basisPoints.length, "Invalid input"); uint256 totalBasisPoints; for (uint i; i < basisPoints.length;) { totalBasisPoints += basisPoints[i]; unchecked { ++i; } } require(totalBasisPoints < 10000, "Invalid total royalties"); } /** * Helper function to set royalties */ function _setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints, RoyaltyConfig[] storage royalties) private { for (uint i; i < basisPoints.length;) { royalties.push( RoyaltyConfig( { receiver: receivers[i], bps: uint16(basisPoints[i]) } ) ); unchecked { ++i; } } } /** * @dev Set the base contract's approve transfer contract location */ function _setApproveTransferBase(address extension) internal { _approveTransferBase = extension; emit ApproveTransferUpdated(extension); } /** * @dev See {ICreatorCore-getApproveTransfer}. */ function getApproveTransfer() external view override returns (address) { return _approveTransferBase; } /** * @dev Get the extension for the given token */ function _tokenExtension(uint256 tokenId) internal virtual view returns(address); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * @dev Core creator interface */ interface ICreatorCore is IERC165 { event ExtensionRegistered(address indexed extension, address indexed sender); event ExtensionUnregistered(address indexed extension, address indexed sender); event ExtensionBlacklisted(address indexed extension, address indexed sender); event MintPermissionsUpdated(address indexed extension, address indexed permissions, address indexed sender); event RoyaltiesUpdated(uint256 indexed tokenId, address payable[] receivers, uint256[] basisPoints); event DefaultRoyaltiesUpdated(address payable[] receivers, uint256[] basisPoints); event ApproveTransferUpdated(address extension); event ExtensionRoyaltiesUpdated(address indexed extension, address payable[] receivers, uint256[] basisPoints); event ExtensionApproveTransferUpdated(address indexed extension, bool enabled); /** * @dev gets address of all extensions */ function getExtensions() external view returns (address[] memory); /** * @dev add an extension. Can only be called by contract owner or admin. * extension address must point to a contract implementing ICreatorExtension. * Returns True if newly added, False if already added. */ function registerExtension(address extension, string calldata baseURI) external; /** * @dev add an extension. Can only be called by contract owner or admin. * extension address must point to a contract implementing ICreatorExtension. * Returns True if newly added, False if already added. */ function registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) external; /** * @dev add an extension. Can only be called by contract owner or admin. * Returns True if removed, False if already removed. */ function unregisterExtension(address extension) external; /** * @dev blacklist an extension. Can only be called by contract owner or admin. * This function will destroy all ability to reference the metadata of any tokens created * by the specified extension. It will also unregister the extension if needed. * Returns True if removed, False if already removed. */ function blacklistExtension(address extension) external; /** * @dev set the baseTokenURI of an extension. Can only be called by extension. */ function setBaseTokenURIExtension(string calldata uri) external; /** * @dev set the baseTokenURI of an extension. Can only be called by extension. * For tokens with no uri configured, tokenURI will return "uri+tokenId" */ function setBaseTokenURIExtension(string calldata uri, bool identical) external; /** * @dev set the common prefix of an extension. Can only be called by extension. * If configured, and a token has a uri set, tokenURI will return "prefixURI+tokenURI" * Useful if you want to use ipfs/arweave */ function setTokenURIPrefixExtension(string calldata prefix) external; /** * @dev set the tokenURI of a token extension. Can only be called by extension that minted token. */ function setTokenURIExtension(uint256 tokenId, string calldata uri) external; /** * @dev set the tokenURI of a token extension for multiple tokens. Can only be called by extension that minted token. */ function setTokenURIExtension(uint256[] memory tokenId, string[] calldata uri) external; /** * @dev set the baseTokenURI for tokens with no extension. Can only be called by owner/admin. * For tokens with no uri configured, tokenURI will return "uri+tokenId" */ function setBaseTokenURI(string calldata uri) external; /** * @dev set the common prefix for tokens with no extension. Can only be called by owner/admin. * If configured, and a token has a uri set, tokenURI will return "prefixURI+tokenURI" * Useful if you want to use ipfs/arweave */ function setTokenURIPrefix(string calldata prefix) external; /** * @dev set the tokenURI of a token with no extension. Can only be called by owner/admin. */ function setTokenURI(uint256 tokenId, string calldata uri) external; /** * @dev set the tokenURI of multiple tokens with no extension. Can only be called by owner/admin. */ function setTokenURI(uint256[] memory tokenIds, string[] calldata uris) external; /** * @dev set a permissions contract for an extension. Used to control minting. */ function setMintPermissions(address extension, address permissions) external; /** * @dev Configure so transfers of tokens created by the caller (must be extension) gets approval * from the extension before transferring */ function setApproveTransferExtension(bool enabled) external; /** * @dev get the extension of a given token */ function tokenExtension(uint256 tokenId) external view returns (address); /** * @dev Set default royalties */ function setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) external; /** * @dev Set royalties of a token */ function setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) external; /** * @dev Set royalties of an extension */ function setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) external; /** * @dev Get royalites of a token. Returns list of receivers and basisPoints */ function getRoyalties(uint256 tokenId) external view returns (address payable[] memory, uint256[] memory); // Royalty support for various other standards function getFeeRecipients(uint256 tokenId) external view returns (address payable[] memory); function getFeeBps(uint256 tokenId) external view returns (uint[] memory); function getFees(uint256 tokenId) external view returns (address payable[] memory, uint256[] memory); function royaltyInfo(uint256 tokenId, uint256 value) external view returns (address, uint256); /** * @dev Set the default approve transfer contract location. */ function setApproveTransfer(address extension) external; /** * @dev Get the default approve transfer contract location. */ function getApproveTransfer() external view returns (address); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "./CreatorCore.sol"; /** * @dev Core ERC1155 creator interface */ interface IERC1155CreatorCore is ICreatorCore { /** * @dev mint a token with no extension. Can only be called by an admin. * * @param to - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients) * @param amounts - Can be a single element array (all recipients get the same amount) or a multi-element array * @param uris - If no elements, all tokens use the default uri. * If any element is an empty string, the corresponding token uses the default uri. * * * Requirements: If to is a multi-element array, then uris must be empty or single element array * If to is a multi-element array, then amounts must be a single element array or a multi-element array of the same size * If to is a single element array, uris must be empty or the same length as amounts * * Examples: * mintBaseNew(['0x....1', '0x....2'], [1], []) * Mints a single new token, and gives 1 each to '0x....1' and '0x....2'. Token uses default uri. * * mintBaseNew(['0x....1', '0x....2'], [1, 2], []) * Mints a single new token, and gives 1 to '0x....1' and 2 to '0x....2'. Token uses default uri. * * mintBaseNew(['0x....1'], [1, 2], ["", "http://token2.com"]) * Mints two new tokens to '0x....1'. 1 of the first token, 2 of the second. 1st token uses default uri, second uses "http://token2.com". * * @return Returns list of tokenIds minted */ function mintBaseNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external returns (uint256[] memory); /** * @dev batch mint existing token with no extension. Can only be called by an admin. * * @param to - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients) * @param tokenIds - Can be a single element array (all recipients get the same token) or a multi-element array * @param amounts - Can be a single element array (all recipients get the same amount) or a multi-element array * * Requirements: If any of the parameters are multi-element arrays, they need to be the same length as other multi-element arrays * * Examples: * mintBaseExisting(['0x....1', '0x....2'], [1], [10]) * Mints 10 of tokenId 1 to each of '0x....1' and '0x....2'. * * mintBaseExisting(['0x....1', '0x....2'], [1, 2], [10, 20]) * Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 2 to '0x....2'. * * mintBaseExisting(['0x....1'], [1, 2], [10, 20]) * Mints 10 of tokenId 1 and 20 of tokenId 2 to '0x....1'. * * mintBaseExisting(['0x....1', '0x....2'], [1], [10, 20]) * Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 1 to '0x....2'. * */ function mintBaseExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) external; /** * @dev mint a token from an extension. Can only be called by a registered extension. * * @param to - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients) * @param amounts - Can be a single element array (all recipients get the same amount) or a multi-element array * @param uris - If no elements, all tokens use the default uri. * If any element is an empty string, the corresponding token uses the default uri. * * * Requirements: If to is a multi-element array, then uris must be empty or single element array * If to is a multi-element array, then amounts must be a single element array or a multi-element array of the same size * If to is a single element array, uris must be empty or the same length as amounts * * Examples: * mintExtensionNew(['0x....1', '0x....2'], [1], []) * Mints a single new token, and gives 1 each to '0x....1' and '0x....2'. Token uses default uri. * * mintExtensionNew(['0x....1', '0x....2'], [1, 2], []) * Mints a single new token, and gives 1 to '0x....1' and 2 to '0x....2'. Token uses default uri. * * mintExtensionNew(['0x....1'], [1, 2], ["", "http://token2.com"]) * Mints two new tokens to '0x....1'. 1 of the first token, 2 of the second. 1st token uses default uri, second uses "http://token2.com". * * @return Returns list of tokenIds minted */ function mintExtensionNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external returns (uint256[] memory); /** * @dev batch mint existing token from extension. Can only be called by a registered extension. * * @param to - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients) * @param tokenIds - Can be a single element array (all recipients get the same token) or a multi-element array * @param amounts - Can be a single element array (all recipients get the same amount) or a multi-element array * * Requirements: If any of the parameters are multi-element arrays, they need to be the same length as other multi-element arrays * * Examples: * mintExtensionExisting(['0x....1', '0x....2'], [1], [10]) * Mints 10 of tokenId 1 to each of '0x....1' and '0x....2'. * * mintExtensionExisting(['0x....1', '0x....2'], [1, 2], [10, 20]) * Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 2 to '0x....2'. * * mintExtensionExisting(['0x....1'], [1, 2], [10, 20]) * Mints 10 of tokenId 1 and 20 of tokenId 2 to '0x....1'. * * mintExtensionExisting(['0x....1', '0x....2'], [1], [10, 20]) * Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 1 to '0x....2'. * */ function mintExtensionExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) 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 in with a given tokenId. */ function totalSupply(uint256 tokenId) external view returns (uint256); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * @dev Implement this if you want your extension to have overloadable royalties */ interface ICreatorExtensionRoyalties is IERC165 { /** * Get the royalties for a given creator/tokenId */ function getRoyalties(address creator, uint256 tokenId) external view returns (address payable[] memory, uint256[] memory); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * @dev Implement this if you want your extension to have overloadable URI's */ interface ICreatorExtensionTokenURI is IERC165 { /** * Get the uri for a given creator/tokenId */ function tokenURI(address creator, uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "./IAdminControl.sol"; abstract contract AdminControl is Ownable, IAdminControl, ERC165 { using EnumerableSet for EnumerableSet.AddressSet; // Track registered admins EnumerableSet.AddressSet private _admins; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IAdminControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Only allows approved admins to call the specified function */ modifier adminRequired() { require(owner() == msg.sender || _admins.contains(msg.sender), "AdminControl: Must be owner or admin"); _; } /** * @dev See {IAdminControl-getAdmins}. */ function getAdmins() external view override returns (address[] memory admins) { admins = new address[](_admins.length()); for (uint i = 0; i < _admins.length(); i++) { admins[i] = _admins.at(i); } return admins; } /** * @dev See {IAdminControl-approveAdmin}. */ function approveAdmin(address admin) external override onlyOwner { if (!_admins.contains(admin)) { emit AdminApproved(admin, msg.sender); _admins.add(admin); } } /** * @dev See {IAdminControl-revokeAdmin}. */ function revokeAdmin(address admin) external override onlyOwner { if (_admins.contains(admin)) { emit AdminRevoked(admin, msg.sender); _admins.remove(admin); } } /** * @dev See {IAdminControl-isAdmin}. */ function isAdmin(address admin) public override view returns (bool) { return (owner() == admin || _admins.contains(admin)); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * @dev Interface for admin control */ interface IAdminControl is IERC165 { event AdminApproved(address indexed account, address indexed sender); event AdminRevoked(address indexed account, address indexed sender); /** * @dev gets address of all admins */ function getAdmins() external view returns (address[] memory); /** * @dev add an admin. Can only be called by contract owner. */ function approveAdmin(address admin) external; /** * @dev remove an admin. Can only be called by contract owner. */ function revokeAdmin(address admin) external; /** * @dev checks whether or not given address is an admin * Returns True if they are */ function isAdmin(address admin) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // 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 v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// 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 (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev _Available since v3.1._ */ interface IERC1155Receiver is IERC165 { /** * @dev Handles the receipt of a single ERC1155 token type. This function is * called at the end of a `safeTransferFrom` after the balance has been updated. * * NOTE: To accept the transfer, this must return * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` * (i.e. 0xf23a6e61, or its own function selector). * * @param operator The address which initiated the transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param id The ID of the token being transferred * @param value The amount of tokens being transferred * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed */ function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external returns (bytes4); /** * @dev Handles the receipt of a multiple ERC1155 token types. This function * is called at the end of a `safeBatchTransferFrom` after the balances have * been updated. * * NOTE: To accept the transfer(s), this must return * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` * (i.e. 0xbc197c81, or its own function selector). * * @param operator The address which initiated the batch transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param ids An array containing ids of each token being transferred (order and length must match values array) * @param values An array containing amounts of each token being transferred (order and length must match ids array) * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed */ function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external returns (bytes4); }
// 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/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/cryptography/MerkleProof.sol) pragma solidity ^0.8.0; /** * @dev These functions deal with verification of Merkle Tree proofs. * * The proofs can be generated using the JavaScript library * https://github.com/miguelmota/merkletreejs[merkletreejs]. * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled. * * See `test/utils/cryptography/MerkleProof.test.js` for some examples. * * WARNING: You should avoid using leaf values that are 64 bytes long prior to * hashing, or use a hash function other than keccak256 for hashing leaves. * This is because the concatenation of a sorted pair of internal nodes in * the merkle tree could be reinterpreted as a leaf value. */ library MerkleProof { /** * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree * defined by `root`. For this, a `proof` must be provided, containing * sibling hashes on the branch from the leaf to the root of the tree. Each * pair of leaves and each pair of pre-images are assumed to be sorted. */ function verify( bytes32[] memory proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProof(proof, leaf) == root; } /** * @dev Calldata version of {verify} * * _Available since v4.7._ */ function verifyCalldata( bytes32[] calldata proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProofCalldata(proof, leaf) == root; } /** * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt * hash matches the root of the tree. When processing the proof, the pairs * of leafs & pre-images are assumed to be sorted. * * _Available since v4.4._ */ function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Calldata version of {processProof} * * _Available since v4.7._ */ function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Returns true if the `leaves` can be proved to be a part of a Merkle tree defined by * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}. * * _Available since v4.7._ */ function multiProofVerify( bytes32[] memory proof, bool[] memory proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProof(proof, proofFlags, leaves) == root; } /** * @dev Calldata version of {multiProofVerify} * * _Available since v4.7._ */ function multiProofVerifyCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProofCalldata(proof, proofFlags, leaves) == root; } /** * @dev Returns the root of a tree reconstructed from `leaves` and the sibling nodes in `proof`, * consuming from one or the other at each step according to the instructions given by * `proofFlags`. * * _Available since v4.7._ */ function processMultiProof( bytes32[] memory proof, bool[] memory proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Calldata version of {processMultiProof} * * _Available since v4.7._ */ function processMultiProofCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) { return a < b ? _efficientHash(a, b) : _efficientHash(b, a); } function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) { /// @solidity memory-safe-assembly assembly { mstore(0x00, a) mstore(0x20, b) value := keccak256(0x00, 0x40) } } }
// 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 (last updated v4.7.2) (utils/introspection/ERC165Checker.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Library used to query support of an interface declared via {IERC165}. * * Note that these functions return the actual result of the query: they do not * `revert` if an interface is not supported. It is up to the caller to decide * what to do in these cases. */ library ERC165Checker { // As per the EIP-165 spec, no interface should ever match 0xffffffff bytes4 private constant _INTERFACE_ID_INVALID = 0xffffffff; /** * @dev Returns true if `account` supports the {IERC165} interface, */ function supportsERC165(address account) internal view returns (bool) { // Any contract that implements ERC165 must explicitly indicate support of // InterfaceId_ERC165 and explicitly indicate non-support of InterfaceId_Invalid return _supportsERC165Interface(account, type(IERC165).interfaceId) && !_supportsERC165Interface(account, _INTERFACE_ID_INVALID); } /** * @dev Returns true if `account` supports the interface defined by * `interfaceId`. Support for {IERC165} itself is queried automatically. * * See {IERC165-supportsInterface}. */ function supportsInterface(address account, bytes4 interfaceId) internal view returns (bool) { // query support of both ERC165 as per the spec and support of _interfaceId return supportsERC165(account) && _supportsERC165Interface(account, interfaceId); } /** * @dev Returns a boolean array where each value corresponds to the * interfaces passed in and whether they're supported or not. This allows * you to batch check interfaces for a contract where your expectation * is that some interfaces may not be supported. * * See {IERC165-supportsInterface}. * * _Available since v3.4._ */ function getSupportedInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool[] memory) { // an array of booleans corresponding to interfaceIds and whether they're supported or not bool[] memory interfaceIdsSupported = new bool[](interfaceIds.length); // query support of ERC165 itself if (supportsERC165(account)) { // query support of each interface in interfaceIds for (uint256 i = 0; i < interfaceIds.length; i++) { interfaceIdsSupported[i] = _supportsERC165Interface(account, interfaceIds[i]); } } return interfaceIdsSupported; } /** * @dev Returns true if `account` supports all the interfaces defined in * `interfaceIds`. Support for {IERC165} itself is queried automatically. * * Batch-querying can lead to gas savings by skipping repeated checks for * {IERC165} support. * * See {IERC165-supportsInterface}. */ function supportsAllInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool) { // query support of ERC165 itself if (!supportsERC165(account)) { return false; } // query support of each interface in _interfaceIds for (uint256 i = 0; i < interfaceIds.length; i++) { if (!_supportsERC165Interface(account, interfaceIds[i])) { return false; } } // all interfaces supported return true; } /** * @notice Query if a contract implements an interface, does not check ERC165 support * @param account The address of the contract to query for support of an interface * @param interfaceId The interface identifier, as specified in ERC-165 * @return true if the contract at account indicates support of the interface with * identifier interfaceId, false otherwise * @dev Assumes that account contains a contract that supports ERC165, otherwise * the behavior of this method is undefined. This precondition can be checked * with {supportsERC165}. * Interface identification is specified in ERC-165. */ function _supportsERC165Interface(address account, bytes4 interfaceId) private view returns (bool) { // prepare call bytes memory encodedParams = abi.encodeWithSelector(IERC165.supportsInterface.selector, interfaceId); // perform static call bool success; uint256 returnSize; uint256 returnValue; assembly { success := staticcall(30000, account, add(encodedParams, 0x20), mload(encodedParams), 0x00, 0x20) returnSize := returndatasize() returnValue := mload(0x00) } return success && returnSize >= 0x20 && returnValue > 0; } }
// 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 (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) (utils/structs/EnumerableSet.sol) pragma solidity ^0.8.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. * * [WARNING] * ==== * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable. * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info. * * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet. * ==== */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { bytes32 lastValue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastValue; // Update the index for the moved value set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { return _values(set._inner); } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint160(uint256(_at(set._inner, index)))); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz /** * Manifold Membership interface */ interface IManifoldMembership { function isActiveMember(address sender) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; ///////////////////////////////////////////////////////////////////////////////////// // // // // // .%(#. // // #(((#%, // // (#(((((#%* // // /#((((((((##* // // (#((((((((((##%. // // ,##(/*/(////((((#%* // // .###(//****/////(((##%, // // (, ,%#((((((///******/////((##%( // // *((, ,##(///////*********////((###%* // // /(((( ,##(//////************/(((((###% // // /(((( ,##((////***************/((((###% // // ((( .###((///*****************((((#### // // . (##((//*******************((((##%* // // (#. .###((/********************((((##%. %. // // ,%(#. .###(/********,,,,,,,*****/(((###%# ((%, // // /%#/(/ /###(//****,,,,,,,,,,,****/((((((##%%%%#((#%. // // /##(//(#. ,###((/****,,,,,,,,,,,,,***/((/(((((((((#####% // // *%##(/////((###((((/***,,,,,,,,,,,,,,,***//((((((((((####%%%/ // // ####(((//////(//////**,,,,,,.....,,,,,,****/(((((//((####%%%% // // .####(((/((((((/////**,,,,,.......,,,,,,,,*****/////(#####%%%% // // .#%###((////(((//***,,,,,,..........,,,,,,,,*****//((#####%%%% // // /%%%###/////*****,,,,,,,..............,,,,,,,****/(((####%%%% // // /%%###(////****,,,,,,..... ......,,,,,,**(((####%%%% // // ,#%###(///****,,,,,.... .....,,,,,***/(/(##%%( // // (####(//****,,.... ....,,,,,***/(#### // // (###(/***,,,... ...,,,,***(##/ // // #. (#((/**,,,,.. ...,,,,*((#, // // ,#(##(((//,,,,.. ...,,,*/(((#((/ // // *#(((///*,,.... ....,*//(((( // // *(///***,.... ...,***//, // // ,//***,... ..,,*, // // // // // ///////////////////////////////////////////////////////////////////////////////////// import "@manifoldxyz/creator-core-solidity/contracts/extensions/ICreatorExtensionTokenURI.sol"; import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol"; import "@manifoldxyz/libraries-solidity/contracts/access/IAdminControl.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; import "../../libraries/manifold-membership/IManifoldMembership.sol"; import "./BurnRedeemLib.sol"; import "./IBurnRedeemCore.sol"; import "./Interfaces.sol"; /** * @title Burn Redeem Core * @author manifold.xyz * @notice Core logic for Burn Redeem shared extensions. */ abstract contract BurnRedeemCore is ERC165, AdminControl, ReentrancyGuard, IBurnRedeemCore, ICreatorExtensionTokenURI { using Strings for uint256; uint256 public constant BURN_FEE = 690000000000000; uint256 public constant MULTI_BURN_FEE = 990000000000000; string internal constant ARWEAVE_PREFIX = "https://arweave.net/"; string internal constant IPFS_PREFIX = "ipfs://"; uint256 internal constant MAX_UINT_16 = 0xffff; uint256 internal constant MAX_UINT_24 = 0xffffff; uint256 internal constant MAX_UINT_32 = 0xffffffff; uint256 internal constant MAX_UINT_56 = 0xffffffffffffff; uint256 internal constant MAX_UINT_256 = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff; // { creatorContractAddress => { instanceId => BurnRedeem } } mapping(address => mapping(uint256 => BurnRedeem)) internal _burnRedeems; address public manifoldMembershipContract; function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165, AdminControl) returns (bool) { return interfaceId == type(IBurnRedeemCore).interfaceId || interfaceId == type(IERC721Receiver).interfaceId || interfaceId == type(IERC1155Receiver).interfaceId || interfaceId == type(ICreatorExtensionTokenURI).interfaceId || super.supportsInterface(interfaceId); } /** * @notice This extension is shared, not single-creator. So we must ensure * that a burn redeems's initializer is an admin on the creator contract * @param creatorContractAddress the address of the creator contract to check the admin against */ modifier creatorAdminRequired(address creatorContractAddress) { require(IAdminControl(creatorContractAddress).isAdmin(msg.sender), "Wallet is not an admin"); _; } /** * Initialiazes a burn redeem with base parameters */ function _initialize( address creatorContractAddress, uint8 creatorContractVersion, uint256 instanceId, BurnRedeemParameters calldata burnRedeemParameters ) internal { BurnRedeemLib.initialize(creatorContractAddress, creatorContractVersion, instanceId, _burnRedeems[creatorContractAddress][instanceId], burnRedeemParameters); } /** * Updates a burn redeem with base parameters */ function _update( address creatorContractAddress, uint256 instanceId, BurnRedeemParameters calldata burnRedeemParameters ) internal { BurnRedeemLib.update(creatorContractAddress, instanceId, _getBurnRedeem(creatorContractAddress, instanceId), burnRedeemParameters); } /** * See {IBurnRedeemCore-getBurnRedeem}. */ function getBurnRedeem(address creatorContractAddress, uint256 instanceId) external override view returns(BurnRedeem memory) { return _getBurnRedeem(creatorContractAddress, instanceId); } /** * Helper to get burn redeem instance */ function _getBurnRedeem(address creatorContractAddress, uint256 instanceId) internal view returns(BurnRedeem storage burnRedeemInstance) { burnRedeemInstance = _burnRedeems[creatorContractAddress][instanceId]; require(burnRedeemInstance.storageProtocol != StorageProtocol.INVALID, "Burn redeem not initialized"); } /** * Helper to get active burn redeem instance */ function _getActiveBurnRedeem(address creatorContractAddress, uint256 instanceId) private view returns(BurnRedeem storage burnRedeemInstance) { burnRedeemInstance = _burnRedeems[creatorContractAddress][instanceId]; require(burnRedeemInstance.storageProtocol != StorageProtocol.INVALID, "Burn redeem not initialized"); require( burnRedeemInstance.startDate <= block.timestamp && (block.timestamp < burnRedeemInstance.endDate || burnRedeemInstance.endDate == 0), "Burn redeem not active" ); } /** * See {IBurnRedeemCore-burnRedeem}. */ function burnRedeem(address creatorContractAddress, uint256 instanceId, uint32 burnRedeemCount, BurnToken[] calldata burnTokens) external payable override nonReentrant { uint256 payableCost = _burnRedeem(msg.value, creatorContractAddress, instanceId, burnRedeemCount, burnTokens, _isActiveMember(msg.sender), true); if (msg.value > payableCost) { _forwardValue(payable(msg.sender), msg.value - payableCost); } } /** * (Batch overload) see {IBurnRedeemCore-burnRedeem}. */ function burnRedeem(address[] calldata creatorContractAddresses, uint256[] calldata instanceIds, uint32[] calldata burnRedeemCounts, BurnToken[][] calldata burnTokens) external payable override nonReentrant { require( creatorContractAddresses.length == instanceIds.length && creatorContractAddresses.length == burnRedeemCounts.length && creatorContractAddresses.length == burnTokens.length, "Invalid calldata" ); bool isActiveMember = _isActiveMember(msg.sender); uint256 msgValueRemaining = msg.value; for (uint256 i; i < creatorContractAddresses.length;) { msgValueRemaining -= _burnRedeem(msgValueRemaining, creatorContractAddresses[i], instanceIds[i], burnRedeemCounts[i], burnTokens[i], isActiveMember, false); unchecked { ++i; } } if (msgValueRemaining != 0) { _forwardValue(payable(msg.sender), msgValueRemaining); } } /** * See {IBurnRedeemCore-airdrop}. */ function airdrop(address creatorContractAddress, uint256 instanceId, address[] calldata recipients, uint32[] calldata amounts) external override creatorAdminRequired(creatorContractAddress) { require(recipients.length == amounts.length, "Invalid calldata"); BurnRedeem storage burnRedeemInstance = _getBurnRedeem(creatorContractAddress, instanceId); uint256 totalAmount; for (uint256 i; i < amounts.length;) { totalAmount += amounts[i] * burnRedeemInstance.redeemAmount; unchecked{ ++i; } } require( totalAmount + burnRedeemInstance.redeemedCount <= MAX_UINT_32, "Invalid amount" ); // Airdrop the tokens for (uint256 i; i < recipients.length;) { _redeem(creatorContractAddress, instanceId, burnRedeemInstance, recipients[i], amounts[i]); unchecked{ ++i; } } BurnRedeemLib.syncTotalSupply(burnRedeemInstance); } function _burnRedeem(uint256 msgValue, address creatorContractAddress, uint256 instanceId, uint32 burnRedeemCount, BurnToken[] calldata burnTokens, bool isActiveMember, bool revertNoneRemaining) private returns (uint256) { BurnRedeem storage burnRedeemInstance = _getActiveBurnRedeem(creatorContractAddress, instanceId); // Get the amount that can be burned burnRedeemCount = _getAvailableBurnRedeemCount(burnRedeemInstance.totalSupply, burnRedeemInstance.redeemedCount, burnRedeemInstance.redeemAmount, burnRedeemCount); if (burnRedeemCount == 0) { if (revertNoneRemaining) revert("No tokens available"); return 0; } uint256 payableCost = burnRedeemInstance.cost; uint256 cost = burnRedeemInstance.cost; if (!isActiveMember) { payableCost += _getManifoldFee(burnTokens.length); } if (burnRedeemCount > 1) { payableCost *= burnRedeemCount; cost *= burnRedeemCount; } require(msgValue >= payableCost, "Invalid amount"); if (cost > 0) { _forwardValue(burnRedeemInstance.paymentReceiver, cost); } // Do burn redeem _burnTokens(burnRedeemInstance, burnTokens, burnRedeemCount, msg.sender); _redeem(creatorContractAddress, instanceId, burnRedeemInstance, msg.sender, burnRedeemCount); return payableCost; } /** * @dev See {IBurnRedeemCore-recoverERC721}. */ function recoverERC721(address tokenAddress, uint256 tokenId, address destination) external override adminRequired { IERC721(tokenAddress).transferFrom(address(this), destination, tokenId); } /** * @dev See {IBurnRedeemCore-withdraw}. */ function withdraw(address payable recipient, uint256 amount) external override adminRequired { (bool sent, ) = recipient.call{value: amount}(""); require(sent, "Failed to transfer to recipient"); } /** * @dev See {IBurnRedeemCore-setManifoldMembership}. */ function setMembershipAddress(address addr) external override adminRequired { manifoldMembershipContract = addr; } /** * @dev See {IERC721Receiver-onERC721Received}. */ function onERC721Received( address, address from, uint256 id, bytes calldata data ) external override nonReentrant returns(bytes4) { _onERC721Received(from, id, data); return this.onERC721Received.selector; } /** * @dev See {IERC1155Receiver-onERC1155Received}. */ function onERC1155Received( address, address from, uint256 id, uint256 value, bytes calldata data ) external override nonReentrant returns(bytes4) { // Check calldata is valid require(data.length % 32 == 0, "Invalid data"); address creatorContractAddress; uint256 instanceId; uint32 burnRedeemCount; uint256 burnItemIndex; bytes32[] memory merkleProof; (creatorContractAddress, instanceId, burnRedeemCount, burnItemIndex, merkleProof) = abi.decode(data, (address, uint256, uint32, uint256, bytes32[])); // Do burn redeem _onERC1155Received(from, id, value, creatorContractAddress, instanceId, burnRedeemCount, burnItemIndex, merkleProof); return this.onERC1155Received.selector; } /** * @dev See {IERC1155Receiver-onERC1155BatchReceived}. */ function onERC1155BatchReceived( address, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external override nonReentrant returns(bytes4) { // Check calldata is valid require(data.length % 32 == 0, "Invalid data"); address creatorContractAddress; uint256 instanceId; uint32 burnRedeemCount; BurnToken[] memory burnTokens; (creatorContractAddress, instanceId, burnRedeemCount, burnTokens) = abi.decode(data, (address, uint256, uint32, BurnToken[])); // Do burn redeem _onERC1155BatchReceived(from, ids, values, creatorContractAddress, instanceId, burnRedeemCount, burnTokens); return this.onERC1155BatchReceived.selector; } /** * @notice ERC721 token transfer callback * @param from the person sending the tokens * @param id the token id of the burn token * @param data bytes indicating the target burnRedeem and, optionally, a merkle proof that the token is valid */ function _onERC721Received( address from, uint256 id, bytes calldata data ) private { // Check calldata is valid require(data.length % 32 == 0, "Invalid data"); address creatorContractAddress; uint256 instanceId; uint256 burnItemIndex; bytes32[] memory merkleProof; (creatorContractAddress, instanceId, burnItemIndex, merkleProof) = abi.decode(data, (address, uint256, uint256, bytes32[])); BurnRedeem storage burnRedeemInstance = _getActiveBurnRedeem(creatorContractAddress, instanceId); // A single ERC721 can only be sent in directly for a burn if: // 1. There is no cost to the burn (because no payment can be sent with a transfer) // 2. The burn only requires one NFT (one burnSet element and one count) // 3. They are an active member (because no fee payment can be sent with a transfer) require( burnRedeemInstance.cost == 0 && burnRedeemInstance.burnSet.length == 1 && burnRedeemInstance.burnSet[0].requiredCount == 1 && _isActiveMember(from), "Invalid input" ); uint256 burnRedeemCount = _getAvailableBurnRedeemCount(burnRedeemInstance.totalSupply, burnRedeemInstance.redeemedCount, burnRedeemInstance.redeemAmount, 1); require(burnRedeemCount != 0, "No tokens available"); // Check that the burn token is valid BurnItem memory burnItem = burnRedeemInstance.burnSet[0].items[burnItemIndex]; // Can only take in one burn item require(burnItem.tokenSpec == TokenSpec.ERC721, "Invalid input"); BurnRedeemLib.validateBurnItem(burnItem, msg.sender, id, merkleProof); // Do burn and redeem _burn(burnItem, address(this), msg.sender, id, 1); _redeem(creatorContractAddress, instanceId, burnRedeemInstance, from, 1); } /** * Execute onERC1155Received burn/redeem */ function _onERC1155Received(address from, uint256 tokenId, uint256 value, address creatorContractAddress, uint256 instanceId, uint32 burnRedeemCount, uint256 burnItemIndex, bytes32[] memory merkleProof) private { BurnRedeem storage burnRedeemInstance = _getActiveBurnRedeem(creatorContractAddress, instanceId); // A single 1155 can only be sent in directly for a burn if: // 1. There is no cost to the burn (because no payment can be sent with a transfer) // 2. The burn only requires one NFT (one burn set element and one required count in the set) // 3. They are an active member (because no fee payment can be sent with a transfer) require( burnRedeemInstance.cost == 0 && burnRedeemInstance.burnSet.length == 1 && burnRedeemInstance.burnSet[0].requiredCount == 1 && _isActiveMember(from), "Invalid input" ); uint32 availableBurnRedeemCount = _getAvailableBurnRedeemCount(burnRedeemInstance.totalSupply, burnRedeemInstance.redeemedCount, burnRedeemInstance.redeemAmount, burnRedeemCount); require(availableBurnRedeemCount != 0, "No tokens available"); // Check that the burn token is valid BurnItem memory burnItem = burnRedeemInstance.burnSet[0].items[burnItemIndex]; require(value == burnItem.amount * burnRedeemCount, "Invalid input"); BurnRedeemLib.validateBurnItem(burnItem, msg.sender, tokenId, merkleProof); _burn(burnItem, address(this), msg.sender, tokenId, availableBurnRedeemCount); _redeem(creatorContractAddress, instanceId, burnRedeemInstance, from, availableBurnRedeemCount); // Return excess amount if (availableBurnRedeemCount != burnRedeemCount) { IERC1155(msg.sender).safeTransferFrom(address(this), from, tokenId, (burnRedeemCount - availableBurnRedeemCount) * burnItem.amount, ""); } } /** * Execute onERC1155BatchReceived burn/redeem */ function _onERC1155BatchReceived(address from, uint256[] memory tokenIds, uint256[] memory values, address creatorContractAddress, uint256 instanceId, uint32 burnRedeemCount, BurnToken[] memory burnTokens) private { BurnRedeem storage burnRedeemInstance = _getActiveBurnRedeem(creatorContractAddress, instanceId); // A single 1155 can only be sent in directly for a burn if: // 1. There is no cost to the burn (because no payment can be sent with a transfer) // 2. We have the right data length // 3. They are an active member (because no fee payment can be sent with a transfer) require( burnRedeemInstance.cost == 0 && burnTokens.length == tokenIds.length && _isActiveMember(from), "Invalid input" ); uint32 availableBurnRedeemCount = _getAvailableBurnRedeemCount(burnRedeemInstance.totalSupply, burnRedeemInstance.redeemedCount, burnRedeemInstance.redeemAmount, burnRedeemCount); require(availableBurnRedeemCount != 0, "No tokens available"); // Verify the values match what is needed uint256[] memory returnValues = new uint256[](tokenIds.length); for (uint256 i; i < burnTokens.length;) { BurnToken memory burnToken = burnTokens[i]; BurnItem memory burnItem = burnRedeemInstance.burnSet[burnToken.groupIndex].items[burnToken.itemIndex]; require(burnToken.id == tokenIds[i], "Invalid token"); require(burnItem.amount * burnRedeemCount == values[i], "Invalid amount"); if (availableBurnRedeemCount != burnRedeemCount) { returnValues[i] = values[i] - burnItem.amount * availableBurnRedeemCount; } unchecked { ++i; } } // Do burn redeem _burnTokens(burnRedeemInstance, burnTokens, availableBurnRedeemCount, address(this)); _redeem(creatorContractAddress, instanceId, burnRedeemInstance, from, availableBurnRedeemCount); // Return excess amount if (availableBurnRedeemCount != burnRedeemCount) { IERC1155(msg.sender).safeBatchTransferFrom(address(this), from, tokenIds, returnValues, ""); } } /** * Send funds to receiver */ function _forwardValue(address payable receiver, uint256 amount) private { (bool sent, ) = receiver.call{value: amount}(""); require(sent, "Failed to transfer to recipient"); } /** * Burn all listed tokens and check that the burn set is satisfied */ function _burnTokens(BurnRedeem storage burnRedeemInstance, BurnToken[] memory burnTokens, uint256 burnRedeemCount, address owner) private { // Check that each group in the burn set is satisfied uint256[] memory groupCounts = new uint256[](burnRedeemInstance.burnSet.length); for (uint256 i; i < burnTokens.length;) { BurnToken memory burnToken = burnTokens[i]; BurnItem memory burnItem = burnRedeemInstance.burnSet[burnToken.groupIndex].items[burnToken.itemIndex]; BurnRedeemLib.validateBurnItem(burnItem, burnToken.contractAddress, burnToken.id, burnToken.merkleProof); _burn(burnItem, owner, burnToken.contractAddress, burnToken.id, burnRedeemCount); groupCounts[burnToken.groupIndex] += burnRedeemCount; unchecked { ++i; } } for (uint256 i; i < groupCounts.length;) { require(groupCounts[i] == burnRedeemInstance.burnSet[i].requiredCount * burnRedeemCount, "Invalid number of tokens"); unchecked { ++i; } } } /** * Helper to get the Manifold fee for the sender */ function _getManifoldFee(uint256 burnTokenCount) private pure returns(uint256 fee) { fee = burnTokenCount <= 1 ? BURN_FEE : MULTI_BURN_FEE; } /** * Helper to check if the sender holds an active Manifold membership */ function _isActiveMember(address sender) private view returns(bool) { return manifoldMembershipContract != address(0) && IManifoldMembership(manifoldMembershipContract).isActiveMember(sender); } /** * Helper to get the number of burn redeems the person can accomplish */ function _getAvailableBurnRedeemCount(uint32 totalSupply, uint32 redeemedCount, uint32 redeemAmount, uint32 desiredCount) internal pure returns(uint32 burnRedeemCount) { if (totalSupply == 0) { burnRedeemCount = desiredCount; } else { uint32 remainingCount = (totalSupply - redeemedCount) / redeemAmount; if (remainingCount > desiredCount) { burnRedeemCount = desiredCount; } else { burnRedeemCount = remainingCount; } } } /** * Abstract helper to mint multiple redeem tokens. To be implemented by inheriting contracts. */ function _redeem(address creatorContractAddress, uint256 instanceId, BurnRedeem storage burnRedeemInstance, address to, uint32 count) internal virtual; /** * Helper to burn token */ function _burn(BurnItem memory burnItem, address from, address contractAddress, uint256 tokenId, uint256 burnRedeemCount) private { if (burnItem.tokenSpec == TokenSpec.ERC1155) { uint256 amount = burnItem.amount * burnRedeemCount; if (burnItem.burnSpec == BurnSpec.NONE) { // Send to 0xdEaD to burn if contract doesn't have burn function IERC1155(contractAddress).safeTransferFrom(from, address(0xdEaD), tokenId, amount, ""); } else if (burnItem.burnSpec == BurnSpec.MANIFOLD) { // Burn using the creator core's burn function uint256[] memory tokenIds = new uint256[](1); tokenIds[0] = tokenId; uint256[] memory amounts = new uint256[](1); amounts[0] = amount; Manifold1155(contractAddress).burn(from, tokenIds, amounts); } else if (burnItem.burnSpec == BurnSpec.OPENZEPPELIN) { // Burn using OpenZeppelin's burn function OZBurnable1155(contractAddress).burn(from, tokenId, amount); } else { revert("Invalid burn spec"); } } else if (burnItem.tokenSpec == TokenSpec.ERC721) { require(burnRedeemCount == 1, "Invalid burn count"); if (burnItem.burnSpec == BurnSpec.NONE) { // Send to 0xdEaD to burn if contract doesn't have burn function IERC721(contractAddress).safeTransferFrom(from, address(0xdEaD), tokenId, ""); } else if (burnItem.burnSpec == BurnSpec.MANIFOLD || burnItem.burnSpec == BurnSpec.OPENZEPPELIN) { if (from != address(this)) { // 721 `burn` functions do not have a `from` parameter, so we must verify the owner require(IERC721(contractAddress).ownerOf(tokenId) == from, "Sender is not owner"); } // Burn using the contract's burn function Burnable721(contractAddress).burn(tokenId); } else { revert("Invalid burn spec"); } } else { revert("Invalid token spec"); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; ///////////////////////////////////////////////////////////////////////////////////// // // // // // .%(#. // // #(((#%, // // (#(((((#%* // // /#((((((((##* // // (#((((((((((##%. // // ,##(/*/(////((((#%* // // .###(//****/////(((##%, // // (, ,%#((((((///******/////((##%( // // *((, ,##(///////*********////((###%* // // /(((( ,##(//////************/(((((###% // // /(((( ,##((////***************/((((###% // // ((( .###((///*****************((((#### // // . (##((//*******************((((##%* // // (#. .###((/********************((((##%. %. // // ,%(#. .###(/********,,,,,,,*****/(((###%# ((%, // // /%#/(/ /###(//****,,,,,,,,,,,****/((((((##%%%%#((#%. // // /##(//(#. ,###((/****,,,,,,,,,,,,,***/((/(((((((((#####% // // *%##(/////((###((((/***,,,,,,,,,,,,,,,***//((((((((((####%%%/ // // ####(((//////(//////**,,,,,,.....,,,,,,****/(((((//((####%%%% // // .####(((/((((((/////**,,,,,.......,,,,,,,,*****/////(#####%%%% // // .#%###((////(((//***,,,,,,..........,,,,,,,,*****//((#####%%%% // // /%%%###/////*****,,,,,,,..............,,,,,,,****/(((####%%%% // // /%%###(////****,,,,,,..... ......,,,,,,**(((####%%%% // // ,#%###(///****,,,,,.... .....,,,,,***/(/(##%%( // // (####(//****,,.... ....,,,,,***/(#### // // (###(/***,,,... ...,,,,***(##/ // // #. (#((/**,,,,.. ...,,,,*((#, // // ,#(##(((//,,,,.. ...,,,*/(((#((/ // // *#(((///*,,.... ....,*//(((( // // *(///***,.... ...,***//, // // ,//***,... ..,,*, // // // // // ///////////////////////////////////////////////////////////////////////////////////// import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol"; import "./IBurnRedeemCore.sol"; /** * @title Burn Redeem Lib * @author manifold.xyz * @notice Library for Burn Redeem shared extensions. */ library BurnRedeemLib { event BurnRedeemInitialized(address indexed creatorContract, uint256 indexed instanceId, address initializer); event BurnRedeemUpdated(address indexed creatorContract, uint256 indexed instanceId); event BurnRedeemMint(address indexed creatorContract, uint256 indexed instanceId, uint256 indexed tokenId, uint32 redeemedCount); /** * Initialiazes a burn redeem with base parameters */ function initialize( address creatorContractAddress, uint8 creatorContractVersion, uint256 instanceId, IBurnRedeemCore.BurnRedeem storage burnRedeemInstance, IBurnRedeemCore.BurnRedeemParameters calldata burnRedeemParameters ) public { // Sanity checks require(burnRedeemInstance.storageProtocol == IBurnRedeemCore.StorageProtocol.INVALID, "Burn redeem already initialized"); _validateParameters(burnRedeemParameters); // Create the burn redeem burnRedeemInstance.contractVersion = creatorContractVersion; _setParameters(burnRedeemInstance, burnRedeemParameters); _setBurnGroups(burnRedeemInstance, burnRedeemParameters.burnSet); emit BurnRedeemInitialized(creatorContractAddress, instanceId, msg.sender); } /** * Updates a burn redeem with base parameters */ function update( address creatorContractAddress, uint256 instanceId, IBurnRedeemCore.BurnRedeem storage burnRedeemInstance, IBurnRedeemCore.BurnRedeemParameters calldata burnRedeemParameters ) public { // Sanity checks require(burnRedeemInstance.storageProtocol != IBurnRedeemCore.StorageProtocol.INVALID, "Burn redeem not initialized"); _validateParameters(burnRedeemParameters); // The current redeemedCount must be divisible by redeemAmount require(burnRedeemInstance.redeemedCount % burnRedeemParameters.redeemAmount == 0, "Invalid amount"); // Overwrite the existing burnRedeem _setParameters(burnRedeemInstance, burnRedeemParameters); _setBurnGroups(burnRedeemInstance, burnRedeemParameters.burnSet); syncTotalSupply(burnRedeemInstance); emit BurnRedeemUpdated(creatorContractAddress, instanceId); } /** * Helper to update total supply if redeemedCount exceeds totalSupply after airdrop or instance update. */ function syncTotalSupply(IBurnRedeemCore.BurnRedeem storage burnRedeemInstance) public { if ( burnRedeemInstance.totalSupply != 0 && burnRedeemInstance.redeemedCount > burnRedeemInstance.totalSupply ) { burnRedeemInstance.totalSupply = burnRedeemInstance.redeemedCount; } } /* * Helper to validate burn item */ function validateBurnItem(IBurnRedeemCore.BurnItem memory burnItem, address contractAddress, uint256 tokenId, bytes32[] memory merkleProof) public pure { require(contractAddress == burnItem.contractAddress, "Invalid burn token"); if (burnItem.validationType == IBurnRedeemCore.ValidationType.CONTRACT) { return; } else if (burnItem.validationType == IBurnRedeemCore.ValidationType.RANGE) { require(tokenId >= burnItem.minTokenId && tokenId <= burnItem.maxTokenId, "Invalid token ID"); return; } else if (burnItem.validationType == IBurnRedeemCore.ValidationType.MERKLE_TREE) { bytes32 leaf = keccak256(abi.encodePacked(tokenId)); require(MerkleProof.verify(merkleProof, burnItem.merkleRoot, leaf), "Invalid merkle proof"); return; } revert("Invalid burn item"); } /** * Helper to validate the parameters for a burn redeem */ function _validateParameters(IBurnRedeemCore.BurnRedeemParameters calldata burnRedeemParameters) internal pure { require(burnRedeemParameters.storageProtocol != IBurnRedeemCore.StorageProtocol.INVALID, "Storage protocol invalid"); require(burnRedeemParameters.paymentReceiver != address(0), "Payment receiver required"); require(burnRedeemParameters.endDate == 0 || burnRedeemParameters.startDate < burnRedeemParameters.endDate, "startDate after endDate"); require(burnRedeemParameters.totalSupply % burnRedeemParameters.redeemAmount == 0, "Remainder left from totalSupply"); } /** * Helper to set top level properties for a burn redeem */ function _setParameters(IBurnRedeemCore.BurnRedeem storage burnRedeemInstance, IBurnRedeemCore.BurnRedeemParameters calldata burnRedeemParameters) private { burnRedeemInstance.startDate = burnRedeemParameters.startDate; burnRedeemInstance.endDate = burnRedeemParameters.endDate; burnRedeemInstance.redeemAmount = burnRedeemParameters.redeemAmount; burnRedeemInstance.totalSupply = burnRedeemParameters.totalSupply; burnRedeemInstance.storageProtocol = burnRedeemParameters.storageProtocol; burnRedeemInstance.location = burnRedeemParameters.location; burnRedeemInstance.cost = burnRedeemParameters.cost; burnRedeemInstance.paymentReceiver = burnRedeemParameters.paymentReceiver; } /** * Helper to set the burn groups for a burn redeem */ function _setBurnGroups(IBurnRedeemCore.BurnRedeem storage burnRedeemInstance, IBurnRedeemCore.BurnGroup[] calldata burnGroups) private { delete burnRedeemInstance.burnSet; for (uint256 i; i < burnGroups.length;) { burnRedeemInstance.burnSet.push(); IBurnRedeemCore.BurnGroup storage burnGroup = burnRedeemInstance.burnSet[i]; require( burnGroups[i].requiredCount > 0 && burnGroups[i].requiredCount <= burnGroups[i].items.length, "Invalid input" ); burnGroup.requiredCount = burnGroups[i].requiredCount; for (uint256 j; j < burnGroups[i].items.length;) { IBurnRedeemCore.BurnItem memory burnItem = burnGroups[i].items[j]; require( ( (burnItem.tokenSpec == IBurnRedeemCore.TokenSpec.ERC1155 && burnItem.amount > 0) || (burnItem.tokenSpec == IBurnRedeemCore.TokenSpec.ERC721 && burnItem.amount == 0) ) && burnItem.validationType != IBurnRedeemCore.ValidationType.INVALID, "Invalid input"); burnGroup.items.push(burnGroups[i].items[j]); unchecked { ++j; } } unchecked { ++i; } } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol"; import "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol"; import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * Burn Redeem Core interface */ interface IBurnRedeemCore is IERC165, IERC721Receiver, IERC1155Receiver { enum StorageProtocol { INVALID, NONE, ARWEAVE, IPFS } /** * @notice the validation type used for a `BurnItem` * CONTRACT any token from a specific contract is valid * RANGE token IDs within a range (inclusive) are valid * MERKLE_TREE various individual token IDs included in a merkle tree are valid */ enum ValidationType { INVALID, CONTRACT, RANGE, MERKLE_TREE } enum TokenSpec { INVALID, ERC721, ERC1155 } enum BurnSpec { NONE, MANIFOLD, OPENZEPPELIN } /** * @notice a `BurnItem` indicates which tokens are eligible to be burned * @param validationType which type of validation used to check that the burn item is * satisfied * @param tokenSpec whether the token is an ERC721 or ERC1155 * @param burnSpec whether the contract for a token has a `burn` function and, if so, * what interface * @param amount (only for ERC1155 tokens) the amount (value) required to burn * @param minTokenId (only for RANGE validation) the minimum valid token ID * @param maxTokenId (only for RANGE validation) the maximum valid token ID * @param merkleRoot (only for MERKLE_TREE validation) the root of the merkle tree of * valid token IDs */ struct BurnItem { ValidationType validationType; address contractAddress; TokenSpec tokenSpec; BurnSpec burnSpec; uint72 amount; uint256 minTokenId; uint256 maxTokenId; bytes32 merkleRoot; } /** * @notice a `BurnGroup` is a group of valid `BurnItem`s * @param requiredCount the number of `BurnItem`s (0 < requiredCount <= items.length) that * need to be included in a burn * @param items the list of `BurnItem`s */ struct BurnGroup { uint256 requiredCount; BurnItem[] items; } /** * @notice parameters for burn redeem intialization/updates * @param paymentReceiver the address to forward proceeds from paid burn redeems * @param storageProtocol the type of storage used for the redeem token URIs * @param redeemAmount the number of redeem tokens to mint for each burn redeem * @param totalSupply the maximum number of redeem tokens to mint (0 for unlimited) * @param startDate the starting time for the burn redeem (0 for immediately) * @param endDate the end time for the burn redeem (0 for never) * @param cost the cost for each burn redeem * @param location used to construct the token URI (Arweave hash, full URI, etc.) * @param burnSet a list of `BurnGroup`s that must each be satisfied for a burn redeem */ struct BurnRedeemParameters { address payable paymentReceiver; StorageProtocol storageProtocol; uint16 redeemAmount; uint32 totalSupply; uint48 startDate; uint48 endDate; uint160 cost; string location; BurnGroup[] burnSet; } struct BurnRedeem { address payable paymentReceiver; StorageProtocol storageProtocol; uint32 redeemedCount; uint16 redeemAmount; uint32 totalSupply; uint8 contractVersion; uint48 startDate; uint48 endDate; uint160 cost; string location; BurnGroup[] burnSet; } /** * @notice a pointer to a `BurnItem` in a `BurnGroup` used in calls to `burnRedeem` * @param groupIndex the index of the `BurnGroup` in `BurnRedeem.burnSet` * @param itemIndex the index of the `BurnItem` in `BurnGroup.items` * @param contractAddress the address of the contract for the token * @param id the token ID * @param merkleProof the merkle proof for the token ID (only for MERKLE_TREE validation) */ struct BurnToken { uint48 groupIndex; uint48 itemIndex; address contractAddress; uint256 id; bytes32[] merkleProof; } /** * @notice get a burn redeem corresponding to a creator contract and instanceId * @param creatorContractAddress the address of the creator contract * @param instanceId the instanceId of the burn redeem for the creator contract * @return BurnRedeem the burn redeem object */ function getBurnRedeem(address creatorContractAddress, uint256 instanceId) external view returns(BurnRedeem memory); /** * @notice get a burn redeem corresponding to a creator contract and tokenId * @param creatorContractAddress the address of the creator contract * @param tokenId the token to retrieve the burn redeem for * @return the burn redeem instanceId and burn redeem object */ function getBurnRedeemForToken(address creatorContractAddress, uint256 tokenId) external view returns(uint256, BurnRedeem memory); /** * @notice burn tokens and mint a redeem token * @param creatorContractAddress the address of the creator contract * @param instanceId the instanceId of the burn redeem for the creator contract * @param burnRedeemCount the number of burn redeems we want to do * @param burnTokens the tokens to burn with pointers to the corresponding BurnItem requirement */ function burnRedeem(address creatorContractAddress, uint256 instanceId, uint32 burnRedeemCount, BurnToken[] calldata burnTokens) external payable; /** * @notice burn tokens and mint redeem tokens multiple times in a single transaction * @param creatorContractAddresses the addresses of the creator contracts * @param instanceIds the instanceIds of the burn redeems for the corresponding creator contract * @param burnRedeemCounts the burn redeem counts for each burn * @param burnTokens the tokens to burn for each burn redeem with pointers to the corresponding BurnItem requirement */ function burnRedeem(address[] calldata creatorContractAddresses, uint256[] calldata instanceIds, uint32[] calldata burnRedeemCounts, BurnToken[][] calldata burnTokens) external payable; /** * @notice allow admin to airdrop arbitrary tokens * @param creatorContractAddress the creator contract to mint tokens for * @param instanceId the instanceId of the burn redeem for the creator contract * @param recipients addresses to airdrop to * @param amounts number of redeems to perform for each address in recipients */ function airdrop(address creatorContractAddress, uint256 instanceId, address[] calldata recipients, uint32[] calldata amounts) external; /** * @notice recover a token that was sent to the contract without safeTransferFrom * @param tokenAddress the address of the token contract * @param tokenId the id of the token * @param destination the address to send the token to */ function recoverERC721(address tokenAddress, uint256 tokenId, address destination) external; /** * @notice withdraw Manifold fee proceeds from the contract * @param recipient recepient of the funds * @param amount amount to withdraw in Wei */ function withdraw(address payable recipient, uint256 amount) external; /** * @notice set the Manifold Membership contract address * @param addr the address of the Manifold Membership contract */ function setMembershipAddress(address addr) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "./IBurnRedeemCore.sol"; interface IERC1155BurnRedeem is IBurnRedeemCore { struct ExtendedConfig { uint256 redeemTokenId; } /** * @notice initialize a new burn redeem, emit initialize event * @param creatorContractAddress the creator contract the burn will mint redeem tokens for * @param instanceId the instanceId of the burnRedeem for the creator contract * @param burnRedeemParameters the parameters which will affect the minting behavior of the burn redeem */ function initializeBurnRedeem(address creatorContractAddress, uint256 instanceId, BurnRedeemParameters calldata burnRedeemParameters) external; /** * @notice update an existing burn redeem * @param creatorContractAddress the creator contract corresponding to the burn redeem * @param instanceId the instanceId of the burnRedeem for the creator contract * @param burnRedeemParameters the parameters which will affect the minting behavior of the burn redeem */ function updateBurnRedeem(address creatorContractAddress, uint256 instanceId, BurnRedeemParameters calldata burnRedeemParameters) external; /** * @notice update an existing burn redeem * @param creatorContractAddress the creator contract corresponding to the burn redeem * @param instanceId the instanceId of the burnRedeem for the creator contract * @param storageProtocol the storage protocol for the metadata * @param location the location of the metadata */ function updateURI(address creatorContractAddress, uint256 instanceId, StorageProtocol storageProtocol, string calldata location) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface Burnable721 { function burn(uint256 tokenId) external; } interface OZBurnable1155 { function burn(address account, uint256 id, uint256 value) external; } interface Manifold1155 { function burn(address account, uint256[] memory tokenIds, uint256[] memory amounts) external; }
{ "optimizer": { "enabled": true, "runs": 150 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": { "contracts/manifold/burnredeem/BurnRedeemLib.sol": { "BurnRedeemLib": "0xf56dfc2f506f3fbe85d33fd70653d7bac0907d56" } } }
Contract Security Audit
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IBurnRedeemCore.StorageProtocol","name":"storageProtocol","type":"uint8"},{"internalType":"string","name":"location","type":"string"}],"name":"updateURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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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.