ERC-721
Overview
Max Total Supply
400 EARLY
Holders
155
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 EARLYLoading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
EarlyMajority
Compiler Version
v0.8.16+commit.07a7930e
Optimization Enabled:
Yes with 1000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: UNLICENSED // MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM // MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWNXKOkkxxxkkO0KNWMMMMMMMMMMMMMMMMMMMMMMWNXKOkkxxxxkO0KXNWMMMMMMMMMMMMMMMMMMMM // MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWX0xoc:;,,,,,,,,,;;coxOKXWMMMMMMMMMMMMMWNKkdl:;,,,,,,,,,,;:ldkKNMMMMMMMMMMMMMMMMM // MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMNOdc;,,,,,,,,,,,,,,,,,,,,;:oONWMMMMMMMMNKxl;,,,,,,,,,,,,,,,,,,,,;lxKWMMMMMMMMMMMMMM // MMMMMMMWX0KKKKKKKKKKKKKKKKKKKKK0Oxl;,,,,,,,,,,,,,,,,,,,,,,,,,,;cxO0KKKK0ko:,,,,,,,,,,,,,,,,,,,,,,,,,,:ok0KK00XWMMMMMM // MMMMMMMWOkXXXXXXNNNNXXXXXXXXXXKxc,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,:xKXX0l;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;o0XXkOWMMMMMM // MMMMMMMWO0WMMMMMMMMMMMMMMMMMMNk:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,:dOkl,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,lKWOOWMMMMMM // MMMMMMMWO0MMMMMMMMMMMMMMMMMMNx;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,l0OOWMMMMMM // MMMMMMMNO0MMMMMMMMMMMMMMMMMWk:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,ldOWMMMMMM // MMMMMMMNO0MMMMMMMMMNNNNXXXX0l,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,:kWMMMMMM // MMMMMMMNO0MMMMMMMMWOk000KKK0kkkkkkkkkkkkkkkkkxdl:;,,,,,,,,;:cdxkkkkkkkkkkkxdl:,,,,,,,,,;coxkkkkkko;,,,,,,,,,;kWMMMMMM // MMMMMMMNk0MMMMMMMMNO0WMMMMMMMMMMMMMMMMMMMMWXOdc;,,,,,,,,,,,,;:okKWMMMMMWXOdc;,,,,,,,,,,,;:okKWMMWO:,,,,,,,,,;kWMMMMMM // MMMMMMMNk0MMMMMMMMNO0MMMMMMMMMMMMMMMMMMMWXkc,,,,,,,,,,,,,,,,,,,,:xKWMMXkc;,,,,,,,,,,,,,,,,,,:dKWWO:,,,,,,,,,;kWMMMMMM // MMMMMMMNk0MMMMMMMWNO0MMMMMMMMMMMMMMMMMMW0l,,,,,,,,,,,,,,,,,,,,,,,,ckXOl;,,,,,,,,,,,,,,,,,,,,,,:kNO:,,,,,,,,,;kWMMMMMM // MMMMMMMNk0MMWNKOkdll0MMMMMMMMMMMMMMMMMWOc,,,,,,,,,,,,,,,,,,,,,,,,,,;:;,,,,,,,,,,,,,,,,,,,,,,,,,;dx:,,,,,,,,,;kWMMMMMM // MMMMMMMNkOX0xl:,,,,:0MMMMMMMMW0O000000Odlllllllllc:;,,,,,,,;:cllllllllc:,,,,,,,;:cllll:,,,,,,,,,;:;,,,,,,,,,;kWMMMMMM // MMMMMMMNxlc;,,,,,,,:0MMMMMMMMNk0WWWWWWWWWWWWWWNKko:;,,,,,,,;:okKNWWNKkl:,,,,,,,,:okKNNk;,,,,,,,,,,,,,,,,,,,,;kWMMMMMM // MMMMMMXx:,,,,,,,,,,:0MMMMMMMMNOKMMMMMMMMMMMMMNkc;,,,,,,,,,,,,,;lONNOc;,,,,,,,,,,,,,ckXk;,,,,,,,,,,,,,,,,,,,,;kWMMMMMM // MMMMW0l,,,,,,,,,,,,:0MMMMMMMMNkKMMMMMMMMMMMMXd;,,,,,,,,,,,,,,,,,;ll;,,,,,,,,,,,,,,,,;od;,,,,,,,,,,,,,,,,,,,,;kWMMMMMM // MMMWO:,,,,,,,,,,,,,:0MMMMMMWNOxKMMMMMMMMMMMWx;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;,,,,,,,,,,,,,,,,,,,,,;kWMMMMMM // MMWO:,,,,,,,,,,,,,,:0MMMWXOdc;c0MMMMMMMMWXKOl,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;kWMMMMMM // MMKl,,,,,,,,,,,,,,,:0MWKxc,,,,c0MMMMMMMWXkk0000000Oxl;,,,,,,:okOkl;,,,,,:oko;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;kWMMMMMM // MWk;,,,,,,,,,,,,,,,:0Nkc,,,,,,c0MMWNKkdoll0WMMMMMW0l,,,,,,,,,;oxl;,,,,,,,;oo;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;kWMMMMMM // MNd,,,,,,,,,,,,,,,,ckx;,,,,,,,c0WXxl;,,,,c0MMMMMMKc,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;kWMMMMMM // MXo,,,,,,,,,,,,,,,,;c;,,,,,,,,cOkc,,,,,,,c0MMWWNXx;,,,,;c:,,,,,,,,,,::,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;kWMMMMMM // MNd,,,,,,,,,,,,,,,,,,,,,,,,,,,:c;,,,,,,,,c0XOdlc:;,,,,,l0Kxol:;;;:okKx;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;kWMMMMMM // MWk;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,:oc,,,,,,,,,,:OWMWWNXKKKXWWWx;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;kWMMMMMM // MMKl,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;;cxKWMMMMMMMMMMMMWx;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;kWMMMMMM // MMWO:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;lOKNWMMMMMMMMMMMMMMWkc::::;;:::::::::;;:::::::::;;::::::::::kWMMMMMM // MMMWO:,,,,,,,,,,,,,;c;,,,,,,,,;;,,,,,,,,,,;,,,,,,;dXMMMMMMMMMMMMMMMMMNXXXXXxxXXXXXXXXXxxKXXXXXXXXkxKXXXXXXXKxOWMMMMMM // MMMMW0l,,,,,,,,,,,,:kd;,,,,,,,cxo;,,,,,,,:xd:,,,,,,dNMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MMMMMMXx:,,,,,,,,,,c0Nkc,,,,,,c0NOl;,,,,,c0Kd;,,,,,oXMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMMMW0OWMMMMMMMWOOWMMMMMM // MMMMMMMNxll;,,,,,,,c0WWKxc,,,,cKMWNk:,,,,:oc,,,,,,;kWMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMMMW0OWMMMMMMMWOOWMMMMMM // MMMMMMMNk0N0o;,,,,,c0MMMWXkc,,c0WKxc,,,,,,,,,,,,,ckNMMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MMMMMMMNk0NKd;,,,,,c0MMMWKkc,,cOkc,,,,,,,,,,,,,,;ldxxxxxxKWMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MMMMMMMNxol:,,,,,,,c0MWKd:,,,,:c;,,,,,,,,,,,,,,,,,,,,,,,,xWMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MMMMMWXx:,,,,,,,,,,c0Xx:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,xWMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MMMMW0l,,,,,,,,,,,,ckd;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,o0K00KK00000000000k0WMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MMMWO:,,,,,,,,,,,,,;c;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,dXNNNNNNNNWWWNNNNWWWMMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MMWO:,,,,,,,,,,,,,,,,,,,,,,,,,;:,,,,,,,,,,,,,,,,,,,,,,,,,xWMMMMMMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MMKl,,,,,,,,,,,,,,,,,,,,,,,,,,ckd;,,,,,,,,,,,,,,,,,,,,,,,xWMMMMMMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MWx;,,,,,,,,,,,,,,,,,,,,,,,,,,cKNOl;,,,,,,,,,,,,,,,,,,,,,xWMMMMMMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MXo,,,,,,,,,,,,,,,,,,,,,,,,,,,ckKK0xl:,,,,,,,,,,,,,,,,,,,oKXXXXXXXXXXXXXXXXXXXXXXXXXXKxOWMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MXo,,,,,,,,,,,,,,,,:l:,,,,,,,,,;;;;;;;,,,,,,,,,,,,,,,,,,,o0KKKKKKKKKKKKKKKKKKKKKKKKKKK0XMMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MXo,,,,,,,,,,,,,,,,cOx;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,xWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MWx;,,,,,,,,,,,,,,,c0NOc,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,xWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MMKc,,,,,,,,,,,,,,,c0MWXkl;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,xWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMMMWOOWMMMMMM // MMWO:,,,,,,,,,,,,,,c0WWWWXOdl:,,,,,,,,,,,,,,,,,,,,,,,,,,,xNWMMMWWMMMMMMMMMMMMMMMMMMMMMMMWWWWWWWWWOOWMMMMMMMWOOWMMMMMM // MMMWk:,,,,,,,,,,,,,;lodddooolc;,,,,,,,,,,,,,,,,,,,,,,,,,,o0K00KKKKKKKKKKKKKKKKKKKKKKKKKKKKK000KK0OKWMMMMMMMWOOWMMMMMM // MMMMW0l,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;xNWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWMMMMMMMMMWOOWMMMMMM // MMMMMWXx:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,xWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMM // MMMMMMMXxlc;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;xWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMM // MMMMMMMNk0N0xl:;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,xWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWOOWMMMMMM // MMMMMMMNkkKKK0kdl:;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;d0KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK0x0MMMMMMM // MMMMMMMWXKKKKKKKKKK000000000000000000000000000KKK00000000KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKNMMMMMMM // MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM // MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM // MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM // MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM // ███╗ ███╗ █████╗ ██████╗ ███████╗ ██╗ ██╗██╗████████╗██╗ ██╗ ███╗ ███╗ █████╗ ███████╗ ██████╗ ███╗ ██╗ // ████╗ ████║██╔══██╗██╔══██╗██╔════╝ ██║ ██║██║╚══██╔══╝██║ ██║ ████╗ ████║██╔══██╗██╔════╝██╔═══██╗████╗ ██║ // ██╔████╔██║███████║██║ ██║█████╗ ██║ █╗ ██║██║ ██║ ███████║ ██╔████╔██║███████║███████╗██║ ██║██╔██╗ ██║ // ██║╚██╔╝██║██╔══██║██║ ██║██╔══╝ ██║███╗██║██║ ██║ ██╔══██║ ██║╚██╔╝██║██╔══██║╚════██║██║ ██║██║╚██╗██║ // ██║ ╚═╝ ██║██║ ██║██████╔╝███████╗ ╚███╔███╔╝██║ ██║ ██║ ██║ ██║ ╚═╝ ██║██║ ██║███████║╚██████╔╝██║ ╚████║ // ╚═╝ ╚═╝╚═╝ ╚═╝╚═════╝ ╚══════╝ ╚══╝╚══╝ ╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═══╝ pragma solidity ^0.8.16; import 'erc721a/contracts/extensions/ERC721ABurnable.sol'; import 'erc721a/contracts/extensions/ERC721AQueryable.sol'; import "./mason/utils/AccessControl.sol"; import "./mason/utils/Claimable.sol"; import "./mason/utils/EIP712Common.sol"; import "./mason/utils/Ownable.sol"; import "./mason/utils/Payable.sol"; import "./mason/utils/Toggleable.sol"; import "erc721a/contracts/ERC721A.sol"; error ExceedsMaxPerWallet(); error ExceedsMaxSupply(); error InsufficientPayment(); error TokensAlreadyClaimed(); contract EarlyMajority is ERC721ABurnable, ERC721AQueryable, Ownable, Payable, AccessControl, Toggleable, EIP712Common, Claimable { uint256 public MAX_PER_WALLET; uint256 public MAX_SUPPLY; uint256 public PRICE; address private royaltyAddress; uint256 private royaltyPercent; constructor ( string memory _tokenName, string memory _tokenSymbol, string memory _customBaseURI, uint256 _tokenPrice, uint256 _tokensForSale, address _royaltyAddress, uint256 _royaltyPercent ) ERC721A(_tokenName, _tokenSymbol) { customBaseURI = _customBaseURI; MAX_SUPPLY = _tokensForSale; PRICE = _tokenPrice; MAX_PER_WALLET = 3; royaltyAddress = _royaltyAddress; royaltyPercent = _royaltyPercent; _setRoyalties(_royaltyAddress, _royaltyPercent); } /** MINTING **/ function mint(uint256 _count) external payable noContracts requireActiveSale { if(_totalMinted() + _count > MAX_SUPPLY) revert ExceedsMaxSupply(); if(msg.value < PRICE * _count) revert InsufficientPayment(); if(_numberMinted(msg.sender) + _count > MAX_PER_WALLET + _getAux(msg.sender)) revert ExceedsMaxPerWallet(); _mint(msg.sender, _count); } function ownerMint(uint64 _count, address _recipient) external onlyOwner { if(_totalMinted() + _count > MAX_SUPPLY) revert ExceedsMaxSupply(); _mint(_recipient, _count); _setAux(_recipient, _count); } function whitelistMint(uint256 _discountedPrice, uint256 _count, bytes calldata _signature) external payable requiresDiscount(_signature, _discountedPrice) requireActiveWhitelist noContracts { if(_totalMinted() + _count > MAX_SUPPLY) revert ExceedsMaxSupply(); if(_numberMinted(msg.sender) + _count > MAX_PER_WALLET + _getAux(msg.sender)) revert ExceedsMaxPerWallet(); if(msg.value < _discountedPrice * _count) revert InsufficientPayment(); _mint(msg.sender, _count); } function claim(uint64 _count, bytes calldata _signature) external payable requiresClaim(_signature, _count) requireActiveClaiming noContracts { if(_totalMinted() + 1 > MAX_SUPPLY) revert ExceedsMaxSupply(); if (hasUnclaimedTokens(msg.sender)) { _updateClaimCount(msg.sender, _count); } else { revert TokensAlreadyClaimed(); } _mint(msg.sender, _count); _setAux(msg.sender, _count); } /** MINTING LIMITS **/ function allowedMintCount(address _minter) public view returns (uint256) { return MAX_PER_WALLET + _getAux(_minter) - _numberMinted(_minter); } /** WHITELIST **/ function checkWhitelist(uint256 _discountedPrice, bytes calldata _signature) public view requiresDiscount(_signature, _discountedPrice) returns (bool) { return true; } /** ADMIN **/ function setMaxPerWallet(uint256 _max) external onlyOwner() { MAX_PER_WALLET = _max; } function setPrice(uint256 _tokenPrice) external onlyOwner { PRICE = _tokenPrice; } /** URI HANDLING **/ string private customBaseURI; function baseTokenURI() public view returns (string memory) { return customBaseURI; } function setBaseURI(string memory customBaseURI_) external onlyOwner { customBaseURI = customBaseURI_; } function _baseURI() internal view virtual override returns (string memory) { return customBaseURI; } function _startTokenId() internal view virtual override returns (uint256) { return 1; } /** PAYOUT **/ function _setRoyalties(address _receiver, uint256 _percentage) internal { royaltyAddress = _receiver; royaltyPercent = _percentage; } function royaltyInfo(uint256 _tokenId, uint256 _salePrice) external view returns ( address receiver, uint256 royaltyAmount ) { receiver = royaltyAddress; royaltyAmount = _salePrice * royaltyPercent / 10000; } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.2 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721A.sol'; /** * @dev Interface of ERC721 token receiver. */ interface ERC721A__IERC721Receiver { function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } /** * @title ERC721A * * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721) * Non-Fungible Token Standard, including the Metadata extension. * Optimized for lower gas during batch mints. * * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...) * starting from `_startTokenId()`. * * Assumptions: * * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply. * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256). */ contract ERC721A is IERC721A { // Reference type for token approval. struct TokenApprovalRef { address value; } // ============================================================= // CONSTANTS // ============================================================= // Mask of an entry in packed address data. uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1; // The bit position of `numberMinted` in packed address data. uint256 private constant _BITPOS_NUMBER_MINTED = 64; // The bit position of `numberBurned` in packed address data. uint256 private constant _BITPOS_NUMBER_BURNED = 128; // The bit position of `aux` in packed address data. uint256 private constant _BITPOS_AUX = 192; // Mask of all 256 bits in packed address data except the 64 bits for `aux`. uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1; // The bit position of `startTimestamp` in packed ownership. uint256 private constant _BITPOS_START_TIMESTAMP = 160; // The bit mask of the `burned` bit in packed ownership. uint256 private constant _BITMASK_BURNED = 1 << 224; // The bit position of the `nextInitialized` bit in packed ownership. uint256 private constant _BITPOS_NEXT_INITIALIZED = 225; // The bit mask of the `nextInitialized` bit in packed ownership. uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225; // The bit position of `extraData` in packed ownership. uint256 private constant _BITPOS_EXTRA_DATA = 232; // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`. uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1; // The mask of the lower 160 bits for addresses. uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1; // The maximum `quantity` that can be minted with {_mintERC2309}. // This limit is to prevent overflows on the address data entries. // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309} // is required to cause an overflow, which is unrealistic. uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000; // The `Transfer` event signature is given by: // `keccak256(bytes("Transfer(address,address,uint256)"))`. bytes32 private constant _TRANSFER_EVENT_SIGNATURE = 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef; // ============================================================= // STORAGE // ============================================================= // The next token ID to be minted. uint256 private _currentIndex; // The number of tokens burned. uint256 private _burnCounter; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to ownership details // An empty struct value does not necessarily mean the token is unowned. // See {_packedOwnershipOf} implementation for details. // // Bits Layout: // - [0..159] `addr` // - [160..223] `startTimestamp` // - [224] `burned` // - [225] `nextInitialized` // - [232..255] `extraData` mapping(uint256 => uint256) private _packedOwnerships; // Mapping owner address to address data. // // Bits Layout: // - [0..63] `balance` // - [64..127] `numberMinted` // - [128..191] `numberBurned` // - [192..255] `aux` mapping(address => uint256) private _packedAddressData; // Mapping from token ID to approved address. mapping(uint256 => TokenApprovalRef) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID. * To change the starting token ID, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return _currentIndex; } /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() public view virtual override returns (uint256) { // Counter underflow is impossible as _burnCounter cannot be incremented // more than `_currentIndex - _startTokenId()` times. unchecked { return _currentIndex - _burnCounter - _startTokenId(); } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { return _currentIndex - _startTokenId(); } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } // ============================================================= // ADDRESS DATA OPERATIONS // ============================================================= /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) public view virtual override returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { return uint64(_packedAddressData[owner] >> _BITPOS_AUX); } /** * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal virtual { uint256 packed = _packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); _packedAddressData[owner] = packed; } // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { // The interface IDs are constants representing the first 4 bytes // of the XOR of all function selectors in the interface. // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165) // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`) return interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165. interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721. interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata. } // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : ''; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, it can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } // ============================================================= // OWNERSHIPS OPERATIONS // ============================================================= /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { return address(uint160(_packedOwnershipOf(tokenId))); } /** * @dev Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around over time. */ function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnershipOf(tokenId)); } /** * @dev Returns the unpacked `TokenOwnership` struct at `index`. */ function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnerships[index]); } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (_packedOwnerships[index] == 0) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) { uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr) if (curr < _currentIndex) { uint256 packed = _packedOwnerships[curr]; // If not burned. if (packed & _BITMASK_BURNED == 0) { // Invariant: // There will always be an initialized ownership slot // (i.e. `ownership.addr != address(0) && ownership.burned == false`) // before an unintialized ownership slot // (i.e. `ownership.addr == address(0) && ownership.burned == false`) // Hence, `curr` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. while (packed == 0) { packed = _packedOwnerships[--curr]; } return packed; } } } revert OwnerQueryForNonexistentToken(); } /** * @dev Returns the unpacked `TokenOwnership` struct from `packed`. */ function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) { ownership.addr = address(uint160(packed)); ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP); ownership.burned = packed & _BITMASK_BURNED != 0; ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA); } /** * @dev Packs ownership data into a single uint256. */ function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`. result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags)) } } /** * @dev Returns the `nextInitialized` flag set if `quantity` equals 1. */ function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) { // For branchless setting of the `nextInitialized` flag. assembly { // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`. result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1)) } } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @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) public virtual override { address owner = ownerOf(tokenId); if (_msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { revert ApprovalCallerNotOwnerNorApproved(); } _tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return _tokenApprovals[tokenId].value; } /** * @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) public virtual override { if (operator == _msgSenderERC721A()) revert ApproveToCaller(); _operatorApprovals[_msgSenderERC721A()][operator] = approved; emit ApprovalForAll(_msgSenderERC721A(), operator, approved); } /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted. See {_mint}. */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _startTokenId() <= tokenId && tokenId < _currentIndex && // If within bounds, _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned. } /** * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`. */ function _isSenderApprovedOrOwner( address approvedAddress, address owner, address msgSender ) private pure returns (bool result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean. msgSender := and(msgSender, _BITMASK_ADDRESS) // `msgSender == owner || msgSender == approvedAddress`. result := or(eq(msgSender, owner), eq(msgSender, approvedAddress)) } } /** * @dev Returns the storage slot and value for the approved address of `tokenId`. */ function _getApprovedSlotAndAddress(uint256 tokenId) private view returns (uint256 approvedAddressSlot, address approvedAddress) { TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId]; // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId]`. assembly { approvedAddressSlot := tokenApproval.slot approvedAddress := sload(approvedAddressSlot) } } // ============================================================= // TRANSFER OPERATIONS // ============================================================= /** * @dev Transfers `tokenId` from `from` to `to`. * * 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 ) public virtual override { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner(); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); if (to == address(0)) revert TransferToZeroAddress(); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // We can directly increment and decrement the balances. --_packedAddressData[from]; // Updates: `balance -= 1`. ++_packedAddressData[to]; // Updates: `balance += 1`. // Updates: // - `address` to the next owner. // - `startTimestamp` to the timestamp of transfering. // - `burned` to `false`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( to, _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ''); } /** * @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 memory _data ) public virtual override { transferFrom(from, to, tokenId); if (to.code.length != 0) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } /** * @dev Hook that is called before a set of serially-ordered token IDs * are about to be transferred. This includes minting. * And also called before burning one token. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token IDs * have been transferred. This includes minting. * And also called after one token has been burned. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been * transferred to `to`. * - When `from` is zero, `tokenId` has been minted for `to`. * - When `to` is zero, `tokenId` has been burned by `from`. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * `from` - Previous owner of the given token ID. * `to` - Target address that will receive the token. * `tokenId` - Token ID to be transferred. * `_data` - Optional data to send along with the call. * * Returns whether the call correctly returned the expected magic value. */ function _checkContractOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns ( bytes4 retval ) { return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert TransferToNonERC721ReceiverImplementer(); } else { assembly { revert(add(32, reason), mload(reason)) } } } } // ============================================================= // MINT OPERATIONS // ============================================================= /** * @dev Mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {Transfer} event for each mint. */ function _mint(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (quantity == 0) revert MintZeroQuantity(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are incredibly unrealistic. // `balance` and `numberMinted` have a maximum limit of 2**64. // `tokenId` has a maximum limit of 2**256. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); uint256 toMasked; uint256 end = startTokenId + quantity; // Use assembly to loop and emit the `Transfer` event for gas savings. assembly { // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. toMasked := and(to, _BITMASK_ADDRESS) // Emit the `Transfer` event. log4( 0, // Start of data (0, since no data). 0, // End of data (0, since no data). _TRANSFER_EVENT_SIGNATURE, // Signature. 0, // `address(0)`. toMasked, // `to`. startTokenId // `tokenId`. ) for { let tokenId := add(startTokenId, 1) } iszero(eq(tokenId, end)) { tokenId := add(tokenId, 1) } { // Emit the `Transfer` event. Similar to above. log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId) } } if (toMasked == 0) revert MintToZeroAddress(); _currentIndex = end; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Mints `quantity` tokens and transfers them to `to`. * * This function is intended for efficient minting only during contract creation. * * It emits only one {ConsecutiveTransfer} as defined in * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309), * instead of a sequence of {Transfer} event(s). * * Calling this function outside of contract creation WILL make your contract * non-compliant with the ERC721 standard. * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309 * {ConsecutiveTransfer} event is only permissible during contract creation. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {ConsecutiveTransfer} event. */ function _mintERC2309(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are unrealistic due to the above check for `quantity` to be below the limit. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to); _currentIndex = startTokenId + quantity; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * See {_mint}. * * Emits a {Transfer} event for each mint. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal virtual { _mint(to, quantity); unchecked { if (to.code.length != 0) { uint256 end = _currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (index < end); // Reentrancy protection. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } // ============================================================= // BURN OPERATIONS // ============================================================= /** * @dev Equivalent to `_burn(tokenId, false)`. */ function _burn(uint256 tokenId) internal virtual { _burn(tokenId, false); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId, bool approvalCheck) internal virtual { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); address from = address(uint160(prevOwnershipPacked)); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); if (approvalCheck) { // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); } _beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // Updates: // - `balance -= 1`. // - `numberBurned += 1`. // // We can directly decrement the balance, and increment the number burned. // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`. _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1; // Updates: // - `address` to the last owner. // - `startTimestamp` to the timestamp of burning. // - `burned` to `true`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( from, (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times. unchecked { _burnCounter++; } } // ============================================================= // EXTRA DATA OPERATIONS // ============================================================= /** * @dev Directly sets the extra data for the ownership data `index`. */ function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual { uint256 packed = _packedOwnerships[index]; if (packed == 0) revert OwnershipNotInitializedForExtraData(); uint256 extraDataCasted; // Cast `extraData` with assembly to avoid redundant masking. assembly { extraDataCasted := extraData } packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA); _packedOwnerships[index] = packed; } /** * @dev Called during each token transfer to set the 24bit `extraData` field. * Intended to be overridden by the cosumer contract. * * `previousExtraData` - the value of `extraData` before transfer. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _extraData( address from, address to, uint24 previousExtraData ) internal view virtual returns (uint24) {} /** * @dev Returns the next extra data for the packed ownership data. * The returned result is shifted into position. */ function _nextExtraData( address from, address to, uint256 prevOwnershipPacked ) private view returns (uint256) { uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA); return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA; } // ============================================================= // OTHER OPERATIONS // ============================================================= /** * @dev Returns the message sender (defaults to `msg.sender`). * * If you are writing GSN compatible contracts, you need to override this function. */ function _msgSenderERC721A() internal view virtual returns (address) { return msg.sender; } /** * @dev Converts a uint256 to its ASCII string decimal representation. */ function _toString(uint256 value) internal pure virtual returns (string memory str) { assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), // but we allocate 0x80 bytes to keep the free memory pointer 32-byte word aliged. // We will need 1 32-byte word to store the length, // and 3 32-byte words to store a maximum of 78 digits. Total: 0x20 + 3 * 0x20 = 0x80. str := add(mload(0x40), 0x80) // Update the free memory pointer to allocate. mstore(0x40, str) // Cache the end of the memory to calculate the length later. let end := str // We write the string from rightmost digit to leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // prettier-ignore for { let temp := value } 1 {} { str := sub(str, 1) // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(str, add(48, mod(temp, 10))) // Keep dividing `temp` until zero. temp := div(temp, 10) // prettier-ignore if iszero(temp) { break } } let length := sub(end, str) // Move the pointer 32 bytes leftwards to make room for the length. str := sub(str, 0x20) // Store the length. mstore(str, length) } } }
// SPDX-License-Identifier: Unlicense pragma solidity ^0.8.13; import "./Ownable.sol"; error SaleNotActive(); error WhitelistNotActive(); abstract contract Toggleable is Ownable { bool public saleIsActive = false; bool public whitelistIsActive = false; function flipWhitelistState() external onlyOwner { whitelistIsActive = !whitelistIsActive; } function flipSaleState() external onlyOwner { saleIsActive = !saleIsActive; } modifier requireActiveSale { if(!saleIsActive) revert SaleNotActive(); _; } modifier requireActiveWhitelist { if(!whitelistIsActive) revert WhitelistNotActive(); _; } }
// SPDX-License-Identifier: Unlicense pragma solidity ^0.8.16; import "./Ownable.sol"; import "@openzeppelin/contracts/utils/Address.sol"; abstract contract Payable is Ownable { address private _paymentRecipient; constructor() { _paymentRecipient = owner(); } function setPaymentRecipient(address recipient) external onlyOwner { _paymentRecipient = recipient; } function release() external virtual onlyOwner { uint256 balance = address(this).balance; Address.sendValue(payable(_paymentRecipient), balance); } }
abstract contract Ownable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); error CallerIsNotTheOwner(); error NewOwnerIsZeroAddress(); constructor() { _transferOwnership(msg.sender); } function owner() public view virtual returns (address) { return _owner; } modifier onlyOwner() { if(owner() != msg.sender) revert CallerIsNotTheOwner(); _; } function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } function transferOwnership(address newOwner) public virtual onlyOwner { if(newOwner == address(0)) revert NewOwnerIsZeroAddress(); _transferOwnership(newOwner); } function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
//SPDX-License-Identifier: Unlicense pragma solidity ^0.8.0; import "./ECDSA.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "./Ownable.sol"; error InvalidSignature(); error NoSigningKey(); contract EIP712Common is Ownable { using ECDSA for bytes32; // The key used to sign whitelist signatures. address signingKey = address(0); // Domain Separator is the EIP-712 defined structure that defines what contract // and chain these signatures can be used for. This ensures people can't take // a signature used to mint on one contract and use it for another, or a signature // from testnet to replay on mainnet. // It has to be created in the constructor so we can dynamically grab the chainId. // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-712.md#definition-of-domainseparator bytes32 public CLAIM_DOMAIN_SEPARATOR; bytes32 public WHITELIST_DOMAIN_SEPARATOR; bytes32 public DISCOUNT_DOMAIN_SEPARATOR; // The typehash for the data type specified in the structured data // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-712.md#rationale-for-typehash // This should match whats in the client side whitelist signing code // https://github.com/msfeldstein/EIP712-whitelisting/blob/main/test/signWhitelist.ts#L22 bytes32 public constant CLAIM_TYPEHASH = keccak256("Minter(address wallet,uint256 count)"); bytes32 public constant WHITELIST_TYPEHASH = keccak256("Minter(address wallet)"); bytes32 public constant DISCOUNT_TYPEHASH = keccak256("Minter(address wallet,uint256 count)"); constructor() { CLAIM_DOMAIN_SEPARATOR = keccak256( abi.encode( keccak256( "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)" ), keccak256(bytes("ClaimToken")), keccak256(bytes("1")), block.chainid, address(this) ) ); WHITELIST_DOMAIN_SEPARATOR = keccak256( abi.encode( keccak256( "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)" ), keccak256(bytes("WhitelistToken")), keccak256(bytes("1")), block.chainid, address(this) ) ); DISCOUNT_DOMAIN_SEPARATOR = keccak256( abi.encode( keccak256( "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)" ), keccak256(bytes("DiscountToken")), keccak256(bytes("1")), block.chainid, address(this) ) ); } function setSigningAddress(address newSigningKey) public onlyOwner { signingKey = newSigningKey; } modifier requiresClaim(bytes calldata signature, uint256 count) { if(signingKey == address(0)) revert NoSigningKey(); bytes32 digest = keccak256( abi.encodePacked( "\x19\x01", CLAIM_DOMAIN_SEPARATOR, keccak256(abi.encode( CLAIM_TYPEHASH, msg.sender, count)) ) ); address recoveredAddress = digest.recover(signature); if(recoveredAddress != signingKey) revert InvalidSignature(); _; } modifier requiresDiscount(bytes calldata signature, uint256 value) { if(signingKey == address(0)) revert NoSigningKey(); bytes32 digest = keccak256( abi.encodePacked( "\x19\x01", DISCOUNT_DOMAIN_SEPARATOR, keccak256(abi.encode( CLAIM_TYPEHASH, msg.sender, value)) ) ); address recoveredAddress = digest.recover(signature); if(recoveredAddress != signingKey) revert InvalidSignature(); _; } modifier requiresWhitelist(bytes calldata signature) { if(signingKey == address(0)) revert NoSigningKey(); bytes32 digest = keccak256( abi.encodePacked( "\x19\x01", WHITELIST_DOMAIN_SEPARATOR, keccak256(abi.encode(WHITELIST_TYPEHASH, msg.sender)) ) ); address recoveredAddress = digest.recover(signature); if(recoveredAddress != signingKey) revert InvalidSignature(); _; } }
pragma solidity ^0.8.13; import "./EIP712Common.sol"; import "./Ownable.sol"; error ClaimingNotActive(); abstract contract Claimable is Ownable, EIP712Common{ mapping(address => uint256) private claimCounts; bool public claimingIsActive = false; function flipClaimState() external onlyOwner { claimingIsActive = !claimingIsActive; } function tokensClaimed(address minter) public view returns (uint256) { return claimCounts[minter]; } function checkClaimlist(uint256 count, bytes calldata signature) public view requiresClaim(signature, count) returns (bool) { return true; } function hasUnclaimedTokens(address minter) public view returns (bool) { return claimCounts[minter] == 0; } function _updateClaimCount(address minter, uint256 count) internal { claimCounts[minter] += count; } modifier requireActiveClaiming { if(!claimingIsActive) revert ClaimingNotActive(); _; } }
// SPDX-License-Identifier: Unlicense pragma solidity ^0.8.15; error ContractsCannotMint(); abstract contract AccessControl { modifier noContracts { if(msg.sender != tx.origin) revert ContractsCannotMint(); _; } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.2 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721AQueryable.sol'; import '../ERC721A.sol'; /** * @title ERC721AQueryable. * * @dev ERC721A subclass with convenience query functions. */ abstract contract ERC721AQueryable is ERC721A, IERC721AQueryable { /** * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting. * * If the `tokenId` is out of bounds: * * - `addr = address(0)` * - `startTimestamp = 0` * - `burned = false` * - `extraData = 0` * * If the `tokenId` is burned: * * - `addr = <Address of owner before token was burned>` * - `startTimestamp = <Timestamp when token was burned>` * - `burned = true` * - `extraData = <Extra data when token was burned>` * * Otherwise: * * - `addr = <Address of owner>` * - `startTimestamp = <Timestamp of start of ownership>` * - `burned = false` * - `extraData = <Extra data at start of ownership>` */ function explicitOwnershipOf(uint256 tokenId) public view virtual override returns (TokenOwnership memory) { TokenOwnership memory ownership; if (tokenId < _startTokenId() || tokenId >= _nextTokenId()) { return ownership; } ownership = _ownershipAt(tokenId); if (ownership.burned) { return ownership; } return _ownershipOf(tokenId); } /** * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order. * See {ERC721AQueryable-explicitOwnershipOf} */ function explicitOwnershipsOf(uint256[] calldata tokenIds) external view virtual override returns (TokenOwnership[] memory) { unchecked { uint256 tokenIdsLength = tokenIds.length; TokenOwnership[] memory ownerships = new TokenOwnership[](tokenIdsLength); for (uint256 i; i != tokenIdsLength; ++i) { ownerships[i] = explicitOwnershipOf(tokenIds[i]); } return ownerships; } } /** * @dev Returns an array of token IDs owned by `owner`, * in the range [`start`, `stop`) * (i.e. `start <= tokenId < stop`). * * This function allows for tokens to be queried if the collection * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}. * * Requirements: * * - `start < stop` */ function tokensOfOwnerIn( address owner, uint256 start, uint256 stop ) external view virtual override returns (uint256[] memory) { unchecked { if (start >= stop) revert InvalidQueryRange(); uint256 tokenIdsIdx; uint256 stopLimit = _nextTokenId(); // Set `start = max(start, _startTokenId())`. if (start < _startTokenId()) { start = _startTokenId(); } // Set `stop = min(stop, stopLimit)`. if (stop > stopLimit) { stop = stopLimit; } uint256 tokenIdsMaxLength = balanceOf(owner); // Set `tokenIdsMaxLength = min(balanceOf(owner), stop - start)`, // to cater for cases where `balanceOf(owner)` is too big. if (start < stop) { uint256 rangeLength = stop - start; if (rangeLength < tokenIdsMaxLength) { tokenIdsMaxLength = rangeLength; } } else { tokenIdsMaxLength = 0; } uint256[] memory tokenIds = new uint256[](tokenIdsMaxLength); if (tokenIdsMaxLength == 0) { return tokenIds; } // We need to call `explicitOwnershipOf(start)`, // because the slot at `start` may not be initialized. TokenOwnership memory ownership = explicitOwnershipOf(start); address currOwnershipAddr; // If the starting slot exists (i.e. not burned), initialize `currOwnershipAddr`. // `ownership.address` will not be zero, as `start` is clamped to the valid token ID range. if (!ownership.burned) { currOwnershipAddr = ownership.addr; } for (uint256 i = start; i != stop && tokenIdsIdx != tokenIdsMaxLength; ++i) { ownership = _ownershipAt(i); if (ownership.burned) { continue; } if (ownership.addr != address(0)) { currOwnershipAddr = ownership.addr; } if (currOwnershipAddr == owner) { tokenIds[tokenIdsIdx++] = i; } } // Downsize the array to fit. assembly { mstore(tokenIds, tokenIdsIdx) } return tokenIds; } } /** * @dev Returns an array of token IDs owned by `owner`. * * This function scans the ownership mapping and is O(`totalSupply`) in complexity. * It is meant to be called off-chain. * * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into * multiple smaller scans if the collection is large enough to cause * an out-of-gas error (10K collections should be fine). */ function tokensOfOwner(address owner) external view virtual override returns (uint256[] memory) { unchecked { uint256 tokenIdsIdx; address currOwnershipAddr; uint256 tokenIdsLength = balanceOf(owner); uint256[] memory tokenIds = new uint256[](tokenIdsLength); TokenOwnership memory ownership; for (uint256 i = _startTokenId(); tokenIdsIdx != tokenIdsLength; ++i) { ownership = _ownershipAt(i); if (ownership.burned) { continue; } if (ownership.addr != address(0)) { currOwnershipAddr = ownership.addr; } if (currOwnershipAddr == owner) { tokenIds[tokenIdsIdx++] = i; } } return tokenIds; } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.2 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721ABurnable.sol'; import '../ERC721A.sol'; /** * @title ERC721ABurnable. * * @dev ERC721A token that can be irreversibly burned (destroyed). */ abstract contract ERC721ABurnable is ERC721A, IERC721ABurnable { /** * @dev Burns `tokenId`. See {ERC721A-_burn}. * * Requirements: * * - The caller must own `tokenId` or be an approved operator. */ function burn(uint256 tokenId) public virtual override { _burn(tokenId, true); } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.2 // Creator: Chiru Labs pragma solidity ^0.8.4; import '../IERC721A.sol'; /** * @dev Interface of ERC721AQueryable. */ interface IERC721AQueryable is IERC721A { /** * Invalid query range (`start` >= `stop`). */ error InvalidQueryRange(); /** * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting. * * If the `tokenId` is out of bounds: * * - `addr = address(0)` * - `startTimestamp = 0` * - `burned = false` * - `extraData = 0` * * If the `tokenId` is burned: * * - `addr = <Address of owner before token was burned>` * - `startTimestamp = <Timestamp when token was burned>` * - `burned = true` * - `extraData = <Extra data when token was burned>` * * Otherwise: * * - `addr = <Address of owner>` * - `startTimestamp = <Timestamp of start of ownership>` * - `burned = false` * - `extraData = <Extra data at start of ownership>` */ function explicitOwnershipOf(uint256 tokenId) external view returns (TokenOwnership memory); /** * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order. * See {ERC721AQueryable-explicitOwnershipOf} */ function explicitOwnershipsOf(uint256[] memory tokenIds) external view returns (TokenOwnership[] memory); /** * @dev Returns an array of token IDs owned by `owner`, * in the range [`start`, `stop`) * (i.e. `start <= tokenId < stop`). * * This function allows for tokens to be queried if the collection * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}. * * Requirements: * * - `start < stop` */ function tokensOfOwnerIn( address owner, uint256 start, uint256 stop ) external view returns (uint256[] memory); /** * @dev Returns an array of token IDs owned by `owner`. * * This function scans the ownership mapping and is O(`totalSupply`) in complexity. * It is meant to be called off-chain. * * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into * multiple smaller scans if the collection is large enough to cause * an out-of-gas error (10K collections should be fine). */ function tokensOfOwner(address owner) external view returns (uint256[] memory); }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.2 // Creator: Chiru Labs pragma solidity ^0.8.4; import '../IERC721A.sol'; /** * @dev Interface of ERC721ABurnable. */ interface IERC721ABurnable is IERC721A { /** * @dev Burns `tokenId`. See {ERC721A-_burn}. * * Requirements: * * - The caller must own `tokenId` or be an approved operator. */ function burn(uint256 tokenId) external; }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.2 // Creator: Chiru Labs pragma solidity ^0.8.4; /** * @dev Interface of ERC721A. */ interface IERC721A { /** * The caller must own the token or be an approved operator. */ error ApprovalCallerNotOwnerNorApproved(); /** * The token does not exist. */ error ApprovalQueryForNonexistentToken(); /** * The caller cannot approve to their own address. */ error ApproveToCaller(); /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The token does not exist. */ error OwnerQueryForNonexistentToken(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * The token must be owned by `from`. */ error TransferFromIncorrectOwner(); /** * Cannot safely transfer to a contract that does not implement the * ERC721Receiver interface. */ error TransferToNonERC721ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * The token does not exist. */ error URIQueryForNonexistentToken(); /** * The `quantity` minted with ERC2309 exceeds the safety limit. */ error MintERC2309QuantityExceedsLimit(); /** * The `extraData` cannot be set on an unintialized ownership slot. */ error OwnershipNotInitializedForExtraData(); // ============================================================= // STRUCTS // ============================================================= struct TokenOwnership { // The address of the owner. address addr; // Stores the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}. uint24 extraData; } // ============================================================= // TOKEN COUNTERS // ============================================================= /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() external view returns (uint256); // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); // ============================================================= // IERC721 // ============================================================= /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables * (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, * checking first that contract recipients are aware of the ERC721 protocol * to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move * this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` 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); // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); // ============================================================= // IERC2309 // ============================================================= /** * @dev Emitted when tokens in `fromTokenId` to `toTokenId` * (inclusive) is transferred from `from` to `to`, as defined in the * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard. * * See {_mintERC2309} for more details. */ event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; /// @notice Gas optimized ECDSA wrapper. /// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/ECDSA.sol) /// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/ECDSA.sol) /// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/cryptography/ECDSA.sol) library ECDSA { function recover(bytes32 hash, bytes calldata signature) internal view returns (address result) { assembly { if eq(signature.length, 65) { // Copy the free memory pointer so that we can restore it later. let m := mload(0x40) // Directly copy `r` and `s` from the calldata. calldatacopy(0x40, signature.offset, 0x40) // If `s` in lower half order, such that the signature is not malleable. // prettier-ignore if iszero(gt(mload(0x60), 0x7fffffffffffffffffffffffffffffff5d576e7357a4501ddfe92f46681b20a0)) { mstore(0x00, hash) // Compute `v` and store it in the scratch space. mstore(0x20, byte(0, calldataload(add(signature.offset, 0x40)))) pop( staticcall( gas(), // Amount of gas left for the transaction. 0x01, // Address of `ecrecover`. 0x00, // Start of input. 0x80, // Size of input. 0x40, // Start of output. 0x20 // Size of output. ) ) // Restore the zero slot. mstore(0x60, 0) // `returndatasize()` will be `0x20` upon success, and `0x00` otherwise. result := mload(sub(0x60, returndatasize())) } // Restore the free memory pointer. mstore(0x40, m) } } } function recover( bytes32 hash, bytes32 r, bytes32 vs ) internal view returns (address result) { assembly { // Copy the free memory pointer so that we can restore it later. let m := mload(0x40) // prettier-ignore let s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) // If `s` in lower half order, such that the signature is not malleable. // prettier-ignore if iszero(gt(s, 0x7fffffffffffffffffffffffffffffff5d576e7357a4501ddfe92f46681b20a0)) { mstore(0x00, hash) mstore(0x20, add(shr(255, vs), 27)) mstore(0x40, r) mstore(0x60, s) pop( staticcall( gas(), // Amount of gas left for the transaction. 0x01, // Address of `ecrecover`. 0x00, // Start of input. 0x80, // Size of input. 0x40, // Start of output. 0x20 // Size of output. ) ) // Restore the zero slot. mstore(0x60, 0) // `returndatasize()` will be `0x20` upon success, and `0x00` otherwise. result := mload(sub(0x60, returndatasize())) } // Restore the free memory pointer. mstore(0x40, m) } } function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 result) { assembly { // Store into scratch space for keccak256. mstore(0x20, hash) mstore(0x00, "\x00\x00\x00\x00\x19Ethereum Signed Message:\n32") // 0x40 - 0x04 = 0x3c result := keccak256(0x04, 0x3c) } } function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32 result) { assembly { // We need at most 128 bytes for Ethereum signed message header. // The max length of the ASCII reprenstation of a uint256 is 78 bytes. // The length of "\x19Ethereum Signed Message:\n" is 26 bytes (i.e. 0x1a). // The next multiple of 32 above 78 + 26 is 128 (i.e. 0x80). // Instead of allocating, we temporarily copy the 128 bytes before the // start of `s` data to some variables. let m3 := mload(sub(s, 0x60)) let m2 := mload(sub(s, 0x40)) let m1 := mload(sub(s, 0x20)) // The length of `s` is in bytes. let sLength := mload(s) let ptr := add(s, 0x20) // `end` marks the end of the memory which we will compute the keccak256 of. let end := add(ptr, sLength) // Convert the length of the bytes to ASCII decimal representation // and store it into the memory. // prettier-ignore for { let temp := sLength } 1 {} { ptr := sub(ptr, 1) mstore8(ptr, add(48, mod(temp, 10))) temp := div(temp, 10) // prettier-ignore if iszero(temp) { break } } // Copy the header over to the memory. mstore(sub(ptr, 0x20), "\x00\x00\x00\x00\x00\x00\x19Ethereum Signed Message:\n") // Compute the keccak256 of the memory. result := keccak256(sub(ptr, 0x1a), sub(end, sub(ptr, 0x1a))) // Restore the previous memory. mstore(s, sLength) mstore(sub(s, 0x20), m1) mstore(sub(s, 0x40), m2) mstore(sub(s, 0x60), m3) } } }
{ "optimizer": { "enabled": true, "runs": 1000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
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IERC721A.TokenOwnership","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"explicitOwnershipsOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"flipClaimState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"flipSaleState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"flipWhitelistState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"minter","type":"address"}],"name":"hasUnclaimedTokens","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_count","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint64","name":"_count","type":"uint64"},{"internalType":"address","name":"_recipient","type":"address"}],"name":"ownerMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"release","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"royaltyAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"saleIsActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"customBaseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_max","type":"uint256"}],"name":"setMaxPerWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"}],"name":"setPaymentRecipient","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenPrice","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newSigningKey","type":"address"}],"name":"setSigningAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"minter","type":"address"}],"name":"tokensClaimed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"tokensOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"stop","type":"uint256"}],"name":"tokensOfOwnerIn","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"whitelistIsActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_discountedPrice","type":"uint256"},{"internalType":"uint256","name":"_count","type":"uint256"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"whitelistMint","outputs":[],"stateMutability":"payable","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : _tokenName (string): Early Majority Digital Member Badge
Arg [1] : _tokenSymbol (string): EARLY
Arg [2] : _customBaseURI (string): https://arweave.net/jNgJ1E7tFo_g-gcHtzyQahk0fTB-IDCrc-MTOoyV1ro/
Arg [3] : _tokenPrice (uint256): 358000000000000000
Arg [4] : _tokensForSale (uint256): 2500
Arg [5] : _royaltyAddress (address): 0xD4Db4d54ba0228d7934C021417C73ae0949d5578
Arg [6] : _royaltyPercent (uint256): 700
-----Encoded View---------------
15 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000140
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000180
Arg [3] : 00000000000000000000000000000000000000000000000004f7df1a6d970000
Arg [4] : 00000000000000000000000000000000000000000000000000000000000009c4
Arg [5] : 000000000000000000000000d4db4d54ba0228d7934c021417c73ae0949d5578
Arg [6] : 00000000000000000000000000000000000000000000000000000000000002bc
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000023
Arg [8] : 4561726c79204d616a6f72697479204469676974616c204d656d626572204261
Arg [9] : 6467650000000000000000000000000000000000000000000000000000000000
Arg [10] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [11] : 4541524c59000000000000000000000000000000000000000000000000000000
Arg [12] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [13] : 68747470733a2f2f617277656176652e6e65742f6a4e674a31453774466f5f67
Arg [14] : 2d676348747a795161686b306654422d49444372632d4d544f6f795631726f2f
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