ERC-721
Overview
Max Total Supply
2,239 WHISPERER
Holders
2,239
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 WHISPERERLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Source Code Verified (Exact Match)
Contract Name:
Identification
Compiler Version
v0.8.25+commit.b61c2a91
Optimization Enabled:
Yes with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.25; import {ERC721A} from "ERC721A/ERC721A.sol"; import {Ownable} from "openzeppelin-contracts/access/Ownable.sol"; import {EIP712} from "openzeppelin-contracts/utils/cryptography/EIP712.sol"; import {SignatureChecker} from "openzeppelin-contracts/utils/cryptography/SignatureChecker.sol"; contract Identification is EIP712, ERC721A, Ownable { /// @notice the hash identifier derived from `keccak256("Mint(address to)")` bytes32 constant MINT_HASH = 0x7bfd33bd144b9589a0b3585d6cb96101c2894c984ab9aac14c2b14d4b49b6ee0; address public signer; string public baseURI; bool public isTransferable; error AlreadyMinted(); error InvalidSignature(); error NotTransferable(); modifier whenTransferable(uint256 tokenId) { if (_exists(tokenId) && !isTransferable) { revert NotTransferable(); } _; } constructor( string memory name, string memory symbol, string memory version, address owner, address signer_, string memory baseURI_ ) EIP712(name, version) ERC721A(name, symbol) Ownable(owner) { signer = signer_; baseURI = baseURI_; } function mint(bytes calldata signature) external payable { _verifySignature(_msgSender(), signature); if (_numberMinted(_msgSender()) > 0) { revert AlreadyMinted(); } _mint(_msgSender(), 1); } function setSigner(address signer_) external onlyOwner { signer = signer_; } function setBaseURI(string calldata baseURI_) external onlyOwner { baseURI = baseURI_; } function setTransferable(bool isTransferable_) external onlyOwner { isTransferable = isTransferable_; } function _verifySignature(address to, bytes calldata signature) internal view { if (!SignatureChecker.isValidSignatureNow(signer, _getHash(to), signature)) { revert InvalidSignature(); } } function _getHash(address to) internal view returns (bytes32) { bytes32 structHash = keccak256(abi.encode(MINT_HASH, to)); return _hashTypedDataV4(structHash); } function _beforeTokenTransfers(address, address, uint256 tokenId, uint256) internal override whenTransferable(tokenId) {} function _baseURI() internal view override returns (string memory) { return baseURI; } function _startTokenId() internal pure override returns (uint256) { return 1; } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.3.0 // 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()`. * * The `_sequentialUpTo()` function can be overriden to enable spot mints * (i.e. non-consecutive mints) for `tokenId`s greater than `_sequentialUpTo()`. * * 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 { // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364). 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; // The amount of tokens minted above `_sequentialUpTo()`. // We call these spot mints (i.e. non-sequential mints). uint256 private _spotMinted; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); if (_sequentialUpTo() < _startTokenId()) _revert(SequentialUpToTooSmall.selector); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID for sequential mints. * * Override this function to change the starting token ID for sequential mints. * * Note: The value returned must never change after any tokens have been minted. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the maximum token ID (inclusive) for sequential mints. * * Override this function to return a value less than 2**256 - 1, * but greater than `_startTokenId()`, to enable spot (non-sequential) mints. * * Note: The value returned must never change after any tokens have been minted. */ function _sequentialUpTo() internal view virtual returns (uint256) { return type(uint256).max; } /** * @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 result) { // Counter underflow is impossible as `_burnCounter` cannot be incremented // more than `_currentIndex + _spotMinted - _startTokenId()` times. unchecked { // With spot minting, the intermediate `result` can be temporarily negative, // and the computation must be unchecked. result = _currentIndex - _burnCounter - _startTokenId(); if (_sequentialUpTo() != type(uint256).max) result += _spotMinted; } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256 result) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { result = _currentIndex - _startTokenId(); if (_sequentialUpTo() != type(uint256).max) result += _spotMinted; } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } /** * @dev Returns the total number of tokens that are spot-minted. */ function _totalSpotMinted() internal view virtual returns (uint256) { return _spotMinted; } // ============================================================= // 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.selector); 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.selector); 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 Returns whether the ownership slot at `index` is initialized. * An uninitialized slot does not necessarily mean that the slot has no owner. */ function _ownershipIsInitialized(uint256 index) internal view virtual returns (bool) { return _packedOwnerships[index] != 0; } /** * @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); } } /** * @dev Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256 packed) { if (_startTokenId() <= tokenId) { packed = _packedOwnerships[tokenId]; if (tokenId > _sequentialUpTo()) { if (_packedOwnershipExists(packed)) return packed; _revert(OwnerQueryForNonexistentToken.selector); } // If the data at the starting slot does not exist, start the scan. if (packed == 0) { if (tokenId >= _currentIndex) _revert(OwnerQueryForNonexistentToken.selector); // 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, `tokenId` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. for (;;) { unchecked { packed = _packedOwnerships[--tokenId]; } if (packed == 0) continue; if (packed & _BITMASK_BURNED == 0) return packed; // Otherwise, the token is burned, and we must revert. // This handles the case of batch burned tokens, where only the burned bit // of the starting slot is set, and remaining slots are left uninitialized. _revert(OwnerQueryForNonexistentToken.selector); } } // Otherwise, the data exists and we can skip the scan. // This is possible because we have already achieved the target condition. // This saves 2143 gas on transfers of initialized tokens. // If the token is not burned, return `packed`. Otherwise, revert. if (packed & _BITMASK_BURNED == 0) return packed; } _revert(OwnerQueryForNonexistentToken.selector); } /** * @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. See {ERC721A-_approve}. * * Requirements: * * - The caller must own the token or be an approved operator. */ function approve(address to, uint256 tokenId) public payable virtual override { _approve(to, tokenId, true); } /** * @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.selector); 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 { _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 result) { if (_startTokenId() <= tokenId) { if (tokenId > _sequentialUpTo()) return _packedOwnershipExists(_packedOwnerships[tokenId]); if (tokenId < _currentIndex) { uint256 packed; while ((packed = _packedOwnerships[tokenId]) == 0) --tokenId; result = packed & _BITMASK_BURNED == 0; } } } /** * @dev Returns whether `packed` represents a token that exists. */ function _packedOwnershipExists(uint256 packed) private pure returns (bool result) { assembly { // The following is equivalent to `owner != address(0) && burned == false`. // Symbolically tested. result := gt(and(packed, _BITMASK_ADDRESS), and(packed, _BITMASK_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].value`. 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 payable virtual override { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); // Mask `from` to the lower 160 bits, in case the upper bits somehow aren't clean. from = address(uint160(uint256(uint160(from)) & _BITMASK_ADDRESS)); if (address(uint160(prevOwnershipPacked)) != from) _revert(TransferFromIncorrectOwner.selector); (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.selector); _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; } } } } // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS; assembly { // 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. from, // `from`. toMasked, // `to`. tokenId // `tokenId`. ) } if (toMasked == 0) _revert(TransferToZeroAddress.selector); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public payable 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 payable virtual override { transferFrom(from, to, tokenId); if (to.code.length != 0) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { _revert(TransferToNonERC721ReceiverImplementer.selector); } } /** * @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.selector); } 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.selector); _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: // - `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) ); // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS; if (toMasked == 0) _revert(MintToZeroAddress.selector); uint256 end = startTokenId + quantity; uint256 tokenId = startTokenId; if (end - 1 > _sequentialUpTo()) _revert(SequentialMintExceedsLimit.selector); do { assembly { // 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`. tokenId // `tokenId`. ) } // The `!=` check ensures that large values of `quantity` // that overflows uint256 will make the loop run out of gas. } while (++tokenId != end); _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.selector); if (quantity == 0) _revert(MintZeroQuantity.selector); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) _revert(MintERC2309QuantityExceedsLimit.selector); _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) ); if (startTokenId + quantity - 1 > _sequentialUpTo()) _revert(SequentialMintExceedsLimit.selector); 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.selector); } } while (index < end); // This prevents reentrancy to `_safeMint`. // It does not prevent reentrancy to `_safeMintSpot`. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } /** * @dev Mints a single token at `tokenId`. * * Note: A spot-minted `tokenId` that has been burned can be re-minted again. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` must be greater than `_sequentialUpTo()`. * - `tokenId` must not exist. * * Emits a {Transfer} event for each mint. */ function _mintSpot(address to, uint256 tokenId) internal virtual { if (tokenId <= _sequentialUpTo()) _revert(SpotMintTokenIdTooSmall.selector); uint256 prevOwnershipPacked = _packedOwnerships[tokenId]; if (_packedOwnershipExists(prevOwnershipPacked)) _revert(TokenAlreadyExists.selector); _beforeTokenTransfers(address(0), to, tokenId, 1); // Overflows are incredibly unrealistic. // The `numberMinted` for `to` is incremented by 1, and has a max limit of 2**64 - 1. // `_spotMinted` is incremented by 1, and has a max limit of 2**256 - 1. unchecked { // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `true` (as `quantity == 1`). _packedOwnerships[tokenId] = _packOwnershipData( to, _nextInitializedFlag(1) | _nextExtraData(address(0), to, prevOwnershipPacked) ); // Updates: // - `balance += 1`. // - `numberMinted += 1`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += (1 << _BITPOS_NUMBER_MINTED) | 1; // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS; if (toMasked == 0) _revert(MintToZeroAddress.selector); assembly { // 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`. tokenId // `tokenId`. ) } ++_spotMinted; } _afterTokenTransfers(address(0), to, tokenId, 1); } /** * @dev Safely mints a single token at `tokenId`. * * Note: A spot-minted `tokenId` that has been burned can be re-minted again. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}. * - `tokenId` must be greater than `_sequentialUpTo()`. * - `tokenId` must not exist. * * See {_mintSpot}. * * Emits a {Transfer} event. */ function _safeMintSpot( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mintSpot(to, tokenId); unchecked { if (to.code.length != 0) { uint256 currentSpotMinted = _spotMinted; if (!_checkContractOnERC721Received(address(0), to, tokenId, _data)) { _revert(TransferToNonERC721ReceiverImplementer.selector); } // This prevents reentrancy to `_safeMintSpot`. // It does not prevent reentrancy to `_safeMint`. if (_spotMinted != currentSpotMinted) revert(); } } } /** * @dev Equivalent to `_safeMintSpot(to, tokenId, '')`. */ function _safeMintSpot(address to, uint256 tokenId) internal virtual { _safeMintSpot(to, tokenId, ''); } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Equivalent to `_approve(to, tokenId, false)`. */ function _approve(address to, uint256 tokenId) internal virtual { _approve(to, tokenId, false); } /** * @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: * * - `tokenId` must exist. * * Emits an {Approval} event. */ function _approve( address to, uint256 tokenId, bool approvalCheck ) internal virtual { address owner = ownerOf(tokenId); if (approvalCheck && _msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { _revert(ApprovalCallerNotOwnerNorApproved.selector); } _tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } // ============================================================= // 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.selector); } _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 + _spotMinted` 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.selector); 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 0xa0 bytes to keep the free memory pointer 32-byte word aligned. // We will need 1 word for the trailing zeros padding, 1 word for the length, // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0. let m := add(mload(0x40), 0xa0) // Update the free memory pointer to allocate. mstore(0x40, m) // Assign the `str` to the end. str := sub(m, 0x20) // Zeroize the slot after the string. mstore(str, 0) // 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) } } /** * @dev For more efficient reverts. */ function _revert(bytes4 errorSelector) internal pure { assembly { mstore(0x00, errorSelector) revert(0x00, 0x04) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol) pragma solidity ^0.8.20; import {Context} from "../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. * * The initial owner is set to the address provided by the deployer. 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; /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ constructor(address initialOwner) { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @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 { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/EIP712.sol) pragma solidity ^0.8.20; import {MessageHashUtils} from "./MessageHashUtils.sol"; import {ShortStrings, ShortString} from "../ShortStrings.sol"; import {IERC5267} from "../../interfaces/IERC5267.sol"; /** * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data. * * The encoding scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to * produce the hash of their typed data using a combination of `abi.encode` and `keccak256`. * * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA * ({_hashTypedDataV4}). * * The implementation of the domain separator was designed to be as efficient as possible while still properly updating * the chain id to protect against replay attacks on an eventual fork of the chain. * * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. * * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the * separator from the immutable values, which is cheaper than accessing a cached version in cold storage. * * @custom:oz-upgrades-unsafe-allow state-variable-immutable */ abstract contract EIP712 is IERC5267 { using ShortStrings for *; bytes32 private constant TYPE_HASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"); // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to // invalidate the cached domain separator if the chain id changes. bytes32 private immutable _cachedDomainSeparator; uint256 private immutable _cachedChainId; address private immutable _cachedThis; bytes32 private immutable _hashedName; bytes32 private immutable _hashedVersion; ShortString private immutable _name; ShortString private immutable _version; string private _nameFallback; string private _versionFallback; /** * @dev Initializes the domain separator and parameter caches. * * The meaning of `name` and `version` is specified in * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]: * * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. * - `version`: the current major version of the signing domain. * * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart * contract upgrade]. */ constructor(string memory name, string memory version) { _name = name.toShortStringWithFallback(_nameFallback); _version = version.toShortStringWithFallback(_versionFallback); _hashedName = keccak256(bytes(name)); _hashedVersion = keccak256(bytes(version)); _cachedChainId = block.chainid; _cachedDomainSeparator = _buildDomainSeparator(); _cachedThis = address(this); } /** * @dev Returns the domain separator for the current chain. */ function _domainSeparatorV4() internal view returns (bytes32) { if (address(this) == _cachedThis && block.chainid == _cachedChainId) { return _cachedDomainSeparator; } else { return _buildDomainSeparator(); } } function _buildDomainSeparator() private view returns (bytes32) { return keccak256(abi.encode(TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this))); } /** * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this * function returns the hash of the fully encoded EIP712 message for this domain. * * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example: * * ```solidity * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( * keccak256("Mail(address to,string contents)"), * mailTo, * keccak256(bytes(mailContents)) * ))); * address signer = ECDSA.recover(digest, signature); * ``` */ function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) { return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash); } /** * @dev See {IERC-5267}. */ function eip712Domain() public view virtual returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ) { return ( hex"0f", // 01111 _EIP712Name(), _EIP712Version(), block.chainid, address(this), bytes32(0), new uint256[](0) ); } /** * @dev The name parameter for the EIP712 domain. * * NOTE: By default this function reads _name which is an immutable value. * It only reads from storage if necessary (in case the value is too large to fit in a ShortString). */ // solhint-disable-next-line func-name-mixedcase function _EIP712Name() internal view returns (string memory) { return _name.toStringWithFallback(_nameFallback); } /** * @dev The version parameter for the EIP712 domain. * * NOTE: By default this function reads _version which is an immutable value. * It only reads from storage if necessary (in case the value is too large to fit in a ShortString). */ // solhint-disable-next-line func-name-mixedcase function _EIP712Version() internal view returns (string memory) { return _version.toStringWithFallback(_versionFallback); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/SignatureChecker.sol) pragma solidity ^0.8.20; import {ECDSA} from "./ECDSA.sol"; import {IERC1271} from "../../interfaces/IERC1271.sol"; /** * @dev Signature verification helper that can be used instead of `ECDSA.recover` to seamlessly support both ECDSA * signatures from externally owned accounts (EOAs) as well as ERC1271 signatures from smart contract wallets like * Argent and Safe Wallet (previously Gnosis Safe). */ library SignatureChecker { /** * @dev Checks if a signature is valid for a given signer and data hash. If the signer is a smart contract, the * signature is validated against that smart contract using ERC1271, otherwise it's validated using `ECDSA.recover`. * * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus * change through time. It could return true at block N and false at block N+1 (or the opposite). */ function isValidSignatureNow(address signer, bytes32 hash, bytes memory signature) internal view returns (bool) { (address recovered, ECDSA.RecoverError error, ) = ECDSA.tryRecover(hash, signature); return (error == ECDSA.RecoverError.NoError && recovered == signer) || isValidERC1271SignatureNow(signer, hash, signature); } /** * @dev Checks if a signature is valid for a given signer and data hash. The signature is validated * against the signer smart contract using ERC1271. * * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus * change through time. It could return true at block N and false at block N+1 (or the opposite). */ function isValidERC1271SignatureNow( address signer, bytes32 hash, bytes memory signature ) internal view returns (bool) { (bool success, bytes memory result) = signer.staticcall( abi.encodeCall(IERC1271.isValidSignature, (hash, signature)) ); return (success && result.length >= 32 && abi.decode(result, (bytes32)) == bytes32(IERC1271.isValidSignature.selector)); } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.3.0 // 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(); /** * 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(); /** * `_sequentialUpTo()` must be greater than `_startTokenId()`. */ error SequentialUpToTooSmall(); /** * The `tokenId` of a sequential mint exceeds `_sequentialUpTo()`. */ error SequentialMintExceedsLimit(); /** * Spot minting requires a `tokenId` greater than `_sequentialUpTo()`. */ error SpotMintTokenIdTooSmall(); /** * Cannot mint over a token that already exists. */ error TokenAlreadyExists(); /** * The feature is not compatible with spot mints. */ error NotCompatibleWithSpotMints(); // ============================================================= // 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 payable; /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external payable; /** * @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 payable; /** * @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 payable; /** * @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 v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; /** * @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; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/MessageHashUtils.sol) pragma solidity ^0.8.20; import {Strings} from "../Strings.sol"; /** * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing. * * The library provides methods for generating a hash of a message that conforms to the * https://eips.ethereum.org/EIPS/eip-191[EIP 191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712] * specifications. */ library MessageHashUtils { /** * @dev Returns the keccak256 digest of an EIP-191 signed data with version * `0x45` (`personal_sign` messages). * * The digest is calculated by prefixing a bytes32 `messageHash` with * `"\x19Ethereum Signed Message:\n32"` and hashing the result. It corresponds with the * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method. * * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with * keccak256, although any bytes32 value can be safely used because the final digest will * be re-hashed. * * See {ECDSA-recover}. */ function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) { /// @solidity memory-safe-assembly assembly { mstore(0x00, "\x19Ethereum Signed Message:\n32") // 32 is the bytes-length of messageHash mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20) } } /** * @dev Returns the keccak256 digest of an EIP-191 signed data with version * `0x45` (`personal_sign` messages). * * The digest is calculated by prefixing an arbitrary `message` with * `"\x19Ethereum Signed Message:\n" + len(message)` and hashing the result. It corresponds with the * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method. * * See {ECDSA-recover}. */ function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) { return keccak256(bytes.concat("\x19Ethereum Signed Message:\n", bytes(Strings.toString(message.length)), message)); } /** * @dev Returns the keccak256 digest of an EIP-191 signed data with version * `0x00` (data with intended validator). * * The digest is calculated by prefixing an arbitrary `data` with `"\x19\x00"` and the intended * `validator` address. Then hashing the result. * * See {ECDSA-recover}. */ function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) { return keccak256(abi.encodePacked(hex"19_00", validator, data)); } /** * @dev Returns the keccak256 digest of an EIP-712 typed data (EIP-191 version `0x01`). * * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with * `\x19\x01` and hashing the result. It corresponds to the hash signed by the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712. * * See {ECDSA-recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) { /// @solidity memory-safe-assembly assembly { let ptr := mload(0x40) mstore(ptr, hex"19_01") mstore(add(ptr, 0x02), domainSeparator) mstore(add(ptr, 0x22), structHash) digest := keccak256(ptr, 0x42) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/ShortStrings.sol) pragma solidity ^0.8.20; import {StorageSlot} from "./StorageSlot.sol"; // | string | 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA | // | length | 0x BB | type ShortString is bytes32; /** * @dev This library provides functions to convert short memory strings * into a `ShortString` type that can be used as an immutable variable. * * Strings of arbitrary length can be optimized using this library if * they are short enough (up to 31 bytes) by packing them with their * length (1 byte) in a single EVM word (32 bytes). Additionally, a * fallback mechanism can be used for every other case. * * Usage example: * * ```solidity * contract Named { * using ShortStrings for *; * * ShortString private immutable _name; * string private _nameFallback; * * constructor(string memory contractName) { * _name = contractName.toShortStringWithFallback(_nameFallback); * } * * function name() external view returns (string memory) { * return _name.toStringWithFallback(_nameFallback); * } * } * ``` */ library ShortStrings { // Used as an identifier for strings longer than 31 bytes. bytes32 private constant FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF; error StringTooLong(string str); error InvalidShortString(); /** * @dev Encode a string of at most 31 chars into a `ShortString`. * * This will trigger a `StringTooLong` error is the input string is too long. */ function toShortString(string memory str) internal pure returns (ShortString) { bytes memory bstr = bytes(str); if (bstr.length > 31) { revert StringTooLong(str); } return ShortString.wrap(bytes32(uint256(bytes32(bstr)) | bstr.length)); } /** * @dev Decode a `ShortString` back to a "normal" string. */ function toString(ShortString sstr) internal pure returns (string memory) { uint256 len = byteLength(sstr); // using `new string(len)` would work locally but is not memory safe. string memory str = new string(32); /// @solidity memory-safe-assembly assembly { mstore(str, len) mstore(add(str, 0x20), sstr) } return str; } /** * @dev Return the length of a `ShortString`. */ function byteLength(ShortString sstr) internal pure returns (uint256) { uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF; if (result > 31) { revert InvalidShortString(); } return result; } /** * @dev Encode a string into a `ShortString`, or write it to storage if it is too long. */ function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) { if (bytes(value).length < 32) { return toShortString(value); } else { StorageSlot.getStringSlot(store).value = value; return ShortString.wrap(FALLBACK_SENTINEL); } } /** * @dev Decode a string that was encoded to `ShortString` or written to storage using {setWithFallback}. */ function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) { if (ShortString.unwrap(value) != FALLBACK_SENTINEL) { return toString(value); } else { return store; } } /** * @dev Return the length of a string that was encoded to `ShortString` or written to storage using * {setWithFallback}. * * WARNING: This will return the "byte length" of the string. This may not reflect the actual length in terms of * actual characters as the UTF-8 encoding of a single character can span over multiple bytes. */ function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) { if (ShortString.unwrap(value) != FALLBACK_SENTINEL) { return byteLength(value); } else { return bytes(store).length; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5267.sol) pragma solidity ^0.8.20; interface IERC5267 { /** * @dev MAY be emitted to signal that the domain could have changed. */ event EIP712DomainChanged(); /** * @dev returns the fields and values that describe the domain separator used by this contract for EIP-712 * signature. */ function eip712Domain() external view returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.20; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS } /** * @dev The signature derives the `address(0)`. */ error ECDSAInvalidSignature(); /** * @dev The signature has an invalid length. */ error ECDSAInvalidSignatureLength(uint256 length); /** * @dev The signature has an S value that is in the upper half order. */ error ECDSAInvalidSignatureS(bytes32 s); /** * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not * return address(0) without also returning an error description. Errors are documented using an enum (error type) * and a bytes32 providing additional information about the error. * * If no error is returned, then the address can be used for verification purposes. * * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError, bytes32) { if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. /// @solidity memory-safe-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else { return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length)); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature); _throwError(error, errorArg); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures] */ function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError, bytes32) { unchecked { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); // We do not check for an overflow here since the shift operation results in 0 or 1. uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. */ function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs); _throwError(error, errorArg); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address, RecoverError, bytes32) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS, s); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature, bytes32(0)); } return (signer, RecoverError.NoError, bytes32(0)); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s); _throwError(error, errorArg); return recovered; } /** * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided. */ function _throwError(RecoverError error, bytes32 errorArg) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert ECDSAInvalidSignature(); } else if (error == RecoverError.InvalidSignatureLength) { revert ECDSAInvalidSignatureLength(uint256(errorArg)); } else if (error == RecoverError.InvalidSignatureS) { revert ECDSAInvalidSignatureS(errorArg); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1271.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC1271 standard signature validation method for * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271]. */ interface IERC1271 { /** * @dev Should return whether the signature provided is valid for the provided data * @param hash Hash of the data to be signed * @param signature Signature byte array associated with _data */ function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol) pragma solidity ^0.8.20; import {Math} from "./math/Math.sol"; import {SignedMath} from "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant HEX_DIGITS = "0123456789abcdef"; uint8 private constant ADDRESS_LENGTH = 20; /** * @dev The `value` string doesn't fit in the specified `length`. */ error StringsInsufficientHexLength(uint256 value, uint256 length); /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), HEX_DIGITS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toStringSigned(int256 value) internal pure returns (string memory) { return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { uint256 localValue = value; 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_DIGITS[localValue & 0xf]; localValue >>= 4; } if (localValue != 0) { revert StringsInsufficientHexLength(value, length); } return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal * representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol) // This file was procedurally generated from scripts/generate/templates/StorageSlot.js. pragma solidity ^0.8.20; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ```solidity * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(newImplementation.code.length > 0); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } struct StringSlot { string value; } struct BytesSlot { bytes value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` with member `value` located at `slot`. */ function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` representation of the string storage pointer `store`. */ function getStringSlot(string storage store) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } /** * @dev Returns an `BytesSlot` with member `value` located at `slot`. */ function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`. */ function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol) pragma solidity ^0.8.20; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { /** * @dev Muldiv operation overflow. */ error MathOverflowedMulDiv(); enum Rounding { Floor, // Toward negative infinity Ceil, // Toward positive infinity Trunc, // Toward zero Expand // Away from zero } /** * @dev Returns the addition of two unsigned integers, with an overflow flag. */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an overflow flag. */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds towards infinity instead * of rounding towards zero. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { if (b == 0) { // Guarantee the same behavior as in a regular Solidity division. return a / b; } // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or * denominator == 0. * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by * Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0 = x * y; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. if (denominator <= prod1) { revert MathOverflowedMulDiv(); } /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. // Always >= 1. See https://cs.stackexchange.com/q/138556/92363. uint256 twos = denominator & (0 - denominator); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also // works in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded * towards zero. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256 of a positive value rounded towards zero. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0); } } /** * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers. */ function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) { return uint8(rounding) % 2 == 1; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.20; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
{ "remappings": [ "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/", "erc4973o/=lib/erc4973o/src/", "forge-std/=lib/forge-std/src/", "openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/", "ERC721A/=lib/ERC721A/contracts/", "ds-test/=lib/erc4973o/lib/forge-std/lib/ds-test/src/", "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/", "lib/forge-std:ds-test/=lib/erc4973o/lib/forge-std/lib/ds-test/src/", "lib/openzeppelin-contracts:ds-test/=lib/erc4973o/lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/", "lib/openzeppelin-contracts:erc4626-tests/=lib/erc4973o/lib/openzeppelin-contracts/lib/erc4626-tests/", "lib/openzeppelin-contracts:forge-std/=lib/erc4973o/lib/openzeppelin-contracts/lib/forge-std/src/", "lib/openzeppelin-contracts:openzeppelin/=lib/erc4973o/lib/openzeppelin-contracts/contracts/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "ipfs", "appendCBOR": true }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "paris", "viaIR": false, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"string","name":"version","type":"string"},{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"signer_","type":"address"},{"internalType":"string","name":"baseURI_","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyMinted","type":"error"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"InvalidShortString","type":"error"},{"inputs":[],"name":"InvalidSignature","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"NotCompatibleWithSpotMints","type":"error"},{"inputs":[],"name":"NotTransferable","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"SequentialMintExceedsLimit","type":"error"},{"inputs":[],"name":"SequentialUpToTooSmall","type":"error"},{"inputs":[],"name":"SpotMintTokenIdTooSmall","type":"error"},{"inputs":[{"internalType":"string","name":"str","type":"string"}],"name":"StringTooLong","type":"error"},{"inputs":[],"name":"TokenAlreadyExists","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[],"name":"EIP712DomainChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"eip712Domain","outputs":[{"internalType":"bytes1","name":"fields","type":"bytes1"},{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"version","type":"string"},{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"address","name":"verifyingContract","type":"address"},{"internalType":"bytes32","name":"salt","type":"bytes32"},{"internalType":"uint256[]","name":"extensions","type":"uint256[]"}],"stateMutability":"view","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":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isTransferable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"signature","type":"bytes"}],"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":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","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":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"signer_","type":"address"}],"name":"setSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"isTransferable_","type":"bool"}],"name":"setTransferable","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"signer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"result","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":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : name (string): Badge of Faith
Arg [1] : symbol (string): WHISPERER
Arg [2] : version (string): 1
Arg [3] : owner (address): 0x2fd4Bb667f8F61264E04F2A7D349f750Be2270A0
Arg [4] : signer_ (address): 0x2Fe6940636f23bd15673Cb593182f9cEebAC914f
Arg [5] : baseURI_ (string): https://api.thewhisperer.io/metadata/card/
-----Encoded View---------------
15 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000100
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000140
Arg [3] : 0000000000000000000000002fd4bb667f8f61264e04f2a7d349f750be2270a0
Arg [4] : 0000000000000000000000002fe6940636f23bd15673cb593182f9ceebac914f
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000180
Arg [6] : 000000000000000000000000000000000000000000000000000000000000000e
Arg [7] : 4261646765206f66204661697468000000000000000000000000000000000000
Arg [8] : 0000000000000000000000000000000000000000000000000000000000000009
Arg [9] : 5748495350455245520000000000000000000000000000000000000000000000
Arg [10] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [11] : 3100000000000000000000000000000000000000000000000000000000000000
Arg [12] : 000000000000000000000000000000000000000000000000000000000000002a
Arg [13] : 68747470733a2f2f6170692e7468657768697370657265722e696f2f6d657461
Arg [14] : 646174612f636172642f00000000000000000000000000000000000000000000
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.