ERC-721
Overview
Max Total Supply
1,509 VU
Holders
279
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 VULoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
VandalsUnion
Compiler Version
v0.8.14+commit.80d49f37
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT // =================================================================== // _ _ _ _ _ _ _ // | | | | | | | | | | | | (_) // | | | | __ _ _ __ __| | __ _| |___ | | | |_ __ _ ___ _ __ // | | | |/ _` | '_ \ / _` |/ _` | / __| | | | | '_ \| |/ _ \| '_ \ // \ \_/ / (_| | | | | (_| | (_| | \__ \ | |_| | | | | | (_) | | | | // \___/ \__,_|_| |_|\__,_|\__,_|_|___/ \___/|_| |_|_|\___/|_| |_| // // =================================================================== pragma solidity ^0.8.14; import {DefaultOperatorFilterer} from "./OperatorFilter/DefaultOperatorFilterer.sol"; import "@minteeble/smart-contracts/contracts/token/ERC721/MinteebleERC721A.sol"; contract VandalsUnion is MinteebleERC721A, DefaultOperatorFilterer { constructor( string memory _tokenName, string memory _tokenSymbol, uint256 _maxSupply, uint256 _mintPrice ) MinteebleERC721A(_tokenName, _tokenSymbol, _maxSupply, _mintPrice) {} function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) { super.setApprovalForAll(operator, approved); } function approve(address operator, uint256 tokenId) public payable override onlyAllowedOperatorApproval(operator) { super.approve(operator, tokenId); } function transferFrom( address from, address to, uint256 tokenId ) public payable override onlyAllowedOperator(from) { super.transferFrom(from, to, tokenId); } function safeTransferFrom( address from, address to, uint256 tokenId ) public payable override onlyAllowedOperator(from) { super.safeTransferFrom(from, to, tokenId); } function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory data ) public payable override onlyAllowedOperator(from) { super.safeTransferFrom(from, to, tokenId, data); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; import {OperatorFilterer} from "./OperatorFilterer.sol"; /** * @title DefaultOperatorFilterer * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription. */ abstract contract DefaultOperatorFilterer is OperatorFilterer { address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6); constructor() OperatorFilterer(DEFAULT_SUBSCRIPTION, true) {} }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.14; // ============================================= // _ _ _ _ _ ___ ___ ___ ___ _ ___ // | \_/ || || \| ||_ _|| __|| __|| o ) | | __| // | \_/ || || \\ | | | | _| | _| | o \ |_ | _| // |_| |_||_||_|\_| |_| |___||___||___/___||___| // // Website: https://minteeble.com // // ============================================= import "erc721a/contracts/ERC721A.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol"; import "@openzeppelin/contracts/utils/Counters.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol"; import "./MinteeblePartialERC721.sol"; import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; contract MinteebleERC721A is MinteeblePartialERC721, ERC721A, ReentrancyGuard { using Counters for Counters.Counter; using Strings for uint256; bool public whitelistMintEnabled = false; bytes32 public merkleRoot; uint256 public maxWhitelistMintAmountPerTrx = 8; /** * @notice MinteebleERC721 constructor * @param _tokenName Token name * @param _tokenName Token symbol */ constructor( string memory _tokenName, string memory _tokenSymbol, uint256 _maxSupply, uint256 _mintPrice ) ERC721A(_tokenName, _tokenSymbol) { mintPrice = _mintPrice; maxSupply = _maxSupply; } /** * @dev Checks if caller can mint */ modifier canMint(uint256 _mintAmount) { require(totalSupply() + _mintAmount <= maxSupply, "Max supply exceed!"); require( _mintAmount <= maxMintAmountPerTrx, "Exceeded maximum total amount per trx!" ); require( totalMintedByAddress[msg.sender] + _mintAmount <= maxMintAmountPerAddress, "Exceeded maximum total amount per address!" ); _; } /** * @dev Checks if caller can mint */ modifier canWhitelistMint(uint256 _mintAmount) { require(totalSupply() + _mintAmount <= maxSupply, "Max supply exceed!"); require( _mintAmount <= maxWhitelistMintAmountPerTrx, "Exceeded maximum total amount per trx!" ); _; } /** * @notice Allows owner to set the max number of mintable items in a single transaction * @param _maxAmount Max amount */ function setWhitelistMaxMintAmountPerTrx(uint256 _maxAmount) public onlyOwner { maxWhitelistMintAmountPerTrx = _maxAmount; } /** * @inheritdoc ERC721A */ function _startTokenId() internal view virtual override returns (uint256) { return 1; } /** * @inheritdoc ERC721A */ function _baseURI() internal view override returns (string memory) { return baseUri; } function setWhitelistMintEnabled(bool _state) public onlyOwner { whitelistMintEnabled = _state; } function setMerkleRoot(bytes32 _merkleRoot) public onlyOwner { merkleRoot = _merkleRoot; } /** * @inheritdoc ERC721A */ function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) { require(_exists(_tokenId), "Token ID do es not exist."); // Checks if collection is revealed if (!revealed) return preRevealUri; // Evaluating full URI for the specified ID return string.concat(_baseURI(), _tokenId.toString(), uriSuffix); } function whitelistMint(uint256 _mintAmount, bytes32[] calldata _merkleProof) public payable virtual canWhitelistMint(_mintAmount) enoughFunds(_mintAmount) { require(whitelistMintEnabled, "The whitelist sale is not enabled!"); bytes32 leaf = keccak256(abi.encodePacked(_msgSender())); require( MerkleProof.verify(_merkleProof, merkleRoot, leaf), "Invalid proof!" ); _safeMint(_msgSender(), _mintAmount); totalMintedByAddress[_msgSender()] += _mintAmount; } /** * @notice Mints one or more items */ function mint(uint256 _mintAmount) public payable virtual canMint(_mintAmount) enoughFunds(_mintAmount) active { _safeMint(_msgSender(), _mintAmount); totalMintedByAddress[_msgSender()] += _mintAmount; } function mintForAddress(address receiver, uint256 _mintAmount) public payable enoughFunds(_mintAmount) active { require( _mintAmount <= maxMintAmountPerTrx, "Exceeded maximum total amount per trx!" ); require( totalMintedByAddress[receiver] + _mintAmount <= maxMintAmountPerAddress, "Exceeded maximum total amount!" ); for (uint256 i = 0; i < _mintAmount; i++) { totalMintedByAddress[receiver]++; } _safeMint(receiver, _mintAmount); } /** * @notice Mints item for another address. (Reserved to contract owner) */ function ownerMintForAddress(uint256 _mintAmount, address _receiver) public onlyOwner { require(totalSupply() + _mintAmount <= maxSupply, "Max supply exceed!"); _safeMint(_receiver, _mintAmount); } function walletOfOwner(address _owner) public view returns (uint256[] memory) { uint256 ownerTokenCount = balanceOf(_owner); uint256[] memory ownedTokenIds = new uint256[](ownerTokenCount); uint256 currentTokenId = _startTokenId(); uint256 ownedTokenIndex = 0; address latestOwnerAddress; while ( ownedTokenIndex < ownerTokenCount && currentTokenId <= maxSupply ) { TokenOwnership memory ownership = _ownershipOf(currentTokenId); if (!ownership.burned && ownership.addr != address(0)) { latestOwnerAddress = ownership.addr; } if (latestOwnerAddress == _owner) { ownedTokenIds[ownedTokenIndex] = currentTokenId; ownedTokenIndex++; } currentTokenId++; } return ownedTokenIds; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol"; /** * @title OperatorFilterer * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another * registrant's entries in the OperatorFilterRegistry. * @dev This smart contract is meant to be inherited by token contracts so they can use the following: * - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods. * - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods. */ abstract contract OperatorFilterer { error OperatorNotAllowed(address operator); IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY = IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E); constructor(address subscriptionOrRegistrantToCopy, bool subscribe) { // If an inheriting token contract is deployed to a network without the registry deployed, the modifier // will not revert, but the contract will need to be registered with the registry once it is deployed in // order for the modifier to filter addresses. if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) { if (subscribe) { OPERATOR_FILTER_REGISTRY.registerAndSubscribe( address(this), subscriptionOrRegistrantToCopy ); } else { if (subscriptionOrRegistrantToCopy != address(0)) { OPERATOR_FILTER_REGISTRY.registerAndCopyEntries( address(this), subscriptionOrRegistrantToCopy ); } else { OPERATOR_FILTER_REGISTRY.register(address(this)); } } } } modifier onlyAllowedOperator(address from) virtual { // Check registry code length to facilitate testing in environments without a deployed registry. if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) { // Allow spending tokens from addresses with balance // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred // from an EOA. if (from == msg.sender) { _; return; } if ( !OPERATOR_FILTER_REGISTRY.isOperatorAllowed( address(this), msg.sender ) ) { revert OperatorNotAllowed(msg.sender); } } _; } modifier onlyAllowedOperatorApproval(address operator) virtual { // Check registry code length to facilitate testing in environments without a deployed registry. if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) { if ( !OPERATOR_FILTER_REGISTRY.isOperatorAllowed( address(this), operator ) ) { revert OperatorNotAllowed(operator); } } _; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; interface IOperatorFilterRegistry { function isOperatorAllowed(address registrant, address operator) external view returns (bool); function register(address registrant) external; function registerAndSubscribe(address registrant, address subscription) external; function registerAndCopyEntries(address registrant, address registrantToCopy) external; function unregister(address addr) external; function updateOperator(address registrant, address operator, bool filtered) external; function updateOperators(address registrant, address[] calldata operators, bool filtered) external; function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external; function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external; function subscribe(address registrant, address registrantToSubscribe) external; function unsubscribe(address registrant, bool copyExistingEntries) external; function subscriptionOf(address addr) external returns (address registrant); function subscribers(address registrant) external returns (address[] memory); function subscriberAt(address registrant, uint256 index) external returns (address); function copyEntriesOf(address registrant, address registrantToCopy) external; function isOperatorFiltered(address registrant, address operator) external returns (bool); function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool); function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool); function filteredOperators(address addr) external returns (address[] memory); function filteredCodeHashes(address addr) external returns (bytes32[] memory); function filteredOperatorAt(address registrant, uint256 index) external returns (address); function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32); function isRegistered(address addr) external returns (bool); function codeHashOf(address addr) external returns (bytes32); }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.3 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721A.sol'; /** * @dev Interface of ERC721 token receiver. */ interface ERC721A__IERC721Receiver { function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } /** * @title ERC721A * * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721) * Non-Fungible Token Standard, including the Metadata extension. * Optimized for lower gas during batch mints. * * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...) * starting from `_startTokenId()`. * * Assumptions: * * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply. * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256). */ contract ERC721A is IERC721A { // 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; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID. * To change the starting token ID, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return _currentIndex; } /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() public view virtual override returns (uint256) { // Counter underflow is impossible as _burnCounter cannot be incremented // more than `_currentIndex - _startTokenId()` times. unchecked { return _currentIndex - _burnCounter - _startTokenId(); } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { return _currentIndex - _startTokenId(); } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } // ============================================================= // ADDRESS DATA OPERATIONS // ============================================================= /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) public view virtual override returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { return uint64(_packedAddressData[owner] >> _BITPOS_AUX); } /** * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal virtual { uint256 packed = _packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); _packedAddressData[owner] = packed; } // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { // The interface IDs are constants representing the first 4 bytes // of the XOR of all function selectors in the interface. // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165) // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`) return interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165. interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721. interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata. } // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : ''; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, it can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } // ============================================================= // OWNERSHIPS OPERATIONS // ============================================================= /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { return address(uint160(_packedOwnershipOf(tokenId))); } /** * @dev Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around over time. */ function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnershipOf(tokenId)); } /** * @dev Returns the unpacked `TokenOwnership` struct at `index`. */ function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnerships[index]); } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (_packedOwnerships[index] == 0) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) { uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr) if (curr < _currentIndex) { uint256 packed = _packedOwnerships[curr]; // If not burned. if (packed & _BITMASK_BURNED == 0) { // Invariant: // There will always be an initialized ownership slot // (i.e. `ownership.addr != address(0) && ownership.burned == false`) // before an unintialized ownership slot // (i.e. `ownership.addr == address(0) && ownership.burned == false`) // Hence, `curr` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. while (packed == 0) { packed = _packedOwnerships[--curr]; } return packed; } } } revert OwnerQueryForNonexistentToken(); } /** * @dev Returns the unpacked `TokenOwnership` struct from `packed`. */ function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) { ownership.addr = address(uint160(packed)); ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP); ownership.burned = packed & _BITMASK_BURNED != 0; ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA); } /** * @dev Packs ownership data into a single uint256. */ function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`. result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags)) } } /** * @dev Returns the `nextInitialized` flag set if `quantity` equals 1. */ function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) { // For branchless setting of the `nextInitialized` flag. assembly { // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`. result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1)) } } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) public payable virtual override { address owner = ownerOf(tokenId); if (_msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { revert ApprovalCallerNotOwnerNorApproved(); } _tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return _tokenApprovals[tokenId].value; } /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) public virtual override { _operatorApprovals[_msgSenderERC721A()][operator] = approved; emit ApprovalForAll(_msgSenderERC721A(), operator, approved); } /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted. See {_mint}. */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _startTokenId() <= tokenId && tokenId < _currentIndex && // If within bounds, _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned. } /** * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`. */ function _isSenderApprovedOrOwner( address approvedAddress, address owner, address msgSender ) private pure returns (bool result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean. msgSender := and(msgSender, _BITMASK_ADDRESS) // `msgSender == owner || msgSender == approvedAddress`. result := or(eq(msgSender, owner), eq(msgSender, approvedAddress)) } } /** * @dev Returns the storage slot and value for the approved address of `tokenId`. */ function _getApprovedSlotAndAddress(uint256 tokenId) private view returns (uint256 approvedAddressSlot, address approvedAddress) { TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId]; // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].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); if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner(); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); if (to == address(0)) revert TransferToZeroAddress(); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // We can directly increment and decrement the balances. --_packedAddressData[from]; // Updates: `balance -= 1`. ++_packedAddressData[to]; // Updates: `balance += 1`. // Updates: // - `address` to the next owner. // - `startTimestamp` to the timestamp of transfering. // - `burned` to `false`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( to, _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public 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(); } } /** * @dev Hook that is called before a set of serially-ordered token IDs * are about to be transferred. This includes minting. * And also called before burning one token. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token IDs * have been transferred. This includes minting. * And also called after one token has been burned. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been * transferred to `to`. * - When `from` is zero, `tokenId` has been minted for `to`. * - When `to` is zero, `tokenId` has been burned by `from`. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * `from` - Previous owner of the given token ID. * `to` - Target address that will receive the token. * `tokenId` - Token ID to be transferred. * `_data` - Optional data to send along with the call. * * Returns whether the call correctly returned the expected magic value. */ function _checkContractOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns ( bytes4 retval ) { return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert TransferToNonERC721ReceiverImplementer(); } else { assembly { revert(add(32, reason), mload(reason)) } } } } // ============================================================= // MINT OPERATIONS // ============================================================= /** * @dev Mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {Transfer} event for each mint. */ function _mint(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (quantity == 0) revert MintZeroQuantity(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are incredibly unrealistic. // `balance` and `numberMinted` have a maximum limit of 2**64. // `tokenId` has a maximum limit of 2**256. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); uint256 toMasked; uint256 end = startTokenId + quantity; // Use assembly to loop and emit the `Transfer` event for gas savings. // The duplicated `log4` removes an extra check and reduces stack juggling. // The assembly, together with the surrounding Solidity code, have been // delicately arranged to nudge the compiler into producing optimized opcodes. assembly { // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. toMasked := and(to, _BITMASK_ADDRESS) // Emit the `Transfer` event. log4( 0, // Start of data (0, since no data). 0, // End of data (0, since no data). _TRANSFER_EVENT_SIGNATURE, // Signature. 0, // `address(0)`. toMasked, // `to`. startTokenId // `tokenId`. ) // The `iszero(eq(,))` check ensures that large values of `quantity` // that overflows uint256 will make the loop run out of gas. // The compiler will optimize the `iszero` away for performance. for { let tokenId := add(startTokenId, 1) } iszero(eq(tokenId, end)) { tokenId := add(tokenId, 1) } { // Emit the `Transfer` event. Similar to above. log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId) } } if (toMasked == 0) revert MintToZeroAddress(); _currentIndex = end; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Mints `quantity` tokens and transfers them to `to`. * * This function is intended for efficient minting only during contract creation. * * It emits only one {ConsecutiveTransfer} as defined in * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309), * instead of a sequence of {Transfer} event(s). * * Calling this function outside of contract creation WILL make your contract * non-compliant with the ERC721 standard. * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309 * {ConsecutiveTransfer} event is only permissible during contract creation. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {ConsecutiveTransfer} event. */ function _mintERC2309(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are unrealistic due to the above check for `quantity` to be below the limit. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to); _currentIndex = startTokenId + quantity; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * See {_mint}. * * Emits a {Transfer} event for each mint. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal virtual { _mint(to, quantity); unchecked { if (to.code.length != 0) { uint256 end = _currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (index < end); // Reentrancy protection. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } // ============================================================= // BURN OPERATIONS // ============================================================= /** * @dev Equivalent to `_burn(tokenId, false)`. */ function _burn(uint256 tokenId) internal virtual { _burn(tokenId, false); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId, bool approvalCheck) internal virtual { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); address from = address(uint160(prevOwnershipPacked)); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); if (approvalCheck) { // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); } _beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // Updates: // - `balance -= 1`. // - `numberBurned += 1`. // // We can directly decrement the balance, and increment the number burned. // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`. _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1; // Updates: // - `address` to the last owner. // - `startTimestamp` to the timestamp of burning. // - `burned` to `true`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( from, (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times. unchecked { _burnCounter++; } } // ============================================================= // EXTRA DATA OPERATIONS // ============================================================= /** * @dev Directly sets the extra data for the ownership data `index`. */ function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual { uint256 packed = _packedOwnerships[index]; if (packed == 0) revert OwnershipNotInitializedForExtraData(); uint256 extraDataCasted; // Cast `extraData` with assembly to avoid redundant masking. assembly { extraDataCasted := extraData } packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA); _packedOwnerships[index] = packed; } /** * @dev Called during each token transfer to set the 24bit `extraData` field. * Intended to be overridden by the cosumer contract. * * `previousExtraData` - the value of `extraData` before transfer. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _extraData( address from, address to, uint24 previousExtraData ) internal view virtual returns (uint24) {} /** * @dev Returns the next extra data for the packed ownership data. * The returned result is shifted into position. */ function _nextExtraData( address from, address to, uint256 prevOwnershipPacked ) private view returns (uint256) { uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA); return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA; } // ============================================================= // OTHER OPERATIONS // ============================================================= /** * @dev Returns the message sender (defaults to `msg.sender`). * * If you are writing GSN compatible contracts, you need to override this function. */ function _msgSenderERC721A() internal view virtual returns (address) { return msg.sender; } /** * @dev Converts a uint256 to its ASCII string decimal representation. */ function _toString(uint256 value) internal pure virtual returns (string memory str) { assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), but // we allocate 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) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Enumerable.sol) pragma solidity ^0.8.0; import "../ERC721.sol"; import "./IERC721Enumerable.sol"; /** * @dev This implements an optional extension of {ERC721} defined in the EIP that adds * enumerability of all the token ids in the contract as well as all token ids owned by each * account. */ abstract contract ERC721Enumerable is ERC721, IERC721Enumerable { // Mapping from owner to list of owned token IDs mapping(address => mapping(uint256 => uint256)) private _ownedTokens; // Mapping from token ID to index of the owner tokens list mapping(uint256 => uint256) private _ownedTokensIndex; // Array with all token ids, used for enumeration uint256[] private _allTokens; // Mapping from token id to position in the allTokens array mapping(uint256 => uint256) private _allTokensIndex; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. */ function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) { require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds"); return _ownedTokens[owner][index]; } /** * @dev See {IERC721Enumerable-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _allTokens.length; } /** * @dev See {IERC721Enumerable-tokenByIndex}. */ function tokenByIndex(uint256 index) public view virtual override returns (uint256) { require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds"); return _allTokens[index]; } /** * @dev See {ERC721-_beforeTokenTransfer}. */ function _beforeTokenTransfer( address from, address to, uint256 firstTokenId, uint256 batchSize ) internal virtual override { super._beforeTokenTransfer(from, to, firstTokenId, batchSize); if (batchSize > 1) { // Will only trigger during construction. Batch transferring (minting) is not available afterwards. revert("ERC721Enumerable: consecutive transfers not supported"); } uint256 tokenId = firstTokenId; if (from == address(0)) { _addTokenToAllTokensEnumeration(tokenId); } else if (from != to) { _removeTokenFromOwnerEnumeration(from, tokenId); } if (to == address(0)) { _removeTokenFromAllTokensEnumeration(tokenId); } else if (to != from) { _addTokenToOwnerEnumeration(to, tokenId); } } /** * @dev Private function to add a token to this extension's ownership-tracking data structures. * @param to address representing the new owner of the given token ID * @param tokenId uint256 ID of the token to be added to the tokens list of the given address */ function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private { uint256 length = ERC721.balanceOf(to); _ownedTokens[to][length] = tokenId; _ownedTokensIndex[tokenId] = length; } /** * @dev Private function to add a token to this extension's token tracking data structures. * @param tokenId uint256 ID of the token to be added to the tokens list */ function _addTokenToAllTokensEnumeration(uint256 tokenId) private { _allTokensIndex[tokenId] = _allTokens.length; _allTokens.push(tokenId); } /** * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for * gas optimizations e.g. when performing a transfer operation (avoiding double writes). * This has O(1) time complexity, but alters the order of the _ownedTokens array. * @param from address representing the previous owner of the given token ID * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address */ function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private { // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = ERC721.balanceOf(from) - 1; uint256 tokenIndex = _ownedTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary if (tokenIndex != lastTokenIndex) { uint256 lastTokenId = _ownedTokens[from][lastTokenIndex]; _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index } // This also deletes the contents at the last position of the array delete _ownedTokensIndex[tokenId]; delete _ownedTokens[from][lastTokenIndex]; } /** * @dev Private function to remove a token from this extension's token tracking data structures. * This has O(1) time complexity, but alters the order of the _allTokens array. * @param tokenId uint256 ID of the token to be removed from the tokens list */ function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private { // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = _allTokens.length - 1; uint256 tokenIndex = _allTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding // an 'if' statement (like in _removeTokenFromOwnerEnumeration) uint256 lastTokenId = _allTokens[lastTokenIndex]; _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index // This also deletes the contents at the last position of the array delete _allTokensIndex[tokenId]; _allTokens.pop(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Counters.sol) pragma solidity ^0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number * of elements in a mapping, issuing ERC721 ids, or counting request ids. * * Include with `using Counters for Counters.Counter;` */ library Counters { struct Counter { // This variable should never be directly accessed by users of the library: interactions must be restricted to // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add // this feature: see https://github.com/ethereum/solidity/issues/4637 uint256 _value; // default: 0 } function current(Counter storage counter) internal view returns (uint256) { return counter._value; } function increment(Counter storage counter) internal { unchecked { counter._value += 1; } } function decrement(Counter storage counter) internal { uint256 value = counter._value; require(value > 0, "Counter: decrement overflow"); unchecked { counter._value = value - 1; } } function reset(Counter storage counter) internal { counter._value = 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/MerkleProof.sol) pragma solidity ^0.8.0; /** * @dev These functions deal with verification of Merkle Tree proofs. * * The tree and the proofs can be generated using our * https://github.com/OpenZeppelin/merkle-tree[JavaScript library]. * You will find a quickstart guide in the readme. * * WARNING: You should avoid using leaf values that are 64 bytes long prior to * hashing, or use a hash function other than keccak256 for hashing leaves. * This is because the concatenation of a sorted pair of internal nodes in * the merkle tree could be reinterpreted as a leaf value. * OpenZeppelin's JavaScript library generates merkle trees that are safe * against this attack out of the box. */ library MerkleProof { /** * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree * defined by `root`. For this, a `proof` must be provided, containing * sibling hashes on the branch from the leaf to the root of the tree. Each * pair of leaves and each pair of pre-images are assumed to be sorted. */ function verify( bytes32[] memory proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProof(proof, leaf) == root; } /** * @dev Calldata version of {verify} * * _Available since v4.7._ */ function verifyCalldata( bytes32[] calldata proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProofCalldata(proof, leaf) == root; } /** * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt * hash matches the root of the tree. When processing the proof, the pairs * of leafs & pre-images are assumed to be sorted. * * _Available since v4.4._ */ function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Calldata version of {processProof} * * _Available since v4.7._ */ function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}. * * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details. * * _Available since v4.7._ */ function multiProofVerify( bytes32[] memory proof, bool[] memory proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProof(proof, proofFlags, leaves) == root; } /** * @dev Calldata version of {multiProofVerify} * * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details. * * _Available since v4.7._ */ function multiProofVerifyCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProofCalldata(proof, proofFlags, leaves) == root; } /** * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false * respectively. * * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer). * * _Available since v4.7._ */ function processMultiProof( bytes32[] memory proof, bool[] memory proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Calldata version of {processMultiProof}. * * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details. * * _Available since v4.7._ */ function processMultiProofCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) { return a < b ? _efficientHash(a, b) : _efficientHash(b, a); } function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) { /// @solidity memory-safe-assembly assembly { mstore(0x00, a) mstore(0x20, b) value := keccak256(0x00, 0x40) } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.14; // ============================================= // _ _ _ _ _ ___ ___ ___ ___ _ ___ // | \_/ || || \| ||_ _|| __|| __|| o ) | | __| // | \_/ || || \\ | | | | _| | _| | o \ |_ | _| // |_| |_||_||_|\_| |_| |___||___||___/___||___| // // Website: https://minteeble.com // // ============================================= import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; abstract contract MinteeblePartialERC721 is Ownable { uint256 public maxSupply; uint256 public mintPrice; string public baseUri = ""; string public uriSuffix = ".json"; string public preRevealUri = ""; bool public revealed = false; bool public paused = true; uint256 public maxMintAmountPerTrx = 8; uint256 public maxMintAmountPerAddress = 1509; mapping(address => uint256) public totalMintedByAddress; /** * @dev Checks if caller provided enough funds for minting */ modifier enoughFunds(uint256 _mintAmount) { require(msg.value >= _mintAmount * mintPrice, "Insufficient funds!"); _; } modifier active() { require(!paused, "Contract is paused."); _; } /** * @notice Sets new base URI * @param _baseUri New base URI to be set */ function setBaseUri(string memory _baseUri) public onlyOwner { baseUri = _baseUri; } /** * @notice Sets new URI suffix * @param _uriSuffix New URI suffix to be set */ function setUriSuffix(string memory _uriSuffix) public onlyOwner { uriSuffix = _uriSuffix; } /** * @notice Reveals (or unreveals) the collection * @param _revealed New revealed value to be set. True if revealed, false otherwise */ function setRevealed(bool _revealed) public onlyOwner { revealed = _revealed; } /** * @notice Change paused state * @param _paused Paused state */ function setPaused(bool _paused) public onlyOwner { paused = _paused; } /** * @notice Sets new pre-reveal URI * @param _preRevealUri New pre-reveal URI to be used */ function setPreRevealUri(string memory _preRevealUri) public onlyOwner { preRevealUri = _preRevealUri; } /** * @notice Allows owner to set a new mint price * @param _mintPrice New mint price to be set */ function setMintPrice(uint256 _mintPrice) public onlyOwner { mintPrice = _mintPrice; } /** * @notice Allows owner to set the max number of mintable items in a single transaction * @param _maxAmount Max amount */ function setMaxMintAmountPerTrx(uint256 _maxAmount) public onlyOwner { maxMintAmountPerTrx = _maxAmount; } /** * @notice Allows owner to set the max number of items mintable per wallet * @param _maxAmount Max amount */ function setMaxMintAmountPerAddress(uint256 _maxAmount) public onlyOwner { maxMintAmountPerAddress = _maxAmount; } /** * @notice Withdraws contract balance to onwer account */ function withdrawBalance() public onlyOwner { (bool success, ) = payable(owner()).call{value: address(this).balance}( "" ); require(success); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { _nonReentrantBefore(); _; _nonReentrantAfter(); } function _nonReentrantBefore() private { // On the first call to nonReentrant, _status will be _NOT_ENTERED require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; } function _nonReentrantAfter() private { // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.3 // 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(); // ============================================================= // 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 v4.8.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; import "./IERC721.sol"; import "./IERC721Receiver.sol"; import "./extensions/IERC721Metadata.sol"; import "../../utils/Address.sol"; import "../../utils/Context.sol"; import "../../utils/Strings.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: address zero is not a valid owner"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _ownerOf(tokenId); require(owner != address(0), "ERC721: invalid token ID"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { _requireMinted(tokenId); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not token owner or approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { _requireMinted(tokenId); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved"); _safeTransfer(from, to, tokenId, data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist */ function _ownerOf(uint256 tokenId) internal view virtual returns (address) { return _owners[tokenId]; } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _ownerOf(tokenId) != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { address owner = ERC721.ownerOf(tokenId); return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId, 1); // Check that tokenId was not minted by `_beforeTokenTransfer` hook require(!_exists(tokenId), "ERC721: token already minted"); unchecked { // Will not overflow unless all 2**256 token ids are minted to the same owner. // Given that tokens are minted one by one, it is impossible in practice that // this ever happens. Might change if we allow batch minting. // The ERC fails to describe this case. _balances[to] += 1; } _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId, 1); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * This is an internal function that does not check if the sender is authorized to operate on the token. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId, 1); // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook owner = ERC721.ownerOf(tokenId); // Clear approvals delete _tokenApprovals[tokenId]; unchecked { // Cannot overflow, as that would require more tokens to be burned/transferred // out than the owner initially received through minting and transferring in. _balances[owner] -= 1; } delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId, 1); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId, 1); // Check that tokenId was not transferred by `_beforeTokenTransfer` hook require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); // Clear approvals from the previous owner delete _tokenApprovals[tokenId]; unchecked { // `_balances[from]` cannot overflow for the same reason as described in `_burn`: // `from`'s balance is the number of token held, which is at least one before the current // transfer. // `_balances[to]` could overflow in the conditions described in `_mint`. That would require // all 2**256 token ids to be minted, which in practice is impossible. _balances[from] -= 1; _balances[to] += 1; } _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId, 1); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits an {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Reverts if the `tokenId` has not been minted yet. */ function _requireMinted(uint256 tokenId) internal view virtual { require(_exists(tokenId), "ERC721: invalid token ID"); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`. * - When `from` is zero, the tokens will be minted for `to`. * - When `to` is zero, ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * - `batchSize` is non-zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256, /* firstTokenId */ uint256 batchSize ) internal virtual { if (batchSize > 1) { if (from != address(0)) { _balances[from] -= batchSize; } if (to != address(0)) { _balances[to] += batchSize; } } } /** * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`. * - When `from` is zero, the tokens were minted for `to`. * - When `to` is zero, ``from``'s tokens were burned. * - `from` and `to` are never both zero. * - `batchSize` is non-zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 firstTokenId, uint256 batchSize ) internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Enumerable is IERC721 { /** * @dev Returns the total amount of tokens stored by the contract. */ function totalSupply() external view returns (uint256); /** * @dev Returns a token ID owned by `owner` at a given `index` of its token list. * Use along with {balanceOf} to enumerate all of ``owner``'s tokens. */ function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256); /** * @dev Returns a token ID at a given `index` of all the tokens stored by the contract. * Use along with {totalSupply} to enumerate all tokens. */ function tokenByIndex(uint256 index) external view returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv( uint256 x, uint256 y, uint256 denominator ) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv( uint256 x, uint256 y, uint256 denominator, Rounding rounding ) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10**64) { value /= 10**64; result += 64; } if (value >= 10**32) { value /= 10**32; result += 32; } if (value >= 10**16) { value /= 10**16; result += 16; } if (value >= 10**8) { value /= 10**8; result += 8; } if (value >= 10**4) { value /= 10**4; result += 4; } if (value >= 10**2) { value /= 10**2; result += 2; } if (value >= 10**1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0); } } }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"string","name":"_tokenName","type":"string"},{"internalType":"string","name":"_tokenSymbol","type":"string"},{"internalType":"uint256","name":"_maxSupply","type":"uint256"},{"internalType":"uint256","name":"_mintPrice","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"OperatorNotAllowed","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","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":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"OPERATOR_FILTER_REGISTRY","outputs":[{"internalType":"contract IOperatorFilterRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","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":[{"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":"maxMintAmountPerAddress","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxMintAmountPerTrx","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxWhitelistMintAmountPerTrx","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"merkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"_mintAmount","type":"uint256"}],"name":"mintForAddress","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"mintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"},{"internalType":"address","name":"_receiver","type":"address"}],"name":"ownerMintForAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"preRevealUri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"revealed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"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":"uint256","name":"_maxAmount","type":"uint256"}],"name":"setMaxMintAmountPerAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxAmount","type":"uint256"}],"name":"setMaxMintAmountPerTrx","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"}],"name":"setMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintPrice","type":"uint256"}],"name":"setMintPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_paused","type":"bool"}],"name":"setPaused","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_preRevealUri","type":"string"}],"name":"setPreRevealUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_revealed","type":"bool"}],"name":"setRevealed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uriSuffix","type":"string"}],"name":"setUriSuffix","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxAmount","type":"uint256"}],"name":"setWhitelistMaxMintAmountPerTrx","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setWhitelistMintEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"totalMintedByAddress","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uriSuffix","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"walletOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"},{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"}],"name":"whitelistMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"whitelistMintEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdrawBalance","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)
000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000005e50000000000000000000000000000000000000000000000000058d15e17628000000000000000000000000000000000000000000000000000000000000000000d56616e64616c7320556e696f6e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000025655000000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : _tokenName (string): Vandals Union
Arg [1] : _tokenSymbol (string): VU
Arg [2] : _maxSupply (uint256): 1509
Arg [3] : _mintPrice (uint256): 25000000000000000
-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [2] : 00000000000000000000000000000000000000000000000000000000000005e5
Arg [3] : 0000000000000000000000000000000000000000000000000058d15e17628000
Arg [4] : 000000000000000000000000000000000000000000000000000000000000000d
Arg [5] : 56616e64616c7320556e696f6e00000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000002
Arg [7] : 5655000000000000000000000000000000000000000000000000000000000000
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.