ERC-721
NFT
Overview
Max Total Supply
300 WASTE
Holders
182
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 WASTELoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
WasteStinNYC
Compiler Version
v0.8.9+commit.e5eed63a
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; /// @title: WasteStinNYC /// @author: HayattiQ (NFTBoil) import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Pausable.sol"; import "@openzeppelin/contracts/token/common/ERC2981.sol"; import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol"; import "erc721a/contracts/ERC721A.sol"; contract WasteStinNYC is ERC721A, ERC2981 , Ownable, Pausable { using Strings for uint256; string public baseURI = "ar://dFXEk_-aFdHHuP4HGbuBM7u1jhZYesTAFTFeikuj_KA/"; uint256 public preCost = 0.185 ether; uint256 public publicCost = 0.25 ether; bool public presale = true; bool public mintable = true; address public royaltyAddress = 0xeC2C16A4aBD441ef48e1b48D644330302F010923; uint96 public royaltyFee = 750; uint256 constant public MAX_SUPPLY = 300; uint256 constant public PUBLIC_MAX_PER_TX = 2; string public constant BASE_EXTENSION = '.json'; bytes32 public merkleRoot; mapping(address => uint256) private whiteListClaimed; constructor() ERC721A("WasteStinNYC", "WASTE") { _setDefaultRoyalty(royaltyAddress, royaltyFee); _mintERC2309(0xf181a3D60AFaB49d93e3f701862C22946F238434, 10); _mintERC2309(0xEE26F31b5E27aE18205dBE7f4023f4759933331E , 34); for (uint256 i; i < 4; ++i) { _initializeOwnershipAt(i * 10); } } modifier whenMintable() { require(mintable == true, "Mintable: paused"); _; } /** * @dev The modifier allowing the function access only for real humans. */ modifier callerIsUser() { require(tx.origin == msg.sender, "The caller is another contract"); _; } function _baseURI() internal view override returns (string memory) { return baseURI; } function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { return string(abi.encodePacked(ERC721A.tokenURI(tokenId), BASE_EXTENSION)); } function publicMint(uint256 _mintAmount) public payable whenMintable whenNotPaused callerIsUser { uint256 cost = publicCost * _mintAmount; require(_mintAmount > 0, "Mint amount cannot be zero"); require( totalSupply() + _mintAmount <= MAX_SUPPLY, "MAXSUPPLY over" ); require(msg.value >= cost, "Not enough funds"); require(!presale, "Presale is active."); require( _mintAmount <= PUBLIC_MAX_PER_TX, "Mint amount over" ); _mint(msg.sender, _mintAmount); } function preMint(uint256 _mintAmount,uint256 _presaleMax,bytes32[] calldata _merkleProof) public payable whenNotPaused whenMintable { uint256 cost = preCost * _mintAmount; require(presale, "Presale is not active."); require(_mintAmount > 0, "Mint amount cannot be zero"); require( totalSupply() + _mintAmount <= MAX_SUPPLY, "MAXSUPPLY over" ); require(msg.value >= cost, "Not enough funds"); bytes32 leaf = keccak256(abi.encodePacked(msg.sender, _presaleMax)); require( MerkleProof.verify(_merkleProof, merkleRoot, leaf), "Invalid Merkle Proof" ); require( whiteListClaimed[msg.sender] + _mintAmount <= _presaleMax, "Already claimed max" ); _mint(msg.sender, _mintAmount); whiteListClaimed[msg.sender] += _mintAmount ; } function ownerMint(address _address, uint256 count) public onlyOwner { _mint(_address, count); } function setPresale(bool _state) public onlyOwner { presale = _state; } function setMintable(bool _state) public onlyOwner { mintable = _state; } function setPreCost(uint256 _preCost) public onlyOwner { preCost = _preCost; } function setPublicCost(uint256 _publicCost) public onlyOwner { publicCost = _publicCost; } function getCurrentCost() public view returns (uint256) { if (presale) { return preCost; } else { return publicCost; } } function setBaseURI(string memory _newBaseURI) public onlyOwner { baseURI = _newBaseURI; } function pause() public onlyOwner { _pause(); } function unpause() public onlyOwner { _unpause(); } function withdraw() external onlyOwner { Address.sendValue(payable(0x6528575C6D73FD6D349597e5B767CDDb85a0Ae32), address(this).balance); } /** * @notice Set the merkle root for the allow list mint */ function setMerkleRoot(bytes32 _merkleRoot) external onlyOwner { merkleRoot = _merkleRoot; } /** * @notice Change the royalty fee for the collection */ function setRoyaltyFee(uint96 _feeNumerator) external onlyOwner { royaltyFee = _feeNumerator; _setDefaultRoyalty(royaltyAddress, royaltyFee); } /** * @notice Change the royalty address where royalty payouts are sent */ function setRoyaltyAddress(address _royaltyAddress) external onlyOwner { royaltyAddress = _royaltyAddress; _setDefaultRoyalty(royaltyAddress, royaltyFee); } function supportsInterface( bytes4 interfaceId ) public view virtual override(ERC721A, ERC2981) returns (bool) { // Supports the following `interfaceId`s: // - IERC165: 0x01ffc9a7 // - IERC721: 0x80ac58cd // - IERC721Metadata: 0x5b5e139f // - IERC2981: 0x2a55205a return ERC721A.supportsInterface(interfaceId) || ERC2981.supportsInterface(interfaceId); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (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 Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Pausable.sol) pragma solidity ^0.8.0; import "../ERC721.sol"; import "../../../security/Pausable.sol"; /** * @dev ERC721 token with pausable token transfers, minting and burning. * * Useful for scenarios such as preventing trades until the end of an evaluation * period, or having an emergency switch for freezing all token transfers in the * event of a large bug. */ abstract contract ERC721Pausable is ERC721, Pausable { /** * @dev See {ERC721-_beforeTokenTransfer}. * * Requirements: * * - the contract must not be paused. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override { super._beforeTokenTransfer(from, to, tokenId); require(!paused(), "ERC721Pausable: token transfer while paused"); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/common/ERC2981.sol) pragma solidity ^0.8.0; import "../../interfaces/IERC2981.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information. * * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first. * * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the * fee is specified in basis points by default. * * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported. * * _Available since v4.5._ */ abstract contract ERC2981 is IERC2981, ERC165 { struct RoyaltyInfo { address receiver; uint96 royaltyFraction; } RoyaltyInfo private _defaultRoyaltyInfo; mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) { return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId); } /** * @inheritdoc IERC2981 */ function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) { RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId]; if (royalty.receiver == address(0)) { royalty = _defaultRoyaltyInfo; } uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator(); return (royalty.receiver, royaltyAmount); } /** * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an * override. */ function _feeDenominator() internal pure virtual returns (uint96) { return 10000; } /** * @dev Sets the royalty information that all ids in this contract will default to. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: invalid receiver"); _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Removes default royalty information. */ function _deleteDefaultRoyalty() internal virtual { delete _defaultRoyaltyInfo; } /** * @dev Sets the royalty information for a specific token id, overriding the global default. * * Requirements: * * - `tokenId` must be already minted. * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setTokenRoyalty( uint256 tokenId, address receiver, uint96 feeNumerator ) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: Invalid parameters"); _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Resets royalty information for the token id back to the global default. */ function _resetTokenRoyalty(uint256 tokenId) internal virtual { delete _tokenRoyaltyInfo[tokenId]; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (utils/cryptography/MerkleProof.sol) pragma solidity ^0.8.0; /** * @dev These functions deal with verification of Merkle Trees proofs. * * The proofs can be generated using the JavaScript library * https://github.com/miguelmota/merkletreejs[merkletreejs]. * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled. * * See `test/utils/cryptography/MerkleProof.test.js` for some examples. * * WARNING: You should avoid using leaf values that are 64 bytes long prior to * hashing, or use a hash function other than keccak256 for hashing leaves. * This is because the concatenation of a sorted pair of internal nodes in * the merkle tree could be reinterpreted as a leaf value. */ library MerkleProof { /** * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree * defined by `root`. For this, a `proof` must be provided, containing * sibling hashes on the branch from the leaf to the root of the tree. Each * pair of leaves and each pair of pre-images are assumed to be sorted. */ function verify( bytes32[] memory proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProof(proof, leaf) == root; } /** * @dev 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++) { bytes32 proofElement = proof[i]; if (computedHash <= proofElement) { // Hash(current computed hash + current element of the proof) computedHash = _efficientHash(computedHash, proofElement); } else { // Hash(current element of the proof + current computed hash) computedHash = _efficientHash(proofElement, computedHash); } } return computedHash; } function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) { assembly { mstore(0x00, a) mstore(0x20, b) value := keccak256(0x00, 0x40) } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.0 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721A.sol'; /** * @dev Interface of ERC721 token receiver. */ interface ERC721A__IERC721Receiver { function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } /** * @title ERC721A * * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721) * Non-Fungible Token Standard, including the Metadata extension. * Optimized for lower gas during batch mints. * * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...) * starting from `_startTokenId()`. * * Assumptions: * * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply. * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256). */ contract ERC721A is IERC721A { // Reference type for token approval. struct TokenApprovalRef { address value; } // ============================================================= // CONSTANTS // ============================================================= // Mask of an entry in packed address data. uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1; // The bit position of `numberMinted` in packed address data. uint256 private constant _BITPOS_NUMBER_MINTED = 64; // The bit position of `numberBurned` in packed address data. uint256 private constant _BITPOS_NUMBER_BURNED = 128; // The bit position of `aux` in packed address data. uint256 private constant _BITPOS_AUX = 192; // Mask of all 256 bits in packed address data except the 64 bits for `aux`. uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1; // The bit position of `startTimestamp` in packed ownership. uint256 private constant _BITPOS_START_TIMESTAMP = 160; // The bit mask of the `burned` bit in packed ownership. uint256 private constant _BITMASK_BURNED = 1 << 224; // The bit position of the `nextInitialized` bit in packed ownership. uint256 private constant _BITPOS_NEXT_INITIALIZED = 225; // The bit mask of the `nextInitialized` bit in packed ownership. uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225; // The bit position of `extraData` in packed ownership. uint256 private constant _BITPOS_EXTRA_DATA = 232; // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`. uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1; // The mask of the lower 160 bits for addresses. uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1; // The maximum `quantity` that can be minted with {_mintERC2309}. // This limit is to prevent overflows on the address data entries. // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309} // is required to cause an overflow, which is unrealistic. uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000; // The `Transfer` event signature is given by: // `keccak256(bytes("Transfer(address,address,uint256)"))`. bytes32 private constant _TRANSFER_EVENT_SIGNATURE = 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef; // ============================================================= // STORAGE // ============================================================= // The next token ID to be minted. uint256 private _currentIndex; // The number of tokens burned. uint256 private _burnCounter; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to ownership details // An empty struct value does not necessarily mean the token is unowned. // See {_packedOwnershipOf} implementation for details. // // Bits Layout: // - [0..159] `addr` // - [160..223] `startTimestamp` // - [224] `burned` // - [225] `nextInitialized` // - [232..255] `extraData` mapping(uint256 => uint256) private _packedOwnerships; // Mapping owner address to address data. // // Bits Layout: // - [0..63] `balance` // - [64..127] `numberMinted` // - [128..191] `numberBurned` // - [192..255] `aux` mapping(address => uint256) private _packedAddressData; // Mapping from token ID to approved address. mapping(uint256 => TokenApprovalRef) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID. * To change the starting token ID, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return _currentIndex; } /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() public view virtual override returns (uint256) { // Counter underflow is impossible as _burnCounter cannot be incremented // more than `_currentIndex - _startTokenId()` times. unchecked { return _currentIndex - _burnCounter - _startTokenId(); } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { return _currentIndex - _startTokenId(); } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } // ============================================================= // ADDRESS DATA OPERATIONS // ============================================================= /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) public view virtual override returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { return uint64(_packedAddressData[owner] >> _BITPOS_AUX); } /** * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal virtual { uint256 packed = _packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); _packedAddressData[owner] = packed; } // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { // The interface IDs are constants representing the first 4 bytes // of the XOR of all function selectors in the interface. // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165) // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`) return interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165. interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721. interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata. } // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : ''; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, it can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } // ============================================================= // OWNERSHIPS OPERATIONS // ============================================================= /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { return address(uint160(_packedOwnershipOf(tokenId))); } /** * @dev Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around over time. */ function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnershipOf(tokenId)); } /** * @dev Returns the unpacked `TokenOwnership` struct at `index`. */ function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnerships[index]); } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (_packedOwnerships[index] == 0) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) { uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr) if (curr < _currentIndex) { uint256 packed = _packedOwnerships[curr]; // If not burned. if (packed & _BITMASK_BURNED == 0) { // Invariant: // There will always be an initialized ownership slot // (i.e. `ownership.addr != address(0) && ownership.burned == false`) // before an unintialized ownership slot // (i.e. `ownership.addr == address(0) && ownership.burned == false`) // Hence, `curr` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. while (packed == 0) { packed = _packedOwnerships[--curr]; } return packed; } } } revert OwnerQueryForNonexistentToken(); } /** * @dev Returns the unpacked `TokenOwnership` struct from `packed`. */ function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) { ownership.addr = address(uint160(packed)); ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP); ownership.burned = packed & _BITMASK_BURNED != 0; ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA); } /** * @dev Packs ownership data into a single uint256. */ function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`. result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags)) } } /** * @dev Returns the `nextInitialized` flag set if `quantity` equals 1. */ function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) { // For branchless setting of the `nextInitialized` flag. assembly { // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`. result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1)) } } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ownerOf(tokenId); if (_msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { revert ApprovalCallerNotOwnerNorApproved(); } _tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return _tokenApprovals[tokenId].value; } /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) public virtual override { if (operator == _msgSenderERC721A()) revert ApproveToCaller(); _operatorApprovals[_msgSenderERC721A()][operator] = approved; emit ApprovalForAll(_msgSenderERC721A(), operator, approved); } /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted. See {_mint}. */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _startTokenId() <= tokenId && tokenId < _currentIndex && // If within bounds, _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned. } /** * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`. */ function _isSenderApprovedOrOwner( address approvedAddress, address owner, address msgSender ) private pure returns (bool result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean. msgSender := and(msgSender, _BITMASK_ADDRESS) // `msgSender == owner || msgSender == approvedAddress`. result := or(eq(msgSender, owner), eq(msgSender, approvedAddress)) } } /** * @dev Returns the storage slot and value for the approved address of `tokenId`. */ function _getApprovedSlotAndAddress(uint256 tokenId) private view returns (uint256 approvedAddressSlot, address approvedAddress) { TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId]; // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId]`. assembly { approvedAddressSlot := tokenApproval.slot approvedAddress := sload(approvedAddressSlot) } } // ============================================================= // TRANSFER OPERATIONS // ============================================================= /** * @dev Transfers `tokenId` from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner(); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); if (to == address(0)) revert TransferToZeroAddress(); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // We can directly increment and decrement the balances. --_packedAddressData[from]; // Updates: `balance -= 1`. ++_packedAddressData[to]; // Updates: `balance += 1`. // Updates: // - `address` to the next owner. // - `startTimestamp` to the timestamp of transfering. // - `burned` to `false`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( to, _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ''); } /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { transferFrom(from, to, tokenId); if (to.code.length != 0) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } /** * @dev Hook that is called before a set of serially-ordered token IDs * are about to be transferred. This includes minting. * And also called before burning one token. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token IDs * have been transferred. This includes minting. * And also called after one token has been burned. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been * transferred to `to`. * - When `from` is zero, `tokenId` has been minted for `to`. * - When `to` is zero, `tokenId` has been burned by `from`. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * `from` - Previous owner of the given token ID. * `to` - Target address that will receive the token. * `tokenId` - Token ID to be transferred. * `_data` - Optional data to send along with the call. * * Returns whether the call correctly returned the expected magic value. */ function _checkContractOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns ( bytes4 retval ) { return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert TransferToNonERC721ReceiverImplementer(); } else { assembly { revert(add(32, reason), mload(reason)) } } } } // ============================================================= // MINT OPERATIONS // ============================================================= /** * @dev Mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {Transfer} event for each mint. */ function _mint(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (quantity == 0) revert MintZeroQuantity(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are incredibly unrealistic. // `balance` and `numberMinted` have a maximum limit of 2**64. // `tokenId` has a maximum limit of 2**256. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); uint256 toMasked; uint256 end = startTokenId + quantity; // Use assembly to loop and emit the `Transfer` event for gas savings. assembly { // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. toMasked := and(to, _BITMASK_ADDRESS) // Emit the `Transfer` event. log4( 0, // Start of data (0, since no data). 0, // End of data (0, since no data). _TRANSFER_EVENT_SIGNATURE, // Signature. 0, // `address(0)`. toMasked, // `to`. startTokenId // `tokenId`. ) for { let tokenId := add(startTokenId, 1) } iszero(eq(tokenId, end)) { tokenId := add(tokenId, 1) } { // Emit the `Transfer` event. Similar to above. log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId) } } if (toMasked == 0) revert MintToZeroAddress(); _currentIndex = end; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Mints `quantity` tokens and transfers them to `to`. * * This function is intended for efficient minting only during contract creation. * * It emits only one {ConsecutiveTransfer} as defined in * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309), * instead of a sequence of {Transfer} event(s). * * Calling this function outside of contract creation WILL make your contract * non-compliant with the ERC721 standard. * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309 * {ConsecutiveTransfer} event is only permissible during contract creation. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {ConsecutiveTransfer} event. */ function _mintERC2309(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are unrealistic due to the above check for `quantity` to be below the limit. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to); _currentIndex = startTokenId + quantity; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * See {_mint}. * * Emits a {Transfer} event for each mint. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal virtual { _mint(to, quantity); unchecked { if (to.code.length != 0) { uint256 end = _currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (index < end); // Reentrancy protection. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } // ============================================================= // BURN OPERATIONS // ============================================================= /** * @dev Equivalent to `_burn(tokenId, false)`. */ function _burn(uint256 tokenId) internal virtual { _burn(tokenId, false); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId, bool approvalCheck) internal virtual { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); address from = address(uint160(prevOwnershipPacked)); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); if (approvalCheck) { // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); } _beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // Updates: // - `balance -= 1`. // - `numberBurned += 1`. // // We can directly decrement the balance, and increment the number burned. // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`. _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1; // Updates: // - `address` to the last owner. // - `startTimestamp` to the timestamp of burning. // - `burned` to `true`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( from, (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times. unchecked { _burnCounter++; } } // ============================================================= // EXTRA DATA OPERATIONS // ============================================================= /** * @dev Directly sets the extra data for the ownership data `index`. */ function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual { uint256 packed = _packedOwnerships[index]; if (packed == 0) revert OwnershipNotInitializedForExtraData(); uint256 extraDataCasted; // Cast `extraData` with assembly to avoid redundant masking. assembly { extraDataCasted := extraData } packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA); _packedOwnerships[index] = packed; } /** * @dev Called during each token transfer to set the 24bit `extraData` field. * Intended to be overridden by the cosumer contract. * * `previousExtraData` - the value of `extraData` before transfer. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _extraData( address from, address to, uint24 previousExtraData ) internal view virtual returns (uint24) {} /** * @dev Returns the next extra data for the packed ownership data. * The returned result is shifted into position. */ function _nextExtraData( address from, address to, uint256 prevOwnershipPacked ) private view returns (uint256) { uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA); return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA; } // ============================================================= // OTHER OPERATIONS // ============================================================= /** * @dev Returns the message sender (defaults to `msg.sender`). * * If you are writing GSN compatible contracts, you need to override this function. */ function _msgSenderERC721A() internal view virtual returns (address) { return msg.sender; } /** * @dev Converts a uint256 to its ASCII string decimal representation. */ function _toString(uint256 value) internal pure virtual returns (string memory ptr) { assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), // but we allocate 128 bytes to keep the free memory pointer 32-byte word aliged. // We will need 1 32-byte word to store the length, // and 3 32-byte words to store a maximum of 78 digits. Total: 32 + 3 * 32 = 128. ptr := add(mload(0x40), 128) // Update the free memory pointer to allocate. mstore(0x40, ptr) // Cache the end of the memory to calculate the length later. let end := ptr // We write the string from the rightmost digit to the leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // Costs a bit more than early returning for the zero case, // but cheaper in terms of deployment and overall runtime costs. for { // Initialize and perform the first pass without check. let temp := value // Move the pointer 1 byte leftwards to point to an empty character slot. ptr := sub(ptr, 1) // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(ptr, add(48, mod(temp, 10))) temp := div(temp, 10) } temp { // Keep dividing `temp` until zero. temp := div(temp, 10) } { // Body of the for loop. ptr := sub(ptr, 1) mstore8(ptr, add(48, mod(temp, 10))) } let length := sub(end, ptr) // Move the pointer 32 bytes leftwards to make room for the length. ptr := sub(ptr, 32) // Store the length. mstore(ptr, length) } } }
// 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 v4.6.0) (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: balance query for the zero address"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); 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) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); 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 owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); 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: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {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 a {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 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 { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/Pausable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract Pausable is Context { /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. */ constructor() { _paused = false; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view virtual returns (bool) { return _paused; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { require(!paused(), "Pausable: paused"); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { require(paused(), "Pausable: not paused"); _; } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (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 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 ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (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 v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly 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/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 v4.6.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.0 // Creator: Chiru Labs pragma solidity ^0.8.4; /** * @dev Interface of ERC721A. */ interface IERC721A { /** * The caller must own the token or be an approved operator. */ error ApprovalCallerNotOwnerNorApproved(); /** * The token does not exist. */ error ApprovalQueryForNonexistentToken(); /** * The caller cannot approve to their own address. */ error ApproveToCaller(); /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The token does not exist. */ error OwnerQueryForNonexistentToken(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * The token must be owned by `from`. */ error TransferFromIncorrectOwner(); /** * Cannot safely transfer to a contract that does not implement the * ERC721Receiver interface. */ error TransferToNonERC721ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * The token does not exist. */ error URIQueryForNonexistentToken(); /** * The `quantity` minted with ERC2309 exceeds the safety limit. */ error MintERC2309QuantityExceedsLimit(); /** * The `extraData` cannot be set on an unintialized ownership slot. */ error OwnershipNotInitializedForExtraData(); // ============================================================= // STRUCTS // ============================================================= struct TokenOwnership { // The address of the owner. address addr; // Stores the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}. uint24 extraData; } // ============================================================= // TOKEN COUNTERS // ============================================================= /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() external view returns (uint256); // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); // ============================================================= // IERC721 // ============================================================= /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables * (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, * checking first that contract recipients are aware of the ERC721 protocol * to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move * this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} * whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) external view returns (bool); // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); // ============================================================= // IERC2309 // ============================================================= /** * @dev Emitted when tokens in `fromTokenId` to `toTokenId` * (inclusive) is transferred from `from` to `to`, as defined in the * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard. * * See {_mintERC2309} for more details. */ event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to); }
{ "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":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","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":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","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"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[],"name":"BASE_EXTENSION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PUBLIC_MAX_PER_TX","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"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":[],"name":"getCurrentCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"merkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"},{"internalType":"uint256","name":"count","type":"uint256"}],"name":"ownerMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"preCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"},{"internalType":"uint256","name":"_presaleMax","type":"uint256"},{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"}],"name":"preMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"presale","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"publicCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"}],"name":"publicMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"royaltyAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"royaltyFee","outputs":[{"internalType":"uint96","name":"","type":"uint96"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"}],"name":"setMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setMintable","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_preCost","type":"uint256"}],"name":"setPreCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setPresale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_publicCost","type":"uint256"}],"name":"setPublicCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_royaltyAddress","type":"address"}],"name":"setRoyaltyAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint96","name":"_feeNumerator","type":"uint96"}],"name":"setRoyaltyFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
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.