ERC-721
Overview
Max Total Supply
555 OK
Holders
244
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 OKLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
OrdinalKids
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.14; import "erc721a/contracts/ERC721A.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; contract OrdinalKids is ERC721A, Ownable { using Strings for uint256; uint256 public MAX_SUPPLY = 555; uint256 public SALE_PRICE = .003 ether; uint256 public MAX_MINT = 5; bool public mintStarted = false; string public baseURI = "ipfs://QmSXEqpdBdAethasV6QQfs9Z9pkKqJDUXV3PRyB2Mqj7ui/"; constructor() ERC721A("Ordinal Kids", "OK") {} function mint(uint256 amount) external payable { require(mintStarted, "Mint paused."); require((totalSupply() + amount) <= MAX_SUPPLY, "Max supply exceeded."); require(amount <= MAX_MINT, "Max mint exceeded."); require(msg.value >= (SALE_PRICE * amount), "Wrong mint price."); _safeMint(msg.sender, amount); } function ownerMint(address receiver, uint256 mintAmount) external onlyOwner { _safeMint(receiver, mintAmount); } function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require( _exists(tokenId), "ERC721Metadata: URI query for nonexistent token" ); return string(abi.encodePacked(baseURI, tokenId.toString(), ".json")); } function _baseURI() internal view virtual override returns (string memory) { return baseURI; } function _startTokenId() internal view virtual override returns (uint256) { return 1; } function setBaseURI(string memory uri) public onlyOwner { baseURI = uri; } function startSale() external onlyOwner { mintStarted = !mintStarted; } function setSupply(uint256 newSupply) external onlyOwner { MAX_SUPPLY = newSupply; } function setPrice(uint256 _newPrice) external onlyOwner { SALE_PRICE = _newPrice; } function withdraw() external onlyOwner { (bool success, ) = payable(msg.sender).call{ value: address(this).balance }(""); require(success, "Transfer failed."); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.3 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721A.sol'; /** * @dev Interface of ERC721 token receiver. */ interface ERC721A__IERC721Receiver { function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } /** * @title ERC721A * * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721) * Non-Fungible Token Standard, including the Metadata extension. * Optimized for lower gas during batch mints. * * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...) * starting from `_startTokenId()`. * * Assumptions: * * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply. * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256). */ contract ERC721A is IERC721A { // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364). struct TokenApprovalRef { address value; } // ============================================================= // CONSTANTS // ============================================================= // Mask of an entry in packed address data. uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1; // The bit position of `numberMinted` in packed address data. uint256 private constant _BITPOS_NUMBER_MINTED = 64; // The bit position of `numberBurned` in packed address data. uint256 private constant _BITPOS_NUMBER_BURNED = 128; // The bit position of `aux` in packed address data. uint256 private constant _BITPOS_AUX = 192; // Mask of all 256 bits in packed address data except the 64 bits for `aux`. uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1; // The bit position of `startTimestamp` in packed ownership. uint256 private constant _BITPOS_START_TIMESTAMP = 160; // The bit mask of the `burned` bit in packed ownership. uint256 private constant _BITMASK_BURNED = 1 << 224; // The bit position of the `nextInitialized` bit in packed ownership. uint256 private constant _BITPOS_NEXT_INITIALIZED = 225; // The bit mask of the `nextInitialized` bit in packed ownership. uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225; // The bit position of `extraData` in packed ownership. uint256 private constant _BITPOS_EXTRA_DATA = 232; // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`. uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1; // The mask of the lower 160 bits for addresses. uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1; // The maximum `quantity` that can be minted with {_mintERC2309}. // This limit is to prevent overflows on the address data entries. // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309} // is required to cause an overflow, which is unrealistic. uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000; // The `Transfer` event signature is given by: // `keccak256(bytes("Transfer(address,address,uint256)"))`. bytes32 private constant _TRANSFER_EVENT_SIGNATURE = 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef; // ============================================================= // STORAGE // ============================================================= // The next token ID to be minted. uint256 private _currentIndex; // The number of tokens burned. uint256 private _burnCounter; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to ownership details // An empty struct value does not necessarily mean the token is unowned. // See {_packedOwnershipOf} implementation for details. // // Bits Layout: // - [0..159] `addr` // - [160..223] `startTimestamp` // - [224] `burned` // - [225] `nextInitialized` // - [232..255] `extraData` mapping(uint256 => uint256) private _packedOwnerships; // Mapping owner address to address data. // // Bits Layout: // - [0..63] `balance` // - [64..127] `numberMinted` // - [128..191] `numberBurned` // - [192..255] `aux` mapping(address => uint256) private _packedAddressData; // Mapping from token ID to approved address. mapping(uint256 => TokenApprovalRef) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID. * To change the starting token ID, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return _currentIndex; } /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() public view virtual override returns (uint256) { // Counter underflow is impossible as _burnCounter cannot be incremented // more than `_currentIndex - _startTokenId()` times. unchecked { return _currentIndex - _burnCounter - _startTokenId(); } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { return _currentIndex - _startTokenId(); } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } // ============================================================= // ADDRESS DATA OPERATIONS // ============================================================= /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) public view virtual override returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { return uint64(_packedAddressData[owner] >> _BITPOS_AUX); } /** * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal virtual { uint256 packed = _packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); _packedAddressData[owner] = packed; } // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { // The interface IDs are constants representing the first 4 bytes // of the XOR of all function selectors in the interface. // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165) // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`) return interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165. interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721. interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata. } // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : ''; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, it can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } // ============================================================= // OWNERSHIPS OPERATIONS // ============================================================= /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { return address(uint160(_packedOwnershipOf(tokenId))); } /** * @dev Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around over time. */ function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnershipOf(tokenId)); } /** * @dev Returns the unpacked `TokenOwnership` struct at `index`. */ function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnerships[index]); } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (_packedOwnerships[index] == 0) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) { uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr) if (curr < _currentIndex) { uint256 packed = _packedOwnerships[curr]; // If not burned. if (packed & _BITMASK_BURNED == 0) { // Invariant: // There will always be an initialized ownership slot // (i.e. `ownership.addr != address(0) && ownership.burned == false`) // before an unintialized ownership slot // (i.e. `ownership.addr == address(0) && ownership.burned == false`) // Hence, `curr` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. while (packed == 0) { packed = _packedOwnerships[--curr]; } return packed; } } } revert OwnerQueryForNonexistentToken(); } /** * @dev Returns the unpacked `TokenOwnership` struct from `packed`. */ function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) { ownership.addr = address(uint160(packed)); ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP); ownership.burned = packed & _BITMASK_BURNED != 0; ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA); } /** * @dev Packs ownership data into a single uint256. */ function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`. result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags)) } } /** * @dev Returns the `nextInitialized` flag set if `quantity` equals 1. */ function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) { // For branchless setting of the `nextInitialized` flag. assembly { // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`. result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1)) } } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) public payable virtual override { address owner = ownerOf(tokenId); if (_msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { revert ApprovalCallerNotOwnerNorApproved(); } _tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return _tokenApprovals[tokenId].value; } /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) public virtual override { _operatorApprovals[_msgSenderERC721A()][operator] = approved; emit ApprovalForAll(_msgSenderERC721A(), operator, approved); } /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted. See {_mint}. */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _startTokenId() <= tokenId && tokenId < _currentIndex && // If within bounds, _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned. } /** * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`. */ function _isSenderApprovedOrOwner( address approvedAddress, address owner, address msgSender ) private pure returns (bool result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean. msgSender := and(msgSender, _BITMASK_ADDRESS) // `msgSender == owner || msgSender == approvedAddress`. result := or(eq(msgSender, owner), eq(msgSender, approvedAddress)) } } /** * @dev Returns the storage slot and value for the approved address of `tokenId`. */ function _getApprovedSlotAndAddress(uint256 tokenId) private view returns (uint256 approvedAddressSlot, address approvedAddress) { TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId]; // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`. assembly { approvedAddressSlot := tokenApproval.slot approvedAddress := sload(approvedAddressSlot) } } // ============================================================= // TRANSFER OPERATIONS // ============================================================= /** * @dev Transfers `tokenId` from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) public payable virtual override { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner(); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); if (to == address(0)) revert TransferToZeroAddress(); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // We can directly increment and decrement the balances. --_packedAddressData[from]; // Updates: `balance -= 1`. ++_packedAddressData[to]; // Updates: `balance += 1`. // Updates: // - `address` to the next owner. // - `startTimestamp` to the timestamp of transfering. // - `burned` to `false`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( to, _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public payable virtual override { safeTransferFrom(from, to, tokenId, ''); } /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public payable virtual override { transferFrom(from, to, tokenId); if (to.code.length != 0) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } /** * @dev Hook that is called before a set of serially-ordered token IDs * are about to be transferred. This includes minting. * And also called before burning one token. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token IDs * have been transferred. This includes minting. * And also called after one token has been burned. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been * transferred to `to`. * - When `from` is zero, `tokenId` has been minted for `to`. * - When `to` is zero, `tokenId` has been burned by `from`. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * `from` - Previous owner of the given token ID. * `to` - Target address that will receive the token. * `tokenId` - Token ID to be transferred. * `_data` - Optional data to send along with the call. * * Returns whether the call correctly returned the expected magic value. */ function _checkContractOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns ( bytes4 retval ) { return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert TransferToNonERC721ReceiverImplementer(); } else { assembly { revert(add(32, reason), mload(reason)) } } } } // ============================================================= // MINT OPERATIONS // ============================================================= /** * @dev Mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {Transfer} event for each mint. */ function _mint(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (quantity == 0) revert MintZeroQuantity(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are incredibly unrealistic. // `balance` and `numberMinted` have a maximum limit of 2**64. // `tokenId` has a maximum limit of 2**256. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); uint256 toMasked; uint256 end = startTokenId + quantity; // Use assembly to loop and emit the `Transfer` event for gas savings. // The duplicated `log4` removes an extra check and reduces stack juggling. // The assembly, together with the surrounding Solidity code, have been // delicately arranged to nudge the compiler into producing optimized opcodes. assembly { // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. toMasked := and(to, _BITMASK_ADDRESS) // Emit the `Transfer` event. log4( 0, // Start of data (0, since no data). 0, // End of data (0, since no data). _TRANSFER_EVENT_SIGNATURE, // Signature. 0, // `address(0)`. toMasked, // `to`. startTokenId // `tokenId`. ) // The `iszero(eq(,))` check ensures that large values of `quantity` // that overflows uint256 will make the loop run out of gas. // The compiler will optimize the `iszero` away for performance. for { let tokenId := add(startTokenId, 1) } iszero(eq(tokenId, end)) { tokenId := add(tokenId, 1) } { // Emit the `Transfer` event. Similar to above. log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId) } } if (toMasked == 0) revert MintToZeroAddress(); _currentIndex = end; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Mints `quantity` tokens and transfers them to `to`. * * This function is intended for efficient minting only during contract creation. * * It emits only one {ConsecutiveTransfer} as defined in * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309), * instead of a sequence of {Transfer} event(s). * * Calling this function outside of contract creation WILL make your contract * non-compliant with the ERC721 standard. * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309 * {ConsecutiveTransfer} event is only permissible during contract creation. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {ConsecutiveTransfer} event. */ function _mintERC2309(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are unrealistic due to the above check for `quantity` to be below the limit. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to); _currentIndex = startTokenId + quantity; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * See {_mint}. * * Emits a {Transfer} event for each mint. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal virtual { _mint(to, quantity); unchecked { if (to.code.length != 0) { uint256 end = _currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (index < end); // Reentrancy protection. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } // ============================================================= // BURN OPERATIONS // ============================================================= /** * @dev Equivalent to `_burn(tokenId, false)`. */ function _burn(uint256 tokenId) internal virtual { _burn(tokenId, false); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId, bool approvalCheck) internal virtual { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); address from = address(uint160(prevOwnershipPacked)); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); if (approvalCheck) { // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); } _beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // Updates: // - `balance -= 1`. // - `numberBurned += 1`. // // We can directly decrement the balance, and increment the number burned. // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`. _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1; // Updates: // - `address` to the last owner. // - `startTimestamp` to the timestamp of burning. // - `burned` to `true`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( from, (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times. unchecked { _burnCounter++; } } // ============================================================= // EXTRA DATA OPERATIONS // ============================================================= /** * @dev Directly sets the extra data for the ownership data `index`. */ function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual { uint256 packed = _packedOwnerships[index]; if (packed == 0) revert OwnershipNotInitializedForExtraData(); uint256 extraDataCasted; // Cast `extraData` with assembly to avoid redundant masking. assembly { extraDataCasted := extraData } packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA); _packedOwnerships[index] = packed; } /** * @dev Called during each token transfer to set the 24bit `extraData` field. * Intended to be overridden by the cosumer contract. * * `previousExtraData` - the value of `extraData` before transfer. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _extraData( address from, address to, uint24 previousExtraData ) internal view virtual returns (uint24) {} /** * @dev Returns the next extra data for the packed ownership data. * The returned result is shifted into position. */ function _nextExtraData( address from, address to, uint256 prevOwnershipPacked ) private view returns (uint256) { uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA); return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA; } // ============================================================= // OTHER OPERATIONS // ============================================================= /** * @dev Returns the message sender (defaults to `msg.sender`). * * If you are writing GSN compatible contracts, you need to override this function. */ function _msgSenderERC721A() internal view virtual returns (address) { return msg.sender; } /** * @dev Converts a uint256 to its ASCII string decimal representation. */ function _toString(uint256 value) internal pure virtual returns (string memory str) { assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), but // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned. // We will need 1 word for the trailing zeros padding, 1 word for the length, // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0. let m := add(mload(0x40), 0xa0) // Update the free memory pointer to allocate. mstore(0x40, m) // Assign the `str` to the end. str := sub(m, 0x20) // Zeroize the slot after the string. mstore(str, 0) // Cache the end of the memory to calculate the length later. let end := str // We write the string from rightmost digit to leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // prettier-ignore for { let temp := value } 1 {} { str := sub(str, 1) // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(str, add(48, mod(temp, 10))) // Keep dividing `temp` until zero. temp := div(temp, 10) // prettier-ignore if iszero(temp) { break } } let length := sub(end, str) // Move the pointer 32 bytes leftwards to make room for the length. str := sub(str, 0x20) // Store the length. mstore(str, length) } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.3 // Creator: Chiru Labs pragma solidity ^0.8.4; /** * @dev Interface of ERC721A. */ interface IERC721A { /** * The caller must own the token or be an approved operator. */ error ApprovalCallerNotOwnerNorApproved(); /** * The token does not exist. */ error ApprovalQueryForNonexistentToken(); /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The token does not exist. */ error OwnerQueryForNonexistentToken(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * The token must be owned by `from`. */ error TransferFromIncorrectOwner(); /** * Cannot safely transfer to a contract that does not implement the * ERC721Receiver interface. */ error TransferToNonERC721ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * The token does not exist. */ error URIQueryForNonexistentToken(); /** * The `quantity` minted with ERC2309 exceeds the safety limit. */ error MintERC2309QuantityExceedsLimit(); /** * The `extraData` cannot be set on an unintialized ownership slot. */ error OwnershipNotInitializedForExtraData(); // ============================================================= // STRUCTS // ============================================================= struct TokenOwnership { // The address of the owner. address addr; // Stores the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}. uint24 extraData; } // ============================================================= // TOKEN COUNTERS // ============================================================= /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() external view returns (uint256); // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); // ============================================================= // IERC721 // ============================================================= /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables * (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, * checking first that contract recipients are aware of the ERC721 protocol * to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move * this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external payable; /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external payable; /** * @dev Transfers `tokenId` from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} * whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external payable; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external payable; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) external view returns (bool); // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); // ============================================================= // IERC2309 // ============================================================= /** * @dev Emitted when tokens in `fromTokenId` to `toTokenId` * (inclusive) is transferred from `from` to `to`, as defined in the * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard. * * See {_mintERC2309} for more details. */ event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv( uint256 x, uint256 y, uint256 denominator ) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv( uint256 x, uint256 y, uint256 denominator, Rounding rounding ) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10**64) { value /= 10**64; result += 64; } if (value >= 10**32) { value /= 10**32; result += 32; } if (value >= 10**16) { value /= 10**16; result += 16; } if (value >= 10**8) { value /= 10**8; result += 8; } if (value >= 10**4) { value /= 10**4; result += 4; } if (value >= 10**2) { value /= 10**2; result += 2; } if (value >= 10**1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0); } } }
// 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; } }
{ "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
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":"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":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"MAX_MINT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SALE_PRICE","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":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"mintStarted","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":"receiver","type":"address"},{"internalType":"uint256","name":"mintAmount","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":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"uri","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newPrice","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newSupply","type":"uint256"}],"name":"setSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startSale","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":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","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.