Feature Tip: Add private address tag to any address under My Name Tag !
ERC-721
Overview
Max Total Supply
18 KEO
Holders
9
Total Transfers
-
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Loading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
KnightErrantOfficial
Compiler Version
v0.8.18+commit.87f61d96
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "erc721a/contracts/ERC721A.sol"; contract KnightErrantOfficial is ERC721A, Ownable { string private baseUri = "ipfs://bafybeiezulpgvzw73vc2pm4t7znyackbey6z7oc53arnkqmcq6d3wpp7jy/"; string private uriSuffix = ".json"; bool private enableMint = false; bool private enableBurn = false; struct SaleConfig { uint32 mintStartTime; uint64 mintPrice; uint32 maxSupply; uint32 preMax; } SaleConfig public saleConfig; constructor() ERC721A("Knight-Errant-Official", "KEO") { saleConfig.mintStartTime = 0; saleConfig.mintPrice = 0; saleConfig.maxSupply = 666; saleConfig.preMax = 2; } function publicMint(uint256 quantity) external payable { require(enableMint, "Can not mint"); _mint(quantity); } function _mint(uint256 count) private { require(totalSupply() + count <= saleConfig.maxSupply, "Exceed maxmiumn"); require(_numberMinted(msg.sender) + count <= saleConfig.preMax, "Can not free mint more"); _safeMint(msg.sender, count); } // override function _baseURI() override internal view virtual returns (string memory) { return baseUri; } // override start token id from 0 to 1 function _startTokenId() override internal view virtual returns (uint256) { return 1; } function airdrop(uint256 quantity, address _receiver) public onlyOwner { _safeMint(_receiver, quantity); } function openMint(bool value) public onlyOwner { enableMint = value; } function setBaseUri(string memory uri) public onlyOwner { baseUri = uri; } function setUriSuffix(string memory _uriSuffix) public onlyOwner { uriSuffix = _uriSuffix; } function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) { require(_exists(_tokenId), "URI query for nonexistent token"); string memory currentBaseURI = _baseURI(); return bytes(currentBaseURI).length > 0 ? string(abi.encodePacked(currentBaseURI, Strings.toString(_tokenId), uriSuffix)) : ""; } function setBurnable(bool _status) external onlyOwner { enableBurn = _status; } function burn(uint256 tokenId) external { require(ownerOf(tokenId) == msg.sender, "Not the owner"); require(enableBurn, "Can not burn"); _burn(tokenId); } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.3 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721A.sol'; /** * @dev Interface of ERC721 token receiver. */ interface ERC721A__IERC721Receiver { function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } /** * @title ERC721A * * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721) * Non-Fungible Token Standard, including the Metadata extension. * Optimized for lower gas during batch mints. * * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...) * starting from `_startTokenId()`. * * Assumptions: * * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply. * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256). */ contract ERC721A is IERC721A { // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364). struct TokenApprovalRef { address value; } // ============================================================= // CONSTANTS // ============================================================= // Mask of an entry in packed address data. uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1; // The bit position of `numberMinted` in packed address data. uint256 private constant _BITPOS_NUMBER_MINTED = 64; // The bit position of `numberBurned` in packed address data. uint256 private constant _BITPOS_NUMBER_BURNED = 128; // The bit position of `aux` in packed address data. uint256 private constant _BITPOS_AUX = 192; // Mask of all 256 bits in packed address data except the 64 bits for `aux`. uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1; // The bit position of `startTimestamp` in packed ownership. uint256 private constant _BITPOS_START_TIMESTAMP = 160; // The bit mask of the `burned` bit in packed ownership. uint256 private constant _BITMASK_BURNED = 1 << 224; // The bit position of the `nextInitialized` bit in packed ownership. uint256 private constant _BITPOS_NEXT_INITIALIZED = 225; // The bit mask of the `nextInitialized` bit in packed ownership. uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225; // The bit position of `extraData` in packed ownership. uint256 private constant _BITPOS_EXTRA_DATA = 232; // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`. uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1; // The mask of the lower 160 bits for addresses. uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1; // The maximum `quantity` that can be minted with {_mintERC2309}. // This limit is to prevent overflows on the address data entries. // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309} // is required to cause an overflow, which is unrealistic. uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000; // The `Transfer` event signature is given by: // `keccak256(bytes("Transfer(address,address,uint256)"))`. bytes32 private constant _TRANSFER_EVENT_SIGNATURE = 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef; // ============================================================= // STORAGE // ============================================================= // The next token ID to be minted. uint256 private _currentIndex; // The number of tokens burned. uint256 private _burnCounter; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to ownership details // An empty struct value does not necessarily mean the token is unowned. // See {_packedOwnershipOf} implementation for details. // // Bits Layout: // - [0..159] `addr` // - [160..223] `startTimestamp` // - [224] `burned` // - [225] `nextInitialized` // - [232..255] `extraData` mapping(uint256 => uint256) private _packedOwnerships; // Mapping owner address to address data. // // Bits Layout: // - [0..63] `balance` // - [64..127] `numberMinted` // - [128..191] `numberBurned` // - [192..255] `aux` mapping(address => uint256) private _packedAddressData; // Mapping from token ID to approved address. mapping(uint256 => TokenApprovalRef) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID. * To change the starting token ID, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return _currentIndex; } /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() public view virtual override returns (uint256) { // Counter underflow is impossible as _burnCounter cannot be incremented // more than `_currentIndex - _startTokenId()` times. unchecked { return _currentIndex - _burnCounter - _startTokenId(); } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { return _currentIndex - _startTokenId(); } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } // ============================================================= // ADDRESS DATA OPERATIONS // ============================================================= /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) public view virtual override returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { return uint64(_packedAddressData[owner] >> _BITPOS_AUX); } /** * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal virtual { uint256 packed = _packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); _packedAddressData[owner] = packed; } // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { // The interface IDs are constants representing the first 4 bytes // of the XOR of all function selectors in the interface. // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165) // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`) return interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165. interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721. interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata. } // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : ''; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, it can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } // ============================================================= // OWNERSHIPS OPERATIONS // ============================================================= /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { return address(uint160(_packedOwnershipOf(tokenId))); } /** * @dev Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around over time. */ function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnershipOf(tokenId)); } /** * @dev Returns the unpacked `TokenOwnership` struct at `index`. */ function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnerships[index]); } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (_packedOwnerships[index] == 0) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) { uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr) if (curr < _currentIndex) { uint256 packed = _packedOwnerships[curr]; // If not burned. if (packed & _BITMASK_BURNED == 0) { // Invariant: // There will always be an initialized ownership slot // (i.e. `ownership.addr != address(0) && ownership.burned == false`) // before an unintialized ownership slot // (i.e. `ownership.addr == address(0) && ownership.burned == false`) // Hence, `curr` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. while (packed == 0) { packed = _packedOwnerships[--curr]; } return packed; } } } revert OwnerQueryForNonexistentToken(); } /** * @dev Returns the unpacked `TokenOwnership` struct from `packed`. */ function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) { ownership.addr = address(uint160(packed)); ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP); ownership.burned = packed & _BITMASK_BURNED != 0; ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA); } /** * @dev Packs ownership data into a single uint256. */ function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`. result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags)) } } /** * @dev Returns the `nextInitialized` flag set if `quantity` equals 1. */ function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) { // For branchless setting of the `nextInitialized` flag. assembly { // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`. result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1)) } } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) public payable virtual override { address owner = ownerOf(tokenId); if (_msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { revert ApprovalCallerNotOwnerNorApproved(); } _tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return _tokenApprovals[tokenId].value; } /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) public virtual override { _operatorApprovals[_msgSenderERC721A()][operator] = approved; emit ApprovalForAll(_msgSenderERC721A(), operator, approved); } /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted. See {_mint}. */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _startTokenId() <= tokenId && tokenId < _currentIndex && // If within bounds, _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned. } /** * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`. */ function _isSenderApprovedOrOwner( address approvedAddress, address owner, address msgSender ) private pure returns (bool result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean. msgSender := and(msgSender, _BITMASK_ADDRESS) // `msgSender == owner || msgSender == approvedAddress`. result := or(eq(msgSender, owner), eq(msgSender, approvedAddress)) } } /** * @dev Returns the storage slot and value for the approved address of `tokenId`. */ function _getApprovedSlotAndAddress(uint256 tokenId) private view returns (uint256 approvedAddressSlot, address approvedAddress) { TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId]; // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`. assembly { approvedAddressSlot := tokenApproval.slot approvedAddress := sload(approvedAddressSlot) } } // ============================================================= // TRANSFER OPERATIONS // ============================================================= /** * @dev Transfers `tokenId` from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) public payable virtual override { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner(); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); if (to == address(0)) revert TransferToZeroAddress(); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // We can directly increment and decrement the balances. --_packedAddressData[from]; // Updates: `balance -= 1`. ++_packedAddressData[to]; // Updates: `balance += 1`. // Updates: // - `address` to the next owner. // - `startTimestamp` to the timestamp of transfering. // - `burned` to `false`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( to, _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public payable virtual override { safeTransferFrom(from, to, tokenId, ''); } /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public payable virtual override { transferFrom(from, to, tokenId); if (to.code.length != 0) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } /** * @dev Hook that is called before a set of serially-ordered token IDs * are about to be transferred. This includes minting. * And also called before burning one token. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token IDs * have been transferred. This includes minting. * And also called after one token has been burned. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been * transferred to `to`. * - When `from` is zero, `tokenId` has been minted for `to`. * - When `to` is zero, `tokenId` has been burned by `from`. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * `from` - Previous owner of the given token ID. * `to` - Target address that will receive the token. * `tokenId` - Token ID to be transferred. * `_data` - Optional data to send along with the call. * * Returns whether the call correctly returned the expected magic value. */ function _checkContractOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns ( bytes4 retval ) { return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert TransferToNonERC721ReceiverImplementer(); } else { assembly { revert(add(32, reason), mload(reason)) } } } } // ============================================================= // MINT OPERATIONS // ============================================================= /** * @dev Mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {Transfer} event for each mint. */ function _mint(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (quantity == 0) revert MintZeroQuantity(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are incredibly unrealistic. // `balance` and `numberMinted` have a maximum limit of 2**64. // `tokenId` has a maximum limit of 2**256. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); uint256 toMasked; uint256 end = startTokenId + quantity; // Use assembly to loop and emit the `Transfer` event for gas savings. // The duplicated `log4` removes an extra check and reduces stack juggling. // The assembly, together with the surrounding Solidity code, have been // delicately arranged to nudge the compiler into producing optimized opcodes. assembly { // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. toMasked := and(to, _BITMASK_ADDRESS) // Emit the `Transfer` event. log4( 0, // Start of data (0, since no data). 0, // End of data (0, since no data). _TRANSFER_EVENT_SIGNATURE, // Signature. 0, // `address(0)`. toMasked, // `to`. startTokenId // `tokenId`. ) // The `iszero(eq(,))` check ensures that large values of `quantity` // that overflows uint256 will make the loop run out of gas. // The compiler will optimize the `iszero` away for performance. for { let tokenId := add(startTokenId, 1) } iszero(eq(tokenId, end)) { tokenId := add(tokenId, 1) } { // Emit the `Transfer` event. Similar to above. log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId) } } if (toMasked == 0) revert MintToZeroAddress(); _currentIndex = end; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Mints `quantity` tokens and transfers them to `to`. * * This function is intended for efficient minting only during contract creation. * * It emits only one {ConsecutiveTransfer} as defined in * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309), * instead of a sequence of {Transfer} event(s). * * Calling this function outside of contract creation WILL make your contract * non-compliant with the ERC721 standard. * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309 * {ConsecutiveTransfer} event is only permissible during contract creation. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {ConsecutiveTransfer} event. */ function _mintERC2309(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are unrealistic due to the above check for `quantity` to be below the limit. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to); _currentIndex = startTokenId + quantity; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * See {_mint}. * * Emits a {Transfer} event for each mint. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal virtual { _mint(to, quantity); unchecked { if (to.code.length != 0) { uint256 end = _currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (index < end); // Reentrancy protection. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } // ============================================================= // BURN OPERATIONS // ============================================================= /** * @dev Equivalent to `_burn(tokenId, false)`. */ function _burn(uint256 tokenId) internal virtual { _burn(tokenId, false); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId, bool approvalCheck) internal virtual { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); address from = address(uint160(prevOwnershipPacked)); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); if (approvalCheck) { // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); } _beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // Updates: // - `balance -= 1`. // - `numberBurned += 1`. // // We can directly decrement the balance, and increment the number burned. // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`. _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1; // Updates: // - `address` to the last owner. // - `startTimestamp` to the timestamp of burning. // - `burned` to `true`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( from, (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times. unchecked { _burnCounter++; } } // ============================================================= // EXTRA DATA OPERATIONS // ============================================================= /** * @dev Directly sets the extra data for the ownership data `index`. */ function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual { uint256 packed = _packedOwnerships[index]; if (packed == 0) revert OwnershipNotInitializedForExtraData(); uint256 extraDataCasted; // Cast `extraData` with assembly to avoid redundant masking. assembly { extraDataCasted := extraData } packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA); _packedOwnerships[index] = packed; } /** * @dev Called during each token transfer to set the 24bit `extraData` field. * Intended to be overridden by the cosumer contract. * * `previousExtraData` - the value of `extraData` before transfer. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _extraData( address from, address to, uint24 previousExtraData ) internal view virtual returns (uint24) {} /** * @dev Returns the next extra data for the packed ownership data. * The returned result is shifted into position. */ function _nextExtraData( address from, address to, uint256 prevOwnershipPacked ) private view returns (uint256) { uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA); return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA; } // ============================================================= // OTHER OPERATIONS // ============================================================= /** * @dev Returns the message sender (defaults to `msg.sender`). * * If you are writing GSN compatible contracts, you need to override this function. */ function _msgSenderERC721A() internal view virtual returns (address) { return msg.sender; } /** * @dev Converts a uint256 to its ASCII string decimal representation. */ function _toString(uint256 value) internal pure virtual returns (string memory str) { assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), but // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned. // We will need 1 word for the trailing zeros padding, 1 word for the length, // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0. let m := add(mload(0x40), 0xa0) // Update the free memory pointer to allocate. mstore(0x40, m) // Assign the `str` to the end. str := sub(m, 0x20) // Zeroize the slot after the string. mstore(str, 0) // Cache the end of the memory to calculate the length later. let end := str // We write the string from rightmost digit to leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // prettier-ignore for { let temp := value } 1 {} { str := sub(str, 1) // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(str, add(48, mod(temp, 10))) // Keep dividing `temp` until zero. temp := div(temp, 10) // prettier-ignore if iszero(temp) { break } } let length := sub(end, str) // Move the pointer 32 bytes leftwards to make room for the length. str := sub(str, 0x20) // Store the length. mstore(str, length) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/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 // 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":[{"internalType":"uint256","name":"quantity","type":"uint256"},{"internalType":"address","name":"_receiver","type":"address"}],"name":"airdrop","outputs":[],"stateMutability":"nonpayable","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":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"value","type":"bool"}],"name":"openMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"publicMint","outputs":[],"stateMutability":"payable","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":[],"name":"saleConfig","outputs":[{"internalType":"uint32","name":"mintStartTime","type":"uint32"},{"internalType":"uint64","name":"mintPrice","type":"uint64"},{"internalType":"uint32","name":"maxSupply","type":"uint32"},{"internalType":"uint32","name":"preMax","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"uri","type":"string"}],"name":"setBaseUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_status","type":"bool"}],"name":"setBurnable","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uriSuffix","type":"string"}],"name":"setUriSuffix","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"}]
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.