Overview
ETH Balance
0 ETH
Eth Value
$0.00More Info
Private Name Tags
ContractCreator
View more zero value Internal Transactions in Advanced View mode
Advanced mode:
Loading...
Loading
Contract Name:
VIPPass
Compiler Version
v0.8.15+commit.e14f2714
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT // ██╗░░██╗██╗██╗░░██╗░█████╗░██╗░██████╗ ██╗░░░██╗██╗██████╗░ // ██║░██╔╝██║██║░██╔╝██╔══██╗╚█║██╔════╝ ██║░░░██║██║██╔══██╗ // █████═╝░██║█████═╝░██║░░██║░╚╝╚█████╗░ ╚██╗░██╔╝██║██████╔╝ // ██╔═██╗░██║██╔═██╗░██║░░██║░░░░╚═══██╗ ░╚████╔╝░██║██╔═══╝░ // ██║░╚██╗██║██║░╚██╗╚█████╔╝░░░██████╔╝ ░░╚██╔╝░░██║██║░░░░░ // ╚═╝░░╚═╝╚═╝╚═╝░░╚═╝░╚════╝░░░░╚═════╝░ ░░░╚═╝░░░╚═╝╚═╝░░░░░ pragma solidity ^0.8.15; import 'erc721a-upgradeable/contracts/ERC721AUpgradeable.sol'; import '@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol'; contract VIPPass is ERC721AUpgradeable, OwnableUpgradeable { // metadata string public baseURI; bool public metadataFrozen; // constants uint256 public constant MAX_SUPPLY = 1000; /** * @dev Initializes the contract */ function initialize() initializerERC721A initializer public { __ERC721A_init("Kiko VIP", "VIP"); __Ownable_init(); baseURI = "https://kikomints.s3.us-east-2.amazonaws.com/vip/"; } // --------- config ------------ /** * @dev Gets base metadata URI */ function _baseURI() internal view override returns (string memory) { return baseURI; } /** * @dev Sets base metadata URI, callable by owner */ function setBaseUri(string memory _uri) external onlyOwner { require(!metadataFrozen); baseURI = _uri; } /** * @dev Freezes metadata */ function freezeMetadata() external onlyOwner { require(!metadataFrozen); metadataFrozen = true; } // --------- minting ------------ /** * @dev Owner minting */ function airdropOwner(address[] calldata addr, uint256[] calldata count) external onlyOwner { for (uint256 i=0; i<addr.length; i++) { _mint(addr[i], count[i]); } require(totalSupply() <= MAX_SUPPLY, "Supply exceeded"); } /** * @dev Owner minting */ function airdropOwnerOnePerAddress(address[] calldata addr) external onlyOwner { for (uint256 i=0; i<addr.length; i++) { _mint(addr[i], 1); } require(totalSupply() <= MAX_SUPPLY, "Supply exceeded"); } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.2 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721AUpgradeable.sol'; import {ERC721AStorage} from './ERC721AStorage.sol'; import './ERC721A__Initializable.sol'; /** * @dev Interface of ERC721 token receiver. */ interface ERC721A__IERC721ReceiverUpgradeable { 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 ERC721AUpgradeable is ERC721A__Initializable, IERC721AUpgradeable { using ERC721AStorage for ERC721AStorage.Layout; // ============================================================= // 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; // ============================================================= // CONSTRUCTOR // ============================================================= function __ERC721A_init(string memory name_, string memory symbol_) internal onlyInitializingERC721A { __ERC721A_init_unchained(name_, symbol_); } function __ERC721A_init_unchained(string memory name_, string memory symbol_) internal onlyInitializingERC721A { ERC721AStorage.layout()._name = name_; ERC721AStorage.layout()._symbol = symbol_; ERC721AStorage.layout()._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 ERC721AStorage.layout()._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 ERC721AStorage.layout()._currentIndex - ERC721AStorage.layout()._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 ERC721AStorage.layout()._currentIndex - _startTokenId(); } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return ERC721AStorage.layout()._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 ERC721AStorage.layout()._packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (ERC721AStorage.layout()._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 (ERC721AStorage.layout()._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(ERC721AStorage.layout()._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 = ERC721AStorage.layout()._packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); ERC721AStorage.layout()._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 ERC721AStorage.layout()._name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return ERC721AStorage.layout()._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(ERC721AStorage.layout()._packedOwnerships[index]); } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (ERC721AStorage.layout()._packedOwnerships[index] == 0) { ERC721AStorage.layout()._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 < ERC721AStorage.layout()._currentIndex) { uint256 packed = ERC721AStorage.layout()._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 = ERC721AStorage.layout()._packedOwnerships[--curr]; } return packed; } } } revert OwnerQueryForNonexistentToken(); } /** * @dev Returns the unpacked `TokenOwnership` struct from `packed`. */ function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) { ownership.addr = address(uint160(packed)); ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP); ownership.burned = packed & _BITMASK_BURNED != 0; ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA); } /** * @dev Packs ownership data into a single uint256. */ function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`. result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags)) } } /** * @dev Returns the `nextInitialized` flag set if `quantity` equals 1. */ function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) { // For branchless setting of the `nextInitialized` flag. assembly { // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`. result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1)) } } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ownerOf(tokenId); if (_msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { revert ApprovalCallerNotOwnerNorApproved(); } ERC721AStorage.layout()._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 ERC721AStorage.layout()._tokenApprovals[tokenId].value; } /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) public virtual override { if (operator == _msgSenderERC721A()) revert ApproveToCaller(); ERC721AStorage.layout()._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 ERC721AStorage.layout()._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 < ERC721AStorage.layout()._currentIndex && // If within bounds, ERC721AStorage.layout()._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) { ERC721AStorage.TokenApprovalRef storage tokenApproval = ERC721AStorage.layout()._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 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. --ERC721AStorage.layout()._packedAddressData[from]; // Updates: `balance -= 1`. ++ERC721AStorage.layout()._packedAddressData[to]; // Updates: `balance += 1`. // Updates: // - `address` to the next owner. // - `startTimestamp` to the timestamp of transfering. // - `burned` to `false`. // - `nextInitialized` to `true`. ERC721AStorage.layout()._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 (ERC721AStorage.layout()._packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != ERC721AStorage.layout()._currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. ERC721AStorage.layout()._packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ''); } /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { transferFrom(from, to, tokenId); if (to.code.length != 0) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } /** * @dev Hook that is called before a set of serially-ordered token IDs * are about to be transferred. This includes minting. * And also called before burning one token. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token IDs * have been transferred. This includes minting. * And also called after one token has been burned. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been * transferred to `to`. * - When `from` is zero, `tokenId` has been minted for `to`. * - When `to` is zero, `tokenId` has been burned by `from`. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * `from` - Previous owner of the given token ID. * `to` - Target address that will receive the token. * `tokenId` - Token ID to be transferred. * `_data` - Optional data to send along with the call. * * Returns whether the call correctly returned the expected magic value. */ function _checkContractOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { try ERC721A__IERC721ReceiverUpgradeable(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (bytes4 retval) { return retval == ERC721A__IERC721ReceiverUpgradeable(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 = ERC721AStorage.layout()._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`. ERC721AStorage.layout()._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`. ERC721AStorage.layout()._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`. ) 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(); ERC721AStorage.layout()._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 = ERC721AStorage.layout()._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`. ERC721AStorage.layout()._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`. ERC721AStorage.layout()._packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to); ERC721AStorage.layout()._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 = ERC721AStorage.layout()._currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (index < end); // Reentrancy protection. if (ERC721AStorage.layout()._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;`. ERC721AStorage.layout()._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`. ERC721AStorage.layout()._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 (ERC721AStorage.layout()._packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != ERC721AStorage.layout()._currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. ERC721AStorage.layout()._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 { ERC721AStorage.layout()._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 = ERC721AStorage.layout()._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); ERC721AStorage.layout()._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 0x80 bytes to keep the free memory pointer 32-byte word aligned. // We will need 1 32-byte word to store the length, // and 3 32-byte words to store a maximum of 78 digits. Total: 0x20 + 3 * 0x20 = 0x80. str := add(mload(0x40), 0x80) // Update the free memory pointer to allocate. mstore(0x40, str) // 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 v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/ContextUpgradeable.sol"; import "../proxy/utils/Initializable.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 OwnableUpgradeable is Initializable, ContextUpgradeable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ function __Ownable_init() internal onlyInitializing { __Ownable_init_unchained(); } function __Ownable_init_unchained() internal onlyInitializing { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.2 // Creator: Chiru Labs pragma solidity ^0.8.4; /** * @dev Interface of ERC721A. */ interface IERC721AUpgradeable { /** * The caller must own the token or be an approved operator. */ error ApprovalCallerNotOwnerNorApproved(); /** * The token does not exist. */ error ApprovalQueryForNonexistentToken(); /** * The caller cannot approve to their own address. */ error ApproveToCaller(); /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The token does not exist. */ error OwnerQueryForNonexistentToken(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * The token must be owned by `from`. */ error TransferFromIncorrectOwner(); /** * Cannot safely transfer to a contract that does not implement the * ERC721Receiver interface. */ error TransferToNonERC721ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * The token does not exist. */ error URIQueryForNonexistentToken(); /** * The `quantity` minted with ERC2309 exceeds the safety limit. */ error MintERC2309QuantityExceedsLimit(); /** * The `extraData` cannot be set on an unintialized ownership slot. */ error OwnershipNotInitializedForExtraData(); // ============================================================= // STRUCTS // ============================================================= struct TokenOwnership { // The address of the owner. address addr; // Stores the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}. uint24 extraData; } // ============================================================= // TOKEN COUNTERS // ============================================================= /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() external view returns (uint256); // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); // ============================================================= // IERC721 // ============================================================= /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables * (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, * checking first that contract recipients are aware of the ERC721 protocol * to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move * this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} * whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) external view returns (bool); // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); // ============================================================= // IERC2309 // ============================================================= /** * @dev Emitted when tokens in `fromTokenId` to `toTokenId` * (inclusive) is transferred from `from` to `to`, as defined in the * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard. * * See {_mintERC2309} for more details. */ event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; library ERC721AStorage { // Reference type for token approval. struct TokenApprovalRef { address value; } struct Layout { // ============================================================= // STORAGE // ============================================================= // The next token ID to be minted. uint256 _currentIndex; // The number of tokens burned. uint256 _burnCounter; // Token name string _name; // Token symbol string _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) _packedOwnerships; // Mapping owner address to address data. // // Bits Layout: // - [0..63] `balance` // - [64..127] `numberMinted` // - [128..191] `numberBurned` // - [192..255] `aux` mapping(address => uint256) _packedAddressData; // Mapping from token ID to approved address. mapping(uint256 => ERC721AStorage.TokenApprovalRef) _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) _operatorApprovals; } bytes32 internal constant STORAGE_SLOT = keccak256('ERC721A.contracts.storage.ERC721A'); function layout() internal pure returns (Layout storage l) { bytes32 slot = STORAGE_SLOT; assembly { l.slot := slot } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev This is a base contract to aid in writing upgradeable diamond facet contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. */ import {ERC721A__InitializableStorage} from './ERC721A__InitializableStorage.sol'; abstract contract ERC721A__Initializable { using ERC721A__InitializableStorage for ERC721A__InitializableStorage.Layout; /** * @dev Modifier to protect an initializer function from being invoked twice. */ modifier initializerERC721A() { // If the contract is initializing we ignore whether _initialized is set in order to support multiple // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the // contract may have been reentered. require( ERC721A__InitializableStorage.layout()._initializing ? _isConstructor() : !ERC721A__InitializableStorage.layout()._initialized, 'ERC721A__Initializable: contract is already initialized' ); bool isTopLevelCall = !ERC721A__InitializableStorage.layout()._initializing; if (isTopLevelCall) { ERC721A__InitializableStorage.layout()._initializing = true; ERC721A__InitializableStorage.layout()._initialized = true; } _; if (isTopLevelCall) { ERC721A__InitializableStorage.layout()._initializing = false; } } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} modifier, directly or indirectly. */ modifier onlyInitializingERC721A() { require( ERC721A__InitializableStorage.layout()._initializing, 'ERC721A__Initializable: contract is not initializing' ); _; } /// @dev Returns true if and only if the function is running in the constructor function _isConstructor() private view returns (bool) { // extcodesize checks the size of the code stored in an address, and // address returns the current address. Since the code is still not // deployed when running a constructor, any checks on its code size will // yield zero, making it an effective way to detect if a contract is // under construction or not. address self = address(this); uint256 cs; assembly { cs := extcodesize(self) } return cs == 0; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev This is a base storage for the initialization function for upgradeable diamond facet contracts **/ library ERC721A__InitializableStorage { struct Layout { /* * Indicates that the contract has been initialized. */ bool _initialized; /* * Indicates that the contract is in the process of being initialized. */ bool _initializing; } bytes32 internal constant STORAGE_SLOT = keccak256('ERC721A.contracts.storage.initializable.facet'); function layout() internal pure returns (Layout storage l) { bytes32 slot = STORAGE_SLOT; assembly { l.slot := slot } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @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 ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { } function __Context_init_unchained() internal onlyInitializing { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.2; import "../../utils/AddressUpgradeable.sol"; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in * case an upgrade adds a module that needs to be initialized. * * For example: * * [.hljs-theme-light.nopadding] * ``` * contract MyToken is ERC20Upgradeable { * function initialize() initializer public { * __ERC20_init("MyToken", "MTK"); * } * } * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable { * function initializeV2() reinitializer(2) public { * __ERC20Permit_init("MyToken"); * } * } * ``` * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() { * _disableInitializers(); * } * ``` * ==== */ abstract contract Initializable { /** * @dev Indicates that the contract has been initialized. * @custom:oz-retyped-from bool */ uint8 private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint8 version); /** * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope, * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`. */ modifier initializer() { bool isTopLevelCall = _setInitializedVersion(1); if (isTopLevelCall) { _initializing = true; } _; if (isTopLevelCall) { _initializing = false; emit Initialized(1); } } /** * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be * used to initialize parent contracts. * * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original * initialization step. This is essential to configure modules that are added through upgrades and that require * initialization. * * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in * a contract, executing them in the right order is up to the developer or operator. */ modifier reinitializer(uint8 version) { bool isTopLevelCall = _setInitializedVersion(version); if (isTopLevelCall) { _initializing = true; } _; if (isTopLevelCall) { _initializing = false; emit Initialized(version); } } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} and {reinitializer} modifiers, directly or indirectly. */ modifier onlyInitializing() { require(_initializing, "Initializable: contract is not initializing"); _; } /** * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call. * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized * to any version. It is recommended to use this to lock implementation contracts that are designed to be called * through proxies. */ function _disableInitializers() internal virtual { _setInitializedVersion(type(uint8).max); } function _setInitializedVersion(uint8 version) private returns (bool) { // If the contract is initializing we ignore whether _initialized is set in order to support multiple // inheritance patterns, but we only do this in the context of a constructor, and for the lowest level // of initializers, because in other contexts the contract may have been reentered. if (_initializing) { require( version == 1 && !AddressUpgradeable.isContract(address(this)), "Initializable: contract is already initialized" ); return false; } else { require(_initialized < version, "Initializable: contract is already initialized"); _initialized = version; return true; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","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_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"addr","type":"address[]"},{"internalType":"uint256[]","name":"count","type":"uint256[]"}],"name":"airdropOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"addr","type":"address[]"}],"name":"airdropOwnerOnePerAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"freezeMetadata","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":[],"name":"initialize","outputs":[],"stateMutability":"nonpayable","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":"metadataFrozen","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":"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":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uri","type":"string"}],"name":"setBaseUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Loading...
Loading
Loading...
Loading
Multichain Portfolio | 30 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|
Loading...
Loading
A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.