ERC-721
Overview
Max Total Supply
808 MekaY00ts
Holders
338
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 MekaY00tsLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
MekaY00ts
Compiler Version
v0.8.18+commit.87f61d96
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
pragma solidity ^0.8.0; // SPDX-License-Identifier: MIT import "@openzeppelin/contracts/access/Ownable.sol"; import "erc721a/contracts/ERC721A.sol"; import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol"; contract MekaY00ts is Ownable, ERC721A, ReentrancyGuard { string public baseURI; bool public publicSale = false; uint256 public amountFree = 606; uint256 public price = 0.002 ether; uint public maxFreePerWallet = 2; uint public maxPerTx = 10; uint public maxSupply = 808; constructor() ERC721A ( "MekaY00ts", "MekaY00ts") {} modifier callerIsUser() { require(tx.origin == msg.sender, "The caller is another contract"); _; } function setFree(uint256 amount) external onlyOwner { amountFree = amount; } function freeMint(uint256 quantity) external callerIsUser { require(publicSale, "Public sale has not begun yet"); require(totalSupply() + quantity <= amountFree, "Reached max free supply"); require(numberMinted(msg.sender) + quantity <= maxFreePerWallet,"Too many free per wallet!"); _safeMint(msg.sender, quantity); } function setMaxFreePerWallet(uint256 maxFreePerWallet_) external onlyOwner { maxFreePerWallet = maxFreePerWallet_; } function mint(uint256 quantity) external payable callerIsUser { require(publicSale, "Public sale has not begun yet"); require(totalSupply() + quantity <= maxSupply,"Reached max supply"); require(quantity <= maxPerTx, "can not mint this many at a time"); require(msg.value >= price * quantity , "Ether value sent is not correct"); _safeMint(msg.sender, quantity); } function ownerMint(uint256 quantity) external onlyOwner { require(totalSupply() + quantity < maxSupply + 1,"too many!"); _safeMint(msg.sender, quantity); } function setmaxPerTx(uint256 maxPerTx_) external onlyOwner { maxPerTx = maxPerTx_; } function setmaxSupply(uint256 maxSupply_) external onlyOwner { maxSupply = maxSupply_; } function setprice(uint256 _newprice) public onlyOwner { price = _newprice; } function setSaleState(bool state) external onlyOwner { publicSale = state; } function setBaseURI(string calldata baseURI_) external onlyOwner { baseURI = baseURI_; } function _baseURI() internal view virtual override returns (string memory) { return baseURI; } function withdraw() external onlyOwner nonReentrant { (bool success, ) = msg.sender.call{value: address(this).balance}(""); require(success, "Transfer failed."); } function numberMinted(address owner) public view returns (uint256) { return _numberMinted(owner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { _nonReentrantBefore(); _; _nonReentrantAfter(); } function _nonReentrantBefore() private { // On the first call to nonReentrant, _status will be _NOT_ENTERED require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; } function _nonReentrantAfter() private { // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.3 // Creator: Chiru Labs pragma solidity ^0.8.4; 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 // ERC721A Contracts v4.2.3 // Creator: Chiru Labs pragma solidity ^0.8.4; /** * @dev Interface of ERC721A. */ interface IERC721A { /** * The caller must own the token or be an approved operator. */ error ApprovalCallerNotOwnerNorApproved(); /** * The token does not exist. */ error ApprovalQueryForNonexistentToken(); /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The token does not exist. */ error OwnerQueryForNonexistentToken(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * The token must be owned by `from`. */ error TransferFromIncorrectOwner(); /** * Cannot safely transfer to a contract that does not implement the * ERC721Receiver interface. */ error TransferToNonERC721ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * The token does not exist. */ error URIQueryForNonexistentToken(); /** * The `quantity` minted with ERC2309 exceeds the safety limit. */ error MintERC2309QuantityExceedsLimit(); /** * The `extraData` cannot be set on an unintialized ownership slot. */ error OwnershipNotInitializedForExtraData(); // ============================================================= // STRUCTS // ============================================================= struct TokenOwnership { // The address of the owner. address addr; // Stores the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}. uint24 extraData; } // ============================================================= // TOKEN COUNTERS // ============================================================= /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() external view returns (uint256); // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); // ============================================================= // IERC721 // ============================================================= /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables * (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, * checking first that contract recipients are aware of the ERC721 protocol * to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move * this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external payable; /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external payable; /** * @dev Transfers `tokenId` from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} * whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external payable; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external payable; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) external view returns (bool); // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); // ============================================================= // IERC2309 // ============================================================= /** * @dev Emitted when tokens in `fromTokenId` to `toTokenId` * (inclusive) is transferred from `from` to `to`, as defined in the * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard. * * See {_mintERC2309} for more details. */ event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"amountFree","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"freeMint","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":"maxFreePerWallet","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxPerTx","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"numberMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"ownerMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"publicSale","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setFree","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxFreePerWallet_","type":"uint256"}],"name":"setMaxFreePerWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"state","type":"bool"}],"name":"setSaleState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxPerTx_","type":"uint256"}],"name":"setmaxPerTx","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxSupply_","type":"uint256"}],"name":"setmaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newprice","type":"uint256"}],"name":"setprice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
6080604052600b805460ff1916905561025e600c5566071afd498d0000600d556002600e55600a600f556103286010553480156200003c57600080fd5b50604051806040016040528060098152602001684d656b61593030747360b81b815250604051806040016040528060098152602001684d656b61593030747360b81b8152506200009b62000095620000cb60201b60201c565b620000cf565b6003620000a98382620001c4565b506004620000b88282620001c4565b5050600060019081556009555062000290565b3390565b600080546001600160a01b038381166001600160a01b0319831681178455604051919092169283917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e09190a35050565b634e487b7160e01b600052604160045260246000fd5b600181811c908216806200014a57607f821691505b6020821081036200016b57634e487b7160e01b600052602260045260246000fd5b50919050565b601f821115620001bf57600081815260208120601f850160051c810160208610156200019a5750805b601f850160051c820191505b81811015620001bb57828155600101620001a6565b5050505b505050565b81516001600160401b03811115620001e057620001e06200011f565b620001f881620001f1845462000135565b8462000171565b602080601f831160018114620002305760008415620002175750858301515b600019600386901b1c1916600185901b178555620001bb565b600085815260208120601f198616915b82811015620002615788860151825594840194600190910190840162000240565b5085821015620002805787850151600019600388901b60f8161c191681555b5050505050600190811b01905550565b611b3380620002a06000396000f3fe60806040526004361061020f5760003560e01c8063805dcae511610118578063c4e37095116100a0578063dc33e6811161006f578063dc33e6811461058b578063e985e9c5146105ab578063f19e75d4146105cb578063f2fde38b146105eb578063f968adbe1461060b57600080fd5b8063c4e3709514610515578063c87b56dd14610535578063d49f0fa514610555578063d5abeb011461057557600080fd5b8063a0712d68116100e7578063a0712d68146104a3578063a22cb465146104b6578063a7027357146104d6578063b8793f72146104ec578063b88d4fde1461050257600080fd5b8063805dcae51461043a5780638da5cb5b1461045a57806395d89b4114610478578063a035b1fe1461048d57600080fd5b806342842e0e1161019b5780636d7c4a4b1161016a5780636d7c4a4b146103a55780637040d73f146103c557806370a08231146103e5578063715018a6146104055780637c928fe91461041a57600080fd5b806342842e0e1461033d57806355f804b3146103505780636352211e146103705780636c0360eb1461039057600080fd5b806318160ddd116101e257806318160ddd146102b8578063228025e8146102db57806323b872dd146102fb57806333bc1c5c1461030e5780633ccfd60b1461032857600080fd5b806301ffc9a71461021457806306fdde0314610249578063081812fc1461026b578063095ea7b3146102a3575b600080fd5b34801561022057600080fd5b5061023461022f3660046115d2565b610621565b60405190151581526020015b60405180910390f35b34801561025557600080fd5b5061025e610673565b604051610240919061163f565b34801561027757600080fd5b5061028b610286366004611652565b610705565b6040516001600160a01b039091168152602001610240565b6102b66102b1366004611687565b610749565b005b3480156102c457600080fd5b50600254600154035b604051908152602001610240565b3480156102e757600080fd5b506102b66102f6366004611652565b6107e9565b6102b66103093660046116b1565b6107f6565b34801561031a57600080fd5b50600b546102349060ff1681565b34801561033457600080fd5b506102b661098f565b6102b661034b3660046116b1565b610a3c565b34801561035c57600080fd5b506102b661036b3660046116ed565b610a5c565b34801561037c57600080fd5b5061028b61038b366004611652565b610a71565b34801561039c57600080fd5b5061025e610a7c565b3480156103b157600080fd5b506102b66103c0366004611652565b610b0a565b3480156103d157600080fd5b506102b66103e0366004611652565b610b17565b3480156103f157600080fd5b506102cd61040036600461175f565b610b24565b34801561041157600080fd5b506102b6610b73565b34801561042657600080fd5b506102b6610435366004611652565b610b85565b34801561044657600080fd5b506102b6610455366004611652565b610d01565b34801561046657600080fd5b506000546001600160a01b031661028b565b34801561048457600080fd5b5061025e610d0e565b34801561049957600080fd5b506102cd600d5481565b6102b66104b1366004611652565b610d1d565b3480156104c257600080fd5b506102b66104d136600461178a565b610ecb565b3480156104e257600080fd5b506102cd600e5481565b3480156104f857600080fd5b506102cd600c5481565b6102b66105103660046117d3565b610f37565b34801561052157600080fd5b506102b66105303660046118af565b610f81565b34801561054157600080fd5b5061025e610550366004611652565b610f9c565b34801561056157600080fd5b506102b6610570366004611652565b611020565b34801561058157600080fd5b506102cd60105481565b34801561059757600080fd5b506102cd6105a636600461175f565b61102d565b3480156105b757600080fd5b506102346105c63660046118ca565b611058565b3480156105d757600080fd5b506102b66105e6366004611652565b611086565b3480156105f757600080fd5b506102b661060636600461175f565b6110ed565b34801561061757600080fd5b506102cd600f5481565b60006301ffc9a760e01b6001600160e01b03198316148061065257506380ac58cd60e01b6001600160e01b03198316145b8061066d5750635b5e139f60e01b6001600160e01b03198316145b92915050565b606060038054610682906118f4565b80601f01602080910402602001604051908101604052809291908181526020018280546106ae906118f4565b80156106fb5780601f106106d0576101008083540402835291602001916106fb565b820191906000526020600020905b8154815290600101906020018083116106de57829003601f168201915b5050505050905090565b600061071082611163565b61072d576040516333d1c03960e21b815260040160405180910390fd5b506000908152600760205260409020546001600160a01b031690565b600061075482610a71565b9050336001600160a01b0382161461078d576107708133611058565b61078d576040516367d9dca160e11b815260040160405180910390fd5b60008281526007602052604080822080546001600160a01b0319166001600160a01b0387811691821790925591518593918516917f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92591a4505050565b6107f161118b565b601055565b6000610801826111e5565b9050836001600160a01b0316816001600160a01b0316146108345760405162a1148160e81b815260040160405180910390fd5b60008281526007602052604090208054338082146001600160a01b03881690911417610881576108648633611058565b61088157604051632ce44b5f60e11b815260040160405180910390fd5b6001600160a01b0385166108a857604051633a954ecd60e21b815260040160405180910390fd5b80156108b357600082555b6001600160a01b038681166000908152600660205260408082208054600019019055918716808252919020805460010190554260a01b17600160e11b17600085815260056020526040812091909155600160e11b84169003610945576001840160008181526005602052604081205490036109435760015481146109435760008181526005602052604090208490555b505b83856001600160a01b0316876001600160a01b03167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef60405160405180910390a45b505050505050565b61099761118b565b61099f61124c565b604051600090339047908381818185875af1925050503d80600081146109e1576040519150601f19603f3d011682016040523d82523d6000602084013e6109e6565b606091505b5050905080610a2f5760405162461bcd60e51b815260206004820152601060248201526f2a3930b739b332b9103330b4b632b21760811b60448201526064015b60405180910390fd5b50610a3a6001600955565b565b610a5783838360405180602001604052806000815250610f37565b505050565b610a6461118b565b600a610a57828483611974565b600061066d826111e5565b600a8054610a89906118f4565b80601f0160208091040260200160405190810160405280929190818152602001828054610ab5906118f4565b8015610b025780601f10610ad757610100808354040283529160200191610b02565b820191906000526020600020905b815481529060010190602001808311610ae557829003601f168201915b505050505081565b610b1261118b565b600e55565b610b1f61118b565b600c55565b60006001600160a01b038216610b4d576040516323d3ad8160e21b815260040160405180910390fd5b506001600160a01b031660009081526006602052604090205467ffffffffffffffff1690565b610b7b61118b565b610a3a60006112a5565b323314610bd45760405162461bcd60e51b815260206004820152601e60248201527f5468652063616c6c657220697320616e6f7468657220636f6e747261637400006044820152606401610a26565b600b5460ff16610c265760405162461bcd60e51b815260206004820152601d60248201527f5075626c69632073616c6520686173206e6f7420626567756e207965740000006044820152606401610a26565b600c5481610c376002546001540390565b610c419190611a4a565b1115610c8f5760405162461bcd60e51b815260206004820152601760248201527f52656163686564206d6178206672656520737570706c790000000000000000006044820152606401610a26565b600e5481610c9c3361102d565b610ca69190611a4a565b1115610cf45760405162461bcd60e51b815260206004820152601960248201527f546f6f206d616e792066726565207065722077616c6c657421000000000000006044820152606401610a26565b610cfe33826112f5565b50565b610d0961118b565b600f55565b606060048054610682906118f4565b323314610d6c5760405162461bcd60e51b815260206004820152601e60248201527f5468652063616c6c657220697320616e6f7468657220636f6e747261637400006044820152606401610a26565b600b5460ff16610dbe5760405162461bcd60e51b815260206004820152601d60248201527f5075626c69632073616c6520686173206e6f7420626567756e207965740000006044820152606401610a26565b60105481610dcf6002546001540390565b610dd99190611a4a565b1115610e1c5760405162461bcd60e51b815260206004820152601260248201527152656163686564206d617820737570706c7960701b6044820152606401610a26565b600f54811115610e6e5760405162461bcd60e51b815260206004820181905260248201527f63616e206e6f74206d696e742074686973206d616e7920617420612074696d656044820152606401610a26565b80600d54610e7c9190611a5d565b341015610cf45760405162461bcd60e51b815260206004820152601f60248201527f45746865722076616c75652073656e74206973206e6f7420636f7272656374006044820152606401610a26565b3360008181526008602090815260408083206001600160a01b03871680855290835292819020805460ff191686151590811790915590519081529192917f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a35050565b610f428484846107f6565b6001600160a01b0383163b15610f7b57610f5e84848484611313565b610f7b576040516368d2bf6b60e11b815260040160405180910390fd5b50505050565b610f8961118b565b600b805460ff1916911515919091179055565b6060610fa782611163565b610fc457604051630a14c4b560e41b815260040160405180910390fd5b6000610fce6113fe565b90508051600003610fee5760405180602001604052806000815250611019565b80610ff88461140d565b604051602001611009929190611a74565b6040516020818303038152906040525b9392505050565b61102861118b565b600d55565b6001600160a01b0381166000908152600660205260408082205467ffffffffffffffff911c1661066d565b6001600160a01b03918216600090815260086020908152604080832093909416825291909152205460ff1690565b61108e61118b565b60105461109c906001611a4a565b816110aa6002546001540390565b6110b49190611a4a565b10610cf45760405162461bcd60e51b8152602060048201526009602482015268746f6f206d616e792160b81b6044820152606401610a26565b6110f561118b565b6001600160a01b03811661115a5760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201526564647265737360d01b6064820152608401610a26565b610cfe816112a5565b60006001548210801561066d575050600090815260056020526040902054600160e01b161590565b6000546001600160a01b03163314610a3a5760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e65726044820152606401610a26565b6000816001548110156112335760008181526005602052604081205490600160e01b82169003611231575b80600003611019575060001901600081815260056020526040902054611210565b505b604051636f96cda160e11b815260040160405180910390fd5b60026009540361129e5760405162461bcd60e51b815260206004820152601f60248201527f5265656e7472616e637947756172643a207265656e7472616e742063616c6c006044820152606401610a26565b6002600955565b600080546001600160a01b038381166001600160a01b0319831681178455604051919092169283917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e09190a35050565b61130f828260405180602001604052806000815250611451565b5050565b604051630a85bd0160e11b81526000906001600160a01b0385169063150b7a0290611348903390899088908890600401611aa3565b6020604051808303816000875af1925050508015611383575060408051601f3d908101601f1916820190925261138091810190611ae0565b60015b6113e1573d8080156113b1576040519150601f19603f3d011682016040523d82523d6000602084013e6113b6565b606091505b5080516000036113d9576040516368d2bf6b60e11b815260040160405180910390fd5b805181602001fd5b6001600160e01b031916630a85bd0160e11b149050949350505050565b6060600a8054610682906118f4565b606060a06040510180604052602081039150506000815280825b600183039250600a81066030018353600a9004806114275750819003601f19909101908152919050565b61145b83836114be565b6001600160a01b0383163b15610a57576001548281035b6114856000868380600101945086611313565b6114a2576040516368d2bf6b60e11b815260040160405180910390fd5b8181106114725781600154146114b757600080fd5b5050505050565b60015460008290036114e35760405163b562e8dd60e01b815260040160405180910390fd5b6001600160a01b03831660008181526006602090815260408083208054680100000000000000018802019055848352600590915281206001851460e11b4260a01b178317905582840190839083907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef8180a4600183015b81811461159257808360007fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef600080a460010161155a565b50816000036115b357604051622e076360e81b815260040160405180910390fd5b60015550505050565b6001600160e01b031981168114610cfe57600080fd5b6000602082840312156115e457600080fd5b8135611019816115bc565b60005b8381101561160a5781810151838201526020016115f2565b50506000910152565b6000815180845261162b8160208601602086016115ef565b601f01601f19169290920160200192915050565b6020815260006110196020830184611613565b60006020828403121561166457600080fd5b5035919050565b80356001600160a01b038116811461168257600080fd5b919050565b6000806040838503121561169a57600080fd5b6116a38361166b565b946020939093013593505050565b6000806000606084860312156116c657600080fd5b6116cf8461166b565b92506116dd6020850161166b565b9150604084013590509250925092565b6000806020838503121561170057600080fd5b823567ffffffffffffffff8082111561171857600080fd5b818501915085601f83011261172c57600080fd5b81358181111561173b57600080fd5b86602082850101111561174d57600080fd5b60209290920196919550909350505050565b60006020828403121561177157600080fd5b6110198261166b565b8035801515811461168257600080fd5b6000806040838503121561179d57600080fd5b6117a68361166b565b91506117b46020840161177a565b90509250929050565b634e487b7160e01b600052604160045260246000fd5b600080600080608085870312156117e957600080fd5b6117f28561166b565b93506118006020860161166b565b925060408501359150606085013567ffffffffffffffff8082111561182457600080fd5b818701915087601f83011261183857600080fd5b81358181111561184a5761184a6117bd565b604051601f8201601f19908116603f01168101908382118183101715611872576118726117bd565b816040528281528a602084870101111561188b57600080fd5b82602086016020830137600060208483010152809550505050505092959194509250565b6000602082840312156118c157600080fd5b6110198261177a565b600080604083850312156118dd57600080fd5b6118e68361166b565b91506117b46020840161166b565b600181811c9082168061190857607f821691505b60208210810361192857634e487b7160e01b600052602260045260246000fd5b50919050565b601f821115610a5757600081815260208120601f850160051c810160208610156119555750805b601f850160051c820191505b8181101561098757828155600101611961565b67ffffffffffffffff83111561198c5761198c6117bd565b6119a08361199a83546118f4565b8361192e565b6000601f8411600181146119d457600085156119bc5750838201355b600019600387901b1c1916600186901b1783556114b7565b600083815260209020601f19861690835b82811015611a0557868501358255602094850194600190920191016119e5565b5086821015611a225760001960f88860031b161c19848701351681555b505060018560011b0183555050505050565b634e487b7160e01b600052601160045260246000fd5b8082018082111561066d5761066d611a34565b808202811582820484141761066d5761066d611a34565b60008351611a868184602088016115ef565b835190830190611a9a8183602088016115ef565b01949350505050565b6001600160a01b0385811682528416602082015260408101839052608060608201819052600090611ad690830184611613565b9695505050505050565b600060208284031215611af257600080fd5b8151611019816115bc56fea26469706673582212208e1a860e38f72b343f5be3438da17e0d5244ff273ff866c94e4caf573493faaf64736f6c63430008120033
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.