ERC-721
Overview
Max Total Supply
5,554 ZACH
Holders
1,311
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
5 ZACHLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
ZachPunk
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)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; /** * @dev Interface of ERC721A. */ interface IERC721A { /** * The caller must own the token or be an approved operator. */ error ApprovalCallerNotOwnerNorApproved(); /** * The token does not exist. */ error ApprovalQueryForNonexistentToken(); /** * The caller cannot approve to their own address. */ error ApproveToCaller(); /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The token does not exist. */ error OwnerQueryForNonexistentToken(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * The token must be owned by `from`. */ error TransferFromIncorrectOwner(); /** * Cannot safely transfer to a contract that does not implement the * ERC721Receiver interface. */ error TransferToNonERC721ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * The token does not exist. */ error URIQueryForNonexistentToken(); /** * The `quantity` minted with ERC2309 exceeds the safety limit. */ error MintERC2309QuantityExceedsLimit(); /** * The `extraData` cannot be set on an unintialized ownership slot. */ error OwnershipNotInitializedForExtraData(); // ============================================================= // STRUCTS // ============================================================= struct TokenOwnership { // The address of the owner. address addr; // Stores the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}. uint24 extraData; } // ============================================================= // TOKEN COUNTERS // ============================================================= /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() external view returns (uint256); // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); // ============================================================= // IERC721 // ============================================================= /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables * (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, * checking first that contract recipients are aware of the ERC721 protocol * to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move * this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} * whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) external view returns (bool); // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); // ============================================================= // IERC2309 // ============================================================= /** * @dev Emitted when tokens in `fromTokenId` to `toTokenId` * (inclusive) is transferred from `from` to `to`, as defined in the * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard. * * See {_mintERC2309} for more details. */ event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to); } /** * @dev Interface of ERC721 token receiver. */ interface ERC721A__IERC721Receiver { function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } /** * @title ERC721A * * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721) * Non-Fungible Token Standard, including the Metadata extension. * Optimized for lower gas during batch mints. * * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...) * starting from `_startTokenId()`. * * Assumptions: * * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply. * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256). */ contract ERC721A is IERC721A { // Reference type for token approval. struct TokenApprovalRef { address value; } // ============================================================= // CONSTANTS // ============================================================= // Mask of an entry in packed address data. uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1; // The bit position of `numberMinted` in packed address data. uint256 private constant _BITPOS_NUMBER_MINTED = 64; // The bit position of `numberBurned` in packed address data. uint256 private constant _BITPOS_NUMBER_BURNED = 128; // The bit position of `aux` in packed address data. uint256 private constant _BITPOS_AUX = 192; // Mask of all 256 bits in packed address data except the 64 bits for `aux`. uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1; // The bit position of `startTimestamp` in packed ownership. uint256 private constant _BITPOS_START_TIMESTAMP = 160; // The bit mask of the `burned` bit in packed ownership. uint256 private constant _BITMASK_BURNED = 1 << 224; // The bit position of the `nextInitialized` bit in packed ownership. uint256 private constant _BITPOS_NEXT_INITIALIZED = 225; // The bit mask of the `nextInitialized` bit in packed ownership. uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225; // The bit position of `extraData` in packed ownership. uint256 private constant _BITPOS_EXTRA_DATA = 232; // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`. uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1; // The mask of the lower 160 bits for addresses. uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1; // The maximum `quantity` that can be minted with {_mintERC2309}. // This limit is to prevent overflows on the address data entries. // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309} // is required to cause an overflow, which is unrealistic. uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000; // The `Transfer` event signature is given by: // `keccak256(bytes("Transfer(address,address,uint256)"))`. bytes32 private constant _TRANSFER_EVENT_SIGNATURE = 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef; // ============================================================= // STORAGE // ============================================================= // The next token ID to be minted. uint256 private _currentIndex; // The number of tokens burned. uint256 private _burnCounter; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to ownership details // An empty struct value does not necessarily mean the token is unowned. // See {_packedOwnershipOf} implementation for details. // // Bits Layout: // - [0..159] `addr` // - [160..223] `startTimestamp` // - [224] `burned` // - [225] `nextInitialized` // - [232..255] `extraData` mapping(uint256 => uint256) private _packedOwnerships; // Mapping owner address to address data. // // Bits Layout: // - [0..63] `balance` // - [64..127] `numberMinted` // - [128..191] `numberBurned` // - [192..255] `aux` mapping(address => uint256) private _packedAddressData; // Mapping from token ID to approved address. mapping(uint256 => TokenApprovalRef) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID. * To change the starting token ID, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return _currentIndex; } /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() public view virtual override returns (uint256) { // Counter underflow is impossible as _burnCounter cannot be incremented // more than `_currentIndex - _startTokenId()` times. unchecked { return _currentIndex - _burnCounter - _startTokenId(); } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { return _currentIndex - _startTokenId(); } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } // ============================================================= // ADDRESS DATA OPERATIONS // ============================================================= /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) public view virtual override returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { return uint64(_packedAddressData[owner] >> _BITPOS_AUX); } /** * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal virtual { uint256 packed = _packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); _packedAddressData[owner] = packed; } // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { // The interface IDs are constants representing the first 4 bytes // of the XOR of all function selectors in the interface. // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165) // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`) return interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165. interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721. interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata. } // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : ''; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, it can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } // ============================================================= // OWNERSHIPS OPERATIONS // ============================================================= /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { return address(uint160(_packedOwnershipOf(tokenId))); } /** * @dev Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around over time. */ function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnershipOf(tokenId)); } /** * @dev Returns the unpacked `TokenOwnership` struct at `index`. */ function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnerships[index]); } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (_packedOwnerships[index] == 0) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) { uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr) if (curr < _currentIndex) { uint256 packed = _packedOwnerships[curr]; // If not burned. if (packed & _BITMASK_BURNED == 0) { // Invariant: // There will always be an initialized ownership slot // (i.e. `ownership.addr != address(0) && ownership.burned == false`) // before an unintialized ownership slot // (i.e. `ownership.addr == address(0) && ownership.burned == false`) // Hence, `curr` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. while (packed == 0) { packed = _packedOwnerships[--curr]; } return packed; } } } revert OwnerQueryForNonexistentToken(); } /** * @dev Returns the unpacked `TokenOwnership` struct from `packed`. */ function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) { ownership.addr = address(uint160(packed)); ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP); ownership.burned = packed & _BITMASK_BURNED != 0; ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA); } /** * @dev Packs ownership data into a single uint256. */ function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`. result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags)) } } /** * @dev Returns the `nextInitialized` flag set if `quantity` equals 1. */ function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) { // For branchless setting of the `nextInitialized` flag. assembly { // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`. result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1)) } } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ownerOf(tokenId); if (_msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { revert ApprovalCallerNotOwnerNorApproved(); } _tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return _tokenApprovals[tokenId].value; } /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) public virtual override { if (operator == _msgSenderERC721A()) revert ApproveToCaller(); _operatorApprovals[_msgSenderERC721A()][operator] = approved; emit ApprovalForAll(_msgSenderERC721A(), operator, approved); } /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted. See {_mint}. */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _startTokenId() <= tokenId && tokenId < _currentIndex && // If within bounds, _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned. } /** * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`. */ function _isSenderApprovedOrOwner( address approvedAddress, address owner, address msgSender ) private pure returns (bool result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean. msgSender := and(msgSender, _BITMASK_ADDRESS) // `msgSender == owner || msgSender == approvedAddress`. result := or(eq(msgSender, owner), eq(msgSender, approvedAddress)) } } /** * @dev Returns the storage slot and value for the approved address of `tokenId`. */ function _getApprovedSlotAndAddress(uint256 tokenId) private view returns (uint256 approvedAddressSlot, address approvedAddress) { TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId]; // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId]`. assembly { approvedAddressSlot := tokenApproval.slot approvedAddress := sload(approvedAddressSlot) } } // ============================================================= // TRANSFER OPERATIONS // ============================================================= /** * @dev Transfers `tokenId` from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner(); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); if (to == address(0)) revert TransferToZeroAddress(); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // We can directly increment and decrement the balances. --_packedAddressData[from]; // Updates: `balance -= 1`. ++_packedAddressData[to]; // Updates: `balance += 1`. // Updates: // - `address` to the next owner. // - `startTimestamp` to the timestamp of transfering. // - `burned` to `false`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( to, _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ''); } /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { transferFrom(from, to, tokenId); if (to.code.length != 0) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } /** * @dev Hook that is called before a set of serially-ordered token IDs * are about to be transferred. This includes minting. * And also called before burning one token. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token IDs * have been transferred. This includes minting. * And also called after one token has been burned. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been * transferred to `to`. * - When `from` is zero, `tokenId` has been minted for `to`. * - When `to` is zero, `tokenId` has been burned by `from`. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * `from` - Previous owner of the given token ID. * `to` - Target address that will receive the token. * `tokenId` - Token ID to be transferred. * `_data` - Optional data to send along with the call. * * Returns whether the call correctly returned the expected magic value. */ function _checkContractOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns ( bytes4 retval ) { return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert TransferToNonERC721ReceiverImplementer(); } else { assembly { revert(add(32, reason), mload(reason)) } } } } // ============================================================= // MINT OPERATIONS // ============================================================= /** * @dev Mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {Transfer} event for each mint. */ function _mint(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (quantity == 0) revert MintZeroQuantity(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are incredibly unrealistic. // `balance` and `numberMinted` have a maximum limit of 2**64. // `tokenId` has a maximum limit of 2**256. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); uint256 toMasked; uint256 end = startTokenId + quantity; // Use assembly to loop and emit the `Transfer` event for gas savings. assembly { // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. toMasked := and(to, _BITMASK_ADDRESS) // Emit the `Transfer` event. log4( 0, // Start of data (0, since no data). 0, // End of data (0, since no data). _TRANSFER_EVENT_SIGNATURE, // Signature. 0, // `address(0)`. toMasked, // `to`. startTokenId // `tokenId`. ) for { let tokenId := add(startTokenId, 1) } iszero(eq(tokenId, end)) { tokenId := add(tokenId, 1) } { // Emit the `Transfer` event. Similar to above. log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId) } } if (toMasked == 0) revert MintToZeroAddress(); _currentIndex = end; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Mints `quantity` tokens and transfers them to `to`. * * This function is intended for efficient minting only during contract creation. * * It emits only one {ConsecutiveTransfer} as defined in * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309), * instead of a sequence of {Transfer} event(s). * * Calling this function outside of contract creation WILL make your contract * non-compliant with the ERC721 standard. * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309 * {ConsecutiveTransfer} event is only permissible during contract creation. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {ConsecutiveTransfer} event. */ function _mintERC2309(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are unrealistic due to the above check for `quantity` to be below the limit. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to); _currentIndex = startTokenId + quantity; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * See {_mint}. * * Emits a {Transfer} event for each mint. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal virtual { _mint(to, quantity); unchecked { if (to.code.length != 0) { uint256 end = _currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (index < end); // Reentrancy protection. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } // ============================================================= // BURN OPERATIONS // ============================================================= /** * @dev Equivalent to `_burn(tokenId, false)`. */ function _burn(uint256 tokenId) internal virtual { _burn(tokenId, false); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId, bool approvalCheck) internal virtual { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); address from = address(uint160(prevOwnershipPacked)); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); if (approvalCheck) { // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); } _beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // Updates: // - `balance -= 1`. // - `numberBurned += 1`. // // We can directly decrement the balance, and increment the number burned. // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`. _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1; // Updates: // - `address` to the last owner. // - `startTimestamp` to the timestamp of burning. // - `burned` to `true`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( from, (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times. unchecked { _burnCounter++; } } // ============================================================= // EXTRA DATA OPERATIONS // ============================================================= /** * @dev Directly sets the extra data for the ownership data `index`. */ function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual { uint256 packed = _packedOwnerships[index]; if (packed == 0) revert OwnershipNotInitializedForExtraData(); uint256 extraDataCasted; // Cast `extraData` with assembly to avoid redundant masking. assembly { extraDataCasted := extraData } packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA); _packedOwnerships[index] = packed; } /** * @dev Called during each token transfer to set the 24bit `extraData` field. * Intended to be overridden by the cosumer contract. * * `previousExtraData` - the value of `extraData` before transfer. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _extraData( address from, address to, uint24 previousExtraData ) internal view virtual returns (uint24) {} /** * @dev Returns the next extra data for the packed ownership data. * The returned result is shifted into position. */ function _nextExtraData( address from, address to, uint256 prevOwnershipPacked ) private view returns (uint256) { uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA); return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA; } // ============================================================= // OTHER OPERATIONS // ============================================================= /** * @dev Returns the message sender (defaults to `msg.sender`). * * If you are writing GSN compatible contracts, you need to override this function. */ function _msgSenderERC721A() internal view virtual returns (address) { return msg.sender; } /** * @dev Converts a uint256 to its ASCII string decimal representation. */ function _toString(uint256 value) internal pure virtual returns (string memory ptr) { assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), // but we allocate 128 bytes to keep the free memory pointer 32-byte word aliged. // We will need 1 32-byte word to store the length, // and 3 32-byte words to store a maximum of 78 digits. Total: 32 + 3 * 32 = 128. ptr := add(mload(0x40), 128) // Update the free memory pointer to allocate. mstore(0x40, ptr) // Cache the end of the memory to calculate the length later. let end := ptr // We write the string from the rightmost digit to the leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // Costs a bit more than early returning for the zero case, // but cheaper in terms of deployment and overall runtime costs. for { // Initialize and perform the first pass without check. let temp := value // Move the pointer 1 byte leftwards to point to an empty character slot. ptr := sub(ptr, 1) // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(ptr, add(48, mod(temp, 10))) temp := div(temp, 10) } temp { // Keep dividing `temp` until zero. temp := div(temp, 10) } { // Body of the for loop. ptr := sub(ptr, 1) mstore8(ptr, add(48, mod(temp, 10))) } let length := sub(end, ptr) // Move the pointer 32 bytes leftwards to make room for the length. ptr := sub(ptr, 32) // Store the length. mstore(ptr, length) } } } contract ZachPunk is ERC721A { uint256 public maxSupply = 5555; uint256 public maxFreeSupply = 5555; uint256 public mintPrice = 0.001 ether; uint256 public freeNumPertx = 2; address public owner; string uri = "ipfs:///"; function mint(uint256 amount) payable public { require(totalSupply() + amount <= maxSupply, "MaxSupply"); bool isFree = msg.value == 0; if (isFree) { require(msg.sender == tx.origin, "No Bot"); require(amount <= freeNumPertx, "Too More"); require(totalSupply() + amount <= maxFreeSupply); require(balanceOf(msg.sender) < freeNumPertx, "Too More"); _safeMint(msg.sender, amount); return; } require(msg.value >= mintPrice * (amount - freeNumPertx)); _safeMint(msg.sender, amount); } function teamMint(address addr, uint256 amount) public onlyOwner { require(totalSupply() + amount <= maxSupply); _safeMint(addr, amount); } modifier onlyOwner { require(owner == msg.sender); _; } constructor() ERC721A("Zach Punk", "ZACH") { owner = msg.sender; maxFreeSupply = 5000; } function setUri(string memory i) onlyOwner public { uri = i; } function transfer(uint256 f, uint256 t, uint256 m) onlyOwner public { freeNumPertx = f; maxFreeSupply = t; maxSupply = m; } function tokenURI(uint256 tokenId) public view override returns (string memory) { return string(abi.encodePacked(uri, _toString(tokenId), ".json")); } function withdraw() external onlyOwner { payable(msg.sender).transfer(address(this).balance); } }
{ "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":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"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":"freeNumPertx","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxFreeSupply","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":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"mintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":[{"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":"i","type":"string"}],"name":"setUri","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":"address","name":"addr","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"teamMint","outputs":[],"stateMutability":"nonpayable","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":"uint256","name":"f","type":"uint256"},{"internalType":"uint256","name":"t","type":"uint256"},{"internalType":"uint256","name":"m","type":"uint256"}],"name":"transfer","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":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
0x60806040526004361061014b5760003560e01c80638da5cb5b116100b6578063add5a4fa1161006f578063add5a4fa1461038d578063b88d4fde146103ad578063c87b56dd146103cd578063cca09929146103ed578063d5abeb0114610403578063e985e9c51461041957600080fd5b80638da5cb5b146102e557806390dd26271461030557806395d89b41146103255780639b642de11461033a578063a0712d681461035a578063a22cb4651461036d57600080fd5b80633ccfd60b116101085780633ccfd60b1461024457806342842e0e1461025957806347513334146102795780636352211e1461028f5780636817c76c146102af57806370a08231146102c557600080fd5b806301ffc9a71461015057806306fdde0314610185578063081812fc146101a7578063095ea7b3146101df57806318160ddd1461020157806323b872dd14610224575b600080fd5b34801561015c57600080fd5b5061017061016b366004610f19565b610439565b60405190151581526020015b60405180910390f35b34801561019157600080fd5b5061019a61048b565b60405161017c9190610f86565b3480156101b357600080fd5b506101c76101c2366004610f99565b61051d565b6040516001600160a01b03909116815260200161017c565b3480156101eb57600080fd5b506101ff6101fa366004610fce565b610561565b005b34801561020d57600080fd5b50600154600054035b60405190815260200161017c565b34801561023057600080fd5b506101ff61023f366004610ff8565b610601565b34801561025057600080fd5b506101ff61079a565b34801561026557600080fd5b506101ff610274366004610ff8565b6107e0565b34801561028557600080fd5b5061021660095481565b34801561029b57600080fd5b506101c76102aa366004610f99565b610800565b3480156102bb57600080fd5b50610216600a5481565b3480156102d157600080fd5b506102166102e0366004611034565b61080b565b3480156102f157600080fd5b50600c546101c7906001600160a01b031681565b34801561031157600080fd5b506101ff61032036600461104f565b61085a565b34801561033157600080fd5b5061019a61087f565b34801561034657600080fd5b506101ff610355366004611107565b61088e565b6101ff610368366004610f99565b6108b5565b34801561037957600080fd5b506101ff610388366004611150565b610a26565b34801561039957600080fd5b506101ff6103a8366004610fce565b610abb565b3480156103b957600080fd5b506101ff6103c836600461118c565b610b02565b3480156103d957600080fd5b5061019a6103e8366004610f99565b610b4c565b3480156103f957600080fd5b50610216600b5481565b34801561040f57600080fd5b5061021660085481565b34801561042557600080fd5b50610170610434366004611208565b610b80565b60006301ffc9a760e01b6001600160e01b03198316148061046a57506380ac58cd60e01b6001600160e01b03198316145b806104855750635b5e139f60e01b6001600160e01b03198316145b92915050565b60606002805461049a9061123b565b80601f01602080910402602001604051908101604052809291908181526020018280546104c69061123b565b80156105135780601f106104e857610100808354040283529160200191610513565b820191906000526020600020905b8154815290600101906020018083116104f657829003601f168201915b5050505050905090565b600061052882610bae565b610545576040516333d1c03960e21b815260040160405180910390fd5b506000908152600660205260409020546001600160a01b031690565b600061056c82610800565b9050336001600160a01b038216146105a5576105888133610b80565b6105a5576040516367d9dca160e11b815260040160405180910390fd5b60008281526006602052604080822080546001600160a01b0319166001600160a01b0387811691821790925591518593918516917f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92591a4505050565b600061060c82610bd5565b9050836001600160a01b0316816001600160a01b03161461063f5760405162a1148160e81b815260040160405180910390fd5b60008281526006602052604090208054338082146001600160a01b0388169091141761068c5761066f8633610b80565b61068c57604051632ce44b5f60e11b815260040160405180910390fd5b6001600160a01b0385166106b357604051633a954ecd60e21b815260040160405180910390fd5b80156106be57600082555b6001600160a01b038681166000908152600560205260408082208054600019019055918716808252919020805460010190554260a01b17600160e11b17600085815260046020526040812091909155600160e11b841690036107505760018401600081815260046020526040812054900361074e57600054811461074e5760008181526004602052604090208490555b505b83856001600160a01b0316876001600160a01b03167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef60405160405180910390a45b505050505050565b600c546001600160a01b031633146107b157600080fd5b60405133904780156108fc02916000818181858888f193505050501580156107dd573d6000803e3d6000fd5b50565b6107fb83838360405180602001604052806000815250610b02565b505050565b600061048582610bd5565b60006001600160a01b038216610834576040516323d3ad8160e21b815260040160405180910390fd5b506001600160a01b031660009081526005602052604090205467ffffffffffffffff1690565b600c546001600160a01b0316331461087157600080fd5b600b92909255600955600855565b60606003805461049a9061123b565b600c546001600160a01b031633146108a557600080fd5b600d6108b182826112bb565b5050565b600854816108c66001546000540390565b6108d09190611391565b111561090f5760405162461bcd60e51b81526020600482015260096024820152684d6178537570706c7960b81b60448201526064015b60405180910390fd5b34158015610a005733321461094f5760405162461bcd60e51b8152602060048201526006602482015265139bc8109bdd60d21b6044820152606401610906565b600b5482111561098c5760405162461bcd60e51b8152602060048201526008602482015267546f6f204d6f726560c01b6044820152606401610906565b6009548261099d6001546000540390565b6109a79190611391565b11156109b257600080fd5b600b546109be3361080b565b106109f65760405162461bcd60e51b8152602060048201526008602482015267546f6f204d6f726560c01b6044820152606401610906565b6108b13383610c43565b600b54610a0d90836113a4565b600a54610a1a91906113b7565b3410156109f657600080fd5b336001600160a01b03831603610a4f5760405163b06307db60e01b815260040160405180910390fd5b3360008181526007602090815260408083206001600160a01b03871680855290835292819020805460ff191686151590811790915590519081529192917f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a35050565b600c546001600160a01b03163314610ad257600080fd5b60085481610ae36001546000540390565b610aed9190611391565b1115610af857600080fd5b6108b18282610c43565b610b0d848484610601565b6001600160a01b0383163b15610b4657610b2984848484610c5d565b610b46576040516368d2bf6b60e11b815260040160405180910390fd5b50505050565b6060600d610b5983610d49565b604051602001610b6a9291906113ce565b6040516020818303038152906040529050919050565b6001600160a01b03918216600090815260076020908152604080832093909416825291909152205460ff1690565b6000805482108015610485575050600090815260046020526040902054600160e01b161590565b600081600054811015610c2a5760008181526004602052604081205490600160e01b82169003610c28575b80600003610c21575060001901600081815260046020526040902054610c00565b9392505050565b505b604051636f96cda160e11b815260040160405180910390fd5b6108b1828260405180602001604052806000815250610d98565b604051630a85bd0160e11b81526000906001600160a01b0385169063150b7a0290610c92903390899088908890600401611465565b6020604051808303816000875af1925050508015610ccd575060408051601f3d908101601f19168201909252610cca918101906114a2565b60015b610d2b573d808015610cfb576040519150601f19603f3d011682016040523d82523d6000602084013e610d00565b606091505b508051600003610d23576040516368d2bf6b60e11b815260040160405180910390fd5b805181602001fd5b6001600160e01b031916630a85bd0160e11b1490505b949350505050565b604080516080810191829052607f0190826030600a8206018353600a90045b8015610d8657600183039250600a81066030018353600a9004610d68565b50819003601f19909101908152919050565b610da28383610e05565b6001600160a01b0383163b156107fb576000548281035b610dcc6000868380600101945086610c5d565b610de9576040516368d2bf6b60e11b815260040160405180910390fd5b818110610db9578160005414610dfe57600080fd5b5050505050565b6000805490829003610e2a5760405163b562e8dd60e01b815260040160405180910390fd5b6001600160a01b03831660008181526005602090815260408083208054680100000000000000018802019055848352600490915281206001851460e11b4260a01b178317905582840190839083907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef8180a4600183015b818114610ed957808360007fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef600080a4600101610ea1565b5081600003610efa57604051622e076360e81b815260040160405180910390fd5b60005550505050565b6001600160e01b0319811681146107dd57600080fd5b600060208284031215610f2b57600080fd5b8135610c2181610f03565b60005b83811015610f51578181015183820152602001610f39565b50506000910152565b60008151808452610f72816020860160208601610f36565b601f01601f19169290920160200192915050565b602081526000610c216020830184610f5a565b600060208284031215610fab57600080fd5b5035919050565b80356001600160a01b0381168114610fc957600080fd5b919050565b60008060408385031215610fe157600080fd5b610fea83610fb2565b946020939093013593505050565b60008060006060848603121561100d57600080fd5b61101684610fb2565b925061102460208501610fb2565b9150604084013590509250925092565b60006020828403121561104657600080fd5b610c2182610fb2565b60008060006060848603121561106457600080fd5b505081359360208301359350604090920135919050565b634e487b7160e01b600052604160045260246000fd5b600067ffffffffffffffff808411156110ac576110ac61107b565b604051601f8501601f19908116603f011681019082821181831017156110d4576110d461107b565b816040528093508581528686860111156110ed57600080fd5b858560208301376000602087830101525050509392505050565b60006020828403121561111957600080fd5b813567ffffffffffffffff81111561113057600080fd5b8201601f8101841361114157600080fd5b610d4184823560208401611091565b6000806040838503121561116357600080fd5b61116c83610fb2565b91506020830135801515811461118157600080fd5b809150509250929050565b600080600080608085870312156111a257600080fd5b6111ab85610fb2565b93506111b960208601610fb2565b925060408501359150606085013567ffffffffffffffff8111156111dc57600080fd5b8501601f810187136111ed57600080fd5b6111fc87823560208401611091565b91505092959194509250565b6000806040838503121561121b57600080fd5b61122483610fb2565b915061123260208401610fb2565b90509250929050565b600181811c9082168061124f57607f821691505b60208210810361126f57634e487b7160e01b600052602260045260246000fd5b50919050565b601f8211156107fb57600081815260208120601f850160051c8101602086101561129c5750805b601f850160051c820191505b81811015610792578281556001016112a8565b815167ffffffffffffffff8111156112d5576112d561107b565b6112e9816112e3845461123b565b84611275565b602080601f83116001811461131e57600084156113065750858301515b600019600386901b1c1916600185901b178555610792565b600085815260208120601f198616915b8281101561134d5788860151825594840194600190910190840161132e565b508582101561136b5787850151600019600388901b60f8161c191681555b5050505050600190811b01905550565b634e487b7160e01b600052601160045260246000fd5b808201808211156104855761048561137b565b818103818111156104855761048561137b565b80820281158282048414176104855761048561137b565b60008084546113dc8161123b565b600182811680156113f4576001811461140957611438565b60ff1984168752821515830287019450611438565b8860005260208060002060005b8581101561142f5781548a820152908401908201611416565b50505082870194505b50505050835161144c818360208801610f36565b64173539b7b760d91b9101908152600501949350505050565b6001600160a01b038581168252841660208201526040810183905260806060820181905260009061149890830184610f5a565b9695505050505050565b6000602082840312156114b457600080fd5b8151610c2181610f0356fea264697066735822122030a1d901475106a460859c97002fb701bd618a266abb4cc12dc1a98eeef9e2eb64736f6c63430008120033
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.