ERC-721
Overview
Max Total Supply
6,501 SNGLR
Holders
2,191
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
2 SNGLRLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
Singularity
Compiler Version
v0.8.7+commit.e28d00a7
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT //βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ //βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ //βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ //βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ //βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ //βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ pragma solidity ^0.8.4; import "https://github.com/chiru-labs/ERC721A/blob/main/contracts/ERC721A.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; contract Singularity is ERC721A, Ownable { constructor(string memory URI) ERC721A("Singularity", "SNGLR") { baseURI = URI; } string baseURI; function airdrop(address[] calldata addresses, uint256[] calldata quantities) external onlyOwner { for(uint i = 0; i<addresses.length; i++) { _mint(addresses[uint256(i)], quantities[uint256(i)]); } } function _baseURI() internal view virtual override returns (string memory) { return baseURI; } function setBaseURI(string calldata URI) external onlyOwner { baseURI = URI; } function viewBaseURI() public view returns(string memory) { return _baseURI(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.3 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721A.sol'; /** * @dev Interface of ERC721 token receiver. */ interface ERC721A__IERC721Receiver { function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } /** * @title ERC721A * * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721) * Non-Fungible Token Standard, including the Metadata extension. * Optimized for lower gas during batch mints. * * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...) * starting from `_startTokenId()`. * * Assumptions: * * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply. * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256). */ contract ERC721A is IERC721A { // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364). struct TokenApprovalRef { address value; } // ============================================================= // CONSTANTS // ============================================================= // Mask of an entry in packed address data. uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1; // The bit position of `numberMinted` in packed address data. uint256 private constant _BITPOS_NUMBER_MINTED = 64; // The bit position of `numberBurned` in packed address data. uint256 private constant _BITPOS_NUMBER_BURNED = 128; // The bit position of `aux` in packed address data. uint256 private constant _BITPOS_AUX = 192; // Mask of all 256 bits in packed address data except the 64 bits for `aux`. uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1; // The bit position of `startTimestamp` in packed ownership. uint256 private constant _BITPOS_START_TIMESTAMP = 160; // The bit mask of the `burned` bit in packed ownership. uint256 private constant _BITMASK_BURNED = 1 << 224; // The bit position of the `nextInitialized` bit in packed ownership. uint256 private constant _BITPOS_NEXT_INITIALIZED = 225; // The bit mask of the `nextInitialized` bit in packed ownership. uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225; // The bit position of `extraData` in packed ownership. uint256 private constant _BITPOS_EXTRA_DATA = 232; // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`. uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1; // The mask of the lower 160 bits for addresses. uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1; // The maximum `quantity` that can be minted with {_mintERC2309}. // This limit is to prevent overflows on the address data entries. // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309} // is required to cause an overflow, which is unrealistic. uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000; // The `Transfer` event signature is given by: // `keccak256(bytes("Transfer(address,address,uint256)"))`. bytes32 private constant _TRANSFER_EVENT_SIGNATURE = 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef; // ============================================================= // STORAGE // ============================================================= // The next token ID to be minted. uint256 private _currentIndex; // The number of tokens burned. uint256 private _burnCounter; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to ownership details // An empty struct value does not necessarily mean the token is unowned. // See {_packedOwnershipOf} implementation for details. // // Bits Layout: // - [0..159] `addr` // - [160..223] `startTimestamp` // - [224] `burned` // - [225] `nextInitialized` // - [232..255] `extraData` mapping(uint256 => uint256) private _packedOwnerships; // Mapping owner address to address data. // // Bits Layout: // - [0..63] `balance` // - [64..127] `numberMinted` // - [128..191] `numberBurned` // - [192..255] `aux` mapping(address => uint256) private _packedAddressData; // Mapping from token ID to approved address. mapping(uint256 => TokenApprovalRef) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID. * To change the starting token ID, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return _currentIndex; } /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() public view virtual override returns (uint256) { // Counter underflow is impossible as _burnCounter cannot be incremented // more than `_currentIndex - _startTokenId()` times. unchecked { return _currentIndex - _burnCounter - _startTokenId(); } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { return _currentIndex - _startTokenId(); } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } // ============================================================= // ADDRESS DATA OPERATIONS // ============================================================= /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) public view virtual override returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { return uint64(_packedAddressData[owner] >> _BITPOS_AUX); } /** * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal virtual { uint256 packed = _packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); _packedAddressData[owner] = packed; } // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { // The interface IDs are constants representing the first 4 bytes // of the XOR of all function selectors in the interface. // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165) // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`) return interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165. interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721. interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata. } // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : ''; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, it can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } // ============================================================= // OWNERSHIPS OPERATIONS // ============================================================= /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { return address(uint160(_packedOwnershipOf(tokenId))); } /** * @dev Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around over time. */ function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnershipOf(tokenId)); } /** * @dev Returns the unpacked `TokenOwnership` struct at `index`. */ function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnerships[index]); } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (_packedOwnerships[index] == 0) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) { uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr) if (curr < _currentIndex) { uint256 packed = _packedOwnerships[curr]; // If not burned. if (packed & _BITMASK_BURNED == 0) { // Invariant: // There will always be an initialized ownership slot // (i.e. `ownership.addr != address(0) && ownership.burned == false`) // before an unintialized ownership slot // (i.e. `ownership.addr == address(0) && ownership.burned == false`) // Hence, `curr` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. while (packed == 0) { packed = _packedOwnerships[--curr]; } return packed; } } } revert OwnerQueryForNonexistentToken(); } /** * @dev Returns the unpacked `TokenOwnership` struct from `packed`. */ function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) { ownership.addr = address(uint160(packed)); ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP); ownership.burned = packed & _BITMASK_BURNED != 0; ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA); } /** * @dev Packs ownership data into a single uint256. */ function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`. result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags)) } } /** * @dev Returns the `nextInitialized` flag set if `quantity` equals 1. */ function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) { // For branchless setting of the `nextInitialized` flag. assembly { // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`. result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1)) } } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) public payable virtual override { address owner = ownerOf(tokenId); if (_msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { revert ApprovalCallerNotOwnerNorApproved(); } _tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return _tokenApprovals[tokenId].value; } /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) public virtual override { _operatorApprovals[_msgSenderERC721A()][operator] = approved; emit ApprovalForAll(_msgSenderERC721A(), operator, approved); } /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted. See {_mint}. */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _startTokenId() <= tokenId && tokenId < _currentIndex && // If within bounds, _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned. } /** * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`. */ function _isSenderApprovedOrOwner( address approvedAddress, address owner, address msgSender ) private pure returns (bool result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean. msgSender := and(msgSender, _BITMASK_ADDRESS) // `msgSender == owner || msgSender == approvedAddress`. result := or(eq(msgSender, owner), eq(msgSender, approvedAddress)) } } /** * @dev Returns the storage slot and value for the approved address of `tokenId`. */ function _getApprovedSlotAndAddress(uint256 tokenId) private view returns (uint256 approvedAddressSlot, address approvedAddress) { TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId]; // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`. assembly { approvedAddressSlot := tokenApproval.slot approvedAddress := sload(approvedAddressSlot) } } // ============================================================= // TRANSFER OPERATIONS // ============================================================= /** * @dev Transfers `tokenId` from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) public payable virtual override { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner(); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); if (to == address(0)) revert TransferToZeroAddress(); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // We can directly increment and decrement the balances. --_packedAddressData[from]; // Updates: `balance -= 1`. ++_packedAddressData[to]; // Updates: `balance += 1`. // Updates: // - `address` to the next owner. // - `startTimestamp` to the timestamp of transfering. // - `burned` to `false`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( to, _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public payable virtual override { safeTransferFrom(from, to, tokenId, ''); } /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public payable virtual override { transferFrom(from, to, tokenId); if (to.code.length != 0) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } /** * @dev Hook that is called before a set of serially-ordered token IDs * are about to be transferred. This includes minting. * And also called before burning one token. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token IDs * have been transferred. This includes minting. * And also called after one token has been burned. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been * transferred to `to`. * - When `from` is zero, `tokenId` has been minted for `to`. * - When `to` is zero, `tokenId` has been burned by `from`. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * `from` - Previous owner of the given token ID. * `to` - Target address that will receive the token. * `tokenId` - Token ID to be transferred. * `_data` - Optional data to send along with the call. * * Returns whether the call correctly returned the expected magic value. */ function _checkContractOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns ( bytes4 retval ) { return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert TransferToNonERC721ReceiverImplementer(); } else { assembly { revert(add(32, reason), mload(reason)) } } } } // ============================================================= // MINT OPERATIONS // ============================================================= /** * @dev Mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {Transfer} event for each mint. */ function _mint(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (quantity == 0) revert MintZeroQuantity(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are incredibly unrealistic. // `balance` and `numberMinted` have a maximum limit of 2**64. // `tokenId` has a maximum limit of 2**256. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); uint256 toMasked; uint256 end = startTokenId + quantity; // Use assembly to loop and emit the `Transfer` event for gas savings. // The duplicated `log4` removes an extra check and reduces stack juggling. // The assembly, together with the surrounding Solidity code, have been // delicately arranged to nudge the compiler into producing optimized opcodes. assembly { // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. toMasked := and(to, _BITMASK_ADDRESS) // Emit the `Transfer` event. log4( 0, // Start of data (0, since no data). 0, // End of data (0, since no data). _TRANSFER_EVENT_SIGNATURE, // Signature. 0, // `address(0)`. toMasked, // `to`. startTokenId // `tokenId`. ) // The `iszero(eq(,))` check ensures that large values of `quantity` // that overflows uint256 will make the loop run out of gas. // The compiler will optimize the `iszero` away for performance. for { let tokenId := add(startTokenId, 1) } iszero(eq(tokenId, end)) { tokenId := add(tokenId, 1) } { // Emit the `Transfer` event. Similar to above. log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId) } } if (toMasked == 0) revert MintToZeroAddress(); _currentIndex = end; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Mints `quantity` tokens and transfers them to `to`. * * This function is intended for efficient minting only during contract creation. * * It emits only one {ConsecutiveTransfer} as defined in * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309), * instead of a sequence of {Transfer} event(s). * * Calling this function outside of contract creation WILL make your contract * non-compliant with the ERC721 standard. * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309 * {ConsecutiveTransfer} event is only permissible during contract creation. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {ConsecutiveTransfer} event. */ function _mintERC2309(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are unrealistic due to the above check for `quantity` to be below the limit. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to); _currentIndex = startTokenId + quantity; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * See {_mint}. * * Emits a {Transfer} event for each mint. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal virtual { _mint(to, quantity); unchecked { if (to.code.length != 0) { uint256 end = _currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (index < end); // Reentrancy protection. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } // ============================================================= // BURN OPERATIONS // ============================================================= /** * @dev Equivalent to `_burn(tokenId, false)`. */ function _burn(uint256 tokenId) internal virtual { _burn(tokenId, false); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId, bool approvalCheck) internal virtual { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); address from = address(uint160(prevOwnershipPacked)); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); if (approvalCheck) { // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); } _beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // Updates: // - `balance -= 1`. // - `numberBurned += 1`. // // We can directly decrement the balance, and increment the number burned. // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`. _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1; // Updates: // - `address` to the last owner. // - `startTimestamp` to the timestamp of burning. // - `burned` to `true`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( from, (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times. unchecked { _burnCounter++; } } // ============================================================= // EXTRA DATA OPERATIONS // ============================================================= /** * @dev Directly sets the extra data for the ownership data `index`. */ function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual { uint256 packed = _packedOwnerships[index]; if (packed == 0) revert OwnershipNotInitializedForExtraData(); uint256 extraDataCasted; // Cast `extraData` with assembly to avoid redundant masking. assembly { extraDataCasted := extraData } packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA); _packedOwnerships[index] = packed; } /** * @dev Called during each token transfer to set the 24bit `extraData` field. * Intended to be overridden by the cosumer contract. * * `previousExtraData` - the value of `extraData` before transfer. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _extraData( address from, address to, uint24 previousExtraData ) internal view virtual returns (uint24) {} /** * @dev Returns the next extra data for the packed ownership data. * The returned result is shifted into position. */ function _nextExtraData( address from, address to, uint256 prevOwnershipPacked ) private view returns (uint256) { uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA); return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA; } // ============================================================= // OTHER OPERATIONS // ============================================================= /** * @dev Returns the message sender (defaults to `msg.sender`). * * If you are writing GSN compatible contracts, you need to override this function. */ function _msgSenderERC721A() internal view virtual returns (address) { return msg.sender; } /** * @dev Converts a uint256 to its ASCII string decimal representation. */ function _toString(uint256 value) internal pure virtual returns (string memory str) { assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), but // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned. // We will need 1 word for the trailing zeros padding, 1 word for the length, // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0. let m := add(mload(0x40), 0xa0) // Update the free memory pointer to allocate. mstore(0x40, m) // Assign the `str` to the end. str := sub(m, 0x20) // Zeroize the slot after the string. mstore(str, 0) // Cache the end of the memory to calculate the length later. let end := str // We write the string from rightmost digit to leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // prettier-ignore for { let temp := value } 1 {} { str := sub(str, 1) // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(str, add(48, mod(temp, 10))) // Keep dividing `temp` until zero. temp := div(temp, 10) // prettier-ignore if iszero(temp) { break } } let length := sub(end, str) // Move the pointer 32 bytes leftwards to make room for the length. str := sub(str, 0x20) // Store the length. mstore(str, length) } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.3 // Creator: Chiru Labs pragma solidity ^0.8.4; /** * @dev Interface of ERC721A. */ interface IERC721A { /** * The caller must own the token or be an approved operator. */ error ApprovalCallerNotOwnerNorApproved(); /** * The token does not exist. */ error ApprovalQueryForNonexistentToken(); /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The token does not exist. */ error OwnerQueryForNonexistentToken(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * The token must be owned by `from`. */ error TransferFromIncorrectOwner(); /** * Cannot safely transfer to a contract that does not implement the * ERC721Receiver interface. */ error TransferToNonERC721ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * The token does not exist. */ error URIQueryForNonexistentToken(); /** * The `quantity` minted with ERC2309 exceeds the safety limit. */ error MintERC2309QuantityExceedsLimit(); /** * The `extraData` cannot be set on an unintialized ownership slot. */ error OwnershipNotInitializedForExtraData(); // ============================================================= // STRUCTS // ============================================================= struct TokenOwnership { // The address of the owner. address addr; // Stores the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}. uint24 extraData; } // ============================================================= // TOKEN COUNTERS // ============================================================= /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() external view returns (uint256); // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); // ============================================================= // IERC721 // ============================================================= /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables * (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, * checking first that contract recipients are aware of the ERC721 protocol * to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move * this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external payable; /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external payable; /** * @dev Transfers `tokenId` from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} * whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external payable; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external payable; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) external view returns (bool); // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); // ============================================================= // IERC2309 // ============================================================= /** * @dev Emitted when tokens in `fromTokenId` to `toTokenId` * (inclusive) is transferred from `from` to `to`, as defined in the * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard. * * See {_mintERC2309} for more details. */ event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
{ "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"string","name":"URI","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address[]","name":"addresses","type":"address[]"},{"internalType":"uint256[]","name":"quantities","type":"uint256[]"}],"name":"airdrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"URI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"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":"viewBaseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002468747470733a2f2f6d657461646174612e6d76332e696f2f73696e67756c61726974792f00000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : URI (string): https://metadata.mv3.io/singularity/
-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000024
Arg [2] : 68747470733a2f2f6d657461646174612e6d76332e696f2f73696e67756c6172
Arg [3] : 6974792f00000000000000000000000000000000000000000000000000000000
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.