ERC-721
Overview
Max Total Supply
4,444 BESI
Holders
738
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
10 BESILoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
BearSitters
Compiler Version
v0.8.9+commit.e5eed63a
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; import "erc721a/contracts/ERC721A.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; contract BearSitters is ERC721A, Ownable, ReentrancyGuard { using Strings for uint256; string public uriPrefix; string public uriSuffix = ".json"; uint256 public cost = 0.005 ether; uint256 public maxSupply = 4444; uint256 public freeMints = 1111; uint256 public maxPerAddressLimit = 5; uint256 public maxPerTx = 5; bool public mintOpen = false; mapping(address => bool) public freeMintClaimed; constructor( string memory _tokenName, string memory _tokenSymbol, string memory _metadataUri ) ERC721A(_tokenName, _tokenSymbol) { setUriPrefix(_metadataUri); _safeMint(msg.sender, 50); } // ~~~~~~~~~~~~~~~~~~~~ Modifiers ~~~~~~~~~~~~~~~~~~~~ modifier mintCompliance(uint256 _mintAmount) { require( _mintAmount > 0 && _mintAmount <= maxPerTx, "Too many mints in one transaction!" ); require(msg.sender == tx.origin, "Contracts are not allowed"); require( totalSupply() + _mintAmount <= maxSupply, "Max supply exceeded!" ); _; } modifier mintPriceCompliance(uint256 _mintAmount) { if (!freeMintClaimed[msg.sender] && totalSupply() < freeMints) { if (_mintAmount > 1) { require( msg.value >= (cost * (_mintAmount - 1)), "Insufficient funds!" ); } } else { require(msg.value >= (cost * _mintAmount), "Insufficient funds!"); } _; } // ~~~~~~~~~~~~~~~~~~~~ Mint Functions ~~~~~~~~~~~~~~~~~~~~ function mint(uint256 _mintAmount) public payable mintCompliance(_mintAmount) mintPriceCompliance(_mintAmount) nonReentrant { require(mintOpen, "The contract is not open for minting!"); _safeMint(msg.sender, _mintAmount); freeMintClaimed[msg.sender] = true; } function mintForAddress(uint256 _mintAmount, address _receiver) public onlyOwner { require( totalSupply() + _mintAmount <= maxSupply, "Max supply exceeded!" ); _safeMint(_receiver, _mintAmount); } // ~~~~~~~~~~~~~~~~~~~~ Various Checks ~~~~~~~~~~~~~~~~~~~~ function _baseURI() internal view virtual override returns (string memory) { return uriPrefix; } function _startTokenId() internal view virtual override returns (uint256) { return 1; } function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) { require( _exists(_tokenId), "ERC721Metadata: URI query for nonexistent token" ); return bytes(uriPrefix).length > 0 ? string(abi.encodePacked(uriPrefix, _tokenId.toString(), uriSuffix)) : ""; } // ~~~~~~~~~~~~~~~~~~~~ onlyOwner Functions ~~~~~~~~~~~~~~~~~~~~ function setCost(uint256 _cost) public onlyOwner { cost = _cost; } function setMaxPerTx(uint256 _amountPerTx) public onlyOwner { maxPerTx = _amountPerTx; } function setUriPrefix(string memory _uriPrefix) public onlyOwner { uriPrefix = _uriPrefix; } function setUriSuffix(string memory _uriSuffix) public onlyOwner { uriSuffix = _uriSuffix; } function setMintState(bool _state) public onlyOwner { mintOpen = _state; } function setFreeMints(uint256 _freeQty) public onlyOwner { freeMints = _freeQty; } // ~~~~~~~~~~~~~~~~~~~~ Withdraw Functions ~~~~~~~~~~~~~~~~~~~~ function withdraw() public onlyOwner nonReentrant { uint256 contractBalance = address(this).balance; (bool hs, ) = payable(0xf4A0aE7C55AF0777668Fe6c30020520d6E4a37F6).call{ value: (contractBalance * 90) / 100 }(""); (bool os, ) = payable(owner()).call{ value: (contractBalance * 10) / 100 }(""); require(hs && os, "Withdraw failed"); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// SPDX-License-Identifier: MIT // 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 v4.2.2 // 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 { // 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 str) { assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), // but we allocate 0x80 bytes to keep the free memory pointer 32-byte word 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: 0x20 + 3 * 0x20 = 0x80. str := add(mload(0x40), 0x80) // Update the free memory pointer to allocate. mstore(0x40, str) // Cache the end of the memory to calculate the length later. let end := str // We write the string from rightmost digit to leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // prettier-ignore for { let temp := value } 1 {} { str := sub(str, 1) // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(str, add(48, mod(temp, 10))) // Keep dividing `temp` until zero. temp := div(temp, 10) // prettier-ignore if iszero(temp) { break } } let length := sub(end, str) // Move the pointer 32 bytes leftwards to make room for the length. str := sub(str, 0x20) // Store the length. mstore(str, length) } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.2 // 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(); /** * The caller cannot approve to their own address. */ error ApproveToCaller(); /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The token does not exist. */ error OwnerQueryForNonexistentToken(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * The token must be owned by `from`. */ error TransferFromIncorrectOwner(); /** * Cannot safely transfer to a contract that does not implement the * ERC721Receiver interface. */ error TransferToNonERC721ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * The token does not exist. */ error URIQueryForNonexistentToken(); /** * The `quantity` minted with ERC2309 exceeds the safety limit. */ error MintERC2309QuantityExceedsLimit(); /** * The `extraData` cannot be set on an unintialized ownership slot. */ error OwnershipNotInitializedForExtraData(); // ============================================================= // STRUCTS // ============================================================= struct TokenOwnership { // The address of the owner. address addr; // Stores the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}. uint24 extraData; } // ============================================================= // TOKEN COUNTERS // ============================================================= /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() external view returns (uint256); // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); // ============================================================= // IERC721 // ============================================================= /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables * (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, * checking first that contract recipients are aware of the ERC721 protocol * to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move * this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} * whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) external view returns (bool); // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); // ============================================================= // IERC2309 // ============================================================= /** * @dev Emitted when tokens in `fromTokenId` to `toTokenId` * (inclusive) is transferred from `from` to `to`, as defined in the * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard. * * See {_mintERC2309} for more details. */ event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to); }
// SPDX-License-Identifier: MIT // 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": true, "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":"_tokenName","type":"string"},{"internalType":"string","name":"_tokenSymbol","type":"string"},{"internalType":"string","name":"_metadataUri","type":"string"}],"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":"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":"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":"cost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"freeMintClaimed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"freeMints","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":"maxPerAddressLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxPerTx","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"},{"internalType":"address","name":"_receiver","type":"address"}],"name":"mintForAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mintOpen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_cost","type":"uint256"}],"name":"setCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_freeQty","type":"uint256"}],"name":"setFreeMints","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amountPerTx","type":"uint256"}],"name":"setMaxPerTx","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setMintState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uriPrefix","type":"string"}],"name":"setUriPrefix","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uriSuffix","type":"string"}],"name":"setUriSuffix","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uriPrefix","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"uriSuffix","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","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)
000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000000b4265617253697474657273000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000442455349000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000043697066733a2f2f62616679626569677566616461326936797362737a716f33666c64776b36646979797874716a6b6635377a6e797663756c327935326a6571716b612f0000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : _tokenName (string): BearSitters
Arg [1] : _tokenSymbol (string): BESI
Arg [2] : _metadataUri (string): ipfs://bafybeigufada2i6ysbszqo3fldwk6diyyxtqjkf57znyvcul2y52jeqqka/
-----Encoded View---------------
11 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [3] : 000000000000000000000000000000000000000000000000000000000000000b
Arg [4] : 4265617253697474657273000000000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [6] : 4245534900000000000000000000000000000000000000000000000000000000
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000043
Arg [8] : 697066733a2f2f62616679626569677566616461326936797362737a716f3366
Arg [9] : 6c64776b36646979797874716a6b6635377a6e797663756c327935326a657171
Arg [10] : 6b612f0000000000000000000000000000000000000000000000000000000000
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.