Feature Tip: Add private address tag to any address under My Name Tag !
ERC-721
Overview
Max Total Supply
5,360 DLP
Holders
1,397
Market
Volume (24H)
0.0297 ETH
Min Price (24H)
$34.29 @ 0.009900 ETH
Max Price (24H)
$34.29 @ 0.009900 ETH
Other Info
Token Contract
Balance
103 DLPLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Source Code Verified (Exact Match)
Contract Name:
DelabsLibrePass
Compiler Version
v0.8.28+commit.7893614a
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.28; import "./ERC721A.sol"; import "@openzeppelin/[email protected]/utils/Address.sol"; import "@openzeppelin/[email protected]/access/Ownable.sol"; import "@openzeppelin/[email protected]/token/common/ERC2981.sol"; import "@openzeppelin/[email protected]/security/ReentrancyGuard.sol"; contract DelabsLibrePass is ERC721A, Ownable, ReentrancyGuard, ERC2981 { using Address for address; uint256 public maxSupply = 5360; string private baseURI; constructor() ERC721A("DelabsLibrePass", "DLP") { _setDefaultRoyalty(msg.sender, 500); baseURI = "https://api.delabs.gg/librepass/"; } // @dev Airdrops tokens // @param _walletAddress The wallet address // @param _quantity The quantity function airdropToken(address[] calldata _walletAddress, uint256[] calldata _quantity) external onlyOwner { require(_walletAddress.length > 0, "DLP: invalid wallet length"); require(_walletAddress.length == _quantity.length, "DLP: invalid quantity length"); for( uint256 i = 0; i < _walletAddress.length; ++i){ require(_nextTokenId()+_quantity[i] <= maxSupply + 1, "DLP: exceed max quantity"); _safeMint(_walletAddress[i],_quantity[i]); } } function withdraw() external onlyOwner nonReentrant{ uint256 balance = address(this).balance; payable(msg.sender).transfer(balance); } function multiTransfer(address[] calldata _to, uint256[] calldata tokenIds) external onlyOwner nonReentrant { for( uint256 i = 0; i < _to.length; ++i){ transferFrom(msg.sender, _to[i], tokenIds[i]); } } function setBaseURI(string memory uri) external onlyOwner { baseURI = uri; } function setMaxSupply(uint256 _maxSupply) external onlyOwner { maxSupply = _maxSupply; } function _baseURI() internal view override returns (string memory) { return baseURI; } function _startTokenId() internal pure override returns (uint256) { return 1; } function supportsInterface(bytes4 interfaceId) public view virtual override (ERC721A, ERC2981) returns (bool) { // Supports the following `interfaceId`s: // - IERC165: 0x01ffc9a7 // - IERC721: 0x80ac58cd // - IERC721Metadata: 0x5b5e139f // - IERC2981: 0x2a55205a return ERC721A.supportsInterface(interfaceId) || ERC2981.supportsInterface(interfaceId); } function setDefaultRoyalty(address receiver, uint96 feeNumerator) public onlyOwner { _setDefaultRoyalty(receiver, feeNumerator); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { _nonReentrantBefore(); _; _nonReentrantAfter(); } function _nonReentrantBefore() private { // On the first call to nonReentrant, _status will be _NOT_ENTERED require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; } function _nonReentrantAfter() private { // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } /** * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a * `nonReentrant` function in the call stack. */ function _reentrancyGuardEntered() internal view returns (bool) { return _status == _ENTERED; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/common/ERC2981.sol) pragma solidity ^0.8.0; import "../../interfaces/IERC2981.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information. * * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first. * * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the * fee is specified in basis points by default. * * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported. * * _Available since v4.5._ */ abstract contract ERC2981 is IERC2981, ERC165 { struct RoyaltyInfo { address receiver; uint96 royaltyFraction; } RoyaltyInfo private _defaultRoyaltyInfo; mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) { return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId); } /** * @inheritdoc IERC2981 */ function royaltyInfo(uint256 tokenId, uint256 salePrice) public view virtual override returns (address, uint256) { RoyaltyInfo memory royalty = _tokenRoyaltyInfo[tokenId]; if (royalty.receiver == address(0)) { royalty = _defaultRoyaltyInfo; } uint256 royaltyAmount = (salePrice * royalty.royaltyFraction) / _feeDenominator(); return (royalty.receiver, royaltyAmount); } /** * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an * override. */ function _feeDenominator() internal pure virtual returns (uint96) { return 10000; } /** * @dev Sets the royalty information that all ids in this contract will default to. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: invalid receiver"); _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Removes default royalty information. */ function _deleteDefaultRoyalty() internal virtual { delete _defaultRoyaltyInfo; } /** * @dev Sets the royalty information for a specific token id, overriding the global default. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: Invalid parameters"); _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Resets royalty information for the token id back to the global default. */ function _resetTokenRoyalty(uint256 tokenId) internal virtual { delete _tokenRoyaltyInfo[tokenId]; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (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. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling 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 // OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * * Furthermore, `isContract` will also return true if the target contract within * the same transaction is already scheduled for destruction by `SELFDESTRUCT`, * which only has an effect at the end of a transaction. * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.3.0 // 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()`. * * The `_sequentialUpTo()` function can be overriden to enable spot mints * (i.e. non-consecutive mints) for `tokenId`s greater than `_sequentialUpTo()`. * * 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; // The amount of tokens minted above `_sequentialUpTo()`. // We call these spot mints (i.e. non-sequential mints). uint256 private _spotMinted; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); if (_sequentialUpTo() < _startTokenId()) _revert(SequentialUpToTooSmall.selector); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID for sequential mints. * * Override this function to change the starting token ID for sequential mints. * * Note: The value returned must never change after any tokens have been minted. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the maximum token ID (inclusive) for sequential mints. * * Override this function to return a value less than 2**256 - 1, * but greater than `_startTokenId()`, to enable spot (non-sequential) mints. * * Note: The value returned must never change after any tokens have been minted. */ function _sequentialUpTo() internal view virtual returns (uint256) { return type(uint256).max; } /** * @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 result) { // Counter underflow is impossible as `_burnCounter` cannot be incremented // more than `_currentIndex + _spotMinted - _startTokenId()` times. unchecked { // With spot minting, the intermediate `result` can be temporarily negative, // and the computation must be unchecked. result = _currentIndex - _burnCounter - _startTokenId(); if (_sequentialUpTo() != type(uint256).max) result += _spotMinted; } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256 result) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { result = _currentIndex - _startTokenId(); if (_sequentialUpTo() != type(uint256).max) result += _spotMinted; } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } /** * @dev Returns the total number of tokens that are spot-minted. */ function _totalSpotMinted() internal view virtual returns (uint256) { return _spotMinted; } // ============================================================= // 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.selector); 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.selector); 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 Returns whether the ownership slot at `index` is initialized. * An uninitialized slot does not necessarily mean that the slot has no owner. */ function _ownershipIsInitialized(uint256 index) internal view virtual returns (bool) { return _packedOwnerships[index] != 0; } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (_packedOwnerships[index] == uint256(0)) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * @dev Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256 packed) { if (_startTokenId() <= tokenId) { packed = _packedOwnerships[tokenId]; if (tokenId > _sequentialUpTo()) { if (_packedOwnershipExists(packed)) return packed; _revert(OwnerQueryForNonexistentToken.selector); } // If the data at the starting slot does not exist, start the scan. if (packed == uint256(0)) { if (tokenId >= _currentIndex) _revert(OwnerQueryForNonexistentToken.selector); // 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, `tokenId` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. for (;;) { unchecked { packed = _packedOwnerships[--tokenId]; } if (packed == uint256(0)) continue; if (packed & _BITMASK_BURNED == uint256(0)) return packed; // Otherwise, the token is burned, and we must revert. // This handles the case of batch burned tokens, where only the burned bit // of the starting slot is set, and remaining slots are left uninitialized. _revert(OwnerQueryForNonexistentToken.selector); } } // Otherwise, the data exists and we can skip the scan. // This is possible because we have already achieved the target condition. // This saves 2143 gas on transfers of initialized tokens. // If the token is not burned, return `packed`. Otherwise, revert. if (packed & _BITMASK_BURNED == uint256(0)) return packed; } _revert(OwnerQueryForNonexistentToken.selector); } /** * @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. See {ERC721A-_approve}. * * Requirements: * * - The caller must own the token or be an approved operator. */ function approve(address to, uint256 tokenId) public payable virtual override { _approve(to, tokenId, true); } /** * @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.selector); 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 result) { if (_startTokenId() <= tokenId) { if (tokenId > _sequentialUpTo()) return _packedOwnershipExists(_packedOwnerships[tokenId]); if (tokenId < _currentIndex) { uint256 packed; while ((packed = _packedOwnerships[tokenId]) == uint256(0)) --tokenId; result = packed & _BITMASK_BURNED == uint256(0); } } } /** * @dev Returns whether `packed` represents a token that exists. */ function _packedOwnershipExists(uint256 packed) private pure returns (bool result) { assembly { // The following is equivalent to `owner != address(0) && burned == false`. // Symbolically tested. result := gt(and(packed, _BITMASK_ADDRESS), and(packed, _BITMASK_BURNED)) } } /** * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`. */ function _isSenderApprovedOrOwner( uint256 approvedAddressValue, uint256 ownerMasked, uint256 msgSenderMasked ) private pure returns (bool result) { assembly { result := or(eq(msgSenderMasked, ownerMasked), eq(msgSenderMasked, approvedAddressValue)) } } /** * @dev Returns the storage slot and value for the approved address of `tokenId` casted to a uint256. */ function _getApprovedSlotAndValue(uint256 tokenId) private view returns (uint256 approvedAddressSlot, uint256 approvedAddressValue) { TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId]; // The following is equivalent to `approvedAddressValue = uint160(_tokenApprovals[tokenId].value)`. assembly { approvedAddressSlot := tokenApproval.slot approvedAddressValue := 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); uint256 fromMasked = uint160(from); if (uint160(prevOwnershipPacked) != fromMasked) _revert(TransferFromIncorrectOwner.selector); (uint256 approvedAddressSlot, uint256 approvedAddressValue) = _getApprovedSlotAndValue(tokenId); // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddressValue, fromMasked, uint160(_msgSenderERC721A()))) if (!isApprovedForAll(from, _msgSenderERC721A())) _revert(TransferCallerNotOwnerNorApproved.selector); _beforeTokenTransfers(from, to, tokenId, 1); assembly { if approvedAddressValue { sstore(approvedAddressSlot, 0) // Equivalent to `delete _tokenApprovals[tokenId]`. } } // 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 == uint256(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] == uint256(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; } } } } // Mask to the lower 160 bits, in case the upper bits somehow aren't clean. uint256 toMasked = uint160(to); assembly { // 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. fromMasked, // `from`. toMasked, // `to`. tokenId // `tokenId`. ) } if (toMasked == uint256(0)) _revert(TransferToZeroAddress.selector); _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.selector); } } /** * @dev Equivalent to `_batchTransferFrom(from, to, tokenIds)`. */ function _batchTransferFrom( address from, address to, uint256[] memory tokenIds ) internal virtual { _batchTransferFrom(address(0), from, to, tokenIds); } /** * @dev Transfers `tokenIds` in batch from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenIds` tokens must be owned by `from`. * - `tokenIds` must be strictly ascending. * - If `by` is not `from`, it must be approved to move these tokens * by either {approve} or {setApprovalForAll}. * * `by` is the address that to check token approval for. * If token approval check is not needed, pass in `address(0)` for `by`. * * Emits a {Transfer} event for each transfer. */ function _batchTransferFrom( address by, address from, address to, uint256[] memory tokenIds ) internal virtual { uint256 byMasked = uint160(by); uint256 fromMasked = uint160(from); uint256 toMasked = uint160(to); // Disallow transfer to zero address. if (toMasked == uint256(0)) _revert(TransferToZeroAddress.selector); // Whether `by` may transfer the tokens. bool mayTransfer = _orERC721A(byMasked == uint256(0), byMasked == fromMasked) || isApprovedForAll(from, by); // Early return if `tokenIds` is empty. if (tokenIds.length == uint256(0)) return; // The next `tokenId` to be minted (i.e. `_nextTokenId()`). uint256 end = _currentIndex; // Pointer to start and end (exclusive) of `tokenIds`. (uint256 ptr, uint256 ptrEnd) = _mdataERC721A(tokenIds); uint256 prevTokenId; uint256 prevOwnershipPacked; unchecked { do { uint256 tokenId = _mloadERC721A(ptr); uint256 miniBatchStart = tokenId; // Revert `tokenId` is out of bounds. if (_orERC721A(tokenId < _startTokenId(), end <= tokenId)) _revert(OwnerQueryForNonexistentToken.selector); // Revert if `tokenIds` is not strictly ascending. if (prevOwnershipPacked != 0) if (tokenId <= prevTokenId) _revert(TokenIdsNotStrictlyAscending.selector); // Scan backwards for an initialized packed ownership slot. // ERC721A's invariant guarantees that there will always be an initialized slot as long as // the start of the backwards scan falls within `[_startTokenId() .. _nextTokenId())`. for (uint256 j = tokenId; (prevOwnershipPacked = _packedOwnerships[j]) == uint256(0); ) --j; // If the initialized slot is burned, revert. if (prevOwnershipPacked & _BITMASK_BURNED != 0) _revert(OwnerQueryForNonexistentToken.selector); // Check that `tokenId` is owned by `from`. if (uint160(prevOwnershipPacked) != fromMasked) _revert(TransferFromIncorrectOwner.selector); do { (uint256 approvedAddressSlot, uint256 approvedAddressValue) = _getApprovedSlotAndValue(tokenId); _beforeTokenTransfers(address(uint160(fromMasked)), address(uint160(toMasked)), tokenId, 1); // Revert if the sender is not authorized to transfer the token. if (!mayTransfer) if (byMasked != approvedAddressValue) _revert(TransferCallerNotOwnerNorApproved.selector); assembly { if approvedAddressValue { sstore(approvedAddressSlot, 0) // Equivalent to `delete _tokenApprovals[tokenId]`. } // Emit the `Transfer` event. log4(0, 0, _TRANSFER_EVENT_SIGNATURE, fromMasked, toMasked, tokenId) } if (_mloadERC721A(ptr += 0x20) != ++tokenId) break; if (ptr == ptrEnd) break; } while (_packedOwnerships[tokenId] == uint256(0)); // Updates tokenId: // - `address` to the next owner. // - `startTimestamp` to the timestamp of transferring. // - `burned` to `false`. // - `nextInitialized` to `false`, as it is optional. _packedOwnerships[miniBatchStart] = _packOwnershipData( address(uint160(toMasked)), _nextExtraData(address(uint160(fromMasked)), address(uint160(toMasked)), prevOwnershipPacked) ); uint256 miniBatchLength = tokenId - miniBatchStart; // Update the address data. _packedAddressData[address(uint160(fromMasked))] -= miniBatchLength; _packedAddressData[address(uint160(toMasked))] += miniBatchLength; // Initialize the next slot if needed. if (tokenId != end) if (_packedOwnerships[tokenId] == uint256(0)) _packedOwnerships[tokenId] = prevOwnershipPacked; // Perform the after hook for the batch. _afterTokenTransfers( address(uint160(fromMasked)), address(uint160(toMasked)), miniBatchStart, miniBatchLength ); // Set the `prevTokenId` for checking that the `tokenIds` is strictly ascending. prevTokenId = tokenId - 1; } while (ptr != ptrEnd); } } /** * @dev Safely transfers `tokenIds` in batch from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenIds` tokens must be owned by `from`. * - If `by` is not `from`, it must be approved to move these tokens * by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called for each transferred token. * * `by` is the address that to check token approval for. * If token approval check is not needed, pass in `address(0)` for `by`. * * Emits a {Transfer} event for each transfer. */ function _safeBatchTransferFrom( address by, address from, address to, uint256[] memory tokenIds, bytes memory _data ) internal virtual { _batchTransferFrom(by, from, to, tokenIds); unchecked { if (to.code.length != 0) { for ((uint256 ptr, uint256 ptrEnd) = _mdataERC721A(tokenIds); ptr != ptrEnd; ptr += 0x20) { if (!_checkContractOnERC721Received(from, to, _mloadERC721A(ptr), _data)) { _revert(TransferToNonERC721ReceiverImplementer.selector); } } } } } /** * @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 == uint256(0)) { _revert(TransferToNonERC721ReceiverImplementer.selector); } 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 == uint256(0)) _revert(MintZeroQuantity.selector); _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: // - `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) ); // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Mask to the lower 160 bits, in case the upper bits somehow aren't clean. uint256 toMasked = uint160(to); if (toMasked == uint256(0)) _revert(MintToZeroAddress.selector); uint256 end = startTokenId + quantity; uint256 tokenId = startTokenId; if (end - 1 > _sequentialUpTo()) _revert(SequentialMintExceedsLimit.selector); do { assembly { // 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`. tokenId // `tokenId`. ) } // The `!=` check ensures that large values of `quantity` // that overflows uint256 will make the loop run out of gas. } while (++tokenId != end); _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.selector); if (quantity == uint256(0)) _revert(MintZeroQuantity.selector); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) _revert(MintERC2309QuantityExceedsLimit.selector); _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) ); if (startTokenId + quantity - 1 > _sequentialUpTo()) _revert(SequentialMintExceedsLimit.selector); 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.selector); } } while (index < end); // This prevents reentrancy to `_safeMint`. // It does not prevent reentrancy to `_safeMintSpot`. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } /** * @dev Mints a single token at `tokenId`. * * Note: A spot-minted `tokenId` that has been burned can be re-minted again. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` must be greater than `_sequentialUpTo()`. * - `tokenId` must not exist. * * Emits a {Transfer} event for each mint. */ function _mintSpot(address to, uint256 tokenId) internal virtual { if (tokenId <= _sequentialUpTo()) _revert(SpotMintTokenIdTooSmall.selector); uint256 prevOwnershipPacked = _packedOwnerships[tokenId]; if (_packedOwnershipExists(prevOwnershipPacked)) _revert(TokenAlreadyExists.selector); _beforeTokenTransfers(address(0), to, tokenId, 1); // Overflows are incredibly unrealistic. // The `numberMinted` for `to` is incremented by 1, and has a max limit of 2**64 - 1. // `_spotMinted` is incremented by 1, and has a max limit of 2**256 - 1. unchecked { // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `true` (as `quantity == 1`). _packedOwnerships[tokenId] = _packOwnershipData( to, _nextInitializedFlag(1) | _nextExtraData(address(0), to, prevOwnershipPacked) ); // Updates: // - `balance += 1`. // - `numberMinted += 1`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += (1 << _BITPOS_NUMBER_MINTED) | 1; // Mask to the lower 160 bits, in case the upper bits somehow aren't clean. uint256 toMasked = uint160(to); if (toMasked == uint256(0)) _revert(MintToZeroAddress.selector); assembly { // 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`. tokenId // `tokenId`. ) } ++_spotMinted; } _afterTokenTransfers(address(0), to, tokenId, 1); } /** * @dev Safely mints a single token at `tokenId`. * * Note: A spot-minted `tokenId` that has been burned can be re-minted again. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}. * - `tokenId` must be greater than `_sequentialUpTo()`. * - `tokenId` must not exist. * * See {_mintSpot}. * * Emits a {Transfer} event. */ function _safeMintSpot( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mintSpot(to, tokenId); unchecked { if (to.code.length != 0) { uint256 currentSpotMinted = _spotMinted; if (!_checkContractOnERC721Received(address(0), to, tokenId, _data)) { _revert(TransferToNonERC721ReceiverImplementer.selector); } // This prevents reentrancy to `_safeMintSpot`. // It does not prevent reentrancy to `_safeMint`. if (_spotMinted != currentSpotMinted) revert(); } } } /** * @dev Equivalent to `_safeMintSpot(to, tokenId, '')`. */ function _safeMintSpot(address to, uint256 tokenId) internal virtual { _safeMintSpot(to, tokenId, ''); } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Equivalent to `_approve(to, tokenId, false)`. */ function _approve(address to, uint256 tokenId) internal virtual { _approve(to, tokenId, false); } /** * @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: * * - `tokenId` must exist. * * Emits an {Approval} event. */ function _approve( address to, uint256 tokenId, bool approvalCheck ) internal virtual { address owner = ownerOf(tokenId); if (approvalCheck && _msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { _revert(ApprovalCallerNotOwnerNorApproved.selector); } _tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } // ============================================================= // 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); uint256 fromMasked = uint160(prevOwnershipPacked); address from = address(uint160(fromMasked)); (uint256 approvedAddressSlot, uint256 approvedAddressValue) = _getApprovedSlotAndValue(tokenId); if (approvalCheck) { // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddressValue, fromMasked, uint160(_msgSenderERC721A()))) if (!isApprovedForAll(from, _msgSenderERC721A())) _revert(TransferCallerNotOwnerNorApproved.selector); } _beforeTokenTransfers(from, address(0), tokenId, 1); assembly { if approvedAddressValue { sstore(approvedAddressSlot, 0) // Equivalent to `delete _tokenApprovals[tokenId]`. } } // 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 == uint256(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] == uint256(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 + _spotMinted` times. unchecked { _burnCounter++; } } /** * @dev Destroys `tokenIds`. * Approvals are not cleared when tokenIds are burned. * * Requirements: * * - `tokenIds` must exist. * - `tokenIds` must be strictly ascending. * - `by` must be approved to burn these tokens by either {approve} or {setApprovalForAll}. * * `by` is the address that to check token approval for. * If token approval check is not needed, pass in `address(0)` for `by`. * * Emits a {Transfer} event for each token burned. */ function _batchBurn(address by, uint256[] memory tokenIds) internal virtual { // Early return if `tokenIds` is empty. if (tokenIds.length == uint256(0)) return; // The next `tokenId` to be minted (i.e. `_nextTokenId()`). uint256 end = _currentIndex; // Pointer to start and end (exclusive) of `tokenIds`. (uint256 ptr, uint256 ptrEnd) = _mdataERC721A(tokenIds); uint256 prevOwnershipPacked; address prevTokenOwner; uint256 prevTokenId; bool mayBurn; unchecked { do { uint256 tokenId = _mloadERC721A(ptr); uint256 miniBatchStart = tokenId; // Revert `tokenId` is out of bounds. if (_orERC721A(tokenId < _startTokenId(), end <= tokenId)) _revert(OwnerQueryForNonexistentToken.selector); // Revert if `tokenIds` is not strictly ascending. if (prevOwnershipPacked != 0) if (tokenId <= prevTokenId) _revert(TokenIdsNotStrictlyAscending.selector); // Scan backwards for an initialized packed ownership slot. // ERC721A's invariant guarantees that there will always be an initialized slot as long as // the start of the backwards scan falls within `[_startTokenId() .. _nextTokenId())`. for (uint256 j = tokenId; (prevOwnershipPacked = _packedOwnerships[j]) == uint256(0); ) --j; // If the initialized slot is burned, revert. if (prevOwnershipPacked & _BITMASK_BURNED != 0) _revert(OwnerQueryForNonexistentToken.selector); address tokenOwner = address(uint160(prevOwnershipPacked)); if (tokenOwner != prevTokenOwner) { prevTokenOwner = tokenOwner; mayBurn = _orERC721A(by == address(0), tokenOwner == by) || isApprovedForAll(tokenOwner, by); } do { (uint256 approvedAddressSlot, uint256 approvedAddressValue) = _getApprovedSlotAndValue(tokenId); _beforeTokenTransfers(tokenOwner, address(0), tokenId, 1); // Revert if the sender is not authorized to transfer the token. if (!mayBurn) if (uint160(by) != approvedAddressValue) _revert(TransferCallerNotOwnerNorApproved.selector); assembly { if approvedAddressValue { sstore(approvedAddressSlot, 0) // Equivalent to `delete _tokenApprovals[tokenId]`. } // Emit the `Transfer` event. log4(0, 0, _TRANSFER_EVENT_SIGNATURE, and(_BITMASK_ADDRESS, tokenOwner), 0, tokenId) } if (_mloadERC721A(ptr += 0x20) != ++tokenId) break; if (ptr == ptrEnd) break; } while (_packedOwnerships[tokenId] == uint256(0)); // Updates tokenId: // - `address` to the same `tokenOwner`. // - `startTimestamp` to the timestamp of transferring. // - `burned` to `true`. // - `nextInitialized` to `false`, as it is optional. _packedOwnerships[miniBatchStart] = _packOwnershipData( tokenOwner, _BITMASK_BURNED | _nextExtraData(tokenOwner, address(0), prevOwnershipPacked) ); uint256 miniBatchLength = tokenId - miniBatchStart; // Update the address data. _packedAddressData[tokenOwner] += (miniBatchLength << _BITPOS_NUMBER_BURNED) - miniBatchLength; // Initialize the next slot if needed. if (tokenId != end) if (_packedOwnerships[tokenId] == uint256(0)) _packedOwnerships[tokenId] = prevOwnershipPacked; // Perform the after hook for the batch. _afterTokenTransfers(tokenOwner, address(0), miniBatchStart, miniBatchLength); // Set the `prevTokenId` for checking that the `tokenIds` is strictly ascending. prevTokenId = tokenId - 1; } while (ptr != ptrEnd); // Increment the overall burn counter. _burnCounter += tokenIds.length; } } // ============================================================= // 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 == uint256(0)) _revert(OwnershipNotInitializedForExtraData.selector); 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; } // ============================================================= // PRIVATE HELPERS // ============================================================= /** * @dev Returns a memory pointer to the start of `a`'s data. */ function _mdataERC721A(uint256[] memory a) private pure returns (uint256 start, uint256 end) { assembly { start := add(a, 0x20) end := add(start, shl(5, mload(a))) } } /** * @dev Returns the uint256 at `p` in memory. */ function _mloadERC721A(uint256 p) private pure returns (uint256 result) { assembly { result := mload(p) } } /** * @dev Branchless boolean or. */ function _orERC721A(bool a, bool b) private pure returns (bool result) { assembly { result := or(iszero(iszero(a)), iszero(iszero(b))) } } // ============================================================= // 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) } } /** * @dev For more efficient reverts. */ function _revert(bytes4 errorSelector) internal pure { assembly { mstore(0x00, errorSelector) revert(0x00, 0x04) } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.3.0 // 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(); /** * The `tokenIds` must be strictly ascending. */ error TokenIdsNotStrictlyAscending(); /** * `_sequentialUpTo()` must be greater than `_startTokenId()`. */ error SequentialUpToTooSmall(); /** * The `tokenId` of a sequential mint exceeds `_sequentialUpTo()`. */ error SequentialMintExceedsLimit(); /** * Spot minting requires a `tokenId` greater than `_sequentialUpTo()`. */ error SpotMintTokenIdTooSmall(); /** * Cannot mint over a token that already exists. */ error TokenAlreadyExists(); /** * The feature is not compatible with spot mints. */ error NotCompatibleWithSpotMints(); // ============================================================= // 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/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo( uint256 tokenId, uint256 salePrice ) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "remappings": [] }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"NotCompatibleWithSpotMints","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"SequentialMintExceedsLimit","type":"error"},{"inputs":[],"name":"SequentialUpToTooSmall","type":"error"},{"inputs":[],"name":"SpotMintTokenIdTooSmall","type":"error"},{"inputs":[],"name":"TokenAlreadyExists","type":"error"},{"inputs":[],"name":"TokenIdsNotStrictlyAscending","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":"_walletAddress","type":"address[]"},{"internalType":"uint256[]","name":"_quantity","type":"uint256[]"}],"name":"airdropToken","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":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"_to","type":"address[]"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"multiTransfer","outputs":[],"stateMutability":"nonpayable","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":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"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":"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":"address","name":"receiver","type":"address"},{"internalType":"uint96","name":"feeNumerator","type":"uint96"}],"name":"setDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxSupply","type":"uint256"}],"name":"setMaxSupply","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":"result","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.