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ERC-721
Overview
Max Total Supply
2,000 DGB
Holders
449
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
ERC721SeaDrop
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 100 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { ERC721ContractMetadata, ISeaDropTokenContractMetadata } from "./ERC721ContractMetadata.sol"; import { INonFungibleSeaDropToken } from "./interfaces/INonFungibleSeaDropToken.sol"; import { ISeaDrop } from "./interfaces/ISeaDrop.sol"; import { PublicDrop, PrivateDrop, AirDrop, MultiConfigure, MintStats } from "./lib/SeaDropStructs.sol"; import { ERC721SeaDropStructsErrorsAndEvents } from "./lib/ERC721SeaDropStructsErrorsAndEvents.sol"; import { ERC721A } from "lib/ERC721A/contracts/ERC721A.sol"; import { ReentrancyGuard } from "lib/solmate/src/utils/ReentrancyGuard.sol"; import { IERC165 } from "lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol"; import { DefaultOperatorFilterer } from "lib/operator-filter-registry/src/DefaultOperatorFilterer.sol"; /** * @title ERC721SeaDrop * @author James Wenzel (emo.eth) * @author Ryan Ghods (ralxz.eth) * @author Stephan Min (stephanm.eth) * @author Michael Cohen (notmichael.eth) * @notice ERC721SeaDrop is a token contract that contains methods * to properly interact with SeaDrop. */ contract ERC721SeaDrop is ERC721ContractMetadata, INonFungibleSeaDropToken, ERC721SeaDropStructsErrorsAndEvents, ReentrancyGuard, DefaultOperatorFilterer { /// @notice Track the allowed SeaDrop addresses. mapping(address => bool) internal _allowedSeaDrop; /// @notice Track the enumerated allowed SeaDrop addresses. address[] internal _enumeratedAllowedSeaDrop; /** * @dev Reverts if not an allowed SeaDrop contract. * This function is inlined instead of being a modifier * to save contract space from being inlined N times. * * @param seaDrop The SeaDrop address to check if allowed. */ function _onlyAllowedSeaDrop(address seaDrop) internal view { if (_allowedSeaDrop[seaDrop] != true) { revert OnlyAllowedSeaDrop(); } } /** * @notice Deploy the token contract with its name, symbol, * and allowed SeaDrop addresses. */ constructor( string memory name, string memory symbol, address[] memory allowedSeaDrop ) ERC721ContractMetadata(name, symbol) { // Put the length on the stack for more efficient access. uint256 allowedSeaDropLength = allowedSeaDrop.length; // Set the mapping for allowed SeaDrop contracts. for (uint256 i = 0; i < allowedSeaDropLength; ) { _allowedSeaDrop[allowedSeaDrop[i]] = true; unchecked { ++i; } } // Set the enumeration. _enumeratedAllowedSeaDrop = allowedSeaDrop; // Emit an event noting the contract deployment. emit SeaDropTokenDeployed(); } /** * @notice Update the allowed SeaDrop contracts. * Only the owner or administrator can use this function. * * @param allowedSeaDrop The allowed SeaDrop addresses. */ function updateAllowedSeaDrop(address[] calldata allowedSeaDrop) external virtual override onlyOwner { _updateAllowedSeaDrop(allowedSeaDrop); } /** * @notice Internal function to update the allowed SeaDrop contracts. * * @param allowedSeaDrop The allowed SeaDrop addresses. */ function _updateAllowedSeaDrop(address[] calldata allowedSeaDrop) internal { // Put the length on the stack for more efficient access. uint256 enumeratedAllowedSeaDropLength = _enumeratedAllowedSeaDrop .length; uint256 allowedSeaDropLength = allowedSeaDrop.length; // Reset the old mapping. for (uint256 i = 0; i < enumeratedAllowedSeaDropLength; ) { _allowedSeaDrop[_enumeratedAllowedSeaDrop[i]] = false; unchecked { ++i; } } // Set the new mapping for allowed SeaDrop contracts. for (uint256 i = 0; i < allowedSeaDropLength; ) { _allowedSeaDrop[allowedSeaDrop[i]] = true; unchecked { ++i; } } // Set the enumeration. _enumeratedAllowedSeaDrop = allowedSeaDrop; // Emit an event for the update. emit AllowedSeaDropUpdated(allowedSeaDrop); } /** * @dev Overrides the `_startTokenId` function from ERC721A * to start at token id `1`. * * This is to avoid future possible problems since `0` is usually * used to signal values that have not been set or have been removed. */ function _startTokenId() internal view virtual override returns (uint256) { return 1; } /** * @dev Overrides the `tokenURI()` function from ERC721A * to return just the base URI if it is implied to not be a directory. * * This is to help with ERC721 contracts in which the same token URI * is desired for each token, such as when the tokenURI is 'unrevealed'. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); // Exit early if the baseURI is empty. if (bytes(baseURI).length == 0) { return ""; } // Check if the last character in baseURI is a slash. if (bytes(baseURI)[bytes(baseURI).length - 1] != bytes("/")[0]) { return baseURI; } return string(abi.encodePacked(baseURI, _toString(tokenId))); } /** * @notice Mint tokens, restricted to the SeaDrop contract. * * @dev NOTE: If a token registers itself with multiple SeaDrop * contracts, the implementation of this function should guard * against reentrancy. If the implementing token uses * _safeMint(), or a feeRecipient with a malicious receive() hook * is specified, the token or fee recipients may be able to execute * another mint in the same transaction via a separate SeaDrop * contract. * This is dangerous if an implementing token does not correctly * update the minterNumMinted and currentTotalSupply values before * transferring minted tokens, as SeaDrop references these values * to enforce token limits on a per-wallet and per-stage basis. * * ERC721A tracks these values automatically, but this note and * nonReentrant modifier are left here to encourage best-practices * when referencing this contract. * * @param minter The address to mint to. * @param quantity The number of tokens to mint. */ function mintSeaDrop(address minter, uint256 quantity) external virtual override nonReentrant { // Ensure the SeaDrop is allowed. _onlyAllowedSeaDrop(msg.sender); // Extra safety check to ensure the max supply is not exceeded. if (_totalMinted() + quantity > maxSupply()) { revert MintQuantityExceedsMaxSupply( _totalMinted() + quantity, maxSupply() ); } // Mint the quantity of tokens to the minter. _safeMint(minter, quantity); } /** * @notice Update the public drop data for this nft contract on SeaDrop. * Only the owner can use this function. * * @param seaDropImpl The allowed SeaDrop contract. * @param publicDrop The public drop data. */ function updatePublicDrop( address seaDropImpl, PublicDrop calldata publicDrop ) external virtual override { // Ensure the sender is only the owner or contract itself. _onlyOwnerOrSelf(); // Ensure the SeaDrop is allowed. _onlyAllowedSeaDrop(seaDropImpl); // Update the public drop data on SeaDrop. ISeaDrop(seaDropImpl).updatePublicDrop(publicDrop); } /** * @notice Update the allow list data for this nft contract on SeaDrop. * Only the owner can use this function. * * @param seaDropImpl The allowed SeaDrop contract. * @param privateDrop The private drop. */ function updatePrivateDrop( address seaDropImpl, PrivateDrop calldata privateDrop ) external virtual override { // Ensure the sender is only the owner or contract itself. _onlyOwnerOrSelf(); // Ensure the SeaDrop is allowed. _onlyAllowedSeaDrop(seaDropImpl); // Update the white list on SeaDrop. ISeaDrop(seaDropImpl).updatePrivateDrop(privateDrop); } /** * @notice Update the allow list data for this nft contract on SeaDrop. * Only the owner can use this function. * * @param seaDropImpl The allowed SeaDrop contract. * @param airDrop The air drop. */ function updateAirDrop( address seaDropImpl, AirDrop calldata airDrop ) external virtual override { // Ensure the sender is only the owner or contract itself. _onlyOwnerOrSelf(); // Ensure the SeaDrop is allowed. _onlyAllowedSeaDrop(seaDropImpl); // Update the airDrop on SeaDrop. ISeaDrop(seaDropImpl).updateAirDrop(airDrop); } /** * @notice Update the creator payout address for this nft contract on * SeaDrop. * Only the owner can set the creator payout address. * * @param seaDropImpl The allowed SeaDrop contract. * @param payoutAddress The new payout address. */ function updateCreatorPayoutAddress( address seaDropImpl, address payoutAddress ) external { // Ensure the sender is only the owner or contract itself. _onlyOwnerOrSelf(); // Ensure the SeaDrop is allowed. _onlyAllowedSeaDrop(seaDropImpl); // Update the creator payout address. ISeaDrop(seaDropImpl).updateCreatorPayoutAddress(payoutAddress); } /** * @notice Returns a set of mint stats for the address. * This assists SeaDrop in enforcing maxSupply, * maxTotalMintableByWallet, and maxTokenSupplyForStage checks. * * @dev NOTE: Implementing contracts should always update these numbers * before transferring any tokens with _safeMint() to mitigate * consequences of malicious onERC721Received() hooks. * */ function getMintStats() external view override returns ( MintStats memory ) { return MintStats(_maxSupply, _totalMinted()); } /** * @notice Returns whether the interface is supported. * * @param interfaceId The interface id to check against. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721ContractMetadata) returns (bool) { return interfaceId == type(INonFungibleSeaDropToken).interfaceId || interfaceId == type(ISeaDropTokenContractMetadata).interfaceId || // ERC721ContractMetadata returns supportsInterface true for // EIP-2981 // ERC721A returns supportsInterface true for // ERC165, ERC721, ERC721Metadata super.supportsInterface(interfaceId); } /** * @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. * - The `operator` must be allowed. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) { super.setApprovalForAll(operator, approved); } /** * @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. * - The `operator` mut be allowed. * * Emits an {Approval} event. */ function approve(address operator, uint256 tokenId) public override onlyAllowedOperatorApproval(operator) { super.approve(operator, tokenId); } /** * @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}. * - The operator must be allowed. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) public override onlyAllowedOperator(from) { super.transferFrom(from, to, tokenId); } /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public override onlyAllowedOperator(from) { super.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. * - The operator must be allowed. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory data ) public override onlyAllowedOperator(from) { super.safeTransferFrom(from, to, tokenId, data); } /** * @notice Configure multiple properties at a time. * * @param config The configuration struct. */ function multiConfigure(MultiConfigure calldata config) external onlyOwner { if (config.maxSupply > 0) { this.setMaxSupply(config.maxSupply); } if (_cast(config.airDrop.startTime != 0) | _cast(config.airDrop.endTime != 0) == 1 ) { this.updateAirDrop(config.seaDropImpl, config.airDrop); } if (_cast(config.privateDrop.startTime != 0) | _cast(config.privateDrop.endTime != 0) == 1 ) { this.updatePrivateDrop(config.seaDropImpl, config.privateDrop); } if ( _cast(config.publicDrop.startTime != 0) | _cast(config.publicDrop.endTime != 0) == 1 ) { this.updatePublicDrop(config.seaDropImpl, config.publicDrop); } if (config.creatorPayoutAddress != address(0)) { this.updateCreatorPayoutAddress( config.seaDropImpl, config.creatorPayoutAddress ); } if (config.provenanceHash != bytes32(0)) { this.setProvenanceHash(config.provenanceHash); } } }
// 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 { // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364). struct TokenApprovalRef { address value; } // ============================================================= // CONSTANTS // ============================================================= // Mask of an entry in packed address data. uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1; // The bit position of `numberMinted` in packed address data. uint256 private constant _BITPOS_NUMBER_MINTED = 64; // The bit position of `numberBurned` in packed address data. uint256 private constant _BITPOS_NUMBER_BURNED = 128; // The bit position of `aux` in packed address data. uint256 private constant _BITPOS_AUX = 192; // Mask of all 256 bits in packed address data except the 64 bits for `aux`. uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1; // The bit position of `startTimestamp` in packed ownership. uint256 private constant _BITPOS_START_TIMESTAMP = 160; // The bit mask of the `burned` bit in packed ownership. uint256 private constant _BITMASK_BURNED = 1 << 224; // The bit position of the `nextInitialized` bit in packed ownership. uint256 private constant _BITPOS_NEXT_INITIALIZED = 225; // The bit mask of the `nextInitialized` bit in packed ownership. uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225; // The bit position of `extraData` in packed ownership. uint256 private constant _BITPOS_EXTRA_DATA = 232; // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`. uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1; // The mask of the lower 160 bits for addresses. uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1; // The maximum `quantity` that can be minted with {_mintERC2309}. // This limit is to prevent overflows on the address data entries. // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309} // is required to cause an overflow, which is unrealistic. uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000; // The `Transfer` event signature is given by: // `keccak256(bytes("Transfer(address,address,uint256)"))`. bytes32 private constant _TRANSFER_EVENT_SIGNATURE = 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef; // ============================================================= // STORAGE // ============================================================= // The next token ID to be minted. uint256 private _currentIndex; // The number of tokens burned. uint256 private _burnCounter; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to ownership details // An empty struct value does not necessarily mean the token is unowned. // See {_packedOwnershipOf} implementation for details. // // Bits Layout: // - [0..159] `addr` // - [160..223] `startTimestamp` // - [224] `burned` // - [225] `nextInitialized` // - [232..255] `extraData` mapping(uint256 => uint256) private _packedOwnerships; // Mapping owner address to address data. // // Bits Layout: // - [0..63] `balance` // - [64..127] `numberMinted` // - [128..191] `numberBurned` // - [192..255] `aux` mapping(address => uint256) private _packedAddressData; // Mapping from token ID to approved address. mapping(uint256 => TokenApprovalRef) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID. * To change the starting token ID, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return _currentIndex; } /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() public view virtual override returns (uint256) { // Counter underflow is impossible as _burnCounter cannot be incremented // more than `_currentIndex - _startTokenId()` times. unchecked { return _currentIndex - _burnCounter - _startTokenId(); } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { return _currentIndex - _startTokenId(); } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } // ============================================================= // ADDRESS DATA OPERATIONS // ============================================================= /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) public view virtual override returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { return uint64(_packedAddressData[owner] >> _BITPOS_AUX); } /** * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal virtual { uint256 packed = _packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); _packedAddressData[owner] = packed; } // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { // The interface IDs are constants representing the first 4 bytes // of the XOR of all function selectors in the interface. // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165) // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`) return interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165. interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721. interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata. } // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : ''; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, it can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } // ============================================================= // OWNERSHIPS OPERATIONS // ============================================================= /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { return address(uint160(_packedOwnershipOf(tokenId))); } /** * @dev Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around over time. */ function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnershipOf(tokenId)); } /** * @dev Returns the unpacked `TokenOwnership` struct at `index`. */ function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnerships[index]); } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (_packedOwnerships[index] == 0) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) { uint256 curr = tokenId; unchecked { if (_startTokenId() <= curr) if (curr < _currentIndex) { uint256 packed = _packedOwnerships[curr]; // If not burned. if (packed & _BITMASK_BURNED == 0) { // Invariant: // There will always be an initialized ownership slot // (i.e. `ownership.addr != address(0) && ownership.burned == false`) // before an unintialized ownership slot // (i.e. `ownership.addr == address(0) && ownership.burned == false`) // Hence, `curr` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. while (packed == 0) { packed = _packedOwnerships[--curr]; } return packed; } } } revert OwnerQueryForNonexistentToken(); } /** * @dev Returns the unpacked `TokenOwnership` struct from `packed`. */ function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) { ownership.addr = address(uint160(packed)); ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP); ownership.burned = packed & _BITMASK_BURNED != 0; ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA); } /** * @dev Packs ownership data into a single uint256. */ function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`. result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags)) } } /** * @dev Returns the `nextInitialized` flag set if `quantity` equals 1. */ function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) { // For branchless setting of the `nextInitialized` flag. assembly { // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`. result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1)) } } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ownerOf(tokenId); if (_msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { revert ApprovalCallerNotOwnerNorApproved(); } _tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return _tokenApprovals[tokenId].value; } /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) public virtual override { _operatorApprovals[_msgSenderERC721A()][operator] = approved; emit ApprovalForAll(_msgSenderERC721A(), operator, approved); } /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted. See {_mint}. */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _startTokenId() <= tokenId && tokenId < _currentIndex && // If within bounds, _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned. } /** * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`. */ function _isSenderApprovedOrOwner( address approvedAddress, address owner, address msgSender ) private pure returns (bool result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean. msgSender := and(msgSender, _BITMASK_ADDRESS) // `msgSender == owner || msgSender == approvedAddress`. result := or(eq(msgSender, owner), eq(msgSender, approvedAddress)) } } /** * @dev Returns the storage slot and value for the approved address of `tokenId`. */ function _getApprovedSlotAndAddress(uint256 tokenId) private view returns (uint256 approvedAddressSlot, address approvedAddress) { TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId]; // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`. assembly { approvedAddressSlot := tokenApproval.slot approvedAddress := sload(approvedAddressSlot) } } // ============================================================= // TRANSFER OPERATIONS // ============================================================= /** * @dev Transfers `tokenId` from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) public 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. // The duplicated `log4` removes an extra check and reduces stack juggling. // The assembly, together with the surrounding Solidity code, have been // delicately arranged to nudge the compiler into producing optimized opcodes. assembly { // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. toMasked := and(to, _BITMASK_ADDRESS) // Emit the `Transfer` event. log4( 0, // Start of data (0, since no data). 0, // End of data (0, since no data). _TRANSFER_EVENT_SIGNATURE, // Signature. 0, // `address(0)`. toMasked, // `to`. startTokenId // `tokenId`. ) // The `iszero(eq(,))` check ensures that large values of `quantity` // that overflows uint256 will make the loop run out of gas. // The compiler will optimize the `iszero` away for performance. for { let tokenId := add(startTokenId, 1) } iszero(eq(tokenId, end)) { tokenId := add(tokenId, 1) } { // Emit the `Transfer` event. Similar to above. log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId) } } if (toMasked == 0) revert MintToZeroAddress(); _currentIndex = end; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Mints `quantity` tokens and transfers them to `to`. * * This function is intended for efficient minting only during contract creation. * * It emits only one {ConsecutiveTransfer} as defined in * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309), * instead of a sequence of {Transfer} event(s). * * Calling this function outside of contract creation WILL make your contract * non-compliant with the ERC721 standard. * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309 * {ConsecutiveTransfer} event is only permissible during contract creation. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {ConsecutiveTransfer} event. */ function _mintERC2309(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are unrealistic due to the above check for `quantity` to be below the limit. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to); _currentIndex = startTokenId + quantity; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * See {_mint}. * * Emits a {Transfer} event for each mint. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal virtual { _mint(to, quantity); unchecked { if (to.code.length != 0) { uint256 end = _currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (index < end); // Reentrancy protection. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } // ============================================================= // BURN OPERATIONS // ============================================================= /** * @dev Equivalent to `_burn(tokenId, false)`. */ function _burn(uint256 tokenId) internal virtual { _burn(tokenId, false); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId, bool approvalCheck) internal virtual { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); address from = address(uint160(prevOwnershipPacked)); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); if (approvalCheck) { // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); } _beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // Updates: // - `balance -= 1`. // - `numberBurned += 1`. // // We can directly decrement the balance, and increment the number burned. // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`. _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1; // Updates: // - `address` to the last owner. // - `startTimestamp` to the timestamp of burning. // - `burned` to `true`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( from, (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times. unchecked { _burnCounter++; } } // ============================================================= // EXTRA DATA OPERATIONS // ============================================================= /** * @dev Directly sets the extra data for the ownership data `index`. */ function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual { uint256 packed = _packedOwnerships[index]; if (packed == 0) revert OwnershipNotInitializedForExtraData(); uint256 extraDataCasted; // Cast `extraData` with assembly to avoid redundant masking. assembly { extraDataCasted := extraData } packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA); _packedOwnerships[index] = packed; } /** * @dev Called during each token transfer to set the 24bit `extraData` field. * Intended to be overridden by the cosumer contract. * * `previousExtraData` - the value of `extraData` before transfer. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _extraData( address from, address to, uint24 previousExtraData ) internal view virtual returns (uint24) {} /** * @dev Returns the next extra data for the packed ownership data. * The returned result is shifted into position. */ function _nextExtraData( address from, address to, uint256 prevOwnershipPacked ) private view returns (uint256) { uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA); return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA; } // ============================================================= // OTHER OPERATIONS // ============================================================= /** * @dev Returns the message sender (defaults to `msg.sender`). * * If you are writing GSN compatible contracts, you need to override this function. */ function _msgSenderERC721A() internal view virtual returns (address) { return msg.sender; } /** * @dev Converts a uint256 to its ASCII string decimal representation. */ function _toString(uint256 value) internal pure virtual returns (string memory str) { assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), but // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned. // We will need 1 word for the trailing zeros padding, 1 word for the length, // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0. let m := add(mload(0x40), 0xa0) // Update the free memory pointer to allocate. mstore(0x40, m) // Assign the `str` to the end. str := sub(m, 0x20) // Zeroize the slot after the string. mstore(str, 0) // Cache the end of the memory to calculate the length later. let end := str // We write the string from rightmost digit to leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // prettier-ignore for { let temp := value } 1 {} { str := sub(str, 1) // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(str, add(48, mod(temp, 10))) // Keep dividing `temp` until zero. temp := div(temp, 10) // prettier-ignore if iszero(temp) { break } } let length := sub(end, str) // Move the pointer 32 bytes leftwards to make room for the length. str := sub(str, 0x20) // Store the length. mstore(str, length) } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.2 // 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(); /** * 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 (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 // OpenZeppelin Contracts (last updated v4.6.0) (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); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; import {OperatorFilterer} from "./OperatorFilterer.sol"; import {CANONICAL_CORI_SUBSCRIPTION} from "./lib/Constants.sol"; /** * @title DefaultOperatorFilterer * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription. * @dev Please note that if your token contract does not provide an owner with EIP-173, it must provide * administration methods on the contract itself to interact with the registry otherwise the subscription * will be locked to the options set during construction. */ abstract contract DefaultOperatorFilterer is OperatorFilterer { /// @dev The constructor that is called when the contract is being deployed. constructor() OperatorFilterer(CANONICAL_CORI_SUBSCRIPTION, true) {} }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; interface IOperatorFilterRegistry { /** * @notice Returns true if operator is not filtered for a given token, either by address or codeHash. Also returns * true if supplied registrant address is not registered. */ function isOperatorAllowed(address registrant, address operator) external view returns (bool); /** * @notice Registers an address with the registry. May be called by address itself or by EIP-173 owner. */ function register(address registrant) external; /** * @notice Registers an address with the registry and "subscribes" to another address's filtered operators and codeHashes. */ function registerAndSubscribe(address registrant, address subscription) external; /** * @notice Registers an address with the registry and copies the filtered operators and codeHashes from another * address without subscribing. */ function registerAndCopyEntries(address registrant, address registrantToCopy) external; /** * @notice Unregisters an address with the registry and removes its subscription. May be called by address itself or by EIP-173 owner. * Note that this does not remove any filtered addresses or codeHashes. * Also note that any subscriptions to this registrant will still be active and follow the existing filtered addresses and codehashes. */ function unregister(address addr) external; /** * @notice Update an operator address for a registered address - when filtered is true, the operator is filtered. */ function updateOperator(address registrant, address operator, bool filtered) external; /** * @notice Update multiple operators for a registered address - when filtered is true, the operators will be filtered. Reverts on duplicates. */ function updateOperators(address registrant, address[] calldata operators, bool filtered) external; /** * @notice Update a codeHash for a registered address - when filtered is true, the codeHash is filtered. */ function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external; /** * @notice Update multiple codeHashes for a registered address - when filtered is true, the codeHashes will be filtered. Reverts on duplicates. */ function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external; /** * @notice Subscribe an address to another registrant's filtered operators and codeHashes. Will remove previous * subscription if present. * Note that accounts with subscriptions may go on to subscribe to other accounts - in this case, * subscriptions will not be forwarded. Instead the former subscription's existing entries will still be * used. */ function subscribe(address registrant, address registrantToSubscribe) external; /** * @notice Unsubscribe an address from its current subscribed registrant, and optionally copy its filtered operators and codeHashes. */ function unsubscribe(address registrant, bool copyExistingEntries) external; /** * @notice Get the subscription address of a given registrant, if any. */ function subscriptionOf(address addr) external returns (address registrant); /** * @notice Get the set of addresses subscribed to a given registrant. * Note that order is not guaranteed as updates are made. */ function subscribers(address registrant) external returns (address[] memory); /** * @notice Get the subscriber at a given index in the set of addresses subscribed to a given registrant. * Note that order is not guaranteed as updates are made. */ function subscriberAt(address registrant, uint256 index) external returns (address); /** * @notice Copy filtered operators and codeHashes from a different registrantToCopy to addr. */ function copyEntriesOf(address registrant, address registrantToCopy) external; /** * @notice Returns true if operator is filtered by a given address or its subscription. */ function isOperatorFiltered(address registrant, address operator) external returns (bool); /** * @notice Returns true if the hash of an address's code is filtered by a given address or its subscription. */ function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool); /** * @notice Returns true if a codeHash is filtered by a given address or its subscription. */ function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool); /** * @notice Returns a list of filtered operators for a given address or its subscription. */ function filteredOperators(address addr) external returns (address[] memory); /** * @notice Returns the set of filtered codeHashes for a given address or its subscription. * Note that order is not guaranteed as updates are made. */ function filteredCodeHashes(address addr) external returns (bytes32[] memory); /** * @notice Returns the filtered operator at the given index of the set of filtered operators for a given address or * its subscription. * Note that order is not guaranteed as updates are made. */ function filteredOperatorAt(address registrant, uint256 index) external returns (address); /** * @notice Returns the filtered codeHash at the given index of the list of filtered codeHashes for a given address or * its subscription. * Note that order is not guaranteed as updates are made. */ function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32); /** * @notice Returns true if an address has registered */ function isRegistered(address addr) external returns (bool); /** * @dev Convenience method to compute the code hash of an arbitrary contract */ function codeHashOf(address addr) external returns (bytes32); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.17; address constant CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS = 0x000000000000AAeB6D7670E522A718067333cd4E; address constant CANONICAL_CORI_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;
// SPDX-License-Identifier: MIT pragma solidity ^0.8.13; import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol"; import {CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS} from "./lib/Constants.sol"; /** * @title OperatorFilterer * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another * registrant's entries in the OperatorFilterRegistry. * @dev This smart contract is meant to be inherited by token contracts so they can use the following: * - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods. * - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods. * Please note that if your token contract does not provide an owner with EIP-173, it must provide * administration methods on the contract itself to interact with the registry otherwise the subscription * will be locked to the options set during construction. */ abstract contract OperatorFilterer { /// @dev Emitted when an operator is not allowed. error OperatorNotAllowed(address operator); IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY = IOperatorFilterRegistry(CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS); /// @dev The constructor that is called when the contract is being deployed. constructor(address subscriptionOrRegistrantToCopy, bool subscribe) { // If an inheriting token contract is deployed to a network without the registry deployed, the modifier // will not revert, but the contract will need to be registered with the registry once it is deployed in // order for the modifier to filter addresses. if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) { if (subscribe) { OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy); } else { if (subscriptionOrRegistrantToCopy != address(0)) { OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy); } else { OPERATOR_FILTER_REGISTRY.register(address(this)); } } } } /** * @dev A helper function to check if an operator is allowed. */ modifier onlyAllowedOperator(address from) virtual { // Allow spending tokens from addresses with balance // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred // from an EOA. if (from != msg.sender) { _checkFilterOperator(msg.sender); } _; } /** * @dev A helper function to check if an operator approval is allowed. */ modifier onlyAllowedOperatorApproval(address operator) virtual { _checkFilterOperator(operator); _; } /** * @dev A helper function to check if an operator is allowed. */ function _checkFilterOperator(address operator) internal view virtual { // Check registry code length to facilitate testing in environments without a deployed registry. if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) { // under normal circumstances, this function will revert rather than return false, but inheriting contracts // may specify their own OperatorFilterRegistry implementations, which may behave differently if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) { revert OperatorNotAllowed(operator); } } } }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; /// @notice Gas optimized reentrancy protection for smart contracts. /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/ReentrancyGuard.sol) /// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/security/ReentrancyGuard.sol) abstract contract ReentrancyGuard { uint256 private locked = 1; modifier nonReentrant() virtual { require(locked == 1, "REENTRANCY"); locked = 2; _; locked = 1; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { ISeaDropTokenContractMetadata } from "./interfaces/ISeaDropTokenContractMetadata.sol"; import { ERC721A } from "lib/ERC721A/contracts/ERC721A.sol"; import { Ownable } from "lib/openzeppelin-contracts/contracts/access/Ownable.sol"; import { IERC2981 } from "lib/openzeppelin-contracts/contracts/interfaces/IERC2981.sol"; import { IERC165 } from "lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol"; /** * @title ERC721ContractMetadata * @author James Wenzel (emo.eth) * @author Ryan Ghods (ralxz.eth) * @author Stephan Min (stephanm.eth) * @notice ERC721ContractMetadata is a token contract that extends ERC721A * with additional metadata and ownership capabilities. */ contract ERC721ContractMetadata is ERC721A, Ownable, ISeaDropTokenContractMetadata { /// @notice Track the max supply. uint256 _maxSupply; /// @notice Track the base URI for token metadata. string _tokenBaseURI; /// @notice Track the provenance hash for guaranteeing metadata order /// for random reveals. bytes32 _provenanceHash; /// @notice Track the royalty info: address to receive royalties, and /// royalty basis points. RoyaltyInfo _royaltyInfo; error OnlyOwner(); /** * @dev Reverts if the sender is not the owner or the contract itself. * This function is inlined instead of being a modifier * to save contract space from being inlined N times. */ function _onlyOwnerOrSelf() internal view { if ( _cast(msg.sender == owner()) | _cast(msg.sender == address(this)) == 0 ) { revert OnlyOwner(); } } /** * @notice Deploy the token contract with its name and symbol. */ constructor(string memory name, string memory symbol) ERC721A(name, symbol) {} /** * @notice Sets the base URI for the token metadata and emits an event. * * @param newBaseURI The new base URI to set. */ function setBaseURI(string calldata newBaseURI) external override { // Ensure the sender is only the owner or contract itself. _onlyOwnerOrSelf(); // Set the new base URI. _tokenBaseURI = newBaseURI; // Emit an event with the update. if (totalSupply() != 0) { emit BatchMetadataUpdate(1, _nextTokenId() - 1); } } /** * @notice Sets the provenance hash and emits an event. * * The provenance hash is used for random reveals, which * is a hash of the ordered metadata to show it has not been * modified after mint started. * * This function will revert after the first item has been minted. * * @param newProvenanceHash The new provenance hash to set. */ function setProvenanceHash(bytes32 newProvenanceHash) external { // Ensure the sender is only the owner or contract itself. _onlyOwnerOrSelf(); // Revert if any items have been minted. if (_totalMinted() > 0) { revert ProvenanceHashCannotBeSetAfterMintStarted(); } // Keep track of the old provenance hash for emitting with the event. bytes32 oldProvenanceHash = _provenanceHash; // Set the new provenance hash. _provenanceHash = newProvenanceHash; // Emit an event with the update. emit ProvenanceHashUpdated(oldProvenanceHash, newProvenanceHash); } /** * @notice Returns the provenance hash. * The provenance hash is used for random reveals, which * is a hash of the ordered metadata to show it is unmodified * after mint has started. */ function provenanceHash() external view override returns (bytes32) { return _provenanceHash; } /** * @notice Emit an event notifying metadata updates for * a range of token ids, according to EIP-4906. * * @param fromTokenId The start token id. * @param toTokenId The end token id. */ function emitBatchMetadataUpdate(uint256 fromTokenId, uint256 toTokenId) external { // Ensure the sender is only the owner or contract itself. _onlyOwnerOrSelf(); // Emit an event with the update. emit BatchMetadataUpdate(fromTokenId, toTokenId); } /** * @notice Sets the max token supply and emits an event. * * @param newMaxSupply The new max supply to set. */ function setMaxSupply(uint256 newMaxSupply) external { // Ensure the sender is only the owner or contract itself. _onlyOwnerOrSelf(); // Ensure the max supply does not exceed the maximum value of uint64. if (newMaxSupply > 2**64 - 1) { revert CannotExceedMaxSupplyOfUint64(newMaxSupply); } // Set the new max supply. _maxSupply = newMaxSupply; // Emit an event with the update. emit MaxSupplyUpdated(newMaxSupply); } /** * @notice Returns the base URI for token metadata. */ function baseURI() external view override returns (string memory) { return _baseURI(); } /** * @notice Returns the base URI for the contract, which ERC721A uses * to return tokenURI. */ function _baseURI() internal view virtual override returns (string memory) { return _tokenBaseURI; } /** * @notice Returns the max token supply. */ function maxSupply() public view returns (uint256) { return _maxSupply; } /** * @notice Called with the sale price to determine how much royalty * is owed and to whom. * * @ param _tokenId The NFT asset queried for royalty information. * @param _salePrice The sale price of the NFT asset specified by * _tokenId. * * @return receiver Address of who should be sent the royalty payment. * @return royaltyAmount The royalty payment amount for _salePrice. */ function royaltyInfo( uint256, /* _tokenId */ uint256 _salePrice ) external view returns (address receiver, uint256 royaltyAmount) { // Put the royalty info on the stack for more efficient access. RoyaltyInfo storage info = _royaltyInfo; // Set the royalty amount to the sale price times the royalty basis // points divided by 10_000. royaltyAmount = (_salePrice * info.royaltyBps) / 10_000; // Set the receiver of the royalty. receiver = info.royaltyAddress; } /** * @notice Returns whether the interface is supported. * * @param interfaceId The interface id to check against. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721A) returns (bool) { return interfaceId == type(IERC2981).interfaceId || interfaceId == 0x49064906 || // ERC-4906 super.supportsInterface(interfaceId); } /** * @dev Internal pure function to cast a `bool` value to a `uint256` value. * * @param b The `bool` value to cast. * * @return u The `uint256` value. */ function _cast(bool b) internal pure returns (uint256 u) { assembly { u := b } } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { ISeaDropTokenContractMetadata } from "./ISeaDropTokenContractMetadata.sol"; import { PublicDrop, PrivateDrop, AirDrop, MintStats } from "../lib/SeaDropStructs.sol"; interface INonFungibleSeaDropToken is ISeaDropTokenContractMetadata { /** * @dev Revert with an error if a contract is not an allowed * SeaDrop address. */ error OnlyAllowedSeaDrop(); /** * @dev Emit an event when allowed SeaDrop contracts are updated. */ event AllowedSeaDropUpdated(address[] allowedSeaDrop); /** * @notice Update the allowed SeaDrop contracts. * Only the owner or administrator can use this function. * * @param allowedSeaDrop The allowed SeaDrop addresses. */ function updateAllowedSeaDrop(address[] calldata allowedSeaDrop) external; /** * @notice Mint tokens, restricted to the SeaDrop contract. * * @dev NOTE: If a token registers itself with multiple SeaDrop * contracts, the implementation of this function should guard * against reentrancy. If the implementing token uses * _safeMint(), or a feeRecipient with a malicious receive() hook * is specified, the token or fee recipients may be able to execute * another mint in the same transaction via a separate SeaDrop * contract. * This is dangerous if an implementing token does not correctly * update the minterNumMinted and currentTotalSupply values before * transferring minted tokens, as SeaDrop references these values * to enforce token limits on a per-wallet and per-stage basis. * * @param minter The address to mint to. * @param quantity The number of tokens to mint. */ function mintSeaDrop(address minter, uint256 quantity) external; /** * @notice Returns a set of mint stats for the address. * This assists SeaDrop in enforcing maxSupply, * maxTotalMintableByWallet, and maxTokenSupplyForStage checks. * * @dev NOTE: Implementing contracts should always update these numbers * before transferring any tokens with _safeMint() to mitigate * consequences of malicious onERC721Received() hooks. * */ function getMintStats() external view returns ( MintStats memory ); /** * @notice Update the public drop data for this nft contract on SeaDrop. * Only the owner or administrator can use this function. * * The administrator can only update `feeBps`. * * @param seaDropImpl The allowed SeaDrop contract. * @param publicDrop The public drop data. */ function updatePublicDrop( address seaDropImpl, PublicDrop calldata publicDrop ) external; /** * @notice Update the private drop data for this nft contract on SeaDrop. * Only the owner or administrator can use this function. * * @param seaDropImpl The allowed SeaDrop contract. * @param privateDrop The drop. */ function updatePrivateDrop( address seaDropImpl, PrivateDrop memory privateDrop ) external; /** * @notice Update the air drop data for this nft contract on SeaDrop. * Only the owner or administrator can use this function. * * @param seaDropImpl The allowed SeaDrop contract. * @param airDrop The air drop. */ function updateAirDrop( address seaDropImpl, AirDrop memory airDrop ) external; /** * @notice Update the creator payout address for this nft contract on * SeaDrop. * Only the owner can set the creator payout address. * * @param seaDropImpl The allowed SeaDrop contract. * @param payoutAddress The new payout address. */ function updateCreatorPayoutAddress( address seaDropImpl, address payoutAddress ) external; }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { PublicDrop, PrivateDrop, AirDrop, MultiConfigure, MintStats } from "../lib/SeaDropStructs.sol"; import { SeaDropErrorsAndEvents } from "../lib/SeaDropErrorsAndEvents.sol"; interface ISeaDrop is SeaDropErrorsAndEvents { /** * @notice Initialize the nft contract. * * @param name The contract name. * @param symbol The contract symbol. */ function initialize( string memory name, string memory symbol, uint256 privateMintPrice, uint256 publicMintPrice, MultiConfigure calldata config ) external; /** * @notice Mint a public drop. * * @param nftContract The nft contract to mint. * @param nftRecipient The nft recipient. * @param quantity The number of tokens to mint. */ function mintPublic( address nftContract, address nftRecipient, uint256 quantity ) external payable; /** * @notice Mint a private drop. * * @param nftContract The nft contract to mint. * @param nftRecipient The nft recipient. * @param quantity The number of tokens to mint. * @param signature signed message. */ function mintPrivate( address nftContract, address nftRecipient, uint256 quantity, bytes memory signature ) external payable; /** * @notice Mint a air drop. * * @param nftContract The nft contract to mint. * @param nftRecipient The nft recipient. * @param quantity The number of tokens to mint. * @param signature signed message. */ function airdrop( address nftContract, address nftRecipient, uint256 quantity, bytes memory signature ) external; /** * @notice Updates the public drop data for the nft contract * and emits an event. * * This method assume msg.sender is an nft contract and its * ERC165 interface id matches INonFungibleSeaDropToken. * * Note: Be sure only authorized users can call this from * token contracts that implement INonFungibleSeaDropToken. * * @param publicDrop The public drop data. */ function updatePublicDrop(PublicDrop calldata publicDrop) external; /** * @notice Updates the private drop data for the nft contract * and emits an event. * * This method assume msg.sender is an nft contract and its * ERC165 interface id matches INonFungibleSeaDropToken. * * Note: Be sure only authorized users can call this from * token contracts that implement INonFungibleSeaDropToken. * * @param privateDrop The white list drop. */ function updatePrivateDrop(PrivateDrop calldata privateDrop) external; /** * @notice Updates the air drop data for the nft contract * and emits an event. * * This method assume msg.sender is an nft contract and its * ERC165 interface id matches INonFungibleSeaDropToken. * * Note: Be sure only authorized users can call this from * token contracts that implement INonFungibleSeaDropToken. * * @param airDrop The air drop. */ function updateAirDrop(AirDrop calldata airDrop) external; /** * @notice Updates the creator payout address and emits an event. * * This method assume msg.sender is an nft contract and its * ERC165 interface id matches INonFungibleSeaDropToken. * * Note: Be sure only authorized users can call this from * token contracts that implement INonFungibleSeaDropToken. * * @param payoutAddress The creator payout address. */ function updateCreatorPayoutAddress(address payoutAddress) external; /** * @notice Returns the public drop data for the nft contract. * * @param nftContract The nft contract. */ function getPublicDrop(address nftContract) external view returns (PublicDrop memory, uint256, uint256); /** * @notice Returns the air drop data for the nft contract. * * @param nftContract The nft contract. */ function getAirDrop(address nftContract) external view returns (AirDrop memory, uint256); /** * @notice Returns the creator payout address for the nft contract. * * @param nftContract The nft contract. */ function getCreatorPayoutAddress(address nftContract) external view returns (address); /** * @notice Returns the private drop data for the nft contract. * * @param nftContract The nft contract. */ function getPrivateDrop(address nftContract) external view returns (PrivateDrop memory, uint256, uint256); function getSigner() external view returns (address); function setSigner(address signer) external; function getPrivateMintPrice(address nftContract) external view returns (uint256); function getPublicMintPrice(address nftContract) external view returns (uint256); function getMintStats(address nftContract) external view returns (MintStats memory); function withdrawETH(address recipient) external returns (uint256 balance); function getERC721SeaDrops() external view returns (address[] memory); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { IERC2981 } from "lib/openzeppelin-contracts/contracts/interfaces/IERC2981.sol"; interface ISeaDropTokenContractMetadata is IERC2981 { /** * @notice Throw if the max supply exceeds uint64, a limit * due to the storage of bit-packed variables in ERC721A. */ error CannotExceedMaxSupplyOfUint64(uint256 newMaxSupply); /** * @dev Revert if the royalty basis points is greater than 10_000. */ error InvalidRoyaltyBasisPoints(uint256 basisPoints); /** * @dev Emit an event with the previous and new provenance hash after * being updated. */ event ProvenanceHashUpdated(bytes32 previousHash, bytes32 newHash); /** * @dev Revert if the royalty address is being set to the zero address. */ error RoyaltyAddressCannotBeZeroAddress(); /** * @dev Emit an event for token metadata reveals/updates, * according to EIP-4906. * * @param _fromTokenId The start token id. * @param _toTokenId The end token id. */ event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId); /** * @dev Revert with an error when attempting to set the provenance * hash after the mint has started. */ error ProvenanceHashCannotBeSetAfterMintStarted(); /** * @dev Emit an event when the URI for the collection-level metadata * is updated. */ event ContractURIUpdated(string newContractURI); /** * @dev Emit an event when the max token supply is updated. */ event MaxSupplyUpdated(uint256 newMaxSupply); /** * @dev Emit an event when the royalties info is updated. */ event RoyaltyInfoUpdated(address receiver, uint256 bps); /** * @dev Emit an event when the royalties address is updated. */ event RoyaltyAddressUpdated(address receiver); /** * @dev Emit an event when the royalties bps is updated. */ event RoyaltyBpsUpdated(uint256 bps); /** * @notice Sets the base URI for the token metadata and emits an event. * * @param tokenURI The new base URI to set. */ function setBaseURI(string calldata tokenURI) external; /** * @notice Sets the max supply and emits an event. * * @param newMaxSupply The new max supply to set. */ function setMaxSupply(uint256 newMaxSupply) external; /** * @notice Returns the base URI for token metadata. */ function baseURI() external view returns (string memory); /** * @notice Returns the max token supply. */ function maxSupply() external view returns (uint256); /** * @notice Sets the provenance hash and emits an event. * * The provenance hash is used for random reveals, which * is a hash of the ordered metadata to show it has not been * modified after mint started. * * This function will revert after the first item has been minted. * * @param newProvenanceHash The new provenance hash to set. */ function setProvenanceHash(bytes32 newProvenanceHash) external; /** * @notice Returns the provenance hash. * The provenance hash is used for random reveals, which * is a hash of the ordered metadata to show it is unmodified * after mint has started. */ function provenanceHash() external view returns (bytes32); /** * @notice A struct defining royalty info for the contract. */ struct RoyaltyInfo { address royaltyAddress; uint96 royaltyBps; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { PublicDrop, PrivateDrop, AirDrop } from "./SeaDropStructs.sol"; interface ERC721SeaDropStructsErrorsAndEvents { /** * @notice Revert with an error if mint exceeds the max supply. */ error MintQuantityExceedsMaxSupply(uint256 total, uint256 maxSupply); /** * @notice An event to signify that a SeaDrop token contract was deployed. */ event SeaDropTokenDeployed(); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { PublicDrop, PrivateDrop, AirDrop, MultiConfigure } from "./SeaDropStructs.sol"; interface SeaDropErrorsAndEvents { /** * @dev Revert with an error if the drop stage is not active. */ error NotActive( uint256 currentTimestamp, uint256 startTimestamp, uint256 endTimestamp ); /** * @dev Revert with an error if the mint quantity is zero. */ error MintQuantityCannotBeZero(); /** * @dev Revert with an error if the mint quantity exceeds the max allowed * to be minted per wallet. */ error MintQuantityExceedsMaxMintedPerWallet(uint256 total, uint256 allowed); /** * @dev Revert with an error if the mint quantity exceeds the max token * supply. */ error MintQuantityExceedsMaxSupply(uint256 total, uint256 maxSupply); /** * @dev Revert with an error if the mint quantity exceeds the max token * supply for the stage. * Note: The `maxTokenSupplyForStage` for public mint is * always `type(uint).max`. */ error MintQuantityExceedsMaxTokenSupplyForStage( uint256 total, uint256 maxTokenSupplyForStage ); /** * @dev Revert if the fee basis points is greater than 10_000. */ error InvalidFeeBps(uint256 feeBps); /** * @dev Revert if the creator payout address is the zero address. */ error CreatorPayoutAddressCannotBeZeroAddress(); /** * @dev Revert with an error if the received payment is incorrect. */ error IncorrectPayment(uint256 got, uint256 want); /** * @dev Revert with an error if the sender does not * match the INonFungibleSeaDropToken interface. */ error OnlyINonFungibleSeaDropToken(address sender); error MinterNotWhitelist(address seadrop, address token, address sender, uint8 stage); /** * @dev An event with details of a SeaDrop mint, for analytical purposes. * * @param nftContract The nft contract. * @param nftRecipient The nft recipient. * @param minter The mint recipient. * @param quantityMinted The number of tokens minted. * @param unitMintPrice The amount paid for each token. */ event SeaDropMint( address indexed nftContract, address indexed nftRecipient, address indexed minter, uint256 quantityMinted, uint256 unitMintPrice ); /** * @dev An event with updated public drop data for an nft contract. */ event PublicDropUpdated( address indexed nftContract, PublicDrop publicDrop ); /** * @dev An event with updated white list drop data for an nft contract. */ event PrivateDropUpdated( address indexed nftContract, PrivateDrop privateDrop ); /** * @dev An event with updated air drop data for an nft contract. */ event AirDropUpdated( address indexed nftContract, AirDrop airDrop ); /** * @dev An event with the updated creator payout address for an nft * contract. */ event CreatorPayoutAddressUpdated( address indexed nftContract, address indexed newPayoutAddress ); event ERC721SeaDropCreated( address indexed nftContract, uint256 indexed privateMintPrice, uint256 indexed publicMintPrice, MultiConfigure config ); event WithdrawnETH( address indexed recipient, uint256 indexed balance ); event SignerUpdated( address indexed signer ); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; /** * @notice A struct defining public drop data. * Designed to fit efficiently in one storage slot. * * @param startTime The start time, ensure this is not zero. * @param endTIme The end time, ensure this is not zero. * @param maxTotalMintableByWallet Maximum total number of mints a user is * allowed. (The limit for this field is * 2^16 - 1) */ struct PublicDrop { uint256 startTime; // 128/256 bits uint256 endTime; // 176/256 bits uint256 maxTotalMintableByWallet; // 224/256 bits uint256 maxTokenSupplyForStage; } /** * @notice A struct defining private drop data. * * @param startTime The start time, ensure this is not zero. * @param endTime The end time, ensure this is not zero. * @param maxTotalMintableByWallet Maximum total number of mints a user is * allowed. * @param maxTokenSupplyForStage The limit of token supply this stage can * mint within. */ struct PrivateDrop { uint256 startTime; uint256 endTime; uint256 maxTotalMintableByWallet; uint256 maxTokenSupplyForStage; } /** * @notice A struct defining mint params for an allow list. * An allow list leaf will be composed of `msg.sender` and * the following params. * * Note: Since feeBps is encoded in the leaf, backend should ensure * that feeBps is acceptable before generating a proof. * * @param startTime The start time, ensure this is not zero. * @param endTime The end time, ensure this is not zero. * @param maxTotalMintableByWallet Maximum total number of mints a user is * allowed. * @param maxTokenSupplyForStage The limit of token supply this stage can * mint within. */ struct AirDrop { uint256 startTime; uint256 endTime; uint256 maxTotalMintableByWallet; uint256 maxTokenSupplyForStage; } /** * @notice A struct to configure multiple contract options at a time. */ struct MultiConfigure { uint256 maxSupply; address seaDropImpl; PublicDrop publicDrop; PrivateDrop privateDrop; AirDrop airDrop; address creatorPayoutAddress; bytes32 provenanceHash; } struct MintStats { uint256 maxSupply; uint256 totalMinted; }
{ "viaIR": false, "optimizer": { "enabled": true, "runs": 100 }, "metadata": { "bytecodeHash": "none" }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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OPERATOR_FILTER_REGISTRY","outputs":[{"internalType":"contract IOperatorFilterRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","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":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"internalType":"uint256","name":"toTokenId","type":"uint256"}],"name":"emitBatchMetadataUpdate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMintStats","outputs":[{"components":[{"internalType":"uint256","name":"maxSupply","type":"uint256"},{"internalType":"uint256","name":"totalMinted","type":"uint256"}],"internalType":"struct MintStats","name":"","type":"tuple"}],"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":"minter","type":"address"},{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"mintSeaDrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"maxSupply","type":"uint256"},{"internalType":"address","name":"seaDropImpl","type":"address"},{"components":[{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"endTime","type":"uint256"},{"internalType":"uint256","name":"maxTotalMintableByWallet","type":"uint256"},{"internalType":"uint256","name":"maxTokenSupplyForStage","type":"uint256"}],"internalType":"struct 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MultiConfigure","name":"config","type":"tuple"}],"name":"multiConfigure","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":"provenanceHash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"royaltyAmount","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":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newMaxSupply","type":"uint256"}],"name":"setMaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"newProvenanceHash","type":"bytes32"}],"name":"setProvenanceHash","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":[{"internalType":"address","name":"seaDropImpl","type":"address"},{"components":[{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"endTime","type":"uint256"},{"internalType":"uint256","name":"maxTotalMintableByWallet","type":"uint256"},{"internalType":"uint256","name":"maxTokenSupplyForStage","type":"uint256"}],"internalType":"struct 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Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000009446567656e426f6f6b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003444742000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000007c44f55acd72dc0db2558c5299f0edee761a5796
-----Decoded View---------------
Arg [0] : name (string): DegenBook
Arg [1] : symbol (string): DGB
Arg [2] : allowedSeaDrop (address[]): 0x7c44F55aCD72dC0db2558c5299f0EdeE761A5796
-----Encoded View---------------
9 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000009
Arg [4] : 446567656e426f6f6b0000000000000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [6] : 4447420000000000000000000000000000000000000000000000000000000000
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [8] : 0000000000000000000000007c44f55acd72dc0db2558c5299f0edee761a5796
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