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Latest 25 from a total of 435 transactions
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Claim Passport | 17606835 | 489 days ago | IN | 0 ETH | 0.00317137 | ||||
Claim Passport | 17606807 | 489 days ago | IN | 0 ETH | 0.00341176 | ||||
Claim Passport | 17606720 | 489 days ago | IN | 0 ETH | 0.00201485 | ||||
Claim Passport | 17606595 | 489 days ago | IN | 0 ETH | 0.00201338 | ||||
Claim Passport | 17606445 | 489 days ago | IN | 0 ETH | 0.001576 | ||||
Claim Passport | 17605837 | 489 days ago | IN | 0 ETH | 0.00173836 | ||||
Claim Passport | 17605679 | 489 days ago | IN | 0 ETH | 0.0017716 | ||||
Claim Passport | 17605647 | 489 days ago | IN | 0 ETH | 0.00155878 | ||||
Claim Passport | 17605341 | 489 days ago | IN | 0 ETH | 0.00161777 | ||||
Claim Passport | 17604888 | 489 days ago | IN | 0 ETH | 0.00164054 | ||||
Claim Passport | 17604837 | 489 days ago | IN | 0 ETH | 0.00170636 | ||||
Claim Passport | 17604309 | 489 days ago | IN | 0 ETH | 0.00162668 | ||||
Claim Passport | 17604276 | 489 days ago | IN | 0 ETH | 0.00175226 | ||||
Claim Passport | 17604186 | 489 days ago | IN | 0 ETH | 0.00154622 | ||||
Claim Passport | 17604034 | 489 days ago | IN | 0 ETH | 0.00146253 | ||||
Claim Passport | 17604007 | 489 days ago | IN | 0 ETH | 0.0014256 | ||||
Claim Passport | 17603991 | 489 days ago | IN | 0 ETH | 0.00137033 | ||||
Claim Passport | 17603983 | 489 days ago | IN | 0 ETH | 0.00143772 | ||||
Claim Passport | 17603980 | 489 days ago | IN | 0 ETH | 0.0012787 | ||||
Claim Passport | 17603948 | 489 days ago | IN | 0 ETH | 0.00143747 | ||||
Claim Passport | 17603939 | 489 days ago | IN | 0 ETH | 0.00126279 | ||||
Claim Passport | 17603895 | 489 days ago | IN | 0 ETH | 0.00149785 | ||||
Claim Passport | 17603688 | 489 days ago | IN | 0 ETH | 0.00156263 | ||||
Claim Passport | 17602978 | 489 days ago | IN | 0 ETH | 0.00186352 | ||||
Claim Passport | 17602802 | 489 days ago | IN | 0 ETH | 0.00169011 |
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Contract Name:
Cre8orsClaimPassportMinter
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.15; import {IERC721A} from "lib/ERC721A/contracts/interfaces/IERC721A.sol"; import {ERC721A} from "lib/ERC721A/contracts/ERC721A.sol"; import {IERC721Drop} from "../interfaces/IERC721Drop.sol"; import {Cre8orsCollective} from "../Cre8orsCollective.sol"; contract Cre8orsClaimPassportMinter { address private cre8orsClaimContractAddress; address private cre8orsPassportContractAddress; constructor( address _cre8orsClaimContractAddress, address _cre8orsPassportContractAddress ) { cre8orsClaimContractAddress = _cre8orsClaimContractAddress; cre8orsPassportContractAddress = _cre8orsPassportContractAddress; } function claimPassport(uint256 _tokenId) external returns (uint256) { Cre8orsCollective(cre8orsClaimContractAddress).burn(_tokenId); // Mint the token to the sender return IERC721Drop(cre8orsPassportContractAddress).adminMint( msg.sender, 1 ); } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.3 // Creator: Chiru Labs pragma solidity ^0.8.4; import './IERC721A.sol'; /** * @dev Interface of ERC721 token receiver. */ interface ERC721A__IERC721Receiver { function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } /** * @title ERC721A * * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721) * Non-Fungible Token Standard, including the Metadata extension. * Optimized for lower gas during batch mints. * * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...) * starting from `_startTokenId()`. * * Assumptions: * * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply. * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256). */ contract ERC721A is IERC721A { // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364). struct TokenApprovalRef { address value; } // ============================================================= // CONSTANTS // ============================================================= // Mask of an entry in packed address data. uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1; // The bit position of `numberMinted` in packed address data. uint256 private constant _BITPOS_NUMBER_MINTED = 64; // The bit position of `numberBurned` in packed address data. uint256 private constant _BITPOS_NUMBER_BURNED = 128; // The bit position of `aux` in packed address data. uint256 private constant _BITPOS_AUX = 192; // Mask of all 256 bits in packed address data except the 64 bits for `aux`. uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1; // The bit position of `startTimestamp` in packed ownership. uint256 private constant _BITPOS_START_TIMESTAMP = 160; // The bit mask of the `burned` bit in packed ownership. uint256 private constant _BITMASK_BURNED = 1 << 224; // The bit position of the `nextInitialized` bit in packed ownership. uint256 private constant _BITPOS_NEXT_INITIALIZED = 225; // The bit mask of the `nextInitialized` bit in packed ownership. uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225; // The bit position of `extraData` in packed ownership. uint256 private constant _BITPOS_EXTRA_DATA = 232; // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`. uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1; // The mask of the lower 160 bits for addresses. uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1; // The maximum `quantity` that can be minted with {_mintERC2309}. // This limit is to prevent overflows on the address data entries. // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309} // is required to cause an overflow, which is unrealistic. uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000; // The `Transfer` event signature is given by: // `keccak256(bytes("Transfer(address,address,uint256)"))`. bytes32 private constant _TRANSFER_EVENT_SIGNATURE = 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef; // ============================================================= // STORAGE // ============================================================= // The next token ID to be minted. uint256 private _currentIndex; // The number of tokens burned. uint256 private _burnCounter; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to ownership details // An empty struct value does not necessarily mean the token is unowned. // See {_packedOwnershipOf} implementation for details. // // Bits Layout: // - [0..159] `addr` // - [160..223] `startTimestamp` // - [224] `burned` // - [225] `nextInitialized` // - [232..255] `extraData` mapping(uint256 => uint256) private _packedOwnerships; // Mapping owner address to address data. // // Bits Layout: // - [0..63] `balance` // - [64..127] `numberMinted` // - [128..191] `numberBurned` // - [192..255] `aux` mapping(address => uint256) private _packedAddressData; // Mapping from token ID to approved address. mapping(uint256 => TokenApprovalRef) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID. * To change the starting token ID, please override this function. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return _currentIndex; } /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() public view virtual override returns (uint256) { // Counter underflow is impossible as _burnCounter cannot be incremented // more than `_currentIndex - _startTokenId()` times. unchecked { return _currentIndex - _burnCounter - _startTokenId(); } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { return _currentIndex - _startTokenId(); } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } // ============================================================= // ADDRESS DATA OPERATIONS // ============================================================= /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) public view virtual override returns (uint256) { if (owner == address(0)) revert BalanceQueryForZeroAddress(); return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens minted by `owner`. */ function _numberMinted(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the number of tokens burned by or on behalf of `owner`. */ function _numberBurned(address owner) internal view returns (uint256) { return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY; } /** * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). */ function _getAux(address owner) internal view returns (uint64) { return uint64(_packedAddressData[owner] >> _BITPOS_AUX); } /** * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used). * If there are multiple variables, please pack them into a uint64. */ function _setAux(address owner, uint64 aux) internal virtual { uint256 packed = _packedAddressData[owner]; uint256 auxCasted; // Cast `aux` with assembly to avoid redundant masking. assembly { auxCasted := aux } packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX); _packedAddressData[owner] = packed; } // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { // The interface IDs are constants representing the first 4 bytes // of the XOR of all function selectors in the interface. // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165) // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`) return interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165. interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721. interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata. } // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the token collection symbol. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert URIQueryForNonexistentToken(); string memory baseURI = _baseURI(); return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : ''; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, it can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ''; } // ============================================================= // OWNERSHIPS OPERATIONS // ============================================================= /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { return address(uint160(_packedOwnershipOf(tokenId))); } /** * @dev Gas spent here starts off proportional to the maximum mint batch size. * It gradually moves to O(1) as tokens get transferred around over time. */ function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnershipOf(tokenId)); } /** * @dev Returns the unpacked `TokenOwnership` struct at `index`. */ function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) { return _unpackedOwnership(_packedOwnerships[index]); } /** * @dev Initializes the ownership slot minted at `index` for efficiency purposes. */ function _initializeOwnershipAt(uint256 index) internal virtual { if (_packedOwnerships[index] == 0) { _packedOwnerships[index] = _packedOwnershipOf(index); } } /** * Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256 packed) { if (_startTokenId() <= tokenId) { packed = _packedOwnerships[tokenId]; // If not burned. if (packed & _BITMASK_BURNED == 0) { // If the data at the starting slot does not exist, start the scan. if (packed == 0) { if (tokenId >= _currentIndex) revert OwnerQueryForNonexistentToken(); // Invariant: // There will always be an initialized ownership slot // (i.e. `ownership.addr != address(0) && ownership.burned == false`) // before an unintialized ownership slot // (i.e. `ownership.addr == address(0) && ownership.burned == false`) // Hence, `tokenId` will not underflow. // // We can directly compare the packed value. // If the address is zero, packed will be zero. for (;;) { unchecked { packed = _packedOwnerships[--tokenId]; } if (packed == 0) continue; return packed; } } // Otherwise, the data exists and is not burned. We can skip the scan. // This is possible because we have already achieved the target condition. // This saves 2143 gas on transfers of initialized tokens. 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. See {ERC721A-_approve}. * * Requirements: * * - The caller must own the token or be an approved operator. */ function approve(address to, uint256 tokenId) public payable virtual override { _approve(to, tokenId, true); } /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken(); return _tokenApprovals[tokenId].value; } /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) public virtual override { _operatorApprovals[_msgSenderERC721A()][operator] = approved; emit ApprovalForAll(_msgSenderERC721A(), operator, approved); } /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted. See {_mint}. */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _startTokenId() <= tokenId && tokenId < _currentIndex && // If within bounds, _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned. } /** * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`. */ function _isSenderApprovedOrOwner( address approvedAddress, address owner, address msgSender ) private pure returns (bool result) { assembly { // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean. owner := and(owner, _BITMASK_ADDRESS) // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean. msgSender := and(msgSender, _BITMASK_ADDRESS) // `msgSender == owner || msgSender == approvedAddress`. result := or(eq(msgSender, owner), eq(msgSender, approvedAddress)) } } /** * @dev Returns the storage slot and value for the approved address of `tokenId`. */ function _getApprovedSlotAndAddress(uint256 tokenId) private view returns (uint256 approvedAddressSlot, address approvedAddress) { TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId]; // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`. assembly { approvedAddressSlot := tokenApproval.slot approvedAddress := sload(approvedAddressSlot) } } // ============================================================= // TRANSFER OPERATIONS // ============================================================= /** * @dev Transfers `tokenId` from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) public payable virtual override { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner(); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); if (to == address(0)) revert TransferToZeroAddress(); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // We can directly increment and decrement the balances. --_packedAddressData[from]; // Updates: `balance -= 1`. ++_packedAddressData[to]; // Updates: `balance += 1`. // Updates: // - `address` to the next owner. // - `startTimestamp` to the timestamp of transfering. // - `burned` to `false`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( to, _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public payable virtual override { safeTransferFrom(from, to, tokenId, ''); } /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public payable virtual override { transferFrom(from, to, tokenId); if (to.code.length != 0) if (!_checkContractOnERC721Received(from, to, tokenId, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } /** * @dev Hook that is called before a set of serially-ordered token IDs * are about to be transferred. This includes minting. * And also called before burning one token. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token IDs * have been transferred. This includes minting. * And also called after one token has been burned. * * `startTokenId` - the first token ID to be transferred. * `quantity` - the amount to be transferred. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been * transferred to `to`. * - When `from` is zero, `tokenId` has been minted for `to`. * - When `to` is zero, `tokenId` has been burned by `from`. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract. * * `from` - Previous owner of the given token ID. * `to` - Target address that will receive the token. * `tokenId` - Token ID to be transferred. * `_data` - Optional data to send along with the call. * * Returns whether the call correctly returned the expected magic value. */ function _checkContractOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns ( bytes4 retval ) { return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert TransferToNonERC721ReceiverImplementer(); } else { assembly { revert(add(32, reason), mload(reason)) } } } } // ============================================================= // MINT OPERATIONS // ============================================================= /** * @dev Mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {Transfer} event for each mint. */ function _mint(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (quantity == 0) revert MintZeroQuantity(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are incredibly unrealistic. // `balance` and `numberMinted` have a maximum limit of 2**64. // `tokenId` has a maximum limit of 2**256. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); uint256 toMasked; uint256 end = startTokenId + quantity; // Use assembly to loop and emit the `Transfer` event for gas savings. // The duplicated `log4` removes an extra check and reduces stack juggling. // The assembly, together with the surrounding Solidity code, have been // delicately arranged to nudge the compiler into producing optimized opcodes. assembly { // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean. toMasked := and(to, _BITMASK_ADDRESS) // Emit the `Transfer` event. log4( 0, // Start of data (0, since no data). 0, // End of data (0, since no data). _TRANSFER_EVENT_SIGNATURE, // Signature. 0, // `address(0)`. toMasked, // `to`. startTokenId // `tokenId`. ) // The `iszero(eq(,))` check ensures that large values of `quantity` // that overflows uint256 will make the loop run out of gas. // The compiler will optimize the `iszero` away for performance. for { let tokenId := add(startTokenId, 1) } iszero(eq(tokenId, end)) { tokenId := add(tokenId, 1) } { // Emit the `Transfer` event. Similar to above. log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId) } } if (toMasked == 0) revert MintToZeroAddress(); _currentIndex = end; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Mints `quantity` tokens and transfers them to `to`. * * This function is intended for efficient minting only during contract creation. * * It emits only one {ConsecutiveTransfer} as defined in * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309), * instead of a sequence of {Transfer} event(s). * * Calling this function outside of contract creation WILL make your contract * non-compliant with the ERC721 standard. * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309 * {ConsecutiveTransfer} event is only permissible during contract creation. * * Requirements: * * - `to` cannot be the zero address. * - `quantity` must be greater than 0. * * Emits a {ConsecutiveTransfer} event. */ function _mintERC2309(address to, uint256 quantity) internal virtual { uint256 startTokenId = _currentIndex; if (to == address(0)) revert MintToZeroAddress(); if (quantity == 0) revert MintZeroQuantity(); if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit(); _beforeTokenTransfers(address(0), to, startTokenId, quantity); // Overflows are unrealistic due to the above check for `quantity` to be below the limit. unchecked { // Updates: // - `balance += quantity`. // - `numberMinted += quantity`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1); // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `quantity == 1`. _packedOwnerships[startTokenId] = _packOwnershipData( to, _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0) ); emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to); _currentIndex = startTokenId + quantity; } _afterTokenTransfers(address(0), to, startTokenId, quantity); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * See {_mint}. * * Emits a {Transfer} event for each mint. */ function _safeMint( address to, uint256 quantity, bytes memory _data ) internal virtual { _mint(to, quantity); unchecked { if (to.code.length != 0) { uint256 end = _currentIndex; uint256 index = end - quantity; do { if (!_checkContractOnERC721Received(address(0), to, index++, _data)) { revert TransferToNonERC721ReceiverImplementer(); } } while (index < end); // Reentrancy protection. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } // ============================================================= // APPROVAL OPERATIONS // ============================================================= /** * @dev Equivalent to `_approve(to, tokenId, false)`. */ function _approve(address to, uint256 tokenId) internal virtual { _approve(to, tokenId, false); } /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - `tokenId` must exist. * * Emits an {Approval} event. */ function _approve( address to, uint256 tokenId, bool approvalCheck ) internal virtual { address owner = ownerOf(tokenId); if (approvalCheck) if (_msgSenderERC721A() != owner) if (!isApprovedForAll(owner, _msgSenderERC721A())) { revert ApprovalCallerNotOwnerNorApproved(); } _tokenApprovals[tokenId].value = to; emit Approval(owner, to, tokenId); } // ============================================================= // BURN OPERATIONS // ============================================================= /** * @dev Equivalent to `_burn(tokenId, false)`. */ function _burn(uint256 tokenId) internal virtual { _burn(tokenId, false); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId, bool approvalCheck) internal virtual { uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId); address from = address(uint160(prevOwnershipPacked)); (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId); if (approvalCheck) { // The nested ifs save around 20+ gas over a compound boolean condition. if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A())) if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved(); } _beforeTokenTransfers(from, address(0), tokenId, 1); // Clear approvals from the previous owner. assembly { if approvedAddress { // This is equivalent to `delete _tokenApprovals[tokenId]`. sstore(approvedAddressSlot, 0) } } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256. unchecked { // Updates: // - `balance -= 1`. // - `numberBurned += 1`. // // We can directly decrement the balance, and increment the number burned. // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`. _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1; // Updates: // - `address` to the last owner. // - `startTimestamp` to the timestamp of burning. // - `burned` to `true`. // - `nextInitialized` to `true`. _packedOwnerships[tokenId] = _packOwnershipData( from, (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked) ); // If the next slot may not have been initialized (i.e. `nextInitialized == false`) . if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) { uint256 nextTokenId = tokenId + 1; // If the next slot's address is zero and not burned (i.e. packed value is zero). if (_packedOwnerships[nextTokenId] == 0) { // If the next slot is within bounds. if (nextTokenId != _currentIndex) { // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`. _packedOwnerships[nextTokenId] = prevOwnershipPacked; } } } } emit Transfer(from, address(0), tokenId); _afterTokenTransfers(from, address(0), tokenId, 1); // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times. unchecked { _burnCounter++; } } // ============================================================= // EXTRA DATA OPERATIONS // ============================================================= /** * @dev Directly sets the extra data for the ownership data `index`. */ function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual { uint256 packed = _packedOwnerships[index]; if (packed == 0) revert OwnershipNotInitializedForExtraData(); uint256 extraDataCasted; // Cast `extraData` with assembly to avoid redundant masking. assembly { extraDataCasted := extraData } packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA); _packedOwnerships[index] = packed; } /** * @dev Called during each token transfer to set the 24bit `extraData` field. * Intended to be overridden by the cosumer contract. * * `previousExtraData` - the value of `extraData` before transfer. * * Calling conditions: * * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, `tokenId` will be burned by `from`. * - `from` and `to` are never both zero. */ function _extraData( address from, address to, uint24 previousExtraData ) internal view virtual returns (uint24) {} /** * @dev Returns the next extra data for the packed ownership data. * The returned result is shifted into position. */ function _nextExtraData( address from, address to, uint256 prevOwnershipPacked ) private view returns (uint256) { uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA); return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA; } // ============================================================= // OTHER OPERATIONS // ============================================================= /** * @dev Returns the message sender (defaults to `msg.sender`). * * If you are writing GSN compatible contracts, you need to override this function. */ function _msgSenderERC721A() internal view virtual returns (address) { return msg.sender; } /** * @dev Converts a uint256 to its ASCII string decimal representation. */ function _toString(uint256 value) internal pure virtual returns (string memory str) { assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), but // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned. // We will need 1 word for the trailing zeros padding, 1 word for the length, // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0. let m := add(mload(0x40), 0xa0) // Update the free memory pointer to allocate. mstore(0x40, m) // Assign the `str` to the end. str := sub(m, 0x20) // Zeroize the slot after the string. mstore(str, 0) // Cache the end of the memory to calculate the length later. let end := str // We write the string from rightmost digit to leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // prettier-ignore for { let temp := value } 1 {} { str := sub(str, 1) // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(str, add(48, mod(temp, 10))) // Keep dividing `temp` until zero. temp := div(temp, 10) // prettier-ignore if iszero(temp) { break } } let length := sub(end, str) // Move the pointer 32 bytes leftwards to make room for the length. str := sub(str, 0x20) // Store the length. mstore(str, length) } } }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.3 // Creator: Chiru Labs pragma solidity ^0.8.4; /** * @dev Interface of ERC721A. */ interface IERC721A { /** * The caller must own the token or be an approved operator. */ error ApprovalCallerNotOwnerNorApproved(); /** * The token does not exist. */ error ApprovalQueryForNonexistentToken(); /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The token does not exist. */ error OwnerQueryForNonexistentToken(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * The token must be owned by `from`. */ error TransferFromIncorrectOwner(); /** * Cannot safely transfer to a contract that does not implement the * ERC721Receiver interface. */ error TransferToNonERC721ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * The token does not exist. */ error URIQueryForNonexistentToken(); /** * The `quantity` minted with ERC2309 exceeds the safety limit. */ error MintERC2309QuantityExceedsLimit(); /** * The `extraData` cannot be set on an unintialized ownership slot. */ error OwnershipNotInitializedForExtraData(); // ============================================================= // STRUCTS // ============================================================= struct TokenOwnership { // The address of the owner. address addr; // Stores the start time of ownership with minimal overhead for tokenomics. uint64 startTimestamp; // Whether the token has been burned. bool burned; // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}. uint24 extraData; } // ============================================================= // TOKEN COUNTERS // ============================================================= /** * @dev Returns the total number of tokens in existence. * Burned tokens will reduce the count. * To get the total number of tokens minted, please see {_totalMinted}. */ function totalSupply() external view returns (uint256); // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); // ============================================================= // IERC721 // ============================================================= /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables * (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in `owner`'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, * checking first that contract recipients are aware of the ERC721 protocol * to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move * this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external payable; /** * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external payable; /** * @dev Transfers `tokenId` from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} * whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token * by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external payable; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the * zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external payable; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, address operator) external view returns (bool); // ============================================================= // IERC721Metadata // ============================================================= /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); // ============================================================= // IERC2309 // ============================================================= /** * @dev Emitted when tokens in `fromTokenId` to `toTokenId` * (inclusive) is transferred from `from` to `to`, as defined in the * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard. * * See {_mintERC2309} for more details. */ event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to); }
// SPDX-License-Identifier: MIT // ERC721A Contracts v4.2.3 // Creator: Chiru Labs pragma solidity ^0.8.4; import '../IERC721A.sol';
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (access/AccessControl.sol) pragma solidity ^0.8.0; import "./IAccessControl.sol"; import "../utils/Context.sol"; import "../utils/Strings.sol"; import "../utils/introspection/ERC165.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ``` * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ``` * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. */ abstract contract AccessControl is Context, IAccessControl, ERC165 { struct RoleData { mapping(address => bool) members; bytes32 adminRole; } mapping(bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with a standardized message including the required role. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `_msgSender()` is missing `role`. * Overriding this function changes the behavior of the {onlyRole} modifier. * * Format of the revert message is described in {_checkRole}. * * _Available since v4.6._ */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", Strings.toHexString(account), " is missing role ", Strings.toHexString(uint256(role), 32) ) ) ); } } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleGranted} event. */ function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleRevoked} event. */ function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been revoked `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address account) public virtual override { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * May emit a {RoleGranted} event. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== * * NOTE: This function is deprecated in favor of {_grantRole}. */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { bytes32 previousAdminRole = getRoleAdmin(role); _roles[role].adminRole = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /** * @dev Grants `role` to `account`. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual { if (!hasRole(role, account)) { _roles[role].members[account] = true; emit RoleGranted(role, account, _msgSender()); } } /** * @dev Revokes `role` from `account`. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual { if (hasRole(role, account)) { _roles[role].members[account] = false; emit RoleRevoked(role, account, _msgSender()); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) external; }
// 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 (last updated v4.8.0) (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { _nonReentrantBefore(); _; _nonReentrantAfter(); } function _nonReentrantBefore() private { // On the first call to nonReentrant, _status will be _NOT_ENTERED require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; } function _nonReentrantAfter() private { // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } /** * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a * `nonReentrant` function in the call stack. */ function _reentrancyGuardEntered() internal view returns (bool) { return _status == _ENTERED; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts 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 (last updated v4.8.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/MerkleProof.sol) pragma solidity ^0.8.0; /** * @dev These functions deal with verification of Merkle Tree proofs. * * The tree and the proofs can be generated using our * https://github.com/OpenZeppelin/merkle-tree[JavaScript library]. * You will find a quickstart guide in the readme. * * WARNING: You should avoid using leaf values that are 64 bytes long prior to * hashing, or use a hash function other than keccak256 for hashing leaves. * This is because the concatenation of a sorted pair of internal nodes in * the merkle tree could be reinterpreted as a leaf value. * OpenZeppelin's JavaScript library generates merkle trees that are safe * against this attack out of the box. */ library MerkleProof { /** * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree * defined by `root`. For this, a `proof` must be provided, containing * sibling hashes on the branch from the leaf to the root of the tree. Each * pair of leaves and each pair of pre-images are assumed to be sorted. */ function verify( bytes32[] memory proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProof(proof, leaf) == root; } /** * @dev Calldata version of {verify} * * _Available since v4.7._ */ function verifyCalldata( bytes32[] calldata proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProofCalldata(proof, leaf) == root; } /** * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt * hash matches the root of the tree. When processing the proof, the pairs * of leafs & pre-images are assumed to be sorted. * * _Available since v4.4._ */ function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Calldata version of {processProof} * * _Available since v4.7._ */ function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}. * * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details. * * _Available since v4.7._ */ function multiProofVerify( bytes32[] memory proof, bool[] memory proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProof(proof, proofFlags, leaves) == root; } /** * @dev Calldata version of {multiProofVerify} * * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details. * * _Available since v4.7._ */ function multiProofVerifyCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProofCalldata(proof, proofFlags, leaves) == root; } /** * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false * respectively. * * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer). * * _Available since v4.7._ */ function processMultiProof( bytes32[] memory proof, bool[] memory proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Calldata version of {processMultiProof}. * * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details. * * _Available since v4.7._ */ function processMultiProofCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) { return a < b ? _efficientHash(a, b) : _efficientHash(b, a); } function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) { /// @solidity memory-safe-assembly assembly { mstore(0x00, a) mstore(0x20, b) value := keccak256(0x00, 0x40) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts 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 // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv( uint256 x, uint256 y, uint256 denominator ) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1, "Math: mulDiv overflow"); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv( uint256 x, uint256 y, uint256 denominator, Rounding rounding ) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10**64) { value /= 10**64; result += 64; } if (value >= 10**32) { value /= 10**32; result += 32; } if (value >= 10**16) { value /= 10**16; result += 16; } if (value >= 10**8) { value /= 10**8; result += 8; } if (value >= 10**4) { value /= 10**4; result += 4; } if (value >= 10**2) { value /= 10**2; result += 2; } if (value >= 10**1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.15; import {AccessControl} from "lib/openzeppelin-contracts/contracts/access/AccessControl.sol"; /** ██████╗██████╗ ███████╗ █████╗ ██████╗ ██████╗ ███████╗ ██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝ ██║ ██████╔╝█████╗ ╚█████╔╝██║ ██║██████╔╝███████╗ ██║ ██╔══██╗██╔══╝ ██╔══██╗██║ ██║██╔══██╗╚════██║ ╚██████╗██║ ██║███████╗╚█████╔╝╚██████╔╝██║ ██║███████║ ╚═════╝╚═╝ ╚═╝╚══════╝ ╚════╝ ╚═════╝ ╚═╝ ╚═╝╚══════╝ */ /// @dev inspiration: https://etherscan.io/address/0x23581767a106ae21c074b2276d25e5c3e136a68b#code contract Cre8iveAdmin is AccessControl { /// @notice Access control roles bytes32 public immutable MINTER_ROLE = keccak256("MINTER"); bytes32 public immutable SALES_MANAGER_ROLE = keccak256("SALES_MANAGER"); /// @notice Role of administrative users allowed to expel a CRE8OR from the Warehouse. /// @dev See expelFromWarehouse(). bytes32 public constant EXPULSION_ROLE = keccak256("EXPULSION_ROLE"); /// @notice Missing the given role or admin access error AdminAccess_MissingRoleOrAdmin(bytes32 role); constructor(address _initialOwner) { // Setup the owner role _setupRole(DEFAULT_ADMIN_ROLE, _initialOwner); } ///////////////////////////////////////////////// /// MODIFIERS ///////////////////////////////////////////////// /// @notice Only a given role has access or admin /// @param role role to check for alongside the admin role modifier onlyRoleOrAdmin(bytes32 role) { if ( !hasRole(DEFAULT_ADMIN_ROLE, msg.sender) && !hasRole(role, msg.sender) ) { revert AdminAccess_MissingRoleOrAdmin(role); } _; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.15; import {ERC721A} from "lib/ERC721A/contracts/ERC721A.sol"; import {IERC721A} from "lib/ERC721A/contracts/IERC721A.sol"; import {AccessControl} from "lib/openzeppelin-contracts/contracts/access/AccessControl.sol"; import {IERC2981, IERC165} from "lib/openzeppelin-contracts/contracts/interfaces/IERC2981.sol"; import {ReentrancyGuard} from "lib/openzeppelin-contracts/contracts/security/ReentrancyGuard.sol"; import {MerkleProof} from "lib/openzeppelin-contracts/contracts/utils/cryptography/MerkleProof.sol"; import {IERC721Drop} from "./interfaces/IERC721Drop.sol"; import {IMetadataRenderer} from "./interfaces/IMetadataRenderer.sol"; import {ERC721DropStorageV1} from "./storage/ERC721DropStorageV1.sol"; import {OwnableSkeleton} from "./utils/OwnableSkeleton.sol"; import {IOwnable} from "./interfaces/IOwnable.sol"; import {Cre8iveAdmin} from "./Cre8iveAdmin.sol"; /** ██████╗██████╗ ███████╗ █████╗ ██████╗ ██████╗ ███████╗ ██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝ ██║ ██████╔╝█████╗ ╚█████╔╝██║ ██║██████╔╝███████╗ ██║ ██╔══██╗██╔══╝ ██╔══██╗██║ ██║██╔══██╗╚════██║ ╚██████╗██║ ██║███████╗╚█████╔╝╚██████╔╝██║ ██║███████║ ╚═════╝╚═╝ ╚═╝╚══════╝ ╚════╝ ╚═════╝ ╚═╝ ╚═╝╚══════╝ */ /// @dev inspiration: https://github.com/ourzora/zora-drops-contracts contract Cre8orsCollective is Cre8iveAdmin, ERC721A, IERC2981, ReentrancyGuard, IERC721Drop, OwnableSkeleton, ERC721DropStorageV1 { /// @dev This is the max mint batch size for the optimized ERC721A mint contract uint256 internal constant MAX_MINT_BATCH_SIZE = 8; /// @dev Gas limit to send funds uint256 internal constant FUNDS_SEND_GAS_LIMIT = 210_000; constructor( string memory _contractName, string memory _contractSymbol, address _initialOwner, address payable _fundsRecipient, uint64 _editionSize, uint16 _royaltyBPS, SalesConfiguration memory _salesConfig, IMetadataRenderer _metadataRenderer ) ERC721A(_contractName, _contractSymbol) ReentrancyGuard() Cre8iveAdmin(_initialOwner) { // Set ownership to original sender of contract call _setOwner(_initialOwner); // Update salesConfig salesConfig = _salesConfig; // Setup config variables config.editionSize = _editionSize; config.metadataRenderer = _metadataRenderer; config.royaltyBPS = _royaltyBPS; config.fundsRecipient = _fundsRecipient; } /// @dev Getter for admin role associated with the contract to handle metadata /// @return boolean if address is admin function isAdmin(address user) external view returns (bool) { return hasRole(DEFAULT_ADMIN_ROLE, user); } /// @notice mint function /// @dev This allows the user to purchase an edition /// @dev at the given price in the contract. function purchase( uint256 quantity ) external payable nonReentrant canMintTokens(quantity) onlyPublicSaleActive returns (uint256) { uint256 salePrice = salesConfig.publicSalePrice; if (msg.value != salePrice * quantity) { revert Purchase_WrongPrice(salePrice * quantity); } // If max purchase per address == 0 there is no limit. // Any other number, the per address mint limit is that. if ( salesConfig.maxSalePurchasePerAddress != 0 && _numberMinted(_msgSender()) + quantity - presaleMintsByAddress[_msgSender()] > salesConfig.maxSalePurchasePerAddress ) { revert Purchase_TooManyForAddress(); } _mintNFTs(_msgSender(), quantity); uint256 firstMintedTokenId = _lastMintedTokenId() - quantity; emit IERC721Drop.Sale({ to: _msgSender(), quantity: quantity, pricePerToken: salePrice, firstPurchasedTokenId: firstMintedTokenId }); return firstMintedTokenId; } /// @notice Merkle-tree based presale purchase function /// @param quantity quantity to purchase /// @param maxQuantity max quantity that can be purchased via merkle proof # /// @param pricePerToken price that each token is purchased at /// @param merkleProof proof for presale mint function purchasePresale( uint256 quantity, uint256 maxQuantity, uint256 pricePerToken, bytes32[] calldata merkleProof ) external payable nonReentrant canMintTokens(quantity) onlyPresaleActive returns (uint256) { if ( !MerkleProof.verify( merkleProof, salesConfig.presaleMerkleRoot, keccak256( // address, uint256, uint256 abi.encode(msg.sender, maxQuantity, pricePerToken) ) ) ) { revert Presale_MerkleNotApproved(); } if (msg.value != pricePerToken * quantity) { revert Purchase_WrongPrice(pricePerToken * quantity); } presaleMintsByAddress[_msgSender()] += quantity; if (presaleMintsByAddress[_msgSender()] > maxQuantity) { revert Presale_TooManyForAddress(); } _mintNFTs(_msgSender(), quantity); uint256 firstMintedTokenId = _lastMintedTokenId() - quantity; emit IERC721Drop.Sale({ to: _msgSender(), quantity: quantity, pricePerToken: pricePerToken, firstPurchasedTokenId: firstMintedTokenId }); return firstMintedTokenId; } /// @notice Mint admin /// @param recipient recipient to mint to /// @param quantity quantity to mint function adminMint( address recipient, uint256 quantity ) external onlyRoleOrAdmin(MINTER_ROLE) canMintTokens(quantity) returns (uint256) { _mintNFTs(recipient, quantity); return _lastMintedTokenId(); } /// @dev This mints multiple editions to the given list of addresses. /// @param recipients list of addresses to send the newly minted editions to function adminMintAirdrop( address[] calldata recipients ) external override onlyRoleOrAdmin(MINTER_ROLE) canMintTokens(recipients.length) returns (uint256) { uint256 atId = _nextTokenId(); uint256 startAt = atId; unchecked { for ( uint256 endAt = atId + recipients.length; atId < endAt; atId++ ) { _mintNFTs(recipients[atId - startAt], 1); } } return _lastMintedTokenId(); } /// @dev Get royalty information for token /// @param _salePrice Sale price for the token function royaltyInfo( uint256, uint256 _salePrice ) external view override returns (address receiver, uint256 royaltyAmount) { if (config.fundsRecipient == address(0)) { return (config.fundsRecipient, 0); } return ( config.fundsRecipient, (_salePrice * config.royaltyBPS) / 10_000 ); } /// @notice Function to mint NFTs /// @dev (important: Does not enforce max supply limit, enforce that limit earlier) /// @dev This batches in size of 8 as per recommended by ERC721A creators /// @param to address to mint NFTs to /// @param quantity number of NFTs to mint function _mintNFTs(address to, uint256 quantity) internal { do { uint256 toMint = quantity > MAX_MINT_BATCH_SIZE ? MAX_MINT_BATCH_SIZE : quantity; _mint({to: to, quantity: toMint}); quantity -= toMint; } while (quantity > 0); } /// @param tokenId Token ID to burn /// @notice User burn function for token id function burn(uint256 tokenId) public { _burn(tokenId, true); } /// @notice Sale details /// @return IERC721Drop.SaleDetails sale information details function saleDetails() external view returns (IERC721Drop.ERC20SaleDetails memory) { return IERC721Drop.ERC20SaleDetails({ erc20PaymentToken: salesConfig.erc20PaymentToken, publicSaleActive: _publicSaleActive(), presaleActive: _presaleActive(), publicSalePrice: salesConfig.publicSalePrice, publicSaleStart: salesConfig.publicSaleStart, publicSaleEnd: salesConfig.publicSaleEnd, presaleStart: salesConfig.presaleStart, presaleEnd: salesConfig.presaleEnd, presaleMerkleRoot: salesConfig.presaleMerkleRoot, totalMinted: _totalMinted(), maxSupply: config.editionSize, maxSalePurchasePerAddress: salesConfig.maxSalePurchasePerAddress }); } /// @dev Number of NFTs the user has minted per address /// @param minter to get counts for function mintedPerAddress( address minter ) external view override returns (IERC721Drop.AddressMintDetails memory) { return IERC721Drop.AddressMintDetails({ presaleMints: presaleMintsByAddress[minter], publicMints: _numberMinted(minter) - presaleMintsByAddress[minter], totalMints: _numberMinted(minter) }); } ///////////////////////////////////////////////// /// ADMIN ///////////////////////////////////////////////// /// @dev Set new owner for royalties / opensea /// @param newOwner new owner to set function setOwner(address newOwner) public onlyAdmin { _setOwner(newOwner); } /// @notice Set a different funds recipient /// @param newRecipientAddress new funds recipient address function setFundsRecipient( address payable newRecipientAddress ) external onlyRoleOrAdmin(SALES_MANAGER_ROLE) { // TODO(iain): funds recipient cannot be 0? config.fundsRecipient = newRecipientAddress; emit FundsRecipientChanged(newRecipientAddress, _msgSender()); } /// @dev This sets the sales configuration // / @param publicSalePrice New public sale price function setSaleConfiguration( address erc20PaymentToken, uint104 publicSalePrice, uint32 maxSalePurchasePerAddress, uint64 publicSaleStart, uint64 publicSaleEnd, uint64 presaleStart, uint64 presaleEnd, bytes32 presaleMerkleRoot ) external onlyAdmin onlyRoleOrAdmin(SALES_MANAGER_ROLE) { salesConfig.erc20PaymentToken = erc20PaymentToken; salesConfig.publicSalePrice = publicSalePrice; salesConfig.maxSalePurchasePerAddress = maxSalePurchasePerAddress; salesConfig.publicSaleStart = publicSaleStart; salesConfig.publicSaleEnd = publicSaleEnd; salesConfig.presaleStart = presaleStart; salesConfig.presaleEnd = presaleEnd; salesConfig.presaleMerkleRoot = presaleMerkleRoot; emit SalesConfigChanged(_msgSender()); } /// @notice Set a new metadata renderer /// @param newRenderer new renderer address to use /// @param setupRenderer data to setup new renderer with function setMetadataRenderer( IMetadataRenderer newRenderer, bytes memory setupRenderer ) external onlyAdmin { config.metadataRenderer = newRenderer; if (setupRenderer.length > 0) { newRenderer.initializeWithData(setupRenderer); } emit UpdatedMetadataRenderer({ sender: msg.sender, renderer: newRenderer }); } /// @notice This withdraws ETH from the contract to the contract owner. function withdraw() external nonReentrant { address sender = _msgSender(); // Get fee amount uint256 funds = address(this).balance; if ( !hasRole(DEFAULT_ADMIN_ROLE, sender) && !hasRole(SALES_MANAGER_ROLE, sender) && sender != config.fundsRecipient ) { revert Access_WithdrawNotAllowed(); } // Payout recipient (bool successFunds, ) = config.fundsRecipient.call{ value: funds, gas: FUNDS_SEND_GAS_LIMIT }(""); if (!successFunds) { revert Withdraw_FundsSendFailure(); } } ///////////////////////////////////////////////// /// UTILITY FUNCTIONS ///////////////////////////////////////////////// /// @notice Getter for last minted token ID (gets next token id and subtracts 1) function _lastMintedTokenId() internal view returns (uint256) { return _nextTokenId() - 1; } /// @notice time between start - end function _publicSaleActive() internal view returns (bool) { return salesConfig.publicSaleStart <= block.timestamp && salesConfig.publicSaleEnd > block.timestamp; } /// @notice time between presaleStart - presaleEnd function _presaleActive() internal view returns (bool) { return salesConfig.presaleStart <= block.timestamp && salesConfig.presaleEnd > block.timestamp; } ///////////////////////////////////////////////// /// MODIFIERS ///////////////////////////////////////////////// /// @notice Only allow for users with admin access modifier onlyAdmin() { if (!hasRole(DEFAULT_ADMIN_ROLE, msg.sender)) { revert Access_OnlyAdmin(); } _; } /// @notice Requires that msg.sender owns or is approved for the token. modifier onlyApprovedOrOwner(uint256 tokenId) { if ( _ownershipOf(tokenId).addr != _msgSender() && getApproved(tokenId) != _msgSender() ) { revert Access_MissingOwnerOrApproved(); } _; } /// @notice Allows user to mint tokens at a quantity modifier canMintTokens(uint256 quantity) { if (quantity + _totalMinted() > config.editionSize) { revert Mint_SoldOut(); } _; } /// @notice Public sale active modifier onlyPublicSaleActive() { if (!_publicSaleActive()) { revert Sale_Inactive(); } _; } /// @notice Presale active modifier onlyPresaleActive() { if (!_presaleActive()) { revert Presale_Inactive(); } _; } ///////////////////////////////////////////////// /// OVERRIDES ///////////////////////////////////////////////// /// @notice ERC165 supports interface /// @param interfaceId interface id to check if supported function supportsInterface( bytes4 interfaceId ) public view override(IERC165, ERC721A, AccessControl) returns (bool) { return super.supportsInterface(interfaceId) || type(IOwnable).interfaceId == interfaceId || type(IERC2981).interfaceId == interfaceId || type(IERC721Drop).interfaceId == interfaceId; } /// @notice Simple override for owner interface. /// @return user owner address function owner() public view override(OwnableSkeleton, IERC721Drop) returns (address) { return super.owner(); } /// @notice Start token ID for minting (1-100 vs 0-99) function _startTokenId() internal pure override returns (uint256) { return 1; } /// @notice Token URI Getter, proxies to metadataRenderer /// @param tokenId id of token to get URI for /// @return Token URI function tokenURI( uint256 tokenId ) public view override returns (string memory) { if (!_exists(tokenId)) { revert IERC721A.URIQueryForNonexistentToken(); } return config.metadataRenderer.tokenURI(tokenId); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.15; import {IMetadataRenderer} from "../interfaces/IMetadataRenderer.sol"; /** ██████╗██████╗ ███████╗ █████╗ ██████╗ ██████╗ ███████╗ ██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝ ██║ ██████╔╝█████╗ ╚█████╔╝██║ ██║██████╔╝███████╗ ██║ ██╔══██╗██╔══╝ ██╔══██╗██║ ██║██╔══██╗╚════██║ ╚██████╗██║ ██║███████╗╚█████╔╝╚██████╔╝██║ ██║███████║ ╚═════╝╚═╝ ╚═╝╚══════╝ ╚════╝ ╚═════╝ ╚═╝ ╚═╝╚══════╝ */ /// @notice Interface for ZORA Drops contract interface IERC721Drop { // Access errors /// @notice Only admin can access this function error Access_OnlyAdmin(); /// @notice Missing the given role or admin access error Access_MissingRoleOrAdmin(bytes32 role); /// @notice Withdraw is not allowed by this user error Access_WithdrawNotAllowed(); /// @notice Cannot withdraw funds due to ETH send failure. error Withdraw_FundsSendFailure(); /// @notice Missing the owner role. error Access_OnlyOwner(); /// @notice Missing the owner role or approved nft access. error Access_MissingOwnerOrApproved(); // CRE8ING errors /// @notice Cre8ing Closed error Cre8ing_Cre8ingClosed(); /// @notice Cre8ing error Cre8ing_Cre8ing(); // Sale/Purchase errors /// @notice Sale is inactive error Sale_Inactive(); /// @notice Presale is inactive error Presale_Inactive(); /// @notice Presale merkle root is invalid error Presale_MerkleNotApproved(); /// @notice Wrong price for purchase error Purchase_WrongPrice(uint256 correctPrice); /// @notice NFT sold out error Mint_SoldOut(); /// @notice Too many purchase for address error Purchase_TooManyForAddress(); /// @notice Too many presale for address error Presale_TooManyForAddress(); // Admin errors /// @notice Royalty percentage too high error Setup_RoyaltyPercentageTooHigh(uint16 maxRoyaltyBPS); /// @notice Invalid admin upgrade address error Admin_InvalidUpgradeAddress(address proposedAddress); /// @notice Unable to finalize an edition not marked as open (size set to uint64_max_value) error Admin_UnableToFinalizeNotOpenEdition(); /// @notice Event emitted for each sale /// @param to address sale was made to /// @param quantity quantity of the minted nfts /// @param pricePerToken price for each token /// @param firstPurchasedTokenId first purchased token ID (to get range add to quantity for max) event Sale( address indexed to, uint256 indexed quantity, uint256 indexed pricePerToken, uint256 firstPurchasedTokenId ); /// @notice Sales configuration has been changed /// @dev To access new sales configuration, use getter function. /// @param changedBy Changed by user event SalesConfigChanged(address indexed changedBy); /// @notice Event emitted when the funds recipient is changed /// @param newAddress new address for the funds recipient /// @param changedBy address that the recipient is changed by event FundsRecipientChanged( address indexed newAddress, address indexed changedBy ); /// @notice Event emitted when the funds are withdrawn from the minting contract /// @param withdrawnBy address that issued the withdraw /// @param withdrawnTo address that the funds were withdrawn to /// @param amount amount that was withdrawn event FundsWithdrawn( address indexed withdrawnBy, address indexed withdrawnTo, uint256 amount ); /// @notice Event emitted when an open mint is finalized and further minting is closed forever on the contract. /// @param sender address sending close mint /// @param numberOfMints number of mints the contract is finalized at event OpenMintFinalized(address indexed sender, uint256 numberOfMints); /// @notice Event emitted when metadata renderer is updated. /// @param sender address of the updater /// @param renderer new metadata renderer address event UpdatedMetadataRenderer(address sender, IMetadataRenderer renderer); /// @notice General configuration for NFT Minting and bookkeeping struct Configuration { /// @dev Metadata renderer (uint160) IMetadataRenderer metadataRenderer; /// @dev Total size of edition that can be minted (uint160+64 = 224) uint64 editionSize; /// @dev Royalty amount in bps (uint224+16 = 240) uint16 royaltyBPS; /// @dev Funds recipient for sale (new slot, uint160) address payable fundsRecipient; } /// @notice Sales states and configuration /// @dev Uses 3 storage slots struct SalesConfiguration { /// @dev Public sale price (max ether value > 1000 ether with this value) uint104 publicSalePrice; /// @dev ERC20 Token address erc20PaymentToken; /// @notice Purchase mint limit per address (if set to 0 === unlimited mints) /// @dev Max purchase number per txn (90+32 = 122) uint32 maxSalePurchasePerAddress; /// @dev uint64 type allows for dates into 292 billion years /// @notice Public sale start timestamp (136+64 = 186) uint64 publicSaleStart; /// @notice Public sale end timestamp (186+64 = 250) uint64 publicSaleEnd; /// @notice Presale start timestamp /// @dev new storage slot uint64 presaleStart; /// @notice Presale end timestamp uint64 presaleEnd; /// @notice Presale merkle root bytes32 presaleMerkleRoot; } /// @notice CRE8ORS - General configuration for Builder Rewards burn requirements struct BurnConfiguration { /// @dev Token to burn address burnToken; /// @dev Required number of tokens to burn uint256 burnQuantity; } /// @notice Sales states and configuration /// @dev Uses 3 storage slots struct ERC20SalesConfiguration { /// @notice Public sale price /// @dev max ether value > 1000 ether with this value uint104 publicSalePrice; /// @dev ERC20 Token address erc20PaymentToken; /// @notice Purchase mint limit per address (if set to 0 === unlimited mints) /// @dev Max purchase number per txn (90+32 = 122) uint32 maxSalePurchasePerAddress; /// @dev uint64 type allows for dates into 292 billion years /// @notice Public sale start timestamp (136+64 = 186) uint64 publicSaleStart; /// @notice Public sale end timestamp (186+64 = 250) uint64 publicSaleEnd; /// @notice Presale start timestamp /// @dev new storage slot uint64 presaleStart; /// @notice Presale end timestamp uint64 presaleEnd; /// @notice Presale merkle root bytes32 presaleMerkleRoot; } /// @notice Return value for sales details to use with front-ends struct SaleDetails { // Synthesized status variables for sale and presale bool publicSaleActive; bool presaleActive; // Price for public sale uint256 publicSalePrice; // Timed sale actions for public sale uint64 publicSaleStart; uint64 publicSaleEnd; // Timed sale actions for presale uint64 presaleStart; uint64 presaleEnd; // Merkle root (includes address, quantity, and price data for each entry) bytes32 presaleMerkleRoot; // Limit public sale to a specific number of mints per wallet uint256 maxSalePurchasePerAddress; // Information about the rest of the supply // Total that have been minted uint256 totalMinted; // The total supply available uint256 maxSupply; } /// @notice Return value for sales details to use with front-ends struct ERC20SaleDetails { /// @notice Synthesized status variables for sale bool publicSaleActive; /// @notice Synthesized status variables for presale bool presaleActive; /// @notice Price for public sale uint256 publicSalePrice; /// @notice ERC20 contract address for payment. address(0) for ETH. address erc20PaymentToken; /// @notice public sale start uint64 publicSaleStart; /// @notice public sale end uint64 publicSaleEnd; /// @notice Timed sale actions for presale start uint64 presaleStart; /// @notice Timed sale actions for presale end uint64 presaleEnd; /// @notice Merkle root (includes address, quantity, and price data for each entry) bytes32 presaleMerkleRoot; /// @notice Limit public sale to a specific number of mints per wallet uint256 maxSalePurchasePerAddress; /// @notice Total that have been minted uint256 totalMinted; /// @notice The total supply available uint256 maxSupply; } /// @notice Return type of specific mint counts and details per address struct AddressMintDetails { /// Number of total mints from the given address uint256 totalMints; /// Number of presale mints from the given address uint256 presaleMints; /// Number of public mints from the given address uint256 publicMints; } /// @notice External purchase function (payable in eth) /// @param quantity to purchase /// @return first minted token ID function purchase(uint256 quantity) external payable returns (uint256); /// @notice External purchase presale function (takes a merkle proof and matches to root) (payable in eth) /// @param quantity to purchase /// @param maxQuantity can purchase (verified by merkle root) /// @param pricePerToken price per token allowed (verified by merkle root) /// @param merkleProof input for merkle proof leaf verified by merkle root /// @return first minted token ID function purchasePresale( uint256 quantity, uint256 maxQuantity, uint256 pricePerToken, bytes32[] memory merkleProof ) external payable returns (uint256); /// @notice Function to return the global sales details for the given drop function saleDetails() external view returns (ERC20SaleDetails memory); /// @notice Function to return the specific sales details for a given address /// @param minter address for minter to return mint information for function mintedPerAddress( address minter ) external view returns (AddressMintDetails memory); /// @notice This is the opensea/public owner setting that can be set by the contract admin function owner() external view returns (address); /// @notice Update the metadata renderer /// @param newRenderer new address for renderer /// @param setupRenderer data to call to bootstrap data for the new renderer (optional) function setMetadataRenderer( IMetadataRenderer newRenderer, bytes memory setupRenderer ) external; /// @notice This is an admin mint function to mint a quantity to a specific address /// @param to address to mint to /// @param quantity quantity to mint /// @return the id of the first minted NFT function adminMint(address to, uint256 quantity) external returns (uint256); /// @notice This is an admin mint function to mint a single nft each to a list of addresses /// @param to list of addresses to mint an NFT each to /// @return the id of the first minted NFT function adminMintAirdrop(address[] memory to) external returns (uint256); /// @dev Getter for admin role associated with the contract to handle metadata /// @return boolean if address is admin function isAdmin(address user) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.15; /** ██████╗██████╗ ███████╗ █████╗ ██████╗ ██████╗ ███████╗ ██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝ ██║ ██████╔╝█████╗ ╚█████╔╝██║ ██║██████╔╝███████╗ ██║ ██╔══██╗██╔══╝ ██╔══██╗██║ ██║██╔══██╗╚════██║ ╚██████╗██║ ██║███████╗╚█████╔╝╚██████╔╝██║ ██║███████║ ╚═════╝╚═╝ ╚═╝╚══════╝ ╚════╝ ╚═════╝ ╚═╝ ╚═╝╚══════╝ */ /// @dev credit: https://github.com/ourzora/zora-drops-contracts interface IMetadataRenderer { function tokenURI(uint256) external view returns (string memory); function contractURI() external view returns (string memory); function initializeWithData(bytes memory initData) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.15; /** ██████╗██████╗ ███████╗ █████╗ ██████╗ ██████╗ ███████╗ ██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝ ██║ ██████╔╝█████╗ ╚█████╔╝██║ ██║██████╔╝███████╗ ██║ ██╔══██╗██╔══╝ ██╔══██╗██║ ██║██╔══██╗╚════██║ ╚██████╗██║ ██║███████╗╚█████╔╝╚██████╔╝██║ ██║███████║ ╚═════╝╚═╝ ╚═╝╚══════╝ ╚════╝ ╚═════╝ ╚═╝ ╚═╝╚══════╝ */ /// @dev Contract module which provides a basic access control mechanism, where /// @dev there is an account (an owner) that can be granted exclusive access to /// @dev specific functions. /// @dev This ownership interface matches OZ's ownable interface. /// @dev credit: https://github.com/ourzora/zora-drops-contracts interface IOwnable { event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev Returns the address of the current owner. */ function owner() external view returns (address); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.15; import {IERC721Drop} from "../interfaces/IERC721Drop.sol"; /** ██████╗██████╗ ███████╗ █████╗ ██████╗ ██████╗ ███████╗ ██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝ ██║ ██████╔╝█████╗ ╚█████╔╝██║ ██║██████╔╝███████╗ ██║ ██╔══██╗██╔══╝ ██╔══██╗██║ ██║██╔══██╗╚════██║ ╚██████╗██║ ██║███████╗╚█████╔╝╚██████╔╝██║ ██║███████║ ╚═════╝╚═╝ ╚═╝╚══════╝ ╚════╝ ╚═════╝ ╚═╝ ╚═╝╚══════╝ */ /// @dev origin: https://github.com/ourzora/zora-drops-contracts contract ERC721DropStorageV1 { /// @notice Configuration for NFT minting contract storage IERC721Drop.Configuration public config; /// @notice Sales configuration IERC721Drop.SalesConfiguration public salesConfig; /// @notice Burn configuration IERC721Drop.BurnConfiguration public burnConfig; /// @dev Mapping for presale mint counts by address to allow public mint limit mapping(address => uint256) public presaleMintsByAddress; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.15; import {IOwnable} from "../interfaces/IOwnable.sol"; /** ██████╗██████╗ ███████╗ █████╗ ██████╗ ██████╗ ███████╗ ██╔════╝██╔══██╗██╔════╝██╔══██╗██╔═══██╗██╔══██╗██╔════╝ ██║ ██████╔╝█████╗ ╚█████╔╝██║ ██║██████╔╝███████╗ ██║ ██╔══██╗██╔══╝ ██╔══██╗██║ ██║██╔══██╗╚════██║ ╚██████╗██║ ██║███████╗╚█████╔╝╚██████╔╝██║ ██║███████║ ╚═════╝╚═╝ ╚═╝╚══════╝ ╚════╝ ╚═════╝ ╚═╝ ╚═╝╚══════╝ */ /// @dev Contract module which provides a basic access control mechanism, where /// @dev there is an account (an owner) that can be granted exclusive access to /// @dev specific functions. /// @dev This ownership interface matches OZ's ownable interface. /// @dev credit: https://github.com/ourzora/zora-drops-contracts contract OwnableSkeleton is IOwnable { address private _owner; /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } function _setOwner(address newAddress) internal { emit OwnershipTransferred(_owner, newAddress); _owner = newAddress; } }
{ "optimizer": { "enabled": true, "runs": 200 }, "evmVersion": "london", "remappings": [ ":@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/", ":@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/", ":ERC721A-Upgradeable/=lib/ERC721A-Upgradeable/contracts/", ":ERC721A/=lib/ERC721A/contracts/", ":ds-test/=lib/ds-test/src/", ":erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/", ":forge-std/=lib/forge-std/src/", ":openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/", ":openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/" ], "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
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[{"inputs":[{"internalType":"address","name":"_cre8orsClaimContractAddress","type":"address"},{"internalType":"address","name":"_cre8orsPassportContractAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"claimPassport","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000502aa9a163fdec9ac40e5b7d9e469e78383226ca000000000000000000000000d9635b70724b9f618a7bb37c7be182117b1f0dc1
-----Decoded View---------------
Arg [0] : _cre8orsClaimContractAddress (address): 0x502Aa9a163FdEc9AC40e5B7D9E469e78383226cA
Arg [1] : _cre8orsPassportContractAddress (address): 0xD9635b70724b9F618A7Bb37c7BE182117B1F0dc1
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000502aa9a163fdec9ac40e5b7d9e469e78383226ca
Arg [1] : 000000000000000000000000d9635b70724b9f618a7bb37c7be182117b1f0dc1
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