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0.8.19+commit.7dd6d404
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Solidity
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
/// @notice Simple ERC2981 NFT Royalty Standard implementation.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/tokens/ERC2981.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/common/ERC2981.sol)
abstract contract ERC2981 {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CUSTOM ERRORS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The royalty fee numerator exceeds the fee denominator.
error RoyaltyOverflow();
/// @dev The royalty receiver cannot be the zero address.
error RoyaltyReceiverIsZeroAddress();
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* STORAGE */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The default royalty info is given by:
/// ```
/// let packed := sload(_ERC2981_MASTER_SLOT_SEED)
/// let receiver := shr(96, packed)
/// let royaltyFraction := xor(packed, shl(96, receiver))
/// ```
///
/// The per token royalty info is given by.
/// ```
/// mstore(0x00, tokenId)
/// mstore(0x20, _ERC2981_MASTER_SLOT_SEED)
/// let packed := sload(keccak256(0x00, 0x40))
/// let receiver := shr(96, packed)
/// let royaltyFraction := xor(packed, shl(96, receiver))
/// ```
uint256 private constant _ERC2981_MASTER_SLOT_SEED = 0xaa4ec00224afccfdb7;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* ERC2981 */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Checks that `_feeDenominator` is non-zero.
constructor() {
require(_feeDenominator() != 0, "Fee denominator cannot be zero.");
}
/// @dev Returns the denominator for the royalty amount.
/// Defaults to 10000, which represents fees in basis points.
/// Override this function to return a custom amount if needed.
function _feeDenominator() internal pure virtual returns (uint96) {
return 10000;
}
/// @dev Returns true if this contract implements the interface defined by `interfaceId`.
/// See: https://eips.ethereum.org/EIPS/eip-165
/// This function call must use less than 30000 gas.
function supportsInterface(bytes4 interfaceId) public view virtual returns (bool result) {
/// @solidity memory-safe-assembly
assembly {
let s := shr(224, interfaceId)
// ERC165: 0x01ffc9a7, ERC2981: 0x2a55205a.
result := or(eq(s, 0x01ffc9a7), eq(s, 0x2a55205a))
}
}
/// @dev Returns the `receiver` and `royaltyAmount` for `tokenId` sold at `salePrice`.
function royaltyInfo(uint256 tokenId, uint256 salePrice)
public
view
virtual
returns (address receiver, uint256 royaltyAmount)
{
uint256 feeDenominator = _feeDenominator();
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, tokenId)
mstore(0x20, _ERC2981_MASTER_SLOT_SEED)
let packed := sload(keccak256(0x00, 0x40))
receiver := shr(96, packed)
if iszero(receiver) {
packed := sload(mload(0x20))
receiver := shr(96, packed)
}
let x := salePrice
let y := xor(packed, shl(96, receiver)) // `feeNumerator`.
// Overflow check, equivalent to `require(y == 0 || x <= type(uint256).max / y)`.
// Out-of-gas revert. Should not be triggered in practice, but included for safety.
returndatacopy(returndatasize(), returndatasize(), mul(y, gt(x, div(not(0), y))))
royaltyAmount := div(mul(x, y), feeDenominator)
}
}
/// @dev Sets the default royalty `receiver` and `feeNumerator`.
///
/// Requirements:
/// - `receiver` must not be the zero address.
/// - `feeNumerator` must not be greater than the fee denominator.
function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
uint256 feeDenominator = _feeDenominator();
/// @solidity memory-safe-assembly
assembly {
feeNumerator := shr(160, shl(160, feeNumerator))
if gt(feeNumerator, feeDenominator) {
mstore(0x00, 0x350a88b3) // `RoyaltyOverflow()`.
revert(0x1c, 0x04)
}
let packed := shl(96, receiver)
if iszero(packed) {
mstore(0x00, 0xb4457eaa) // `RoyaltyReceiverIsZeroAddress()`.
revert(0x1c, 0x04)
}
sstore(_ERC2981_MASTER_SLOT_SEED, or(packed, feeNumerator))
}
}
/// @dev Sets the default royalty `receiver` and `feeNumerator` to zero.
function _deleteDefaultRoyalty() internal virtual {
/// @solidity memory-safe-assembly
assembly {
sstore(_ERC2981_MASTER_SLOT_SEED, 0)
}
}
/// @dev Sets the royalty `receiver` and `feeNumerator` for `tokenId`.
///
/// Requirements:
/// - `receiver` must not be the zero address.
/// - `feeNumerator` must not be greater than the fee denominator.
function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator)
internal
virtual
{
uint256 feeDenominator = _feeDenominator();
/// @solidity memory-safe-assembly
assembly {
feeNumerator := shr(160, shl(160, feeNumerator))
if gt(feeNumerator, feeDenominator) {
mstore(0x00, 0x350a88b3) // `RoyaltyOverflow()`.
revert(0x1c, 0x04)
}
let packed := shl(96, receiver)
if iszero(packed) {
mstore(0x00, 0xb4457eaa) // `RoyaltyReceiverIsZeroAddress()`.
revert(0x1c, 0x04)
}
mstore(0x00, tokenId)
mstore(0x20, _ERC2981_MASTER_SLOT_SEED)
sstore(keccak256(0x00, 0x40), or(packed, feeNumerator))
}
}
/// @dev Sets the royalty `receiver` and `feeNumerator` for `tokenId` to zero.
function _resetTokenRoyalty(uint256 tokenId) internal virtual {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, tokenId)
mstore(0x20, _ERC2981_MASTER_SLOT_SEED)
sstore(keccak256(0x00, 0x40), 0)
}
}
}
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs
pragma solidity ^0.8.4;
import './IERC721A.sol';
/**
* @dev Interface of ERC721 token receiver.
*/
interface ERC721A__IERC721Receiver {
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
/**
* @title ERC721A
*
* @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
* Non-Fungible Token Standard, including the Metadata extension.
* Optimized for lower gas during batch mints.
*
* Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)
* starting from `_startTokenId()`.
*
* Assumptions:
*
* - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
* - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).
*/
contract ERC721A is IERC721A {
// Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).
struct TokenApprovalRef {
address value;
}
// =============================================================
// CONSTANTS
// =============================================================
// Mask of an entry in packed address data.
uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;
// The bit position of `numberMinted` in packed address data.
uint256 private constant _BITPOS_NUMBER_MINTED = 64;
// The bit position of `numberBurned` in packed address data.
uint256 private constant _BITPOS_NUMBER_BURNED = 128;
// The bit position of `aux` in packed address data.
uint256 private constant _BITPOS_AUX = 192;
// Mask of all 256 bits in packed address data except the 64 bits for `aux`.
uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;
// The bit position of `startTimestamp` in packed ownership.
uint256 private constant _BITPOS_START_TIMESTAMP = 160;
// The bit mask of the `burned` bit in packed ownership.
uint256 private constant _BITMASK_BURNED = 1 << 224;
// The bit position of the `nextInitialized` bit in packed ownership.
uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;
// The bit mask of the `nextInitialized` bit in packed ownership.
uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;
// The bit position of `extraData` in packed ownership.
uint256 private constant _BITPOS_EXTRA_DATA = 232;
// Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.
uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;
// The mask of the lower 160 bits for addresses.
uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;
// The maximum `quantity` that can be minted with {_mintERC2309}.
// This limit is to prevent overflows on the address data entries.
// For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}
// is required to cause an overflow, which is unrealistic.
uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;
// The `Transfer` event signature is given by:
// `keccak256(bytes("Transfer(address,address,uint256)"))`.
bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;
// =============================================================
// STORAGE
// =============================================================
// The next token ID to be minted.
uint256 private _currentIndex;
// The number of tokens burned.
uint256 private _burnCounter;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to ownership details
// An empty struct value does not necessarily mean the token is unowned.
// See {_packedOwnershipOf} implementation for details.
//
// Bits Layout:
// - [0..159] `addr`
// - [160..223] `startTimestamp`
// - [224] `burned`
// - [225] `nextInitialized`
// - [232..255] `extraData`
mapping(uint256 => uint256) private _packedOwnerships;
// Mapping owner address to address data.
//
// Bits Layout:
// - [0..63] `balance`
// - [64..127] `numberMinted`
// - [128..191] `numberBurned`
// - [192..255] `aux`
mapping(address => uint256) private _packedAddressData;
// Mapping from token ID to approved address.
mapping(uint256 => TokenApprovalRef) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
// =============================================================
// CONSTRUCTOR
// =============================================================
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
_currentIndex = _startTokenId();
}
// =============================================================
// TOKEN COUNTING OPERATIONS
// =============================================================
/**
* @dev Returns the starting token ID.
* To change the starting token ID, please override this function.
*/
function _startTokenId() internal view virtual returns (uint256) {
return 0;
}
/**
* @dev Returns the next token ID to be minted.
*/
function _nextTokenId() internal view virtual returns (uint256) {
return _currentIndex;
}
/**
* @dev Returns the total number of tokens in existence.
* Burned tokens will reduce the count.
* To get the total number of tokens minted, please see {_totalMinted}.
*/
function totalSupply() public view virtual override returns (uint256) {
// Counter underflow is impossible as _burnCounter cannot be incremented
// more than `_currentIndex - _startTokenId()` times.
unchecked {
return _currentIndex - _burnCounter - _startTokenId();
}
}
/**
* @dev Returns the total amount of tokens minted in the contract.
*/
function _totalMinted() internal view virtual returns (uint256) {
// Counter underflow is impossible as `_currentIndex` does not decrement,
// and it is initialized to `_startTokenId()`.
unchecked {
return _currentIndex - _startTokenId();
}
}
/**
* @dev Returns the total number of tokens burned.
*/
function _totalBurned() internal view virtual returns (uint256) {
return _burnCounter;
}
// =============================================================
// ADDRESS DATA OPERATIONS
// =============================================================
/**
* @dev Returns the number of tokens in `owner`'s account.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
if (owner == address(0)) revert BalanceQueryForZeroAddress();
return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
}
/**
* Returns the number of tokens minted by `owner`.
*/
function _numberMinted(address owner) internal view returns (uint256) {
return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;
}
/**
* Returns the number of tokens burned by or on behalf of `owner`.
*/
function _numberBurned(address owner) internal view returns (uint256) {
return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY;
}
/**
* Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
*/
function _getAux(address owner) internal view returns (uint64) {
return uint64(_packedAddressData[owner] >> _BITPOS_AUX);
}
/**
* Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
* If there are multiple variables, please pack them into a uint64.
*/
function _setAux(address owner, uint64 aux) internal virtual {
uint256 packed = _packedAddressData[owner];
uint256 auxCasted;
// Cast `aux` with assembly to avoid redundant masking.
assembly {
auxCasted := aux
}
packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
_packedAddressData[owner] = packed;
}
// =============================================================
// IERC165
// =============================================================
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
* to learn more about how these ids are created.
*
* This function call must use less than 30000 gas.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
// The interface IDs are constants representing the first 4 bytes
// of the XOR of all function selectors in the interface.
// See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)
// (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)
return
interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.
interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.
interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
}
// =============================================================
// IERC721Metadata
// =============================================================
/**
* @dev Returns the token collection name.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the token collection symbol.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
if (!_exists(tokenId)) revert URIQueryForNonexistentToken();
string memory baseURI = _baseURI();
return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : '';
}
/**
* @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
* token will be the concatenation of the `baseURI` and the `tokenId`. Empty
* by default, it can be overridden in child contracts.
*/
function _baseURI() internal view virtual returns (string memory) {
return '';
}
// =============================================================
// OWNERSHIPS OPERATIONS
// =============================================================
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
return address(uint160(_packedOwnershipOf(tokenId)));
}
/**
* @dev Gas spent here starts off proportional to the maximum mint batch size.
* It gradually moves to O(1) as tokens get transferred around over time.
*/
function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
return _unpackedOwnership(_packedOwnershipOf(tokenId));
}
/**
* @dev Returns the unpacked `TokenOwnership` struct at `index`.
*/
function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
return _unpackedOwnership(_packedOwnerships[index]);
}
/**
* @dev Initializes the ownership slot minted at `index` for efficiency purposes.
*/
function _initializeOwnershipAt(uint256 index) internal virtual {
if (_packedOwnerships[index] == 0) {
_packedOwnerships[index] = _packedOwnershipOf(index);
}
}
/**
* Returns the packed ownership data of `tokenId`.
*/
function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {
uint256 curr = tokenId;
unchecked {
if (_startTokenId() <= curr)
if (curr < _currentIndex) {
uint256 packed = _packedOwnerships[curr];
// If not burned.
if (packed & _BITMASK_BURNED == 0) {
// Invariant:
// There will always be an initialized ownership slot
// (i.e. `ownership.addr != address(0) && ownership.burned == false`)
// before an unintialized ownership slot
// (i.e. `ownership.addr == address(0) && ownership.burned == false`)
// Hence, `curr` will not underflow.
//
// We can directly compare the packed value.
// If the address is zero, packed will be zero.
while (packed == 0) {
packed = _packedOwnerships[--curr];
}
return packed;
}
}
}
revert OwnerQueryForNonexistentToken();
}
/**
* @dev Returns the unpacked `TokenOwnership` struct from `packed`.
*/
function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {
ownership.addr = address(uint160(packed));
ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);
ownership.burned = packed & _BITMASK_BURNED != 0;
ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);
}
/**
* @dev Packs ownership data into a single uint256.
*/
function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
assembly {
// Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
owner := and(owner, _BITMASK_ADDRESS)
// `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.
result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
}
}
/**
* @dev Returns the `nextInitialized` flag set if `quantity` equals 1.
*/
function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
// For branchless setting of the `nextInitialized` flag.
assembly {
// `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.
result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
}
}
// =============================================================
// APPROVAL OPERATIONS
// =============================================================
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the
* zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) public payable virtual override {
address owner = ownerOf(tokenId);
if (_msgSenderERC721A() != owner)
if (!isApprovedForAll(owner, _msgSenderERC721A())) {
revert ApprovalCallerNotOwnerNorApproved();
}
_tokenApprovals[tokenId].value = to;
emit Approval(owner, to, tokenId);
}
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();
return _tokenApprovals[tokenId].value;
}
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom}
* for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
_operatorApprovals[_msgSenderERC721A()][operator] = approved;
emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
}
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted. See {_mint}.
*/
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return
_startTokenId() <= tokenId &&
tokenId < _currentIndex && // If within bounds,
_packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
}
/**
* @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.
*/
function _isSenderApprovedOrOwner(
address approvedAddress,
address owner,
address msgSender
) private pure returns (bool result) {
assembly {
// Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
owner := and(owner, _BITMASK_ADDRESS)
// Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.
msgSender := and(msgSender, _BITMASK_ADDRESS)
// `msgSender == owner || msgSender == approvedAddress`.
result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
}
}
/**
* @dev Returns the storage slot and value for the approved address of `tokenId`.
*/
function _getApprovedSlotAndAddress(uint256 tokenId)
private
view
returns (uint256 approvedAddressSlot, address approvedAddress)
{
TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];
// The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.
assembly {
approvedAddressSlot := tokenApproval.slot
approvedAddress := sload(approvedAddressSlot)
}
}
// =============================================================
// TRANSFER OPERATIONS
// =============================================================
/**
* @dev Transfers `tokenId` from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token
* by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) public payable virtual override {
uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);
if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner();
(uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);
// The nested ifs save around 20+ gas over a compound boolean condition.
if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
if (to == address(0)) revert TransferToZeroAddress();
_beforeTokenTransfers(from, to, tokenId, 1);
// Clear approvals from the previous owner.
assembly {
if approvedAddress {
// This is equivalent to `delete _tokenApprovals[tokenId]`.
sstore(approvedAddressSlot, 0)
}
}
// Underflow of the sender's balance is impossible because we check for
// ownership above and the recipient's balance can't realistically overflow.
// Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
unchecked {
// We can directly increment and decrement the balances.
--_packedAddressData[from]; // Updates: `balance -= 1`.
++_packedAddressData[to]; // Updates: `balance += 1`.
// Updates:
// - `address` to the next owner.
// - `startTimestamp` to the timestamp of transfering.
// - `burned` to `false`.
// - `nextInitialized` to `true`.
_packedOwnerships[tokenId] = _packOwnershipData(
to,
_BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
);
// If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
uint256 nextTokenId = tokenId + 1;
// If the next slot's address is zero and not burned (i.e. packed value is zero).
if (_packedOwnerships[nextTokenId] == 0) {
// If the next slot is within bounds.
if (nextTokenId != _currentIndex) {
// Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
_packedOwnerships[nextTokenId] = prevOwnershipPacked;
}
}
}
}
emit Transfer(from, to, tokenId);
_afterTokenTransfers(from, to, tokenId, 1);
}
/**
* @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public payable virtual override {
safeTransferFrom(from, to, tokenId, '');
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token
* by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement
* {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public payable virtual override {
transferFrom(from, to, tokenId);
if (to.code.length != 0)
if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
}
/**
* @dev Hook that is called before a set of serially-ordered token IDs
* are about to be transferred. This includes minting.
* And also called before burning one token.
*
* `startTokenId` - the first token ID to be transferred.
* `quantity` - the amount to be transferred.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, `tokenId` will be burned by `from`.
* - `from` and `to` are never both zero.
*/
function _beforeTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
/**
* @dev Hook that is called after a set of serially-ordered token IDs
* have been transferred. This includes minting.
* And also called after one token has been burned.
*
* `startTokenId` - the first token ID to be transferred.
* `quantity` - the amount to be transferred.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
* transferred to `to`.
* - When `from` is zero, `tokenId` has been minted for `to`.
* - When `to` is zero, `tokenId` has been burned by `from`.
* - `from` and `to` are never both zero.
*/
function _afterTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
/**
* @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.
*
* `from` - Previous owner of the given token ID.
* `to` - Target address that will receive the token.
* `tokenId` - Token ID to be transferred.
* `_data` - Optional data to send along with the call.
*
* Returns whether the call correctly returned the expected magic value.
*/
function _checkContractOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (
bytes4 retval
) {
return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert TransferToNonERC721ReceiverImplementer();
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
}
// =============================================================
// MINT OPERATIONS
// =============================================================
/**
* @dev Mints `quantity` tokens and transfers them to `to`.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `quantity` must be greater than 0.
*
* Emits a {Transfer} event for each mint.
*/
function _mint(address to, uint256 quantity) internal virtual {
uint256 startTokenId = _currentIndex;
if (quantity == 0) revert MintZeroQuantity();
_beforeTokenTransfers(address(0), to, startTokenId, quantity);
// Overflows are incredibly unrealistic.
// `balance` and `numberMinted` have a maximum limit of 2**64.
// `tokenId` has a maximum limit of 2**256.
unchecked {
// Updates:
// - `balance += quantity`.
// - `numberMinted += quantity`.
//
// We can directly add to the `balance` and `numberMinted`.
_packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);
// Updates:
// - `address` to the owner.
// - `startTimestamp` to the timestamp of minting.
// - `burned` to `false`.
// - `nextInitialized` to `quantity == 1`.
_packedOwnerships[startTokenId] = _packOwnershipData(
to,
_nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
);
uint256 toMasked;
uint256 end = startTokenId + quantity;
// Use assembly to loop and emit the `Transfer` event for gas savings.
// The duplicated `log4` removes an extra check and reduces stack juggling.
// The assembly, together with the surrounding Solidity code, have been
// delicately arranged to nudge the compiler into producing optimized opcodes.
assembly {
// Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
toMasked := and(to, _BITMASK_ADDRESS)
// Emit the `Transfer` event.
log4(
0, // Start of data (0, since no data).
0, // End of data (0, since no data).
_TRANSFER_EVENT_SIGNATURE, // Signature.
0, // `address(0)`.
toMasked, // `to`.
startTokenId // `tokenId`.
)
// The `iszero(eq(,))` check ensures that large values of `quantity`
// that overflows uint256 will make the loop run out of gas.
// The compiler will optimize the `iszero` away for performance.
for {
let tokenId := add(startTokenId, 1)
} iszero(eq(tokenId, end)) {
tokenId := add(tokenId, 1)
} {
// Emit the `Transfer` event. Similar to above.
log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
}
}
if (toMasked == 0) revert MintToZeroAddress();
_currentIndex = end;
}
_afterTokenTransfers(address(0), to, startTokenId, quantity);
}
/**
* @dev Mints `quantity` tokens and transfers them to `to`.
*
* This function is intended for efficient minting only during contract creation.
*
* It emits only one {ConsecutiveTransfer} as defined in
* [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),
* instead of a sequence of {Transfer} event(s).
*
* Calling this function outside of contract creation WILL make your contract
* non-compliant with the ERC721 standard.
* For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309
* {ConsecutiveTransfer} event is only permissible during contract creation.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `quantity` must be greater than 0.
*
* Emits a {ConsecutiveTransfer} event.
*/
function _mintERC2309(address to, uint256 quantity) internal virtual {
uint256 startTokenId = _currentIndex;
if (to == address(0)) revert MintToZeroAddress();
if (quantity == 0) revert MintZeroQuantity();
if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit();
_beforeTokenTransfers(address(0), to, startTokenId, quantity);
// Overflows are unrealistic due to the above check for `quantity` to be below the limit.
unchecked {
// Updates:
// - `balance += quantity`.
// - `numberMinted += quantity`.
//
// We can directly add to the `balance` and `numberMinted`.
_packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);
// Updates:
// - `address` to the owner.
// - `startTimestamp` to the timestamp of minting.
// - `burned` to `false`.
// - `nextInitialized` to `quantity == 1`.
_packedOwnerships[startTokenId] = _packOwnershipData(
to,
_nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
);
emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);
_currentIndex = startTokenId + quantity;
}
_afterTokenTransfers(address(0), to, startTokenId, quantity);
}
/**
* @dev Safely mints `quantity` tokens and transfers them to `to`.
*
* Requirements:
*
* - If `to` refers to a smart contract, it must implement
* {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
* - `quantity` must be greater than 0.
*
* See {_mint}.
*
* Emits a {Transfer} event for each mint.
*/
function _safeMint(
address to,
uint256 quantity,
bytes memory _data
) internal virtual {
_mint(to, quantity);
unchecked {
if (to.code.length != 0) {
uint256 end = _currentIndex;
uint256 index = end - quantity;
do {
if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
} while (index < end);
// Reentrancy protection.
if (_currentIndex != end) revert();
}
}
}
/**
* @dev Equivalent to `_safeMint(to, quantity, '')`.
*/
function _safeMint(address to, uint256 quantity) internal virtual {
_safeMint(to, quantity, '');
}
// =============================================================
// BURN OPERATIONS
// =============================================================
/**
* @dev Equivalent to `_burn(tokenId, false)`.
*/
function _burn(uint256 tokenId) internal virtual {
_burn(tokenId, false);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);
address from = address(uint160(prevOwnershipPacked));
(uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);
if (approvalCheck) {
// The nested ifs save around 20+ gas over a compound boolean condition.
if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
}
_beforeTokenTransfers(from, address(0), tokenId, 1);
// Clear approvals from the previous owner.
assembly {
if approvedAddress {
// This is equivalent to `delete _tokenApprovals[tokenId]`.
sstore(approvedAddressSlot, 0)
}
}
// Underflow of the sender's balance is impossible because we check for
// ownership above and the recipient's balance can't realistically overflow.
// Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
unchecked {
// Updates:
// - `balance -= 1`.
// - `numberBurned += 1`.
//
// We can directly decrement the balance, and increment the number burned.
// This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.
_packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;
// Updates:
// - `address` to the last owner.
// - `startTimestamp` to the timestamp of burning.
// - `burned` to `true`.
// - `nextInitialized` to `true`.
_packedOwnerships[tokenId] = _packOwnershipData(
from,
(_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
);
// If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
uint256 nextTokenId = tokenId + 1;
// If the next slot's address is zero and not burned (i.e. packed value is zero).
if (_packedOwnerships[nextTokenId] == 0) {
// If the next slot is within bounds.
if (nextTokenId != _currentIndex) {
// Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
_packedOwnerships[nextTokenId] = prevOwnershipPacked;
}
}
}
}
emit Transfer(from, address(0), tokenId);
_afterTokenTransfers(from, address(0), tokenId, 1);
// Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
unchecked {
_burnCounter++;
}
}
// =============================================================
// EXTRA DATA OPERATIONS
// =============================================================
/**
* @dev Directly sets the extra data for the ownership data `index`.
*/
function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
uint256 packed = _packedOwnerships[index];
if (packed == 0) revert OwnershipNotInitializedForExtraData();
uint256 extraDataCasted;
// Cast `extraData` with assembly to avoid redundant masking.
assembly {
extraDataCasted := extraData
}
packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
_packedOwnerships[index] = packed;
}
/**
* @dev Called during each token transfer to set the 24bit `extraData` field.
* Intended to be overridden by the cosumer contract.
*
* `previousExtraData` - the value of `extraData` before transfer.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, `tokenId` will be burned by `from`.
* - `from` and `to` are never both zero.
*/
function _extraData(
address from,
address to,
uint24 previousExtraData
) internal view virtual returns (uint24) {}
/**
* @dev Returns the next extra data for the packed ownership data.
* The returned result is shifted into position.
*/
function _nextExtraData(
address from,
address to,
uint256 prevOwnershipPacked
) private view returns (uint256) {
uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);
return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;
}
// =============================================================
// OTHER OPERATIONS
// =============================================================
/**
* @dev Returns the message sender (defaults to `msg.sender`).
*
* If you are writing GSN compatible contracts, you need to override this function.
*/
function _msgSenderERC721A() internal view virtual returns (address) {
return msg.sender;
}
/**
* @dev Converts a uint256 to its ASCII string decimal representation.
*/
function _toString(uint256 value) internal pure virtual returns (string memory str) {
assembly {
// The maximum value of a uint256 contains 78 digits (1 byte per digit), but
// we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
// We will need 1 word for the trailing zeros padding, 1 word for the length,
// and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
let m := add(mload(0x40), 0xa0)
// Update the free memory pointer to allocate.
mstore(0x40, m)
// Assign the `str` to the end.
str := sub(m, 0x20)
// Zeroize the slot after the string.
mstore(str, 0)
// Cache the end of the memory to calculate the length later.
let end := str
// We write the string from rightmost digit to leftmost digit.
// The following is essentially a do-while loop that also handles the zero case.
// prettier-ignore
for { let temp := value } 1 {} {
str := sub(str, 1)
// Write the character to the pointer.
// The ASCII index of the '0' character is 48.
mstore8(str, add(48, mod(temp, 10)))
// Keep dividing `temp` until zero.
temp := div(temp, 10)
// prettier-ignore
if iszero(temp) { break }
}
let length := sub(end, str)
// Move the pointer 32 bytes leftwards to make room for the length.
str := sub(str, 0x20)
// Store the length.
mstore(str, length)
}
}
}
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs
pragma solidity ^0.8.4;
import './IERC721AQueryable.sol';
import '../ERC721A.sol';
/**
* @title ERC721AQueryable.
*
* @dev ERC721A subclass with convenience query functions.
*/
abstract contract ERC721AQueryable is ERC721A, IERC721AQueryable {
/**
* @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
*
* If the `tokenId` is out of bounds:
*
* - `addr = address(0)`
* - `startTimestamp = 0`
* - `burned = false`
* - `extraData = 0`
*
* If the `tokenId` is burned:
*
* - `addr = <Address of owner before token was burned>`
* - `startTimestamp = <Timestamp when token was burned>`
* - `burned = true`
* - `extraData = <Extra data when token was burned>`
*
* Otherwise:
*
* - `addr = <Address of owner>`
* - `startTimestamp = <Timestamp of start of ownership>`
* - `burned = false`
* - `extraData = <Extra data at start of ownership>`
*/
function explicitOwnershipOf(uint256 tokenId) public view virtual override returns (TokenOwnership memory) {
TokenOwnership memory ownership;
if (tokenId < _startTokenId() || tokenId >= _nextTokenId()) {
return ownership;
}
ownership = _ownershipAt(tokenId);
if (ownership.burned) {
return ownership;
}
return _ownershipOf(tokenId);
}
/**
* @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
* See {ERC721AQueryable-explicitOwnershipOf}
*/
function explicitOwnershipsOf(uint256[] calldata tokenIds)
external
view
virtual
override
returns (TokenOwnership[] memory)
{
unchecked {
uint256 tokenIdsLength = tokenIds.length;
TokenOwnership[] memory ownerships = new TokenOwnership[](tokenIdsLength);
for (uint256 i; i != tokenIdsLength; ++i) {
ownerships[i] = explicitOwnershipOf(tokenIds[i]);
}
return ownerships;
}
}
/**
* @dev Returns an array of token IDs owned by `owner`,
* in the range [`start`, `stop`)
* (i.e. `start <= tokenId < stop`).
*
* This function allows for tokens to be queried if the collection
* grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
*
* Requirements:
*
* - `start < stop`
*/
function tokensOfOwnerIn(
address owner,
uint256 start,
uint256 stop
) external view virtual override returns (uint256[] memory) {
unchecked {
if (start >= stop) revert InvalidQueryRange();
uint256 tokenIdsIdx;
uint256 stopLimit = _nextTokenId();
// Set `start = max(start, _startTokenId())`.
if (start < _startTokenId()) {
start = _startTokenId();
}
// Set `stop = min(stop, stopLimit)`.
if (stop > stopLimit) {
stop = stopLimit;
}
uint256 tokenIdsMaxLength = balanceOf(owner);
// Set `tokenIdsMaxLength = min(balanceOf(owner), stop - start)`,
// to cater for cases where `balanceOf(owner)` is too big.
if (start < stop) {
uint256 rangeLength = stop - start;
if (rangeLength < tokenIdsMaxLength) {
tokenIdsMaxLength = rangeLength;
}
} else {
tokenIdsMaxLength = 0;
}
uint256[] memory tokenIds = new uint256[](tokenIdsMaxLength);
if (tokenIdsMaxLength == 0) {
return tokenIds;
}
// We need to call `explicitOwnershipOf(start)`,
// because the slot at `start` may not be initialized.
TokenOwnership memory ownership = explicitOwnershipOf(start);
address currOwnershipAddr;
// If the starting slot exists (i.e. not burned), initialize `currOwnershipAddr`.
// `ownership.address` will not be zero, as `start` is clamped to the valid token ID range.
if (!ownership.burned) {
currOwnershipAddr = ownership.addr;
}
for (uint256 i = start; i != stop && tokenIdsIdx != tokenIdsMaxLength; ++i) {
ownership = _ownershipAt(i);
if (ownership.burned) {
continue;
}
if (ownership.addr != address(0)) {
currOwnershipAddr = ownership.addr;
}
if (currOwnershipAddr == owner) {
tokenIds[tokenIdsIdx++] = i;
}
}
// Downsize the array to fit.
assembly {
mstore(tokenIds, tokenIdsIdx)
}
return tokenIds;
}
}
/**
* @dev Returns an array of token IDs owned by `owner`.
*
* This function scans the ownership mapping and is O(`totalSupply`) in complexity.
* It is meant to be called off-chain.
*
* See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
* multiple smaller scans if the collection is large enough to cause
* an out-of-gas error (10K collections should be fine).
*/
function tokensOfOwner(address owner) external view virtual override returns (uint256[] memory) {
unchecked {
uint256 tokenIdsIdx;
address currOwnershipAddr;
uint256 tokenIdsLength = balanceOf(owner);
uint256[] memory tokenIds = new uint256[](tokenIdsLength);
TokenOwnership memory ownership;
for (uint256 i = _startTokenId(); tokenIdsIdx != tokenIdsLength; ++i) {
ownership = _ownershipAt(i);
if (ownership.burned) {
continue;
}
if (ownership.addr != address(0)) {
currOwnershipAddr = ownership.addr;
}
if (currOwnershipAddr == owner) {
tokenIds[tokenIdsIdx++] = i;
}
}
return tokenIds;
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
import "forge-std/interfaces/IERC165.sol";
import {OrderType} from "../helpers/OrderEnums.sol";
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IAuction is IERC165 {
error AuctionNotOpen();
error BidTooLow();
error CannotFinalizeOpenAuction();
function bidConfig() external view returns (address, OrderType);
function open() external view returns (bool);
function finalized() external view returns (bool);
function withdraw() external;
function currentPrice() external view returns (uint80);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
interface ICreatorToken {
event TransferValidatorUpdated(address oldValidator, address newValidator);
function getTransferValidationFunction() external view returns (bytes4 functionSignature, bool isViewFunction);
function getTransferValidator() external view returns (address validator);
function setTransferValidator(address validator) external;
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.2;
interface IERC165 {
/// @notice Query if a contract implements an interface
/// @param interfaceID The interface identifier, as specified in ERC-165
/// @dev Interface identification is specified in ERC-165. This function
/// uses less than 30,000 gas.
/// @return `true` if the contract implements `interfaceID` and
/// `interfaceID` is not 0xffffffff, `false` otherwise
function supportsInterface(bytes4 interfaceID) external view returns (bool);
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.2;
import "./IERC165.sol";
/// @title ERC-721 Non-Fungible Token Standard
/// @dev See https://eips.ethereum.org/EIPS/eip-721
/// Note: the ERC-165 identifier for this interface is 0x80ac58cd.
interface IERC721 is IERC165 {
/// @dev This emits when ownership of any NFT changes by any mechanism.
/// This event emits when NFTs are created (`from` == 0) and destroyed
/// (`to` == 0). Exception: during contract creation, any number of NFTs
/// may be created and assigned without emitting Transfer. At the time of
/// any transfer, the approved address for that NFT (if any) is reset to none.
event Transfer(address indexed _from, address indexed _to, uint256 indexed _tokenId);
/// @dev This emits when the approved address for an NFT is changed or
/// reaffirmed. The zero address indicates there is no approved address.
/// When a Transfer event emits, this also indicates that the approved
/// address for that NFT (if any) is reset to none.
event Approval(address indexed _owner, address indexed _approved, uint256 indexed _tokenId);
/// @dev This emits when an operator is enabled or disabled for an owner.
/// The operator can manage all NFTs of the owner.
event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved);
/// @notice Count all NFTs assigned to an owner
/// @dev NFTs assigned to the zero address are considered invalid, and this
/// function throws for queries about the zero address.
/// @param _owner An address for whom to query the balance
/// @return The number of NFTs owned by `_owner`, possibly zero
function balanceOf(address _owner) external view returns (uint256);
/// @notice Find the owner of an NFT
/// @dev NFTs assigned to zero address are considered invalid, and queries
/// about them do throw.
/// @param _tokenId The identifier for an NFT
/// @return The address of the owner of the NFT
function ownerOf(uint256 _tokenId) external view returns (address);
/// @notice Transfers the ownership of an NFT from one address to another address
/// @dev Throws unless `msg.sender` is the current owner, an authorized
/// operator, or the approved address for this NFT. Throws if `_from` is
/// not the current owner. Throws if `_to` is the zero address. Throws if
/// `_tokenId` is not a valid NFT. When transfer is complete, this function
/// checks if `_to` is a smart contract (code size > 0). If so, it calls
/// `onERC721Received` on `_to` and throws if the return value is not
/// `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`.
/// @param _from The current owner of the NFT
/// @param _to The new owner
/// @param _tokenId The NFT to transfer
/// @param data Additional data with no specified format, sent in call to `_to`
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes calldata data) external payable;
/// @notice Transfers the ownership of an NFT from one address to another address
/// @dev This works identically to the other function with an extra data parameter,
/// except this function just sets data to "".
/// @param _from The current owner of the NFT
/// @param _to The new owner
/// @param _tokenId The NFT to transfer
function safeTransferFrom(address _from, address _to, uint256 _tokenId) external payable;
/// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE
/// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE
/// THEY MAY BE PERMANENTLY LOST
/// @dev Throws unless `msg.sender` is the current owner, an authorized
/// operator, or the approved address for this NFT. Throws if `_from` is
/// not the current owner. Throws if `_to` is the zero address. Throws if
/// `_tokenId` is not a valid NFT.
/// @param _from The current owner of the NFT
/// @param _to The new owner
/// @param _tokenId The NFT to transfer
function transferFrom(address _from, address _to, uint256 _tokenId) external payable;
/// @notice Change or reaffirm the approved address for an NFT
/// @dev The zero address indicates there is no approved address.
/// Throws unless `msg.sender` is the current NFT owner, or an authorized
/// operator of the current owner.
/// @param _approved The new approved NFT controller
/// @param _tokenId The NFT to approve
function approve(address _approved, uint256 _tokenId) external payable;
/// @notice Enable or disable approval for a third party ("operator") to manage
/// all of `msg.sender`'s assets
/// @dev Emits the ApprovalForAll event. The contract MUST allow
/// multiple operators per owner.
/// @param _operator Address to add to the set of authorized operators
/// @param _approved True if the operator is approved, false to revoke approval
function setApprovalForAll(address _operator, bool _approved) external;
/// @notice Get the approved address for a single NFT
/// @dev Throws if `_tokenId` is not a valid NFT.
/// @param _tokenId The NFT to find the approved address for
/// @return The approved address for this NFT, or the zero address if there is none
function getApproved(uint256 _tokenId) external view returns (address);
/// @notice Query if an address is an authorized operator for another address
/// @param _owner The address that owns the NFTs
/// @param _operator The address that acts on behalf of the owner
/// @return True if `_operator` is an approved operator for `_owner`, false otherwise
function isApprovedForAll(address _owner, address _operator) external view returns (bool);
}
/// @dev Note: the ERC-165 identifier for this interface is 0x150b7a02.
interface IERC721TokenReceiver {
/// @notice Handle the receipt of an NFT
/// @dev The ERC721 smart contract calls this function on the recipient
/// after a `transfer`. This function MAY throw to revert and reject the
/// transfer. Return of other than the magic value MUST result in the
/// transaction being reverted.
/// Note: the contract address is always the message sender.
/// @param _operator The address which called `safeTransferFrom` function
/// @param _from The address which previously owned the token
/// @param _tokenId The NFT identifier which is being transferred
/// @param _data Additional data with no specified format
/// @return `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
/// unless throwing
function onERC721Received(address _operator, address _from, uint256 _tokenId, bytes calldata _data)
external
returns (bytes4);
}
/// @title ERC-721 Non-Fungible Token Standard, optional metadata extension
/// @dev See https://eips.ethereum.org/EIPS/eip-721
/// Note: the ERC-165 identifier for this interface is 0x5b5e139f.
interface IERC721Metadata is IERC721 {
/// @notice A descriptive name for a collection of NFTs in this contract
function name() external view returns (string memory _name);
/// @notice An abbreviated name for NFTs in this contract
function symbol() external view returns (string memory _symbol);
/// @notice A distinct Uniform Resource Identifier (URI) for a given asset.
/// @dev Throws if `_tokenId` is not a valid NFT. URIs are defined in RFC
/// 3986. The URI may point to a JSON file that conforms to the "ERC721
/// Metadata JSON Schema".
function tokenURI(uint256 _tokenId) external view returns (string memory);
}
/// @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
/// @dev See https://eips.ethereum.org/EIPS/eip-721
/// Note: the ERC-165 identifier for this interface is 0x780e9d63.
interface IERC721Enumerable is IERC721 {
/// @notice Count NFTs tracked by this contract
/// @return A count of valid NFTs tracked by this contract, where each one of
/// them has an assigned and queryable owner not equal to the zero address
function totalSupply() external view returns (uint256);
/// @notice Enumerate valid NFTs
/// @dev Throws if `_index` >= `totalSupply()`.
/// @param _index A counter less than `totalSupply()`
/// @return The token identifier for the `_index`th NFT,
/// (sort order not specified)
function tokenByIndex(uint256 _index) external view returns (uint256);
/// @notice Enumerate NFTs assigned to an owner
/// @dev Throws if `_index` >= `balanceOf(_owner)` or if
/// `_owner` is the zero address, representing invalid NFTs.
/// @param _owner An address where we are interested in NFTs owned by them
/// @param _index A counter less than `balanceOf(_owner)`
/// @return The token identifier for the `_index`th NFT assigned to `_owner`,
/// (sort order not specified)
function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256);
}
// 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';
/**
* @dev Interface of ERC721AQueryable.
*/
interface IERC721AQueryable is IERC721A {
/**
* Invalid query range (`start` >= `stop`).
*/
error InvalidQueryRange();
/**
* @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
*
* If the `tokenId` is out of bounds:
*
* - `addr = address(0)`
* - `startTimestamp = 0`
* - `burned = false`
* - `extraData = 0`
*
* If the `tokenId` is burned:
*
* - `addr = <Address of owner before token was burned>`
* - `startTimestamp = <Timestamp when token was burned>`
* - `burned = true`
* - `extraData = <Extra data when token was burned>`
*
* Otherwise:
*
* - `addr = <Address of owner>`
* - `startTimestamp = <Timestamp of start of ownership>`
* - `burned = false`
* - `extraData = <Extra data at start of ownership>`
*/
function explicitOwnershipOf(uint256 tokenId) external view returns (TokenOwnership memory);
/**
* @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
* See {ERC721AQueryable-explicitOwnershipOf}
*/
function explicitOwnershipsOf(uint256[] memory tokenIds) external view returns (TokenOwnership[] memory);
/**
* @dev Returns an array of token IDs owned by `owner`,
* in the range [`start`, `stop`)
* (i.e. `start <= tokenId < stop`).
*
* This function allows for tokens to be queried if the collection
* grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
*
* Requirements:
*
* - `start < stop`
*/
function tokensOfOwnerIn(
address owner,
uint256 start,
uint256 stop
) external view returns (uint256[] memory);
/**
* @dev Returns an array of token IDs owned by `owner`.
*
* This function scans the ownership mapping and is O(`totalSupply`) in complexity.
* It is meant to be called off-chain.
*
* See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
* multiple smaller scans if the collection is large enough to cause
* an out-of-gas error (10K collections should be fine).
*/
function tokensOfOwner(address owner) external view returns (uint256[] memory);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;
/**
* @dev Required interface of an Registry compliant contract.
*/
interface IRegistry {
/**
* @dev Emitted when address trying to transfer is not allowed on the registry
*/
error NotAllowed();
/**
* @dev Checks whether `operator` is valid on the registry; let the registry
* decide across both allow and blocklists.
* @param operator - Address of operator
* @return Bool whether operator is valid against registry
*/
function isAllowedOperator(address operator) external view returns (bool);
/**
* @dev Checks whether `operator` is allowed on the registry
* @param operator - Address of operator
* @return Bool whether operator is allowed
*/
function isAllowed(address operator) external view returns (bool);
/**
* @dev Checks whether `operator` is blocked on the registry
* @param operator - Address of operator
* @return Bool whether operator is blocked
*/
function isBlocked(address operator) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;
interface ISanctionsList {
function isSanctioned(address addr) external view returns (bool);
}
// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;
import {OrderType} from "../helpers/OrderEnums.sol";
import {Order} from "../helpers/OrderStructs.sol";
interface IStash {
function placeOrder(uint80 pricePerUnit, uint16 numberOfUnits) external payable;
function processOrder(uint80 pricePerUnit, uint16 numberOfUnits) external;
function availableLiquidity(address tokenAddress) external view returns (uint256);
function wrapPunk(uint256 punkIndex) external;
function getOrder(address auction) external view returns (Order memory);
function withdraw(address tokenAddress, uint256 amount) external;
function owner() external view returns (address);
function version() external view returns (uint256);
}
// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;
interface IStashFactory {
function isStash(address stash) external view returns (bool);
function deployStash(address owner) external returns (address);
function isAuction(address auction) external view returns (bool);
function stashAddressFor(address owner) external view returns (address);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
interface ITransferValidator {
function validateTransfer(address caller, address from, address to) external view;
function validateTransfer(address caller, address from, address to, uint256 tokenId) external view;
function validateTransfer(address caller, address from, address to, uint256 tokenId, uint256 amount) external;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface LinkTokenInterface {
function allowance(address owner, address spender) external view returns (uint256 remaining);
function approve(address spender, uint256 value) external returns (bool success);
function balanceOf(address owner) external view returns (uint256 balance);
function decimals() external view returns (uint8 decimalPlaces);
function decreaseApproval(address spender, uint256 addedValue) external returns (bool success);
function increaseApproval(address spender, uint256 subtractedValue) external;
function name() external view returns (string memory tokenName);
function symbol() external view returns (string memory tokenSymbol);
function totalSupply() external view returns (uint256 totalTokensIssued);
function transfer(address to, uint256 value) external returns (bool success);
function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool success);
function transferFrom(address from, address to, uint256 value) external returns (bool success);
}
// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;
enum OrderType
{
// 0: Can replace previous bid. Alters bid price and adds `numberOfUnits`
SUBSEQUENT_BIDS_OVERWRITE_PRICE_AND_ADD_UNITS,
// 1: Can replace previous bid if new bid has higher `pricePerUnit`
SUBSEQUENT_BIDS_REPLACE_EXISTING_PRICE_INCREASE_REQUIRED,
// 2: Cannot replace previous bid under any circumstance
UNREPLACEABLE
}
// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;
struct Order {
uint16 numberOfUnits;
uint80 pricePerUnit;
address auction;
}
struct PunkBid {
Order order;
uint256 accountNonce;
uint256 bidNonce;
uint256 expiration;
bytes32 root;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
/// @notice Simple single owner authorization mixin.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol)
///
/// @dev Note:
/// This implementation does NOT auto-initialize the owner to `msg.sender`.
/// You MUST call the `_initializeOwner` in the constructor / initializer.
///
/// While the ownable portion follows
/// [EIP-173](https://eips.ethereum.org/EIPS/eip-173) for compatibility,
/// the nomenclature for the 2-step ownership handover may be unique to this codebase.
abstract contract Ownable {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CUSTOM ERRORS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The caller is not authorized to call the function.
error Unauthorized();
/// @dev The `newOwner` cannot be the zero address.
error NewOwnerIsZeroAddress();
/// @dev The `pendingOwner` does not have a valid handover request.
error NoHandoverRequest();
/// @dev Cannot double-initialize.
error AlreadyInitialized();
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* EVENTS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The ownership is transferred from `oldOwner` to `newOwner`.
/// This event is intentionally kept the same as OpenZeppelin's Ownable to be
/// compatible with indexers and [EIP-173](https://eips.ethereum.org/EIPS/eip-173),
/// despite it not being as lightweight as a single argument event.
event OwnershipTransferred(address indexed oldOwner, address indexed newOwner);
/// @dev An ownership handover to `pendingOwner` has been requested.
event OwnershipHandoverRequested(address indexed pendingOwner);
/// @dev The ownership handover to `pendingOwner` has been canceled.
event OwnershipHandoverCanceled(address indexed pendingOwner);
/// @dev `keccak256(bytes("OwnershipTransferred(address,address)"))`.
uint256 private constant _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE =
0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0;
/// @dev `keccak256(bytes("OwnershipHandoverRequested(address)"))`.
uint256 private constant _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE =
0xdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d;
/// @dev `keccak256(bytes("OwnershipHandoverCanceled(address)"))`.
uint256 private constant _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE =
0xfa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c92;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* STORAGE */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The owner slot is given by:
/// `bytes32(~uint256(uint32(bytes4(keccak256("_OWNER_SLOT_NOT")))))`.
/// It is intentionally chosen to be a high value
/// to avoid collision with lower slots.
/// The choice of manual storage layout is to enable compatibility
/// with both regular and upgradeable contracts.
bytes32 internal constant _OWNER_SLOT =
0xffffffffffffffffffffffffffffffffffffffffffffffffffffffff74873927;
/// The ownership handover slot of `newOwner` is given by:
/// ```
/// mstore(0x00, or(shl(96, user), _HANDOVER_SLOT_SEED))
/// let handoverSlot := keccak256(0x00, 0x20)
/// ```
/// It stores the expiry timestamp of the two-step ownership handover.
uint256 private constant _HANDOVER_SLOT_SEED = 0x389a75e1;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* INTERNAL FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Override to return true to make `_initializeOwner` prevent double-initialization.
function _guardInitializeOwner() internal pure virtual returns (bool guard) {}
/// @dev Initializes the owner directly without authorization guard.
/// This function must be called upon initialization,
/// regardless of whether the contract is upgradeable or not.
/// This is to enable generalization to both regular and upgradeable contracts,
/// and to save gas in case the initial owner is not the caller.
/// For performance reasons, this function will not check if there
/// is an existing owner.
function _initializeOwner(address newOwner) internal virtual {
if (_guardInitializeOwner()) {
/// @solidity memory-safe-assembly
assembly {
let ownerSlot := _OWNER_SLOT
if sload(ownerSlot) {
mstore(0x00, 0x0dc149f0) // `AlreadyInitialized()`.
revert(0x1c, 0x04)
}
// Clean the upper 96 bits.
newOwner := shr(96, shl(96, newOwner))
// Store the new value.
sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner))))
// Emit the {OwnershipTransferred} event.
log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
}
} else {
/// @solidity memory-safe-assembly
assembly {
// Clean the upper 96 bits.
newOwner := shr(96, shl(96, newOwner))
// Store the new value.
sstore(_OWNER_SLOT, newOwner)
// Emit the {OwnershipTransferred} event.
log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
}
}
}
/// @dev Sets the owner directly without authorization guard.
function _setOwner(address newOwner) internal virtual {
if (_guardInitializeOwner()) {
/// @solidity memory-safe-assembly
assembly {
let ownerSlot := _OWNER_SLOT
// Clean the upper 96 bits.
newOwner := shr(96, shl(96, newOwner))
// Emit the {OwnershipTransferred} event.
log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
// Store the new value.
sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner))))
}
} else {
/// @solidity memory-safe-assembly
assembly {
let ownerSlot := _OWNER_SLOT
// Clean the upper 96 bits.
newOwner := shr(96, shl(96, newOwner))
// Emit the {OwnershipTransferred} event.
log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
// Store the new value.
sstore(ownerSlot, newOwner)
}
}
}
/// @dev Throws if the sender is not the owner.
function _checkOwner() internal view virtual {
/// @solidity memory-safe-assembly
assembly {
// If the caller is not the stored owner, revert.
if iszero(eq(caller(), sload(_OWNER_SLOT))) {
mstore(0x00, 0x82b42900) // `Unauthorized()`.
revert(0x1c, 0x04)
}
}
}
/// @dev Returns how long a two-step ownership handover is valid for in seconds.
/// Override to return a different value if needed.
/// Made internal to conserve bytecode. Wrap it in a public function if needed.
function _ownershipHandoverValidFor() internal view virtual returns (uint64) {
return 48 * 3600;
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* PUBLIC UPDATE FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Allows the owner to transfer the ownership to `newOwner`.
function transferOwnership(address newOwner) public payable virtual onlyOwner {
/// @solidity memory-safe-assembly
assembly {
if iszero(shl(96, newOwner)) {
mstore(0x00, 0x7448fbae) // `NewOwnerIsZeroAddress()`.
revert(0x1c, 0x04)
}
}
_setOwner(newOwner);
}
/// @dev Allows the owner to renounce their ownership.
function renounceOwnership() public payable virtual onlyOwner {
_setOwner(address(0));
}
/// @dev Request a two-step ownership handover to the caller.
/// The request will automatically expire in 48 hours (172800 seconds) by default.
function requestOwnershipHandover() public payable virtual {
unchecked {
uint256 expires = block.timestamp + _ownershipHandoverValidFor();
/// @solidity memory-safe-assembly
assembly {
// Compute and set the handover slot to `expires`.
mstore(0x0c, _HANDOVER_SLOT_SEED)
mstore(0x00, caller())
sstore(keccak256(0x0c, 0x20), expires)
// Emit the {OwnershipHandoverRequested} event.
log2(0, 0, _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE, caller())
}
}
}
/// @dev Cancels the two-step ownership handover to the caller, if any.
function cancelOwnershipHandover() public payable virtual {
/// @solidity memory-safe-assembly
assembly {
// Compute and set the handover slot to 0.
mstore(0x0c, _HANDOVER_SLOT_SEED)
mstore(0x00, caller())
sstore(keccak256(0x0c, 0x20), 0)
// Emit the {OwnershipHandoverCanceled} event.
log2(0, 0, _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE, caller())
}
}
/// @dev Allows the owner to complete the two-step ownership handover to `pendingOwner`.
/// Reverts if there is no existing ownership handover requested by `pendingOwner`.
function completeOwnershipHandover(address pendingOwner) public payable virtual onlyOwner {
/// @solidity memory-safe-assembly
assembly {
// Compute and set the handover slot to 0.
mstore(0x0c, _HANDOVER_SLOT_SEED)
mstore(0x00, pendingOwner)
let handoverSlot := keccak256(0x0c, 0x20)
// If the handover does not exist, or has expired.
if gt(timestamp(), sload(handoverSlot)) {
mstore(0x00, 0x6f5e8818) // `NoHandoverRequest()`.
revert(0x1c, 0x04)
}
// Set the handover slot to 0.
sstore(handoverSlot, 0)
}
_setOwner(pendingOwner);
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* PUBLIC READ FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns the owner of the contract.
function owner() public view virtual returns (address result) {
/// @solidity memory-safe-assembly
assembly {
result := sload(_OWNER_SLOT)
}
}
/// @dev Returns the expiry timestamp for the two-step ownership handover to `pendingOwner`.
function ownershipHandoverExpiresAt(address pendingOwner)
public
view
virtual
returns (uint256 result)
{
/// @solidity memory-safe-assembly
assembly {
// Compute the handover slot.
mstore(0x0c, _HANDOVER_SLOT_SEED)
mstore(0x00, pendingOwner)
// Load the handover slot.
result := sload(keccak256(0x0c, 0x20))
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* MODIFIERS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Marks a function as only callable by the owner.
modifier onlyOwner() virtual {
_checkOwner();
_;
}
}
// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;
import {VRFV2WrapperConsumerBase} from "chainlink/vrf/VRFV2WrapperConsumerBase.sol";
abstract contract SingleUseVRFConsumer is VRFV2WrapperConsumerBase {
uint256 public offset;
uint256 internal vrfRequestId;
error OffsetAlreadySet();
constructor(address linkAddress, address wrapperAddress)
VRFV2WrapperConsumerBase(linkAddress, wrapperAddress)
{}
function fulfillRandomWords(uint256 _requestId, uint256[] memory _randomWords) internal override {
if (_requestId != vrfRequestId) revert();
if (offset > 0) revert OffsetAlreadySet();
uint256 randomNumber = _randomWords[0];
offset = randomNumber % _maxOffsetValue();
}
/**
* @dev Returns the maximum value that the offset can be. Setting to 0 will revert during fulfillRandomWords.
*/
function _maxOffsetValue() internal view virtual returns (uint256);
}// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;
import {OrderType} from "../helpers/OrderEnums.sol";
import {Order} from "../helpers/OrderStructs.sol";
import {IStash} from "../interfaces/IStash.sol";
import {IAuction} from "../interfaces/IAuction.sol";
import {IStashFactory} from "../interfaces/IStashFactory.sol";
import {ISanctionsList} from "../interfaces/ISanctionsList.sol";
import {IRegistry} from "../interfaces/IRegistry.sol";
import {ICreatorToken} from "../interfaces/ICreatorToken.sol";
import {ITransferValidator} from "../interfaces/ITransferValidator.sol";
import {SingleUseVRFConsumer} from "../helpers/SingleUseVRFConsumer.sol";
import {ERC2981} from "solady/tokens/ERC2981.sol";
import {Ownable} from "solady/auth/Ownable.sol";
import {IERC721} from "forge-std/interfaces/IERC721.sol";
import {IERC165} from "forge-std/interfaces/IERC165.sol";
import "ERC721A/extensions/ERC721AQueryable.sol";
error NotEnoughEther();
error ExceedMaxSupply();
error BidForZeroUnits();
error AuctionFinalized();
error FailedToWithdraw();
error AuctionInProgress();
error CallerNotEligible();
error CannotCloseAuction();
error ArrayLengthMismatch();
error AuctionNotConfigured();
error IncreasingPriceDisallowed();
error CannotTransferDuringAuction();
error ProvenanceMustBeSetBeforeFinalization();
/**
* @title SuperPunkWorld
* @notice Nina Chanel X Yuga Labs
*/
contract SuperPunkWorld is ERC721AQueryable, SingleUseVRFConsumer, ERC2981, Ownable, IAuction, ICreatorToken {
event NewBid(uint256 bidAmount, uint256 numberOfUnits);
struct AuctionInfo {
uint24 dropInterval;
uint32 startTime;
uint32 endTime;
uint32 priceCurveLength;
uint64 endPrice;
uint72 startPrice;
}
uint256 public constant MAX_SUPPLY = 500;
address private constant _PAYMENT_TOKEN = address(0);
OrderType private constant _ORDER_TYPE = OrderType.SUBSEQUENT_BIDS_OVERWRITE_PRICE_AND_ADD_UNITS;
address private immutable _SPLITTER;
address private immutable _CHAINALYSIS;
address private constant _STASH_FACTORY = 0x000000000000A6fA31F5fC51c1640aAc76866750;
AuctionInfo public auctionInfo;
uint80 public finalPrice;
bool public finalized;
bytes32 public provenanceHash;
string private _baseUri;
ITransferValidator private _transferValidator;
constructor(
uint32 _startTime,
uint32 _endTime,
uint32 _priceCurveInSeconds,
uint24 _dropIntervalInSeconds,
address _chainalysis,
address _splitterContract,
address _link,
address _vrfWrapper,
address __transferValidator
) ERC721A("Super Punk World", "SPW") SingleUseVRFConsumer(_link, _vrfWrapper) {
address _owner = tx.origin;
_initializeOwner(_owner);
auctionInfo = AuctionInfo(
_dropIntervalInSeconds,
_startTime,
_endTime,
_priceCurveInSeconds,
0,
0 // end price and start price to be set closer to auction start
);
_CHAINALYSIS = _chainalysis;
_SPLITTER = _splitterContract;
_transferValidator = ITransferValidator(__transferValidator);
_setDefaultRoyalty(_splitterContract, 500);
}
// Allows the contract to receive Ether
receive() external payable {}
/**
* @notice Performs checks and creates a bid in the stash of `msg.sender` on this auction. Supports
* direct ownership, or ownership through warm or delegate cash
* @param numberOfUnits The number of units to bid on
* @dev Total amount bid is calculated as pricePerUnit * numberOfUnits
* @dev If a user does not yet have a stash, one will be deployed for them as a part of this transaction.
* @dev Total amount to bid must be fulfillable with a combination of `msg.value` and the balance of the user's stash.
*/
function bid(uint16 numberOfUnits) external payable {
if (!_canBid(msg.sender)) revert CallerNotEligible();
if (_totalMinted() + numberOfUnits > MAX_SUPPLY) revert ExceedMaxSupply();
if (numberOfUnits == 0) revert BidForZeroUnits();
if (!open()) revert AuctionNotOpen();
if (auctionInfo.endPrice == 0) revert AuctionNotConfigured();
uint80 pricePerUnit = currentPrice();
uint256 totalCost = pricePerUnit * numberOfUnits; // max 4300 eth
address stashAddress = IStashFactory(_STASH_FACTORY).stashAddressFor(msg.sender);
uint256 size;
assembly {
size := extcodesize(stashAddress)
}
if (size == 0) {
IStashFactory(_STASH_FACTORY).deployStash(msg.sender);
}
IStash stash = IStash(stashAddress);
uint256 stashBalance = stash.availableLiquidity(address(0));
Order memory existingOrder;
try stash.getOrder(address(this)) returns (Order memory order) {
existingOrder = order;
} catch {}
uint256 liquidityToUnlock;
if (existingOrder.numberOfUnits > 0) {
// In a decreasing price auction, earlier bids get adjusted downwards to the new price upon re-bidding
liquidityToUnlock = (existingOrder.pricePerUnit - pricePerUnit) * existingOrder.numberOfUnits;
}
if (stashBalance + liquidityToUnlock + msg.value < totalCost) {
revert NotEnoughEther();
}
stash.placeOrder{value: msg.value}(pricePerUnit, numberOfUnits);
_mint(msg.sender, numberOfUnits);
if (_totalMinted() == MAX_SUPPLY) finalPrice = pricePerUnit;
emit NewBid(pricePerUnit, numberOfUnits);
}
/**
* @notice Claims units for a list of recipients. Used by Yuga prior to finalization to process claims for
* bidders that have not done so.
*/
function processOrders(address[] calldata _recipients, uint16[] calldata _unitCounts) external onlyOwner {
if (open()) revert AuctionInProgress();
if (finalized) revert AuctionFinalized();
if (_recipients.length != _unitCounts.length) revert ArrayLengthMismatch();
for (uint256 i = 0; i < _recipients.length;) {
_processOrderFor(_recipients[i], _unitCounts[i]);
unchecked {
++i;
}
}
}
/**
* @notice Finalizes the auction. This can only be done after the auction is closed.
* @dev Once called, all bids will be released and bidders will be free to withdraw their funds.
* @dev Ensure all bids have been claimed prior to calling this function.
*/
function finalizeAuction() external onlyOwner {
if (open()) revert CannotFinalizeOpenAuction();
if (provenanceHash == 0) revert ProvenanceMustBeSetBeforeFinalization();
finalized = true;
}
/**
* @notice withdraws contract balance to `owner`
*/
function withdraw() external onlyOwner {
(bool success,) = payable(_SPLITTER).call{value: address(this).balance}("");
if (!success) revert FailedToWithdraw();
}
/**
* @notice Sets the auction start and end price.
*/
function setPrice(uint72 _startPriceWei, uint64 _endPriceWei) external onlyOwner {
if (_endPriceWei > _startPriceWei) revert IncreasingPriceDisallowed();
auctionInfo.startPrice = _startPriceWei;
auctionInfo.endPrice = _endPriceWei;
}
/**
* @notice Sets the auction start, end, drop interval and price curve.
*/
function setTime(uint32 _startTime, uint32 _endTime, uint32 _priceCurveInSeconds, uint24 _dropIntervalInSeconds)
external
onlyOwner
{
auctionInfo.startTime = _startTime;
auctionInfo.endTime = _endTime;
auctionInfo.priceCurveLength = _priceCurveInSeconds;
auctionInfo.dropInterval = _dropIntervalInSeconds;
}
/**
* @notice Sets the base URI for the collection. TokenURIs are the concatenation of baseURI + tokenId
*/
function setBaseUri(string calldata baseUri) external onlyOwner {
_baseUri = baseUri;
}
/**
* @notice Sets the provenance hash for the collection.
* @param hash The hash of the provenance information.
* @dev This hash is used to verify the authenticity of the collection. It uses unshuffled metadata, concatenated in order
* and hashed using keccak256. Once the auction is finalized, the metadata will be offset by a random number, to be determined
* using chainlink VRF. Those seeking to verify the authenticity of the collection will need to apply the same offset when doing
* so. It is publicly accessible by reading the `offset` on this contract.
*/
function setProvenanceHash(bytes32 hash) external onlyOwner {
if (finalized) revert ProvenanceMustBeSetBeforeFinalization();
provenanceHash = hash;
}
/**
* @notice Sets the VRF offset for the collection.
* @dev This is used to offset the provenance hash by a random number, to be determined using chainlink VRF.
* @dev Though this function can be called more than once, the `fullfillRandomWords` callback will revert if
* the offset has already been set.
*/
function setVrfOffset() external onlyOwner {
vrfRequestId = requestRandomness(100000, 3, 1);
}
/**
* @dev Sets the royalty information for the token collection.
* @param receiver The address of the royalty recipient.
* @param feeNumerator The royalty fee numerator.
*/
function setRoyaltyInfo(address receiver, uint96 feeNumerator) external onlyOwner {
_setDefaultRoyalty(receiver, feeNumerator);
}
/**
* @notice Sets the transfer validator for the collection.
*/
function setTransferValidator(address transferValidator_) external onlyOwner {
address oldValue = address(_transferValidator);
_transferValidator = ITransferValidator(transferValidator_);
emit TransferValidatorUpdated(oldValue, transferValidator_);
}
function getTransferValidationFunction() external pure returns (bytes4 functionSignature, bool isViewFunction) {
functionSignature = 0x7c1e14b4;
isViewFunction = true;
}
function getTransferValidator() external view returns (address validator) {
validator = address(_transferValidator);
}
/**
* @notice Used to retrieve bid type and payment token for this auction
*/
function bidConfig() external pure override returns (address, OrderType) {
return (_PAYMENT_TOKEN, _ORDER_TYPE);
}
/**
* @notice Returns the current price of the auction, which will decrease over time until a final price is hit
*/
function currentPrice() public view returns (uint80) {
if (finalPrice > 0) return finalPrice;
AuctionInfo memory info = auctionInfo;
if (block.timestamp < info.startTime) {
return info.startPrice;
}
if (block.timestamp - info.startTime >= info.priceCurveLength) {
return info.endPrice;
} else {
uint256 steps = (block.timestamp - info.startTime) / info.dropInterval;
uint256 auctionDropPerStep = (info.startPrice - info.endPrice) / (info.priceCurveLength / info.dropInterval);
return info.startPrice - (uint80(steps * auctionDropPerStep));
}
}
/**
* @notice Returns whether the auction is currently accepting new bids
*/
function open() public view returns (bool) {
if (_totalMinted() == MAX_SUPPLY) return false;
// If there are available units, the auction is open if the current time is between the start and end time
return block.timestamp >= auctionInfo.startTime && block.timestamp < auctionInfo.endTime;
}
function supportsInterface(bytes4 interfaceId)
public
view
override(ERC721A, IERC721A, IERC165, ERC2981)
returns (bool)
{
return interfaceId == type(IAuction).interfaceId || ERC721A.supportsInterface(interfaceId)
|| ERC2981.supportsInterface(interfaceId);
}
// override _approve, transferFrom, setApprovalForAll to prevent transfers while auction is ongoing
function setApprovalForAll(address operator, bool approved) public override(ERC721A, IERC721A) {
if (open()) revert CannotTransferDuringAuction();
_transferValidator.validateTransfer(operator, msg.sender, operator);
super.setApprovalForAll(operator, approved);
}
function transferFrom(address from, address to, uint256 tokenId) public payable override(ERC721A, IERC721A) {
if (open()) revert CannotTransferDuringAuction();
_transferValidator.validateTransfer(msg.sender, from, to, tokenId);
super.transferFrom(from, to, tokenId);
}
function approve(address to, uint256 tokenId) public payable override(ERC721A, IERC721A) {
if (open()) revert CannotTransferDuringAuction();
_transferValidator.validateTransfer(to, msg.sender, to, tokenId);
super.approve(to, tokenId);
}
/**
* @notice Mints units to caller, transfers funds and modifies or removes the bid from their stash.
* @dev This call will revert is the user does not have a bid of at least `currentPrice()` per unit and for at least `numberOfUnits`
*/
function _processOrderFor(address user, uint16 numberOfUnits) internal {
address stash = IStashFactory(_STASH_FACTORY).stashAddressFor(user);
IStash(stash).processOrder(currentPrice(), numberOfUnits);
}
/**
* @notice Supports ownership through the underlying asset contracts, warm wallets, and delegatexyz
* @param bidder The address of the bidder
* @dev the stash parameter should be address(0) if not bidding through delegatexyz.
*/
function _canBid(address bidder) internal view virtual returns (bool) {
return !ISanctionsList(_CHAINALYSIS).isSanctioned(bidder);
}
function _baseURI() internal view override returns (string memory) {
return _baseUri;
}
function _maxOffsetValue() internal pure override returns (uint256) {
return MAX_SUPPLY;
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {LinkTokenInterface} from "../shared/interfaces/LinkTokenInterface.sol";
import {VRFV2WrapperInterface} from "./interfaces/VRFV2WrapperInterface.sol";
/** *******************************************************************************
* @notice Interface for contracts using VRF randomness through the VRF V2 wrapper
* ********************************************************************************
* @dev PURPOSE
*
* @dev Create VRF V2 requests without the need for subscription management. Rather than creating
* @dev and funding a VRF V2 subscription, a user can use this wrapper to create one off requests,
* @dev paying up front rather than at fulfillment.
*
* @dev Since the price is determined using the gas price of the request transaction rather than
* @dev the fulfillment transaction, the wrapper charges an additional premium on callback gas
* @dev usage, in addition to some extra overhead costs associated with the VRFV2Wrapper contract.
* *****************************************************************************
* @dev USAGE
*
* @dev Calling contracts must inherit from VRFV2WrapperConsumerBase. The consumer must be funded
* @dev with enough LINK to make the request, otherwise requests will revert. To request randomness,
* @dev call the 'requestRandomness' function with the desired VRF parameters. This function handles
* @dev paying for the request based on the current pricing.
*
* @dev Consumers must implement the fullfillRandomWords function, which will be called during
* @dev fulfillment with the randomness result.
*/
abstract contract VRFV2WrapperConsumerBase {
// solhint-disable-next-line chainlink-solidity/prefix-immutable-variables-with-i
LinkTokenInterface internal immutable LINK;
// solhint-disable-next-line chainlink-solidity/prefix-immutable-variables-with-i
VRFV2WrapperInterface internal immutable VRF_V2_WRAPPER;
/**
* @param _link is the address of LinkToken
* @param _vrfV2Wrapper is the address of the VRFV2Wrapper contract
*/
constructor(address _link, address _vrfV2Wrapper) {
LINK = LinkTokenInterface(_link);
VRF_V2_WRAPPER = VRFV2WrapperInterface(_vrfV2Wrapper);
}
/**
* @dev Requests randomness from the VRF V2 wrapper.
*
* @param _callbackGasLimit is the gas limit that should be used when calling the consumer's
* fulfillRandomWords function.
* @param _requestConfirmations is the number of confirmations to wait before fulfilling the
* request. A higher number of confirmations increases security by reducing the likelihood
* that a chain re-org changes a published randomness outcome.
* @param _numWords is the number of random words to request.
*
* @return requestId is the VRF V2 request ID of the newly created randomness request.
*/
// solhint-disable-next-line chainlink-solidity/prefix-internal-functions-with-underscore
function requestRandomness(
uint32 _callbackGasLimit,
uint16 _requestConfirmations,
uint32 _numWords
) internal returns (uint256 requestId) {
LINK.transferAndCall(
address(VRF_V2_WRAPPER),
VRF_V2_WRAPPER.calculateRequestPrice(_callbackGasLimit),
abi.encode(_callbackGasLimit, _requestConfirmations, _numWords)
);
return VRF_V2_WRAPPER.lastRequestId();
}
/**
* @notice fulfillRandomWords handles the VRF V2 wrapper response. The consuming contract must
* @notice implement it.
*
* @param _requestId is the VRF V2 request ID.
* @param _randomWords is the randomness result.
*/
// solhint-disable-next-line chainlink-solidity/prefix-internal-functions-with-underscore
function fulfillRandomWords(uint256 _requestId, uint256[] memory _randomWords) internal virtual;
function rawFulfillRandomWords(uint256 _requestId, uint256[] memory _randomWords) external {
// solhint-disable-next-line gas-custom-errors
require(msg.sender == address(VRF_V2_WRAPPER), "only VRF V2 wrapper can fulfill");
fulfillRandomWords(_requestId, _randomWords);
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface VRFV2WrapperInterface {
/**
* @return the request ID of the most recent VRF V2 request made by this wrapper. This should only
* be relied option within the same transaction that the request was made.
*/
function lastRequestId() external view returns (uint256);
/**
* @notice Calculates the price of a VRF request with the given callbackGasLimit at the current
* @notice block.
*
* @dev This function relies on the transaction gas price which is not automatically set during
* @dev simulation. To estimate the price at a specific gas price, use the estimatePrice function.
*
* @param _callbackGasLimit is the gas limit used to estimate the price.
*/
function calculateRequestPrice(uint32 _callbackGasLimit) external view returns (uint256);
/**
* @notice Estimates the price of a VRF request with a specific gas limit and gas price.
*
* @dev This is a convenience function that can be called in simulation to better understand
* @dev pricing.
*
* @param _callbackGasLimit is the gas limit used to estimate the price.
* @param _requestGasPriceWei is the gas price in wei used for the estimation.
*/
function estimateRequestPrice(uint32 _callbackGasLimit, uint256 _requestGasPriceWei) external view returns (uint256);
}
{
"compilationTarget": {
"src/SuperPunkWorld/SuperPunkWorld.sol": "SuperPunkWorld"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": [
":@openzeppelin/=lib/openzeppelin-contracts/",
":ERC721A/=lib/ERC721A/contracts/",
":chainlink/=lib/chainlink/contracts/src/v0.8/",
":ds-test/=lib/forge-std/lib/ds-test/src/",
":forge-std/=lib/forge-std/src/",
":sol-json/=lib/sol-json/src/",
":solady/=lib/solady/src/",
":soladytest/=lib/solady/test/",
":solmate/=lib/sol-json/lib/solady/lib/solmate/src/"
]
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