Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

import "@openzeppelin/contracts/utils/math/SafeCast.sol";

import {SafeBox, CollectionState, AuctionInfo, FeeConfig, Fees, FeeRate, AuctionType} from "./Structs.sol";
import "./User.sol";
import "./Collection.sol";
import "./Helper.sol";
import "../Errors.sol";
import "../Constants.sol";
import "../interface/IFlooring.sol";
import {SafeBoxLib} from "./SafeBox.sol";
import "../library/RollingBuckets.sol";

library AuctionLib {
    using SafeCast for uint256;
    using CollectionLib for CollectionState;
    using SafeBoxLib for SafeBox;
    using RollingBuckets for mapping(uint256 => uint256);
    using UserLib for UserFloorAccount;
    using UserLib for CollectionAccount;
    using Helper for CollectionState;

    event AuctionStartedV2(
        address indexed trigger,
        address indexed collection,
        uint64[] activityIds,
        uint256[] tokenIds,
        AuctionType typ,
        Fees fees,
        address settleToken,
        uint256 minimumBid,
        uint256 auctionEndTime,
        uint256 safeBoxExpiryTs,
        uint256 adminFee
    );

    event NewTopBidOnAuction(
        address indexed bidder,
        address indexed collection,
        uint64 activityId,
        uint256 tokenId,
        uint256 bidAmount,
        uint256 auctionEndTime,
        uint256 safeBoxExpiryTs
    );

    event AuctionEnded(
        address indexed winner,
        address indexed collection,
        uint64 activityId,
        uint256 tokenId,
        uint256 safeBoxKeyId,
        uint256 collectedFunds
    );

    function ownerInitAuctions(
        CollectionState storage collection,
        mapping(address => UserFloorAccount) storage userAccounts,
        FeeConfig storage feeConf,
        address creditToken,
        address collectionId,
        uint256[] memory nftIds,
        uint256 maxExpiry,
        address token,
        uint256 minimumBid
    ) public {
        if (feeConf.safeboxFee.receipt == address(0)) revert Errors.TokenNotSupported();

        UserFloorAccount storage userAccount = userAccounts[msg.sender];
        uint256 adminFee = Constants.AUCTION_COST * nftIds.length;
        /// transfer fee to contract account
        userAccount.transferToken(userAccounts[address(this)], creditToken, adminFee, true);

        AuctionInfo memory auctionTemplate;
        auctionTemplate.endTime = uint96(block.timestamp + Constants.AUCTION_INITIAL_PERIODS);
        auctionTemplate.bidTokenAddress = token;
        auctionTemplate.minimumBid = minimumBid.toUint96();
        auctionTemplate.triggerAddress = msg.sender;
        auctionTemplate.lastBidAmount = 0;
        auctionTemplate.lastBidder = address(0);
        auctionTemplate.typ = AuctionType.Owned;
        auctionTemplate.fees = Fees({
            royalty: FeeRate({receipt: address(0), rateBips: 0}),
            protocol: FeeRate({receipt: feeConf.safeboxFee.receipt, rateBips: feeConf.safeboxFee.auctionOwned})
        });

        (uint64[] memory activityIds, uint192 newExpiryTs) =
            _ownerInitAuctions(collection, userAccount.getByKey(collectionId), nftIds, maxExpiry, auctionTemplate);

        emit AuctionStartedV2(
            msg.sender,
            collectionId,
            activityIds,
            nftIds,
            auctionTemplate.typ,
            auctionTemplate.fees,
            token,
            minimumBid,
            auctionTemplate.endTime,
            newExpiryTs,
            adminFee
        );
    }

    function _ownerInitAuctions(
        CollectionState storage collectionState,
        CollectionAccount storage userAccount,
        uint256[] memory nftIds,
        uint256 maxExpiry,
        AuctionInfo memory auctionTemplate
    ) private returns (uint64[] memory activityIds, uint32 newExpiryTs) {
        newExpiryTs = uint32(auctionTemplate.endTime + Constants.AUCTION_COMPLETE_GRACE_PERIODS);

        uint256 firstIdx = Helper.counterStamp(newExpiryTs) - Helper.counterStamp(block.timestamp);

        uint256[] memory toUpdateBucket;
        /// if maxExpiryTs == 0, it means all nftIds in this batch being locked infinitely that we don't need to update countingBuckets
        if (maxExpiry > 0) {
            toUpdateBucket = collectionState.countingBuckets.batchGet(
                Helper.counterStamp(block.timestamp),
                Math.min(Helper.counterStamp(maxExpiry), collectionState.lastUpdatedBucket)
            );
        }

        activityIds = new uint64[](nftIds.length);
        for (uint256 i = 0; i < nftIds.length;) {
            if (collectionState.hasActiveActivities(nftIds[i])) revert Errors.NftHasActiveActivities();

            (SafeBox storage safeBox,) = collectionState.useSafeBoxAndKey(userAccount, nftIds[i]);

            if (safeBox.isInfiniteSafeBox()) {
                --collectionState.infiniteCnt;
            } else {
                uint256 oldExpiryTs = safeBox.expiryTs;
                if (oldExpiryTs < newExpiryTs) {
                    revert Errors.InvalidParam();
                }
                uint256 lastIdx = Helper.counterStamp(oldExpiryTs) - Helper.counterStamp(block.timestamp);
                if (firstIdx > lastIdx || lastIdx > toUpdateBucket.length) revert Errors.InvalidParam();
                for (uint256 k = firstIdx; k < lastIdx;) {
                    --toUpdateBucket[k];
                    unchecked {
                        ++k;
                    }
                }
            }

            safeBox.expiryTs = newExpiryTs;

            activityIds[i] = collectionState.generateNextActivityId();

            auctionTemplate.activityId = activityIds[i];
            collectionState.activeAuctions[nftIds[i]] = auctionTemplate;

            unchecked {
                ++i;
            }
        }
        if (toUpdateBucket.length > 0) {
            collectionState.countingBuckets.batchSet(Helper.counterStamp(block.timestamp), toUpdateBucket);
        }
    }

    function initAuctionOnExpiredSafeBoxes(
        CollectionState storage collection,
        mapping(address => UserFloorAccount) storage userAccounts,
        FeeConfig storage feeConf,
        address creditToken,
        address collectionId,
        uint256[] memory nftIds,
        address bidToken,
        uint256 bidAmount
    ) public {
        if (feeConf.safeboxFee.receipt == address(0)) revert Errors.TokenNotSupported();
        {
            uint256 lockingRatio = Helper.calculateLockingRatio(collection, 0);
            (uint256 currentFee,) = Constants.getVaultFeeAtLR(lockingRatio);
            if (bidAmount < currentFee) revert Errors.AuctionInvalidBidAmount();
        }

        AuctionInfo memory auctionTemplate;
        auctionTemplate.endTime = uint96(block.timestamp + Constants.AUCTION_INITIAL_PERIODS);
        auctionTemplate.bidTokenAddress = bidToken;
        auctionTemplate.minimumBid = bidAmount.toUint96();
        auctionTemplate.triggerAddress = msg.sender;
        auctionTemplate.lastBidAmount = bidAmount.toUint96();
        auctionTemplate.lastBidder = msg.sender;
        auctionTemplate.typ = AuctionType.Expired;
        auctionTemplate.fees = Fees({
            royalty: FeeRate({receipt: address(0), rateBips: 0}),
            protocol: FeeRate({receipt: feeConf.safeboxFee.receipt, rateBips: feeConf.safeboxFee.auctionExpired})
        });

        (uint64[] memory activityIds, uint192 newExpiry) =
            _initAuctionOnExpiredSafeBoxes(collection, nftIds, auctionTemplate);

        uint256 adminFee = Constants.AUCTION_ON_EXPIRED_SAFEBOX_COST * nftIds.length;
        if (bidToken == creditToken) {
            userAccounts[msg.sender].transferToken(
                userAccounts[address(this)], bidToken, bidAmount * nftIds.length + adminFee, true
            );
        } else {
            userAccounts[msg.sender].transferToken(
                userAccounts[address(this)], bidToken, bidAmount * nftIds.length, false
            );
            if (adminFee > 0) {
                userAccounts[msg.sender].transferToken(userAccounts[address(this)], creditToken, adminFee, true);
            }
        }

        emit AuctionStartedV2(
            msg.sender,
            collectionId,
            activityIds,
            nftIds,
            auctionTemplate.typ,
            auctionTemplate.fees,
            bidToken,
            bidAmount,
            auctionTemplate.endTime,
            newExpiry,
            adminFee
        );
    }

    function _initAuctionOnExpiredSafeBoxes(
        CollectionState storage collectionState,
        uint256[] memory nftIds,
        AuctionInfo memory auctionTemplate
    ) private returns (uint64[] memory activityIds, uint32 newExpiry) {
        newExpiry = uint32(auctionTemplate.endTime + Constants.AUCTION_COMPLETE_GRACE_PERIODS);

        activityIds = new uint64[](nftIds.length);
        for (uint256 idx; idx < nftIds.length;) {
            uint256 nftId = nftIds[idx];
            if (collectionState.hasActiveActivities(nftId)) revert Errors.NftHasActiveActivities();

            SafeBox storage safeBox = collectionState.useSafeBox(nftId);
            if (!safeBox.isSafeBoxExpired()) revert Errors.SafeBoxHasNotExpire();
            if (Helper.isAuctionPeriodOver(safeBox)) revert Errors.SafeBoxAuctionWindowHasPassed();

            activityIds[idx] = collectionState.generateNextActivityId();
            auctionTemplate.activityId = activityIds[idx];
            collectionState.activeAuctions[nftId] = auctionTemplate;

            /// We keep the owner of safebox unchanged, and it will be used to distribute auction funds
            safeBox.expiryTs = newExpiry;
            safeBox.keyId = SafeBoxLib.SAFEBOX_KEY_NOTATION;

            unchecked {
                ++idx;
            }
        }

        Helper.applyDiffToCounters(
            collectionState, Helper.counterStamp(block.timestamp), Helper.counterStamp(newExpiry), int256(nftIds.length)
        );
    }

    function initAuctionOnVault(
        CollectionState storage collection,
        mapping(address => UserFloorAccount) storage userAccounts,
        FeeConfig storage feeConf,
        address creditToken,
        address collectionId,
        uint256[] memory vaultIdx,
        address bidToken,
        uint96 bidAmount
    ) public {
        if (vaultIdx.length != 1) revert Errors.InvalidParam();
        if (feeConf.vaultFee.receipt == address(0)) revert Errors.TokenNotSupported();

        {
            /// check auction period and bid price
            uint256 lockingRatio = Helper.calculateLockingRatio(collection, 0);
            uint256 periodDuration = Constants.getVaultAuctionDurationAtLR(lockingRatio);
            if (block.timestamp - collection.lastVaultAuctionPeriodTs <= periodDuration) {
                revert Errors.PeriodQuotaExhausted();
            }

            (uint256 currentFee,) = Constants.getVaultFeeAtLR(lockingRatio);
            if (bidAmount < currentFee) revert Errors.AuctionInvalidBidAmount();
        }

        AuctionInfo memory auctionTemplate;
        auctionTemplate.endTime = uint96(block.timestamp + Constants.AUCTION_INITIAL_PERIODS);
        auctionTemplate.bidTokenAddress = bidToken;
        auctionTemplate.minimumBid = bidAmount;
        auctionTemplate.triggerAddress = msg.sender;
        auctionTemplate.lastBidAmount = bidAmount;
        auctionTemplate.lastBidder = msg.sender;
        auctionTemplate.typ = AuctionType.Vault;
        auctionTemplate.fees = Fees({
            royalty: FeeRate({receipt: feeConf.royalty.receipt, rateBips: feeConf.royalty.vault}),
            protocol: FeeRate({receipt: feeConf.vaultFee.receipt, rateBips: feeConf.vaultFee.vaultAuction})
        });

        SafeBox memory safeboxTemplate = SafeBox({
            keyId: SafeBoxLib.SAFEBOX_KEY_NOTATION,
            expiryTs: uint32(auctionTemplate.endTime + Constants.AUCTION_COMPLETE_GRACE_PERIODS),
            owner: address(this)
        });

        uint64[] memory activityIds = new uint64[](vaultIdx.length);

        /// vaultIdx keeps asc order
        for (uint256 i = vaultIdx.length; i > 0;) {
            unchecked {
                --i;
            }

            if (vaultIdx[i] >= collection.freeTokenIds.length) revert Errors.InvalidParam();
            uint256 nftId = collection.freeTokenIds[vaultIdx[i]];

            collection.addSafeBox(nftId, safeboxTemplate);

            auctionTemplate.activityId = collection.generateNextActivityId();
            collection.activeAuctions[nftId] = auctionTemplate;
            activityIds[i] = auctionTemplate.activityId;

            collection.freeTokenIds[vaultIdx[i]] = collection.freeTokenIds[collection.freeTokenIds.length - 1];
            collection.freeTokenIds.pop();

            /// reuse the array
            vaultIdx[i] = nftId;
        }

        userAccounts[msg.sender].transferToken(
            userAccounts[address(this)],
            auctionTemplate.bidTokenAddress,
            bidAmount * vaultIdx.length,
            bidToken == creditToken
        );

        Helper.applyDiffToCounters(
            collection,
            Helper.counterStamp(block.timestamp),
            Helper.counterStamp(safeboxTemplate.expiryTs),
            int256(vaultIdx.length)
        );

        /// update auction timestamp
        collection.lastVaultAuctionPeriodTs = uint32(block.timestamp);

        emit AuctionStartedV2(
            msg.sender,
            collectionId,
            activityIds,
            vaultIdx,
            auctionTemplate.typ,
            auctionTemplate.fees,
            auctionTemplate.bidTokenAddress,
            bidAmount,
            auctionTemplate.endTime,
            safeboxTemplate.expiryTs,
            0
        );
    }

    struct BidParam {
        uint256 nftId;
        uint96 bidAmount;
        address bidder;
        uint256 extendDuration;
        uint256 minIncrPct;
    }

    function placeBidOnAuction(
        CollectionState storage collection,
        mapping(address => UserFloorAccount) storage userAccounts,
        address creditToken,
        address collectionId,
        uint256 nftId,
        uint256 bidAmount,
        uint256 bidOptionIdx
    ) public {
        uint256 prevBidAmount;
        address prevBidder;
        {
            Constants.AuctionBidOption memory bidOption = Constants.getBidOption(bidOptionIdx);
            userAccounts[msg.sender].ensureVipCredit(uint8(bidOption.vipLevel), creditToken);

            (prevBidAmount, prevBidder) = _placeBidOnAuction(
                collection,
                BidParam(
                    nftId, bidAmount.toUint96(), msg.sender, bidOption.extendDurationSecs, bidOption.minimumRaisePct
                )
            );
        }

        AuctionInfo memory auction = collection.activeAuctions[nftId];

        address bidToken = auction.bidTokenAddress;
        userAccounts[msg.sender].transferToken(
            userAccounts[address(this)], bidToken, bidAmount, bidToken == creditToken
        );

        if (prevBidAmount > 0) {
            /// refund previous bid
            /// contract account no need to check credit requirements
            userAccounts[address(this)].transferToken(userAccounts[prevBidder], bidToken, prevBidAmount, false);
        }

        SafeBox memory safebox = collection.safeBoxes[nftId];
        emit NewTopBidOnAuction(
            msg.sender, collectionId, auction.activityId, nftId, bidAmount, auction.endTime, safebox.expiryTs
        );
    }

    function _placeBidOnAuction(CollectionState storage collectionState, BidParam memory param)
        private
        returns (uint128 prevBidAmount, address prevBidder)
    {
        AuctionInfo storage auctionInfo = collectionState.activeAuctions[param.nftId];

        SafeBox storage safeBox = collectionState.useSafeBox(param.nftId);
        uint256 endTime = auctionInfo.endTime;
        {
            (prevBidAmount, prevBidder) = (auctionInfo.lastBidAmount, auctionInfo.lastBidder);
            // param check
            if (endTime == 0) revert Errors.AuctionNotExist();
            if (endTime <= block.timestamp) revert Errors.AuctionHasExpire();
            if (prevBidAmount >= param.bidAmount || auctionInfo.minimumBid > param.bidAmount) {
                revert Errors.AuctionBidIsNotHighEnough();
            }
            if (prevBidder == param.bidder) revert Errors.AuctionSelfBid();
            // owner starts auction, can not bid by himself
            if (auctionInfo.typ == AuctionType.Owned && param.bidder == safeBox.owner) revert Errors.AuctionSelfBid();

            if (prevBidAmount > 0 && !isValidNewBid(param.bidAmount, prevBidAmount, param.minIncrPct)) {
                revert Errors.AuctionInvalidBidAmount();
            }
        }

        /// Changing safebox key id which means the corresponding safebox key doesn't hold the safebox now
        safeBox.keyId = SafeBoxLib.SAFEBOX_KEY_NOTATION;

        uint256 newAuctionEndTime = block.timestamp + param.extendDuration;
        if (newAuctionEndTime > endTime) {
            uint256 newSafeBoxExpiryTs = newAuctionEndTime + Constants.AUCTION_COMPLETE_GRACE_PERIODS;
            Helper.applyDiffToCounters(
                collectionState, Helper.counterStamp(safeBox.expiryTs), Helper.counterStamp(newSafeBoxExpiryTs), 1
            );

            safeBox.expiryTs = uint32(newSafeBoxExpiryTs);
            auctionInfo.endTime = uint96(newAuctionEndTime);
        }

        auctionInfo.lastBidAmount = param.bidAmount;
        auctionInfo.lastBidder = param.bidder;
    }

    function settleAuctions(
        CollectionState storage collection,
        mapping(address => UserFloorAccount) storage userAccounts,
        address collectionId,
        uint256[] memory nftIds
    ) public {
        for (uint256 i; i < nftIds.length;) {
            uint256 nftId = nftIds[i];
            SafeBox storage safebox = Helper.useSafeBox(collection, nftId);

            if (safebox.isSafeBoxExpired()) revert Errors.SafeBoxHasExpire();

            AuctionInfo memory auctionInfo = collection.activeAuctions[nftId];
            if (auctionInfo.endTime == 0) revert Errors.AuctionNotExist();
            if (auctionInfo.endTime > block.timestamp) revert Errors.AuctionHasNotCompleted();
            /// noone bid on the aciton, can not be settled
            if (auctionInfo.lastBidder == address(0)) revert Errors.AuctionHasNotCompleted();

            distributeFunds(userAccounts, auctionInfo, safebox.owner);

            /// transfer safebox
            address winner = auctionInfo.lastBidder;
            SafeBoxKey memory key = SafeBoxKey({keyId: collection.generateNextKeyId(), lockingCredit: 0, vipLevel: 0});

            safebox.keyId = key.keyId;
            safebox.owner = winner;

            UserFloorAccount storage account = userAccounts[winner];
            CollectionAccount storage userCollectionAccount = account.getByKey(collectionId);
            userCollectionAccount.addSafeboxKey(nftId, key);

            delete collection.activeAuctions[nftId];

            emit AuctionEnded(winner, collectionId, auctionInfo.activityId, nftId, key.keyId, auctionInfo.lastBidAmount);

            unchecked {
                ++i;
            }
        }
    }

    function distributeFunds(
        mapping(address => UserFloorAccount) storage accounts,
        AuctionInfo memory auction,
        address owner
    ) private {
        /// contract account no need to check credit requirements
        address token = auction.bidTokenAddress;
        Fees memory fees = auction.fees;
        (uint256 priceWithoutFee, uint256 protocolFee, uint256 royalty) =
            Helper.computeFees(auction.lastBidAmount, fees);

        UserFloorAccount storage contractAccount = accounts[address(this)];

        if (royalty > 0) {
            contractAccount.transferToken(accounts[fees.royalty.receipt], token, royalty, false);
        }
        if (protocolFee > 0) {
            contractAccount.transferToken(accounts[fees.protocol.receipt], token, protocolFee, false);
        }
        if (priceWithoutFee > 0) {
            contractAccount.transferToken(accounts[owner], token, priceWithoutFee, false);
        }
    }

    function isValidNewBid(uint256 newBid, uint256 previousBid, uint256 minRaisePct) private pure returns (bool) {
        uint256 minIncrement = previousBid * minRaisePct / 100;
        if (minIncrement < 1) {
            minIncrement = 1;
        }

        if (newBid < previousBid + minIncrement) {
            return false;
        }
        // think: always thought this should be previousBid....
        uint256 newIncrementAmount = newBid / 100;
        if (newIncrementAmount < 1) {
            newIncrementAmount = 1;
        }
        return newBid % newIncrementAmount == 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.20;

import {IERC165} from "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @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`.
     *
     * 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 calldata data) external;

    /**
     * @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 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) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the address zero.
     *
     * 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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.20;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be
     * reverted.
     *
     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)

pragma solidity ^0.8.20;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Muldiv operation overflow.
     */
    error MathOverflowedMulDiv();

    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }

    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds towards infinity instead
     * of rounding towards zero.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        if (b == 0) {
            // Guarantee the same behavior as in a regular Solidity division.
            return a / b;
        }

        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or
     * denominator == 0.
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by
     * Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0 = x * y; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            if (denominator <= prod1) {
                revert MathOverflowedMulDiv();
            }

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator.
            // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.

            uint256 twos = denominator & (0 - denominator);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
            // works in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
     * towards zero.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);
        }
    }

    /**
     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
     */
    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
        return uint8(rounding) % 2 == 1;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.20;

/**
 * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such an operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeCast {
    /**
     * @dev Value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);

    /**
     * @dev An int value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedIntToUint(int256 value);

    /**
     * @dev Value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);

    /**
     * @dev An uint value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedUintToInt(uint256 value);

    /**
     * @dev Returns the downcasted uint248 from uint256, reverting on
     * overflow (when the input is greater than largest uint248).
     *
     * Counterpart to Solidity's `uint248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toUint248(uint256 value) internal pure returns (uint248) {
        if (value > type(uint248).max) {
            revert SafeCastOverflowedUintDowncast(248, value);
        }
        return uint248(value);
    }

    /**
     * @dev Returns the downcasted uint240 from uint256, reverting on
     * overflow (when the input is greater than largest uint240).
     *
     * Counterpart to Solidity's `uint240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toUint240(uint256 value) internal pure returns (uint240) {
        if (value > type(uint240).max) {
            revert SafeCastOverflowedUintDowncast(240, value);
        }
        return uint240(value);
    }

    /**
     * @dev Returns the downcasted uint232 from uint256, reverting on
     * overflow (when the input is greater than largest uint232).
     *
     * Counterpart to Solidity's `uint232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toUint232(uint256 value) internal pure returns (uint232) {
        if (value > type(uint232).max) {
            revert SafeCastOverflowedUintDowncast(232, value);
        }
        return uint232(value);
    }

    /**
     * @dev Returns the downcasted uint224 from uint256, reverting on
     * overflow (when the input is greater than largest uint224).
     *
     * Counterpart to Solidity's `uint224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        if (value > type(uint224).max) {
            revert SafeCastOverflowedUintDowncast(224, value);
        }
        return uint224(value);
    }

    /**
     * @dev Returns the downcasted uint216 from uint256, reverting on
     * overflow (when the input is greater than largest uint216).
     *
     * Counterpart to Solidity's `uint216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toUint216(uint256 value) internal pure returns (uint216) {
        if (value > type(uint216).max) {
            revert SafeCastOverflowedUintDowncast(216, value);
        }
        return uint216(value);
    }

    /**
     * @dev Returns the downcasted uint208 from uint256, reverting on
     * overflow (when the input is greater than largest uint208).
     *
     * Counterpart to Solidity's `uint208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toUint208(uint256 value) internal pure returns (uint208) {
        if (value > type(uint208).max) {
            revert SafeCastOverflowedUintDowncast(208, value);
        }
        return uint208(value);
    }

    /**
     * @dev Returns the downcasted uint200 from uint256, reverting on
     * overflow (when the input is greater than largest uint200).
     *
     * Counterpart to Solidity's `uint200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toUint200(uint256 value) internal pure returns (uint200) {
        if (value > type(uint200).max) {
            revert SafeCastOverflowedUintDowncast(200, value);
        }
        return uint200(value);
    }

    /**
     * @dev Returns the downcasted uint192 from uint256, reverting on
     * overflow (when the input is greater than largest uint192).
     *
     * Counterpart to Solidity's `uint192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toUint192(uint256 value) internal pure returns (uint192) {
        if (value > type(uint192).max) {
            revert SafeCastOverflowedUintDowncast(192, value);
        }
        return uint192(value);
    }

    /**
     * @dev Returns the downcasted uint184 from uint256, reverting on
     * overflow (when the input is greater than largest uint184).
     *
     * Counterpart to Solidity's `uint184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toUint184(uint256 value) internal pure returns (uint184) {
        if (value > type(uint184).max) {
            revert SafeCastOverflowedUintDowncast(184, value);
        }
        return uint184(value);
    }

    /**
     * @dev Returns the downcasted uint176 from uint256, reverting on
     * overflow (when the input is greater than largest uint176).
     *
     * Counterpart to Solidity's `uint176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toUint176(uint256 value) internal pure returns (uint176) {
        if (value > type(uint176).max) {
            revert SafeCastOverflowedUintDowncast(176, value);
        }
        return uint176(value);
    }

    /**
     * @dev Returns the downcasted uint168 from uint256, reverting on
     * overflow (when the input is greater than largest uint168).
     *
     * Counterpart to Solidity's `uint168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toUint168(uint256 value) internal pure returns (uint168) {
        if (value > type(uint168).max) {
            revert SafeCastOverflowedUintDowncast(168, value);
        }
        return uint168(value);
    }

    /**
     * @dev Returns the downcasted uint160 from uint256, reverting on
     * overflow (when the input is greater than largest uint160).
     *
     * Counterpart to Solidity's `uint160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toUint160(uint256 value) internal pure returns (uint160) {
        if (value > type(uint160).max) {
            revert SafeCastOverflowedUintDowncast(160, value);
        }
        return uint160(value);
    }

    /**
     * @dev Returns the downcasted uint152 from uint256, reverting on
     * overflow (when the input is greater than largest uint152).
     *
     * Counterpart to Solidity's `uint152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toUint152(uint256 value) internal pure returns (uint152) {
        if (value > type(uint152).max) {
            revert SafeCastOverflowedUintDowncast(152, value);
        }
        return uint152(value);
    }

    /**
     * @dev Returns the downcasted uint144 from uint256, reverting on
     * overflow (when the input is greater than largest uint144).
     *
     * Counterpart to Solidity's `uint144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toUint144(uint256 value) internal pure returns (uint144) {
        if (value > type(uint144).max) {
            revert SafeCastOverflowedUintDowncast(144, value);
        }
        return uint144(value);
    }

    /**
     * @dev Returns the downcasted uint136 from uint256, reverting on
     * overflow (when the input is greater than largest uint136).
     *
     * Counterpart to Solidity's `uint136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toUint136(uint256 value) internal pure returns (uint136) {
        if (value > type(uint136).max) {
            revert SafeCastOverflowedUintDowncast(136, value);
        }
        return uint136(value);
    }

    /**
     * @dev Returns the downcasted uint128 from uint256, reverting on
     * overflow (when the input is greater than largest uint128).
     *
     * Counterpart to Solidity's `uint128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        if (value > type(uint128).max) {
            revert SafeCastOverflowedUintDowncast(128, value);
        }
        return uint128(value);
    }

    /**
     * @dev Returns the downcasted uint120 from uint256, reverting on
     * overflow (when the input is greater than largest uint120).
     *
     * Counterpart to Solidity's `uint120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toUint120(uint256 value) internal pure returns (uint120) {
        if (value > type(uint120).max) {
            revert SafeCastOverflowedUintDowncast(120, value);
        }
        return uint120(value);
    }

    /**
     * @dev Returns the downcasted uint112 from uint256, reverting on
     * overflow (when the input is greater than largest uint112).
     *
     * Counterpart to Solidity's `uint112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toUint112(uint256 value) internal pure returns (uint112) {
        if (value > type(uint112).max) {
            revert SafeCastOverflowedUintDowncast(112, value);
        }
        return uint112(value);
    }

    /**
     * @dev Returns the downcasted uint104 from uint256, reverting on
     * overflow (when the input is greater than largest uint104).
     *
     * Counterpart to Solidity's `uint104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toUint104(uint256 value) internal pure returns (uint104) {
        if (value > type(uint104).max) {
            revert SafeCastOverflowedUintDowncast(104, value);
        }
        return uint104(value);
    }

    /**
     * @dev Returns the downcasted uint96 from uint256, reverting on
     * overflow (when the input is greater than largest uint96).
     *
     * Counterpart to Solidity's `uint96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        if (value > type(uint96).max) {
            revert SafeCastOverflowedUintDowncast(96, value);
        }
        return uint96(value);
    }

    /**
     * @dev Returns the downcasted uint88 from uint256, reverting on
     * overflow (when the input is greater than largest uint88).
     *
     * Counterpart to Solidity's `uint88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toUint88(uint256 value) internal pure returns (uint88) {
        if (value > type(uint88).max) {
            revert SafeCastOverflowedUintDowncast(88, value);
        }
        return uint88(value);
    }

    /**
     * @dev Returns the downcasted uint80 from uint256, reverting on
     * overflow (when the input is greater than largest uint80).
     *
     * Counterpart to Solidity's `uint80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toUint80(uint256 value) internal pure returns (uint80) {
        if (value > type(uint80).max) {
            revert SafeCastOverflowedUintDowncast(80, value);
        }
        return uint80(value);
    }

    /**
     * @dev Returns the downcasted uint72 from uint256, reverting on
     * overflow (when the input is greater than largest uint72).
     *
     * Counterpart to Solidity's `uint72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toUint72(uint256 value) internal pure returns (uint72) {
        if (value > type(uint72).max) {
            revert SafeCastOverflowedUintDowncast(72, value);
        }
        return uint72(value);
    }

    /**
     * @dev Returns the downcasted uint64 from uint256, reverting on
     * overflow (when the input is greater than largest uint64).
     *
     * Counterpart to Solidity's `uint64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        if (value > type(uint64).max) {
            revert SafeCastOverflowedUintDowncast(64, value);
        }
        return uint64(value);
    }

    /**
     * @dev Returns the downcasted uint56 from uint256, reverting on
     * overflow (when the input is greater than largest uint56).
     *
     * Counterpart to Solidity's `uint56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toUint56(uint256 value) internal pure returns (uint56) {
        if (value > type(uint56).max) {
            revert SafeCastOverflowedUintDowncast(56, value);
        }
        return uint56(value);
    }

    /**
     * @dev Returns the downcasted uint48 from uint256, reverting on
     * overflow (when the input is greater than largest uint48).
     *
     * Counterpart to Solidity's `uint48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toUint48(uint256 value) internal pure returns (uint48) {
        if (value > type(uint48).max) {
            revert SafeCastOverflowedUintDowncast(48, value);
        }
        return uint48(value);
    }

    /**
     * @dev Returns the downcasted uint40 from uint256, reverting on
     * overflow (when the input is greater than largest uint40).
     *
     * Counterpart to Solidity's `uint40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toUint40(uint256 value) internal pure returns (uint40) {
        if (value > type(uint40).max) {
            revert SafeCastOverflowedUintDowncast(40, value);
        }
        return uint40(value);
    }

    /**
     * @dev Returns the downcasted uint32 from uint256, reverting on
     * overflow (when the input is greater than largest uint32).
     *
     * Counterpart to Solidity's `uint32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        if (value > type(uint32).max) {
            revert SafeCastOverflowedUintDowncast(32, value);
        }
        return uint32(value);
    }

    /**
     * @dev Returns the downcasted uint24 from uint256, reverting on
     * overflow (when the input is greater than largest uint24).
     *
     * Counterpart to Solidity's `uint24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toUint24(uint256 value) internal pure returns (uint24) {
        if (value > type(uint24).max) {
            revert SafeCastOverflowedUintDowncast(24, value);
        }
        return uint24(value);
    }

    /**
     * @dev Returns the downcasted uint16 from uint256, reverting on
     * overflow (when the input is greater than largest uint16).
     *
     * Counterpart to Solidity's `uint16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        if (value > type(uint16).max) {
            revert SafeCastOverflowedUintDowncast(16, value);
        }
        return uint16(value);
    }

    /**
     * @dev Returns the downcasted uint8 from uint256, reverting on
     * overflow (when the input is greater than largest uint8).
     *
     * Counterpart to Solidity's `uint8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toUint8(uint256 value) internal pure returns (uint8) {
        if (value > type(uint8).max) {
            revert SafeCastOverflowedUintDowncast(8, value);
        }
        return uint8(value);
    }

    /**
     * @dev Converts a signed int256 into an unsigned uint256.
     *
     * Requirements:
     *
     * - input must be greater than or equal to 0.
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        if (value < 0) {
            revert SafeCastOverflowedIntToUint(value);
        }
        return uint256(value);
    }

    /**
     * @dev Returns the downcasted int248 from int256, reverting on
     * overflow (when the input is less than smallest int248 or
     * greater than largest int248).
     *
     * Counterpart to Solidity's `int248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toInt248(int256 value) internal pure returns (int248 downcasted) {
        downcasted = int248(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(248, value);
        }
    }

    /**
     * @dev Returns the downcasted int240 from int256, reverting on
     * overflow (when the input is less than smallest int240 or
     * greater than largest int240).
     *
     * Counterpart to Solidity's `int240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toInt240(int256 value) internal pure returns (int240 downcasted) {
        downcasted = int240(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(240, value);
        }
    }

    /**
     * @dev Returns the downcasted int232 from int256, reverting on
     * overflow (when the input is less than smallest int232 or
     * greater than largest int232).
     *
     * Counterpart to Solidity's `int232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toInt232(int256 value) internal pure returns (int232 downcasted) {
        downcasted = int232(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(232, value);
        }
    }

    /**
     * @dev Returns the downcasted int224 from int256, reverting on
     * overflow (when the input is less than smallest int224 or
     * greater than largest int224).
     *
     * Counterpart to Solidity's `int224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toInt224(int256 value) internal pure returns (int224 downcasted) {
        downcasted = int224(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(224, value);
        }
    }

    /**
     * @dev Returns the downcasted int216 from int256, reverting on
     * overflow (when the input is less than smallest int216 or
     * greater than largest int216).
     *
     * Counterpart to Solidity's `int216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toInt216(int256 value) internal pure returns (int216 downcasted) {
        downcasted = int216(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(216, value);
        }
    }

    /**
     * @dev Returns the downcasted int208 from int256, reverting on
     * overflow (when the input is less than smallest int208 or
     * greater than largest int208).
     *
     * Counterpart to Solidity's `int208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toInt208(int256 value) internal pure returns (int208 downcasted) {
        downcasted = int208(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(208, value);
        }
    }

    /**
     * @dev Returns the downcasted int200 from int256, reverting on
     * overflow (when the input is less than smallest int200 or
     * greater than largest int200).
     *
     * Counterpart to Solidity's `int200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toInt200(int256 value) internal pure returns (int200 downcasted) {
        downcasted = int200(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(200, value);
        }
    }

    /**
     * @dev Returns the downcasted int192 from int256, reverting on
     * overflow (when the input is less than smallest int192 or
     * greater than largest int192).
     *
     * Counterpart to Solidity's `int192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toInt192(int256 value) internal pure returns (int192 downcasted) {
        downcasted = int192(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(192, value);
        }
    }

    /**
     * @dev Returns the downcasted int184 from int256, reverting on
     * overflow (when the input is less than smallest int184 or
     * greater than largest int184).
     *
     * Counterpart to Solidity's `int184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toInt184(int256 value) internal pure returns (int184 downcasted) {
        downcasted = int184(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(184, value);
        }
    }

    /**
     * @dev Returns the downcasted int176 from int256, reverting on
     * overflow (when the input is less than smallest int176 or
     * greater than largest int176).
     *
     * Counterpart to Solidity's `int176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toInt176(int256 value) internal pure returns (int176 downcasted) {
        downcasted = int176(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(176, value);
        }
    }

    /**
     * @dev Returns the downcasted int168 from int256, reverting on
     * overflow (when the input is less than smallest int168 or
     * greater than largest int168).
     *
     * Counterpart to Solidity's `int168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toInt168(int256 value) internal pure returns (int168 downcasted) {
        downcasted = int168(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(168, value);
        }
    }

    /**
     * @dev Returns the downcasted int160 from int256, reverting on
     * overflow (when the input is less than smallest int160 or
     * greater than largest int160).
     *
     * Counterpart to Solidity's `int160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toInt160(int256 value) internal pure returns (int160 downcasted) {
        downcasted = int160(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(160, value);
        }
    }

    /**
     * @dev Returns the downcasted int152 from int256, reverting on
     * overflow (when the input is less than smallest int152 or
     * greater than largest int152).
     *
     * Counterpart to Solidity's `int152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toInt152(int256 value) internal pure returns (int152 downcasted) {
        downcasted = int152(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(152, value);
        }
    }

    /**
     * @dev Returns the downcasted int144 from int256, reverting on
     * overflow (when the input is less than smallest int144 or
     * greater than largest int144).
     *
     * Counterpart to Solidity's `int144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toInt144(int256 value) internal pure returns (int144 downcasted) {
        downcasted = int144(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(144, value);
        }
    }

    /**
     * @dev Returns the downcasted int136 from int256, reverting on
     * overflow (when the input is less than smallest int136 or
     * greater than largest int136).
     *
     * Counterpart to Solidity's `int136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toInt136(int256 value) internal pure returns (int136 downcasted) {
        downcasted = int136(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(136, value);
        }
    }

    /**
     * @dev Returns the downcasted int128 from int256, reverting on
     * overflow (when the input is less than smallest int128 or
     * greater than largest int128).
     *
     * Counterpart to Solidity's `int128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toInt128(int256 value) internal pure returns (int128 downcasted) {
        downcasted = int128(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(128, value);
        }
    }

    /**
     * @dev Returns the downcasted int120 from int256, reverting on
     * overflow (when the input is less than smallest int120 or
     * greater than largest int120).
     *
     * Counterpart to Solidity's `int120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toInt120(int256 value) internal pure returns (int120 downcasted) {
        downcasted = int120(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(120, value);
        }
    }

    /**
     * @dev Returns the downcasted int112 from int256, reverting on
     * overflow (when the input is less than smallest int112 or
     * greater than largest int112).
     *
     * Counterpart to Solidity's `int112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toInt112(int256 value) internal pure returns (int112 downcasted) {
        downcasted = int112(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(112, value);
        }
    }

    /**
     * @dev Returns the downcasted int104 from int256, reverting on
     * overflow (when the input is less than smallest int104 or
     * greater than largest int104).
     *
     * Counterpart to Solidity's `int104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toInt104(int256 value) internal pure returns (int104 downcasted) {
        downcasted = int104(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(104, value);
        }
    }

    /**
     * @dev Returns the downcasted int96 from int256, reverting on
     * overflow (when the input is less than smallest int96 or
     * greater than largest int96).
     *
     * Counterpart to Solidity's `int96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toInt96(int256 value) internal pure returns (int96 downcasted) {
        downcasted = int96(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(96, value);
        }
    }

    /**
     * @dev Returns the downcasted int88 from int256, reverting on
     * overflow (when the input is less than smallest int88 or
     * greater than largest int88).
     *
     * Counterpart to Solidity's `int88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toInt88(int256 value) internal pure returns (int88 downcasted) {
        downcasted = int88(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(88, value);
        }
    }

    /**
     * @dev Returns the downcasted int80 from int256, reverting on
     * overflow (when the input is less than smallest int80 or
     * greater than largest int80).
     *
     * Counterpart to Solidity's `int80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toInt80(int256 value) internal pure returns (int80 downcasted) {
        downcasted = int80(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(80, value);
        }
    }

    /**
     * @dev Returns the downcasted int72 from int256, reverting on
     * overflow (when the input is less than smallest int72 or
     * greater than largest int72).
     *
     * Counterpart to Solidity's `int72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toInt72(int256 value) internal pure returns (int72 downcasted) {
        downcasted = int72(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(72, value);
        }
    }

    /**
     * @dev Returns the downcasted int64 from int256, reverting on
     * overflow (when the input is less than smallest int64 or
     * greater than largest int64).
     *
     * Counterpart to Solidity's `int64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toInt64(int256 value) internal pure returns (int64 downcasted) {
        downcasted = int64(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(64, value);
        }
    }

    /**
     * @dev Returns the downcasted int56 from int256, reverting on
     * overflow (when the input is less than smallest int56 or
     * greater than largest int56).
     *
     * Counterpart to Solidity's `int56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toInt56(int256 value) internal pure returns (int56 downcasted) {
        downcasted = int56(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(56, value);
        }
    }

    /**
     * @dev Returns the downcasted int48 from int256, reverting on
     * overflow (when the input is less than smallest int48 or
     * greater than largest int48).
     *
     * Counterpart to Solidity's `int48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toInt48(int256 value) internal pure returns (int48 downcasted) {
        downcasted = int48(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(48, value);
        }
    }

    /**
     * @dev Returns the downcasted int40 from int256, reverting on
     * overflow (when the input is less than smallest int40 or
     * greater than largest int40).
     *
     * Counterpart to Solidity's `int40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toInt40(int256 value) internal pure returns (int40 downcasted) {
        downcasted = int40(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(40, value);
        }
    }

    /**
     * @dev Returns the downcasted int32 from int256, reverting on
     * overflow (when the input is less than smallest int32 or
     * greater than largest int32).
     *
     * Counterpart to Solidity's `int32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toInt32(int256 value) internal pure returns (int32 downcasted) {
        downcasted = int32(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(32, value);
        }
    }

    /**
     * @dev Returns the downcasted int24 from int256, reverting on
     * overflow (when the input is less than smallest int24 or
     * greater than largest int24).
     *
     * Counterpart to Solidity's `int24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toInt24(int256 value) internal pure returns (int24 downcasted) {
        downcasted = int24(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(24, value);
        }
    }

    /**
     * @dev Returns the downcasted int16 from int256, reverting on
     * overflow (when the input is less than smallest int16 or
     * greater than largest int16).
     *
     * Counterpart to Solidity's `int16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toInt16(int256 value) internal pure returns (int16 downcasted) {
        downcasted = int16(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(16, value);
        }
    }

    /**
     * @dev Returns the downcasted int8 from int256, reverting on
     * overflow (when the input is less than smallest int8 or
     * greater than largest int8).
     *
     * Counterpart to Solidity's `int8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toInt8(int256 value) internal pure returns (int8 downcasted) {
        downcasted = int8(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(8, value);
        }
    }

    /**
     * @dev Converts an unsigned uint256 into a signed int256.
     *
     * Requirements:
     *
     * - input must be less than or equal to maxInt256.
     */
    function toInt256(uint256 value) internal pure returns (int256) {
        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
        if (value > uint256(type(int256).max)) {
            revert SafeCastOverflowedUintToInt(value);
        }
        return int256(value);
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

library Constants {
    /// @notice Flooring protocol
    /// @dev floor token amount of 1 NFT (with 18 decimals)
    uint256 public constant FLOOR_TOKEN_AMOUNT = 1_000_000 ether;
    /// @dev The minimum vip level required to use `proxy collection`
    uint8 public constant PROXY_COLLECTION_VIP_THRESHOLD = 3;

    /// @notice Rolling Bucket Constant Conf
    uint256 public constant BUCKET_SPAN_1 = 259199 seconds; // BUCKET_SPAN minus 1, used for rounding up
    uint256 public constant BUCKET_SPAN = 3 days;
    uint256 public constant MAX_LOCKING_BUCKET = 240;
    uint256 public constant MAX_LOCKING_PERIOD = 720 days; // MAX LOCKING BUCKET * BUCKET_SPAN

    /// @notice Auction Config
    uint256 public constant FREE_AUCTION_PERIOD = 24 hours;
    uint256 public constant AUCTION_INITIAL_PERIODS = 24 hours;
    uint256 public constant AUCTION_COMPLETE_GRACE_PERIODS = 2 days;
    /// @dev admin fee charged per NFT when someone starts aution on expired safebox
    uint256 public constant AUCTION_ON_EXPIRED_SAFEBOX_COST = 0;
    /// @dev admin fee charged per NFT when owner starts aution on himself safebox
    uint256 public constant AUCTION_COST = 100 ether;

    /// @notice Raffle Config
    uint256 public constant RAFFLE_COST = 500 ether;
    uint256 public constant RAFFLE_COMPLETE_GRACE_PERIODS = 2 days;

    /// @notice Private offer Config
    uint256 public constant PRIVATE_OFFER_DURATION = 24 hours;
    uint256 public constant PRIVATE_OFFER_COMPLETE_GRACE_DURATION = 2 days;
    uint256 public constant PRIVATE_OFFER_COST = 0;

    uint256 public constant ADD_FREE_NFT_REWARD = 0;

    /// @notice Lock/Unlock config
    uint256 public constant USER_SAFEBOX_QUOTA_REFRESH_DURATION = 1 days;
    uint256 public constant USER_REDEMPTION_WAIVER_REFRESH_DURATION = 1 days;
    /// @notice The max percentage of the collection that one user can lock
    uint256 public constant USER_COLLECTION_LOCKED_BOUND_PCT = 50;
    /// @notice The max locking ratio of the collection that the NFTs in the vault can be redeemed
    uint256 public constant VAULT_REDEMPTION_MAX_LOKING_RATIO = 80;
    uint256 public constant VAULT_QUOTA_RESET_PERIOD = 3 days;

    /// @notice Activities Fee Rate

    /// @notice Fee rate used to distribute funds that collected from Auctions on expired safeboxes.
    /// these auction would be settled using credit token
    uint256 public constant FREE_AUCTION_FEE_RATE_BIPS = 2000; // 20%

    uint256 public constant VIP_LEVEL_COUNT = 8;

    struct AuctionBidOption {
        uint256 extendDurationSecs;
        uint256 minimumRaisePct;
        uint256 vipLevel;
    }

    function getVipLockingBuckets(uint256 vipLevel) internal pure returns (uint256 buckets) {
        require(vipLevel < VIP_LEVEL_COUNT);
        assembly {
            switch vipLevel
            case 1 { buckets := 1 }
            case 2 { buckets := 5 }
            case 3 { buckets := 20 }
            case 4 { buckets := 60 }
            case 5 { buckets := 120 }
            case 6 { buckets := 180 }
            case 7 { buckets := MAX_LOCKING_BUCKET }
        }
    }

    function getVipLevel(uint256 totalCredit) internal pure returns (uint8) {
        if (totalCredit < 30_000 ether) {
            return 0;
        } else if (totalCredit < 100_000 ether) {
            return 1;
        } else if (totalCredit < 300_000 ether) {
            return 2;
        } else if (totalCredit < 1_000_000 ether) {
            return 3;
        } else if (totalCredit < 3_000_000 ether) {
            return 4;
        } else if (totalCredit < 10_000_000 ether) {
            return 5;
        } else if (totalCredit < 30_000_000 ether) {
            return 6;
        } else {
            return 7;
        }
    }

    function getVipBalanceRequirements(uint256 vipLevel) internal pure returns (uint256 required) {
        require(vipLevel < VIP_LEVEL_COUNT);

        assembly {
            switch vipLevel
            case 1 { required := 30000 }
            case 2 { required := 100000 }
            case 3 { required := 300000 }
            case 4 { required := 1000000 }
            case 5 { required := 3000000 }
            case 6 { required := 10000000 }
            case 7 { required := 30000000 }
        }

        /// credit token should be scaled with 18 decimals(1 ether == 10**18)
        unchecked {
            return required * 1 ether;
        }
    }

    function getBidOption(uint256 idx) internal pure returns (AuctionBidOption memory) {
        require(idx < 4);
        AuctionBidOption[4] memory bidOptions = [
            AuctionBidOption({extendDurationSecs: 5 minutes, minimumRaisePct: 1, vipLevel: 0}),
            AuctionBidOption({extendDurationSecs: 8 hours, minimumRaisePct: 10, vipLevel: 3}),
            AuctionBidOption({extendDurationSecs: 16 hours, minimumRaisePct: 20, vipLevel: 5}),
            AuctionBidOption({extendDurationSecs: 24 hours, minimumRaisePct: 40, vipLevel: 7})
        ];
        return bidOptions[idx];
    }

    function raffleDurations(uint256 idx) internal pure returns (uint256 vipLevel, uint256 duration) {
        require(idx < 6);

        vipLevel = idx;
        assembly {
            switch idx
            case 1 { duration := 1 }
            case 2 { duration := 2 }
            case 3 { duration := 3 }
            case 4 { duration := 5 }
            case 5 { duration := 7 }
        }
        unchecked {
            duration *= 1 days;
        }
    }

    /// return locking ratio restrictions indicates that the vipLevel can utility infinite lock NFTs at corresponding ratio
    function getLockingRatioForInfinite(uint8 vipLevel) internal pure returns (uint256 ratio) {
        assembly {
            switch vipLevel
            case 1 { ratio := 0 }
            case 2 { ratio := 0 }
            case 3 { ratio := 20 }
            case 4 { ratio := 30 }
            case 5 { ratio := 40 }
            case 6 { ratio := 50 }
            case 7 { ratio := 80 }
        }
    }

    /// return locking ratio restrictions indicates that the vipLevel can utility safebox to lock NFTs at corresponding ratio
    function getLockingRatioForSafebox(uint8 vipLevel) internal pure returns (uint256 ratio) {
        assembly {
            switch vipLevel
            case 1 { ratio := 10 }
            case 2 { ratio := 20 }
            case 3 { ratio := 30 }
            case 4 { ratio := 40 }
            case 5 { ratio := 50 }
            case 6 { ratio := 60 }
            case 7 { ratio := 70 }
        }
    }

    function getRequiredStakingWithSelfRatio(uint256 requiredStaking, uint256 selfRatio)
        internal
        pure
        returns (uint256)
    {
        if (selfRatio < 10) {
            return requiredStaking;
        }

        return (selfRatio + 1) * requiredStaking / 10;
    }

    function getVipRequiredStakingWithDiscount(uint256 requiredStaking, uint8 vipLevel)
        internal
        pure
        returns (uint256)
    {
        if (vipLevel < 3) {
            return requiredStaking;
        }
        unchecked {
            /// the higher vip level, more discount for staking
            ///  discount range: 5% - 25%
            return requiredStaking * (100 - (vipLevel - 2) * 5) / 100;
        }
    }

    function getRequiredStakingForLockRatio(uint256 locked, uint256 totalManaged) internal pure returns (uint256) {
        if (totalManaged <= 0) {
            return 1200 ether;
        }

        unchecked {
            uint256 lockingRatioPct = locked * 100 / totalManaged;
            if (lockingRatioPct <= 40) {
                return 1200 ether;
            } else if (lockingRatioPct < 60) {
                return 1320 ether + ((lockingRatioPct - 40) >> 1) * 120 ether;
            } else if (lockingRatioPct < 70) {
                return 2640 ether + ((lockingRatioPct - 60) >> 1) * 240 ether;
            } else if (lockingRatioPct < 80) {
                return 4080 ether + ((lockingRatioPct - 70) >> 1) * 480 ether;
            } else if (lockingRatioPct < 90) {
                return 6960 ether + ((lockingRatioPct - 80) >> 1) * 960 ether;
            } else if (lockingRatioPct < 100) {
                /// 108000 * 2^x
                return (108000 ether << ((lockingRatioPct - 90) >> 1)) / 5;
            } else {
                return 345600 ether;
            }
        }
    }

    function getVaultAuctionDurationAtLR(uint256 lockingRatio) internal pure returns (uint256) {
        if (lockingRatio < 80) return 1 hours;
        else if (lockingRatio < 85) return 3 hours;
        else if (lockingRatio < 90) return 6 hours;
        else if (lockingRatio < 95) return 12 hours;
        else return 24 hours;
    }

    function getSafeboxPeriodQuota(uint8 vipLevel) internal pure returns (uint16 quota) {
        assembly {
            switch vipLevel
            case 0 { quota := 0 }
            case 1 { quota := 1 }
            case 2 { quota := 2 }
            case 3 { quota := 4 }
            case 4 { quota := 8 }
            case 5 { quota := 16 }
            case 6 { quota := 32 }
            case 7 { quota := 64 }
        }
    }

    function getSafeboxUserQuota(uint8 vipLevel) internal pure returns (uint16 quota) {
        assembly {
            switch vipLevel
            case 0 { quota := 0 }
            case 1 { quota := 4 }
            case 2 { quota := 8 }
            case 3 { quota := 16 }
            case 4 { quota := 32 }
            case 5 { quota := 64 }
            case 6 { quota := 128 }
            case 7 { quota := 256 }
        }
    }

    function getVaultContQuotaAtLR(uint256 lockingRatio) internal pure returns (uint32 contQuota) {
        if (lockingRatio <= 70) {
            return 1;
        } else if (lockingRatio <= 80) {
            return 2;
        } else if (lockingRatio <= 90) {
            return 4;
        } else {
            return 8;
        }
    }

    /// two options to redeem from vault
    /// pay fee with fragment token or consume quota
    function getVaultFeeAtLR(uint256 lockingRatio) internal pure returns (uint256 fee, uint32 quota) {
        if (lockingRatio <= 50) {
            return (20000 ether, 1);
        } else if (lockingRatio <= 60) {
            return (40000 ether, 2);
        } else if (lockingRatio <= 70) {
            return (60000 ether, 4);
        } else if (lockingRatio <= 80) {
            return (80000 ether, 8);
        } else {
            /// note. above 80, can not redeem from the vault
            return (100000 ether, 10);
        }
    }

    /// @return protocol fee after discount
    function getListingProtocolFeeWithDiscount(uint256 protocolFee, uint8 vipLevel) internal pure returns (uint256) {
        if (vipLevel < 3) {
            return protocolFee;
        }
        unchecked {
            /// the higher vip level, more discount for protocol fee
            ///  discount range: 5% - 25%
            return protocolFee * (100 - (vipLevel - 2) * 5) / 100;
        }
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

library Errors {
    /// @notice Safe Box error
    error SafeBoxHasExpire();
    error SafeBoxNotExist();
    error SafeBoxHasNotExpire();
    error SafeBoxAlreadyExist();
    error NoMatchingSafeBoxKey();
    error SafeBoxKeyAlreadyExist();

    /// @notice Auction error
    error AuctionHasNotCompleted();
    error AuctionHasExpire();
    error AuctionBidIsNotHighEnough();
    error AuctionBidTokenMismatch();
    error AuctionSelfBid();
    error AuctionInvalidBidAmount();
    error AuctionNotExist();
    error SafeBoxAuctionWindowHasPassed();

    /// @notice Activity common error
    error NftHasActiveActivities();
    error ActivityHasNotCompleted();
    error ActivityHasExpired();
    error ActivityNotExist();

    /// @notice User account error
    error InsufficientCredit();
    error InsufficientBalanceForVipLevel();
    error NoPrivilege();

    /// @notice Parameter error
    error InvalidParam();
    error NftCollectionNotSupported();
    error NftCollectionAlreadySupported();
    error ClaimableNftInsufficient();
    error TokenNotSupported();
    error PeriodQuotaExhausted();
    error UserQuotaExhausted();
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

import "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
import "./IMulticall.sol";

interface IFlooring is IERC721Receiver, IMulticall {
    /// Admin Operations

    /// @notice Add new collection for Flooring Protocol
    function supportNewCollection(address _originalNFT, address fragmentToken) external payable;

    /// @notice Add new token which will be used as settlement token in Flooring Protocol
    /// @param addOrRemove `true` means add token, `false` means remove token
    function supportNewToken(address _tokenAddress, bool addOrRemove) external payable;

    /// @notice set proxy collection config
    /// Note. the `tokenId`s of the proxy collection and underlying collection must be correspond one by one
    /// eg. Paraspace Derivative Token BAYC(nBAYC) -> BAYC
    function setCollectionProxy(address proxyCollection, address underlyingCollection) external payable;

    /// @notice withdraw platform fee accumulated.
    /// Note. withdraw from `address(this)`'s account.
    function withdrawPlatformFee(address token, uint256 amount) external payable;

    /// @notice Deposit and lock credit token on behalf of receiver
    /// user can not withdraw these tokens until `unlockCredit` is called.
    function addAndLockCredit(address receiver, uint256 amount) external payable;

    /// @notice Unlock user credit token to allow withdraw
    /// used to release investors' funds as time goes
    /// Note. locked credit can be used to operate safeboxes(lock/unlock...)
    function unlockCredit(address receiver, uint256 amount) external payable;

    /// User Operations

    /// @notice User deposits token to the Floor Contract
    /// @param onBehalfOf deposit token into `onBehalfOf`'s account.(note. the tokens of msg.sender will be transfered)
    function addTokens(address onBehalfOf, address token, uint256 amount) external payable;

    /// @notice User removes token from Floor Contract
    /// @param receiver who will receive the funds.(note. the token of msg.sender will be transfered)
    function removeTokens(address token, uint256 amount, address receiver) external;

    /// @notice Lock specified `nftIds` into Flooring Safeboxes and receive corresponding Fragment Tokens of the `collection`
    /// @param expiryTs when the safeboxes expired, `0` means infinite lock without expiry
    /// @param vipLevel vip tier required in this lock operation
    /// @param maxCredit maximum credit can be locked in this operation, if real cost exceeds this limit, the tx will fail
    /// @param onBehalfOf who will receive the safebox and fragment tokens.(note. the NFTs of the msg.sender will be transfered)
    function lockNFTs(
        address collection,
        uint256[] memory nftIds,
        uint256 expiryTs,
        uint256 vipLevel,
        uint256 maxCredit,
        address onBehalfOf
    ) external returns (uint256);

    /// @notice Extend the exist safeboxes with longer lock duration with more credit token staked
    /// @param expiryTs new expiry timestamp, should bigger than previous expiry
    function extendKeys(
        address collection,
        uint256[] memory nftIds,
        uint256 expiryTs,
        uint256 vipLevel,
        uint256 maxCredit
    ) external returns (uint256);

    /// @notice Unlock specified `nftIds` which had been locked previously
    ///         sender's wallet should have enough Fragment Tokens of the `collection` which will be burned to redeem the NFTs
    /// @param expiryTs the latest nft's expiry, we need this to clear locking records
    ///                 if the value smaller than the latest nft's expiry, the tx will fail
    ///                 if part of `nftIds` were locked infinitely, just skip these expiry
    /// @param receiver who will receive the NFTs.
    ///                 note. - The safeboxes of the msg.sender will be removed.
    ///                       - The Fragment Tokens of the msg.sender will be burned.
    function unlockNFTs(address collection, uint256 expiryTs, uint256[] memory nftIds, address receiver) external;

    /// @notice Fragment specified `nftIds` into Floor Vault and receive Fragment Tokens without any locking
    ///         after fragmented, any one has enough Fragment Tokens can redeem there `nftIds`
    /// @param onBehalfOf who will receive the fragment tokens and the vault contribution quota.(note. the NFTs of the msg.sender will be transfered)
    ///                   if onBehalfOf == address(this), it means msg.sender intends to swap the same quantity of NFTs from the vault as the `nftIds`
    function fragmentNFTs(address collection, uint256[] memory nftIds, address onBehalfOf) external;

    /// @notice Kick expired safeboxes to the vault
    function tidyExpiredNFTs(address collection, uint256[] memory nftIds) external;

    /// @notice Randomly claim `claimCnt` NFTs from Floor Vault
    ///         sender's wallet should have enough Fragment Tokens of the `collection` which will be burned to redeem the NFTs
    /// @param maxCredit maximum credit can be costed in this operation, if real cost exceeds this limit, the tx will fail
    /// @param receiver who will receive the NFTs.
    ///                 note. - the msg.sender will pay the redemption cost.
    ///                       - The Fragment Tokens of the msg.sender will be burned.
    function claimRandomNFT(address collection, uint256 claimCnt, uint256 maxCredit, address receiver)
        external
        returns (uint256);

    /// @notice Start auctions on specified `nftIds` with an initial bid price(`bidAmount`)
    ///         This kind of auctions will be settled with Floor Credit Token
    /// @param bidAmount initial bid price
    function initAuctionOnExpiredSafeBoxes(
        address collection,
        uint256[] memory nftIds,
        address bidToken,
        uint256 bidAmount
    ) external;

    /// @notice Start auctions on specified `nftIds` index in the vault with an initial bid price(`bidAmount`)
    ///         This kind of auctions will be settled with Fragment Token of the collection
    /// @param bidAmount initial bid price
    function initAuctionOnVault(address collection, uint256[] memory vaultIdx, address bidToken, uint96 bidAmount)
        external;

    /// @notice Owner starts auctions on his locked Safeboxes
    /// @param maxExpiry the latest nft's expiry, we need this to clear locking records
    /// @param token which token should be used to settle auctions(bid, settle)
    /// @param minimumBid minimum bid price when someone place a bid on the auction
    function ownerInitAuctions(
        address collection,
        uint256[] memory nftIds,
        uint256 maxExpiry,
        address token,
        uint256 minimumBid
    ) external;

    /// @notice Place a bid on specified `nftId`'s action
    /// @param bidAmount bid price
    /// @param bidOptionIdx which option used to extend auction expiry and bid price
    function placeBidOnAuction(address collection, uint256 nftId, uint256 bidAmount, uint256 bidOptionIdx)
        external
        payable;

    /// @notice Settle auctions of `nftIds`
    function settleAuctions(address collection, uint256[] memory nftIds) external;

    struct RaffleInitParam {
        address collection;
        uint256[] nftIds;
        /// @notice which token used to buy and settle raffle
        address ticketToken;
        /// @notice price per ticket
        uint96 ticketPrice;
        /// @notice max tickets amount can be sold
        uint32 maxTickets;
        /// @notice durationIdx used to get how long does raffles last
        uint256 duration;
        /// @notice the largest epxiry of nfts, we need this to clear locking records
        uint256 maxExpiry;
    }

    /// @notice Owner start raffles on locked `nftIds`
    function ownerInitRaffles(RaffleInitParam memory param) external;

    /// @notice Buy `nftId`'s raffle tickets
    /// @param ticketCnt how many tickets should be bought in this operation
    function buyRaffleTickets(address collectionId, uint256 nftId, uint256 ticketCnt) external payable;

    /// @notice Settle raffles of `nftIds`
    function settleRaffles(address collectionId, uint256[] memory nftIds) external;

    struct PrivateOfferInitParam {
        address collection;
        uint256[] nftIds;
        /// @notice the largest epxiry of nfts, we need this to clear locking records
        uint256 maxExpiry;
        /// @notice who will receive the otc offers
        address receiver;
        /// @notice which token used to settle offers
        address token;
        /// @notice price of the offers
        uint96 price;
    }

    /// @notice Owner start private offers(otc) on locked `nftIds`
    function ownerInitPrivateOffers(PrivateOfferInitParam memory param) external;

    enum OfferOpType {
        Cancel,
        Decline,
        ChangePrice
    }

    struct ChangeOfferPriceData {
        uint96[] priceList;
    }

    /// @notice Owner or Receiver cancel the private offers of `nftIds`
    function modifyOffers(address collectionId, uint256[] memory nftIds, OfferOpType opTy, bytes calldata data)
        external;

    /// @notice Receiver accept the private offers of `nftIds`
    function buyerAcceptPrivateOffers(address collectionId, uint256[] memory nftIds, uint256 maxSafeboxExpiry)
        external
        payable;

    /// @notice Clear expired or mismatching safeboxes of `nftIds` in user account
    /// @param onBehalfOf whose account will be recalculated
    /// @return credit amount has been released
    function removeExpiredKeyAndRestoreCredit(
        address collection,
        uint256[] memory nftIds,
        address onBehalfOf,
        bool verifyLocking
    ) external returns (uint256);

    /// @notice Update user's staking credit status by iterating all active collections in user account
    /// @param onBehalfOf whose account will be recalculated
    /// @return availableCredit how many credit available to use after this opeartion
    function recalculateAvailableCredit(address onBehalfOf) external returns (uint256 availableCredit);

    /// Util operations

    /// @notice Called by external contracts to access granular pool state
    /// @param slot Key of slot to sload
    /// @return value The value of the slot as bytes32
    function extsload(bytes32 slot) external view returns (bytes32 value);

    /// @notice Called by external contracts to access granular pool state
    /// @param slot Key of slot to start sloading from
    /// @param nSlots Number of slots to load into return value
    /// @return value The value of the sload-ed slots concatenated as dynamic bytes
    function extsload(bytes32 slot, uint256 nSlots) external view returns (bytes memory value);

    function creditToken() external view returns (address);
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

interface IFragmentToken {
    error CallerIsNotTrustedContract();

    function mint(address account, uint256 amount) external;

    function burn(address account, uint256 amount) external;
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

/// @title Multicall interface
/// @notice Enables calling multiple methods in a single call to the contract
interface IMulticall {
    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedMulticall();

    struct CallData {
        address target;
        bytes callData;
    }

    /// @notice Call multiple functions in the current contract and return the data from all of them if they all succeed
    /// @param data The encoded function data for each of the calls to make to this contract
    /// @return results The results from each of the calls passed in via data
    function multicall(bytes[] calldata data) external returns (bytes[] memory results);

    /// @notice Allow trusted caller to call specified addresses through the Contract
    /// @dev The `msg.value` should not be trusted for any method callable from multicall.
    /// @param calls The encoded function data and target for each of the calls to make to this contract
    /// @return results The results from each of the calls passed in via calls
    function extMulticall(CallData[] calldata calls) external returns (bytes[] memory);
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

library Array {
    /// @notice Compress `data` to [Length]:{[BytesLength][val...]}
    /// eg. [0, 255, 256] will be convert to bytes series: 0x03 0x00 0x01 0xFF 0x02 0x00 0x01
    /// 0x03 means there are 3 numbers
    /// 0x00 means first number is 0
    /// 0x01 means next number(255) has 1 byte to store the real value
    /// 0xFF equals 255
    /// 256 need 2 bytes(0x02) to store, and its value represented in hex is 0x0100
    function encodeUints(uint256[] memory data) internal pure returns (bytes memory res) {
        uint256 dataLen = data.length;

        require(dataLen <= type(uint8).max);

        unchecked {
            uint256 totalBytes;
            for (uint256 i; i < dataLen; ++i) {
                uint256 val = data[i];
                while (val > 0) {
                    val >>= 8;
                    ++totalBytes;
                }
            }

            res = new bytes(dataLen + totalBytes + 1);
            assembly {
                /// skip res's length, store data length
                mstore8(add(res, 0x20), dataLen)
            }

            /// start from the second element idx
            uint256 resIdx = 0x21;
            for (uint256 i; i < dataLen; ++i) {
                uint256 val = data[i];

                uint256 byteLen;
                while (val > 0) {
                    val >>= 8;
                    ++byteLen;
                }

                assembly {
                    /// store bytes length of the `i`th element
                    mstore8(add(res, resIdx), byteLen)
                }
                ++resIdx;

                val = data[i];
                for (uint256 j; j < byteLen; ++j) {
                    assembly {
                        mstore8(add(res, resIdx), val)
                    }
                    val >>= 8;
                    ++resIdx;
                }
            }
        }
    }

    function decodeUints(bytes memory data) internal pure returns (uint256[] memory res) {
        uint256 dataLen = data.length;
        require(dataLen > 0);

        res = new uint256[](uint8(data[0]));
        uint256 k;

        unchecked {
            for (uint256 i = 1; i < dataLen; ++i) {
                uint256 byteLen = uint8(data[i]);
                /// if byteLen is zero, it means current element is zero, no need to update `res`, just increment `k`
                if (byteLen > 0) {
                    uint256 tmp;
                    /// combine next `byteLen` bytes to `tmp`
                    for (uint256 j; j < byteLen; ++j) {
                        /// skip `byteLen`
                        ++i;

                        tmp |= ((uint256(uint8(data[i]))) << (j * 8));
                    }
                    res[k] = tmp;
                }

                ++k;
            }
        }
    }

    function slice(uint256[] memory data, uint256 start, uint256 length) internal pure returns (uint256[] memory res) {
        require(start + length <= data.length);

        res = new uint256[](length);

        unchecked {
            start *= 0x20;
            length *= 0x20;
        }

        for (uint256 i = 0x20; i <= length;) {
            assembly {
                mstore(add(res, i), mload(add(data, add(i, start))))
            }

            unchecked {
                i += 0x20;
            }
        }
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

library CurrencyTransfer {
    /// @notice Thrown when an ERC20 transfer fails
    error ERC20TransferFailed();
    /// @notice Thrown when an NATIVE transfer fails
    error NativeTransferFailed();

    address public constant NATIVE = address(0);

    function safeTransfer(address token, address to, uint256 amount) internal {
        // ref
        // https://docs.soliditylang.org/en/latest/internals/layout_in_memory.html
        // implementation from
        // https://github.com/transmissions11/solmate/blob/v7/src/utils/SafeTransferLib.sol
        // https://github.com/Uniswap/v4-core/blob/main/contracts/types/Currency.sol
        bool success;

        if (token == NATIVE) {
            assembly {
                // Transfer the ETH and store if it succeeded or not.
                success := call(gas(), to, amount, 0, 0, 0, 0)
            }

            if (!success) revert NativeTransferFailed();
        } else {
            /// @solidity memory-safe-assembly
            assembly {
                // We'll write our calldata to this slot below, but restore it later.
                let memPointer := mload(0x40)

                // Write the abi-encoded calldata into memory, beginning with the function selector.
                mstore(0, 0xa9059cbb00000000000000000000000000000000000000000000000000000000)
                mstore(4, to) // Append the "to" argument.
                mstore(36, amount) // Append the "amount" argument.

                success :=
                    and(
                        // Set success to whether the call reverted, if not we check it either
                        // returned exactly 1 (can't just be non-zero data), or had no return data.
                        or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                        // We use 68 because that's the total length of our calldata (4 + 32 * 2)
                        // Counterintuitively, this call() must be positioned after the or() in the
                        // surrounding and() because and() evaluates its arguments from right to left.
                        call(gas(), token, 0, 0, 68, 0, 32)
                    )

                mstore(0x60, 0) // Restore the zero slot to zero.
                mstore(0x40, memPointer) // Restore the memPointer.
            }
            if (!success) revert ERC20TransferFailed();
        }
    }

    function safeTransferFrom(address token, address from, address to, uint256 amount) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let memPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(0, 0x23b872dd00000000000000000000000000000000000000000000000000000000)
            mstore(4, from) // Append and mask the "from" argument.
            mstore(36, to) // Append and mask the "to" argument.
            // Append the "amount" argument. Masking not required as it's a full 32 byte type.
            mstore(68, amount)

            success :=
                and(
                    // Set success to whether the call reverted, if not we check it either
                    // returned exactly 1 (can't just be non-zero data), or had no return data.
                    or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                    // We use 100 because the length of our calldata totals up like so: 4 + 32 * 3.
                    // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                    // Counterintuitively, this call must be positioned second to the or() call in the
                    // surrounding and() call or else returndatasize() will be zero during the computation.
                    call(gas(), token, 0, 0, 100, 0, 32)
                )

            mstore(0x60, 0) // Restore the zero slot to zero.
            mstore(0x40, memPointer) // Restore the memPointer.
        }

        if (!success) revert ERC20TransferFailed();
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

library ERC721Transfer {
    /// @notice Thrown when an ERC721 transfer fails
    error ERC721TransferFailed();

    function safeTransferFrom(address collection, address from, address to, uint256 tokenId) internal {
        bool success;

        /// @solidity memory-safe-assembly
        assembly {
            // Get a pointer to some free memory.
            let memPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(0, 0x42842e0e00000000000000000000000000000000000000000000000000000000)
            mstore(4, from) // Append and mask the "from" argument.
            mstore(36, to) // Append and mask the "to" argument.
            // Append the "tokenId" argument. Masking not required as it's a full 32 byte type.
            mstore(68, tokenId)

            success :=
                and(
                    // Set success to whether the call reverted, if not we check it either
                    // returned exactly 1 (can't just be non-zero data), or had no return data.
                    or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                    // We use 100 because the length of our calldata totals up like so: 4 + 32 * 3.
                    // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                    // Counterintuitively, this call must be positioned second to the or() call in the
                    // surrounding and() call or else returndatasize() will be zero during the computation.
                    call(gas(), collection, 0, 0, 100, 0, 32)
                )

            mstore(0x60, 0) // Restore the zero slot to zero.
            mstore(0x40, memPointer) // Restore the memPointer.
        }

        if (!success) revert ERC721TransferFailed();
    }

    function safeBatchTransferFrom(address collection, address from, address to, uint256[] memory tokenIds) internal {
        unchecked {
            uint256 len = tokenIds.length;
            for (uint256 i; i < len; ++i) {
                safeTransferFrom(collection, from, to, tokenIds[i]);
            }
        }
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

import "../Constants.sol";

library RollingBuckets {
    error BucketValueExceedsLimit();
    error BucketLengthExceedsLimit();

    /// @dev `MAX_BUCKET_SIZE` must be a multiple of `WORD_ELEMENT_SIZE`,
    /// otherwise some words may be incomplete which may lead to incorrect bit positioning.
    uint256 constant MAX_BUCKET_SIZE = Constants.MAX_LOCKING_BUCKET;
    /// @dev each `ELEMENT_BIT_SIZE` bits stores an element
    uint256 constant ELEMENT_BIT_SIZE = 24;
    /// @dev `ELEMENT_BIT_SIZE` bits mask
    uint256 constant MASK = 0xFFFFFF;
    /// @dev one word(256 bits) can store (256 // ELEMENT_BIT_SIZE) elements
    uint256 constant WORD_ELEMENT_SIZE = 10;

    function position(uint256 tick) private pure returns (uint256 wordPos, uint256 bitPos) {
        unchecked {
            wordPos = tick / WORD_ELEMENT_SIZE;
            bitPos = tick % WORD_ELEMENT_SIZE;
        }
    }

    function get(mapping(uint256 => uint256) storage buckets, uint256 bucketStamp) internal view returns (uint256) {
        unchecked {
            (uint256 wordPos, uint256 bitPos) = position(bucketStamp % MAX_BUCKET_SIZE);
            return (buckets[wordPos] >> (bitPos * ELEMENT_BIT_SIZE)) & MASK;
        }
    }

    /// [first, last)
    function batchGet(mapping(uint256 => uint256) storage buckets, uint256 firstStamp, uint256 lastStamp)
        internal
        view
        returns (uint256[] memory)
    {
        if (firstStamp > lastStamp) revert BucketLengthExceedsLimit();

        uint256 len;
        unchecked {
            len = lastStamp - firstStamp;
        }

        if (len > MAX_BUCKET_SIZE) {
            revert BucketLengthExceedsLimit();
        }

        uint256[] memory result = new uint256[](len);
        uint256 resultIndex;

        unchecked {
            (uint256 wordPos, uint256 bitPos) = position(firstStamp % MAX_BUCKET_SIZE);

            uint256 wordVal = buckets[wordPos];
            uint256 mask = MASK << (bitPos * ELEMENT_BIT_SIZE);

            for (uint256 i = firstStamp; i < lastStamp;) {
                assembly {
                    /// increase idx firstly to skip `array length`
                    resultIndex := add(resultIndex, 0x20)
                    /// wordVal store order starts from lowest bit
                    /// result[i] = ((wordVal & mask) >> (bitPos * ELEMENT_BIT_SIZE))
                    mstore(add(result, resultIndex), shr(mul(bitPos, ELEMENT_BIT_SIZE), and(wordVal, mask)))
                    mask := shl(ELEMENT_BIT_SIZE, mask)
                    bitPos := add(bitPos, 1)
                    i := add(i, 1)
                }

                if (bitPos == WORD_ELEMENT_SIZE) {
                    (wordPos, bitPos) = position(i % MAX_BUCKET_SIZE);

                    wordVal = buckets[wordPos];
                    mask = MASK;
                }
            }
        }

        return result;
    }

    function set(mapping(uint256 => uint256) storage buckets, uint256 bucketStamp, uint256 value) internal {
        if (value > MASK) revert BucketValueExceedsLimit();

        unchecked {
            (uint256 wordPos, uint256 bitPos) = position(bucketStamp % MAX_BUCKET_SIZE);

            uint256 wordValue = buckets[wordPos];
            uint256 newValue = value << (bitPos * ELEMENT_BIT_SIZE);

            uint256 newWord = (wordValue & ~(MASK << (bitPos * ELEMENT_BIT_SIZE))) | newValue;
            buckets[wordPos] = newWord;
        }
    }

    function batchSet(mapping(uint256 => uint256) storage buckets, uint256 firstStamp, uint256[] memory values)
        internal
    {
        uint256 valLength = values.length;
        if (valLength > MAX_BUCKET_SIZE) revert BucketLengthExceedsLimit();
        if (firstStamp > (type(uint256).max - valLength)) {
            revert BucketLengthExceedsLimit();
        }

        unchecked {
            (uint256 wordPos, uint256 bitPos) = position(firstStamp % MAX_BUCKET_SIZE);

            uint256 wordValue = buckets[wordPos];
            uint256 mask = ~(MASK << (bitPos * ELEMENT_BIT_SIZE));

            /// reuse val length as End Postion
            valLength = (valLength + 1) * 0x20;
            /// start from first element offset
            for (uint256 i = 0x20; i < valLength; i += 0x20) {
                uint256 val;
                assembly {
                    val := mload(add(values, i))
                }
                if (val > MASK) revert BucketValueExceedsLimit();

                assembly {
                    /// newVal = val << (bitPos * BIT_SIZE)
                    let newVal := shl(mul(bitPos, ELEMENT_BIT_SIZE), val)
                    /// save newVal to wordVal, clear corresponding bits and set them as newVal
                    /// wordValue = (wordVal & mask) | newVal
                    wordValue := or(and(wordValue, mask), newVal)
                    /// goto next number idx in current word
                    bitPos := add(bitPos, 1)
                    /// mask = ~(MASK << (bitPos, BIT_SIZE))
                    mask := not(shl(mul(bitPos, ELEMENT_BIT_SIZE), MASK))
                }

                if (bitPos == WORD_ELEMENT_SIZE) {
                    /// store hole word
                    buckets[wordPos] = wordValue;

                    /// get next word' position
                    (wordPos, bitPos) = position((firstStamp + (i / 0x20)) % MAX_BUCKET_SIZE);
                    wordValue = buckets[wordPos];
                    /// restore mask to make it start from lowest bits
                    mask = ~MASK;
                }
            }
            /// store last word which may incomplete
            buckets[wordPos] = wordValue;
        }
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

import "@openzeppelin/contracts/utils/math/Math.sol";
import "@openzeppelin/contracts/utils/math/SafeCast.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";

import "../library/RollingBuckets.sol";
import "../library/ERC721Transfer.sol";
import "../library/Array.sol";

import "../Errors.sol";
import "../Constants.sol";
import "./User.sol";
import "./Helper.sol";
import "./Structs.sol";
import {SafeBoxLib} from "./SafeBox.sol";

import "../interface/IFlooring.sol";

library CollectionLib {
    using SafeBoxLib for SafeBox;
    using SafeCast for uint256;
    using RollingBuckets for mapping(uint256 => uint256);
    using UserLib for CollectionAccount;
    using UserLib for UserFloorAccount;

    event LockNft(
        address indexed sender,
        address indexed onBehalfOf,
        address indexed collection,
        uint256[] tokenIds,
        uint256[] safeBoxKeys,
        uint256 safeBoxExpiryTs,
        uint256 minMaintCredit,
        address proxyCollection
    );
    event ExtendKey(
        address indexed operator,
        address indexed collection,
        uint256[] tokenIds,
        uint256[] safeBoxKeys,
        uint256 safeBoxExpiryTs,
        uint256 minMaintCredit
    );
    event UnlockNft(
        address indexed operator,
        address indexed receiver,
        address indexed collection,
        uint256[] tokenIds,
        address proxyCollection
    );
    event RemoveExpiredKey(
        address indexed operator,
        address indexed onBehalfOf,
        address indexed collection,
        uint256[] tokenIds,
        uint256[] safeBoxKeys
    );
    event ExpiredNftToVault(address indexed operator, address indexed collection, uint256[] tokenIds);
    event FragmentNft(
        address indexed operator, address indexed onBehalfOf, address indexed collection, uint256[] tokenIds
    );
    event ClaimRandomNft(
        address indexed operator,
        address indexed receiver,
        address indexed collection,
        uint256[] tokenIds,
        uint256 creditCost
    );

    function fragmentNFTs(
        CollectionState storage collectionState,
        UserFloorAccount storage account,
        address collection,
        uint256[] memory nftIds,
        address onBehalfOf
    ) public {
        uint256 nftLen = nftIds.length;

        /// tricky logic: if `onBehalfOf` is the contract, shaffle the correspounding amount of NFTs
        bool shuffle = onBehalfOf == address(this);

        uint256[] memory pickedTokenIds;
        if (shuffle) {
            uint256 vaultCnt = collectionState.freeTokenIds.length;
            /// no enough nft to shuffle
            if (nftLen > vaultCnt) revert Errors.ClaimableNftInsufficient();

            (pickedTokenIds,) = pickRandomFromVault(
                collectionState, vaultCnt, vaultCnt + collectionState.activeSafeBoxCnt, nftLen, true
            );
        }

        /// after shuffling, supply new NFTs to vault
        uint32 contQuota;
        for (uint256 i; i < nftLen;) {
            collectionState.freeTokenIds.push(nftIds[i]);

            if (!shuffle) {
                contQuota += Constants.getVaultContQuotaAtLR(Helper.calculateLockingRatio(collectionState, 0));
            }

            unchecked {
                ++i;
            }
        }

        if (!shuffle) {
            /// if no shuffling, give back the Fragment Tokens
            collectionState.floorToken.mint(onBehalfOf, Constants.FLOOR_TOKEN_AMOUNT * nftLen);
            Helper.checkAndUpdateVaultQuota(account.getByKey(collection), int32(contQuota));
            ERC721Transfer.safeBatchTransferFrom(collection, msg.sender, address(this), nftIds);
        } else {
            /// if shuffling, transfer user's NFTs first to avoid repetition.
            ERC721Transfer.safeBatchTransferFrom(collection, msg.sender, address(this), nftIds);
            /// if shuffling, give back the picked NFTs
            ERC721Transfer.safeBatchTransferFrom(collection, address(this), msg.sender, pickedTokenIds);
            /// tracking the out NFTs
            emit ClaimRandomNft(msg.sender, msg.sender, collection, pickedTokenIds, 0);
        }

        emit FragmentNft(msg.sender, onBehalfOf, collection, nftIds);
    }

    struct LockInfo {
        bool isInfinite;
        uint256 currentBucket;
        uint256 newExpiryBucket;
        uint256 selfLocked;
        uint256 totalManaged;
        uint256 newRequireLockCredit;
        uint64 infiniteCnt;
    }

    function lockNfts(
        CollectionState storage collection,
        UserFloorAccount storage account,
        LockParam memory param,
        address onBehalfOf
    ) public returns (uint256 totalCreditCost) {
        if (onBehalfOf == address(this)) revert Errors.InvalidParam();
        /// proxy collection only enabled when infinity lock
        if (param.collection != param.proxyCollection && param.expiryTs != 0) revert Errors.InvalidParam();

        uint256 totalCredit = account.ensureVipCredit(param.vipLevel, param.creditToken);
        Helper.ensureMaxLocking(collection, param.vipLevel, param.expiryTs, param.nftIds.length, false);
        {
            uint8 maxVipLevel = Constants.getVipLevel(totalCredit);
            uint256 newLocked = param.nftIds.length;
            Helper.ensureProxyVipLevel(maxVipLevel, param.collection != param.proxyCollection);
            /// check period quota and global quota for the account
            Helper.checkAndUpdateUserSafeboxQuota(account, maxVipLevel, newLocked.toUint16());
            /// don't try to add the collection account
            Helper.checkCollectionSafeboxQuota(account.getByKey(param.collection), collection, newLocked);
        }

        /// cache value to avoid multi-reads
        uint256 minMaintCredit = account.minMaintCredit;
        uint256[] memory nftIds = param.nftIds;
        uint256[] memory newKeys;
        {
            CollectionAccount storage userCollectionAccount = account.getOrAddCollection(param.collection);

            (totalCreditCost, newKeys) =
                _lockNfts(collection, userCollectionAccount, nftIds, param.expiryTs, param.vipLevel);

            // compute max credit for locking cost
            uint96 totalLockingCredit = userCollectionAccount.totalLockingCredit;
            {
                uint256 creditBuffer;
                unchecked {
                    creditBuffer = totalCredit - totalLockingCredit;
                }
                if (totalCreditCost > creditBuffer || totalCreditCost > param.maxCreditCost) {
                    revert Errors.InsufficientCredit();
                }
            }

            totalLockingCredit += totalCreditCost.toUint96();
            userCollectionAccount.totalLockingCredit = totalLockingCredit;

            if (totalLockingCredit > minMaintCredit) {
                account.minMaintCredit = totalLockingCredit;
                minMaintCredit = totalLockingCredit;
            }
        }

        account.updateVipKeyCount(param.vipLevel, int256(nftIds.length));
        /// mint for `onBehalfOf`, transfer from msg.sender
        collection.floorToken.mint(onBehalfOf, Constants.FLOOR_TOKEN_AMOUNT * nftIds.length);
        ERC721Transfer.safeBatchTransferFrom(param.proxyCollection, msg.sender, address(this), nftIds);

        emit LockNft(
            msg.sender,
            onBehalfOf,
            param.collection,
            nftIds,
            newKeys,
            param.expiryTs,
            minMaintCredit,
            param.proxyCollection
        );
    }

    function _lockNfts(
        CollectionState storage collectionState,
        CollectionAccount storage account,
        uint256[] memory nftIds,
        uint256 expiryTs, // treat 0 as infinite lock.
        uint8 vipLevel
    ) private returns (uint256, uint256[] memory) {
        LockInfo memory info = LockInfo({
            isInfinite: expiryTs == 0,
            currentBucket: Helper.counterStamp(block.timestamp),
            newExpiryBucket: Helper.counterStamp(expiryTs),
            selfLocked: account.keyCnt,
            totalManaged: collectionState.activeSafeBoxCnt + collectionState.freeTokenIds.length,
            newRequireLockCredit: 0,
            infiniteCnt: collectionState.infiniteCnt
        });
        if (info.isInfinite) {
            /// if it is infinite lock, we need load all buckets to calculate the staking cost
            info.newExpiryBucket = Helper.counterStamp(block.timestamp + Constants.MAX_LOCKING_PERIOD);
        }

        uint256[] memory buckets = Helper.prepareBucketUpdate(collectionState, info.currentBucket, info.newExpiryBucket);
        /// @dev `keys` used to log info, we just compact its fields into one 256 bits number
        uint256[] memory keys = new uint256[](nftIds.length);

        for (uint256 idx; idx < nftIds.length;) {
            uint256 lockedCredit = updateCountersAndGetSafeboxCredit(buckets, info, vipLevel);

            if (info.isInfinite) ++info.infiniteCnt;

            SafeBoxKey memory key = SafeBoxKey({
                keyId: Helper.generateNextKeyId(collectionState),
                lockingCredit: lockedCredit.toUint96(),
                vipLevel: vipLevel
            });

            account.addSafeboxKey(nftIds[idx], key);
            addSafeBox(
                collectionState, nftIds[idx], SafeBox({keyId: key.keyId, expiryTs: uint32(expiryTs), owner: msg.sender})
            );

            keys[idx] = SafeBoxLib.encodeSafeBoxKey(key);

            info.newRequireLockCredit += lockedCredit;
            unchecked {
                ++info.totalManaged;
                ++info.selfLocked;
                ++idx;
            }
        }

        if (info.isInfinite) {
            collectionState.infiniteCnt = info.infiniteCnt;
        } else {
            collectionState.countingBuckets.batchSet(info.currentBucket, buckets);
            if (info.newExpiryBucket > collectionState.lastUpdatedBucket) {
                collectionState.lastUpdatedBucket = uint64(info.newExpiryBucket);
            }
        }

        return (info.newRequireLockCredit, keys);
    }

    function unlockNfts(
        CollectionState storage collection,
        UserFloorAccount storage userAccount,
        address proxyCollection,
        address collectionId,
        uint256[] memory nftIds,
        uint256 maxExpiryTs,
        address receiver
    ) public {
        CollectionAccount storage userCollectionAccount = userAccount.getByKey(collectionId);
        SafeBoxKey[] memory releasedKeys = _unlockNfts(collection, maxExpiryTs, nftIds, userCollectionAccount);

        for (uint256 i = 0; i < releasedKeys.length;) {
            userAccount.updateVipKeyCount(releasedKeys[i].vipLevel, -1);
            unchecked {
                ++i;
            }
        }

        /// @dev if the receiver is the contract self, then unlock the safeboxes and dump the NFTs to the vault
        if (receiver == address(this)) {
            uint256 nftLen = nftIds.length;
            for (uint256 i; i < nftLen;) {
                collection.freeTokenIds.push(nftIds[i]);
                unchecked {
                    ++i;
                }
            }
            emit FragmentNft(msg.sender, msg.sender, collectionId, nftIds);
        } else {
            collection.floorToken.burn(msg.sender, Constants.FLOOR_TOKEN_AMOUNT * nftIds.length);
            ERC721Transfer.safeBatchTransferFrom(proxyCollection, address(this), receiver, nftIds);
        }

        emit UnlockNft(msg.sender, receiver, collectionId, nftIds, proxyCollection);
    }

    function _unlockNfts(
        CollectionState storage collectionState,
        uint256 maxExpiryTs,
        uint256[] memory nftIds,
        CollectionAccount storage userCollectionAccount
    ) private returns (SafeBoxKey[] memory) {
        if (maxExpiryTs > 0 && maxExpiryTs < block.timestamp) revert Errors.SafeBoxHasExpire();
        SafeBoxKey[] memory expiredKeys = new SafeBoxKey[](nftIds.length);
        uint256 currentBucketTime = Helper.counterStamp(block.timestamp);
        uint256 creditToRelease = 0;
        uint256[] memory buckets;

        /// if maxExpiryTs == 0, it means all nftIds in this batch being locked infinitely that we don't need to update countingBuckets
        if (maxExpiryTs > 0) {
            uint256 maxExpiryBucketTime = Math.min(Helper.counterStamp(maxExpiryTs), collectionState.lastUpdatedBucket);
            buckets = collectionState.countingBuckets.batchGet(currentBucketTime, maxExpiryBucketTime);
        }

        for (uint256 i; i < nftIds.length;) {
            uint256 nftId = nftIds[i];

            if (Helper.hasActiveActivities(collectionState, nftId)) revert Errors.NftHasActiveActivities();

            (SafeBox storage safeBox, SafeBoxKey storage safeBoxKey) =
                Helper.useSafeBoxAndKey(collectionState, userCollectionAccount, nftId);

            creditToRelease += safeBoxKey.lockingCredit;
            if (safeBox.isInfiniteSafeBox()) {
                --collectionState.infiniteCnt;
            } else {
                uint256 limit = Helper.counterStamp(safeBox.expiryTs) - currentBucketTime;
                if (limit > buckets.length) revert();
                for (uint256 idx; idx < limit;) {
                    --buckets[idx];
                    unchecked {
                        ++idx;
                    }
                }
            }

            expiredKeys[i] = safeBoxKey;

            removeSafeBox(collectionState, nftId);
            userCollectionAccount.removeSafeboxKey(nftId);

            unchecked {
                ++i;
            }
        }

        userCollectionAccount.totalLockingCredit -= creditToRelease.toUint96();
        if (buckets.length > 0) {
            collectionState.countingBuckets.batchSet(currentBucketTime, buckets);
        }

        return expiredKeys;
    }

    function extendLockingForKeys(
        CollectionState storage collection,
        UserFloorAccount storage userAccount,
        LockParam memory param
    ) public returns (uint256 totalCreditCost) {
        uint8 newVipLevel = uint8(param.vipLevel);
        uint256 totalCredit = userAccount.ensureVipCredit(newVipLevel, param.creditToken);
        Helper.ensureMaxLocking(collection, newVipLevel, param.expiryTs, param.nftIds.length, true);

        uint256 minMaintCredit = userAccount.minMaintCredit;
        uint256[] memory safeBoxKeys;
        {
            CollectionAccount storage collectionAccount = userAccount.getOrAddCollection(param.collection);

            // extend lock duration
            int256[] memory vipLevelDiffs;
            (vipLevelDiffs, totalCreditCost, safeBoxKeys) =
                _extendLockingForKeys(collection, collectionAccount, param.nftIds, param.expiryTs, uint8(newVipLevel));

            // compute max credit for locking cost
            uint96 totalLockingCredit = collectionAccount.totalLockingCredit;
            {
                uint256 creditBuffer;
                unchecked {
                    creditBuffer = totalCredit - totalLockingCredit;
                }
                if (totalCreditCost > creditBuffer || totalCreditCost > param.maxCreditCost) {
                    revert Errors.InsufficientCredit();
                }
            }

            // update user vip key counts
            for (uint256 vipLevel = 0; vipLevel < vipLevelDiffs.length;) {
                userAccount.updateVipKeyCount(uint8(vipLevel), vipLevelDiffs[vipLevel]);
                unchecked {
                    ++vipLevel;
                }
            }

            totalLockingCredit += totalCreditCost.toUint96();
            collectionAccount.totalLockingCredit = totalLockingCredit;
            if (totalLockingCredit > minMaintCredit) {
                userAccount.minMaintCredit = totalLockingCredit;
                minMaintCredit = totalLockingCredit;
            }
        }

        emit ExtendKey(msg.sender, param.collection, param.nftIds, safeBoxKeys, param.expiryTs, minMaintCredit);
    }

    function _extendLockingForKeys(
        CollectionState storage collectionState,
        CollectionAccount storage userCollectionAccount,
        uint256[] memory nftIds,
        uint256 newExpiryTs, // expiryTs of 0 is infinite.
        uint8 newVipLevel
    ) private returns (int256[] memory, uint256, uint256[] memory) {
        LockInfo memory info = LockInfo({
            isInfinite: newExpiryTs == 0,
            currentBucket: Helper.counterStamp(block.timestamp),
            newExpiryBucket: Helper.counterStamp(newExpiryTs),
            selfLocked: userCollectionAccount.keyCnt,
            totalManaged: collectionState.activeSafeBoxCnt + collectionState.freeTokenIds.length,
            newRequireLockCredit: 0,
            infiniteCnt: collectionState.infiniteCnt
        });
        if (info.isInfinite) {
            info.newExpiryBucket = Helper.counterStamp(block.timestamp + Constants.MAX_LOCKING_PERIOD);
        }

        uint256[] memory buckets = Helper.prepareBucketUpdate(collectionState, info.currentBucket, info.newExpiryBucket);
        int256[] memory vipLevelDiffs = new int256[](Constants.VIP_LEVEL_COUNT);
        /// @dev `keys` used to log info, we just compact its fields into one 256 bits number
        uint256[] memory keys = new uint256[](nftIds.length);

        for (uint256 idx; idx < nftIds.length;) {
            if (
                Helper.hasActiveActivities(collectionState, nftIds[idx])
                /// listing safebox can be extended
                && !Helper.hasActiveListOffer(collectionState, nftIds[idx])
            ) {
                revert Errors.NftHasActiveActivities();
            }

            (SafeBox storage safeBox, SafeBoxKey storage safeBoxKey) =
                Helper.useSafeBoxAndKey(collectionState, userCollectionAccount, nftIds[idx]);

            {
                uint256 extendOffset = Helper.counterStamp(safeBox.expiryTs) - info.currentBucket;
                unchecked {
                    for (uint256 i; i < extendOffset; ++i) {
                        if (buckets[i] == 0) revert Errors.InvalidParam();
                        --buckets[i];
                    }
                }
            }

            uint256 safeboxQuote = updateCountersAndGetSafeboxCredit(buckets, info, newVipLevel);

            if (safeboxQuote > safeBoxKey.lockingCredit) {
                info.newRequireLockCredit += (safeboxQuote - safeBoxKey.lockingCredit);
                safeBoxKey.lockingCredit = safeboxQuote.toUint96();
            }

            uint8 oldVipLevel = safeBoxKey.vipLevel;
            if (newVipLevel > oldVipLevel) {
                safeBoxKey.vipLevel = newVipLevel;
                --vipLevelDiffs[oldVipLevel];
                ++vipLevelDiffs[newVipLevel];
            }

            if (info.isInfinite) {
                safeBox.expiryTs = 0;
                ++info.infiniteCnt;
            } else {
                safeBox.expiryTs = uint32(newExpiryTs);
            }

            keys[idx] = SafeBoxLib.encodeSafeBoxKey(safeBoxKey);

            unchecked {
                ++idx;
            }
        }

        if (info.isInfinite) {
            collectionState.infiniteCnt = info.infiniteCnt;
        } else {
            collectionState.countingBuckets.batchSet(info.currentBucket, buckets);
            if (info.newExpiryBucket > collectionState.lastUpdatedBucket) {
                collectionState.lastUpdatedBucket = uint64(info.newExpiryBucket);
            }
        }
        return (vipLevelDiffs, info.newRequireLockCredit, keys);
    }

    function updateCountersAndGetSafeboxCredit(uint256[] memory counters, LockInfo memory lockInfo, uint8 vipLevel)
        private
        pure
        returns (uint256 result)
    {
        unchecked {
            uint256 infiniteCnt = lockInfo.infiniteCnt;
            uint256 totalManaged = lockInfo.totalManaged;

            uint256 counterOffsetEnd = (counters.length + 1) * 0x20;
            uint256 tmpCount;
            if (lockInfo.isInfinite) {
                for (uint256 i = 0x20; i < counterOffsetEnd; i += 0x20) {
                    assembly {
                        tmpCount := mload(add(counters, i))
                    }
                    result += Constants.getRequiredStakingForLockRatio(infiniteCnt + tmpCount, totalManaged);
                }
            } else {
                for (uint256 i = 0x20; i < counterOffsetEnd; i += 0x20) {
                    assembly {
                        tmpCount := mload(add(counters, i))
                    }
                    result += Constants.getRequiredStakingForLockRatio(infiniteCnt + tmpCount, totalManaged);
                    assembly {
                        /// increase counters[i]
                        mstore(add(counters, i), add(tmpCount, 1))
                    }
                }
                result = Constants.getVipRequiredStakingWithDiscount(result, vipLevel);
            }
            result = Constants.getRequiredStakingWithSelfRatio(
                result, Helper.calculateSelfLockingRatio(lockInfo.selfLocked, totalManaged)
            );
        }
    }

    function removeExpiredKeysAndRestoreCredits(
        CollectionState storage collectionState,
        UserFloorAccount storage account,
        address collectionId,
        uint256[] memory nftIds,
        address onBehalfOf,
        bool verifyLocking
    ) public returns (uint256 releasedCredit) {
        CollectionAccount storage collectionAccount = account.getByKey(collectionId);
        if (verifyLocking) {
            /// tricky logic, when verifying, we assume the keyCnt maybe incorrect and prevent it from underflow by increasing it
            collectionAccount.keyCnt = uint32(nftIds.length);
        }

        uint256 lockingCredit;
        uint256 removedCnt;
        uint256[] memory removedKeys = new uint256[](nftIds.length);

        for (uint256 i; i < nftIds.length;) {
            SafeBoxKey memory safeBoxKey = collectionAccount.getByKey(nftIds[i]);
            SafeBox memory safeBox = collectionState.safeBoxes[nftIds[i]];

            if (safeBoxKey.keyId == 0) {
                revert Errors.InvalidParam();
            }

            if (safeBox._isSafeBoxExpired() || !safeBox._isKeyMatchingSafeBox(safeBoxKey)) {
                /// reuse the array
                nftIds[removedCnt] = nftIds[i];
                removedKeys[removedCnt] = SafeBoxLib.encodeSafeBoxKey(safeBoxKey);

                unchecked {
                    ++removedCnt;
                    releasedCredit += safeBoxKey.lockingCredit;
                }

                account.updateVipKeyCount(safeBoxKey.vipLevel, -1);
                collectionAccount.removeSafeboxKey(nftIds[i]);
            } else if (verifyLocking) {
                unchecked {
                    lockingCredit += safeBoxKey.lockingCredit;
                }
            }

            unchecked {
                ++i;
            }
        }

        if (releasedCredit > 0) {
            collectionAccount.totalLockingCredit -= releasedCredit.toUint96();
        }

        if (verifyLocking) {
            if (collectionAccount.totalLockingCredit != lockingCredit) revert Errors.InvalidParam();
            /// when locking credit are matching, the amount of keys with credit locked can be computed directly
            /// the keys without credit locked can be ignored temporarily
            collectionAccount.keyCnt = (nftIds.length - removedCnt).toUint32();
        }

        emit RemoveExpiredKey(
            msg.sender,
            onBehalfOf,
            collectionId,
            removedCnt == nftIds.length ? nftIds : Array.slice(nftIds, 0, removedCnt),
            removedCnt == nftIds.length ? removedKeys : Array.slice(removedKeys, 0, removedCnt)
        );
    }

    function tidyExpiredNFTs(CollectionState storage collection, uint256[] memory nftIds, address collectionId)
        public
    {
        uint256 nftLen = nftIds.length;

        for (uint256 i; i < nftLen;) {
            uint256 nftId = nftIds[i];
            SafeBox storage safeBox = Helper.useSafeBox(collection, nftId);
            if (!safeBox.isSafeBoxExpired()) revert Errors.SafeBoxHasNotExpire();
            if (!Helper.isAuctionPeriodOver(safeBox)) revert Errors.AuctionHasNotCompleted();

            /// remove expired safebox, and dump it to vault
            removeSafeBox(collection, nftId);
            collection.freeTokenIds.push(nftId);

            unchecked {
                ++i;
            }
        }

        emit ExpiredNftToVault(msg.sender, collectionId, nftIds);
    }

    function claimRandomNFT(
        CollectionState storage collection,
        mapping(address => UserFloorAccount) storage userAccounts,
        mapping(address => FeeConfig) storage feeConfs,
        address collectionId,
        uint256 claimCnt,
        uint256 maxCreditCost,
        address receiver
    ) public returns (uint256 totalCreditCost) {
        if (claimCnt == 0 || collection.freeTokenIds.length < claimCnt) revert Errors.ClaimableNftInsufficient();

        uint256 freeAmount = collection.freeTokenIds.length;
        uint256 totalManaged = collection.activeSafeBoxCnt + freeAmount;

        /// when locking ratio greater than xx%, stop random redemption
        if (
            Helper.calculateLockingRatioRaw(freeAmount - claimCnt, totalManaged - claimCnt)
                > Constants.VAULT_REDEMPTION_MAX_LOKING_RATIO
        ) {
            revert Errors.ClaimableNftInsufficient();
        }

        /// quota represented with 32 bits
        /// fragment token fee with 10^18 decimals
        bool useQuotaTx = (maxCreditCost >> 32) == 0;

        uint256[] memory selectedTokenIds;
        (selectedTokenIds, totalCreditCost) =
            pickRandomFromVault(collection, freeAmount, totalManaged, claimCnt, useQuotaTx);

        if (totalCreditCost > maxCreditCost) {
            revert Errors.InsufficientCredit();
        }

        if (useQuotaTx) {
            UserFloorAccount storage userAccount = userAccounts[msg.sender];
            Helper.checkAndUpdateVaultQuota(userAccount.getByKey(collectionId), -int32(uint32(totalCreditCost)));
        } else {
            distributeRedemptionFunds(userAccounts, feeConfs, address(collection.floorToken), claimCnt, totalCreditCost);
        }

        collection.floorToken.burn(msg.sender, Constants.FLOOR_TOKEN_AMOUNT * selectedTokenIds.length);
        ERC721Transfer.safeBatchTransferFrom(collectionId, address(this), receiver, selectedTokenIds);

        emit ClaimRandomNft(msg.sender, receiver, collectionId, selectedTokenIds, totalCreditCost);
    }

    function pickRandomFromVault(
        CollectionState storage collection,
        uint256 vaultCnt,
        uint256 totalManaged,
        uint256 pickCnt,
        bool useQuotaTax
    ) private returns (uint256[] memory pickedTokenIds, uint256 totalCost) {
        pickedTokenIds = new uint256[](pickCnt);

        while (pickCnt > 0) {
            {
                (uint256 fee, uint32 quota) =
                    Constants.getVaultFeeAtLR(Helper.calculateLockingRatioRaw(vaultCnt, totalManaged));
                if (useQuotaTax) totalCost += quota;
                else totalCost += fee;
            }

            uint256 freeLength = collection.freeTokenIds.length;
            /// just compute a deterministic random number
            uint256 chosenNftIdx =
                uint256(keccak256(abi.encodePacked(block.timestamp, block.prevrandao, totalManaged))) % freeLength;

            unchecked {
                --pickCnt;
                --totalManaged;
                --vaultCnt;
            }

            pickedTokenIds[pickCnt] = collection.freeTokenIds[chosenNftIdx];

            collection.freeTokenIds[chosenNftIdx] = collection.freeTokenIds[freeLength - 1];
            collection.freeTokenIds.pop();
        }
    }

    function distributeRedemptionFunds(
        mapping(address => UserFloorAccount) storage accounts,
        mapping(address => FeeConfig) storage feeConfs,
        address token,
        uint256 redeemCnt,
        uint256 totalPrice
    ) private {
        address protocolReceipt = feeConfs[token].vaultFee.receipt;
        address royaltyReceipt = feeConfs[token].royalty.receipt;

        /// a bit difference, for vault redemption with fee, we treat royaltyRate as bips of the Fragment Token amount of 1 NFT
        /// so the dust will be the incoming to the protocol
        uint256 royaltyRate = feeConfs[token].royalty.vault;
        uint256 royalty = redeemCnt * (Constants.FLOOR_TOKEN_AMOUNT / 10000 * royaltyRate);
        if (totalPrice < royalty) {
            royalty = totalPrice;
        }

        UserFloorAccount storage userAccount = accounts[msg.sender];
        userAccount.transferToken(accounts[protocolReceipt], token, totalPrice - royalty, false);
        userAccount.transferToken(accounts[royaltyReceipt], token, royalty, false);
    }

    function getLockingBuckets(CollectionState storage collection, uint256 startTimestamp, uint256 endTimestamp)
        public
        view
        returns (uint256[] memory)
    {
        return Helper.prepareBucketUpdate(
            collection,
            Helper.counterStamp(startTimestamp),
            Math.min(collection.lastUpdatedBucket, Helper.counterStamp(endTimestamp))
        );
    }

    function addSafeBox(CollectionState storage collectionState, uint256 nftId, SafeBox memory safebox) internal {
        if (collectionState.safeBoxes[nftId].keyId > 0) revert Errors.SafeBoxAlreadyExist();
        collectionState.safeBoxes[nftId] = safebox;
        ++collectionState.activeSafeBoxCnt;
    }

    function removeSafeBox(CollectionState storage collectionState, uint256 nftId) internal {
        delete collectionState.safeBoxes[nftId];
        --collectionState.activeSafeBoxCnt;
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

import "../Constants.sol";
import "../Errors.sol";
import "./SafeBox.sol";
import "./User.sol";
import {
    SafeBox,
    CollectionState,
    AuctionInfo,
    CollectionAccount,
    SafeBoxKey,
    FeeRate,
    PrivateOffer,
    Fees
} from "./Structs.sol";
import "../library/RollingBuckets.sol";

library Helper {
    using SafeBoxLib for SafeBox;
    using UserLib for CollectionAccount;
    using RollingBuckets for mapping(uint256 => uint256);

    function counterStamp(uint256 timestamp) internal pure returns (uint96) {
        unchecked {
            return uint96((timestamp + Constants.BUCKET_SPAN_1) / Constants.BUCKET_SPAN);
        }
    }

    function checkCollectionSafeboxQuota(
        CollectionAccount storage account,
        CollectionState storage collection,
        uint256 newLocked
    ) internal view {
        uint256 selfRatio = calculateSelfLockingRatio(
            account.keyCnt + newLocked, collection.activeSafeBoxCnt + collection.freeTokenIds.length + newLocked
        );
        if (selfRatio > Constants.USER_COLLECTION_LOCKED_BOUND_PCT) revert Errors.UserQuotaExhausted();
    }

    function checkAndUpdateUserSafeboxQuota(UserFloorAccount storage account, uint8 vipLevel, uint16 newLocked)
        internal
    {
        uint16 used = updateUserSafeboxQuota(account);
        uint16 totalQuota = Constants.getSafeboxPeriodQuota(vipLevel);

        uint16 nextUsed = used + newLocked;
        if (nextUsed > totalQuota) revert Errors.PeriodQuotaExhausted();

        account.safeboxQuotaUsed = nextUsed;

        checkSafeboxQuotaGlobal(account, vipLevel, newLocked);
    }

    function checkSafeboxQuotaGlobal(UserFloorAccount storage account, uint8 vipLevel, uint256 newLocked)
        internal
        view
    {
        uint256 totalQuota = Constants.getSafeboxUserQuota(vipLevel);
        if (totalQuota < newLocked) {
            revert Errors.UserQuotaExhausted();
        } else {
            unchecked {
                totalQuota -= newLocked;
            }
        }

        (, uint256[] memory keyCnts) = UserLib.getMinLevelAndVipKeyCounts(account.vipInfo);
        for (uint256 i; i < Constants.VIP_LEVEL_COUNT;) {
            if (totalQuota >= keyCnts[i]) {
                unchecked {
                    totalQuota -= keyCnts[i];
                }
            } else {
                revert Errors.UserQuotaExhausted();
            }
            unchecked {
                ++i;
            }
        }
    }

    function ensureProxyVipLevel(uint8 vipLevel, bool proxy) internal pure {
        if (proxy && vipLevel < Constants.PROXY_COLLECTION_VIP_THRESHOLD) {
            revert Errors.InvalidParam();
        }
    }

    function ensureMaxLocking(
        CollectionState storage collection,
        uint8 vipLevel,
        uint256 requireExpiryTs,
        uint256 requireLockCnt,
        bool extend
    ) internal view {
        /// vip level 0 can not use safebox utilities.
        if (vipLevel >= Constants.VIP_LEVEL_COUNT || vipLevel == 0) {
            revert Errors.InvalidParam();
        }

        uint256 lockingRatio = calculateLockingRatio(collection, requireLockCnt);
        uint256 restrictRatio;
        if (extend) {
            /// try to extend exist safebox
            /// only restrict infinity locking, normal safebox with expiry should be skipped
            restrictRatio = requireExpiryTs == 0 ? Constants.getLockingRatioForInfinite(vipLevel) : 100;
        } else {
            /// try to lock(create new safebox)
            /// restrict maximum locking ratio to use safebox
            restrictRatio = Constants.getLockingRatioForSafebox(vipLevel);
            if (requireExpiryTs == 0) {
                uint256 extraRatio = Constants.getLockingRatioForInfinite(vipLevel);
                if (restrictRatio > extraRatio) restrictRatio = extraRatio;
            }
        }

        if (lockingRatio > restrictRatio) revert Errors.InvalidParam();

        /// only check when it is not infinite lock
        if (requireExpiryTs > 0) {
            uint256 deltaBucket;
            unchecked {
                deltaBucket = counterStamp(requireExpiryTs) - counterStamp(block.timestamp);
            }
            if (deltaBucket == 0 || deltaBucket > Constants.getVipLockingBuckets(vipLevel)) {
                revert Errors.InvalidParam();
            }
        }
    }

    function useSafeBoxAndKey(CollectionState storage collection, CollectionAccount storage userAccount, uint256 nftId)
        internal
        view
        returns (SafeBox storage safeBox, SafeBoxKey storage key)
    {
        safeBox = collection.safeBoxes[nftId];
        if (safeBox.keyId == 0) revert Errors.SafeBoxNotExist();
        if (safeBox.isSafeBoxExpired()) revert Errors.SafeBoxHasExpire();

        key = userAccount.getByKey(nftId);
        if (!safeBox.isKeyMatchingSafeBox(key)) revert Errors.NoMatchingSafeBoxKey();
    }

    function useSafeBox(CollectionState storage collection, uint256 nftId)
        internal
        view
        returns (SafeBox storage safeBox)
    {
        safeBox = collection.safeBoxes[nftId];
        if (safeBox.keyId == 0) revert Errors.SafeBoxNotExist();
    }

    function generateNextKeyId(CollectionState storage collectionState) internal returns (uint64 nextKeyId) {
        nextKeyId = collectionState.nextKeyId;
        ++collectionState.nextKeyId;
    }

    function generateNextActivityId(CollectionState storage collection) internal returns (uint64 nextActivityId) {
        nextActivityId = collection.nextActivityId;
        ++collection.nextActivityId;
    }

    function isAuctionPeriodOver(SafeBox storage safeBox) internal view returns (bool) {
        return safeBox.expiryTs + Constants.FREE_AUCTION_PERIOD < block.timestamp;
    }

    function hasActiveActivities(CollectionState storage collection, uint256 nftId) internal view returns (bool) {
        return hasActiveAuction(collection, nftId) || hasActiveRaffle(collection, nftId)
            || hasActivePrivateOffer(collection, nftId) || hasActiveListOffer(collection, nftId);
    }

    function hasActiveAuction(CollectionState storage collection, uint256 nftId) internal view returns (bool) {
        return collection.activeAuctions[nftId].endTime >= block.timestamp;
    }

    function hasActiveRaffle(CollectionState storage collection, uint256 nftId) internal view returns (bool) {
        return collection.activeRaffles[nftId].endTime >= block.timestamp;
    }

    function hasActivePrivateOffer(CollectionState storage collection, uint256 nftId) internal view returns (bool) {
        return collection.activePrivateOffers[nftId].endTime >= block.timestamp;
    }

    function hasActiveListOffer(CollectionState storage collection, uint256 nftId) internal view returns (bool) {
        PrivateOffer storage offer = collection.activePrivateOffers[nftId];
        return offer.activityId > 0 && offer.buyer == address(0) && !useSafeBox(collection, nftId).isSafeBoxExpired();
    }

    function calculateActivityFee(uint256 settleAmount, uint256 feeRateBips)
        internal
        pure
        returns (uint256 afterFee, uint256 fee)
    {
        fee = settleAmount * feeRateBips / 10000;
        unchecked {
            afterFee = settleAmount - fee;
        }
    }

    function prepareBucketUpdate(CollectionState storage collection, uint256 startBucket, uint256 endBucket)
        internal
        view
        returns (uint256[] memory buckets)
    {
        uint256 validEnd = collection.lastUpdatedBucket;
        uint256 padding;
        if (endBucket < validEnd) {
            validEnd = endBucket;
        } else {
            unchecked {
                padding = endBucket - validEnd;
            }
        }

        if (startBucket < validEnd) {
            if (padding == 0) {
                buckets = collection.countingBuckets.batchGet(startBucket, validEnd);
            } else {
                uint256 validLen;
                unchecked {
                    validLen = validEnd - startBucket;
                }
                buckets = new uint256[](validLen + padding);
                uint256[] memory tmp = collection.countingBuckets.batchGet(startBucket, validEnd);
                for (uint256 i; i < validLen;) {
                    buckets[i] = tmp[i];
                    unchecked {
                        ++i;
                    }
                }
            }
        } else {
            buckets = new uint256[](endBucket - startBucket);
        }
    }

    function getActiveSafeBoxes(CollectionState storage collectionState, uint256 timestamp)
        internal
        view
        returns (uint256)
    {
        uint256 bucketStamp = counterStamp(timestamp);
        if (collectionState.lastUpdatedBucket < bucketStamp) {
            return 0;
        }
        return collectionState.countingBuckets.get(bucketStamp);
    }

    function calculateLockingRatio(CollectionState storage collection, uint256 newLocked)
        internal
        view
        returns (uint256)
    {
        uint256 freeAmount = collection.freeTokenIds.length;
        uint256 totalManaged = newLocked + collection.activeSafeBoxCnt + freeAmount;
        return calculateLockingRatioRaw(freeAmount, totalManaged);
    }

    function calculateLockingRatioRaw(uint256 freeAmount, uint256 totalManaged) internal pure returns (uint256) {
        if (totalManaged == 0) {
            return 0;
        } else {
            unchecked {
                return (100 - freeAmount * 100 / totalManaged);
            }
        }
    }

    function calculateSelfLockingRatio(uint256 selfLocked, uint256 collectionTatalManaged)
        internal
        pure
        returns (uint256)
    {
        if (collectionTatalManaged == 0) {
            return 0;
        } else {
            unchecked {
                return (selfLocked * 100 / collectionTatalManaged);
            }
        }
    }

    function updateUserSafeboxQuota(UserFloorAccount storage account) internal returns (uint16) {
        if (block.timestamp - account.lastQuotaPeriodTs <= Constants.USER_SAFEBOX_QUOTA_REFRESH_DURATION) {
            return account.safeboxQuotaUsed;
        } else {
            unchecked {
                account.lastQuotaPeriodTs = uint32(
                    block.timestamp / Constants.USER_SAFEBOX_QUOTA_REFRESH_DURATION
                        * Constants.USER_SAFEBOX_QUOTA_REFRESH_DURATION
                );
            }
            account.safeboxQuotaUsed = 0;
            return 0;
        }
    }

    function applyDiffToCounters(
        CollectionState storage collectionState,
        uint256 startBucket,
        uint256 endBucket,
        int256 diff
    ) internal {
        if (startBucket == endBucket) return;
        uint256[] memory buckets = Helper.prepareBucketUpdate(collectionState, startBucket, endBucket);
        unchecked {
            uint256 bucketLen = buckets.length;
            if (diff > 0) {
                uint256 tmp = uint256(diff);
                for (uint256 i; i < bucketLen; ++i) {
                    buckets[i] += tmp;
                }
            } else {
                uint256 tmp = uint256(-diff);
                for (uint256 i; i < bucketLen; ++i) {
                    buckets[i] -= tmp;
                }
            }
        }
        collectionState.countingBuckets.batchSet(startBucket, buckets);
        if (endBucket > collectionState.lastUpdatedBucket) {
            collectionState.lastUpdatedBucket = uint64(endBucket);
        }
    }

    function computeFees(uint256 price, Fees memory fees)
        internal
        pure
        returns (uint256 priceWithoutFee, uint256 protocolFee, uint256 royalty)
    {
        protocolFee = price * fees.protocol.rateBips / 10_000;
        royalty = price * fees.royalty.rateBips / 10_000;
        unchecked {
            priceWithoutFee = price - protocolFee - royalty;
        }
    }

    function checkAndUpdateVaultQuota(CollectionAccount storage account, int32 diff) internal {
        if (block.timestamp - account.lastVaultActiveTs > Constants.VAULT_QUOTA_RESET_PERIOD) {
            // exceeds the reset period
            if (diff < 0) revert Errors.UserQuotaExhausted();
            else account.vaultContQuota = uint32(diff);
        } else {
            int32 res = int32(account.vaultContQuota) + diff;
            if (res < 0) revert Errors.UserQuotaExhausted();
            else account.vaultContQuota = uint32(res);
        }

        if (diff > 0) {
            /// only refresh when increasing quota
            account.lastVaultActiveTs = uint32(block.timestamp);
        }
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

import {SafeBox, SafeBoxKey} from "./Structs.sol";

library SafeBoxLib {
    uint64 public constant SAFEBOX_KEY_NOTATION = type(uint64).max;

    function isInfiniteSafeBox(SafeBox storage safeBox) internal view returns (bool) {
        return safeBox.expiryTs == 0;
    }

    function isSafeBoxExpired(SafeBox storage safeBox) internal view returns (bool) {
        return safeBox.expiryTs != 0 && safeBox.expiryTs < block.timestamp;
    }

    function _isSafeBoxExpired(SafeBox memory safeBox) internal view returns (bool) {
        return safeBox.expiryTs != 0 && safeBox.expiryTs < block.timestamp;
    }

    function isKeyMatchingSafeBox(SafeBox storage safeBox, SafeBoxKey storage safeBoxKey)
        internal
        view
        returns (bool)
    {
        return safeBox.keyId == safeBoxKey.keyId;
    }

    function _isKeyMatchingSafeBox(SafeBox memory safeBox, SafeBoxKey memory safeBoxKey) internal pure returns (bool) {
        return safeBox.keyId == safeBoxKey.keyId;
    }

    function encodeSafeBoxKey(SafeBoxKey memory key) internal pure returns (uint256) {
        uint256 val = key.lockingCredit;
        val |= (uint256(key.keyId) << 96);
        val |= (uint256(key.vipLevel) << 160);
        return val;
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

import "../interface/IFragmentToken.sol";

struct SafeBox {
    /// Either matching a key OR Constants.SAFEBOX_KEY_NOTATION meaning temporarily
    /// held by a bidder in auction.
    uint64 keyId;
    /// The timestamp that the safe box expires.
    uint32 expiryTs;
    /// The owner of the safebox. It maybe outdated due to expiry
    address owner;
}

struct PrivateOffer {
    /// private offer end time
    uint96 endTime;
    /// which token used to accpet the offer
    address token;
    /// price of the offer
    uint96 price;
    address owner;
    /// who should receive the offer
    address buyer;
    uint64 activityId;
    Fees fees;
}

enum AuctionType {
    Owned,
    Expired,
    Vault
}

struct AuctionInfo {
    /// The end time for the auction.
    uint96 endTime;
    /// Bid token address.
    address bidTokenAddress;
    /// Minimum Bid.
    uint96 minimumBid;
    /// The person who trigger the auction at the beginning.
    address triggerAddress;
    uint96 lastBidAmount;
    address lastBidder;
    /// [Deprecated] Whether the auction is triggered by the NFT owner itself？
    /// Note. Don't remove it directly as we need keep mainnet contract layout
    bool isSelfTriggered;
    uint64 activityId;
    /// [Deprecated] fee config
    /// Note. Don't remove it directly as we need keep mainnet contract layout
    uint32 oldFeeRateBips;
    AuctionType typ;
    Fees fees;
}

struct TicketRecord {
    /// who buy the tickets
    address buyer;
    /// Start index of tickets
    /// [startIdx, endIdx)
    uint48 startIdx;
    /// End index of tickets
    uint48 endIdx;
}

struct RaffleInfo {
    /// raffle end time
    uint48 endTime;
    /// max tickets amount the raffle can sell
    uint48 maxTickets;
    /// which token used to buy the raffle tickets
    address token;
    /// owner of raffle
    address owner;
    /// price per ticket
    uint96 ticketPrice;
    uint64 activityId;
    /// total funds collected by selling tickets
    uint96 collectedFund;
    /// total sold tickets amount
    uint48 ticketSold;
    /// whether the raffle is being settling
    bool isSettling;
    /// tickets sold records
    TicketRecord[] tickets;
    Fees fees;
}

struct CollectionState {
    /// The address of the Floor Token cooresponding to the NFTs.
    IFragmentToken floorToken;
    /// Records the active safe box in each time bucket.
    mapping(uint256 => uint256) countingBuckets;
    /// Stores all of the NFTs that has been fragmented but *without* locked up limit.
    uint256[] freeTokenIds;
    /// Huge map for all the `SafeBox`es in one collection.
    mapping(uint256 => SafeBox) safeBoxes;
    /// Stores all the ongoing auctions: nftId => `AuctionInfo`.
    mapping(uint256 => AuctionInfo) activeAuctions;
    /// Stores all the ongoing raffles: nftId => `RaffleInfo`.
    mapping(uint256 => RaffleInfo) activeRaffles;
    /// Stores all the ongoing private offers: nftId => `PrivateOffer`.
    mapping(uint256 => PrivateOffer) activePrivateOffers;
    /// The last bucket time the `countingBuckets` is updated.
    uint64 lastUpdatedBucket;
    /// Next Key Id. This should start from 1, we treat key id `SafeboxLib.SAFEBOX_KEY_NOTATION` as temporarily
    /// being used for activities(auction/raffle).
    uint64 nextKeyId;
    /// Active Safe Box Count.
    uint64 activeSafeBoxCnt;
    /// The number of infinite lock count.
    uint64 infiniteCnt;
    /// Next Activity Id. This should start from 1
    uint64 nextActivityId;
    uint32 lastVaultAuctionPeriodTs;
}

struct UserFloorAccount {
    /// @notice it should be maximum of the `totalLockingCredit` across all collections
    uint96 minMaintCredit;
    /// @notice used to iterate collection accounts
    /// packed with `minMaintCredit` to reduce storage slot access
    address firstCollection;
    /// @notice user vip level related info
    /// 0 - 239 bits: store SafeBoxKey Count per vip level, per level using 24 bits
    /// 240 - 247 bits: store minMaintVipLevel
    /// 248 - 255 bits: remaining
    uint256 vipInfo;
    /// @notice Locked Credit amount which cannot be withdrawn and will be released as time goes.
    uint256 lockedCredit;
    mapping(address => CollectionAccount) accounts;
    mapping(address => uint256) tokenAmounts;
    /// Each account has safebox quota to use per period
    uint32 lastQuotaPeriodTs;
    uint16 safeboxQuotaUsed;
    /// [Deprecated] Each account has vault redemption waiver per period
    uint32 lastWaiverPeriodTs;
    uint96 creditWaiverUsed;
}

struct SafeBoxKey {
    /// locked credit amount of this safebox
    uint96 lockingCredit;
    /// corresponding key id of the safebox
    uint64 keyId;
    /// which vip level the safebox locked
    uint8 vipLevel;
}

struct CollectionAccount {
    mapping(uint256 => SafeBoxKey) keys;
    /// total locking credit of all `keys` in this collection
    uint96 totalLockingCredit;
    /// track next collection as linked list
    address next;
    /// tracking total locked of the collection
    uint32 keyCnt;
    /// Depositing to vault gets quota, redepmtion consumes quota
    uint32 vaultContQuota;
    /// Used to track and clear vault contribution quota when the quota is inactive for a certain duration
    uint32 lastVaultActiveTs;
}

struct Fees {
    FeeRate royalty;
    FeeRate protocol;
}

struct FeeConfig {
    RoyaltyFeeRate royalty;
    SafeboxFeeRate safeboxFee;
    VaultFeeRate vaultFee;
}

struct RoyaltyFeeRate {
    address receipt;
    uint16 marketlist;
    uint16 vault;
    uint16 raffle;
}

struct VaultFeeRate {
    address receipt;
    uint16 vaultAuction;
}

struct SafeboxFeeRate {
    address receipt;
    uint16 auctionOwned;
    uint16 auctionExpired;
    uint16 raffle;
    uint16 marketlist;
}

struct FeeRate {
    address receipt;
    uint16 rateBips;
}

/// Internal Structure
struct LockParam {
    address proxyCollection;
    address collection;
    uint256[] nftIds;
    uint256 expiryTs;
    uint8 vipLevel;
    uint256 maxCreditCost;
    address creditToken;
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.20;

import "@openzeppelin/contracts/utils/math/SafeCast.sol";

import "../library/CurrencyTransfer.sol";
import "../Constants.sol";
import "../Errors.sol";
import {UserFloorAccount, CollectionAccount, SafeBoxKey} from "./Structs.sol";

library UserLib {
    using SafeCast for uint256;

    /// @notice `sender` deposit `token` into Flooring on behalf of `receiver`. `receiver`'s account will be updated.
    event DepositToken(address indexed sender, address indexed receiver, address indexed token, uint256 amount);
    /// @notice `sender` withdraw `token` from Flooring and transfer it to `receiver`.
    event WithdrawToken(address indexed sender, address indexed receiver, address indexed token, uint256 amount);
    /// @notice update the account maintain credit on behalfOf `onBehalfOf`
    event UpdateMaintainCredit(address indexed onBehalfOf, uint256 minMaintCredit);

    address internal constant LIST_GUARD = address(1);

    function ensureVipCredit(UserFloorAccount storage account, uint8 requireVipLevel, address creditToken)
        internal
        view
        returns (uint256)
    {
        uint256 totalCredit = tokenBalance(account, creditToken);
        if (Constants.getVipBalanceRequirements(requireVipLevel) > totalCredit) {
            revert Errors.InsufficientBalanceForVipLevel();
        }
        return totalCredit;
    }

    function getMinMaintVipLevel(UserFloorAccount storage account) internal view returns (uint8) {
        unchecked {
            return uint8(account.vipInfo >> 240);
        }
    }

    function getMinLevelAndVipKeyCounts(uint256 vipInfo)
        internal
        pure
        returns (uint8 minLevel, uint256[] memory counts)
    {
        unchecked {
            counts = new uint256[](Constants.VIP_LEVEL_COUNT);
            minLevel = uint8(vipInfo >> 240);
            for (uint256 i; i < Constants.VIP_LEVEL_COUNT; ++i) {
                counts[i] = (vipInfo >> (i * 24)) & 0xFFFFFF;
            }
        }
    }

    function storeMinLevelAndVipKeyCounts(
        UserFloorAccount storage account,
        uint8 minMaintVipLevel,
        uint256[] memory keyCounts
    ) internal {
        unchecked {
            uint256 _data = (uint256(minMaintVipLevel) << 240);
            for (uint256 i; i < Constants.VIP_LEVEL_COUNT; ++i) {
                _data |= ((keyCounts[i] & 0xFFFFFF) << (i * 24));
            }
            account.vipInfo = _data;
        }
    }

    function getOrAddCollection(UserFloorAccount storage user, address collection)
        internal
        returns (CollectionAccount storage)
    {
        CollectionAccount storage entry = user.accounts[collection];
        if (entry.next == address(0)) {
            if (user.firstCollection == address(0)) {
                user.firstCollection = collection;
                entry.next = LIST_GUARD;
            } else {
                entry.next = user.firstCollection;
                user.firstCollection = collection;
            }
        }
        return entry;
    }

    function removeCollection(UserFloorAccount storage userAccount, address collection, address prev) internal {
        CollectionAccount storage cur = userAccount.accounts[collection];
        if (cur.next == address(0)) revert Errors.InvalidParam();

        if (collection == userAccount.firstCollection) {
            if (cur.next == LIST_GUARD) {
                userAccount.firstCollection = address(0);
            } else {
                userAccount.firstCollection = cur.next;
            }
        } else {
            CollectionAccount storage prevAccount = userAccount.accounts[prev];
            if (prevAccount.next != collection) revert Errors.InvalidParam();
            prevAccount.next = cur.next;
        }

        delete userAccount.accounts[collection];
    }

    function getByKey(UserFloorAccount storage userAccount, address collection)
        internal
        view
        returns (CollectionAccount storage)
    {
        return userAccount.accounts[collection];
    }

    function addSafeboxKey(CollectionAccount storage account, uint256 nftId, SafeBoxKey memory key) internal {
        if (account.keys[nftId].keyId > 0) {
            revert Errors.SafeBoxKeyAlreadyExist();
        }

        ++account.keyCnt;
        account.keys[nftId] = key;
    }

    function removeSafeboxKey(CollectionAccount storage account, uint256 nftId) internal {
        --account.keyCnt;
        delete account.keys[nftId];
    }

    function getByKey(CollectionAccount storage account, uint256 nftId) internal view returns (SafeBoxKey storage) {
        return account.keys[nftId];
    }

    function tokenBalance(UserFloorAccount storage account, address token) internal view returns (uint256) {
        return account.tokenAmounts[token];
    }

    function lockCredit(UserFloorAccount storage account, uint256 amount) internal {
        unchecked {
            account.lockedCredit += amount;
        }
    }

    function unlockCredit(UserFloorAccount storage account, uint256 amount) internal {
        unchecked {
            account.lockedCredit -= amount;
        }
    }

    function deposit(
        UserFloorAccount storage account,
        address onBehalfOf,
        address token,
        uint256 amount,
        bool isLockCredit
    ) public {
        depositToken(account, token, amount);
        if (isLockCredit) lockCredit(account, amount);

        if (token == CurrencyTransfer.NATIVE) {
            require(amount == msg.value);
        } else {
            CurrencyTransfer.safeTransferFrom(token, msg.sender, address(this), amount);
        }
        emit DepositToken(msg.sender, onBehalfOf, token, amount);
    }

    function withdraw(UserFloorAccount storage account, address receiver, address token, uint256 amount, bool isCredit)
        public
    {
        withdrawToken(account, token, amount, isCredit);
        CurrencyTransfer.safeTransfer(token, receiver, amount);
        emit WithdrawToken(msg.sender, receiver, token, amount);
    }

    function depositToken(UserFloorAccount storage account, address token, uint256 amount) internal {
        account.tokenAmounts[token] += amount;
    }

    function withdrawToken(UserFloorAccount storage account, address token, uint256 amount, bool isCreditToken)
        internal
    {
        uint256 balance = account.tokenAmounts[token];
        if (balance < amount) {
            revert Errors.InsufficientCredit();
        }

        if (isCreditToken) {
            uint256 avaiableBuf;
            unchecked {
                avaiableBuf = balance - amount;
            }
            if (
                avaiableBuf < Constants.getVipBalanceRequirements(getMinMaintVipLevel(account))
                    || avaiableBuf < account.minMaintCredit || avaiableBuf < account.lockedCredit
            ) {
                revert Errors.InsufficientCredit();
            }

            account.tokenAmounts[token] = avaiableBuf;
        } else {
            unchecked {
                account.tokenAmounts[token] = balance - amount;
            }
        }
    }

    function transferToken(
        UserFloorAccount storage from,
        UserFloorAccount storage to,
        address token,
        uint256 amount,
        bool isCreditToken
    ) internal {
        if (amount > 0) {
            withdrawToken(from, token, amount, isCreditToken);
            depositToken(to, token, amount);
        }
    }

    function updateVipKeyCount(UserFloorAccount storage account, uint8 vipLevel, int256 diff) internal {
        if (vipLevel > 0 && diff != 0) {
            (uint8 minMaintVipLevel, uint256[] memory keyCounts) = getMinLevelAndVipKeyCounts(account.vipInfo);

            if (diff < 0) {
                keyCounts[vipLevel] -= uint256(-diff);
                if (vipLevel == minMaintVipLevel && keyCounts[vipLevel] == 0) {
                    uint8 newVipLevel = vipLevel;
                    do {
                        unchecked {
                            --newVipLevel;
                        }
                    } while (newVipLevel > 0 && keyCounts[newVipLevel] == 0);

                    minMaintVipLevel = newVipLevel;
                }
            } else {
                keyCounts[vipLevel] += uint256(diff);
                if (vipLevel > minMaintVipLevel) {
                    minMaintVipLevel = vipLevel;
                }
            }
            storeMinLevelAndVipKeyCounts(account, minMaintVipLevel, keyCounts);
        }
    }

    function recalculateMinMaintCredit(UserFloorAccount storage account, address onBehalfOf)
        public
        returns (uint256 maxLocking)
    {
        address prev = account.firstCollection;
        for (address collection = account.firstCollection; collection != LIST_GUARD && collection != address(0);) {
            (uint256 locking, address next) =
                (getByKey(account, collection).totalLockingCredit, getByKey(account, collection).next);
            if (locking == 0) {
                removeCollection(account, collection, prev);
                collection = next;
            } else {
                if (locking > maxLocking) {
                    maxLocking = locking;
                }
                prev = collection;
                collection = next;
            }
        }

        account.minMaintCredit = uint96(maxLocking);

        emit UpdateMaintainCredit(onBehalfOf, maxLocking);
    }
}

{
  "metadata": {
    "bytecodeHash": "none",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 800
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"name":"AuctionBidIsNotHighEnough","type":"error"},{"inputs":[],"name":"AuctionHasExpire","type":"error"},{"inputs":[],"name":"AuctionHasNotCompleted","type":"error"},{"inputs":[],"name":"AuctionInvalidBidAmount","type":"error"},{"inputs":[],"name":"AuctionNotExist","type":"error"},{"inputs":[],"name":"AuctionSelfBid","type":"error"},{"inputs":[],"name":"BucketLengthExceedsLimit","type":"error"},{"inputs":[],"name":"BucketValueExceedsLimit","type":"error"},{"inputs":[],"name":"InsufficientBalanceForVipLevel","type":"error"},{"inputs":[],"name":"InsufficientCredit","type":"error"},{"inputs":[],"name":"InvalidParam","type":"error"},{"inputs":[],"name":"NftHasActiveActivities","type":"error"},{"inputs":[],"name":"NoMatchingSafeBoxKey","type":"error"},{"inputs":[],"name":"PeriodQuotaExhausted","type":"error"},{"inputs":[],"name":"SafeBoxAlreadyExist","type":"error"},{"inputs":[],"name":"SafeBoxAuctionWindowHasPassed","type":"error"},{"inputs":[],"name":"SafeBoxHasExpire","type":"error"},{"inputs":[],"name":"SafeBoxHasNotExpire","type":"error"},{"inputs":[],"name":"SafeBoxKeyAlreadyExist","type":"error"},{"inputs":[],"name":"SafeBoxNotExist","type":"error"},{"inputs":[{"internalType":"uint8","name":"bits","type":"uint8"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"SafeCastOverflowedUintDowncast","type":"error"},{"inputs":[],"name":"TokenNotSupported","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"winner","type":"address"},{"indexed":true,"internalType":"address","name":"collection","type":"address"},{"indexed":false,"internalType":"uint64","name":"activityId","type":"uint64"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"safeBoxKeyId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"collectedFunds","type":"uint256"}],"name":"AuctionEnded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"trigger","type":"address"},{"indexed":true,"internalType":"address","name":"collection","type":"address"},{"indexed":false,"internalType":"uint64[]","name":"activityIds","type":"uint64[]"},{"indexed":false,"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"indexed":false,"internalType":"enum AuctionType","name":"typ","type":"uint8"},{"components":[{"components":[{"internalType":"address","name":"receipt","type":"address"},{"internalType":"uint16","name":"rateBips","type":"uint16"}],"internalType":"struct FeeRate","name":"royalty","type":"tuple"},{"components":[{"internalType":"address","name":"receipt","type":"address"},{"internalType":"uint16","name":"rateBips","type":"uint16"}],"internalType":"struct FeeRate","name":"protocol","type":"tuple"}],"indexed":false,"internalType":"struct Fees","name":"fees","type":"tuple"},{"indexed":false,"internalType":"address","name":"settleToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"minimumBid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"auctionEndTime","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"safeBoxExpiryTs","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"adminFee","type":"uint256"}],"name":"AuctionStartedV2","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"bidder","type":"address"},{"indexed":true,"internalType":"address","name":"collection","type":"address"},{"indexed":false,"internalType":"uint64","name":"activityId","type":"uint64"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"bidAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"auctionEndTime","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"safeBoxExpiryTs","type":"uint256"}],"name":"NewTopBidOnAuction","type":"event"}]

61361e610035600b8282823980515f1a60731461002957634e487b7160e01b5f525f60045260245ffd5b305f52607381538281f3fe730000000000000000000000000000000000000000301460806040526004361061006f575f3560e01c80631c1a270f116100585780631c1a270f146100b35780635b20b5c6146100d2578063ba56df4e146100f1575f80fd5b806303e4298f146100735780630ffcb2ba14610094575b5f80fd5b81801561007e575f80fd5b5061009261008d36600461302e565b610110565b005b81801561009f575f80fd5b506100926100ae3660046130bd565b6103d7565b8180156100be575f80fd5b506100926100cd366004613155565b6105b0565b8180156100dd575f80fd5b506100926100ec3660046131fa565b610cc9565b8180156100fc575f80fd5b5061009261010b366004613256565b610fc5565b60018601546001600160a01b031661013b57604051633dd1b30560e01b815260040160405180910390fd5b5f610146895f611392565b90505f610152826113de565b5090508083101561017657604051636f5353b160e11b815260040160405180910390fd5b5050610180612edb565b61018d62015180426132c6565b6001600160601b031681526001600160a01b03831660208201526101b082611469565b6001600160601b031660408201523360608201526101cd82611469565b6001600160601b031660808201523360a08201526001610120820181905250604080516080810182525f818301818152606083018290528252825180840190935260018a01546001600160a01b0381168452600160b01b900461ffff166020848101919091528201929092526101408301528061024b8b87856114a4565b63ffffffff16915091505f86515f61026391906132ed565b9050886001600160a01b0316866001600160a01b0316036102e557305f90815260208c90526040902087516102e09190889084906102a1908a6132ed565b6102ab91906132c6565b60018f5f336001600160a01b03166001600160a01b031681526020019081526020015f2061183690949392919063ffffffff16565b610361565b305f90815260208c905260409020875161033a9190889061030690896132ed565b5f8f5f336001600160a01b03166001600160a01b031681526020019081526020015f2061183690949392919063ffffffff16565b801561036157305f90815260208c905260408082203383529120610361918b846001611836565b876001600160a01b0316336001600160a01b03167fd6633dc7eec5401de6894895436c2b403611ed125cdde2fa99e0b362ef9bef8c858a8861012001518961014001518c8c8c5f01518b8b6040516103c1999897969594939291906133da565b60405180910390a3505050505050505050505050565b60018701546001600160a01b031661040257604051633dd1b30560e01b815260040160405180910390fd5b335f90815260208990526040812085519091906104289068056bc75e2d631000006132ed565b305f90815260208c9052604090209091506104489083908a846001611836565b610450612edb565b61045d62015180426132c6565b6001600160601b031681526001600160a01b038516602082015261048084611469565b6001600160601b031660408201523360608201525f6080820181905260a08201819052610120820181905250604080516080810182525f818301818152606083018290528252825180840190935260018d01546001600160a01b0381168452600160a01b900461ffff166020848101919091528201929092526101408301528061052e8e610526878d6001600160a01b03165f9081526003919091016020526040902090565b8b8b87611853565b63ffffffff1691509150896001600160a01b0316336001600160a01b03167fd6633dc7eec5401de6894895436c2b403611ed125cdde2fa99e0b362ef9bef8c848c8761012001518861014001518d8d8b5f01518a8e604051610598999897969594939291906133da565b60405180910390a35050505050505050505050505050565b82516001146105d257604051633494a40d60e21b815260040160405180910390fd5b60028601546001600160a01b03166105fd57604051633dd1b30560e01b815260040160405180910390fd5b5f610608895f611392565b90505f61061482611d8f565b60088b0154909150819061063590600160401b900463ffffffff1642613479565b116106535760405163d6516b8960e01b815260040160405180910390fd5b5f61065d836113de565b50905080846001600160601b0316101561068a57604051636f5353b160e11b815260040160405180910390fd5b505050610695612edb565b6106a262015180426132c6565b6001600160601b0390811682526001600160a01b03848116602080850191909152848316604080860182905233606080880182905260808089019490945260a088019190915260026101208801819052825193840183528d5480871685850190815261ffff600160b01b909204821686850152855283518085018552918f01549687168252600160a01b9096049095168585015282840194909452610140860191909152805192830190526001600160401b03825283515f939183019161076e916202a30091166132c6565b63ffffffff168152602001306001600160a01b031681525090505f85516001600160401b038111156107a2576107a2612f83565b6040519080825280602002602001820160405280156107cb578160200160208202803683370190505b5086519091505b8015610b8f5760028c015487515f19909201918890839081106107f7576107f761348c565b60200260200101511061081d57604051633494a40d60e21b815260040160405180910390fd5b5f8c6002018883815181106108345761083461348c565b60200260200101518154811061084c5761084c61348c565b5f9182526020909120015490506108648d8286611de7565b61086d8d611ed3565b8560e001906001600160401b031690816001600160401b031681525050848d6004015f8381526020019081526020015f205f820151815f015f6101000a8154816001600160601b0302191690836001600160601b031602179055506020820151815f01600c6101000a8154816001600160a01b0302191690836001600160a01b031602179055506040820151816001015f6101000a8154816001600160601b0302191690836001600160601b03160217905550606082015181600101600c6101000a8154816001600160a01b0302191690836001600160a01b031602179055506080820151816002015f6101000a8154816001600160601b0302191690836001600160601b0316021790555060a082015181600201600c6101000a8154816001600160a01b0302191690836001600160a01b0316021790555060c0820151816003015f6101000a81548160ff02191690831515021790555060e08201518160030160016101000a8154816001600160401b0302191690836001600160401b031602179055506101008201518160030160096101000a81548163ffffffff021916908363ffffffff16021790555061012082015181600301600d6101000a81548160ff02191690836002811115610a4557610a456132d9565b021790555061014091909101518051805160048401805460209384015161ffff908116600160a01b9081026001600160b01b03199384166001600160a01b039687161717909355948401518051600590970180549190950151909516909102931693169290921717905560e08501518351849084908110610ac857610ac861348c565b6001600160401b039092166020928302919091019091015260028d018054610af290600190613479565b81548110610b0257610b0261348c565b905f5260205f2001548d600201898481518110610b2157610b2161348c565b602002602001015181548110610b3957610b3961348c565b5f9182526020909120015560028d01805480610b5757610b576134a0565b600190038181905f5260205f20015f9055905580888381518110610b7d57610b7d61348c565b602002602001018181525050506107d2565b50305f90815260208b81526040909120908401518751610be3929190610bbe906001600160601b0389166132ed565b335f90815260208f9052604090209291906001600160a01b038a8116908e1614611836565b610c298b6203f4806203f47f4201046001600160601b0316610c19856020015163ffffffff166203f4806203f47f919091010490565b6001600160601b03168951611f16565b428b60080160086101000a81548163ffffffff021916908363ffffffff160217905550866001600160a01b0316336001600160a01b03167fd6633dc7eec5401de6894895436c2b403611ed125cdde2fa99e0b362ef9bef8c838987610120015188610140015189602001518b8b5f01518b602001515f604051610cb4999897969594939291906134b4565b60405180910390a35050505050505050505050565b5f805f610cd584611ffc565b604080820151335f90815260208d905291909120919250610cf791908a6120e3565b50610d408a6040518060a00160405280898152602001610d1689611469565b6001600160601b031681523360208083019190915285516040830152850151606090910152612133565b5f88815260048d016020908152604080832081516101608101835281546001600160601b038082168352600160601b918290046001600160a01b039081169684019690965260018401548082169584019590955293819004851660608301526002808401549485166080840152930490931660a0840152600381015460ff808216151560c08601526101008083046001600160401b031660e08701526901000000000000000000830463ffffffff16908601526fffffffffffffffffffffffffffffffff97909716995094975092955090939192610120850192600160681b9091041690811115610e3357610e336132d9565b6002811115610e4457610e446132d9565b81526040805160808101825260048401546001600160a01b0380821683850190815261ffff600160a01b938490048116606086015290845284518086018652600590970154808316885292909204909116602086810191909152828101959095529284015283830151305f908152938e9052818420338552919093209394509192610edb92909184908a90828116908f1614611836565b8315610f0f576001600160a01b0383165f90815260208b90526040808220308352908220610f0f9290919084908890611836565b5f87815260038c01602090815260409182902082516060808201855291546001600160401b03808216835263ffffffff600160401b8304168386018190526001600160a01b03600160601b90930483168488015260e0890151895188519190931681529586018e90529585018c90526001600160601b03169284019290925260808301939093528a169033907f803010fdbef76f36b5d3e5ac091de314dede9c52855c46fd5e8c0b040961a40c9060a0016103c1565b5f5b815181101561138b575f828281518110610fe357610fe361348c565b602002602001015190505f610ff88783612437565b905061100381612474565b1561102157604051631d80cfbf60e21b815260040160405180910390fd5b5f828152600488016020908152604080832081516101608101835281546001600160601b038082168352600160601b918290046001600160a01b039081169684019690965260018401548082169584019590955293819004851660608301526002808401549485166080840152930490931660a0840152600381015460ff808216151560c08601526101008083046001600160401b031660e08701526901000000000000000000830463ffffffff16908601529192610120850192600160681b909204909116908111156110f7576110f76132d9565b6002811115611108576111086132d9565b81526040805160808101825260048401546001600160a01b0380821683850190815261ffff600160a01b9384900481166060860152908452845180860190955260059096015490811684520490931660208281019190915283810191909152015280519091506001600160601b03165f0361119657604051631cacacff60e11b815260040160405180910390fd5b42815f01516001600160601b031611156111c357604051630a0619fd60e01b815260040160405180910390fd5b60a08101516001600160a01b03166111ee57604051630a0619fd60e01b815260040160405180910390fd5b815461120d9088908390600160601b90046001600160a01b03166124a6565b60a081015160408051606081019091525f808252906020810161122f8c61257e565b6001600160401b0390811682525f602092830181905283830151885492166bffffffff000000000000000090921691909117600160601b6001600160a01b0387811691820292909217895582528c83526040808320918d16835260038201909352919020919250906112a28188856125a0565b5f87815260048d8101602090815260408084208481556001810185905560028101949094556003840180546dffffffffffffffffffffffffffff1916905591830180546001600160b01b03199081169091556005909301805490931690925560e0870151858301516080808a015184516001600160401b0394851681529586018d905292909116928401929092526001600160601b031660608301526001600160a01b038c811692908716917f4267620590840eb55001e83ca966068950e54f161253b9bcb8ad7903d67e2685910160405180910390a387600101975050505050505050610fc7565b5050505050565b600282015460078301545f9190829082906113bd90600160801b90046001600160401b0316866132c6565b6113c791906132c6565b90506113d382826126a9565b925050505b92915050565b5f80603283116113fd575069043c33c193756480000092600192509050565b603c831161141a5750690878678326eac900000092600292509050565b604683116114375750690cb49b44ba602d80000092600492509050565b6050831161145457506910f0cf064dd59200000092600892509050565b5069152d02c7e14af680000092600a92509050565b5f6001600160601b038211156114a0576040516306dfcc6560e41b8152606060048201526024810183905260440160405180910390fd5b5090565b60605f6202a300835f01516001600160601b03166114c291906132c6565b905083516001600160401b038111156114dd576114dd612f83565b604051908082528060200260200182016040528015611506578160200160208202803683370190505b5091505f5b84518110156117f4575f8582815181106115275761152761348c565b6020026020010151905061154481886126d590919063ffffffff16565b1561156257604051636bb8676960e11b815260040160405180910390fd5b5f61156d8883612437565b905061157881612474565b6115955760405163f1a3275d60e01b815260040160405180910390fd5b61159e8161274c565b156115bc576040516353b91a5160e01b815260040160405180910390fd5b6115c588611ed3565b8584815181106115d7576115d761348c565b60200260200101906001600160401b031690816001600160401b0316815250508483815181106116095761160961348c565b6020908102919091018101516001600160401b0390811660e089019081525f85815260048c0184526040908190208a51948b01516001600160a01b03908116600160601b9081026001600160601b03978816178355928c015160608d01518216840290871617600183015560808c015160a08d0151909116909202919094161760028085019190915560c08a01516003850180549351610100808e015163ffffffff166901000000000000000000026cffffffff00000000000000000019929097160268ffffffffffffffff00199315159390931668ffffffffffffffffff199095169490941791909117928316841781556101208b01518b9594909391926dff00000000000000000000000000199091166dffffffffff000000000000000000199092169190911790600160681b90849081111561174a5761174a6132d9565b021790555061014091909101518051805160048401805460209384015161ffff908116600160a01b9081026001600160b01b03199384166001600160a01b0396871617179093559484015180516005909701805491909501519095169091029316931692909217179055805467ffffffffffffffff1963ffffffff8616600160401b02166bffffffffffffffffffffffff19909116176001600160401b031790555060010161150b565b5061182e856203f4806203f47f4201046001600160601b03166203f4806203f47f63ffffffff861601046001600160601b03168751611f16565b935093915050565b811561138b5761184885848484612774565b61138b848484612857565b60605f6202a300835f01516001600160601b031661187191906132c6565b90505f6203f4806203f47f4201046203f4806203f47f63ffffffff8516010461189a919061353d565b6001600160601b0316905060608515611900576118fd6203f4806203f47f4201046001600160601b03166118f26203f4806203f47f8a010460078d01546001600160601b0391909116906001600160401b031661288a565b60018c01919061289f565b90505b86516001600160401b0381111561191957611919612f83565b604051908082528060200260200182016040528015611942578160200160208202803683370190505b5093505f5b8751811015611d5a5761197c8882815181106119655761196561348c565b60200260200101518b6126d590919063ffffffff16565b1561199a57604051636bb8676960e11b815260040160405180910390fd5b5f6119c98a8a84815181106119b1576119b161348c565b60200260200101518d6129d09092919063ffffffff16565b508054909150600160401b900463ffffffff16611a405760078b018054601890611a1790780100000000000000000000000000000000000000000000000090046001600160401b0316613564565b91906101000a8154816001600160401b0302191690836001600160401b03160217905550611b08565b805463ffffffff600160401b9091048116908616811015611a7457604051633494a40d60e21b815260040160405180910390fd5b5f6203f4806203f47f4201046203f4806203f47f840104611a95919061353d565b6001600160601b0316905080861180611aae5750845181115b15611acc57604051633494a40d60e21b815260040160405180910390fd5b855b81811015611b0457858181518110611ae857611ae861348c565b602002602001018051611afa90613585565b9052600101611ace565b5050505b80546bffffffff00000000000000001916600160401b63ffffffff871602178155611b328b611ed3565b868381518110611b4457611b4461348c565b60200260200101906001600160401b031690816001600160401b031681525050858281518110611b7657611b7661348c565b60200260200101518760e001906001600160401b031690816001600160401b031681525050868b6004015f8b8581518110611bb357611bb361348c565b60209081029190910181015182528181019290925260409081015f208351928401516001600160a01b03908116600160601b9081026001600160601b0395861617835592850151606086015182168402908516176001830155608085015160a0860151909116909202919092161760028083019190915560c083015160038301805460e08601516101008088015163ffffffff166901000000000000000000026cffffffff000000000000000000196001600160401b0390931690910268ffffffffffffffff00199515159590951668ffffffffffffffffff199093169290921793909317928316811782556101208601519391926dff00000000000000000000000000199091166dffffffffff000000000000000000199091161790600160681b908490811115611ce757611ce76132d9565b021790555061014091909101518051805160048401805460209384015161ffff908116600160a01b9081026001600160b01b03199384166001600160a01b039687161717909355948401518051600590970180549190950151909516909102931693169290921717905550600101611947565b50805115611d8357611d8360018a016001600160601b036203f480426203f47f01041683612a77565b50509550959350505050565b5f6050821015611da25750610e10919050565b6055821015611db45750612a30919050565b605a821015611dc65750615460919050565b605f821015611dd8575061a8c0919050565b5062015180919050565b919050565b5f8281526003840160205260409020546001600160401b031615611e1e5760405163985816ed60e01b815260040160405180910390fd5b5f8281526003840160209081526040918290208351815492850151938501516001600160a01b0316600160601b026001600160601b0363ffffffff909516600160401b026bffffffffffffffffffffffff199094166001600160401b039283161793909317939093169190911790556007840180549091601091611eaa91600160801b9091041661359a565b91906101000a8154816001600160401b0302191690836001600160401b03160217905550505050565b6008810180546001600160401b0316905f611eed8361359a565b91906101000a8154816001600160401b0302191690836001600160401b03160217905550919050565b828214611ff6575f611f29858585612bb5565b80519091505f831315611f7457825f5b82811015611f6d5781848281518110611f5457611f5461348c565b6020908102919091010180519091019052600101611f39565b5050611fb2565b5f838103905b82811015611faf5781848281518110611f9557611f9561348c565b602090810291909101018051919091039052600101611f7a565b50505b50611fc1600186018583612a77565b60078501546001600160401b031683111561138b575060078401805467ffffffffffffffff19166001600160401b0384161790555b50505050565b61201d60405180606001604052805f81526020015f81526020015f81525090565b60048210612029575f80fd5b5f6040518060800160405280604051806060016040528061012c8152602001600181526020015f815250815260200160405180606001604052806170808152602001600a815260200160038152508152602001604051806060016040528061e10081526020016014815260200160058152508152602001604051806060016040528062015180815260200160288152602001600781525081525090508083600481106120d7576120d761348c565b60200201519392505050565b6001600160a01b0381165f9081526004840160205260408120548061210a8560ff16612d09565b1115612129576040516369f131af60e11b815260040160405180910390fd5b90505b9392505050565b80515f908152600483016020526040812082518291908290612156908790612437565b825460028401546001600160601b038082169750600160601b9091046001600160a01b03169550919250165f8190036121a257604051631cacacff60e11b815260040160405180910390fd5b4281116121c25760405163ce2abcbb60e01b815260040160405180910390fd5b85602001516001600160601b0316856fffffffffffffffffffffffffffffffff161015806122045750602086015160018401546001600160601b039182169116115b156122225760405163724f8deb60e01b815260040160405180910390fd5b85604001516001600160a01b0316846001600160a01b03160361225857604051631247b42760e11b815260040160405180910390fd5b5f6003840154600160681b900460ff166002811115612279576122796132d9565b14801561229e5750815460408701516001600160a01b03908116600160601b90920416145b156122bc57604051631247b42760e11b815260040160405180910390fd5b5f856fffffffffffffffffffffffffffffffff16118015612308575061230686602001516001600160601b0316866fffffffffffffffffffffffffffffffff168860800151612dad565b155b1561232657604051636f5353b160e11b815260040160405180910390fd5b815467ffffffffffffffff19166001600160401b0317825560608601515f9061234f90426132c6565b9050818111156123fc575f6123676202a300836132c6565b84549091506123b7908a9061239390600160401b900463ffffffff166203f4806203f47f919091010490565b6001600160601b03166203f4806203f47f8501046001600160601b03166001611f16565b835463ffffffff909116600160401b026bffffffff00000000000000001990911617835583546001600160601b0382166bffffffffffffffffffffffff199091161784555b50505060208401516040909401516001600160a01b0316600160601b026001600160601b039094169390931760029093019290925592909150565b5f8181526003830160205260408120805490916001600160401b0390911690036113d857604051635672499160e01b815260040160405180910390fd5b80545f90600160401b900463ffffffff16158015906113d85750815442600160401b90910463ffffffff161092915050565b602082015161014083015160808401515f90819081906124cf906001600160601b031685612e1e565b305f90815260208c90526040902092955090935091508115612514578451516001600160a01b03165f90815260208a9052604081206125149183919089908690611836565b821561254657602080860151516001600160a01b03165f908152908a9052604081206125469183919089908790611836565b8315612573576001600160a01b0387165f90815260208a9052604081206125739183919089908890611836565b505050505050505050565b600781018054600160401b90046001600160401b0316906008611eed8361359a565b5f82815260208490526040902054600160601b90046001600160401b0316156125dc57604051637f471e3f60e11b815260040160405180910390fd5b6002830180545f906125f39063ffffffff166135d3565b825463ffffffff9182166101009390930a92830291909202199091161790555f91825260209283526040918290208151815494830151939092015160ff16600160a01b027fffffffffffffffffffffff00ffffffffffffffffffffffffffffffffffffffff6001600160401b03909416600160601b027fffffffffffffffffffffffff00000000000000000000000000000000000000009095166001600160601b03909316929092179390931791909116179055565b5f815f036126b857505f6113d8565b8183606402816126ca576126ca6135bf565b0460640390506113d8565b5f818152600483016020526040812054426001600160601b0390911610158061271757505f8281526005840160205260409020544265ffffffffffff90911610155b8061273c57505f828152600684016020526040902054426001600160601b0390911610155b8061212c575061212c8383612e7b565b80545f90429061276d906201518090600160401b900463ffffffff166132c6565b1092915050565b6001600160a01b0383165f908152600485016020526040902054828110156127af57604051638ac4bc7360e01b815260040160405180910390fd5b8115612832578281036127d16127c9876001015460f01c90565b60ff16612d09565b8110806127e7575085546001600160601b031681105b806127f55750856002015481105b1561281357604051638ac4bc7360e01b815260040160405180910390fd5b6001600160a01b0385165f90815260048701602052604090205561138b565b6001600160a01b0384165f908152600486016020526040902083820390555050505050565b6001600160a01b0382165f908152600484016020526040812080548392906128809084906132c6565b9091555050505050565b5f818310612898578161212c565b5090919050565b6060818311156128c25760405163d571362560e01b815260040160405180910390fd5b82820360f08111156128e75760405163d571362560e01b815260040160405180910390fd5b5f816001600160401b0381111561290057612900612f83565b604051908082528060200260200182016040528015612929578160200160208202803683370190505b5090505f808061294260f0895b06600a80820492910690565b5f82815260208c90526040902054919350915062ffffff601883021b895b898110156129c057602086019550818316601885021c868801528160181b9150600184019350600181019050600a84036129bb5761299f60f082612936565b5f82815260208f905260409020549196509450925062ffffff91505b612960565b50949a9950505050505050505050565b5f818152600384016020526040812080549091906001600160401b03168103612a0c57604051635672499160e01b815260040160405180910390fd5b612a1582612474565b15612a3357604051631d80cfbf60e21b815260040160405180910390fd5b505f828152602084905260409020805482546001600160401b03908116600160601b909204161461182e57604051633c3ca9d760e11b815260040160405180910390fd5b805160f0811115612a9b5760405163d571362560e01b815260040160405180910390fd5b612aa6815f19613479565b831115612ac65760405163d571362560e01b815260040160405180910390fd5b5f80612ad360f086612936565b5f8281526020898152604090912054600190960181029592945090925062ffffff601884021b19905b85811015612b9b578681015162ffffff811115612b2c576040516369600fad60e11b815260040160405180910390fd5b80601886021b808486161794505060018501945062ffffff601886021b199250600a8503612b92575f86815260208b81526040909120859055612b759060f09084048b01612936565b5f82815260208d905260409020549197509550935062ffffff1992505b50602001612afc565b50505f928352602096909652506040902093909355505050565b60078301546060906001600160401b03165f81841015612bd757839150612bdc565b508083035b81851015612cb257805f03612c0057612bf960018701868461289f565b9250612d00565b848203612c0d82826132c6565b6001600160401b03811115612c2457612c24612f83565b604051908082528060200260200182016040528015612c4d578160200160208202803683370190505b5093505f612c5f60018901888661289f565b90505f5b82811015612caa57818181518110612c7d57612c7d61348c565b6020026020010151868281518110612c9757612c9761348c565b6020908102919091010152600101612c63565b505050612d00565b612cbc8585613479565b6001600160401b03811115612cd357612cd3612f83565b604051908082528060200260200182016040528015612cfc578160200160208202803683370190505b5092505b50509392505050565b5f60088210612d16575f80fd5b8160018114612d545760028114612d5e5760038114612d695760048114612d745760058114612d7f5760068114612d8a5760078114612d9557612d9d565b6175309150612d9d565b620186a09150612d9d565b620493e09150612d9d565b620f42409150612d9d565b622dc6c09150612d9d565b629896809150612d9d565b6301c9c38091505b50670de0b6b3a764000002919050565b5f806064612dbb84866132ed565b612dc591906135eb565b90506001811015612dd4575060015b612dde81856132c6565b851015612dee575f91505061212c565b5f612dfa6064876135eb565b90506001811015612e09575060015b612e1381876135fe565b159695505050505050565b5f805f61271084602001516020015161ffff1686612e3c91906132ed565b612e4691906135eb565b84516020015190925061271090612e619061ffff16876132ed565b612e6b91906135eb565b9050808286030392509250925092565b5f81815260068301602052604081206002810154600160a01b90046001600160401b031615801590612eb8575060028101546001600160a01b0316155b8015612ed35750612ed1612ecc8585612437565b612474565b155b949350505050565b60408051610160810182525f80825260208201819052918101829052606081018290526080810182905260a0810182905260c0810182905260e081018290526101008101829052906101208201908152602001612f68604080516080810182525f818301818152606083018290528252825180840190935280835260208381019190915290919082015290565b905290565b80356001600160a01b0381168114611de2575f80fd5b634e487b7160e01b5f52604160045260245ffd5b5f82601f830112612fa6575f80fd5b813560206001600160401b0380831115612fc257612fc2612f83565b8260051b604051601f19603f83011681018181108482111715612fe757612fe7612f83565b604052938452858101830193838101925087851115613004575f80fd5b83870191505b848210156130235781358352918301919083019061300a565b979650505050505050565b5f805f805f805f80610100898b031215613046575f80fd5b88359750602089013596506040890135955061306460608a01612f6d565b945061307260808a01612f6d565b935060a08901356001600160401b0381111561308c575f80fd5b6130988b828c01612f97565b9350506130a760c08a01612f6d565b915060e089013590509295985092959890939650565b5f805f805f805f805f6101208a8c0312156130d6575f80fd5b8935985060208a0135975060408a013596506130f460608b01612f6d565b955061310260808b01612f6d565b945060a08a01356001600160401b0381111561311c575f80fd5b6131288c828d01612f97565b94505060c08a0135925061313e60e08b01612f6d565b91506101008a013590509295985092959850929598565b5f805f805f805f80610100898b03121561316d575f80fd5b88359750602089013596506040890135955061318b60608a01612f6d565b945061319960808a01612f6d565b935060a08901356001600160401b038111156131b3575f80fd5b6131bf8b828c01612f97565b9350506131ce60c08a01612f6d565b915060e08901356001600160601b03811681146131e9575f80fd5b809150509295985092959890939650565b5f805f805f805f60e0888a031215613210575f80fd5b873596506020880135955061322760408901612f6d565b945061323560608901612f6d565b9699959850939660808101359560a0820135955060c0909101359350915050565b5f805f8060808587031215613269575f80fd5b843593506020850135925061328060408601612f6d565b915060608501356001600160401b0381111561329a575f80fd5b6132a687828801612f97565b91505092959194509250565b634e487b7160e01b5f52601160045260245ffd5b808201808211156113d8576113d86132b2565b634e487b7160e01b5f52602160045260245ffd5b80820281158282048414176113d8576113d86132b2565b5f8151808452602080850194508084015f5b8381101561333b5781516001600160401b031687529582019590820190600101613316565b509495945050505050565b5f8151808452602080850194508084015f5b8381101561333b57815187529582019590820190600101613358565b6003811061339057634e487b7160e01b5f52602160045260245ffd5b9052565b6133b682825180516001600160a01b0316825260209081015161ffff16910152565b60209081015180516001600160a01b03166040840152015161ffff16606090910152565b5f6101808083526133ed8184018d613304565b90508281036020840152613401818c613346565b915050613411604083018a613374565b61341e6060830189613394565b6001600160a01b039690961660e08201526101008101949094526001600160601b039290921661012084015277ffffffffffffffffffffffffffffffffffffffffffffffff1661014083015261016090910152949350505050565b818103818111156113d8576113d86132b2565b634e487b7160e01b5f52603260045260245ffd5b634e487b7160e01b5f52603160045260245ffd5b5f6101808083526134c78184018d613304565b905082810360208401526134db818c613346565b9150506134eb604083018a613374565b6134f86060830189613394565b6001600160a01b039690961660e08201526001600160601b039485166101008201529290931661012083015263ffffffff166101408201526101600152949350505050565b6001600160601b0382811682821603908082111561355d5761355d6132b2565b5092915050565b5f6001600160401b0382168061357c5761357c6132b2565b5f190192915050565b5f81613593576135936132b2565b505f190190565b5f6001600160401b038083168181036135b5576135b56132b2565b6001019392505050565b634e487b7160e01b5f52601260045260245ffd5b5f63ffffffff8083168181036135b5576135b56132b2565b5f826135f9576135f96135bf565b500490565b5f8261360c5761360c6135bf565b50069056fea164736f6c6343000814000a

0x732f0af2d3e8ba7b3d77c8128dd00a3b3894d95f46301460806040526004361061006f575f3560e01c80631c1a270f116100585780631c1a270f146100b35780635b20b5c6146100d2578063ba56df4e146100f1575f80fd5b806303e4298f146100735780630ffcb2ba14610094575b5f80fd5b81801561007e575f80fd5b5061009261008d36600461302e565b610110565b005b81801561009f575f80fd5b506100926100ae3660046130bd565b6103d7565b8180156100be575f80fd5b506100926100cd366004613155565b6105b0565b8180156100dd575f80fd5b506100926100ec3660046131fa565b610cc9565b8180156100fc575f80fd5b5061009261010b366004613256565b610fc5565b60018601546001600160a01b031661013b57604051633dd1b30560e01b815260040160405180910390fd5b5f610146895f611392565b90505f610152826113de565b5090508083101561017657604051636f5353b160e11b815260040160405180910390fd5b5050610180612edb565b61018d62015180426132c6565b6001600160601b031681526001600160a01b03831660208201526101b082611469565b6001600160601b031660408201523360608201526101cd82611469565b6001600160601b031660808201523360a08201526001610120820181905250604080516080810182525f818301818152606083018290528252825180840190935260018a01546001600160a01b0381168452600160b01b900461ffff166020848101919091528201929092526101408301528061024b8b87856114a4565b63ffffffff16915091505f86515f61026391906132ed565b9050886001600160a01b0316866001600160a01b0316036102e557305f90815260208c90526040902087516102e09190889084906102a1908a6132ed565b6102ab91906132c6565b60018f5f336001600160a01b03166001600160a01b031681526020019081526020015f2061183690949392919063ffffffff16565b610361565b305f90815260208c905260409020875161033a9190889061030690896132ed565b5f8f5f336001600160a01b03166001600160a01b031681526020019081526020015f2061183690949392919063ffffffff16565b801561036157305f90815260208c905260408082203383529120610361918b846001611836565b876001600160a01b0316336001600160a01b03167fd6633dc7eec5401de6894895436c2b403611ed125cdde2fa99e0b362ef9bef8c858a8861012001518961014001518c8c8c5f01518b8b6040516103c1999897969594939291906133da565b60405180910390a3505050505050505050505050565b60018701546001600160a01b031661040257604051633dd1b30560e01b815260040160405180910390fd5b335f90815260208990526040812085519091906104289068056bc75e2d631000006132ed565b305f90815260208c9052604090209091506104489083908a846001611836565b610450612edb565b61045d62015180426132c6565b6001600160601b031681526001600160a01b038516602082015261048084611469565b6001600160601b031660408201523360608201525f6080820181905260a08201819052610120820181905250604080516080810182525f818301818152606083018290528252825180840190935260018d01546001600160a01b0381168452600160a01b900461ffff166020848101919091528201929092526101408301528061052e8e610526878d6001600160a01b03165f9081526003919091016020526040902090565b8b8b87611853565b63ffffffff1691509150896001600160a01b0316336001600160a01b03167fd6633dc7eec5401de6894895436c2b403611ed125cdde2fa99e0b362ef9bef8c848c8761012001518861014001518d8d8b5f01518a8e604051610598999897969594939291906133da565b60405180910390a35050505050505050505050505050565b82516001146105d257604051633494a40d60e21b815260040160405180910390fd5b60028601546001600160a01b03166105fd57604051633dd1b30560e01b815260040160405180910390fd5b5f610608895f611392565b90505f61061482611d8f565b60088b0154909150819061063590600160401b900463ffffffff1642613479565b116106535760405163d6516b8960e01b815260040160405180910390fd5b5f61065d836113de565b50905080846001600160601b0316101561068a57604051636f5353b160e11b815260040160405180910390fd5b505050610695612edb565b6106a262015180426132c6565b6001600160601b0390811682526001600160a01b03848116602080850191909152848316604080860182905233606080880182905260808089019490945260a088019190915260026101208801819052825193840183528d5480871685850190815261ffff600160b01b909204821686850152855283518085018552918f01549687168252600160a01b9096049095168585015282840194909452610140860191909152805192830190526001600160401b03825283515f939183019161076e916202a30091166132c6565b63ffffffff168152602001306001600160a01b031681525090505f85516001600160401b038111156107a2576107a2612f83565b6040519080825280602002602001820160405280156107cb578160200160208202803683370190505b5086519091505b8015610b8f5760028c015487515f19909201918890839081106107f7576107f761348c565b60200260200101511061081d57604051633494a40d60e21b815260040160405180910390fd5b5f8c6002018883815181106108345761083461348c565b60200260200101518154811061084c5761084c61348c565b5f9182526020909120015490506108648d8286611de7565b61086d8d611ed3565b8560e001906001600160401b031690816001600160401b031681525050848d6004015f8381526020019081526020015f205f820151815f015f6101000a8154816001600160601b0302191690836001600160601b031602179055506020820151815f01600c6101000a8154816001600160a01b0302191690836001600160a01b031602179055506040820151816001015f6101000a8154816001600160601b0302191690836001600160601b03160217905550606082015181600101600c6101000a8154816001600160a01b0302191690836001600160a01b031602179055506080820151816002015f6101000a8154816001600160601b0302191690836001600160601b0316021790555060a082015181600201600c6101000a8154816001600160a01b0302191690836001600160a01b0316021790555060c0820151816003015f6101000a81548160ff02191690831515021790555060e08201518160030160016101000a8154816001600160401b0302191690836001600160401b031602179055506101008201518160030160096101000a81548163ffffffff021916908363ffffffff16021790555061012082015181600301600d6101000a81548160ff02191690836002811115610a4557610a456132d9565b021790555061014091909101518051805160048401805460209384015161ffff908116600160a01b9081026001600160b01b03199384166001600160a01b039687161717909355948401518051600590970180549190950151909516909102931693169290921717905560e08501518351849084908110610ac857610ac861348c565b6001600160401b039092166020928302919091019091015260028d018054610af290600190613479565b81548110610b0257610b0261348c565b905f5260205f2001548d600201898481518110610b2157610b2161348c565b602002602001015181548110610b3957610b3961348c565b5f9182526020909120015560028d01805480610b5757610b576134a0565b600190038181905f5260205f20015f9055905580888381518110610b7d57610b7d61348c565b602002602001018181525050506107d2565b50305f90815260208b81526040909120908401518751610be3929190610bbe906001600160601b0389166132ed565b335f90815260208f9052604090209291906001600160a01b038a8116908e1614611836565b610c298b6203f4806203f47f4201046001600160601b0316610c19856020015163ffffffff166203f4806203f47f919091010490565b6001600160601b03168951611f16565b428b60080160086101000a81548163ffffffff021916908363ffffffff160217905550866001600160a01b0316336001600160a01b03167fd6633dc7eec5401de6894895436c2b403611ed125cdde2fa99e0b362ef9bef8c838987610120015188610140015189602001518b8b5f01518b602001515f604051610cb4999897969594939291906134b4565b60405180910390a35050505050505050505050565b5f805f610cd584611ffc565b604080820151335f90815260208d905291909120919250610cf791908a6120e3565b50610d408a6040518060a00160405280898152602001610d1689611469565b6001600160601b031681523360208083019190915285516040830152850151606090910152612133565b5f88815260048d016020908152604080832081516101608101835281546001600160601b038082168352600160601b918290046001600160a01b039081169684019690965260018401548082169584019590955293819004851660608301526002808401549485166080840152930490931660a0840152600381015460ff808216151560c08601526101008083046001600160401b031660e08701526901000000000000000000830463ffffffff16908601526fffffffffffffffffffffffffffffffff97909716995094975092955090939192610120850192600160681b9091041690811115610e3357610e336132d9565b6002811115610e4457610e446132d9565b81526040805160808101825260048401546001600160a01b0380821683850190815261ffff600160a01b938490048116606086015290845284518086018652600590970154808316885292909204909116602086810191909152828101959095529284015283830151305f908152938e9052818420338552919093209394509192610edb92909184908a90828116908f1614611836565b8315610f0f576001600160a01b0383165f90815260208b90526040808220308352908220610f0f9290919084908890611836565b5f87815260038c01602090815260409182902082516060808201855291546001600160401b03808216835263ffffffff600160401b8304168386018190526001600160a01b03600160601b90930483168488015260e0890151895188519190931681529586018e90529585018c90526001600160601b03169284019290925260808301939093528a169033907f803010fdbef76f36b5d3e5ac091de314dede9c52855c46fd5e8c0b040961a40c9060a0016103c1565b5f5b815181101561138b575f828281518110610fe357610fe361348c565b602002602001015190505f610ff88783612437565b905061100381612474565b1561102157604051631d80cfbf60e21b815260040160405180910390fd5b5f828152600488016020908152604080832081516101608101835281546001600160601b038082168352600160601b918290046001600160a01b039081169684019690965260018401548082169584019590955293819004851660608301526002808401549485166080840152930490931660a0840152600381015460ff808216151560c08601526101008083046001600160401b031660e08701526901000000000000000000830463ffffffff16908601529192610120850192600160681b909204909116908111156110f7576110f76132d9565b6002811115611108576111086132d9565b81526040805160808101825260048401546001600160a01b0380821683850190815261ffff600160a01b9384900481166060860152908452845180860190955260059096015490811684520490931660208281019190915283810191909152015280519091506001600160601b03165f0361119657604051631cacacff60e11b815260040160405180910390fd5b42815f01516001600160601b031611156111c357604051630a0619fd60e01b815260040160405180910390fd5b60a08101516001600160a01b03166111ee57604051630a0619fd60e01b815260040160405180910390fd5b815461120d9088908390600160601b90046001600160a01b03166124a6565b60a081015160408051606081019091525f808252906020810161122f8c61257e565b6001600160401b0390811682525f602092830181905283830151885492166bffffffff000000000000000090921691909117600160601b6001600160a01b0387811691820292909217895582528c83526040808320918d16835260038201909352919020919250906112a28188856125a0565b5f87815260048d8101602090815260408084208481556001810185905560028101949094556003840180546dffffffffffffffffffffffffffff1916905591830180546001600160b01b03199081169091556005909301805490931690925560e0870151858301516080808a015184516001600160401b0394851681529586018d905292909116928401929092526001600160601b031660608301526001600160a01b038c811692908716917f4267620590840eb55001e83ca966068950e54f161253b9bcb8ad7903d67e2685910160405180910390a387600101975050505050505050610fc7565b5050505050565b600282015460078301545f9190829082906113bd90600160801b90046001600160401b0316866132c6565b6113c791906132c6565b90506113d382826126a9565b925050505b92915050565b5f80603283116113fd575069043c33c193756480000092600192509050565b603c831161141a5750690878678326eac900000092600292509050565b604683116114375750690cb49b44ba602d80000092600492509050565b6050831161145457506910f0cf064dd59200000092600892509050565b5069152d02c7e14af680000092600a92509050565b5f6001600160601b038211156114a0576040516306dfcc6560e41b8152606060048201526024810183905260440160405180910390fd5b5090565b60605f6202a300835f01516001600160601b03166114c291906132c6565b905083516001600160401b038111156114dd576114dd612f83565b604051908082528060200260200182016040528015611506578160200160208202803683370190505b5091505f5b84518110156117f4575f8582815181106115275761152761348c565b6020026020010151905061154481886126d590919063ffffffff16565b1561156257604051636bb8676960e11b815260040160405180910390fd5b5f61156d8883612437565b905061157881612474565b6115955760405163f1a3275d60e01b815260040160405180910390fd5b61159e8161274c565b156115bc576040516353b91a5160e01b815260040160405180910390fd5b6115c588611ed3565b8584815181106115d7576115d761348c565b60200260200101906001600160401b031690816001600160401b0316815250508483815181106116095761160961348c565b6020908102919091018101516001600160401b0390811660e089019081525f85815260048c0184526040908190208a51948b01516001600160a01b03908116600160601b9081026001600160601b03978816178355928c015160608d01518216840290871617600183015560808c015160a08d0151909116909202919094161760028085019190915560c08a01516003850180549351610100808e015163ffffffff166901000000000000000000026cffffffff00000000000000000019929097160268ffffffffffffffff00199315159390931668ffffffffffffffffff199095169490941791909117928316841781556101208b01518b9594909391926dff00000000000000000000000000199091166dffffffffff000000000000000000199092169190911790600160681b90849081111561174a5761174a6132d9565b021790555061014091909101518051805160048401805460209384015161ffff908116600160a01b9081026001600160b01b03199384166001600160a01b0396871617179093559484015180516005909701805491909501519095169091029316931692909217179055805467ffffffffffffffff1963ffffffff8616600160401b02166bffffffffffffffffffffffff19909116176001600160401b031790555060010161150b565b5061182e856203f4806203f47f4201046001600160601b03166203f4806203f47f63ffffffff861601046001600160601b03168751611f16565b935093915050565b811561138b5761184885848484612774565b61138b848484612857565b60605f6202a300835f01516001600160601b031661187191906132c6565b90505f6203f4806203f47f4201046203f4806203f47f63ffffffff8516010461189a919061353d565b6001600160601b0316905060608515611900576118fd6203f4806203f47f4201046001600160601b03166118f26203f4806203f47f8a010460078d01546001600160601b0391909116906001600160401b031661288a565b60018c01919061289f565b90505b86516001600160401b0381111561191957611919612f83565b604051908082528060200260200182016040528015611942578160200160208202803683370190505b5093505f5b8751811015611d5a5761197c8882815181106119655761196561348c565b60200260200101518b6126d590919063ffffffff16565b1561199a57604051636bb8676960e11b815260040160405180910390fd5b5f6119c98a8a84815181106119b1576119b161348c565b60200260200101518d6129d09092919063ffffffff16565b508054909150600160401b900463ffffffff16611a405760078b018054601890611a1790780100000000000000000000000000000000000000000000000090046001600160401b0316613564565b91906101000a8154816001600160401b0302191690836001600160401b03160217905550611b08565b805463ffffffff600160401b9091048116908616811015611a7457604051633494a40d60e21b815260040160405180910390fd5b5f6203f4806203f47f4201046203f4806203f47f840104611a95919061353d565b6001600160601b0316905080861180611aae5750845181115b15611acc57604051633494a40d60e21b815260040160405180910390fd5b855b81811015611b0457858181518110611ae857611ae861348c565b602002602001018051611afa90613585565b9052600101611ace565b5050505b80546bffffffff00000000000000001916600160401b63ffffffff871602178155611b328b611ed3565b868381518110611b4457611b4461348c565b60200260200101906001600160401b031690816001600160401b031681525050858281518110611b7657611b7661348c565b60200260200101518760e001906001600160401b031690816001600160401b031681525050868b6004015f8b8581518110611bb357611bb361348c565b60209081029190910181015182528181019290925260409081015f208351928401516001600160a01b03908116600160601b9081026001600160601b0395861617835592850151606086015182168402908516176001830155608085015160a0860151909116909202919092161760028083019190915560c083015160038301805460e08601516101008088015163ffffffff166901000000000000000000026cffffffff000000000000000000196001600160401b0390931690910268ffffffffffffffff00199515159590951668ffffffffffffffffff199093169290921793909317928316811782556101208601519391926dff00000000000000000000000000199091166dffffffffff000000000000000000199091161790600160681b908490811115611ce757611ce76132d9565b021790555061014091909101518051805160048401805460209384015161ffff908116600160a01b9081026001600160b01b03199384166001600160a01b039687161717909355948401518051600590970180549190950151909516909102931693169290921717905550600101611947565b50805115611d8357611d8360018a016001600160601b036203f480426203f47f01041683612a77565b50509550959350505050565b5f6050821015611da25750610e10919050565b6055821015611db45750612a30919050565b605a821015611dc65750615460919050565b605f821015611dd8575061a8c0919050565b5062015180919050565b919050565b5f8281526003840160205260409020546001600160401b031615611e1e5760405163985816ed60e01b815260040160405180910390fd5b5f8281526003840160209081526040918290208351815492850151938501516001600160a01b0316600160601b026001600160601b0363ffffffff909516600160401b026bffffffffffffffffffffffff199094166001600160401b039283161793909317939093169190911790556007840180549091601091611eaa91600160801b9091041661359a565b91906101000a8154816001600160401b0302191690836001600160401b03160217905550505050565b6008810180546001600160401b0316905f611eed8361359a565b91906101000a8154816001600160401b0302191690836001600160401b03160217905550919050565b828214611ff6575f611f29858585612bb5565b80519091505f831315611f7457825f5b82811015611f6d5781848281518110611f5457611f5461348c565b6020908102919091010180519091019052600101611f39565b5050611fb2565b5f838103905b82811015611faf5781848281518110611f9557611f9561348c565b602090810291909101018051919091039052600101611f7a565b50505b50611fc1600186018583612a77565b60078501546001600160401b031683111561138b575060078401805467ffffffffffffffff19166001600160401b0384161790555b50505050565b61201d60405180606001604052805f81526020015f81526020015f81525090565b60048210612029575f80fd5b5f6040518060800160405280604051806060016040528061012c8152602001600181526020015f815250815260200160405180606001604052806170808152602001600a815260200160038152508152602001604051806060016040528061e10081526020016014815260200160058152508152602001604051806060016040528062015180815260200160288152602001600781525081525090508083600481106120d7576120d761348c565b60200201519392505050565b6001600160a01b0381165f9081526004840160205260408120548061210a8560ff16612d09565b1115612129576040516369f131af60e11b815260040160405180910390fd5b90505b9392505050565b80515f908152600483016020526040812082518291908290612156908790612437565b825460028401546001600160601b038082169750600160601b9091046001600160a01b03169550919250165f8190036121a257604051631cacacff60e11b815260040160405180910390fd5b4281116121c25760405163ce2abcbb60e01b815260040160405180910390fd5b85602001516001600160601b0316856fffffffffffffffffffffffffffffffff161015806122045750602086015160018401546001600160601b039182169116115b156122225760405163724f8deb60e01b815260040160405180910390fd5b85604001516001600160a01b0316846001600160a01b03160361225857604051631247b42760e11b815260040160405180910390fd5b5f6003840154600160681b900460ff166002811115612279576122796132d9565b14801561229e5750815460408701516001600160a01b03908116600160601b90920416145b156122bc57604051631247b42760e11b815260040160405180910390fd5b5f856fffffffffffffffffffffffffffffffff16118015612308575061230686602001516001600160601b0316866fffffffffffffffffffffffffffffffff168860800151612dad565b155b1561232657604051636f5353b160e11b815260040160405180910390fd5b815467ffffffffffffffff19166001600160401b0317825560608601515f9061234f90426132c6565b9050818111156123fc575f6123676202a300836132c6565b84549091506123b7908a9061239390600160401b900463ffffffff166203f4806203f47f919091010490565b6001600160601b03166203f4806203f47f8501046001600160601b03166001611f16565b835463ffffffff909116600160401b026bffffffff00000000000000001990911617835583546001600160601b0382166bffffffffffffffffffffffff199091161784555b50505060208401516040909401516001600160a01b0316600160601b026001600160601b039094169390931760029093019290925592909150565b5f8181526003830160205260408120805490916001600160401b0390911690036113d857604051635672499160e01b815260040160405180910390fd5b80545f90600160401b900463ffffffff16158015906113d85750815442600160401b90910463ffffffff161092915050565b602082015161014083015160808401515f90819081906124cf906001600160601b031685612e1e565b305f90815260208c90526040902092955090935091508115612514578451516001600160a01b03165f90815260208a9052604081206125149183919089908690611836565b821561254657602080860151516001600160a01b03165f908152908a9052604081206125469183919089908790611836565b8315612573576001600160a01b0387165f90815260208a9052604081206125739183919089908890611836565b505050505050505050565b600781018054600160401b90046001600160401b0316906008611eed8361359a565b5f82815260208490526040902054600160601b90046001600160401b0316156125dc57604051637f471e3f60e11b815260040160405180910390fd5b6002830180545f906125f39063ffffffff166135d3565b825463ffffffff9182166101009390930a92830291909202199091161790555f91825260209283526040918290208151815494830151939092015160ff16600160a01b027fffffffffffffffffffffff00ffffffffffffffffffffffffffffffffffffffff6001600160401b03909416600160601b027fffffffffffffffffffffffff00000000000000000000000000000000000000009095166001600160601b03909316929092179390931791909116179055565b5f815f036126b857505f6113d8565b8183606402816126ca576126ca6135bf565b0460640390506113d8565b5f818152600483016020526040812054426001600160601b0390911610158061271757505f8281526005840160205260409020544265ffffffffffff90911610155b8061273c57505f828152600684016020526040902054426001600160601b0390911610155b8061212c575061212c8383612e7b565b80545f90429061276d906201518090600160401b900463ffffffff166132c6565b1092915050565b6001600160a01b0383165f908152600485016020526040902054828110156127af57604051638ac4bc7360e01b815260040160405180910390fd5b8115612832578281036127d16127c9876001015460f01c90565b60ff16612d09565b8110806127e7575085546001600160601b031681105b806127f55750856002015481105b1561281357604051638ac4bc7360e01b815260040160405180910390fd5b6001600160a01b0385165f90815260048701602052604090205561138b565b6001600160a01b0384165f908152600486016020526040902083820390555050505050565b6001600160a01b0382165f908152600484016020526040812080548392906128809084906132c6565b9091555050505050565b5f818310612898578161212c565b5090919050565b6060818311156128c25760405163d571362560e01b815260040160405180910390fd5b82820360f08111156128e75760405163d571362560e01b815260040160405180910390fd5b5f816001600160401b0381111561290057612900612f83565b604051908082528060200260200182016040528015612929578160200160208202803683370190505b5090505f808061294260f0895b06600a80820492910690565b5f82815260208c90526040902054919350915062ffffff601883021b895b898110156129c057602086019550818316601885021c868801528160181b9150600184019350600181019050600a84036129bb5761299f60f082612936565b5f82815260208f905260409020549196509450925062ffffff91505b612960565b50949a9950505050505050505050565b5f818152600384016020526040812080549091906001600160401b03168103612a0c57604051635672499160e01b815260040160405180910390fd5b612a1582612474565b15612a3357604051631d80cfbf60e21b815260040160405180910390fd5b505f828152602084905260409020805482546001600160401b03908116600160601b909204161461182e57604051633c3ca9d760e11b815260040160405180910390fd5b805160f0811115612a9b5760405163d571362560e01b815260040160405180910390fd5b612aa6815f19613479565b831115612ac65760405163d571362560e01b815260040160405180910390fd5b5f80612ad360f086612936565b5f8281526020898152604090912054600190960181029592945090925062ffffff601884021b19905b85811015612b9b578681015162ffffff811115612b2c576040516369600fad60e11b815260040160405180910390fd5b80601886021b808486161794505060018501945062ffffff601886021b199250600a8503612b92575f86815260208b81526040909120859055612b759060f09084048b01612936565b5f82815260208d905260409020549197509550935062ffffff1992505b50602001612afc565b50505f928352602096909652506040902093909355505050565b60078301546060906001600160401b03165f81841015612bd757839150612bdc565b508083035b81851015612cb257805f03612c0057612bf960018701868461289f565b9250612d00565b848203612c0d82826132c6565b6001600160401b03811115612c2457612c24612f83565b604051908082528060200260200182016040528015612c4d578160200160208202803683370190505b5093505f612c5f60018901888661289f565b90505f5b82811015612caa57818181518110612c7d57612c7d61348c565b6020026020010151868281518110612c9757612c9761348c565b6020908102919091010152600101612c63565b505050612d00565b612cbc8585613479565b6001600160401b03811115612cd357612cd3612f83565b604051908082528060200260200182016040528015612cfc578160200160208202803683370190505b5092505b50509392505050565b5f60088210612d16575f80fd5b8160018114612d545760028114612d5e5760038114612d695760048114612d745760058114612d7f5760068114612d8a5760078114612d9557612d9d565b6175309150612d9d565b620186a09150612d9d565b620493e09150612d9d565b620f42409150612d9d565b622dc6c09150612d9d565b629896809150612d9d565b6301c9c38091505b50670de0b6b3a764000002919050565b5f806064612dbb84866132ed565b612dc591906135eb565b90506001811015612dd4575060015b612dde81856132c6565b851015612dee575f91505061212c565b5f612dfa6064876135eb565b90506001811015612e09575060015b612e1381876135fe565b159695505050505050565b5f805f61271084602001516020015161ffff1686612e3c91906132ed565b612e4691906135eb565b84516020015190925061271090612e619061ffff16876132ed565b612e6b91906135eb565b9050808286030392509250925092565b5f81815260068301602052604081206002810154600160a01b90046001600160401b031615801590612eb8575060028101546001600160a01b0316155b8015612ed35750612ed1612ecc8585612437565b612474565b155b949350505050565b60408051610160810182525f80825260208201819052918101829052606081018290526080810182905260a0810182905260c0810182905260e081018290526101008101829052906101208201908152602001612f68604080516080810182525f818301818152606083018290528252825180840190935280835260208381019190915290919082015290565b905290565b80356001600160a01b0381168114611de2575f80fd5b634e487b7160e01b5f52604160045260245ffd5b5f82601f830112612fa6575f80fd5b813560206001600160401b0380831115612fc257612fc2612f83565b8260051b604051601f19603f83011681018181108482111715612fe757612fe7612f83565b604052938452858101830193838101925087851115613004575f80fd5b83870191505b848210156130235781358352918301919083019061300a565b979650505050505050565b5f805f805f805f80610100898b031215613046575f80fd5b88359750602089013596506040890135955061306460608a01612f6d565b945061307260808a01612f6d565b935060a08901356001600160401b0381111561308c575f80fd5b6130988b828c01612f97565b9350506130a760c08a01612f6d565b915060e089013590509295985092959890939650565b5f805f805f805f805f6101208a8c0312156130d6575f80fd5b8935985060208a0135975060408a013596506130f460608b01612f6d565b955061310260808b01612f6d565b945060a08a01356001600160401b0381111561311c575f80fd5b6131288c828d01612f97565b94505060c08a0135925061313e60e08b01612f6d565b91506101008a013590509295985092959850929598565b5f805f805f805f80610100898b03121561316d575f80fd5b88359750602089013596506040890135955061318b60608a01612f6d565b945061319960808a01612f6d565b935060a08901356001600160401b038111156131b3575f80fd5b6131bf8b828c01612f97565b9350506131ce60c08a01612f6d565b915060e08901356001600160601b03811681146131e9575f80fd5b809150509295985092959890939650565b5f805f805f805f60e0888a031215613210575f80fd5b873596506020880135955061322760408901612f6d565b945061323560608901612f6d565b9699959850939660808101359560a0820135955060c0909101359350915050565b5f805f8060808587031215613269575f80fd5b843593506020850135925061328060408601612f6d565b915060608501356001600160401b0381111561329a575f80fd5b6132a687828801612f97565b91505092959194509250565b634e487b7160e01b5f52601160045260245ffd5b808201808211156113d8576113d86132b2565b634e487b7160e01b5f52602160045260245ffd5b80820281158282048414176113d8576113d86132b2565b5f8151808452602080850194508084015f5b8381101561333b5781516001600160401b031687529582019590820190600101613316565b509495945050505050565b5f8151808452602080850194508084015f5b8381101561333b57815187529582019590820190600101613358565b6003811061339057634e487b7160e01b5f52602160045260245ffd5b9052565b6133b682825180516001600160a01b0316825260209081015161ffff16910152565b60209081015180516001600160a01b03166040840152015161ffff16606090910152565b5f6101808083526133ed8184018d613304565b90508281036020840152613401818c613346565b915050613411604083018a613374565b61341e6060830189613394565b6001600160a01b039690961660e08201526101008101949094526001600160601b039290921661012084015277ffffffffffffffffffffffffffffffffffffffffffffffff1661014083015261016090910152949350505050565b818103818111156113d8576113d86132b2565b634e487b7160e01b5f52603260045260245ffd5b634e487b7160e01b5f52603160045260245ffd5b5f6101808083526134c78184018d613304565b905082810360208401526134db818c613346565b9150506134eb604083018a613374565b6134f86060830189613394565b6001600160a01b039690961660e08201526001600160601b039485166101008201529290931661012083015263ffffffff166101408201526101600152949350505050565b6001600160601b0382811682821603908082111561355d5761355d6132b2565b5092915050565b5f6001600160401b0382168061357c5761357c6132b2565b5f190192915050565b5f81613593576135936132b2565b505f190190565b5f6001600160401b038083168181036135b5576135b56132b2565b6001019392505050565b634e487b7160e01b5f52601260045260245ffd5b5f63ffffffff8083168181036135b5576135b56132b2565b5f826135f9576135f96135bf565b500490565b5f8261360c5761360c6135bf565b50069056fea164736f6c6343000814000a