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// SPDX-License-Identifier: BUSL-1.1

pragma solidity 0.8.18;

import {IERC20Upgradeable, SafeERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol";
import {IERC721Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";
import {OwnableUpgradeable} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import {ReentrancyGuardUpgradeable} from "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
import {PausableUpgradeable} from "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";

import {INftVault} from "./interfaces/INftVault.sol";
import {IStakeManager} from "./interfaces/IStakeManager.sol";
import {INftPool, IStakedNft, IApeCoinStaking} from "./interfaces/INftPool.sol";
import {ICoinPool} from "./interfaces/ICoinPool.sol";
import {IBNFTRegistry} from "./interfaces/IBNFTRegistry.sol";
import {IAddressProviderV2, IPoolLensV2} from "./interfaces/IBendV2Interfaces.sol";

contract BendNftPool is INftPool, OwnableUpgradeable, PausableUpgradeable, ReentrancyGuardUpgradeable {
    using SafeERC20Upgradeable for IERC20Upgradeable;
    using SafeERC20Upgradeable for ICoinPool;
    uint256 private constant APE_COIN_PRECISION = 1e18;
    uint private constant MODULEID__POOL_LENS = 4;

    IApeCoinStaking public apeCoinStaking;
    IERC20Upgradeable public apeCoin;
    mapping(address => PoolState) public poolStates;
    IStakeManager public override staker;
    ICoinPool public coinPool;
    address public bayc;
    address public mayc;
    address public bakc;
    IBNFTRegistry public bnftRegistry;
    IAddressProviderV2 public v2AddressProvider;
    address public v2PoolManager;
    IPoolLensV2 public v2PoolLens;

    modifier onlyApe(address nft_) {
        require(bayc == nft_ || mayc == nft_ || bakc == nft_, "BendNftPool: not ape");
        _;
    }

    modifier onlyApes(address[] calldata nfts_) {
        address nft_;
        for (uint256 i = 0; i < nfts_.length; i++) {
            nft_ = nfts_[i];
            require(bayc == nft_ || mayc == nft_ || bakc == nft_, "BendNftPool: not ape");
        }
        _;
    }

    modifier onlyStaker() {
        require(msg.sender == address(staker), "BendNftPool: caller is not staker");
        _;
    }

    function initialize(
        IBNFTRegistry bnftRegistry_,
        IApeCoinStaking apeStaking_,
        ICoinPool coinPool_,
        IStakeManager staker_,
        IStakedNft stBayc_,
        IStakedNft stMayc_,
        IStakedNft stBakc_
    ) external initializer {
        __Ownable_init();
        __Pausable_init();
        __ReentrancyGuard_init();

        apeCoinStaking = apeStaking_;

        staker = staker_;
        coinPool = coinPool_;
        bnftRegistry = bnftRegistry_;

        bayc = stBayc_.underlyingAsset();
        mayc = stMayc_.underlyingAsset();
        bakc = stBakc_.underlyingAsset();
        poolStates[bayc].stakedNft = stBayc_;
        poolStates[mayc].stakedNft = stMayc_;
        poolStates[bakc].stakedNft = stBakc_;

        apeCoin = IERC20Upgradeable(apeCoinStaking.apeCoin());
        apeCoin.approve(address(coinPool), type(uint256).max);
    }

    function deposit(
        address[] calldata nfts_,
        uint256[][] calldata tokenIds_
    ) external override onlyApes(nfts_) nonReentrant whenNotPaused {
        address nft_;
        uint256 tokenId_;
        PoolState storage pool_;

        _checkDuplicateNfts(nfts_);
        _checkDuplicateTokenIds(tokenIds_);

        for (uint256 i = 0; i < nfts_.length; i++) {
            nft_ = nfts_[i];
            pool_ = poolStates[nft_];
            _compoundApeCoin(pool_);
            require(tokenIds_[i].length > 0, "BendNftPool: empty tokenIds");
            for (uint256 j = 0; j < tokenIds_[i].length; j++) {
                tokenId_ = tokenIds_[i][j];
                IERC721Upgradeable(nft_).safeTransferFrom(msg.sender, address(staker), tokenId_);
                pool_.rewardsDebt[tokenId_] = pool_.accumulatedRewardsPerNft;
            }
            staker.mintStNft(pool_.stakedNft, msg.sender, tokenIds_[i]);
            emit NftDeposited(nft_, tokenIds_[i], msg.sender);
        }
    }

    function withdraw(
        address[] calldata nfts_,
        uint256[][] calldata tokenIds_
    ) external override onlyApes(nfts_) nonReentrant whenNotPaused {
        _checkDuplicateNfts(nfts_);
        _checkDuplicateTokenIds(tokenIds_);

        uint32[][] memory v2PoolIds_ = new uint32[][](0);
        _claim(msg.sender, msg.sender, nfts_, tokenIds_, v2PoolIds_);

        PoolState storage pool_;
        uint256 tokenId_;
        address nft_;

        for (uint256 i = 0; i < nfts_.length; i++) {
            require(tokenIds_[i].length > 0, "BendNftPool: empty tokenIds");
            nft_ = nfts_[i];
            pool_ = poolStates[nft_];
            for (uint256 j = 0; j < tokenIds_[i].length; j++) {
                tokenId_ = tokenIds_[i][j];
                pool_.stakedNft.safeTransferFrom(msg.sender, address(this), tokenId_);
            }

            pool_.stakedNft.burn(tokenIds_[i]);

            for (uint256 j = 0; j < tokenIds_[i].length; j++) {
                tokenId_ = tokenIds_[i][j];
                IERC721Upgradeable(pool_.stakedNft.underlyingAsset()).safeTransferFrom(
                    address(this),
                    msg.sender,
                    tokenId_
                );
                delete pool_.rewardsDebt[tokenId_];
            }

            emit NftWithdrawn(nft_, tokenIds_[i], msg.sender);
        }
    }

    function _claim(
        address owner_,
        address receiver_,
        address[] calldata nfts_,
        uint256[][] calldata tokenIds_,
        uint32[][] memory v2PoolIds_
    ) internal {
        address nft_;
        PoolState storage pool_;
        uint256 tokenId_;
        uint256 claimableShares;
        uint256 totalClaimableShares;
        address tokenOwner_;

        for (uint256 i = 0; i < nfts_.length; i++) {
            require(tokenIds_[i].length > 0, "BendNftPool: empty tokenIds");
            if (v2PoolIds_.length > 0) {
                require(v2PoolIds_[i].length == tokenIds_[i].length, "BendNftPool: invalid v2PoolIds");
            }
            nft_ = nfts_[i];
            pool_ = poolStates[nft_];
            (address bnftProxy, ) = bnftRegistry.getBNFTAddresses(address(pool_.stakedNft));
            claimableShares = 0;

            _compoundApeCoin(pool_);

            for (uint256 j = 0; j < tokenIds_[i].length; j++) {
                tokenId_ = tokenIds_[i][j];
                tokenOwner_ = pool_.stakedNft.ownerOf(tokenId_);
                if (tokenOwner_ != owner_ && bnftProxy != address(0) && tokenOwner_ == bnftProxy) {
                    tokenOwner_ = IERC721Upgradeable(bnftProxy).ownerOf(tokenId_);
                }
                // special case for stNFT deposited in v2 protocol
                if (v2PoolIds_.length > 0) {
                    if (
                        tokenOwner_ != owner_ &&
                        address(v2PoolManager) != address(0) &&
                        tokenOwner_ == address(v2PoolManager)
                    ) {
                        (tokenOwner_, , ) = v2PoolLens.getERC721TokenData(
                            v2PoolIds_[i][j],
                            address(pool_.stakedNft),
                            tokenId_
                        );
                    }
                }
                require(tokenOwner_ == owner_, "BendNftPool: invalid token owner");
                require(pool_.stakedNft.stakerOf(tokenId_) == address(staker), "BendNftPool: invalid token staker");

                claimableShares += _calculateRewards(pool_.accumulatedRewardsPerNft, pool_.rewardsDebt[tokenId_]);
                // set token rewards debt with pool index
                pool_.rewardsDebt[tokenId_] = pool_.accumulatedRewardsPerNft;
            }
            if (claimableShares > 0) {
                emit NftRewardClaimed(
                    nft_,
                    tokenIds_[i],
                    receiver_,
                    coinPool.previewRedeem(claimableShares),
                    pool_.accumulatedRewardsPerNft
                );
            }

            totalClaimableShares += claimableShares;
        }

        if (totalClaimableShares > 0) {
            coinPool.redeem(totalClaimableShares, receiver_, address(this));
        }
    }

    function claim(
        address[] calldata nfts_,
        uint256[][] calldata tokenIds_
    ) external override onlyApes(nfts_) nonReentrant whenNotPaused {
        _checkDuplicateNfts(nfts_);
        _checkDuplicateTokenIds(tokenIds_);

        uint32[][] memory v2PoolIds_ = new uint32[][](0);

        _claim(msg.sender, msg.sender, nfts_, tokenIds_, v2PoolIds_);
    }

    function claimForBendV2(
        address[] calldata nfts_,
        uint256[][] calldata tokenIds_,
        uint32[][] calldata v2PoolIds_
    ) external onlyApes(nfts_) nonReentrant whenNotPaused {
        _checkDuplicateNfts(nfts_);
        _checkDuplicateTokenIds(tokenIds_);

        _claim(msg.sender, msg.sender, nfts_, tokenIds_, v2PoolIds_);
    }

    function receiveApeCoin(address nft_, uint256 rewardsAmount_) external override onlyApe(nft_) onlyStaker {
        apeCoin.safeTransferFrom(msg.sender, address(this), rewardsAmount_);
        poolStates[nft_].pendingApeCoin += rewardsAmount_;
        if (rewardsAmount_ > 0) {
            emit NftRewardDistributed(nft_, rewardsAmount_);
        }
    }

    function _compoundApeCoin(PoolState storage pool_) internal {
        uint256 rewardsAmount_ = pool_.pendingApeCoin;
        if (rewardsAmount_ == 0) {
            return;
        }

        uint256 supply = pool_.stakedNft.totalStaked(address(staker));
        uint256 accumulatedShare = coinPool.deposit(rewardsAmount_, address(this));

        pool_.pendingApeCoin = 0;

        // In extreme cases all nft give up the earned rewards and exit
        if (supply > 0) {
            pool_.accumulatedRewardsPerNft = _calculatePoolIndex(
                pool_.accumulatedRewardsPerNft,
                accumulatedShare,
                supply
            );
        }
    }

    function compoundApeCoin(address nft_) external override onlyApe(nft_) onlyStaker {
        _compoundApeCoin(poolStates[nft_]);
    }

    function pendingApeCoin(address nft_) external view returns (uint256) {
        return poolStates[nft_].pendingApeCoin;
    }

    function claimable(
        address[] calldata nfts_,
        uint256[][] calldata tokenIds_
    ) external view override onlyApes(nfts_) returns (uint256 amount) {
        PoolState storage pool_;
        address nft_;
        uint256 accumulatedRewardsPerNft_;

        _checkDuplicateNfts(nfts_);
        _checkDuplicateTokenIds(tokenIds_);

        for (uint256 i = 0; i < nfts_.length; i++) {
            nft_ = nfts_[i];
            pool_ = poolStates[nft_];
            accumulatedRewardsPerNft_ = pool_.accumulatedRewardsPerNft;
            if (pool_.stakedNft.totalStaked(address(staker)) > 0) {
                accumulatedRewardsPerNft_ = _calculatePoolIndex(
                    accumulatedRewardsPerNft_,
                    coinPool.previewDeposit(pool_.pendingApeCoin),
                    pool_.stakedNft.totalStaked(address(staker))
                );
            }

            for (uint256 j = 0; j < tokenIds_[i].length; j++) {
                amount += _calculateRewards(accumulatedRewardsPerNft_, pool_.rewardsDebt[tokenIds_[i][j]]);
            }
        }
        if (amount != 0) {
            amount = coinPool.previewRedeem(amount);
        }
    }

    function _calculateRewards(
        uint256 accumulatedRewardsPerNft,
        uint256 rewardDebt
    ) internal pure returns (uint256 rewards) {
        if (accumulatedRewardsPerNft > rewardDebt) {
            rewards = (accumulatedRewardsPerNft - rewardDebt) / APE_COIN_PRECISION;
        }
    }

    function _calculatePoolIndex(
        uint256 accumulatedRewardsPerNft,
        uint256 accumulatedShare,
        uint256 nftSupply
    ) internal pure returns (uint256 rewards) {
        return accumulatedRewardsPerNft + ((accumulatedShare * APE_COIN_PRECISION) / nftSupply);
    }

    function _checkDuplicateNfts(address[] calldata nfts_) internal pure {
        for (uint256 i = 0; i < nfts_.length; i++) {
            for (uint256 j = i + 1; j < nfts_.length; j++) {
                require(nfts_[i] != nfts_[j], "BendNftPool: duplicate nfts");
            }
        }
    }

    function _checkDuplicateTokenIds(uint256[][] calldata tokenIds_) internal pure {
        for (uint256 i = 0; i < tokenIds_.length; i++) {
            for (uint256 j = 0; j < tokenIds_[i].length; j++) {
                for (uint256 k = j + 1; k < tokenIds_[i].length; k++) {
                    require(tokenIds_[i][j] != tokenIds_[i][k], "BendNftPool: duplicate tokenIds");
                }
            }
        }
    }

    function getPoolStateUI(address nft_) external view returns (PoolUI memory poolUI) {
        PoolState storage pool = poolStates[nft_];
        poolUI.totalStakedNft = pool.stakedNft.totalStaked(address(staker));
        poolUI.accumulatedRewardsPerNft = pool.accumulatedRewardsPerNft;
        poolUI.pendingApeCoin = pool.pendingApeCoin;
    }

    function getNftStateUI(address nft_, uint256 tokenId) external view returns (uint256 rewardsDebt) {
        PoolState storage pool = poolStates[nft_];
        rewardsDebt = pool.rewardsDebt[tokenId];
    }

    function onERC721Received(
        address /*operator*/,
        address /*from*/,
        uint256 /*tokenId*/,
        bytes calldata /*data*/
    ) external view returns (bytes4) {
        bool isValidNFT = (bayc == msg.sender || mayc == msg.sender || bakc == msg.sender);
        if (!isValidNFT) {
            isValidNFT = (address(poolStates[bayc].stakedNft) == msg.sender ||
                address(poolStates[mayc].stakedNft) == msg.sender ||
                address(poolStates[bakc].stakedNft) == msg.sender);
        }
        require(isValidNFT, "BendNftPool: not ape nft");
        return this.onERC721Received.selector;
    }

    function setPause(bool flag) public onlyOwner {
        if (flag) {
            _pause();
        } else {
            _unpause();
        }
    }

    function setV2AddressProvider(address v2Provider_) public onlyOwner {
        v2AddressProvider = IAddressProviderV2(v2Provider_);
        v2PoolManager = v2AddressProvider.getPoolManager();
        v2PoolLens = IPoolLensV2(v2AddressProvider.getPoolModuleProxy(MODULEID__POOL_LENS));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    function __Ownable_init() internal onlyInitializing {
        __Ownable_init_unchained();
    }

    function __Ownable_init_unchained() internal onlyInitializing {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (interfaces/IERC4626.sol)

pragma solidity ^0.8.0;

import "../token/ERC20/IERC20Upgradeable.sol";
import "../token/ERC20/extensions/IERC20MetadataUpgradeable.sol";

/**
 * @dev Interface of the ERC4626 "Tokenized Vault Standard", as defined in
 * https://eips.ethereum.org/EIPS/eip-4626[ERC-4626].
 *
 * _Available since v4.7._
 */
interface IERC4626Upgradeable is IERC20Upgradeable, IERC20MetadataUpgradeable {
    event Deposit(address indexed sender, address indexed owner, uint256 assets, uint256 shares);

    event Withdraw(
        address indexed sender,
        address indexed receiver,
        address indexed owner,
        uint256 assets,
        uint256 shares
    );

    /**
     * @dev Returns the address of the underlying token used for the Vault for accounting, depositing, and withdrawing.
     *
     * - MUST be an ERC-20 token contract.
     * - MUST NOT revert.
     */
    function asset() external view returns (address assetTokenAddress);

    /**
     * @dev Returns the total amount of the underlying asset that is “managed” by Vault.
     *
     * - SHOULD include any compounding that occurs from yield.
     * - MUST be inclusive of any fees that are charged against assets in the Vault.
     * - MUST NOT revert.
     */
    function totalAssets() external view returns (uint256 totalManagedAssets);

    /**
     * @dev Returns the amount of shares that the Vault would exchange for the amount of assets provided, in an ideal
     * scenario where all the conditions are met.
     *
     * - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
     * - MUST NOT show any variations depending on the caller.
     * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
     * - MUST NOT revert.
     *
     * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
     * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
     * from.
     */
    function convertToShares(uint256 assets) external view returns (uint256 shares);

    /**
     * @dev Returns the amount of assets that the Vault would exchange for the amount of shares provided, in an ideal
     * scenario where all the conditions are met.
     *
     * - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
     * - MUST NOT show any variations depending on the caller.
     * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
     * - MUST NOT revert.
     *
     * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
     * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
     * from.
     */
    function convertToAssets(uint256 shares) external view returns (uint256 assets);

    /**
     * @dev Returns the maximum amount of the underlying asset that can be deposited into the Vault for the receiver,
     * through a deposit call.
     *
     * - MUST return a limited value if receiver is subject to some deposit limit.
     * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited.
     * - MUST NOT revert.
     */
    function maxDeposit(address receiver) external view returns (uint256 maxAssets);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given
     * current on-chain conditions.
     *
     * - MUST return as close to and no more than the exact amount of Vault shares that would be minted in a deposit
     *   call in the same transaction. I.e. deposit should return the same or more shares as previewDeposit if called
     *   in the same transaction.
     * - MUST NOT account for deposit limits like those returned from maxDeposit and should always act as though the
     *   deposit would be accepted, regardless if the user has enough tokens approved, etc.
     * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by depositing.
     */
    function previewDeposit(uint256 assets) external view returns (uint256 shares);

    /**
     * @dev Mints shares Vault shares to receiver by depositing exactly amount of underlying tokens.
     *
     * - MUST emit the Deposit event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
     *   deposit execution, and are accounted for during deposit.
     * - MUST revert if all of assets cannot be deposited (due to deposit limit being reached, slippage, the user not
     *   approving enough underlying tokens to the Vault contract, etc).
     *
     * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
     */
    function deposit(uint256 assets, address receiver) external returns (uint256 shares);

    /**
     * @dev Returns the maximum amount of the Vault shares that can be minted for the receiver, through a mint call.
     * - MUST return a limited value if receiver is subject to some mint limit.
     * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted.
     * - MUST NOT revert.
     */
    function maxMint(address receiver) external view returns (uint256 maxShares);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given
     * current on-chain conditions.
     *
     * - MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call
     *   in the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the
     *   same transaction.
     * - MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint
     *   would be accepted, regardless if the user has enough tokens approved, etc.
     * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by minting.
     */
    function previewMint(uint256 shares) external view returns (uint256 assets);

    /**
     * @dev Mints exactly shares Vault shares to receiver by depositing amount of underlying tokens.
     *
     * - MUST emit the Deposit event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the mint
     *   execution, and are accounted for during mint.
     * - MUST revert if all of shares cannot be minted (due to deposit limit being reached, slippage, the user not
     *   approving enough underlying tokens to the Vault contract, etc).
     *
     * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
     */
    function mint(uint256 shares, address receiver) external returns (uint256 assets);

    /**
     * @dev Returns the maximum amount of the underlying asset that can be withdrawn from the owner balance in the
     * Vault, through a withdraw call.
     *
     * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
     * - MUST NOT revert.
     */
    function maxWithdraw(address owner) external view returns (uint256 maxAssets);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block,
     * given current on-chain conditions.
     *
     * - MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a withdraw
     *   call in the same transaction. I.e. withdraw should return the same or fewer shares as previewWithdraw if
     *   called
     *   in the same transaction.
     * - MUST NOT account for withdrawal limits like those returned from maxWithdraw and should always act as though
     *   the withdrawal would be accepted, regardless if the user has enough shares, etc.
     * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by depositing.
     */
    function previewWithdraw(uint256 assets) external view returns (uint256 shares);

    /**
     * @dev Burns shares from owner and sends exactly assets of underlying tokens to receiver.
     *
     * - MUST emit the Withdraw event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
     *   withdraw execution, and are accounted for during withdraw.
     * - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner
     *   not having enough shares, etc).
     *
     * Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
     * Those methods should be performed separately.
     */
    function withdraw(
        uint256 assets,
        address receiver,
        address owner
    ) external returns (uint256 shares);

    /**
     * @dev Returns the maximum amount of Vault shares that can be redeemed from the owner balance in the Vault,
     * through a redeem call.
     *
     * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
     * - MUST return balanceOf(owner) if owner is not subject to any withdrawal limit or timelock.
     * - MUST NOT revert.
     */
    function maxRedeem(address owner) external view returns (uint256 maxShares);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block,
     * given current on-chain conditions.
     *
     * - MUST return as close to and no more than the exact amount of assets that would be withdrawn in a redeem call
     *   in the same transaction. I.e. redeem should return the same or more assets as previewRedeem if called in the
     *   same transaction.
     * - MUST NOT account for redemption limits like those returned from maxRedeem and should always act as though the
     *   redemption would be accepted, regardless if the user has enough shares, etc.
     * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToAssets and previewRedeem SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by redeeming.
     */
    function previewRedeem(uint256 shares) external view returns (uint256 assets);

    /**
     * @dev Burns exactly shares from owner and sends assets of underlying tokens to receiver.
     *
     * - MUST emit the Withdraw event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
     *   redeem execution, and are accounted for during redeem.
     * - MUST revert if all of shares cannot be redeemed (due to withdrawal limit being reached, slippage, the owner
     *   not having enough shares, etc).
     *
     * NOTE: some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
     * Those methods should be performed separately.
     */
    function redeem(
        uint256 shares,
        address receiver,
        address owner
    ) external returns (uint256 assets);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../token/ERC721/extensions/IERC721EnumerableUpgradeable.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../token/ERC721/extensions/IERC721MetadataUpgradeable.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC721Receiver.sol)

pragma solidity ^0.8.0;

import "../token/ERC721/IERC721ReceiverUpgradeable.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.1) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.2;

import "../../utils/AddressUpgradeable.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
     * constructor.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _initialized = 1;
        if (isTopLevelCall) {
            _initializing = true;
        }
        _;
        if (isTopLevelCall) {
            _initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: setting the version to 255 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _initialized = version;
        _initializing = true;
        _;
        _initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized < type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint8) {
        return _initialized;
    }

    /**
     * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
     */
    function _isInitializing() internal view returns (bool) {
        return _initializing;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract PausableUpgradeable is Initializable, ContextUpgradeable {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    function __Pausable_init() internal onlyInitializing {
        __Pausable_init_unchained();
    }

    function __Pausable_init_unchained() internal onlyInitializing {
        _paused = false;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        require(paused(), "Pausable: not paused");
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuardUpgradeable is Initializable {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    function __ReentrancyGuard_init() internal onlyInitializing {
        __ReentrancyGuard_init_unchained();
    }

    function __ReentrancyGuard_init_unchained() internal onlyInitializing {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20PermitUpgradeable {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20Upgradeable.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20MetadataUpgradeable is IERC20Upgradeable {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20Upgradeable {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20Upgradeable.sol";
import "../extensions/draft-IERC20PermitUpgradeable.sol";
import "../../../utils/AddressUpgradeable.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20Upgradeable {
    using AddressUpgradeable for address;

    function safeTransfer(
        IERC20Upgradeable token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20Upgradeable token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20Upgradeable token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20Upgradeable token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20Upgradeable token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    function safePermit(
        IERC20PermitUpgradeable token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20Upgradeable token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721Upgradeable.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721EnumerableUpgradeable is IERC721Upgradeable {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721Upgradeable.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721MetadataUpgradeable is IERC721Upgradeable {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721ReceiverUpgradeable {
    /**
     * @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 v4.8.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721Upgradeable is IERC165Upgradeable {
    /**
     * @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 caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library AddressUpgradeable {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165Upgradeable {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an
 * array of EnumerableSet.
 * ====
 */
library EnumerableSetUpgradeable {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastValue;
                // Update the index for the moved value
                set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        bytes32[] memory store = _values(set._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;

interface IApeCoinStaking {
    struct SingleNft {
        uint32 tokenId;
        uint224 amount;
    }

    struct PairNft {
        uint128 mainTokenId;
        uint128 bakcTokenId;
    }

    struct PairNftDepositWithAmount {
        uint32 mainTokenId;
        uint32 bakcTokenId;
        uint184 amount;
    }
    struct PairNftWithdrawWithAmount {
        uint32 mainTokenId;
        uint32 bakcTokenId;
        uint184 amount;
        bool isUncommit;
    }
    struct Position {
        uint256 stakedAmount;
        int256 rewardsDebt;
    }

    struct Pool {
        uint48 lastRewardedTimestampHour;
        uint16 lastRewardsRangeIndex;
        uint96 stakedAmount;
        uint96 accumulatedRewardsPerShare;
        TimeRange[] timeRanges;
    }

    struct TimeRange {
        uint48 startTimestampHour;
        uint48 endTimestampHour;
        uint96 rewardsPerHour;
        uint96 capPerPosition;
    }

    struct PoolWithoutTimeRange {
        uint48 lastRewardedTimestampHour;
        uint16 lastRewardsRangeIndex;
        uint96 stakedAmount;
        uint96 accumulatedRewardsPerShare;
    }

    struct DashboardStake {
        uint256 poolId;
        uint256 tokenId;
        uint256 deposited;
        uint256 unclaimed;
        uint256 rewards24hr;
        DashboardPair pair;
    }

    struct DashboardPair {
        uint256 mainTokenId;
        uint256 mainTypePoolId;
    }

    struct PoolUI {
        uint256 poolId;
        uint256 stakedAmount;
        TimeRange currentTimeRange;
    }

    struct PairingStatus {
        uint248 tokenId;
        bool isPaired;
    }

    function mainToBakc(uint256 poolId_, uint256 mainTokenId_) external view returns (PairingStatus memory);

    function bakcToMain(uint256 poolId_, uint256 bakcTokenId_) external view returns (PairingStatus memory);

    function nftContracts(uint256 poolId_) external view returns (address);

    function rewardsBy(uint256 poolId_, uint256 from_, uint256 to_) external view returns (uint256, uint256);

    function apeCoin() external view returns (address);

    function getCurrentTimeRangeIndex(Pool memory pool_) external view returns (uint256);

    function getTimeRangeBy(uint256 poolId_, uint256 index_) external view returns (TimeRange memory);

    function getPoolsUI() external view returns (PoolUI memory, PoolUI memory, PoolUI memory, PoolUI memory);

    function getSplitStakes(address address_) external view returns (DashboardStake[] memory);

    function stakedTotal(address addr_) external view returns (uint256);

    function pools(uint256 poolId_) external view returns (PoolWithoutTimeRange memory);

    function nftPosition(uint256 poolId_, uint256 tokenId_) external view returns (Position memory);

    function addressPosition(address addr_) external view returns (Position memory);

    function pendingRewards(uint256 poolId_, address address_, uint256 tokenId_) external view returns (uint256);

    function depositBAYC(SingleNft[] calldata nfts_) external;

    function depositMAYC(SingleNft[] calldata nfts_) external;

    function depositBAKC(
        PairNftDepositWithAmount[] calldata baycPairs_,
        PairNftDepositWithAmount[] calldata maycPairs_
    ) external;

    function depositSelfApeCoin(uint256 amount_) external;

    function claimSelfApeCoin() external;

    function claimBAYC(uint256[] calldata nfts_, address recipient_) external;

    function claimMAYC(uint256[] calldata nfts_, address recipient_) external;

    function claimBAKC(PairNft[] calldata baycPairs_, PairNft[] calldata maycPairs_, address recipient_) external;

    function withdrawBAYC(SingleNft[] calldata nfts_, address recipient_) external;

    function withdrawMAYC(SingleNft[] calldata nfts_, address recipient_) external;

    function withdrawBAKC(
        PairNftWithdrawWithAmount[] calldata baycPairs_,
        PairNftWithdrawWithAmount[] calldata maycPairs_
    ) external;

    function withdrawSelfApeCoin(uint256 amount_) external;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;

interface IAddressProviderV2 {
    function getPoolManager() external view returns (address);

    function getPoolModuleProxy(uint moduleId) external view returns (address);
}

interface IPoolLensV2 {
    function getUserAssetData(
        address user,
        uint32 poolId,
        address asset
    )
        external
        view
        returns (
            uint256 totalCrossSupply,
            uint256 totalIsolateSupply,
            uint256 totalCrossBorrow,
            uint256 totalIsolateBorrow
        );

    function getERC721TokenData(
        uint32 poolId,
        address asset,
        uint256 tokenId
    ) external view returns (address, uint8, address);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;

interface IBNFTRegistry {
    function getBNFTAddresses(address nftAsset) external view returns (address bNftProxy, address bNftImpl);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;

import {IERC4626Upgradeable} from "@openzeppelin/contracts-upgradeable/interfaces/IERC4626Upgradeable.sol";

interface ICoinPool is IERC4626Upgradeable {
    event RewardDistributed(uint256 rewardAmount);

    function mintSelf(uint256 shares) external returns (uint256);

    function depositSelf(uint256 assets) external returns (uint256);

    function withdrawSelf(uint256 assets) external returns (uint256);

    function redeemSelf(uint256 shares) external returns (uint256);

    function pendingApeCoin() external view returns (uint256);

    function assetBalanceOf(address account_) external view returns (uint256);

    function pullApeCoin(uint256 amount_) external;

    function receiveApeCoin(uint256 principalAmount, uint256 rewardsAmount_) external;
}

// SPDX-License-Identifier: CC0-1.0
pragma solidity 0.8.18;

/**
 * @title IDelegateRegistryV2
 * @custom:version 2.0
 * @custom:author foobar (0xfoobar)
 * @notice A standalone immutable registry storing delegated permissions from one address to another
 */
interface IDelegateRegistryV2 {
    /// @notice Delegation type, NONE is used when a delegation does not exist or is revoked
    enum DelegationType {
        NONE,
        ALL,
        CONTRACT,
        ERC721,
        ERC20,
        ERC1155
    }

    /// @notice Struct for returning delegations
    struct Delegation {
        DelegationType type_;
        address to;
        address from;
        bytes32 rights;
        address contract_;
        uint256 tokenId;
        uint256 amount;
    }

    /**
     * -----------  WRITE -----------
     */

    /**
     * @notice Allow the delegate to act on behalf of `msg.sender` for a specific ERC721 token
     * @param to The address to act as delegate
     * @param contract_ The contract whose rights are being delegated
     * @param tokenId The token id to delegate
     * @param rights Specific subdelegation rights granted to the delegate, pass an empty bytestring to encompass all rights
     * @param enable Whether to enable or disable this delegation, true delegates and false revokes
     * @return delegationHash The unique identifier of the delegation
     */
    function delegateERC721(
        address to,
        address contract_,
        uint256 tokenId,
        bytes32 rights,
        bool enable
    ) external payable returns (bytes32 delegationHash);

    /**
     * ----------- ENUMERATIONS -----------
     */

    /**
     * @notice Returns all enabled delegations an address has given out
     * @param from The address to retrieve delegations for
     * @return delegations Array of Delegation structs
     */
    function getOutgoingDelegations(address from) external view returns (Delegation[] memory delegations);

    /**
     * @notice Returns the delegations for a given array of delegation hashes
     * @param delegationHashes is an array of hashes that correspond to delegations
     * @return delegations Array of Delegation structs, return empty structs for nonexistent or revoked delegations
     */
    function getDelegationsFromHashes(
        bytes32[] calldata delegationHashes
    ) external view returns (Delegation[] memory delegations);
}

// SPDX-License-Identifier: CC0-1.0
pragma solidity 0.8.18;

/**
 * @title An immutable registry contract to be deployed as a standalone primitive
 * @dev See EIP-5639, new project launches can read previous cold wallet -> hot wallet delegations
 *      from here and integrate those permissions into their flow
 */
interface IDelegationRegistry {
    /// @notice Delegation type
    enum DelegationType {
        NONE,
        ALL,
        CONTRACT,
        TOKEN
    }

    /// @notice Info about a single delegation, used for onchain enumeration
    struct DelegationInfo {
        DelegationType type_;
        address vault;
        address delegate;
        address contract_;
        uint256 tokenId;
    }

    /// @notice Info about a single contract-level delegation
    struct ContractDelegation {
        address contract_;
        address delegate;
    }

    /// @notice Info about a single token-level delegation
    struct TokenDelegation {
        address contract_;
        uint256 tokenId;
        address delegate;
    }

    /// @notice Emitted when a user delegates their entire wallet
    event DelegateForAll(address vault, address delegate, bool value);

    /// @notice Emitted when a user delegates a specific contract
    event DelegateForContract(address vault, address delegate, address contract_, bool value);

    /// @notice Emitted when a user delegates a specific token
    event DelegateForToken(address vault, address delegate, address contract_, uint256 tokenId, bool value);

    /// @notice Emitted when a user revokes all delegations
    event RevokeAllDelegates(address vault);

    /// @notice Emitted when a user revoes all delegations for a given delegate
    event RevokeDelegate(address vault, address delegate);

    /**
     * -----------  WRITE -----------
     */

    /**
     * @notice Allow the delegate to act on your behalf for all contracts
     * @param delegate The hotwallet to act on your behalf
     * @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
     */
    function delegateForAll(address delegate, bool value) external;

    /**
     * @notice Allow the delegate to act on your behalf for a specific contract
     * @param delegate The hotwallet to act on your behalf
     * @param contract_ The address for the contract you're delegating
     * @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
     */
    function delegateForContract(address delegate, address contract_, bool value) external;

    /**
     * @notice Allow the delegate to act on your behalf for a specific token
     * @param delegate The hotwallet to act on your behalf
     * @param contract_ The address for the contract you're delegating
     * @param tokenId The token id for the token you're delegating
     * @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
     */
    function delegateForToken(address delegate, address contract_, uint256 tokenId, bool value) external;

    /**
     * @notice Revoke all delegates
     */
    function revokeAllDelegates() external;

    /**
     * @notice Revoke a specific delegate for all their permissions
     * @param delegate The hotwallet to revoke
     */
    function revokeDelegate(address delegate) external;

    /**
     * @notice Remove yourself as a delegate for a specific vault
     * @param vault The vault which delegated to the msg.sender, and should be removed
     */
    function revokeSelf(address vault) external;

    /**
     * -----------  READ -----------
     */

    /**
     * @notice Returns all active delegations a given delegate is able to claim on behalf of
     * @param delegate The delegate that you would like to retrieve delegations for
     * @return info Array of DelegationInfo structs
     */
    function getDelegationsByDelegate(address delegate) external view returns (DelegationInfo[] memory);

    /**
     * @notice Returns an array of wallet-level delegates for a given vault
     * @param vault The cold wallet who issued the delegation
     * @return addresses Array of wallet-level delegates for a given vault
     */
    function getDelegatesForAll(address vault) external view returns (address[] memory);

    /**
     * @notice Returns an array of contract-level delegates for a given vault and contract
     * @param vault The cold wallet who issued the delegation
     * @param contract_ The address for the contract you're delegating
     * @return addresses Array of contract-level delegates for a given vault and contract
     */
    function getDelegatesForContract(address vault, address contract_) external view returns (address[] memory);

    /**
     * @notice Returns an array of contract-level delegates for a given vault's token
     * @param vault The cold wallet who issued the delegation
     * @param contract_ The address for the contract holding the token
     * @param tokenId The token id for the token you're delegating
     * @return addresses Array of contract-level delegates for a given vault's token
     */
    function getDelegatesForToken(
        address vault,
        address contract_,
        uint256 tokenId
    ) external view returns (address[] memory);

    /**
     * @notice Returns all contract-level delegations for a given vault
     * @param vault The cold wallet who issued the delegations
     * @return delegations Array of ContractDelegation structs
     */
    function getContractLevelDelegations(address vault) external view returns (ContractDelegation[] memory delegations);

    /**
     * @notice Returns all token-level delegations for a given vault
     * @param vault The cold wallet who issued the delegations
     * @return delegations Array of TokenDelegation structs
     */
    function getTokenLevelDelegations(address vault) external view returns (TokenDelegation[] memory delegations);

    /**
     * @notice Returns true if the address is delegated to act on the entire vault
     * @param delegate The hotwallet to act on your behalf
     * @param vault The cold wallet who issued the delegation
     */
    function checkDelegateForAll(address delegate, address vault) external view returns (bool);

    /**
     * @notice Returns true if the address is delegated to act on your behalf for a token contract or an entire vault
     * @param delegate The hotwallet to act on your behalf
     * @param contract_ The address for the contract you're delegating
     * @param vault The cold wallet who issued the delegation
     */
    function checkDelegateForContract(address delegate, address vault, address contract_) external view returns (bool);

    /**
     * @notice Returns true if the address is delegated to act on your behalf for a specific token, the token's contract or an entire vault
     * @param delegate The hotwallet to act on your behalf
     * @param contract_ The address for the contract you're delegating
     * @param tokenId The token id for the token you're delegating
     * @param vault The cold wallet who issued the delegation
     */
    function checkDelegateForToken(
        address delegate,
        address vault,
        address contract_,
        uint256 tokenId
    ) external view returns (bool);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;
import {IApeCoinStaking} from "./IApeCoinStaking.sol";
import {IStakeManager} from "./IStakeManager.sol";
import {IStakedNft} from "./IStakedNft.sol";

interface INftPool {
    event NftRewardDistributed(address indexed nft, uint256 rewardAmount);

    event NftRewardClaimed(
        address indexed nft,
        uint256[] tokenIds,
        address indexed receiver,
        uint256 amount,
        uint256 rewardsDebt
    );

    event NftDeposited(address indexed nft, uint256[] tokenIds, address indexed owner);

    event NftWithdrawn(address indexed nft, uint256[] tokenIds, address indexed owner);

    struct PoolState {
        IStakedNft stakedNft;
        uint256 accumulatedRewardsPerNft;
        mapping(uint256 => uint256) rewardsDebt;
        uint256 pendingApeCoin;
    }

    struct PoolUI {
        uint256 totalStakedNft;
        uint256 accumulatedRewardsPerNft;
        uint256 pendingApeCoin;
    }

    function claimable(address[] calldata nfts_, uint256[][] calldata tokenIds_) external view returns (uint256);

    function staker() external view returns (IStakeManager);

    function deposit(address[] calldata nfts_, uint256[][] calldata tokenIds_) external;

    function withdraw(address[] calldata nfts_, uint256[][] calldata tokenIds_) external;

    function claim(address[] calldata nfts_, uint256[][] calldata tokenIds_) external;

    function receiveApeCoin(address nft_, uint256 rewardsAmount_) external;

    function compoundApeCoin(address nft_) external;

    function pendingApeCoin(address nft_) external view returns (uint256);

    function getPoolStateUI(address nft_) external view returns (PoolUI memory);

    function getNftStateUI(address nft_, uint256 tokenId) external view returns (uint256 rewardsDebt);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;

import {EnumerableSetUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/structs/EnumerableSetUpgradeable.sol";
import {IERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
import {IERC721ReceiverUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721ReceiverUpgradeable.sol";

import {IApeCoinStaking} from "./IApeCoinStaking.sol";
import {IDelegationRegistry} from "../interfaces/IDelegationRegistry.sol";
import {IDelegateRegistryV2} from "../interfaces/IDelegateRegistryV2.sol";

interface INftVault is IERC721ReceiverUpgradeable {
    event NftDeposited(address indexed nft, address indexed owner, address indexed staker, uint256[] tokenIds);
    event NftWithdrawn(address indexed nft, address indexed owner, address indexed staker, uint256[] tokenIds);

    event SingleNftStaked(address indexed nft, address indexed staker, IApeCoinStaking.SingleNft[] nfts);
    event PairedNftStaked(
        address indexed staker,
        IApeCoinStaking.PairNftDepositWithAmount[] baycPairs,
        IApeCoinStaking.PairNftDepositWithAmount[] maycPairs
    );
    event SingleNftUnstaked(address indexed nft, address indexed staker, IApeCoinStaking.SingleNft[] nfts);
    event PairedNftUnstaked(
        address indexed staker,
        IApeCoinStaking.PairNftWithdrawWithAmount[] baycPairs,
        IApeCoinStaking.PairNftWithdrawWithAmount[] maycPairs
    );

    event SingleNftClaimed(address indexed nft, address indexed staker, uint256[] tokenIds, uint256 rewards);
    event PairedNftClaimed(
        address indexed staker,
        IApeCoinStaking.PairNft[] baycPairs,
        IApeCoinStaking.PairNft[] maycPairs,
        uint256 rewards
    );

    struct NftStatus {
        address owner;
        address staker;
    }

    struct VaultStorage {
        // nft address =>  nft tokenId => nftStatus
        mapping(address => mapping(uint256 => NftStatus)) nfts;
        // nft address => staker address => refund
        mapping(address => mapping(address => Refund)) refunds;
        // nft address => staker address => position
        mapping(address => mapping(address => Position)) positions;
        // nft address => staker address => staking nft tokenId array
        mapping(address => mapping(address => EnumerableSetUpgradeable.UintSet)) stakingTokenIds;
        IApeCoinStaking apeCoinStaking;
        IERC20Upgradeable apeCoin;
        address bayc;
        address mayc;
        address bakc;
        IDelegationRegistry delegationRegistry;
        mapping(address => bool) authorized;
        IDelegateRegistryV2 delegationRegistryV2;
    }

    struct Refund {
        uint256 principal;
        uint256 reward;
    }
    struct Position {
        uint256 stakedAmount;
        int256 rewardsDebt;
    }

    function authorise(address addr_, bool authorized_) external;

    function stakerOf(address nft_, uint256 tokenId_) external view returns (address);

    function ownerOf(address nft_, uint256 tokenId_) external view returns (address);

    function refundOf(address nft_, address staker_) external view returns (Refund memory);

    function positionOf(address nft_, address staker_) external view returns (Position memory);

    function pendingRewards(address nft_, address staker_) external view returns (uint256);

    function totalStakingNft(address nft_, address staker_) external view returns (uint256);

    function stakingNftIdByIndex(address nft_, address staker_, uint256 index_) external view returns (uint256);

    function isStaking(address nft_, address staker_, uint256 tokenId_) external view returns (bool);

    // delegate.cash V1

    function setDelegateCash(address delegate_, address nft_, uint256[] calldata tokenIds, bool value) external;

    function getDelegateCashForToken(
        address nft_,
        uint256[] calldata tokenIds_
    ) external view returns (address[][] memory);

    // delegate.cash V2

    function setDelegateCashV2(address delegate_, address nft_, uint256[] calldata tokenIds, bool value) external;

    function getDelegateCashForTokenV2(
        address nft_,
        uint256[] calldata tokenIds_
    ) external view returns (address[][] memory);

    // deposit nft
    function depositNft(address nft_, uint256[] calldata tokenIds_, address staker_) external;

    // withdraw nft
    function withdrawNft(address nft_, uint256[] calldata tokenIds_) external;

    // staker withdraw ape coin
    function withdrawRefunds(address nft_) external;

    // stake
    function stakeBaycPool(IApeCoinStaking.SingleNft[] calldata nfts_) external;

    function stakeMaycPool(IApeCoinStaking.SingleNft[] calldata nfts_) external;

    function stakeBakcPool(
        IApeCoinStaking.PairNftDepositWithAmount[] calldata baycPairs_,
        IApeCoinStaking.PairNftDepositWithAmount[] calldata maycPairs_
    ) external;

    // unstake
    function unstakeBaycPool(
        IApeCoinStaking.SingleNft[] calldata nfts_,
        address recipient_
    ) external returns (uint256 principal, uint256 rewards);

    function unstakeMaycPool(
        IApeCoinStaking.SingleNft[] calldata nfts_,
        address recipient_
    ) external returns (uint256 principal, uint256 rewards);

    function unstakeBakcPool(
        IApeCoinStaking.PairNftWithdrawWithAmount[] calldata baycPairs_,
        IApeCoinStaking.PairNftWithdrawWithAmount[] calldata maycPairs_,
        address recipient_
    ) external returns (uint256 principal, uint256 rewards);

    // claim rewards
    function claimBaycPool(uint256[] calldata tokenIds_, address recipient_) external returns (uint256 rewards);

    function claimMaycPool(uint256[] calldata tokenIds_, address recipient_) external returns (uint256 rewards);

    function claimBakcPool(
        IApeCoinStaking.PairNft[] calldata baycPairs_,
        IApeCoinStaking.PairNft[] calldata maycPairs_,
        address recipient_
    ) external returns (uint256 rewards);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;

interface IRewardsStrategy {
    function getNftRewardsShare() external view returns (uint256 nftShare);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;

import {IERC721MetadataUpgradeable} from "@openzeppelin/contracts-upgradeable/interfaces/IERC721MetadataUpgradeable.sol";
import {IERC721ReceiverUpgradeable} from "@openzeppelin/contracts-upgradeable/interfaces/IERC721ReceiverUpgradeable.sol";
import {IERC721EnumerableUpgradeable} from "@openzeppelin/contracts-upgradeable/interfaces/IERC721EnumerableUpgradeable.sol";

interface IStakedNft is IERC721MetadataUpgradeable, IERC721ReceiverUpgradeable, IERC721EnumerableUpgradeable {
    event Minted(address indexed to, uint256[] tokenId);
    event Burned(address indexed from, uint256[] tokenId);

    function authorise(address addr_, bool authorized_) external;

    function mint(address to, uint256[] calldata tokenIds) external;

    function burn(uint256[] calldata tokenIds) external;

    /**
     * @dev Returns the staker of the `tokenId` token.
     */
    function stakerOf(uint256 tokenId) external view returns (address);

    /**
     * @dev Returns a token ID owned by `staker` at a given `index` of its token list.
     * Use along with {totalStaked} to enumerate all of ``staker``'s tokens.
     */

    function tokenOfStakerByIndex(address staker, uint256 index) external view returns (uint256);

    /**
     * @dev Returns the total staked amount of tokens for staker.
     */
    function totalStaked(address staker) external view returns (uint256);

    function underlyingAsset() external view returns (address);

    function setBnftRegistry(address bnftRegistry_) external;

    function setDelegateCash(address delegate, uint256[] calldata tokenIds, bool value) external;

    function getDelegateCashForToken(uint256[] calldata tokenIds_) external view returns (address[][] memory);

    function setDelegateCashV2(address delegate, uint256[] calldata tokenIds, bool value) external;

    function getDelegateCashForTokenV2(uint256[] calldata tokenIds_) external view returns (address[][] memory);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;
import {IApeCoinStaking} from "./IApeCoinStaking.sol";
import {IRewardsStrategy} from "./IRewardsStrategy.sol";
import {IWithdrawStrategy} from "./IWithdrawStrategy.sol";
import {IStakedNft} from "./IStakedNft.sol";

interface IStakeManager {
    event FeeRatioChanged(uint256 newRatio);
    event FeeRecipientChanged(address newRecipient);
    event BotAdminChanged(address newAdmin);
    event RewardsStrategyChanged(address nft, address newStrategy);
    event WithdrawStrategyChanged(address newStrategy);
    event Compounded(bool isClaimCoinPool, uint256 claimedNfts);

    function stBayc() external view returns (IStakedNft);

    function stMayc() external view returns (IStakedNft);

    function stBakc() external view returns (IStakedNft);

    function totalStakedApeCoin() external view returns (uint256);

    function totalPendingRewards() external view returns (uint256);

    function totalRefund() external view returns (uint256 principal, uint256 reward);

    function refundOf(address nft_) external view returns (uint256 principal, uint256 reward);

    function stakedApeCoin(uint256 poolId_) external view returns (uint256);

    function pendingRewards(uint256 poolId_) external view returns (uint256);

    function pendingFeeAmount() external view returns (uint256);

    function fee() external view returns (uint256);

    function feeRecipient() external view returns (address);

    function updateFee(uint256 fee_) external;

    function updateFeeRecipient(address recipient_) external;

    // bot
    function updateBotAdmin(address bot_) external;

    // strategy
    function updateRewardsStrategy(address nft_, IRewardsStrategy rewardsStrategy_) external;

    function rewardsStrategies(address nft_) external view returns (IRewardsStrategy);

    function getNftRewardsShare(address nft_) external view returns (uint256 nftShare);

    function updateWithdrawStrategy(IWithdrawStrategy withdrawStrategy_) external;

    function withdrawApeCoin(uint256 required) external returns (uint256);

    function mintStNft(IStakedNft stNft_, address to_, uint256[] calldata tokenIds_) external;

    // staking
    function calculateFee(uint256 rewardsAmount_) external view returns (uint256 feeAmount);

    function stakeApeCoin(uint256 amount_) external;

    function unstakeApeCoin(uint256 amount_) external;

    function claimApeCoin() external;

    function stakeBayc(uint256[] calldata tokenIds_) external;

    function unstakeBayc(uint256[] calldata tokenIds_) external;

    function claimBayc(uint256[] calldata tokenIds_) external;

    function stakeMayc(uint256[] calldata tokenIds_) external;

    function unstakeMayc(uint256[] calldata tokenIds_) external;

    function claimMayc(uint256[] calldata tokenIds_) external;

    function stakeBakc(
        IApeCoinStaking.PairNft[] calldata baycPairs_,
        IApeCoinStaking.PairNft[] calldata maycPairs_
    ) external;

    function unstakeBakc(
        IApeCoinStaking.PairNft[] calldata baycPairs_,
        IApeCoinStaking.PairNft[] calldata maycPairs_
    ) external;

    function claimBakc(
        IApeCoinStaking.PairNft[] calldata baycPairs_,
        IApeCoinStaking.PairNft[] calldata maycPairs_
    ) external;

    function withdrawRefund(address nft_) external;

    function withdrawTotalRefund() external;

    struct NftArgs {
        uint256[] bayc;
        uint256[] mayc;
        IApeCoinStaking.PairNft[] baycPairs;
        IApeCoinStaking.PairNft[] maycPairs;
    }

    struct CompoundArgs {
        bool claimCoinPool;
        NftArgs claim;
        NftArgs unstake;
        NftArgs stake;
        uint256 coinStakeThreshold;
    }

    function compound(CompoundArgs calldata args_) external;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.18;

interface IWithdrawStrategy {
    function withdrawApeCoin(uint256 required) external returns (uint256 withdrawn);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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IERC20Upgradeable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"apeCoinStaking","outputs":[{"internalType":"contract IApeCoinStaking","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bakc","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bayc","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bnftRegistry","outputs":[{"internalType":"contract IBNFTRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"nfts_","type":"address[]"},{"internalType":"uint256[][]","name":"tokenIds_","type":"uint256[][]"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"nfts_","type":"address[]"},{"internalType":"uint256[][]","name":"tokenIds_","type":"uint256[][]"},{"internalType":"uint32[][]","name":"v2PoolIds_","type":"uint32[][]"}],"name":"claimForBendV2","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"nfts_","type":"address[]"},{"internalType":"uint256[][]","name":"tokenIds_","type":"uint256[][]"}],"name":"claimable","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"coinPool","outputs":[{"internalType":"contract ICoinPool","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"nft_","type":"address"}],"name":"compoundApeCoin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"nfts_","type":"address[]"},{"internalType":"uint256[][]","name":"tokenIds_","type":"uint256[][]"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"nft_","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getNftStateUI","outputs":[{"internalType":"uint256","name":"rewardsDebt","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"nft_","type":"address"}],"name":"getPoolStateUI","outputs":[{"components":[{"internalType":"uint256","name":"totalStakedNft","type":"uint256"},{"internalType":"uint256","name":"accumulatedRewardsPerNft","type":"uint256"},{"internalType":"uint256","name":"pendingApeCoin","type":"uint256"}],"internalType":"struct INftPool.PoolUI","name":"poolUI","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IBNFTRegistry","name":"bnftRegistry_","type":"address"},{"internalType":"contract IApeCoinStaking","name":"apeStaking_","type":"address"},{"internalType":"contract ICoinPool","name":"coinPool_","type":"address"},{"internalType":"contract IStakeManager","name":"staker_","type":"address"},{"internalType":"contract IStakedNft","name":"stBayc_","type":"address"},{"internalType":"contract IStakedNft","name":"stMayc_","type":"address"},{"internalType":"contract IStakedNft","name":"stBakc_","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mayc","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC721Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"nft_","type":"address"}],"name":"pendingApeCoin","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"poolStates","outputs":[{"internalType":"contract IStakedNft","name":"stakedNft","type":"address"},{"internalType":"uint256","name":"accumulatedRewardsPerNft","type":"uint256"},{"internalType":"uint256","name":"pendingApeCoin","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"nft_","type":"address"},{"internalType":"uint256","name":"rewardsAmount_","type":"uint256"}],"name":"receiveApeCoin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"flag","type":"bool"}],"name":"setPause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"v2Provider_","type":"address"}],"name":"setV2AddressProvider","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"staker","outputs":[{"internalType":"contract IStakeManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"v2AddressProvider","outputs":[{"internalType":"contract IAddressProviderV2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"v2PoolLens","outputs":[{"internalType":"contract IPoolLensV2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"v2PoolManager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"nfts_","type":"address[]"},{"internalType":"uint256[][]","name":"tokenIds_","type":"uint256[][]"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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