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// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.23;

import "CTokenInterfaces.sol";
import "CErc721TokenInterfaces.sol";
import "CErc20InterestMarketInterfaces.sol";

/**
 * @title Compound's CErc20Delegator Contract
 * @notice CTokens which wrap an EIP-20 underlying and delegate to an implementation
 * @author Compound
 */
contract CErc721Delegator is CTokenInterface, CErc721Interface, CDelegatorInterface {
    error Unauthorized();
    
    /**
     * @notice Construct a new money market
     * @param underlying_ The address of the underlying asset
     * @param comptroller_ The address of the Comptroller
     * @param interestRateModel_ The address of the interest rate model
     * @param initialExchangeRateMantissa_ The initial exchange rate, scaled by 1e18
     * @param name_ ERC-20 name of this token
     * @param symbol_ ERC-20 symbol of this token
     * @param decimals_ ERC-20 decimal precision of this token
     * @param admin_ Address of the administrator of this token
     * @param implementation_ The address of the implementation the contract delegates to
     * @param becomeImplementationData The encoded args for becomeImplementation
     */
    constructor(address underlying_,
                ComptrollerInterface comptroller_,
                InterestRateModel interestRateModel_,
                uint initialExchangeRateMantissa_,
                string memory name_,
                string memory symbol_,
                uint8 decimals_,
                address payable admin_,
                address implementation_,
                bytes memory becomeImplementationData) {
        // Creator of the contract is admin during initialization
        admin = payable(msg.sender);

        // First delegate gets to initialize the delegator (i.e. storage contract)
        delegateTo(implementation_, abi.encodeWithSignature("initialize(address,address,address,uint256,string,string,uint8)",
                                                            underlying_,
                                                            comptroller_,
                                                            interestRateModel_,
                                                            initialExchangeRateMantissa_,
                                                            name_,
                                                            symbol_,
                                                            decimals_));

        // New implementations always get set via the settor (post-initialize)
        _setImplementation(implementation_, false, becomeImplementationData);

        // Set the proper admin now that initialization is done
        admin = admin_;
    }

    /**
     * @notice Called by the admin to update the implementation of the delegator
     * @param implementation_ The address of the new implementation for delegation
     * @param allowResign Flag to indicate whether to call _resignImplementation on the old implementation
     * @param becomeImplementationData The encoded bytes data to be passed to _becomeImplementation
     */
    function _setImplementation(address implementation_, bool allowResign, bytes memory becomeImplementationData) override public {
        if (msg.sender != admin) {
            revert Unauthorized();
        }

        if (allowResign) {
            delegateToImplementation(abi.encodeWithSignature("_resignImplementation()"));
        }

        address oldImplementation = implementation;
        implementation = implementation_;

        delegateToImplementation(abi.encodeWithSignature("_becomeImplementation(bytes)", becomeImplementationData));

        emit NewImplementation(oldImplementation, implementation);
    }

    /**
     * @notice Sender supplies assets into the market and receives cTokens in exchange
     * @dev Accrues interest whether or not the operation succeeds, unless reverted
     * @param nftIds The NFT IDs to supply
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function mint(uint[] memory nftIds) external override returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("mint(uint256[])", nftIds));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Redeems the interest accrued from the supplied assets. Owed interest will also be paid from this amount.
     * @param redeemer The address to redeem the interest for
     *                 If the caller is not the comptroller the sender is the redeemer.
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function redeemInterest(address redeemer) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("redeemInterest(address)", redeemer));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Redeems the interest accrued from the supplied assets. Owed interest will also be paid from this amount.
     * @param redeemer The address to redeem the interest for
     *                 Only the comptroller can call.
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function _redeemInterestForLiquidation(address redeemer) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("_redeemInterestForLiquidation(address)", redeemer));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Sender redeems cTokens in exchange for the underlying asset
     * @dev Accrues interest whether or not the operation succeeds, unless reverted
     * @param redeemTokens The number of cTokens to redeem into underlying
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function redeem(uint redeemTokens) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("redeem(uint256)", redeemTokens));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Sender redeems cTokens in exchange for a specified amount of underlying asset
     * @dev Accrues interest whether or not the operation succeeds, unless reverted
     * @param redeemNFTCount The amount of underlying NFTs to redeem
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function redeemUnderlying(uint redeemNFTCount) external override returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("redeemUnderlying(uint256)", redeemNFTCount));
        return abi.decode(data, (uint));
    }

    /**
      * @notice Sender borrows assets from the protocol to their own address
      * @param borrowNFTCount The amount of underlying NFTs to borrow
      * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
      */
    function borrow(uint borrowNFTCount) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("borrow(uint256)", borrowNFTCount));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Sender repays their own borrow
     * @param nftIds The NFT IDs to be used for the repayment
     * @param repayInterest The min amount of interest to be repaid in interest market units
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function repayBorrow(uint[] memory nftIds, uint repayInterest) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("repayBorrow(uint256[],uint256)", nftIds, repayInterest));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Repays a loan on behalf of another user
     * @param borrower The account with the debt being payed off
     * @param nftIds The NFT IDs to be used for the repayment
     * @param repayInterest The min amount of interest to be repaid in interest market units
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function repayBorrowBehalf(address borrower, uint[] memory nftIds, uint repayInterest) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("repayBorrowBehalf(address,uint256[],uint256)", borrower, nftIds, repayInterest));
        return abi.decode(data, (uint));
    }

    /**
     * @notice The liquidator liquidates the borrowers collateral.
     *         This function can only be called by the Comptroller.
     * @param liquidator The liquidator who called Comptroller::batchLiquidateBorrow
     * @param borrower The borrower of this cToken to be liquidated
     * @param nftIds The NFT IDs of the underlying borrowed asset to repay
     * @return uint The amount of the underlying borrowed asset that was actually repaid
     */
    function _liquidateBorrow(address liquidator, address borrower, uint[] memory nftIds) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("_liquidateBorrow(address,address,uint256[])", liquidator, borrower, nftIds));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Transfer `amount` tokens from `msg.sender` to `dst`
     * @param dst The address of the destination account
     * @param amount The number of tokens to transfer
     * @return Whether or not the transfer succeeded
     */
    function transfer(address dst, uint amount) override external returns (bool) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("transfer(address,uint256)", dst, amount));
        return abi.decode(data, (bool));
    }

    /**
     * @notice Transfer `amount` tokens from `src` to `dst`
     * @param src The address of the source account
     * @param dst The address of the destination account
     * @param amount The number of tokens to transfer
     * @return Whether or not the transfer succeeded
     */
    function transferFrom(address src, address dst, uint256 amount) override external returns (bool) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("transferFrom(address,address,uint256)", src, dst, amount));
        return abi.decode(data, (bool));
    }

    /**
     * @notice Approve `spender` to transfer up to `amount` from `src`
     * @dev This will overwrite the approval amount for `spender`
     *  and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve)
     * @param spender The address of the account which may transfer tokens
     * @param amount The number of tokens that are approved (-1 means infinite)
     * @return Whether or not the approval succeeded
     */
    function approve(address spender, uint256 amount) override external returns (bool) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("approve(address,uint256)", spender, amount));
        return abi.decode(data, (bool));
    }

    /**
     * @notice Get the current allowance from `owner` for `spender`
     * @param owner The address of the account which owns the tokens to be spent
     * @param spender The address of the account which may transfer tokens
     * @return The number of tokens allowed to be spent (-1 means infinite)
     */
    function allowance(address owner, address spender) override external view returns (uint) {
        bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("allowance(address,address)", owner, spender));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Get the token balance of the `owner`
     * @param owner The address of the account to query
     * @return The number of tokens owned by `owner`
     */
    function balanceOf(address owner) override external view returns (uint) {
        bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("balanceOf(address)", owner));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Get the underlying balance of the `owner`
     * @dev This also accrues interest in a transaction
     * @param owner The address of the account to query
     * @return The amount of underlying owned by `owner`
     */
    function balanceOfUnderlying(address owner) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("balanceOfUnderlying(address)", owner));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Accrue interest and return the current supply interest balance of account
     * @param account The address whose balance should be calculated
     * @return uint The calculated supply interest balance
     */
    function supplyInterestCurrent(address account) external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("supplyInterestCurrent(address)", account));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Return the supply interest balance of account based on stored data
     * @param account The address whose balance should be calculated
     * @return uint The calculated supply interest balance
     */
    function supplyInterestStored(address account) external view returns (uint) {
        bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("supplyInterestStored(address)", account));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Accrue interest and return the current borrow balance of account
     * @param account The address whose balance should be calculated
     * @return (uint The calculated balance, uint The interest balance)
     */
    function borrowAndInterestBalanceCurrent(address account) external returns (uint, uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("borrowAndInterestBalanceCurrent(address)", account));
        return abi.decode(data, (uint, uint));
    }

    /**
     * @notice Return the borrow balance of account based on stored data
     * @param account The address whose balance should be calculated
     * @return (uint The calculated balance, uint The interest balance)
     */
    function borrowAndInterestBalanceStored(address account) external view returns (uint, uint) {
        bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("borrowAndInterestBalanceStored(address)", account));
        return abi.decode(data, (uint, uint));
    }

    /**
     * @notice Get a snapshot of the account's balances, and the cached exchange rate
     * @dev This is used by comptroller to more efficiently perform liquidity checks.
     * @param account Address of the account to snapshot
     * @return (possible error, token balance, borrow balance, exchange rate mantissa, borrow interest balance)
     */
    function getAccountSnapshot(address account) override external view returns (uint, uint, uint, uint, uint) {
        bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("getAccountSnapshot(address)", account));
        return abi.decode(data, (uint, uint, uint, uint, uint));
    }

    /**
     * @notice Returns the current per-block borrow interest rate for this cToken
     * @return uint The borrow interest rate per block, scaled by 1e18
     */
    function borrowRatePerBlock() override external view returns (uint) {
        bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("borrowRatePerBlock()"));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Returns the current per-block supply interest rate for this cToken
     * @return uint The supply interest rate per block, scaled by 1e18
     */
    function supplyRatePerBlock() override external view returns (uint) {
        bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("supplyRatePerBlock()"));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Returns the current total borrows plus accrued interest
     * @return uint The total borrows with interest
     */
    function totalBorrowsCurrent() override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("totalBorrowsCurrent()"));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Accrue interest to updated borrowIndex and then calculate account's borrow balance using the updated borrowIndex
     * @param account The address whose balance should be calculated after updating borrowIndex
     * @return uint The calculated balance
     */
    function borrowBalanceCurrent(address account) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("borrowBalanceCurrent(address)", account));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Return the borrow balance of account based on stored data
     * @param account The address whose balance should be calculated
     * @return uint The calculated balance
     */
    function borrowBalanceStored(address account) override public view returns (uint) {
        bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("borrowBalanceStored(address)", account));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Accrue interest then return the up-to-date exchange rate
     * @return uint Calculated exchange rate scaled by 1e18
     */
    function exchangeRateCurrent() override public returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("exchangeRateCurrent()"));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Calculates the exchange rate from the underlying to the CToken
     * @dev This function does not accrue interest before calculating the exchange rate
     * @return uint Calculated exchange rate scaled by 1e18
     */
    function exchangeRateStored() override public view returns (uint) {
        bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("exchangeRateStored()"));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Get cash balance of this cToken in the underlying asset
     * @return uint The quantity of underlying asset owned by this contract
     */
    function getCash() override external view returns (uint) {
        bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("getCash()"));
        return abi.decode(data, (uint));
    }

    /**
      * @notice Applies accrued interest to total borrows and reserves.
      * @dev This calculates interest accrued from the last checkpointed block
      *      up to the current block and writes new checkpoint to storage.
      * @return uint NO_ERROR if interest is up to date, otherwise the current assetExchangeRate.
      */
    function accrueInterest() override public returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("accrueInterest()"));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Transfers collateral tokens (this market) to the liquidator.
     *         This function can only be called by the Comptroller.
     * @param liquidator The account receiving seized collateral
     * @param borrower The account having collateral seized
     * @param seizeTokens The number of cTokens to seize
     * @return uint actual seizeTokens
     */
    function _seize(address liquidator, address borrower, uint seizeTokens) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("_seize(address,address,uint256)", liquidator, borrower, seizeTokens));
        return abi.decode(data, (uint));
    }

    /**
     * @notice A public function to sweep accidental ERC-20 transfers to this contract. Tokens are sent to admin (timelock)
     * @param token The address of the ERC-20 token to sweep
     */
    function sweepToken(EIP20NonStandardInterface token) override external {
        delegateToImplementation(abi.encodeWithSignature("sweepToken(address)", token));
    }

    /**
     * @notice Gets the amount of NFTs held/managed by this contract
     * @return uint The number of NFTs held/managed
     */
    function getNFTsHeld() external view returns (uint) {
        bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("getNFTsHeld()"));
        return abi.decode(data, (uint));
    }


    /*** Admin Functions ***/

    /**
      * @notice Begins transfer of admin rights. The newPendingAdmin must call `_acceptAdmin` to finalize the transfer.
      * @dev Admin function to begin change of admin. The newPendingAdmin must call `_acceptAdmin` to finalize the transfer.
      * @param newPendingAdmin New pending admin.
      * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
      */
    function _setPendingAdmin(address payable newPendingAdmin) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("_setPendingAdmin(address)", newPendingAdmin));
        return abi.decode(data, (uint));
    }

    /**
      * @notice Sets a new comptroller for the market
      * @dev Admin function to set a new comptroller
      * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
      */
    function _setComptroller(ComptrollerInterface newComptroller) override public returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("_setComptroller(address)", newComptroller));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Not supported.
     */
    function _setProtocolSeizeShare(uint newProtocolSeizeShareMantissa) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("_setProtocolSeizeShare(uint256)", newProtocolSeizeShareMantissa));
        return abi.decode(data, (uint));
    }

    /**
      * @notice accrues interest and sets a new reserve factor for the protocol using _setReserveFactorFresh
      * @dev Admin function to accrue interest and set a new reserve factor
      * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
      */
    function _setReserveFactor(uint newReserveFactorMantissa) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("_setReserveFactor(uint256)", newReserveFactorMantissa));
        return abi.decode(data, (uint));
    }

    /**
      * @notice Accepts transfer of admin rights. msg.sender must be pendingAdmin
      * @dev Admin function for pending admin to accept role and update admin
      * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
      */
    function _acceptAdmin() override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("_acceptAdmin()"));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Accrues interest and reduces reserves by transferring to admin
     * @param reduceAmount Amount of reduction to reserves
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function _reduceReserves(uint reduceAmount) override external returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("_reduceReserves(uint256)", reduceAmount));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Accrues interest and updates the interest rate model using _setInterestRateModelFresh
     * @dev Admin function to accrue interest and update the interest rate model
     * @param newInterestRateModel the new interest rate model to use
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function _setInterestRateModel(InterestRateModel newInterestRateModel) override public returns (uint) {
        bytes memory data = delegateToImplementation(abi.encodeWithSignature("_setInterestRateModel(address)", newInterestRateModel));
        return abi.decode(data, (uint));
    }

    /**
     * @notice Internal method to delegate execution to another contract
     * @dev It returns to the external caller whatever the implementation returns or forwards reverts
     * @param callee The contract to delegatecall
     * @param data The raw data to delegatecall
     * @return The returned bytes from the delegatecall
     */
    function delegateTo(address callee, bytes memory data) internal returns (bytes memory) {
        (bool success, bytes memory returnData) = callee.delegatecall(data);

        assembly {
            if eq(success, 0) {
                revert(add(returnData, 0x20), returndatasize())
            }
        }
        return returnData;
    }

    /**
     * @notice Delegates execution to the implementation contract
     * @dev It returns to the external caller whatever the implementation returns or forwards reverts
     * @param data The raw data to delegatecall
     * @return The returned bytes from the delegatecall
     */
    function delegateToImplementation(bytes memory data) public returns (bytes memory) {
        return delegateTo(implementation, data);
    }

    /**
     * @notice Delegates execution to an implementation contract
     * @dev It returns to the external caller whatever the implementation returns or forwards reverts
     *  There are an additional 2 prefix uints from the wrapper returndata, which we ignore since we make an extra hop.
     * @param data The raw data to delegatecall
     * @return The returned bytes from the delegatecall
     */
    function delegateToViewImplementation(bytes memory data) public view returns (bytes memory) {
        (bool success, bytes memory returnData) = address(this).staticcall(abi.encodeWithSignature("delegateToImplementation(bytes)", data));
        assembly {
            if eq(success, 0) {
                revert(add(returnData, 0x20), returndatasize())
            }
        }
        return abi.decode(returnData, (bytes));
    }

    /**
     * @notice Delegates execution to an implementation contract
     * @dev It returns to the external caller whatever the implementation returns or forwards reverts
     */
    fallback() external payable {
        if (msg.value != 0) {
            revert CannotReceiveValueGtZero();
        }

        // delegate all other functions to current implementation
        (bool success, ) = implementation.delegatecall(msg.data);

        assembly {
            let free_mem_ptr := mload(0x40)
            returndatacopy(free_mem_ptr, 0, returndatasize())

            switch success
            case 0 { revert(free_mem_ptr, returndatasize()) }
            default { return(free_mem_ptr, returndatasize()) }
        }
    }
}

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.23;

import "ComptrollerInterface.sol";
import "InterestRateModel.sol";
import "EIP20NonStandardInterface.sol";
import "ErrorReporter.sol";

contract CTokenStorage {
    /**
     * @dev Guard variable for re-entrancy checks
     */
    bool internal _notEntered;

    /**
     * @notice EIP-20 token name for this token
     */
    string public name;

    /**
     * @notice EIP-20 token symbol for this token
     */
    string public symbol;

    /**
     * @notice EIP-20 token decimals for this token
     */
    uint8 public decimals;

    // Maximum borrow rate that can ever be applied (.0005% / block)
    uint internal constant borrowRateMaxMantissa = 0.0005e16;

    // Maximum fraction of interest that can be set aside for reserves
    uint internal constant reserveFactorMaxMantissa = 1e18;

    // Maximum protocol seize share that can be set
    uint internal constant protocolSeizeShareMaxMantissa = 20e16;

    /**
     * @notice Administrator for this contract
     */
    address payable public admin;

    /**
     * @notice Pending administrator for this contract
     */
    address payable public pendingAdmin;

    /**
     * @notice Contract which oversees inter-cToken operations
     */
    ComptrollerInterface public comptroller;

    /**
     * @notice Model which tells what the current interest rate should be
     */
    InterestRateModel public interestRateModel;

    // Initial exchange rate used when minting the first CTokens (used when totalSupply = 0)
    uint internal initialExchangeRateMantissa;

    /**
     * @notice Fraction of interest currently set aside for reserves
     */
    uint public reserveFactorMantissa;

    /**
     * @notice Block number that interest was last accrued at
     */
    uint public accrualBlockNumber;

    /**
     * @notice Accumulator of the total earned interest rate since the opening of the market
     */
    uint public borrowIndex;

    /**
     * @notice Total amount of outstanding borrows of the underlying in this market
     */
    uint public totalBorrows;

    /**
     * @notice Total amount of reserves of the underlying held in this market
     */
    uint public totalReserves;

    /**
     * @notice Total number of tokens in circulation
     */
    uint public totalSupply;

    // Official record of token balances for each account
    mapping (address => uint) internal accountTokens;

    // Approved token transfer amounts on behalf of others
    mapping (address => mapping (address => uint)) internal transferAllowances;

    /**
     * @notice Container for borrow balance information
     * @member principal Total balance (with accrued interest), after applying the most recent balance-changing action
     * @member interestIndex Global borrowIndex as of the most recent balance-changing action
     * @member interestAccrued Total interest accrued for markets that track it separately from borrow balance
     */
    struct BorrowSnapshot {
        uint principal;
        uint interestIndex;
        uint interestAccrued;
    }

    // Mapping of account addresses to outstanding borrow balances
    mapping(address => BorrowSnapshot) internal accountBorrows;

    /**
     * @notice Share of seized collateral that is added to reserves
     */
    uint public protocolSeizeShareMantissa = 2.8e16; //2.8%

    /**
     * @notice MarketType enum
     */
    enum MarketType {
        UNDEFINED_MARKET,
        ERC20_MARKET,
        ERC721_MARKET,
        ERC20_INTEREST_MARKET
    }

    /**
     * @notice Indicates a token market type
     */
    MarketType public marketType;
}

abstract contract CTokenInterface is CTokenStorage {
    /**
     * @notice Indicator that this is a CToken contract (for inspection)
     */
    bool public constant isCToken = true;


    /*** Market Events ***/

    /**
     * @notice Event emitted when interest is accrued
     */
    event AccrueInterest(uint cashPrior, uint interestAccumulated, uint borrowIndex, uint totalBorrows);

    /**
     * @notice Event emitted when tokens are minted
     */
    event Mint(address minter, uint mintAmount, uint mintTokens);

    /**
     * @notice Event emitted when tokens are redeemed
     */
    event Redeem(address redeemer, uint redeemAmount, uint redeemTokens);

    /**
     * @notice Event emitted when underlying is borrowed
     */
    event Borrow(address borrower, uint borrowAmount, uint accountBorrows, uint totalBorrows);

    /**
     * @notice Event emitted when a borrow is repaid
     */
    event RepayBorrow(address payer, address borrower, uint repayAmount, uint accountBorrows, uint totalBorrows);

    /**
     * @notice Event emitted when a borrow is liquidated
     */
    event LiquidateBorrow(address liquidator, address borrower, uint repayAmount);


    /*** Admin Events ***/

    /**
     * @notice Event emitted when pendingAdmin is changed
     */
    event NewPendingAdmin(address oldPendingAdmin, address newPendingAdmin);

    /**
     * @notice Event emitted when pendingAdmin is accepted, which means admin is updated
     */
    event NewAdmin(address oldAdmin, address newAdmin);

    /**
     * @notice Event emitted when comptroller is changed
     */
    event NewComptroller(ComptrollerInterface oldComptroller, ComptrollerInterface newComptroller);

    /**
     * @notice Event emitted when interestRateModel is changed
     */
    event NewMarketInterestRateModel(InterestRateModel oldInterestRateModel, InterestRateModel newInterestRateModel);

    /**
     * @notice Event emitted when the seize share is changed
     */
    event NewProtocolSeizeShare(uint oldProtocolSeizeShareMantissa, uint newProtocolSeizeShareMantissa);

    /**
     * @notice Event emitted when the reserve factor is changed
     */
    event NewReserveFactor(uint oldReserveFactorMantissa, uint newReserveFactorMantissa);

    /**
     * @notice Event emitted when the reserves are added
     */
    event ReservesAdded(address benefactor, uint addAmount, uint newTotalReserves);

    /**
     * @notice Event emitted when the reserves are reduced
     */
    event ReservesReduced(address admin, uint reduceAmount, uint newTotalReserves);

    /**
     * @notice EIP20 Transfer event
     */
    event Transfer(address indexed from, address indexed to, uint amount);

    /**
     * @notice EIP20 Approval event
     */
    event Approval(address indexed owner, address indexed spender, uint amount);


    /*** User Interface ***/

    function transfer(address dst, uint amount) virtual external returns (bool);
    function transferFrom(address src, address dst, uint amount) virtual external returns (bool);
    function approve(address spender, uint amount) virtual external returns (bool);
    function allowance(address owner, address spender) virtual external view returns (uint);
    function balanceOf(address owner) virtual external view returns (uint);
    function balanceOfUnderlying(address owner) virtual external returns (uint);
    function getAccountSnapshot(address account) virtual external view returns (uint, uint, uint, uint, uint);
    function borrowRatePerBlock() virtual external view returns (uint);
    function supplyRatePerBlock() virtual external view returns (uint);
    function totalBorrowsCurrent() virtual external returns (uint);
    function borrowBalanceCurrent(address account) virtual external returns (uint);
    function borrowBalanceStored(address account) virtual external view returns (uint);
    function exchangeRateCurrent() virtual external returns (uint);
    function exchangeRateStored() virtual external view returns (uint);
    function getCash() virtual external view returns (uint);
    function accrueInterest() virtual external returns (uint);
    function _seize(address liquidator, address borrower, uint seizeTokens) virtual external returns (uint);
    function sweepToken(EIP20NonStandardInterface token) virtual external;


    /*** Admin Functions ***/

    function _setPendingAdmin(address payable newPendingAdmin) virtual external returns (uint);
    function _acceptAdmin() virtual external returns (uint);
    function _setComptroller(ComptrollerInterface newComptroller) virtual external returns (uint);
    function _setProtocolSeizeShare(uint newProtocolSeizeShareMantissa) virtual external returns (uint);
    function _setReserveFactor(uint newReserveFactorMantissa) virtual external returns (uint);
    function _reduceReserves(uint reduceAmount) virtual external returns (uint);
    function _setInterestRateModel(InterestRateModel newInterestRateModel) virtual external returns (uint);
}

contract CErc20Storage {
    /**
     * @notice Underlying asset for this CToken
     */
    address public underlying;
}

abstract contract CErc20Interface is CErc20Storage {

    /*** User Interface ***/

    function mint(uint mintAmount) virtual external returns (uint);
    function redeem(uint redeemTokens) virtual external returns (uint);
    function redeemUnderlying(uint redeemAmount) virtual external returns (uint);
    function borrow(uint borrowAmount) virtual external returns (uint);
    function repayBorrow(uint repayAmount) virtual external returns (uint);
    function repayBorrowBehalf(address borrower, uint repayAmount) virtual external returns (uint);
    function _liquidateBorrow(address liquidator, address borrower, uint repayAmount) virtual external returns (uint);

    /*** Admin Functions ***/

    function _addReserves(uint addAmount) virtual external returns (uint);
}

interface IWeth {
    function transferFrom(address src, address dst, uint wad) external;
    function withdraw(uint256 wad) external;
}

abstract contract CEtherInterface is CErc20Storage {

    /*** User Interface ***/

    function mint() virtual external payable;
    function redeem(uint redeemTokens) virtual external returns (uint);
    function redeemUnderlying(uint redeemAmount) virtual external returns (uint);
    function borrow(uint borrowAmount) virtual external returns (uint);
    function repayBorrow() virtual external payable;
    function repayBorrowBehalf(address borrower) virtual external payable;
    function _liquidateBorrow(address liquidator, address borrower, uint repayAmount) virtual external returns (uint);

    /*** Admin Functions ***/

    function _addReserves() virtual external payable returns (uint);
}

contract CDelegationStorage {
    /**
     * @notice Implementation address for this contract
     */
    address public implementation;
}

abstract contract CDelegatorInterface is CDelegationStorage {
    /**
     * @notice Emitted when implementation is changed
     */
    event NewImplementation(address oldImplementation, address newImplementation);

    error CannotReceiveValueGtZero();

    /**
     * @notice Called by the admin to update the implementation of the delegator
     * @param implementation_ The address of the new implementation for delegation
     * @param allowResign Flag to indicate whether to call _resignImplementation on the old implementation
     * @param becomeImplementationData The encoded bytes data to be passed to _becomeImplementation
     */
    function _setImplementation(address implementation_, bool allowResign, bytes memory becomeImplementationData) virtual external;
}

abstract contract CDelegateInterface is CDelegationStorage {
    /**
     * @notice Called by the delegator on a delegate to initialize it for duty
     * @dev Should revert if any issues arise which make it unfit for delegation
     * @param data The encoded bytes data for any initialization
     */
    function _becomeImplementation(bytes memory data) virtual external;

    /**
     * @notice Called by the delegator on a delegate to forfeit its responsibility
     */
    function _resignImplementation() virtual external;
}

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.23;

abstract contract ComptrollerInterface {
    /// @notice Indicator that this is a Comptroller contract (for inspection)
    bool public constant isComptroller = true;

    /*** Assets You Are In ***/

    function autoEnterMarkets(address account) virtual external;
    function autoExitMarkets(address account) virtual external;
    function enterMarkets(address[] calldata cTokens) virtual external returns (uint[] memory);
    function exitMarket(address cToken) virtual external returns (uint);
    function redeemAllInterest(address lender, address[] memory cTokens) virtual external returns (uint[] memory);

    /*** Policy Hooks ***/

    function mintAllowed(address cToken, address minter, uint mintAmount) virtual external returns (uint);

    function redeemAllowed(address cToken, address redeemer, uint redeemTokens) virtual external returns (uint);

    function borrowAllowed(address cToken, address borrower, uint borrowAmount) virtual external returns (uint);

    function repayBorrowAllowed(
        address cToken,
        address payer,
        address borrower,
        uint repayAmount) virtual external returns (uint);

    function collectInterestAllowed(
        address cTokenInterestMarket,
        address cTokenSupplyMarket,
        address lender,
        uint interestAmount) virtual external returns (uint);

    function payInterestAllowed(
        address cTokenInterestMarket,
        address cTokenBorrowMarket,
        address payer,
        uint payTokens) virtual external returns (uint);

    function transferAllowed(address cToken, address src, address dst, uint transferTokens) virtual external returns (uint);

    function isListed(address cToken) virtual external view returns (bool);

    function getAssetsExchangeRate(address cTokenA, address cTokenB) virtual external view returns (uint);

    function _checkEoaOrWL(address msgSender) virtual external view returns (bool);

    /*** Liquidity/Liquidation Calculations ***/

    struct Liquidatables {
        address cToken; // token to liquidate
        uint amount;    // non-NFT markets
        uint[] nftIds;  // NFT markets
    }

    function topUpInterestShortfall(address borrower, uint maxTopUpTokens, address cTokenCollateral) virtual external returns (uint[2] memory);

    function batchLiquidateBorrow(address borrower, Liquidatables[] memory liquidatables, address[] memory cTokenCollaterals, uint minSeizedValue) virtual external returns (uint[][2] memory results);

    function liquidateCalculateSeizeTokensNormed(address cTokenCollateral, uint normedRepayAmount) virtual public view returns (uint);

    function interestMarket() virtual external view returns (address);
}

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.23;

/**
  * @title Compound's InterestRateModel Interface
  * @author Compound
  */
abstract contract InterestRateModel {
    /// @notice Indicator that this is an InterestRateModel contract (for inspection)
    bool public constant isInterestRateModel = true;

    /**
      * @notice Calculates the current borrow interest rate per block
      * @param cash The total amount of cash the market has
      * @param borrows The total amount of borrows the market has outstanding
      * @param reserves The total amount of reserves the market has
      * @return The borrow rate per block (as a percentage, and scaled by 1e18)
      */
    function getBorrowRate(uint cash, uint borrows, uint reserves) virtual public view returns (uint);

    /**
      * @notice Calculates the current supply interest rate per block
      * @param cash The total amount of cash the market has
      * @param borrows The total amount of borrows the market has outstanding
      * @param reserves The total amount of reserves the market has
      * @param reserveFactorMantissa The current reserve factor the market has
      * @return The supply rate per block (as a percentage, and scaled by 1e18)
      */
    function getSupplyRate(uint cash, uint borrows, uint reserves, uint reserveFactorMantissa) virtual public view returns (uint);

    /**
     * @notice Calculates the current borrow and supply rate per block
     * @param cash The amount of cash in the market
     * @param borrows The amount of borrows in the market
     * @param reserves The amount of reserves in the market
     * @param reserveFactorMantissa The current reserve factor for the market
     * @return (uint, uint) The borrow rate percentage per block as a mantissa (scaled by BASE),
     *         supply rate percentage per block as a mantissa (scaled by BASE)
     */
    function getMarketRates(uint cash, uint borrows, uint reserves, uint reserveFactorMantissa) virtual public view returns (uint, uint) {
      return (getBorrowRate(cash, borrows, reserves), getSupplyRate(cash, borrows, reserves, reserveFactorMantissa));
    }
}

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.23;

/**
 * @title EIP20NonStandardInterface
 * @dev Version of ERC20 with no return values for `transfer` and `transferFrom`
 *  See https://medium.com/coinmonks/missing-return-value-bug-at-least-130-tokens-affected-d67bf08521ca
 */
interface EIP20NonStandardInterface {

    /**
     * @notice Get the total number of tokens in circulation
     * @return The supply of tokens
     */
    function totalSupply() external view returns (uint256);

    /**
     * @notice Gets the balance of the specified address
     * @param owner The address from which the balance will be retrieved
     * @return balance The balance
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    ///
    /// !!!!!!!!!!!!!!
    /// !!! NOTICE !!! `transfer` does not return a value, in violation of the ERC-20 specification
    /// !!!!!!!!!!!!!!
    ///

    /**
      * @notice Transfer `amount` tokens from `msg.sender` to `dst`
      * @param dst The address of the destination account
      * @param amount The number of tokens to transfer
      */
    function transfer(address dst, uint256 amount) external;

    ///
    /// !!!!!!!!!!!!!!
    /// !!! NOTICE !!! `transferFrom` does not return a value, in violation of the ERC-20 specification
    /// !!!!!!!!!!!!!!
    ///

    /**
      * @notice Transfer `amount` tokens from `src` to `dst`
      * @param src The address of the source account
      * @param dst The address of the destination account
      * @param amount The number of tokens to transfer
      */
    function transferFrom(address src, address dst, uint256 amount) external;

    /**
      * @notice Approve `spender` to transfer up to `amount` from `src`
      * @dev This will overwrite the approval amount for `spender`
      *  and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve)
      * @param spender The address of the account which may transfer tokens
      * @param amount The number of tokens that are approved
      * @return success Whether or not the approval succeeded
      */
    function approve(address spender, uint256 amount) external returns (bool success);

    /**
      * @notice Get the current allowance from `owner` for `spender`
      * @param owner The address of the account which owns the tokens to be spent
      * @param spender The address of the account which may transfer tokens
      * @return remaining The number of tokens allowed to be spent
      */
    function allowance(address owner, address spender) external view returns (uint256 remaining);

    event Transfer(address indexed from, address indexed to, uint256 amount);
    event Approval(address indexed owner, address indexed spender, uint256 amount);
}

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.23;

contract ComptrollerErrorReporter {
    enum Error {
        NO_ERROR,
        UNAUTHORIZED,
        COMPTROLLER_MISMATCH,
        INSUFFICIENT_SHORTFALL,
        INSUFFICIENT_LIQUIDITY,
        INVALID_CLOSE_FACTOR,
        INVALID_COLLATERAL_FACTOR,
        INVALID_LIQUIDATION_INCENTIVE,
        MARKET_NOT_ENTERED, // no longer possible
        MARKET_NOT_LISTED,
        MARKET_ALREADY_LISTED,
        MATH_ERROR,
        NONZERO_BORROW_BALANCE,
        PRICE_ERROR,
        REJECTION,
        SNAPSHOT_ERROR,
        TOO_MANY_ASSETS,
        TOO_MUCH_REPAY,
        INVALID_MARKET_TYPE,
        TOO_LITTLE_INTEREST_RESERVE,
        NONZERO_INTEREST_BALANCE,
        LIQUIDATE_SEIZE_TOO_LITTLE
    }

    enum FailureInfo {
        ACCEPT_ADMIN_PENDING_ADMIN_CHECK,
        ACCEPT_PENDING_IMPLEMENTATION_ADDRESS_CHECK,
        EXIT_MARKET_BALANCE_OWED,
        EXIT_MARKET_REJECTION,
        SET_CLOSE_FACTOR_OWNER_CHECK,
        SET_CLOSE_FACTOR_VALIDATION,
        SET_COLLATERAL_FACTOR_OWNER_CHECK,
        SET_COLLATERAL_FACTOR_NO_EXISTS,
        SET_COLLATERAL_FACTOR_VALIDATION,
        SET_COLLATERAL_FACTOR_WITHOUT_PRICE,
        SET_IMPLEMENTATION_OWNER_CHECK,
        SET_LIQUIDATION_INCENTIVE_OWNER_CHECK,
        SET_LIQUIDATION_INCENTIVE_VALIDATION,
        SET_MAX_ASSETS_OWNER_CHECK,
        SET_PENDING_ADMIN_OWNER_CHECK,
        SET_PENDING_IMPLEMENTATION_OWNER_CHECK,
        SET_PRICE_ORACLE_OWNER_CHECK,
        SUPPORT_MARKET_EXISTS,
        SUPPORT_MARKET_OWNER_CHECK,
        SET_PAUSE_GUARDIAN_OWNER_CHECK
    }

    /**
      * @dev `error` corresponds to enum Error; `info` corresponds to enum FailureInfo, and `detail` is an arbitrary
      * contract-specific code that enables us to report opaque error codes from upgradeable contracts.
      **/
    event Failure(uint error, uint info, uint detail);

    error Unauthorized();
    error InitializationFailed();

    error GetAccountSnapshotFailed(uint256 errorCode);

    error SeizePaused();
    error MintPaused();
    error BorrowPaused();
    error CollectInterestPaused();
    error PayInterestPaused();
    error TransferPaused();

    error InsufficientShortfall(uint errorCode, uint value);
    error InvalidTopUpLimit();
    error TopUpLimitExceeded();
    error TopUpZero();
    error SeizeFailed();
    error TopUpFailed();
    error LiquidateError();
    error LiquidateSeizeTooLittle();
    error LiquidateSeizeTooMuch();
    error LiquidateSeizeBellowMinValue(uint minSeizedValue, uint liquidatedValueTotal);
    error ExcessRefundFailed();
    error BorrowCapReached();
    error MarketAlreadyAdded();
    error InvalidInput();
    error OnlyAdminCanUnpause();
    error ChangeNotAuthorized();

    error MarketNotListed();
    error SameMarket();
    error WrongMarketType();
    error PriceError();
    error ComptrollerMismatch();
    error InvalidMarket();
    

    /**
      * @dev use this when reporting a known error from the money market or a non-upgradeable collaborator
      */
    function fail(Error err, FailureInfo info) internal returns (uint) {
        emit Failure(uint(err), uint(info), 0);

        return uint(err);
    }

    /**
      * @dev use this when reporting an opaque error from an upgradeable collaborator contract
      */
    function failOpaque(Error err, FailureInfo info, uint opaqueError) internal returns (uint) {
        emit Failure(uint(err), uint(info), opaqueError);

        return uint(err);
    }
}

contract TokenErrorReporter {
    uint public constant NO_ERROR = 0; // support legacy return codes

    error Unauthorized();
    error Unsupported();

    error AlreadyInitialized();
    error InitializeExchangeRateInvalid();
    error InitializeSetComptrollerFailed(uint256 errorCode);
    error InitializeSetInterestRateModelFailed(uint256 errorCode);
    error InitializeMarketTypeNotSet();
    error InitializeInvalidMarketType();
    error EnsureNonEmptyAmountTooSmall();

    error TransferComptrollerRejection(uint256 errorCode);
    error TransferNotAllowed();
    error TransferNotEnough();
    error TransferTooMuch();
    error TransferInvalidAmount();

    error TransferInFailed();
    error InsufficientBalanceAfterTransfer();
    error TransferOutFailed();

    error MintComptrollerRejection(uint256 errorCode);
    error MintFreshnessCheck();

    error RedeemComptrollerRejection(uint256 errorCode);
    error RedeemFreshnessCheck();
    error RedeemTransferOutNotPossible();
    error RedeemInvalidInputs();

    error BorrowComptrollerRejection(uint256 errorCode);
    error BorrowFreshnessCheck();
    error BorrowCashNotAvailable();

    error RepayBorrowComptrollerRejection(uint256 errorCode);
    error RepayBorrowFreshnessCheck();
    error RepayTooHigh();

    error LiquidateComptrollerRejection(uint256 errorCode);
    error LiquidateFreshnessCheck();
    error LiquidateCollateralFreshnessCheck();
    error LiquidateAccrueBorrowInterestFailed(uint256 errorCode);
    error LiquidateAccrueCollateralInterestFailed(uint256 errorCode);
    error LiquidateLiquidatorIsBorrower();
    error LiquidateCloseAmountIsZero();
    error LiquidateCloseAmountIsUintMax();
    error LiquidateRepayBorrowFreshFailed(uint256 errorCode);

    error LiquidateSeizeComptrollerRejection(uint256 errorCode);
    error LiquidateSeizeLiquidatorIsBorrower();

    error AcceptAdminPendingAdminCheck();

    error SetComptrollerOwnerCheck();
    error SetPendingAdminOwnerCheck();

    error SetReserveFactorAdminCheck();
    error SetReserveFactorFreshCheck();
    error SetReserveFactorBoundsCheck();

    error AddReservesFactorFreshCheck(uint256 actualAddAmount);

    error ReduceReservesAdminCheck();
    error ReduceReservesFreshCheck();
    error ReduceReservesCashNotAvailable();
    error ReduceReservesCashValidation();

    error SetInterestRateModelOwnerCheck();
    error SetInterestRateModelFreshCheck();

    error SetProtocolSeizeShareAdminCheck();
    error SetProtocolSeizeShareTooHigh();

    error BorrowRateIsAbsurdlyHigh(uint borrowRateMantissa);

    error InvalidComptrollerAddress(address comptrollerAddress);
    error InvalidRateModelAddress(address interestRateModelAddress);

    error Reentry();

    error CannotSweepUnderlying();

    error CollectInterestFailed();
    error CollectInterestNotAllowed();
    error PayInterestNotAllowed();
    error InsufficientBalance();
    error PayInterestError();

    error SenderMismatch();
    error ValueMismatch();

    error PriceError();
}

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.23;

import "CErc20InterestMarketInterfaces.sol";

contract CErc721Storage {

    /**
     * @notice NFTs supplied
     */
    uint[] public heldNFTs;

    /**
     * @notice Accumulator of the total earned interest rate by suppliers since the opening of the market
     */
    uint public supplyIndex;

    struct SupplyInterestSnapshot {
        uint interestIndex;
        uint interestAccrued;
    }
    mapping(address => SupplyInterestSnapshot) internal supplyInterest;
}

abstract contract CErc721Interface is CErc20Interface, CErc721Storage {

    /**
     * @notice Event emitted when interest tokens are redeemed
     */
    event RedeemInterest(address redeemer, uint redeemInterest, uint redeemTokens);

    /**
     * @notice Not supported. Use mint(uint[]) instead.
     */
    function mint(uint) override external returns (uint) {
        revert("unsupported");
    }
    /**
     * @notice Sender supplies assets into the market and receives cTokens in exchange
     * @dev Accrues interest whether or not the operation succeeds, unless reverted
     * @param nftIds The NFT IDs to supply
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function mint(uint[] memory nftIds) virtual external returns (uint);

    /**
     * @notice Redeems the interest accrued from the supplied assets. Owed interest will also be paid from this amount.
     * @param redeemer The address to redeem the interest for
     *                 If the caller is not the comptroller the sender is the redeemer.
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function redeemInterest(address redeemer) virtual external returns (uint);

    /**
     * @notice Redeems the interest accrued from the supplied assets. Owed interest will also be paid from this amount.
     * @param redeemer The address to redeem the interest for
     *                 Only the comptroller can call.
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function _redeemInterestForLiquidation(address redeemer) virtual external returns (uint);

    /**
     * @notice Not supported. Use repayBorrow(uint[], uint) instead.
     */
    function repayBorrow(uint) override external returns (uint) {
        revert("unsupported");
    }
    /**
     * @notice Sender repays their own borrow
     * @param nftIds The NFT IDs to be used for the repayment
     * @param repayInterest The min amount of interest to be repaid in interest market units
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function repayBorrow(uint[] memory nftIds, uint repayInterest) virtual external returns (uint);

    /**
     * @notice Not supported. Use repayBorrowBehalf(address, uint[], uint) instead.
     */
    function repayBorrowBehalf(address, uint) override external returns (uint) {
        revert("unsupported");
    }
    /**
     * @notice Repays a loan on behalf of another user
     * @param borrower The account with the debt being payed off
     * @param nftIds The NFT IDs to be used for the repayment
     * @param repayInterest The min amount of interest to be repaid in interest market units
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function repayBorrowBehalf(address borrower, uint[] memory nftIds, uint repayInterest) virtual external returns (uint);

    /**
     * @notice Not supported.
     */
    function _addReserves(uint addAmount) override external returns (uint) {
        revert("unsupported");
    }

    /**
     * @notice Not supported. Use _liquidateBorrow(address, address, uint[]) instead.
     */
    function _liquidateBorrow(address liquidator, address borrower, uint repayAmount) override external returns (uint) {
        revert("unsupported");
    }
    /**
     * @notice The liquidator liquidates the borrowers collateral.
     *         This function can only be called by the Comptroller.
     * @param liquidator The liquidator who called Comptroller::batchLiquidateBorrow
     * @param borrower The borrower of this cToken to be liquidated
     * @param nftIds The NFT IDs of the underlying borrowed asset to repay
     * @return uint The amount of the underlying borrowed asset that was actually repaid
     */
    function _liquidateBorrow(address liquidator, address borrower, uint[] memory nftIds) virtual external returns (uint);

    event Mint(address minter, uint mintAmount, uint mintTokens, uint[] nftIds);
    event Redeem(address redeemer, uint redeemAmount, uint redeemTokens, uint[] nftIds);
    event Borrow(address borrower, uint[] nftIds, uint accountBorrows, uint totalBorrows);
    event RepayBorrow(address payer, address borrower, uint[] nftIds, uint repayInterest, uint accountBorrows, uint totalBorrows);
    event LiquidateBorrow(address liquidator, address borrower, uint[] nftIds, uint repayInterest);
}

// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.8.23;

import "CTokenInterfaces.sol";


contract CErc20InterestMarketStorage {

    uint public totalVirtual;
}

abstract contract CErc20InterestMarketInterface is CErc20Interface, CErc20InterestMarketStorage {

    /**
     * @notice Collect the interest from supplied ERC721 tokens for the lender and adds them to his supply.
     *         Must be called by the supply market.
     * @param lender The address for which the interest should be collected
     * @param interestTokens The amount of market tokens to claim
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function collectInterest(address lender, uint interestTokens) virtual external returns (uint);

    /**
     * @notice Pay the interest for borrowed ERC721 tokens.
     *         Must be called by the borrow market.
     * @param payer The address that pays the interest
     * @param interestTokens The amount of market tokens to pay
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function payInterest(address payer, uint interestTokens) virtual external returns (uint);

    /**
     * @notice Sender claims interest from NFT markets then redeems cTokens in exchange for the underlying asset
     * @dev Accrues interest whether or not the operation succeeds, unless reverted
     * @param redeemTokens The number of cTokens to redeem into underlying
     * @param cTokens The list of cToken addresses to redeem interest from.
     *                Only possible for cErc721 markets.
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function redeemWithClaim(uint redeemTokens, address[] memory cTokens) virtual external returns (uint);

    /**
     * @notice Sender claims interest from NFT markets then redeems cTokens in exchange for a specified amount of underlying asset
     * @dev Accrues interest whether or not the operation succeeds, unless reverted
     * @param redeemAmount The amount of underlying to redeem
     * @param cTokens The list of cToken addresses to redeem interest from.
     *                Only possible for cErc721 markets.
     * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details)
     */
    function redeemUnderlyingWithClaim(uint redeemAmount, address[] memory cTokens) virtual external returns (uint);
}

{
  "evmVersion": "shanghai",
  "optimizer": {
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• No Contract Security Audit Submitted- Submit Audit Here

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

-----Decoded View---------------
Arg [0] : underlying_ (address): 0xb7F7F6C52F2e2fdb1963Eab30438024864c313F6
Arg [1] : comptroller_ (address): 0xf9c70750bF615dE83fE7FF62D30C7faACD8f8Ba0
Arg [2] : interestRateModel_ (address): 0x8cd2001327a919653B9E0E1ADB9298772eD8d25c
Arg [3] : initialExchangeRateMantissa_ (uint256): 200000000000000000000000000
Arg [4] : name_ (string): Fungify PUNKS
Arg [5] : symbol_ (string): fPUNKS
Arg [6] : decimals_ (uint8): 8
Arg [7] : admin_ (address): 0x43A314183c0033528827Be7cF426523bAc412780
Arg [8] : implementation_ (address): 0x2b88790fDf6037E39E2A18f5C6991b79B341F78c
Arg [9] : becomeImplementationData (bytes): 0x

-----Encoded View---------------
16 Constructor Arguments found :
Arg [0] : 000000000000000000000000b7f7f6c52f2e2fdb1963eab30438024864c313f6
Arg [1] : 000000000000000000000000f9c70750bf615de83fe7ff62d30c7faacd8f8ba0
Arg [2] : 0000000000000000000000008cd2001327a919653b9e0e1adb9298772ed8d25c
Arg [3] : 000000000000000000000000000000000000000000a56fa5b99019a5c8000000
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000140
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000180
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000008
Arg [7] : 00000000000000000000000043a314183c0033528827be7cf426523bac412780
Arg [8] : 0000000000000000000000002b88790fdf6037e39e2a18f5c6991b79b341f78c
Arg [9] : 00000000000000000000000000000000000000000000000000000000000001c0
Arg [10] : 000000000000000000000000000000000000000000000000000000000000000d
Arg [11] : 46756e676966792050554e4b5300000000000000000000000000000000000000
Arg [12] : 0000000000000000000000000000000000000000000000000000000000000006
Arg [13] : 6650554e4b530000000000000000000000000000000000000000000000000000
Arg [14] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [15] : 0000000000000000000000000000000000000000000000000000000000000000