// File: contracts/Bulker.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.15;

import "./CometInterface.sol";
import "./ERC20.sol";
import "./IWETH9.sol";

interface IClaimable {
    function claim(address comet, address src, bool shouldAccrue) external;

    function claimTo(address comet, address src, address to, bool shouldAccrue) external;
}

contract Bulker {
    /** General configuration constants **/
    address public immutable admin;
    address payable public immutable weth;

    /** Actions **/
    uint public constant ACTION_SUPPLY_ASSET = 1;
    uint public constant ACTION_SUPPLY_ETH = 2;
    uint public constant ACTION_TRANSFER_ASSET = 3;
    uint public constant ACTION_WITHDRAW_ASSET = 4;
    uint public constant ACTION_WITHDRAW_ETH = 5;
    uint public constant ACTION_CLAIM_REWARD = 6;

    /** Custom errors **/
    error InvalidArgument();
    error FailedToSendEther();
    error Unauthorized();

    constructor(address admin_, address payable weth_) {
        admin = admin_;
        weth = weth_;
    }

    /**
     * @notice Fallback for receiving ether. Needed for ACTION_WITHDRAW_ETH.
     */
    receive() external payable {}

    /**
     * @notice A public function to sweep accidental ERC-20 transfers to this contract. Tokens are sent to admin (Timelock)
     * @param recipient The address that will receive the swept funds
     * @param asset The address of the ERC-20 token to sweep
     */
    function sweepToken(address recipient, ERC20 asset) external {
        if (msg.sender != admin) revert Unauthorized();

        uint256 balance = asset.balanceOf(address(this));
        asset.transfer(recipient, balance);
    }

    /**
     * @notice A public function to sweep accidental ETH transfers to this contract. Tokens are sent to admin (Timelock)
     * @param recipient The address that will receive the swept funds
     */
    function sweepEth(address recipient) external {
        if (msg.sender != admin) revert Unauthorized();

        uint256 balance = address(this).balance;
        (bool success, ) = recipient.call{ value: balance }("");
        if (!success) revert FailedToSendEther();
    }

    /**
     * @notice Executes a list of actions in order
     * @param actions The list of actions to execute in order
     * @param data The list of calldata to use for each action
     */
    function invoke(uint[] calldata actions, bytes[] calldata data) external payable {
        if (actions.length != data.length) revert InvalidArgument();

        uint unusedEth = msg.value;
        for (uint i = 0; i < actions.length; ) {
            uint action = actions[i];
            if (action == ACTION_SUPPLY_ASSET) {
                (address comet, address to, address asset, uint amount) = abi.decode(data[i], (address, address, address, uint));
                supplyTo(comet, to, asset, amount);
            } else if (action == ACTION_SUPPLY_ETH) {
                (address comet, address to, uint amount) = abi.decode(data[i], (address, address, uint));
                unusedEth -= amount;
                supplyEthTo(comet, to, amount);
            } else if (action == ACTION_TRANSFER_ASSET) {
                (address comet, address to, address asset, uint amount) = abi.decode(data[i], (address, address, address, uint));
                transferTo(comet, to, asset, amount);
            } else if (action == ACTION_WITHDRAW_ASSET) {
                (address comet, address to, address asset, uint amount) = abi.decode(data[i], (address, address, address, uint));
                withdrawTo(comet, to, asset, amount);
            } else if (action == ACTION_WITHDRAW_ETH) {
                (address comet, address to, uint amount) = abi.decode(data[i], (address, address, uint));
                withdrawEthTo(comet, to, amount);
            } else if (action == ACTION_CLAIM_REWARD) {
                (address comet, address rewards, address src, bool shouldAccrue) = abi.decode(data[i], (address, address, address, bool));
                claimReward(comet, rewards, src, shouldAccrue);
            }
            unchecked { i++; }
        }

        // Refund unused ETH back to msg.sender
        if (unusedEth > 0) {
            (bool success, ) = msg.sender.call{ value: unusedEth }("");
            if (!success) revert FailedToSendEther();
        }
    }

    /**
     * @notice Supplies an asset to a user in Comet
     */
    function supplyTo(address comet, address to, address asset, uint amount) internal {
        CometInterface(comet).supplyFrom(msg.sender, to, asset, amount);
    }

    /**
     * @notice Wraps ETH and supplies WETH to a user in Comet
     */
    function supplyEthTo(address comet, address to, uint amount) internal {
        IWETH9(weth).deposit{ value: amount }();
        IWETH9(weth).approve(comet, amount);
        CometInterface(comet).supplyFrom(address(this), to, weth, amount);
    }

    /**
     * @notice Transfers an asset to a user in Comet
     */
    function transferTo(address comet, address to, address asset, uint amount) internal {
        CometInterface(comet).transferAssetFrom(msg.sender, to, asset, amount);
    }

    /**
     * @notice Withdraws an asset to a user in Comet
     */
    function withdrawTo(address comet, address to, address asset, uint amount) internal {
        CometInterface(comet).withdrawFrom(msg.sender, to, asset, amount);
    }

    /**
     * @notice Withdraws WETH from Comet to a user after unwrapping it to ETH
     */
    function withdrawEthTo(address comet, address to, uint amount) internal {
        CometInterface(comet).withdrawFrom(msg.sender, address(this), weth, amount);
        IWETH9(weth).withdraw(amount);
        (bool success, ) = to.call{ value: amount }("");
        if (!success) revert FailedToSendEther();
    }

    /**
     * @notice Claim reward for a user
     */
    function claimReward(address comet, address rewards, address src, bool shouldAccrue) internal {
        IClaimable(rewards).claim(comet, src, shouldAccrue);
    }
}

// File: contracts/CometInterface.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.15;

import "./CometMainInterface.sol";
import "./CometExtInterface.sol";

/**
 * @title Compound's Comet Interface
 * @notice An efficient monolithic money market protocol
 * @author Compound
 */
abstract contract CometInterface is CometMainInterface, CometExtInterface {}

// File: contracts/ERC20.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.15;

/**
 * @title ERC 20 Token Standard Interface
 *  https://eips.ethereum.org/EIPS/eip-20
 */
interface ERC20 {
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);

    /**
      * @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 The balance
     */
    function balanceOf(address owner) external view returns (uint256);

    /**
      * @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, uint256 amount) external returns (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) external returns (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) external returns (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) external view returns (uint256);

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

// File: contracts/IWETH9.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.15;

interface IWETH9 {
    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    function decimals() external view returns (uint8);

    function balanceOf(address) external view returns (uint);

    function allowance(address, address) external view returns (uint);

    receive() external payable;

    function deposit() external payable;

    function withdraw(uint wad) external;

    function totalSupply() external view returns (uint);

    function approve(address guy, uint wad) external returns (bool);

    function transfer(address dst, uint wad) external returns (bool);

    function transferFrom(address src, address dst, uint wad)
    external
    returns (bool);
}
// File: contracts/CometMainInterface.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.15;

import "./CometCore.sol";

/**
 * @title Compound's Comet Main Interface (without Ext)
 * @notice An efficient monolithic money market protocol
 * @author Compound
 */
abstract contract CometMainInterface is CometCore {
    event Supply(address indexed from, address indexed dst, uint amount);
    event Transfer(address indexed from, address indexed to, uint amount);
    event Withdraw(address indexed src, address indexed to, uint amount);

    event SupplyCollateral(address indexed from, address indexed dst, address indexed asset, uint amount);
    event TransferCollateral(address indexed from, address indexed to, address indexed asset, uint amount);
    event WithdrawCollateral(address indexed src, address indexed to, address indexed asset, uint amount);

    /// @notice Event emitted when a borrow position is absorbed by the protocol
    event AbsorbDebt(address indexed absorber, address indexed borrower, uint basePaidOut, uint usdValue);

    /// @notice Event emitted when a user's collateral is absorbed by the protocol
    event AbsorbCollateral(address indexed absorber, address indexed borrower, address indexed asset, uint collateralAbsorbed, uint usdValue);

    /// @notice Event emitted when a collateral asset is purchased from the protocol
    event BuyCollateral(address indexed buyer, address indexed asset, uint baseAmount, uint collateralAmount);

    /// @notice Event emitted when an action is paused/unpaused
    event PauseAction(bool supplyPaused, bool transferPaused, bool withdrawPaused, bool absorbPaused, bool buyPaused);

    /// @notice Event emitted when reserves are withdrawn by the governor
    event WithdrawReserves(address indexed to, uint amount);

    function supply(address asset, uint amount) virtual external;
    function supplyTo(address dst, address asset, uint amount) virtual external;
    function supplyFrom(address from, address dst, address asset, uint amount) virtual external;

    function transfer(address dst, uint amount) virtual external returns (bool);
    function transferFrom(address src, address dst, uint amount) virtual external returns (bool);

    function transferAsset(address dst, address asset, uint amount) virtual external;
    function transferAssetFrom(address src, address dst, address asset, uint amount) virtual external;

    function withdraw(address asset, uint amount) virtual external;
    function withdrawTo(address to, address asset, uint amount) virtual external;
    function withdrawFrom(address src, address to, address asset, uint amount) virtual external;

    function approveThis(address manager, address asset, uint amount) virtual external;
    function withdrawReserves(address to, uint amount) virtual external;

    function absorb(address absorber, address[] calldata accounts) virtual external;
    function buyCollateral(address asset, uint minAmount, uint baseAmount, address recipient) virtual external;
    function quoteCollateral(address asset, uint baseAmount) virtual public view returns (uint);

    function getAssetInfo(uint8 i) virtual public view returns (AssetInfo memory);
    function getAssetInfoByAddress(address asset) virtual public view returns (AssetInfo memory);
    function getReserves() virtual public view returns (int);
    function getPrice(address priceFeed) virtual public view returns (uint);

    function isBorrowCollateralized(address account) virtual public view returns (bool);
    function isLiquidatable(address account) virtual public view returns (bool);

    function totalSupply() virtual external view returns (uint256);
    function totalBorrow() virtual external view returns (uint256);
    function balanceOf(address owner) virtual public view returns (uint256);
    function borrowBalanceOf(address account) virtual public view returns (uint256);

    function pause(bool supplyPaused, bool transferPaused, bool withdrawPaused, bool absorbPaused, bool buyPaused) virtual external;
    function isSupplyPaused() virtual public view returns (bool);
    function isTransferPaused() virtual public view returns (bool);
    function isWithdrawPaused() virtual public view returns (bool);
    function isAbsorbPaused() virtual public view returns (bool);
    function isBuyPaused() virtual public view returns (bool);

    function accrueAccount(address account) virtual external;
    function getSupplyRate(uint utilization) virtual public view returns (uint64);
    function getBorrowRate(uint utilization) virtual public view returns (uint64);
    function getUtilization() virtual public view returns (uint);

    function governor() virtual external view returns (address);
    function pauseGuardian() virtual external view returns (address);
    function baseToken() virtual external view returns (address);
    function baseTokenPriceFeed() virtual external view returns (address);
    function extensionDelegate() virtual external view returns (address);

    /// @dev uint64
    function supplyKink() virtual external view returns (uint);
    /// @dev uint64
    function supplyPerSecondInterestRateSlopeLow() virtual external view returns (uint);
    /// @dev uint64
    function supplyPerSecondInterestRateSlopeHigh() virtual external view returns (uint);
    /// @dev uint64
    function supplyPerSecondInterestRateBase() virtual external view returns (uint);
    /// @dev uint64
    function borrowKink() virtual external view returns (uint);
    /// @dev uint64
    function borrowPerSecondInterestRateSlopeLow() virtual external view returns (uint);
    /// @dev uint64
    function borrowPerSecondInterestRateSlopeHigh() virtual external view returns (uint);
    /// @dev uint64
    function borrowPerSecondInterestRateBase() virtual external view returns (uint);
    /// @dev uint64
    function storeFrontPriceFactor() virtual external view returns (uint);

    /// @dev uint64
    function baseScale() virtual external view returns (uint);
    /// @dev uint64
    function trackingIndexScale() virtual external view returns (uint);

    /// @dev uint64
    function baseTrackingSupplySpeed() virtual external view returns (uint);
    /// @dev uint64
    function baseTrackingBorrowSpeed() virtual external view returns (uint);
    /// @dev uint104
    function baseMinForRewards() virtual external view returns (uint);
    /// @dev uint104
    function baseBorrowMin() virtual external view returns (uint);
    /// @dev uint104
    function targetReserves() virtual external view returns (uint);

    function numAssets() virtual external view returns (uint8);
    function decimals() virtual external view returns (uint8);

    function initializeStorage() virtual external;
}
// File: contracts/CometExtInterface.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.15;

import "./CometCore.sol";

/**
 * @title Compound's Comet Ext Interface
 * @notice An efficient monolithic money market protocol
 * @author Compound
 */
abstract contract CometExtInterface is CometCore {
    function allow(address manager, bool isAllowed) virtual external;
    function allowBySig(address owner, address manager, bool isAllowed, uint256 nonce, uint256 expiry, uint8 v, bytes32 r, bytes32 s) virtual external;

    function collateralBalanceOf(address account, address asset) virtual external view returns (uint128);
    function baseTrackingAccrued(address account) virtual external view returns (uint64);

    function baseAccrualScale() virtual external view returns (uint64);
    function baseIndexScale() virtual external view returns (uint64);
    function factorScale() virtual external view returns (uint64);
    function priceScale() virtual external view returns (uint64);

    function maxAssets() virtual external view returns (uint8);

    function totalsBasic() virtual external view returns (TotalsBasic memory);

    function version() virtual external view returns (string memory);

    /**
      * ===== ERC20 interfaces =====
      * Does not include the following functions/events, which are defined in `CometMainInterface` instead:
      * - function decimals() virtual external view returns (uint8)
      * - function totalSupply() virtual external view returns (uint256)
      * - function transfer(address dst, uint amount) virtual external returns (bool)
      * - function transferFrom(address src, address dst, uint amount) virtual external returns (bool)
      * - function balanceOf(address owner) virtual external view returns (uint256)
      * - event Transfer(address indexed from, address indexed to, uint256 amount)
      */
    function name() virtual external view returns (string memory);
    function symbol() virtual external view returns (string memory);

    /**
      * @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) virtual external returns (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) virtual external view returns (uint256);

    event Approval(address indexed owner, address indexed spender, uint256 amount);
}
// File: contracts/CometCore.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.15;

import "./CometConfiguration.sol";
import "./CometStorage.sol";
import "./CometMath.sol";
import "./vendor/@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";

abstract contract CometCore is CometConfiguration, CometStorage, CometMath {
    struct AssetInfo {
        uint8 offset;
        address asset;
        address priceFeed;
        uint64 scale;
        uint64 borrowCollateralFactor;
        uint64 liquidateCollateralFactor;
        uint64 liquidationFactor;
        uint128 supplyCap;
    }

    /** Internal constants **/

    /// @dev The max number of assets this contract is hardcoded to support
    ///  Do not change this variable without updating all the fields throughout the contract,
    //    including the size of UserBasic.assetsIn and corresponding integer conversions.
    uint8 internal constant MAX_ASSETS = 15;

    /// @dev The max number of decimals base token can have
    ///  Note this cannot just be increased arbitrarily.
    uint8 internal constant MAX_BASE_DECIMALS = 18;

    /// @dev The max value for a collateral factor (1)
    uint64 internal constant MAX_COLLATERAL_FACTOR = FACTOR_SCALE;

    /// @dev Offsets for specific actions in the pause flag bit array
    uint8 internal constant PAUSE_SUPPLY_OFFSET = 0;
    uint8 internal constant PAUSE_TRANSFER_OFFSET = 1;
    uint8 internal constant PAUSE_WITHDRAW_OFFSET = 2;
    uint8 internal constant PAUSE_ABSORB_OFFSET = 3;
    uint8 internal constant PAUSE_BUY_OFFSET = 4;

    /// @dev The decimals required for a price feed
    uint8 internal constant PRICE_FEED_DECIMALS = 8;

    /// @dev 365 days * 24 hours * 60 minutes * 60 seconds
    uint64 internal constant SECONDS_PER_YEAR = 31_536_000;

    /// @dev The scale for base tracking accrual
    uint64 internal constant BASE_ACCRUAL_SCALE = 1e6;

    /// @dev The scale for base index (depends on time/rate scales, not base token)
    uint64 internal constant BASE_INDEX_SCALE = 1e15;

    /// @dev The scale for prices (in USD)
    uint64 internal constant PRICE_SCALE = uint64(10 ** PRICE_FEED_DECIMALS);

    /// @dev The scale for factors
    uint64 internal constant FACTOR_SCALE = 1e18;

    /**
     * @notice Determine if the manager has permission to act on behalf of the owner
     * @param owner The owner account
     * @param manager The manager account
     * @return Whether or not the manager has permission
     */
    function hasPermission(address owner, address manager) public view returns (bool) {
        return owner == manager || isAllowed[owner][manager];
    }

    /**
     * @dev The positive present supply balance if positive or the negative borrow balance if negative
     */
    function presentValue(int104 principalValue_) internal view returns (int256) {
        if (principalValue_ >= 0) {
            return signed256(presentValueSupply(baseSupplyIndex, uint104(principalValue_)));
        } else {
            return -signed256(presentValueBorrow(baseBorrowIndex, uint104(-principalValue_)));
        }
    }

    /**
     * @dev The principal amount projected forward by the supply index
     */
    function presentValueSupply(uint64 baseSupplyIndex_, uint104 principalValue_) internal pure returns (uint256) {
        return uint256(principalValue_) * baseSupplyIndex_ / BASE_INDEX_SCALE;
    }

    /**
     * @dev The principal amount projected forward by the borrow index
     */
    function presentValueBorrow(uint64 baseBorrowIndex_, uint104 principalValue_) internal pure returns (uint256) {
        return uint256(principalValue_) * baseBorrowIndex_ / BASE_INDEX_SCALE;
    }

    /**
     * @dev The positive principal if positive or the negative principal if negative
     */
    function principalValue(int256 presentValue_) internal view returns (int104) {
        if (presentValue_ >= 0) {
            return signed104(principalValueSupply(baseSupplyIndex, uint256(presentValue_)));
        } else {
            return -signed104(principalValueBorrow(baseBorrowIndex, uint256(-presentValue_)));
        }
    }

    /**
     * @dev The present value projected backward by the supply index (rounded down)
     *  Note: This will overflow (revert) at 2^104/1e18=~20 trillion principal for assets with 18 decimals.
     */
    function principalValueSupply(uint64 baseSupplyIndex_, uint256 presentValue_) internal pure returns (uint104) {
        return safe104((presentValue_ * BASE_INDEX_SCALE) / baseSupplyIndex_);
    }

    /**
     * @dev The present value projected backward by the borrow index (rounded up)
     *  Note: This will overflow (revert) at 2^104/1e18=~20 trillion principal for assets with 18 decimals.
     */
    function principalValueBorrow(uint64 baseBorrowIndex_, uint256 presentValue_) internal pure returns (uint104) {
        return safe104((presentValue_ * BASE_INDEX_SCALE + baseBorrowIndex_ - 1) / baseBorrowIndex_);
    }
}

// File: contracts/CometConfiguration.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.15;

/**
 * @title Compound's Comet Configuration Interface
 * @author Compound
 */
contract CometConfiguration {
    struct ExtConfiguration {
        bytes32 name32;
        bytes32 symbol32;
    }

    struct Configuration {
        address governor;
        address pauseGuardian;
        address baseToken;
        address baseTokenPriceFeed;
        address extensionDelegate;

        uint64 supplyKink;
        uint64 supplyPerYearInterestRateSlopeLow;
        uint64 supplyPerYearInterestRateSlopeHigh;
        uint64 supplyPerYearInterestRateBase;
        uint64 borrowKink;
        uint64 borrowPerYearInterestRateSlopeLow;
        uint64 borrowPerYearInterestRateSlopeHigh;
        uint64 borrowPerYearInterestRateBase;
        uint64 storeFrontPriceFactor;
        uint64 trackingIndexScale;
        uint64 baseTrackingSupplySpeed;
        uint64 baseTrackingBorrowSpeed;
        uint104 baseMinForRewards;
        uint104 baseBorrowMin;
        uint104 targetReserves;

        AssetConfig[] assetConfigs;
    }

    struct AssetConfig {
        address asset;
        address priceFeed;
        uint8 decimals;
        uint64 borrowCollateralFactor;
        uint64 liquidateCollateralFactor;
        uint64 liquidationFactor;
        uint128 supplyCap;
    }
}

// File: contracts/CometStorage.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.15;

/**
 * @title Compound's Comet Storage Interface
 * @dev Versions can enforce append-only storage slots via inheritance.
 * @author Compound
 */
contract CometStorage {
    // 512 bits total = 2 slots
    struct TotalsBasic {
        // 1st slot
        uint64 baseSupplyIndex;
        uint64 baseBorrowIndex;
        uint64 trackingSupplyIndex;
        uint64 trackingBorrowIndex;
        // 2nd slot
        uint104 totalSupplyBase;
        uint104 totalBorrowBase;
        uint40 lastAccrualTime;
        uint8 pauseFlags;
    }

    struct TotalsCollateral {
        uint128 totalSupplyAsset;
        uint128 _reserved;
    }

    struct UserBasic {
        int104 principal;
        uint64 baseTrackingIndex;
        uint64 baseTrackingAccrued;
        uint16 assetsIn;
        uint8 _reserved;
    }

    struct UserCollateral {
        uint128 balance;
        uint128 _reserved;
    }

    struct LiquidatorPoints {
        uint32 numAbsorbs;
        uint64 numAbsorbed;
        uint128 approxSpend;
        uint32 _reserved;
    }

    /// @dev Aggregate variables tracked for the entire market
    uint64 internal baseSupplyIndex;
    uint64 internal baseBorrowIndex;
    uint64 internal trackingSupplyIndex;
    uint64 internal trackingBorrowIndex;
    uint104 internal totalSupplyBase;
    uint104 internal totalBorrowBase;
    uint40 internal lastAccrualTime;
    uint8 internal pauseFlags;

    /// @notice Aggregate variables tracked for each collateral asset
    mapping(address => TotalsCollateral) public totalsCollateral;

    /// @notice Mapping of users to accounts which may be permitted to manage the user account
    mapping(address => mapping(address => bool)) public isAllowed;

    /// @notice The next expected nonce for an address, for validating authorizations via signature
    mapping(address => uint) public userNonce;

    /// @notice Mapping of users to base principal and other basic data
    mapping(address => UserBasic) public userBasic;

    /// @notice Mapping of users to collateral data per collateral asset
    mapping(address => mapping(address => UserCollateral)) public userCollateral;

    /// @notice Mapping of magic liquidator points
    mapping(address => LiquidatorPoints) public liquidatorPoints;
}

// File: contracts/CometMath.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.15;

/**
 * @title Compound's Comet Math Contract
 * @dev Pure math functions
 * @author Compound
 */
contract CometMath {
    /** Custom errors **/

    error InvalidUInt64();
    error InvalidUInt104();
    error InvalidUInt128();
    error InvalidInt104();
    error InvalidInt256();
    error NegativeNumber();

    function safe64(uint n) internal pure returns (uint64) {
        if (n > type(uint64).max) revert InvalidUInt64();
        return uint64(n);
    }

    function safe104(uint n) internal pure returns (uint104) {
        if (n > type(uint104).max) revert InvalidUInt104();
        return uint104(n);
    }

    function safe128(uint n) internal pure returns (uint128) {
        if (n > type(uint128).max) revert InvalidUInt128();
        return uint128(n);
    }

    function signed104(uint104 n) internal pure returns (int104) {
        if (n > uint104(type(int104).max)) revert InvalidInt104();
        return int104(n);
    }

    function signed256(uint256 n) internal pure returns (int256) {
        if (n > uint256(type(int256).max)) revert InvalidInt256();
        return int256(n);
    }

    function unsigned104(int104 n) internal pure returns (uint104) {
        if (n < 0) revert NegativeNumber();
        return uint104(n);
    }

    function unsigned256(int256 n) internal pure returns (uint256) {
        if (n < 0) revert NegativeNumber();
        return uint256(n);
    }

    function toUInt8(bool x) internal pure returns (uint8) {
        return x ? 1 : 0;
    }

    function toBool(uint8 x) internal pure returns (bool) {
        return x != 0;
    }
}

// File: contracts/vendor/@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface AggregatorV3Interface {
  function decimals() external view returns (uint8);

  function description() external view returns (string memory);

  function version() external view returns (uint256);

  // getRoundData and latestRoundData should both raise "No data present"
  // if they do not have data to report, instead of returning unset values
  // which could be misinterpreted as actual reported values.
  function getRoundData(uint80 _roundId)
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );

  function latestRoundData()
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );
}