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// SPDX-License-Identifier: GPL-3.0-only
pragma solidity =0.7.6;

import {GenericToken} from "../../internal/balances/protocols/GenericToken.sol";
import {IRewarder} from "../../../interfaces/notional/IRewarder.sol";
import {NotionalProxy} from "../../../interfaces/notional/NotionalProxy.sol";
import {IERC20} from "../../../interfaces/IERC20.sol";
import {IEIP20NonStandard} from "../../../interfaces/IEIP20NonStandard.sol";
import {Constants} from "../../global/Constants.sol";
import {SafeInt256} from "../../math/SafeInt256.sol";
import {SafeUint256} from "../../math/SafeUint256.sol";
import {FloatingPoint} from "../../math/FloatingPoint.sol";
import {MerkleProof} from "@openzeppelin/contracts/cryptography/MerkleProof.sol";

contract SecondaryRewarder is IRewarder {
    using SafeUint256 for uint256;
    using SafeInt256 for int256;

    NotionalProxy public immutable NOTIONAL;
    address public immutable override NTOKEN_ADDRESS;
    address public immutable REWARD_TOKEN;
    uint8 public immutable REWARD_TOKEN_DECIMALS;
    uint16 public immutable override CURRENCY_ID;

    /// @notice When a rewarder is detached, it converts to an airdrop contract using the
    /// this merkleRoot that is set.
    /// @dev Uses a single storage slot
    bytes32 public merkleRoot;

    /* Rest of storage variables are packed into 256 bits */
    /// @notice When true user needs to call contract directly to claim any rewards left
    bool public override detached;

    /// @notice Marks the timestamp when incentives will end. Will always be less than block.timestamp
    /// if detached is true.
    uint32 public endTime;

    /// @notice Last time the contract accumulated the reward
    uint32 public override lastAccumulatedTime;

    // The emission rate of REWARD_TOKEN in INTERNAL_TOKEN_PRECISION packed to uint56
    uint56 private packedEmissionRatePerYear;

    /// @notice Aggregate tokens accumulated per nToken at `lastAccumulateTime` 
    //  in INCENTIVE_ACCUMULATION_PRECISION
    uint128 public override accumulatedRewardPerNToken;

    /// @notice Reward debt per account stored in 18 decimals.
    mapping(address => uint128) public rewardDebtPerAccount;

    modifier onlyOwner() {
        require(msg.sender == NOTIONAL.owner(), "Only owner");
        _;
    }

    modifier onlyNotional() {
        require(msg.sender == address(NOTIONAL), "Only Notional");
        _;
    }

    constructor(
        NotionalProxy notional,
        uint16 currencyId,
        IERC20 incentive_token,
        uint128 _emissionRatePerYear, // in INTERNAL_TOKEN_PRECISION
        uint32 _endTime
    ) {
        NOTIONAL = notional;
        CURRENCY_ID = currencyId;
        NTOKEN_ADDRESS = notional.nTokenAddress(currencyId);
        REWARD_TOKEN = address(incentive_token);
        REWARD_TOKEN_DECIMALS = IERC20(address(incentive_token)).decimals();

        packedEmissionRatePerYear = FloatingPoint.packTo56Bits(_emissionRatePerYear);
        lastAccumulatedTime = uint32(block.timestamp);
        require(lastAccumulatedTime < _endTime, "Invalid End Time");
        endTime = _endTime;
    }

    /// @notice The emission rate of REWARD_TOKEN in INTERNAL_TOKEN_PRECISION
    function emissionRatePerYear() public view override returns(uint128) {
        return uint128(FloatingPoint.unpackFromBits(packedEmissionRatePerYear));
    }

    /// @notice Get amount of reward account can claim at specified block time, only called before rewarder is detached
    /// @param account address to get reward amount for
    /// @param blockTime block time at which to get reward amount
    function getAccountRewardClaim(address account, uint32 blockTime)
        external
        view
        override
        returns (uint256 rewardToClaim)
    {
        require(!detached, "Detached");
        require(lastAccumulatedTime <= blockTime, "Invalid block time");

        uint256 totalSupply = IERC20(NTOKEN_ADDRESS).totalSupply();
        uint256 nTokenBalance = IERC20(NTOKEN_ADDRESS).balanceOf(account);

        uint32 time = uint32(SafeInt256.min(blockTime, endTime));
        uint128 rewardsPerNToken = _getAccumulatedRewardPerToken(time, totalSupply);
        rewardToClaim = _calculateRewardToClaim(account, nTokenBalance, rewardsPerNToken);
    }

    /// @notice Get amount of reward still left for account to claim, only called after rewarder is detached
    /// and merkle root is set
    /// @param account address to get reward amount for
    /// @param nTokenBalanceAtDetach nToken balance of account at time of detachment
    /// @param proof merkle proof to prove account and nTokenBalanceAtDetach are in tree
    function getAccountRewardClaim(address account, uint256 nTokenBalanceAtDetach, bytes32[] calldata proof)
        external
        view
        override
        returns (uint256 rewardToClaim)
    {
        require(detached && merkleRoot != bytes32(0), "Not detached");

        _checkProof(account, nTokenBalanceAtDetach, proof);
        // no need to accumulate, it was already accumulated when rewarder was detached
        rewardToClaim = _calculateRewardToClaim(account, nTokenBalanceAtDetach, accumulatedRewardPerNToken);
    }

    /// @notice Set incentive emission rate and incentive period end time, called only in case emission
    /// rate or incentive period changes since it is already set at deploy time, only can be called before
    /// rewarder is detached
    /// @param _emissionRatePerYear emission rate per year in INTERNAL_TOKEN_PRECISION
    /// @param _endTime time in seconds when incentive period will end
    function setIncentiveEmissionRate(uint128 _emissionRatePerYear, uint32 _endTime) external onlyOwner {
        require(!detached, "Detached");
        uint256 totalSupply = IERC20(NTOKEN_ADDRESS).totalSupply();

        _accumulateRewardPerNToken(uint32(block.timestamp), totalSupply);

        packedEmissionRatePerYear = FloatingPoint.packTo56Bits(_emissionRatePerYear);
        // lastAccumulatedTime is at block.timestamp here, ensure that the end time is always
        // further in the future.
        require(lastAccumulatedTime < _endTime, "Invalid End Time");
        endTime = _endTime;

        emit RewardEmissionUpdate(FloatingPoint.unpackFromBits(packedEmissionRatePerYear), _endTime);
    }

    /// @notice Set merkle root, only called after rewarder is detached
    /// @param _merkleRoot merkle root of the tree that contains accounts and nToken balances at detach time
    function setMerkleRoot(bytes32 _merkleRoot) external onlyOwner {
        require(_merkleRoot != bytes32(0), "Invalid");
        merkleRoot = _merkleRoot;
    }

    /// @notice Allows owner to recover any ERC20 or ETH mistakenly sent to this contract
    /// @param token address of the token to recover, in case of ETH pass address(0)
    /// @param amount amount to recover
    function recover(address token, uint256 amount) external onlyOwner {
        if (Constants.ETH_ADDRESS == token) {
            (bool status,) = msg.sender.call{value: amount}("");
            require(status);
        } else {
            GenericToken.safeTransferOut(token, msg.sender, amount);
        }
    }

    /// @dev Called from Notional system to detach rewarder when switching to a new rewarder or when incentive
    /// period is over, after this merkle tree of user nToken balances at detach time should be generated
    /// offline and merkle root uploaded to this contract
    function detach() external override onlyNotional {
        require(!detached, "Already detached");

        // accumulate for the last time if needed
        uint256 totalSupply = IERC20(NTOKEN_ADDRESS).totalSupply();
        _accumulateRewardPerNToken(uint32(block.timestamp), totalSupply);

        detached = true;
        packedEmissionRatePerYear = 0;

        if (block.timestamp < endTime) {
            endTime = uint32(block.timestamp);
        }

        emit RewardEmissionUpdate(0, endTime);
    }

    /// @notice Allows claiming rewards after rewarder has been detached
    /// @param account address to claim rewards for
    /// @param nTokenBalanceAtDetach nToken balance of account at time of detachment
    /// @param proof merkle proof to prove account and nTokenBalanceAtDetach are in tree
    function claimRewardsDirect(address account, uint256 nTokenBalanceAtDetach, bytes32[] calldata proof)
        external
        override
    {
        require(detached, "Not detached");

        _checkProof(account, nTokenBalanceAtDetach, proof);

        _claimRewards(account, nTokenBalanceAtDetach, nTokenBalanceAtDetach);
    }

    /// @notice Allows claiming rewards but only from Notional system, called on each nToken balance change
    /// @param account address to claim rewards for
    /// @param currencyId id number of the currency
    /// @param nTokenBalanceBefore account nToken balance before the change
    /// @param nTokenBalanceAfter account nToken balance after the change
    /// @param priorNTokenSupply total nToken supply before the change
    function claimRewards(
        address account,
        uint16 currencyId,
        uint256 nTokenBalanceBefore,
        uint256 nTokenBalanceAfter,
        uint256 priorNTokenSupply
    ) external override onlyNotional {
        require(!detached, "Detached");
        require(currencyId == CURRENCY_ID, "Wrong currency id");

        _accumulateRewardPerNToken(uint32(block.timestamp), priorNTokenSupply);
        _claimRewards(account, nTokenBalanceBefore, nTokenBalanceAfter);
    }

    function _claimRewards(address account, uint256 nTokenBalanceBefore, uint256 nTokenBalanceAfter) private {
        uint256 rewardToClaim = _calculateRewardToClaim(account, nTokenBalanceBefore, accumulatedRewardPerNToken);

        // Precision here is:
        //  nTokenBalanceAfter (INTERNAL_TOKEN_PRECISION)
        //  accumulatedRewardPerNToken (INCENTIVE_ACCUMULATION_PRECISION)
        // DIVIDE BY
        //  INTERNAL_TOKEN_PRECISION
        //  => INCENTIVE_ACCUMULATION_PRECISION (1e18)
        rewardDebtPerAccount[account] = nTokenBalanceAfter
            .mul(accumulatedRewardPerNToken)
            .div(uint256(Constants.INTERNAL_TOKEN_PRECISION))
            .toUint128();

        if (0 < rewardToClaim) {
            try IEIP20NonStandard(REWARD_TOKEN).transfer(account, rewardToClaim) {
                bool success = checkReturnCode();
                if (success) {
                    emit RewardTransfer(REWARD_TOKEN, account, rewardToClaim);
                }
            // ignore failed reward transfers
            } catch {}
        }
    }

    function _getAccumulatedRewardPerToken(uint32 time, uint256 totalSupply) private view returns (uint128) {
        uint256 additionalIncentiveAccumulatedPerNToken;
        if (lastAccumulatedTime < time && 0 < totalSupply) {
            // NOTE: no underflow, checked in if statement
            uint256 timeSinceLastAccumulation = time - lastAccumulatedTime;
            // Precision here is:
            //  timeSinceLastAccumulation (SECONDS)
            //  INCENTIVE_ACCUMULATION_PRECISION (1e18)
            //  INTERNAL_TOKEN_PRECISION (1e8)
            // DIVIDE BY
            //  YEAR (SECONDS)
            //  INTERNAL_TOKEN_PRECISION (1e8)
            // => Precision = INCENTIVE_ACCUMULATION_PRECISION * INTERNAL_TOKEN_PRECISION / INTERNAL_TOKEN_PRECISION
            // => 1e18
            additionalIncentiveAccumulatedPerNToken = timeSinceLastAccumulation
                .mul(Constants.INCENTIVE_ACCUMULATION_PRECISION)
                .mul(emissionRatePerYear())
                .div(Constants.YEAR)
                .div(totalSupply);
        }

        return uint256(accumulatedRewardPerNToken).add(additionalIncentiveAccumulatedPerNToken).toUint128();
    }

    function _accumulateRewardPerNToken(uint32 blockTime, uint256 totalSupply) private {
        // Ensure that end time is set to some value
        require(0 < endTime);
        uint32 time = uint32(SafeInt256.min(blockTime, endTime));

        accumulatedRewardPerNToken = _getAccumulatedRewardPerToken(time, totalSupply);

        lastAccumulatedTime = uint32(block.timestamp);
    }

    function _calculateRewardToClaim(address account, uint256 nTokenBalanceAtLastClaim, uint128 rewardsPerNToken)
        private
        view
        returns (uint256)
    {
        // Precision here is:
        //   nTokenBalanceAtLastClaim (INTERNAL_TOKEN_PRECISION)
        //   mul rewardsPerNToken (INCENTIVE_ACCUMULATION_PRECISION)
        //   div INTERNAL_TOKEN_PRECISION
        // => INCENTIVE_ACCUMULATION_PRECISION
        // SUB rewardDebtPerAccount (INCENTIVE_ACCUMULATION_PRECISION)
        //
        // - mul REWARD_TOKEN_DECIMALS
        // - div INCENTIVE_ACCUMULATION_PRECISION
        // => REWARD_TOKEN_DECIMALS
        return uint256(nTokenBalanceAtLastClaim)
            .mul(rewardsPerNToken)
            .div(uint256(Constants.INTERNAL_TOKEN_PRECISION))
            .sub(rewardDebtPerAccount[account])
            .mul(10 ** REWARD_TOKEN_DECIMALS)
            .div(Constants.INCENTIVE_ACCUMULATION_PRECISION);
    }

    /// @notice Verify merkle proof, or revert if not in tree
    function _checkProof(address account, uint256 balance, bytes32[] calldata proof) private view {
        // Verify merkle proof, or revert if not in tree
        bytes32 leaf = keccak256(abi.encodePacked(account, balance));
        bool isValidLeaf = MerkleProof.verify(proof, merkleRoot, leaf);
        require(isValidLeaf, "NotInMerkle");
    }

    function checkReturnCode() private pure returns(bool success) {
        uint256[1] memory result;
        assembly {
            switch returndatasize()
                case 0 {
                    // This is a non-standard ERC-20
                    success := 1 // set success to true
                }
                case 32 {
                    // This is a compliant ERC-20
                    returndatacopy(result, 0, 32)
                    success := mload(result) // Set `success = returndata` of external call
                }
                default {
                    // This is an excessively non-compliant ERC-20.
                    success := 0
                }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev These functions deal with verification of Merkle trees (hash trees),
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(bytes32[] memory proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
        bytes32 computedHash = leaf;

        for (uint256 i = 0; i < proof.length; i++) {
            bytes32 proofElement = proof[i];

            if (computedHash <= proofElement) {
                // Hash(current computed hash + current element of the proof)
                computedHash = keccak256(abi.encodePacked(computedHash, proofElement));
            } else {
                // Hash(current element of the proof + current computed hash)
                computedHash = keccak256(abi.encodePacked(proofElement, computedHash));
            }
        }

        // Check if the computed hash (root) is equal to the provided root
        return computedHash == root;
    }
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;

/// @title All shared constants for the Notional system should be declared here.
library Constants {
    uint8 internal constant CETH_DECIMAL_PLACES = 8;

    // Token precision used for all internal balances, TokenHandler library ensures that we
    // limit the dust amount caused by precision mismatches
    int256 internal constant INTERNAL_TOKEN_PRECISION = 1e8;
    uint256 internal constant INCENTIVE_ACCUMULATION_PRECISION = 1e18;

    // ETH will be initialized as the first currency
    uint256 internal constant ETH_CURRENCY_ID = 1;
    uint8 internal constant ETH_DECIMAL_PLACES = 18;
    int256 internal constant ETH_DECIMALS = 1e18;
    address internal constant ETH_ADDRESS = address(0);
    // Used to prevent overflow when converting decimal places to decimal precision values via
    // 10**decimalPlaces. This is a safe value for int256 and uint256 variables. We apply this
    // constraint when storing decimal places in governance.
    uint256 internal constant MAX_DECIMAL_PLACES = 36;

    // Address of the account where fees are collected
    address internal constant FEE_RESERVE = 0x0000000000000000000000000000000000000FEE;
    // Address of the account where settlement funds are collected, this is only
    // used for off chain event tracking.
    address internal constant SETTLEMENT_RESERVE = 0x00000000000000000000000000000000000005e7;

    // Most significant bit
    bytes32 internal constant MSB =
        0x8000000000000000000000000000000000000000000000000000000000000000;

    // Each bit set in this mask marks where an active market should be in the bitmap
    // if the first bit refers to the reference time. Used to detect idiosyncratic
    // fcash in the nToken accounts
    bytes32 internal constant ACTIVE_MARKETS_MASK = (
        MSB >> ( 90 - 1) | // 3 month
        MSB >> (105 - 1) | // 6 month
        MSB >> (135 - 1) | // 1 year
        MSB >> (147 - 1) | // 2 year
        MSB >> (183 - 1) | // 5 year
        MSB >> (211 - 1) | // 10 year
        MSB >> (251 - 1)   // 20 year
    );

    // Basis for percentages
    int256 internal constant PERCENTAGE_DECIMALS = 100;
    // Min Buffer Scale and Buffer Scale are used in ExchangeRate to increase the maximum
    // possible buffer values at the higher end of the uint8 range.
    int256 internal constant MIN_BUFFER_SCALE = 150;
    int256 internal constant BUFFER_SCALE = 10;
    // Max number of traded markets, also used as the maximum number of assets in a portfolio array
    uint256 internal constant MAX_TRADED_MARKET_INDEX = 7;
    // Max number of fCash assets in a bitmap, this is based on the gas costs of calculating free collateral
    // for a bitmap portfolio
    uint256 internal constant MAX_BITMAP_ASSETS = 20;
    uint256 internal constant FIVE_MINUTES = 300;

    // Internal date representations, note we use a 6/30/360 week/month/year convention here
    uint256 internal constant DAY = 86400;
    // We use six day weeks to ensure that all time references divide evenly
    uint256 internal constant WEEK = DAY * 6;
    uint256 internal constant MONTH = WEEK * 5;
    uint256 internal constant QUARTER = MONTH * 3;
    uint256 internal constant YEAR = QUARTER * 4;
    
    // These constants are used in DateTime.sol
    uint256 internal constant DAYS_IN_WEEK = 6;
    uint256 internal constant DAYS_IN_MONTH = 30;
    uint256 internal constant DAYS_IN_QUARTER = 90;

    // Offsets for each time chunk denominated in days
    uint256 internal constant MAX_DAY_OFFSET = 90;
    uint256 internal constant MAX_WEEK_OFFSET = 360;
    uint256 internal constant MAX_MONTH_OFFSET = 2160;
    uint256 internal constant MAX_QUARTER_OFFSET = 7650;

    // Offsets for each time chunk denominated in bits
    uint256 internal constant WEEK_BIT_OFFSET = 90;
    uint256 internal constant MONTH_BIT_OFFSET = 135;
    uint256 internal constant QUARTER_BIT_OFFSET = 195;

    // Number of decimal places that rates are stored in, equals 100%
    int256 internal constant RATE_PRECISION = 1e9;
    // Used for prime cash scalars
    uint256 internal constant SCALAR_PRECISION = 1e18;
    // Used in prime rate lib
    int256 internal constant DOUBLE_SCALAR_PRECISION = 1e36;
    // One basis point in RATE_PRECISION terms
    uint256 internal constant BASIS_POINT = uint256(RATE_PRECISION / 10000);
    // Used to when calculating the amount to deleverage of a market when minting nTokens
    uint256 internal constant DELEVERAGE_BUFFER = 300 * BASIS_POINT;
    // Used for scaling cash group factors
    uint256 internal constant FIVE_BASIS_POINTS = 5 * BASIS_POINT;
    // Used for residual purchase incentive and cash withholding buffer
    uint256 internal constant TEN_BASIS_POINTS = 10 * BASIS_POINT;
    // Used for max oracle rate
    uint256 internal constant FIFTEEN_BASIS_POINTS = 15 * BASIS_POINT;
    // Used in max rate calculations
    uint256 internal constant MAX_LOWER_INCREMENT = 150;
    uint256 internal constant MAX_LOWER_INCREMENT_VALUE = 150 * 25 * BASIS_POINT;
    uint256 internal constant TWENTY_FIVE_BASIS_POINTS = 25 * BASIS_POINT;
    uint256 internal constant ONE_HUNDRED_FIFTY_BASIS_POINTS = 150 * BASIS_POINT;

    // This is the ABDK64x64 representation of RATE_PRECISION
    // RATE_PRECISION_64x64 = ABDKMath64x64.fromUint(RATE_PRECISION)
    int128 internal constant RATE_PRECISION_64x64 = 0x3b9aca000000000000000000;

    uint8 internal constant FCASH_ASSET_TYPE          = 1;
    // Liquidity token asset types are 1 + marketIndex (where marketIndex is 1-indexed)
    uint8 internal constant MIN_LIQUIDITY_TOKEN_INDEX = 2;
    uint8 internal constant MAX_LIQUIDITY_TOKEN_INDEX = 8;
    uint8 internal constant VAULT_SHARE_ASSET_TYPE    = 9;
    uint8 internal constant VAULT_DEBT_ASSET_TYPE     = 10;
    uint8 internal constant VAULT_CASH_ASSET_TYPE     = 11;
    // Used for tracking legacy nToken assets
    uint8 internal constant LEGACY_NTOKEN_ASSET_TYPE  = 12;

    // Account context flags
    bytes1 internal constant HAS_ASSET_DEBT           = 0x01;
    bytes1 internal constant HAS_CASH_DEBT            = 0x02;
    bytes2 internal constant ACTIVE_IN_PORTFOLIO      = 0x8000;
    bytes2 internal constant ACTIVE_IN_BALANCES       = 0x4000;
    bytes2 internal constant UNMASK_FLAGS             = 0x3FFF;
    uint16 internal constant MAX_CURRENCIES           = uint16(UNMASK_FLAGS);

    // Equal to 100% of all deposit amounts for nToken liquidity across fCash markets.
    int256 internal constant DEPOSIT_PERCENT_BASIS    = 1e8;

    // nToken Parameters: there are offsets in the nTokenParameters bytes6 variable returned
    // in nTokenHandler. Each constant represents a position in the byte array.
    uint8 internal constant LIQUIDATION_HAIRCUT_PERCENTAGE = 0;
    uint8 internal constant CASH_WITHHOLDING_BUFFER = 1;
    uint8 internal constant RESIDUAL_PURCHASE_TIME_BUFFER = 2;
    uint8 internal constant PV_HAIRCUT_PERCENTAGE = 3;
    uint8 internal constant RESIDUAL_PURCHASE_INCENTIVE = 4;
    uint8 internal constant MAX_MINT_DEVIATION_LIMIT = 5;

    // Liquidation parameters
    // Default percentage of collateral that a liquidator is allowed to liquidate, will be higher if the account
    // requires more collateral to be liquidated
    int256 internal constant DEFAULT_LIQUIDATION_PORTION = 40;
    // Percentage of local liquidity token cash claim delivered to the liquidator for liquidating liquidity tokens
    int256 internal constant TOKEN_REPO_INCENTIVE_PERCENT = 30;

    // Pause Router liquidation enabled states
    bytes1 internal constant LOCAL_CURRENCY_ENABLED = 0x01;
    bytes1 internal constant COLLATERAL_CURRENCY_ENABLED = 0x02;
    bytes1 internal constant LOCAL_FCASH_ENABLED = 0x04;
    bytes1 internal constant CROSS_CURRENCY_FCASH_ENABLED = 0x08;

    // Requires vault accounts to enter a position for a minimum of 1 min
    // to mitigate strange behavior where accounts may enter and exit using
    // flash loans or other MEV type behavior.
    uint256 internal constant VAULT_ACCOUNT_MIN_TIME = 1 minutes;

    // Placeholder constant to mark the variable rate prime cash maturity
    uint40 internal constant PRIME_CASH_VAULT_MATURITY = type(uint40).max;

    // This represents the maximum percent change allowed before and after 
    // a rebalancing. 100_000 represents a 0.01% change
    // as a result of rebalancing. We should expect to never lose value as
    // a result of rebalancing, but some rounding errors may exist as a result
    // of redemption and deposit.
    int256 internal constant REBALANCING_UNDERLYING_DELTA_PERCENT = 100_000;

    // Ensures that the minimum total underlying held by the contract continues
    // to accrue interest so that money market oracle rates are properly updated
    // between rebalancing. With a minimum rebalancing cool down time of 6 hours
    // we would be able to detect at least 1 unit of accrual at 8 decimal precision
    // at an interest rate of 2.8 basis points (0.0288%) with 0.05e8 minimum balance
    // held in a given token.
    //
    //                          MIN_ACCRUAL * (86400 / REBALANCING_COOL_DOWN_HOURS)
    // MINIMUM_INTEREST_RATE =  ---------------------------------------------------
    //                                     MINIMUM_UNDERLYING_BALANCE
    int256 internal constant MIN_TOTAL_UNDERLYING_VALUE = 0.05e8;
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;

import {WETH9} from "../../interfaces/WETH9.sol";
import {IUpgradeableBeacon} from "../proxy/beacon/IBeacon.sol";
import {AggregatorV2V3Interface} from "../../interfaces/chainlink/AggregatorV2V3Interface.sol";

/// @title Hardcoded deployed contracts are listed here. These are hardcoded to reduce
/// gas costs for immutable addresses. They must be updated per environment that Notional
/// is deployed to.
library Deployments {
    uint256 internal constant MAINNET = 1;
    uint256 internal constant ARBITRUM_ONE = 42161;
    uint256 internal constant LOCAL = 1337;

    // MAINNET: 0xCFEAead4947f0705A14ec42aC3D44129E1Ef3eD5
    address internal constant NOTE_TOKEN_ADDRESS = 0xCFEAead4947f0705A14ec42aC3D44129E1Ef3eD5;
    // ARBITRUM: 0x019bE259BC299F3F653688c7655C87F998Bc7bC1
    // address internal constant NOTE_TOKEN_ADDRESS = 0x019bE259BC299F3F653688c7655C87F998Bc7bC1;

    // MAINNET: 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
    WETH9 internal constant WETH = WETH9(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2);
    // ARBITRUM: 0x82aF49447D8a07e3bd95BD0d56f35241523fBab1
    // WETH9 internal constant WETH = WETH9(0x82aF49447D8a07e3bd95BD0d56f35241523fBab1);
    // OPTIMISM: 0x4200000000000000000000000000000000000006

    // Chainlink L2 Sequencer Uptime: https://docs.chain.link/data-feeds/l2-sequencer-feeds/
    // MAINNET: NOT SET
    AggregatorV2V3Interface internal constant SEQUENCER_UPTIME_ORACLE = AggregatorV2V3Interface(address(0));
    // ARBITRUM: 0xFdB631F5EE196F0ed6FAa767959853A9F217697D
    // AggregatorV2V3Interface internal constant SEQUENCER_UPTIME_ORACLE = AggregatorV2V3Interface(0xFdB631F5EE196F0ed6FAa767959853A9F217697D);

    enum BeaconType {
        NTOKEN,
        PCASH,
        PDEBT,
        WRAPPED_FCASH
    }

    // NOTE: these are temporary Beacon addresses
    IUpgradeableBeacon internal constant NTOKEN_BEACON = IUpgradeableBeacon(0xc4FD259b816d081C8bdd22D6bbd3495DB1573DB7);
    IUpgradeableBeacon internal constant PCASH_BEACON = IUpgradeableBeacon(0x1F681977aF5392d9Ca5572FB394BC4D12939A6A9);
    IUpgradeableBeacon internal constant PDEBT_BEACON = IUpgradeableBeacon(0xDF08039c0af34E34660aC7c2705C0Da953247640);
    // Mainnet:
    IUpgradeableBeacon internal constant WRAPPED_FCASH_BEACON = IUpgradeableBeacon(0xEBe1BF1653d55d31F6ED38B1A4CcFE2A92338f66);
    // Arbitrum:
    // IUpgradeableBeacon internal constant WRAPPED_FCASH_BEACON = IUpgradeableBeacon(0xD676d720E4e8B14F545F9116F0CAD47aF32329DD);
    

    // NOTE: this is unused and should be removed if the contract is ever deployed again
    uint256 internal constant NOTIONAL_V2_FINAL_SETTLEMENT = 0;
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;
pragma abicoder v2;

import "../../interfaces/chainlink/AggregatorV2V3Interface.sol";
import "../../interfaces/notional/IPrimeCashHoldingsOracle.sol";
import "../../interfaces/notional/AssetRateAdapter.sol";

/// @notice Different types of internal tokens
///  - UnderlyingToken: underlying asset for a cToken (except for Ether)
///  - cToken: Compound interest bearing token
///  - cETH: Special handling for cETH tokens
///  - Ether: the one and only
///  - NonMintable: tokens that do not have an underlying (therefore not cTokens)
///  - aToken: Aave interest bearing tokens
enum TokenType {
    UnderlyingToken,
    cToken,
    cETH,
    Ether,
    NonMintable,
    aToken
}

/// @notice Specifies the different trade action types in the system. Each trade action type is
/// encoded in a tightly packed bytes32 object. Trade action type is the first big endian byte of the
/// 32 byte trade action object. The schemas for each trade action type are defined below.
enum TradeActionType {
    // (uint8 TradeActionType, uint8 MarketIndex, uint88 fCashAmount, uint32 minImpliedRate, uint120 unused)
    Lend,
    // (uint8 TradeActionType, uint8 MarketIndex, uint88 fCashAmount, uint32 maxImpliedRate, uint128 unused)
    Borrow,
    // (uint8 TradeActionType, uint8 MarketIndex, uint88 primeCashAmount, uint32 minImpliedRate, uint32 maxImpliedRate, uint88 unused)
    AddLiquidity,
    // (uint8 TradeActionType, uint8 MarketIndex, uint88 tokenAmount, uint32 minImpliedRate, uint32 maxImpliedRate, uint88 unused)
    RemoveLiquidity,
    // (uint8 TradeActionType, uint32 Maturity, int88 fCashResidualAmount, uint128 unused)
    PurchaseNTokenResidual,
    // (uint8 TradeActionType, address CounterpartyAddress, int88 fCashAmountToSettle)
    SettleCashDebt
}

/// @notice Specifies different deposit actions that can occur during BalanceAction or BalanceActionWithTrades
enum DepositActionType {
    // No deposit action
    None,
    // Deposit asset cash, depositActionAmount is specified in asset cash external precision
    DepositAsset,
    // Deposit underlying tokens that are mintable to asset cash, depositActionAmount is specified in underlying token
    // external precision
    DepositUnderlying,
    // Deposits specified asset cash external precision amount into an nToken and mints the corresponding amount of
    // nTokens into the account
    DepositAssetAndMintNToken,
    // Deposits specified underlying in external precision, mints asset cash, and uses that asset cash to mint nTokens
    DepositUnderlyingAndMintNToken,
    // Redeems an nToken balance to asset cash. depositActionAmount is specified in nToken precision. Considered a deposit action
    // because it deposits asset cash into an account. If there are fCash residuals that cannot be sold off, will revert.
    RedeemNToken,
    // Converts specified amount of asset cash balance already in Notional to nTokens. depositActionAmount is specified in
    // Notional internal 8 decimal precision.
    ConvertCashToNToken
}

/// @notice Used internally for PortfolioHandler state
enum AssetStorageState {
    NoChange,
    Update,
    Delete,
    RevertIfStored
}

/****** Calldata objects ******/

/// @notice Defines a batch lending action
struct BatchLend {
    uint16 currencyId;
    // True if the contract should try to transfer underlying tokens instead of asset tokens
    bool depositUnderlying;
    // Array of tightly packed 32 byte objects that represent trades. See TradeActionType documentation
    bytes32[] trades;
}

/// @notice Defines a balance action for batchAction
struct BalanceAction {
    // Deposit action to take (if any)
    DepositActionType actionType;
    uint16 currencyId;
    // Deposit action amount must correspond to the depositActionType, see documentation above.
    uint256 depositActionAmount;
    // Withdraw an amount of asset cash specified in Notional internal 8 decimal precision
    uint256 withdrawAmountInternalPrecision;
    // If set to true, will withdraw entire cash balance. Useful if there may be an unknown amount of asset cash
    // residual left from trading.
    bool withdrawEntireCashBalance;
    // If set to true, will redeem asset cash to the underlying token on withdraw.
    bool redeemToUnderlying;
}

/// @notice Defines a balance action with a set of trades to do as well
struct BalanceActionWithTrades {
    DepositActionType actionType;
    uint16 currencyId;
    uint256 depositActionAmount;
    uint256 withdrawAmountInternalPrecision;
    bool withdrawEntireCashBalance;
    bool redeemToUnderlying;
    // Array of tightly packed 32 byte objects that represent trades. See TradeActionType documentation
    bytes32[] trades;
}

/****** In memory objects ******/
/// @notice Internal object that represents settled cash balances
struct SettleAmount {
    uint16 currencyId;
    int256 positiveSettledCash;
    int256 negativeSettledCash;
    PrimeRate presentPrimeRate;
}

/// @notice Internal object that represents a token
struct Token {
    address tokenAddress;
    bool hasTransferFee;
    int256 decimals;
    TokenType tokenType;
    uint256 deprecated_maxCollateralBalance;
}

/// @notice Internal object that represents an nToken portfolio
struct nTokenPortfolio {
    CashGroupParameters cashGroup;
    PortfolioState portfolioState;
    int256 totalSupply;
    int256 cashBalance;
    uint256 lastInitializedTime;
    bytes6 parameters;
    address tokenAddress;
}

/// @notice Internal object used during liquidation
struct LiquidationFactors {
    address account;
    // Aggregate free collateral of the account denominated in ETH underlying, 8 decimal precision
    int256 netETHValue;
    // Amount of net local currency asset cash before haircuts and buffers available
    int256 localPrimeAvailable;
    // Amount of net collateral currency asset cash before haircuts and buffers available
    int256 collateralAssetAvailable;
    // Haircut value of nToken holdings denominated in asset cash, will be local or collateral nTokens based
    // on liquidation type
    int256 nTokenHaircutPrimeValue;
    // nToken parameters for calculating liquidation amount
    bytes6 nTokenParameters;
    // ETH exchange rate from local currency to ETH
    ETHRate localETHRate;
    // ETH exchange rate from collateral currency to ETH
    ETHRate collateralETHRate;
    // Asset rate for the local currency, used in cross currency calculations to calculate local asset cash required
    PrimeRate localPrimeRate;
    // Used during currency liquidations if the account has liquidity tokens
    CashGroupParameters collateralCashGroup;
    // Used during currency liquidations if it is only a calculation, defaults to false
    bool isCalculation;
}

/// @notice Internal asset array portfolio state
struct PortfolioState {
    // Array of currently stored assets
    PortfolioAsset[] storedAssets;
    // Array of new assets to add
    PortfolioAsset[] newAssets;
    uint256 lastNewAssetIndex;
    // Holds the length of stored assets after accounting for deleted assets
    uint256 storedAssetLength;
}

/// @notice In memory ETH exchange rate used during free collateral calculation.
struct ETHRate {
    // The decimals (i.e. 10^rateDecimalPlaces) of the exchange rate, defined by the rate oracle
    int256 rateDecimals;
    // The exchange rate from base to ETH (if rate invert is required it is already done)
    int256 rate;
    // Amount of buffer as a multiple with a basis of 100 applied to negative balances.
    int256 buffer;
    // Amount of haircut as a multiple with a basis of 100 applied to positive balances
    int256 haircut;
    // Liquidation discount as a multiple with a basis of 100 applied to the exchange rate
    // as an incentive given to liquidators.
    int256 liquidationDiscount;
}

/// @notice Internal object used to handle balance state during a transaction
struct BalanceState {
    uint16 currencyId;
    // Cash balance stored in balance state at the beginning of the transaction
    int256 storedCashBalance;
    // nToken balance stored at the beginning of the transaction
    int256 storedNTokenBalance;
    // The net cash change as a result of asset settlement or trading
    int256 netCashChange;
    // Amount of prime cash to redeem and withdraw from the system
    int256 primeCashWithdraw;
    // Net token transfers into or out of the account
    int256 netNTokenTransfer;
    // Net token supply change from minting or redeeming
    int256 netNTokenSupplyChange;
    // The last time incentives were claimed for this currency
    uint256 lastClaimTime;
    // Accumulator for incentives that the account no longer has a claim over
    uint256 accountIncentiveDebt;
    // Prime rate for converting prime cash balances
    PrimeRate primeRate;
}

/// @dev Asset rate used to convert between underlying cash and asset cash
struct Deprecated_AssetRateParameters {
    // Address of the asset rate oracle
    AssetRateAdapter rateOracle;
    // The exchange rate from base to quote (if invert is required it is already done)
    int256 rate;
    // The decimals of the underlying, the rate converts to the underlying decimals
    int256 underlyingDecimals;
}

/// @dev Cash group when loaded into memory
struct CashGroupParameters {
    uint16 currencyId;
    uint256 maxMarketIndex;
    PrimeRate primeRate;
    bytes32 data;
}

/// @dev A portfolio asset when loaded in memory
struct PortfolioAsset {
    // Asset currency id
    uint16 currencyId;
    uint256 maturity;
    // Asset type, fCash or liquidity token.
    uint256 assetType;
    // fCash amount or liquidity token amount
    int256 notional;
    // Used for managing portfolio asset state
    uint256 storageSlot;
    // The state of the asset for when it is written to storage
    AssetStorageState storageState;
}

/// @dev Market object as represented in memory
struct MarketParameters {
    bytes32 storageSlot;
    uint256 maturity;
    // Total amount of fCash available for purchase in the market.
    int256 totalfCash;
    // Total amount of cash available for purchase in the market.
    int256 totalPrimeCash;
    // Total amount of liquidity tokens (representing a claim on liquidity) in the market.
    int256 totalLiquidity;
    // This is the previous annualized interest rate in RATE_PRECISION that the market traded
    // at. This is used to calculate the rate anchor to smooth interest rates over time.
    uint256 lastImpliedRate;
    // Time lagged version of lastImpliedRate, used to value fCash assets at market rates while
    // remaining resistent to flash loan attacks.
    uint256 oracleRate;
    // This is the timestamp of the previous trade
    uint256 previousTradeTime;
}

/****** Storage objects ******/

/// @dev Token object in storage:
///  20 bytes for token address
///  1 byte for hasTransferFee
///  1 byte for tokenType
///  1 byte for tokenDecimals
///  9 bytes for maxCollateralBalance (may not always be set)
struct TokenStorage {
    // Address of the token
    address tokenAddress;
    // Transfer fees will change token deposit behavior
    bool hasTransferFee;
    TokenType tokenType;
    uint8 decimalPlaces;
    uint72 deprecated_maxCollateralBalance;
}

/// @dev Exchange rate object as it is represented in storage, total storage is 25 bytes.
struct ETHRateStorage {
    // Address of the rate oracle
    AggregatorV2V3Interface rateOracle;
    // The decimal places of precision that the rate oracle uses
    uint8 rateDecimalPlaces;
    // True of the exchange rate must be inverted
    bool mustInvert;
    // NOTE: both of these governance values are set with BUFFER_DECIMALS precision
    // Amount of buffer to apply to the exchange rate for negative balances.
    uint8 buffer;
    // Amount of haircut to apply to the exchange rate for positive balances
    uint8 haircut;
    // Liquidation discount in percentage point terms, 106 means a 6% discount
    uint8 liquidationDiscount;
}

/// @dev Asset rate oracle object as it is represented in storage, total storage is 21 bytes.
struct AssetRateStorage {
    // Address of the rate oracle
    AssetRateAdapter rateOracle;
    // The decimal places of the underlying asset
    uint8 underlyingDecimalPlaces;
}

/// @dev Governance parameters for a cash group, total storage is 9 bytes + 7 bytes for liquidity token haircuts
/// and 7 bytes for rate scalars, total of 23 bytes. Note that this is stored packed in the storage slot so there
/// are no indexes stored for liquidityTokenHaircuts or rateScalars, maxMarketIndex is used instead to determine the
/// length.
struct CashGroupSettings {
    // Index of the AMMs on chain that will be made available. Idiosyncratic fCash
    // that is dated less than the longest AMM will be tradable.
    uint8 maxMarketIndex;
    // Time window in 5 minute increments that the rate oracle will be averaged over
    uint8 rateOracleTimeWindow5Min;
    // Absolute maximum discount factor as a discount from 1e9, specified in five basis points
    // subtracted from 1e9
    uint8 maxDiscountFactor5BPS;
    // Share of the fees given to the protocol, denominated in percentage
    uint8 reserveFeeShare;
    // Debt buffer specified in 5 BPS increments
    uint8 debtBuffer25BPS;
    // fCash haircut specified in 5 BPS increments
    uint8 fCashHaircut25BPS;
    // Minimum oracle interest rates for fCash per market, specified in 25 bps increments
    uint8 minOracleRate25BPS;
    // If an account has fCash that is being liquidated, this is the discount that the liquidator can purchase it for
    uint8 liquidationfCashHaircut25BPS;
    // If an account has fCash that is being liquidated, this is the discount that the liquidator can purchase it for
    uint8 liquidationDebtBuffer25BPS;
    // Max oracle rate specified in 25bps increments as a discount from the max rate in the market.
    uint8 maxOracleRate25BPS;
}

/// @dev Holds account level context information used to determine settlement and
/// free collateral actions. Total storage is 28 bytes
struct AccountContext {
    // Used to check when settlement must be triggered on an account
    uint40 nextSettleTime;
    // For lenders that never incur debt, we use this flag to skip the free collateral check.
    bytes1 hasDebt;
    // Length of the account's asset array
    uint8 assetArrayLength;
    // If this account has bitmaps set, this is the corresponding currency id
    uint16 bitmapCurrencyId;
    // 9 total active currencies possible (2 bytes each)
    bytes18 activeCurrencies;
    // If this is set to true, the account can borrow variable prime cash and incur
    // negative cash balances inside BatchAction. This does not impact the settlement
    // of negative fCash to prime cash which will happen regardless of this setting. This
    // exists here mainly as a safety setting to ensure that accounts do not accidentally
    // incur negative cash balances.
    bool allowPrimeBorrow;
}

/// @dev Holds nToken context information mapped via the nToken address, total storage is
/// 16 bytes
struct nTokenContext {
    // Currency id that the nToken represents
    uint16 currencyId;
    // Annual incentive emission rate denominated in WHOLE TOKENS (multiply by
    // INTERNAL_TOKEN_PRECISION to get the actual rate)
    uint32 incentiveAnnualEmissionRate;
    // The last block time at utc0 that the nToken was initialized at, zero if it
    // has never been initialized
    uint32 lastInitializedTime;
    // Length of the asset array, refers to the number of liquidity tokens an nToken
    // currently holds
    uint8 assetArrayLength;
    // Each byte is a specific nToken parameter
    bytes6 nTokenParameters;
    // Reserved bytes for future usage
    bytes14 _unused;
    // Set to true if a secondary rewarder is set
    bool hasSecondaryRewarder;
}

/// @dev Holds account balance information, total storage 32 bytes
struct BalanceStorage {
    // Number of nTokens held by the account
    uint80 nTokenBalance;
    // Last time the account claimed their nTokens
    uint32 lastClaimTime;
    // Incentives that the account no longer has a claim over
    uint56 accountIncentiveDebt;
    // Cash balance of the account
    int88 cashBalance;
}

/// @dev Holds information about a settlement rate, total storage 25 bytes
struct SettlementRateStorage {
    uint40 blockTime;
    uint128 settlementRate;
    uint8 underlyingDecimalPlaces;
}

/// @dev Holds information about a market, total storage is 42 bytes so this spans
/// two storage words
struct MarketStorage {
    // Total fCash in the market
    uint80 totalfCash;
    // Total asset cash in the market
    uint80 totalPrimeCash;
    // Last annualized interest rate the market traded at
    uint32 lastImpliedRate;
    // Last recorded oracle rate for the market
    uint32 oracleRate;
    // Last time a trade was made
    uint32 previousTradeTime;
    // This is stored in slot + 1
    uint80 totalLiquidity;
}

struct InterestRateParameters {
    // First kink for the utilization rate in RATE_PRECISION
    uint256 kinkUtilization1;
    // Second kink for the utilization rate in RATE_PRECISION
    uint256 kinkUtilization2;
    // First kink interest rate in RATE_PRECISION
    uint256 kinkRate1;
    // Second kink interest rate in RATE_PRECISION
    uint256 kinkRate2;
    // Max interest rate in RATE_PRECISION
    uint256 maxRate;
    // Minimum fee charged in RATE_PRECISION
    uint256 minFeeRate;
    // Maximum fee charged in RATE_PRECISION
    uint256 maxFeeRate;
    // Percentage of the interest rate that will be applied as a fee
    uint256 feeRatePercent;
}

// Specific interest rate curve settings for each market
struct InterestRateCurveSettings {
    // First kink for the utilization rate, specified as a percentage
    // between 1-100
    uint8 kinkUtilization1;
    // Second kink for the utilization rate, specified as a percentage
    // between 1-100
    uint8 kinkUtilization2;
    // Interest rate at the first kink, set as 1/256 units from the kink
    // rate max
    uint8 kinkRate1;
    // Interest rate at the second kink, set as 1/256 units from the kink
    // rate max
    uint8 kinkRate2;
    // Max interest rate, set in units in 25bps increments less than or equal to 150
    // and 150bps increments from 151 to 255.
    uint8 maxRateUnits;
    // Minimum fee charged in basis points
    uint8 minFeeRate5BPS;
    // Maximum fee charged in basis points
    uint8 maxFeeRate25BPS;
    // Percentage of the interest rate that will be applied as a fee
    uint8 feeRatePercent;
}

struct ifCashStorage {
    // Notional amount of fCash at the slot, limited to int128 to allow for
    // future expansion
    int128 notional;
}

/// @dev A single portfolio asset in storage, total storage of 19 bytes
struct PortfolioAssetStorage {
    // Currency Id for the asset
    uint16 currencyId;
    // Maturity of the asset
    uint40 maturity;
    // Asset type (fCash or Liquidity Token marker)
    uint8 assetType;
    // Notional
    int88 notional;
}

/// @dev nToken total supply factors for the nToken, includes factors related
/// to claiming incentives, total storage 32 bytes. This is the deprecated version
struct nTokenTotalSupplyStorage_deprecated {
    // Total supply of the nToken
    uint96 totalSupply;
    // Integral of the total supply used for calculating the average total supply
    uint128 integralTotalSupply;
    // Last timestamp the supply value changed, used for calculating the integralTotalSupply
    uint32 lastSupplyChangeTime;
}

/// @dev nToken total supply factors for the nToken, includes factors related
/// to claiming incentives, total storage 32 bytes.
struct nTokenTotalSupplyStorage {
    // Total supply of the nToken
    uint96 totalSupply;
    // How many NOTE incentives should be issued per nToken in 1e18 precision
    uint128 accumulatedNOTEPerNToken;
    // Last timestamp when the accumulation happened
    uint32 lastAccumulatedTime;
}

/// @dev Used in view methods to return account balances in a developer friendly manner
struct AccountBalance {
    uint16 currencyId;
    int256 cashBalance;
    int256 nTokenBalance;
    uint256 lastClaimTime;
    uint256 accountIncentiveDebt;
}

struct VaultConfigParams {
    uint16 flags;
    uint16 borrowCurrencyId;
    uint256 minAccountBorrowSize;
    uint16 minCollateralRatioBPS;
    uint8 feeRate5BPS;
    uint8 liquidationRate;
    uint8 reserveFeeShare;
    uint8 maxBorrowMarketIndex;
    uint16 maxDeleverageCollateralRatioBPS;
    uint16[2] secondaryBorrowCurrencies;
    uint16 maxRequiredAccountCollateralRatioBPS;
    uint256[2] minAccountSecondaryBorrow;
    uint8 excessCashLiquidationBonus;
}

struct VaultConfigStorage {
    // Vault Flags (documented in VaultConfiguration.sol)
    uint16 flags;
    // Primary currency the vault borrows in
    uint16 borrowCurrencyId;
    // Specified in whole tokens in 1e8 precision, allows a 4.2 billion min borrow size
    uint32 minAccountBorrowSize;
    // Minimum collateral ratio for a vault specified in basis points, valid values are greater than 10_000
    // where the largest minimum collateral ratio is 65_536 which is much higher than anything reasonable.
    uint16 minCollateralRatioBPS;
    // Allows up to a 12.75% annualized fee
    uint8 feeRate5BPS;
    // A percentage that represents the share of the cash raised that will go to the liquidator
    uint8 liquidationRate;
    // A percentage of the fee given to the protocol
    uint8 reserveFeeShare;
    // Maximum market index where a vault can borrow from
    uint8 maxBorrowMarketIndex;
    // Maximum collateral ratio that a liquidator can push a an account to during deleveraging
    uint16 maxDeleverageCollateralRatioBPS;
    // An optional list of secondary borrow currencies
    uint16[2] secondaryBorrowCurrencies;
    // Required collateral ratio for accounts to stay inside a vault, prevents accounts
    // from "free riding" on vaults. Enforced on entry and exit, not on deleverage.
    uint16 maxRequiredAccountCollateralRatioBPS;
    // Specified in whole tokens in 1e8 precision, allows a 4.2 billion min borrow size
    uint32[2] minAccountSecondaryBorrow;
    // Specified as a percent discount off the exchange rate of the excess cash that will be paid to
    // the liquidator during liquidateExcessVaultCash
    uint8 excessCashLiquidationBonus;
    // 8 bytes left
}

struct VaultBorrowCapacityStorage {
    // Total fCash across all maturities that caps the borrow capacity
    uint80 maxBorrowCapacity;
    // Total fCash debt across all maturities
    uint80 totalfCashDebt;
}

struct VaultAccountSecondaryDebtShareStorage {
    // Maturity for the account's secondary borrows. This is stored separately from
    // the vault account maturity to ensure that we have access to the proper state
    // during a roll borrow position. It should never be allowed to deviate from the
    // vaultAccount.maturity value (unless it is cleared to zero).
    uint40 maturity;
    // Account debt for the first secondary currency in either fCash or pCash denomination
    uint80 accountDebtOne;
    // Account debt for the second secondary currency in either fCash or pCash denomination
    uint80 accountDebtTwo;
}

struct VaultConfig {
    address vault;
    uint16 flags;
    uint16 borrowCurrencyId;
    int256 minAccountBorrowSize;
    int256 feeRate;
    int256 minCollateralRatio;
    int256 liquidationRate;
    int256 reserveFeeShare;
    uint256 maxBorrowMarketIndex;
    int256 maxDeleverageCollateralRatio;
    uint16[2] secondaryBorrowCurrencies;
    PrimeRate primeRate;
    int256 maxRequiredAccountCollateralRatio;
    int256[2] minAccountSecondaryBorrow;
    int256 excessCashLiquidationBonus;
}

/// @notice Represents a Vault's current borrow and collateral state
struct VaultStateStorage {
    // This represents the total amount of borrowing in the vault for the current
    // vault term. If the vault state is the prime cash maturity, this is stored in
    // prime cash debt denomination, if fCash then it is stored in internal underlying.
    uint80 totalDebt;
    // The total amount of prime cash in the pool held as a result of emergency settlement
    uint80 deprecated_totalPrimeCash;
    // Total vault shares in this maturity
    uint80 totalVaultShares;
    // Set to true if a vault's debt position has been migrated to the prime cash vault
    bool isSettled;
    // NOTE: 8 bits left
    // ----- This breaks into a new storage slot -------    
    // The total amount of strategy tokens held in the pool
    uint80 deprecated_totalStrategyTokens;
    // Valuation of a strategy token at settlement
    int80 deprecated_settlementStrategyTokenValue;
    // NOTE: 96 bits left
}

/// @notice Represents the remaining assets in a vault post settlement
struct Deprecated_VaultSettledAssetsStorage {
    // Remaining strategy tokens that have not been withdrawn
    uint80 remainingStrategyTokens;
    // Remaining asset cash that has not been withdrawn
    int80 remainingPrimeCash;
}

struct VaultState {
    uint256 maturity;
    // Total debt is always denominated in underlying on the stack
    int256 totalDebtUnderlying;
    uint256 totalVaultShares;
    bool isSettled;
}

/// @notice Represents an account's position within an individual vault
struct VaultAccountStorage {
    // Total amount of debt for the account in the primary borrowed currency.
    // If the account is borrowing prime cash, this is stored in prime cash debt
    // denomination, if fCash then it is stored in internal underlying.
    uint80 accountDebt;
    // Vault shares that the account holds
    uint80 vaultShares;
    // Maturity when the vault shares and fCash will mature
    uint40 maturity;
    // Last time when a vault was entered or exited, used to ensure that vault accounts do not
    // flash enter/exit. While there is no specified attack vector here, we can use it to prevent
    // an entire class of attacks from happening without reducing UX.
    // NOTE: in the original version this value was set to the block.number, however, in this
    // version it is being changed to time based. On ETH mainnet block heights are much smaller
    // than block times, accounts that migrate from lastEntryBlockHeight => lastUpdateBlockTime
    // will not see any issues with entering / exiting the protocol.
    uint32 lastUpdateBlockTime;
    // ----------------  Second Storage Slot ----------------------
    // Cash balances held by the vault account as a result of lending at zero interest or due
    // to deleveraging (liquidation). In the previous version of leveraged vaults, accounts would
    // simply lend at zero interest which was not a problem. However, with vaults being able to
    // discount fCash to present value, lending at zero percent interest may have an adverse effect
    // on the account's collateral position (i.e. lending at zero puts them further into danger).
    // Holding cash against debt will eliminate that risk, making vault liquidation more similar to
    // regular Notional liquidation.
    uint80 primaryCash;
    uint80 secondaryCashOne;
    uint80 secondaryCashTwo;
}

struct VaultAccount {
    // On the stack, account debts are always in underlying
    int256 accountDebtUnderlying;
    uint256 maturity;
    uint256 vaultShares;
    address account;
    // This cash balance is used just within a transaction to track deposits
    // and withdraws for an account. Must be zeroed by the time we store the account
    int256 tempCashBalance;
    uint256 lastUpdateBlockTime;
}

// Used to hold vault account liquidation factors in memory
struct VaultAccountHealthFactors {
    // Account's calculated collateral ratio
    int256 collateralRatio;
    // Total outstanding debt across all borrowed currencies in primary
    int256 totalDebtOutstandingInPrimary;
    // Total value of vault shares in underlying denomination
    int256 vaultShareValueUnderlying;
    // Debt outstanding in local currency denomination after present value and
    // account cash held netting applied. Can be positive if the account holds cash
    // in excess of debt.
    int256[3] netDebtOutstanding;
}

// PrimeCashInterestRateParameters take up 16 bytes, this takes up 32 bytes so we
// can expand another 16 bytes to increase the storage slots a bit....
struct PrimeCashFactorsStorage {
    // Storage slot 1 [Prime Supply Factors, 248 bytes]
    uint40 lastAccrueTime;
    uint88 totalPrimeSupply;
    uint88 lastTotalUnderlyingValue;
    // Overflows at 429% interest using RATE_PRECISION
    uint32 oracleSupplyRate;
    bool allowDebt;

    // Storage slot 2 [Prime Debt Factors, 256 bytes]
    uint88 totalPrimeDebt;
    // Each one of these values below is stored as a FloatingPoint32 value which
    // gives us approx 7 digits of precision for each value. Because these are used
    // to maintain supply and borrow caps, they are not required to be exact.
    uint32 maxUnderlyingSupply;
    // The maximum utilization that prime debt is allowed to reach by users borrowing prime
    // debt via the markets directly. This cap is not applied to liquidations and settlement.
    uint8 maxPrimeDebtUtilization;
    uint120 _reserved;
    // Reserving the next 128 bytes for future use in case we decide to implement debt
    // caps on a currency. In that case, we will need to track the total fcash overall
    // and subtract the total debt held in vaults.
    // uint32 maxUnderlyingDebt;
    // uint32 totalfCashDebtOverall;
    // uint32 totalfCashDebtInVaults;
    // uint32 totalPrimeDebtInVaults;
    // 8 bytes left
    
    // Storage slot 3 [Prime Scalars, 240 bytes]
    // Scalars are stored in 18 decimal precision (i.e. double rate precision) and uint80
    // maxes out at approx 1,210,000e18
    // ln(1,210,000) = rate * years = 14
    // Approx 46 years at 30% interest
    // Approx 233 years at 6% interest
    uint80 underlyingScalar;
    uint80 supplyScalar;
    uint80 debtScalar;
    // The time window in 5 min increments that the rate oracle will be averaged over
    uint8 rateOracleTimeWindow5Min;
    // 8 bytes left
}

struct PrimeCashFactors {
    uint256 lastAccrueTime;
    uint256 totalPrimeSupply;
    uint256 totalPrimeDebt;
    uint256 oracleSupplyRate;
    uint256 lastTotalUnderlyingValue;
    uint256 underlyingScalar;
    uint256 supplyScalar;
    uint256 debtScalar;
    uint256 rateOracleTimeWindow;
}

struct PrimeRate {
    int256 supplyFactor;
    int256 debtFactor;
    uint256 oracleSupplyRate;
}

struct PrimeSettlementRateStorage {
    uint80 supplyScalar;
    uint80 debtScalar;
    uint80 underlyingScalar;
    bool isSet;
}

struct PrimeCashHoldingsOracle {
   IPrimeCashHoldingsOracle oracle; 
}

// Per currency rebalancing context
struct RebalancingContextStorage {
    // Holds the previous supply factor to calculate the oracle money market rate
    uint128 previousSupplyFactorAtRebalance;
    // Rebalancing has a cool down period that sets the time averaging of the oracle money market rate
    uint40 rebalancingCooldownInSeconds;
    uint40 lastRebalanceTimestampInSeconds;
    // 48 bytes left
}

struct TotalfCashDebtStorage {
    uint80 totalfCashDebt;
    // These two variables are used to track fCash lend at zero
    // edge conditions for leveraged vaults.
    uint80 fCashDebtHeldInSettlementReserve;
    uint80 primeCashHeldInSettlementReserve;
}

struct RebalancingTargetData {
    uint8 targetUtilization;
    uint16 externalWithdrawThreshold;
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity =0.7.6;

import {Deployments} from "../../../global/Deployments.sol";
import {IEIP20NonStandard} from "../../../../interfaces/IEIP20NonStandard.sol";
import {SafeUint256} from "../../../math/SafeUint256.sol";

library GenericToken {
    using SafeUint256 for uint256;

    event LowLevelCallFailed(address indexed target, uint256 msgValue, bytes callData, string revertMessage);

    function transferNativeTokenOut(
        address account,
        uint256 amount,
        bool withdrawWrapped
    ) internal {
        // Native token withdraws are processed using .transfer() which is may not work
        // for certain contracts that do not implement receive() with minimal gas requirements.
        // Prior to the prime cash upgrade, these contracts could withdraw cETH, however, post
        // upgrade they no longer have this option. For these contracts, wrap the Native token
        // (i.e. WETH) and transfer that as an ERC20 instead.
        if (withdrawWrapped) {
            Deployments.WETH.deposit{value: amount}();
            safeTransferOut(address(Deployments.WETH), account, amount);
        } else {
            // TODO: consider using .call with a manual amount of gas forwarding
            payable(account).transfer(amount);
        }
    }

    function safeTransferOut(
        address token,
        address account,
        uint256 amount
    ) internal {
        IEIP20NonStandard(token).transfer(account, amount);
        checkReturnCode();
    }

    function safeTransferIn(
        address token,
        address account,
        uint256 amount
    ) internal returns (uint256) {
        uint256 startingBalance = IEIP20NonStandard(token).balanceOf(address(this));

        IEIP20NonStandard(token).transferFrom(account, address(this), amount);
        checkReturnCode();

        uint256 endingBalance = IEIP20NonStandard(token).balanceOf(address(this));

        return endingBalance.sub(startingBalance);
    }

    function safeTransferFrom(
        address token,
        address from,
        address to,
        uint256 amount
    ) internal {
        IEIP20NonStandard(token).transferFrom(from, to, amount);
        checkReturnCode();
    }

    function executeLowLevelCall(
        address target,
        uint256 msgValue,
        bytes memory callData
    ) internal  {
        (bool status, bytes memory returnData) = target.call{value: msgValue}(callData);
        require(status, checkRevertMessage(returnData));
    }

    function checkRevertMessage(bytes memory returnData) internal pure returns (string memory) {
        // If the _res length is less than 68, then the transaction failed silently (without a revert message)
        if (returnData.length < 68) return "Silent Revert";

        assembly {
            // Slice the sighash.
            returnData := add(returnData, 0x04)
        }
        return abi.decode(returnData, (string)); // All that remains is the revert string
    }

    function checkReturnCode() internal pure {
        bool success;
        uint256[1] memory result;
        assembly {
            switch returndatasize()
                case 0 {
                    // This is a non-standard ERC-20
                    success := 1 // set success to true
                }
                case 32 {
                    // This is a compliant ERC-20
                    returndatacopy(result, 0, 32)
                    success := mload(result) // Set `success = returndata` of external call
                }
                default {
                    // This is an excessively non-compliant ERC-20, revert.
                    revert(0, 0)
                }
        }

        require(success, "ERC20");
    }

}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity =0.7.6;
pragma abicoder v2;

import {Constants} from "../global/Constants.sol";

/// @notice Helper methods for bitmaps, they are big-endian and 1-indexed.
library Bitmap {

    /// @notice Set a bit on or off in a bitmap, index is 1-indexed
    function setBit(
        bytes32 bitmap,
        uint256 index,
        bool setOn
    ) internal pure returns (bytes32) {
        require(index >= 1 && index <= 256); // dev: set bit index bounds

        if (setOn) {
            return bitmap | (Constants.MSB >> (index - 1));
        } else {
            return bitmap & ~(Constants.MSB >> (index - 1));
        }
    }

    /// @notice Check if a bit is set
    function isBitSet(bytes32 bitmap, uint256 index) internal pure returns (bool) {
        require(index >= 1 && index <= 256); // dev: set bit index bounds
        return ((bitmap << (index - 1)) & Constants.MSB) == Constants.MSB;
    }

    /// @notice Count the total bits set
    function totalBitsSet(bytes32 bitmap) internal pure returns (uint256) {
        uint256 x = uint256(bitmap);
        x = (x & 0x5555555555555555555555555555555555555555555555555555555555555555) + (x >> 1 & 0x5555555555555555555555555555555555555555555555555555555555555555);
        x = (x & 0x3333333333333333333333333333333333333333333333333333333333333333) + (x >> 2 & 0x3333333333333333333333333333333333333333333333333333333333333333);
        x = (x & 0x0707070707070707070707070707070707070707070707070707070707070707) + (x >> 4);
        x = (x & 0x000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F) + (x >> 8 & 0x000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F);
        x = x + (x >> 16);
        x = x + (x >> 32);
        x = x  + (x >> 64);
        return (x & 0xFF) + (x >> 128 & 0xFF);
    }

    // Does a binary search over x to get the position of the most significant bit
    function getMSB(uint256 x) internal pure returns (uint256 msb) {
        // If x == 0 then there is no MSB and this method will return zero. That would
        // be the same as the return value when x == 1 (MSB is zero indexed), so instead
        // we have this require here to ensure that the values don't get mixed up.
        require(x != 0); // dev: get msb zero value
        if (x >= 0x100000000000000000000000000000000) {
            x >>= 128;
            msb += 128;
        }
        if (x >= 0x10000000000000000) {
            x >>= 64;
            msb += 64;
        }
        if (x >= 0x100000000) {
            x >>= 32;
            msb += 32;
        }
        if (x >= 0x10000) {
            x >>= 16;
            msb += 16;
        }
        if (x >= 0x100) {
            x >>= 8;
            msb += 8;
        }
        if (x >= 0x10) {
            x >>= 4;
            msb += 4;
        }
        if (x >= 0x4) {
            x >>= 2;
            msb += 2;
        }
        if (x >= 0x2) msb += 1; // No need to shift xc anymore
    }

    /// @dev getMSB returns a zero indexed bit number where zero is the first bit counting
    /// from the right (little endian). Asset Bitmaps are counted from the left (big endian)
    /// and one indexed.
    function getNextBitNum(bytes32 bitmap) internal pure returns (uint256 bitNum) {
        // Short circuit the search if bitmap is all zeros
        if (bitmap == 0x00) return 0;

        return 255 - getMSB(uint256(bitmap)) + 1;
    }
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity =0.7.6;

import {Bitmap} from "./Bitmap.sol";
import {SafeInt256} from "./SafeInt256.sol";
import {SafeUint256} from "./SafeUint256.sol";

/**
 * Packs an uint value into a "floating point" storage slot. Used for storing
 * lastClaimIntegralSupply values in balance storage. For these values, we don't need
 * to maintain exact precision but we don't want to be limited by storage size overflows.
 *
 * A floating point value is defined by the 48 most significant bits and an 8 bit number
 * of bit shifts required to restore its precision. The unpacked value will always be less
 * than the packed value with a maximum absolute loss of precision of (2 ** bitShift) - 1.
 */
library FloatingPoint {
    using SafeInt256 for int256;
    using SafeUint256 for uint256;

    function packTo56Bits(uint256 value) internal pure returns (uint56) {
        uint256 bitShift;
        // If the value is over the uint48 max value then we will shift it down
        // given the index of the most significant bit. We store this bit shift 
        // in the least significant byte of the 56 bit slot available.
        if (value > type(uint48).max) bitShift = (Bitmap.getMSB(value) - 47);

        uint256 shiftedValue = value >> bitShift;
        return uint56((shiftedValue << 8) | bitShift);
    }

    function packTo32Bits(uint256 value) internal pure returns (uint32) {
        uint256 bitShift;
        // If the value is over the uint24 max value then we will shift it down
        // given the index of the most significant bit. We store this bit shift 
        // in the least significant byte of the 32 bit slot available.
        if (value > type(uint24).max) bitShift = (Bitmap.getMSB(value) - 23);

        uint256 shiftedValue = value >> bitShift;
        return uint32((shiftedValue << 8) | bitShift);
    }

    function unpackFromBits(uint256 value) internal pure returns (uint256) {
        // The least significant 8 bits will be the amount to bit shift
        uint256 bitShift = uint256(uint8(value));
        return ((value >> 8) << bitShift);
    }
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity =0.7.6;

import {Constants} from "../global/Constants.sol";

library SafeInt256 {
    int256 private constant _INT256_MIN = type(int256).min;

    /// @dev Returns the multiplication of two signed integers, reverting on
    /// overflow.

    /// Counterpart to Solidity's `*` operator.

    /// Requirements:

    /// - Multiplication cannot overflow.

    function mul(int256 a, int256 b) internal pure returns (int256 c) {
        c = a * b;
        if (a == -1) require (b == 0 || c / b == a);
        else require (a == 0 || c / a == b);
    }

    /// @dev Returns the integer division of two signed integers. Reverts on
    /// division by zero. The result is rounded towards zero.

    /// Counterpart to Solidity's `/` operator. Note: this function uses a
    /// `revert` opcode (which leaves remaining gas untouched) while Solidity
    /// uses an invalid opcode to revert (consuming all remaining gas).

    /// Requirements:

    /// - The divisor cannot be zero.

    function div(int256 a, int256 b) internal pure returns (int256 c) {
        require(!(b == -1 && a == _INT256_MIN)); // dev: int256 div overflow
        // NOTE: solidity will automatically revert on divide by zero
        c = a / b;
    }

    function sub(int256 x, int256 y) internal pure returns (int256 z) {
        //  taken from uniswap v3
        require((z = x - y) <= x == (y >= 0));
    }

    function add(int256 x, int256 y) internal pure returns (int256 z) {
        require((z = x + y) >= x == (y >= 0));
    }

    function neg(int256 x) internal pure returns (int256 y) {
        return mul(-1, x);
    }

    function abs(int256 x) internal pure returns (int256) {
        if (x < 0) return neg(x);
        else return x;
    }

    function subNoNeg(int256 x, int256 y) internal pure returns (int256 z) {
        z = sub(x, y);
        require(z >= 0); // dev: int256 sub to negative

        return z;
    }

    /// @dev Calculates x * RATE_PRECISION / y while checking overflows
    function divInRatePrecision(int256 x, int256 y) internal pure returns (int256) {
        return div(mul(x, Constants.RATE_PRECISION), y);
    }

    /// @dev Calculates x * y / RATE_PRECISION while checking overflows
    function mulInRatePrecision(int256 x, int256 y) internal pure returns (int256) {
        return div(mul(x, y), Constants.RATE_PRECISION);
    }

    function toUint(int256 x) internal pure returns (uint256) {
        require(x >= 0);
        return uint256(x);
    }

    function toInt(uint256 x) internal pure returns (int256) {
        require (x <= uint256(type(int256).max)); // dev: toInt overflow
        return int256(x);
    }

    function toInt80(int256 x) internal pure returns (int80) {
        require (int256(type(int80).min) <= x && x <= int256(type(int80).max)); // dev: toInt overflow
        return int80(x);
    }

    function toInt88(int256 x) internal pure returns (int88) {
        require (int256(type(int88).min) <= x && x <= int256(type(int88).max)); // dev: toInt overflow
        return int88(x);
    }

    function toInt128(int256 x) internal pure returns (int128) {
        require (int256(type(int128).min) <= x && x <= int256(type(int128).max)); // dev: toInt overflow
        return int128(x);
    }

    function max(int256 x, int256 y) internal pure returns (int256) {
        return x > y ? x : y;
    }

    function min(int256 x, int256 y) internal pure returns (int256) {
        return x < y ? x : y;
    }

    /// @notice Returns the net change in negative signed values, used for
    /// determining the (positive) amount of debt change
    function negChange(int256 start, int256 end) internal pure returns (int256) {
        // No change in these two scenarios
        if (start == end || (start >= 0 && end >= 0)) return 0;
        if (start <= 0 && 0 < end) {
            // Negative portion has been eliminated so the net change on the
            // negative side is start (i.e. a reduction in the negative balance)
            return start;
        } else if (end <= 0 && 0 < start) {
            // Entire negative portion has been created so the net change on the
            // negative side is -end (i.e. an increase in the negative balance)
            return neg(end);
        } else if (start <= 0 && end <= 0) {
            // There is some net change in the negative amounts.
            // If start < end then this is negative, debt has been reduced
            // If end < start then this is positive, debt has been increased
            return sub(start, end);
        }

        // Should never get to this point
        revert();
    }
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity =0.7.6;

import {Constants} from "../global/Constants.sol";

library SafeUint256 {
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a);
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a);
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b);
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0);
        return a / b;
    }

    function max(uint256 x, uint256 y) internal pure returns (uint256) {
        return x > y ? x : y;
    }

    function min(uint256 x, uint256 y) internal pure returns (uint256) {
        return x < y ? x : y;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0);
        return a % b;
    }

    function divInRatePrecision(uint256 x, uint256 y) internal pure returns (uint256) {
        return div(mul(x, uint256(Constants.RATE_PRECISION)), y);
    }

    function mulInRatePrecision(uint256 x, uint256 y) internal pure returns (uint256) {
        return div(mul(x, y), uint256(Constants.RATE_PRECISION));
    }

    function divInScalarPrecision(uint256 x, uint256 y) internal pure returns (uint256) {
        return div(mul(x, Constants.SCALAR_PRECISION), y);
    }

    function mulInScalarPrecision(uint256 x, uint256 y) internal pure returns (uint256) {
        return div(mul(x, y), Constants.SCALAR_PRECISION);
    }

    function toUint8(uint256 x) internal pure returns (uint8) {
        require(x <= type(uint8).max);
        return uint8(x);
    }

    function toUint32(uint256 x) internal pure returns (uint32) {
        require(x <= type(uint32).max);
        return uint32(x);
    }

    function toUint40(uint256 x) internal pure returns (uint40) {
        require(x <= type(uint40).max);
        return uint40(x);
    }

    function toUint48(uint256 x) internal pure returns (uint48) {
        require(x <= type(uint48).max);
        return uint48(x);
    }

    function toUint56(uint256 x) internal pure returns (uint56) {
        require(x <= type(uint56).max);
        return uint56(x);
    }

    function toUint72(uint256 x) internal pure returns (uint72) {
        require(x <= type(uint72).max);
        return uint72(x);
    }
    
    function toUint80(uint256 x) internal pure returns (uint80) {
        require(x <= type(uint80).max);
        return uint80(x);
    }

    function toUint88(uint256 x) internal pure returns (uint88) {
        require(x <= type(uint88).max);
        return uint88(x);
    }

    function toUint104(uint256 x) internal pure returns (uint104) {
        require(x <= type(uint104).max);
        return uint104(x);
    }

    function toUint112(uint256 x) internal pure returns (uint112) {
        require(x <= type(uint112).max);
        return uint112(x);
    }

    function toUint128(uint256 x) internal pure returns (uint128) {
        require(x <= type(uint128).max);
        return uint128(x);
    }

    function toInt(uint256 x) internal pure returns (int256) {
        require (x <= uint256(type(int256).max)); // dev: toInt overflow
        return int256(x);
    }

}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.3.2 (proxy/beacon/IBeacon.sol)

pragma solidity >=0.7.6;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

interface IUpgradeableBeacon is IBeacon {
    function upgradeTo(address newImplementation) external;
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;
pragma abicoder v2;

struct LendingPoolStorage {
  ILendingPool lendingPool;
}

interface ILendingPool {

  /**
   * @dev Deposits an `amount` of underlying asset into the reserve, receiving in return overlying aTokens.
   * - E.g. User deposits 100 USDC and gets in return 100 aUSDC
   * @param asset The address of the underlying asset to deposit
   * @param amount The amount to be deposited
   * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
   *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
   *   is a different wallet
   * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   **/
  function deposit(
    address asset,
    uint256 amount,
    address onBehalfOf,
    uint16 referralCode
  ) external;

  /**
   * @dev Withdraws an `amount` of underlying asset from the reserve, burning the equivalent aTokens owned
   * E.g. User has 100 aUSDC, calls withdraw() and receives 100 USDC, burning the 100 aUSDC
   * @param asset The address of the underlying asset to withdraw
   * @param amount The underlying amount to be withdrawn
   *   - Send the value type(uint256).max in order to withdraw the whole aToken balance
   * @param to Address that will receive the underlying, same as msg.sender if the user
   *   wants to receive it on his own wallet, or a different address if the beneficiary is a
   *   different wallet
   * @return The final amount withdrawn
   **/
  function withdraw(
    address asset,
    uint256 amount,
    address to
  ) external returns (uint256);

  /**
   * @dev Returns the normalized income normalized income of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The reserve's normalized income
   */
  function getReserveNormalizedIncome(address asset) external view returns (uint256);

    /**
   * @dev Returns the state and configuration of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The state of the reserve
   **/
  function getReserveData(address asset) external view returns (ReserveData memory);

  struct ReserveData {
    ReserveConfigurationMap configuration;
    uint128 liquidityIndex;
    uint128 currentLiquidityRate;
    uint128 variableBorrowIndex;
    uint128 currentVariableBorrowRate;
    uint128 currentStableBorrowRate;
    uint40 lastUpdateTimestamp;
    uint16 id;
    address aTokenAddress;
    address stableDebtTokenAddress;
    address variableDebtTokenAddress;
    address interestRateStrategyAddress;
    uint128 accruedToTreasury;
    uint128 unbacked;
    uint128 isolationModeTotalDebt;
  }

  struct ReserveConfigurationMap {
    //bit 0-15: LTV
    //bit 16-31: Liq. threshold
    //bit 32-47: Liq. bonus
    //bit 48-55: Decimals
    //bit 56: Reserve is active
    //bit 57: reserve is frozen
    //bit 58: borrowing is enabled
    //bit 59: stable rate borrowing enabled
    //bit 60-63: reserved
    //bit 64-79: reserve factor
    uint256 data;
  }

  struct UserConfigurationMap {
    uint256 data;
  }

  enum InterestRateMode {NONE, STABLE, VARIABLE}
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0;

interface AggregatorInterface {
  function latestAnswer() external view returns (int256);
  function latestTimestamp() external view returns (uint256);
  function latestRound() external view returns (uint256);
  function getAnswer(uint256 roundId) external view returns (int256);
  function getTimestamp(uint256 roundId) external view returns (uint256);

  event AnswerUpdated(int256 indexed current, uint256 indexed roundId, uint256 updatedAt);
  event NewRound(uint256 indexed roundId, address indexed startedBy, uint256 startedAt);
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0;

import "./AggregatorInterface.sol";
import "./AggregatorV3Interface.sol";

interface AggregatorV2V3Interface is AggregatorInterface, AggregatorV3Interface
{
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0;

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
    );

}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;

/**
 * @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 IEIP20NonStandard {

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

    /**
      * @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
      */
    function approve(address spender, uint256 amount) external;

    /**
      * @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: MIT
pragma solidity >=0.7.6;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    function decimals() external view returns (uint8);

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

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

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

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

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

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

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

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.0;

/// @notice Used as a wrapper for tokens that are interest bearing for an
/// underlying token. Follows the cToken interface, however, can be adapted
/// for other interest bearing tokens.
interface AssetRateAdapter {
    function token() external view returns (address);

    function decimals() external view returns (uint8);

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

    function version() external view returns (uint256);

    function underlying() external view returns (address);

    function getExchangeRateStateful() external returns (int256);

    function getExchangeRateView() external view returns (int256);

    function getAnnualizedSupplyRate() external view returns (uint256);
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.0;
pragma abicoder v2;

struct DepositData {
    address[] targets;
    bytes[] callData;
    uint256[] msgValue;
    uint256 underlyingDepositAmount;
    address assetToken;
    uint8 rebasingTokenBalanceAdjustment;
}

struct RedeemData {
    address[] targets;
    bytes[] callData;
    uint256 expectedUnderlying;
    address assetToken;
    uint8 rebasingTokenBalanceAdjustment;
}

struct OracleData {
    address holding;
    uint256 externalUnderlyingAvailableForWithdraw;
    uint256 currentExternalUnderlyingLend;
    uint256 maxExternalDeposit;
}

interface IPrimeCashHoldingsOracle {
    /// @notice Returns a list of the various holdings for the prime cash
    /// currency
    function holdings() external view returns (address[] memory);

    /// @notice Returns the underlying token that all holdings can be redeemed
    /// for.
    function underlying() external view returns (address);

    /// @notice Returns the native decimal precision of the underlying token
    function decimals() external view returns (uint8);

    /// @notice Returns the total underlying held by the caller in all the
    /// listed holdings
    function getTotalUnderlyingValueStateful() external returns (
        uint256 nativePrecision,
        uint256 internalPrecision
    );

    function getTotalUnderlyingValueView() external view returns (
        uint256 nativePrecision,
        uint256 internalPrecision
    );

    /// @notice Returns calldata for how to withdraw an amount
    function getRedemptionCalldata(uint256 withdrawAmount) external view returns (
        RedeemData[] memory redeemData
    );

    function holdingValuesInUnderlying() external view returns (uint256[] memory);

    function getRedemptionCalldataForRebalancing(
        address[] calldata _holdings, 
        uint256[] calldata withdrawAmounts
    ) external view returns (
        RedeemData[] memory redeemData
    );

    function getDepositCalldataForRebalancing(
        address[] calldata _holdings,
        uint256[] calldata depositAmounts
    ) external view returns (
        DepositData[] memory depositData
    );

    function getOracleData() external view returns (OracleData memory);
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;

interface IRewarder {
    event RewardTransfer(address indexed rewardToken, address indexed account, uint256 amount);
    event RewardEmissionUpdate(uint256 emissionRatePerYear, uint256 endTime);

    function NTOKEN_ADDRESS() external returns(address);

    function CURRENCY_ID() external returns(uint16);

    function detached() external returns(bool);

    function claimRewards(
        address account,
        uint16 currencyId,
        uint256 nTokenBalanceBefore,
        uint256 nTokenBalanceAfter,
        uint256 totalSupply
    ) external;

    function getAccountRewardClaim(address account, uint32 blockTime) external returns (uint256);

    function getAccountRewardClaim(address account, uint256 nTokenBalanceAtDetach, bytes32[] calldata proof)
        external
        returns (uint256);

    function claimRewardsDirect(address account, uint256 nTokenBalanceAtDetach, bytes32[] calldata proof) external;

    function accumulatedRewardPerNToken() external returns (uint128);

    function lastAccumulatedTime() external returns (uint32);

    function emissionRatePerYear() external returns (uint128);

    function detach() external;
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;
pragma abicoder v2;

import {
    VaultConfigParams,
    VaultConfigStorage,
    VaultConfig,
    VaultState,
    VaultAccount,
    VaultAccountHealthFactors,
    PrimeRate
} from "../../contracts/global/Types.sol";

interface IVaultAction {
    /// @notice Emitted when a new vault is listed or updated
    event VaultUpdated(address indexed vault, bool enabled, uint80 maxPrimaryBorrowCapacity);
    /// @notice Emitted when a vault's status is updated
    event VaultPauseStatus(address indexed vault, bool enabled);
    /// @notice Emitted when a vault's deleverage status is updated
    event VaultDeleverageStatus(address indexed vaultAddress, bool disableDeleverage);
    /// @notice Emitted when a secondary currency borrow capacity is updated
    event VaultUpdateSecondaryBorrowCapacity(address indexed vault, uint16 indexed currencyId, uint80 maxSecondaryBorrowCapacity);
    /// @notice Emitted when the borrow capacity on a vault changes
    event VaultBorrowCapacityChange(address indexed vault, uint16 indexed currencyId, uint256 totalUsedBorrowCapacity);

    /// @notice Emitted when a vault executes a secondary borrow
    event VaultSecondaryTransaction(
        address indexed vault,
        address indexed account,
        uint16 indexed currencyId,
        uint256 maturity,
        int256 netUnderlyingDebt,
        int256 netPrimeSupply
    );

    /** Vault Action Methods */

    /// @notice Governance only method to whitelist a particular vault
    function updateVault(
        address vaultAddress,
        VaultConfigParams memory vaultConfig,
        uint80 maxPrimaryBorrowCapacity
    ) external;

    /// @notice Governance only method to pause a particular vault
    function setVaultPauseStatus(
        address vaultAddress,
        bool enable
    ) external;

    function setVaultDeleverageStatus(
        address vaultAddress,
        bool disableDeleverage
    ) external;

    /// @notice Governance only method to set the borrow capacity
    function setMaxBorrowCapacity(
        address vaultAddress,
        uint80 maxVaultBorrowCapacity
    ) external;

    /// @notice Governance only method to update a vault's secondary borrow capacity
    function updateSecondaryBorrowCapacity(
        address vaultAddress,
        uint16 secondaryCurrencyId,
        uint80 maxBorrowCapacity
    ) external;

    function borrowSecondaryCurrencyToVault(
        address account,
        uint256 maturity,
        uint256[2] calldata underlyingToBorrow,
        uint32[2] calldata maxBorrowRate,
        uint32[2] calldata minRollLendRate
    ) external returns (int256[2] memory underlyingTokensTransferred);

    function repaySecondaryCurrencyFromVault(
        address account,
        uint256 maturity,
        uint256[2] calldata underlyingToRepay,
        uint32[2] calldata minLendRate
    ) external payable returns (int256[2] memory underlyingDepositExternal);

    function settleSecondaryBorrowForAccount(address vault, address account) external;
}

interface IVaultAccountAction {
    /**
     * @notice Borrows a specified amount of fCash in the vault's borrow currency and deposits it
     * all plus the depositAmountExternal into the vault to mint strategy tokens.
     *
     * @param account the address that will enter the vault
     * @param vault the vault to enter
     * @param depositAmountExternal some amount of additional collateral in the borrowed currency
     * to be transferred to vault
     * @param maturity the maturity to borrow at
     * @param fCash amount to borrow
     * @param maxBorrowRate maximum interest rate to borrow at
     * @param vaultData additional data to pass to the vault contract
     */
    function enterVault(
        address account,
        address vault,
        uint256 depositAmountExternal,
        uint256 maturity,
        uint256 fCash,
        uint32 maxBorrowRate,
        bytes calldata vaultData
    ) external payable returns (uint256 strategyTokensAdded);

    /**
     * @notice Re-enters the vault at a longer dated maturity. The account's existing borrow
     * position will be closed and a new borrow position at the specified maturity will be
     * opened. All strategy token holdings will be rolled forward.
     *
     * @param account the address that will reenter the vault
     * @param vault the vault to reenter
     * @param fCashToBorrow amount of fCash to borrow in the next maturity
     * @param maturity new maturity to borrow at
     */
    function rollVaultPosition(
        address account,
        address vault,
        uint256 fCashToBorrow,
        uint256 maturity,
        uint256 depositAmountExternal,
        uint32 minLendRate,
        uint32 maxBorrowRate,
        bytes calldata enterVaultData
    ) external payable returns (uint256 strategyTokensAdded);

    /**
     * @notice Prior to maturity, allows an account to withdraw their position from the vault. Will
     * redeem some number of vault shares to the borrow currency and close the borrow position by
     * lending `fCashToLend`. Any shortfall in cash from lending will be transferred from the account,
     * any excess profits will be transferred to the account.
     *
     * Post maturity, will net off the account's debt against vault cash balances and redeem all remaining
     * strategy tokens back to the borrowed currency and transfer the profits to the account.
     *
     * @param account the address that will exit the vault
     * @param vault the vault to enter
     * @param vaultSharesToRedeem amount of vault tokens to exit, only relevant when exiting pre-maturity
     * @param fCashToLend amount of fCash to lend
     * @param minLendRate the minimum rate to lend at
     * @param exitVaultData passed to the vault during exit
     * @return underlyingToReceiver amount of underlying tokens returned to the receiver on exit
     */
    function exitVault(
        address account,
        address vault,
        address receiver,
        uint256 vaultSharesToRedeem,
        uint256 fCashToLend,
        uint32 minLendRate,
        bytes calldata exitVaultData
    ) external payable returns (uint256 underlyingToReceiver);

    function settleVaultAccount(address account, address vault) external;
}

interface IVaultLiquidationAction {
    event VaultDeleverageAccount(
        address indexed vault,
        address indexed account,
        uint16 currencyId,
        uint256 vaultSharesToLiquidator,
        int256 depositAmountPrimeCash
    );

    event VaultLiquidatorProfit(
        address indexed vault,
        address indexed account,
        address indexed liquidator,
        uint256 vaultSharesToLiquidator,
        bool transferSharesToLiquidator
    );
    
    event VaultAccountCashLiquidation(
        address indexed vault,
        address indexed account,
        address indexed liquidator,
        uint16 currencyId,
        int256 fCashDeposit,
        int256 cashToLiquidator
    );

    /**
     * @notice If an account is below the minimum collateral ratio, this method wil deleverage (liquidate)
     * that account. `depositAmountExternal` in the borrow currency will be transferred from the liquidator
     * and used to offset the account's debt position. The liquidator will receive either vaultShares or
     * cash depending on the vault's configuration.
     * @param account the address that will exit the vault
     * @param vault the vault to enter
     * @param liquidator the address that will receive profits from liquidation
     * @param depositAmountPrimeCash amount of cash to deposit
     * @return vaultSharesFromLiquidation amount of vaultShares received from liquidation
     */
    function deleverageAccount(
        address account,
        address vault,
        address liquidator,
        uint16 currencyIndex,
        int256 depositUnderlyingInternal
    ) external payable returns (uint256 vaultSharesFromLiquidation, int256 depositAmountPrimeCash);

    function liquidateVaultCashBalance(
        address account,
        address vault,
        address liquidator,
        uint256 currencyIndex,
        int256 fCashDeposit
    ) external returns (int256 cashToLiquidator);

    function liquidateExcessVaultCash(
        address account,
        address vault,
        address liquidator,
        uint256 excessCashIndex,
        uint256 debtIndex,
        uint256 _depositUnderlyingInternal
    ) external payable returns (int256 cashToLiquidator);
}

interface IVaultAccountHealth {
    function getVaultAccountHealthFactors(address account, address vault) external view returns (
        VaultAccountHealthFactors memory h,
        int256[3] memory maxLiquidatorDepositUnderlying,
        uint256[3] memory vaultSharesToLiquidator
    );

    function calculateDepositAmountInDeleverage(
        uint256 currencyIndex,
        VaultAccount memory vaultAccount,
        VaultConfig memory vaultConfig,
        VaultState memory vaultState,
        int256 depositUnderlyingInternal
    ) external returns (int256 depositInternal, uint256 vaultSharesToLiquidator, PrimeRate memory);

    function getfCashRequiredToLiquidateCash(
        uint16 currencyId,
        uint256 maturity,
        int256 vaultAccountCashBalance
    ) external view returns (int256 fCashRequired, int256 discountFactor);

    function checkVaultAccountCollateralRatio(address vault, address account, bool checkDebtCap) external;

    function getVaultAccount(address account, address vault) external view returns (VaultAccount memory);
    function getVaultAccountWithFeeAccrual(
        address account, address vault
    ) external view returns (VaultAccount memory, int256 accruedPrimeVaultFeeInUnderlying);

    function getVaultConfig(address vault) external view returns (VaultConfig memory vaultConfig);

    function getBorrowCapacity(address vault, uint16 currencyId) external view returns (
        uint256 currentPrimeDebtUnderlying,
        uint256 totalfCashDebt,
        uint256 maxBorrowCapacity
    );

    function getSecondaryBorrow(address vault, uint16 currencyId, uint256 maturity) 
        external view returns (int256 totalDebt);

    /// @notice View method to get vault state
    function getVaultState(address vault, uint256 maturity) external view returns (VaultState memory vaultState);

    function getVaultAccountSecondaryDebt(address account, address vault) external view returns (
        uint256 maturity,
        int256[2] memory accountSecondaryDebt,
        int256[2] memory accountSecondaryCashHeld
    );

    function signedBalanceOfVaultTokenId(address account, uint256 id) external view returns (int256);
}

interface IVaultController is IVaultAccountAction, IVaultAction, IVaultLiquidationAction, IVaultAccountHealth {}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;
pragma abicoder v2;

import "../../contracts/global/Types.sol";

interface nERC1155Interface {
    event TransferSingle(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256 id,
        uint256 value
    );
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);
    event URI(string value, uint256 indexed id);

    function supportsInterface(bytes4 interfaceId) external pure returns (bool);

    function balanceOf(address account, uint256 id) external view returns (uint256);

    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    function signedBalanceOf(address account, uint256 id) external view returns (int256);

    function signedBalanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (int256[] memory);

    function setApprovalForAll(address operator, bool approved) external;

    function isApprovedForAll(address account, address operator) external view returns (bool);

    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external payable;

    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external payable;

    function decodeToAssets(uint256[] calldata ids, uint256[] calldata amounts)
        external
        view
        returns (PortfolioAsset[] memory);

    function encodeToId(
        uint16 currencyId,
        uint40 maturity,
        uint8 assetType
    ) external pure returns (uint256 id);
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;
pragma abicoder v2;

import "../../contracts/global/Types.sol";

interface NotionalCalculations {
    function calculateNTokensToMint(uint16 currencyId, uint88 amountToDepositExternalPrecision)
        external
        view
        returns (uint256);

    function nTokenPresentValueAssetDenominated(uint16 currencyId) external view returns (int256);

    function nTokenPresentValueUnderlyingDenominated(uint16 currencyId)
        external
        view
        returns (int256);

    function convertNTokenToUnderlying(uint16 currencyId, int256 nTokenBalance) external view returns (int256);

    function getfCashAmountGivenCashAmount(
        uint16 currencyId,
        int88 netCashToAccount,
        uint256 marketIndex,
        uint256 blockTime
    ) external view returns (int256);

    function getCashAmountGivenfCashAmount(
        uint16 currencyId,
        int88 fCashAmount,
        uint256 marketIndex,
        uint256 blockTime
    ) external view returns (int256, int256);

    function nTokenGetClaimableIncentives(address account, uint256 blockTime)
        external
        view
        returns (uint256);

    function getPresentfCashValue(
        uint16 currencyId,
        uint256 maturity,
        int256 notional,
        uint256 blockTime,
        bool riskAdjusted
    ) external view returns (int256 presentValue);

    function getMarketIndex(
        uint256 maturity,
        uint256 blockTime
    ) external pure returns (uint8 marketIndex);

    function getfCashLendFromDeposit(
        uint16 currencyId,
        uint256 depositAmountExternal,
        uint256 maturity,
        uint32 minLendRate,
        uint256 blockTime,
        bool useUnderlying
    ) external view returns (
        uint88 fCashAmount,
        uint8 marketIndex,
        bytes32 encodedTrade
    );

    function getfCashBorrowFromPrincipal(
        uint16 currencyId,
        uint256 borrowedAmountExternal,
        uint256 maturity,
        uint32 maxBorrowRate,
        uint256 blockTime,
        bool useUnderlying
    ) external view returns (
        uint88 fCashDebt,
        uint8 marketIndex,
        bytes32 encodedTrade
    );

    function getDepositFromfCashLend(
        uint16 currencyId,
        uint256 fCashAmount,
        uint256 maturity,
        uint32 minLendRate,
        uint256 blockTime
    ) external view returns (
        uint256 depositAmountUnderlying,
        uint256 depositAmountAsset,
        uint8 marketIndex,
        bytes32 encodedTrade
    );

    function getPrincipalFromfCashBorrow(
        uint16 currencyId,
        uint256 fCashBorrow,
        uint256 maturity,
        uint32 maxBorrowRate,
        uint256 blockTime
    ) external view returns (
        uint256 borrowAmountUnderlying,
        uint256 borrowAmountAsset,
        uint8 marketIndex,
        bytes32 encodedTrade
    );

    function convertCashBalanceToExternal(
        uint16 currencyId,
        int256 cashBalanceInternal,
        bool useUnderlying
    ) external view returns (int256);

    function convertUnderlyingToPrimeCash(
        uint16 currencyId,
        int256 underlyingExternal
    ) external view returns (int256);

    function convertSettledfCash(
        uint16 currencyId,
        uint256 maturity,
        int256 fCashBalance,
        uint256 blockTime
    ) external view returns (int256 signedPrimeSupplyValue);

    function accruePrimeInterest(
        uint16 currencyId
    ) external returns (PrimeRate memory pr, PrimeCashFactors memory);
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;
pragma abicoder v2;

import "../../contracts/global/Deployments.sol";
import "../../contracts/global/Types.sol";
import "../../interfaces/chainlink/AggregatorV2V3Interface.sol";
import "../../interfaces/notional/NotionalGovernance.sol";
import "../../interfaces/notional/IRewarder.sol";
import "../../interfaces/aave/ILendingPool.sol";
import {IPrimeCashHoldingsOracle} from "../../interfaces/notional/IPrimeCashHoldingsOracle.sol";

interface NotionalGovernance {
    event ListCurrency(uint16 newCurrencyId);
    event UpdateETHRate(uint16 currencyId);
    event UpdateAssetRate(uint16 currencyId);
    event UpdateCashGroup(uint16 currencyId);
    event DeployNToken(uint16 currencyId, address nTokenAddress);
    event UpdateDepositParameters(uint16 currencyId);
    event UpdateInitializationParameters(uint16 currencyId);
    event UpdateTokenCollateralParameters(uint16 currencyId);
    event UpdateGlobalTransferOperator(address operator, bool approved);
    event UpdateAuthorizedCallbackContract(address operator, bool approved);
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    event PauseRouterAndGuardianUpdated(address indexed pauseRouter, address indexed pauseGuardian);
    event UpdateInterestRateCurve(uint16 indexed currencyId, uint8 indexed marketIndex);
    event UpdateMaxUnderlyingSupply(uint16 indexed currencyId, uint256 maxUnderlyingSupply);
    event PrimeProxyDeployed(uint16 indexed currencyId, address proxy, bool isCashProxy);

    function transferOwnership(address newOwner, bool direct) external;

    function claimOwnership() external;

    function upgradeBeacon(Deployments.BeaconType proxy, address newBeacon) external;

    function setPauseRouterAndGuardian(address pauseRouter_, address pauseGuardian_) external;

    function listCurrency(
        TokenStorage calldata underlyingToken,
        ETHRateStorage memory ethRate,
        InterestRateCurveSettings calldata primeDebtCurve,
        IPrimeCashHoldingsOracle primeCashHoldingsOracle,
        bool allowPrimeCashDebt,
        uint8 rateOracleTimeWindow5Min,
        string calldata underlyingName,
        string calldata underlyingSymbol
    ) external returns (uint16 currencyId);

    function enableCashGroup(
        uint16 currencyId,
        CashGroupSettings calldata cashGroup,
        string calldata underlyingName,
        string calldata underlyingSymbol
    ) external;

    function updateDepositParameters(
        uint16 currencyId,
        uint32[] calldata depositShares,
        uint32[] calldata leverageThresholds
    ) external;

    function updateInitializationParameters(
        uint16 currencyId,
        uint32[] calldata annualizedAnchorRates,
        uint32[] calldata proportions
    ) external;


    function updateTokenCollateralParameters(
        uint16 currencyId,
        uint8 residualPurchaseIncentive10BPS,
        uint8 pvHaircutPercentage,
        uint8 residualPurchaseTimeBufferHours,
        uint8 cashWithholdingBuffer10BPS,
        uint8 liquidationHaircutPercentage,
        uint8 maxMintDeviationPercentage
    ) external;

    function updateCashGroup(uint16 currencyId, CashGroupSettings calldata cashGroup) external;

    function updateInterestRateCurve(
        uint16 currencyId,
        uint8[] calldata marketIndices,
        InterestRateCurveSettings[] calldata settings
    ) external;

    function setMaxUnderlyingSupply(
        uint16 currencyId,
        uint256 maxUnderlyingSupply,
        uint8 maxPrimeDebtUtilization
    ) external;

    function updatePrimeCashHoldingsOracle(
        uint16 currencyId,
        IPrimeCashHoldingsOracle primeCashHoldingsOracle
    ) external;

    function updatePrimeCashCurve(
        uint16 currencyId,
        InterestRateCurveSettings calldata primeDebtCurve
    ) external;

    function enablePrimeDebt(
        uint16 currencyId,
        string calldata underlyingName,
        string calldata underlyingSymbol
    ) external;

    function updateETHRate(
        uint16 currencyId,
        AggregatorV2V3Interface rateOracle,
        bool mustInvert,
        uint8 buffer,
        uint8 haircut,
        uint8 liquidationDiscount
    ) external;

    function updateAuthorizedCallbackContract(address operator, bool approved) external;
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;
pragma abicoder v2;

import "../../contracts/global/Types.sol";
import "./nTokenERC20.sol";
import "./nERC1155Interface.sol";
import "./NotionalGovernance.sol";
import "./NotionalCalculations.sol";
import "./NotionalViews.sol";
import "./NotionalTreasury.sol";
import {IVaultController} from "./IVaultController.sol";

interface NotionalProxy is
    nTokenERC20,
    nERC1155Interface,
    NotionalGovernance,
    NotionalTreasury,
    NotionalCalculations,
    NotionalViews,
    IVaultController
{
    /** User trading events */
    event MarketsInitialized(uint16 currencyId);
    event SweepCashIntoMarkets(uint16 currencyId, int256 cashIntoMarkets);

    /// @notice Emitted once when incentives are migrated
    event IncentivesMigrated(
        uint16 currencyId,
        uint256 migrationEmissionRate,
        uint256 finalIntegralTotalSupply,
        uint256 migrationTime
    );
    /// @notice Emitted if a token address is migrated
    event TokenMigrated(uint16 currencyId) ;
    /// @notice Emitted whenever an account context has updated
    event AccountContextUpdate(address indexed account);
    /// @notice Emitted when an account has assets that are settled
    event AccountSettled(address indexed account);

    /* Liquidation Events */
    event LiquidateLocalCurrency(
        address indexed liquidated,
        address indexed liquidator,
        uint16 localCurrencyId,
        int256 netLocalFromLiquidator
    );

    event LiquidateCollateralCurrency(
        address indexed liquidated,
        address indexed liquidator,
        uint16 localCurrencyId,
        uint16 collateralCurrencyId,
        int256 netLocalFromLiquidator,
        int256 netCollateralTransfer,
        int256 netNTokenTransfer
    );

    event LiquidatefCashEvent(
        address indexed liquidated,
        address indexed liquidator,
        uint16 localCurrencyId,
        uint16 fCashCurrency,
        int256 netLocalFromLiquidator,
        uint256[] fCashMaturities,
        int256[] fCashNotionalTransfer
    );

    event SetPrimeSettlementRate(
        uint256 indexed currencyId,
        uint256 indexed maturity,
        int256 supplyFactor,
        int256 debtFactor
    );

    /// @notice Emits every time interest is accrued
    event PrimeCashInterestAccrued(
        uint16 indexed currencyId,
        uint256 underlyingScalar,
        uint256 supplyScalar,
        uint256 debtScalar
    );

    event PrimeCashCurveChanged(uint16 indexed currencyId);

    event PrimeCashHoldingsOracleUpdated(uint16 indexed currencyId, address oracle);

    /** UUPS Upgradeable contract calls */
    function upgradeTo(address newImplementation) external;

    function upgradeToAndCall(address newImplementation, bytes memory data) external payable;

    function getImplementation() external view returns (address);

    function owner() external view returns (address);

    function pauseRouter() external view returns (address);

    function pauseGuardian() external view returns (address);

    /** Initialize Markets Action */
    function initializeMarkets(uint16 currencyId, bool isFirstInit) external;

    function sweepCashIntoMarkets(uint16 currencyId) external;

    /** Account Action */
    function nTokenRedeem(
        address redeemer,
        uint16 currencyId,
        uint96 tokensToRedeem_
    ) external returns (int256);

    function enablePrimeBorrow(bool allowPrimeBorrow) external;

    function enableBitmapCurrency(uint16 currencyId) external;

    function settleAccount(address account) external;

    function depositUnderlyingToken(
        address account,
        uint16 currencyId,
        uint256 amountExternalPrecision
    ) external payable returns (uint256);

    function withdraw(
        uint16 currencyId,
        uint88 amountInternalPrecision,
        bool redeemToUnderlying
    ) external returns (uint256);

    function withdrawViaProxy(
        uint16 currencyId,
        address owner,
        address receiver,
        address spender,
        uint88 withdrawAmountPrimeCash
    ) external returns (uint256);

    /** Batch Action */
    function batchBalanceAction(address account, BalanceAction[] calldata actions) external payable;

    function batchBalanceAndTradeAction(address account, BalanceActionWithTrades[] calldata actions)
        external
        payable;

    function batchBalanceAndTradeActionWithCallback(
        address account,
        BalanceActionWithTrades[] calldata actions,
        bytes calldata callbackData
    ) external payable;

    function batchLend(address account, BatchLend[] calldata actions) external;

    /** Liquidation Action */
    function calculateLocalCurrencyLiquidation(
        address liquidateAccount,
        uint16 localCurrency,
        uint96 maxNTokenLiquidation
    ) external returns (int256, int256);

    function liquidateLocalCurrency(
        address liquidateAccount,
        uint16 localCurrency,
        uint96 maxNTokenLiquidation
    ) external payable returns (int256, int256);

    function calculateCollateralCurrencyLiquidation(
        address liquidateAccount,
        uint16 localCurrency,
        uint16 collateralCurrency,
        uint128 maxCollateralLiquidation,
        uint96 maxNTokenLiquidation
    ) external returns (int256, int256, int256);

    function liquidateCollateralCurrency(
        address liquidateAccount,
        uint16 localCurrency,
        uint16 collateralCurrency,
        uint128 maxCollateralLiquidation,
        uint96 maxNTokenLiquidation,
        bool withdrawCollateral,
        bool redeemToUnderlying
    ) external payable returns (int256, int256, int256);

    function calculatefCashLocalLiquidation(
        address liquidateAccount,
        uint16 localCurrency,
        uint256[] calldata fCashMaturities,
        uint256[] calldata maxfCashLiquidateAmounts
    ) external returns (int256[] memory, int256);

    function liquidatefCashLocal(
        address liquidateAccount,
        uint16 localCurrency,
        uint256[] calldata fCashMaturities,
        uint256[] calldata maxfCashLiquidateAmounts
    ) external payable returns (int256[] memory, int256);

    function calculatefCashCrossCurrencyLiquidation(
        address liquidateAccount,
        uint16 localCurrency,
        uint16 fCashCurrency,
        uint256[] calldata fCashMaturities,
        uint256[] calldata maxfCashLiquidateAmounts
    ) external returns (int256[] memory, int256);

    function liquidatefCashCrossCurrency(
        address liquidateAccount,
        uint16 localCurrency,
        uint16 fCashCurrency,
        uint256[] calldata fCashMaturities,
        uint256[] calldata maxfCashLiquidateAmounts
    ) external payable returns (int256[] memory, int256);
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;
pragma abicoder v2;

import {IRewarder} from "./IRewarder.sol";

interface NotionalTreasury {
    event UpdateIncentiveEmissionRate(uint16 currencyId, uint32 newEmissionRate);
    event UpdateSecondaryIncentiveRewarder(uint16 indexed currencyId, address rewarder);

    struct RebalancingTargetConfig {
        address holding;
        uint8 targetUtilization;
        uint16 externalWithdrawThreshold;
    }

    /// @notice Emitted when reserve balance is updated
    event ReserveBalanceUpdated(uint16 indexed currencyId, int256 newBalance);
    /// @notice Emitted when reserve balance is harvested
    event ExcessReserveBalanceHarvested(uint16 indexed currencyId, int256 harvestAmount);
    /// @dev Emitted when treasury manager is updated
    event TreasuryManagerChanged(address indexed previousManager, address indexed newManager);
    /// @dev Emitted when reserve buffer value is updated
    event ReserveBufferUpdated(uint16 currencyId, uint256 bufferAmount);

    event RebalancingTargetsUpdated(uint16 currencyId, RebalancingTargetConfig[] targets);

    event RebalancingCooldownUpdated(uint16 currencyId, uint40 cooldownTimeInSeconds);

    event CurrencyRebalanced(uint16 currencyId, uint256 supplyFactor, uint256 annualizedInterestRate);

    /// @notice Emitted when the interest accrued on asset deposits is harvested 
    event AssetInterestHarvested(uint16 indexed currencyId, address assetToken, uint256 harvestAmount);

    function transferReserveToTreasury(uint16[] calldata currencies) external returns (uint256[] memory);

    function harvestAssetInterest(uint16[] calldata currencies) external;

    function setTreasuryManager(address manager) external;

    function setRebalancingBot(address _rebalancingBot) external;

    function setReserveBuffer(uint16 currencyId, uint256 amount) external;

    function setReserveCashBalance(uint16 currencyId, int256 reserveBalance) external;

    function setRebalancingTargets(uint16 currencyId, RebalancingTargetConfig[] calldata targets) external;

    function setRebalancingCooldown(uint16 currencyId, uint40 cooldownTimeInSeconds) external;

    function checkRebalance() external view returns (uint16[] memory currencyIds);

    function rebalance(uint16 currencyId) external;

    function updateIncentiveEmissionRate(uint16 currencyId, uint32 newEmissionRate) external;

    function setSecondaryIncentiveRewarder(uint16 currencyId, IRewarder rewarder) external;
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;
pragma abicoder v2;

import "../../contracts/global/Types.sol";

interface NotionalViews {
    function getMaxCurrencyId() external view returns (uint16);

    function getCurrencyId(address tokenAddress) external view returns (uint16 currencyId);

    function getCurrency(uint16 currencyId)
        external
        view
        returns (Token memory assetToken, Token memory underlyingToken);

    function getRateStorage(uint16 currencyId)
        external
        view
        returns (ETHRateStorage memory ethRate, AssetRateStorage memory assetRate);

    function getCurrencyAndRates(uint16 currencyId)
        external
        view
        returns (
            Token memory assetToken,
            Token memory underlyingToken,
            ETHRate memory ethRate,
            Deprecated_AssetRateParameters memory assetRate
        );

    function getCashGroup(uint16 currencyId) external view returns (CashGroupSettings memory);

    function getCashGroupAndAssetRate(uint16 currencyId)
        external
        view
        returns (CashGroupSettings memory cashGroup, Deprecated_AssetRateParameters memory assetRate);

    function getInterestRateCurve(uint16 currencyId) external view returns (
        InterestRateParameters[] memory nextInterestRateCurve,
        InterestRateParameters[] memory activeInterestRateCurve
    );

    function getInitializationParameters(uint16 currencyId)
        external
        view
        returns (int256[] memory annualizedAnchorRates, int256[] memory proportions);

    function getDepositParameters(uint16 currencyId)
        external
        view
        returns (int256[] memory depositShares, int256[] memory leverageThresholds);

    function nTokenAddress(uint16 currencyId) external view returns (address);

    function pCashAddress(uint16 currencyId) external view returns (address);

    function pDebtAddress(uint16 currencyId) external view returns (address);

    function getNoteToken() external view returns (address);

    function getOwnershipStatus() external view returns (address owner, address pendingOwner);

    function getGlobalTransferOperatorStatus(address operator)
        external
        view
        returns (bool isAuthorized);

    function getAuthorizedCallbackContractStatus(address callback)
        external
        view
        returns (bool isAuthorized);

    function getSecondaryIncentiveRewarder(uint16 currencyId)
        external
        view
        returns (address incentiveRewarder);

    function getPrimeFactors(uint16 currencyId, uint256 blockTime) external view returns (
        PrimeRate memory primeRate,
        PrimeCashFactors memory factors,
        uint256 maxUnderlyingSupply,
        uint256 totalUnderlyingSupply,
        uint256 maxUnderlyingDebt,
        uint256 totalUnderlyingDebt
    );

    function getPrimeFactorsStored(uint16 currencyId) external view returns (PrimeCashFactors memory);

    function getPrimeCashHoldingsOracle(uint16 currencyId) external view returns (address);

    function getPrimeInterestRateCurve(uint16 currencyId) external view returns (InterestRateParameters memory);

    function getPrimeInterestRate(uint16 currencyId) external view returns (
        uint256 annualDebtRatePreFee,
        uint256 annualDebtRatePostFee,
        uint256 annualSupplyRate
    );

    function getTotalfCashDebtOutstanding(uint16 currencyId, uint256 maturity) external view returns (
        int256 totalfCashDebt,
        int256 fCashDebtHeldInSettlementReserve,
        int256 primeCashHeldInSettlementReserve
    );

    function getSettlementRate(uint16 currencyId, uint40 maturity)
        external
        view
        returns (PrimeRate memory);

    function getMarket(
        uint16 currencyId,
        uint256 maturity,
        uint256 settlementDate
    ) external view returns (MarketParameters memory);

    function getActiveMarkets(uint16 currencyId) external view returns (MarketParameters[] memory);

    function getActiveMarketsAtBlockTime(uint16 currencyId, uint32 blockTime)
        external
        view
        returns (MarketParameters[] memory);

    function getReserveBalance(uint16 currencyId) external view returns (int256 reserveBalance);

    function getNTokenPortfolio(address tokenAddress)
        external
        view
        returns (PortfolioAsset[] memory liquidityTokens, PortfolioAsset[] memory netfCashAssets);

    function getNTokenAccount(address tokenAddress)
        external
        view
        returns (
            uint16 currencyId,
            uint256 totalSupply,
            uint256 incentiveAnnualEmissionRate,
            uint256 lastInitializedTime,
            bytes6 nTokenParameters,
            int256 cashBalance,
            uint256 accumulatedNOTEPerNToken,
            uint256 lastAccumulatedTime
        );

    function getAccount(address account)
        external
        view
        returns (
            AccountContext memory accountContext,
            AccountBalance[] memory accountBalances,
            PortfolioAsset[] memory portfolio
        );

    function getAccountContext(address account) external view returns (AccountContext memory);

    function getAccountPrimeDebtBalance(uint16 currencyId, address account) external view returns (
        int256 debtBalance
    );

    function getAccountBalance(uint16 currencyId, address account)
        external
        view
        returns (
            int256 cashBalance,
            int256 nTokenBalance,
            uint256 lastClaimTime
        );

    function getBalanceOfPrimeCash(
        uint16 currencyId,
        address account
    ) external view returns (int256 cashBalance);

    function getAccountPortfolio(address account) external view returns (PortfolioAsset[] memory);

    function getfCashNotional(
        address account,
        uint16 currencyId,
        uint256 maturity
    ) external view returns (int256);

    function getAssetsBitmap(address account, uint16 currencyId) external view returns (bytes32);

    function getFreeCollateral(address account) external view returns (int256, int256[] memory);

    function getTreasuryManager() external view returns (address);

    function getReserveBuffer(uint16 currencyId) external view returns (uint256);

    function getRebalancingFactors(uint16 currencyId) external view
      returns (address holding, uint8 target, uint16 externalWithdrawThreshold, RebalancingContextStorage memory context);

    function getStoredTokenBalances(address[] calldata tokens) external view returns (uint256[] memory balances);

    function decodeERC1155Id(uint256 id) external view returns (
        uint16 currencyId,
        uint256 maturity,
        uint256 assetType,
        address vaultAddress,
        bool isfCashDebt
    );

    function encode(
        uint16 currencyId,
        uint256 maturity,
        uint256 assetType,
        address vaultAddress,
        bool isfCashDebt
    ) external pure returns (uint256);
}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;
pragma abicoder v2;

interface nTokenERC20 {
    event Transfer(address indexed from, address indexed to, uint256 amount);

    event Approval(address indexed owner, address indexed spender, uint256 amount);

    function nTokenTotalSupply(address nTokenAddress) external view returns (uint256);

    function nTokenBalanceOf(uint16 currencyId, address account) external view returns (uint256);

    function nTokenTransferAllowance(
        uint16 currencyId,
        address owner,
        address spender
    ) external view returns (uint256);

    function pCashTransferAllowance(
        uint16 currencyId,
        address owner,
        address spender
    ) external view returns (uint256);

    function nTokenTransferApprove(
        uint16 currencyId,
        address owner,
        address spender,
        uint256 amount
    ) external returns (bool);

    function pCashTransferApprove(
        uint16 currencyId,
        address owner,
        address spender,
        uint256 amount
    ) external returns (bool);

    function nTokenTransfer(
        uint16 currencyId,
        address from,
        address to,
        uint256 amount
    ) external returns (bool);

    function pCashTransfer(
        uint16 currencyId,
        address from,
        address to,
        uint256 amount
    ) external returns (bool);

    function nTokenTransferFrom(
        uint16 currencyId,
        address spender,
        address from,
        address to,
        uint256 amount
    ) external returns (bool);

    function pCashTransferFrom(
        uint16 currencyId,
        address spender,
        address from,
        address to,
        uint256 amount
    ) external returns (bool);

    function nTokenTransferApproveAll(address spender, uint256 amount) external returns (bool);

    function nTokenClaimIncentives() external returns (uint256);

}

// SPDX-License-Identifier: BSUL-1.1
pragma solidity >=0.7.6;

interface WETH9 {
    function deposit() external payable;

    function withdraw(uint256 wad) external;

    function transfer(address dst, uint256 wad) external returns (bool);
}

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

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0000000000000000000000006e7058c91f85e0f6db4fc9da2ca41241f5e4263f000000000000000000000000000000000000000000000000000000000000000b00000000000000000000000040d16fc0246ad3160ccc09b8d0d3a2cd28ae6c2f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000066c92280

-----Decoded View---------------
Arg [0] : notional (address): 0x6e7058c91F85E0F6db4fc9da2CA41241f5e4263f
Arg [1] : currencyId (uint16): 11
Arg [2] : incentive_token (address): 0x40D16FC0246aD3160Ccc09B8D0D3A2cD28aE6C2f
Arg [3] : _emissionRatePerYear (uint128): 0
Arg [4] : _endTime (uint32): 1724457600

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 0000000000000000000000006e7058c91f85e0f6db4fc9da2ca41241f5e4263f
Arg [1] : 000000000000000000000000000000000000000000000000000000000000000b
Arg [2] : 00000000000000000000000040d16fc0246ad3160ccc09b8d0d3a2cd28ae6c2f
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [4] : 0000000000000000000000000000000000000000000000000000000066c92280