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// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity >=0.6.10 <0.8.0;

import "../interfaces/IFundV5.sol";
import "../interfaces/IPrimaryMarketV5.sol";
import "../interfaces/ITrancheIndexV2.sol";

contract FeeConverter is ITrancheIndexV2 {
    IFundV5 public immutable fund;
    IPrimaryMarketV5 public immutable primaryMarket;
    address public immutable feeCollector;

    constructor(address primaryMarket_, address feeCollector_) public {
        primaryMarket = IPrimaryMarketV5(primaryMarket_);
        fund = IFundV5(IPrimaryMarketV5(primaryMarket_).fund());
        feeCollector = feeCollector_;
    }

    function collectFee() external {
        uint256 fee = fund.trancheBalanceOf(TRANCHE_Q, address(this));
        uint256 version = fund.getRebalanceSize();
        primaryMarket.redeem(feeCollector, fee, 0, version);
    }
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity >=0.6.10 <0.8.0;
pragma experimental ABIEncoderV2;

import "./ITwapOracleV2.sol";

interface IFundV3 {
    /// @notice A linear transformation matrix that represents a rebalance.
    ///
    ///         ```
    ///             [        1        0        0 ]
    ///         R = [ ratioB2Q  ratioBR        0 ]
    ///             [ ratioR2Q        0  ratioBR ]
    ///         ```
    ///
    ///         Amounts of the three tranches `q`, `b` and `r` can be rebalanced by multiplying the matrix:
    ///
    ///         ```
    ///         [ q', b', r' ] = [ q, b, r ] * R
    ///         ```
    struct Rebalance {
        uint256 ratioB2Q;
        uint256 ratioR2Q;
        uint256 ratioBR;
        uint256 timestamp;
    }

    function tokenUnderlying() external view returns (address);

    function tokenQ() external view returns (address);

    function tokenB() external view returns (address);

    function tokenR() external view returns (address);

    function tokenShare(uint256 tranche) external view returns (address);

    function primaryMarket() external view returns (address);

    function primaryMarketUpdateProposal() external view returns (address, uint256);

    function strategy() external view returns (address);

    function strategyUpdateProposal() external view returns (address, uint256);

    function underlyingDecimalMultiplier() external view returns (uint256);

    function twapOracle() external view returns (ITwapOracleV2);

    function feeCollector() external view returns (address);

    function endOfDay(uint256 timestamp) external pure returns (uint256);

    function trancheTotalSupply(uint256 tranche) external view returns (uint256);

    function trancheBalanceOf(uint256 tranche, address account) external view returns (uint256);

    function trancheAllBalanceOf(address account) external view returns (uint256, uint256, uint256);

    function trancheBalanceVersion(address account) external view returns (uint256);

    function trancheAllowance(
        uint256 tranche,
        address owner,
        address spender
    ) external view returns (uint256);

    function trancheAllowanceVersion(
        address owner,
        address spender
    ) external view returns (uint256);

    function trancheTransfer(
        uint256 tranche,
        address recipient,
        uint256 amount,
        uint256 version
    ) external;

    function trancheTransferFrom(
        uint256 tranche,
        address sender,
        address recipient,
        uint256 amount,
        uint256 version
    ) external;

    function trancheApprove(
        uint256 tranche,
        address spender,
        uint256 amount,
        uint256 version
    ) external;

    function getRebalanceSize() external view returns (uint256);

    function getRebalance(uint256 index) external view returns (Rebalance memory);

    function getRebalanceTimestamp(uint256 index) external view returns (uint256);

    function currentDay() external view returns (uint256);

    function splitRatio() external view returns (uint256);

    function historicalSplitRatio(uint256 version) external view returns (uint256);

    function fundActivityStartTime() external view returns (uint256);

    function isFundActive(uint256 timestamp) external view returns (bool);

    function getEquivalentTotalB() external view returns (uint256);

    function getEquivalentTotalQ() external view returns (uint256);

    function historicalEquivalentTotalB(uint256 timestamp) external view returns (uint256);

    function historicalNavs(uint256 timestamp) external view returns (uint256 navB, uint256 navR);

    function extrapolateNav(uint256 price) external view returns (uint256, uint256, uint256);

    function doRebalance(
        uint256 amountQ,
        uint256 amountB,
        uint256 amountR,
        uint256 index
    ) external view returns (uint256 newAmountQ, uint256 newAmountB, uint256 newAmountR);

    function batchRebalance(
        uint256 amountQ,
        uint256 amountB,
        uint256 amountR,
        uint256 fromIndex,
        uint256 toIndex
    ) external view returns (uint256 newAmountQ, uint256 newAmountB, uint256 newAmountR);

    function refreshBalance(address account, uint256 targetVersion) external;

    function refreshAllowance(address owner, address spender, uint256 targetVersion) external;

    function shareTransfer(address sender, address recipient, uint256 amount) external;

    function shareTransferFrom(
        address spender,
        address sender,
        address recipient,
        uint256 amount
    ) external returns (uint256 newAllowance);

    function shareIncreaseAllowance(
        address sender,
        address spender,
        uint256 addedValue
    ) external returns (uint256 newAllowance);

    function shareDecreaseAllowance(
        address sender,
        address spender,
        uint256 subtractedValue
    ) external returns (uint256 newAllowance);

    function shareApprove(address owner, address spender, uint256 amount) external;

    function historicalUnderlying(uint256 timestamp) external view returns (uint256);

    function getTotalUnderlying() external view returns (uint256);

    function getStrategyUnderlying() external view returns (uint256);

    function getTotalDebt() external view returns (uint256);

    event RebalanceTriggered(
        uint256 indexed index,
        uint256 indexed day,
        uint256 navSum,
        uint256 navB,
        uint256 navROrZero,
        uint256 ratioB2Q,
        uint256 ratioR2Q,
        uint256 ratioBR
    );
    event Settled(uint256 indexed day, uint256 navB, uint256 navR, uint256 interestRate);
    event InterestRateUpdated(uint256 baseInterestRate, uint256 floatingInterestRate);
    event BalancesRebalanced(
        address indexed account,
        uint256 version,
        uint256 balanceQ,
        uint256 balanceB,
        uint256 balanceR
    );
    event AllowancesRebalanced(
        address indexed owner,
        address indexed spender,
        uint256 version,
        uint256 allowanceQ,
        uint256 allowanceB,
        uint256 allowanceR
    );
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity >=0.6.10 <0.8.0;

import "./IFundV3.sol";

interface IFundV5 is IFundV3 {
    function weightB() external view returns (uint256);

    function getSettledDay() external view returns (uint256);

    function getEquivalentTotalR() external view returns (uint256);

    function frozen() external view returns (bool);
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity >=0.6.10 <0.8.0;

interface IPrimaryMarketV5 {
    function fund() external view returns (address);

    function getCreation(uint256 underlying) external view returns (uint256 outQ);

    function getCreationForQ(uint256 minOutQ) external view returns (uint256 underlying);

    function getRedemption(uint256 inQ) external view returns (uint256 underlying, uint256 fee);

    function getRedemptionForUnderlying(uint256 minUnderlying) external view returns (uint256 inQ);

    function getSplit(uint256 inQ) external view returns (uint256 outB, uint256 outR);

    function getSplitForR(uint256 minOutR) external view returns (uint256 inQ, uint256 outB);

    function getMerge(uint256 inB) external view returns (uint256 inR, uint256 outQ, uint256 feeQ);

    function getMergeByR(
        uint256 inR
    ) external view returns (uint256 inB, uint256 outQ, uint256 feeQ);

    function canBeRemovedFromFund() external view returns (bool);

    function create(
        address recipient,
        uint256 minOutQ,
        uint256 version
    ) external returns (uint256 outQ);

    function redeem(
        address recipient,
        uint256 inQ,
        uint256 minUnderlying,
        uint256 version
    ) external returns (uint256 underlying);

    function redeemAndUnwrap(
        address recipient,
        uint256 inQ,
        uint256 minUnderlying,
        uint256 version
    ) external returns (uint256 underlying);

    function redeemAndUnwrapWstETH(
        address recipient,
        uint256 inQ,
        uint256 minStETH,
        uint256 version
    ) external returns (uint256 stETHAmount);

    function queueRedemption(
        address recipient,
        uint256 inQ,
        uint256 minUnderlying,
        uint256 version
    ) external returns (uint256 underlying, uint256 index);

    function claimRedemptions(
        address account,
        uint256[] calldata indices
    ) external returns (uint256 underlying);

    function claimRedemptionsAndUnwrap(
        address account,
        uint256[] calldata indices
    ) external returns (uint256 underlying);

    function claimRedemptionsAndUnwrapWstETH(
        address account,
        uint256[] calldata indices
    ) external returns (uint256 stETHAmount);

    function split(
        address recipient,
        uint256 inQ,
        uint256 version
    ) external returns (uint256 outB, uint256 outR);

    function merge(address recipient, uint256 inB, uint256 version) external returns (uint256 outQ);

    function settle(uint256 day) external;
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity >=0.6.10 <0.8.0;

/// @notice Amounts of QUEEN, BISHOP and ROOK are sometimes stored in a `uint256[3]` array.
///         This contract defines index of each tranche in this array.
///
///         Solidity does not allow constants to be defined in interfaces. So this contract follows
///         the naming convention of interfaces but is implemented as an `abstract contract`.
abstract contract ITrancheIndexV2 {
    uint256 internal constant TRANCHE_Q = 0;
    uint256 internal constant TRANCHE_B = 1;
    uint256 internal constant TRANCHE_R = 2;

    uint256 internal constant TRANCHE_COUNT = 3;
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity >=0.6.10 <0.8.0;

interface ITwapOracle {
    enum UpdateType {
        PRIMARY,
        SECONDARY,
        OWNER,
        CHAINLINK,
        UNISWAP_V2
    }

    function getTwap(uint256 timestamp) external view returns (uint256);
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity >=0.6.10 <0.8.0;

import "./ITwapOracle.sol";

interface ITwapOracleV2 is ITwapOracle {
    function getLatest() external view returns (uint256);
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"primaryMarket_","type":"address"},{"internalType":"address","name":"feeCollector_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"collectFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feeCollector","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"fund","outputs":[{"internalType":"contract IFundV5","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"primaryMarket","outputs":[{"internalType":"contract IPrimaryMarketV5","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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

000000000000000000000000a8be5ab62794a647254e1e62844201efc8477e2200000000000000000000000000db7b1300b2b24fb9bdf4f661f650a2998e367a

-----Decoded View---------------
Arg [0] : primaryMarket_ (address): 0xa8BE5AB62794a647254e1e62844201EFC8477e22
Arg [1] : feeCollector_ (address): 0x00DB7B1300B2B24fB9bdf4F661f650a2998e367A

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000a8be5ab62794a647254e1e62844201efc8477e22
Arg [1] : 00000000000000000000000000db7b1300b2b24fb9bdf4f661f650a2998e367a