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// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

import {AggregatorInterface} from "@aave/core-v3/contracts/dependencies/chainlink/AggregatorInterface.sol";
import {IERC4626} from "./interfaces/IERC4626.sol";
import {ISharesOracleAggregator} from "./interfaces/ISharesOracleAggregator.sol";
import {IERC20Metadata} from "./interfaces/IERC20Metadata.sol";

/**
 * @title IAggregatorWithDecimals
 * @author Neverland
 * @notice Extended Chainlink aggregator interface with decimals and round data functions
 */
interface IAggregatorWithDecimals is AggregatorInterface {
    /**
     * @notice Returns the number of decimals used by the aggregator
     * @return The number of decimals
     */
    function decimals() external view returns (uint8);

    /**
     * @notice Returns data for the latest round
     * @return roundId The round ID
     * @return answer The price answer
     * @return startedAt Timestamp of when the round started
     * @return updatedAt Timestamp of when the round was updated
     * @return answeredInRound The round ID in which the answer was computed
     */
    function latestRoundData()
        external
        view
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);

    /**
     * @notice Returns data for a specific round
     * @param requestedRoundId The round ID to retrieve
     * @return roundId The round ID
     * @return answer The price answer
     * @return startedAt Timestamp of when the round started
     * @return updatedAt Timestamp of when the round was updated
     * @return answeredInRound The round ID in which the answer was computed
     */
    function getRoundData(uint80 requestedRoundId)
        external
        view
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);
}

/**
 * @title SharesOracleAggregator
 * @author Neverland
 * @notice Oracle aggregator that converts base asset price to shares price using ERC4626's convertToAssets
 * @dev Implements ISharesOracleAggregator and provides Chainlink-compatible oracle interface for ERC4626 vault shares
 */
contract SharesOracleAggregator is ISharesOracleAggregator {
    /*//////////////////////////////////////////////////////////////
                                CONSTANTS
    //////////////////////////////////////////////////////////////*/

    /// @dev Target decimals for price output (Chainlink standard)
    uint256 private constant TARGET_DECIMALS = 8;

    /// @dev Maximum allowed decimals to prevent overflow (10^77 < 2^256)
    uint8 private constant MAX_DECIMALS = 77;

    /*//////////////////////////////////////////////////////////////
                            IMMUTABLE STATE
    //////////////////////////////////////////////////////////////*/

    /// @notice The base asset price oracle (e.g., MON/USD)
    IAggregatorWithDecimals public immutable baseAggregator;

    /// @notice The ERC4626 shares contract (e.g., shMON)
    IERC4626 public immutable sharesContract;

    /// @notice Maximum staleness allowed for price data in seconds
    uint256 public immutable maxDelay;

    /// @notice Minimum time between validated price updates
    uint256 public immutable minValidationInterval;

    /// @notice Number of decimals used by the base aggregator
    uint8 public immutable baseDecimals;

    /// @notice Number of decimals used by the shares contract
    uint8 public immutable sharesDecimals;

    /// @notice Number of decimals used by the underlying asset
    uint8 public immutable assetDecimals;

    /// @dev Precision units for one full share (10 ** sharesDecimals)
    uint256 private immutable SHARE_UNIT;

    /// @dev Precision units for one underlying asset (10 ** assetDecimals)
    uint256 private immutable ASSET_UNIT;

    /*//////////////////////////////////////////////////////////////
                            MUTABLE STATE
    //////////////////////////////////////////////////////////////*/

    /// @notice Maximum allowed price deviation in basis points (e.g., 500 = 5%)
    uint256 public maxDeviationBps;

    /// @notice Contract owner for admin functions
    address public owner;

    /// @notice Pending owner for two-step transfer
    address public pendingOwner;

    /// @notice Human-readable description for the aggregator
    string public description;

    /// @dev Last validated price for deviation check
    int256 private _lastValidatedPrice;

    /// @dev Last validation timestamp
    uint256 private _lastValidationTime;

    /*//////////////////////////////////////////////////////////////
                              CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Constructor
     * @param _baseAggregator Address of the base asset price oracle
     * @param _sharesContract Address of the ERC4626 shares contract
     * @param _maxDelay Maximum allowed staleness in seconds (0 = no staleness check)
     * @param _maxDeviationBps Maximum allowed price deviation in basis points
     * @param _minValidationInterval Minimum time between validation updates (seconds)
     * @param _description Human-readable description for the aggregator
     */
    constructor(
        address _baseAggregator,
        address _sharesContract,
        uint256 _maxDelay,
        uint256 _maxDeviationBps,
        uint256 _minValidationInterval,
        string memory _description
    ) {
        if (_baseAggregator == address(0)) {
            revert ISharesOracleAggregator.BaseAggregatorZeroAddress();
        }
        if (_sharesContract == address(0)) revert ISharesOracleAggregator.SharesContractZeroAddress();

        baseAggregator = IAggregatorWithDecimals(_baseAggregator);
        sharesContract = IERC4626(_sharesContract);
        maxDelay = _maxDelay;
        maxDeviationBps = _maxDeviationBps;
        minValidationInterval = _minValidationInterval;
        owner = msg.sender;

        baseDecimals = baseAggregator.decimals();
        if (baseDecimals > MAX_DECIMALS) revert ISharesOracleAggregator.InvalidDecimals();

        sharesDecimals = sharesContract.decimals();
        if (sharesDecimals > MAX_DECIMALS) revert ISharesOracleAggregator.InvalidDecimals();
        SHARE_UNIT = 10 ** sharesDecimals;

        address asset = sharesContract.asset();
        if (asset == address(0)) revert ISharesOracleAggregator.AssetZeroAddress();
        assetDecimals = IERC20Metadata(asset).decimals();
        if (assetDecimals > MAX_DECIMALS) revert ISharesOracleAggregator.InvalidDecimals();
        ASSET_UNIT = 10 ** assetDecimals;
        description = _description;
    }

    /*//////////////////////////////////////////////////////////////
                            CHAINLINK INTERFACE
    //////////////////////////////////////////////////////////////*/

    /// @inheritdoc ISharesOracleAggregator
    function latestAnswer() external view returns (int256) {
        (uint80 roundId, int256 basePrice,, uint256 baseTimestamp, uint80 answeredInRound) =
            baseAggregator.latestRoundData();
        _validateRound(basePrice, baseTimestamp, roundId, answeredInRound);
        return _computeSharesPrice(basePrice);
    }

    /// @inheritdoc ISharesOracleAggregator
    function latestTimestamp() external view returns (uint256) {
        (uint80 roundId, int256 answer,, uint256 baseTimestamp, uint80 answeredInRound) =
            baseAggregator.latestRoundData();
        _validateRound(answer, baseTimestamp, roundId, answeredInRound);
        return baseTimestamp;
    }

    /// @inheritdoc ISharesOracleAggregator
    function latestRound() external view returns (uint256) {
        return baseAggregator.latestRound();
    }

    /// @inheritdoc ISharesOracleAggregator
    /// @dev Returns 0 for invalid/stale rounds. Downstream consumers must treat 0 as "price unavailable"
    function getAnswer(uint256 roundId) external view returns (int256) {
        try baseAggregator.getRoundData(uint80(roundId)) returns (
            uint80 rId, int256 basePrice, uint256, /* startedAt */ uint256 timestamp, uint80 answeredInRound
        ) {
            if (basePrice <= 0) return 0;
            if (timestamp == 0) return 0;
            if (answeredInRound < rId) return 0; // Round incomplete
            if (!_isFresh(timestamp)) return 0;
            return _computeSharesPrice(basePrice);
        } catch {
            return 0;
        }
    }

    /// @inheritdoc ISharesOracleAggregator
    /// @dev Returns 0 for invalid/stale rounds. Downstream consumers must treat 0 as "timestamp unavailable"
    function getTimestamp(uint256 roundId) external view returns (uint256) {
        try baseAggregator.getTimestamp(roundId) returns (uint256 timestamp) {
            if (timestamp == 0) return 0; // Explicitly check for invalid timestamp
            if (!_isFresh(timestamp)) return 0;
            return timestamp;
        } catch {
            return 0;
        }
    }

    /// @inheritdoc ISharesOracleAggregator
    function decimals() external pure returns (uint8) {
        return uint8(TARGET_DECIMALS);
    }

    /// @inheritdoc ISharesOracleAggregator
    function version() external pure returns (uint256) {
        return 1;
    }

    /// @inheritdoc ISharesOracleAggregator
    function latestRoundData()
        external
        view
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound)
    {
        (roundId, answer, startedAt, updatedAt, answeredInRound) = baseAggregator.latestRoundData();
        _validateRound(answer, updatedAt, roundId, answeredInRound);
        answer = _computeSharesPrice(answer);
    }

    /// @inheritdoc ISharesOracleAggregator
    /// @dev WARNING: Historical rounds return price using CURRENT convertToAssets ratio,
    ///      not the historical ratio. This is inherent to the design - ERC4626 vaults
    ///      don't store historical conversion rates. Use latestRoundData() for accurate pricing.
    function getRoundData(uint80 requestedRoundId)
        external
        view
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound)
    {
        (roundId, answer, startedAt, updatedAt, answeredInRound) = baseAggregator.getRoundData(requestedRoundId);
        _validateRound(answer, updatedAt, roundId, answeredInRound);
        answer = _computeSharesPrice(answer);
    }

    /*//////////////////////////////////////////////////////////////
                            INTERNAL FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Validates round data according to Chainlink best practices
     * @param answer The price answer from the oracle
     * @param updatedAt Timestamp when the price was last updated
     * @param roundId The round ID
     * @param answeredInRound The round in which the answer was computed
     * @dev Reverts if: price <= 0, round incomplete (answeredInRound < roundId),
     *      updatedAt == 0, or data is stale per maxDelay
     */
    function _validateRound(int256 answer, uint256 updatedAt, uint80 roundId, uint80 answeredInRound) internal view {
        if (answer <= 0) revert ISharesOracleAggregator.InvalidBasePrice();
        if (answeredInRound < roundId) revert ISharesOracleAggregator.StaleRound();
        if (updatedAt == 0) revert ISharesOracleAggregator.StaleRound();
        if (!_isFresh(updatedAt)) {
            revert ISharesOracleAggregator.PriceTooOld(block.timestamp, updatedAt, updatedAt + maxDelay);
        }
    }

    /**
     * @notice Checks if price data is fresh without reverting
     * @param updatedAt Timestamp when the price was last updated
     * @return True if fresh or maxDelay is 0, false otherwise
     */
    function _isFresh(uint256 updatedAt) internal view returns (bool) {
        if (updatedAt == 0) return false;
        if (maxDelay == 0) return true;
        return updatedAt + maxDelay >= block.timestamp;
    }

    /**
     * @notice Computes the raw shares price without clamping
     * @param basePrice The base asset price from the oracle
     * @return The computed shares price in TARGET_DECIMALS precision (before clamping)
     * @dev Formula: shares_price = base_price * convertToAssets(1 share) / 10^assetDecimals
     */
    function _computeSharesPriceRaw(int256 basePrice) internal view returns (int256) {
        // Get conversion rate: how many assets for 1 full share
        uint256 assets = sharesContract.convertToAssets(SHARE_UNIT);
        if (assets == 0) revert ISharesOracleAggregator.InvalidSharesConversion();

        // shares_price = asset_price * assets / ASSET_UNIT
        int256 sharesPrice = (basePrice * int256(assets)) / int256(ASSET_UNIT);

        // Scale to target decimals (8)
        if (baseDecimals > TARGET_DECIMALS) {
            uint256 diff = baseDecimals - TARGET_DECIMALS;
            sharesPrice /= int256(10 ** diff);
        } else if (baseDecimals < TARGET_DECIMALS) {
            uint256 diff = TARGET_DECIMALS - baseDecimals;
            sharesPrice *= int256(10 ** diff);
        }

        return sharesPrice;
    }

    /**
     * @notice Computes the shares price from the base asset price with clamping
     * @param basePrice The base asset price from the oracle
     * @return The computed shares price in TARGET_DECIMALS precision (after clamping if needed)
     */
    function _computeSharesPrice(int256 basePrice) internal view returns (int256) {
        int256 sharesPrice = _computeSharesPriceRaw(basePrice);

        // Check deviation from last validated price and clamp if needed
        if (_lastValidatedPrice > 0 && maxDeviationBps > 0) {
            uint256 deviation = _calculateDeviation(_lastValidatedPrice, sharesPrice);
            if (deviation > maxDeviationBps) {
                // Instead of reverting, clamp to max allowed deviation
                // This prevents DoS while still limiting price manipulation
                int256 maxAllowedChange = (_lastValidatedPrice * int256(maxDeviationBps)) / 10000;

                if (sharesPrice > _lastValidatedPrice) {
                    // Price increased - clamp to upper bound
                    sharesPrice = _lastValidatedPrice + maxAllowedChange;
                } else {
                    // Price decreased - clamp to lower bound
                    sharesPrice = _lastValidatedPrice - maxAllowedChange;
                }
            }
        }

        return sharesPrice;
    }

    /**
     * @notice Calculates price deviation in basis points
     * @param oldPrice Previous price
     * @param newPrice New price
     * @return Deviation in basis points (10000 = 100%)
     */
    function _calculateDeviation(int256 oldPrice, int256 newPrice) internal pure returns (uint256) {
        if (oldPrice == 0) return 0;

        int256 diff = newPrice > oldPrice ? newPrice - oldPrice : oldPrice - newPrice;
        return uint256((diff * 10000) / oldPrice);
    }

    /*//////////////////////////////////////////////////////////////
                            ADMIN FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    /// @inheritdoc ISharesOracleAggregator
    function updateValidatedPrice() external {
        if (msg.sender != owner) revert ISharesOracleAggregator.Unauthorized();
        if (block.timestamp < _lastValidationTime + minValidationInterval) {
            revert ISharesOracleAggregator.ValidationUpdateTooSoon();
        }

        // Get current price (this will revert if deviation is too high from old validated price)
        // So we temporarily disable the check by setting maxDeviationBps to max
        uint256 tempMaxDev = maxDeviationBps;
        maxDeviationBps = type(uint256).max;

        (, int256 answer,,,) = this.latestRoundData();

        // Restore max deviation
        maxDeviationBps = tempMaxDev;

        _lastValidatedPrice = answer;
        _lastValidationTime = block.timestamp;

        emit ISharesOracleAggregator.ValidatedPriceUpdated(answer, block.timestamp);
    }

    /// @inheritdoc ISharesOracleAggregator
    function updateMaxDeviation(uint256 newMaxDeviationBps) external {
        if (msg.sender != owner) revert ISharesOracleAggregator.Unauthorized();

        uint256 oldDeviation = maxDeviationBps;
        maxDeviationBps = newMaxDeviationBps;

        emit ISharesOracleAggregator.MaxDeviationUpdated(oldDeviation, newMaxDeviationBps);
    }

    /*//////////////////////////////////////////////////////////////
                            VIEW FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    /// @inheritdoc ISharesOracleAggregator
    function lastValidatedPrice() external view returns (int256) {
        return _lastValidatedPrice;
    }

    /// @inheritdoc ISharesOracleAggregator
    function isCurrentlyClamping() external view returns (bool isClamped, int256 actualPrice, int256 clampedPrice) {
        // Get base price
        (uint80 roundId, int256 basePrice,, uint256 baseTimestamp, uint80 answeredInRound) =
            baseAggregator.latestRoundData();
        _validateRound(basePrice, baseTimestamp, roundId, answeredInRound);

        // Compute actual shares price (before clamping logic)
        actualPrice = _computeSharesPriceRaw(basePrice);

        // Check if clamping would occur
        if (_lastValidatedPrice > 0 && maxDeviationBps > 0) {
            uint256 deviation = _calculateDeviation(_lastValidatedPrice, actualPrice);
            if (deviation > maxDeviationBps) {
                isClamped = true;

                // Compute clamped price
                int256 maxAllowedChange = (_lastValidatedPrice * int256(maxDeviationBps)) / 10000;
                if (actualPrice > _lastValidatedPrice) {
                    clampedPrice = _lastValidatedPrice + maxAllowedChange;
                } else {
                    clampedPrice = _lastValidatedPrice - maxAllowedChange;
                }
            } else {
                isClamped = false;
                clampedPrice = actualPrice;
            }
        } else {
            isClamped = false;
            clampedPrice = actualPrice;
        }
    }

    /*//////////////////////////////////////////////////////////////
                              OWNERSHIP
    //////////////////////////////////////////////////////////////*/

    /// @inheritdoc ISharesOracleAggregator
    function transferOwnership(address newOwner) external {
        if (msg.sender != owner) revert ISharesOracleAggregator.Unauthorized();
        if (newOwner == address(0)) revert ISharesOracleAggregator.BaseAggregatorZeroAddress();

        pendingOwner = newOwner;
        emit ISharesOracleAggregator.OwnershipTransferStarted(owner, newOwner);
    }

    /// @inheritdoc ISharesOracleAggregator
    function acceptOwnership() external {
        if (msg.sender != pendingOwner) revert ISharesOracleAggregator.Unauthorized();

        address previousOwner = owner;
        owner = pendingOwner;
        pendingOwner = address(0);
        emit ISharesOracleAggregator.OwnershipTransferred(previousOwner, owner);
    }
}

// SPDX-License-Identifier: MIT
// Chainlink Contracts v0.8
pragma solidity ^0.8.0;

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 0.8.10;

interface IERC20Metadata {
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

/**
 * @title IERC4626
 * @author Aave
 * @notice Minimal ERC4626 Tokenized Vault Standard interface
 * @dev Subset of EIP-4626 focusing on share-to-asset conversion
 */
interface IERC4626 {
    /**
     * @notice Returns the amount of assets that would be exchanged for the amount of shares provided
     * @param shares The amount of shares to convert
     * @return The amount of underlying assets equivalent to the shares
     */
    function convertToAssets(uint256 shares) external view returns (uint256);

    /**
     * @notice Returns the number of decimals used by the vault shares
     * @return The number of decimals for the share token
     */
    function decimals() external view returns (uint8);

    /**
     * @notice Returns the address of the underlying asset token
     * @return The address of the asset
     */
    function asset() external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

/**
 * @title ISharesOracleAggregator
 * @author Neverland
 * @notice Interface for SharesOracleAggregator that provides Chainlink-compatible oracle for ERC4626 vault shares
 * @dev Converts base asset prices to vault share prices using ERC4626's convertToAssets function
 * @dev Formula: shares_price = base_price * convertToAssets(1 share) / 10^assetDecimals
 */
interface ISharesOracleAggregator {
    /*//////////////////////////////////////////////////////////////
                                 ERRORS
    //////////////////////////////////////////////////////////////*/

    /// @notice Thrown when base aggregator address is zero
    error BaseAggregatorZeroAddress();

    /// @notice Thrown when shares contract address is zero
    error SharesContractZeroAddress();

    /// @notice Thrown when base price is invalid (zero or negative)
    error InvalidBasePrice();

    /// @notice Thrown when convertToAssets returns zero
    error InvalidSharesConversion();

    /// @notice Thrown when the ERC4626 asset address is zero
    error AssetZeroAddress();

    /// @notice Thrown when decimals exceed maximum allowed value (77)
    error InvalidDecimals();

    /**
     * @notice Thrown when price data is too old
     * @param currentTime Current block timestamp
     * @param updatedAt Timestamp when price was last updated
     * @param expiresAt Timestamp when price expires
     */
    error PriceTooOld(uint256 currentTime, uint256 updatedAt, uint256 expiresAt);

    /// @notice Thrown when oracle round is incomplete (answeredInRound < roundId or updatedAt == 0)
    error StaleRound();

    /**
     * @notice Thrown when price deviation exceeds maximum allowed
     * @param oldPrice Previous validated price
     * @param newPrice New computed price
     * @param deviation Actual deviation in basis points
     * @param maxDeviation Maximum allowed deviation in basis points
     */
    error PriceDeviationExceeded(int256 oldPrice, int256 newPrice, uint256 deviation, uint256 maxDeviation);

    /// @notice Thrown when trying to update validated price too soon
    error ValidationUpdateTooSoon();

    /// @notice Thrown when caller is not authorized
    error Unauthorized();

    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Emitted when validated price is updated
     * @param price New validated price
     * @param timestamp Update timestamp
     */
    event ValidatedPriceUpdated(int256 price, uint256 timestamp);

    /**
     * @notice Emitted when max deviation is updated
     * @param oldDeviation Previous max deviation in bps
     * @param newDeviation New max deviation in bps
     */
    event MaxDeviationUpdated(uint256 oldDeviation, uint256 newDeviation);

    /**
     * @notice Emitted when ownership transfer is initiated
     * @param previousOwner Current owner
     * @param newOwner Pending new owner
     */
    event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner);

    /**
     * @notice Emitted when ownership transfer is completed
     * @param previousOwner Previous owner
     * @param newOwner New owner
     */
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /*//////////////////////////////////////////////////////////////
                            CHAINLINK INTERFACE
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Returns the latest shares price
     * @return The latest price in 8 decimal precision (Chainlink standard)
     */
    function latestAnswer() external view returns (int256);

    /**
     * @notice Returns the timestamp of the latest price update
     * @return The timestamp of the latest update
     */
    function latestTimestamp() external view returns (uint256);

    /**
     * @notice Returns the latest round ID from the base aggregator
     * @return The latest round ID
     */
    function latestRound() external view returns (uint256);

    /**
     * @notice Returns the shares price for a specific round
     * @param roundId The round ID to query
     * @return The price for the specified round, or 0 if unavailable/stale
     * @dev IMPORTANT: A return value of 0 means "price unavailable/invalid"
     *      Downstream consumers MUST NOT treat 0 as a valid price
     *      This function performs round completeness checks (answeredInRound, timestamp)
     */
    function getAnswer(uint256 roundId) external view returns (int256);

    /**
     * @notice Returns the timestamp for a specific round
     * @param roundId The round ID to query
     * @return The timestamp for the specified round, or 0 if unavailable/stale
     * @dev IMPORTANT: A return value of 0 means "timestamp unavailable/invalid"
     *      Downstream consumers MUST NOT treat 0 as a valid timestamp
     */
    function getTimestamp(uint256 roundId) external view returns (uint256);

    /**
     * @notice Returns the number of decimals used by this aggregator
     * @return The number of decimals (always 8 for Chainlink compatibility)
     */
    function decimals() external pure returns (uint8);

    /**
     * @notice Returns a description of this aggregator
     * @return A string describing the aggregator
     */
    function description() external view returns (string memory);

    /**
     * @notice Returns the version of this aggregator
     * @return The version number
     */
    function version() external pure returns (uint256);

    /**
     * @notice Returns the latest round data with shares price
     * @return roundId The round ID from base aggregator
     * @return answer The computed shares price
     * @return startedAt Timestamp when the round started
     * @return updatedAt Timestamp when the round was updated
     * @return answeredInRound The round ID in which the answer was computed
     */
    function latestRoundData()
        external
        view
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);

    /**
     * @notice Returns round data for a specific round with shares price
     * @param requestedRoundId The round ID to retrieve
     * @return roundId The round ID from base aggregator
     * @return answer The computed shares price for this round
     * @return startedAt Timestamp when the round started
     * @return updatedAt Timestamp when the round was updated
     * @return answeredInRound The round ID in which the answer was computed
     * @dev WARNING: Historical rounds use CURRENT convertToAssets ratio, not historical
     *      ERC4626 vaults do not store historical conversion rates
     *      For accurate pricing, use latestRoundData() only
     *      This is a known limitation, not a bug
     */
    function getRoundData(uint80 requestedRoundId)
        external
        view
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);

    /*//////////////////////////////////////////////////////////////
                            ADMIN FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Updates the validated price reference (admin only)
     * @dev Can only be called after minValidationInterval has passed
     */
    function updateValidatedPrice() external;

    /**
     * @notice Updates the maximum allowed deviation (admin only)
     * @param newMaxDeviationBps New maximum deviation in basis points
     */
    function updateMaxDeviation(uint256 newMaxDeviationBps) external;

    /*//////////////////////////////////////////////////////////////
                            VIEW FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Returns the current validated price reference
     * @return The last validated price
     */
    function lastValidatedPrice() external view returns (int256);

    /**
     * @notice Returns the maximum allowed deviation
     * @return The max deviation in basis points
     */
    function maxDeviationBps() external view returns (uint256);

    /**
     * @notice Returns the current owner address
     * @return The owner address
     */
    function owner() external view returns (address);

    /**
     * @notice Returns the pending owner address (during two-step transfer)
     * @return The pending owner address
     */
    function pendingOwner() external view returns (address);

    /**
     * @notice Checks if current price is being clamped due to deviation
     * @return isClamped True if current price would be clamped
     * @return actualPrice The actual computed price (before clamping)
     * @return clampedPrice The price that would be returned (after clamping)
     */
    function isCurrentlyClamping() external view returns (bool isClamped, int256 actualPrice, int256 clampedPrice);

    /*//////////////////////////////////////////////////////////////
                            OWNERSHIP
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Initiates ownership transfer (two-step process)
     * @param newOwner Address of the new owner
     */
    function transferOwnership(address newOwner) external;

    /**
     * @notice Accepts ownership transfer (called by pending owner)
     */
    function acceptOwnership() external;
}

{
  "optimizer": {
    "enabled": true,
    "runs": 100000
  },
  "evmVersion": "berlin",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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IAggregatorWithDecimals","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseDecimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"description","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"roundId","type":"uint256"}],"name":"getAnswer","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint80","name":"requestedRoundId","type":"uint80"}],"name":"getRoundData","outputs":[{"internalType":"uint80","name":"roundId","type":"uint80"},{"internalType":"int256","name":"answer","type":"int256"},{"internalType":"uint256","name":"startedAt","type":"uint256"},{"internalType":"uint256","name":"updatedAt","type":"uint256"},{"internalType":"uint80","name":"answeredInRound","type":"uint80"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"roundId","type":"uint256"}],"name":"getTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isCurrentlyClamping","outputs":[{"internalType":"bool","name":"isClamped","type":"bool"},{"internalType":"int256","name":"actualPrice","type":"int256"},{"internalType":"int256","name":"clampedPrice","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastValidatedPrice","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestAnswer","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestRound","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestRoundData","outputs":[{"internalType":"uint80","name":"roundId","type":"uint80"},{"internalType":"int256","name":"answer","type":"int256"},{"internalType":"uint256","name":"startedAt","type":"uint256"},{"internalType":"uint256","name":"updatedAt","type":"uint256"},{"internalType":"uint80","name":"answeredInRound","type":"uint80"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxDelay","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxDeviationBps","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"minValidationInterval","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sharesContract","outputs":[{"internalType":"contract IERC4626","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sharesDecimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newMaxDeviationBps","type":"uint256"}],"name":"updateMaxDeviation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"updateValidatedPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"}]

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

-----Decoded View---------------
Arg [0] : _baseAggregator (address): 0x63Bb491346fCC8695244D811F0c3501E6C2e8d25
Arg [1] : _sharesContract (address): 0x9c82eB49B51F7Dc61e22Ff347931CA32aDc6cd90
Arg [2] : _maxDelay (uint256): 0
Arg [3] : _maxDeviationBps (uint256): 0
Arg [4] : _minValidationInterval (uint256): 0
Arg [5] : _description (string): loAZND / USD

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 00000000000000000000000063bb491346fcc8695244d811f0c3501e6c2e8d25
Arg [1] : 0000000000000000000000009c82eb49b51f7dc61e22ff347931ca32adc6cd90
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [5] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [6] : 000000000000000000000000000000000000000000000000000000000000000c
Arg [7] : 6c6f415a4e44202f205553440000000000000000000000000000000000000000