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// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.7;

import { Ownable2Step } from "@openzeppelin/contracts/access/Ownable2Step.sol";
import { AggregatorV3Interface } from "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";

contract PriceOracle is Ownable2Step {

    /// @dev Configuration used to return the USD price for the associated cToken asset and base unit needed for formatting
    /// @dev Fixed price is returned for assets that do not have a price feed. Expected to already be formatted.
    struct TokenConfig {
        // Decimals of the underlying asset (e.g. 18 for ETH). Needed for formatting when using a price feed. Ignored when using fixed price.
        uint8 underlyingAssetDecimals;
        // Address of the feed used to retrieve the asset's price
        address priceFeed;
        // Fixed price for asset that does not have a price feed
        uint256 fixedPrice;
    }

    /// @dev Type used to load the contract with configs during deployment
    /// @dev There should be 1 LoadConfig object for each supported asset, passed in the constructor.
    /// @dev Price feed and fixed price are mutually exclusive. Only one or the other should be set.
    struct LoadConfig {
        // Decimals of the underlying asset (e.g. 18 for ETH)
        uint8 underlyingAssetDecimals;
        // Address of the Compound Token
        address cToken;
        // Address of the feed used to retrieve the asset's price
        address priceFeed;
        // Fixed price for asset that does not have a price feed
        uint256 fixedPrice;
    }

    /// @dev Mapping of cToken address to TokenConfig used to maintain the supported assets
    mapping (address => TokenConfig) tokenConfigs;

    /// @notice The event emitted when a new asset is added to the mapping
    /// @param cToken cToken address that the config was added for
    /// @param underlyingAssetDecimals Decimals of the underlying asset
    /// @param priceFeed Address of the feed used to retrieve the asset's price
    /// @param fixedPrice The fixed price returned when a price feed does not exist for an asset
    event PriceOracleAssetAdded(address indexed cToken, uint8 underlyingAssetDecimals, address priceFeed, uint256 fixedPrice);

    /// @notice The event emitted when the price feed for an existing config is updated
    /// @param cToken cToken address that the config was updated for
    /// @param oldPriceFeed The existing price feed address configured in the token config
    /// @param newPriceFeed The new price feed address the token config is being updated to
    /// @param oldFixedPrice The fixed price previously set in the config. Price feed updates clear the fixed price if not 0 already.
    event PriceOracleAssetPriceFeedUpdated(address indexed cToken, address oldPriceFeed, address newPriceFeed, uint256 oldFixedPrice);

    /// @notice The event emitted when the fixed price for an existing config is updated
    /// @param cToken cToken address that the config was updated for
    /// @param oldFixedPrice The existing fixed price set in the token config
    /// @param newFixedPrice The new fixed price set in the token config
    /// @param oldPriceFeed The price feed previously set in the config. Fixed price updates clear the price feed if 0 not already.
    event PriceOracleAssetFixedPriceUpdated(address indexed cToken, uint256 oldFixedPrice, uint256 newFixedPrice, address oldPriceFeed);

    /// @notice The event emitted when an asset is removed to the mapping
    /// @param cToken cToken address that the config was removed for
    /// @param underlyingAssetDecimals Decimals of the underlying asset in the removed config.
    /// @param priceFeed Price feed address set in the removed config
    /// @param fixedPrice The fixed price set in the removed config
    event PriceOracleAssetRemoved(address indexed cToken, uint8 underlyingAssetDecimals, address priceFeed, uint256 fixedPrice);

    /// @notice The max decimals value allowed for price feed
    uint8 internal constant MAX_DECIMALS = 72;

    /// @notice The number of digits the price is scaled to before adjusted by the base units
    uint8 internal constant PRICE_SCALE = 36;

    /// @notice The minimum number of digits of precision to preserve when formatting by restricting the underlying asset decimals config
    /// @dev Minimum precision is set to 6 to match the Compound UniswapAnchoredView behavior
    uint8 internal constant MIN_PRECISION = 6;

    /// @notice cToken address for config not provided
    error MissingCTokenAddress();

    /// @notice Sum of price feed's decimals and underlyingAssetDecimals is greater than MAX_DECIMALS
    /// @param decimals Sum of the feed's decimals and underlying asset decimals
    error FormattingDecimalsTooHigh(uint16 decimals);

    /// @notice UnderlyingAssetDecimals is set too high to honor the minimum precision required during formatting
    error InvalidUnderlyingAssetDecimals(uint8 underlyingAssetDecimals); 

    /// @notice Price feed missing
    /// @param priceFeed Price feed address provided
    error InvalidPriceFeed(address priceFeed);

    /// @notice Fixed price missing
    /// @param fixedPrice Fixed price provided
    error InvalidFixedPrice(uint256 fixedPrice);

    /// @notice Price feed and fixed price are both set
    /// @param priceFeed Price feed provided
    /// @param fixedPrice Fixed price provided
    error InvalidPriceConfigs(address priceFeed, uint256 fixedPrice);

    /// @notice Config already exists
    /// @param cToken cToken address provided
    error DuplicateConfig(address cToken);

    /// @notice Config does not exist in the mapping
    /// @param cToken cToken address provided
    error ConfigNotFound(address cToken);

    /// @notice Same price feed as the existing one was provided when updating the config
    /// @param cToken cToken address that the price feed update is for
    /// @param existingPriceFeed Price feed address set in the existing config
    /// @param newPriceFeed Price feed address provided to update to
    error UnchangedPriceFeed(address cToken, address existingPriceFeed, address newPriceFeed);

    /// @notice Same fixed price as the existing one was provided when updating the config
    /// @param cToken cToken address that the fixed price update is for
    /// @param existingFixedPrice The fixed price set in the existing config
    /// @param newFixedPrice The fixed price provided to update to
    error UnchangedFixedPrice(address cToken, uint256 existingFixedPrice, uint256 newFixedPrice);

    /**
     * @notice Construct a Price Oracle contract for a set of token configurations
     * @param configs The token configurations that define which price feed and base unit to use for each asset
     */
    constructor(LoadConfig[] memory configs) {
        // Populate token config mapping 
        for (uint i = 0; i < configs.length; i++) {
            LoadConfig memory config = configs[i];
            addConfig(config);
        }
    }

    /**
     * @notice Get the underlying price of a cToken, in the format expected by the Comptroller.
     * @dev Comptroller needs prices in the format: ${raw price} * 1e(36 - feedDecimals - underlyingAssetDecimals)
     *      'underlyingAssetDecimals' is the decimals of the underlying asset for the corresponding cToken.
     *      'feedDecimals' is a value supplied by the price feed that represent the number of decimals the price feed reports with.
     *      For example, the underlyingAssetDecimals of ETH is 18 and its price feed provides 8 decimal places
     *      We must scale the price such as: ${raw price} * 1e(36 - 8 - 18).
     * @param cToken The cToken address for price retrieval
     * @return Price denominated in USD for the given cToken address, in the format expected by the Comptroller.
     */
    function getUnderlyingPrice(address cToken)
        external
        view
        returns (uint256)
    {
        TokenConfig memory config = tokenConfigs[cToken];
        // Check if config exists for cToken
        if (config.priceFeed == address(0) && config.fixedPrice == 0) revert ConfigNotFound(cToken);
        // Return fixed price if set
        if (config.fixedPrice != 0) return config.fixedPrice;
        // Initialize the aggregator to read the price from
        AggregatorV3Interface priceFeed = AggregatorV3Interface(config.priceFeed);
        // Retrieve decimals from feed for formatting
        uint8 feedDecimals = priceFeed.decimals();
        // Retrieve price from feed
        (
            /* uint80 roundID */,
            int256 answer,
            /*uint256 startedAt*/,
            /*uint256 updatedAt*/,
            /*uint80 answeredInRound*/
        ) = priceFeed.latestRoundData();
        // Invalid price returned by feed. Comptroller expects 0 price on error.
        if (answer <= 0) return 0;
        uint256 price = uint256(answer);

        // Number of decimals determines whether the price needs to be multiplied or divided for scaling
        // Handle the 2 scenarios separately to ensure a non-fractional scale value
        if (feedDecimals + config.underlyingAssetDecimals <= PRICE_SCALE) {
            // Decimals is always >=0 so the scale max value is 1e36 here and not at risk of overflowing
            uint256 scale = 10 ** (PRICE_SCALE - feedDecimals - config.underlyingAssetDecimals);
            return price * scale;
        } else {
            // Sum of feed and underlying asset decimals is capped at 72 by earlier validation so scale max value is 1e36 here
            // and not at risk of overflowing
            uint256 scale = 10 ** (feedDecimals + config.underlyingAssetDecimals - PRICE_SCALE);
            return price / scale;
        }
    }

    /**
     * @notice Retrieves the token config for a particular cToken address
     * @param cToken The cToken address that the token config should be returned for
     */
    function getConfig(address cToken) external view returns (TokenConfig memory) {
        TokenConfig memory config = tokenConfigs[cToken];
        // Check if config exists for cToken
        if (config.priceFeed == address(0) && config.fixedPrice == 0) revert ConfigNotFound(cToken);
        return config;
    }

    /**
     * @notice Adds a new token config to enable the contract to provide prices for a new asset
     * @param config Token config struct that contains the info for a new asset configuration
     */
    function addConfig(LoadConfig memory config) public onlyOwner {
        _validateTokenConfig(config);
        TokenConfig memory tokenConfig = TokenConfig(config.underlyingAssetDecimals, config.priceFeed, config.fixedPrice);
        tokenConfigs[config.cToken] = tokenConfig;
        emit PriceOracleAssetAdded(config.cToken, config.underlyingAssetDecimals, config.priceFeed, config.fixedPrice);
    }

    /**
     * @notice Updates the price feed in the token config for a particular cToken and sets fixed price to 0 if it is not already.
     * @param cToken The cToken address that the config needs to be updated for
     * @param priceFeed The address of the new price feed the config needs to be updated to
     */
    function updateConfigPriceFeed(address cToken, address priceFeed) external onlyOwner {
        TokenConfig memory config = tokenConfigs[cToken];
        // Check if config exists for cToken
        if (config.priceFeed == address(0) && config.fixedPrice == 0) revert ConfigNotFound(cToken);
        // Validate price feed
        if (priceFeed == address(0)) revert InvalidPriceFeed(priceFeed);
        // Check if existing price feed is the same as the new one sent
        if (config.priceFeed == priceFeed) revert UnchangedPriceFeed(cToken, config.priceFeed, priceFeed);
        // Validate the decimals for the price feed since it could differ from the previous one
        _validateDecimals(priceFeed, config.underlyingAssetDecimals);

        address existingPriceFeed = config.priceFeed;
        uint256 existingFixedPrice = config.fixedPrice;
        TokenConfig storage storageConfig = tokenConfigs[cToken];
        storageConfig.priceFeed = priceFeed;
        if (config.fixedPrice != 0) {
            delete storageConfig.fixedPrice;
        }
        emit PriceOracleAssetPriceFeedUpdated(cToken, existingPriceFeed, priceFeed, existingFixedPrice);
    }

    /**
     * @notice Updates the fixed price in the token config for a particular cToken and sets price feed to 0 if it is not already.
     * @param cToken The cToken address that the config needs to be updated for
     * @param fixedPrice The fixed price to be returned for the asset. Expected to be formatted.
     */
    function updateConfigFixedPrice(address cToken, uint256 fixedPrice) external onlyOwner {
        TokenConfig memory config = tokenConfigs[cToken];
        // Check if config exists for cToken
        if (config.priceFeed == address(0) && config.fixedPrice == 0) revert ConfigNotFound(cToken);
        // Validate fixed price
        if (fixedPrice == 0) revert InvalidFixedPrice(fixedPrice);
        // Check if existing fixed price is the same as the new one sent
        if (config.fixedPrice == fixedPrice) revert UnchangedFixedPrice(cToken, config.fixedPrice, fixedPrice);

        uint256 existingFixedPrice = config.fixedPrice;
        address existingPriceFeed = config.priceFeed;
        TokenConfig storage storageConfig = tokenConfigs[cToken];
        storageConfig.fixedPrice = fixedPrice;
        if (config.priceFeed != address(0)) {
            delete storageConfig.priceFeed;
        }
        emit PriceOracleAssetFixedPriceUpdated(cToken, existingFixedPrice, fixedPrice, existingPriceFeed);
    }

    /**
     * @notice Removes a token config to no longer support the asset
     * @param cToken The cToken address that the token config should be removed for
     */
    function removeConfig(address cToken) external onlyOwner {
        TokenConfig memory config = tokenConfigs[cToken];
        // Check if config exists for cToken
        if (config.priceFeed == address(0) && config.fixedPrice == 0) revert ConfigNotFound(cToken);
        delete tokenConfigs[cToken];
        emit PriceOracleAssetRemoved(cToken, config.underlyingAssetDecimals, config.priceFeed, config.fixedPrice);
    }

    /**
     * @notice Validates a token config and confirms one for the cToken does not already exist in mapping
     * @dev All fields are required. Underlying asset decimals is allowed to be 0 to support 0 decimal ERC20 tokens.
     * @param config TokenConfig struct that needs to be validated
     */
    function _validateTokenConfig(LoadConfig memory config) internal view {
        // Check if cToken is zero address
        if (config.cToken == address(0)) revert MissingCTokenAddress();
        // Check if both price feed and fixed price are empty
        if (config.priceFeed == address(0) && config.fixedPrice == 0) revert InvalidPriceConfigs(config.priceFeed, config.fixedPrice);
        // Check if both price feed and fixed price are set
        if (config.priceFeed != address(0) && config.fixedPrice != 0) revert InvalidPriceConfigs(config.priceFeed, config.fixedPrice);
        TokenConfig memory existingConfig = tokenConfigs[config.cToken];
        // Check if duplicate configs were submitted for the same cToken
        if (existingConfig.priceFeed != address(0) || existingConfig.fixedPrice != 0) revert DuplicateConfig(config.cToken);
        if (config.priceFeed != address(0)) {
            _validateDecimals(config.priceFeed, config.underlyingAssetDecimals);
        }
    }

    /**
     * @notice Validates the combination of price feed decimals and the underlying asset decimals in the config
     * @param priceFeed The price feed the decimals need to be validated for
     * @param underlyingAssetDecimals The underlying asset decimals set in the config
     */
     function _validateDecimals(address priceFeed, uint8 underlyingAssetDecimals) internal view {
        // Check if underlying asset decimals is too high to honor minimum precision during formatting
        if (underlyingAssetDecimals > PRICE_SCALE - MIN_PRECISION) revert InvalidUnderlyingAssetDecimals(underlyingAssetDecimals);
        AggregatorV3Interface aggregator = AggregatorV3Interface(priceFeed);
        // Retrieve decimals from feed for formatting
        uint8 feedDecimals = aggregator.decimals();
        // Cap the sum of feed decimals and underlying asset decimals to avoid overflows when formatting prices.
        if (feedDecimals + underlyingAssetDecimals > MAX_DECIMALS) revert FormattingDecimalsTooHigh(feedDecimals + underlyingAssetDecimals);
     }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable2Step.sol)

pragma solidity ^0.8.0;

import "./Ownable.sol";

/**
 * @dev Contract module which provides access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership} and {acceptOwnership}.
 *
 * This module is used through inheritance. It will make available all functions
 * from parent (Ownable).
 */
abstract contract Ownable2Step is Ownable {
    address private _pendingOwner;

    event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Returns the address of the pending owner.
     */
    function pendingOwner() public view virtual returns (address) {
        return _pendingOwner;
    }

    /**
     * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual override onlyOwner {
        _pendingOwner = newOwner;
        emit OwnershipTransferStarted(owner(), newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual override {
        delete _pendingOwner;
        super._transferOwnership(newOwner);
    }

    /**
     * @dev The new owner accepts the ownership transfer.
     */
    function acceptOwnership() public virtual {
        address sender = _msgSender();
        require(pendingOwner() == sender, "Ownable2Step: caller is not the new owner");
        _transferOwnership(sender);
    }
}

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

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

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

  function version() external view returns (uint256);

  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: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

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

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PriceOracle.LoadConfig[]","name":"configs","type":"tuple[]"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"cToken","type":"address"}],"name":"ConfigNotFound","type":"error"},{"inputs":[{"internalType":"address","name":"cToken","type":"address"}],"name":"DuplicateConfig","type":"error"},{"inputs":[{"internalType":"uint16","name":"decimals","type":"uint16"}],"name":"FormattingDecimalsTooHigh","type":"error"},{"inputs":[{"internalType":"uint256","name":"fixedPrice","type":"uint256"}],"name":"InvalidFixedPrice","type":"error"},{"inputs":[{"internalType":"address","name":"priceFeed","type":"address"},{"internalType":"uint256","name":"fixedPrice","type":"uint256"}],"name":"InvalidPriceConfigs","type":"error"},{"inputs":[{"internalType":"address","name":"priceFeed","type":"address"}],"name":"InvalidPriceFeed","type":"error"},{"inputs":[{"internalType":"uint8","name":"underlyingAssetDecimals","type":"uint8"}],"name":"InvalidUnderlyingAssetDecimals","type":"error"},{"inputs":[],"name":"MissingCTokenAddress","type":"error"},{"inputs":[{"internalType":"address","name":"cToken","type":"address"},{"internalType":"uint256","name":"existingFixedPrice","type":"uint256"},{"internalType":"uint256","name":"newFixedPrice","type":"uint256"}],"name":"UnchangedFixedPrice","type":"error"},{"inputs":[{"internalType":"address","name":"cToken","type":"address"},{"internalType":"address","name":"existingPriceFeed","type":"address"},{"internalType":"address","name":"newPriceFeed","type":"address"}],"name":"UnchangedPriceFeed","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferStarted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"cToken","type":"address"},{"indexed":false,"internalType":"uint8","name":"underlyingAssetDecimals","type":"uint8"},{"indexed":false,"internalType":"address","name":"priceFeed","type":"address"},{"indexed":false,"internalType":"uint256","name":"fixedPrice","type":"uint256"}],"name":"PriceOracleAssetAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"cToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"oldFixedPrice","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newFixedPrice","type":"uint256"},{"indexed":false,"internalType":"address","name":"oldPriceFeed","type":"address"}],"name":"PriceOracleAssetFixedPriceUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"cToken","type":"address"},{"indexed":false,"internalType":"address","name":"oldPriceFeed","type":"address"},{"indexed":false,"internalType":"address","name":"newPriceFeed","type":"address"},{"indexed":false,"internalType":"uint256","name":"oldFixedPrice","type":"uint256"}],"name":"PriceOracleAssetPriceFeedUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"cToken","type":"address"},{"indexed":false,"internalType":"uint8","name":"underlyingAssetDecimals","type":"uint8"},{"indexed":false,"internalType":"address","name":"priceFeed","type":"address"},{"indexed":false,"internalType":"uint256","name":"fixedPrice","type":"uint256"}],"name":"PriceOracleAssetRemoved","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint8","name":"underlyingAssetDecimals","type":"uint8"},{"internalType":"address","name":"cToken","type":"address"},{"internalType":"address","name":"priceFeed","type":"address"},{"internalType":"uint256","name":"fixedPrice","type":"uint256"}],"internalType":"struct PriceOracle.LoadConfig","name":"config","type":"tuple"}],"name":"addConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"cToken","type":"address"}],"name":"getConfig","outputs":[{"components":[{"internalType":"uint8","name":"underlyingAssetDecimals","type":"uint8"},{"internalType":"address","name":"priceFeed","type":"address"},{"internalType":"uint256","name":"fixedPrice","type":"uint256"}],"internalType":"struct PriceOracle.TokenConfig","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"cToken","type":"address"}],"name":"getUnderlyingPrice","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":[{"internalType":"address","name":"cToken","type":"address"}],"name":"removeConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"cToken","type":"address"},{"internalType":"uint256","name":"fixedPrice","type":"uint256"}],"name":"updateConfigFixedPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"cToken","type":"address"},{"internalType":"address","name":"priceFeed","type":"address"}],"name":"updateConfigPriceFeed","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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-----Decoded View---------------
Arg [0] : configs (tuple[]): System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput],System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput]

-----Encoded View---------------
82 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000014
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000012
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