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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

/// forge-lint: disable-next-line(unaliased-plain-import)
import "../interfaces/IEnvelopOracle.sol";

import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";

// ---- Chainlink Feed Registry minimal interface ----
interface FeedRegistryInterface {
    function latestRoundData(address base, address quote)
        external
        view
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);

    function decimals(address base, address quote) external view returns (uint8);
}

contract EnvelopOracle is IEnvelopOracle, Ownable {
    // =========================================================
    //                     Price Oracle part
    // =========================================================

    /// @notice Chainlink Feed Registry
    FeedRegistryInterface public immutable FEED_REGISTRY;

    /// @notice USD denomination address for Feed Registry (not an ERC20)
    /// @dev Chainlink uses a special pseudo-address for USD denomination.
    address public constant DENOMINATION_USD = 0x0000000000000000000000000000000000000348;

    /// @notice Maximum allowed staleness for a price feed, in seconds
    uint256 public immutable MAX_STALE;

    // =========================================================
    //                         Events
    // =========================================================

    mapping(address object => uint256 overrided) public overridedPrices;

    /// @notice Emitted when price is successfully read from Feed Registry.
    event PriceRead(address indexed base, uint256 priceUsd, uint80 roundId, uint256 updatedAt);

    // =========================================================
    //                        Constructor
    // =========================================================

    /**
     * @param _feedRegistry Address of Chainlink Feed Registry (or adapter).
     * @param _maxStale Maximum allowed staleness for a price (seconds).
     */
    constructor(address _feedRegistry, uint256 _maxStale) Ownable(msg.sender) {
        FEED_REGISTRY = FeedRegistryInterface(_feedRegistry);
        MAX_STALE = _maxStale;
    }

    // =========================================================
    //                    Public price helpers
    // =========================================================

    /**
     * @notice Get latest price for a base asset in USD, normalized to 1e18.
     * @param base Asset address (e.g., token address) to query.
     * @return priceUsd Latest price in 1e8 decimals.
     */
    function getPriceInUSD(address base) public view returns (uint256 priceUsd) {
        (priceUsd,,,) = _getLatestPriceInUSD(base);
    }

    /**
     * @notice Get latest price + metadata for a base asset in USD.
     * @param base Asset address to query.
     * @return priceUsd Latest price in 1e18 decimals.
     * @return roundId Feed round ID used.
     * @return updatedAt Timestamp when the feed was updated.
     */
    function getPriceInUSDWithMeta(address base)
        external
        view
        returns (uint256 priceUsd, uint80 roundId, uint256 updatedAt, uint8 decimals)
    {
        return _getLatestPriceInUSD(base);
    }

    function getIndexPrice(address _v2Index) external view returns (uint256) {
        return overridedPrices[_v2Index];
    }

    function getIndexPrice(CompactAsset[] calldata _assets) external view returns (uint256 total) {
        for (uint256 i = 0; i < _assets.length; i++) {
            total += _assets[i].amount * getPriceInUSD(_assets[i].token);
        }
    }

    function overrideIndexPrice(address _v2Index, uint256 _price) external onlyOwner {
        require(_price > 0, "Price <= 0");
        overridedPrices[_v2Index] = _price;
    }

    // =========================================================
    //                     Internal price helper
    // =========================================================

    /**
     * @dev Internal helper to fetch and normalize USD price from Feed Registry.
     * @param base Asset address to query.
     * @return priceUsd Price
     * @return roundId Chainlink feed round ID used.
     * @return updatedAt Timestamp when feed was updated.
     * @return dec decimals
     */
    function _getLatestPriceInUSD(address base)
        internal
        view
        returns (uint256 priceUsd, uint80 roundId, uint256 updatedAt, uint8 dec)
    {
        (uint80 _roundId, int256 answer,, uint256 _updatedAt, uint80 answeredInRound) =
            FEED_REGISTRY.latestRoundData(base, DENOMINATION_USD);

        require(answer > 0, "Price <= 0");
        require(answeredInRound >= _roundId, "Stale answer");
        //require(_updatedAt + MAX_STALE >= block.timestamp, "Price is stale");

        dec = FEED_REGISTRY.decimals(base, DENOMINATION_USD);

        // Normalize to 1e8
        priceUsd = uint256(answer);
        roundId = _roundId;
        updatedAt = _updatedAt;
    }
}

// SPDX-License-Identifier: MIT
// ENVELOP(NIFTSY) protocol V2 for NFT. Onchain Oracle
pragma solidity ^0.8.28;

/// @dev Compact representation of an ERC20 asset + amount.
/// Used both for strike configuration and as portfolio items for the oracle.
struct CompactAsset {
    address token; // ERC20 token address (20 bytes)
    uint96 amount; // Amount with token decimals (12 bytes)
}

struct OracleData {
    address oracle; //Data Provider address
    uint96 amount; // Amount with token decimals (12 bytes)
}
/// @dev Oracle interface for retrieving index prices.
/// Supports:
/// - price by index address
/// - price by custom portfolio composition
interface IEnvelopOracle {
    function getIndexPrice(address _v2Index) external view returns (uint256);
    function getIndexPrice(CompactAsset[] calldata _assets) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../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.
 *
 * The initial owner is set to the address provided by the deployer. 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;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @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 {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @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 {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _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 (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

{
  "remappings": [
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "@Uopenzeppelin/=lib/openzeppelin-contracts-upgradeable/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin-foundry-upgrades/=lib/openzeppelin-foundry-upgrades/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "prague",
  "viaIR": false
}

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[{"inputs":[{"internalType":"address","name":"_feedRegistry","type":"address"},{"internalType":"uint256","name":"_maxStale","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"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":"base","type":"address"},{"indexed":false,"internalType":"uint256","name":"priceUsd","type":"uint256"},{"indexed":false,"internalType":"uint80","name":"roundId","type":"uint80"},{"indexed":false,"internalType":"uint256","name":"updatedAt","type":"uint256"}],"name":"PriceRead","type":"event"},{"inputs":[],"name":"DENOMINATION_USD","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"FEED_REGISTRY","outputs":[{"internalType":"contract FeedRegistryInterface","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_STALE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint96","name":"amount","type":"uint96"}],"internalType":"struct CompactAsset[]","name":"_assets","type":"tuple[]"}],"name":"getIndexPrice","outputs":[{"internalType":"uint256","name":"total","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_v2Index","type":"address"}],"name":"getIndexPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"base","type":"address"}],"name":"getPriceInUSD","outputs":[{"internalType":"uint256","name":"priceUsd","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"base","type":"address"}],"name":"getPriceInUSDWithMeta","outputs":[{"internalType":"uint256","name":"priceUsd","type":"uint256"},{"internalType":"uint80","name":"roundId","type":"uint80"},{"internalType":"uint256","name":"updatedAt","type":"uint256"},{"internalType":"uint8","name":"decimals","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_v2Index","type":"address"},{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"overrideIndexPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"object","type":"address"}],"name":"overridedPrices","outputs":[{"internalType":"uint256","name":"overrided","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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00000000000000000000000047fb2585d2c56fe188d0e6ec628a38b74fceeedf0000000000000000000000000000000000000000000000000000000000000e10

-----Decoded View---------------
Arg [0] : _feedRegistry (address): 0x47Fb2585D2C56Fe188D0E6ec628a38b74fCeeeDf
Arg [1] : _maxStale (uint256): 3600

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000047fb2585d2c56fe188d0e6ec628a38b74fceeedf
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000e10