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// SPDX-License-Identifier: MIT
pragma solidity 0.8.26;

import "@openzeppelin/contracts/access/Ownable2Step.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "./interfaces/AggregatorV3Interface.sol";

contract AegisChainlinkOracleV3 is Ownable2Step, AggregatorV3Interface {
  struct YUSDUSDPriceData {
    int256 price;
    uint32 timestamp;
  }

  YUSDUSDPriceData private _priceData;

  mapping(address => bool) private _operators;

  struct RoundData {
    int256 answer;
    uint256 startedAt;
    uint256 updatedAt;
    uint80 answeredInRound;
  }

  mapping(uint80 => RoundData) private _rounds;
  uint80 private _latestRoundId;

  event UpdateYUSDPrice(int256 price, uint32 timestamp);
  event SetOperator(address indexed operator, bool allowed);

  error ZeroAddress();
  error AccessForbidden();

  modifier onlyOperator() {
    if (!_operators[_msgSender()]) {
      revert AccessForbidden();
    }
    _;
  }

  constructor(address[] memory _ops, address _initialOwner) Ownable(_initialOwner) {
    if (_initialOwner == address(0)) revert ZeroAddress();

    for (uint256 i = 0; i < _ops.length; i++) {
      _setOperator(_ops[i], true);
    }
  }

  function decimals() public pure override returns (uint8) {
    return 8;
  }

  function description() external pure override returns (string memory) {
    return "Aegis Oracle YUSD / USD";
  }

  function version() external pure override returns (uint256) {
    return 1;
  }

  /// @dev Returns current YUSD/USD price
  function yusdUSDPrice() public view returns (int256) {
    return _priceData.price;
  }

  /// @dev Returns timestamp of last price update
  function lastUpdateTimestamp() public view returns (uint32) {
    return _priceData.timestamp;
  }

  /**
   * @dev Updates YUSD/USD price.
   * @dev Price should have 8 decimals
   */
  function updateYUSDPrice(int256 price) external onlyOperator {
    _priceData.price = price;
    _priceData.timestamp = uint32(block.timestamp);

    // update aggregator round data
    uint80 newRoundId = _latestRoundId + 1;
    _latestRoundId = newRoundId;
    _rounds[newRoundId] = RoundData({
      answer: price,
      startedAt: block.timestamp,
      updatedAt: block.timestamp,
      answeredInRound: newRoundId
    });
    emit UpdateYUSDPrice(_priceData.price, _priceData.timestamp);
  }

  function getRoundData(uint80 _roundId)
    external
    view
    override
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    )
  {
    RoundData memory r = _rounds[_roundId];
    if (r.updatedAt == 0) revert("No data present");
    return (_roundId, r.answer, r.startedAt, r.updatedAt, r.answeredInRound);
  }

  function latestRoundData()
    external
    view
    override
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    )
  {
    uint80 id = _latestRoundId;
    RoundData memory r = _rounds[id];
    if (r.updatedAt == 0) revert("No data present");
    return (id, r.answer, r.startedAt, r.updatedAt, r.answeredInRound);
  }

  /// @dev Adds/removes operator
  function setOperator(address operator, bool allowed) external onlyOwner {
    _setOperator(operator, allowed);
  }

  function _setOperator(address operator, bool allowed) internal {
    _operators[operator] = allowed;
    emit SetOperator(operator, allowed);
  }
}

// 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 v5.0.0) (access/Ownable2Step.sol)

pragma solidity ^0.8.20;

import {Ownable} from "./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.
 *
 * The initial owner is specified at deployment time in the constructor for `Ownable`. 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();
        if (pendingOwner() != sender) {
            revert OwnableUnauthorizedAccount(sender);
        }
        _transferOwnership(sender);
    }
}

// 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;
    }
}

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

/// @title AggregatorV3Interface
/// @notice Interface for accessing detailed data from an aggregator contract, including round data and metadata.
/// @dev Provides methods to get the latest data, historical data for specific rounds, and metadata such as decimals and description.
interface AggregatorV3Interface {
    /**
     * @notice Gets the number of decimals used by the aggregator.
     * @return uint8 - The number of decimals.
     */
    function decimals() external view returns (uint8);

    /**
     * @notice Gets the description of the aggregator.
     * @return string memory - The description of the aggregator.
     */
    function description() external view returns (string memory);

    /**
     * @notice Gets the version of the aggregator.
     * @return uint256 - The version of the aggregator.
     */
    function version() external view returns (uint256);

    /**
     * @notice Gets the round data for a specific round ID.
     * @param _roundId - The round ID to get the data for.
     * @return roundId - The round ID.
     * @return answer - The answer for the round.
     * @return startedAt - The timestamp when the round started.
     * @return updatedAt - The timestamp when the round was updated.
     * @return answeredInRound - The round ID in which the answer was computed.
     * @dev This function should raise "No data present" if no data is available for the given round ID.
     */
    function getRoundData(uint80 _roundId)
        external
        view
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);

    /**
     * @notice Gets the latest round data.
     * @return roundId - The latest round ID.
     * @return answer - The latest answer.
     * @return startedAt - The timestamp when the latest round started.
     * @return updatedAt - The timestamp when the latest round was updated.
     * @return answeredInRound - The round ID in which the latest answer was computed.
     * @dev This function should raise "No data present" if no data is available.
     */
    function latestRoundData()
        external
        view
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);
}

{
  "viaIR": true,
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "none"
  },
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

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00000000000000000000000000000000000000000000000000000000000000400000000000000000000000004fe78ef65bd8edded480efab030ba680646503c8000000000000000000000000000000000000000000000000000000000000000100000000000000000000000084fe172c15bb030baa0dd497d30dd436c6b750e9

-----Decoded View---------------
Arg [0] : _ops (address[]): 0x84fE172c15bb030BAA0dD497D30DD436c6b750E9
Arg [1] : _initialOwner (address): 0x4Fe78eF65BD8EDDED480efaB030BA680646503c8

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 0000000000000000000000004fe78ef65bd8edded480efab030ba680646503c8
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [3] : 00000000000000000000000084fe172c15bb030baa0dd497d30dd436c6b750e9