Contract 0xEec2bE5c91ae7f8a338e1e5f3b5DE49d07AfdC81 5

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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 Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing 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 v4.4.0 (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;
    }
}

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

interface IVolatilityOracle {
    function getVolatility() external view returns (uint256);
}

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

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

// Interfaces
import {IVolatilityOracle} from '../interfaces/IVolatilityOracle.sol';

contract AvaxVolatilityOracle is Ownable, IVolatilityOracle {
    /*==== PUBLIC VARS ====*/

    uint256 public lastVolatility;

    /*==== EVENTS ====*/

    event VolatilityUpdated(uint256 volatility);

    /*==== SETTER FUNCTIONS (ONLY OWNER) ====*/

    /**
     * @notice Updates the last volatility for AVAX
     * @param v volatility
     * @return volatility of AVAX
     */
    function updateVolatility(uint256 v) external onlyOwner returns (uint256) {
        require(v != 0, 'VolatilityOracle: Volatility cannot be 0');

        lastVolatility = v;

        emit VolatilityUpdated(v);

        return v;
    }

    /*==== VIEWS ====*/

    /**
     * @notice Gets the volatility of AVAX
     * @return volatility
     */
    function getVolatility() external view override returns (uint256) {
        require(lastVolatility != 0, 'VolatilityOracle: Last volatility == 0');

        return lastVolatility;
    }
}

{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

[{"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":false,"internalType":"uint256","name":"volatility","type":"uint256"}],"name":"VolatilityUpdated","type":"event"},{"inputs":[],"name":"getVolatility","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastVolatility","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":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"v","type":"uint256"}],"name":"updateVolatility","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]

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