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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.28;

import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {DecimalsLib} from "../../libraries/DecimalsLib.sol";
import {IPyth} from "../../interfaces/IPyth.sol";
import {IPriceFeed} from "../../interfaces/IPriceFeed.sol";

contract PythOracle is IPriceFeed, Ownable {
    using DecimalsLib for uint256;

    IPyth public immutable PYTH;
    bytes32 public immutable PYTH_ID;

    uint256 pythHeartBeat = 1 hours;

    constructor(address _pythAddress, bytes32 _pythId) Ownable(msg.sender) {
        PYTH = IPyth(_pythAddress);
        PYTH_ID = _pythId;
    }

    function setPythHeartBeat(uint256 _newPythHeartBeat) external onlyOwner {
        pythHeartBeat = _newPythHeartBeat;
    }

    function fetchPrice() external view returns (uint256) {
        IPyth.Price memory token0Feed = PYTH.getPriceNoOlderThan(PYTH_ID, pythHeartBeat);

        return uint256(uint64(token0Feed.price)).to18Decimals(uint8(uint32(-token0Feed.expo)));
    }
}

// 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;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.28;

interface IPriceFeed {
    function fetchPrice() external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.28;

interface IPyth {
    struct Price {
        // Price
        int64 price;
        // Confidence interval around the price
        uint64 conf;
        // Price exponent
        int32 expo;
        // Unix timestamp describing when the price was published
        uint256 publishTime;
    }

    struct PriceFeed {
        // The price ID.
        bytes32 id;
        // Latest available price
        Price price;
        // Latest available exponentially-weighted moving average price
        Price emaPrice;
    }

    function getPrice(bytes32 id) external view returns (Price memory);
    function getPriceNoOlderThan(bytes32 id, uint256 timeFrame) external view returns (Price memory);
    function getPriceUnsafe(bytes32 id) external view returns (Price memory);
    function getUpdateFee(bytes[] calldata id) external view returns (uint256[] calldata);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.28;

library DecimalsLib {
    function to18Decimals(uint256 _amount, uint8 _from) internal pure returns (uint256) {
        return toDecimals(_amount, _from, 18);
    }

    function toDecimals(uint256 _amount, uint8 _from, uint8 _to) internal pure returns (uint256) {
        if (_from == _to) {
            return _amount;
        } else if (_from < _to) {
            uint256 factor = 10 ** (_to - _from);
            return _amount * factor;
        } else {
            uint256 factor = 10 ** (_from - _to);
            return _amount / factor;
        }
    }
}

{
  "evmVersion": "cancun",
  "libraries": {},
  "metadata": {
    "appendCBOR": true,
    "bytecodeHash": "ipfs",
    "useLiteralContent": false
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "remappings": [
    "@openzeppelin/contracts/=node_modules/@openzeppelin/contracts/",
    "@openzeppelin/contracts-upgradeable/=node_modules/@openzeppelin/contracts-upgradeable/",
    "solady/=node_modules/solady/src/",
    "forge-std/=node_modules/forge-std/src/"
  ],
  "viaIR": true
}

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000000000000000000000000e9d69cdd6fe41e7b621b4a688c5d1a68cb5c8adc4279e31cc369bbcc2faf022b382b080e32a8e689ff20fbc530d2a603eb6cd98b

-----Decoded View---------------
Arg [0] : _pythAddress (address): 0xe9d69CdD6Fe41e7B621B4A688C5D1a68cB5c8ADc
Arg [1] : _pythId (bytes32): 0x4279e31cc369bbcc2faf022b382b080e32a8e689ff20fbc530d2a603eb6cd98b

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000e9d69cdd6fe41e7b621b4a688c5d1a68cb5c8adc
Arg [1] : 4279e31cc369bbcc2faf022b382b080e32a8e689ff20fbc530d2a603eb6cd98b