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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
import '../interfaces/IAggregator.sol';
import {ProxyCall} from '../libraries/ProxyCall.sol';
/// @title ChainlinkProxy
/// @notice Contract that proxies calls to the dataFeedStore
/// @notice This contract is responsible for fetching data for one feed only
contract ChainlinkProxy is IAggregator {
  /// @inheritdoc IChainlinkAggregator
  uint8 public immutable override decimals;
  /// @inheritdoc IAggregator
  uint32 public immutable override key;
  /// @inheritdoc IAggregator
  address public immutable override dataFeedStore;
  /// @inheritdoc IChainlinkAggregator
  string public override description;
  /// @notice Constructor
  /// @param _description The description of the feed
  /// @param _decimals The decimals of the feed
  /// @param _key The key ID of the feed
  /// @param _dataFeedStore The address of the data feed store
  constructor(
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/**
 * SPDX-FileCopyrightText: Copyright (c) 2021 SmartContract ChainLink Limited SEZC
 *
 * SPDX-License-Identifier: MIT
 */
pragma solidity ^0.8.24;
interface IChainlinkAggregator {
  /// @notice Decimals for the feed data
  /// @return decimals The decimals of the feed
  function decimals() external view returns (uint8);
  /// @notice Description text for the feed data
  /// @return description The description of the feed
  function description() external view returns (string memory);
  /// @notice Get the latest answer for the feed
  /// @return answer The latest value stored
  function latestAnswer() external view returns (int256);
  /// @notice Get the latest round ID for the feed
  /// @return roundId The latest round ID
  function latestRound() external view returns (uint256);
  /// @notice Get the data for a round at a given round ID
  /// @param _roundId The round ID to retrieve the data for
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
import {IChainlinkAggregator} from './chainlink/IChainlinkAggregator.sol';
interface IAggregator is IChainlinkAggregator {
  /// @notice The feed data this contract is responsible for
  /// @dev This is the key ID for the mapping in the dataFeedStore
  /// @return key The key ID for the feed
  function key() external view returns (uint32);
  /// @notice The dataFeedStore this contract is responsible for
  /// @dev The address of the underlying contract that stores the data
  /// @return dataFeedStore The address of the dataFeedStore
  function dataFeedStore() external view returns (address);
}
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
/// @title ProxyCall
/// @notice Library for calling dataFeedStore functions
/// @dev Contains utility functions for calling gas efficiently dataFeedStore functions and decoding return data
library ProxyCall {
  /// @notice Gets the latest answer from the dataFeedStore
  /// @param key The key ID for the feed
  /// @param dataFeedStore The address of the dataFeedStore contract
  /// @return answer The latest stored value after being decoded
  function _latestAnswer(
    uint32 key,
    address dataFeedStore
  ) internal view returns (int256) {
    return
      int256(
        uint256(
          uint192(
            bytes24(
              _callDataFeed(dataFeedStore, abi.encodePacked(0x80000000 | key))
            )
          )
        )
      );
  }
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{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}
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[{"inputs":[{"internalType":"string","name":"_description","type":"string"},{"internalType":"uint8","name":"_decimals","type":"uint8"},{"internalType":"uint32","name":"_key","type":"uint32"},{"internalType":"address","name":"_dataFeedStore","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"dataFeedStore","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"description","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint80","name":"_roundId","type":"uint80"}],"name":"getRoundData","outputs":[{"internalType":"uint80","name":"","type":"uint80"},{"internalType":"int256","name":"","type":"int256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint80","name":"","type":"uint80"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"key","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestAnswer","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestRound","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestRoundData","outputs":[{"internalType":"uint80","name":"","type":"uint80"},{"internalType":"int256","name":"","type":"int256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint80","name":"","type":"uint80"}],"stateMutability":"view","type":"function"}]

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