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

/// @notice Minimal read interface of a Plugin (PLI) price feed proxy on XDC.
/// Plugin feeds expose the widely used AggregatorV3-style read API.
/// NOTE: Plugin feeds use 16, 18 or 25 decimals; always read decimals().
interface IPluginFeed {
    function decimals() external view returns (uint8);
    function description() external view returns (string memory);
    function latestRoundData()
        external
        view
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);
}

/// @notice AggregatorV3-like read surface exposed by the adapter.
interface IAggregatorV3Like {
    function decimals() external view returns (uint8);
    function description() external view returns (string memory);
    function version() external view returns (uint256);
    function latestRoundData()
        external
        view
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);
}