Chainlink Price Feed (Solidity)

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

import "@chainlink/contracts/src/v0.8/shared/interfaces/AggregatorV3Interface.sol";

contract PriceConsumer {
    AggregatorV3Interface internal priceFeed;

    // ETH/USD on mainnet
    constructor() {
        priceFeed = AggregatorV3Interface(0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419);
    }

    function getLatestPrice() external view returns (int256) {
        (
            uint80 roundID,
            int256 price,
            uint256 startedAt,
            uint256 updatedAt,
            uint80 answeredInRound
        ) = priceFeed.latestRoundData();
        return price;
    }

    function getDecimals() external view returns (uint8) {
        return priceFeed.decimals();
    }
}

// To convert to human-readable price:
// uint256 price = uint256(getLatestPrice());
// uint256 adjusted = price / (10 ** priceFeed.decimals()); // e.g. 8 decimals