Everything You Need to Know

import { BrowserProvider, Contract } from 'ethers';
import { useState, useEffect } from 'react';

function OracleReader({ contractAddress, abi }) {
  const [oracleData, setOracleData] = useState(null);
  const [loading, setLoading] = useState(true);

  useEffect(() => {
    async function fetchData() {
      try {
        const provider = new BrowserProvider(window.ethereum);
        const contract = new Contract(contractAddress, abi, provider);

        const data = await contract.getData();
        const lastUpdate = await contract.lastUpdateTime();

        setOracleData({
          value: data,
          lastUpdate: new Date(Number(lastUpdate) * 1000)
        });
      } catch (error) {
        console.error('Error fetching oracle data:', error);
      } finally {
        setLoading(false);
      }
    }

    fetchData();
  }, [contractAddress, abi]);

  if (loading) return <div>Loading...</div>;

  return (
    <div>
      <h2>Oracle Data: {oracleData.value}</h2>
      <p>Last Update: {oracleData.lastUpdate.toLocaleString()}</p>
    </div>
  );
}