Listen Contract Events

Subscribe to any contract event with auto-polling hooks and type-safe event handlers. Supports all common standards out of the box

Documentation

Code

import { useContractEvents } from "thirdweb/react";
import { getContract } from "thirdweb";
import { base } from "thirdweb/chains";
import { transferEvent } from "thirdweb/extensions/erc20";

const usdcContractOnBase = getContract({
  address: "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
  chain: base,
  client,
});

function App() {
  // Listen to USDC transfers on Base
  const contractEvents = useContractEvents({
    contract: usdcContractOnBase,
    events: [transferEvent()],
    blockRange: 100,
  });

  (contractEvents.data || []).forEach((item) => {
    const { from, to, value } = item.args;
    console.log("{from}...{value} USDC...{to}");
  });
}

Preview