Ethereum Blockchain Indexer

main.js

const { ethers } = require("ethers");

const provider = new ethers.providers.WebSocketProvider(
  "wss://mainnet.infura.io/ws/v3/992c9dccdfd849dabf68ab78d689595d"
);
console.log(provider);

provider.on("block", (blockNumber) => {
  provider
    .getBlockWithTransactions(blockNumber)
    .then((block) => {
      const transactions = block.transactions;
      console.log(
        `New block received: ${blockNumber}, ${transactions.length} transactions`
      );
      console.log(transactions);
    })
    .catch((error) => {
      console.error(error);
    });
});

package.json

{
  "name": "block-indexer",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "ethers": "^5.7.2"
  }
}