ethers_js_default_provider_block_number_and_balance_query.ts

1import { ethers } from "ethers";
2
3// A Provider is a read-only connection to the blockchain, which allows
4// querying the blockchain state such as account balances and block number.
5// In v6, the default provider connects to multiple backends (Infura, Etherscan, etc.)
6const provider = ethers.getDefaultProvider();
7
8async function main() {
9    // Get the current block number
10    const blockNumber = await provider.getBlockNumber();
11    console.log("Current block number:", blockNumber);
12
13    // Get the balance of an account (Vitalik's address as an example)
14    const balance = await provider.getBalance("0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045");
15    
16    // Convert the balance from wei (BigInt) to a readable string in ether
17    console.log("Balance:", ethers.formatEther(balance), "ETH");
18}
19
20main().catch((error) => {
21    console.error(error);
22    process.exitCode = 1;
23});