web3Interactive/reference/demo/balance_query/query_balance_eth.mjs

import { ethers } from "ethers";

// 设置 RPC URL
const rpcUrl = '';

// 初始化 ethers.js 提供器
const provider = new ethers.JsonRpcProvider(rpcUrl);

// 检查是否连接成功
async function checkConnection() {
    try {
        const network = await provider.getNetwork();
        console.log(`已成功连接到链节点，网络ID为: ${network.chainId}。正在查询钱包余额...`);
        return true;
    } catch (error) {
        console.log("无法连接到链节点，请检查 URL 是否正确");
        return false;
    }
}

// 替换为实际的钱包地址列表
const walletAddresses = [
    '0xe50B77Cd771243b8Ae1d6ce33b4E13ECC5Fa28a6',
    '0x9ea2ECAD4090E32916e03b77d7C75CbF6C8E0A55',
    '0xE8A4b0C04300154DC9B1D0e565Ba70F996614690',
    '0x1b623c5d70c93b437d93c305bf2cfa389095f636',
    '0x06D25c3e0E1F753ac0486a3f8aaD7259149656cB',
    '0x15cFEE34Ca4541CAc9a1c4B6F6aB47A65877E240',
    '0x7aBF0dA8Ac07B6dE7206e467988455E1AD0b60B5',
    '0xF736f45d4663a8D8DfF7EFA55b1Cf6Fe38D026c8',
    '0x83173eECf3a6d9ABB79682568e16c2eAd361620e',
    '0xa401b85B4849Fc7610Bd180cc937859C78528F47'
];

async function queryBalances() {
    const isConnected = await checkConnection();
    if (!isConnected) {
        return;
    }

    let walletNum = 1;
    for (const walletAddress of walletAddresses) {
        let retryCount = 0;
        const maxRetries = 3;
        const delay = 2000; // 延迟时间，单位为毫秒

        let resultMessage = "";
        let resultBalance = -1;

        while (retryCount < maxRetries) {
            try {
                // 查询余额
                const balance = await provider.getBalance(walletAddress);
                // 将余额从 Wei 转换为 Ether
                const balanceEth = ethers.formatUnits(balance, 18);
                resultMessage = `Wallet address: ${walletAddress} ${walletNum}, balance: ${balanceEth} Token`;
                resultBalance = balanceEth;
                console.log(resultMessage);
                walletNum += 1;
                break;
            } catch (e) {
                console.log(`查询钱包 ${walletAddress} ${walletNum} 余额时发生错误: ${e.message}`);
                retryCount += 1;
                console.log(`正在重试...（第 ${retryCount} 次）`);
                await new Promise((resolve) => setTimeout(resolve, delay));
            }
        }

        if (retryCount === maxRetries) {
            resultMessage = `钱包 ${walletAddress} 查询余额失败，已达到最大重试次数。`;
            console.log(resultMessage);
        }
    }
}

queryBalances();