.net core 控制台应用查询ethereum地址余额

[hujianglang]

1， 安装Nethereum.Hex,Nethereum.Web3 两个开发包，可以通过NuGet包管理工具安装。 用这两个包开发就方便多了。 参考这个网站：https://playground.nethereum.eth.link/csharp/id/1001 2， 用了以下代码：

using System;
using System.Text;
using Nethereum.Hex.HexConvertors.Extensions;
using System.Threading.Tasks;
using Nethereum.Web3;

public class Program
{

    static async Task Main(string[] args)
    {

        // This sample shows how to connect to Ethereum mainnet using Infura
        // and check an account balance:

        // We first need to generate an instance of web3, using INFURA's mainnet url and 
        // our API key.
        // For this sample, we’ll use a special API key `7238211010344719ad14a89db874158c`,
        // but for your own project you’ll need your own key.
        var web3 = new Web3("https://mainnet.infura.io/v3/7238211010344719ad14a89db874158c");

        // Check the balance of one of the accounts provisioned in our chain, to do that, 
        // we can execute the GetBalance request asynchronously:
        var balance = await web3.Eth.GetBalance.SendRequestAsync("0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae");
        Console.WriteLine("Balance of Ethereum Foundation's account: " + balance.Value);

    }

}

效果不错，查询的是eth基金会的地址，有个这个开发包，开发就方便多了，可以利用脚本查询一些信息了。可以在熟悉下python的调用方式，先把环境、基础的API先熟悉起来。

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