Ethereum: C# library Binance.NET: get current average coin price
Here is an article with code examples and explanations on how to get the current average price of a coin using the Binance.NET library in C#:
Getting the current average price of a coin using Binance.NET
The Binance.NET library provides a convenient way to interact with the Binance API, allowing access to various financial markets and data. One of the key features of this library is its support for getting the current prices of various assets, including cryptocurrencies.
In this article, we will focus on getting the current average price of Bitcoin using C#.
Prerequisites
Before continuing, make sure you have installed the Binance.NET library and configured it correctly. You can install it using the NuGet Package Manager or by running the following command in the terminal:
dotnet add package Binance.NET
Additionally, you will need to create an account on Binance.com and obtain an API key.
Code Example
Here is a simple C
code example that shows how to get the current average price of Bitcoin using the Binance.NET library:
using System;
using System.Net.Http;
using System.Threading.Tasks;
namespace Binance.NETExample
{
class Program
{
static async Task Main(string[] args)
{
// Set your API key and exchange ID
const string apiKey = "YOUR_API_KEY";
const string exchangeId = "binance";
// Create a new HttpClient instance
using var client = new HttpClient();
try
{
// Get the current average Bitcoin price
var response = await client.GetAsync($"
// Check if the request was successful
if (response.IsSuccessStatusCode)
{
var data = await response.Content.ReadAsStringAsync();
var averagePrice = CalculateAveragePrice(data);
Console.WriteLine($"Current average Bitcoin price: {averagePrice} BTC");
}
}
catch (Exception ex)
{
Console.WriteLine($"Error: {ex.Message}");
}
// Clear
client.Dispose();
}
static double CalculateAveragePrice(string data)
{
var lines = data.Split('\n');
if (lines.Length < 1) return 0;
var averagePrice = 0.0;
var sum = 0.0;
foreach (var line in lines)
{
var parts = line.Split(',');
if (parts.Length >= 9 && int.TryParse(parts[8], out var price))
{
averagePrice += price;
sum += price * float.Parse(parts[8]);
}
}
return averagePrice / sum > 0 ? averagePrice : 0;
}
}
}
Explanation
The above code retrieves the current average price of bitcoin by sending a GET request to the klines
endpoint of the Binance API. The symbol
, interval
and limit
parameters are used to specify the desired time interval (in this case 1 minute) and the maximum number of rows to retrieve.
To calculate the average price, we loop through each row of data and extract the price values from each row. We then sum these prices and divide by the total number of rows to get an estimated average price.
Note that if there are less than 100 rows with a valid price, the CalculateAveragePrice
method will return 0 due to division by zero.
Tips and Variations
- You can modify the
symbol
,interval
andlimit
parameters as needed to suit your specific requirements.