using System;

using System.Text;

using System.Security.Cryptography;

public class Program

{

    public static void Main()

    {

        string secret = "CjY:2MCqCTUTT<Kg0LfS=e8XT!mL4FkE";

        string path = @"/api/v2/partner/healthcheck";

        string body = "";//"""{\"payin_group\": \"crypto\",\"payin_amount\": 1,\"payin_currency\": \"ETH\",\"payout_group\": \"crypto\",\"payout_currency\": \"BTC\",\"payout_group\": \"balance\"}""";

        var sha256 = SHA256.Create();

        byte[] hash = sha256.ComputeHash(Encoding.UTF8.GetBytes($"{path}{body}"));

        var hmac = new HMACSHA512(Encoding.UTF8.GetBytes(secret));

        var signature = hmac.ComputeHash(hash);

        string base64EncodedSignature = Convert.ToBase64String(signature);

        Console.WriteLine(base64EncodedSignature);

    }

}