public void TestIsDefault()
{
JObject wallet = new();
wallet["name"] = "name";
wallet["version"] = new Version("1.0").ToString();
wallet["scrypt"] = new ScryptParameters(2, 1, 1).ToJson();
wallet["accounts"] = new JArray();
wallet["extra"] = new JObject();
var w = new NEP6Wallet(null, "", ProtocolSettings.Default, wallet);
var ac = w.CreateAccount();
Assert.AreEqual(ac.Address, w.GetDefaultAccount().Address);
var ac2 = w.CreateAccount();
Assert.AreEqual(ac.Address, w.GetDefaultAccount().Address);
ac2.IsDefault = true;
Assert.AreEqual(ac2.Address, w.GetDefaultAccount().Address);
}