/// <inheritdoc />
public override async Task Handle(VersionMessage message, IPeer sender)
{
sender.Version = message.Payload;
if (_serverContext.Version.Nonce == sender.Version.Nonce)
{
throw new InvalidMessageException($"The handshake is failed due to \"{nameof(_serverContext.Version.Nonce)}\" value equality.");
}
// Change protocol?
if (sender.ChangeProtocol(message.Payload))
{
_logger?.LogWarning("Changed protocol.");
}
// Send Ack
await sender.Send <VerAckMessage>();
}