Function grin_wallet_api::try_slatepack_sync_workflow

pub fn try_slatepack_sync_workflow(
    slate: &Slate, 
    dest: &str, 
    tor_config: Option<TorConfig>, 
    tor_sender: Option<HttpSlateSender>, 
    send_to_finalize: bool, 
    test_mode: bool
) -> Result<Option<Slate>, Error>

attempt to send slate synchronously, starting with TOR and downgrading to HTTP