class SidekiqUniqueJobs::Lock

def lock(job_id, lock_info = {})
  redis do |conn|
    conn.multi do
      conn.set(key.digest, job_id)
      conn.hset(key.locked, job_id, now_f)
      info.set(lock_info)
      conn.zadd(key.digests, now_f, key.digest)
      conn.zadd(key.changelog, now_f, changelog_json(job_id, "queue.lua", "Queued"))
      conn.zadd(key.changelog, now_f, changelog_json(job_id, "lock.lua", "Locked"))
    end
  end
end