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Redlock (Redis Distributed Lock) implementation

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redlock lib redlock util.ex
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lib/redlock/util.ex 

defmodule Redlock.Util do



  def random_value() do

    SecureRandom.hex(40)

  end



  def now() do

    System.system_time(:milli_seconds)

  end



  def calc_backoff(base_ms, max_ms, attempt_counts) do

    base_ms * :math.pow(2, attempt_counts)

    |> min(max_ms)

    |> trunc

    |> :rand.uniform

  end



end