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ex_ftx

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FTX API Client for Elixir

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ex_ftx lib ex_ftx auth.ex
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lib/ex_ftx/auth.ex 

defmodule ExFtx.Auth do

  @type api_secret :: ExFtx.Credentials.api_secret()



  @spec timestamp :: integer

  def timestamp, do: System.os_time(:millisecond)



  @spec sign(api_secret, integer, String.t(), String.t(), term) :: String.t()

  def sign(api_secret, ts, verb, encoded_path, data) do

    payload = "#{ts}#{verb}#{encoded_path}#{data}"



    :sha256

    |> :crypto.hmac(api_secret, payload)

    |> Base.encode16(case: :lower)

  end

end