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ex_bovespa

0.4.0
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A crawler for retrieving B3's stock list

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ex_bovespa lib adapters bovespa_behaviour.ex
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lib/adapters/bovespa_behaviour.ex 

defmodule ExBovespa.Adapters.BovespaBehaviour do

  @moduledoc """

  Defines the functions implemented by Bovespa adapter

  """



  @callback get_list() :: {:ok, String.t()} | {:error, :invalid_response}

  @callback get_item(code :: String.t()) :: {:ok, String.t()} | {:error, :invalid_response}



  @callback get_historical_file(year :: String.t()) ::

              {:ok, binary()} | {:error, :invalid_response}

  @callback get_historical_file(year :: String.t(), month :: String.t()) ::

              {:ok, binary()} | {:error, :invalid_response}

  @callback get_historical_file(year :: String.t(), month :: String.t(), day :: String.t()) ::

              {:ok, binary()} | {:error, :invalid_response}

end