Packages

ex_rlp

0.5.3
0.6.0 0.5.5 0.5.4 0.5.3 0.5.2 0.5.1 0.5.0 0.4.1 0.4.0 0.3.1 0.3.0 0.2.1 0.2.0 0.1.1 0.1.0

Ethereum's Recursive Length Prefix (RLP) encoding

HexDocs

Current section

Files

Jump to
Readme
15 Versions
0 Dependencies
Dependants
Files
Activity
ex_rlp lib ex_rlp decode.ex
Raw

lib/ex_rlp/decode.ex 

defmodule ExRLP.Decode do

  @moduledoc false

  alias ExRLP.DecodeItem

  @spec decode(binary(), keyword()) :: ExRLP.t()

  def decode(item, options \\ []) when is_binary(item) do

    item

    |> unencode(Keyword.get(options, :encoding, :binary))

    |> DecodeItem.decode_item()

  end



  @spec unencode(binary(), atom()) :: binary()

  defp unencode(value, :binary), do: value

  defp unencode(value, :hex), do: decode_hex(value)



  @spec decode_hex(binary()) :: binary()

  defp decode_hex(binary) do

    Base.decode16!(binary, case: :lower)

  end

end