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stellar_base

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Low-level elixir library to read, write, hash, and sign XDR primitive constructs used in the Stellar network.

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stellar_base lib xdr base uint256.ex
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lib/xdr/base/uint256.ex 

defmodule Stellar.XDR.UInt256 do

  @moduledoc """

  Representation of Stellar `UInt256` type.

  """

  alias Stellar.XDR.Opaque32



  @behaviour XDR.Declaration



  @type t :: %__MODULE__{datum: binary()}



  defstruct [:datum]



  @spec new(uint256 :: binary()) :: t()

  def new(uint256), do: %__MODULE__{datum: uint256}



  @impl true

  def encode_xdr(%__MODULE__{datum: uint256}) do

    Opaque32.encode_xdr(%Opaque32{opaque: uint256})

  end



  @impl true

  def encode_xdr!(%__MODULE__{datum: uint256}) do

    Opaque32.encode_xdr!(%Opaque32{opaque: uint256})

  end



  @impl true

  def decode_xdr(bytes, term \\ nil)



  def decode_xdr(bytes, _term) do

    case Opaque32.decode_xdr(bytes) do

      {:ok, {%Opaque32{opaque: uint256}, rest}} -> {:ok, {new(uint256), rest}}

      error -> error

    end

  end



  @impl true

  def decode_xdr!(bytes, term \\ nil)



  def decode_xdr!(bytes, _term) do

    {%Opaque32{opaque: uint256}, rest} = Opaque32.decode_xdr!(bytes)

    {new(uint256), rest}

  end

end