lib/types/nonce.ex
defmodule Kadena.Types.Nonce do
@moduledoc """
`Nonce` struct definition.
"""
@behaviour Kadena.Types.Spec
@type value :: String.t()
@type t :: %__MODULE__{value: value()}
defstruct [:value]
@impl true
def new(str) when is_binary(str), do: %__MODULE__{value: str}
def new(_value), do: {:error, [value: :invalid]}
end