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Ethereum's ABI Interface

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abi lib abi parser.ex
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lib/abi/parser.ex 

defmodule ABI.Parser do

  @moduledoc false



  @doc false

  def parse!(str, opts \\ []) do

    {:ok, tokens, _} = str |> String.to_charlist() |> :ethereum_abi_lexer.string()



    tokens =

      case opts[:as] do

        nil -> tokens

        :type -> [{:"expecting type", 1} | tokens]

        :selector -> [{:"expecting selector", 1} | tokens]

      end



    {:ok, ast} = :ethereum_abi_parser.parse(tokens)



    case ast do

      {:type, type} -> type

      {:selector, selector_parts} -> struct!(ABI.FunctionSelector, selector_parts)

    end

  end

end