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bitcoinlib

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Generate private/public keys and addresses for the bitcoin network

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bitcoinlib lib signing psbt input final_scriptsig.ex
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lib/signing/psbt/input/final_scriptsig.ex 

defmodule BitcoinLib.Signing.Psbt.Input.FinalScriptSig do

  defstruct [:script_sig]



  alias BitcoinLib.Signing.Psbt.Input.FinalScriptSig

  alias BitcoinLib.Signing.Psbt.Keypair.{Key}

  alias BitcoinLib.Script



  def parse(keypair) do

    %{keypair: keypair, final_script_sig: %FinalScriptSig{}}

    |> validate_keypair()

    |> extract_final_script_sig()

  end



  defp validate_keypair(%{keypair: keypair, final_script_sig: final_script_sig} = map) do

    case keypair.key do

      %Key{data: <<>>} ->

        map



      _ ->

        %{

          map

          | final_script_sig:

              Map.put(final_script_sig, :error, "invalid final script sig typed key")

        }

    end

  end



  defp extract_final_script_sig(%{final_script_sig: %{error: _message} = final_script_sig}),

    do: final_script_sig



  defp extract_final_script_sig(%{keypair: keypair}) do

    script = Script.parse(keypair.value.data)

    

    %FinalScriptSig{script_sig: script}

  end

end