Seed phrase checksums

Mix.install([
  {:bitcoinlib, "~> 0.2.4"}
])

alias BitcoinLib.Key.HD.{Entropy}
alias BitcoinLib.Key.HD.SeedPhrase
alias BitcoinLib.Key.PrivateKey
alias BitcoinLib.Key.HD.SeedPhrase.Wordlist

Section

valid_seed_phrase =
  "12345612345612345612345612345612345612345612345612"
  |> Entropy.from_dice_rolls!()
  |> SeedPhrase.wordlist_from_entropy()

first_11_words = "blue involve cook print twist crystal razor february caution private slim"

valid_final_words =
  Wordlist.all()
  |> Enum.map(fn final_word ->
    valid? =
      "#{first_11_words} #{final_word}"
      |> SeedPhrase.validate()

    {final_word, valid?}
  end)
  |> Enum.filter(fn {_, valid?} ->
    valid?
  end)
  |> Enum.map(fn {valid_word, true} ->
    valid_word
  end)

IO.inspect(valid_final_words)
IO.inspect(Enum.count(valid_final_words))

first_23_words =
  "involve cook print twist crystal razor february caution private slim blue involve cook print twist crystal razor february caution private slim private slim"

valid_final_words =
  Wordlist.all()
  |> Enum.map(fn final_word ->
    valid? =
      "#{first_23_words} #{final_word}"
      |> SeedPhrase.validate()

    {final_word, valid?}
  end)
  |> Enum.filter(fn {_, valid?} ->
    valid?
  end)
  |> Enum.map(fn {valid_word, true} ->
    valid_word
  end)

IO.inspect(valid_final_words)

Enum.count(valid_final_words)

first_words = "involve cook print twist crystal razor february caution private slim blue slim"
last_words = "involve cook print twist crystal razor february caution private slim private"

valid_final_words =
  Wordlist.all()
  |> Enum.map(fn missing_word ->
    valid? =
      "#{first_words} #{missing_word} #{last_words}"
      |> SeedPhrase.validate()

    {missing_word, valid?}
  end)
  |> Enum.filter(fn {_, valid?} ->
    valid?
  end)
  |> Enum.map(fn {valid_word, true} ->
    valid_word
  end)

IO.inspect(valid_final_words)

Enum.count(valid_final_words)

valid_seed_phrase =
  "work tenant tourist globe spice cattle " <>
    "suggest fever begin boil undo slogan " <>
    "concert mystery midnight affair frequent helmet " <>
    "federal token fit speak health vendor"

valid? = valid_seed_phrase |> SeedPhrase.validate()

IO.inspect(valid?)

# remove the 5th word
first_words =
  valid_seed_phrase |> String.split() |> Enum.take(4) |> Enum.join(" ") |> IO.inspect()

missing_word = valid_seed_phrase |> String.split() |> Enum.at(4) |> IO.inspect()

last_words =
  valid_seed_phrase |> String.split() |> Enum.take(-19) |> Enum.join(" ") |> IO.inspect()

valid_final_words =
  Wordlist.all()
  |> Enum.map(fn missing_word ->
    valid? =
      "#{first_words} #{missing_word} #{last_words}"
      |> SeedPhrase.validate()

    {missing_word, valid?}
  end)
  |> Enum.filter(fn {_, valid?} ->
    valid?
  end)
  |> Enum.map(fn {valid_word, true} ->
    valid_word
  end)

IO.inspect(valid_final_words)

Enum.count(valid_final_words)

valid_seed_phrase =
  "work tenant tourist globe among cattle suggest fever begin boil undo hurt " <>
    "work tenant tourist globe among cattle suggest fever begin boil undo slogan"

valid? = valid_seed_phrase |> SeedPhrase.validate()

IO.inspect(valid?)

# remove the 12th word
first_words =
  valid_seed_phrase |> String.split() |> Enum.take(11) |> Enum.join(" ") |> IO.inspect()

missing_word = valid_seed_phrase |> String.split() |> Enum.at(11) |> IO.inspect()

last_words =
  valid_seed_phrase |> String.split() |> Enum.take(-12) |> Enum.join(" ") |> IO.inspect()

valid_final_words = SeedPhrase.find_possible_missing_words(first_words, last_words)

IO.inspect(valid_final_words)

Enum.count(valid_final_words)

first_words = "work tenant tourist globe among cattle suggest fever begin boil undo "
last_words = "work tenant tourist globe among cattle suggest fever begin boil undo slogan"

valid_final_words = SeedPhrase.find_possible_missing_words(first_words, last_words)