Module: Tapyrus::KeyPath

Included in:
Wallet::MasterKey
Defined in:
lib/tapyrus/key_path.rb

Instance Method Summary collapse

Instance Method Details

#parse_key_path(path_string) ⇒ Array[Integer]

key path convert an array of derive number

Parameters:

Returns:

  • (Array[Integer]) —

    key path numbers.



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# File 'lib/tapyrus/key_path.rb', line 6

def parse_key_path(path_string)
  path_string
    .split("/")
    .map
    .with_index do |p, index|
      if index == 0
        raise ArgumentError.new("#{path_string} is invalid format.") unless p == "m"
        next
      end
      raise ArgumentError.new("#{path_string} is invalid format.") unless p.delete("'") =~ /^[0-9]+$/
      (p[-1] == "'" ? p.delete("'").to_i + Tapyrus::HARDENED_THRESHOLD : p.to_i)
    end[
    1..-1
  ]
end

#to_key_path(numbers) ⇒ String

key path numbers convert to path string.

Parameters:

  • key (Array[Integer]) —

    path numbers.

Returns:



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# File 'lib/tapyrus/key_path.rb', line 25

def to_key_path(numbers)
  "m/#{numbers.map { |p| p >= Tapyrus::HARDENED_THRESHOLD ? "#{p - Tapyrus::HARDENED_THRESHOLD}'" : p.to_s }.join("/")}"
end