Avoid too many return statements within this method.

Open

      return "#{days}d" if days < 14

Method top_scores has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    def top_scores(opts)
      best = []
      @remotes.iterate(@log) do |r|
        @log.debug("Testing #{r}...")
        uri = '/'

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Method sign has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    def sign(pvt, id, txn)
      raise 'pvt must be of type Key' unless pvt.is_a?(Key)
      raise 'id must be of type Id' unless id.is_a?(Id)
      raise 'txn must be of type Txn' unless txn.is_a?(Txn)
      pvt.sign(body(id, txn))

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Method all has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    def all
      DirItems.new(path).fetch.select do |f|
        next unless f.end_with?(Wallet::EXT)
        basename = File.basename(f, Wallet::EXT)
        file = File.join(path, f)

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Method exists? has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    def exists?(id, body)
      DirItems.new(@dir).fetch.each do |f|
        next unless f.start_with?("#{id}-")
        return true if safe_read(File.join(@dir, f)) == body
      end

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Method trim has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    def trim(opts)
      all = @remotes.all
      all.each do |r|
        next if r[:errors] <= opts['tolerate']
        @remotes.remove(r[:host], r[:port]) if !opts['masters-too'] || !r[:master]

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Method all has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    def all
      list = Futex.new(@file).open(false) { load }
      max_score = list.empty? ? 0 : list.max_by { |r| r[:score] }[:score]
      max_score = 1 if max_score.zero?
      max_errors = list.empty? ? 0 : list.max_by { |r| r[:errors] }[:errors]

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Method fetch has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    def fetch
      raise "Wallet file '#{@file}' is absent" unless File.exist?(@file)
      lines = []
      File.open(@file) do |f|
        lines << f.readline.strip while lines.count < 4 && !f.eof?

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