Method: Zold::Txns#fetch

Defined in:
lib/zold/txns.rb

#fetch ⇒ Object

Raises:



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# File 'lib/zold/txns.rb', line 43

def fetch
  raise "Wallet file '#{@file}' is absent" unless File.exist?(@file)
  txns = []
  i = 0
  File.open(@file) do |f|
    until f.eof?
      line = f.readline
      i += 1
      next if i < 5
      next if line.strip.empty?
      txns << Txn.parse(line, i)
    end
  end
  raise CantParse, "Not enough lines in #{@file}, just #{i}" if i < 4
  txns.sort
end