class CryptoconditionsRuby::Utils::Base58
Constants
- CHARS
Public Class Methods
decode(data_string)
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# File lib/cryptoconditions_ruby/utils/base58.rb, line 35 def self.decode(data_string) vlong = data_string.each_byte.inject(0) do |store, b| store = decoding_table[b.chr] + (58 * store) store end result = '' while vlong > 0 result += (vlong % 256).chr vlong /= 256 end while data_string[0] == '1' result += "\x00" data_string = data_string[1..-1] end result.reverse end
decoding_table()
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# File lib/cryptoconditions_ruby/utils/base58.rb, line 6 def self.decoding_table @decoding_table ||= generate_decoding_table end
encode(data)
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# File lib/cryptoconditions_ruby/utils/base58.rb, line 20 def self.encode(data) cdata = data.unpack('C*') vlong = cdata.inject(0) { |store, v| v + store * 256 } result = '' while vlong > 0 result += encoding_table[vlong % 58] vlong /= 58 end while cdata.first.zero? result += '1' cdata = cdata[1..-1] end result.reverse end
encoding_table()
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# File lib/cryptoconditions_ruby/utils/base58.rb, line 16 def self.encoding_table @encoding_table ||= decoding_table.invert end
generate_decoding_table()
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# File lib/cryptoconditions_ruby/utils/base58.rb, line 10 def self.generate_decoding_table CHARS.join.split('').each_with_index.each_with_object({}) do |(c, i), store| store[c] = i end end