class Base58GMP
Constants
- ALPHABETS
- BASE58_LENGTH_MD5
- DEFAULT_ALPHABET
- GMP_ALPHABET
- VERSION
Public Class Methods
alphabet_digits(alphabet)
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# File lib/base58_gmp.rb, line 62 def self.alphabet_digits(alphabet) alphabet = normalize_alphabet alphabet unless ALPHABETS.key? alphabet fail ArgumentError, "Alphabet is invalid: #{alphabet}" end return ALPHABETS[alphabet] end
base58_to_integer(base58, alphabet = DEFAULT_ALPHABET)
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# File lib/base58_gmp.rb, line 33 def self.base58_to_integer(base58, alphabet = DEFAULT_ALPHABET) unless base58.is_a? String fail ArgumentError, 'Base58 argument is not a string.' end unless normalize_alphabet(alphabet) == GMP_ALPHABET base58 = from_to(base58, alphabet, GMP_ALPHABET) end GMP::Z.new(base58, 58) end
Also aliased as: decode
from_to(base58, from_alphabet, to_alphabet)
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# File lib/base58_gmp.rb, line 45 def self.from_to(base58, from_alphabet, to_alphabet) unless base58.is_a? String fail ArgumentError, 'Base58 argument is not a string.' end from_digits = alphabet_digits from_alphabet to_digits = alphabet_digits to_alphabet from_digits != to_digits \ ? base58.tr(from_digits, to_digits) \ : base58 end
integer_to_base58(integer, alphabet = DEFAULT_ALPHABET)
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# File lib/base58_gmp.rb, line 23 def self.integer_to_base58(integer, alphabet = DEFAULT_ALPHABET) base58 = integer.is_a?(GMP::Z) \ ? integer.to_s(58) \ : GMP::Z(integer).to_s(58) normalize_alphabet(alphabet) == GMP_ALPHABET \ ? base58 \ : from_to(base58, GMP_ALPHABET, alphabet) end
Also aliased as: encode
md5_base58(data, alphabet = DEFAULT_ALPHABET, opts = {})
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# File lib/base58_gmp.rb, line 72 def self.md5_base58(data, alphabet = DEFAULT_ALPHABET, opts = {}) base58 = integer_to_base58(Digest::MD5.hexdigest(data).hex, alphabet) opts.key?(:pad) && opts[:pad] \ ? base58.rjust(BASE58_LENGTH_MD5, alphabet_digits(alphabet)[0]) \ : base58 end
Also aliased as: md5
normalize_alphabet(alphabet)
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# File lib/base58_gmp.rb, line 58 def self.normalize_alphabet(alphabet) alphabet.to_sym.downcase end