class Zilliqa::Util::Bech32
Public Class Methods
from_bech32(address)
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# File lib/zilliqa/util/bech32.rb, line 17 def self.from_bech32(address) data = Bitcoin::Bech32.decode(address) raise 'Expected hrp to be zil' unless data[0] == 'zil' ret = Bitcoin::Bech32.convert_bits(data[1], from_bits: 5, to_bits: 8, pad: false) to_checksum_address(Util.encode_hex(ret.pack('c*'))).sub('0x', '') end
to_bech32(address)
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# File lib/zilliqa/util/bech32.rb, line 7 def self.to_bech32(address) raise 'Invalid address format.' unless Validator.address?(address) address = address.sub('0x','') ret = Bitcoin::Bech32.convert_bits(Util.decode_hex(address).bytes, from_bits: 8, to_bits: 5, pad: false) Bitcoin::Bech32.encode('zil', ret) end
to_checksum_address(address)
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takes hex-encoded string and returns the corresponding address
@param {string} address @returns {string}
# File lib/zilliqa/util/bech32.rb, line 33 def self.to_checksum_address(address) return from_bech32(address) if Validator.bech32?(address) address = address.downcase.gsub('0x', '') s1 = Digest::SHA256.hexdigest(Util.decode_hex(address)) v = s1.to_i(16) ret = ['0x'] address.each_char.each_with_index do |c, idx| if '1234567890'.include?(c) ret << c else ret << ((v & (2 ** (255 - 6 * idx))) < 1 ? c.downcase : c.upcase) end end ret.join end