class Address
Constants
- SS58_PREFIX
- TYPES
Public Class Methods
array_to_hex_string(arr)
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# File lib/common.rb, line 111 def array_to_hex_string(arr) body = arr.map { |i| i.to_s(16).rjust(2, '0') }.join "0x#{body}" end
decode(address, addr_type = 42, ignore_checksum = true)
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# File lib/common.rb, line 116 def decode(address, addr_type = 42, ignore_checksum = true) decoded = Base58.base58_to_binary(address, :bitcoin) is_pubkey = decoded.size == 35 size = decoded.size - ( is_pubkey ? 2 : 1 ) prefix = decoded[0, 1].unpack("C*").first raise "Invalid address type" unless TYPES.include?(addr_type) hash_bytes = make_hash(decoded[0, size]) if is_pubkey is_valid_checksum = decoded[-2].unpack("C*").first == hash_bytes[0] && decoded[-1].unpack("C*").first == hash_bytes[1] else is_valid_checksum = decoded[-1].unpack("C*").first == hash_bytes[0] end raise "Invalid decoded address checksum" unless is_valid_checksum && ignore_checksum decoded[1...size].unpack("H*").first end
encode(pubkey, addr_type = 42)
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# File lib/common.rb, line 139 def encode(pubkey, addr_type = 42) pubkey = pubkey[2..-1] if pubkey =~ /^0x/i key = [pubkey].pack("H*") u8_array = key.bytes u8_array.unshift(addr_type) bytes = make_hash(u8_array.pack("C*")) checksum = bytes[0, key.size == 32 ? 2 : 1] u8_array.push(*checksum) input = u8_array.pack("C*") Base58.binary_to_base58(input, :bitcoin) end
make_hash(body)
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# File lib/common.rb, line 158 def make_hash(body) Blake2b.bytes("#{SS58_PREFIX}#{body}", Blake2b::Key.none, 64) end