class Lightning::Onion::Packet

Attributes

hmac[RW]
public_key[RW]
routing_info[RW]
version[RW]

Public Class Methods

new(version, public_key, routing_info, hmac) click to toggle source
# File lib/lightning/onion/packet.rb, line 8
def initialize(version, public_key, routing_info, hmac)
  @version = version
  @public_key = public_key
  @routing_info = routing_info
  raise "invalid size #{routing_info.size}" unless routing_info.size == Packet.routing_bytesize * 2
  @hmac = hmac
end
parse(payload) click to toggle source
# File lib/lightning/onion/packet.rb, line 20
def self.parse(payload)
  version, public_key, rest = payload.unpack('aH66a*')
  routing_info = rest[0...routing_bytesize].bth
  hmac = rest[routing_bytesize..-1].bth
  new(version, public_key, routing_info, hmac)
end
routing_bytesize() click to toggle source
# File lib/lightning/onion/packet.rb, line 16
def self.routing_bytesize
  Lightning::Onion::Sphinx::MAX_HOPS * Lightning::Onion::Sphinx::HOP_LENGTH
end

Public Instance Methods

last?() click to toggle source
# File lib/lightning/onion/packet.rb, line 35
def last?
  hmac == '00' * 32
end
to_payload() click to toggle source
# File lib/lightning/onion/packet.rb, line 27
def to_payload
  payload = +''
  payload << [version, public_key].pack('aH66')
  payload << routing_info.htb
  payload << hmac.htb
  payload
end