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# -*- coding: binary -*-
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require 'spec_helper'
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RSpec.describe Rex::Proto::Kademlia::BootstrapResponse do
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  describe '#from_data' do
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    it 'properly decodes real valid bootstrap responses' do
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      data = File.binread(File.join(File.dirname(__FILE__), 'kademlia_bootstrap_res.bin'))
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      response = described_class.from_data(data)
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      expect(response.peer_id).to eq('B54A83462529B21EF51FD54B956B07B0')
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      expect(response.tcp_port).to eq(4662)
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      expect(response.version).to eq(8)
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      # don't bother checking every peer
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      expect(response.peers.size).to eq(20)
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      peer = response.peers.first
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      expect(peer[:id]).to eq('B0A5518388D66BC211B0B9F75B3DCB10')
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      expect(peer[:ip]).to eq('149.91.116.59')
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      expect(peer[:tcp_port]).to eq(4882)
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      expect(peer[:udp_port]).to eq(4992)
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      expect(peer[:version]).to eq(8)
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      peer = response.peers.last
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      expect(peer[:id]).to eq('9B896000AEBE0B0A0ECB35457177A107')
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      expect(peer[:ip]).to eq('83.46.192.208')
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      expect(peer[:tcp_port]).to eq(3662)
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      expect(peer[:udp_port]).to eq(3672)
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      expect(peer[:version]).to eq(8)
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    end
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    it 'does not decode overly small bootstrap responses' do
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      expect(described_class.from_data('this is too small')).to eq(nil)
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    end
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    it 'does not decode malformed bootstrap responses' do
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      expect(described_class.from_data('this is large enough but truncated')).to eq(nil)
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    end
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  end
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end
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