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<li class="navelem"><a class="el" href="dir_120ed4da3e3217b1e7fc0b4f48568e79.html">test</a></li><li class="navelem"><a class="el" href="dir_7749a6d72d71c606925d7a83be5aed68.html">consensus</a></li> </ul>
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<div class="title">ByzantineFailureSim_test.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> Copyright (c) 2012-2017 Ripple Labs Inc.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">//==============================================================================</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &lt;ripple/beast/clock/manual_clock.h&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;ripple/beast/unit_test.h&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &lt;test/csf.h&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/utility.html">utility</a>&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keyword">namespace </span>test {</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; </div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1ByzantineFailureSim__test.html"> 27</a></span>&#160;<span class="keyword">class </span><a class="code" href="classripple_1_1test_1_1ByzantineFailureSim__test.html">ByzantineFailureSim_test</a> : <span class="keyword">public</span> beast::unit_test::suite</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;{</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keywordtype">void</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1ByzantineFailureSim__test.html#aca00fe86cb1e34a67345eb7437df7077"> 30</a></span>&#160; <a class="code" href="classripple_1_1test_1_1ByzantineFailureSim__test.html#aca00fe86cb1e34a67345eb7437df7077">run</a>()<span class="keyword"> override</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword"> </span>{</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keyword">using namespace </span>csf;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keyword">using namespace </span><a class="codeRef" href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a>;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="comment">// This test simulates a specific topology with nodes generating</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="comment">// different ledgers due to a simulated byzantine failure (injecting</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="comment">// an extra non-consensus transaction).</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; Sim sim;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <a class="code" href="structripple_1_1ConsensusParms.html">ConsensusParms</a> <span class="keyword">const</span> parms{};</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; SimDuration <span class="keyword">const</span> delay =</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; date::round&lt;milliseconds&gt;(0.2 * parms.ledgerGRANULARITY);</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; PeerGroup a = sim.createGroup(1);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; PeerGroup b = sim.createGroup(1);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; PeerGroup c = sim.createGroup(1);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; PeerGroup d = sim.createGroup(1);</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; PeerGroup e = sim.createGroup(1);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; PeerGroup f = sim.createGroup(1);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; PeerGroup g = sim.createGroup(1);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; a.trustAndConnect(a + b + c + g, delay);</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; b.trustAndConnect(b + a + c + d + e, delay);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; c.trustAndConnect(c + a + b + d + e, delay);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; d.trustAndConnect(d + b + c + e + f, delay);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; e.trustAndConnect(e + b + c + d + f, delay);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; f.trustAndConnect(f + d + e + g, delay);</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; g.trustAndConnect(g + a + f, delay);</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; PeerGroup network = a + b + c + d + e + f + g;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; StreamCollector sc{<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/cout.html">std::cout</a>};</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; sim.collectors.add(sc);</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">for</span> (TrustGraph&lt;Peer*&gt;::ForkInfo <span class="keyword">const</span>&amp; fi :</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; sim.trustGraph.forkablePairs(0.8))</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/cout.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;Can fork &quot;</span> &lt;&lt; PeerGroup{fi.unlA} &lt;&lt; <span class="stringliteral">&quot; &quot;</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; PeerGroup{fi.unlB}</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; &lt;&lt; <span class="stringliteral">&quot; overlap &quot;</span> &lt;&lt; fi.overlap &lt;&lt; <span class="stringliteral">&quot; required &quot;</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; &lt;&lt; fi.required &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; };</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="comment">// set prior state</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; sim.run(1);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; PeerGroup byzantineNodes = a + b + c + g;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="comment">// All peers see some TX 0</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordflow">for</span> (<a class="code" href="classripple_1_1Peer.html">Peer</a> * peer : network)</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; peer-&gt;submit(Tx(0));</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="comment">// Peers 0,1,2,6 will close the next ledger differently by injecting</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="comment">// a non-consensus approved transaciton</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">if</span> (byzantineNodes.contains(peer))</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; peer-&gt;txInjections.emplace(</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; peer-&gt;lastClosedLedger.seq(), Tx{42});</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; }</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; sim.run(4);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/cout.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;Branches: &quot;</span> &lt;&lt; sim.branches() &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/cout.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;Fully synchronized: &quot;</span> &lt;&lt; <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/manip/boolalpha.html">std::boolalpha</a></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; &lt;&lt; sim.synchronized() &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="comment">// Not tessting anything currently.</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; pass();</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; }</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;};</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<a class="code" href="namespaceripple_1_1test.html#affd2de93e088271db6605a235074acf2">BEAST_DEFINE_TESTSUITE_MANUAL</a>(ByzantineFailureSim, consensus, <a class="code" href="namespaceripple.html">ripple</a>);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;} <span class="comment">// namespace test</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;} <span class="comment">// namespace ripple</span></div>
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