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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_32f81901cd335bc9b50167e5e69d3c20.html">csf</a></li> </ul>
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<div class="title">TrustGraph.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (c) 2012-2017 Ripple Labs Inc</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">//==============================================================================</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef RIPPLE_TEST_CSF_UNL_H_INCLUDED</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define RIPPLE_TEST_CSF_UNL_H_INCLUDED</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <boost/container/flat_set.hpp></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <test/csf/random.h></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/chrono.html">chrono</a>></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/numeric.html">numeric</a>></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/random.html">random</a>></span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/vector.html">vector</a>></span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>test {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>csf {</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span> <<span class="keyword">class</span> Peer></div>
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<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html"> 43</a></span> <span class="keyword">class </span><a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html">TrustGraph</a></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div>
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<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a6d0bed131c660889ce5db2c2f3049abb"> 45</a></span>  <span class="keyword">using</span> <a class="code" href="classripple_1_1test_1_1csf_1_1Digraph.html">Graph</a> = <a class="code" href="classripple_1_1test_1_1csf_1_1Digraph.html">Digraph<Peer></a>;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46"> 47</a></span>  <a class="code" href="classripple_1_1test_1_1csf_1_1Digraph.html">Graph</a> <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#ad71fd7d9762e7c9b25ef2f27514afd9f">TrustGraph</a>() = <span class="keywordflow">default</span>;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="classripple_1_1test_1_1csf_1_1Digraph.html">Graph</a> <span class="keyword">const</span>&</div>
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<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a572638b4bfe5902f794939510f6ddb5f"> 55</a></span>  <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a572638b4bfe5902f794939510f6ddb5f">graph</a>()</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  {</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a14d024e2797abc8edd0557303ee95bca"> 70</a></span>  <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a14d024e2797abc8edd0557303ee95bca">trust</a>(<a class="code" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>& from, <a class="code" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>& to)</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  {</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>.<a class="code" href="classripple_1_1test_1_1csf_1_1Digraph.html#af5178dc42903feb3893fbf50cb895d0e">connect</a>(from, to);</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aa38b4418af13e5f45dd8d44a1a64afe7"> 84</a></span>  <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aa38b4418af13e5f45dd8d44a1a64afe7">untrust</a>(<a class="code" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>& from, <a class="code" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>& to)</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>.<a class="code" href="classripple_1_1test_1_1csf_1_1Digraph.html#af3f8670228239a8a556cc8cb603d043d">disconnect</a>(from, to);</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">//< Whether from trusts to</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#ac3e3fd5bec7f64df6fa53946c7c0af86"> 91</a></span>  <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#ac3e3fd5bec7f64df6fa53946c7c0af86">trusts</a>(<a class="code" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>& from, <a class="code" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>& to)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>.<a class="code" href="classripple_1_1test_1_1csf_1_1Digraph.html#a376b9c22f02e21c62e78c4e9ab5f81b7">connected</a>(from, to);</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  </div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">auto</span></div>
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<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aad907b51c0be8ec01405ba14661f1610"> 103</a></span>  <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aad907b51c0be8ec01405ba14661f1610">trustedPeers</a>(<a class="code" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>& a)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>.<a class="code" href="classripple_1_1test_1_1csf_1_1Digraph.html#a4eb88a3a85abfd45f454a43efc40b234">outVertices</a>(a);</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
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<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html"> 110</a></span>  <span class="keyword">struct </span><a class="code" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html">ForkInfo</a></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  {</div>
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<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#af845c2f4a57962ec6d77a0697ffc0100"> 112</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/set.html">std::set<Peer></a> <a class="code" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#af845c2f4a57962ec6d77a0697ffc0100">unlA</a>;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#a415519523887b3d608c1a47f172e59e5"> 113</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/set.html">std::set<Peer></a> <a class="code" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#a415519523887b3d608c1a47f172e59e5">unlB</a>;</div>
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<div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#ab069cc87e5df4f9c9f2a53fc34d48d4a"> 114</a></span>  <span class="keywordtype">int</span> <a class="code" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#ab069cc87e5df4f9c9f2a53fc34d48d4a">overlap</a>;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#a3a492f56716a3d0fa5eddfa2b5f086e9"> 115</a></span>  <span class="keywordtype">double</span> <a class="code" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#a3a492f56716a3d0fa5eddfa2b5f086e9">required</a>;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  };</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">//< Return nodes that fail the white-paper no-forking condition</span></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<ForkInfo></a></div>
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<div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aece24fb715be8173bdf87d4ea29a6622"> 120</a></span>  <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aece24fb715be8173bdf87d4ea29a6622">forkablePairs</a>(<span class="keywordtype">double</span> quorum)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// Check the forking condition by looking at intersection</span></div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// of UNL between all pairs of nodes.</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  </div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// TODO: Use the improved bound instead of the whitepaper bound.</span></div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">using</span> UNL = <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/set.html">std::set<Peer></a>;</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/set.html">std::set<UNL></a> unique;</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">for</span> (<a class="code" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span> peer : <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>.<a class="code" href="classripple_1_1test_1_1csf_1_1Digraph.html#a4eb88a3a85abfd45f454a43efc40b234">outVertices</a>())</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  {</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  unique.emplace(</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a>(<a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aad907b51c0be8ec01405ba14661f1610">trustedPeers</a>(peer)), <a class="codeRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(<a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aad907b51c0be8ec01405ba14661f1610">trustedPeers</a>(peer)));</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<UNL></a> uniqueUNLs(unique.begin(), unique.end());</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<ForkInfo></a> res;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// Loop over all pairs of uniqueUNLs</span></div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < uniqueUNLs.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>(); ++i)</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  {</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = (i + 1); j < uniqueUNLs.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>(); ++j)</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  {</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">auto</span> <span class="keyword">const</span>& unlA = uniqueUNLs[i];</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">auto</span> <span class="keyword">const</span>& unlB = uniqueUNLs[j];</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">double</span> rhs =</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  2.0 * (1. - quorum) * <a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(unlA.size(), unlB.size());</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">int</span> intersectionSize =</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/count.html">std::count_if</a>(unlA.begin(), unlA.end(), [&](<a class="code" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> p) {</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  return unlB.find(p) != unlB.end();</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  });</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (intersectionSize < rhs)</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  {</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  res.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/emplace_back.html">emplace_back</a>(</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  ForkInfo{unlA, unlB, intersectionSize, rhs});</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">return</span> res;</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  </div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00167"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a96ee13c05cdec0745818f87c553e7bb4"> 167</a></span>  <a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a96ee13c05cdec0745818f87c553e7bb4">canFork</a>(<span class="keywordtype">double</span> quorum)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> !<a class="code" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aece24fb715be8173bdf87d4ea29a6622">forkablePairs</a>(quorum).empty();</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> };</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  </div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> } <span class="comment">// namespace csf</span></div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> } <span class="comment">// namespace test</span></div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> } <span class="comment">// namespace ripple</span></div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  </div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor">#endif</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1TrustGraph_html"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1TrustGraph.html">ripple::test::csf::TrustGraph</a></div><div class="ttdoc">Trust graph.</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00043">TrustGraph.h:43</a></div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1Digraph_html_a4eb88a3a85abfd45f454a43efc40b234"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1Digraph.html#a4eb88a3a85abfd45f454a43efc40b234">ripple::test::csf::Digraph::outVertices</a></div><div class="ttdeci">auto outVertices() const</div><div class="ttdoc">Range over vertices in the graph.</div><div class="ttdef"><b>Definition:</b> <a href="Digraph_8h_source.html#l00149">Digraph.h:149</a></div></div>
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<div class="ttc" id="astructripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo_html_a415519523887b3d608c1a47f172e59e5"><div class="ttname"><a href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#a415519523887b3d608c1a47f172e59e5">ripple::test::csf::TrustGraph::ForkInfo::unlB</a></div><div class="ttdeci">std::set< Peer > unlB</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00113">TrustGraph.h:113</a></div></div>
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<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/vector.html">vector</a></div></div>
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<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/size.html">std::vector::size</a></div><div class="ttdeci">T size(T... args)</div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1TrustGraph_html_ad71fd7d9762e7c9b25ef2f27514afd9f"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1TrustGraph.html#ad71fd7d9762e7c9b25ef2f27514afd9f">ripple::test::csf::TrustGraph::TrustGraph</a></div><div class="ttdeci">TrustGraph()=default</div><div class="ttdoc">Create an empty trust graph.</div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1TrustGraph_html_a14d024e2797abc8edd0557303ee95bca"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a14d024e2797abc8edd0557303ee95bca">ripple::test::csf::TrustGraph::trust</a></div><div class="ttdeci">void trust(Peer const &from, Peer const &to)</div><div class="ttdoc">Create trust.</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00070">TrustGraph.h:70</a></div></div>
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<div class="ttc" id="arandom_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/random.html">random</a></div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1Digraph_html"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1Digraph.html">ripple::test::csf::Digraph< ripple::test::csf::Peer * ></a></div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1TrustGraph_html_aa38b4418af13e5f45dd8d44a1a64afe7"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aa38b4418af13e5f45dd8d44a1a64afe7">ripple::test::csf::TrustGraph::untrust</a></div><div class="ttdeci">void untrust(Peer const &from, Peer const &to)</div><div class="ttdoc">Remove trust.</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00084">TrustGraph.h:84</a></div></div>
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<div class="ttc" id="astructripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo_html_af845c2f4a57962ec6d77a0697ffc0100"><div class="ttname"><a href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#af845c2f4a57962ec6d77a0697ffc0100">ripple::test::csf::TrustGraph::ForkInfo::unlA</a></div><div class="ttdeci">std::set< Peer > unlA</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00112">TrustGraph.h:112</a></div></div>
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<div class="ttc" id="astructripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo_html"><div class="ttname"><a href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html">ripple::test::csf::TrustGraph::ForkInfo</a></div><div class="ttdoc">An example of nodes that fail the whitepaper no-forking condition.</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00110">TrustGraph.h:110</a></div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1Digraph_html_af3f8670228239a8a556cc8cb603d043d"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1Digraph.html#af3f8670228239a8a556cc8cb603d043d">ripple::test::csf::Digraph::disconnect</a></div><div class="ttdeci">bool disconnect(Vertex source, Vertex target)</div><div class="ttdoc">Disconnect two vertices.</div><div class="ttdef"><b>Definition:</b> <a href="Digraph_8h_source.html#l00101">Digraph.h:101</a></div></div>
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<div class="ttc" id="achrono_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/chrono.html">chrono</a></div></div>
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<div class="ttc" id="astructripple_1_1test_1_1csf_1_1Peer_html"><div class="ttname"><a href="structripple_1_1test_1_1csf_1_1Peer.html">ripple::test::csf::Peer</a></div><div class="ttdoc">A single peer in the simulation.</div><div class="ttdef"><b>Definition:</b> <a href="test_2csf_2Peer_8h_source.html#l00062">test/csf/Peer.h:62</a></div></div>
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<div class="ttc" id="aemplace_back_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/emplace_back.html">std::vector::emplace_back</a></div><div class="ttdeci">T emplace_back(T... args)</div></div>
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<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1TrustGraph_html_aad907b51c0be8ec01405ba14661f1610"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aad907b51c0be8ec01405ba14661f1610">ripple::test::csf::TrustGraph::trustedPeers</a></div><div class="ttdeci">auto trustedPeers(Peer const &a) const</div><div class="ttdoc">Range over trusted peers.</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00103">TrustGraph.h:103</a></div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1TrustGraph_html_a9935822bec9848cc44423d264407ff46"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">ripple::test::csf::TrustGraph::graph_</a></div><div class="ttdeci">Graph graph_</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00047">TrustGraph.h:47</a></div></div>
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<div class="ttc" id="abegin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a></div><div class="ttdeci">T begin(T... args)</div></div>
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<div class="ttc" id="acount_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/count.html">std::count_if</a></div><div class="ttdeci">T count_if(T... args)</div></div>
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<div class="ttc" id="aend_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a></div><div class="ttdeci">T end(T... args)</div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1TrustGraph_html_a96ee13c05cdec0745818f87c553e7bb4"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a96ee13c05cdec0745818f87c553e7bb4">ripple::test::csf::TrustGraph::canFork</a></div><div class="ttdeci">bool canFork(double quorum) const</div><div class="ttdoc">Check whether this trust graph satisfies the whitepaper no-forking condition.</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00167">TrustGraph.h:167</a></div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1Digraph_html_af5178dc42903feb3893fbf50cb895d0e"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1Digraph.html#af5178dc42903feb3893fbf50cb895d0e">ripple::test::csf::Digraph::connect</a></div><div class="ttdeci">bool connect(Vertex source, Vertex target, EdgeData e)</div><div class="ttdoc">Connect two vertices.</div><div class="ttdef"><b>Definition:</b> <a href="Digraph_8h_source.html#l00074">Digraph.h:74</a></div></div>
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<div class="ttc" id="anumeric_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/numeric.html">numeric</a></div></div>
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<div class="ttc" id="amax_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a></div><div class="ttdeci">T max(T... args)</div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1TrustGraph_html_ac3e3fd5bec7f64df6fa53946c7c0af86"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1TrustGraph.html#ac3e3fd5bec7f64df6fa53946c7c0af86">ripple::test::csf::TrustGraph::trusts</a></div><div class="ttdeci">bool trusts(Peer const &from, Peer const &to) const</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00091">TrustGraph.h:91</a></div></div>
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<div class="ttc" id="astructripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo_html_a3a492f56716a3d0fa5eddfa2b5f086e9"><div class="ttname"><a href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#a3a492f56716a3d0fa5eddfa2b5f086e9">ripple::test::csf::TrustGraph::ForkInfo::required</a></div><div class="ttdeci">double required</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00115">TrustGraph.h:115</a></div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1Digraph_html_a376b9c22f02e21c62e78c4e9ab5f81b7"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1Digraph.html#a376b9c22f02e21c62e78c4e9ab5f81b7">ripple::test::csf::Digraph::connected</a></div><div class="ttdeci">bool connected(Vertex source, Vertex target) const</div><div class="ttdoc">Check if two vertices are connected.</div><div class="ttdef"><b>Definition:</b> <a href="Digraph_8h_source.html#l00138">Digraph.h:138</a></div></div>
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<div class="ttc" id="astructripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo_html_ab069cc87e5df4f9c9f2a53fc34d48d4a"><div class="ttname"><a href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#ab069cc87e5df4f9c9f2a53fc34d48d4a">ripple::test::csf::TrustGraph::ForkInfo::overlap</a></div><div class="ttdeci">int overlap</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00114">TrustGraph.h:114</a></div></div>
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<div class="ttc" id="aset_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/set.html">std::set</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1TrustGraph_html_aece24fb715be8173bdf87d4ea29a6622"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aece24fb715be8173bdf87d4ea29a6622">ripple::test::csf::TrustGraph::forkablePairs</a></div><div class="ttdeci">std::vector< ForkInfo > forkablePairs(double quorum) const</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00120">TrustGraph.h:120</a></div></div>
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<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1TrustGraph_html_a572638b4bfe5902f794939510f6ddb5f"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a572638b4bfe5902f794939510f6ddb5f">ripple::test::csf::TrustGraph::graph</a></div><div class="ttdeci">Graph const & graph()</div><div class="ttdef"><b>Definition:</b> <a href="TrustGraph_8h_source.html#l00055">TrustGraph.h:55</a></div></div>
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