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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="headertitle"><div class="title">TrustGraph.h</div></div>
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<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">/*</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> Copyright (c) 2012-2017 Ripple Labs Inc</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"></span> </div>
<div class="line"><a id="l00006" 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>
<div class="line"><a id="l00007" 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>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"></span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a id="l00012" 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>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a id="l00014" 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>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">*/</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment">//==============================================================================</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#ifndef RIPPLE_TEST_CSF_UNL_H_INCLUDED</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#define RIPPLE_TEST_CSF_UNL_H_INCLUDED</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include &lt;test/csf/random.h&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &lt;boost/container/flat_set.hpp&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/chrono.html">chrono</a>&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/numeric.html">numeric</a>&gt;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/random.html">random</a>&gt;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/vector.html">vector</a>&gt;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">namespace </span>test {</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="keyword">namespace </span>csf {</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Peer&gt;</div>
<div class="foldopen" id="foldopen00044" data-start="{" data-end="};">
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html"> 44</a></span><span class="keyword">class </span><a class="code hl_class" href="classripple_1_1test_1_1csf_1_1TrustGraph.html">TrustGraph</a></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>{</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a6d0bed131c660889ce5db2c2f3049abb"> 46</a></span> <span class="keyword">using </span><a class="code hl_class" href="classripple_1_1test_1_1csf_1_1Digraph.html">Graph</a> = <a class="code hl_class" href="classripple_1_1test_1_1csf_1_1Digraph.html">Digraph&lt;Peer&gt;</a>;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46"> 48</a></span> <a class="code hl_class" href="classripple_1_1test_1_1csf_1_1Digraph.html">Graph</a> <a class="code hl_variable" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#ad71fd7d9762e7c9b25ef2f27514afd9f"> 53</a></span> <a class="code hl_function" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#ad71fd7d9762e7c9b25ef2f27514afd9f">TrustGraph</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <a class="code hl_class" href="classripple_1_1test_1_1csf_1_1Digraph.html">Graph</a> <span class="keyword">const</span>&amp;</div>
<div class="foldopen" id="foldopen00056" data-start="{" data-end="}">
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a29526ed9d7881aa91e24c39598a040c5"> 56</a></span> <a class="code hl_function" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a29526ed9d7881aa91e24c39598a040c5">graph</a>()</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> {</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> }</div>
</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00071" data-start="{" data-end="}">
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a14d024e2797abc8edd0557303ee95bca"> 71</a></span> <a class="code hl_function" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a14d024e2797abc8edd0557303ee95bca">trust</a>(<a class="code hl_struct" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>&amp; from, <a class="code hl_struct" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>&amp; to)</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> {</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <a class="code hl_variable" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>.<a class="code hl_function" href="classripple_1_1test_1_1csf_1_1Digraph.html#af5178dc42903feb3893fbf50cb895d0e">connect</a>(from, to);</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> }</div>
</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00085" data-start="{" data-end="}">
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aa38b4418af13e5f45dd8d44a1a64afe7"> 85</a></span> <a class="code hl_function" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aa38b4418af13e5f45dd8d44a1a64afe7">untrust</a>(<a class="code hl_struct" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>&amp; from, <a class="code hl_struct" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>&amp; to)</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> {</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <a class="code hl_variable" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>.<a class="code hl_function" href="classripple_1_1test_1_1csf_1_1Digraph.html#af3f8670228239a8a556cc8cb603d043d">disconnect</a>(from, to);</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> }</div>
</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="comment">//&lt; Whether from trusts to</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00092" data-start="{" data-end="}">
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#ac3e3fd5bec7f64df6fa53946c7c0af86"> 92</a></span> <a class="code hl_function" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#ac3e3fd5bec7f64df6fa53946c7c0af86">trusts</a>(<a class="code hl_struct" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>&amp; from, <a class="code hl_struct" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>&amp; to)<span class="keyword"> const</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>.<a class="code hl_function" href="classripple_1_1test_1_1csf_1_1Digraph.html#a376b9c22f02e21c62e78c4e9ab5f81b7">connected</a>(from, to);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> }</div>
</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">auto</span></div>
<div class="foldopen" id="foldopen00104" data-start="{" data-end="}">
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aad907b51c0be8ec01405ba14661f1610"> 104</a></span> <a class="code hl_function" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aad907b51c0be8ec01405ba14661f1610">trustedPeers</a>(<a class="code hl_struct" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span>&amp; a)<span class="keyword"> const</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>.<a class="code hl_function" href="classripple_1_1test_1_1csf_1_1Digraph.html#a4eb88a3a85abfd45f454a43efc40b234">outVertices</a>(a);</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> }</div>
</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="foldopen" id="foldopen00111" data-start="{" data-end="};">
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"><a class="line" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html"> 111</a></span> <span class="keyword">struct </span><a class="code hl_struct" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html">ForkInfo</a></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> {</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"><a class="line" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#af845c2f4a57962ec6d77a0697ffc0100"> 113</a></span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/set.html">std::set&lt;Peer&gt;</a> <a class="code hl_variable" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#af845c2f4a57962ec6d77a0697ffc0100">unlA</a>;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"><a class="line" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#a415519523887b3d608c1a47f172e59e5"> 114</a></span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/set.html">std::set&lt;Peer&gt;</a> <a class="code hl_variable" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#a415519523887b3d608c1a47f172e59e5">unlB</a>;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"><a class="line" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#ab069cc87e5df4f9c9f2a53fc34d48d4a"> 115</a></span> <span class="keywordtype">int</span> <a class="code hl_variable" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#ab069cc87e5df4f9c9f2a53fc34d48d4a">overlap</a>;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"><a class="line" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#a3a492f56716a3d0fa5eddfa2b5f086e9"> 116</a></span> <span class="keywordtype">double</span> <a class="code hl_variable" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html#a3a492f56716a3d0fa5eddfa2b5f086e9">required</a>;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> };</div>
</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="comment">//&lt; Return nodes that fail the white-paper no-forking condition</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;ForkInfo&gt;</a></div>
<div class="foldopen" id="foldopen00121" data-start="{" data-end="}">
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aab681d31dc9189cf295d1b5c93ad52d9"> 121</a></span> <a class="code hl_function" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aab681d31dc9189cf295d1b5c93ad52d9">forkablePairs</a>(<span class="keywordtype">double</span> quorum)<span class="keyword"> const</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="comment">// Check the forking condition by looking at intersection</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="comment">// of UNL between all pairs of nodes.</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="comment">// TODO: Use the improved bound instead of the whitepaper bound.</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keyword">using </span>UNL = <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/set.html">std::set&lt;Peer&gt;</a>;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/set.html">std::set&lt;UNL&gt;</a> unique;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">for</span> (<a class="code hl_struct" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> <span class="keyword">const</span> peer : <a class="code hl_variable" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a9935822bec9848cc44423d264407ff46">graph_</a>.<a class="code hl_function" href="classripple_1_1test_1_1csf_1_1Digraph.html#a4eb88a3a85abfd45f454a43efc40b234">outVertices</a>())</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> {</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> unique.emplace(</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a>(<a class="code hl_function" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aad907b51c0be8ec01405ba14661f1610">trustedPeers</a>(peer)), <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(<a class="code hl_function" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aad907b51c0be8ec01405ba14661f1610">trustedPeers</a>(peer)));</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> }</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;UNL&gt;</a> uniqueUNLs(unique.begin(), unique.end());</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;ForkInfo&gt;</a> res;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// Loop over all pairs of uniqueUNLs</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; uniqueUNLs.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>(); ++i)</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> {</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = (i + 1); j &lt; uniqueUNLs.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>(); ++j)</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> {</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; unlA = uniqueUNLs[i];</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; unlB = uniqueUNLs[j];</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordtype">double</span> rhs =</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> 2.0 * (1. - quorum) * <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(unlA.size(), unlB.size());</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keywordtype">int</span> intersectionSize =</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/count.html">std::count_if</a>(unlA.begin(), unlA.end(), [&amp;](<a class="code hl_struct" href="structripple_1_1test_1_1csf_1_1Peer.html">Peer</a> p) {</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> return unlB.find(p) != unlB.end();</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> });</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">if</span> (intersectionSize &lt; rhs)</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> {</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> res.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/emplace_back.html">emplace_back</a>(</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <a class="code hl_struct" href="structripple_1_1test_1_1csf_1_1TrustGraph_1_1ForkInfo.html">ForkInfo</a>{unlA, unlB, intersectionSize, rhs});</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> }</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> }</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> }</div>
</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00168" data-start="{" data-end="}">
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a96ee13c05cdec0745818f87c553e7bb4"> 168</a></span> <a class="code hl_function" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a96ee13c05cdec0745818f87c553e7bb4">canFork</a>(<span class="keywordtype">double</span> quorum)<span class="keyword"> const</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">return</span> !<a class="code hl_function" href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aab681d31dc9189cf295d1b5c93ad52d9">forkablePairs</a>(quorum).empty();</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> }</div>
</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span>};</div>
</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span>} <span class="comment">// namespace csf</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span>} <span class="comment">// namespace test</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span>} <span class="comment">// namespace ripple</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> </div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span><span class="preprocessor">#endif</span></div>
<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>
<div class="ttc" id="achrono_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/chrono.html">chrono</a></div></div>
<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&lt; Peer &gt;</a></div></div>
<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>
<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>
<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>
<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>
<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#l00044">TrustGraph.h:45</a></div></div>
<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 &amp;from, Peer const &amp;to)</div><div class="ttdoc">Create trust.</div><div class="ttdef"><b>Definition</b> <a href="TrustGraph_8h_source.html#l00071">TrustGraph.h:71</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1TrustGraph_html_a29526ed9d7881aa91e24c39598a040c5"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1TrustGraph.html#a29526ed9d7881aa91e24c39598a040c5">ripple::test::csf::TrustGraph::graph</a></div><div class="ttdeci">Graph const &amp; graph()</div><div class="ttdef"><b>Definition</b> <a href="TrustGraph_8h_source.html#l00056">TrustGraph.h:56</a></div></div>
<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#l00168">TrustGraph.h:168</a></div></div>
<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#l00048">TrustGraph.h:48</a></div></div>
<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 &amp;from, Peer const &amp;to)</div><div class="ttdoc">Remove trust.</div><div class="ttdef"><b>Definition</b> <a href="TrustGraph_8h_source.html#l00085">TrustGraph.h:85</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1csf_1_1TrustGraph_html_aab681d31dc9189cf295d1b5c93ad52d9"><div class="ttname"><a href="classripple_1_1test_1_1csf_1_1TrustGraph.html#aab681d31dc9189cf295d1b5c93ad52d9">ripple::test::csf::TrustGraph::forkablePairs</a></div><div class="ttdeci">std::vector&lt; ForkInfo &gt; forkablePairs(double quorum) const</div><div class="ttdef"><b>Definition</b> <a href="TrustGraph_8h_source.html#l00121">TrustGraph.h:121</a></div></div>
<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 &amp;a) const</div><div class="ttdoc">Range over trusted peers.</div><div class="ttdef"><b>Definition</b> <a href="TrustGraph_8h_source.html#l00104">TrustGraph.h:104</a></div></div>
<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 &amp;from, Peer const &amp;to) const</div><div class="ttdef"><b>Definition</b> <a href="TrustGraph_8h_source.html#l00092">TrustGraph.h:92</a></div></div>
<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>
<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>
<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>
<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>
<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>
<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="algorithm_8h_source.html#l00025">algorithm.h:25</a></div></div>
<div class="ttc" id="anumeric_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/numeric.html">numeric</a></div></div>
<div class="ttc" id="arandom_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/random.html">random</a></div></div>
<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>
<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>
<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#l00059">test/csf/Peer.h:60</a></div></div>
<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#l00111">TrustGraph.h:112</a></div></div>
<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#l00116">TrustGraph.h:116</a></div></div>
<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&lt; Peer &gt; unlB</div><div class="ttdef"><b>Definition</b> <a href="TrustGraph_8h_source.html#l00114">TrustGraph.h:114</a></div></div>
<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#l00115">TrustGraph.h:115</a></div></div>
<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&lt; Peer &gt; unlA</div><div class="ttdef"><b>Definition</b> <a href="TrustGraph_8h_source.html#l00113">TrustGraph.h:113</a></div></div>
<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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