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<li class="navelem"><a class="el" href="dir_90ffdbabf412cfdffe6b2193e0ce938a.html">libxrpl</a></li><li class="navelem"><a class="el" href="dir_4cb643486f27a568a0d40f174f670f35.html">protocol</a></li> </ul>
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<div class="headertitle"><div class="title">Feature.cpp</div></div>
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<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, 2013 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">#include &lt;xrpl/basics/Slice.h&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;xrpl/basics/base_uint.h&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;xrpl/basics/contract.h&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include &lt;xrpl/beast/utility/instrumentation.h&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include &lt;xrpl/protocol/Feature.h&gt;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &lt;xrpl/protocol/digest.h&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;boost/container_hash/hash.hpp&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include &lt;boost/multi_index/hashed_index.hpp&gt;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include &lt;boost/multi_index/indexed_by.hpp&gt;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include &lt;boost/multi_index/member.hpp&gt;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include &lt;boost/multi_index/random_access_index.hpp&gt;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include &lt;boost/multi_index/tag.hpp&gt;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include &lt;boost/multi_index_container.hpp&gt;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/atomic.html">atomic</a>&gt;</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cstddef.html">cstddef</a>&gt;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/map.html">map</a>&gt;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a>&gt;</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/string.html">string</a>&gt;</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">inline</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"><a class="line" href="namespaceripple.html#a7f497dcb1c3e98dd745e3278eafc5342"> 44</a></span><a class="code hl_function" href="namespaceripple.html#a7f497dcb1c3e98dd745e3278eafc5342">hash_value</a>(<a class="code hl_class" href="classripple_1_1base__uint.html">ripple::uint256</a> <span class="keyword">const</span>&amp; feature)</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"> 46</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> seed = 0;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">using namespace </span><a class="code hl_namespace" href="namespaceboost.html">boost</a>;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; n : feature)</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> hash_combine(seed, n);</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">return</span> seed;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span>}</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="keyword">namespace </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><span class="keyword">enum class</span> <a class="code hl_enumvalue" href="namespaceripple.html#a3330933c50c449b7830586d1450da8f5aeaa4dc5078017a5c5bebf383ab6f5124">Supported</a> : <span class="keywordtype">bool</span> { <a class="code hl_enumvalue" href="namespaceripple.html#a786c40cb27211e1704047accb2ca26bda1e5e1f9aa3cae812e41b2cf743bcfec0">no</a> = <span class="keyword">false</span>, <a class="code hl_enumvalue" href="namespaceripple.html#a786c40cb27211e1704047accb2ca26bda1f50dcfdaa21158935cd0b5ea204fa2b">yes</a> };</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="comment">// *NOTE*</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="comment">//</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="comment">// Features, or Amendments as they are called elsewhere, are enabled on the</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="comment">// network at some specific time based on Validator voting. Features are</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="comment">// enabled using run-time conditionals based on the state of the amendment.</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="comment">// There is value in retaining that conditional code for some time after</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="comment">// the amendment is enabled to make it simple to replay old transactions.</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="comment">// However, once an amendment has been enabled for, say, more than two years</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="comment">// then retaining that conditional code has less value since it is</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="comment">// uncommon to replay such old transactions.</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span><span class="comment">//</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span><span class="comment">// Starting in January of 2020 Amendment conditionals from before January</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="comment">// 2018 are being removed. So replaying any ledger from before January</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span><span class="comment">// 2018 needs to happen on an older version of the server code. There&#39;s</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="comment">// a log message in Application.cpp that warns about replaying old ledgers.</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="comment">//</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="comment">// At some point in the future someone may wish to remove amendment</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="comment">// conditional code for amendments that were enabled after January 2018.</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="comment">// When that happens then the log message in Application.cpp should be</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="comment">// updated.</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="comment">//</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="comment">// Generally, amendments which introduce new features should be set as</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="comment">// &quot;VoteBehavior::DefaultNo&quot; whereas in rare cases, amendments that fix</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="comment">// critical bugs should be set as &quot;VoteBehavior::DefaultYes&quot;, if off-chain</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="comment">// consensus is reached amongst reviewers, validator operators, and other</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="comment">// participants.</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="keyword">class </span>FeatureCollections</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span>{</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">struct </span>Feature</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> {</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> name;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a> feature;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> Feature() = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">explicit</span> Feature(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; name_, <a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a> <span class="keyword">const</span>&amp; feature_)</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> : name(name_), feature(feature_)</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> {</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> }</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="comment">// These structs are used by the `features` multi_index_container to</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="comment">// provide access to the features collection by size_t index, string</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="comment">// name, and uint256 feature identifier</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">struct </span>byIndex</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> {</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> };</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">struct </span>byName</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> {</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> };</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">struct </span>byFeature</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> {</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> };</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> };</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// Intermediate types to help with readability</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> tag, <span class="keyword">typename</span> Type, Type Feature::*PtrToMember&gt;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">using </span>feature_hashed_unique = boost::multi_index::hashed_unique&lt;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> boost::multi_index::tag&lt;tag&gt;,</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> boost::multi_index::member&lt;Feature, Type, PtrToMember&gt;&gt;;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// Intermediate types to help with readability</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">using </span>feature_indexing = boost::multi_index::indexed_by&lt;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> boost::multi_index::random_access&lt;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> boost::multi_index::tag&lt;Feature::byIndex&gt;&gt;,</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> feature_hashed_unique&lt;Feature::byFeature, uint256, &amp;Feature::feature&gt;,</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> feature_hashed_unique&lt;Feature::byName, std::string, &amp;Feature::name&gt;&gt;;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="comment">// This multi_index_container provides access to the features collection by</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// name, index, and uint256 feature identifier</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> boost::multi_index::multi_index_container&lt;Feature, feature_indexing&gt;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> features;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map&lt;std::string, AmendmentSupport&gt;</a> all;</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/map.html">std::map&lt;std::string, VoteBehavior&gt;</a> supported;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> upVotes = 0;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> downVotes = 0;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keyword">mutable</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/atomic/atomic.html">std::atomic&lt;bool&gt;</a> readOnly = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// These helper functions provide access to the features collection by name,</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// index, and uint256 feature identifier, so the details of</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// multi_index_container can be hidden</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> Feature <span class="keyword">const</span>&amp;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> getByIndex(<span class="keywordtype">size_t</span> i)<span class="keyword"> const</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">if</span> (i &gt;= features.size())</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Invalid FeatureBitset index&quot;</span>);</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; sequence = features.get&lt;Feature::byIndex&gt;();</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">return</span> sequence[i];</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> }</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordtype">size_t</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> getIndex(Feature <span class="keyword">const</span>&amp; feature)<span class="keyword"> const</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; sequence = features.get&lt;Feature::byIndex&gt;();</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keyword">auto</span> <span class="keyword">const</span> it_to = sequence.iterator_to(feature);</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">return</span> it_to - sequence.begin();</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> }</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> Feature <span class="keyword">const</span>*</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> getByFeature(<a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a> <span class="keyword">const</span>&amp; feature)<span class="keyword"> const</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; feature_index = features.get&lt;Feature::byFeature&gt;();</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">auto</span> <span class="keyword">const</span> feature_it = feature_index.find(feature);</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordflow">return</span> feature_it == feature_index.end() ? nullptr : &amp;*feature_it;</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> Feature <span class="keyword">const</span>*</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> getByName(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; name)<span class="keyword"> const</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; name_index = features.get&lt;Feature::byName&gt;();</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">auto</span> <span class="keyword">const</span> name_it = name_index.find(name);</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">return</span> name_it == name_index.end() ? nullptr : &amp;*name_it;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> }</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> FeatureCollections();</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;uint256&gt;</a></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <a class="code hl_function" href="namespaceripple.html#aa3339c924836be74a553eb0fd5966a3c">getRegisteredFeature</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; name) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <a class="code hl_function" href="namespaceripple.html#a409262339843a2785f29845c7ec5c7f9">registerFeature</a>(</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; name,</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <a class="code hl_enumvalue" href="namespaceripple.html#a3330933c50c449b7830586d1450da8f5aeaa4dc5078017a5c5bebf383ab6f5124">Supported</a> support,</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <a class="code hl_enumeration" href="namespaceripple.html#aa5778f9faa15e3677dcda7975d9db7c6">VoteBehavior</a> vote);</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordtype">bool</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <a class="code hl_function" href="namespaceripple.html#ac52a0eb5ca3e6aec7bc695eb44ed1ab8">registrationIsDone</a>();</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> </div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <a class="code hl_function" href="namespaceripple.html#a7829716dab9950c88863168cc8731870">featureToBitsetIndex</a>(<a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a> <span class="keyword">const</span>&amp; f) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a> <span class="keyword">const</span>&amp;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <a class="code hl_function" href="namespaceripple.html#a28da871aa8d28d28a444e1b3885065cf">bitsetIndexToFeature</a>(<span class="keywordtype">size_t</span> i) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <a class="code hl_function" href="namespaceripple.html#aa00e870074854cb15cc1d91427e47bec">featureToName</a>(<a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a> <span class="keyword">const</span>&amp; f) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map&lt;std::string, AmendmentSupport&gt;</a> <span class="keyword">const</span>&amp;</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <a class="code hl_function" href="namespaceripple.html#a7bd0d2a0e51e2826e5e588e30886f204">allAmendments</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordflow">return</span> all;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> }</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map&lt;std::string, VoteBehavior&gt;</a> <span class="keyword">const</span>&amp;</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <a class="code hl_function" href="namespaceripple_1_1detail.html#aa306c03c39352f8b30c6fbde3fe972f3">supportedAmendments</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">return</span> supported;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> }</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <a class="code hl_function" href="namespaceripple_1_1detail.html#a907b165d0a3ebb3ce0a2f1c64c50e107">numDownVotedAmendments</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keywordflow">return</span> downVotes;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> }</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <a class="code hl_function" href="namespaceripple_1_1detail.html#a48573a366f17fd2a6294905c3cb4a29e">numUpVotedAmendments</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keywordflow">return</span> upVotes;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> }</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span>};</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span>FeatureCollections::FeatureCollections()</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span>{</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> features.reserve(<a class="code hl_variable" href="namespaceripple_1_1detail.html#a21f3cf18de89d49823e064f09526cb5f">ripple::detail::numFeatures</a>);</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span>}</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;uint256&gt;</a></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span>FeatureCollections::getRegisteredFeature(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; name)<span class="keyword"> const</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> readOnly.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">load</a>(),</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="stringliteral">&quot;ripple::FeatureCollections::getRegisteredFeature : startup completed&quot;</span>);</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> Feature <span class="keyword">const</span>* feature = getByName(name);</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="keywordflow">if</span> (feature)</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keywordflow">return</span> feature-&gt;feature;</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span>}</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span><a class="code hl_function" href="namespaceJson.html#af3b5e4579dafe6a4a496663e541bfebc">check</a>(<span class="keywordtype">bool</span> condition, <span class="keywordtype">char</span> <span class="keyword">const</span>* logicErrorMessage)</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span>{</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">if</span> (!condition)</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(logicErrorMessage);</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span>}</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span><a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span>FeatureCollections::registerFeature(</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; name,</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <a class="code hl_enumvalue" href="namespaceripple.html#a3330933c50c449b7830586d1450da8f5aeaa4dc5078017a5c5bebf383ab6f5124">Supported</a> support,</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <a class="code hl_enumeration" href="namespaceripple.html#aa5778f9faa15e3677dcda7975d9db7c6">VoteBehavior</a> vote)</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span>{</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <a class="code hl_function" href="namespaceJson.html#af3b5e4579dafe6a4a496663e541bfebc">check</a>(!readOnly, <span class="stringliteral">&quot;Attempting to register a feature after startup.&quot;</span>);</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <a class="code hl_function" href="namespaceJson.html#af3b5e4579dafe6a4a496663e541bfebc">check</a>(</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> support == Supported::yes || vote == <a class="code hl_enumvalue" href="namespaceripple.html#aa5778f9faa15e3677dcda7975d9db7c6a3fcbd083035206240ef4d4488ac18498">VoteBehavior::DefaultNo</a>,</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <span class="stringliteral">&quot;Invalid feature parameters. Must be supported to be up-voted.&quot;</span>);</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> Feature <span class="keyword">const</span>* i = getByName(name);</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="keywordflow">if</span> (!i)</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> {</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <a class="code hl_function" href="namespaceJson.html#af3b5e4579dafe6a4a496663e541bfebc">check</a>(</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> features.size() &lt; <a class="code hl_variable" href="namespaceripple_1_1detail.html#a21f3cf18de89d49823e064f09526cb5f">detail::numFeatures</a>,</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="stringliteral">&quot;More features defined than allocated.&quot;</span>);</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> </div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keyword">auto</span> <span class="keyword">const</span> f = <a class="code hl_function" href="namespaceripple.html#ae3f5bc352766a1a8dbf5270eb7dbc2e7">sha512Half</a>(Slice(name.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/data.html">data</a>(), name.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">size</a>()));</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> </div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> features.emplace_back(name, f);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> </div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keyword">auto</span> <span class="keyword">const</span> getAmendmentSupport = [=]() {</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">if</span> (vote == <a class="code hl_enumvalue" href="namespaceripple.html#aa5778f9faa15e3677dcda7975d9db7c6aec30c235d0eb792797af1aa1d11759a7">VoteBehavior::Obsolete</a>)</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#a3330933c50c449b7830586d1450da8f5ad109ac74df282488efd1dd7621a847d2">AmendmentSupport::Retired</a>;</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keywordflow">return</span> support == Supported::yes ? <a class="code hl_enumvalue" href="namespaceripple.html#a3330933c50c449b7830586d1450da8f5aeaa4dc5078017a5c5bebf383ab6f5124">AmendmentSupport::Supported</a></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> : <a class="code hl_enumvalue" href="namespaceripple.html#a3330933c50c449b7830586d1450da8f5ab4080bdf74febf04d578ff105cce9d3f">AmendmentSupport::Unsupported</a>;</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> };</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <a class="code hl_enumvalue" href="namespaceripple.html#a7ffb3f54d739bb8f967d695f08fb66ccaa181a603769c1f98ad927e7367c7aa51">all</a>.emplace(name, getAmendmentSupport());</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keywordflow">if</span> (support == Supported::yes)</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> {</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> supported.emplace(name, vote);</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> </div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="keywordflow">if</span> (vote == <a class="code hl_enumvalue" href="namespaceripple.html#aa5778f9faa15e3677dcda7975d9db7c6a7edd41da231424c2a5df0cffd15af6bf">VoteBehavior::DefaultYes</a>)</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> ++upVotes;</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> ++downVotes;</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> }</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <a class="code hl_function" href="namespaceJson.html#af3b5e4579dafe6a4a496663e541bfebc">check</a>(</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> upVotes + downVotes == supported.size(),</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="stringliteral">&quot;Feature counting logic broke&quot;</span>);</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <a class="code hl_function" href="namespaceJson.html#af3b5e4579dafe6a4a496663e541bfebc">check</a>(</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> supported.size() &lt;= features.size(),</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="stringliteral">&quot;More supported features than defined features&quot;</span>);</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <a class="code hl_function" href="namespaceJson.html#af3b5e4579dafe6a4a496663e541bfebc">check</a>(</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> features.size() == <a class="code hl_enumvalue" href="namespaceripple.html#a7ffb3f54d739bb8f967d695f08fb66ccaa181a603769c1f98ad927e7367c7aa51">all</a>.size(),</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="stringliteral">&quot;The &#39;all&#39; features list is populated incorrectly&quot;</span>);</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordflow">return</span> f;</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> }</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="comment">// Each feature should only be registered once</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Duplicate feature registration&quot;</span>);</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span>}</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> </div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span><span class="keywordtype">bool</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span>FeatureCollections::registrationIsDone()</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span>{</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> readOnly = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span>}</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> </div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span><span class="keywordtype">size_t</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span>FeatureCollections::featureToBitsetIndex(<a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a> <span class="keyword">const</span>&amp; f)<span class="keyword"> const</span></div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> readOnly.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">load</a>(),</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="stringliteral">&quot;ripple::FeatureCollections::featureToBitsetIndex : startup completed&quot;</span>);</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> </div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> Feature <span class="keyword">const</span>* feature = getByFeature(f);</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <span class="keywordflow">if</span> (!feature)</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Invalid Feature ID&quot;</span>);</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> </div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <span class="keywordflow">return</span> getIndex(*feature);</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span>}</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> </div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span><a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a> <span class="keyword">const</span>&amp;</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span>FeatureCollections::bitsetIndexToFeature(<span class="keywordtype">size_t</span> i)<span class="keyword"> const</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> readOnly.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">load</a>(),</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> <span class="stringliteral">&quot;ripple::FeatureCollections::bitsetIndexToFeature : startup completed&quot;</span>);</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> Feature <span class="keyword">const</span>&amp; feature = getByIndex(i);</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keywordflow">return</span> feature.feature;</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span>}</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> </div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span>FeatureCollections::featureToName(<a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a> <span class="keyword">const</span>&amp; f)<span class="keyword"> const</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> readOnly.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">load</a>(),</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="stringliteral">&quot;ripple::FeatureCollections::featureToName : startup completed&quot;</span>);</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> Feature <span class="keyword">const</span>* feature = getByFeature(f);</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="keywordflow">return</span> feature ? feature-&gt;name : <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(f);</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span>}</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> </div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span><span class="keyword">static</span> FeatureCollections featureCollections;</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> </div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span>} <span class="comment">// namespace</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> </div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map&lt;std::string, AmendmentSupport&gt;</a> <span class="keyword">const</span>&amp;</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"><a class="line" href="namespaceripple.html#a7bd0d2a0e51e2826e5e588e30886f204"> 351</a></span><a class="code hl_function" href="namespaceripple.html#a7bd0d2a0e51e2826e5e588e30886f204">allAmendments</a>()</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span>{</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <span class="keywordflow">return</span> featureCollections.allAmendments();</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span>}</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> </div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map&lt;std::string, VoteBehavior&gt;</a> <span class="keyword">const</span>&amp;</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"><a class="line" href="namespaceripple_1_1detail.html#aa306c03c39352f8b30c6fbde3fe972f3"> 360</a></span><a class="code hl_function" href="namespaceripple_1_1detail.html#aa306c03c39352f8b30c6fbde3fe972f3">detail::supportedAmendments</a>()</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span>{</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="keywordflow">return</span> featureCollections.supportedAmendments();</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span>}</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> </div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"><a class="line" href="namespaceripple_1_1detail.html#a907b165d0a3ebb3ce0a2f1c64c50e107"> 367</a></span><a class="code hl_function" href="namespaceripple_1_1detail.html#a907b165d0a3ebb3ce0a2f1c64c50e107">detail::numDownVotedAmendments</a>()</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span>{</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <span class="keywordflow">return</span> featureCollections.numDownVotedAmendments();</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span>}</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> </div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"><a class="line" href="namespaceripple_1_1detail.html#a48573a366f17fd2a6294905c3cb4a29e"> 374</a></span><a class="code hl_function" href="namespaceripple_1_1detail.html#a48573a366f17fd2a6294905c3cb4a29e">detail::numUpVotedAmendments</a>()</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span>{</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="keywordflow">return</span> featureCollections.numUpVotedAmendments();</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span>}</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> </div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> </div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;uint256&gt;</a></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"><a class="line" href="namespaceripple.html#aa3339c924836be74a553eb0fd5966a3c"> 382</a></span><a class="code hl_function" href="namespaceripple.html#aa3339c924836be74a553eb0fd5966a3c">getRegisteredFeature</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; name)</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span>{</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="keywordflow">return</span> featureCollections.getRegisteredFeature(name);</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span>}</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> </div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span><a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a></div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"><a class="line" href="namespaceripple.html#a409262339843a2785f29845c7ec5c7f9"> 388</a></span><a class="code hl_function" href="namespaceripple.html#a409262339843a2785f29845c7ec5c7f9">registerFeature</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; name, <a class="code hl_enumvalue" href="namespaceripple.html#a3330933c50c449b7830586d1450da8f5aeaa4dc5078017a5c5bebf383ab6f5124">Supported</a> support, <a class="code hl_enumeration" href="namespaceripple.html#aa5778f9faa15e3677dcda7975d9db7c6">VoteBehavior</a> vote)</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span>{</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="keywordflow">return</span> featureCollections.registerFeature(name, support, vote);</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span>}</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> </div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span><span class="comment">// Retired features are in the ledger and have no code controlled by the</span></div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span><span class="comment">// feature. They need to be supported, but do not need to be voted on.</span></div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span><a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a></div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"><a class="line" href="namespaceripple.html#a8c231e0a6ac493297e442e8e99af8037"> 396</a></span><a class="code hl_function" href="namespaceripple.html#a8c231e0a6ac493297e442e8e99af8037">retireFeature</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; name)</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span>{</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a409262339843a2785f29845c7ec5c7f9">registerFeature</a>(name, Supported::yes, <a class="code hl_enumvalue" href="namespaceripple.html#aa5778f9faa15e3677dcda7975d9db7c6aec30c235d0eb792797af1aa1d11759a7">VoteBehavior::Obsolete</a>);</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span>}</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> </div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span><span class="keywordtype">bool</span></div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"><a class="line" href="namespaceripple.html#ac52a0eb5ca3e6aec7bc695eb44ed1ab8"> 403</a></span><a class="code hl_function" href="namespaceripple.html#ac52a0eb5ca3e6aec7bc695eb44ed1ab8">registrationIsDone</a>()</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span>{</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="keywordflow">return</span> featureCollections.registrationIsDone();</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span>}</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> </div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span><span class="keywordtype">size_t</span></div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"><a class="line" href="namespaceripple.html#a7829716dab9950c88863168cc8731870"> 409</a></span><a class="code hl_function" href="namespaceripple.html#a7829716dab9950c88863168cc8731870">featureToBitsetIndex</a>(<a class="code hl_class" href="classripple_1_1base__uint.html">uint256</a> <span class="keyword">const</span>&amp; f)</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span>{</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="keywordflow">return</span> featureCollections.featureToBitsetIndex(f);</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span>}</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> </div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span><a class="code hl_typedef" href="namespaceripple.html#a356c68147333a9a48a344718038576d9">uint256</a></div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"><a class="line" href="namespaceripple.html#a28da871aa8d28d28a444e1b3885065cf"> 415</a></span><a class="code hl_function" href="namespaceripple.html#a28da871aa8d28d28a444e1b3885065cf">bitsetIndexToFeature</a>(<span class="keywordtype">size_t</span> i)</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span>{</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="keywordflow">return</span> featureCollections.bitsetIndexToFeature(i);</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span>}</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> </div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"><a class="line" href="namespaceripple.html#aa00e870074854cb15cc1d91427e47bec"> 421</a></span><a class="code hl_function" href="namespaceripple.html#aa00e870074854cb15cc1d91427e47bec">featureToName</a>(<a class="code hl_class" href="classripple_1_1base__uint.html">uint256</a> <span class="keyword">const</span>&amp; f)</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span>{</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="keywordflow">return</span> featureCollections.featureToName(f);</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span>}</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> </div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span><span class="comment">// All known amendments must be registered either here or below with the</span></div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span><span class="comment">// &quot;retired&quot; amendments</span></div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> </div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span><span class="preprocessor">#pragma push_macro(&quot;XRPL_FEATURE&quot;</span>)</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span><span class="preprocessor">#undef XRPL_FEATURE</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span><span class="preprocessor">#pragma push_macro(&quot;XRPL_FIX&quot;</span>)</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span><span class="preprocessor">#undef XRPL_FIX</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span><span class="preprocessor">#pragma push_macro(&quot;XRPL_RETIRE&quot;</span>)</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span><span class="preprocessor">#undef XRPL_RETIRE</span></div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> </div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span><span class="preprocessor">#define XRPL_FEATURE(name, supported, vote) \</span></div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span><span class="preprocessor"> uint256 const feature##name = registerFeature(#name, supported, vote);</span></div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span><span class="preprocessor">#define XRPL_FIX(name, supported, vote) \</span></div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span><span class="preprocessor"> uint256 const fix##name = registerFeature(&quot;fix&quot;</span> #name, supported, vote);</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> </div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span><span class="comment">// clang-format off</span></div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span><span class="preprocessor">#define XRPL_RETIRE(name) \</span></div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span><span class="preprocessor"> [[deprecated(&quot;The referenced amendment has been retired&quot;</span>)]] \</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> [[maybe_unused]] \</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> uint256 const retired##name = retireFeature(#name);</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span><span class="comment">// clang-format on</span></div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> </div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span><span class="preprocessor">#include &lt;xrpl/protocol/detail/features.macro&gt;</span></div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> </div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span><span class="preprocessor">#undef XRPL_RETIRE</span></div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span><span class="preprocessor">#pragma pop_macro(&quot;XRPL_RETIRE&quot;</span>)</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span><span class="preprocessor">#undef XRPL_FIX</span></div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span><span class="preprocessor">#pragma pop_macro(&quot;XRPL_FIX&quot;</span>)</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span><span class="preprocessor">#undef XRPL_FEATURE</span></div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span><span class="preprocessor">#pragma pop_macro(&quot;XRPL_FEATURE&quot;</span>)</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> </div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span><span class="comment">// All of the features should now be registered, since variables in a cpp file</span></div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span><span class="comment">// are initialized from top to bottom.</span></div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span><span class="comment">//</span></div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span><span class="comment">// Use initialization of one final static variable to set</span></div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span><span class="comment">// featureCollections::readOnly.</span></div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"><a class="line" href="namespaceripple.html#ae898d2883c4703f837647d90acd7c2d5"> 462</a></span>[[maybe_unused]] <span class="keyword">static</span> <span class="keywordtype">bool</span> <span class="keyword">const</span> <a class="code hl_variable" href="namespaceripple.html#ae898d2883c4703f837647d90acd7c2d5">readOnlySet</a> =</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> featureCollections.registrationIsDone();</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> </div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span>} <span class="comment">// namespace ripple</span></div>
<div class="ttc" id="aatomic_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/atomic.html">atomic</a></div></div>
<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div></div>
<div class="ttc" id="aclassripple_1_1base__uint_html"><div class="ttname"><a href="classripple_1_1base__uint.html">ripple::base_uint&lt; 256 &gt;</a></div></div>
<div class="ttc" id="acstddef_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cstddef.html">cstddef</a></div></div>
<div class="ttc" id="adata_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/data.html">std::string::data</a></div><div class="ttdeci">T data(T... args)</div></div>
<div class="ttc" id="aload_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">std::atomic::load</a></div><div class="ttdeci">T load(T... args)</div></div>
<div class="ttc" id="amap_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/map.html">map</a></div></div>
<div class="ttc" id="anamespaceJson_html_af3b5e4579dafe6a4a496663e541bfebc"><div class="ttname"><a href="namespaceJson.html#af3b5e4579dafe6a4a496663e541bfebc">Json::check</a></div><div class="ttdeci">void check(bool condition, std::string const &amp;message)</div><div class="ttdef"><b>Definition:</b> <a href="json_2Writer_8h_source.html#l00253">json/Writer.h:253</a></div></div>
<div class="ttc" id="anamespaceboost_html"><div class="ttname"><a href="namespaceboost.html">boost</a></div><div class="ttdef"><b>Definition:</b> <a href="IPAddress_8h_source.html#l00101">IPAddress.h:101</a></div></div>
<div class="ttc" id="anamespaceripple_1_1detail_html_a21f3cf18de89d49823e064f09526cb5f"><div class="ttname"><a href="namespaceripple_1_1detail.html#a21f3cf18de89d49823e064f09526cb5f">ripple::detail::numFeatures</a></div><div class="ttdeci">static constexpr std::size_t numFeatures</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8h_source.html#l00111">Feature.h:111</a></div></div>
<div class="ttc" id="anamespaceripple_1_1detail_html_a48573a366f17fd2a6294905c3cb4a29e"><div class="ttname"><a href="namespaceripple_1_1detail.html#a48573a366f17fd2a6294905c3cb4a29e">ripple::detail::numUpVotedAmendments</a></div><div class="ttdeci">std::size_t numUpVotedAmendments()</div><div class="ttdoc">Amendments that this server will vote for by default.</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00374">Feature.cpp:374</a></div></div>
<div class="ttc" id="anamespaceripple_1_1detail_html_a907b165d0a3ebb3ce0a2f1c64c50e107"><div class="ttname"><a href="namespaceripple_1_1detail.html#a907b165d0a3ebb3ce0a2f1c64c50e107">ripple::detail::numDownVotedAmendments</a></div><div class="ttdeci">std::size_t numDownVotedAmendments()</div><div class="ttdoc">Amendments that this server won't vote for by default.</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00367">Feature.cpp:367</a></div></div>
<div class="ttc" id="anamespaceripple_1_1detail_html_aa306c03c39352f8b30c6fbde3fe972f3"><div class="ttname"><a href="namespaceripple_1_1detail.html#aa306c03c39352f8b30c6fbde3fe972f3">ripple::detail::supportedAmendments</a></div><div class="ttdeci">std::map&lt; std::string, VoteBehavior &gt; const &amp; supportedAmendments()</div><div class="ttdoc">Amendments that this server supports and the default voting behavior.</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00360">Feature.cpp:360</a></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="anamespaceripple_html_a28da871aa8d28d28a444e1b3885065cf"><div class="ttname"><a href="namespaceripple.html#a28da871aa8d28d28a444e1b3885065cf">ripple::bitsetIndexToFeature</a></div><div class="ttdeci">uint256 bitsetIndexToFeature(size_t i)</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00415">Feature.cpp:415</a></div></div>
<div class="ttc" id="anamespaceripple_html_a3330933c50c449b7830586d1450da8f5ab4080bdf74febf04d578ff105cce9d3f"><div class="ttname"><a href="namespaceripple.html#a3330933c50c449b7830586d1450da8f5ab4080bdf74febf04d578ff105cce9d3f">ripple::AmendmentSupport::Unsupported</a></div><div class="ttdeci">@ Unsupported</div></div>
<div class="ttc" id="anamespaceripple_html_a3330933c50c449b7830586d1450da8f5ad109ac74df282488efd1dd7621a847d2"><div class="ttname"><a href="namespaceripple.html#a3330933c50c449b7830586d1450da8f5ad109ac74df282488efd1dd7621a847d2">ripple::AmendmentSupport::Retired</a></div><div class="ttdeci">@ Retired</div></div>
<div class="ttc" id="anamespaceripple_html_a3330933c50c449b7830586d1450da8f5aeaa4dc5078017a5c5bebf383ab6f5124"><div class="ttname"><a href="namespaceripple.html#a3330933c50c449b7830586d1450da8f5aeaa4dc5078017a5c5bebf383ab6f5124">ripple::AmendmentSupport::Supported</a></div><div class="ttdeci">@ Supported</div></div>
<div class="ttc" id="anamespaceripple_html_a356c68147333a9a48a344718038576d9"><div class="ttname"><a href="namespaceripple.html#a356c68147333a9a48a344718038576d9">ripple::uint256</a></div><div class="ttdeci">base_uint&lt; 256 &gt; uint256</div><div class="ttdef"><b>Definition:</b> <a href="base__uint_8h_source.html#l00558">base_uint.h:558</a></div></div>
<div class="ttc" id="anamespaceripple_html_a409262339843a2785f29845c7ec5c7f9"><div class="ttname"><a href="namespaceripple.html#a409262339843a2785f29845c7ec5c7f9">ripple::registerFeature</a></div><div class="ttdeci">uint256 registerFeature(std::string const &amp;name, Supported support, VoteBehavior vote)</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00388">Feature.cpp:388</a></div></div>
<div class="ttc" id="anamespaceripple_html_a7829716dab9950c88863168cc8731870"><div class="ttname"><a href="namespaceripple.html#a7829716dab9950c88863168cc8731870">ripple::featureToBitsetIndex</a></div><div class="ttdeci">size_t featureToBitsetIndex(uint256 const &amp;f)</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00409">Feature.cpp:409</a></div></div>
<div class="ttc" id="anamespaceripple_html_a786c40cb27211e1704047accb2ca26bda1e5e1f9aa3cae812e41b2cf743bcfec0"><div class="ttname"><a href="namespaceripple.html#a786c40cb27211e1704047accb2ca26bda1e5e1f9aa3cae812e41b2cf743bcfec0">ripple::no</a></div><div class="ttdeci">@ no</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00045">Steps.h:45</a></div></div>
<div class="ttc" id="anamespaceripple_html_a786c40cb27211e1704047accb2ca26bda1f50dcfdaa21158935cd0b5ea204fa2b"><div class="ttname"><a href="namespaceripple.html#a786c40cb27211e1704047accb2ca26bda1f50dcfdaa21158935cd0b5ea204fa2b">ripple::yes</a></div><div class="ttdeci">@ yes</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00045">Steps.h:45</a></div></div>
<div class="ttc" id="anamespaceripple_html_a7bd0d2a0e51e2826e5e588e30886f204"><div class="ttname"><a href="namespaceripple.html#a7bd0d2a0e51e2826e5e588e30886f204">ripple::allAmendments</a></div><div class="ttdeci">std::map&lt; std::string, AmendmentSupport &gt; const &amp; allAmendments()</div><div class="ttdoc">All amendments libxrpl knows about.</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00351">Feature.cpp:351</a></div></div>
<div class="ttc" id="anamespaceripple_html_a7f497dcb1c3e98dd745e3278eafc5342"><div class="ttname"><a href="namespaceripple.html#a7f497dcb1c3e98dd745e3278eafc5342">ripple::hash_value</a></div><div class="ttdeci">std::size_t hash_value(ripple::uint256 const &amp;feature)</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00044">Feature.cpp:44</a></div></div>
<div class="ttc" id="anamespaceripple_html_a7ffb3f54d739bb8f967d695f08fb66ccaa181a603769c1f98ad927e7367c7aa51"><div class="ttname"><a href="namespaceripple.html#a7ffb3f54d739bb8f967d695f08fb66ccaa181a603769c1f98ad927e7367c7aa51">ripple::TxSearched::all</a></div><div class="ttdeci">@ all</div></div>
<div class="ttc" id="anamespaceripple_html_a8c231e0a6ac493297e442e8e99af8037"><div class="ttname"><a href="namespaceripple.html#a8c231e0a6ac493297e442e8e99af8037">ripple::retireFeature</a></div><div class="ttdeci">uint256 retireFeature(std::string const &amp;name)</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00396">Feature.cpp:396</a></div></div>
<div class="ttc" id="anamespaceripple_html_aa00e870074854cb15cc1d91427e47bec"><div class="ttname"><a href="namespaceripple.html#aa00e870074854cb15cc1d91427e47bec">ripple::featureToName</a></div><div class="ttdeci">std::string featureToName(uint256 const &amp;f)</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00421">Feature.cpp:421</a></div></div>
<div class="ttc" id="anamespaceripple_html_aa3339c924836be74a553eb0fd5966a3c"><div class="ttname"><a href="namespaceripple.html#aa3339c924836be74a553eb0fd5966a3c">ripple::getRegisteredFeature</a></div><div class="ttdeci">std::optional&lt; uint256 &gt; getRegisteredFeature(std::string const &amp;name)</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00382">Feature.cpp:382</a></div></div>
<div class="ttc" id="anamespaceripple_html_aa5778f9faa15e3677dcda7975d9db7c6"><div class="ttname"><a href="namespaceripple.html#aa5778f9faa15e3677dcda7975d9db7c6">ripple::VoteBehavior</a></div><div class="ttdeci">VoteBehavior</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8h_source.html#l00087">Feature.h:87</a></div></div>
<div class="ttc" id="anamespaceripple_html_aa5778f9faa15e3677dcda7975d9db7c6a3fcbd083035206240ef4d4488ac18498"><div class="ttname"><a href="namespaceripple.html#aa5778f9faa15e3677dcda7975d9db7c6a3fcbd083035206240ef4d4488ac18498">ripple::VoteBehavior::DefaultNo</a></div><div class="ttdeci">@ DefaultNo</div></div>
<div class="ttc" id="anamespaceripple_html_aa5778f9faa15e3677dcda7975d9db7c6a7edd41da231424c2a5df0cffd15af6bf"><div class="ttname"><a href="namespaceripple.html#aa5778f9faa15e3677dcda7975d9db7c6a7edd41da231424c2a5df0cffd15af6bf">ripple::VoteBehavior::DefaultYes</a></div><div class="ttdeci">@ DefaultYes</div></div>
<div class="ttc" id="anamespaceripple_html_aa5778f9faa15e3677dcda7975d9db7c6aec30c235d0eb792797af1aa1d11759a7"><div class="ttname"><a href="namespaceripple.html#aa5778f9faa15e3677dcda7975d9db7c6aec30c235d0eb792797af1aa1d11759a7">ripple::VoteBehavior::Obsolete</a></div><div class="ttdeci">@ Obsolete</div></div>
<div class="ttc" id="anamespaceripple_html_ac124fe6744b7fe887dec949b56b16d50"><div class="ttname"><a href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">ripple::to_string</a></div><div class="ttdeci">std::string to_string(base_uint&lt; Bits, Tag &gt; const &amp;a)</div><div class="ttdef"><b>Definition:</b> <a href="base__uint_8h_source.html#l00630">base_uint.h:630</a></div></div>
<div class="ttc" id="anamespaceripple_html_ac52a0eb5ca3e6aec7bc695eb44ed1ab8"><div class="ttname"><a href="namespaceripple.html#ac52a0eb5ca3e6aec7bc695eb44ed1ab8">ripple::registrationIsDone</a></div><div class="ttdeci">bool registrationIsDone()</div><div class="ttdoc">Tell FeatureCollections when registration is complete.</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00403">Feature.cpp:403</a></div></div>
<div class="ttc" id="anamespaceripple_html_ae3f5bc352766a1a8dbf5270eb7dbc2e7"><div class="ttname"><a href="namespaceripple.html#ae3f5bc352766a1a8dbf5270eb7dbc2e7">ripple::sha512Half</a></div><div class="ttdeci">sha512_half_hasher::result_type sha512Half(Args const &amp;... args)</div><div class="ttdoc">Returns the SHA512-Half of a series of objects.</div><div class="ttdef"><b>Definition:</b> <a href="digest_8h_source.html#l00224">digest.h:224</a></div></div>
<div class="ttc" id="anamespaceripple_html_ae898d2883c4703f837647d90acd7c2d5"><div class="ttname"><a href="namespaceripple.html#ae898d2883c4703f837647d90acd7c2d5">ripple::readOnlySet</a></div><div class="ttdeci">static bool const readOnlySet</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00462">Feature.cpp:462</a></div></div>
<div class="ttc" id="anamespaceripple_html_aefd2f77338ce3c9a2fffc4f0b289b483"><div class="ttname"><a href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">ripple::LogicError</a></div><div class="ttdeci">void LogicError(std::string const &amp;how) noexcept</div><div class="ttdoc">Called when faulty logic causes a broken invariant.</div><div class="ttdef"><b>Definition:</b> <a href="libxrpl_2basics_2contract_8cpp_source.html#l00037">libxrpl/basics/contract.cpp:37</a></div></div>
<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a></div></div>
<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">std::string::size</a></div><div class="ttdeci">T size(T... args)</div></div>
<div class="ttc" id="asize_t_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div></div>
<div class="ttc" id="astring_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/string.html">string</a></div></div>
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