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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_206ae571f9a7f3abb34f1a779b56a18b.html">ledger</a></li> </ul>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include &lt;xrpl/basics/contract.h&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#include &lt;xrpl/beast/utility/instrumentation.h&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include &lt;xrpl/ledger/ApplyView.h&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;xrpl/protocol/Protocol.h&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/limits.html">limits</a>&gt;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/type_traits.html">type_traits</a>&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::uint64_t&gt;</a></div>
<div class="foldopen" id="foldopen00012" data-start="{" data-end="}">
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"><a class="line" href="classripple_1_1ApplyView.html#a94b3d125ad93f0015829ffd8b8be59d6"> 12</a></span><a class="code hl_function" href="classripple_1_1ApplyView.html#a94b3d125ad93f0015829ffd8b8be59d6">ApplyView::dirAdd</a>(</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> <span class="keywordtype">bool</span> preserveOrder,</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> <a class="code hl_struct" href="structripple_1_1Keylet.html">Keylet</a> <span class="keyword">const</span>&amp; directory,</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> <a class="code hl_class" href="classripple_1_1base__uint.html">uint256</a> <span class="keyword">const</span>&amp; key,</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a>&lt;<span class="keywordtype">void</span>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;SLE&gt;</a> <span class="keyword">const</span>&amp;)&gt; <span class="keyword">const</span>&amp; describe)</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span>{</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">auto</span> <a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a> = <a class="code hl_function" href="classripple_1_1ApplyView.html#afa666aaa8eb0080d96f910f8a719291d">peek</a>(directory);</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="keywordflow">if</span> (!<a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>)</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> {</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// No root, make it.</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> <a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a> = <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::make_shared&lt;SLE&gt;</a>(directory);</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> <a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>-&gt;setFieldH256(sfRootIndex, directory.<a class="code hl_variable" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>);</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> describe(<a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>);</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> <a class="code hl_class" href="classripple_1_1STVector256.html">STVector256</a> v;</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> v.<a class="code hl_function" href="classripple_1_1STVector256.html#a6bd443eec0924c8b8f95e6c6d812117c">push_back</a>(key);</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>-&gt;setFieldV256(sfIndexes, v);</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#aa3c5b5cd9dca5f906be4b36640706e3c">insert</a>(<a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>);</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordflow">return</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a>{0};</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> page = <a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>-&gt;getFieldU64(sfIndexPrevious);</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">auto</span> node = <a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">if</span> (page)</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> node = <a class="code hl_function" href="classripple_1_1ApplyView.html#afa666aaa8eb0080d96f910f8a719291d">peek</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#aaa5be5f268b3d5d79e99ce5bcbc4fab2">keylet::page</a>(directory, page));</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">if</span> (!node)</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Directory chain: root back-pointer broken.&quot;</span>);</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> }</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> <span class="keyword">auto</span> indexes = node-&gt;getFieldV256(sfIndexes);</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"> 48</span> <span class="comment">// If there&#39;s space, we use it:</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">if</span> (indexes.size() &lt; <a class="code hl_variable" href="namespaceripple.html#aa80a32aab1fec42be06c319dd49e8edc">dirNodeMaxEntries</a>)</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> {</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">if</span> (preserveOrder)</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="keywordflow">if</span> (<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/find.html">std::find</a>(indexes.begin(), indexes.end(), key) != indexes.end())</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;dirInsert: double insertion&quot;</span>);</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> indexes.push_back(key);</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">else</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> {</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="comment">// We can&#39;t be sure if this page is already sorted because</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// it may be a legacy page we haven&#39;t yet touched. Take</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// the time to sort it.</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/sort.html">std::sort</a>(indexes.begin(), indexes.end());</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">auto</span> pos = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/lower_bound.html">std::lower_bound</a>(indexes.begin(), indexes.end(), key);</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">if</span> (pos != indexes.end() &amp;&amp; key == *pos)</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;dirInsert: double insertion&quot;</span>);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> indexes.insert(pos, key);</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</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> node-&gt;setFieldV256(sfIndexes, indexes);</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(node);</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">return</span> page;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> }</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="comment">// We rely on modulo arithmetic of unsigned integers (guaranteed in</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="comment">// [basic.fundamental] paragraph 2) to detect page representation overflow.</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="comment">// For signed integers this would be UB, hence static_assert here.</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">static_assert</span>(<a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_unsigned.html">std::is_unsigned_v</a>&lt;<span class="keyword">decltype</span>(page)&gt;);</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="comment">// Defensive check against breaking changes in compiler.</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">static_assert</span>([]&lt;<span class="keyword">typename</span> T&gt;(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/type_identity.html">std::type_identity&lt;T&gt;</a>) <span class="keyword">constexpr</span> -&gt; T {</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> T tmp = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/types/numeric_limits/max.html">std::numeric_limits&lt;T&gt;::max</a>();</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">return</span> ++tmp;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> }(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/type_identity.html">std::type_identity</a>&lt;<span class="keyword">decltype</span>(page)&gt;{}) == 0);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> ++page;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// Check whether we&#39;re out of pages.</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">if</span> (page == 0)</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classripple_1_1ReadView.html#aceb3d74acaae18b238022337e5f250ce">rules</a>().<a class="code hl_function" href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">enabled</a>(fixDirectoryLimit) &amp;&amp;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> page &gt;= <a class="code hl_variable" href="namespaceripple.html#a1b17dc158d6cedca1055785df1a5e422">dirNodeMaxPages</a>) <span class="comment">// Old pages limit</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</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> <span class="comment">// We are about to create a new node; we&#39;ll link it to</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="comment">// the chain first:</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> node-&gt;setFieldU64(sfIndexNext, page);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(node);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>-&gt;setFieldU64(sfIndexPrevious, page);</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(<a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>);</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="comment">// Insert the new key:</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> indexes.clear();</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> indexes.push_back(key);</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> node = <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::make_shared&lt;SLE&gt;</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#aaa5be5f268b3d5d79e99ce5bcbc4fab2">keylet::page</a>(directory, page));</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> node-&gt;setFieldH256(sfRootIndex, directory.<a class="code hl_variable" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>);</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> node-&gt;setFieldV256(sfIndexes, indexes);</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">// Save some space by not specifying the value 0 since</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// it&#39;s the default.</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">if</span> (page != 1)</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> node-&gt;setFieldU64(sfIndexPrevious, page - 1);</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> describe(node);</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#aa3c5b5cd9dca5f906be4b36640706e3c">insert</a>(node);</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">return</span> page;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span>}</div>
</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00122" data-start="{" data-end="}">
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="classripple_1_1ApplyView.html#a68f2bcf1204498ac968947005ef9c3de"> 122</a></span><a class="code hl_function" href="classripple_1_1ApplyView.html#a68f2bcf1204498ac968947005ef9c3de">ApplyView::emptyDirDelete</a>(<a class="code hl_struct" href="structripple_1_1Keylet.html">Keylet</a> <span class="keyword">const</span>&amp; directory)</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="keyword">auto</span> node = <a class="code hl_function" href="classripple_1_1ApplyView.html#afa666aaa8eb0080d96f910f8a719291d">peek</a>(directory);</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="keywordflow">if</span> (!node)</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="comment">// Verify that the passed directory node is the directory root.</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">if</span> (directory.<a class="code hl_variable" href="structripple_1_1Keylet.html#a194d83c488eaa909ae4bcf816d8f4cb0">type</a> != ltDIR_NODE ||</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> node-&gt;getFieldH256(sfRootIndex) != directory.<a class="code hl_variable" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>)</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> {</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> UNREACHABLE(<span class="stringliteral">&quot;ripple::ApplyView::emptyDirDelete : invalid node type&quot;</span>);</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> }</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">// The directory still contains entries and so it cannot be removed</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">if</span> (!node-&gt;getFieldV256(sfIndexes).empty())</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> <span class="keyword">constexpr</span> rootPage = 0;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">auto</span> prevPage = node-&gt;getFieldU64(sfIndexPrevious);</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">auto</span> nextPage = node-&gt;getFieldU64(sfIndexNext);</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">if</span> (nextPage == rootPage &amp;&amp; prevPage != rootPage)</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Directory chain: fwd link broken&quot;</span>);</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">if</span> (prevPage == rootPage &amp;&amp; nextPage != rootPage)</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Directory chain: rev link broken&quot;</span>);</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> <span class="comment">// Older versions of the code would, in some cases, allow the last</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="comment">// page to be empty. Remove such pages:</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">if</span> (nextPage == prevPage &amp;&amp; nextPage != rootPage)</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> {</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">auto</span> last = <a class="code hl_function" href="classripple_1_1ApplyView.html#afa666aaa8eb0080d96f910f8a719291d">peek</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#aaa5be5f268b3d5d79e99ce5bcbc4fab2">keylet::page</a>(directory, nextPage));</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> <span class="keywordflow">if</span> (!last)</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Directory chain: fwd link broken.&quot;</span>);</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">if</span> (!last-&gt;getFieldV256(sfIndexes).empty())</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="comment">// Update the first page&#39;s linked list and</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="comment">// mark it as updated.</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> node-&gt;setFieldU64(sfIndexNext, rootPage);</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> node-&gt;setFieldU64(sfIndexPrevious, rootPage);</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(node);</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="comment">// And erase the empty last page:</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(last);</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">// Make sure our local values reflect the</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// updated information:</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> nextPage = rootPage;</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> prevPage = rootPage;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> }</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="comment">// If there are no other pages, erase the root:</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keywordflow">if</span> (nextPage == rootPage &amp;&amp; prevPage == rootPage)</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(node);</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span>}</div>
</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00188" data-start="{" data-end="}">
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"><a class="line" href="classripple_1_1ApplyView.html#a5a06441ef4fdb9b7f6e51437ce4a959f"> 188</a></span><a class="code hl_function" href="classripple_1_1ApplyView.html#a5a06441ef4fdb9b7f6e51437ce4a959f">ApplyView::dirRemove</a>(</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <a class="code hl_struct" href="structripple_1_1Keylet.html">Keylet</a> <span class="keyword">const</span>&amp; directory,</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> page,</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <a class="code hl_class" href="classripple_1_1base__uint.html">uint256</a> <span class="keyword">const</span>&amp; key,</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordtype">bool</span> keepRoot)</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span>{</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">auto</span> node = <a class="code hl_function" href="classripple_1_1ApplyView.html#afa666aaa8eb0080d96f910f8a719291d">peek</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#aaa5be5f268b3d5d79e99ce5bcbc4fab2">keylet::page</a>(directory, page));</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordflow">if</span> (!node)</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> </div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> <span class="keyword">constexpr</span> rootPage = 0;</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> {</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">auto</span> entries = node-&gt;getFieldV256(sfIndexes);</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keyword">auto</span> it = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/find.html">std::find</a>(entries.begin(), entries.end(), key);</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">if</span> (entries.end() == it)</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="comment">// We always preserve the relative order when we remove.</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> entries.erase(it);</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> node-&gt;setFieldV256(sfIndexes, entries);</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(node);</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">if</span> (!entries.empty())</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> }</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> </div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// The current page is now empty; check if it can be</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="comment">// deleted, and, if so, whether the entire directory</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// can now be removed.</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keyword">auto</span> prevPage = node-&gt;getFieldU64(sfIndexPrevious);</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keyword">auto</span> nextPage = node-&gt;getFieldU64(sfIndexNext);</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> <span class="comment">// The first page is the directory&#39;s root node and is</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="comment">// treated specially: it can never be deleted even if</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="comment">// it is empty, unless we plan on removing the entire</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="comment">// directory.</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">if</span> (page == rootPage)</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> {</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keywordflow">if</span> (nextPage == page &amp;&amp; prevPage != page)</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Directory chain: fwd link broken&quot;</span>);</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordflow">if</span> (prevPage == page &amp;&amp; nextPage != page)</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Directory chain: rev link broken&quot;</span>);</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> </div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="comment">// Older versions of the code would, in some cases,</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="comment">// allow the last page to be empty. Remove such</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="comment">// pages if we stumble on them:</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keywordflow">if</span> (nextPage == prevPage &amp;&amp; nextPage != page)</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="keyword">auto</span> last = <a class="code hl_function" href="classripple_1_1ApplyView.html#afa666aaa8eb0080d96f910f8a719291d">peek</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#aaa5be5f268b3d5d79e99ce5bcbc4fab2">keylet::page</a>(directory, nextPage));</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordflow">if</span> (!last)</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Directory chain: fwd link broken.&quot;</span>);</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keywordflow">if</span> (last-&gt;getFieldV256(sfIndexes).empty())</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> <span class="comment">// Update the first page&#39;s linked list and</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="comment">// mark it as updated.</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> node-&gt;setFieldU64(sfIndexNext, page);</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> node-&gt;setFieldU64(sfIndexPrevious, page);</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(node);</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> </div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="comment">// And erase the empty last page:</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(last);</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="comment">// Make sure our local values reflect the</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <span class="comment">// updated information:</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> nextPage = page;</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> prevPage = page;</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> }</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keywordflow">if</span> (keepRoot)</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="comment">// If there&#39;s no other pages, erase the root:</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">if</span> (nextPage == page &amp;&amp; prevPage == page)</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(node);</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> }</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> </div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="comment">// This can never happen for nodes other than the root:</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">if</span> (nextPage == page)</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Directory chain: fwd link broken&quot;</span>);</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> (prevPage == page)</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Directory chain: rev link broken&quot;</span>);</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="comment">// This node isn&#39;t the root, so it can either be in the</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="comment">// middle of the list, or at the end. Unlink it first</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="comment">// and then check if that leaves the list with only a</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="comment">// root:</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keyword">auto</span> prev = <a class="code hl_function" href="classripple_1_1ApplyView.html#afa666aaa8eb0080d96f910f8a719291d">peek</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#aaa5be5f268b3d5d79e99ce5bcbc4fab2">keylet::page</a>(directory, prevPage));</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keywordflow">if</span> (!prev)</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Directory chain: fwd link broken.&quot;</span>);</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="comment">// Fix previous to point to its new next.</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> prev-&gt;setFieldU64(sfIndexNext, nextPage);</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(prev);</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> </div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keyword">auto</span> next = <a class="code hl_function" href="classripple_1_1ApplyView.html#afa666aaa8eb0080d96f910f8a719291d">peek</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#aaa5be5f268b3d5d79e99ce5bcbc4fab2">keylet::page</a>(directory, nextPage));</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordflow">if</span> (!next)</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Directory chain: rev link broken.&quot;</span>);</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="comment">// Fix next to point to its new previous.</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> next-&gt;setFieldU64(sfIndexPrevious, prevPage);</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(next);</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> </div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="comment">// The page is no longer linked. Delete it.</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(node);</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> <span class="comment">// Check whether the next page is the last page and, if</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="comment">// so, whether it&#39;s empty. If it is, delete it.</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordflow">if</span> (nextPage != rootPage &amp;&amp; next-&gt;getFieldU64(sfIndexNext) == rootPage &amp;&amp;</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> next-&gt;getFieldV256(sfIndexes).empty())</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> <span class="comment">// Since next doesn&#39;t point to the root, it</span></div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="comment">// can&#39;t be pointing to prev.</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(next);</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="comment">// The previous page is now the last page:</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> prev-&gt;setFieldU64(sfIndexNext, rootPage);</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(prev);</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> </div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="comment">// And the root points to the last page:</span></div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keyword">auto</span> <a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a> = <a class="code hl_function" href="classripple_1_1ApplyView.html#afa666aaa8eb0080d96f910f8a719291d">peek</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#aaa5be5f268b3d5d79e99ce5bcbc4fab2">keylet::page</a>(directory, rootPage));</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>)</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Directory chain: root link broken.&quot;</span>);</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>-&gt;setFieldU64(sfIndexPrevious, prevPage);</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(<a class="code hl_function" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>);</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> nextPage = rootPage;</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> <span class="comment">// If we&#39;re not keeping the root, then check to see if</span></div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="comment">// it&#39;s left empty. If so, delete it as well.</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="keywordflow">if</span> (!keepRoot &amp;&amp; nextPage == rootPage &amp;&amp; prevPage == rootPage)</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> {</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="keywordflow">if</span> (prev-&gt;getFieldV256(sfIndexes).empty())</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> <a class="code hl_function" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(prev);</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> }</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> </div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span>}</div>
</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> </div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00337" data-start="{" data-end="}">
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"><a class="line" href="classripple_1_1ApplyView.html#a469fe9366dd58b47c9b29ba98bd3fc8d"> 337</a></span><a class="code hl_function" href="classripple_1_1ApplyView.html#a469fe9366dd58b47c9b29ba98bd3fc8d">ApplyView::dirDelete</a>(</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <a class="code hl_struct" href="structripple_1_1Keylet.html">Keylet</a> <span class="keyword">const</span>&amp; directory,</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a>&lt;<span class="keywordtype">void</span>(<a class="code hl_class" href="classripple_1_1base__uint.html">uint256</a> <span class="keyword">const</span>&amp;)&gt; <span class="keyword">const</span>&amp; callback)</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span>{</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::uint64_t&gt;</a> pi;</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> </div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="keywordflow">do</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">auto</span> <span class="keyword">const</span> page = <a class="code hl_function" href="classripple_1_1ApplyView.html#afa666aaa8eb0080d96f910f8a719291d">peek</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#aaa5be5f268b3d5d79e99ce5bcbc4fab2">keylet::page</a>(directory, pi.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/optional/value_or.html">value_or</a>(0)));</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="keywordflow">if</span> (!page)</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> </div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; item : page-&gt;getFieldV256(sfIndexes))</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> callback(item);</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> pi = (*page)[~sfIndexNext];</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> <a class="code hl_function" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(page);</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> } <span class="keywordflow">while</span> (pi);</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> </div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span>}</div>
</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> </div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span>} <span class="comment">// namespace ripple</span></div>
<div class="ttc" id="aclassripple_1_1ApplyView_html_a469fe9366dd58b47c9b29ba98bd3fc8d"><div class="ttname"><a href="classripple_1_1ApplyView.html#a469fe9366dd58b47c9b29ba98bd3fc8d">ripple::ApplyView::dirDelete</a></div><div class="ttdeci">bool dirDelete(Keylet const &amp;directory, std::function&lt; void(uint256 const &amp;)&gt; const &amp;)</div><div class="ttdoc">Remove the specified directory, invoking the callback for every node.</div><div class="ttdef"><b>Definition</b> <a href="ApplyView_8cpp_source.html#l00337">ApplyView.cpp:337</a></div></div>
<div class="ttc" id="aclassripple_1_1ApplyView_html_a542437b9b59a623e755979acdc075af5"><div class="ttname"><a href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">ripple::ApplyView::update</a></div><div class="ttdeci">virtual void update(std::shared_ptr&lt; SLE &gt; const &amp;sle)=0</div><div class="ttdoc">Indicate changes to a peeked SLE.</div></div>
<div class="ttc" id="aclassripple_1_1ApplyView_html_a5a06441ef4fdb9b7f6e51437ce4a959f"><div class="ttname"><a href="classripple_1_1ApplyView.html#a5a06441ef4fdb9b7f6e51437ce4a959f">ripple::ApplyView::dirRemove</a></div><div class="ttdeci">bool dirRemove(Keylet const &amp;directory, std::uint64_t page, uint256 const &amp;key, bool keepRoot)</div><div class="ttdoc">Remove an entry from a directory.</div><div class="ttdef"><b>Definition</b> <a href="ApplyView_8cpp_source.html#l00188">ApplyView.cpp:188</a></div></div>
<div class="ttc" id="aclassripple_1_1ApplyView_html_a68f2bcf1204498ac968947005ef9c3de"><div class="ttname"><a href="classripple_1_1ApplyView.html#a68f2bcf1204498ac968947005ef9c3de">ripple::ApplyView::emptyDirDelete</a></div><div class="ttdeci">bool emptyDirDelete(Keylet const &amp;directory)</div><div class="ttdoc">Remove the specified directory, if it is empty.</div><div class="ttdef"><b>Definition</b> <a href="ApplyView_8cpp_source.html#l00122">ApplyView.cpp:122</a></div></div>
<div class="ttc" id="aclassripple_1_1ApplyView_html_a94b3d125ad93f0015829ffd8b8be59d6"><div class="ttname"><a href="classripple_1_1ApplyView.html#a94b3d125ad93f0015829ffd8b8be59d6">ripple::ApplyView::dirAdd</a></div><div class="ttdeci">std::optional&lt; std::uint64_t &gt; dirAdd(bool preserveOrder, Keylet const &amp;directory, uint256 const &amp;key, std::function&lt; void(std::shared_ptr&lt; SLE &gt; const &amp;)&gt; const &amp;describe)</div><div class="ttdoc">Add an entry to a directory using the specified insert strategy.</div><div class="ttdef"><b>Definition</b> <a href="ApplyView_8cpp_source.html#l00012">ApplyView.cpp:12</a></div></div>
<div class="ttc" id="aclassripple_1_1ApplyView_html_aa3c5b5cd9dca5f906be4b36640706e3c"><div class="ttname"><a href="classripple_1_1ApplyView.html#aa3c5b5cd9dca5f906be4b36640706e3c">ripple::ApplyView::insert</a></div><div class="ttdeci">virtual void insert(std::shared_ptr&lt; SLE &gt; const &amp;sle)=0</div><div class="ttdoc">Insert a new state SLE.</div></div>
<div class="ttc" id="aclassripple_1_1ApplyView_html_afa666aaa8eb0080d96f910f8a719291d"><div class="ttname"><a href="classripple_1_1ApplyView.html#afa666aaa8eb0080d96f910f8a719291d">ripple::ApplyView::peek</a></div><div class="ttdeci">virtual std::shared_ptr&lt; SLE &gt; peek(Keylet const &amp;k)=0</div><div class="ttdoc">Prepare to modify the SLE associated with key.</div></div>
<div class="ttc" id="aclassripple_1_1ApplyView_html_afda9c12acbda605becf20f54d45587d4"><div class="ttname"><a href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">ripple::ApplyView::erase</a></div><div class="ttdeci">virtual void erase(std::shared_ptr&lt; SLE &gt; const &amp;sle)=0</div><div class="ttdoc">Remove a peeked SLE.</div></div>
<div class="ttc" id="aclassripple_1_1ReadView_html_aceb3d74acaae18b238022337e5f250ce"><div class="ttname"><a href="classripple_1_1ReadView.html#aceb3d74acaae18b238022337e5f250ce">ripple::ReadView::rules</a></div><div class="ttdeci">virtual Rules const &amp; rules() const =0</div><div class="ttdoc">Returns the tx processing rules.</div></div>
<div class="ttc" id="aclassripple_1_1Rules_html_a1a8388a2b9588aa9446ece92a88e0dd2"><div class="ttname"><a href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">ripple::Rules::enabled</a></div><div class="ttdeci">bool enabled(uint256 const &amp;feature) const</div><div class="ttdoc">Returns true if a feature is enabled.</div><div class="ttdef"><b>Definition</b> <a href="Rules_8cpp_source.html#l00111">Rules.cpp:111</a></div></div>
<div class="ttc" id="aclassripple_1_1STVector256_html"><div class="ttname"><a href="classripple_1_1STVector256.html">ripple::STVector256</a></div><div class="ttdef"><b>Definition</b> <a href="STVector256_8h_source.html#l00011">STVector256.h:12</a></div></div>
<div class="ttc" id="aclassripple_1_1STVector256_html_a6bd443eec0924c8b8f95e6c6d812117c"><div class="ttname"><a href="classripple_1_1STVector256.html#a6bd443eec0924c8b8f95e6c6d812117c">ripple::STVector256::push_back</a></div><div class="ttdeci">void push_back(uint256 const &amp;v)</div><div class="ttdef"><b>Definition</b> <a href="STVector256_8h_source.html#l00199">STVector256.h:199</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="afind_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/find.html">std::find</a></div><div class="ttdeci">T find(T... args)</div></div>
<div class="ttc" id="afunction_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a></div></div>
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a></div></div>
<div class="ttc" id="ais_same_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/is_same.html">std::is_same_v</a></div><div class="ttdeci">T is_same_v</div></div>
<div class="ttc" id="ais_unsigned_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/is_unsigned.html">std::is_unsigned_v</a></div><div class="ttdeci">T is_unsigned_v</div></div>
<div class="ttc" id="alimits_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/limits.html">limits</a></div></div>
<div class="ttc" id="alower_bound_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/lower_bound.html">std::lower_bound</a></div><div class="ttdeci">T lower_bound(T... args)</div></div>
<div class="ttc" id="amax_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/numeric_limits/max.html">std::numeric_limits::max</a></div><div class="ttdeci">T max(T... args)</div></div>
<div class="ttc" id="anamespaceripple_1_1keylet_html_aaa5be5f268b3d5d79e99ce5bcbc4fab2"><div class="ttname"><a href="namespaceripple_1_1keylet.html#aaa5be5f268b3d5d79e99ce5bcbc4fab2">ripple::keylet::page</a></div><div class="ttdeci">Keylet page(uint256 const &amp;root, std::uint64_t index=0) noexcept</div><div class="ttdoc">A page in a directory.</div><div class="ttdef"><b>Definition</b> <a href="Indexes_8cpp_source.html#l00361">Indexes.cpp:361</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#l00006">algorithm.h:6</a></div></div>
<div class="ttc" id="anamespaceripple_html_a1b17dc158d6cedca1055785df1a5e422"><div class="ttname"><a href="namespaceripple.html#a1b17dc158d6cedca1055785df1a5e422">ripple::dirNodeMaxPages</a></div><div class="ttdeci">std::uint64_t constexpr dirNodeMaxPages</div><div class="ttdoc">The maximum number of pages allowed in a directory.</div><div class="ttdef"><b>Definition</b> <a href="Protocol_8h_source.html#l00043">Protocol.h:43</a></div></div>
<div class="ttc" id="anamespaceripple_html_aa80a32aab1fec42be06c319dd49e8edc"><div class="ttname"><a href="namespaceripple.html#aa80a32aab1fec42be06c319dd49e8edc">ripple::dirNodeMaxEntries</a></div><div class="ttdeci">std::size_t constexpr dirNodeMaxEntries</div><div class="ttdoc">The maximum number of entries per directory page.</div><div class="ttdef"><b>Definition</b> <a href="Protocol_8h_source.html#l00037">Protocol.h:37</a></div></div>
<div class="ttc" id="anamespaceripple_html_acdc87ea9c4ad1742d4aeebac963e8570"><div class="ttname"><a href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">ripple::root</a></div><div class="ttdeci">Number root(Number f, unsigned d)</div><div class="ttdef"><b>Definition</b> <a href="Number_8cpp_source.html#l00617">Number.cpp:617</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#l00018">libxrpl/basics/contract.cpp:18</a></div></div>
<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional</a></div></div>
<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a></div></div>
<div class="ttc" id="asort_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/sort.html">std::sort</a></div><div class="ttdeci">T sort(T... args)</div></div>
<div class="ttc" id="astructripple_1_1Keylet_html"><div class="ttname"><a href="structripple_1_1Keylet.html">ripple::Keylet</a></div><div class="ttdoc">A pair of SHAMap key and LedgerEntryType.</div><div class="ttdef"><b>Definition</b> <a href="Keylet_8h_source.html#l00019">Keylet.h:20</a></div></div>
<div class="ttc" id="astructripple_1_1Keylet_html_a194d83c488eaa909ae4bcf816d8f4cb0"><div class="ttname"><a href="structripple_1_1Keylet.html#a194d83c488eaa909ae4bcf816d8f4cb0">ripple::Keylet::type</a></div><div class="ttdeci">LedgerEntryType type</div><div class="ttdef"><b>Definition</b> <a href="Keylet_8h_source.html#l00022">Keylet.h:22</a></div></div>
<div class="ttc" id="astructripple_1_1Keylet_html_a482983062843a8682fcea76a309c73db"><div class="ttname"><a href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">ripple::Keylet::key</a></div><div class="ttdeci">uint256 key</div><div class="ttdef"><b>Definition</b> <a href="Keylet_8h_source.html#l00021">Keylet.h:21</a></div></div>
<div class="ttc" id="atype_identity_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/type_identity.html">std::type_identity</a></div></div>
<div class="ttc" id="atype_traits_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/type_traits.html">type_traits</a></div></div>
<div class="ttc" id="avalue_or_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional/value_or.html">std::optional::value_or</a></div><div class="ttdeci">T value_or(T... args)</div></div>
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