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<li class="navelem"><a class="el" href="dir_a62226f9e3a6c7c5a3be455e2f87ae01.html">xrpld</a></li><li class="navelem"><a class="el" href="dir_c69db3203fa08a9ff994909ba6ee9783.html">app</a></li><li class="navelem"><a class="el" href="dir_a6d14a898e5042b88feceb06bece5732.html">paths</a></li><li class="navelem"><a class="el" href="dir_4236dcdf923f97c252e0c826c4e7f6d7.html">detail</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">#pragma once</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include &lt;xrpld/app/misc/AMMHelpers.h&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;xrpld/app/paths/AMMContext.h&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &lt;xrpld/app/paths/Flow.h&gt;</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;xrpld/app/paths/detail/AmountSpec.h&gt;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &lt;xrpld/app/paths/detail/FlatSets.h&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &lt;xrpld/app/paths/detail/FlowDebugInfo.h&gt;</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include &lt;xrpld/app/paths/detail/Steps.h&gt;</span></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><span class="preprocessor">#include &lt;xrpl/basics/Log.h&gt;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;xrpl/ledger/Credit.h&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &lt;xrpl/protocol/Feature.h&gt;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;xrpl/protocol/IOUAmount.h&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include &lt;xrpl/protocol/XRPAmount.h&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;boost/container/flat_set.hpp&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a>&gt;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/iterator.html">iterator</a>&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/numeric.html">numeric</a>&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacexrpl.html">xrpl</a> {</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TInAmt, <span class="keyword">class</span> TOutAmt&gt;</div>
<div class="foldopen" id="foldopen00027" data-start="{" data-end="};">
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="structxrpl_1_1StrandResult.html"> 27</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structxrpl_1_1StrandResult.html">StrandResult</a></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span>{</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"><a class="line" href="structxrpl_1_1StrandResult.html#a3d383cef4b833d9bdadbb25f53f12fea"> 29</a></span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a3d383cef4b833d9bdadbb25f53f12fea">success</a>; </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="structxrpl_1_1StrandResult.html#aee586c07e247601a98477bfd4027ead0"> 30</a></span> TInAmt <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#aee586c07e247601a98477bfd4027ead0">in</a> = beast::zero; </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"><a class="line" href="structxrpl_1_1StrandResult.html#a1dc7f25df4914df66733bb8666a08810"> 31</a></span> TOutAmt <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a1dc7f25df4914df66733bb8666a08810">out</a> = beast::zero; </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"><a class="line" href="structxrpl_1_1StrandResult.html#a34bab6b88188dfda114fa243a68e2af4"> 32</a></span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;PaymentSandbox&gt;</a> <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a34bab6b88188dfda114fa243a68e2af4">sandbox</a>; </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="structxrpl_1_1StrandResult.html#a2a4d5798697d52be965ac70643b87d3e"> 33</a></span> boost::container::flat_set&lt;uint256&gt; <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a2a4d5798697d52be965ac70643b87d3e">ofrsToRm</a>; </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// Num offers consumed or partially consumed (includes expired and unfunded</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// offers)</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"><a class="line" href="structxrpl_1_1StrandResult.html#a73d117f2f1d575c51745165473c08293"> 36</a></span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a73d117f2f1d575c51745165473c08293">ofrsUsed</a> = 0;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// strand can be inactive if there is no more liquidity or too many offers</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// have been consumed</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"><a class="line" href="structxrpl_1_1StrandResult.html#af0557b7d3dcfe6bf0a37d0fc9aec0378"> 39</a></span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#af0557b7d3dcfe6bf0a37d0fc9aec0378">inactive</a> = <span class="keyword">false</span>; </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="structxrpl_1_1StrandResult.html#a8c90f8283af4f5595c60fc2955cf2440"> 43</a></span> <a class="code hl_function" href="structxrpl_1_1StrandResult.html#a8c90f8283af4f5595c60fc2955cf2440">StrandResult</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="foldopen" id="foldopen00045" data-start="{" data-end="}">
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="structxrpl_1_1StrandResult.html#acfce2ba8ca93532679a5f40243d37ea6"> 45</a></span> <a class="code hl_function" href="structxrpl_1_1StrandResult.html#acfce2ba8ca93532679a5f40243d37ea6">StrandResult</a>(</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> Strand <span class="keyword">const</span>&amp; strand,</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> TInAmt <span class="keyword">const</span>&amp; in_,</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> TOutAmt <span class="keyword">const</span>&amp; out_,</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a>&amp;&amp; sandbox_,</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> boost::container::flat_set&lt;uint256&gt; ofrsToRm_,</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordtype">bool</span> inactive_)</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> : <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a3d383cef4b833d9bdadbb25f53f12fea">success</a>(true)</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> , <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#aee586c07e247601a98477bfd4027ead0">in</a>(in_)</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> , <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a1dc7f25df4914df66733bb8666a08810">out</a>(out_)</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> , <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a34bab6b88188dfda114fa243a68e2af4">sandbox</a>(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(sandbox_))</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> , <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a2a4d5798697d52be965ac70643b87d3e">ofrsToRm</a>(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(ofrsToRm_))</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> , <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a73d117f2f1d575c51745165473c08293">ofrsUsed</a>(offersUsed(strand))</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> , <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#af0557b7d3dcfe6bf0a37d0fc9aec0378">inactive</a>(inactive_)</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> }</div>
</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="foldopen" id="foldopen00062" data-start="{" data-end="}">
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="structxrpl_1_1StrandResult.html#add483f66655cb43b932454d6c8cf3a63"> 62</a></span> <a class="code hl_function" href="structxrpl_1_1StrandResult.html#add483f66655cb43b932454d6c8cf3a63">StrandResult</a>(Strand <span class="keyword">const</span>&amp; strand, boost::container::flat_set&lt;uint256&gt; ofrsToRm_)</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> : <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a3d383cef4b833d9bdadbb25f53f12fea">success</a>(false), <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a2a4d5798697d52be965ac70643b87d3e">ofrsToRm</a>(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(ofrsToRm_)), <a class="code hl_variable" href="structxrpl_1_1StrandResult.html#a73d117f2f1d575c51745165473c08293">ofrsUsed</a>(offersUsed(strand))</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> }</div>
</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span>};</div>
</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TInAmt, <span class="keyword">class</span> TOutAmt&gt;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>StrandResult&lt;TInAmt, TOutAmt&gt;</div>
<div class="foldopen" id="foldopen00081" data-start="{" data-end="}">
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a9533bc3141d1e147db280797157ea5b4"> 81</a></span><a class="code hl_function" href="namespacexrpl.html#a9533bc3141d1e147db280797157ea5b4">flow</a>(</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a> <span class="keyword">const</span>&amp; baseView,</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> Strand <span class="keyword">const</span>&amp; strand,</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;TInAmt&gt;</a> <span class="keyword">const</span>&amp; maxIn,</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> TOutAmt <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>,</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <a class="code hl_class" href="classbeast_1_1Journal.html">beast::Journal</a> j)</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> <span class="keyword">using </span><a class="code hl_typedef" href="namespacexrpl.html#ad3f19437b8e0429d263377774bf920fc">Result</a> = <a class="code hl_struct" href="structxrpl_1_1StrandResult.html">StrandResult&lt;TInAmt, TOutAmt&gt;</a>;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">if</span> (strand.empty())</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> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Empty strand passed to Liquidity&quot;</span>;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">return</span> {};</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> }</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> boost::container::flat_set&lt;uint256&gt; ofrsToRm;</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="keywordflow">if</span> (isDirectXrpToXrp&lt;TInAmt, TOutAmt&gt;(strand))</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> {</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="namespacexrpl.html#ad3f19437b8e0429d263377774bf920fc">Result</a>{strand, std::move(ofrsToRm)};</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> }</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> <span class="keywordflow">try</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> {</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <span class="keyword">const</span> s = strand.size();</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> limitingStep = strand.size();</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;PaymentSandbox&gt;</a> sb(&amp;baseView);</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="comment">// The &quot;all funds&quot; view determines if an offer becomes unfunded or is</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="comment">// found unfunded</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="comment">// These are the account balances before the strand executes</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;PaymentSandbox&gt;</a> afView(&amp;baseView);</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a> <a class="code hl_function" href="namespacexrpl.html#a34ee3250fe5995347b30f801f6945710">limitStepOut</a>;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> {</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a> stepOut(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>);</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> i = s; i--;)</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="keyword">auto</span> r = strand[i]-&gt;rev(*sb, *afView, ofrsToRm, stepOut);</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">if</span> (strand[i]-&gt;isZero(r.second))</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> {</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) &lt;&lt; <span class="stringliteral">&quot;Strand found dry in rev&quot;</span>;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="namespacexrpl.html#ad3f19437b8e0429d263377774bf920fc">Result</a>{strand, std::move(ofrsToRm)};</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> }</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="keywordflow">if</span> (i == 0 &amp;&amp; maxIn &amp;&amp; *maxIn &lt; get&lt;TInAmt&gt;(r.first))</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> {</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="comment">// limiting - exceeded maxIn</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="comment">// Throw out previous results</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> sb.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/optional/emplace.html">emplace</a>(&amp;baseView);</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> limitingStep = i;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// re-execute the limiting step</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> r = strand[i]-&gt;fwd(*sb, *afView, ofrsToRm, <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a>(*maxIn));</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <a class="code hl_function" href="namespacexrpl.html#a34ee3250fe5995347b30f801f6945710">limitStepOut</a> = r.second;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">if</span> (strand[i]-&gt;isZero(r.second))</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> {</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) &lt;&lt; <span class="stringliteral">&quot;First step found dry&quot;</span>;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="namespacexrpl.html#ad3f19437b8e0429d263377774bf920fc">Result</a>{strand, std::move(ofrsToRm)};</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> }</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">if</span> (get&lt;TInAmt&gt;(r.first) != *maxIn)</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> {</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// Something is very wrong</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// throwing out the sandbox can only increase liquidity</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="comment">// yet the limiting is still limiting</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#a3dfb8e2e3eecccdb5cf78ff21bca069c">fatal</a>()) &lt;&lt; <span class="stringliteral">&quot;Re-executed limiting step failed. r.first: &quot;</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(get&lt;TInAmt&gt;(r.first)) &lt;&lt; <span class="stringliteral">&quot; maxIn: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(*maxIn);</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> UNREACHABLE(</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="stringliteral">&quot;xrpl::flow : first step re-executing the &quot;</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="stringliteral">&quot;limiting step failed&quot;</span>);</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="namespacexrpl.html#ad3f19437b8e0429d263377774bf920fc">Result</a>{strand, std::move(ofrsToRm)};</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> }</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> }</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strand[i]-&gt;equalOut(r.second, stepOut))</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="comment">// limiting</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="comment">// Throw out previous results</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> sb.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/optional/emplace.html">emplace</a>(&amp;baseView);</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> afView.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/optional/emplace.html">emplace</a>(&amp;baseView);</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> limitingStep = i;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="comment">// re-execute the limiting step</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> stepOut = r.second;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> r = strand[i]-&gt;rev(*sb, *afView, ofrsToRm, stepOut);</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <a class="code hl_function" href="namespacexrpl.html#a34ee3250fe5995347b30f801f6945710">limitStepOut</a> = r.second;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">if</span> (strand[i]-&gt;isZero(r.second))</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> <span class="comment">// A tiny input amount can cause this step to output</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="comment">// zero. I.e. 10^-80 IOU into an IOU -&gt; XRP offer.</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) &lt;&lt; <span class="stringliteral">&quot;Limiting step found dry&quot;</span>;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="namespacexrpl.html#ad3f19437b8e0429d263377774bf920fc">Result</a>{strand, std::move(ofrsToRm)};</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> }</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">if</span> (!strand[i]-&gt;equalOut(r.second, stepOut))</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> {</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="comment">// Something is very wrong</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// throwing out the sandbox can only increase liquidity</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="comment">// yet the limiting is still limiting</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span><span class="preprocessor">#ifndef NDEBUG</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#a3dfb8e2e3eecccdb5cf78ff21bca069c">fatal</a>()) &lt;&lt; <span class="stringliteral">&quot;Re-executed limiting step failed. r.second: &quot;</span> &lt;&lt; r.second</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> &lt;&lt; <span class="stringliteral">&quot; stepOut: &quot;</span> &lt;&lt; stepOut;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#a3dfb8e2e3eecccdb5cf78ff21bca069c">fatal</a>()) &lt;&lt; <span class="stringliteral">&quot;Re-executed limiting step failed&quot;</span>;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> UNREACHABLE(</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="stringliteral">&quot;xrpl::flow : limiting step re-executing the &quot;</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="stringliteral">&quot;limiting step failed&quot;</span>);</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="namespacexrpl.html#ad3f19437b8e0429d263377774bf920fc">Result</a>{strand, std::move(ofrsToRm)};</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> }</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> </div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="comment">// prev node needs to produce what this node wants to consume</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> stepOut = r.first;</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="l00199" name="l00199"></a><span class="lineno"> 199</span> </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> <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a> stepIn(<a class="code hl_function" href="namespacexrpl.html#a34ee3250fe5995347b30f801f6945710">limitStepOut</a>);</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> i = limitingStep + 1; i &lt; s; ++i)</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> <span class="keyword">const</span> r = strand[i]-&gt;fwd(*sb, *afView, ofrsToRm, stepIn);</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">if</span> (strand[i]-&gt;isZero(r.second))</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> <span class="comment">// A tiny input amount can cause this step to output zero.</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="comment">// I.e. 10^-80 IOU into an IOU -&gt; XRP offer.</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) &lt;&lt; <span class="stringliteral">&quot;Non-limiting step found dry&quot;</span>;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="namespacexrpl.html#ad3f19437b8e0429d263377774bf920fc">Result</a>{strand, std::move(ofrsToRm)};</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> <span class="keywordflow">if</span> (!strand[i]-&gt;equalIn(r.first, stepIn))</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> <span class="comment">// The limits should already have been found, so executing a</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="comment">// strand forward from the limiting step should not find a</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="comment">// new limit</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="preprocessor">#ifndef NDEBUG</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#a3dfb8e2e3eecccdb5cf78ff21bca069c">fatal</a>()) &lt;&lt; <span class="stringliteral">&quot;Re-executed forward pass failed. r.first: &quot;</span> &lt;&lt; r.first &lt;&lt; <span class="stringliteral">&quot; stepIn: &quot;</span> &lt;&lt; stepIn;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#a3dfb8e2e3eecccdb5cf78ff21bca069c">fatal</a>()) &lt;&lt; <span class="stringliteral">&quot;Re-executed forward pass failed&quot;</span>;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> UNREACHABLE(</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="stringliteral">&quot;xrpl::flow : non-limiting step re-executing the &quot;</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="stringliteral">&quot;forward pass failed&quot;</span>);</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="namespacexrpl.html#ad3f19437b8e0429d263377774bf920fc">Result</a>{strand, std::move(ofrsToRm)};</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="comment">// LCOV_EXCL_STOP</span></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> stepIn = r.second;</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> }</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keyword">auto</span> <span class="keyword">const</span> strandIn = *strand.front()-&gt;cachedIn();</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keyword">auto</span> <span class="keyword">const</span> strandOut = *strand.back()-&gt;cachedOut();</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> </div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span><span class="preprocessor">#ifndef NDEBUG</span></div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> {</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="comment">// Check that the strand will execute as intended</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="comment">// Re-executing the strand will change the cached values</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a> checkSB(&amp;baseView);</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a> checkAfView(&amp;baseView);</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a> stepIn(*strand[0]-&gt;cachedIn());</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> i = 0; i &lt; s; ++i)</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="keywordtype">bool</span> <a class="code hl_function" href="namespacexrpl_1_1credentials.html#ac22a251ba718f9ba07882d82901f5d84">valid</a>;</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/tuple/tie.html">std::tie</a>(<a class="code hl_function" href="namespacexrpl_1_1credentials.html#ac22a251ba718f9ba07882d82901f5d84">valid</a>, stepIn) = strand[i]-&gt;validFwd(checkSB, checkAfView, stepIn);</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespacexrpl_1_1credentials.html#ac22a251ba718f9ba07882d82901f5d84">valid</a>)</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> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Strand re-execute check failed. Step: &quot;</span> &lt;&lt; i;</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> }</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> }</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="preprocessor">#endif</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keywordtype">bool</span> <span class="keyword">const</span> inactive = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/all_any_none_of.html">std::any_of</a>(</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> strand.begin(), strand.end(), [](<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr&lt;Step&gt;</a> <span class="keyword">const</span>&amp; step) { return step-&gt;inactive(); });</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> </div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">return</span> <a class="code hl_typedef" href="namespacexrpl.html#ad3f19437b8e0429d263377774bf920fc">Result</a>(</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> strand, get&lt;TInAmt&gt;(strandIn), get&lt;TOutAmt&gt;(strandOut), std::move(*sb), std::move(ofrsToRm), inactive);</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> <span class="keywordflow">catch</span> (FlowException <span class="keyword">const</span>&amp;)</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">return</span> <a class="code hl_typedef" href="namespacexrpl.html#ad3f19437b8e0429d263377774bf920fc">Result</a>{strand, std::move(ofrsToRm)};</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>}</div>
</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> </div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TInAmt, <span class="keyword">class</span> TOutAmt&gt;</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span><span class="keyword">struct </span>FlowResult</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span>{</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> TInAmt in = beast::zero;</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> TOutAmt out = beast::zero;</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;PaymentSandbox&gt;</a> sandbox;</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> boost::container::flat_set&lt;uint256&gt; removableOffers;</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> TER ter = temUNKNOWN;</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> FlowResult() = <span class="keywordflow">default</span>;</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> FlowResult(</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> TInAmt <span class="keyword">const</span>&amp; in_,</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> TOutAmt <span class="keyword">const</span>&amp; out_,</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> PaymentSandbox&amp;&amp; sandbox_,</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> boost::container::flat_set&lt;uint256&gt; ofrsToRm)</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> : in(in_), out(out_), sandbox(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(sandbox_)), removableOffers(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(ofrsToRm)), ter(tesSUCCESS)</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> }</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> </div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> FlowResult(TER ter_, boost::container::flat_set&lt;uint256&gt; ofrsToRm) : removableOffers(<a class="code hl_namespace" href="namespacestd.html">std</a>::<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/ranges/move.html">move</a>(ofrsToRm)), ter(ter_)</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> {</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> </div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> FlowResult(TER ter_, TInAmt <span class="keyword">const</span>&amp; in_, TOutAmt <span class="keyword">const</span>&amp; out_, boost::container::flat_set&lt;uint256&gt; ofrsToRm)</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> : <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>(in_), <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>(out_), removableOffers(<a class="code hl_namespace" href="namespacestd.html">std</a>::<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/ranges/move.html">move</a>(ofrsToRm)), ter(ter_)</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> {</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> }</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span>};</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> </div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span><span class="keyword">inline</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span>qualityUpperBound(ReadView <span class="keyword">const</span>&amp; v, Strand <span class="keyword">const</span>&amp; strand)</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span>{</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> Quality q{<a class="code hl_variable" href="classxrpl_1_1STAmount.html#a2264776ce898ed1e4d158dc3bf257d44">STAmount::uRateOne</a>};</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a> stepQ;</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> dir = <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054dafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>;</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; step : strand)</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> {</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="keywordflow">if</span> (<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/tuple/tie.html">std::tie</a>(stepQ, dir) = step-&gt;qualityUpperBound(v, dir); stepQ)</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> q = <a class="code hl_function" href="namespacexrpl.html#a2d646f5411525178d9f1c9baa4be1b51">composed_quality</a>(q, *stepQ);</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</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="l00313" name="l00313"></a><span class="lineno"> 313</span> }</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keywordflow">return</span> q;</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span>};</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> </div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> </div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> TOutAmt&gt;</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span><span class="keyword">inline</span> TOutAmt</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span>limitOut(ReadView <span class="keyword">const</span>&amp; v, Strand <span class="keyword">const</span>&amp; strand, TOutAmt <span class="keyword">const</span>&amp; remainingOut, Quality <span class="keyword">const</span>&amp; limitQuality)</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span>{</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;QualityFunction&gt;</a> stepQualityFunc;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;QualityFunction&gt;</a> qf;</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> dir = <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054dafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>;</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; step : strand)</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="keywordflow">if</span> (<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/tuple/tie.html">std::tie</a>(stepQualityFunc, dir) = step-&gt;getQualityFunc(v, dir); stepQualityFunc)</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> {</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="keywordflow">if</span> (!qf)</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> qf = stepQualityFunc;</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> qf-&gt;combine(*stepQualityFunc);</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">else</span></div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordflow">return</span> remainingOut;</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> }</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">// QualityFunction is constant</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keywordflow">if</span> (!qf || qf-&gt;isConst())</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keywordflow">return</span> remainingOut;</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> </div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="keyword">auto</span> <span class="keyword">const</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a> = [&amp;]() {</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a> = qf-&gt;outFromAvgQ(limitQuality); !<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>)</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <span class="keywordflow">return</span> remainingOut;</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> <span class="keyword">constexpr</span> (<a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::is_same_v&lt;TOutAmt, XRPAmount&gt;</a>)</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keywordflow">return</span> XRPAmount{*<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>};</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> <span class="keyword">constexpr</span> (<a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::is_same_v&lt;TOutAmt, IOUAmount&gt;</a>)</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="keywordflow">return</span> IOUAmount{*<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>};</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="keywordflow">return</span> STAmount{remainingOut.issue(), <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>-&gt;mantissa(), <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>-&gt;exponent()};</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">// A tiny difference could be due to the round off</span></div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespacexrpl.html#ad64c4c59078876e1cf6f5c7203f815e0">withinRelativeDistance</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>, remainingOut, Number(1, -9)))</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="keywordflow">return</span> remainingOut;</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>, remainingOut);</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span>};</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> </div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span><span class="comment">/* Track the non-dry strands</span></div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span><span class="comment"></span> </div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span><span class="comment"> flow will search the non-dry strands (stored in `cur_`) for the best</span></div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span><span class="comment"> available liquidity If flow doesn&#39;t use all the liquidity of a strand, that</span></div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span><span class="comment"> strand is added to `next_`. The strands in `next_` are searched after the</span></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span><span class="comment"> current best liquidity is used.</span></div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span><span class="comment"> */</span></div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span><span class="keyword">class </span>ActiveStrands</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><span class="keyword">private</span>:</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="comment">// Strands to be explored for liquidity</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;Strand const*&gt;</a> cur_;</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <span class="comment">// Strands that may be explored for liquidity on the next iteration</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;Strand const*&gt;</a> next_;</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="keyword">public</span>:</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> ActiveStrands(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;Strand&gt;</a> <span class="keyword">const</span>&amp; strands)</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> cur_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/reserve.html">reserve</a>(strands.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>());</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/reserve.html">reserve</a>(strands.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>());</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; strand : strands)</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> next_.push_back(&amp;strand);</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">// Start a new iteration in the search for liquidity</span></div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="comment">// Set the current strands to the strands in `next_`</span></div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <span class="keywordtype">void</span></div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> activateNext(ReadView <span class="keyword">const</span>&amp; v, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a> <span class="keyword">const</span>&amp; limitQuality)</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="comment">// add the strands in `next_` to `cur_`, sorted by theoretical quality.</span></div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <span class="comment">// Best quality first.</span></div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> cur_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/clear.html">clear</a>();</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <span class="keywordflow">if</span> (!next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/empty.html">empty</a>())</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> {</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;std::pair&lt;Quality, Strand const*&gt;</a>&gt; strandQualities;</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> strandQualities.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/reserve.html">reserve</a>(next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>());</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="keywordflow">if</span> (next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>() &gt; 1) <span class="comment">// no need to sort one strand</span></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> <span class="keywordflow">for</span> (Strand <span class="keyword">const</span>* strand : next_)</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> {</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="keywordflow">if</span> (!strand)</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="comment">// should not happen</span></div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="keywordflow">continue</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> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> qual = qualityUpperBound(v, *strand))</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> {</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <span class="keywordflow">if</span> (limitQuality &amp;&amp; *qual &lt; *limitQuality)</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> {</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="comment">// If a strand&#39;s quality is ever over limitQuality</span></div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <span class="comment">// it is no longer part of the candidate set. Note</span></div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> <span class="comment">// that when transfer fees are charged, and an</span></div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="comment">// account goes from redeeming to issuing then</span></div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <span class="comment">// strand quality _can_ increase; However, this is</span></div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="comment">// an unusual corner case.</span></div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordflow">continue</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> strandQualities.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>({*qual, strand});</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</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="comment">// must stable sort for deterministic order across different c++</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <span class="comment">// standard library implementations</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/stable_sort.html">std::stable_sort</a>(strandQualities.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/begin.html">begin</a>(), strandQualities.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>(), [](<span class="keyword">auto</span> <span class="keyword">const</span>&amp; lhs, <span class="keyword">auto</span> <span class="keyword">const</span>&amp; rhs) {</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="comment">// higher qualities first</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> return std::get&lt;Quality&gt;(lhs) &gt; std::get&lt;Quality&gt;(rhs);</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> });</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/clear.html">clear</a>();</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/reserve.html">reserve</a>(strandQualities.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>());</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; sq : strandQualities)</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> {</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(<a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::get&lt;Strand const*&gt;</a>(sq));</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> }</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> }</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/swap.html">std::swap</a>(cur_, next_);</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> }</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> </div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> Strand <span class="keyword">const</span>*</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <a class="code hl_function" href="namespacexrpl.html#a35eb8e7a63de05fb4478c7faa7bdc70b">get</a>(<span class="keywordtype">size_t</span> i)<span class="keyword"> const</span></div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="keywordflow">if</span> (i &gt;= cur_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>())</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> {</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> UNREACHABLE(<span class="stringliteral">&quot;xrpl::ActiveStrands::get : input out of range&quot;</span>);</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> }</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="keywordflow">return</span> cur_[i];</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> }</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> </div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> <span class="keywordtype">void</span></div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> push(Strand <span class="keyword">const</span>* s)</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> {</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(s);</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> }</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">// Push the strands from index i to the end of cur_ to next_</span></div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> <span class="keywordtype">void</span></div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> pushRemainingCurToNext(<span class="keywordtype">size_t</span> i)</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> {</div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="keywordflow">if</span> (i &gt;= cur_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>())</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/insert.html">insert</a>(next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>(), <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/next.html">std::next</a>(cur_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/begin.html">begin</a>(), i), cur_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>());</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> }</div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> </div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <span class="keyword">auto</span></div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/size.html">size</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> <span class="keywordflow">return</span> cur_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>();</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> }</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> </div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> <span class="keywordtype">void</span></div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> removeIndex(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> i)</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> {</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="keywordflow">if</span> (i &gt;= next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>())</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/erase.html">erase</a>(next_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/begin.html">begin</a>() + i);</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> }</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span>};</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> </div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TInAmt, <span class="keyword">class</span> TOutAmt&gt;</div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span>FlowResult&lt;TInAmt, TOutAmt&gt;</div>
<div class="foldopen" id="foldopen00512" data-start="{" data-end="}">
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a310e67a61b4b955a16613b9064c4641d"> 512</a></span><a class="code hl_function" href="namespacexrpl.html#a9533bc3141d1e147db280797157ea5b4">flow</a>(</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> <a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a> <span class="keyword">const</span>&amp; baseView,</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;Strand&gt;</a> <span class="keyword">const</span>&amp; strands,</div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> TOutAmt <span class="keyword">const</span>&amp; outReq,</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> <span class="keywordtype">bool</span> partialPayment,</div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <a class="code hl_enumeration" href="namespacexrpl.html#ae2eb3a547c409e2625b3aec23b15ef55">OfferCrossing</a> offerCrossing,</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a> <span class="keyword">const</span>&amp; limitQuality,</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;STAmount&gt;</a> <span class="keyword">const</span>&amp; sendMaxST,</div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> <a class="code hl_class" href="classbeast_1_1Journal.html">beast::Journal</a> j,</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <a class="code hl_class" href="classxrpl_1_1AMMContext.html">AMMContext</a>&amp; ammContext,</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> <a class="code hl_struct" href="structxrpl_1_1path_1_1detail_1_1FlowDebugInfo.html">path::detail::FlowDebugInfo</a>* flowDebugInfo = <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span>{</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> <span class="comment">// Used to track the strand that offers the best quality (output/input</span></div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> <span class="comment">// ratio)</span></div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> <span class="keyword">struct </span>BestStrand</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> {</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> TInAmt <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> TOutAmt <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>;</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> <a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a> sb;</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> Strand <span class="keyword">const</span>&amp; strand;</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> Quality quality;</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> </div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> BestStrand(</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> TInAmt <span class="keyword">const</span>&amp; in_,</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> TOutAmt <span class="keyword">const</span>&amp; out_,</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> <a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a>&amp;&amp; sb_,</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> Strand <span class="keyword">const</span>&amp; strand_,</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> Quality <span class="keyword">const</span>&amp; quality_)</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> : <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>(in_), <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>(out_), sb(std::move(sb_)), strand(strand_), quality(quality_)</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> {</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> }</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> };</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> </div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <span class="keyword">const</span> maxTries = 1000;</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> curTry = 0;</div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> maxOffersToConsider = 1500;</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> offersConsidered = 0;</div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> </div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <span class="comment">// There is a bug in gcc that incorrectly warns about using uninitialized</span></div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="comment">// values if `remainingIn` is initialized through a copy constructor. We can</span></div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="comment">// get similar warnings for `sendMax` if it is initialized in the most</span></div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <span class="comment">// natural way. Using `make_optional`, allows us to work around this bug.</span></div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> TInAmt <span class="keyword">const</span> sendMaxInit = sendMaxST ? toAmount&lt;TInAmt&gt;(*sendMaxST) : TInAmt{beast::zero};</div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;TInAmt&gt;</a> <span class="keyword">const</span> sendMax =</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> (sendMaxST &amp;&amp; sendMaxInit &gt;= beast::zero) ? <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/optional/make_optional.html">std::make_optional</a>(sendMaxInit) : <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="l00557" name="l00557"></a><span class="lineno"> 557</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;TInAmt&gt;</a> remainingIn = !!sendMax ? <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/optional/make_optional.html">std::make_optional</a>(sendMaxInit) : <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="l00558" name="l00558"></a><span class="lineno"> 558</span> <span class="comment">// std::optional&lt;TInAmt&gt; remainingIn{sendMax};</span></div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> </div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> TOutAmt remainingOut(outReq);</div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> </div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> <a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a> sb(&amp;baseView);</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> </div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> <span class="comment">// non-dry strands</span></div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> ActiveStrands activeStrands(strands);</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> </div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> <span class="comment">// Keeping a running sum of the amount in the order they are processed</span></div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> <span class="comment">// will not give the best precision. Keep a collection so they may be summed</span></div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="comment">// from smallest to largest</span></div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> boost::container::flat_multiset&lt;TInAmt&gt; savedIns;</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> savedIns.reserve(maxTries);</div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> boost::container::flat_multiset&lt;TOutAmt&gt; savedOuts;</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> savedOuts.reserve(maxTries);</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> </div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> <span class="keyword">auto</span> <a class="code hl_function" href="namespacexrpl.html#a13870025615d01c1365680cfa94e6708">sum</a> = [](<span class="keyword">auto</span> <span class="keyword">const</span>&amp; col) {</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> <span class="keyword">using </span>TResult = <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/decay.html">std::decay_t</a>&lt;<span class="keyword">decltype</span>(*col.begin())&gt;;</div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="keywordflow">if</span> (col.empty())</div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> <span class="keywordflow">return</span> TResult{beast::zero};</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/accumulate.html">std::accumulate</a>(col.begin() + 1, col.end(), *col.begin());</div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> };</div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> </div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> <span class="comment">// These offers only need to be removed if the payment is not</span></div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <span class="comment">// successful</span></div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> boost::container::flat_set&lt;uint256&gt; ofrsToRmOnFail;</div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> </div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="keywordflow">while</span> (remainingOut &gt; beast::zero &amp;&amp; (!remainingIn || *remainingIn &gt; beast::zero))</div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> {</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> ++curTry;</div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <span class="keywordflow">if</span> (curTry &gt;= maxTries)</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> {</div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> <span class="keywordflow">return</span> {<a class="code hl_enumvalue" href="namespacexrpl.html#a09be2aabc0ac5f377a30d0e35dab0aeea37a5fb9e50cad28140d1e2425b0bd93e">telFAILED_PROCESSING</a>, std::move(ofrsToRmOnFail)};</div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> }</div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> </div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> activeStrands.activateNext(sb, limitQuality);</div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> </div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> ammContext.<a class="code hl_function" href="classxrpl_1_1AMMContext.html#a57ef2bc1fe927b1724c9cfc2e136a30d">setMultiPath</a>(activeStrands.size() &gt; 1);</div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> </div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> <span class="comment">// Limit only if one strand and limitQuality</span></div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> <span class="keyword">auto</span> <span class="keyword">const</span> limitRemainingOut = [&amp;]() {</div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> <span class="keywordflow">if</span> (activeStrands.size() == 1 &amp;&amp; limitQuality)</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> strand = activeStrands.get(0))</div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> <span class="keywordflow">return</span> limitOut(sb, *strand, remainingOut, *limitQuality);</div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> <span class="keywordflow">return</span> remainingOut;</div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> }();</div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> <span class="keyword">auto</span> <span class="keyword">const</span> adjustedRemOut = limitRemainingOut != remainingOut;</div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> </div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> boost::container::flat_set&lt;uint256&gt; ofrsToRm;</div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;BestStrand&gt;</a> best;</div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <span class="keywordflow">if</span> (flowDebugInfo)</div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> flowDebugInfo-&gt;newLiquidityPass();</div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> <span class="comment">// Index of strand to mark as inactive (remove from the active list) if</span></div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <span class="comment">// the liquidity is used. This is used for strands that consume too many</span></div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> <span class="comment">// offers Constructed as `false,0` to workaround a gcc warning about</span></div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <span class="comment">// uninitialized variables</span></div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::size_t&gt;</a> markInactiveOnUse;</div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> strandIndex = 0, sie = activeStrands.size(); strandIndex != sie; ++strandIndex)</div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> {</div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> Strand <span class="keyword">const</span>* strand = activeStrands.get(strandIndex);</div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> <span class="keywordflow">if</span> (!strand)</div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> {</div>
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> <span class="comment">// should not happen</span></div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> }</div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> <span class="comment">// Clear AMM liquidity used flag. The flag might still be set if</span></div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> <span class="comment">// the previous strand execution failed. It has to be reset</span></div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> <span class="comment">// since this strand might not have AMM liquidity.</span></div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> ammContext.<a class="code hl_function" href="classxrpl_1_1AMMContext.html#aa25b6d977e82d43569c74c5492fd771f">clear</a>();</div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> <span class="keywordflow">if</span> (offerCrossing &amp;&amp; limitQuality)</div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> {</div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> <span class="keyword">auto</span> <span class="keyword">const</span> strandQ = qualityUpperBound(sb, *strand);</div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> <span class="keywordflow">if</span> (!strandQ || *strandQ &lt; *limitQuality)</div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> }</div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> <span class="keyword">auto</span> f = flow&lt;TInAmt, TOutAmt&gt;(sb, *strand, remainingIn, limitRemainingOut, j);</div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> </div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> <span class="comment">// rm bad offers even if the strand fails</span></div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> <a class="code hl_function" href="namespacexrpl.html#a804f919d784aa60ae2e6510d86338e42">SetUnion</a>(ofrsToRm, f.ofrsToRm);</div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> </div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> offersConsidered += f.ofrsUsed;</div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> </div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> <span class="keywordflow">if</span> (!f.success || f.out == beast::zero)</div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> </div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> <span class="keywordflow">if</span> (flowDebugInfo)</div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> flowDebugInfo-&gt;pushLiquiditySrc(<a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a>(f.in), <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a>(f.out));</div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> </div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> f.out &lt;= remainingOut &amp;&amp; f.sandbox &amp;&amp; (!remainingIn || f.in &lt;= *remainingIn),</div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="stringliteral">&quot;xrpl::flow : remaining constraints&quot;</span>);</div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> </div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> Quality <span class="keyword">const</span> q(f.out, f.in);</div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> </div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) &lt;&lt; <span class="stringliteral">&quot;New flow iter (iter, in, out): &quot;</span> &lt;&lt; curTry - 1 &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(f.in) &lt;&lt; <span class="stringliteral">&quot; &quot;</span></div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(f.out);</div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> </div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> <span class="comment">// limitOut() finds output to generate exact requested</span></div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> <span class="comment">// limitQuality. But the actual limit quality might be slightly</span></div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span> <span class="comment">// off due to the round off.</span></div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> <span class="keywordflow">if</span> (limitQuality &amp;&amp; q &lt; *limitQuality &amp;&amp;</div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> (!adjustedRemOut || !<a class="code hl_function" href="namespacexrpl.html#ad64c4c59078876e1cf6f5c7203f815e0">withinRelativeDistance</a>(q, *limitQuality, <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a>(1, -7))))</div>
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> {</div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) &lt;&lt; <span class="stringliteral">&quot;Path rejected by limitQuality&quot;</span></div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> &lt;&lt; <span class="stringliteral">&quot; limit: &quot;</span> &lt;&lt; *limitQuality &lt;&lt; <span class="stringliteral">&quot; path q: &quot;</span> &lt;&lt; q;</div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> }</div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> </div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> XRPL_ASSERT(!best, <span class="stringliteral">&quot;xrpl::flow : best is unset&quot;</span>);</div>
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> <span class="keywordflow">if</span> (!f.inactive)</div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> activeStrands.push(strand);</div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> best.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/optional/emplace.html">emplace</a>(f.in, f.out, std::move(*f.sandbox), *strand, q);</div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> activeStrands.pushRemainingCurToNext(strandIndex + 1);</div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> }</div>
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> </div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> <span class="keywordtype">bool</span> <span class="keyword">const</span> shouldBreak = !best || offersConsidered &gt;= maxOffersToConsider;</div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> </div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> <span class="keywordflow">if</span> (best)</div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> {</div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> <span class="keywordflow">if</span> (markInactiveOnUse)</div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> {</div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> activeStrands.removeIndex(*markInactiveOnUse);</div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> markInactiveOnUse.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/optional/reset.html">reset</a>();</div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> }</div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> savedIns.insert(best-&gt;in);</div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> savedOuts.insert(best-&gt;out);</div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> remainingOut = outReq - <a class="code hl_function" href="namespacexrpl.html#a13870025615d01c1365680cfa94e6708">sum</a>(savedOuts);</div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> <span class="keywordflow">if</span> (sendMax)</div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> remainingIn = *sendMax - <a class="code hl_function" href="namespacexrpl.html#a13870025615d01c1365680cfa94e6708">sum</a>(savedIns);</div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> </div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> <span class="keywordflow">if</span> (flowDebugInfo)</div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> flowDebugInfo-&gt;pushPass(<a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a>(best-&gt;in), <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a>(best-&gt;out), activeStrands.size());</div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> </div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) &lt;&lt; <span class="stringliteral">&quot;Best path: in: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(best-&gt;in) &lt;&lt; <span class="stringliteral">&quot; out: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(best-&gt;out)</div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> &lt;&lt; <span class="stringliteral">&quot; remainingOut: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(remainingOut);</div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> </div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> best-&gt;sb.apply(sb);</div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> ammContext.<a class="code hl_function" href="classxrpl_1_1AMMContext.html#a816374660fedc9e6fe1796cff8bb277b">update</a>();</div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> }</div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> {</div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) &lt;&lt; <span class="stringliteral">&quot;All strands dry.&quot;</span>;</div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> }</div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> </div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> best.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/optional/reset.html">reset</a>(); <span class="comment">// view in best must be destroyed before modifying base</span></div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> <span class="comment">// view</span></div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> <span class="keywordflow">if</span> (!ofrsToRm.empty())</div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> {</div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> <a class="code hl_function" href="namespacexrpl.html#a804f919d784aa60ae2e6510d86338e42">SetUnion</a>(ofrsToRmOnFail, ofrsToRm);</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; o : ofrsToRm)</div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> {</div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> ok = sb.<a class="code hl_function" href="classxrpl_1_1detail_1_1ApplyViewBase.html#a8e192b7e2c20367a91d92ec36a73d297">peek</a>(<a class="code hl_function" href="namespacexrpl_1_1keylet.html#a8c47d57d12c3ebaf79976f6f73671092">keylet::offer</a>(o)))</div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> <a class="code hl_function" href="namespacexrpl.html#ab88e8fe757698a31c8cee668308bd916">offerDelete</a>(sb, ok, j);</div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> }</div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span> }</div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> </div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span> <span class="keywordflow">if</span> (shouldBreak)</div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> }</div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> </div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span> <span class="keyword">auto</span> <span class="keyword">const</span> actualOut = <a class="code hl_function" href="namespacexrpl.html#a13870025615d01c1365680cfa94e6708">sum</a>(savedOuts);</div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> <span class="keyword">auto</span> <span class="keyword">const</span> actualIn = <a class="code hl_function" href="namespacexrpl.html#a13870025615d01c1365680cfa94e6708">sum</a>(savedIns);</div>
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span> </div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) &lt;&lt; <span class="stringliteral">&quot;Total flow: in: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(actualIn) &lt;&lt; <span class="stringliteral">&quot; out: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(actualOut);</div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> </div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> <span class="comment">/* flowCross doesn&#39;t handle offer crossing with tfFillOrKill flag correctly.</span></div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span><span class="comment"> * 1. If tfFillOrKill is set then the owner must receive the full</span></div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span><span class="comment"> * TakerPays. We reverse pays and gets because during crossing</span></div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span><span class="comment"> * we are taking, therefore the owner must deliver the full TakerPays and</span></div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span><span class="comment"> * the entire TakerGets doesn&#39;t have to be spent.</span></div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span><span class="comment"> * Pre-fixFillOrKill amendment code fails if the entire TakerGets</span></div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span><span class="comment"> * is not spent. fixFillOrKill addresses this issue.</span></div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span><span class="comment"> * 2. If tfSell is also set then the owner must spend the entire TakerGets</span></div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span><span class="comment"> * even if it means obtaining more than TakerPays. Since the pays and gets</span></div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span><span class="comment"> * are reversed, the owner must send the entire TakerGets.</span></div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span><span class="comment"> */</span></div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> <span class="keywordtype">bool</span> <span class="keyword">const</span> fillOrKillEnabled = baseView.<a class="code hl_function" href="classxrpl_1_1detail_1_1ApplyViewBase.html#a9c12d6f219b062da0219efd06a0ae405">rules</a>().<a class="code hl_function" href="classxrpl_1_1Rules.html#a125114e27f806d1517096cbee50a2b04">enabled</a>(fixFillOrKill);</div>
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> </div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> <span class="keywordflow">if</span> (actualOut != outReq)</div>
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> {</div>
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span> <span class="keywordflow">if</span> (actualOut &gt; outReq)</div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> {</div>
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> <span class="comment">// Rounding in the payment engine is causing this assert to</span></div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> <span class="comment">// sometimes fire with &quot;dust&quot; amounts. This is causing issues when</span></div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> <span class="comment">// running debug builds of rippled. While this issue still needs to</span></div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> <span class="comment">// be resolved, the assert is causing more harm than good at this</span></div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> <span class="comment">// point.</span></div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> <span class="comment">// UNREACHABLE(&quot;xrpl::flow : rounding error&quot;);</span></div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> </div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> <span class="keywordflow">return</span> {<a class="code hl_enumvalue" href="namespacexrpl.html#a48cab8527194fbd1cfdacad90f977cf1ae9563887003d9149efcffae57b01165a">tefEXCEPTION</a>, std::move(ofrsToRmOnFail)};</div>
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> }</div>
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> <span class="keywordflow">if</span> (!partialPayment)</div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> {</div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> <span class="comment">// If we&#39;re offerCrossing a !partialPayment, then we&#39;re</span></div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> <span class="comment">// handling tfFillOrKill.</span></div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> <span class="comment">// Pre-fixFillOrKill amendment:</span></div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> <span class="comment">// That case is handled below; not here.</span></div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> <span class="comment">// fixFillOrKill amendment:</span></div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> <span class="comment">// That case is handled here if tfSell is also not set; i.e,</span></div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> <span class="comment">// case 1.</span></div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> <span class="keywordflow">if</span> (!offerCrossing || (fillOrKillEnabled &amp;&amp; offerCrossing != <a class="code hl_enumvalue" href="namespacexrpl.html#ae2eb3a547c409e2625b3aec23b15ef55a2168099b107c3f4403d9c2f5116aa605">OfferCrossing::sell</a>))</div>
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span> <span class="keywordflow">return</span> {<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba26bacb05f348fb9fb89a1eb54ceefc6d">tecPATH_PARTIAL</a>, actualIn, actualOut, std::move(ofrsToRmOnFail)};</div>
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span> }</div>
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (actualOut == beast::zero)</div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> {</div>
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> <span class="keywordflow">return</span> {<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba42408240f803abe8017433ecac4fe862">tecPATH_DRY</a>, std::move(ofrsToRmOnFail)};</div>
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> }</div>
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> }</div>
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> <span class="keywordflow">if</span> (offerCrossing &amp;&amp; (!partialPayment &amp;&amp; (!fillOrKillEnabled || offerCrossing == <a class="code hl_enumvalue" href="namespacexrpl.html#ae2eb3a547c409e2625b3aec23b15ef55a2168099b107c3f4403d9c2f5116aa605">OfferCrossing::sell</a>)))</div>
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> {</div>
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span> <span class="comment">// If we&#39;re offer crossing and partialPayment is *not* true, then</span></div>
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"> 771</span> <span class="comment">// we&#39;re handling a FillOrKill offer. In this case remainingIn must</span></div>
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span> <span class="comment">// be zero (all funds must be consumed) or else we kill the offer.</span></div>
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> <span class="comment">// Pre-fixFillOrKill amendment:</span></div>
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span> <span class="comment">// Handles both cases 1. and 2.</span></div>
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span> <span class="comment">// fixFillOrKill amendment:</span></div>
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> <span class="comment">// Handles 2. 1. is handled above and falls through for tfSell.</span></div>
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> XRPL_ASSERT(remainingIn, <span class="stringliteral">&quot;xrpl::flow : nonzero remainingIn&quot;</span>);</div>
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> <span class="keywordflow">if</span> (remainingIn &amp;&amp; *remainingIn != beast::zero)</div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> <span class="keywordflow">return</span> {<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba26bacb05f348fb9fb89a1eb54ceefc6d">tecPATH_PARTIAL</a>, actualIn, actualOut, std::move(ofrsToRmOnFail)};</div>
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> }</div>
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span> </div>
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> <span class="keywordflow">return</span> {actualIn, actualOut, std::move(sb), std::move(ofrsToRmOnFail)};</div>
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span>}</div>
</div>
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span> </div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span>} <span class="comment">// namespace xrpl</span></div>
<div class="ttc" id="aaccumulate_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/accumulate.html">std::accumulate</a></div><div class="ttdeci">T accumulate(T... args)</div></div>
<div class="ttc" id="aalgorithm_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a></div></div>
<div class="ttc" id="aall_any_none_of_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/all_any_none_of.html">std::any_of</a></div><div class="ttdeci">T any_of(T... args)</div></div>
<div class="ttc" id="abegin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/begin.html">std::vector::begin</a></div><div class="ttdeci">T begin(T... args)</div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html"><div class="ttname"><a href="classbeast_1_1Journal.html">beast::Journal</a></div><div class="ttdoc">A generic endpoint for log messages.</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00039">Journal.h:40</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_a3dfb8e2e3eecccdb5cf78ff21bca069c"><div class="ttname"><a href="classbeast_1_1Journal.html#a3dfb8e2e3eecccdb5cf78ff21bca069c">beast::Journal::fatal</a></div><div class="ttdeci">Stream fatal() const</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00324">Journal.h:324</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_abbe082bd27ca0f1d1365af2824e4f85b"><div class="ttname"><a href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">beast::Journal::trace</a></div><div class="ttdeci">Stream trace() const</div><div class="ttdoc">Severity stream access functions.</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00294">Journal.h:294</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_ad8fefe3e8ad583e1ed1bf02094ac3d8f"><div class="ttname"><a href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">beast::Journal::warn</a></div><div class="ttdeci">Stream warn() const</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00312">Journal.h:312</a></div></div>
<div class="ttc" id="aclassxrpl_1_1AMMContext_html"><div class="ttname"><a href="classxrpl_1_1AMMContext.html">xrpl::AMMContext</a></div><div class="ttdoc">Maintains AMM info per overall payment engine execution and individual iteration.</div><div class="ttdef"><b>Definition</b> <a href="AMMContext_8h_source.html#l00015">AMMContext.h:16</a></div></div>
<div class="ttc" id="aclassxrpl_1_1AMMContext_html_a57ef2bc1fe927b1724c9cfc2e136a30d"><div class="ttname"><a href="classxrpl_1_1AMMContext.html#a57ef2bc1fe927b1724c9cfc2e136a30d">xrpl::AMMContext::setMultiPath</a></div><div class="ttdeci">void setMultiPath(bool fs)</div><div class="ttdef"><b>Definition</b> <a href="AMMContext_8h_source.html#l00049">AMMContext.h:49</a></div></div>
<div class="ttc" id="aclassxrpl_1_1AMMContext_html_a816374660fedc9e6fe1796cff8bb277b"><div class="ttname"><a href="classxrpl_1_1AMMContext.html#a816374660fedc9e6fe1796cff8bb277b">xrpl::AMMContext::update</a></div><div class="ttdeci">void update()</div><div class="ttdef"><b>Definition</b> <a href="AMMContext_8h_source.html#l00061">AMMContext.h:61</a></div></div>
<div class="ttc" id="aclassxrpl_1_1AMMContext_html_aa25b6d977e82d43569c74c5492fd771f"><div class="ttname"><a href="classxrpl_1_1AMMContext.html#aa25b6d977e82d43569c74c5492fd771f">xrpl::AMMContext::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Strand execution may fail.</div><div class="ttdef"><b>Definition</b> <a href="AMMContext_8h_source.html#l00090">AMMContext.h:90</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Number_html"><div class="ttname"><a href="classxrpl_1_1Number.html">xrpl::Number</a></div><div class="ttdoc">Number is a floating point type that can represent a wide range of values.</div><div class="ttdef"><b>Definition</b> <a href="Number_8h_source.html#l00206">Number.h:207</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PaymentSandbox_html"><div class="ttname"><a href="classxrpl_1_1PaymentSandbox.html">xrpl::PaymentSandbox</a></div><div class="ttdoc">A wrapper which makes credits unavailable to balances.</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8h_source.html#l00088">PaymentSandbox.h:89</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Rules_html_a125114e27f806d1517096cbee50a2b04"><div class="ttname"><a href="classxrpl_1_1Rules.html#a125114e27f806d1517096cbee50a2b04">xrpl::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#l00118">Rules.cpp:118</a></div></div>
<div class="ttc" id="aclassxrpl_1_1STAmount_html_a2264776ce898ed1e4d158dc3bf257d44"><div class="ttname"><a href="classxrpl_1_1STAmount.html#a2264776ce898ed1e4d158dc3bf257d44">xrpl::STAmount::uRateOne</a></div><div class="ttdeci">static std::uint64_t const uRateOne</div><div class="ttdef"><b>Definition</b> <a href="STAmount_8h_source.html#l00062">STAmount.h:62</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1ApplyViewBase_html_a8e192b7e2c20367a91d92ec36a73d297"><div class="ttname"><a href="classxrpl_1_1detail_1_1ApplyViewBase.html#a8e192b7e2c20367a91d92ec36a73d297">xrpl::detail::ApplyViewBase::peek</a></div><div class="ttdeci">std::shared_ptr&lt; SLE &gt; peek(Keylet const &amp;k) override</div><div class="ttdoc">Prepare to modify the SLE associated with key.</div><div class="ttdef"><b>Definition</b> <a href="ApplyViewBase_8cpp_source.html#l00105">ApplyViewBase.cpp:105</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1ApplyViewBase_html_a9c12d6f219b062da0219efd06a0ae405"><div class="ttname"><a href="classxrpl_1_1detail_1_1ApplyViewBase.html#a9c12d6f219b062da0219efd06a0ae405">xrpl::detail::ApplyViewBase::rules</a></div><div class="ttdeci">Rules const &amp; rules() const override</div><div class="ttdoc">Returns the tx processing rules.</div><div class="ttdef"><b>Definition</b> <a href="ApplyViewBase_8cpp_source.html#l00031">ApplyViewBase.cpp:31</a></div></div>
<div class="ttc" id="aclear_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/clear.html">std::vector::clear</a></div><div class="ttdeci">T clear(T... args)</div></div>
<div class="ttc" id="adecay_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/decay.html">std::decay_t</a></div></div>
<div class="ttc" id="aemplace_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional/emplace.html">std::optional::emplace</a></div><div class="ttdeci">T emplace(T... args)</div></div>
<div class="ttc" id="aempty_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/empty.html">std::vector::empty</a></div><div class="ttdeci">T empty(T... args)</div></div>
<div class="ttc" id="aend_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/end.html">std::vector::end</a></div><div class="ttdeci">T end(T... args)</div></div>
<div class="ttc" id="aerase_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/erase.html">std::vector::erase</a></div><div class="ttdeci">T erase(T... args)</div></div>
<div class="ttc" id="ainsert_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/insert.html">std::vector::insert</a></div><div class="ttdeci">T insert(T... args)</div></div>
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_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="aiterator_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/iterator.html">iterator</a></div></div>
<div class="ttc" id="amake_optional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional/make_optional.html">std::make_optional</a></div><div class="ttdeci">T make_optional(T... args)</div></div>
<div class="ttc" id="amin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a></div><div class="ttdeci">T min(T... args)</div></div>
<div class="ttc" id="amove_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/ranges/move.html">std::ranges::move</a></div><div class="ttdeci">T move(T... args)</div></div>
<div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
<div class="ttc" id="anamespacexrpl_1_1credentials_html_ac22a251ba718f9ba07882d82901f5d84"><div class="ttname"><a href="namespacexrpl_1_1credentials.html#ac22a251ba718f9ba07882d82901f5d84">xrpl::credentials::valid</a></div><div class="ttdeci">TER valid(STTx const &amp;tx, ReadView const &amp;view, AccountID const &amp;src, beast::Journal j)</div><div class="ttdef"><b>Definition</b> <a href="CredentialHelpers_8cpp_source.html#l00124">CredentialHelpers.cpp:124</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1keylet_html_a8c47d57d12c3ebaf79976f6f73671092"><div class="ttname"><a href="namespacexrpl_1_1keylet.html#a8c47d57d12c3ebaf79976f6f73671092">xrpl::keylet::offer</a></div><div class="ttdeci">Keylet offer(AccountID const &amp;id, std::uint32_t seq) noexcept</div><div class="ttdoc">An offer from an account.</div><div class="ttdef"><b>Definition</b> <a href="Indexes_8cpp_source.html#l00235">Indexes.cpp:235</a></div></div>
<div class="ttc" id="anamespacexrpl_html"><div class="ttname"><a href="namespacexrpl.html">xrpl</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#l00005">algorithm.h:5</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a09be2aabc0ac5f377a30d0e35dab0aeea37a5fb9e50cad28140d1e2425b0bd93e"><div class="ttname"><a href="namespacexrpl.html#a09be2aabc0ac5f377a30d0e35dab0aeea37a5fb9e50cad28140d1e2425b0bd93e">xrpl::telFAILED_PROCESSING</a></div><div class="ttdeci">@ telFAILED_PROCESSING</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00036">TER.h:36</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a13870025615d01c1365680cfa94e6708"><div class="ttname"><a href="namespacexrpl.html#a13870025615d01c1365680cfa94e6708">xrpl::sum</a></div><div class="ttdeci">static auto sum(TCollection const &amp;col)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00872">BookStep.cpp:872</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a2d646f5411525178d9f1c9baa4be1b51"><div class="ttname"><a href="namespacexrpl.html#a2d646f5411525178d9f1c9baa4be1b51">xrpl::composed_quality</a></div><div class="ttdeci">Quality composed_quality(Quality const &amp;lhs, Quality const &amp;rhs)</div><div class="ttdef"><b>Definition</b> <a href="Quality_8cpp_source.html#l00111">Quality.cpp:111</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a34ee3250fe5995347b30f801f6945710"><div class="ttname"><a href="namespacexrpl.html#a34ee3250fe5995347b30f801f6945710">xrpl::limitStepOut</a></div><div class="ttdeci">static void limitStepOut(Offer const &amp;offer, TAmounts&lt; TIn, TOut &gt; &amp;ofrAmt, TAmounts&lt; TIn, TOut &gt; &amp;stpAmt, TOut &amp;ownerGives, std::uint32_t transferRateIn, std::uint32_t transferRateOut, TOut const &amp;limit)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00595">BookStep.cpp:595</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a35ce7572092b98720a52fa343c6f2fa9"><div class="ttname"><a href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">xrpl::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#l00597">base_uint.h:597</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a35eb8e7a63de05fb4478c7faa7bdc70b"><div class="ttname"><a href="namespacexrpl.html#a35eb8e7a63de05fb4478c7faa7bdc70b">xrpl::get</a></div><div class="ttdeci">T get(Section const &amp;section, std::string const &amp;name, T const &amp;defaultValue=T{})</div><div class="ttdoc">Retrieve a key/value pair from a section.</div><div class="ttdef"><b>Definition</b> <a href="BasicConfig_8h_source.html#l00325">BasicConfig.h:325</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a48cab8527194fbd1cfdacad90f977cf1ae9563887003d9149efcffae57b01165a"><div class="ttname"><a href="namespacexrpl.html#a48cab8527194fbd1cfdacad90f977cf1ae9563887003d9149efcffae57b01165a">xrpl::tefEXCEPTION</a></div><div class="ttdeci">@ tefEXCEPTION</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00152">TER.h:152</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a68545644b747368471f97d17192a054d"><div class="ttname"><a href="namespacexrpl.html#a68545644b747368471f97d17192a054d">xrpl::DebtDirection</a></div><div class="ttdeci">DebtDirection</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00022">Steps.h:22</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a68545644b747368471f97d17192a054dafe5fe0415fc3e0ff4942d8454f363d2c"><div class="ttname"><a href="namespacexrpl.html#a68545644b747368471f97d17192a054dafe5fe0415fc3e0ff4942d8454f363d2c">xrpl::DebtDirection::issues</a></div><div class="ttdeci">@ issues</div></div>
<div class="ttc" id="anamespacexrpl_html_a804f919d784aa60ae2e6510d86338e42"><div class="ttname"><a href="namespacexrpl.html#a804f919d784aa60ae2e6510d86338e42">xrpl::SetUnion</a></div><div class="ttdeci">void SetUnion(boost::container::flat_set&lt; T &gt; &amp;dst, boost::container::flat_set&lt; T &gt; const &amp;src)</div><div class="ttdoc">Given two flat sets dst and src, compute dst = dst union src.</div><div class="ttdef"><b>Definition</b> <a href="FlatSets_8h_source.html#l00015">FlatSets.h:15</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf"><div class="ttname"><a href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">xrpl::QualityDirection::in</a></div><div class="ttdeci">@ in</div></div>
<div class="ttc" id="anamespacexrpl_html_a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275"><div class="ttname"><a href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">xrpl::QualityDirection::out</a></div><div class="ttdeci">@ out</div></div>
<div class="ttc" id="anamespacexrpl_html_a9533bc3141d1e147db280797157ea5b4"><div class="ttname"><a href="namespacexrpl.html#a9533bc3141d1e147db280797157ea5b4">xrpl::flow</a></div><div class="ttdeci">StrandResult&lt; TInAmt, TOutAmt &gt; flow(PaymentSandbox const &amp;baseView, Strand const &amp;strand, std::optional&lt; TInAmt &gt; const &amp;maxIn, TOutAmt const &amp;out, beast::Journal j)</div><div class="ttdoc">Request out amount from a strand.</div><div class="ttdef"><b>Definition</b> <a href="StrandFlow_8h_source.html#l00081">StrandFlow.h:81</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ab88e8fe757698a31c8cee668308bd916"><div class="ttname"><a href="namespacexrpl.html#ab88e8fe757698a31c8cee668308bd916">xrpl::offerDelete</a></div><div class="ttdeci">TER offerDelete(ApplyView &amp;view, std::shared_ptr&lt; SLE &gt; const &amp;sle, beast::Journal j)</div><div class="ttdoc">Delete an offer.</div><div class="ttdef"><b>Definition</b> <a href="View_8cpp_source.html#l01672">View.cpp:1672</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ad3f19437b8e0429d263377774bf920fc"><div class="ttname"><a href="namespacexrpl.html#ad3f19437b8e0429d263377774bf920fc">xrpl::Result</a></div><div class="ttdeci">boost::outcome_v2::result&lt; T, std::error_code &gt; Result</div><div class="ttdef"><b>Definition</b> <a href="b58__utils_8h_source.html#l00017">b58_utils.h:17</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ad64c4c59078876e1cf6f5c7203f815e0"><div class="ttname"><a href="namespacexrpl.html#ad64c4c59078876e1cf6f5c7203f815e0">xrpl::withinRelativeDistance</a></div><div class="ttdeci">bool withinRelativeDistance(Quality const &amp;calcQuality, Quality const &amp;reqQuality, Number const &amp;dist)</div><div class="ttdoc">Check if the relative distance between the qualities is within the requested distance.</div><div class="ttdef"><b>Definition</b> <a href="AMMHelpers_8h_source.html#l00098">AMMHelpers.h:98</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ad78c115958eec639754bf9227f58556ba26bacb05f348fb9fb89a1eb54ceefc6d"><div class="ttname"><a href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba26bacb05f348fb9fb89a1eb54ceefc6d">xrpl::tecPATH_PARTIAL</a></div><div class="ttdeci">@ tecPATH_PARTIAL</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00263">TER.h:263</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ad78c115958eec639754bf9227f58556ba42408240f803abe8017433ecac4fe862"><div class="ttname"><a href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba42408240f803abe8017433ecac4fe862">xrpl::tecPATH_DRY</a></div><div class="ttdeci">@ tecPATH_DRY</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00275">TER.h:275</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ae2eb3a547c409e2625b3aec23b15ef55"><div class="ttname"><a href="namespacexrpl.html#ae2eb3a547c409e2625b3aec23b15ef55">xrpl::OfferCrossing</a></div><div class="ttdeci">OfferCrossing</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00025">Steps.h:25</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ae2eb3a547c409e2625b3aec23b15ef55a2168099b107c3f4403d9c2f5116aa605"><div class="ttname"><a href="namespacexrpl.html#ae2eb3a547c409e2625b3aec23b15ef55a2168099b107c3f4403d9c2f5116aa605">xrpl::sell</a></div><div class="ttdeci">@ sell</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00025">Steps.h:25</a></div></div>
<div class="ttc" id="anext_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/next.html">std::next</a></div><div class="ttdeci">T next(T... args)</div></div>
<div class="ttc" id="anumeric_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/numeric.html">numeric</a></div></div>
<div class="ttc" id="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="apush_back_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">std::vector::push_back</a></div><div class="ttdeci">T push_back(T... args)</div></div>
<div class="ttc" id="areserve_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/reserve.html">std::vector::reserve</a></div><div class="ttdeci">T reserve(T... args)</div></div>
<div class="ttc" id="areset_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional/reset.html">std::optional::reset</a></div><div class="ttdeci">T reset(T... args)</div></div>
<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/size.html">std::vector::size</a></div><div class="ttdeci">T size(T... args)</div></div>
<div class="ttc" id="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="astable_sort_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/stable_sort.html">std::stable_sort</a></div><div class="ttdeci">T stable_sort(T... args)</div></div>
<div class="ttc" id="astructxrpl_1_1EitherAmount_html"><div class="ttname"><a href="structxrpl_1_1EitherAmount.html">xrpl::EitherAmount</a></div><div class="ttdef"><b>Definition</b> <a href="AmountSpec_8h_source.html#l00039">AmountSpec.h:40</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandResult_html"><div class="ttname"><a href="structxrpl_1_1StrandResult.html">xrpl::StrandResult</a></div><div class="ttdoc">Result of flow() execution of a single Strand.</div><div class="ttdef"><b>Definition</b> <a href="StrandFlow_8h_source.html#l00027">StrandFlow.h:28</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandResult_html_a1dc7f25df4914df66733bb8666a08810"><div class="ttname"><a href="structxrpl_1_1StrandResult.html#a1dc7f25df4914df66733bb8666a08810">xrpl::StrandResult::out</a></div><div class="ttdeci">TOutAmt out</div><div class="ttdoc">Currency amount out.</div><div class="ttdef"><b>Definition</b> <a href="StrandFlow_8h_source.html#l00031">StrandFlow.h:31</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandResult_html_a2a4d5798697d52be965ac70643b87d3e"><div class="ttname"><a href="structxrpl_1_1StrandResult.html#a2a4d5798697d52be965ac70643b87d3e">xrpl::StrandResult::ofrsToRm</a></div><div class="ttdeci">boost::container::flat_set&lt; uint256 &gt; ofrsToRm</div><div class="ttdoc">Offers to remove.</div><div class="ttdef"><b>Definition</b> <a href="StrandFlow_8h_source.html#l00033">StrandFlow.h:33</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandResult_html_a34bab6b88188dfda114fa243a68e2af4"><div class="ttname"><a href="structxrpl_1_1StrandResult.html#a34bab6b88188dfda114fa243a68e2af4">xrpl::StrandResult::sandbox</a></div><div class="ttdeci">std::optional&lt; PaymentSandbox &gt; sandbox</div><div class="ttdoc">Resulting Sandbox state.</div><div class="ttdef"><b>Definition</b> <a href="StrandFlow_8h_source.html#l00032">StrandFlow.h:32</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandResult_html_a3d383cef4b833d9bdadbb25f53f12fea"><div class="ttname"><a href="structxrpl_1_1StrandResult.html#a3d383cef4b833d9bdadbb25f53f12fea">xrpl::StrandResult::success</a></div><div class="ttdeci">bool success</div><div class="ttdoc">Strand succeeded.</div><div class="ttdef"><b>Definition</b> <a href="StrandFlow_8h_source.html#l00029">StrandFlow.h:29</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandResult_html_a73d117f2f1d575c51745165473c08293"><div class="ttname"><a href="structxrpl_1_1StrandResult.html#a73d117f2f1d575c51745165473c08293">xrpl::StrandResult::ofrsUsed</a></div><div class="ttdeci">std::uint32_t ofrsUsed</div><div class="ttdef"><b>Definition</b> <a href="StrandFlow_8h_source.html#l00036">StrandFlow.h:36</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandResult_html_a8c90f8283af4f5595c60fc2955cf2440"><div class="ttname"><a href="structxrpl_1_1StrandResult.html#a8c90f8283af4f5595c60fc2955cf2440">xrpl::StrandResult::StrandResult</a></div><div class="ttdeci">StrandResult()=default</div><div class="ttdoc">Strand result constructor.</div></div>
<div class="ttc" id="astructxrpl_1_1StrandResult_html_acfce2ba8ca93532679a5f40243d37ea6"><div class="ttname"><a href="structxrpl_1_1StrandResult.html#acfce2ba8ca93532679a5f40243d37ea6">xrpl::StrandResult::StrandResult</a></div><div class="ttdeci">StrandResult(Strand const &amp;strand, TInAmt const &amp;in_, TOutAmt const &amp;out_, PaymentSandbox &amp;&amp;sandbox_, boost::container::flat_set&lt; uint256 &gt; ofrsToRm_, bool inactive_)</div><div class="ttdef"><b>Definition</b> <a href="StrandFlow_8h_source.html#l00045">StrandFlow.h:45</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandResult_html_add483f66655cb43b932454d6c8cf3a63"><div class="ttname"><a href="structxrpl_1_1StrandResult.html#add483f66655cb43b932454d6c8cf3a63">xrpl::StrandResult::StrandResult</a></div><div class="ttdeci">StrandResult(Strand const &amp;strand, boost::container::flat_set&lt; uint256 &gt; ofrsToRm_)</div><div class="ttdef"><b>Definition</b> <a href="StrandFlow_8h_source.html#l00062">StrandFlow.h:62</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandResult_html_aee586c07e247601a98477bfd4027ead0"><div class="ttname"><a href="structxrpl_1_1StrandResult.html#aee586c07e247601a98477bfd4027ead0">xrpl::StrandResult::in</a></div><div class="ttdeci">TInAmt in</div><div class="ttdoc">Currency amount in.</div><div class="ttdef"><b>Definition</b> <a href="StrandFlow_8h_source.html#l00030">StrandFlow.h:30</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandResult_html_af0557b7d3dcfe6bf0a37d0fc9aec0378"><div class="ttname"><a href="structxrpl_1_1StrandResult.html#af0557b7d3dcfe6bf0a37d0fc9aec0378">xrpl::StrandResult::inactive</a></div><div class="ttdeci">bool inactive</div><div class="ttdoc">Strand should not considered as a further source of liquidity (dry)</div><div class="ttdef"><b>Definition</b> <a href="StrandFlow_8h_source.html#l00039">StrandFlow.h:39</a></div></div>
<div class="ttc" id="astructxrpl_1_1path_1_1detail_1_1FlowDebugInfo_html"><div class="ttname"><a href="structxrpl_1_1path_1_1detail_1_1FlowDebugInfo.html">xrpl::path::detail::FlowDebugInfo</a></div><div class="ttdef"><b>Definition</b> <a href="FlowDebugInfo_8h_source.html#l00019">FlowDebugInfo.h:20</a></div></div>
<div class="ttc" id="aswap_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/swap.html">std::swap</a></div><div class="ttdeci">T swap(T... args)</div></div>
<div class="ttc" id="atie_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/tuple/tie.html">std::tie</a></div><div class="ttdeci">T tie(T... args)</div></div>
<div class="ttc" id="aunique_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr</a></div></div>
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a></div></div>
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