ARCHIVE/rippled
1
0
Fork 0
mirror of https://github.com/XRPLF/rippled.git synced 2026-02-01 12:35:22 +00:00
Code Issues Packages Projects Releases Wiki Activity
Files
gh-pages
rippled/DirectStep_8cpp_source.html
bthomee 9368c0d563 deploy: 5f638f5553
2026-01-28 10:13:01 -08:00

1195 lines
239 KiB
HTML
Raw Permalink Blame History

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.9.8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>rippled: DirectStep.cpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr id="projectrow">
<td id="projectalign">
<div id="projectname">rippled
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.8 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search/",'.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(document).ready(function() { init_codefold(0); });
/* @license-end */
</script>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<div id="MSearchResults">
<div class="SRPage">
<div id="SRIndex">
<div id="SRResults"></div>
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</div>
</div>
</div>
<div id="nav-path" class="navpath">
<ul>
<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>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle"><div class="title">DirectStep.cpp</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include &lt;xrpld/app/paths/detail/StepChecks.h&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#include &lt;xrpld/app/paths/detail/Steps.h&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;xrpl/basics/Log.h&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &lt;xrpl/ledger/Credit.h&gt;</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;xrpl/ledger/PaymentSandbox.h&gt;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &lt;xrpl/protocol/Feature.h&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &lt;xrpl/protocol/IOUAmount.h&gt;</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include &lt;xrpl/protocol/Quality.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;boost/container/flat_set.hpp&gt;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</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="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/sstream.html">sstream</a>&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacexrpl.html">xrpl</a> {</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="foldopen" id="foldopen00019" data-start="{" data-end="};">
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html"> 19</a></span><span class="keyword">class </span><a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI</a> : <span class="keyword">public</span> StepImp&lt;IOUAmount, IOUAmount, DirectStepI&lt;TDerived&gt;&gt;</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span>{</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b"> 22</a></span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a>;</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7"> 23</a></span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>;</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#ac87c670f2a55c28f8b9d314731f7e9c0"> 24</a></span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">Currency</a> <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ac87c670f2a55c28f8b9d314731f7e9c0">currency_</a>;</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// Charge transfer fees when the prev step redeems</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a0060ab57a1aa71d65dd68068aa6686f9"> 27</a></span> <a class="code hl_class" href="classxrpl_1_1Step.html">Step</a> <span class="keyword">const</span>* <span class="keyword">const</span> <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#a0060ab57a1aa71d65dd68068aa6686f9">prevStep_</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a2fe1bfedeae4608b7e1229dabe7bc728"> 28</a></span> <span class="keywordtype">bool</span> <span class="keyword">const</span> <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#a2fe1bfedeae4608b7e1229dabe7bc728">isLast_</a>;</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a9cb599dcc3c34b423800b572b19c26cd"> 29</a></span> <a class="code hl_class" href="classbeast_1_1Journal.html">beast::Journal</a> <span class="keyword">const</span> <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#a9cb599dcc3c34b423800b572b19c26cd">j_</a>;</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="foldopen" id="foldopen00031" data-start="{" data-end="};">
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"><a class="line" href="structxrpl_1_1DirectStepI_1_1Cache.html"> 31</a></span> <span class="keyword">struct </span><a class="code hl_struct" href="structxrpl_1_1DirectStepI_1_1Cache.html">Cache</a></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> {</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="structxrpl_1_1DirectStepI_1_1Cache.html#a3a7eec18e18bfff5a3b1aa862311284b"> 33</a></span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <a class="code hl_variable" href="structxrpl_1_1DirectStepI_1_1Cache.html#a3a7eec18e18bfff5a3b1aa862311284b">in</a>;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="structxrpl_1_1DirectStepI_1_1Cache.html#a02d884398b4b3fac7ff7666cbc0207f8"> 34</a></span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <a class="code hl_variable" href="structxrpl_1_1DirectStepI_1_1Cache.html#a02d884398b4b3fac7ff7666cbc0207f8">srcToDst</a>;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"><a class="line" href="structxrpl_1_1DirectStepI_1_1Cache.html#afb5f5c2ae2fb14a893a6e49876cffb52"> 35</a></span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <a class="code hl_variable" href="structxrpl_1_1DirectStepI_1_1Cache.html#afb5f5c2ae2fb14a893a6e49876cffb52">out</a>;</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"><a class="line" href="structxrpl_1_1DirectStepI_1_1Cache.html#a92a9039875fdffb7402abb2883aa75a2"> 36</a></span> <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> <a class="code hl_variable" href="structxrpl_1_1DirectStepI_1_1Cache.html#a92a9039875fdffb7402abb2883aa75a2">srcDebtDir</a>;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="foldopen" id="foldopen00038" data-start="{" data-end="}">
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="structxrpl_1_1DirectStepI_1_1Cache.html#a4ca6b5495c038e49ae13d3a21736ea0a"> 38</a></span> <a class="code hl_function" href="structxrpl_1_1DirectStepI_1_1Cache.html#a4ca6b5495c038e49ae13d3a21736ea0a">Cache</a>(<a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; in_, <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; srcToDst_, <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; out_, <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> srcDebtDir_)</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> : <a class="code hl_variable" href="structxrpl_1_1DirectStepI_1_1Cache.html#a3a7eec18e18bfff5a3b1aa862311284b">in</a>(in_), <a class="code hl_variable" href="structxrpl_1_1DirectStepI_1_1Cache.html#a02d884398b4b3fac7ff7666cbc0207f8">srcToDst</a>(srcToDst_), <a class="code hl_variable" href="structxrpl_1_1DirectStepI_1_1Cache.html#afb5f5c2ae2fb14a893a6e49876cffb52">out</a>(out_), <a class="code hl_variable" href="structxrpl_1_1DirectStepI_1_1Cache.html#a92a9039875fdffb7402abb2883aa75a2">srcDebtDir</a>(srcDebtDir_)</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> {</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> }</div>
</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> };</div>
</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#ab170c3f1acead6d99718f992e13e945f"> 44</a></span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Cache&gt;</a> <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ab170c3f1acead6d99718f992e13e945f">cache_</a>;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// Compute the maximum value that can flow from src-&gt;dst at</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// the best available quality.</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// return: first element is max amount that can flow,</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// second is the debt direction of the source w.r.t. the dst</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;IOUAmount, DebtDirection&gt;</a></div>
<div class="foldopen" id="foldopen00051" data-start="{" data-end="}">
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#acb7157ea8b7332c77bfcfd4402cefa51"> 51</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#acb7157ea8b7332c77bfcfd4402cefa51">maxPaymentFlow</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// Compute srcQOut and dstQIn when the source redeems.</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;std::uint32_t, std::uint32_t&gt;</a></div>
<div class="foldopen" id="foldopen00055" data-start="{" data-end="}">
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a1b2408fa8f54f685acfe928a48e11179"> 55</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a1b2408fa8f54f685acfe928a48e11179">qualitiesSrcRedeems</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// Compute srcQOut and dstQIn when the source issues.</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;std::uint32_t, std::uint32_t&gt;</a></div>
<div class="foldopen" id="foldopen00059" data-start="{" data-end="}">
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a144de8159f9b690f477d24f0e04c58c5"> 59</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a144de8159f9b690f477d24f0e04c58c5">qualitiesSrcIssues</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> prevStepDebtDirection) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// Returns srcQOut, dstQIn</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;std::uint32_t, std::uint32_t&gt;</a></div>
<div class="foldopen" id="foldopen00063" data-start="{" data-end="}">
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#ac1c7a27321c0eac5fc0b83fbb574fb21"> 63</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#ac1c7a27321c0eac5fc0b83fbb574fb21">qualities</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> srcDebtDir, <a class="code hl_enumeration" href="namespacexrpl.html#a79a793a19f9bf2aad6e7b82772743ae8">StrandDirection</a> strandDir) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="keyword">public</span>:</div>
<div class="foldopen" id="foldopen00066" data-start="{" data-end="}">
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a3fdfa39f57139fd12359e29a10d77073"> 66</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a3fdfa39f57139fd12359e29a10d77073">DirectStepI</a>(<a class="code hl_struct" href="structxrpl_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx, <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a6622aef8eac49dd42d83676b8b88eb07">src</a>, <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a7c9daf403ab38e09a6d45ce8182178ca">dst</a>, <a class="code hl_class" href="classxrpl_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp; c)</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> : <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a>(<a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a6622aef8eac49dd42d83676b8b88eb07">src</a>), <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>(<a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a7c9daf403ab38e09a6d45ce8182178ca">dst</a>), <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ac87c670f2a55c28f8b9d314731f7e9c0">currency_</a>(c), <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#a0060ab57a1aa71d65dd68068aa6686f9">prevStep_</a>(ctx.prevStep), <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#a2fe1bfedeae4608b7e1229dabe7bc728">isLast_</a>(ctx.isLast), <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#a9cb599dcc3c34b423800b572b19c26cd">j_</a>(ctx.j)</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> {</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> }</div>
</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp;</div>
<div class="foldopen" id="foldopen00072" data-start="{" data-end="}">
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a6622aef8eac49dd42d83676b8b88eb07"> 72</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a6622aef8eac49dd42d83676b8b88eb07">src</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a>;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> }</div>
</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp;</div>
<div class="foldopen" id="foldopen00077" data-start="{" data-end="}">
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a7c9daf403ab38e09a6d45ce8182178ca"> 77</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a7c9daf403ab38e09a6d45ce8182178ca">dst</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> }</div>
</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp;</div>
<div class="foldopen" id="foldopen00082" data-start="{" data-end="}">
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a0a0d969b32f7a4fd7b7c857a271b9632"> 82</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a0a0d969b32f7a4fd7b7c857a271b9632">currency</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ac87c670f2a55c28f8b9d314731f7e9c0">currency_</a>;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> }</div>
</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;EitherAmount&gt;</a></div>
<div class="foldopen" id="foldopen00088" data-start="{" data-end="}">
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#aec8c5c9eefd9268e345da2954b8cf5cf"> 88</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#aec8c5c9eefd9268e345da2954b8cf5cf">cachedIn</a>()<span class="keyword"> const override</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ab170c3f1acead6d99718f992e13e945f">cache_</a>)</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</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="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a>(<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ab170c3f1acead6d99718f992e13e945f">cache_</a>-&gt;in);</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> }</div>
</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;EitherAmount&gt;</a></div>
<div class="foldopen" id="foldopen00096" data-start="{" data-end="}">
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a71261ada058249286520f1c10928755f"> 96</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a71261ada058249286520f1c10928755f">cachedOut</a>()<span class="keyword"> const override</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ab170c3f1acead6d99718f992e13e945f">cache_</a>)</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</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="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a>(<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ab170c3f1acead6d99718f992e13e945f">cache_</a>-&gt;out);</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> }</div>
</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;AccountID&gt;</a></div>
<div class="foldopen" id="foldopen00104" data-start="{" data-end="}">
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a79f447ff8fe1c29be51b4a058c57f375"> 104</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a79f447ff8fe1c29be51b4a058c57f375">directStepSrcAcct</a>()<span class="keyword"> const override</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a>;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> }</div>
</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::pair&lt;AccountID, AccountID&gt;</a>&gt;</div>
<div class="foldopen" id="foldopen00110" data-start="{" data-end="}">
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#ab2a64971fcaedc85bfaacf741e5c8d9f"> 110</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#ab2a64971fcaedc85bfaacf741e5c8d9f">directStepAccts</a>()<span class="keyword"> const override</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/pair/make_pair.html">std::make_pair</a>(<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a>, <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>);</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> }</div>
</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a></div>
<div class="foldopen" id="foldopen00116" data-start="{" data-end="}">
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#ad4ab2e0673033b1b09f4b3ef925983e5"> 116</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#ad4ab2e0673033b1b09f4b3ef925983e5">debtDirection</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_enumeration" href="namespacexrpl.html#a79a793a19f9bf2aad6e7b82772743ae8">StrandDirection</a> dir) <span class="keyword">const override</span>;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
<div class="foldopen" id="foldopen00119" data-start="{" data-end="}">
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#aaea2f02456184267515e3a995d29935f"> 119</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#aaea2f02456184267515e3a995d29935f">lineQualityIn</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; v) <span class="keyword">const override</span>;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;std::optional&lt;Quality&gt;</a>, <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a>&gt;</div>
<div class="foldopen" id="foldopen00122" data-start="{" data-end="}">
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a967af186e13664b9d8e2d4f73f462877"> 122</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a967af186e13664b9d8e2d4f73f462877">qualityUpperBound</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; v, <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> dir) <span class="keyword">const override</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;IOUAmount, IOUAmount&gt;</a></div>
<div class="foldopen" id="foldopen00125" data-start="{" data-end="}">
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a068dd5f7eb4fd1cedc19cce1dff5791e"> 125</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a068dd5f7eb4fd1cedc19cce1dff5791e">revImp</a>(<a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb, <a class="code hl_class" href="classxrpl_1_1ApplyView.html">ApplyView</a>&amp; afView, boost::container::flat_set&lt;uint256&gt;&amp; ofrsToRm, <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>);</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;IOUAmount, IOUAmount&gt;</a></div>
<div class="foldopen" id="foldopen00128" data-start="{" data-end="}">
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a45a6c1a345bfd75064e79770b776cb45"> 128</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a45a6c1a345bfd75064e79770b776cb45">fwdImp</a>(<a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb, <a class="code hl_class" href="classxrpl_1_1ApplyView.html">ApplyView</a>&amp; afView, boost::container::flat_set&lt;uint256&gt;&amp; ofrsToRm, <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>);</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;bool, EitherAmount&gt;</a></div>
<div class="foldopen" id="foldopen00131" data-start="{" data-end="}">
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#abf7c68ea644197534d3c1a61b7e5456e"> 131</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#abf7c68ea644197534d3c1a61b7e5456e">validFwd</a>(<a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb, <a class="code hl_class" href="classxrpl_1_1ApplyView.html">ApplyView</a>&amp; afView, <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// Check for error, existing liquidity, and violations of auth/frozen</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// constraints.</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <a class="code hl_class" href="classxrpl_1_1TERSubset.html">TER</a></div>
<div class="foldopen" id="foldopen00136" data-start="{" data-end="}">
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#ae1e97a1eaf635ed67ef01d284953409f"> 136</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#ae1e97a1eaf635ed67ef01d284953409f">check</a>(<a class="code hl_struct" href="structxrpl_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00139" data-start="{" data-end="}">
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a46e7e75ed5297af51198b2b50f8d7d6e"> 139</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a46e7e75ed5297af51198b2b50f8d7d6e">setCacheLimiting</a>(</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; fwdIn,</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; fwdSrcToDst,</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; fwdOut,</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> srcDebtDir);</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">friend</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00146" data-start="{" data-end="};">
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a94356051b68af995c7fb65da2cde9b05"> 146</a></span> <a class="code hl_friend" href="classxrpl_1_1DirectStepI.html#a94356051b68af995c7fb65da2cde9b05">operator==</a>(<a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI</a> <span class="keyword">const</span>&amp; lhs, <a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI</a> <span class="keyword">const</span>&amp; rhs)</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> {</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keywordflow">return</span> lhs.<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a> == rhs.<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a> &amp;&amp; lhs.<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a> == rhs.<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a> &amp;&amp; lhs.<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ac87c670f2a55c28f8b9d314731f7e9c0">currency_</a> == rhs.<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ac87c670f2a55c28f8b9d314731f7e9c0">currency_</a>;</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> }</div>
</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> </div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keyword">friend</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00152" data-start="{" data-end="};">
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#ae9a7f7037aa6915d13be318b11441f7c"> 152</a></span> <a class="code hl_friend" href="classxrpl_1_1DirectStepI.html#ae9a7f7037aa6915d13be318b11441f7c">operator!=</a>(<a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI</a> <span class="keyword">const</span>&amp; lhs, <a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI</a> <span class="keyword">const</span>&amp; rhs)</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> {</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">return</span> !(lhs == rhs);</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> }</div>
</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="foldopen" id="foldopen00159" data-start="{" data-end="}">
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#aa1f12a402d5633ac08d610f124bdb9d5"> 159</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#aa1f12a402d5633ac08d610f124bdb9d5">logStringImpl</a>(<span class="keywordtype">char</span> <span class="keyword">const</span>* name)<span class="keyword"> const</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/basic_ostringstream.html">std::ostringstream</a> ostr;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> ostr &lt;&lt; name &lt;&lt; <span class="stringliteral">&quot;: &quot;</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> &lt;&lt; <span class="stringliteral">&quot;\nSrc: &quot;</span> &lt;&lt; <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a> &lt;&lt; <span class="stringliteral">&quot;\nDst: &quot;</span> &lt;&lt; <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">return</span> ostr.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/io/basic_ostringstream/str.html">str</a>();</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> }</div>
</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00169" data-start="{" data-end="}">
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a2c0a1d29366bf51ad45a720f0f255f3b"> 169</a></span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a2c0a1d29366bf51ad45a720f0f255f3b">equal</a>(<a class="code hl_class" href="classxrpl_1_1Step.html">Step</a> <span class="keyword">const</span>&amp; rhs)<span class="keyword"> const override</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> ds = <span class="keyword">dynamic_cast&lt;</span><a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI</a> const*<span class="keyword">&gt;</span>(&amp;rhs))</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> {</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">return</span> *<span class="keyword">this</span> == *ds;</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">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> }</div>
</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span>};</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span><span class="comment">// Flow is used in two different circumstances for transferring funds:</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span><span class="comment">// o Payments, and</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span><span class="comment">// o Offer crossing.</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span><span class="comment">// The rules for handling funds in these two cases are almost, but not</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span><span class="comment">// quite, the same.</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span><span class="comment">// Payment DirectStep class (not offer crossing).</span></div>
<div class="foldopen" id="foldopen00188" data-start="{" data-end="};">
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIPaymentStep.html"> 188</a></span><span class="keyword">class </span><a class="code hl_class" href="classxrpl_1_1DirectIPaymentStep.html">DirectIPaymentStep</a> : <span class="keyword">public</span> <a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI</a>&lt;DirectIPaymentStep&gt;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span>{</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keyword">using </span><a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI</a>&lt;<a class="code hl_class" href="classxrpl_1_1DirectIPaymentStep.html">DirectIPaymentStep</a>&gt;::DirectStepI;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keyword">using </span><a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI</a>&lt;<a class="code hl_class" href="classxrpl_1_1DirectIPaymentStep.html">DirectIPaymentStep</a>&gt;<a class="code hl_function" href="classxrpl_1_1DirectIPaymentStep.html#a8e9e9a2646c8e6a2ba398051e08c724f">::check</a>;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00195" data-start="{" data-end="}">
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIPaymentStep.html#a66dd3d74b036ebb42f363b4377715342"> 195</a></span> <a class="code hl_function" href="classxrpl_1_1DirectIPaymentStep.html#a66dd3d74b036ebb42f363b4377715342">verifyPrevStepDebtDirection</a>(<a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a>)<span class="keyword"> const</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="comment">// A payment doesn&#39;t care whether or not prevStepRedeems.</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> }</div>
</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> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00202" data-start="{" data-end="}">
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIPaymentStep.html#a0545a1409678a63f0ffc6d6d098cec3d"> 202</a></span> <a class="code hl_function" href="classxrpl_1_1DirectIPaymentStep.html#a0545a1409678a63f0ffc6d6d098cec3d">verifyDstQualityIn</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> dstQIn)<span class="keyword"> const</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="comment">// Payments have no particular expectations for what dstQIn will be.</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> }</div>
</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> </div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <a class="code hl_function" href="classxrpl_1_1DirectIPaymentStep.html#a216e2c246cd3d7bde264f29bda1467e9">quality</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_enumeration" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72d">QualityDirection</a> qDir) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="comment">// Compute the maximum value that can flow from src-&gt;dst at</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="comment">// the best available quality.</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="comment">// return: first element is max amount that can flow,</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// second is the debt direction w.r.t. the source account</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;IOUAmount, DebtDirection&gt;</a></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <a class="code hl_function" href="classxrpl_1_1DirectIPaymentStep.html#a47ad82d0c960f8a7dda518a8f2fe25d7">maxFlow</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; desired) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> </div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="comment">// Verify the consistency of the step. These checks are specific to</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// payments and assume that general checks were already performed.</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <a class="code hl_class" href="classxrpl_1_1TERSubset.html">TER</a></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <a class="code hl_function" href="classxrpl_1_1DirectIPaymentStep.html#a8e9e9a2646c8e6a2ba398051e08c724f">check</a>(<a class="code hl_struct" href="structxrpl_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;const SLE&gt;</a> <span class="keyword">const</span>&amp; sleSrc) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="foldopen" id="foldopen00224" data-start="{" data-end="}">
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIPaymentStep.html#acf5c386fe310e088b69d53ef76ceff51"> 224</a></span> <a class="code hl_function" href="classxrpl_1_1DirectIPaymentStep.html#acf5c386fe310e088b69d53ef76ceff51">logString</a>()<span class="keyword"> const override</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span><span class="keyword"> </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_function" href="classxrpl_1_1DirectStepI.html#aa1f12a402d5633ac08d610f124bdb9d5">logStringImpl</a>(<span class="stringliteral">&quot;DirectIPaymentStep&quot;</span>);</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> }</div>
</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span>};</div>
</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span><span class="comment">// Offer crossing DirectStep class (not a payment).</span></div>
<div class="foldopen" id="foldopen00231" data-start="{" data-end="};">
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIOfferCrossingStep.html"> 231</a></span><span class="keyword">class </span><a class="code hl_class" href="classxrpl_1_1DirectIOfferCrossingStep.html">DirectIOfferCrossingStep</a> : <span class="keyword">public</span> <a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI</a>&lt;DirectIOfferCrossingStep&gt;</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">public</span>:</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keyword">using </span><a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI</a>&lt;<a class="code hl_class" href="classxrpl_1_1DirectIOfferCrossingStep.html">DirectIOfferCrossingStep</a>&gt;::DirectStepI;</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keyword">using </span><a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI</a>&lt;<a class="code hl_class" href="classxrpl_1_1DirectIOfferCrossingStep.html">DirectIOfferCrossingStep</a>&gt;<a class="code hl_function" href="classxrpl_1_1DirectIOfferCrossingStep.html#afd768f85c7dada76881e8d3d08c69b24">::check</a>;</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> </div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00238" data-start="{" data-end="}">
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIOfferCrossingStep.html#abd7947d7cb608fa1aff9b78ff5449fc8"> 238</a></span> <a class="code hl_function" href="classxrpl_1_1DirectIOfferCrossingStep.html#abd7947d7cb608fa1aff9b78ff5449fc8">verifyPrevStepDebtDirection</a>(<a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> prevStepDir)<span class="keyword"> const</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="comment">// During offer crossing we rely on the fact that prevStepRedeems</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="comment">// will *always* issue. That&#39;s because:</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="comment">// o If there&#39;s a prevStep_, it will always be a BookStep.</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="comment">// o BookStep::debtDirection() always returns `issues` when offer</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="comment">// crossing.</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="comment">// An assert based on this return value will tell us if that</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="comment">// behavior changes.</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054dafe5fe0415fc3e0ff4942d8454f363d2c">issues</a>(prevStepDir);</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> }</div>
</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> </div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00251" data-start="{" data-end="}">
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIOfferCrossingStep.html#a9ad88834eb317f14695e17fcef1e9028"> 251</a></span> <a class="code hl_function" href="classxrpl_1_1DirectIOfferCrossingStep.html#a9ad88834eb317f14695e17fcef1e9028">verifyDstQualityIn</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> dstQIn)<span class="keyword"> const</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="comment">// Due to a couple of factors dstQIn is always QUALITY_ONE for</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="comment">// offer crossing. If that changes we need to know.</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="keywordflow">return</span> dstQIn == QUALITY_ONE;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> }</div>
</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> </div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <a class="code hl_function" href="classxrpl_1_1DirectIOfferCrossingStep.html#a30dab58877adbd66126f89d07badc941">quality</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_enumeration" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72d">QualityDirection</a> qDir) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> </div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="comment">// Compute the maximum value that can flow from src-&gt;dst at</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="comment">// the best available quality.</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="comment">// return: first element is max amount that can flow,</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="comment">// second is the debt direction w.r.t the source</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;IOUAmount, DebtDirection&gt;</a></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <a class="code hl_function" href="classxrpl_1_1DirectIOfferCrossingStep.html#acea4d36342872272e33f71b9a724d9c1">maxFlow</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; desired) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> </div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="comment">// Verify the consistency of the step. These checks are specific to</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="comment">// offer crossing and assume that general checks were already performed.</span></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <a class="code hl_class" href="classxrpl_1_1TERSubset.html">TER</a></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <a class="code hl_function" href="classxrpl_1_1DirectIOfferCrossingStep.html#afd768f85c7dada76881e8d3d08c69b24">check</a>(<a class="code hl_struct" href="structxrpl_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;const SLE&gt;</a> <span class="keyword">const</span>&amp; sleSrc) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> </div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="foldopen" id="foldopen00274" data-start="{" data-end="}">
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIOfferCrossingStep.html#ae767a26c14a07fbdc50abb3689cd9ab8"> 274</a></span> <a class="code hl_function" href="classxrpl_1_1DirectIOfferCrossingStep.html#ae767a26c14a07fbdc50abb3689cd9ab8">logString</a>()<span class="keyword"> const override</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#aa1f12a402d5633ac08d610f124bdb9d5">logStringImpl</a>(<span class="stringliteral">&quot;DirectIOfferCrossingStep&quot;</span>);</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> }</div>
</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span>};</div>
</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><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> </div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
<div class="foldopen" id="foldopen00283" data-start="{" data-end="}">
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIPaymentStep.html#a216e2c246cd3d7bde264f29bda1467e9"> 283</a></span><a class="code hl_function" href="classxrpl_1_1DirectIPaymentStep.html#a216e2c246cd3d7bde264f29bda1467e9">DirectIPaymentStep::quality</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_enumeration" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72d">QualityDirection</a> qDir)<span class="keyword"> const</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a> == <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>)</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keywordflow">return</span> QUALITY_ONE;</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> <span class="keyword">auto</span> <span class="keyword">const</span> sle = sb.<a class="code hl_function" href="classxrpl_1_1ReadView.html#ae7286da5df8ee36f950cc43fd3a46806">read</a>(<a class="code hl_function" href="namespacexrpl_1_1keylet.html#aa21a42ef67381b26994fa7a9960b1306">keylet::line</a>(<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>, <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a>, <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ac87c670f2a55c28f8b9d314731f7e9c0">currency_</a>));</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> </div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keywordflow">if</span> (!sle)</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="keywordflow">return</span> QUALITY_ONE;</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> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; field = [&amp;, <span class="keyword">this</span>]() -&gt; <a class="code hl_struct" href="structxrpl_1_1TypedField.html">SF_UINT32</a> <span class="keyword">const</span>&amp; {</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="keywordflow">if</span> (qDir == <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">QualityDirection::in</a>)</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> <span class="comment">// compute dst quality in</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keywordflow">if</span> (this-&gt;dst_ &lt; this-&gt;<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a>)</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordflow">return</span> sfLowQualityIn;</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keywordflow">return</span> sfHighQualityIn;</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> }</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keywordflow">else</span></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> <span class="comment">// compute src quality out</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keywordflow">if</span> (this-&gt;src_ &lt; this-&gt;<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>)</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">return</span> sfLowQualityOut;</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="keywordflow">return</span> sfHighQualityOut;</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> }</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> }();</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> </div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="keywordflow">if</span> (!sle-&gt;isFieldPresent(field))</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="keywordflow">return</span> QUALITY_ONE;</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> </div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keyword">auto</span> <span class="keyword">const</span> q = (*sle)[field];</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keywordflow">if</span> (!q)</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keywordflow">return</span> QUALITY_ONE;</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordflow">return</span> q;</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span>}</div>
</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> </div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
<div class="foldopen" id="foldopen00322" data-start="{" data-end="}">
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIOfferCrossingStep.html#a30dab58877adbd66126f89d07badc941"> 322</a></span><a class="code hl_function" href="classxrpl_1_1DirectIOfferCrossingStep.html#a30dab58877adbd66126f89d07badc941">DirectIOfferCrossingStep::quality</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp;, <a class="code hl_enumeration" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72d">QualityDirection</a> qDir)<span class="keyword"> const</span></div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="comment">// If offer crossing then ignore trust line Quality fields. This</span></div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="comment">// preserves a long-standing tradition.</span></div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="keywordflow">return</span> QUALITY_ONE;</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span>}</div>
</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> </div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;IOUAmount, DebtDirection&gt;</a></div>
<div class="foldopen" id="foldopen00330" data-start="{" data-end="}">
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIPaymentStep.html#a47ad82d0c960f8a7dda518a8f2fe25d7"> 330</a></span><a class="code hl_function" href="classxrpl_1_1DirectIPaymentStep.html#a47ad82d0c960f8a7dda518a8f2fe25d7">DirectIPaymentStep::maxFlow</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp;)<span class="keyword"> const</span></div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#acb7157ea8b7332c77bfcfd4402cefa51">maxPaymentFlow</a>(sb);</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span>}</div>
</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> </div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;IOUAmount, DebtDirection&gt;</a></div>
<div class="foldopen" id="foldopen00336" data-start="{" data-end="}">
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIOfferCrossingStep.html#acea4d36342872272e33f71b9a724d9c1"> 336</a></span><a class="code hl_function" href="classxrpl_1_1DirectIOfferCrossingStep.html#acea4d36342872272e33f71b9a724d9c1">DirectIOfferCrossingStep::maxFlow</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; desired)<span class="keyword"> const</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="comment">// When isLast and offer crossing then ignore trust line limits. Offer</span></div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="comment">// crossing has the ability to exceed the limit set by a trust line.</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="comment">// We presume that if someone is creating an offer then they intend to</span></div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="comment">// fill as much of that offer as possible, even if the offer exceeds</span></div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="comment">// the limit that a trust line sets.</span></div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="comment">//</span></div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="comment">// A note on using &quot;out&quot; as the desired parameter for maxFlow. In some</span></div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="comment">// circumstances during payments we end up needing a value larger than</span></div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="comment">// &quot;out&quot; for &quot;maxSrcToDst&quot;. But as of now (June 2016) that never happens</span></div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="comment">// during offer crossing. That&#39;s because, due to a couple of factors,</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="comment">// &quot;dstQIn&quot; is always QUALITY_ONE for offer crossing.</span></div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> </div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#a2fe1bfedeae4608b7e1229dabe7bc728">isLast_</a>)</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="keywordflow">return</span> {desired, <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054dafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>};</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> </div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classxrpl_1_1DirectStepI.html#acb7157ea8b7332c77bfcfd4402cefa51">maxPaymentFlow</a>(sb);</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span>}</div>
</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> </div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span><a class="code hl_class" href="classxrpl_1_1TERSubset.html">TER</a></div>
<div class="foldopen" id="foldopen00357" data-start="{" data-end="}">
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIPaymentStep.html#a8e9e9a2646c8e6a2ba398051e08c724f"> 357</a></span><a class="code hl_function" href="classxrpl_1_1DirectIPaymentStep.html#a8e9e9a2646c8e6a2ba398051e08c724f">DirectIPaymentStep::check</a>(<a class="code hl_struct" href="structxrpl_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;const SLE&gt;</a> <span class="keyword">const</span>&amp; sleSrc)<span class="keyword"> const</span></div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="comment">// Since this is a payment a trust line must be present. Perform all</span></div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="comment">// trust line related checks.</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> {</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="keyword">auto</span> <span class="keyword">const</span> sleLine = ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#a817d708de9c56a122c4c02bade35909e">view</a>.<a class="code hl_function" href="classxrpl_1_1ReadView.html#ae7286da5df8ee36f950cc43fd3a46806">read</a>(<a class="code hl_function" href="namespacexrpl_1_1keylet.html#aa21a42ef67381b26994fa7a9960b1306">keylet::line</a>(<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a>, <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>, <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ac87c670f2a55c28f8b9d314731f7e9c0">currency_</a>));</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="keywordflow">if</span> (!sleLine)</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> {</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> JLOG(<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#a9cb599dcc3c34b423800b572b19c26cd">j_</a>.<a class="code hl_function" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI: No credit line. &quot;</span> &lt;&lt; *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a0a6c86e55d58f0dfb3d535c11e414c72a4ed54486704c45eb9c95d66396b84fd3">terNO_LINE</a>;</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> }</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> </div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <span class="keyword">auto</span> <span class="keyword">const</span> authField = (<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a> &gt; <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>) ? <a class="code hl_enumvalue" href="namespacexrpl.html#ada4805619214865518ed8c0b54a71bc1aefa8ce9e509559a2073b2134e992113f">lsfHighAuth</a> : <a class="code hl_enumvalue" href="namespacexrpl.html#ada4805619214865518ed8c0b54a71bc1ab0719704601b7bedcb67bf1129f103ec">lsfLowAuth</a>;</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> </div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <span class="keywordflow">if</span> (((*sleSrc)[sfFlags] &amp; <a class="code hl_enumvalue" href="namespacexrpl.html#ada4805619214865518ed8c0b54a71bc1a39b9fffa7b098bb35902f142c5725d5a">lsfRequireAuth</a>) &amp;&amp; !((*sleLine)[sfFlags] &amp; authField) &amp;&amp;</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> (*sleLine)[sfBalance] == beast::zero)</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> {</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> JLOG(<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#a9cb599dcc3c34b423800b572b19c26cd">j_</a>.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI: can&#39;t receive IOUs from issuer without auth.&quot;</span></div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> &lt;&lt; <span class="stringliteral">&quot; src: &quot;</span> &lt;&lt; <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a>;</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a0a6c86e55d58f0dfb3d535c11e414c72a68a005edba707744ed6116c4aa697561">terNO_AUTH</a>;</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> }</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> </div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="keywordflow">if</span> (ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#ae747ed179c9b8ab7cfcc36190f9c526c">prevStep</a>)</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> {</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <span class="keywordflow">if</span> (ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#ae747ed179c9b8ab7cfcc36190f9c526c">prevStep</a>-&gt;<a class="code hl_function" href="classxrpl_1_1Step.html#ac64e56909c6bb184f7b3d88bd4b4b9c8">bookStepBook</a>())</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> {</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="keyword">auto</span> <span class="keyword">const</span> noRippleSrcToDst =</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> ((*sleLine)[sfFlags] &amp; ((<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a> &gt; <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>) ? <a class="code hl_enumvalue" href="namespacexrpl.html#ada4805619214865518ed8c0b54a71bc1ac3365ef8ec7d885fbfa5217d05c2c346">lsfHighNoRipple</a> : <a class="code hl_enumvalue" href="namespacexrpl.html#ada4805619214865518ed8c0b54a71bc1aa2b7aecef23810305f33e9c5080ac3f5">lsfLowNoRipple</a>));</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> <span class="keywordflow">if</span> (noRippleSrcToDst)</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a0a6c86e55d58f0dfb3d535c11e414c72ab73d1fba31ff4030e0b64464fdfc7e89">terNO_RIPPLE</a>;</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> }</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> }</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> }</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> </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> <span class="keyword">auto</span> <span class="keyword">const</span> owed = <a class="code hl_function" href="namespacexrpl.html#aa02ddd7fd103324c4ac6c80efc16f1bd">creditBalance</a>(ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#a817d708de9c56a122c4c02bade35909e">view</a>, <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>, <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a>, <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ac87c670f2a55c28f8b9d314731f7e9c0">currency_</a>);</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> <span class="keywordflow">if</span> (owed &lt;= beast::zero)</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> {</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <span class="keyword">auto</span> <span class="keyword">const</span> limit = <a class="code hl_function" href="namespacexrpl.html#a6827ba10f9a74582eb39009494f651a7">creditLimit</a>(ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#a817d708de9c56a122c4c02bade35909e">view</a>, <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">dst_</a>, <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">src_</a>, <a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#ac87c670f2a55c28f8b9d314731f7e9c0">currency_</a>);</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="keywordflow">if</span> (-owed &gt;= limit)</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> JLOG(<a class="code hl_variable" href="classxrpl_1_1DirectStepI.html#a9cb599dcc3c34b423800b572b19c26cd">j_</a>.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI: dry: owed: &quot;</span> &lt;&lt; owed &lt;&lt; <span class="stringliteral">&quot; limit: &quot;</span> &lt;&lt; limit;</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba42408240f803abe8017433ecac4fe862">tecPATH_DRY</a>;</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> }</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> }</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> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>;</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span>}</div>
</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> </div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span><a class="code hl_class" href="classxrpl_1_1TERSubset.html">TER</a></div>
<div class="foldopen" id="foldopen00407" data-start="{" data-end="}">
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectIOfferCrossingStep.html#afd768f85c7dada76881e8d3d08c69b24"> 407</a></span><a class="code hl_function" href="classxrpl_1_1DirectIOfferCrossingStep.html#afd768f85c7dada76881e8d3d08c69b24">DirectIOfferCrossingStep::check</a>(<a class="code hl_struct" href="structxrpl_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp;, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;const SLE&gt;</a> <span class="keyword">const</span>&amp;)<span class="keyword"> const</span></div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="comment">// The standard checks are all we can do because any remaining checks</span></div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="comment">// require the existence of a trust line. Offer crossing does not</span></div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="comment">// require a pre-existing trust line.</span></div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>;</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span>}</div>
</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> </div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> </div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;IOUAmount, DebtDirection&gt;</a></div>
<div class="foldopen" id="foldopen00419" data-start="{" data-end="}">
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#acb7157ea8b7332c77bfcfd4402cefa51"> 419</a></span><a class="code hl_function" href="classxrpl_1_1DirectStepI.html#acb7157ea8b7332c77bfcfd4402cefa51">DirectStepI&lt;TDerived&gt;::maxPaymentFlow</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb)<span class="keyword"> const</span></div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="keyword">auto</span> <span class="keyword">const</span> srcOwed = <a class="code hl_function" href="namespacexrpl.html#aca16307bc2bd096a064cbce3af895ac9">toAmount&lt;IOUAmount&gt;</a>(<a class="code hl_function" href="namespacexrpl.html#a4f5cf1d4503b195f0d8640b978e13edf">accountHolds</a>(sb, src_, currency_, dst_, <a class="code hl_enumvalue" href="namespacexrpl.html#a1751722455e1d7c781d2cc897403a534aeb491d70a36a5ebbcce26afb3d50c868">fhIGNORE_FREEZE</a>, j_));</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> </div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="keywordflow">if</span> (srcOwed.signum() &gt; 0)</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordflow">return</span> {srcOwed, <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">DebtDirection::redeems</a>};</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> </div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <span class="comment">// srcOwed is negative or zero</span></div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="keywordflow">return</span> {<a class="code hl_function" href="namespacexrpl.html#a7d80263dd562d13fe89a37179552979b">creditLimit2</a>(sb, dst_, src_, currency_) + srcOwed, <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054dafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>};</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span>}</div>
</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> </div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span><a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a></div>
<div class="foldopen" id="foldopen00432" data-start="{" data-end="}">
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#ad4ab2e0673033b1b09f4b3ef925983e5"> 432</a></span><a class="code hl_function" href="classxrpl_1_1DirectStepI.html#ad4ab2e0673033b1b09f4b3ef925983e5">DirectStepI&lt;TDerived&gt;::debtDirection</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_enumeration" href="namespacexrpl.html#a79a793a19f9bf2aad6e7b82772743ae8">StrandDirection</a> dir)<span class="keyword"> const</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keywordflow">if</span> (dir == <a class="code hl_enumvalue" href="namespacexrpl.html#a79a793a19f9bf2aad6e7b82772743ae8a965dbaac085fc891bfbbd4f9d145bbc8">StrandDirection::forward</a> &amp;&amp; cache_)</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <span class="keywordflow">return</span> cache_-&gt;srcDebtDir;</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> </div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="keyword">auto</span> <span class="keyword">const</span> srcOwed = <a class="code hl_function" href="namespacexrpl.html#a4f5cf1d4503b195f0d8640b978e13edf">accountHolds</a>(sb, src_, currency_, dst_, <a class="code hl_enumvalue" href="namespacexrpl.html#a1751722455e1d7c781d2cc897403a534aeb491d70a36a5ebbcce26afb3d50c868">fhIGNORE_FREEZE</a>, j_);</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> <span class="keywordflow">return</span> srcOwed.signum() &gt; 0 ? <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">DebtDirection::redeems</a> : <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054dafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>;</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span>}</div>
</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> </div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;IOUAmount, IOUAmount&gt;</a></div>
<div class="foldopen" id="foldopen00443" data-start="{" data-end="}">
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a068dd5f7eb4fd1cedc19cce1dff5791e"> 443</a></span><a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a068dd5f7eb4fd1cedc19cce1dff5791e">DirectStepI&lt;TDerived&gt;::revImp</a>(</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <a class="code hl_class" href="classxrpl_1_1ApplyView.html">ApplyView</a>&amp; <span class="comment">/*afView*/</span>,</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> boost::container::flat_set&lt;uint256&gt;&amp; <span class="comment">/*ofrsToRm*/</span>,</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>)</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span>{</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> cache_.reset();</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="keyword">auto</span> <span class="keyword">const</span> [maxSrcToDst, srcDebtDir] = <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;maxFlow(sb, <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>);</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> </div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <span class="keyword">auto</span> <span class="keyword">const</span> [srcQOut, dstQIn] = qualities(sb, srcDebtDir, <a class="code hl_enumvalue" href="namespacexrpl.html#a79a793a19f9bf2aad6e7b82772743ae8a4d9c2073afa3c2abb817dceb22c34de6">StrandDirection::reverse</a>);</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;verifyDstQualityIn(dstQIn),</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="stringliteral">&quot;xrpl::DirectStepI : valid destination quality&quot;</span>);</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> <a class="code hl_class" href="classxrpl_1_1Issue.html">Issue</a> <span class="keyword">const</span> srcToDstIss(currency_, <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">redeems</a>(srcDebtDir) ? dst_ : src_);</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> </div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> JLOG(j_.trace()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI::rev&quot;</span></div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> &lt;&lt; <span class="stringliteral">&quot; srcRedeems: &quot;</span> &lt;&lt; <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">redeems</a>(srcDebtDir) &lt;&lt; <span class="stringliteral">&quot; outReq: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>)</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> &lt;&lt; <span class="stringliteral">&quot; maxSrcToDst: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(maxSrcToDst) &lt;&lt; <span class="stringliteral">&quot; srcQOut: &quot;</span> &lt;&lt; srcQOut &lt;&lt; <span class="stringliteral">&quot; dstQIn: &quot;</span> &lt;&lt; dstQIn;</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> <span class="keywordflow">if</span> (maxSrcToDst.signum() &lt;= 0)</div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> {</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> JLOG(j_.trace()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI::rev: dry&quot;</span>;</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> cache_.emplace(<a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a>(beast::zero), <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a>(beast::zero), <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a>(beast::zero), srcDebtDir);</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> }</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> </div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> srcToDst = <a class="code hl_function" href="namespacexrpl.html#a95cb9e673d3664d7921976d476b2479d">mulRatio</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>, QUALITY_ONE, dstQIn, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</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> <span class="keywordflow">if</span> (srcToDst &lt;= maxSrcToDst)</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> {</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a> = <a class="code hl_function" href="namespacexrpl.html#a95cb9e673d3664d7921976d476b2479d">mulRatio</a>(srcToDst, srcQOut, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> cache_.emplace(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, srcToDst, <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>, srcDebtDir);</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> <a class="code hl_function" href="namespacexrpl.html#afa8dc3855d56c8c966efa9fec5e42621">rippleCredit</a>(</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> sb,</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> src_,</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> dst_,</div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> <a class="code hl_function" href="namespacexrpl.html#a40e86ef937741d6bead51310df36a89e">toSTAmount</a>(srcToDst, srcToDstIss),</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> <span class="comment">/*checkIssuer*/</span> <span class="keyword">true</span>,</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> j_);</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> JLOG(j_.trace()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI::rev: Non-limiting&quot;</span></div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> &lt;&lt; <span class="stringliteral">&quot; srcRedeems: &quot;</span> &lt;&lt; <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">redeems</a>(srcDebtDir) &lt;&lt; <span class="stringliteral">&quot; in: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> &lt;&lt; <span class="stringliteral">&quot; srcToDst: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(srcToDst) &lt;&lt; <span class="stringliteral">&quot; out: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>);</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> <span class="keywordflow">return</span> {<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>};</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> }</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> </div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <span class="comment">// limiting node</span></div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a> = <a class="code hl_function" href="namespacexrpl.html#a95cb9e673d3664d7921976d476b2479d">mulRatio</a>(maxSrcToDst, srcQOut, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> actualOut = <a class="code hl_function" href="namespacexrpl.html#a95cb9e673d3664d7921976d476b2479d">mulRatio</a>(maxSrcToDst, dstQIn, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> cache_.emplace(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, maxSrcToDst, actualOut, srcDebtDir);</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> <a class="code hl_function" href="namespacexrpl.html#afa8dc3855d56c8c966efa9fec5e42621">rippleCredit</a>(</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> sb,</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> src_,</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> dst_,</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> <a class="code hl_function" href="namespacexrpl.html#a40e86ef937741d6bead51310df36a89e">toSTAmount</a>(maxSrcToDst, srcToDstIss),</div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> <span class="comment">/*checkIssuer*/</span> <span class="keyword">true</span>,</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> j_);</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> JLOG(j_.trace()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI::rev: Limiting&quot;</span></div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> &lt;&lt; <span class="stringliteral">&quot; srcRedeems: &quot;</span> &lt;&lt; <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">redeems</a>(srcDebtDir) &lt;&lt; <span class="stringliteral">&quot; in: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> &lt;&lt; <span class="stringliteral">&quot; srcToDst: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(maxSrcToDst) &lt;&lt; <span class="stringliteral">&quot; out: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>);</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> <span class="keywordflow">return</span> {<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, actualOut};</div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span>}</div>
</div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> </div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span><span class="comment">// The forward pass should never have more liquidity than the reverse</span></div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span><span class="comment">// pass. But sometimes rounding differences cause the forward pass to</span></div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span><span class="comment">// deliver more liquidity. Use the cached values from the reverse pass</span></div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span><span class="comment">// to prevent this.</span></div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00513" data-start="{" data-end="}">
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a46e7e75ed5297af51198b2b50f8d7d6e"> 513</a></span><a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a46e7e75ed5297af51198b2b50f8d7d6e">DirectStepI&lt;TDerived&gt;::setCacheLimiting</a>(</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; fwdIn,</div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; fwdSrcToDst,</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; fwdOut,</div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> srcDebtDir)</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span>{</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> <span class="keywordflow">if</span> (cache_-&gt;in &lt; fwdIn)</div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> {</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> smallDiff(1, -9);</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> <span class="keyword">auto</span> <span class="keyword">const</span> diff = fwdIn - cache_-&gt;in;</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> <span class="keywordflow">if</span> (diff &gt; smallDiff)</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> {</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> <span class="keywordflow">if</span> (fwdIn.<a class="code hl_function" href="classxrpl_1_1IOUAmount.html#a59d7cd75d1a26b7afa49854207cfaa6e">exponent</a>() != cache_-&gt;in.exponent() || !cache_-&gt;in.mantissa() ||</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> (<span class="keywordtype">double</span>(fwdIn.<a class="code hl_function" href="classxrpl_1_1IOUAmount.html#a0aa1de3d3f482308ed87a4116d3ee41f">mantissa</a>()) / <span class="keywordtype">double</span>(cache_-&gt;in.mantissa())) &gt; 1.01)</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> <span class="comment">// Detect large diffs on forward pass so they may be</span></div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> <span class="comment">// investigated</span></div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> JLOG(j_.warn()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI::fwd: setCacheLimiting&quot;</span></div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> &lt;&lt; <span class="stringliteral">&quot; fwdIn: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(fwdIn) &lt;&lt; <span class="stringliteral">&quot; cacheIn: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(cache_-&gt;in)</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> &lt;&lt; <span class="stringliteral">&quot; fwdSrcToDst: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(fwdSrcToDst)</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> &lt;&lt; <span class="stringliteral">&quot; cacheSrcToDst: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(cache_-&gt;srcToDst) &lt;&lt; <span class="stringliteral">&quot; fwdOut: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(fwdOut)</div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> &lt;&lt; <span class="stringliteral">&quot; cacheOut: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(cache_-&gt;out);</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> cache_.emplace(fwdIn, fwdSrcToDst, fwdOut, srcDebtDir);</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> }</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> }</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> }</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> cache_-&gt;in = fwdIn;</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> <span class="keywordflow">if</span> (fwdSrcToDst &lt; cache_-&gt;srcToDst)</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> cache_-&gt;srcToDst = fwdSrcToDst;</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> <span class="keywordflow">if</span> (fwdOut &lt; cache_-&gt;<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>)</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> cache_-&gt;out = fwdOut;</div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> cache_-&gt;srcDebtDir = srcDebtDir;</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span>};</div>
</div>
</div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> </div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;IOUAmount, IOUAmount&gt;</a></div>
<div class="foldopen" id="foldopen00550" data-start="{" data-end="}">
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a45a6c1a345bfd75064e79770b776cb45"> 550</a></span><a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a45a6c1a345bfd75064e79770b776cb45">DirectStepI&lt;TDerived&gt;::fwdImp</a>(</div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <a class="code hl_class" href="classxrpl_1_1ApplyView.html">ApplyView</a>&amp; <span class="comment">/*afView*/</span>,</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> boost::container::flat_set&lt;uint256&gt;&amp; <span class="comment">/*ofrsToRm*/</span>,</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span>{</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> XRPL_ASSERT(cache_, <span class="stringliteral">&quot;xrpl::DirectStepI::fwdImp : cache is set&quot;</span>);</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> </div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> <span class="keyword">auto</span> <span class="keyword">const</span> [maxSrcToDst, srcDebtDir] = <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;maxFlow(sb, cache_-&gt;srcToDst);</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> <span class="keyword">auto</span> <span class="keyword">const</span> [srcQOut, dstQIn] = qualities(sb, srcDebtDir, <a class="code hl_enumvalue" href="namespacexrpl.html#a79a793a19f9bf2aad6e7b82772743ae8a965dbaac085fc891bfbbd4f9d145bbc8">StrandDirection::forward</a>);</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_1Issue.html">Issue</a> <span class="keyword">const</span> srcToDstIss(currency_, <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">redeems</a>(srcDebtDir) ? dst_ : src_);</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> JLOG(j_.trace()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI::fwd&quot;</span></div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> &lt;&lt; <span class="stringliteral">&quot; srcRedeems: &quot;</span> &lt;&lt; <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">redeems</a>(srcDebtDir) &lt;&lt; <span class="stringliteral">&quot; inReq: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> &lt;&lt; <span class="stringliteral">&quot; maxSrcToDst: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(maxSrcToDst) &lt;&lt; <span class="stringliteral">&quot; srcQOut: &quot;</span> &lt;&lt; srcQOut &lt;&lt; <span class="stringliteral">&quot; dstQIn: &quot;</span> &lt;&lt; dstQIn;</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> </div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> <span class="keywordflow">if</span> (maxSrcToDst.signum() &lt;= 0)</div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> {</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> JLOG(j_.trace()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI::fwd: dry&quot;</span>;</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> cache_.emplace(<a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a>(beast::zero), <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a>(beast::zero), <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a>(beast::zero), srcDebtDir);</div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> }</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> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> srcToDst = <a class="code hl_function" href="namespacexrpl.html#a95cb9e673d3664d7921976d476b2479d">mulRatio</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, QUALITY_ONE, srcQOut, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> </div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="keywordflow">if</span> (srcToDst &lt;= maxSrcToDst)</div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> {</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a> = <a class="code hl_function" href="namespacexrpl.html#a95cb9e673d3664d7921976d476b2479d">mulRatio</a>(srcToDst, dstQIn, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> setCacheLimiting(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, srcToDst, <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>, srcDebtDir);</div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <a class="code hl_function" href="namespacexrpl.html#afa8dc3855d56c8c966efa9fec5e42621">rippleCredit</a>(</div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> sb,</div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> src_,</div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> dst_,</div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> <a class="code hl_function" href="namespacexrpl.html#a40e86ef937741d6bead51310df36a89e">toSTAmount</a>(cache_-&gt;srcToDst, srcToDstIss),</div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="comment">/*checkIssuer*/</span> <span class="keyword">true</span>,</div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> j_);</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> JLOG(j_.trace()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI::fwd: Non-limiting&quot;</span></div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> &lt;&lt; <span class="stringliteral">&quot; srcRedeems: &quot;</span> &lt;&lt; <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">redeems</a>(srcDebtDir) &lt;&lt; <span class="stringliteral">&quot; in: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> &lt;&lt; <span class="stringliteral">&quot; srcToDst: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(srcToDst) &lt;&lt; <span class="stringliteral">&quot; out: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>);</div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> }</div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> <span class="keywordflow">else</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> <span class="comment">// limiting node</span></div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> actualIn = <a class="code hl_function" href="namespacexrpl.html#a95cb9e673d3664d7921976d476b2479d">mulRatio</a>(maxSrcToDst, srcQOut, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> <a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a> = <a class="code hl_function" href="namespacexrpl.html#a95cb9e673d3664d7921976d476b2479d">mulRatio</a>(maxSrcToDst, dstQIn, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> setCacheLimiting(actualIn, maxSrcToDst, <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>, srcDebtDir);</div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> <a class="code hl_function" href="namespacexrpl.html#afa8dc3855d56c8c966efa9fec5e42621">rippleCredit</a>(</div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> sb,</div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> src_,</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> dst_,</div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> <a class="code hl_function" href="namespacexrpl.html#a40e86ef937741d6bead51310df36a89e">toSTAmount</a>(cache_-&gt;srcToDst, srcToDstIss),</div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> <span class="comment">/*checkIssuer*/</span> <span class="keyword">true</span>,</div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> j_);</div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> JLOG(j_.trace()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI::rev: Limiting&quot;</span></div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> &lt;&lt; <span class="stringliteral">&quot; srcRedeems: &quot;</span> &lt;&lt; <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">redeems</a>(srcDebtDir) &lt;&lt; <span class="stringliteral">&quot; in: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(actualIn)</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> &lt;&lt; <span class="stringliteral">&quot; srcToDst: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(srcToDst) &lt;&lt; <span class="stringliteral">&quot; out: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">out</a>);</div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> }</div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <span class="keywordflow">return</span> {cache_-&gt;in, cache_-&gt;out};</div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span>}</div>
</div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> </div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;bool, EitherAmount&gt;</a></div>
<div class="foldopen" id="foldopen00614" data-start="{" data-end="}">
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#abf7c68ea644197534d3c1a61b7e5456e"> 614</a></span><a class="code hl_function" href="classxrpl_1_1DirectStepI.html#abf7c68ea644197534d3c1a61b7e5456e">DirectStepI&lt;TDerived&gt;::validFwd</a>(<a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb, <a class="code hl_class" href="classxrpl_1_1ApplyView.html">ApplyView</a>&amp; afView, <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span>{</div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="keywordflow">if</span> (!cache_)</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> JLOG(j_.trace()) &lt;&lt; <span class="stringliteral">&quot;Expected valid cache in validFwd&quot;</span>;</div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> <span class="keywordflow">return</span> {<span class="keyword">false</span>, <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a>(<a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a>(beast::zero))};</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> </div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> <span class="keyword">auto</span> <span class="keyword">const</span> savCache = *cache_;</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> XRPL_ASSERT(!<a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.native, <span class="stringliteral">&quot;xrpl::DirectStepI::validFwd : input is not XRP&quot;</span>);</div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> </div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> <span class="keyword">auto</span> <span class="keyword">const</span> [maxSrcToDst, srcDebtDir] = <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;maxFlow(sb, cache_-&gt;srcToDst);</div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> (void)srcDebtDir;</div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> </div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> <span class="keywordflow">try</span></div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> {</div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> boost::container::flat_set&lt;uint256&gt; dummy;</div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> fwdImp(sb, afView, dummy, <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.iou); <span class="comment">// changes cache</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="keywordflow">catch</span> (FlowException <span class="keyword">const</span>&amp;)</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="keywordflow">return</span> {<span class="keyword">false</span>, <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a>(<a class="code hl_class" href="classxrpl_1_1IOUAmount.html">IOUAmount</a>(beast::zero))};</div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> }</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> <span class="keywordflow">if</span> (maxSrcToDst &lt; cache_-&gt;srcToDst)</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> JLOG(j_.warn()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI: Strand re-execute check failed.&quot;</span></div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> &lt;&lt; <span class="stringliteral">&quot; Exceeded max src-&gt;dst limit&quot;</span></div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> &lt;&lt; <span class="stringliteral">&quot; max src-&gt;dst: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(maxSrcToDst)</div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> &lt;&lt; <span class="stringliteral">&quot; actual src-&gt;dst: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(cache_-&gt;srcToDst);</div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> <span class="keywordflow">return</span> {<span class="keyword">false</span>, <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a>(cache_-&gt;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> </div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> <span class="keywordflow">if</span> (!(<a class="code hl_function" href="namespacexrpl.html#aab50bc6507009d86015fe364757d6bf8">checkNear</a>(savCache.in, cache_-&gt;in) &amp;&amp; <a class="code hl_function" href="namespacexrpl.html#aab50bc6507009d86015fe364757d6bf8">checkNear</a>(savCache.out, cache_-&gt;out)))</div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> {</div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> JLOG(j_.warn()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI: Strand re-execute check failed.&quot;</span></div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> &lt;&lt; <span class="stringliteral">&quot; ExpectedIn: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(savCache.in) &lt;&lt; <span class="stringliteral">&quot; CachedIn: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(cache_-&gt;in)</div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> &lt;&lt; <span class="stringliteral">&quot; ExpectedOut: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(savCache.out) &lt;&lt; <span class="stringliteral">&quot; CachedOut: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a35ce7572092b98720a52fa343c6f2fa9">to_string</a>(cache_-&gt;out);</div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> <span class="keywordflow">return</span> {<span class="keyword">false</span>, <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a>(cache_-&gt;out)};</div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> }</div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> <span class="keywordflow">return</span> {<span class="keyword">true</span>, <a class="code hl_struct" href="structxrpl_1_1EitherAmount.html">EitherAmount</a>(cache_-&gt;out)};</div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span>}</div>
</div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> </div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span><span class="comment">// Returns srcQOut, dstQIn</span></div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;std::uint32_t, std::uint32_t&gt;</a></div>
<div class="foldopen" id="foldopen00661" data-start="{" data-end="}">
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a1b2408fa8f54f685acfe928a48e11179"> 661</a></span><a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a1b2408fa8f54f685acfe928a48e11179">DirectStepI&lt;TDerived&gt;::qualitiesSrcRedeems</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb)<span class="keyword"> const</span></div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> <span class="keywordflow">if</span> (!prevStep_)</div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> <span class="keywordflow">return</span> {QUALITY_ONE, QUALITY_ONE};</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> <span class="keyword">auto</span> <span class="keyword">const</span> prevStepQIn = prevStep_-&gt;lineQualityIn(sb);</div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> <span class="keyword">auto</span> srcQOut = <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;quality(sb, <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72dac68271a63ddbc431c307beb7d2918275">QualityDirection::out</a>);</div>
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> </div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> <span class="keywordflow">if</span> (prevStepQIn &gt; srcQOut)</div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> srcQOut = prevStepQIn;</div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> <span class="keywordflow">return</span> {srcQOut, QUALITY_ONE};</div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span>}</div>
</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><span class="comment">// Returns srcQOut, dstQIn</span></div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;std::uint32_t, std::uint32_t&gt;</a></div>
<div class="foldopen" id="foldopen00677" data-start="{" data-end="}">
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a144de8159f9b690f477d24f0e04c58c5"> 677</a></span><a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a144de8159f9b690f477d24f0e04c58c5">DirectStepI&lt;TDerived&gt;::qualitiesSrcIssues</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> prevStepDebtDirection)<span class="keyword"> const</span></div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> <span class="comment">// Charge a transfer rate when issuing and previous step redeems</span></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> XRPL_ASSERT(</div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;verifyPrevStepDebtDirection(prevStepDebtDirection),</div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> <span class="stringliteral">&quot;xrpl::DirectStepI::qualitiesSrcIssues : will prevStepDebtDirection &quot;</span></div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> <span class="stringliteral">&quot;issue&quot;</span>);</div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> </div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> srcQOut = <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">redeems</a>(prevStepDebtDirection) ? <a class="code hl_function" href="namespacexrpl.html#a986de5f13b12ee8a23b63d3f400f6a6a">transferRate</a>(sb, src_).<a class="code hl_variable" href="structxrpl_1_1Rate.html#a6ec5042462b69ef01e253ca885f3066e">value</a> : QUALITY_ONE;</div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> <span class="keyword">auto</span> dstQIn = <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;quality(sb, <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">QualityDirection::in</a>);</div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> </div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> <span class="keywordflow">if</span> (isLast_ &amp;&amp; dstQIn &gt; QUALITY_ONE)</div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> dstQIn = QUALITY_ONE;</div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> <span class="keywordflow">return</span> {srcQOut, dstQIn};</div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span>}</div>
</div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> </div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span><span class="comment">// Returns srcQOut, dstQIn</span></div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;std::uint32_t, std::uint32_t&gt;</a></div>
<div class="foldopen" id="foldopen00697" data-start="{" data-end="}">
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#ac1c7a27321c0eac5fc0b83fbb574fb21"> 697</a></span><a class="code hl_function" href="classxrpl_1_1DirectStepI.html#ac1c7a27321c0eac5fc0b83fbb574fb21">DirectStepI&lt;TDerived&gt;::qualities</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> srcDebtDir, <a class="code hl_enumeration" href="namespacexrpl.html#a79a793a19f9bf2aad6e7b82772743ae8">StrandDirection</a> strandDir)<span class="keyword"> const</span></div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> <span class="keywordflow">if</span> (<a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">redeems</a>(srcDebtDir))</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> <span class="keywordflow">return</span> qualitiesSrcRedeems(sb);</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> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> {</div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> <span class="keyword">auto</span> <span class="keyword">const</span> prevStepDebtDirection = [&amp;] {</div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> <span class="keywordflow">if</span> (prevStep_)</div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> <span class="keywordflow">return</span> prevStep_-&gt;debtDirection(sb, strandDir);</div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054dafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>;</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> }();</div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> <span class="keywordflow">return</span> qualitiesSrcIssues(sb, prevStepDebtDirection);</div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> }</div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span>}</div>
</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><span class="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
<div class="foldopen" id="foldopen00716" data-start="{" data-end="}">
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#aaea2f02456184267515e3a995d29935f"> 716</a></span><a class="code hl_function" href="classxrpl_1_1DirectStepI.html#aaea2f02456184267515e3a995d29935f">DirectStepI&lt;TDerived&gt;::lineQualityIn</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; v)<span class="keyword"> const</span></div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> <span class="comment">// dst quality in</span></div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;quality(v, <a class="code hl_enumvalue" href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72da13b5bfe96f3e2fe411c9f66f4a582adf">QualityDirection::in</a>);</div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span>}</div>
</div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> </div>
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;std::optional&lt;Quality&gt;</a>, <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a>&gt;</div>
<div class="foldopen" id="foldopen00724" data-start="{" data-end="}">
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#a967af186e13664b9d8e2d4f73f462877"> 724</a></span><a class="code hl_function" href="classxrpl_1_1DirectStepI.html#a967af186e13664b9d8e2d4f73f462877">DirectStepI&lt;TDerived&gt;::qualityUpperBound</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; v, <a class="code hl_enumeration" href="namespacexrpl.html#a68545644b747368471f97d17192a054d">DebtDirection</a> prevStepDir)<span class="keyword"> const</span></div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> <span class="keyword">auto</span> <span class="keyword">const</span> dir = this-&gt;debtDirection(v, <a class="code hl_enumvalue" href="namespacexrpl.html#a79a793a19f9bf2aad6e7b82772743ae8a965dbaac085fc891bfbbd4f9d145bbc8">StrandDirection::forward</a>);</div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> </div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> <span class="keyword">auto</span> <span class="keyword">const</span> [srcQOut, dstQIn] = <a class="code hl_enumvalue" href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">redeems</a>(dir) ? qualitiesSrcRedeems(v) : qualitiesSrcIssues(v, prevStepDir);</div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span> </div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> <a class="code hl_class" href="classxrpl_1_1Issue.html">Issue</a> <span class="keyword">const</span> iss{currency_, src_};</div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> <span class="comment">// Be careful not to switch the parameters to `getRate`. The</span></div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> <span class="comment">// `getRate(offerOut, offerIn)` function is usually used for offers. It</span></div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> <span class="comment">// returns offerIn/offerOut. For a direct step, the rate is srcQOut/dstQIn</span></div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> <span class="comment">// (Input*dstQIn/srcQOut = Output; So rate = srcQOut/dstQIn). Although the</span></div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> <span class="comment">// first parameter is called `offerOut`, it should take the `dstQIn`</span></div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> <span class="comment">// variable.</span></div>
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> <span class="keywordflow">return</span> {Quality(<a class="code hl_function" href="namespacexrpl.html#aa06bc7c24be6a54510ae1fe4c78351c7">getRate</a>(<a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a>(iss, dstQIn), <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a>(iss, srcQOut))), dir};</div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span>}</div>
</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="keyword">template</span> &lt;<span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span><a class="code hl_class" href="classxrpl_1_1TERSubset.html">TER</a></div>
<div class="foldopen" id="foldopen00742" data-start="{" data-end="}">
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"><a class="line" href="classxrpl_1_1DirectStepI.html#ae1e97a1eaf635ed67ef01d284953409f"> 742</a></span><a class="code hl_function" href="classxrpl_1_1DirectStepI.html#ae1e97a1eaf635ed67ef01d284953409f">DirectStepI&lt;TDerived&gt;::check</a>(<a class="code hl_struct" href="structxrpl_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx)<span class="keyword"> const</span></div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> <span class="comment">// The following checks apply for both payments and offer crossing.</span></div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> <span class="keywordflow">if</span> (!src_ || !dst_)</div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> {</div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> JLOG(j_.debug()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI: specified bad account.&quot;</span>;</div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a0fded369a7b2b94ede175682bd55e0de">temBAD_PATH</a>;</div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> }</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> (src_ == dst_)</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> JLOG(j_.debug()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI: same src and dst.&quot;</span>;</div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a0fded369a7b2b94ede175682bd55e0de">temBAD_PATH</a>;</div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> }</div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> </div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> <span class="keyword">auto</span> <span class="keyword">const</span> sleSrc = ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#a817d708de9c56a122c4c02bade35909e">view</a>.<a class="code hl_function" href="classxrpl_1_1ReadView.html#ae7286da5df8ee36f950cc43fd3a46806">read</a>(<a class="code hl_function" href="namespacexrpl_1_1keylet.html#ac5d7a88f7cef6ac1ddf06020da8ded16">keylet::account</a>(src_));</div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> <span class="keywordflow">if</span> (!sleSrc)</div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> {</div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> JLOG(j_.warn()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI: can&#39;t receive IOUs from non-existent issuer: &quot;</span> &lt;&lt; src_;</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#a0a6c86e55d58f0dfb3d535c11e414c72ad71aaf9032f8c48b6fe709fbc44d431e">terNO_ACCOUNT</a>;</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> </div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> <span class="comment">// pure issue/redeem can&#39;t be frozen</span></div>
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> <span class="keywordflow">if</span> (!(ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#aa7456247da2bad22b8b71e6b913e7cad">isLast</a> &amp;&amp; ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#a8685252ee549c3e142700498f2567618">isFirst</a>))</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> <span class="keyword">auto</span> <span class="keyword">const</span> ter = <a class="code hl_function" href="namespacexrpl.html#aa015618994b0cce328fc694674888af9">checkFreeze</a>(ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#a817d708de9c56a122c4c02bade35909e">view</a>, src_, dst_, currency_);</div>
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> <span class="keywordflow">if</span> (ter != <a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>)</div>
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> <span class="keywordflow">return</span> ter;</div>
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span> }</div>
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"> 771</span> </div>
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span> <span class="comment">// If previous step was a direct step then we need to check</span></div>
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> <span class="comment">// no ripple flags.</span></div>
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span> <span class="keywordflow">if</span> (ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#ae747ed179c9b8ab7cfcc36190f9c526c">prevStep</a>)</div>
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span> {</div>
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> prevSrc = ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#ae747ed179c9b8ab7cfcc36190f9c526c">prevStep</a>-&gt;<a class="code hl_function" href="classxrpl_1_1Step.html#a3aa84ff7fe8661de5b1b97cd13d3f193">directStepSrcAcct</a>())</div>
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> {</div>
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> <span class="keyword">auto</span> <span class="keyword">const</span> ter = <a class="code hl_function" href="namespacexrpl.html#ad8654d9007aa58a4e2dfa3ebb1dde515">checkNoRipple</a>(ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#a817d708de9c56a122c4c02bade35909e">view</a>, *prevSrc, src_, dst_, currency_, j_);</div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> <span class="keywordflow">if</span> (ter != <a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>)</div>
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> <span class="keywordflow">return</span> ter;</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> }</div>
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> {</div>
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span> <a class="code hl_class" href="classxrpl_1_1Issue.html">Issue</a> <span class="keyword">const</span> srcIssue{currency_, src_};</div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> <a class="code hl_class" href="classxrpl_1_1Issue.html">Issue</a> <span class="keyword">const</span> dstIssue{currency_, dst_};</div>
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"> 786</span> </div>
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> <span class="keywordflow">if</span> (ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#a3d711ffe4c663842d70402caaab85975">seenBookOuts</a>.count(srcIssue))</div>
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span> {</div>
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span> <span class="keywordflow">if</span> (!ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#ae747ed179c9b8ab7cfcc36190f9c526c">prevStep</a>)</div>
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> {</div>
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> UNREACHABLE(</div>
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> <span class="stringliteral">&quot;xrpl::DirectStepI::check : prev seen book without a &quot;</span></div>
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> <span class="stringliteral">&quot;prev step&quot;</span>);</div>
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a6f0393e7cb86f213b71df42a2a9d6d3a">temBAD_PATH_LOOP</a>;</div>
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> }</div>
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> </div>
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> <span class="comment">// This is OK if the previous step is a book step that outputs this</span></div>
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> <span class="comment">// issue</span></div>
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"> 801</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> book = ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#ae747ed179c9b8ab7cfcc36190f9c526c">prevStep</a>-&gt;<a class="code hl_function" href="classxrpl_1_1Step.html#ac64e56909c6bb184f7b3d88bd4b4b9c8">bookStepBook</a>())</div>
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span> {</div>
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno"> 803</span> <span class="keywordflow">if</span> (book-&gt;out != srcIssue)</div>
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"> 804</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a6f0393e7cb86f213b71df42a2a9d6d3a">temBAD_PATH_LOOP</a>;</div>
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"> 805</span> }</div>
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno"> 806</span> }</div>
<div class="line"><a id="l00807" name="l00807"></a><span class="lineno"> 807</span> </div>
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno"> 808</span> <span class="keywordflow">if</span> (!ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#ad6557fe637f4599a953f9f05a6e2d9b5">seenDirectIssues</a>[0].insert(srcIssue).second || !ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#ad6557fe637f4599a953f9f05a6e2d9b5">seenDirectIssues</a>[1].insert(dstIssue).second)</div>
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno"> 809</span> {</div>
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno"> 810</span> JLOG(j_.debug()) &lt;&lt; <span class="stringliteral">&quot;DirectStepI: loop detected: Index: &quot;</span> &lt;&lt; ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#a7c0c71ab148f34a75cf2a929663785f6">strandSize</a> &lt;&lt; <span class="charliteral">&#39; &#39;</span> &lt;&lt; *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno"> 811</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a6f0393e7cb86f213b71df42a2a9d6d3a">temBAD_PATH_LOOP</a>;</div>
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno"> 812</span> }</div>
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno"> 813</span> }</div>
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span> </div>
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;check(ctx, sleSrc);</div>
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span>}</div>
</div>
</div>
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> </div>
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> </div>
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span><span class="keyword">namespace </span>test {</div>
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span><span class="comment">// Needed for testing</span></div>
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno"> 822</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00823" data-start="{" data-end="}">
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1test.html#a91cf2fc7663e317304394e597acda7ca"> 823</a></span><a class="code hl_function" href="namespacexrpl_1_1test.html#a91cf2fc7663e317304394e597acda7ca">directStepEqual</a>(<a class="code hl_class" href="classxrpl_1_1Step.html">Step</a> <span class="keyword">const</span>&amp; step, <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; src, <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; dst, <a class="code hl_class" href="classxrpl_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp; currency)</div>
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span>{</div>
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> ds = <span class="keyword">dynamic_cast&lt;</span><a class="code hl_class" href="classxrpl_1_1DirectStepI.html">DirectStepI&lt;DirectIPaymentStep&gt;</a> const*<span class="keyword">&gt;</span>(&amp;step))</div>
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> {</div>
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> <span class="keywordflow">return</span> ds-&gt;src() == src &amp;&amp; ds-&gt;dst() == dst &amp;&amp; ds-&gt;currency() == currency;</div>
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span> }</div>
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno"> 830</span>}</div>
</div>
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span>} <span class="comment">// namespace test</span></div>
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span> </div>
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span> </div>
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"> 835</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;TER, std::unique_ptr&lt;Step&gt;</a>&gt;</div>
<div class="foldopen" id="foldopen00836" data-start="{" data-end="}">
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"><a class="line" href="namespacexrpl.html#aa0c071fe3b43f5e8d039a58558aed77d"> 836</a></span><a class="code hl_function" href="namespacexrpl.html#aa0c071fe3b43f5e8d039a58558aed77d">make_DirectStepI</a>(<a class="code hl_struct" href="structxrpl_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx, <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; src, <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; dst, <a class="code hl_class" href="classxrpl_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp; c)</div>
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span>{</div>
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span> <a class="code hl_class" href="classxrpl_1_1TERSubset.html">TER</a> ter = <a class="code hl_enumvalue" href="namespacexrpl.html#a48cab8527194fbd1cfdacad90f977cf1ad82c16daf201b77d0d1b97acb35467da">tefINTERNAL</a>;</div>
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr&lt;Step&gt;</a> r;</div>
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</span> <span class="keywordflow">if</span> (ctx.<a class="code hl_variable" href="structxrpl_1_1StrandContext.html#af9ef56b8146fb22cfb3e4c98d0420884">offerCrossing</a>)</div>
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span> {</div>
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> <span class="keyword">auto</span> offerCrossingStep = <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::make_unique&lt;DirectIOfferCrossingStep&gt;</a>(ctx, src, dst, c);</div>
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span> ter = offerCrossingStep-&gt;check(ctx);</div>
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> r = std::move(offerCrossingStep);</div>
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span> }</div>
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> <span class="keywordflow">else</span> <span class="comment">// payment</span></div>
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span> {</div>
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> <span class="keyword">auto</span> paymentStep = <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::make_unique&lt;DirectIPaymentStep&gt;</a>(ctx, src, dst, c);</div>
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span> ter = paymentStep-&gt;check(ctx);</div>
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> r = std::move(paymentStep);</div>
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> }</div>
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span> <span class="keywordflow">if</span> (ter != <a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>)</div>
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</span> <span class="keywordflow">return</span> {ter, <span class="keyword">nullptr</span>};</div>
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno"> 854</span> </div>
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno"> 855</span> <span class="keywordflow">return</span> {<a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>, std::move(r)};</div>
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span>}</div>
</div>
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span> </div>
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span>} <span class="comment">// namespace xrpl</span></div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="ttc" id="abasic_ostringstream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostringstream.html">std::ostringstream</a></div></div>
<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div></div>
<div class="ttc" id="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#l00040">Journal.h:41</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_a556228cb60bcf405c225d3f64b7b01ae"><div class="ttname"><a href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">beast::Journal::debug</a></div><div class="ttdeci">Stream debug() const</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00301">Journal.h:301</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#l00295">Journal.h:295</a></div></div>
<div class="ttc" id="aclassxrpl_1_1ApplyView_html"><div class="ttname"><a href="classxrpl_1_1ApplyView.html">xrpl::ApplyView</a></div><div class="ttdoc">Writeable view to a ledger, for applying a transaction.</div><div class="ttdef"><b>Definition</b> <a href="ApplyView_8h_source.html#l00114">ApplyView.h:115</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIOfferCrossingStep_html"><div class="ttname"><a href="classxrpl_1_1DirectIOfferCrossingStep.html">xrpl::DirectIOfferCrossingStep</a></div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00231">DirectStep.cpp:232</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIOfferCrossingStep_html_a30dab58877adbd66126f89d07badc941"><div class="ttname"><a href="classxrpl_1_1DirectIOfferCrossingStep.html#a30dab58877adbd66126f89d07badc941">xrpl::DirectIOfferCrossingStep::quality</a></div><div class="ttdeci">std::uint32_t quality(ReadView const &amp;sb, QualityDirection qDir) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00322">DirectStep.cpp:322</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIOfferCrossingStep_html_a9ad88834eb317f14695e17fcef1e9028"><div class="ttname"><a href="classxrpl_1_1DirectIOfferCrossingStep.html#a9ad88834eb317f14695e17fcef1e9028">xrpl::DirectIOfferCrossingStep::verifyDstQualityIn</a></div><div class="ttdeci">bool verifyDstQualityIn(std::uint32_t dstQIn) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00251">DirectStep.cpp:251</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIOfferCrossingStep_html_abd7947d7cb608fa1aff9b78ff5449fc8"><div class="ttname"><a href="classxrpl_1_1DirectIOfferCrossingStep.html#abd7947d7cb608fa1aff9b78ff5449fc8">xrpl::DirectIOfferCrossingStep::verifyPrevStepDebtDirection</a></div><div class="ttdeci">bool verifyPrevStepDebtDirection(DebtDirection prevStepDir) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00238">DirectStep.cpp:238</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIOfferCrossingStep_html_acea4d36342872272e33f71b9a724d9c1"><div class="ttname"><a href="classxrpl_1_1DirectIOfferCrossingStep.html#acea4d36342872272e33f71b9a724d9c1">xrpl::DirectIOfferCrossingStep::maxFlow</a></div><div class="ttdeci">std::pair&lt; IOUAmount, DebtDirection &gt; maxFlow(ReadView const &amp;sb, IOUAmount const &amp;desired) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00336">DirectStep.cpp:336</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIOfferCrossingStep_html_ae767a26c14a07fbdc50abb3689cd9ab8"><div class="ttname"><a href="classxrpl_1_1DirectIOfferCrossingStep.html#ae767a26c14a07fbdc50abb3689cd9ab8">xrpl::DirectIOfferCrossingStep::logString</a></div><div class="ttdeci">std::string logString() const override</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00274">DirectStep.cpp:274</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIOfferCrossingStep_html_afd768f85c7dada76881e8d3d08c69b24"><div class="ttname"><a href="classxrpl_1_1DirectIOfferCrossingStep.html#afd768f85c7dada76881e8d3d08c69b24">xrpl::DirectIOfferCrossingStep::check</a></div><div class="ttdeci">TER check(StrandContext const &amp;ctx, std::shared_ptr&lt; const SLE &gt; const &amp;sleSrc) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00407">DirectStep.cpp:407</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIPaymentStep_html"><div class="ttname"><a href="classxrpl_1_1DirectIPaymentStep.html">xrpl::DirectIPaymentStep</a></div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00188">DirectStep.cpp:189</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIPaymentStep_html_a0545a1409678a63f0ffc6d6d098cec3d"><div class="ttname"><a href="classxrpl_1_1DirectIPaymentStep.html#a0545a1409678a63f0ffc6d6d098cec3d">xrpl::DirectIPaymentStep::verifyDstQualityIn</a></div><div class="ttdeci">bool verifyDstQualityIn(std::uint32_t dstQIn) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00202">DirectStep.cpp:202</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIPaymentStep_html_a216e2c246cd3d7bde264f29bda1467e9"><div class="ttname"><a href="classxrpl_1_1DirectIPaymentStep.html#a216e2c246cd3d7bde264f29bda1467e9">xrpl::DirectIPaymentStep::quality</a></div><div class="ttdeci">std::uint32_t quality(ReadView const &amp;sb, QualityDirection qDir) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00283">DirectStep.cpp:283</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIPaymentStep_html_a47ad82d0c960f8a7dda518a8f2fe25d7"><div class="ttname"><a href="classxrpl_1_1DirectIPaymentStep.html#a47ad82d0c960f8a7dda518a8f2fe25d7">xrpl::DirectIPaymentStep::maxFlow</a></div><div class="ttdeci">std::pair&lt; IOUAmount, DebtDirection &gt; maxFlow(ReadView const &amp;sb, IOUAmount const &amp;desired) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00330">DirectStep.cpp:330</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIPaymentStep_html_a66dd3d74b036ebb42f363b4377715342"><div class="ttname"><a href="classxrpl_1_1DirectIPaymentStep.html#a66dd3d74b036ebb42f363b4377715342">xrpl::DirectIPaymentStep::verifyPrevStepDebtDirection</a></div><div class="ttdeci">bool verifyPrevStepDebtDirection(DebtDirection) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00195">DirectStep.cpp:195</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIPaymentStep_html_a8e9e9a2646c8e6a2ba398051e08c724f"><div class="ttname"><a href="classxrpl_1_1DirectIPaymentStep.html#a8e9e9a2646c8e6a2ba398051e08c724f">xrpl::DirectIPaymentStep::check</a></div><div class="ttdeci">TER check(StrandContext const &amp;ctx, std::shared_ptr&lt; const SLE &gt; const &amp;sleSrc) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00357">DirectStep.cpp:357</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectIPaymentStep_html_acf5c386fe310e088b69d53ef76ceff51"><div class="ttname"><a href="classxrpl_1_1DirectIPaymentStep.html#acf5c386fe310e088b69d53ef76ceff51">xrpl::DirectIPaymentStep::logString</a></div><div class="ttdeci">std::string logString() const override</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00224">DirectStep.cpp:224</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html">xrpl::DirectStepI</a></div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00019">DirectStep.cpp:20</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a0060ab57a1aa71d65dd68068aa6686f9"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a0060ab57a1aa71d65dd68068aa6686f9">xrpl::DirectStepI::prevStep_</a></div><div class="ttdeci">Step const *const prevStep_</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00027">DirectStep.cpp:27</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a068dd5f7eb4fd1cedc19cce1dff5791e"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a068dd5f7eb4fd1cedc19cce1dff5791e">xrpl::DirectStepI::revImp</a></div><div class="ttdeci">std::pair&lt; IOUAmount, IOUAmount &gt; revImp(PaymentSandbox &amp;sb, ApplyView &amp;afView, boost::container::flat_set&lt; uint256 &gt; &amp;ofrsToRm, IOUAmount const &amp;out)</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00443">DirectStep.cpp:443</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a0a0d969b32f7a4fd7b7c857a271b9632"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a0a0d969b32f7a4fd7b7c857a271b9632">xrpl::DirectStepI::currency</a></div><div class="ttdeci">Currency const &amp; currency() const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00082">DirectStep.cpp:82</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a144de8159f9b690f477d24f0e04c58c5"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a144de8159f9b690f477d24f0e04c58c5">xrpl::DirectStepI::qualitiesSrcIssues</a></div><div class="ttdeci">std::pair&lt; std::uint32_t, std::uint32_t &gt; qualitiesSrcIssues(ReadView const &amp;sb, DebtDirection prevStepDebtDirection) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00677">DirectStep.cpp:677</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a1b2408fa8f54f685acfe928a48e11179"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a1b2408fa8f54f685acfe928a48e11179">xrpl::DirectStepI::qualitiesSrcRedeems</a></div><div class="ttdeci">std::pair&lt; std::uint32_t, std::uint32_t &gt; qualitiesSrcRedeems(ReadView const &amp;sb) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00661">DirectStep.cpp:661</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a2c0a1d29366bf51ad45a720f0f255f3b"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a2c0a1d29366bf51ad45a720f0f255f3b">xrpl::DirectStepI::equal</a></div><div class="ttdeci">bool equal(Step const &amp;rhs) const override</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00169">DirectStep.cpp:169</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a2fe1bfedeae4608b7e1229dabe7bc728"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a2fe1bfedeae4608b7e1229dabe7bc728">xrpl::DirectStepI::isLast_</a></div><div class="ttdeci">bool const isLast_</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00028">DirectStep.cpp:28</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a3fdfa39f57139fd12359e29a10d77073"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a3fdfa39f57139fd12359e29a10d77073">xrpl::DirectStepI::DirectStepI</a></div><div class="ttdeci">DirectStepI(StrandContext const &amp;ctx, AccountID const &amp;src, AccountID const &amp;dst, Currency const &amp;c)</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00066">DirectStep.cpp:66</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a45a6c1a345bfd75064e79770b776cb45"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a45a6c1a345bfd75064e79770b776cb45">xrpl::DirectStepI::fwdImp</a></div><div class="ttdeci">std::pair&lt; IOUAmount, IOUAmount &gt; fwdImp(PaymentSandbox &amp;sb, ApplyView &amp;afView, boost::container::flat_set&lt; uint256 &gt; &amp;ofrsToRm, IOUAmount const &amp;in)</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00550">DirectStep.cpp:550</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a46e7e75ed5297af51198b2b50f8d7d6e"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a46e7e75ed5297af51198b2b50f8d7d6e">xrpl::DirectStepI::setCacheLimiting</a></div><div class="ttdeci">void setCacheLimiting(IOUAmount const &amp;fwdIn, IOUAmount const &amp;fwdSrcToDst, IOUAmount const &amp;fwdOut, DebtDirection srcDebtDir)</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00513">DirectStep.cpp:513</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a6622aef8eac49dd42d83676b8b88eb07"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a6622aef8eac49dd42d83676b8b88eb07">xrpl::DirectStepI::src</a></div><div class="ttdeci">AccountID const &amp; src() const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00072">DirectStep.cpp:72</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a71261ada058249286520f1c10928755f"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a71261ada058249286520f1c10928755f">xrpl::DirectStepI::cachedOut</a></div><div class="ttdeci">std::optional&lt; EitherAmount &gt; cachedOut() const override</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00096">DirectStep.cpp:96</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a79f447ff8fe1c29be51b4a058c57f375"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a79f447ff8fe1c29be51b4a058c57f375">xrpl::DirectStepI::directStepSrcAcct</a></div><div class="ttdeci">std::optional&lt; AccountID &gt; directStepSrcAcct() const override</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00104">DirectStep.cpp:104</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a7c9daf403ab38e09a6d45ce8182178ca"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a7c9daf403ab38e09a6d45ce8182178ca">xrpl::DirectStepI::dst</a></div><div class="ttdeci">AccountID const &amp; dst() const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00077">DirectStep.cpp:77</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a94356051b68af995c7fb65da2cde9b05"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a94356051b68af995c7fb65da2cde9b05">xrpl::DirectStepI::operator==</a></div><div class="ttdeci">friend bool operator==(DirectStepI const &amp;lhs, DirectStepI const &amp;rhs)</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00146">DirectStep.cpp:146</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a967af186e13664b9d8e2d4f73f462877"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a967af186e13664b9d8e2d4f73f462877">xrpl::DirectStepI::qualityUpperBound</a></div><div class="ttdeci">std::pair&lt; std::optional&lt; Quality &gt;, DebtDirection &gt; qualityUpperBound(ReadView const &amp;v, DebtDirection dir) const override</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00724">DirectStep.cpp:724</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_a9cb599dcc3c34b423800b572b19c26cd"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#a9cb599dcc3c34b423800b572b19c26cd">xrpl::DirectStepI::j_</a></div><div class="ttdeci">beast::Journal const j_</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00029">DirectStep.cpp:29</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_aa1f12a402d5633ac08d610f124bdb9d5"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#aa1f12a402d5633ac08d610f124bdb9d5">xrpl::DirectStepI::logStringImpl</a></div><div class="ttdeci">std::string logStringImpl(char const *name) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00159">DirectStep.cpp:159</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_aa97d15ac4f0320602d740f4ef46edd6b"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#aa97d15ac4f0320602d740f4ef46edd6b">xrpl::DirectStepI::src_</a></div><div class="ttdeci">AccountID src_</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00022">DirectStep.cpp:22</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_aaea2f02456184267515e3a995d29935f"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#aaea2f02456184267515e3a995d29935f">xrpl::DirectStepI::lineQualityIn</a></div><div class="ttdeci">std::uint32_t lineQualityIn(ReadView const &amp;v) const override</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00716">DirectStep.cpp:716</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_ab170c3f1acead6d99718f992e13e945f"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#ab170c3f1acead6d99718f992e13e945f">xrpl::DirectStepI::cache_</a></div><div class="ttdeci">std::optional&lt; Cache &gt; cache_</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00044">DirectStep.cpp:44</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_ab2a64971fcaedc85bfaacf741e5c8d9f"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#ab2a64971fcaedc85bfaacf741e5c8d9f">xrpl::DirectStepI::directStepAccts</a></div><div class="ttdeci">std::optional&lt; std::pair&lt; AccountID, AccountID &gt; &gt; directStepAccts() const override</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00110">DirectStep.cpp:110</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_abf7c68ea644197534d3c1a61b7e5456e"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#abf7c68ea644197534d3c1a61b7e5456e">xrpl::DirectStepI::validFwd</a></div><div class="ttdeci">std::pair&lt; bool, EitherAmount &gt; validFwd(PaymentSandbox &amp;sb, ApplyView &amp;afView, EitherAmount const &amp;in) override</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00614">DirectStep.cpp:614</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_ac1c7a27321c0eac5fc0b83fbb574fb21"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#ac1c7a27321c0eac5fc0b83fbb574fb21">xrpl::DirectStepI::qualities</a></div><div class="ttdeci">std::pair&lt; std::uint32_t, std::uint32_t &gt; qualities(ReadView const &amp;sb, DebtDirection srcDebtDir, StrandDirection strandDir) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00697">DirectStep.cpp:697</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_ac87c670f2a55c28f8b9d314731f7e9c0"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#ac87c670f2a55c28f8b9d314731f7e9c0">xrpl::DirectStepI::currency_</a></div><div class="ttdeci">Currency currency_</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00024">DirectStep.cpp:24</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_acb7157ea8b7332c77bfcfd4402cefa51"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#acb7157ea8b7332c77bfcfd4402cefa51">xrpl::DirectStepI::maxPaymentFlow</a></div><div class="ttdeci">std::pair&lt; IOUAmount, DebtDirection &gt; maxPaymentFlow(ReadView const &amp;sb) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00419">DirectStep.cpp:419</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_ad4ab2e0673033b1b09f4b3ef925983e5"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#ad4ab2e0673033b1b09f4b3ef925983e5">xrpl::DirectStepI::debtDirection</a></div><div class="ttdeci">DebtDirection debtDirection(ReadView const &amp;sb, StrandDirection dir) const override</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00432">DirectStep.cpp:432</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_ae1e97a1eaf635ed67ef01d284953409f"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#ae1e97a1eaf635ed67ef01d284953409f">xrpl::DirectStepI::check</a></div><div class="ttdeci">TER check(StrandContext const &amp;ctx) const</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00742">DirectStep.cpp:742</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_ae712f91ef0601b4d5fbd7ae535c2f0d7"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#ae712f91ef0601b4d5fbd7ae535c2f0d7">xrpl::DirectStepI::dst_</a></div><div class="ttdeci">AccountID dst_</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00023">DirectStep.cpp:23</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_ae9a7f7037aa6915d13be318b11441f7c"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#ae9a7f7037aa6915d13be318b11441f7c">xrpl::DirectStepI::operator!=</a></div><div class="ttdeci">friend bool operator!=(DirectStepI const &amp;lhs, DirectStepI const &amp;rhs)</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00152">DirectStep.cpp:152</a></div></div>
<div class="ttc" id="aclassxrpl_1_1DirectStepI_html_aec8c5c9eefd9268e345da2954b8cf5cf"><div class="ttname"><a href="classxrpl_1_1DirectStepI.html#aec8c5c9eefd9268e345da2954b8cf5cf">xrpl::DirectStepI::cachedIn</a></div><div class="ttdeci">std::optional&lt; EitherAmount &gt; cachedIn() const override</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00088">DirectStep.cpp:88</a></div></div>
<div class="ttc" id="aclassxrpl_1_1IOUAmount_html"><div class="ttname"><a href="classxrpl_1_1IOUAmount.html">xrpl::IOUAmount</a></div><div class="ttdoc">Floating point representation of amounts with high dynamic range.</div><div class="ttdef"><b>Definition</b> <a href="IOUAmount_8h_source.html#l00025">IOUAmount.h:26</a></div></div>
<div class="ttc" id="aclassxrpl_1_1IOUAmount_html_a0aa1de3d3f482308ed87a4116d3ee41f"><div class="ttname"><a href="classxrpl_1_1IOUAmount.html#a0aa1de3d3f482308ed87a4116d3ee41f">xrpl::IOUAmount::mantissa</a></div><div class="ttdeci">mantissa_type mantissa() const noexcept</div><div class="ttdef"><b>Definition</b> <a href="IOUAmount_8h_source.html#l00162">IOUAmount.h:162</a></div></div>
<div class="ttc" id="aclassxrpl_1_1IOUAmount_html_a59d7cd75d1a26b7afa49854207cfaa6e"><div class="ttname"><a href="classxrpl_1_1IOUAmount.html#a59d7cd75d1a26b7afa49854207cfaa6e">xrpl::IOUAmount::exponent</a></div><div class="ttdeci">exponent_type exponent() const noexcept</div><div class="ttdef"><b>Definition</b> <a href="IOUAmount_8h_source.html#l00156">IOUAmount.h:156</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Issue_html"><div class="ttname"><a href="classxrpl_1_1Issue.html">xrpl::Issue</a></div><div class="ttdoc">A currency issued by an account.</div><div class="ttdef"><b>Definition</b> <a href="Issue_8h_source.html#l00013">Issue.h:14</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#l00089">PaymentSandbox.h:90</a></div></div>
<div class="ttc" id="aclassxrpl_1_1ReadView_html"><div class="ttname"><a href="classxrpl_1_1ReadView.html">xrpl::ReadView</a></div><div class="ttdoc">A view into a ledger.</div><div class="ttdef"><b>Definition</b> <a href="ReadView_8h_source.html#l00031">ReadView.h:32</a></div></div>
<div class="ttc" id="aclassxrpl_1_1ReadView_html_ae7286da5df8ee36f950cc43fd3a46806"><div class="ttname"><a href="classxrpl_1_1ReadView.html#ae7286da5df8ee36f950cc43fd3a46806">xrpl::ReadView::read</a></div><div class="ttdeci">virtual std::shared_ptr&lt; SLE const &gt; read(Keylet const &amp;k) const =0</div><div class="ttdoc">Return the state item associated with a key.</div></div>
<div class="ttc" id="aclassxrpl_1_1STAmount_html"><div class="ttname"><a href="classxrpl_1_1STAmount.html">xrpl::STAmount</a></div><div class="ttdef"><b>Definition</b> <a href="STAmount_8h_source.html#l00030">STAmount.h:31</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Step_html"><div class="ttname"><a href="classxrpl_1_1Step.html">xrpl::Step</a></div><div class="ttdoc">A step in a payment path.</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00066">Steps.h:67</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Step_html_a3aa84ff7fe8661de5b1b97cd13d3f193"><div class="ttname"><a href="classxrpl_1_1Step.html#a3aa84ff7fe8661de5b1b97cd13d3f193">xrpl::Step::directStepSrcAcct</a></div><div class="ttdeci">virtual std::optional&lt; AccountID &gt; directStepSrcAcct() const</div><div class="ttdoc">If this step is DirectStepI (IOU-&gt;IOU direct step), return the src account.</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00126">Steps.h:126</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Step_html_ac64e56909c6bb184f7b3d88bd4b4b9c8"><div class="ttname"><a href="classxrpl_1_1Step.html#ac64e56909c6bb184f7b3d88bd4b4b9c8">xrpl::Step::bookStepBook</a></div><div class="ttdeci">virtual std::optional&lt; Book &gt; bookStepBook() const</div><div class="ttdoc">If this step is a BookStep, return the book.</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00205">Steps.h:205</a></div></div>
<div class="ttc" id="aclassxrpl_1_1TERSubset_html"><div class="ttname"><a href="classxrpl_1_1TERSubset.html">xrpl::TERSubset&lt; CanCvtToTER &gt;</a></div></div>
<div class="ttc" id="aclassxrpl_1_1base__uint_html"><div class="ttname"><a href="classxrpl_1_1base__uint.html">xrpl::base_uint&lt; 160, detail::AccountIDTag &gt;</a></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="amake_pair_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/pair/make_pair.html">std::make_pair</a></div><div class="ttdeci">T make_pair(T... args)</div></div>
<div class="ttc" id="anamespacexrpl_1_1keylet_html_aa21a42ef67381b26994fa7a9960b1306"><div class="ttname"><a href="namespacexrpl_1_1keylet.html#aa21a42ef67381b26994fa7a9960b1306">xrpl::keylet::line</a></div><div class="ttdeci">Keylet line(AccountID const &amp;id0, AccountID const &amp;id1, Currency const &amp;currency) noexcept</div><div class="ttdoc">The index of a trust line for a given currency.</div><div class="ttdef"><b>Definition</b> <a href="Indexes_8cpp_source.html#l00214">Indexes.cpp:214</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1keylet_html_ac5d7a88f7cef6ac1ddf06020da8ded16"><div class="ttname"><a href="namespacexrpl_1_1keylet.html#ac5d7a88f7cef6ac1ddf06020da8ded16">xrpl::keylet::account</a></div><div class="ttdeci">Keylet account(AccountID const &amp;id) noexcept</div><div class="ttdoc">AccountID root.</div><div class="ttdef"><b>Definition</b> <a href="Indexes_8cpp_source.html#l00160">Indexes.cpp:160</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1test_html_a91cf2fc7663e317304394e597acda7ca"><div class="ttname"><a href="namespacexrpl_1_1test.html#a91cf2fc7663e317304394e597acda7ca">xrpl::test::directStepEqual</a></div><div class="ttdeci">bool directStepEqual(Step const &amp;step, AccountID const &amp;src, AccountID const &amp;dst, Currency const &amp;currency)</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00823">DirectStep.cpp:823</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#l00006">algorithm.h:6</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a0a6c86e55d58f0dfb3d535c11e414c72a4ed54486704c45eb9c95d66396b84fd3"><div class="ttname"><a href="namespacexrpl.html#a0a6c86e55d58f0dfb3d535c11e414c72a4ed54486704c45eb9c95d66396b84fd3">xrpl::terNO_LINE</a></div><div class="ttdeci">@ terNO_LINE</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00200">TER.h:200</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a0a6c86e55d58f0dfb3d535c11e414c72a68a005edba707744ed6116c4aa697561"><div class="ttname"><a href="namespacexrpl.html#a0a6c86e55d58f0dfb3d535c11e414c72a68a005edba707744ed6116c4aa697561">xrpl::terNO_AUTH</a></div><div class="ttdeci">@ terNO_AUTH</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00199">TER.h:199</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a0a6c86e55d58f0dfb3d535c11e414c72ab73d1fba31ff4030e0b64464fdfc7e89"><div class="ttname"><a href="namespacexrpl.html#a0a6c86e55d58f0dfb3d535c11e414c72ab73d1fba31ff4030e0b64464fdfc7e89">xrpl::terNO_RIPPLE</a></div><div class="ttdeci">@ terNO_RIPPLE</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00205">TER.h:205</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a0a6c86e55d58f0dfb3d535c11e414c72ad71aaf9032f8c48b6fe709fbc44d431e"><div class="ttname"><a href="namespacexrpl.html#a0a6c86e55d58f0dfb3d535c11e414c72ad71aaf9032f8c48b6fe709fbc44d431e">xrpl::terNO_ACCOUNT</a></div><div class="ttdeci">@ terNO_ACCOUNT</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00198">TER.h:198</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a1751722455e1d7c781d2cc897403a534aeb491d70a36a5ebbcce26afb3d50c868"><div class="ttname"><a href="namespacexrpl.html#a1751722455e1d7c781d2cc897403a534aeb491d70a36a5ebbcce26afb3d50c868">xrpl::fhIGNORE_FREEZE</a></div><div class="ttdeci">@ fhIGNORE_FREEZE</div><div class="ttdef"><b>Definition</b> <a href="View_8h_source.html#l00059">View.h:59</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#l00598">base_uint.h:598</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a40e86ef937741d6bead51310df36a89e"><div class="ttname"><a href="namespacexrpl.html#a40e86ef937741d6bead51310df36a89e">xrpl::toSTAmount</a></div><div class="ttdeci">STAmount toSTAmount(IOUAmount const &amp;iou, Issue const &amp;iss)</div><div class="ttdef"><b>Definition</b> <a href="AmountConversions_8h_source.html#l00013">AmountConversions.h:13</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a48cab8527194fbd1cfdacad90f977cf1ad82c16daf201b77d0d1b97acb35467da"><div class="ttname"><a href="namespacexrpl.html#a48cab8527194fbd1cfdacad90f977cf1ad82c16daf201b77d0d1b97acb35467da">xrpl::tefINTERNAL</a></div><div class="ttdeci">@ tefINTERNAL</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00154">TER.h:154</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a4f5cf1d4503b195f0d8640b978e13edf"><div class="ttname"><a href="namespacexrpl.html#a4f5cf1d4503b195f0d8640b978e13edf">xrpl::accountHolds</a></div><div class="ttdeci">STAmount accountHolds(ReadView const &amp;view, AccountID const &amp;account, Currency const &amp;currency, AccountID const &amp;issuer, FreezeHandling zeroIfFrozen, beast::Journal j, SpendableHandling includeFullBalance=shSIMPLE_BALANCE)</div><div class="ttdef"><b>Definition</b> <a href="View_8cpp_source.html#l00392">View.cpp:392</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a6827ba10f9a74582eb39009494f651a7"><div class="ttname"><a href="namespacexrpl.html#a6827ba10f9a74582eb39009494f651a7">xrpl::creditLimit</a></div><div class="ttdeci">STAmount creditLimit(ReadView const &amp;view, AccountID const &amp;account, AccountID const &amp;issuer, Currency const &amp;currency)</div><div class="ttdoc">Calculate the maximum amount of IOUs that an account can hold.</div><div class="ttdef"><b>Definition</b> <a href="Credit_8cpp_source.html#l00009">Credit.cpp:9</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#l00023">Steps.h:23</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e"><div class="ttname"><a href="namespacexrpl.html#a68545644b747368471f97d17192a054da7e611dd9f79193db43a5e9983752239e">xrpl::DebtDirection::redeems</a></div><div class="ttdeci">@ redeems</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_a79a793a19f9bf2aad6e7b82772743ae8"><div class="ttname"><a href="namespacexrpl.html#a79a793a19f9bf2aad6e7b82772743ae8">xrpl::StrandDirection</a></div><div class="ttdeci">StrandDirection</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_a79a793a19f9bf2aad6e7b82772743ae8a4d9c2073afa3c2abb817dceb22c34de6"><div class="ttname"><a href="namespacexrpl.html#a79a793a19f9bf2aad6e7b82772743ae8a4d9c2073afa3c2abb817dceb22c34de6">xrpl::StrandDirection::reverse</a></div><div class="ttdeci">@ reverse</div></div>
<div class="ttc" id="anamespacexrpl_html_a79a793a19f9bf2aad6e7b82772743ae8a965dbaac085fc891bfbbd4f9d145bbc8"><div class="ttname"><a href="namespacexrpl.html#a79a793a19f9bf2aad6e7b82772743ae8a965dbaac085fc891bfbbd4f9d145bbc8">xrpl::StrandDirection::forward</a></div><div class="ttdeci">@ forward</div></div>
<div class="ttc" id="anamespacexrpl_html_a7d80263dd562d13fe89a37179552979b"><div class="ttname"><a href="namespacexrpl.html#a7d80263dd562d13fe89a37179552979b">xrpl::creditLimit2</a></div><div class="ttdeci">IOUAmount creditLimit2(ReadView const &amp;v, AccountID const &amp;acc, AccountID const &amp;iss, Currency const &amp;cur)</div><div class="ttdef"><b>Definition</b> <a href="Credit_8cpp_source.html#l00027">Credit.cpp:27</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a8c276c0296ec751cf0e0eb51dbc7f72d"><div class="ttname"><a href="namespacexrpl.html#a8c276c0296ec751cf0e0eb51dbc7f72d">xrpl::QualityDirection</a></div><div class="ttdeci">QualityDirection</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00024">Steps.h:24</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_a95cb9e673d3664d7921976d476b2479d"><div class="ttname"><a href="namespacexrpl.html#a95cb9e673d3664d7921976d476b2479d">xrpl::mulRatio</a></div><div class="ttdeci">IOUAmount mulRatio(IOUAmount const &amp;amt, std::uint32_t num, std::uint32_t den, bool roundUp)</div><div class="ttdef"><b>Definition</b> <a href="IOUAmount_8cpp_source.html#l00184">IOUAmount.cpp:184</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a986de5f13b12ee8a23b63d3f400f6a6a"><div class="ttname"><a href="namespacexrpl.html#a986de5f13b12ee8a23b63d3f400f6a6a">xrpl::transferRate</a></div><div class="ttdeci">Rate transferRate(ReadView const &amp;view, AccountID const &amp;issuer)</div><div class="ttdoc">Returns IOU issuer transfer fee as Rate.</div><div class="ttdef"><b>Definition</b> <a href="View_8cpp_source.html#l00699">View.cpp:699</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aa015618994b0cce328fc694674888af9"><div class="ttname"><a href="namespacexrpl.html#aa015618994b0cce328fc694674888af9">xrpl::checkFreeze</a></div><div class="ttdeci">TER checkFreeze(ReadView const &amp;view, AccountID const &amp;src, AccountID const &amp;dst, Currency const &amp;currency)</div><div class="ttdef"><b>Definition</b> <a href="StepChecks_8h_source.html#l00014">StepChecks.h:14</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aa02ddd7fd103324c4ac6c80efc16f1bd"><div class="ttname"><a href="namespacexrpl.html#aa02ddd7fd103324c4ac6c80efc16f1bd">xrpl::creditBalance</a></div><div class="ttdeci">STAmount creditBalance(ReadView const &amp;view, AccountID const &amp;account, AccountID const &amp;issuer, Currency const &amp;currency)</div><div class="ttdoc">Returns the amount of IOUs issued by issuer that are held by an account.</div><div class="ttdef"><b>Definition</b> <a href="Credit_8cpp_source.html#l00033">Credit.cpp:33</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aa06bc7c24be6a54510ae1fe4c78351c7"><div class="ttname"><a href="namespacexrpl.html#aa06bc7c24be6a54510ae1fe4c78351c7">xrpl::getRate</a></div><div class="ttdeci">std::uint64_t getRate(STAmount const &amp;offerOut, STAmount const &amp;offerIn)</div><div class="ttdef"><b>Definition</b> <a href="STAmount_8cpp_source.html#l00434">STAmount.cpp:434</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aa0c071fe3b43f5e8d039a58558aed77d"><div class="ttname"><a href="namespacexrpl.html#aa0c071fe3b43f5e8d039a58558aed77d">xrpl::make_DirectStepI</a></div><div class="ttdeci">std::pair&lt; TER, std::unique_ptr&lt; Step &gt; &gt; make_DirectStepI(StrandContext const &amp;ctx, AccountID const &amp;src, AccountID const &amp;dst, Currency const &amp;c)</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00836">DirectStep.cpp:836</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aab50bc6507009d86015fe364757d6bf8"><div class="ttname"><a href="namespacexrpl.html#aab50bc6507009d86015fe364757d6bf8">xrpl::checkNear</a></div><div class="ttdeci">bool checkNear(IOUAmount const &amp;expected, IOUAmount const &amp;actual)</div><div class="ttdef"><b>Definition</b> <a href="PaySteps_8cpp_source.html#l00015">PaySteps.cpp:15</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ac8c50610643a4f902b9bb9e42d0b00e6a0fded369a7b2b94ede175682bd55e0de"><div class="ttname"><a href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a0fded369a7b2b94ede175682bd55e0de">xrpl::temBAD_PATH</a></div><div class="ttdeci">@ temBAD_PATH</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00077">TER.h:77</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ac8c50610643a4f902b9bb9e42d0b00e6a6f0393e7cb86f213b71df42a2a9d6d3a"><div class="ttname"><a href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a6f0393e7cb86f213b71df42a2a9d6d3a">xrpl::temBAD_PATH_LOOP</a></div><div class="ttdeci">@ temBAD_PATH_LOOP</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00078">TER.h:78</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aca16307bc2bd096a064cbce3af895ac9"><div class="ttname"><a href="namespacexrpl.html#aca16307bc2bd096a064cbce3af895ac9">xrpl::toAmount&lt; IOUAmount &gt;</a></div><div class="ttdeci">IOUAmount toAmount&lt; IOUAmount &gt;(STAmount const &amp;amt)</div><div class="ttdef"><b>Definition</b> <a href="AmountConversions_8h_source.html#l00053">AmountConversions.h:54</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#l00276">TER.h:276</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ad8654d9007aa58a4e2dfa3ebb1dde515"><div class="ttname"><a href="namespacexrpl.html#ad8654d9007aa58a4e2dfa3ebb1dde515">xrpl::checkNoRipple</a></div><div class="ttdeci">TER checkNoRipple(ReadView const &amp;view, AccountID const &amp;prev, AccountID const &amp;cur, AccountID const &amp;next, Currency const &amp;currency, beast::Journal j)</div><div class="ttdef"><b>Definition</b> <a href="StepChecks_8h_source.html#l00060">StepChecks.h:60</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ada4805619214865518ed8c0b54a71bc1a39b9fffa7b098bb35902f142c5725d5a"><div class="ttname"><a href="namespacexrpl.html#ada4805619214865518ed8c0b54a71bc1a39b9fffa7b098bb35902f142c5725d5a">xrpl::lsfRequireAuth</a></div><div class="ttdeci">@ lsfRequireAuth</div><div class="ttdef"><b>Definition</b> <a href="LedgerFormats_8h_source.html#l00110">LedgerFormats.h:109</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ada4805619214865518ed8c0b54a71bc1aa2b7aecef23810305f33e9c5080ac3f5"><div class="ttname"><a href="namespacexrpl.html#ada4805619214865518ed8c0b54a71bc1aa2b7aecef23810305f33e9c5080ac3f5">xrpl::lsfLowNoRipple</a></div><div class="ttdeci">@ lsfLowNoRipple</div><div class="ttdef"><b>Definition</b> <a href="LedgerFormats_8h_source.html#l00144">LedgerFormats.h:144</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ada4805619214865518ed8c0b54a71bc1ab0719704601b7bedcb67bf1129f103ec"><div class="ttname"><a href="namespacexrpl.html#ada4805619214865518ed8c0b54a71bc1ab0719704601b7bedcb67bf1129f103ec">xrpl::lsfLowAuth</a></div><div class="ttdeci">@ lsfLowAuth</div><div class="ttdef"><b>Definition</b> <a href="LedgerFormats_8h_source.html#l00142">LedgerFormats.h:142</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ada4805619214865518ed8c0b54a71bc1ac3365ef8ec7d885fbfa5217d05c2c346"><div class="ttname"><a href="namespacexrpl.html#ada4805619214865518ed8c0b54a71bc1ac3365ef8ec7d885fbfa5217d05c2c346">xrpl::lsfHighNoRipple</a></div><div class="ttdeci">@ lsfHighNoRipple</div><div class="ttdef"><b>Definition</b> <a href="LedgerFormats_8h_source.html#l00145">LedgerFormats.h:145</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ada4805619214865518ed8c0b54a71bc1aefa8ce9e509559a2073b2134e992113f"><div class="ttname"><a href="namespacexrpl.html#ada4805619214865518ed8c0b54a71bc1aefa8ce9e509559a2073b2134e992113f">xrpl::lsfHighAuth</a></div><div class="ttdeci">@ lsfHighAuth</div><div class="ttdef"><b>Definition</b> <a href="LedgerFormats_8h_source.html#l00143">LedgerFormats.h:143</a></div></div>
<div class="ttc" id="anamespacexrpl_html_af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976"><div class="ttname"><a href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">xrpl::tesSUCCESS</a></div><div class="ttdeci">@ tesSUCCESS</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00227">TER.h:226</a></div></div>
<div class="ttc" id="anamespacexrpl_html_afa8dc3855d56c8c966efa9fec5e42621"><div class="ttname"><a href="namespacexrpl.html#afa8dc3855d56c8c966efa9fec5e42621">xrpl::rippleCredit</a></div><div class="ttdeci">TER rippleCredit(ApplyView &amp;view, AccountID const &amp;uSenderID, AccountID const &amp;uReceiverID, STAmount const &amp;saAmount, bool bCheckIssuer, beast::Journal j)</div><div class="ttdoc">Calls static rippleCreditIOU if saAmount represents Issue.</div><div class="ttdef"><b>Definition</b> <a href="View_8cpp_source.html#l03083">View.cpp:3083</a></div></div>
<div class="ttc" id="anumeric_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/numeric.html">numeric</a></div></div>
<div class="ttc" id="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="apair_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair</a></div></div>
<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a></div></div>
<div class="ttc" id="asstream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/sstream.html">sstream</a></div></div>
<div class="ttc" id="astr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostringstream/str.html">std::ostringstream::str</a></div><div class="ttdeci">T str(T... args)</div></div>
<div class="ttc" id="astructxrpl_1_1DirectStepI_1_1Cache_html"><div class="ttname"><a href="structxrpl_1_1DirectStepI_1_1Cache.html">xrpl::DirectStepI::Cache</a></div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00031">DirectStep.cpp:32</a></div></div>
<div class="ttc" id="astructxrpl_1_1DirectStepI_1_1Cache_html_a02d884398b4b3fac7ff7666cbc0207f8"><div class="ttname"><a href="structxrpl_1_1DirectStepI_1_1Cache.html#a02d884398b4b3fac7ff7666cbc0207f8">xrpl::DirectStepI::Cache::srcToDst</a></div><div class="ttdeci">IOUAmount srcToDst</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00034">DirectStep.cpp:34</a></div></div>
<div class="ttc" id="astructxrpl_1_1DirectStepI_1_1Cache_html_a3a7eec18e18bfff5a3b1aa862311284b"><div class="ttname"><a href="structxrpl_1_1DirectStepI_1_1Cache.html#a3a7eec18e18bfff5a3b1aa862311284b">xrpl::DirectStepI::Cache::in</a></div><div class="ttdeci">IOUAmount in</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00033">DirectStep.cpp:33</a></div></div>
<div class="ttc" id="astructxrpl_1_1DirectStepI_1_1Cache_html_a4ca6b5495c038e49ae13d3a21736ea0a"><div class="ttname"><a href="structxrpl_1_1DirectStepI_1_1Cache.html#a4ca6b5495c038e49ae13d3a21736ea0a">xrpl::DirectStepI::Cache::Cache</a></div><div class="ttdeci">Cache(IOUAmount const &amp;in_, IOUAmount const &amp;srcToDst_, IOUAmount const &amp;out_, DebtDirection srcDebtDir_)</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00038">DirectStep.cpp:38</a></div></div>
<div class="ttc" id="astructxrpl_1_1DirectStepI_1_1Cache_html_a92a9039875fdffb7402abb2883aa75a2"><div class="ttname"><a href="structxrpl_1_1DirectStepI_1_1Cache.html#a92a9039875fdffb7402abb2883aa75a2">xrpl::DirectStepI::Cache::srcDebtDir</a></div><div class="ttdeci">DebtDirection srcDebtDir</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00036">DirectStep.cpp:36</a></div></div>
<div class="ttc" id="astructxrpl_1_1DirectStepI_1_1Cache_html_afb5f5c2ae2fb14a893a6e49876cffb52"><div class="ttname"><a href="structxrpl_1_1DirectStepI_1_1Cache.html#afb5f5c2ae2fb14a893a6e49876cffb52">xrpl::DirectStepI::Cache::out</a></div><div class="ttdeci">IOUAmount out</div><div class="ttdef"><b>Definition</b> <a href="DirectStep_8cpp_source.html#l00035">DirectStep.cpp:35</a></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#l00040">AmountSpec.h:41</a></div></div>
<div class="ttc" id="astructxrpl_1_1Rate_html_a6ec5042462b69ef01e253ca885f3066e"><div class="ttname"><a href="structxrpl_1_1Rate.html#a6ec5042462b69ef01e253ca885f3066e">xrpl::Rate::value</a></div><div class="ttdeci">std::uint32_t value</div><div class="ttdef"><b>Definition</b> <a href="Rate_8h_source.html#l00022">Rate.h:22</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandContext_html"><div class="ttname"><a href="structxrpl_1_1StrandContext.html">xrpl::StrandContext</a></div><div class="ttdoc">Context needed to build Strand Steps and for error checking.</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00508">Steps.h:509</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandContext_html_a3d711ffe4c663842d70402caaab85975"><div class="ttname"><a href="structxrpl_1_1StrandContext.html#a3d711ffe4c663842d70402caaab85975">xrpl::StrandContext::seenBookOuts</a></div><div class="ttdeci">boost::container::flat_set&lt; Issue &gt; &amp; seenBookOuts</div><div class="ttdoc">A strand may not include an offer that output the same issue more than once.</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00534">Steps.h:534</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandContext_html_a7c0c71ab148f34a75cf2a929663785f6"><div class="ttname"><a href="structxrpl_1_1StrandContext.html#a7c0c71ab148f34a75cf2a929663785f6">xrpl::StrandContext::strandSize</a></div><div class="ttdeci">size_t const strandSize</div><div class="ttdoc">Length of Strand.</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00520">Steps.h:520</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandContext_html_a817d708de9c56a122c4c02bade35909e"><div class="ttname"><a href="structxrpl_1_1StrandContext.html#a817d708de9c56a122c4c02bade35909e">xrpl::StrandContext::view</a></div><div class="ttdeci">ReadView const &amp; view</div><div class="ttdoc">Current ReadView.</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00510">Steps.h:510</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandContext_html_a8685252ee549c3e142700498f2567618"><div class="ttname"><a href="structxrpl_1_1StrandContext.html#a8685252ee549c3e142700498f2567618">xrpl::StrandContext::isFirst</a></div><div class="ttdeci">bool const isFirst</div><div class="ttdoc">true if Step is first in Strand</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00515">Steps.h:515</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandContext_html_aa7456247da2bad22b8b71e6b913e7cad"><div class="ttname"><a href="structxrpl_1_1StrandContext.html#aa7456247da2bad22b8b71e6b913e7cad">xrpl::StrandContext::isLast</a></div><div class="ttdeci">bool const isLast</div><div class="ttdoc">true if Step is last in Strand</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00516">Steps.h:516</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandContext_html_ad6557fe637f4599a953f9f05a6e2d9b5"><div class="ttname"><a href="structxrpl_1_1StrandContext.html#ad6557fe637f4599a953f9f05a6e2d9b5">xrpl::StrandContext::seenDirectIssues</a></div><div class="ttdeci">std::array&lt; boost::container::flat_set&lt; Issue &gt;, 2 &gt; &amp; seenDirectIssues</div><div class="ttdoc">A strand may not include the same account node more than once in the same currency.</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00530">Steps.h:530</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandContext_html_ae747ed179c9b8ab7cfcc36190f9c526c"><div class="ttname"><a href="structxrpl_1_1StrandContext.html#ae747ed179c9b8ab7cfcc36190f9c526c">xrpl::StrandContext::prevStep</a></div><div class="ttdeci">Step const *const prevStep</div><div class="ttdoc">The previous step in the strand.</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00524">Steps.h:524</a></div></div>
<div class="ttc" id="astructxrpl_1_1StrandContext_html_af9ef56b8146fb22cfb3e4c98d0420884"><div class="ttname"><a href="structxrpl_1_1StrandContext.html#af9ef56b8146fb22cfb3e4c98d0420884">xrpl::StrandContext::offerCrossing</a></div><div class="ttdeci">OfferCrossing const offerCrossing</div><div class="ttdoc">Yes/Sell if offer crossing, not payment.</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00518">Steps.h:518</a></div></div>
<div class="ttc" id="astructxrpl_1_1TypedField_html"><div class="ttname"><a href="structxrpl_1_1TypedField.html">xrpl::TypedField</a></div><div class="ttdoc">A field with a type known at compile time.</div><div class="ttdef"><b>Definition</b> <a href="SField_8h_source.html#l00301">SField.h:302</a></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><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by&#160;<a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.8
</small></address>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink