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<li class="navelem"><a class="el" href="dir_a62226f9e3a6c7c5a3be455e2f87ae01.html">xrpld</a></li><li class="navelem"><a class="el" href="dir_c69db3203fa08a9ff994909ba6ee9783.html">app</a></li><li class="navelem"><a class="el" href="dir_a6d14a898e5042b88feceb06bece5732.html">paths</a></li><li class="navelem"><a class="el" href="dir_4236dcdf923f97c252e0c826c4e7f6d7.html">detail</a></li> </ul>
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<div class="headertitle"><div class="title">BookStep.cpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">/*</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> Copyright (c) 2012, 2013 Ripple Labs Inc.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"></span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"></span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">*/</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment">//==============================================================================</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;xrpld/app/misc/AMMUtils.h&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;xrpld/app/paths/AMMLiquidity.h&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;xrpld/app/paths/AMMOffer.h&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include &lt;xrpld/app/paths/detail/FlatSets.h&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include &lt;xrpld/app/paths/detail/Steps.h&gt;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &lt;xrpld/app/tx/detail/OfferStream.h&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include &lt;xrpl/basics/Log.h&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include &lt;xrpl/basics/contract.h&gt;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include &lt;xrpl/beast/utility/instrumentation.h&gt;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include &lt;xrpl/ledger/PaymentSandbox.h&gt;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include &lt;xrpl/protocol/Book.h&gt;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include &lt;xrpl/protocol/Feature.h&gt;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include &lt;xrpl/protocol/IOUAmount.h&gt;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include &lt;xrpl/protocol/Quality.h&gt;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include &lt;xrpl/protocol/XRPAmount.h&gt;</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include &lt;boost/container/flat_set.hpp&gt;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="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="l00040" name="l00040"></a><span class="lineno"> 40</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="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</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"> 44</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="foldopen" id="foldopen00045" data-start="{" data-end="};">
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html"> 45</a></span><span class="keyword">class </span><a class="code hl_class" href="classripple_1_1BookStep.html">BookStep</a> : <span class="keyword">public</span> StepImp&lt;TIn, TOut, BookStep&lt;TIn, TOut, TDerived&gt;&gt;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span>{</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a3de148b04c2f04ef3f46a569f8d63d0b"> 48</a></span> <span class="keyword">enum class</span> <a class="code hl_enumeration" href="classripple_1_1BookStep.html#a3de148b04c2f04ef3f46a569f8d63d0b">OfferType</a> { <a class="code hl_enumvalue" href="classripple_1_1BookStep.html#a3de148b04c2f04ef3f46a569f8d63d0babd09c58ee620c0fdf33d2cdeb88eaaee">AMM</a>, <a class="code hl_enumvalue" href="classripple_1_1BookStep.html#a3de148b04c2f04ef3f46a569f8d63d0baad7a3bfadd59ca663ebce3c36215db0d">CLOB</a> };</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a925c57512ede5d203352ce86ae740818"> 50</a></span> uint32_t <span class="keyword">const</span> <a class="code hl_variable" href="classripple_1_1BookStep.html#a925c57512ede5d203352ce86ae740818">maxOffersToConsume_</a>;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36"> 51</a></span> <a class="code hl_class" href="classripple_1_1Book.html">Book</a> <a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#afcfc11f791a68e736bda624503a8496d"> 52</a></span> <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <a class="code hl_variable" href="classripple_1_1BookStep.html#afcfc11f791a68e736bda624503a8496d">strandSrc_</a>;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#aca9d4f2a380bfab569355b12fbbab6ee"> 53</a></span> <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <a class="code hl_variable" href="classripple_1_1BookStep.html#aca9d4f2a380bfab569355b12fbbab6ee">strandDst_</a>;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// Charge transfer fees when the prev step redeems</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#aa509ba8767d485dba40e339b745c5558"> 55</a></span> <a class="code hl_class" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>* <span class="keyword">const</span> <a class="code hl_variable" href="classripple_1_1BookStep.html#aa509ba8767d485dba40e339b745c5558">prevStep_</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#aea2831bee7a5772916195fa1489cb09c"> 56</a></span> <span class="keywordtype">bool</span> <span class="keyword">const</span> <a class="code hl_variable" href="classripple_1_1BookStep.html#aea2831bee7a5772916195fa1489cb09c">ownerPaysTransferFee_</a>;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// Mark as inactive (dry) if too many offers are consumed</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ae94d993f7db69ca6aaa4517b02292ec0"> 58</a></span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="classripple_1_1BookStep.html#ae94d993f7db69ca6aaa4517b02292ec0">inactive_</a> = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a299b70f6c07de70b1bea38dda9200882"> 66</a></span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <a class="code hl_variable" href="classripple_1_1BookStep.html#a299b70f6c07de70b1bea38dda9200882">offersUsed_</a> = 0;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// If set, AMM liquidity might be available</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// if AMM offer quality is better than CLOB offer</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// quality or there is no CLOB offer.</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a0c97112fdc6d159607fa01683d1dd8ca"> 70</a></span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;AMMLiquidity&lt;TIn, TOut&gt;</a>&gt; <a class="code hl_variable" href="classripple_1_1BookStep.html#a0c97112fdc6d159607fa01683d1dd8ca">ammLiquidity_</a>;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#af1c9df4f070826ec65ea8cb4760f436a"> 71</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="classripple_1_1BookStep.html#af1c9df4f070826ec65ea8cb4760f436a">j_</a>;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="foldopen" id="foldopen00073" data-start="{" data-end="};">
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"><a class="line" href="structripple_1_1BookStep_1_1Cache.html"> 73</a></span> <span class="keyword">struct </span><a class="code hl_struct" href="structripple_1_1BookStep_1_1Cache.html">Cache</a></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> {</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"><a class="line" href="structripple_1_1BookStep_1_1Cache.html#a25f4c5b9949c11ed36a541ed4adfdc1a"> 75</a></span> TIn <a class="code hl_variable" href="structripple_1_1BookStep_1_1Cache.html#a25f4c5b9949c11ed36a541ed4adfdc1a">in</a>;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"><a class="line" href="structripple_1_1BookStep_1_1Cache.html#aa88676770cdf9b05078d49a8bb3b3d45"> 76</a></span> TOut <a class="code hl_variable" href="structripple_1_1BookStep_1_1Cache.html#aa88676770cdf9b05078d49a8bb3b3d45">out</a>;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="foldopen" id="foldopen00078" data-start="{" data-end="}">
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="structripple_1_1BookStep_1_1Cache.html#a99dd72c5f6f213fabc063a6885a94a78"> 78</a></span> <a class="code hl_function" href="structripple_1_1BookStep_1_1Cache.html#a99dd72c5f6f213fabc063a6885a94a78">Cache</a>(TIn <span class="keyword">const</span>&amp; in_, TOut <span class="keyword">const</span>&amp; out_) : <a class="code hl_variable" href="structripple_1_1BookStep_1_1Cache.html#a25f4c5b9949c11ed36a541ed4adfdc1a">in</a>(in_), <a class="code hl_variable" href="structripple_1_1BookStep_1_1Cache.html#aa88676770cdf9b05078d49a8bb3b3d45">out</a>(out_)</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> {</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> };</div>
</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#afc3ab79671a0301e2679b9929ae80640"> 83</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="classripple_1_1BookStep.html#afc3ab79671a0301e2679b9929ae80640">cache_</a>;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">static</span> uint32_t</div>
<div class="foldopen" id="foldopen00086" data-start="{" data-end="}">
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#adc5b4e33834322d5f72e4269c5e9e99e"> 86</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#adc5b4e33834322d5f72e4269c5e9e99e">getMaxOffersToConsume</a>(<a class="code hl_struct" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx)</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> {</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">if</span> (ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>.<a class="code hl_function" href="classripple_1_1ReadView.html#aceb3d74acaae18b238022337e5f250ce">rules</a>().<a class="code hl_function" href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">enabled</a>(fix1515))</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">return</span> 1000;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">return</span> 2000;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> }</div>
</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="keyword">public</span>:</div>
<div class="foldopen" id="foldopen00094" data-start="{" data-end="}">
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ab23316f1d5eeccb27abb43e2300134f0"> 94</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#ab23316f1d5eeccb27abb43e2300134f0">BookStep</a>(<a class="code hl_struct" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx, <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>)</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> : <a class="code hl_variable" href="classripple_1_1BookStep.html#a925c57512ede5d203352ce86ae740818">maxOffersToConsume_</a>(<a class="code hl_function" href="classripple_1_1BookStep.html#adc5b4e33834322d5f72e4269c5e9e99e">getMaxOffersToConsume</a>(ctx))</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> , <a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>(<a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>, ctx.domainID)</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> , <a class="code hl_variable" href="classripple_1_1BookStep.html#afcfc11f791a68e736bda624503a8496d">strandSrc_</a>(ctx.strandSrc)</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> , <a class="code hl_variable" href="classripple_1_1BookStep.html#aca9d4f2a380bfab569355b12fbbab6ee">strandDst_</a>(ctx.strandDst)</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> , <a class="code hl_variable" href="classripple_1_1BookStep.html#aa509ba8767d485dba40e339b745c5558">prevStep_</a>(ctx.prevStep)</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> , <a class="code hl_variable" href="classripple_1_1BookStep.html#aea2831bee7a5772916195fa1489cb09c">ownerPaysTransferFee_</a>(ctx.ownerPaysTransferFee)</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> , <a class="code hl_variable" href="classripple_1_1BookStep.html#af1c9df4f070826ec65ea8cb4760f436a">j_</a>(ctx.j)</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> {</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> ammSle = ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>.<a class="code hl_function" href="classripple_1_1ReadView.html#a0583a050ea7799ba331f6222a905f304">read</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#a54b18d5d8dab25d338f7e105bea1068b">keylet::amm</a>(<a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>));</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> ammSle &amp;&amp; ammSle-&gt;getFieldAmount(sfLPTokenBalance) != beast::zero)</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <a class="code hl_variable" href="classripple_1_1BookStep.html#a0c97112fdc6d159607fa01683d1dd8ca">ammLiquidity_</a>.emplace(</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>,</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> (*ammSle)[sfAccount],</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <a class="code hl_function" href="namespaceripple.html#a308162f4d3c7b3c005ee6907ab576da1">getTradingFee</a>(ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>, *ammSle, ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#ad518e54e6f8dd8bc666dd4066e4da31c">ammContext</a>.<a class="code hl_function" href="classripple_1_1AMMContext.html#a11a431811d7e91d2615bbe86557b4b06">account</a>()),</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>,</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>,</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#ad518e54e6f8dd8bc666dd4066e4da31c">ammContext</a>,</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a09a7d44d440f4d4b4f89fd71aff64368">j</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_class" href="classripple_1_1Book.html">Book</a> <span class="keyword">const</span>&amp;</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="classripple_1_1BookStep.html#a76b5db24ec96d9a2079e4122b233d97e"> 116</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a76b5db24ec96d9a2079e4122b233d97e">book</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> }</div>
</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <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="foldopen00122" data-start="{" data-end="}">
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a7ac0cec5c0c1b757d5e95633b789b8bd"> 122</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a7ac0cec5c0c1b757d5e95633b789b8bd">cachedIn</a>()<span class="keyword"> const override</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classripple_1_1BookStep.html#afc3ab79671a0301e2679b9929ae80640">cache_</a>)</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</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="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structripple_1_1EitherAmount.html">EitherAmount</a>(<a class="code hl_variable" href="classripple_1_1BookStep.html#afc3ab79671a0301e2679b9929ae80640">cache_</a>-&gt;in);</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> }</div>
</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <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="foldopen00130" data-start="{" data-end="}">
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a3b3b00a94aa2a8c77120567e76c7b56f"> 130</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a3b3b00a94aa2a8c77120567e76c7b56f">cachedOut</a>()<span class="keyword"> const override</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classripple_1_1BookStep.html#afc3ab79671a0301e2679b9929ae80640">cache_</a>)</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</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="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structripple_1_1EitherAmount.html">EitherAmount</a>(<a class="code hl_variable" href="classripple_1_1BookStep.html#afc3ab79671a0301e2679b9929ae80640">cache_</a>-&gt;out);</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> }</div>
</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <a class="code hl_enumeration" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a></div>
<div class="foldopen" id="foldopen00138" data-start="{" data-end="}">
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#aa10ac9ca8fbb6813d60be0c7b605698e"> 138</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#aa10ac9ca8fbb6813d60be0c7b605698e">debtDirection</a>(<a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; sb, <a class="code hl_enumeration" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fd">StrandDirection</a> dir)<span class="keyword"> const override</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classripple_1_1BookStep.html#aea2831bee7a5772916195fa1489cb09c">ownerPaysTransferFee_</a> ? <a class="code hl_enumvalue" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> : <a class="code hl_enumvalue" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401ea7e611dd9f79193db43a5e9983752239e">DebtDirection::redeems</a>;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> }</div>
</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Book&gt;</a></div>
<div class="foldopen" id="foldopen00145" data-start="{" data-end="}">
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a28e44f961f51278bfd3e4ea91206d024"> 145</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a28e44f961f51278bfd3e4ea91206d024">bookStepBook</a>()<span class="keyword"> const override</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> }</div>
</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <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="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a>&gt;</div>
<div class="foldopen" id="foldopen00151" data-start="{" data-end="}">
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ae34588a45abed1c1eeb250976ad360c5"> 151</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#ae34588a45abed1c1eeb250976ad360c5">qualityUpperBound</a>(<a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; v, <a class="code hl_enumeration" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir)</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">const override</span>;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;std::optional&lt;QualityFunction&gt;</a>, <a class="code hl_enumeration" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a>&gt;</div>
<div class="foldopen" id="foldopen00155" data-start="{" data-end="}">
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a64ff23a3b09a6f5c4a1f8a25d0a5f1b7"> 155</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a64ff23a3b09a6f5c4a1f8a25d0a5f1b7">getQualityFunc</a>(<a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; v, <a class="code hl_enumeration" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir) <span class="keyword">const override</span>;</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
<div class="foldopen" id="foldopen00158" data-start="{" data-end="}">
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a2361abd05389001f3c40e19fa667b289"> 158</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a2361abd05389001f3c40e19fa667b289">offersUsed</a>() <span class="keyword">const override</span>;</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;TIn, TOut&gt;</a></div>
<div class="foldopen" id="foldopen00161" data-start="{" data-end="}">
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#aa2b69d5c94b1303c7554eadcb0a4b759"> 161</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#aa2b69d5c94b1303c7554eadcb0a4b759">revImp</a>(</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <a class="code hl_class" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <a class="code hl_class" href="classripple_1_1ApplyView.html">ApplyView</a>&amp; afView,</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> boost::container::flat_set&lt;uint256&gt;&amp; ofrsToRm,</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> TOut <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;TIn, TOut&gt;</a></div>
<div class="foldopen" id="foldopen00168" data-start="{" data-end="}">
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ac360725d48ffbe2a589ae0f4ca23c569"> 168</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#ac360725d48ffbe2a589ae0f4ca23c569">fwdImp</a>(</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <a class="code hl_class" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <a class="code hl_class" href="classripple_1_1ApplyView.html">ApplyView</a>&amp; afView,</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> boost::container::flat_set&lt;uint256&gt;&amp; ofrsToRm,</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> TIn <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>);</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <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="foldopen00175" data-start="{" data-end="}">
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a75e0f046afee8b75774801a2e6ffaae0"> 175</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a75e0f046afee8b75774801a2e6ffaae0">validFwd</a>(<a class="code hl_class" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb, <a class="code hl_class" href="classripple_1_1ApplyView.html">ApplyView</a>&amp; afView, <a class="code hl_struct" href="structripple_1_1EitherAmount.html">EitherAmount</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keyword">override</span>;</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> </div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// Check for errors frozen constraints.</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <a class="code hl_class" href="classripple_1_1TERSubset.html">TER</a></div>
<div class="foldopen" id="foldopen00180" data-start="{" data-end="}">
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a68b0358a5053e3f81802c1bfaaaef647"> 180</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a68b0358a5053e3f81802c1bfaaaef647">check</a>(<a class="code hl_struct" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00183" data-start="{" data-end="}">
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ace12c7abd57b6509bed56198d087ac36"> 183</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#ace12c7abd57b6509bed56198d087ac36">inactive</a>()<span class="keyword"> const override</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classripple_1_1BookStep.html#ae94d993f7db69ca6aaa4517b02292ec0">inactive_</a>;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> }</div>
</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="foldopen" id="foldopen00190" data-start="{" data-end="}">
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ab16dcf7219babffcc905cc5d331aa118"> 190</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#ab16dcf7219babffcc905cc5d331aa118">logStringImpl</a>(<span class="keywordtype">char</span> <span class="keyword">const</span>* name)<span class="keyword"> const</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</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="l00193" name="l00193"></a><span class="lineno"> 193</span> ostr &lt;&lt; name &lt;&lt; <span class="stringliteral">&quot;: &quot;</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> &lt;&lt; <span class="stringliteral">&quot;\ninIss: &quot;</span> &lt;&lt; <a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code hl_variable" href="classripple_1_1Book.html#a44f1acfd1d549e7f025f5372fb345f27">in</a>.<a class="code hl_variable" href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">account</a></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> &lt;&lt; <span class="stringliteral">&quot;\noutIss: &quot;</span> &lt;&lt; <a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code hl_variable" href="classripple_1_1Book.html#a6992e8a5da385182ec3ab51a0216281a">out</a>.<a class="code hl_variable" href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">account</a></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> &lt;&lt; <span class="stringliteral">&quot;\ninCur: &quot;</span> &lt;&lt; <a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code hl_variable" href="classripple_1_1Book.html#a44f1acfd1d549e7f025f5372fb345f27">in</a>.<a class="code hl_variable" href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">currency</a></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> &lt;&lt; <span class="stringliteral">&quot;\noutCur: &quot;</span> &lt;&lt; <a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code hl_variable" href="classripple_1_1Book.html#a6992e8a5da385182ec3ab51a0216281a">out</a>.<a class="code hl_variable" href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">currency</a>;</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</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="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="keyword">private</span>:</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">friend</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00203" data-start="{" data-end="};">
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a1b410d353a7b9ef4829b8bd951aa4cd3"> 203</a></span> <a class="code hl_friend" href="classripple_1_1BookStep.html#a1b410d353a7b9ef4829b8bd951aa4cd3">operator==</a>(<a class="code hl_class" href="classripple_1_1BookStep.html">BookStep</a> <span class="keyword">const</span>&amp; lhs, <a class="code hl_class" href="classripple_1_1BookStep.html">BookStep</a> <span class="keyword">const</span>&amp; rhs)</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> {</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">return</span> lhs.<a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a> == rhs.<a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>;</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> <span class="keyword">friend</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00209" data-start="{" data-end="};">
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#aa870ebc3315d3fc49d4b52c5b58fd400"> 209</a></span> <a class="code hl_friend" href="classripple_1_1BookStep.html#aa870ebc3315d3fc49d4b52c5b58fd400">operator!=</a>(<a class="code hl_class" href="classripple_1_1BookStep.html">BookStep</a> <span class="keyword">const</span>&amp; lhs, <a class="code hl_class" href="classripple_1_1BookStep.html">BookStep</a> <span class="keyword">const</span>&amp; rhs)</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="keywordflow">return</span> !(lhs == rhs);</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> }</div>
</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00215" data-start="{" data-end="}">
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a9960216d74d520047bacde5598dac46a"> 215</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a9960216d74d520047bacde5598dac46a">equal</a>(<a class="code hl_class" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>&amp; rhs) <span class="keyword">const override</span>;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="comment">// Iterate through the offers at the best quality in a book.</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="comment">// Unfunded offers and bad offers are skipped (and returned).</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// callback is called with the offer SLE, taker pays, taker gets.</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="comment">// If callback returns false, don&#39;t process any more offers.</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// Return the unfunded and bad offers and the number of offers consumed.</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> Callback&gt;</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/utility/pair.html">std::pair&lt;boost::container::flat_set&lt;uint256&gt;</a>, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a>&gt;</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="classripple_1_1BookStep.html#a7342a15a2176a19d7bfa38396915381c"> 224</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a7342a15a2176a19d7bfa38396915381c">forEachOffer</a>(</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <a class="code hl_class" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <a class="code hl_class" href="classripple_1_1ApplyView.html">ApplyView</a>&amp; afView,</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <a class="code hl_enumeration" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDebtDir,</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> Callback&amp; callback) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="comment">// Offer is either TOffer or AMMOffer</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keyword">template</span> &lt;<span class="keyword">template</span> &lt;<span class="keyword">typename</span>, <span class="keyword">typename</span>&gt; <span class="keyword">typename</span> <a class="code hl_class" href="classripple_1_1TOffer.html">Offer</a>&gt;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00233" data-start="{" data-end="}">
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a4bc1a7ac0a842e8774fb66ed15c87e23"> 233</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a4bc1a7ac0a842e8774fb66ed15c87e23">consumeOffer</a>(</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <a class="code hl_class" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <a class="code hl_class" href="classripple_1_1TOffer.html">Offer&lt;TIn, TOut&gt;</a>&amp; offer,</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> TAmounts&lt;TIn, TOut&gt; <span class="keyword">const</span>&amp; ofrAmt,</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> TAmounts&lt;TIn, TOut&gt; <span class="keyword">const</span>&amp; stepAmt,</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> TOut <span class="keyword">const</span>&amp; ownerGives) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="comment">// If clobQuality is available and has a better quality then return nullopt,</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="comment">// otherwise if amm liquidity is available return AMM offer adjusted based</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="comment">// on clobQuality.</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;AMMOffer&lt;TIn, TOut&gt;</a>&gt;</div>
<div class="foldopen" id="foldopen00244" data-start="{" data-end="}">
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a0be75bff9e2108181febecf4e7a2c3d3"> 244</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a0be75bff9e2108181febecf4e7a2c3d3">getAMMOffer</a>(<a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; view, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a> <span class="keyword">const</span>&amp; clobQuality)</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keyword">const</span>;</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> </div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="comment">// If seated then it is either order book tip quality or AMMOffer,</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="comment">// whichever is a better quality.</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::variant&lt;Quality, AMMOffer&lt;TIn, TOut&gt;</a>&gt;&gt;</div>
<div class="foldopen" id="foldopen00250" data-start="{" data-end="}">
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ade71b95b59a9aed89dc9a1858c64828e"> 250</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#ade71b95b59a9aed89dc9a1858c64828e">tip</a>(<a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; view) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="comment">// If seated then it is either AMM or CLOB quality,</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="comment">// whichever is a better quality. OfferType is AMM</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="comment">// if AMM quality is better.</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::pair&lt;Quality, OfferType&gt;</a>&gt;</div>
<div class="foldopen" id="foldopen00255" data-start="{" data-end="}">
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a3ba27fef28ff0493604de5d9cbb835b6"> 255</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#a3ba27fef28ff0493604de5d9cbb835b6">tipOfferQuality</a>(<a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; view) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="comment">// If seated then it is either AMM or CLOB quality function,</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="comment">// whichever is a better quality.</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/utility/optional.html">std::optional&lt;QualityFunction&gt;</a></div>
<div class="foldopen" id="foldopen00259" data-start="{" data-end="}">
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ac8507d9769d13f97315a955f6c15d233"> 259</a></span> <a class="code hl_function" href="classripple_1_1BookStep.html#ac8507d9769d13f97315a955f6c15d233">tipOfferQualityF</a>(<a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; view) <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> </div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span><span class="comment">// Flow is used in two different circumstances for transferring funds:</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span><span class="comment">// o Payments, and</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span><span class="comment">// o Offer crossing.</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span><span class="comment">// The rules for handling funds in these two cases are almost, but not</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span><span class="comment">// quite, the same.</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> </div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span><span class="comment">// Payment BookStep template class (not offer crossing).</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut&gt;</div>
<div class="foldopen" id="foldopen00272" data-start="{" data-end="};">
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html"> 272</a></span><span class="keyword">class </span><a class="code hl_class" href="classripple_1_1BookPaymentStep.html">BookPaymentStep</a> : <span class="keyword">public</span> <a class="code hl_class" href="classripple_1_1BookStep.html">BookStep</a>&lt;TIn, TOut, BookPaymentStep&lt;TIn, TOut&gt;&gt;</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span>{</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#a6f159804765a2fa59a593366d179e51d"> 275</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classripple_1_1BookPaymentStep.html#a6f159804765a2fa59a593366d179e51d">BookPaymentStep</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> </div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="keyword">using </span><a class="code hl_class" href="classripple_1_1BookStep.html">BookStep</a>&lt;TIn, TOut, <a class="code hl_class" href="classripple_1_1BookPaymentStep.html">BookPaymentStep&lt;TIn, TOut&gt;</a>&gt;::BookStep;</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keyword">using </span><a class="code hl_class" href="classripple_1_1BookStep.html">BookStep</a>&lt;TIn, TOut, <a class="code hl_class" href="classripple_1_1BookPaymentStep.html">BookPaymentStep&lt;TIn, TOut&gt;</a>&gt;<a class="code hl_function" href="classripple_1_1BookStep.html#ae34588a45abed1c1eeb250976ad360c5">::qualityUpperBound</a>;</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keyword">using </span>typename <a class="code hl_class" href="classripple_1_1BookStep.html">BookStep&lt;TIn, TOut, BookPaymentStep&lt;TIn, TOut&gt;</a>&gt;<a class="code hl_enumeration" href="classripple_1_1BookStep.html#a3de148b04c2f04ef3f46a569f8d63d0b">::OfferType</a>;</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="comment">// Never limit self cross quality on a payment.</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="keyword">template</span> &lt;<span class="keyword">template</span> &lt;<span class="keyword">typename</span>, <span class="keyword">typename</span>&gt; <span class="keyword">typename</span> <a class="code hl_class" href="classripple_1_1TOffer.html">Offer</a>&gt;</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00284" data-start="{" data-end="}">
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#a41697bafb9aea4aee6267fe339f2ee3e"> 284</a></span> <a class="code hl_function" href="classripple_1_1BookPaymentStep.html#a41697bafb9aea4aee6267fe339f2ee3e">limitSelfCrossQuality</a>(</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp;,</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp;,</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <a class="code hl_class" href="classripple_1_1TOffer.html">Offer&lt;TIn, TOut&gt;</a> <span class="keyword">const</span>&amp; offer,</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a>&amp;,</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <a class="code hl_class" href="classripple_1_1FlowOfferStream.html">FlowOfferStream&lt;TIn, TOut&gt;</a>&amp;,</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keywordtype">bool</span>)<span class="keyword"> const</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> }</div>
</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> </div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="comment">// A payment can look at offers of any quality</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00297" data-start="{" data-end="}">
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#a95e592a00a3d85c05324d340292ff07a"> 297</a></span> <a class="code hl_function" href="classripple_1_1BookPaymentStep.html#a95e592a00a3d85c05324d340292ff07a">checkQualityThreshold</a>(Quality <span class="keyword">const</span>&amp; quality)<span class="keyword"> const</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> }</div>
</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> </div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="comment">// A payment doesn&#39;t use quality threshold (limitQuality)</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="comment">// since the strand&#39;s quality doesn&#39;t directly relate to the step&#39;s quality.</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a></div>
<div class="foldopen" id="foldopen00305" data-start="{" data-end="}">
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#acbb2a0f185de4c5fc0258c7f37dc6c9f"> 305</a></span> <a class="code hl_function" href="classripple_1_1BookPaymentStep.html#acbb2a0f185de4c5fc0258c7f37dc6c9f">qualityThreshold</a>(Quality <span class="keyword">const</span>&amp; lobQuality)<span class="keyword"> const</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="keywordflow">return</span> lobQuality;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> }</div>
</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> <span class="comment">// For a payment ofrInRate is always the same as trIn.</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</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="foldopen00312" data-start="{" data-end="}">
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#a8d3b083bf09ce596436ebf6156f7a43c"> 312</a></span> <a class="code hl_function" href="classripple_1_1BookPaymentStep.html#a8d3b083bf09ce596436ebf6156f7a43c">getOfrInRate</a>(<a class="code hl_class" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>*, <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp;, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> trIn)<span class="keyword"> const</span></div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keywordflow">return</span> trIn;</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> }</div>
</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> </div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="comment">// For a payment ofrOutRate is always the same as trOut.</span></div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</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="foldopen00319" data-start="{" data-end="}">
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#a6c79f1f839daa249453fe08b69515529"> 319</a></span> <a class="code hl_function" href="classripple_1_1BookPaymentStep.html#a6c79f1f839daa249453fe08b69515529">getOfrOutRate</a>(</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <a class="code hl_class" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>*,</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp;,</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp;,</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> trOut)<span class="keyword"> const</span></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordflow">return</span> trOut;</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> }</div>
</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> </div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> Quality</div>
<div class="foldopen" id="foldopen00329" data-start="{" data-end="}">
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#a66a0d125959f0951f20dd938dbe199c9"> 329</a></span> <a class="code hl_function" href="classripple_1_1BookPaymentStep.html#a66a0d125959f0951f20dd938dbe199c9">adjustQualityWithFees</a>(</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> <a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; v,</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> Quality <span class="keyword">const</span>&amp; ofrQ,</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <a class="code hl_enumeration" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir,</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <a class="code hl_enumeration" href="namespaceripple.html#a9d22f4d38ac33f4258a0205f8e11d27e">WaiveTransferFee</a> waiveFee,</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <a class="code hl_enumeration" href="classripple_1_1BookStep.html#a3de148b04c2f04ef3f46a569f8d63d0b">OfferType</a>,</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <a class="code hl_class" href="classripple_1_1Rules.html">Rules</a> <span class="keyword">const</span>&amp;)<span class="keyword"> const</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="comment">// Charge the offer owner, not the sender</span></div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="comment">// Charge a fee even if the owner is the same as the issuer</span></div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="comment">// (the old code does not charge a fee)</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="comment">// Calculate amount that goes to the taker and the amount charged the</span></div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="comment">// offer owner</span></div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="keyword">auto</span> rate = [&amp;](<a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; id) {</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(<span class="keywordtype">id</span>) || <span class="keywordtype">id</span> == this-&gt;<a class="code hl_variable" href="classripple_1_1BookStep.html#aca9d4f2a380bfab569355b12fbbab6ee">strandDst_</a>)</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="namespaceripple.html#afbcd0117839fb629a769c600a741f452">parityRate</a>;</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a9ad0749604cda5299e9af18bf08cb830">transferRate</a>(v, <span class="keywordtype">id</span>);</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> };</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> </div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keyword">auto</span> <span class="keyword">const</span> trIn =</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <a class="code hl_enumvalue" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401ea7e611dd9f79193db43a5e9983752239e">redeems</a>(prevStepDir) ? rate(this-&gt;<a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code hl_variable" href="classripple_1_1Book.html#a44f1acfd1d549e7f025f5372fb345f27">in</a>.<a class="code hl_variable" href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">account</a>) : <a class="code hl_variable" href="namespaceripple.html#afbcd0117839fb629a769c600a741f452">parityRate</a>;</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="comment">// Always charge the transfer fee, even if the owner is the issuer,</span></div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="comment">// unless the fee is waived</span></div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <span class="keyword">auto</span> <span class="keyword">const</span> trOut =</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> (this-&gt;<a class="code hl_variable" href="classripple_1_1BookStep.html#aea2831bee7a5772916195fa1489cb09c">ownerPaysTransferFee_</a> &amp;&amp; waiveFee == <a class="code hl_enumvalue" href="namespaceripple.html#a9d22f4d38ac33f4258a0205f8e11d27eabafd7322c6e97d25b6299b5d6fe8920b">WaiveTransferFee::No</a>)</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> ? rate(this-&gt;<a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code hl_variable" href="classripple_1_1Book.html#a6992e8a5da385182ec3ab51a0216281a">out</a>.<a class="code hl_variable" href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">account</a>)</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> : <a class="code hl_variable" href="namespaceripple.html#afbcd0117839fb629a769c600a741f452">parityRate</a>;</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> </div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> Quality <span class="keyword">const</span> q1{<a class="code hl_function" href="namespaceripple.html#a73cc988e7ba5d5ee0fd9db53740917ec">getRate</a>(<a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a>(trOut.value), <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a>(trIn.value))};</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a7c8945b5034bba5f9df719cff2503495">composed_quality</a>(q1, ofrQ);</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> }</div>
</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> </div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="foldopen" id="foldopen00362" data-start="{" data-end="}">
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#af3e9a302e1861861117aec346a5c83e0"> 362</a></span> <a class="code hl_function" href="classripple_1_1BookPaymentStep.html#af3e9a302e1861861117aec346a5c83e0">logString</a>()<span class="keyword"> const override</span></div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <span class="keywordflow">return</span> this-&gt;<a class="code hl_function" href="classripple_1_1BookStep.html#ab16dcf7219babffcc905cc5d331aa118">logStringImpl</a>(<span class="stringliteral">&quot;BookPaymentStep&quot;</span>);</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> }</div>
</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span>};</div>
</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><span class="comment">// Offer crossing BookStep template class (not a payment).</span></div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut&gt;</div>
<div class="foldopen" id="foldopen00370" data-start="{" data-end="};">
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html"> 370</a></span><span class="keyword">class </span><a class="code hl_class" href="classripple_1_1BookOfferCrossingStep.html">BookOfferCrossingStep</a></div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> : <span class="keyword">public</span> <a class="code hl_class" href="classripple_1_1BookStep.html">BookStep</a>&lt;TIn, TOut, BookOfferCrossingStep&lt;TIn, TOut&gt;&gt;</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span>{</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="keyword">using </span><a class="code hl_class" href="classripple_1_1BookStep.html">BookStep</a>&lt;TIn, TOut, <a class="code hl_class" href="classripple_1_1BookOfferCrossingStep.html">BookOfferCrossingStep&lt;TIn, TOut&gt;</a>&gt;<a class="code hl_function" href="classripple_1_1BookStep.html#ae34588a45abed1c1eeb250976ad360c5">::</a></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span><a class="code hl_function" href="classripple_1_1BookStep.html#ae34588a45abed1c1eeb250976ad360c5"> qualityUpperBound</a>;</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="keyword">using </span>typename <a class="code hl_class" href="classripple_1_1BookStep.html">BookStep&lt;TIn, TOut, BookOfferCrossingStep&lt;TIn, TOut&gt;</a>&gt;<a class="code hl_enumeration" href="classripple_1_1BookStep.html#a3de148b04c2f04ef3f46a569f8d63d0b">::</a></div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span><a class="code hl_enumeration" href="classripple_1_1BookStep.html#a3de148b04c2f04ef3f46a569f8d63d0b"> OfferType</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><span class="keyword">private</span>:</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="comment">// Helper function that throws if the optional passed to the constructor</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="comment">// is none.</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <span class="keyword">static</span> Quality</div>
<div class="foldopen" id="foldopen00382" data-start="{" data-end="}">
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a0c5d11e67ca87b8c7ca8c57746d99cbd"> 382</a></span> <a class="code hl_function" href="classripple_1_1BookOfferCrossingStep.html#a0c5d11e67ca87b8c7ca8c57746d99cbd">getQuality</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a> <span class="keyword">const</span>&amp; limitQuality)</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> {</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="comment">// It&#39;s really a programming error if the quality is missing.</span></div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> limitQuality,</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> <span class="stringliteral">&quot;ripple::BookOfferCrossingStep::getQuality : nonzero quality&quot;</span>);</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> <span class="keywordflow">if</span> (!limitQuality)</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> Throw&lt;FlowException&gt;(<a class="code hl_enumvalue" href="namespaceripple.html#a75cb21d7f1df42f2fdc8efddb79b63f4ad035d214edc31c72362d7efbdaba234c">tefINTERNAL</a>, <span class="stringliteral">&quot;Offer requires quality.&quot;</span>);</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="keywordflow">return</span> *limitQuality;</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> }</div>
</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> </div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span><span class="keyword">public</span>:</div>
<div class="foldopen" id="foldopen00394" data-start="{" data-end="}">
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a0e77f31ed38237773634e5dc858528ef"> 394</a></span> <a class="code hl_function" href="classripple_1_1BookOfferCrossingStep.html#a0e77f31ed38237773634e5dc858528ef">BookOfferCrossingStep</a>(</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <a class="code hl_struct" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx,</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>,</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>)</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> : <a class="code hl_class" href="classripple_1_1BookStep.html">BookStep</a>&lt;TIn, TOut, <a class="code hl_class" href="classripple_1_1BookOfferCrossingStep.html">BookOfferCrossingStep</a>&lt;TIn, TOut&gt;&gt;(ctx, <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>)</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> , <a class="code hl_variable" href="classripple_1_1BookOfferCrossingStep.html#a3ee9a446068fd6570a4a9b5a34879fb7">defaultPath_</a>(ctx.<a class="code hl_function" href="namespaceripple.html#a64db4e9a01a15836948b70c1689ef2ca">isDefaultPath</a>)</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> , <a class="code hl_variable" href="classripple_1_1BookOfferCrossingStep.html#aac32b8bb4caf8afce4b0e0398fc25ed7">qualityThreshold_</a>(<a class="code hl_function" href="classripple_1_1BookOfferCrossingStep.html#a0c5d11e67ca87b8c7ca8c57746d99cbd">getQuality</a>(ctx.limitQuality))</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>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> </div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <span class="keyword">template</span> &lt;<span class="keyword">template</span> &lt;<span class="keyword">typename</span>, <span class="keyword">typename</span>&gt; <span class="keyword">typename</span> <a class="code hl_class" href="classripple_1_1TOffer.html">Offer</a>&gt;</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00406" data-start="{" data-end="}">
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#aa37d2f7c09a0adca9513c943664e9254"> 406</a></span> <a class="code hl_function" href="classripple_1_1BookOfferCrossingStep.html#aa37d2f7c09a0adca9513c943664e9254">limitSelfCrossQuality</a>(</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; strandSrc,</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; strandDst,</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <a class="code hl_class" href="classripple_1_1TOffer.html">Offer&lt;TIn, TOut&gt;</a> <span class="keyword">const</span>&amp; offer,</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a>&amp; ofrQ,</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <a class="code hl_class" href="classripple_1_1FlowOfferStream.html">FlowOfferStream&lt;TIn, TOut&gt;</a>&amp; offers,</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="keywordtype">bool</span> <span class="keyword">const</span> offerAttempted)<span class="keyword"> const</span></div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> <span class="comment">// This method supports some correct but slightly surprising</span></div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="comment">// behavior in offer crossing. The scenario:</span></div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <span class="comment">//</span></div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="comment">// o alice has already created one or more offers.</span></div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="comment">// o alice creates another offer that can be directly crossed (not</span></div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <span class="comment">// autobridged) by one or more of her previously created offer(s).</span></div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> <span class="comment">//</span></div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="comment">// What does the offer crossing do?</span></div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <span class="comment">//</span></div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="comment">// o The offer crossing could go ahead and cross the offers leaving</span></div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="comment">// either one reduced offer (partial crossing) or zero offers</span></div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> <span class="comment">// (exact crossing) in the ledger. We don&#39;t do this. And, really,</span></div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <span class="comment">// the offer creator probably didn&#39;t want us to.</span></div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="comment">//</span></div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="comment">// o We could skip over the self offer in the book and only cross</span></div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="comment">// offers that are not our own. This would make a lot of sense,</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <span class="comment">// but we don&#39;t do it. Part of the rationale is that we can only</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <span class="comment">// operate on the tip of the order book. We can&#39;t leave an offer</span></div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="comment">// behind -- it would sit on the tip and block access to other</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="comment">// offers.</span></div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="comment">//</span></div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <span class="comment">// o We could delete the self-crossable offer(s) off the tip of the</span></div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="comment">// book and continue with offer crossing. That&#39;s what we do.</span></div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="comment">//</span></div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> <span class="comment">// To support this scenario offer crossing has a special rule. If:</span></div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="comment">// a. We&#39;re offer crossing using default path (no autobridging), and</span></div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> <span class="comment">// b. The offer&#39;s quality is at least as good as our quality, and</span></div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="comment">// c. We&#39;re about to cross one of our own offers, then</span></div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> <span class="comment">// d. Delete the old offer from the ledger.</span></div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classripple_1_1BookOfferCrossingStep.html#a3ee9a446068fd6570a4a9b5a34879fb7">defaultPath_</a> &amp;&amp; offer.quality() &gt;= <a class="code hl_variable" href="classripple_1_1BookOfferCrossingStep.html#aac32b8bb4caf8afce4b0e0398fc25ed7">qualityThreshold_</a> &amp;&amp;</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> strandSrc == offer.owner() &amp;&amp; strandDst == offer.owner())</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> {</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="comment">// Remove this offer even if no crossing occurs.</span></div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> key = offer.<a class="code hl_variable" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>())</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> offers.permRmOffer(*key);</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> </div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="comment">// If no offers have been attempted yet then it&#39;s okay to move to</span></div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="comment">// a different quality.</span></div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> <span class="keywordflow">if</span> (!offerAttempted)</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> ofrQ = <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="l00454" name="l00454"></a><span class="lineno"> 454</span> </div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="comment">// Return true so the current offer will be deleted.</span></div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="keywordflow">return</span> <span class="keyword">true</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> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> }</div>
</div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> </div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> <span class="comment">// Offer crossing can prune the offers it needs to look at with a</span></div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <span class="comment">// quality threshold.</span></div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00464" data-start="{" data-end="}">
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a242b7d3e07bbc7dad2ee0664472c261b"> 464</a></span> <a class="code hl_function" href="classripple_1_1BookOfferCrossingStep.html#a242b7d3e07bbc7dad2ee0664472c261b">checkQualityThreshold</a>(Quality <span class="keyword">const</span>&amp; quality)<span class="keyword"> const</span></div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> <span class="keywordflow">return</span> !<a class="code hl_variable" href="classripple_1_1BookOfferCrossingStep.html#a3ee9a446068fd6570a4a9b5a34879fb7">defaultPath_</a> || quality &gt;= <a class="code hl_variable" href="classripple_1_1BookOfferCrossingStep.html#aac32b8bb4caf8afce4b0e0398fc25ed7">qualityThreshold_</a>;</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> }</div>
</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> </div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="comment">// Return quality threshold or nullopt to use when generating AMM offer.</span></div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> <span class="comment">// AMM synthetic offer is generated to match LOB offer quality.</span></div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="comment">// If LOB tip offer quality is less than qualityThreshold</span></div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> <span class="comment">// then generated AMM offer quality is also less than qualityThreshold and</span></div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> <span class="comment">// the offer is not crossed even though AMM might generate a better quality</span></div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <span class="comment">// offer. To address this, if qualityThreshold is greater than lobQuality</span></div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> <span class="comment">// then don&#39;t use quality to generate the AMM offer. The limit out value</span></div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> <span class="comment">// generates the maximum AMM offer in this case, which matches</span></div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> <span class="comment">// the quality threshold. This only applies to single path scenario.</span></div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="comment">// Multi-path AMM offers work the same as LOB offers.</span></div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a></div>
<div class="foldopen" id="foldopen00480" data-start="{" data-end="}">
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#af9386ed665aa6773818fa61026f889f3"> 480</a></span> <a class="code hl_function" href="classripple_1_1BookOfferCrossingStep.html#af9386ed665aa6773818fa61026f889f3">qualityThreshold</a>(Quality <span class="keyword">const</span>&amp; lobQuality)<span class="keyword"> const</span></div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> <span class="keywordflow">if</span> (this-&gt;<a class="code hl_variable" href="classripple_1_1BookStep.html#a0c97112fdc6d159607fa01683d1dd8ca">ammLiquidity_</a> &amp;&amp; !this-&gt;<a class="code hl_variable" href="classripple_1_1BookStep.html#a0c97112fdc6d159607fa01683d1dd8ca">ammLiquidity_</a>-&gt;multiPath() &amp;&amp;</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <a class="code hl_variable" href="classripple_1_1BookOfferCrossingStep.html#aac32b8bb4caf8afce4b0e0398fc25ed7">qualityThreshold_</a> &gt; lobQuality)</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</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="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="keywordflow">return</span> lobQuality;</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> }</div>
</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> </div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> <span class="comment">// For offer crossing don&#39;t pay the transfer fee if alice is paying alice.</span></div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <span class="comment">// A regular (non-offer-crossing) payment does not apply this rule.</span></div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</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="foldopen00491" data-start="{" data-end="}">
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a008a3593d12873d938df6c585e020748"> 491</a></span> <a class="code hl_function" href="classripple_1_1BookOfferCrossingStep.html#a008a3593d12873d938df6c585e020748">getOfrInRate</a>(</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> <a class="code hl_class" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>* prevStep,</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; owner,</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> trIn)<span class="keyword"> const</span></div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <span class="keyword">auto</span> <span class="keyword">const</span> srcAcct =</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> prevStep ? prevStep-&gt;<a class="code hl_function" href="classripple_1_1Step.html#af7cae32307ec25a30fcf5a05407f9e8d">directStepSrcAcct</a>() : <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="l00498" name="l00498"></a><span class="lineno"> 498</span> </div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> <span class="keywordflow">return</span> owner == srcAcct <span class="comment">// If offer crossing &amp;&amp; prevStep is DirectI</span></div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> ? QUALITY_ONE <span class="comment">// &amp;&amp; src is offer owner</span></div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> : trIn; <span class="comment">// then rate = QUALITY_ONE</span></div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> }</div>
</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> </div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> <span class="comment">// See comment on getOfrInRate().</span></div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</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="foldopen00506" data-start="{" data-end="}">
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a4df89c73ea59df4d31de694135d7b303"> 506</a></span> <a class="code hl_function" href="classripple_1_1BookOfferCrossingStep.html#a4df89c73ea59df4d31de694135d7b303">getOfrOutRate</a>(</div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <a class="code hl_class" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>* prevStep,</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; owner,</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; strandDst,</div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> trOut)<span class="keyword"> const</span></div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> <span class="keywordflow">return</span> <span class="comment">// If offer crossing</span></div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> prevStep &amp;&amp; prevStep-&gt;<a class="code hl_function" href="classripple_1_1Step.html#a9d080cfd47f863e9217fb91d25783e23">bookStepBook</a>() &amp;&amp; <span class="comment">// &amp;&amp; prevStep is BookStep</span></div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> owner == strandDst <span class="comment">// &amp;&amp; dest is offer owner</span></div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> ? QUALITY_ONE</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> : trOut; <span class="comment">// then rate = QUALITY_ONE</span></div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> }</div>
</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> Quality</div>
<div class="foldopen" id="foldopen00520" data-start="{" data-end="}">
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#af9938374a1bc7c55572a2b5ec2a2e288"> 520</a></span> <a class="code hl_function" href="classripple_1_1BookOfferCrossingStep.html#af9938374a1bc7c55572a2b5ec2a2e288">adjustQualityWithFees</a>(</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; v,</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> Quality <span class="keyword">const</span>&amp; ofrQ,</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> <a class="code hl_enumeration" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir,</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> <a class="code hl_enumeration" href="namespaceripple.html#a9d22f4d38ac33f4258a0205f8e11d27e">WaiveTransferFee</a> waiveFee,</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> <a class="code hl_enumeration" href="classripple_1_1BookStep.html#a3de148b04c2f04ef3f46a569f8d63d0b">OfferType</a> offerType,</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> <a class="code hl_class" href="classripple_1_1Rules.html">Rules</a> <span class="keyword">const</span>&amp; rules)<span class="keyword"> const</span></div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> <span class="comment">// Offer x-ing does not charge a transfer fee when the offer&#39;s owner</span></div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> <span class="comment">// is the same as the strand dst. It is important that</span></div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> <span class="comment">// `qualityUpperBound` is an upper bound on the quality (it is used to</span></div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> <span class="comment">// ignore strands whose quality cannot meet a minimum threshold). When</span></div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> <span class="comment">// calculating quality assume no fee is charged, or the estimate will no</span></div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> <span class="comment">// longer be an upper bound.</span></div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> </div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> <span class="comment">// Single path AMM offer has to factor in the transfer in rate</span></div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> <span class="comment">// when calculating the upper bound quality and the quality function</span></div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> <span class="comment">// because single path AMM&#39;s offer quality is not constant.</span></div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> <span class="keywordflow">if</span> (!rules.<a class="code hl_function" href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">enabled</a>(fixAMMv1_1))</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> <span class="keywordflow">return</span> ofrQ;</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> offerType == OfferType::CLOB ||</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> (this-&gt;<a class="code hl_variable" href="classripple_1_1BookStep.html#a0c97112fdc6d159607fa01683d1dd8ca">ammLiquidity_</a> &amp;&amp; this-&gt;<a class="code hl_variable" href="classripple_1_1BookStep.html#a0c97112fdc6d159607fa01683d1dd8ca">ammLiquidity_</a>-&gt;multiPath()))</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> <span class="keywordflow">return</span> ofrQ;</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> </div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> <span class="keyword">auto</span> rate = [&amp;](<a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; id) {</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(<span class="keywordtype">id</span>) || <span class="keywordtype">id</span> == this-&gt;<a class="code hl_variable" href="classripple_1_1BookStep.html#aca9d4f2a380bfab569355b12fbbab6ee">strandDst_</a>)</div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="namespaceripple.html#afbcd0117839fb629a769c600a741f452">parityRate</a>;</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a9ad0749604cda5299e9af18bf08cb830">transferRate</a>(v, <span class="keywordtype">id</span>);</div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> };</div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> </div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="keyword">auto</span> <span class="keyword">const</span> trIn =</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <a class="code hl_enumvalue" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401ea7e611dd9f79193db43a5e9983752239e">redeems</a>(prevStepDir) ? rate(this-&gt;<a class="code hl_variable" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code hl_variable" href="classripple_1_1Book.html#a44f1acfd1d549e7f025f5372fb345f27">in</a>.<a class="code hl_variable" href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">account</a>) : <a class="code hl_variable" href="namespaceripple.html#afbcd0117839fb629a769c600a741f452">parityRate</a>;</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <span class="comment">// AMM doesn&#39;t pay the transfer fee on the out amount</span></div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> <span class="keyword">auto</span> <span class="keyword">const</span> trOut = <a class="code hl_variable" href="namespaceripple.html#afbcd0117839fb629a769c600a741f452">parityRate</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> Quality <span class="keyword">const</span> q1{<a class="code hl_function" href="namespaceripple.html#a73cc988e7ba5d5ee0fd9db53740917ec">getRate</a>(<a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a>(trOut.value), <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a>(trIn.value))};</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a7c8945b5034bba5f9df719cff2503495">composed_quality</a>(q1, ofrQ);</div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> }</div>
</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="foldopen" id="foldopen00561" data-start="{" data-end="}">
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a44f67791a0ab19c59c65fc086292b8ab"> 561</a></span> <a class="code hl_function" href="classripple_1_1BookOfferCrossingStep.html#a44f67791a0ab19c59c65fc086292b8ab">logString</a>()<span class="keyword"> const override</span></div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> <span class="keywordflow">return</span> this-&gt;<a class="code hl_function" href="classripple_1_1BookStep.html#ab16dcf7219babffcc905cc5d331aa118">logStringImpl</a>(<span class="stringliteral">&quot;BookOfferCrossingStep&quot;</span>);</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> }</div>
</div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> </div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a3ee9a446068fd6570a4a9b5a34879fb7"> 567</a></span> <span class="keywordtype">bool</span> <span class="keyword">const</span> <a class="code hl_variable" href="classripple_1_1BookOfferCrossingStep.html#a3ee9a446068fd6570a4a9b5a34879fb7">defaultPath_</a>;</div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#aac32b8bb4caf8afce4b0e0398fc25ed7"> 568</a></span> Quality <span class="keyword">const</span> <a class="code hl_variable" href="classripple_1_1BookOfferCrossingStep.html#aac32b8bb4caf8afce4b0e0398fc25ed7">qualityThreshold_</a>;</div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span>};</div>
</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> </div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> </div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00575" data-start="{" data-end="}">
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a9960216d74d520047bacde5598dac46a"> 575</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#a9960216d74d520047bacde5598dac46a">BookStep&lt;TIn, TOut, TDerived&gt;::equal</a>(<a class="code hl_class" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>&amp; rhs)<span class="keyword"> const</span></div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> bs = <span class="keyword">dynamic_cast&lt;</span><a class="code hl_class" href="classripple_1_1BookStep.html">BookStep&lt;TIn, TOut, TDerived&gt;</a> const*<span class="keyword">&gt;</span>(&amp;rhs))</div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> <span class="keywordflow">return</span> book_ == bs-&gt;book_;</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span>}</div>
</div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> </div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</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="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a>&gt;</div>
<div class="foldopen" id="foldopen00584" data-start="{" data-end="}">
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ae34588a45abed1c1eeb250976ad360c5"> 584</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#ae34588a45abed1c1eeb250976ad360c5">BookStep&lt;TIn, TOut, TDerived&gt;::qualityUpperBound</a>(</div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> <a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; v,</div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <a class="code hl_enumeration" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir)<span class="keyword"> const</span></div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> <span class="keyword">auto</span> <span class="keyword">const</span> dir = this-&gt;debtDirection(v, <a class="code hl_enumvalue" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda965dbaac085fc891bfbbd4f9d145bbc8">StrandDirection::forward</a>);</div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> </div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::pair&lt;Quality, OfferType&gt;</a>&gt; <span class="keyword">const</span> res = tipOfferQuality(v);</div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> <span class="keywordflow">if</span> (!res)</div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</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>, dir};</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="keyword">auto</span> <span class="keyword">const</span> waiveFee = (<a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::get&lt;OfferType&gt;</a>(*res) == OfferType::AMM)</div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> ? <a class="code hl_enumvalue" href="namespaceripple.html#a9d22f4d38ac33f4258a0205f8e11d27ea93cba07454f06a4a960172bbd6e2a435">WaiveTransferFee::Yes</a></div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> : <a class="code hl_enumvalue" href="namespaceripple.html#a9d22f4d38ac33f4258a0205f8e11d27eabafd7322c6e97d25b6299b5d6fe8920b">WaiveTransferFee::No</a>;</div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> </div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> Quality <span class="keyword">const</span> q = <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;adjustQualityWithFees(</div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> v,</div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::get&lt;Quality&gt;</a>(*res),</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> prevStepDir,</div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> waiveFee,</div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::get&lt;OfferType&gt;</a>(*res),</div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> v.<a class="code hl_function" href="classripple_1_1ReadView.html#aceb3d74acaae18b238022337e5f250ce">rules</a>());</div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> <span class="keywordflow">return</span> {q, dir};</div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span>}</div>
</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> </div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;std::optional&lt;QualityFunction&gt;</a>, <a class="code hl_enumeration" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a>&gt;</div>
<div class="foldopen" id="foldopen00610" data-start="{" data-end="}">
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a64ff23a3b09a6f5c4a1f8a25d0a5f1b7"> 610</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#a64ff23a3b09a6f5c4a1f8a25d0a5f1b7">BookStep&lt;TIn, TOut, TDerived&gt;::getQualityFunc</a>(</div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> <a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; v,</div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <a class="code hl_enumeration" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir)<span class="keyword"> const</span></div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <span class="keyword">auto</span> <span class="keyword">const</span> dir = this-&gt;debtDirection(v, <a class="code hl_enumvalue" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda965dbaac085fc891bfbbd4f9d145bbc8">StrandDirection::forward</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;QualityFunction&gt;</a> <span class="keyword">const</span> res = tipOfferQualityF(v);</div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="keywordflow">if</span> (!res)</div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</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>, dir};</div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> </div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> <span class="comment">// AMM</span></div>
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> <span class="keywordflow">if</span> (!res-&gt;isConst())</div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> {</div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> <span class="keyword">auto</span> <span class="keyword">static</span> <span class="keyword">const</span> qOne = Quality{<a class="code hl_variable" href="classripple_1_1STAmount.html#afcd276e76921eac7cb0aa914bf434f9a">STAmount::uRateOne</a>};</div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> <span class="keyword">auto</span> <span class="keyword">const</span> q =</div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;adjustQualityWithFees(</div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> v,</div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> qOne,</div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> prevStepDir,</div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> <a class="code hl_enumvalue" href="namespaceripple.html#a9d22f4d38ac33f4258a0205f8e11d27ea93cba07454f06a4a960172bbd6e2a435">WaiveTransferFee::Yes</a>,</div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> OfferType::AMM,</div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> v.<a class="code hl_function" href="classripple_1_1ReadView.html#aceb3d74acaae18b238022337e5f250ce">rules</a>());</div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> <span class="keywordflow">if</span> (q == qOne)</div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> <span class="keywordflow">return</span> {res, dir};</div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> <a class="code hl_class" href="classripple_1_1QualityFunction.html">QualityFunction</a> qf{q, <a class="code hl_struct" href="structripple_1_1QualityFunction_1_1CLOBLikeTag.html">QualityFunction::CLOBLikeTag</a>{}};</div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> qf.combine(*res);</div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> <span class="keywordflow">return</span> {qf, dir};</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="comment">// CLOB</span></div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> Quality <span class="keyword">const</span> q = <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;adjustQualityWithFees(</div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> v,</div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> *(res-&gt;quality()),</div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> prevStepDir,</div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> <a class="code hl_enumvalue" href="namespaceripple.html#a9d22f4d38ac33f4258a0205f8e11d27eabafd7322c6e97d25b6299b5d6fe8920b">WaiveTransferFee::No</a>,</div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> OfferType::CLOB,</div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> v.<a class="code hl_function" href="classripple_1_1ReadView.html#aceb3d74acaae18b238022337e5f250ce">rules</a>());</div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> <span class="keywordflow">return</span> {<a class="code hl_class" href="classripple_1_1QualityFunction.html">QualityFunction</a>{q, <a class="code hl_struct" href="structripple_1_1QualityFunction_1_1CLOBLikeTag.html">QualityFunction::CLOBLikeTag</a>{}}, dir};</div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span>}</div>
</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><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</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="foldopen00652" data-start="{" data-end="}">
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a2361abd05389001f3c40e19fa667b289"> 652</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#a2361abd05389001f3c40e19fa667b289">BookStep&lt;TIn, TOut, TDerived&gt;::offersUsed</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> <span class="keywordflow">return</span> offersUsed_;</div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span>}</div>
</div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> </div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span><span class="comment">// Adjust the offer amount and step amount subject to the given input limit</span></div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> Offer&gt;</div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span><span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00660" data-start="{" data-end="}">
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"><a class="line" href="namespaceripple.html#a263796a7830204a27620035c603d2f15"> 660</a></span><a class="code hl_function" href="namespaceripple.html#a263796a7830204a27620035c603d2f15">limitStepIn</a>(</div>
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> <a class="code hl_class" href="classripple_1_1TOffer.html">Offer</a> <span class="keyword">const</span>&amp; offer,</div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> TAmounts&lt;TIn, TOut&gt;&amp; ofrAmt,</div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> TAmounts&lt;TIn, TOut&gt;&amp; stpAmt,</div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> TOut&amp; ownerGives,</div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateIn,</div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateOut,</div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> TIn <span class="keyword">const</span>&amp; limit)</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> (limit &lt; stpAmt.in)</div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> {</div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> stpAmt.in = limit;</div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> <span class="keyword">auto</span> <span class="keyword">const</span> inLmt =</div>
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> <a class="code hl_function" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(stpAmt.in, QUALITY_ONE, transferRateIn, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> <span class="comment">// It turns out we can prevent order book blocking by (strictly)</span></div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> <span class="comment">// rounding down the ceil_in() result. By rounding down we guarantee</span></div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> <span class="comment">// that the quality of an offer left in the ledger is as good or</span></div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> <span class="comment">// better than the quality of the containing order book page.</span></div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> <span class="comment">//</span></div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> <span class="comment">// This adjustment changes transaction outcomes, so it must be made</span></div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> <span class="comment">// under an amendment.</span></div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> ofrAmt = offer.limitIn(ofrAmt, inLmt, <span class="comment">/* roundUp */</span> <span class="keyword">false</span>);</div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> stpAmt.out = ofrAmt.out;</div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> ownerGives = <a class="code hl_function" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(</div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> ofrAmt.out, transferRateOut, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">false</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>}</div>
</div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> </div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span><span class="comment">// Adjust the offer amount and step amount subject to the given output limit</span></div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> Offer&gt;</div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span><span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00691" data-start="{" data-end="}">
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"><a class="line" href="namespaceripple.html#aa16a5e66c64d7a8b5c3a5123a2d21dfe"> 691</a></span><a class="code hl_function" href="namespaceripple.html#aa16a5e66c64d7a8b5c3a5123a2d21dfe">limitStepOut</a>(</div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> <a class="code hl_class" href="classripple_1_1TOffer.html">Offer</a> <span class="keyword">const</span>&amp; offer,</div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> TAmounts&lt;TIn, TOut&gt;&amp; ofrAmt,</div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> TAmounts&lt;TIn, TOut&gt;&amp; stpAmt,</div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> TOut&amp; ownerGives,</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/types/integer.html">std::uint32_t</a> transferRateIn,</div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateOut,</div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> TOut <span class="keyword">const</span>&amp; limit)</div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span>{</div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> <span class="keywordflow">if</span> (limit &lt; stpAmt.out)</div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> {</div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> stpAmt.out = limit;</div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> ownerGives = <a class="code hl_function" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(</div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> stpAmt.out, transferRateOut, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> ofrAmt = offer.limitOut(</div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> ofrAmt,</div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> stpAmt.out,</div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> stpAmt.in =</div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> <a class="code hl_function" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(ofrAmt.in, transferRateIn, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</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> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Callback&gt;</div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;boost::container::flat_set&lt;uint256&gt;</a>, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a>&gt;</div>
<div class="foldopen" id="foldopen00717" data-start="{" data-end="}">
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a7342a15a2176a19d7bfa38396915381c"> 717</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#a7342a15a2176a19d7bfa38396915381c">BookStep&lt;TIn, TOut, TDerived&gt;::forEachOffer</a>(</div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> <a class="code hl_class" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> <a class="code hl_class" href="classripple_1_1ApplyView.html">ApplyView</a>&amp; afView,</div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span> <a class="code hl_enumeration" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir,</div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> Callback&amp; callback)<span class="keyword"> const</span></div>
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span> <span class="comment">// Charge the offer owner, not the sender</span></div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> <span class="comment">// Charge a fee even if the owner is the same as the issuer</span></div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> <span class="comment">// (the old code does not charge a fee)</span></div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> <span class="comment">// Calculate amount that goes to the taker and the amount charged the offer</span></div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> <span class="comment">// owner</span></div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> <span class="keyword">auto</span> rate = [<span class="keyword">this</span>, &amp;sb](<a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; id) -&gt; <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="l00729" name="l00729"></a><span class="lineno"> 729</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(<span class="keywordtype">id</span>) || <span class="keywordtype">id</span> == this-&gt;strandDst_)</div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> <span class="keywordflow">return</span> QUALITY_ONE;</div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a9ad0749604cda5299e9af18bf08cb830">transferRate</a>(sb, <span class="keywordtype">id</span>).<a class="code hl_variable" href="structripple_1_1Rate.html#a59fd441d04e641347e6dc62c2301f671">value</a>;</div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> };</div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> </div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</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> trIn =</div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> <a class="code hl_enumvalue" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401ea7e611dd9f79193db43a5e9983752239e">redeems</a>(prevStepDir) ? rate(book_.in.account) : QUALITY_ONE;</div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> <span class="comment">// Always charge the transfer fee, even if the owner is the issuer</span></div>
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</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> trOut =</div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> ownerPaysTransferFee_ ? rate(book_.out.account) : QUALITY_ONE;</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">typename</span> <a class="code hl_class" href="classripple_1_1TOfferStreamBase_1_1StepCounter.html">FlowOfferStream&lt;TIn, TOut&gt;::StepCounter</a> counter(</div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> maxOffersToConsume_, j_);</div>
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> </div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> <a class="code hl_class" href="classripple_1_1FlowOfferStream.html">FlowOfferStream&lt;TIn, TOut&gt;</a> offers(</div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> sb, afView, book_, sb.<a class="code hl_function" href="classripple_1_1ReadView.html#a1427aa6cbbda99c50b9ca0ebf6e0d0b3">parentCloseTime</a>(), counter, j_);</div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> </div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> <span class="keywordtype">bool</span> offerAttempted = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a> ofrQ;</div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> <span class="keyword">auto</span> execOffer = [&amp;](<span class="keyword">auto</span>&amp; offer) {</div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> <span class="comment">// Note that offer.quality() returns a (non-optional) Quality. So</span></div>
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> <span class="comment">// ofrQ is always safe to use below this point in the lambda.</span></div>
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> <span class="keywordflow">if</span> (!ofrQ)</div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> ofrQ = offer.quality();</div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*ofrQ != offer.quality())</div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</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> <span class="keywordflow">if</span> (<span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;limitSelfCrossQuality(</div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> strandSrc_, strandDst_, offer, ofrQ, offers, offerAttempted))</div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</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> <span class="comment">// Make sure offer owner has authorization to own IOUs from issuer.</span></div>
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span> <span class="comment">// An account can always own XRP or their own IOUs.</span></div>
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(offer.issueIn().currency) &amp;&amp;</div>
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> offer.owner() != offer.issueIn().account)</div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> {</div>
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; issuerID = offer.issueIn().account;</div>
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> <span class="keyword">auto</span> <span class="keyword">const</span> issuer = afView.<a class="code hl_function" href="classripple_1_1ReadView.html#a0583a050ea7799ba331f6222a905f304">read</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#aa756e0f59b26042ed00a4d0ba6e96951">keylet::account</a>(issuerID));</div>
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> <span class="keywordflow">if</span> (issuer &amp;&amp; ((*issuer)[sfFlags] &amp; <a class="code hl_enumvalue" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a44c3bc643086a0beb87e3aaeb544e6ad">lsfRequireAuth</a>))</div>
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> {</div>
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> <span class="comment">// Issuer requires authorization. See if offer owner has that.</span></div>
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; ownerID = offer.owner();</div>
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"> 771</span> <span class="keyword">auto</span> <span class="keyword">const</span> authFlag =</div>
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span> issuerID &gt; ownerID ? <a class="code hl_enumvalue" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5ae6db21adf463a223e362b44f0fd54663">lsfHighAuth</a> : <a class="code hl_enumvalue" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5af37617abe9ad741cd823746961f1fb3a">lsfLowAuth</a>;</div>
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> </div>
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span> <span class="keyword">auto</span> <span class="keyword">const</span> line = afView.<a class="code hl_function" href="classripple_1_1ReadView.html#a0583a050ea7799ba331f6222a905f304">read</a>(</div>
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span> <a class="code hl_function" href="namespaceripple_1_1keylet.html#a55890af7192834c632299746ba300be8">keylet::line</a>(ownerID, issuerID, offer.issueIn().currency));</div>
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> </div>
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> <span class="keywordflow">if</span> (!line || (((*line)[sfFlags] &amp; authFlag) == 0))</div>
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> {</div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> <span class="comment">// Offer owner not authorized to hold IOU from issuer.</span></div>
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> <span class="comment">// Remove this offer even if no crossing occurs.</span></div>
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> key = offer.<a class="code hl_variable" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>())</div>
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> offers.permRmOffer(*key);</div>
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> <span class="keywordflow">if</span> (!offerAttempted)</div>
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span> <span class="comment">// Change quality only if no previous offers were tried.</span></div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> ofrQ = <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="l00786" name="l00786"></a><span class="lineno"> 786</span> <span class="comment">// Returning true causes offers.step() to delete the offer.</span></div>
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</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> }</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> </div>
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> <span class="keywordflow">if</span> (!<span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;checkQualityThreshold(</div>
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> offer.quality()))</div>
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> </div>
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> <span class="keyword">auto</span> <span class="keyword">const</span> [ofrInRate, ofrOutRate] = offer.adjustRates(</div>
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;getOfrInRate(</div>
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> prevStep_, offer.owner(), trIn),</div>
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> <span class="keyword">static_cast&lt;</span>TDerived const*<span class="keyword">&gt;</span>(<span class="keyword">this</span>)-&gt;getOfrOutRate(</div>
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> prevStep_, offer.owner(), strandDst_, trOut));</div>
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"> 801</span> </div>
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span> <span class="keyword">auto</span> ofrAmt = offer.amount();</div>
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno"> 803</span> TAmounts stpAmt{</div>
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"> 804</span> <a class="code hl_function" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(ofrAmt.in, ofrInRate, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>),</div>
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"> 805</span> ofrAmt.out};</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> <span class="comment">// owner pays the transfer fee.</span></div>
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno"> 808</span> <span class="keyword">auto</span> ownerGives =</div>
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno"> 809</span> <a class="code hl_function" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(ofrAmt.out, ofrOutRate, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno"> 810</span> </div>
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno"> 811</span> <span class="keyword">auto</span> <span class="keyword">const</span> funds = offer.isFunded()</div>
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno"> 812</span> ? ownerGives <span class="comment">// Offer owner is issuer; they have unlimited funds</span></div>
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno"> 813</span> : offers.ownerFunds();</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="comment">// Only if CLOB offer</span></div>
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span> <span class="keywordflow">if</span> (funds &lt; ownerGives)</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">// We already know offer.owner()!=offer.issueOut().account</span></div>
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> ownerGives = funds;</div>
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> stpAmt.out = <a class="code hl_function" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(</div>
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span> ownerGives, QUALITY_ONE, ofrOutRate, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno"> 822</span> </div>
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"> 823</span> <span class="comment">// It turns out we can prevent order book blocking by (strictly)</span></div>
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span> <span class="comment">// rounding down the ceil_out() result. This adjustment changes</span></div>
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> <span class="comment">// transaction outcomes, so it must be made under an amendment.</span></div>
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> ofrAmt = offer.limitOut(ofrAmt, stpAmt.out, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> </div>
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span> stpAmt.in =</div>
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> <a class="code hl_function" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(ofrAmt.in, ofrInRate, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</div>
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno"> 830</span> }</div>
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span> </div>
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span> offerAttempted = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span> <span class="keywordflow">return</span> callback(</div>
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span> offer, ofrAmt, stpAmt, ownerGives, ofrInRate, ofrOutRate);</div>
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"> 835</span> };</div>
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span> </div>
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> <span class="comment">// At any payment engine iteration, AMM offer can only be consumed once.</span></div>
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span> <span class="keyword">auto</span> tryAMM = [&amp;](<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a> <span class="keyword">const</span>&amp; lobQuality) -&gt; <span class="keywordtype">bool</span> {</div>
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> <span class="comment">// amm doesn&#39;t support domain yet</span></div>
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</span> <span class="keywordflow">if</span> (book_.domain)</div>
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> </div>
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span> <span class="comment">// If offer crossing then use either LOB quality or nullopt</span></div>
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> <span class="comment">// to prevent AMM being blocked by a lower quality LOB.</span></div>
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span> <span class="keyword">auto</span> <span class="keyword">const</span> qualityThreshold = [&amp;]() -&gt; <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a> {</div>
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> <span class="keywordflow">if</span> (sb.<a class="code hl_function" href="classripple_1_1detail_1_1ApplyViewBase.html#af16244cf2efd903b4575a0b85c94d159">rules</a>().<a class="code hl_function" href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">enabled</a>(fixAMMv1_1) &amp;&amp; lobQuality)</div>
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</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;qualityThreshold(</div>
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> *lobQuality);</div>
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span> <span class="keywordflow">return</span> lobQuality;</div>
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> }();</div>
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> <span class="keyword">auto</span> ammOffer = getAMMOffer(sb, qualityThreshold);</div>
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span> <span class="keywordflow">return</span> !ammOffer || execOffer(*ammOffer);</div>
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</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">if</span> (offers.step())</div>
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span> {</div>
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span> <span class="keywordflow">if</span> (tryAMM(offers.tip().quality()))</div>
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span> {</div>
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno"> 859</span> <span class="keywordflow">do</span></div>
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"> 860</span> {</div>
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> <span class="keywordflow">if</span> (!execOffer(offers.tip()))</div>
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"> 862</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span> } <span class="keywordflow">while</span> (offers.step());</div>
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> }</div>
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno"> 865</span> }</div>
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno"> 866</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno"> 867</span> {</div>
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno"> 868</span> <span class="comment">// Might have AMM offer if there are no LOB offers.</span></div>
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno"> 869</span> tryAMM(<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="l00870" name="l00870"></a><span class="lineno"> 870</span> }</div>
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"> 871</span> </div>
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno"> 872</span> <span class="keywordflow">return</span> {offers.permToRemove(), counter.<a class="code hl_function" href="classripple_1_1TOfferStreamBase_1_1StepCounter.html#afa54b3e228261c77bd99b202aeca92bc">count</a>()};</div>
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno"> 873</span>}</div>
</div>
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"> 874</span> </div>
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span><span class="keyword">template</span> &lt;<span class="keyword">template</span> &lt;<span class="keyword">typename</span>, <span class="keyword">typename</span>&gt; <span class="keyword">typename</span> <a class="code hl_class" href="classripple_1_1TOffer.html">Offer</a>&gt;</div>
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00878" data-start="{" data-end="}">
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a4bc1a7ac0a842e8774fb66ed15c87e23"> 878</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#a4bc1a7ac0a842e8774fb66ed15c87e23">BookStep&lt;TIn, TOut, TDerived&gt;::consumeOffer</a>(</div>
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> <a class="code hl_class" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span> <a class="code hl_class" href="classripple_1_1TOffer.html">Offer&lt;TIn, TOut&gt;</a>&amp; offer,</div>
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span> TAmounts&lt;TIn, TOut&gt; <span class="keyword">const</span>&amp; ofrAmt,</div>
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span> TAmounts&lt;TIn, TOut&gt; <span class="keyword">const</span>&amp; stepAmt,</div>
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span> TOut <span class="keyword">const</span>&amp; ownerGives)<span class="keyword"> const</span></div>
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno"> 884</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno"> 885</span> <span class="keywordflow">if</span> (!offer.checkInvariant(ofrAmt, j_))</div>
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno"> 886</span> {</div>
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno"> 887</span> <span class="comment">// purposely written as separate if statements so we get logging even</span></div>
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno"> 888</span> <span class="comment">// when the amendment isn&#39;t active.</span></div>
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno"> 889</span> <span class="keywordflow">if</span> (sb.<a class="code hl_function" href="classripple_1_1detail_1_1ApplyViewBase.html#af16244cf2efd903b4575a0b85c94d159">rules</a>().<a class="code hl_function" href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">enabled</a>(fixAMMOverflowOffer))</div>
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno"> 890</span> {</div>
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno"> 891</span> Throw&lt;FlowException&gt;(</div>
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno"> 892</span> <a class="code hl_enumvalue" href="namespaceripple.html#aa298e929e02f59c2b05a30ee8805b38caa7dccd25363fdff0d363bd16553d1c84">tecINVARIANT_FAILED</a>, <span class="stringliteral">&quot;AMM pool product invariant failed.&quot;</span>);</div>
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno"> 893</span> }</div>
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno"> 894</span> }</div>
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"> 895</span> </div>
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> <span class="comment">// The offer owner gets the ofrAmt. The difference between ofrAmt and</span></div>
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> <span class="comment">// stepAmt is a transfer fee that goes to book_.in.account</span></div>
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> {</div>
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span> <span class="keyword">auto</span> <span class="keyword">const</span> dr = offer.send(</div>
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span> sb,</div>
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"> 901</span> book_.in.account,</div>
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span> offer.owner(),</div>
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"> 903</span> <a class="code hl_function" href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">toSTAmount</a>(ofrAmt.in, book_.in),</div>
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"> 904</span> j_);</div>
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span> <span class="keywordflow">if</span> (dr != <a class="code hl_enumvalue" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>)</div>
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span> Throw&lt;FlowException&gt;(dr);</div>
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> }</div>
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"> 908</span> </div>
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> <span class="comment">// The offer owner pays `ownerGives`. The difference between ownerGives and</span></div>
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> <span class="comment">// stepAmt is a transfer fee that goes to book_.out.account</span></div>
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span> {</div>
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span> <span class="keyword">auto</span> <span class="keyword">const</span> cr = offer.send(</div>
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span> sb,</div>
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"> 914</span> offer.owner(),</div>
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"> 915</span> book_.out.account,</div>
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span> <a class="code hl_function" href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">toSTAmount</a>(ownerGives, book_.out),</div>
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span> j_);</div>
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"> 918</span> <span class="keywordflow">if</span> (cr != <a class="code hl_enumvalue" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>)</div>
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> Throw&lt;FlowException&gt;(cr);</div>
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> }</div>
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> </div>
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span> offer.consume(sb, ofrAmt);</div>
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span>}</div>
</div>
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> </div>
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"> 925</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;AMMOffer&lt;TIn, TOut&gt;</a>&gt;</div>
<div class="foldopen" id="foldopen00927" data-start="{" data-end="}">
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a0be75bff9e2108181febecf4e7a2c3d3"> 927</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#a0be75bff9e2108181febecf4e7a2c3d3">BookStep&lt;TIn, TOut, TDerived&gt;::getAMMOffer</a>(</div>
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno"> 928</span> <a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; view,</div>
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"> 929</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a> <span class="keyword">const</span>&amp; clobQuality)<span class="keyword"> const</span></div>
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> <span class="keywordflow">if</span> (ammLiquidity_)</div>
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> <span class="keywordflow">return</span> ammLiquidity_-&gt;getOffer(view, clobQuality);</div>
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno"> 933</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="l00934" name="l00934"></a><span class="lineno"> 934</span>}</div>
</div>
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno"> 935</span> </div>
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno"> 936</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"> 937</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::variant&lt;Quality, AMMOffer&lt;TIn, TOut&gt;</a>&gt;&gt;</div>
<div class="foldopen" id="foldopen00938" data-start="{" data-end="}">
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ade71b95b59a9aed89dc9a1858c64828e"> 938</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#ade71b95b59a9aed89dc9a1858c64828e">BookStep&lt;TIn, TOut, TDerived&gt;::tip</a>(<a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; view)<span class="keyword"> const</span></div>
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"> 940</span> <span class="comment">// This can be simplified (and sped up) if directories are never empty.</span></div>
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"> 941</span> <a class="code hl_class" href="classripple_1_1Sandbox.html">Sandbox</a> sb(&amp;view, <a class="code hl_enumvalue" href="namespaceripple.html#ad2487abbcc1a5d6064b72144b461df6eaf77cbea9706ce2ee7fdf5a85efbf70c5">tapNONE</a>);</div>
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> <a class="code hl_class" href="classripple_1_1BookTip.html">BookTip</a> bt(sb, book_);</div>
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span> <span class="keyword">auto</span> <span class="keyword">const</span> lobQuality =</div>
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> bt.<a class="code hl_function" href="classripple_1_1BookTip.html#a397775ff95cf391a6cdc71bf0bfd1082">step</a>(j_) ? <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a>(bt.<a class="code hl_function" href="classripple_1_1BookTip.html#aa2497a327f1ff60a6c9cb43f1f55afa4">quality</a>()) : <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="l00945" name="l00945"></a><span class="lineno"> 945</span> <span class="comment">// Multi-path offer generates an offer with the quality</span></div>
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> <span class="comment">// calculated from the offer size and the quality is constant in this case.</span></div>
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> <span class="comment">// Single path offer quality changes with the offer size. Spot price quality</span></div>
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> <span class="comment">// (SPQ) can&#39;t be used in this case as the upper bound quality because</span></div>
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span> <span class="comment">// even if SPQ quality is better than LOB quality, it might not be possible</span></div>
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> <span class="comment">// to generate AMM offer at or better quality than LOB quality. Another</span></div>
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span> <span class="comment">// factor to consider is limit quality on offer crossing. If LOB quality</span></div>
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span> <span class="comment">// is greater than limit quality then use LOB quality when generating AMM</span></div>
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> <span class="comment">// offer, otherwise don&#39;t use quality threshold when generating AMM offer.</span></div>
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"> 954</span> <span class="comment">// AMM or LOB offer, whether multi-path or single path then can be selected</span></div>
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> <span class="comment">// based on the best offer quality. Using the quality to generate AMM offer</span></div>
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> <span class="comment">// in this case also prevents the payment engine from going into multiple</span></div>
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> <span class="comment">// iterations to cross a LOB offer. This happens when AMM changes</span></div>
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span> <span class="comment">// the out amount at the start of iteration to match the limitQuality</span></div>
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> <span class="comment">// on offer crossing but AMM can&#39;t generate the offer at this quality,</span></div>
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span> <span class="comment">// as the result a LOB offer is partially crossed, and it might take a few</span></div>
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> <span class="comment">// iterations to fully cross the offer.</span></div>
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> <span class="keyword">auto</span> <span class="keyword">const</span> qualityThreshold = [&amp;]() -&gt; <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Quality&gt;</a> {</div>
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span> <span class="keywordflow">if</span> (view.<a class="code hl_function" href="classripple_1_1ReadView.html#aceb3d74acaae18b238022337e5f250ce">rules</a>().<a class="code hl_function" href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">enabled</a>(fixAMMv1_1) &amp;&amp; lobQuality)</div>
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</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;qualityThreshold(</div>
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> *lobQuality);</div>
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</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="l00967" name="l00967"></a><span class="lineno"> 967</span> }();</div>
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> <span class="comment">// AMM quality is better or no LOB offer</span></div>
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> ammOffer = getAMMOffer(view, qualityThreshold); ammOffer &amp;&amp;</div>
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> ((lobQuality &amp;&amp; ammOffer-&gt;quality() &gt; lobQuality) || !lobQuality))</div>
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span> <span class="keywordflow">return</span> ammOffer;</div>
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> <span class="comment">// LOB quality is better or nullopt</span></div>
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> <span class="keywordflow">return</span> lobQuality;</div>
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span>}</div>
</div>
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> </div>
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span><span class="keyword">auto</span></div>
<div class="foldopen" id="foldopen00978" data-start="{" data-end="}">
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a3ba27fef28ff0493604de5d9cbb835b6"> 978</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#a3ba27fef28ff0493604de5d9cbb835b6">BookStep&lt;TIn, TOut, TDerived&gt;::tipOfferQuality</a>(<a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; view) <span class="keyword">const</span></div>
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span> -&gt; <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::pair&lt;Quality, OfferType&gt;</a>&gt;</div>
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span>{</div>
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> res = tip(view); !res)</div>
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</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="l00983" name="l00983"></a><span class="lineno"> 983</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> q = <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::get_if&lt;Quality&gt;</a>(&amp;(*res)))</div>
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</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>(*q, OfferType::CLOB);</div>
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</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>(</div>
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> std::get&lt;<a class="code hl_class" href="classripple_1_1AMMOffer.html">AMMOffer&lt;TIn, TOut&gt;</a>&gt;(*res).<a class="code hl_function" href="classripple_1_1AMMOffer.html#a486876093ae0534c3b2f6e0de734822f">quality</a>(), OfferType::AMM);</div>
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span>}</div>
</div>
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> </div>
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;QualityFunction&gt;</a></div>
<div class="foldopen" id="foldopen00992" data-start="{" data-end="}">
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ac8507d9769d13f97315a955f6c15d233"> 992</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#ac8507d9769d13f97315a955f6c15d233">BookStep&lt;TIn, TOut, TDerived&gt;::tipOfferQualityF</a>(<a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; view)<span class="keyword"> const</span></div>
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> res = tip(view); !res)</div>
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</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="l00996" name="l00996"></a><span class="lineno"> 996</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> q = <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::get_if&lt;Quality&gt;</a>(&amp;(*res)))</div>
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classripple_1_1QualityFunction.html">QualityFunction</a>{*q, <a class="code hl_struct" href="structripple_1_1QualityFunction_1_1CLOBLikeTag.html">QualityFunction::CLOBLikeTag</a>{}};</div>
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno"> 998</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno"> 999</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::get&lt;AMMOffer&lt;TIn, TOut&gt;</a>&gt;(*res).getQualityFunc();</div>
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span>}</div>
</div>
</div>
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span> </div>
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TCollection&gt;</div>
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span><span class="keyword">static</span> <span class="keyword">auto</span></div>
<div class="foldopen" id="foldopen01004" data-start="{" data-end="}">
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"><a class="line" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7"> 1004</a></span><a class="code hl_function" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(TCollection <span class="keyword">const</span>&amp; col)</div>
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span>{</div>
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> <span class="keyword">using </span>TResult = <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/decay.html">std::decay_t</a>&lt;<span class="keyword">decltype</span>(*col.begin())&gt;;</div>
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> <span class="keywordflow">if</span> (col.empty())</div>
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> <span class="keywordflow">return</span> TResult{beast::zero};</div>
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/accumulate.html">std::accumulate</a>(col.begin() + 1, col.end(), *col.begin());</div>
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span>};</div>
</div>
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> </div>
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;TIn, TOut&gt;</a></div>
<div class="foldopen" id="foldopen01014" data-start="{" data-end="}">
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#aa2b69d5c94b1303c7554eadcb0a4b759"> 1014</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#aa2b69d5c94b1303c7554eadcb0a4b759">BookStep&lt;TIn, TOut, TDerived&gt;::revImp</a>(</div>
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span> <a class="code hl_class" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> <a class="code hl_class" href="classripple_1_1ApplyView.html">ApplyView</a>&amp; afView,</div>
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span> boost::container::flat_set&lt;uint256&gt;&amp; ofrsToRm,</div>
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> TOut <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>)</div>
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span>{</div>
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> cache_.reset();</div>
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span> </div>
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> TAmounts&lt;TIn, TOut&gt; result(beast::zero, beast::zero);</div>
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> </div>
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> <span class="keyword">auto</span> remainingOut = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>;</div>
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> </div>
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> boost::container::flat_multiset&lt;TIn&gt; savedIns;</div>
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span> savedIns.reserve(64);</div>
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> boost::container::flat_multiset&lt;TOut&gt; savedOuts;</div>
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span> savedOuts.reserve(64);</div>
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> </div>
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span> <span class="comment">/* amt fed will be adjusted by owner funds (and may differ from the offer&#39;s</span></div>
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span><span class="comment"> amounts - tho always &lt;=)</span></div>
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span><span class="comment"> Return true to continue to receive offers, false to stop receiving offers.</span></div>
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span><span class="comment"> */</span></div>
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span> <span class="keyword">auto</span> eachOffer = [&amp;](<span class="keyword">auto</span>&amp; offer,</div>
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span> TAmounts&lt;TIn, TOut&gt; <span class="keyword">const</span>&amp; ofrAmt,</div>
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span> TAmounts&lt;TIn, TOut&gt; <span class="keyword">const</span>&amp; stpAmt,</div>
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span> TOut <span class="keyword">const</span>&amp; ownerGives,</div>
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateIn,</div>
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateOut) <span class="keyword">mutable</span> -&gt; <span class="keywordtype">bool</span> {</div>
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span> <span class="keywordflow">if</span> (remainingOut &lt;= beast::zero)</div>
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span> </div>
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span> <span class="keywordflow">if</span> (stpAmt.out &lt;= remainingOut)</div>
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span> {</div>
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span> savedIns.insert(stpAmt.in);</div>
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span> savedOuts.insert(stpAmt.out);</div>
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span> result = TAmounts&lt;TIn, TOut&gt;(<a class="code hl_function" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedIns), <a class="code hl_function" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedOuts));</div>
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span> remainingOut = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a> - result.out;</div>
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span> this-&gt;consumeOffer(sb, offer, ofrAmt, stpAmt, ownerGives);</div>
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span> <span class="comment">// return true b/c even if the payment is satisfied,</span></div>
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span> <span class="comment">// we need to consume the offer</span></div>
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> }</div>
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span> {</div>
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span> <span class="keyword">auto</span> ofrAdjAmt = ofrAmt;</div>
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> <span class="keyword">auto</span> stpAdjAmt = stpAmt;</div>
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> <span class="keyword">auto</span> ownerGivesAdj = ownerGives;</div>
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span> <a class="code hl_function" href="namespaceripple.html#aa16a5e66c64d7a8b5c3a5123a2d21dfe">limitStepOut</a>(</div>
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> offer,</div>
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span> ofrAdjAmt,</div>
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> stpAdjAmt,</div>
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span> ownerGivesAdj,</div>
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span> transferRateIn,</div>
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> transferRateOut,</div>
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span> remainingOut);</div>
<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span> remainingOut = beast::zero;</div>
<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span> savedIns.insert(stpAdjAmt.in);</div>
<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span> savedOuts.insert(remainingOut);</div>
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span> result.in = <a class="code hl_function" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedIns);</div>
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span> result.out = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>;</div>
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span> this-&gt;consumeOffer(sb, offer, ofrAdjAmt, stpAdjAmt, ownerGivesAdj);</div>
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span> </div>
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span> <span class="comment">// Explicitly check whether the offer is funded. Given that we have</span></div>
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span> <span class="comment">// (stpAmt.out &gt; remainingOut), it&#39;s natural to assume the offer</span></div>
<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span> <span class="comment">// will still be funded after consuming remainingOut but that is</span></div>
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span> <span class="comment">// not always the case. If the mantissas of two IOU amounts differ</span></div>
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span> <span class="comment">// by less than ten, then subtracting them leaves a zero.</span></div>
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span> <span class="keywordflow">return</span> offer.fully_consumed();</div>
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span> }</div>
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span> };</div>
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> </div>
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span> {</div>
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span> <span class="keyword">auto</span> <span class="keyword">const</span> prevStepDebtDir = [&amp;] {</div>
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span> <span class="keywordflow">if</span> (prevStep_)</div>
<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span> <span class="keywordflow">return</span> prevStep_-&gt;debtDirection(sb, <a class="code hl_enumvalue" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda4d9c2073afa3c2abb817dceb22c34de6">StrandDirection::reverse</a>);</div>
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>;</div>
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span> }();</div>
<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span> <span class="keyword">auto</span> <span class="keyword">const</span> r = forEachOffer(sb, afView, prevStepDebtDir, eachOffer);</div>
<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span> boost::container::flat_set&lt;uint256&gt; toRm = std::move(<a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::get&lt;0&gt;</a>(r));</div>
<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</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> offersConsumed = <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::get&lt;1&gt;</a>(r);</div>
<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span> offersUsed_ = offersConsumed;</div>
<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span> <a class="code hl_function" href="namespaceripple.html#a7dfbbc119e9821f91f95982dadcfd712">SetUnion</a>(ofrsToRm, toRm);</div>
<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span> </div>
<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span> <span class="keywordflow">if</span> (offersConsumed &gt;= maxOffersToConsume_)</div>
<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span> {</div>
<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span> <span class="comment">// Too many iterations, mark this strand as inactive</span></div>
<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span> <span class="keywordflow">if</span> (!afView.<a class="code hl_function" href="classripple_1_1ReadView.html#aceb3d74acaae18b238022337e5f250ce">rules</a>().<a class="code hl_function" href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">enabled</a>(fix1515))</div>
<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span> {</div>
<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span> <span class="comment">// Don&#39;t use the liquidity</span></div>
<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span> cache_.emplace(beast::zero, beast::zero);</div>
<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span> <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span> }</div>
<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span> </div>
<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span> <span class="comment">// Use the liquidity, but use this to mark the strand as inactive so</span></div>
<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span> <span class="comment">// it&#39;s not used further</span></div>
<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span> inactive_ = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span> }</div>
<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span> }</div>
<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span> </div>
<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span> <span class="keywordflow">switch</span> (remainingOut.signum())</div>
<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span> {</div>
<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span> <span class="keywordflow">case</span> -1: {</div>
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"> 1115</span> <span class="comment">// something went very wrong</span></div>
<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span> JLOG(j_.<a class="code hl_function" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>())</div>
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span> &lt;&lt; <span class="stringliteral">&quot;BookStep remainingOut &lt; 0 &quot;</span> &lt;&lt; <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(remainingOut);</div>
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span> UNREACHABLE(<span class="stringliteral">&quot;ripple::BookStep::revImp : remaining less than zero&quot;</span>);</div>
<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span> cache_.emplace(beast::zero, beast::zero);</div>
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span> <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span> }</div>
<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> <span class="keywordflow">case</span> 0: {</div>
<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span> <span class="comment">// due to normalization, remainingOut can be zero without</span></div>
<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span> <span class="comment">// result.out == out. Force result.out == out for this case</span></div>
<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span> result.out = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>;</div>
<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span> }</div>
<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span> }</div>
<div class="line"><a id="l01128" name="l01128"></a><span class="lineno"> 1128</span> </div>
<div class="line"><a id="l01129" name="l01129"></a><span class="lineno"> 1129</span> cache_.emplace(result.in, result.out);</div>
<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span> <span class="keywordflow">return</span> {result.in, result.out};</div>
<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span>}</div>
</div>
<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span> </div>
<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;TIn, TOut&gt;</a></div>
<div class="foldopen" id="foldopen01135" data-start="{" data-end="}">
<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ac360725d48ffbe2a589ae0f4ca23c569"> 1135</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#ac360725d48ffbe2a589ae0f4ca23c569">BookStep&lt;TIn, TOut, TDerived&gt;::fwdImp</a>(</div>
<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span> <a class="code hl_class" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span> <a class="code hl_class" href="classripple_1_1ApplyView.html">ApplyView</a>&amp; afView,</div>
<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span> boost::container::flat_set&lt;uint256&gt;&amp; ofrsToRm,</div>
<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span> TIn <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span>{</div>
<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span> XRPL_ASSERT(cache_, <span class="stringliteral">&quot;ripple::BookStep::fwdImp : cache is set&quot;</span>);</div>
<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span> </div>
<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span> TAmounts&lt;TIn, TOut&gt; result(beast::zero, beast::zero);</div>
<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span> </div>
<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span> <span class="keyword">auto</span> remainingIn = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span> </div>
<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span> boost::container::flat_multiset&lt;TIn&gt; savedIns;</div>
<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span> savedIns.reserve(64);</div>
<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span> boost::container::flat_multiset&lt;TOut&gt; savedOuts;</div>
<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"> 1150</span> savedOuts.reserve(64);</div>
<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span> </div>
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span> <span class="comment">// amt fed will be adjusted by owner funds (and may differ from the offer&#39;s</span></div>
<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span> <span class="comment">// amounts - tho always &lt;=)</span></div>
<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</span> <span class="keyword">auto</span> eachOffer = [&amp;](<span class="keyword">auto</span>&amp; offer,</div>
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span> TAmounts&lt;TIn, TOut&gt; <span class="keyword">const</span>&amp; ofrAmt,</div>
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span> TAmounts&lt;TIn, TOut&gt; <span class="keyword">const</span>&amp; stpAmt,</div>
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span> TOut <span class="keyword">const</span>&amp; ownerGives,</div>
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateIn,</div>
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateOut) <span class="keyword">mutable</span> -&gt; <span class="keywordtype">bool</span> {</div>
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span> XRPL_ASSERT(</div>
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span> cache_, <span class="stringliteral">&quot;ripple::BookStep::fwdImp::eachOffer : cache is set&quot;</span>);</div>
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span> </div>
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span> <span class="keywordflow">if</span> (remainingIn &lt;= beast::zero)</div>
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span> </div>
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span> <span class="keywordtype">bool</span> processMore = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span> <span class="keyword">auto</span> ofrAdjAmt = ofrAmt;</div>
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span> <span class="keyword">auto</span> stpAdjAmt = stpAmt;</div>
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span> <span class="keyword">auto</span> ownerGivesAdj = ownerGives;</div>
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span> </div>
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span> <span class="keyword">typename</span> boost::container::flat_multiset&lt;TOut&gt;::const_iterator lastOut;</div>
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span> <span class="keywordflow">if</span> (stpAmt.in &lt;= remainingIn)</div>
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span> {</div>
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span> savedIns.insert(stpAmt.in);</div>
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"> 1175</span> lastOut = savedOuts.insert(stpAmt.out);</div>
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span> result = TAmounts&lt;TIn, TOut&gt;(<a class="code hl_function" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedIns), <a class="code hl_function" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedOuts));</div>
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span> <span class="comment">// consume the offer even if stepAmt.in == remainingIn</span></div>
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</span> processMore = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01179" name="l01179"></a><span class="lineno"> 1179</span> }</div>
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l01181" name="l01181"></a><span class="lineno"> 1181</span> {</div>
<div class="line"><a id="l01182" name="l01182"></a><span class="lineno"> 1182</span> <a class="code hl_function" href="namespaceripple.html#a263796a7830204a27620035c603d2f15">limitStepIn</a>(</div>
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span> offer,</div>
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span> ofrAdjAmt,</div>
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span> stpAdjAmt,</div>
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span> ownerGivesAdj,</div>
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span> transferRateIn,</div>
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span> transferRateOut,</div>
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span> remainingIn);</div>
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span> savedIns.insert(remainingIn);</div>
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span> lastOut = savedOuts.insert(stpAdjAmt.out);</div>
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span> result.out = <a class="code hl_function" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedOuts);</div>
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span> result.in = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span> </div>
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span> processMore = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01196" name="l01196"></a><span class="lineno"> 1196</span> }</div>
<div class="line"><a id="l01197" name="l01197"></a><span class="lineno"> 1197</span> </div>
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span> <span class="keywordflow">if</span> (result.out &gt; cache_-&gt;out &amp;&amp; result.in &lt;= cache_-&gt;in)</div>
<div class="line"><a id="l01199" name="l01199"></a><span class="lineno"> 1199</span> {</div>
<div class="line"><a id="l01200" name="l01200"></a><span class="lineno"> 1200</span> <span class="comment">// The step produced more output in the forward pass than the</span></div>
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span> <span class="comment">// reverse pass while consuming the same input (or less). If we</span></div>
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span> <span class="comment">// compute the input required to produce the cached output</span></div>
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span> <span class="comment">// (produced in the reverse step) and the input is equal to</span></div>
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span> <span class="comment">// the input consumed in the forward step, then consume the</span></div>
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span> <span class="comment">// input provided in the forward step and produce the output</span></div>
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span> <span class="comment">// requested from the reverse step.</span></div>
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span> <span class="keyword">auto</span> <span class="keyword">const</span> lastOutAmt = *lastOut;</div>
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span> savedOuts.erase(lastOut);</div>
<div class="line"><a id="l01209" name="l01209"></a><span class="lineno"> 1209</span> <span class="keyword">auto</span> <span class="keyword">const</span> remainingOut = cache_-&gt;out - <a class="code hl_function" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedOuts);</div>
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span> <span class="keyword">auto</span> ofrAdjAmtRev = ofrAmt;</div>
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</span> <span class="keyword">auto</span> stpAdjAmtRev = stpAmt;</div>
<div class="line"><a id="l01212" name="l01212"></a><span class="lineno"> 1212</span> <span class="keyword">auto</span> ownerGivesAdjRev = ownerGives;</div>
<div class="line"><a id="l01213" name="l01213"></a><span class="lineno"> 1213</span> <a class="code hl_function" href="namespaceripple.html#aa16a5e66c64d7a8b5c3a5123a2d21dfe">limitStepOut</a>(</div>
<div class="line"><a id="l01214" name="l01214"></a><span class="lineno"> 1214</span> offer,</div>
<div class="line"><a id="l01215" name="l01215"></a><span class="lineno"> 1215</span> ofrAdjAmtRev,</div>
<div class="line"><a id="l01216" name="l01216"></a><span class="lineno"> 1216</span> stpAdjAmtRev,</div>
<div class="line"><a id="l01217" name="l01217"></a><span class="lineno"> 1217</span> ownerGivesAdjRev,</div>
<div class="line"><a id="l01218" name="l01218"></a><span class="lineno"> 1218</span> transferRateIn,</div>
<div class="line"><a id="l01219" name="l01219"></a><span class="lineno"> 1219</span> transferRateOut,</div>
<div class="line"><a id="l01220" name="l01220"></a><span class="lineno"> 1220</span> remainingOut);</div>
<div class="line"><a id="l01221" name="l01221"></a><span class="lineno"> 1221</span> </div>
<div class="line"><a id="l01222" name="l01222"></a><span class="lineno"> 1222</span> <span class="keywordflow">if</span> (stpAdjAmtRev.in == remainingIn)</div>
<div class="line"><a id="l01223" name="l01223"></a><span class="lineno"> 1223</span> {</div>
<div class="line"><a id="l01224" name="l01224"></a><span class="lineno"> 1224</span> result.in = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
<div class="line"><a id="l01225" name="l01225"></a><span class="lineno"> 1225</span> result.out = cache_-&gt;out;</div>
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"> 1226</span> </div>
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span> savedIns.clear();</div>
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span> savedIns.insert(result.in);</div>
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"> 1229</span> savedOuts.clear();</div>
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span> savedOuts.insert(result.out);</div>
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span> </div>
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span> ofrAdjAmt = ofrAdjAmtRev;</div>
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span> stpAdjAmt.in = remainingIn;</div>
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span> stpAdjAmt.out = remainingOut;</div>
<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span> ownerGivesAdj = ownerGivesAdjRev;</div>
<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span> }</div>
<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l01238" name="l01238"></a><span class="lineno"> 1238</span> {</div>
<div class="line"><a id="l01239" name="l01239"></a><span class="lineno"> 1239</span> <span class="comment">// This is (likely) a problem case, and will be caught</span></div>
<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span> <span class="comment">// with later checks</span></div>
<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span> savedOuts.insert(lastOutAmt);</div>
<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span> }</div>
<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span> }</div>
<div class="line"><a id="l01244" name="l01244"></a><span class="lineno"> 1244</span> </div>
<div class="line"><a id="l01245" name="l01245"></a><span class="lineno"> 1245</span> remainingIn = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a> - result.in;</div>
<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span> this-&gt;consumeOffer(sb, offer, ofrAdjAmt, stpAdjAmt, ownerGivesAdj);</div>
<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span> </div>
<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span> <span class="comment">// When the mantissas of two iou amounts differ by less than ten, then</span></div>
<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span> <span class="comment">// subtracting them leaves a result of zero. This can cause the check</span></div>
<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span> <span class="comment">// for (stpAmt.in &gt; remainingIn) to incorrectly think an offer will be</span></div>
<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span> <span class="comment">// funded after subtracting remainingIn.</span></div>
<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span> <span class="keywordflow">return</span> processMore || offer.fully_consumed();</div>
<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span> };</div>
<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span> </div>
<div class="line"><a id="l01255" name="l01255"></a><span class="lineno"> 1255</span> {</div>
<div class="line"><a id="l01256" name="l01256"></a><span class="lineno"> 1256</span> <span class="keyword">auto</span> <span class="keyword">const</span> prevStepDebtDir = [&amp;] {</div>
<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span> <span class="keywordflow">if</span> (prevStep_)</div>
<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span> <span class="keywordflow">return</span> prevStep_-&gt;debtDirection(sb, <a class="code hl_enumvalue" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda965dbaac085fc891bfbbd4f9d145bbc8">StrandDirection::forward</a>);</div>
<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>;</div>
<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</span> }();</div>
<div class="line"><a id="l01261" name="l01261"></a><span class="lineno"> 1261</span> <span class="keyword">auto</span> <span class="keyword">const</span> r = forEachOffer(sb, afView, prevStepDebtDir, eachOffer);</div>
<div class="line"><a id="l01262" name="l01262"></a><span class="lineno"> 1262</span> boost::container::flat_set&lt;uint256&gt; toRm = std::move(<a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::get&lt;0&gt;</a>(r));</div>
<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"> 1263</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> offersConsumed = <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::get&lt;1&gt;</a>(r);</div>
<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</span> offersUsed_ = offersConsumed;</div>
<div class="line"><a id="l01265" name="l01265"></a><span class="lineno"> 1265</span> <a class="code hl_function" href="namespaceripple.html#a7dfbbc119e9821f91f95982dadcfd712">SetUnion</a>(ofrsToRm, toRm);</div>
<div class="line"><a id="l01266" name="l01266"></a><span class="lineno"> 1266</span> </div>
<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span> <span class="keywordflow">if</span> (offersConsumed &gt;= maxOffersToConsume_)</div>
<div class="line"><a id="l01268" name="l01268"></a><span class="lineno"> 1268</span> {</div>
<div class="line"><a id="l01269" name="l01269"></a><span class="lineno"> 1269</span> <span class="comment">// Too many iterations, mark this strand as inactive (dry)</span></div>
<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"> 1270</span> <span class="keywordflow">if</span> (!afView.<a class="code hl_function" href="classripple_1_1ReadView.html#aceb3d74acaae18b238022337e5f250ce">rules</a>().<a class="code hl_function" href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">enabled</a>(fix1515))</div>
<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span> {</div>
<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</span> <span class="comment">// Don&#39;t use the liquidity</span></div>
<div class="line"><a id="l01273" name="l01273"></a><span class="lineno"> 1273</span> cache_.emplace(beast::zero, beast::zero);</div>
<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"> 1274</span> <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span> }</div>
<div class="line"><a id="l01276" name="l01276"></a><span class="lineno"> 1276</span> </div>
<div class="line"><a id="l01277" name="l01277"></a><span class="lineno"> 1277</span> <span class="comment">// Use the liquidity, but use this to mark the strand as inactive so</span></div>
<div class="line"><a id="l01278" name="l01278"></a><span class="lineno"> 1278</span> <span class="comment">// it&#39;s not used further</span></div>
<div class="line"><a id="l01279" name="l01279"></a><span class="lineno"> 1279</span> inactive_ = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01280" name="l01280"></a><span class="lineno"> 1280</span> }</div>
<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"> 1281</span> }</div>
<div class="line"><a id="l01282" name="l01282"></a><span class="lineno"> 1282</span> </div>
<div class="line"><a id="l01283" name="l01283"></a><span class="lineno"> 1283</span> <span class="keywordflow">switch</span> (remainingIn.signum())</div>
<div class="line"><a id="l01284" name="l01284"></a><span class="lineno"> 1284</span> {</div>
<div class="line"><a id="l01285" name="l01285"></a><span class="lineno"> 1285</span> <span class="keywordflow">case</span> -1: {</div>
<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span> <span class="comment">// something went very wrong</span></div>
<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"> 1287</span> JLOG(j_.<a class="code hl_function" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>())</div>
<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span> &lt;&lt; <span class="stringliteral">&quot;BookStep remainingIn &lt; 0 &quot;</span> &lt;&lt; <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(remainingIn);</div>
<div class="line"><a id="l01289" name="l01289"></a><span class="lineno"> 1289</span> UNREACHABLE(<span class="stringliteral">&quot;ripple::BookStep::fwdImp : remaining less than zero&quot;</span>);</div>
<div class="line"><a id="l01290" name="l01290"></a><span class="lineno"> 1290</span> cache_.emplace(beast::zero, beast::zero);</div>
<div class="line"><a id="l01291" name="l01291"></a><span class="lineno"> 1291</span> <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
<div class="line"><a id="l01292" name="l01292"></a><span class="lineno"> 1292</span> }</div>
<div class="line"><a id="l01293" name="l01293"></a><span class="lineno"> 1293</span> <span class="keywordflow">case</span> 0: {</div>
<div class="line"><a id="l01294" name="l01294"></a><span class="lineno"> 1294</span> <span class="comment">// due to normalization, remainingIn can be zero without</span></div>
<div class="line"><a id="l01295" name="l01295"></a><span class="lineno"> 1295</span> <span class="comment">// result.in == in. Force result.in == in for this case</span></div>
<div class="line"><a id="l01296" name="l01296"></a><span class="lineno"> 1296</span> result.in = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
<div class="line"><a id="l01297" name="l01297"></a><span class="lineno"> 1297</span> }</div>
<div class="line"><a id="l01298" name="l01298"></a><span class="lineno"> 1298</span> }</div>
<div class="line"><a id="l01299" name="l01299"></a><span class="lineno"> 1299</span> </div>
<div class="line"><a id="l01300" name="l01300"></a><span class="lineno"> 1300</span> cache_.emplace(result.in, result.out);</div>
<div class="line"><a id="l01301" name="l01301"></a><span class="lineno"> 1301</span> <span class="keywordflow">return</span> {result.in, result.out};</div>
<div class="line"><a id="l01302" name="l01302"></a><span class="lineno"> 1302</span>}</div>
</div>
<div class="line"><a id="l01303" name="l01303"></a><span class="lineno"> 1303</span> </div>
<div class="line"><a id="l01304" name="l01304"></a><span class="lineno"> 1304</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l01305" name="l01305"></a><span class="lineno"> 1305</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="foldopen01306" data-start="{" data-end="}">
<div class="line"><a id="l01306" name="l01306"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a75e0f046afee8b75774801a2e6ffaae0"> 1306</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#a75e0f046afee8b75774801a2e6ffaae0">BookStep&lt;TIn, TOut, TDerived&gt;::validFwd</a>(</div>
<div class="line"><a id="l01307" name="l01307"></a><span class="lineno"> 1307</span> <a class="code hl_class" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l01308" name="l01308"></a><span class="lineno"> 1308</span> <a class="code hl_class" href="classripple_1_1ApplyView.html">ApplyView</a>&amp; afView,</div>
<div class="line"><a id="l01309" name="l01309"></a><span class="lineno"> 1309</span> <a class="code hl_struct" href="structripple_1_1EitherAmount.html">EitherAmount</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
<div class="line"><a id="l01310" name="l01310"></a><span class="lineno"> 1310</span>{</div>
<div class="line"><a id="l01311" name="l01311"></a><span class="lineno"> 1311</span> <span class="keywordflow">if</span> (!cache_)</div>
<div class="line"><a id="l01312" name="l01312"></a><span class="lineno"> 1312</span> {</div>
<div class="line"><a id="l01313" name="l01313"></a><span class="lineno"> 1313</span> JLOG(j_.<a class="code hl_function" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) &lt;&lt; <span class="stringliteral">&quot;Expected valid cache in validFwd&quot;</span>;</div>
<div class="line"><a id="l01314" name="l01314"></a><span class="lineno"> 1314</span> <span class="keywordflow">return</span> {<span class="keyword">false</span>, <a class="code hl_struct" href="structripple_1_1EitherAmount.html">EitherAmount</a>(TOut(beast::zero))};</div>
<div class="line"><a id="l01315" name="l01315"></a><span class="lineno"> 1315</span> }</div>
<div class="line"><a id="l01316" name="l01316"></a><span class="lineno"> 1316</span> </div>
<div class="line"><a id="l01317" name="l01317"></a><span class="lineno"> 1317</span> <span class="keyword">auto</span> <span class="keyword">const</span> savCache = *cache_;</div>
<div class="line"><a id="l01318" name="l01318"></a><span class="lineno"> 1318</span> </div>
<div class="line"><a id="l01319" name="l01319"></a><span class="lineno"> 1319</span> <span class="keywordflow">try</span></div>
<div class="line"><a id="l01320" name="l01320"></a><span class="lineno"> 1320</span> {</div>
<div class="line"><a id="l01321" name="l01321"></a><span class="lineno"> 1321</span> boost::container::flat_set&lt;uint256&gt; dummy;</div>
<div class="line"><a id="l01322" name="l01322"></a><span class="lineno"> 1322</span> fwdImp(sb, afView, dummy, get&lt;TIn&gt;(<a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)); <span class="comment">// changes cache</span></div>
<div class="line"><a id="l01323" name="l01323"></a><span class="lineno"> 1323</span> }</div>
<div class="line"><a id="l01324" name="l01324"></a><span class="lineno"> 1324</span> <span class="keywordflow">catch</span> (FlowException <span class="keyword">const</span>&amp;)</div>
<div class="line"><a id="l01325" name="l01325"></a><span class="lineno"> 1325</span> {</div>
<div class="line"><a id="l01326" name="l01326"></a><span class="lineno"> 1326</span> <span class="keywordflow">return</span> {<span class="keyword">false</span>, <a class="code hl_struct" href="structripple_1_1EitherAmount.html">EitherAmount</a>(TOut(beast::zero))};</div>
<div class="line"><a id="l01327" name="l01327"></a><span class="lineno"> 1327</span> }</div>
<div class="line"><a id="l01328" name="l01328"></a><span class="lineno"> 1328</span> </div>
<div class="line"><a id="l01329" name="l01329"></a><span class="lineno"> 1329</span> <span class="keywordflow">if</span> (!(<a class="code hl_function" href="namespaceripple.html#a948ed7ae32de8014f0a5f421f36bedc1">checkNear</a>(savCache.in, cache_-&gt;in) &amp;&amp;</div>
<div class="line"><a id="l01330" name="l01330"></a><span class="lineno"> 1330</span> <a class="code hl_function" href="namespaceripple.html#a948ed7ae32de8014f0a5f421f36bedc1">checkNear</a>(savCache.out, cache_-&gt;out)))</div>
<div class="line"><a id="l01331" name="l01331"></a><span class="lineno"> 1331</span> {</div>
<div class="line"><a id="l01332" name="l01332"></a><span class="lineno"> 1332</span> JLOG(j_.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Strand re-execute check failed.&quot;</span></div>
<div class="line"><a id="l01333" name="l01333"></a><span class="lineno"> 1333</span> &lt;&lt; <span class="stringliteral">&quot; ExpectedIn: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(savCache.in)</div>
<div class="line"><a id="l01334" name="l01334"></a><span class="lineno"> 1334</span> &lt;&lt; <span class="stringliteral">&quot; CachedIn: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(cache_-&gt;in)</div>
<div class="line"><a id="l01335" name="l01335"></a><span class="lineno"> 1335</span> &lt;&lt; <span class="stringliteral">&quot; ExpectedOut: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(savCache.out)</div>
<div class="line"><a id="l01336" name="l01336"></a><span class="lineno"> 1336</span> &lt;&lt; <span class="stringliteral">&quot; CachedOut: &quot;</span> &lt;&lt; <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(cache_-&gt;out);</div>
<div class="line"><a id="l01337" name="l01337"></a><span class="lineno"> 1337</span> <span class="keywordflow">return</span> {<span class="keyword">false</span>, <a class="code hl_struct" href="structripple_1_1EitherAmount.html">EitherAmount</a>(cache_-&gt;out)};</div>
<div class="line"><a id="l01338" name="l01338"></a><span class="lineno"> 1338</span> }</div>
<div class="line"><a id="l01339" name="l01339"></a><span class="lineno"> 1339</span> <span class="keywordflow">return</span> {<span class="keyword">true</span>, <a class="code hl_struct" href="structripple_1_1EitherAmount.html">EitherAmount</a>(cache_-&gt;out)};</div>
<div class="line"><a id="l01340" name="l01340"></a><span class="lineno"> 1340</span>}</div>
</div>
<div class="line"><a id="l01341" name="l01341"></a><span class="lineno"> 1341</span> </div>
<div class="line"><a id="l01342" name="l01342"></a><span class="lineno"> 1342</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l01343" name="l01343"></a><span class="lineno"> 1343</span><a class="code hl_class" href="classripple_1_1TERSubset.html">TER</a></div>
<div class="foldopen" id="foldopen01344" data-start="{" data-end="}">
<div class="line"><a id="l01344" name="l01344"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a68b0358a5053e3f81802c1bfaaaef647"> 1344</a></span><a class="code hl_function" href="classripple_1_1BookStep.html#a68b0358a5053e3f81802c1bfaaaef647">BookStep&lt;TIn, TOut, TDerived&gt;::check</a>(<a class="code hl_struct" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx)<span class="keyword"> const</span></div>
<div class="line"><a id="l01345" name="l01345"></a><span class="lineno"> 1345</span><span class="keyword"></span>{</div>
<div class="line"><a id="l01346" name="l01346"></a><span class="lineno"> 1346</span> <span class="keywordflow">if</span> (book_.in == book_.out)</div>
<div class="line"><a id="l01347" name="l01347"></a><span class="lineno"> 1347</span> {</div>
<div class="line"><a id="l01348" name="l01348"></a><span class="lineno"> 1348</span> JLOG(j_.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;BookStep: Book with same in and out issuer &quot;</span></div>
<div class="line"><a id="l01349" name="l01349"></a><span class="lineno"> 1349</span> &lt;&lt; *<span class="keyword">this</span>;</div>
<div class="line"><a id="l01350" name="l01350"></a><span class="lineno"> 1350</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a301b180a711f213c51de73aba9d28de5">temBAD_PATH</a>;</div>
<div class="line"><a id="l01351" name="l01351"></a><span class="lineno"> 1351</span> }</div>
<div class="line"><a id="l01352" name="l01352"></a><span class="lineno"> 1352</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceripple.html#a1842fee89cdf9025217d48514df19b1a">isConsistent</a>(book_.in) || !<a class="code hl_function" href="namespaceripple.html#a1842fee89cdf9025217d48514df19b1a">isConsistent</a>(book_.out))</div>
<div class="line"><a id="l01353" name="l01353"></a><span class="lineno"> 1353</span> {</div>
<div class="line"><a id="l01354" name="l01354"></a><span class="lineno"> 1354</span> JLOG(j_.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;Book: currency is inconsistent with issuer.&quot;</span></div>
<div class="line"><a id="l01355" name="l01355"></a><span class="lineno"> 1355</span> &lt;&lt; *<span class="keyword">this</span>;</div>
<div class="line"><a id="l01356" name="l01356"></a><span class="lineno"> 1356</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a301b180a711f213c51de73aba9d28de5">temBAD_PATH</a>;</div>
<div class="line"><a id="l01357" name="l01357"></a><span class="lineno"> 1357</span> }</div>
<div class="line"><a id="l01358" name="l01358"></a><span class="lineno"> 1358</span> </div>
<div class="line"><a id="l01359" name="l01359"></a><span class="lineno"> 1359</span> <span class="comment">// Do not allow two books to output the same issue. This may cause offers on</span></div>
<div class="line"><a id="l01360" name="l01360"></a><span class="lineno"> 1360</span> <span class="comment">// one step to unfund offers in another step.</span></div>
<div class="line"><a id="l01361" name="l01361"></a><span class="lineno"> 1361</span> <span class="keywordflow">if</span> (!ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a0bef921eb9b057dff6fa57d4bef62025">seenBookOuts</a>.insert(book_.out).second ||</div>
<div class="line"><a id="l01362" name="l01362"></a><span class="lineno"> 1362</span> ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a1f64547d1189ede6fef202ada9dc0f2b">seenDirectIssues</a>[0].count(book_.out))</div>
<div class="line"><a id="l01363" name="l01363"></a><span class="lineno"> 1363</span> {</div>
<div class="line"><a id="l01364" name="l01364"></a><span class="lineno"> 1364</span> JLOG(j_.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;BookStep: loop detected: &quot;</span> &lt;&lt; *<span class="keyword">this</span>;</div>
<div class="line"><a id="l01365" name="l01365"></a><span class="lineno"> 1365</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a12457d1044fb018f478405504184dc79">temBAD_PATH_LOOP</a>;</div>
<div class="line"><a id="l01366" name="l01366"></a><span class="lineno"> 1366</span> }</div>
<div class="line"><a id="l01367" name="l01367"></a><span class="lineno"> 1367</span> </div>
<div class="line"><a id="l01368" name="l01368"></a><span class="lineno"> 1368</span> <span class="keywordflow">if</span> (ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a1f64547d1189ede6fef202ada9dc0f2b">seenDirectIssues</a>[1].count(book_.out))</div>
<div class="line"><a id="l01369" name="l01369"></a><span class="lineno"> 1369</span> {</div>
<div class="line"><a id="l01370" name="l01370"></a><span class="lineno"> 1370</span> JLOG(j_.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;BookStep: loop detected: &quot;</span> &lt;&lt; *<span class="keyword">this</span>;</div>
<div class="line"><a id="l01371" name="l01371"></a><span class="lineno"> 1371</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a12457d1044fb018f478405504184dc79">temBAD_PATH_LOOP</a>;</div>
<div class="line"><a id="l01372" name="l01372"></a><span class="lineno"> 1372</span> }</div>
<div class="line"><a id="l01373" name="l01373"></a><span class="lineno"> 1373</span> </div>
<div class="line"><a id="l01374" name="l01374"></a><span class="lineno"> 1374</span> <span class="keyword">auto</span> issuerExists = [](<a class="code hl_class" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; view, <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; iss) -&gt; <span class="keywordtype">bool</span> {</div>
<div class="line"><a id="l01375" name="l01375"></a><span class="lineno"> 1375</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(iss.account) || view.<a class="code hl_function" href="classripple_1_1ReadView.html#a0583a050ea7799ba331f6222a905f304">read</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#aa756e0f59b26042ed00a4d0ba6e96951">keylet::account</a>(iss.account));</div>
<div class="line"><a id="l01376" name="l01376"></a><span class="lineno"> 1376</span> };</div>
<div class="line"><a id="l01377" name="l01377"></a><span class="lineno"> 1377</span> </div>
<div class="line"><a id="l01378" name="l01378"></a><span class="lineno"> 1378</span> <span class="keywordflow">if</span> (!issuerExists(ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>, book_.in) || !issuerExists(ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>, book_.out))</div>
<div class="line"><a id="l01379" name="l01379"></a><span class="lineno"> 1379</span> {</div>
<div class="line"><a id="l01380" name="l01380"></a><span class="lineno"> 1380</span> JLOG(j_.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;BookStep: deleted issuer detected: &quot;</span> &lt;&lt; *<span class="keyword">this</span>;</div>
<div class="line"><a id="l01381" name="l01381"></a><span class="lineno"> 1381</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#aa298e929e02f59c2b05a30ee8805b38ca33d363e51ee15c8bd4f5d7c4e4518def">tecNO_ISSUER</a>;</div>
<div class="line"><a id="l01382" name="l01382"></a><span class="lineno"> 1382</span> }</div>
<div class="line"><a id="l01383" name="l01383"></a><span class="lineno"> 1383</span> </div>
<div class="line"><a id="l01384" name="l01384"></a><span class="lineno"> 1384</span> <span class="keywordflow">if</span> (ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">prevStep</a>)</div>
<div class="line"><a id="l01385" name="l01385"></a><span class="lineno"> 1385</span> {</div>
<div class="line"><a id="l01386" name="l01386"></a><span class="lineno"> 1386</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> prev = ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">prevStep</a>-&gt;<a class="code hl_function" href="classripple_1_1Step.html#af7cae32307ec25a30fcf5a05407f9e8d">directStepSrcAcct</a>())</div>
<div class="line"><a id="l01387" name="l01387"></a><span class="lineno"> 1387</span> {</div>
<div class="line"><a id="l01388" name="l01388"></a><span class="lineno"> 1388</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; view = ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>;</div>
<div class="line"><a id="l01389" name="l01389"></a><span class="lineno"> 1389</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; cur = book_.in.account;</div>
<div class="line"><a id="l01390" name="l01390"></a><span class="lineno"> 1390</span> </div>
<div class="line"><a id="l01391" name="l01391"></a><span class="lineno"> 1391</span> <span class="keyword">auto</span> sle = view.<a class="code hl_function" href="classripple_1_1ReadView.html#a0583a050ea7799ba331f6222a905f304">read</a>(<a class="code hl_function" href="namespaceripple_1_1keylet.html#a55890af7192834c632299746ba300be8">keylet::line</a>(*prev, cur, book_.in.currency));</div>
<div class="line"><a id="l01392" name="l01392"></a><span class="lineno"> 1392</span> <span class="keywordflow">if</span> (!sle)</div>
<div class="line"><a id="l01393" name="l01393"></a><span class="lineno"> 1393</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162fae9a023686bac48d78ee1d9d7aaa95b5f">terNO_LINE</a>;</div>
<div class="line"><a id="l01394" name="l01394"></a><span class="lineno"> 1394</span> <span class="keywordflow">if</span> ((*sle)[sfFlags] &amp;</div>
<div class="line"><a id="l01395" name="l01395"></a><span class="lineno"> 1395</span> ((cur &gt; *prev) ? <a class="code hl_enumvalue" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a3f3817fa4e1147bc1ea78c56aaf12632">lsfHighNoRipple</a> : <a class="code hl_enumvalue" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a503af0c7122f0c0f33e7ea4b7deee1d3">lsfLowNoRipple</a>))</div>
<div class="line"><a id="l01396" name="l01396"></a><span class="lineno"> 1396</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162faadb84abae8e5aa672e05db5ed3282054">terNO_RIPPLE</a>;</div>
<div class="line"><a id="l01397" name="l01397"></a><span class="lineno"> 1397</span> }</div>
<div class="line"><a id="l01398" name="l01398"></a><span class="lineno"> 1398</span> }</div>
<div class="line"><a id="l01399" name="l01399"></a><span class="lineno"> 1399</span> </div>
<div class="line"><a id="l01400" name="l01400"></a><span class="lineno"> 1400</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>;</div>
<div class="line"><a id="l01401" name="l01401"></a><span class="lineno"> 1401</span>}</div>
</div>
<div class="line"><a id="l01402" name="l01402"></a><span class="lineno"> 1402</span> </div>
<div class="line"><a id="l01403" name="l01403"></a><span class="lineno"> 1403</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l01404" name="l01404"></a><span class="lineno"> 1404</span> </div>
<div class="line"><a id="l01405" name="l01405"></a><span class="lineno"> 1405</span><span class="keyword">namespace </span>test {</div>
<div class="line"><a id="l01406" name="l01406"></a><span class="lineno"> 1406</span><span class="comment">// Needed for testing</span></div>
<div class="line"><a id="l01407" name="l01407"></a><span class="lineno"> 1407</span> </div>
<div class="line"><a id="l01408" name="l01408"></a><span class="lineno"> 1408</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived&gt;</div>
<div class="line"><a id="l01409" name="l01409"></a><span class="lineno"> 1409</span><span class="keyword">static</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen01410" data-start="{" data-end="}">
<div class="line"><a id="l01410" name="l01410"></a><span class="lineno"><a class="line" href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5"> 1410</a></span><a class="code hl_function" href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5">equalHelper</a>(<a class="code hl_class" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>&amp; step, <a class="code hl_class" href="classripple_1_1Book.html">ripple::Book</a> <span class="keyword">const</span>&amp; book)</div>
<div class="line"><a id="l01411" name="l01411"></a><span class="lineno"> 1411</span>{</div>
<div class="line"><a id="l01412" name="l01412"></a><span class="lineno"> 1412</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> bs = <span class="keyword">dynamic_cast&lt;</span><a class="code hl_class" href="classripple_1_1BookStep.html">BookStep&lt;TIn, TOut, TDerived&gt;</a> const*<span class="keyword">&gt;</span>(&amp;step))</div>
<div class="line"><a id="l01413" name="l01413"></a><span class="lineno"> 1413</span> <span class="keywordflow">return</span> book == bs-&gt;book();</div>
<div class="line"><a id="l01414" name="l01414"></a><span class="lineno"> 1414</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l01415" name="l01415"></a><span class="lineno"> 1415</span>}</div>
</div>
<div class="line"><a id="l01416" name="l01416"></a><span class="lineno"> 1416</span> </div>
<div class="line"><a id="l01417" name="l01417"></a><span class="lineno"> 1417</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen01418" data-start="{" data-end="}">
<div class="line"><a id="l01418" name="l01418"></a><span class="lineno"><a class="line" href="namespaceripple_1_1test.html#a77c3eafc5e38b2506f7da7bb3b3f3280"> 1418</a></span><a class="code hl_function" href="namespaceripple_1_1test.html#a77c3eafc5e38b2506f7da7bb3b3f3280">bookStepEqual</a>(<a class="code hl_class" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>&amp; step, <a class="code hl_class" href="classripple_1_1Book.html">ripple::Book</a> <span class="keyword">const</span>&amp; book)</div>
<div class="line"><a id="l01419" name="l01419"></a><span class="lineno"> 1419</span>{</div>
<div class="line"><a id="l01420" name="l01420"></a><span class="lineno"> 1420</span> <span class="keywordtype">bool</span> <span class="keyword">const</span> inXRP = <a class="code hl_function" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(book.<a class="code hl_variable" href="classripple_1_1Book.html#a44f1acfd1d549e7f025f5372fb345f27">in</a>.<a class="code hl_variable" href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">currency</a>);</div>
<div class="line"><a id="l01421" name="l01421"></a><span class="lineno"> 1421</span> <span class="keywordtype">bool</span> <span class="keyword">const</span> outXRP = <a class="code hl_function" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(book.<a class="code hl_variable" href="classripple_1_1Book.html#a6992e8a5da385182ec3ab51a0216281a">out</a>.<a class="code hl_variable" href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">currency</a>);</div>
<div class="line"><a id="l01422" name="l01422"></a><span class="lineno"> 1422</span> <span class="keywordflow">if</span> (inXRP &amp;&amp; outXRP)</div>
<div class="line"><a id="l01423" name="l01423"></a><span class="lineno"> 1423</span> {</div>
<div class="line"><a id="l01424" name="l01424"></a><span class="lineno"> 1424</span> UNREACHABLE(<span class="stringliteral">&quot;ripple::test::bookStepEqual : no XRP to XRP book step&quot;</span>);</div>
<div class="line"><a id="l01425" name="l01425"></a><span class="lineno"> 1425</span> <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// no such thing as xrp/xrp book step</span></div>
<div class="line"><a id="l01426" name="l01426"></a><span class="lineno"> 1426</span> }</div>
<div class="line"><a id="l01427" name="l01427"></a><span class="lineno"> 1427</span> <span class="keywordflow">if</span> (inXRP &amp;&amp; !outXRP)</div>
<div class="line"><a id="l01428" name="l01428"></a><span class="lineno"> 1428</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5">equalHelper</a>&lt;</div>
<div class="line"><a id="l01429" name="l01429"></a><span class="lineno"> 1429</span> <a class="code hl_class" href="classripple_1_1XRPAmount.html">XRPAmount</a>,</div>
<div class="line"><a id="l01430" name="l01430"></a><span class="lineno"> 1430</span> <a class="code hl_class" href="classripple_1_1IOUAmount.html">IOUAmount</a>,</div>
<div class="line"><a id="l01431" name="l01431"></a><span class="lineno"> 1431</span> <a class="code hl_class" href="classripple_1_1BookPaymentStep.html">BookPaymentStep&lt;XRPAmount, IOUAmount&gt;</a>&gt;(step, book);</div>
<div class="line"><a id="l01432" name="l01432"></a><span class="lineno"> 1432</span> <span class="keywordflow">if</span> (!inXRP &amp;&amp; outXRP)</div>
<div class="line"><a id="l01433" name="l01433"></a><span class="lineno"> 1433</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5">equalHelper</a>&lt;</div>
<div class="line"><a id="l01434" name="l01434"></a><span class="lineno"> 1434</span> <a class="code hl_class" href="classripple_1_1IOUAmount.html">IOUAmount</a>,</div>
<div class="line"><a id="l01435" name="l01435"></a><span class="lineno"> 1435</span> <a class="code hl_class" href="classripple_1_1XRPAmount.html">XRPAmount</a>,</div>
<div class="line"><a id="l01436" name="l01436"></a><span class="lineno"> 1436</span> <a class="code hl_class" href="classripple_1_1BookPaymentStep.html">BookPaymentStep&lt;IOUAmount, XRPAmount&gt;</a>&gt;(step, book);</div>
<div class="line"><a id="l01437" name="l01437"></a><span class="lineno"> 1437</span> <span class="keywordflow">if</span> (!inXRP &amp;&amp; !outXRP)</div>
<div class="line"><a id="l01438" name="l01438"></a><span class="lineno"> 1438</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5">equalHelper</a>&lt;</div>
<div class="line"><a id="l01439" name="l01439"></a><span class="lineno"> 1439</span> <a class="code hl_class" href="classripple_1_1IOUAmount.html">IOUAmount</a>,</div>
<div class="line"><a id="l01440" name="l01440"></a><span class="lineno"> 1440</span> <a class="code hl_class" href="classripple_1_1IOUAmount.html">IOUAmount</a>,</div>
<div class="line"><a id="l01441" name="l01441"></a><span class="lineno"> 1441</span> <a class="code hl_class" href="classripple_1_1BookPaymentStep.html">BookPaymentStep&lt;IOUAmount, IOUAmount&gt;</a>&gt;(step, book);</div>
<div class="line"><a id="l01442" name="l01442"></a><span class="lineno"> 1442</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l01443" name="l01443"></a><span class="lineno"> 1443</span>}</div>
</div>
<div class="line"><a id="l01444" name="l01444"></a><span class="lineno"> 1444</span>} <span class="comment">// namespace test</span></div>
<div class="line"><a id="l01445" name="l01445"></a><span class="lineno"> 1445</span> </div>
<div class="line"><a id="l01446" name="l01446"></a><span class="lineno"> 1446</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l01447" name="l01447"></a><span class="lineno"> 1447</span> </div>
<div class="line"><a id="l01448" name="l01448"></a><span class="lineno"> 1448</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut&gt;</div>
<div class="line"><a id="l01449" name="l01449"></a><span class="lineno"> 1449</span><span class="keyword">static</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="foldopen01450" data-start="{" data-end="}">
<div class="line"><a id="l01450" name="l01450"></a><span class="lineno"><a class="line" href="namespaceripple.html#aa91457ff078f37f17e7bc3875d6c1752"> 1450</a></span><a class="code hl_function" href="namespaceripple.html#aa91457ff078f37f17e7bc3875d6c1752">make_BookStepHelper</a>(<a class="code hl_struct" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx, <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>)</div>
<div class="line"><a id="l01451" name="l01451"></a><span class="lineno"> 1451</span>{</div>
<div class="line"><a id="l01452" name="l01452"></a><span class="lineno"> 1452</span> <a class="code hl_class" href="classripple_1_1TERSubset.html">TER</a> ter = <a class="code hl_enumvalue" href="namespaceripple.html#a75cb21d7f1df42f2fdc8efddb79b63f4ad035d214edc31c72362d7efbdaba234c">tefINTERNAL</a>;</div>
<div class="line"><a id="l01453" name="l01453"></a><span class="lineno"> 1453</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="l01454" name="l01454"></a><span class="lineno"> 1454</span> <span class="keywordflow">if</span> (ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a823714e1b46346bde9898caac9c824d2">offerCrossing</a>)</div>
<div class="line"><a id="l01455" name="l01455"></a><span class="lineno"> 1455</span> {</div>
<div class="line"><a id="l01456" name="l01456"></a><span class="lineno"> 1456</span> <span class="keyword">auto</span> offerCrossingStep =</div>
<div class="line"><a id="l01457" name="l01457"></a><span class="lineno"> 1457</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::make_unique&lt;BookOfferCrossingStep&lt;TIn, TOut&gt;</a>&gt;(ctx, <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
<div class="line"><a id="l01458" name="l01458"></a><span class="lineno"> 1458</span> ter = offerCrossingStep-&gt;check(ctx);</div>
<div class="line"><a id="l01459" name="l01459"></a><span class="lineno"> 1459</span> r = std::move(offerCrossingStep);</div>
<div class="line"><a id="l01460" name="l01460"></a><span class="lineno"> 1460</span> }</div>
<div class="line"><a id="l01461" name="l01461"></a><span class="lineno"> 1461</span> <span class="keywordflow">else</span> <span class="comment">// payment</span></div>
<div class="line"><a id="l01462" name="l01462"></a><span class="lineno"> 1462</span> {</div>
<div class="line"><a id="l01463" name="l01463"></a><span class="lineno"> 1463</span> <span class="keyword">auto</span> paymentStep =</div>
<div class="line"><a id="l01464" name="l01464"></a><span class="lineno"> 1464</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::make_unique&lt;BookPaymentStep&lt;TIn, TOut&gt;</a>&gt;(ctx, <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
<div class="line"><a id="l01465" name="l01465"></a><span class="lineno"> 1465</span> ter = paymentStep-&gt;check(ctx);</div>
<div class="line"><a id="l01466" name="l01466"></a><span class="lineno"> 1466</span> r = std::move(paymentStep);</div>
<div class="line"><a id="l01467" name="l01467"></a><span class="lineno"> 1467</span> }</div>
<div class="line"><a id="l01468" name="l01468"></a><span class="lineno"> 1468</span> <span class="keywordflow">if</span> (ter != <a class="code hl_enumvalue" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>)</div>
<div class="line"><a id="l01469" name="l01469"></a><span class="lineno"> 1469</span> <span class="keywordflow">return</span> {ter, <span class="keyword">nullptr</span>};</div>
<div class="line"><a id="l01470" name="l01470"></a><span class="lineno"> 1470</span> </div>
<div class="line"><a id="l01471" name="l01471"></a><span class="lineno"> 1471</span> <span class="keywordflow">return</span> {<a class="code hl_enumvalue" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>, std::move(r)};</div>
<div class="line"><a id="l01472" name="l01472"></a><span class="lineno"> 1472</span>}</div>
</div>
<div class="line"><a id="l01473" name="l01473"></a><span class="lineno"> 1473</span> </div>
<div class="line"><a id="l01474" name="l01474"></a><span class="lineno"> 1474</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="foldopen01475" data-start="{" data-end="}">
<div class="line"><a id="l01475" name="l01475"></a><span class="lineno"><a class="line" href="namespaceripple.html#aac90126f05dbf5927af55dde5bb0933d"> 1475</a></span><a class="code hl_function" href="namespaceripple.html#aac90126f05dbf5927af55dde5bb0933d">make_BookStepII</a>(<a class="code hl_struct" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx, <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>)</div>
<div class="line"><a id="l01476" name="l01476"></a><span class="lineno"> 1476</span>{</div>
<div class="line"><a id="l01477" name="l01477"></a><span class="lineno"> 1477</span> <span class="keywordflow">return</span> make_BookStepHelper&lt;IOUAmount, IOUAmount&gt;(ctx, <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
<div class="line"><a id="l01478" name="l01478"></a><span class="lineno"> 1478</span>}</div>
</div>
<div class="line"><a id="l01479" name="l01479"></a><span class="lineno"> 1479</span> </div>
<div class="line"><a id="l01480" name="l01480"></a><span class="lineno"> 1480</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="foldopen01481" data-start="{" data-end="}">
<div class="line"><a id="l01481" name="l01481"></a><span class="lineno"><a class="line" href="namespaceripple.html#a8ccabfbbb65455ce08cdf7d024b768fe"> 1481</a></span><a class="code hl_function" href="namespaceripple.html#a8ccabfbbb65455ce08cdf7d024b768fe">make_BookStepIX</a>(<a class="code hl_struct" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx, <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
<div class="line"><a id="l01482" name="l01482"></a><span class="lineno"> 1482</span>{</div>
<div class="line"><a id="l01483" name="l01483"></a><span class="lineno"> 1483</span> <span class="keywordflow">return</span> make_BookStepHelper&lt;IOUAmount, XRPAmount&gt;(ctx, <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code hl_function" href="namespaceripple.html#a02be1da6bd3d611ea7a48b208b060b6c">xrpIssue</a>());</div>
<div class="line"><a id="l01484" name="l01484"></a><span class="lineno"> 1484</span>}</div>
</div>
<div class="line"><a id="l01485" name="l01485"></a><span class="lineno"> 1485</span> </div>
<div class="line"><a id="l01486" name="l01486"></a><span class="lineno"> 1486</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="foldopen01487" data-start="{" data-end="}">
<div class="line"><a id="l01487" name="l01487"></a><span class="lineno"><a class="line" href="namespaceripple.html#a7ed8dc85e6410852cc2ea4c6d12b7fdb"> 1487</a></span><a class="code hl_function" href="namespaceripple.html#a7ed8dc85e6410852cc2ea4c6d12b7fdb">make_BookStepXI</a>(<a class="code hl_struct" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&amp; ctx, <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>)</div>
<div class="line"><a id="l01488" name="l01488"></a><span class="lineno"> 1488</span>{</div>
<div class="line"><a id="l01489" name="l01489"></a><span class="lineno"> 1489</span> <span class="keywordflow">return</span> make_BookStepHelper&lt;XRPAmount, IOUAmount&gt;(ctx, <a class="code hl_function" href="namespaceripple.html#a02be1da6bd3d611ea7a48b208b060b6c">xrpIssue</a>(), <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
<div class="line"><a id="l01490" name="l01490"></a><span class="lineno"> 1490</span>}</div>
</div>
<div class="line"><a id="l01491" name="l01491"></a><span class="lineno"> 1491</span> </div>
<div class="line"><a id="l01492" name="l01492"></a><span class="lineno"> 1492</span>} <span class="comment">// namespace ripple</span></div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="ttc" id="aaccumulate_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/accumulate.html">std::accumulate</a></div><div class="ttdeci">T accumulate(T... args)</div></div>
<div class="ttc" id="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#l00059">Journal.h:60</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_a49b0713e65bb8e2c51b76fbf16252afe"><div class="ttname"><a href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">beast::Journal::error</a></div><div class="ttdeci">Stream error() const</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00346">Journal.h:346</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#l00328">Journal.h:328</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#l00322">Journal.h:322</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_ad8fefe3e8ad583e1ed1bf02094ac3d8f"><div class="ttname"><a href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">beast::Journal::warn</a></div><div class="ttdeci">Stream warn() const</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00340">Journal.h:340</a></div></div>
<div class="ttc" id="aclassripple_1_1AMMContext_html_a11a431811d7e91d2615bbe86557b4b06"><div class="ttname"><a href="classripple_1_1AMMContext.html#a11a431811d7e91d2615bbe86557b4b06">ripple::AMMContext::account</a></div><div class="ttdeci">AccountID account() const</div><div class="ttdef"><b>Definition</b> <a href="AMMContext_8h_source.html#l00102">AMMContext.h:102</a></div></div>
<div class="ttc" id="aclassripple_1_1AMMOffer_html"><div class="ttname"><a href="classripple_1_1AMMOffer.html">ripple::AMMOffer</a></div><div class="ttdoc">Represents synthetic AMM offer in BookStep.</div><div class="ttdef"><b>Definition</b> <a href="AMMOffer_8h_source.html#l00039">AMMOffer.h:40</a></div></div>
<div class="ttc" id="aclassripple_1_1AMMOffer_html_a486876093ae0534c3b2f6e0de734822f"><div class="ttname"><a href="classripple_1_1AMMOffer.html#a486876093ae0534c3b2f6e0de734822f">ripple::AMMOffer::quality</a></div><div class="ttdeci">Quality quality() const noexcept</div><div class="ttdef"><b>Definition</b> <a href="AMMOffer_8h_source.html#l00069">AMMOffer.h:69</a></div></div>
<div class="ttc" id="aclassripple_1_1ApplyView_html"><div class="ttname"><a href="classripple_1_1ApplyView.html">ripple::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#l00142">ApplyView.h:143</a></div></div>
<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html">ripple::BookOfferCrossingStep</a></div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00370">BookStep.cpp:372</a></div></div>
<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a008a3593d12873d938df6c585e020748"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a008a3593d12873d938df6c585e020748">ripple::BookOfferCrossingStep::getOfrInRate</a></div><div class="ttdeci">std::uint32_t getOfrInRate(Step const *prevStep, AccountID const &amp;owner, std::uint32_t trIn) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00491">BookStep.cpp:491</a></div></div>
<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a0c5d11e67ca87b8c7ca8c57746d99cbd"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a0c5d11e67ca87b8c7ca8c57746d99cbd">ripple::BookOfferCrossingStep::getQuality</a></div><div class="ttdeci">static Quality getQuality(std::optional&lt; Quality &gt; const &amp;limitQuality)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00382">BookStep.cpp:382</a></div></div>
<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a0e77f31ed38237773634e5dc858528ef"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a0e77f31ed38237773634e5dc858528ef">ripple::BookOfferCrossingStep::BookOfferCrossingStep</a></div><div class="ttdeci">BookOfferCrossingStep(StrandContext const &amp;ctx, Issue const &amp;in, Issue const &amp;out)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00394">BookStep.cpp:394</a></div></div>
<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a242b7d3e07bbc7dad2ee0664472c261b"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a242b7d3e07bbc7dad2ee0664472c261b">ripple::BookOfferCrossingStep::checkQualityThreshold</a></div><div class="ttdeci">bool checkQualityThreshold(Quality const &amp;quality) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00464">BookStep.cpp:464</a></div></div>
<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a3ee9a446068fd6570a4a9b5a34879fb7"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a3ee9a446068fd6570a4a9b5a34879fb7">ripple::BookOfferCrossingStep::defaultPath_</a></div><div class="ttdeci">bool const defaultPath_</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00567">BookStep.cpp:567</a></div></div>
<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a44f67791a0ab19c59c65fc086292b8ab"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a44f67791a0ab19c59c65fc086292b8ab">ripple::BookOfferCrossingStep::logString</a></div><div class="ttdeci">std::string logString() const override</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00561">BookStep.cpp:561</a></div></div>
<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a4df89c73ea59df4d31de694135d7b303"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a4df89c73ea59df4d31de694135d7b303">ripple::BookOfferCrossingStep::getOfrOutRate</a></div><div class="ttdeci">std::uint32_t getOfrOutRate(Step const *prevStep, AccountID const &amp;owner, AccountID const &amp;strandDst, std::uint32_t trOut) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00506">BookStep.cpp:506</a></div></div>
<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_aa37d2f7c09a0adca9513c943664e9254"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#aa37d2f7c09a0adca9513c943664e9254">ripple::BookOfferCrossingStep::limitSelfCrossQuality</a></div><div class="ttdeci">bool limitSelfCrossQuality(AccountID const &amp;strandSrc, AccountID const &amp;strandDst, Offer&lt; TIn, TOut &gt; const &amp;offer, std::optional&lt; Quality &gt; &amp;ofrQ, FlowOfferStream&lt; TIn, TOut &gt; &amp;offers, bool const offerAttempted) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00406">BookStep.cpp:406</a></div></div>
<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_aac32b8bb4caf8afce4b0e0398fc25ed7"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#aac32b8bb4caf8afce4b0e0398fc25ed7">ripple::BookOfferCrossingStep::qualityThreshold_</a></div><div class="ttdeci">Quality const qualityThreshold_</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00568">BookStep.cpp:568</a></div></div>
<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_af9386ed665aa6773818fa61026f889f3"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#af9386ed665aa6773818fa61026f889f3">ripple::BookOfferCrossingStep::qualityThreshold</a></div><div class="ttdeci">std::optional&lt; Quality &gt; qualityThreshold(Quality const &amp;lobQuality) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00480">BookStep.cpp:480</a></div></div>
<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_af9938374a1bc7c55572a2b5ec2a2e288"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#af9938374a1bc7c55572a2b5ec2a2e288">ripple::BookOfferCrossingStep::adjustQualityWithFees</a></div><div class="ttdeci">Quality adjustQualityWithFees(ReadView const &amp;v, Quality const &amp;ofrQ, DebtDirection prevStepDir, WaiveTransferFee waiveFee, OfferType offerType, Rules const &amp;rules) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00520">BookStep.cpp:520</a></div></div>
<div class="ttc" id="aclassripple_1_1BookPaymentStep_html"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html">ripple::BookPaymentStep</a></div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00272">BookStep.cpp:273</a></div></div>
<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_a41697bafb9aea4aee6267fe339f2ee3e"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#a41697bafb9aea4aee6267fe339f2ee3e">ripple::BookPaymentStep::limitSelfCrossQuality</a></div><div class="ttdeci">bool limitSelfCrossQuality(AccountID const &amp;, AccountID const &amp;, Offer&lt; TIn, TOut &gt; const &amp;offer, std::optional&lt; Quality &gt; &amp;, FlowOfferStream&lt; TIn, TOut &gt; &amp;, bool) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00284">BookStep.cpp:284</a></div></div>
<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_a66a0d125959f0951f20dd938dbe199c9"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#a66a0d125959f0951f20dd938dbe199c9">ripple::BookPaymentStep::adjustQualityWithFees</a></div><div class="ttdeci">Quality adjustQualityWithFees(ReadView const &amp;v, Quality const &amp;ofrQ, DebtDirection prevStepDir, WaiveTransferFee waiveFee, OfferType, Rules const &amp;) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00329">BookStep.cpp:329</a></div></div>
<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_a6c79f1f839daa249453fe08b69515529"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#a6c79f1f839daa249453fe08b69515529">ripple::BookPaymentStep::getOfrOutRate</a></div><div class="ttdeci">std::uint32_t getOfrOutRate(Step const *, AccountID const &amp;, AccountID const &amp;, std::uint32_t trOut) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00319">BookStep.cpp:319</a></div></div>
<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_a6f159804765a2fa59a593366d179e51d"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#a6f159804765a2fa59a593366d179e51d">ripple::BookPaymentStep::BookPaymentStep</a></div><div class="ttdeci">BookPaymentStep()=default</div></div>
<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_a8d3b083bf09ce596436ebf6156f7a43c"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#a8d3b083bf09ce596436ebf6156f7a43c">ripple::BookPaymentStep::getOfrInRate</a></div><div class="ttdeci">std::uint32_t getOfrInRate(Step const *, AccountID const &amp;, std::uint32_t trIn) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00312">BookStep.cpp:312</a></div></div>
<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_a95e592a00a3d85c05324d340292ff07a"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#a95e592a00a3d85c05324d340292ff07a">ripple::BookPaymentStep::checkQualityThreshold</a></div><div class="ttdeci">bool checkQualityThreshold(Quality const &amp;quality) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00297">BookStep.cpp:297</a></div></div>
<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_acbb2a0f185de4c5fc0258c7f37dc6c9f"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#acbb2a0f185de4c5fc0258c7f37dc6c9f">ripple::BookPaymentStep::qualityThreshold</a></div><div class="ttdeci">std::optional&lt; Quality &gt; qualityThreshold(Quality const &amp;lobQuality) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00305">BookStep.cpp:305</a></div></div>
<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_af3e9a302e1861861117aec346a5c83e0"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#af3e9a302e1861861117aec346a5c83e0">ripple::BookPaymentStep::logString</a></div><div class="ttdeci">std::string logString() const override</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00362">BookStep.cpp:362</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html"><div class="ttname"><a href="classripple_1_1BookStep.html">ripple::BookStep</a></div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00045">BookStep.cpp:46</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a0be75bff9e2108181febecf4e7a2c3d3"><div class="ttname"><a href="classripple_1_1BookStep.html#a0be75bff9e2108181febecf4e7a2c3d3">ripple::BookStep::getAMMOffer</a></div><div class="ttdeci">std::optional&lt; AMMOffer&lt; TIn, TOut &gt; &gt; getAMMOffer(ReadView const &amp;view, std::optional&lt; Quality &gt; const &amp;clobQuality) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00927">BookStep.cpp:927</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a0c97112fdc6d159607fa01683d1dd8ca"><div class="ttname"><a href="classripple_1_1BookStep.html#a0c97112fdc6d159607fa01683d1dd8ca">ripple::BookStep::ammLiquidity_</a></div><div class="ttdeci">std::optional&lt; AMMLiquidity&lt; TIn, TOut &gt; &gt; ammLiquidity_</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00070">BookStep.cpp:70</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a1b410d353a7b9ef4829b8bd951aa4cd3"><div class="ttname"><a href="classripple_1_1BookStep.html#a1b410d353a7b9ef4829b8bd951aa4cd3">ripple::BookStep::operator==</a></div><div class="ttdeci">friend bool operator==(BookStep const &amp;lhs, BookStep const &amp;rhs)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00203">BookStep.cpp:203</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a2361abd05389001f3c40e19fa667b289"><div class="ttname"><a href="classripple_1_1BookStep.html#a2361abd05389001f3c40e19fa667b289">ripple::BookStep::offersUsed</a></div><div class="ttdeci">std::uint32_t offersUsed() const override</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00652">BookStep.cpp:652</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a28e44f961f51278bfd3e4ea91206d024"><div class="ttname"><a href="classripple_1_1BookStep.html#a28e44f961f51278bfd3e4ea91206d024">ripple::BookStep::bookStepBook</a></div><div class="ttdeci">std::optional&lt; Book &gt; bookStepBook() const override</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00145">BookStep.cpp:145</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a299b70f6c07de70b1bea38dda9200882"><div class="ttname"><a href="classripple_1_1BookStep.html#a299b70f6c07de70b1bea38dda9200882">ripple::BookStep::offersUsed_</a></div><div class="ttdeci">std::uint32_t offersUsed_</div><div class="ttdoc">Number of offers consumed or partially consumed the last time the step ran, including expired and unf...</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00066">BookStep.cpp:66</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a3b3b00a94aa2a8c77120567e76c7b56f"><div class="ttname"><a href="classripple_1_1BookStep.html#a3b3b00a94aa2a8c77120567e76c7b56f">ripple::BookStep::cachedOut</a></div><div class="ttdeci">std::optional&lt; EitherAmount &gt; cachedOut() const override</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00130">BookStep.cpp:130</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a3ba27fef28ff0493604de5d9cbb835b6"><div class="ttname"><a href="classripple_1_1BookStep.html#a3ba27fef28ff0493604de5d9cbb835b6">ripple::BookStep::tipOfferQuality</a></div><div class="ttdeci">std::optional&lt; std::pair&lt; Quality, OfferType &gt; &gt; tipOfferQuality(ReadView const &amp;view) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00978">BookStep.cpp:978</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a3de148b04c2f04ef3f46a569f8d63d0b"><div class="ttname"><a href="classripple_1_1BookStep.html#a3de148b04c2f04ef3f46a569f8d63d0b">ripple::BookStep::OfferType</a></div><div class="ttdeci">OfferType</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00048">BookStep.cpp:48</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a3de148b04c2f04ef3f46a569f8d63d0baad7a3bfadd59ca663ebce3c36215db0d"><div class="ttname"><a href="classripple_1_1BookStep.html#a3de148b04c2f04ef3f46a569f8d63d0baad7a3bfadd59ca663ebce3c36215db0d">ripple::BookStep::OfferType::CLOB</a></div><div class="ttdeci">@ CLOB</div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a3de148b04c2f04ef3f46a569f8d63d0babd09c58ee620c0fdf33d2cdeb88eaaee"><div class="ttname"><a href="classripple_1_1BookStep.html#a3de148b04c2f04ef3f46a569f8d63d0babd09c58ee620c0fdf33d2cdeb88eaaee">ripple::BookStep::OfferType::AMM</a></div><div class="ttdeci">@ AMM</div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a4bc1a7ac0a842e8774fb66ed15c87e23"><div class="ttname"><a href="classripple_1_1BookStep.html#a4bc1a7ac0a842e8774fb66ed15c87e23">ripple::BookStep::consumeOffer</a></div><div class="ttdeci">void consumeOffer(PaymentSandbox &amp;sb, Offer&lt; TIn, TOut &gt; &amp;offer, TAmounts&lt; TIn, TOut &gt; const &amp;ofrAmt, TAmounts&lt; TIn, TOut &gt; const &amp;stepAmt, TOut const &amp;ownerGives) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00878">BookStep.cpp:878</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a64ff23a3b09a6f5c4a1f8a25d0a5f1b7"><div class="ttname"><a href="classripple_1_1BookStep.html#a64ff23a3b09a6f5c4a1f8a25d0a5f1b7">ripple::BookStep::getQualityFunc</a></div><div class="ttdeci">std::pair&lt; std::optional&lt; QualityFunction &gt;, DebtDirection &gt; getQualityFunc(ReadView const &amp;v, DebtDirection prevStepDir) const override</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00610">BookStep.cpp:610</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a68b0358a5053e3f81802c1bfaaaef647"><div class="ttname"><a href="classripple_1_1BookStep.html#a68b0358a5053e3f81802c1bfaaaef647">ripple::BookStep::check</a></div><div class="ttdeci">TER check(StrandContext const &amp;ctx) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l01344">BookStep.cpp:1344</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a7342a15a2176a19d7bfa38396915381c"><div class="ttname"><a href="classripple_1_1BookStep.html#a7342a15a2176a19d7bfa38396915381c">ripple::BookStep::forEachOffer</a></div><div class="ttdeci">std::pair&lt; boost::container::flat_set&lt; uint256 &gt;, std::uint32_t &gt; forEachOffer(PaymentSandbox &amp;sb, ApplyView &amp;afView, DebtDirection prevStepDebtDir, Callback &amp;callback) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00717">BookStep.cpp:717</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a75e0f046afee8b75774801a2e6ffaae0"><div class="ttname"><a href="classripple_1_1BookStep.html#a75e0f046afee8b75774801a2e6ffaae0">ripple::BookStep::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="BookStep_8cpp_source.html#l01306">BookStep.cpp:1306</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a76b5db24ec96d9a2079e4122b233d97e"><div class="ttname"><a href="classripple_1_1BookStep.html#a76b5db24ec96d9a2079e4122b233d97e">ripple::BookStep::book</a></div><div class="ttdeci">Book const &amp; book() const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00116">BookStep.cpp:116</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a7ac0cec5c0c1b757d5e95633b789b8bd"><div class="ttname"><a href="classripple_1_1BookStep.html#a7ac0cec5c0c1b757d5e95633b789b8bd">ripple::BookStep::cachedIn</a></div><div class="ttdeci">std::optional&lt; EitherAmount &gt; cachedIn() const override</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00122">BookStep.cpp:122</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a925c57512ede5d203352ce86ae740818"><div class="ttname"><a href="classripple_1_1BookStep.html#a925c57512ede5d203352ce86ae740818">ripple::BookStep::maxOffersToConsume_</a></div><div class="ttdeci">uint32_t const maxOffersToConsume_</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00050">BookStep.cpp:50</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_a9960216d74d520047bacde5598dac46a"><div class="ttname"><a href="classripple_1_1BookStep.html#a9960216d74d520047bacde5598dac46a">ripple::BookStep::equal</a></div><div class="ttdeci">bool equal(Step const &amp;rhs) const override</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00575">BookStep.cpp:575</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_aa10ac9ca8fbb6813d60be0c7b605698e"><div class="ttname"><a href="classripple_1_1BookStep.html#aa10ac9ca8fbb6813d60be0c7b605698e">ripple::BookStep::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="BookStep_8cpp_source.html#l00138">BookStep.cpp:138</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_aa2b69d5c94b1303c7554eadcb0a4b759"><div class="ttname"><a href="classripple_1_1BookStep.html#aa2b69d5c94b1303c7554eadcb0a4b759">ripple::BookStep::revImp</a></div><div class="ttdeci">std::pair&lt; TIn, TOut &gt; revImp(PaymentSandbox &amp;sb, ApplyView &amp;afView, boost::container::flat_set&lt; uint256 &gt; &amp;ofrsToRm, TOut const &amp;out)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l01014">BookStep.cpp:1014</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_aa509ba8767d485dba40e339b745c5558"><div class="ttname"><a href="classripple_1_1BookStep.html#aa509ba8767d485dba40e339b745c5558">ripple::BookStep::prevStep_</a></div><div class="ttdeci">Step const *const prevStep_</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00055">BookStep.cpp:55</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_aa870ebc3315d3fc49d4b52c5b58fd400"><div class="ttname"><a href="classripple_1_1BookStep.html#aa870ebc3315d3fc49d4b52c5b58fd400">ripple::BookStep::operator!=</a></div><div class="ttdeci">friend bool operator!=(BookStep const &amp;lhs, BookStep const &amp;rhs)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00209">BookStep.cpp:209</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_ab16dcf7219babffcc905cc5d331aa118"><div class="ttname"><a href="classripple_1_1BookStep.html#ab16dcf7219babffcc905cc5d331aa118">ripple::BookStep::logStringImpl</a></div><div class="ttdeci">std::string logStringImpl(char const *name) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00190">BookStep.cpp:190</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_ab23316f1d5eeccb27abb43e2300134f0"><div class="ttname"><a href="classripple_1_1BookStep.html#ab23316f1d5eeccb27abb43e2300134f0">ripple::BookStep::BookStep</a></div><div class="ttdeci">BookStep(StrandContext const &amp;ctx, Issue const &amp;in, Issue const &amp;out)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00094">BookStep.cpp:94</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_ac360725d48ffbe2a589ae0f4ca23c569"><div class="ttname"><a href="classripple_1_1BookStep.html#ac360725d48ffbe2a589ae0f4ca23c569">ripple::BookStep::fwdImp</a></div><div class="ttdeci">std::pair&lt; TIn, TOut &gt; fwdImp(PaymentSandbox &amp;sb, ApplyView &amp;afView, boost::container::flat_set&lt; uint256 &gt; &amp;ofrsToRm, TIn const &amp;in)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l01135">BookStep.cpp:1135</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_ac8507d9769d13f97315a955f6c15d233"><div class="ttname"><a href="classripple_1_1BookStep.html#ac8507d9769d13f97315a955f6c15d233">ripple::BookStep::tipOfferQualityF</a></div><div class="ttdeci">std::optional&lt; QualityFunction &gt; tipOfferQualityF(ReadView const &amp;view) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00992">BookStep.cpp:992</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_aca9d4f2a380bfab569355b12fbbab6ee"><div class="ttname"><a href="classripple_1_1BookStep.html#aca9d4f2a380bfab569355b12fbbab6ee">ripple::BookStep::strandDst_</a></div><div class="ttdeci">AccountID strandDst_</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00053">BookStep.cpp:53</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_ace12c7abd57b6509bed56198d087ac36"><div class="ttname"><a href="classripple_1_1BookStep.html#ace12c7abd57b6509bed56198d087ac36">ripple::BookStep::inactive</a></div><div class="ttdeci">bool inactive() const override</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00183">BookStep.cpp:183</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_adc5b4e33834322d5f72e4269c5e9e99e"><div class="ttname"><a href="classripple_1_1BookStep.html#adc5b4e33834322d5f72e4269c5e9e99e">ripple::BookStep::getMaxOffersToConsume</a></div><div class="ttdeci">static uint32_t getMaxOffersToConsume(StrandContext const &amp;ctx)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00086">BookStep.cpp:86</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_ade71b95b59a9aed89dc9a1858c64828e"><div class="ttname"><a href="classripple_1_1BookStep.html#ade71b95b59a9aed89dc9a1858c64828e">ripple::BookStep::tip</a></div><div class="ttdeci">std::optional&lt; std::variant&lt; Quality, AMMOffer&lt; TIn, TOut &gt; &gt; &gt; tip(ReadView const &amp;view) const</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00938">BookStep.cpp:938</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_ae1c9905d2af71cf8b6695ad869685c36"><div class="ttname"><a href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">ripple::BookStep::book_</a></div><div class="ttdeci">Book book_</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00051">BookStep.cpp:51</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_ae34588a45abed1c1eeb250976ad360c5"><div class="ttname"><a href="classripple_1_1BookStep.html#ae34588a45abed1c1eeb250976ad360c5">ripple::BookStep::qualityUpperBound</a></div><div class="ttdeci">std::pair&lt; std::optional&lt; Quality &gt;, DebtDirection &gt; qualityUpperBound(ReadView const &amp;v, DebtDirection prevStepDir) const override</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00584">BookStep.cpp:584</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_ae94d993f7db69ca6aaa4517b02292ec0"><div class="ttname"><a href="classripple_1_1BookStep.html#ae94d993f7db69ca6aaa4517b02292ec0">ripple::BookStep::inactive_</a></div><div class="ttdeci">bool inactive_</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00058">BookStep.cpp:58</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_aea2831bee7a5772916195fa1489cb09c"><div class="ttname"><a href="classripple_1_1BookStep.html#aea2831bee7a5772916195fa1489cb09c">ripple::BookStep::ownerPaysTransferFee_</a></div><div class="ttdeci">bool const ownerPaysTransferFee_</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00056">BookStep.cpp:56</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_af1c9df4f070826ec65ea8cb4760f436a"><div class="ttname"><a href="classripple_1_1BookStep.html#af1c9df4f070826ec65ea8cb4760f436a">ripple::BookStep::j_</a></div><div class="ttdeci">beast::Journal const j_</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00071">BookStep.cpp:71</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_afc3ab79671a0301e2679b9929ae80640"><div class="ttname"><a href="classripple_1_1BookStep.html#afc3ab79671a0301e2679b9929ae80640">ripple::BookStep::cache_</a></div><div class="ttdeci">std::optional&lt; Cache &gt; cache_</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00083">BookStep.cpp:83</a></div></div>
<div class="ttc" id="aclassripple_1_1BookStep_html_afcfc11f791a68e736bda624503a8496d"><div class="ttname"><a href="classripple_1_1BookStep.html#afcfc11f791a68e736bda624503a8496d">ripple::BookStep::strandSrc_</a></div><div class="ttdeci">AccountID strandSrc_</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00052">BookStep.cpp:52</a></div></div>
<div class="ttc" id="aclassripple_1_1BookTip_html"><div class="ttname"><a href="classripple_1_1BookTip.html">ripple::BookTip</a></div><div class="ttdoc">Iterates and consumes raw offers in an order book.</div><div class="ttdef"><b>Definition</b> <a href="BookTip_8h_source.html#l00035">BookTip.h:36</a></div></div>
<div class="ttc" id="aclassripple_1_1BookTip_html_a397775ff95cf391a6cdc71bf0bfd1082"><div class="ttname"><a href="classripple_1_1BookTip.html#a397775ff95cf391a6cdc71bf0bfd1082">ripple::BookTip::step</a></div><div class="ttdeci">bool step(beast::Journal j)</div><div class="ttdoc">Erases the current offer and advance to the next offer.</div><div class="ttdef"><b>Definition</b> <a href="BookTip_8cpp_source.html#l00033">BookTip.cpp:33</a></div></div>
<div class="ttc" id="aclassripple_1_1BookTip_html_aa2497a327f1ff60a6c9cb43f1f55afa4"><div class="ttname"><a href="classripple_1_1BookTip.html#aa2497a327f1ff60a6c9cb43f1f55afa4">ripple::BookTip::quality</a></div><div class="ttdeci">Quality const &amp; quality() const noexcept</div><div class="ttdef"><b>Definition</b> <a href="BookTip_8h_source.html#l00064">BookTip.h:64</a></div></div>
<div class="ttc" id="aclassripple_1_1Book_html"><div class="ttname"><a href="classripple_1_1Book.html">ripple::Book</a></div><div class="ttdoc">Specifies an order book.</div><div class="ttdef"><b>Definition</b> <a href="Book_8h_source.html#l00035">Book.h:36</a></div></div>
<div class="ttc" id="aclassripple_1_1Book_html_a44f1acfd1d549e7f025f5372fb345f27"><div class="ttname"><a href="classripple_1_1Book.html#a44f1acfd1d549e7f025f5372fb345f27">ripple::Book::in</a></div><div class="ttdeci">Issue in</div><div class="ttdef"><b>Definition</b> <a href="Book_8h_source.html#l00038">Book.h:38</a></div></div>
<div class="ttc" id="aclassripple_1_1Book_html_a6992e8a5da385182ec3ab51a0216281a"><div class="ttname"><a href="classripple_1_1Book.html#a6992e8a5da385182ec3ab51a0216281a">ripple::Book::out</a></div><div class="ttdeci">Issue out</div><div class="ttdef"><b>Definition</b> <a href="Book_8h_source.html#l00039">Book.h:39</a></div></div>
<div class="ttc" id="aclassripple_1_1FlowOfferStream_html"><div class="ttname"><a href="classripple_1_1FlowOfferStream.html">ripple::FlowOfferStream</a></div><div class="ttdoc">Presents and consumes the offers in an order book.</div><div class="ttdef"><b>Definition</b> <a href="OfferStream_8h_source.html#l00175">OfferStream.h:176</a></div></div>
<div class="ttc" id="aclassripple_1_1IOUAmount_html"><div class="ttname"><a href="classripple_1_1IOUAmount.html">ripple::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#l00044">IOUAmount.h:46</a></div></div>
<div class="ttc" id="aclassripple_1_1Issue_html"><div class="ttname"><a href="classripple_1_1Issue.html">ripple::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#l00032">Issue.h:33</a></div></div>
<div class="ttc" id="aclassripple_1_1Issue_html_a46e4805870b1bad6a8691bed0b8acec8"><div class="ttname"><a href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">ripple::Issue::account</a></div><div class="ttdeci">AccountID account</div><div class="ttdef"><b>Definition</b> <a href="Issue_8h_source.html#l00036">Issue.h:36</a></div></div>
<div class="ttc" id="aclassripple_1_1Issue_html_a4b723aa4198e4c630e41de06586e2fe7"><div class="ttname"><a href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">ripple::Issue::currency</a></div><div class="ttdeci">Currency currency</div><div class="ttdef"><b>Definition</b> <a href="Issue_8h_source.html#l00035">Issue.h:35</a></div></div>
<div class="ttc" id="aclassripple_1_1PaymentSandbox_html"><div class="ttname"><a href="classripple_1_1PaymentSandbox.html">ripple::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#l00112">PaymentSandbox.h:113</a></div></div>
<div class="ttc" id="aclassripple_1_1QualityFunction_html"><div class="ttname"><a href="classripple_1_1QualityFunction.html">ripple::QualityFunction</a></div><div class="ttdoc">Average quality of a path as a function of out: q(out) = m * out + b, where m = -1 / poolGets,...</div><div class="ttdef"><b>Definition</b> <a href="QualityFunction_8h_source.html#l00039">QualityFunction.h:40</a></div></div>
<div class="ttc" id="aclassripple_1_1ReadView_html"><div class="ttname"><a href="classripple_1_1ReadView.html">ripple::ReadView</a></div><div class="ttdoc">A view into a ledger.</div><div class="ttdef"><b>Definition</b> <a href="ReadView_8h_source.html#l00050">ReadView.h:51</a></div></div>
<div class="ttc" id="aclassripple_1_1ReadView_html_a0583a050ea7799ba331f6222a905f304"><div class="ttname"><a href="classripple_1_1ReadView.html#a0583a050ea7799ba331f6222a905f304">ripple::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="aclassripple_1_1ReadView_html_a1427aa6cbbda99c50b9ca0ebf6e0d0b3"><div class="ttname"><a href="classripple_1_1ReadView.html#a1427aa6cbbda99c50b9ca0ebf6e0d0b3">ripple::ReadView::parentCloseTime</a></div><div class="ttdeci">NetClock::time_point parentCloseTime() const</div><div class="ttdoc">Returns the close time of the previous ledger.</div><div class="ttdef"><b>Definition</b> <a href="ReadView_8h_source.html#l00111">ReadView.h:111</a></div></div>
<div class="ttc" id="aclassripple_1_1ReadView_html_aceb3d74acaae18b238022337e5f250ce"><div class="ttname"><a href="classripple_1_1ReadView.html#aceb3d74acaae18b238022337e5f250ce">ripple::ReadView::rules</a></div><div class="ttdeci">virtual Rules const &amp; rules() const =0</div><div class="ttdoc">Returns the tx processing rules.</div></div>
<div class="ttc" id="aclassripple_1_1Rules_html"><div class="ttname"><a href="classripple_1_1Rules.html">ripple::Rules</a></div><div class="ttdoc">Rules controlling protocol behavior.</div><div class="ttdef"><b>Definition</b> <a href="Rules_8h_source.html#l00037">Rules.h:38</a></div></div>
<div class="ttc" id="aclassripple_1_1Rules_html_a1a8388a2b9588aa9446ece92a88e0dd2"><div class="ttname"><a href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">ripple::Rules::enabled</a></div><div class="ttdeci">bool enabled(uint256 const &amp;feature) const</div><div class="ttdoc">Returns true if a feature is enabled.</div><div class="ttdef"><b>Definition</b> <a href="Rules_8cpp_source.html#l00130">Rules.cpp:130</a></div></div>
<div class="ttc" id="aclassripple_1_1STAmount_html"><div class="ttname"><a href="classripple_1_1STAmount.html">ripple::STAmount</a></div><div class="ttdef"><b>Definition</b> <a href="STAmount_8h_source.html#l00049">STAmount.h:50</a></div></div>
<div class="ttc" id="aclassripple_1_1STAmount_html_afcd276e76921eac7cb0aa914bf434f9a"><div class="ttname"><a href="classripple_1_1STAmount.html#afcd276e76921eac7cb0aa914bf434f9a">ripple::STAmount::uRateOne</a></div><div class="ttdeci">static std::uint64_t const uRateOne</div><div class="ttdef"><b>Definition</b> <a href="STAmount_8h_source.html#l00080">STAmount.h:80</a></div></div>
<div class="ttc" id="aclassripple_1_1Sandbox_html"><div class="ttname"><a href="classripple_1_1Sandbox.html">ripple::Sandbox</a></div><div class="ttdoc">Discardable, editable view to a ledger.</div><div class="ttdef"><b>Definition</b> <a href="Sandbox_8h_source.html#l00034">Sandbox.h:35</a></div></div>
<div class="ttc" id="aclassripple_1_1Step_html"><div class="ttname"><a href="classripple_1_1Step.html">ripple::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#l00085">Steps.h:86</a></div></div>
<div class="ttc" id="aclassripple_1_1Step_html_a9d080cfd47f863e9217fb91d25783e23"><div class="ttname"><a href="classripple_1_1Step.html#a9d080cfd47f863e9217fb91d25783e23">ripple::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#l00224">Steps.h:224</a></div></div>
<div class="ttc" id="aclassripple_1_1Step_html_af7cae32307ec25a30fcf5a05407f9e8d"><div class="ttname"><a href="classripple_1_1Step.html#af7cae32307ec25a30fcf5a05407f9e8d">ripple::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#l00145">Steps.h:145</a></div></div>
<div class="ttc" id="aclassripple_1_1TERSubset_html"><div class="ttname"><a href="classripple_1_1TERSubset.html">ripple::TERSubset&lt; CanCvtToTER &gt;</a></div></div>
<div class="ttc" id="aclassripple_1_1TOfferStreamBase_1_1StepCounter_html"><div class="ttname"><a href="classripple_1_1TOfferStreamBase_1_1StepCounter.html">ripple::TOfferStreamBase::StepCounter</a></div><div class="ttdef"><b>Definition</b> <a href="OfferStream_8h_source.html#l00039">OfferStream.h:40</a></div></div>
<div class="ttc" id="aclassripple_1_1TOfferStreamBase_1_1StepCounter_html_afa54b3e228261c77bd99b202aeca92bc"><div class="ttname"><a href="classripple_1_1TOfferStreamBase_1_1StepCounter.html#afa54b3e228261c77bd99b202aeca92bc">ripple::TOfferStreamBase::StepCounter::count</a></div><div class="ttdeci">std::uint32_t count() const</div><div class="ttdef"><b>Definition</b> <a href="OfferStream_8h_source.html#l00064">OfferStream.h:64</a></div></div>
<div class="ttc" id="aclassripple_1_1TOffer_html"><div class="ttname"><a href="classripple_1_1TOffer.html">ripple::TOffer</a></div><div class="ttdef"><b>Definition</b> <a href="Offer_8h_source.html#l00051">Offer.h:52</a></div></div>
<div class="ttc" id="aclassripple_1_1XRPAmount_html"><div class="ttname"><a href="classripple_1_1XRPAmount.html">ripple::XRPAmount</a></div><div class="ttdef"><b>Definition</b> <a href="XRPAmount_8h_source.html#l00039">XRPAmount.h:43</a></div></div>
<div class="ttc" id="aclassripple_1_1base__uint_html"><div class="ttname"><a href="classripple_1_1base__uint.html">ripple::base_uint&lt; 160, detail::AccountIDTag &gt;</a></div></div>
<div class="ttc" id="aclassripple_1_1detail_1_1ApplyViewBase_html_af16244cf2efd903b4575a0b85c94d159"><div class="ttname"><a href="classripple_1_1detail_1_1ApplyViewBase.html#af16244cf2efd903b4575a0b85c94d159">ripple::detail::ApplyViewBase::rules</a></div><div class="ttdeci">Rules const &amp; rules() const override</div><div class="ttdoc">Returns the tx processing rules.</div><div class="ttdef"><b>Definition</b> <a href="ApplyViewBase_8cpp_source.html#l00051">ApplyViewBase.cpp:51</a></div></div>
<div class="ttc" id="adecay_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/decay.html">std::decay_t</a></div></div>
<div class="ttc" id="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="anamespaceripple_1_1keylet_html_a54b18d5d8dab25d338f7e105bea1068b"><div class="ttname"><a href="namespaceripple_1_1keylet.html#a54b18d5d8dab25d338f7e105bea1068b">ripple::keylet::amm</a></div><div class="ttdeci">Keylet amm(Asset const &amp;issue1, Asset const &amp;issue2) noexcept</div><div class="ttdoc">AMM entry.</div><div class="ttdef"><b>Definition</b> <a href="Indexes_8cpp_source.html#l00446">Indexes.cpp:446</a></div></div>
<div class="ttc" id="anamespaceripple_1_1keylet_html_a55890af7192834c632299746ba300be8"><div class="ttname"><a href="namespaceripple_1_1keylet.html#a55890af7192834c632299746ba300be8">ripple::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#l00244">Indexes.cpp:244</a></div></div>
<div class="ttc" id="anamespaceripple_1_1keylet_html_aa756e0f59b26042ed00a4d0ba6e96951"><div class="ttname"><a href="namespaceripple_1_1keylet.html#aa756e0f59b26042ed00a4d0ba6e96951">ripple::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#l00184">Indexes.cpp:184</a></div></div>
<div class="ttc" id="anamespaceripple_1_1test_html_a39b1794357565802f08397fa85fd67b5"><div class="ttname"><a href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5">ripple::test::equalHelper</a></div><div class="ttdeci">static bool equalHelper(Step const &amp;step, ripple::Book const &amp;book)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l01410">BookStep.cpp:1410</a></div></div>
<div class="ttc" id="anamespaceripple_1_1test_html_a77c3eafc5e38b2506f7da7bb3b3f3280"><div class="ttname"><a href="namespaceripple_1_1test.html#a77c3eafc5e38b2506f7da7bb3b3f3280">ripple::test::bookStepEqual</a></div><div class="ttdeci">bool bookStepEqual(Step const &amp;step, ripple::Book const &amp;book)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l01418">BookStep.cpp:1418</a></div></div>
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition</b> <a href="algorithm_8h_source.html#l00025">algorithm.h:25</a></div></div>
<div class="ttc" id="anamespaceripple_html_a02be1da6bd3d611ea7a48b208b060b6c"><div class="ttname"><a href="namespaceripple.html#a02be1da6bd3d611ea7a48b208b060b6c">ripple::xrpIssue</a></div><div class="ttdeci">Issue const &amp; xrpIssue()</div><div class="ttdoc">Returns an asset specifier that represents XRP.</div><div class="ttdef"><b>Definition</b> <a href="Issue_8h_source.html#l00115">Issue.h:115</a></div></div>
<div class="ttc" id="anamespaceripple_html_a06f1da429e6a72c7a8be4248d88ed6e7"><div class="ttname"><a href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">ripple::sum</a></div><div class="ttdeci">static auto sum(TCollection const &amp;col)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l01004">BookStep.cpp:1004</a></div></div>
<div class="ttc" id="anamespaceripple_html_a1842fee89cdf9025217d48514df19b1a"><div class="ttname"><a href="namespaceripple.html#a1842fee89cdf9025217d48514df19b1a">ripple::isConsistent</a></div><div class="ttdeci">bool isConsistent(Book const &amp;book)</div><div class="ttdef"><b>Definition</b> <a href="Book_8cpp_source.html#l00029">Book.cpp:29</a></div></div>
<div class="ttc" id="anamespaceripple_html_a20d30277b9c78756b3d14493055a307c"><div class="ttname"><a href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">ripple::isXRP</a></div><div class="ttdeci">bool isXRP(AccountID const &amp;c)</div><div class="ttdef"><b>Definition</b> <a href="AccountID_8h_source.html#l00090">AccountID.h:90</a></div></div>
<div class="ttc" id="anamespaceripple_html_a263796a7830204a27620035c603d2f15"><div class="ttname"><a href="namespaceripple.html#a263796a7830204a27620035c603d2f15">ripple::limitStepIn</a></div><div class="ttdeci">static void limitStepIn(Offer const &amp;offer, TAmounts&lt; TIn, TOut &gt; &amp;ofrAmt, TAmounts&lt; TIn, TOut &gt; &amp;stpAmt, TOut &amp;ownerGives, std::uint32_t transferRateIn, std::uint32_t transferRateOut, TIn const &amp;limit)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00660">BookStep.cpp:660</a></div></div>
<div class="ttc" id="anamespaceripple_html_a2fca0f72cfacc04d15ad41d84ebf46fd"><div class="ttname"><a href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fd">ripple::StrandDirection</a></div><div class="ttdeci">StrandDirection</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00044">Steps.h:44</a></div></div>
<div class="ttc" id="anamespaceripple_html_a2fca0f72cfacc04d15ad41d84ebf46fda4d9c2073afa3c2abb817dceb22c34de6"><div class="ttname"><a href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda4d9c2073afa3c2abb817dceb22c34de6">ripple::StrandDirection::reverse</a></div><div class="ttdeci">@ reverse</div></div>
<div class="ttc" id="anamespaceripple_html_a2fca0f72cfacc04d15ad41d84ebf46fda965dbaac085fc891bfbbd4f9d145bbc8"><div class="ttname"><a href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda965dbaac085fc891bfbbd4f9d145bbc8">ripple::StrandDirection::forward</a></div><div class="ttdeci">@ forward</div></div>
<div class="ttc" id="anamespaceripple_html_a308162f4d3c7b3c005ee6907ab576da1"><div class="ttname"><a href="namespaceripple.html#a308162f4d3c7b3c005ee6907ab576da1">ripple::getTradingFee</a></div><div class="ttdeci">std::uint16_t getTradingFee(ReadView const &amp;view, SLE const &amp;ammSle, AccountID const &amp;account)</div><div class="ttdoc">Get AMM trading fee for the given account.</div><div class="ttdef"><b>Definition</b> <a href="AMMUtils_8cpp_source.html#l00179">AMMUtils.cpp:179</a></div></div>
<div class="ttc" id="anamespaceripple_html_a4a9c7b33fef9015d6406302ef80b63c5a3f3817fa4e1147bc1ea78c56aaf12632"><div class="ttname"><a href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a3f3817fa4e1147bc1ea78c56aaf12632">ripple::lsfHighNoRipple</a></div><div class="ttdeci">@ lsfHighNoRipple</div><div class="ttdef"><b>Definition</b> <a href="LedgerFormats_8h_source.html#l00164">LedgerFormats.h:164</a></div></div>
<div class="ttc" id="anamespaceripple_html_a4a9c7b33fef9015d6406302ef80b63c5a44c3bc643086a0beb87e3aaeb544e6ad"><div class="ttname"><a href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a44c3bc643086a0beb87e3aaeb544e6ad">ripple::lsfRequireAuth</a></div><div class="ttdeci">@ lsfRequireAuth</div><div class="ttdef"><b>Definition</b> <a href="LedgerFormats_8h_source.html#l00129">LedgerFormats.h:128</a></div></div>
<div class="ttc" id="anamespaceripple_html_a4a9c7b33fef9015d6406302ef80b63c5a503af0c7122f0c0f33e7ea4b7deee1d3"><div class="ttname"><a href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a503af0c7122f0c0f33e7ea4b7deee1d3">ripple::lsfLowNoRipple</a></div><div class="ttdeci">@ lsfLowNoRipple</div><div class="ttdef"><b>Definition</b> <a href="LedgerFormats_8h_source.html#l00163">LedgerFormats.h:163</a></div></div>
<div class="ttc" id="anamespaceripple_html_a4a9c7b33fef9015d6406302ef80b63c5ae6db21adf463a223e362b44f0fd54663"><div class="ttname"><a href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5ae6db21adf463a223e362b44f0fd54663">ripple::lsfHighAuth</a></div><div class="ttdeci">@ lsfHighAuth</div><div class="ttdef"><b>Definition</b> <a href="LedgerFormats_8h_source.html#l00162">LedgerFormats.h:162</a></div></div>
<div class="ttc" id="anamespaceripple_html_a4a9c7b33fef9015d6406302ef80b63c5af37617abe9ad741cd823746961f1fb3a"><div class="ttname"><a href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5af37617abe9ad741cd823746961f1fb3a">ripple::lsfLowAuth</a></div><div class="ttdeci">@ lsfLowAuth</div><div class="ttdef"><b>Definition</b> <a href="LedgerFormats_8h_source.html#l00161">LedgerFormats.h:161</a></div></div>
<div class="ttc" id="anamespaceripple_html_a4ad5ac9da897292a28eea43d041c15a1"><div class="ttname"><a href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">ripple::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#l00032">AmountConversions.h:32</a></div></div>
<div class="ttc" id="anamespaceripple_html_a64db4e9a01a15836948b70c1689ef2ca"><div class="ttname"><a href="namespaceripple.html#a64db4e9a01a15836948b70c1689ef2ca">ripple::isDefaultPath</a></div><div class="ttdeci">static bool isDefaultPath(STPath const &amp;path)</div><div class="ttdef"><b>Definition</b> <a href="Pathfinder_8cpp_source.html#l00463">Pathfinder.cpp:463</a></div></div>
<div class="ttc" id="anamespaceripple_html_a73cc988e7ba5d5ee0fd9db53740917ec"><div class="ttname"><a href="namespaceripple.html#a73cc988e7ba5d5ee0fd9db53740917ec">ripple::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#l00486">STAmount.cpp:486</a></div></div>
<div class="ttc" id="anamespaceripple_html_a75cb21d7f1df42f2fdc8efddb79b63f4ad035d214edc31c72362d7efbdaba234c"><div class="ttname"><a href="namespaceripple.html#a75cb21d7f1df42f2fdc8efddb79b63f4ad035d214edc31c72362d7efbdaba234c">ripple::tefINTERNAL</a></div><div class="ttdeci">@ tefINTERNAL</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00173">TER.h:173</a></div></div>
<div class="ttc" id="anamespaceripple_html_a7c8945b5034bba5f9df719cff2503495"><div class="ttname"><a href="namespaceripple.html#a7c8945b5034bba5f9df719cff2503495">ripple::composed_quality</a></div><div class="ttdeci">Quality composed_quality(Quality const &amp;lhs, Quality const &amp;rhs)</div><div class="ttdef"><b>Definition</b> <a href="Quality_8cpp_source.html#l00158">Quality.cpp:158</a></div></div>
<div class="ttc" id="anamespaceripple_html_a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf"><div class="ttname"><a href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">ripple::QualityDirection::in</a></div><div class="ttdeci">@ in</div></div>
<div class="ttc" id="anamespaceripple_html_a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275"><div class="ttname"><a href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">ripple::QualityDirection::out</a></div><div class="ttdeci">@ out</div></div>
<div class="ttc" id="anamespaceripple_html_a7dfbbc119e9821f91f95982dadcfd712"><div class="ttname"><a href="namespaceripple.html#a7dfbbc119e9821f91f95982dadcfd712">ripple::SetUnion</a></div><div class="ttdeci">void SetUnion(boost::container::flat_set&lt; T &gt; &amp;dst, boost::container::flat_set&lt; T &gt; const &amp;src)</div><div class="ttdoc">Given two flat sets dst and src, compute dst = dst union src.</div><div class="ttdef"><b>Definition</b> <a href="FlatSets_8h_source.html#l00035">FlatSets.h:35</a></div></div>
<div class="ttc" id="anamespaceripple_html_a7ed8dc85e6410852cc2ea4c6d12b7fdb"><div class="ttname"><a href="namespaceripple.html#a7ed8dc85e6410852cc2ea4c6d12b7fdb">ripple::make_BookStepXI</a></div><div class="ttdeci">std::pair&lt; TER, std::unique_ptr&lt; Step &gt; &gt; make_BookStepXI(StrandContext const &amp;ctx, Issue const &amp;out)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l01487">BookStep.cpp:1487</a></div></div>
<div class="ttc" id="anamespaceripple_html_a8c623abdba7fa97ffd148311056d401e"><div class="ttname"><a href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">ripple::DebtDirection</a></div><div class="ttdeci">DebtDirection</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00042">Steps.h:42</a></div></div>
<div class="ttc" id="anamespaceripple_html_a8c623abdba7fa97ffd148311056d401ea7e611dd9f79193db43a5e9983752239e"><div class="ttname"><a href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401ea7e611dd9f79193db43a5e9983752239e">ripple::DebtDirection::redeems</a></div><div class="ttdeci">@ redeems</div></div>
<div class="ttc" id="anamespaceripple_html_a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c"><div class="ttname"><a href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c">ripple::DebtDirection::issues</a></div><div class="ttdeci">@ issues</div></div>
<div class="ttc" id="anamespaceripple_html_a8ccabfbbb65455ce08cdf7d024b768fe"><div class="ttname"><a href="namespaceripple.html#a8ccabfbbb65455ce08cdf7d024b768fe">ripple::make_BookStepIX</a></div><div class="ttdeci">std::pair&lt; TER, std::unique_ptr&lt; Step &gt; &gt; make_BookStepIX(StrandContext const &amp;ctx, Issue const &amp;in)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l01481">BookStep.cpp:1481</a></div></div>
<div class="ttc" id="anamespaceripple_html_a948ed7ae32de8014f0a5f421f36bedc1"><div class="ttname"><a href="namespaceripple.html#a948ed7ae32de8014f0a5f421f36bedc1">ripple::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#l00034">PaySteps.cpp:34</a></div></div>
<div class="ttc" id="anamespaceripple_html_a9ad0749604cda5299e9af18bf08cb830"><div class="ttname"><a href="namespaceripple.html#a9ad0749604cda5299e9af18bf08cb830">ripple::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#l00759">View.cpp:759</a></div></div>
<div class="ttc" id="anamespaceripple_html_a9d22f4d38ac33f4258a0205f8e11d27e"><div class="ttname"><a href="namespaceripple.html#a9d22f4d38ac33f4258a0205f8e11d27e">ripple::WaiveTransferFee</a></div><div class="ttdeci">WaiveTransferFee</div><div class="ttdef"><b>Definition</b> <a href="View_8h_source.html#l00043">View.h:43</a></div></div>
<div class="ttc" id="anamespaceripple_html_a9d22f4d38ac33f4258a0205f8e11d27ea93cba07454f06a4a960172bbd6e2a435"><div class="ttname"><a href="namespaceripple.html#a9d22f4d38ac33f4258a0205f8e11d27ea93cba07454f06a4a960172bbd6e2a435">ripple::WaiveTransferFee::Yes</a></div><div class="ttdeci">@ Yes</div></div>
<div class="ttc" id="anamespaceripple_html_a9d22f4d38ac33f4258a0205f8e11d27eabafd7322c6e97d25b6299b5d6fe8920b"><div class="ttname"><a href="namespaceripple.html#a9d22f4d38ac33f4258a0205f8e11d27eabafd7322c6e97d25b6299b5d6fe8920b">ripple::WaiveTransferFee::No</a></div><div class="ttdeci">@ No</div></div>
<div class="ttc" id="anamespaceripple_html_aa16a5e66c64d7a8b5c3a5123a2d21dfe"><div class="ttname"><a href="namespaceripple.html#aa16a5e66c64d7a8b5c3a5123a2d21dfe">ripple::limitStepOut</a></div><div class="ttdeci">static void limitStepOut(Offer const &amp;offer, TAmounts&lt; TIn, TOut &gt; &amp;ofrAmt, TAmounts&lt; TIn, TOut &gt; &amp;stpAmt, TOut &amp;ownerGives, std::uint32_t transferRateIn, std::uint32_t transferRateOut, TOut const &amp;limit)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00691">BookStep.cpp:691</a></div></div>
<div class="ttc" id="anamespaceripple_html_aa298e929e02f59c2b05a30ee8805b38ca33d363e51ee15c8bd4f5d7c4e4518def"><div class="ttname"><a href="namespaceripple.html#aa298e929e02f59c2b05a30ee8805b38ca33d363e51ee15c8bd4f5d7c4e4518def">ripple::tecNO_ISSUER</a></div><div class="ttdeci">@ tecNO_ISSUER</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00299">TER.h:299</a></div></div>
<div class="ttc" id="anamespaceripple_html_aa298e929e02f59c2b05a30ee8805b38caa7dccd25363fdff0d363bd16553d1c84"><div class="ttname"><a href="namespaceripple.html#aa298e929e02f59c2b05a30ee8805b38caa7dccd25363fdff0d363bd16553d1c84">ripple::tecINVARIANT_FAILED</a></div><div class="ttdeci">@ tecINVARIANT_FAILED</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00313">TER.h:313</a></div></div>
<div class="ttc" id="anamespaceripple_html_aa91457ff078f37f17e7bc3875d6c1752"><div class="ttname"><a href="namespaceripple.html#aa91457ff078f37f17e7bc3875d6c1752">ripple::make_BookStepHelper</a></div><div class="ttdeci">static std::pair&lt; TER, std::unique_ptr&lt; Step &gt; &gt; make_BookStepHelper(StrandContext const &amp;ctx, Issue const &amp;in, Issue const &amp;out)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l01450">BookStep.cpp:1450</a></div></div>
<div class="ttc" id="anamespaceripple_html_aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151"><div class="ttname"><a href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">ripple::tesSUCCESS</a></div><div class="ttdeci">@ tesSUCCESS</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00245">TER.h:244</a></div></div>
<div class="ttc" id="anamespaceripple_html_aac90126f05dbf5927af55dde5bb0933d"><div class="ttname"><a href="namespaceripple.html#aac90126f05dbf5927af55dde5bb0933d">ripple::make_BookStepII</a></div><div class="ttdeci">std::pair&lt; TER, std::unique_ptr&lt; Step &gt; &gt; make_BookStepII(StrandContext const &amp;ctx, Issue const &amp;in, Issue const &amp;out)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l01475">BookStep.cpp:1475</a></div></div>
<div class="ttc" id="anamespaceripple_html_aaed451aa78786841714de20f3f345f23"><div class="ttname"><a href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">ripple::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#l00190">IOUAmount.cpp:190</a></div></div>
<div class="ttc" id="anamespaceripple_html_ac124fe6744b7fe887dec949b56b16d50"><div class="ttname"><a href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">ripple::to_string</a></div><div class="ttdeci">std::string to_string(base_uint&lt; Bits, Tag &gt; const &amp;a)</div><div class="ttdef"><b>Definition</b> <a href="base__uint_8h_source.html#l00630">base_uint.h:630</a></div></div>
<div class="ttc" id="anamespaceripple_html_ad2487abbcc1a5d6064b72144b461df6eaf77cbea9706ce2ee7fdf5a85efbf70c5"><div class="ttname"><a href="namespaceripple.html#ad2487abbcc1a5d6064b72144b461df6eaf77cbea9706ce2ee7fdf5a85efbf70c5">ripple::tapNONE</a></div><div class="ttdeci">@ tapNONE</div><div class="ttdef"><b>Definition</b> <a href="ApplyView_8h_source.html#l00031">ApplyView.h:31</a></div></div>
<div class="ttc" id="anamespaceripple_html_adebe4d783be9c979e67fdbb2bc27162faadb84abae8e5aa672e05db5ed3282054"><div class="ttname"><a href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162faadb84abae8e5aa672e05db5ed3282054">ripple::terNO_RIPPLE</a></div><div class="ttdeci">@ terNO_RIPPLE</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00224">TER.h:224</a></div></div>
<div class="ttc" id="anamespaceripple_html_adebe4d783be9c979e67fdbb2bc27162fae9a023686bac48d78ee1d9d7aaa95b5f"><div class="ttname"><a href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162fae9a023686bac48d78ee1d9d7aaa95b5f">ripple::terNO_LINE</a></div><div class="ttdeci">@ terNO_LINE</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00219">TER.h:219</a></div></div>
<div class="ttc" id="anamespaceripple_html_afbcd0117839fb629a769c600a741f452"><div class="ttname"><a href="namespaceripple.html#afbcd0117839fb629a769c600a741f452">ripple::parityRate</a></div><div class="ttdeci">Rate const parityRate</div><div class="ttdoc">A transfer rate signifying a 1:1 exchange.</div></div>
<div class="ttc" id="anamespaceripple_html_afe21c8454670d46fb93751a5edffed46a12457d1044fb018f478405504184dc79"><div class="ttname"><a href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a12457d1044fb018f478405504184dc79">ripple::temBAD_PATH_LOOP</a></div><div class="ttdeci">@ temBAD_PATH_LOOP</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00097">TER.h:97</a></div></div>
<div class="ttc" id="anamespaceripple_html_afe21c8454670d46fb93751a5edffed46a301b180a711f213c51de73aba9d28de5"><div class="ttname"><a href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a301b180a711f213c51de73aba9d28de5">ripple::temBAD_PATH</a></div><div class="ttdeci">@ temBAD_PATH</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00096">TER.h:96</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="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="astructripple_1_1BookStep_1_1Cache_html"><div class="ttname"><a href="structripple_1_1BookStep_1_1Cache.html">ripple::BookStep::Cache</a></div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00073">BookStep.cpp:74</a></div></div>
<div class="ttc" id="astructripple_1_1BookStep_1_1Cache_html_a25f4c5b9949c11ed36a541ed4adfdc1a"><div class="ttname"><a href="structripple_1_1BookStep_1_1Cache.html#a25f4c5b9949c11ed36a541ed4adfdc1a">ripple::BookStep::Cache::in</a></div><div class="ttdeci">TIn in</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00075">BookStep.cpp:75</a></div></div>
<div class="ttc" id="astructripple_1_1BookStep_1_1Cache_html_a99dd72c5f6f213fabc063a6885a94a78"><div class="ttname"><a href="structripple_1_1BookStep_1_1Cache.html#a99dd72c5f6f213fabc063a6885a94a78">ripple::BookStep::Cache::Cache</a></div><div class="ttdeci">Cache(TIn const &amp;in_, TOut const &amp;out_)</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00078">BookStep.cpp:78</a></div></div>
<div class="ttc" id="astructripple_1_1BookStep_1_1Cache_html_aa88676770cdf9b05078d49a8bb3b3d45"><div class="ttname"><a href="structripple_1_1BookStep_1_1Cache.html#aa88676770cdf9b05078d49a8bb3b3d45">ripple::BookStep::Cache::out</a></div><div class="ttdeci">TOut out</div><div class="ttdef"><b>Definition</b> <a href="BookStep_8cpp_source.html#l00076">BookStep.cpp:76</a></div></div>
<div class="ttc" id="astructripple_1_1EitherAmount_html"><div class="ttname"><a href="structripple_1_1EitherAmount.html">ripple::EitherAmount</a></div><div class="ttdef"><b>Definition</b> <a href="AmountSpec_8h_source.html#l00059">AmountSpec.h:60</a></div></div>
<div class="ttc" id="astructripple_1_1Keylet_html_a482983062843a8682fcea76a309c73db"><div class="ttname"><a href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">ripple::Keylet::key</a></div><div class="ttdeci">uint256 key</div><div class="ttdef"><b>Definition</b> <a href="Keylet_8h_source.html#l00040">Keylet.h:40</a></div></div>
<div class="ttc" id="astructripple_1_1QualityFunction_1_1CLOBLikeTag_html"><div class="ttname"><a href="structripple_1_1QualityFunction_1_1CLOBLikeTag.html">ripple::QualityFunction::CLOBLikeTag</a></div><div class="ttdef"><b>Definition</b> <a href="QualityFunction_8h_source.html#l00055">QualityFunction.h:56</a></div></div>
<div class="ttc" id="astructripple_1_1Rate_html_a59fd441d04e641347e6dc62c2301f671"><div class="ttname"><a href="structripple_1_1Rate.html#a59fd441d04e641347e6dc62c2301f671">ripple::Rate::value</a></div><div class="ttdeci">std::uint32_t value</div><div class="ttdef"><b>Definition</b> <a href="Rate_8h_source.html#l00041">Rate.h:41</a></div></div>
<div class="ttc" id="astructripple_1_1StrandContext_html"><div class="ttname"><a href="structripple_1_1StrandContext.html">ripple::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#l00532">Steps.h:533</a></div></div>
<div class="ttc" id="astructripple_1_1StrandContext_html_a09a7d44d440f4d4b4f89fd71aff64368"><div class="ttname"><a href="structripple_1_1StrandContext.html#a09a7d44d440f4d4b4f89fd71aff64368">ripple::StrandContext::j</a></div><div class="ttdeci">beast::Journal const j</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00562">Steps.h:562</a></div></div>
<div class="ttc" id="astructripple_1_1StrandContext_html_a0bef921eb9b057dff6fa57d4bef62025"><div class="ttname"><a href="structripple_1_1StrandContext.html#a0bef921eb9b057dff6fa57d4bef62025">ripple::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#l00559">Steps.h:559</a></div></div>
<div class="ttc" id="astructripple_1_1StrandContext_html_a0e059ee50baf7c62cfa1748b40f1092d"><div class="ttname"><a href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">ripple::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#l00534">Steps.h:534</a></div></div>
<div class="ttc" id="astructripple_1_1StrandContext_html_a1f64547d1189ede6fef202ada9dc0f2b"><div class="ttname"><a href="structripple_1_1StrandContext.html#a1f64547d1189ede6fef202ada9dc0f2b">ripple::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#l00555">Steps.h:555</a></div></div>
<div class="ttc" id="astructripple_1_1StrandContext_html_a20f852451e14c6cc04c3fbb5a49c41f6"><div class="ttname"><a href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">ripple::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#l00549">Steps.h:549</a></div></div>
<div class="ttc" id="astructripple_1_1StrandContext_html_a823714e1b46346bde9898caac9c824d2"><div class="ttname"><a href="structripple_1_1StrandContext.html#a823714e1b46346bde9898caac9c824d2">ripple::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#l00543">Steps.h:543</a></div></div>
<div class="ttc" id="astructripple_1_1StrandContext_html_ad518e54e6f8dd8bc666dd4066e4da31c"><div class="ttname"><a href="structripple_1_1StrandContext.html#ad518e54e6f8dd8bc666dd4066e4da31c">ripple::StrandContext::ammContext</a></div><div class="ttdeci">AMMContext &amp; ammContext</div><div class="ttdef"><b>Definition</b> <a href="Steps_8h_source.html#l00560">Steps.h:560</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>
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