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Bronek
2025-10-08 01:28:57 -07:00
parent 59b289780c
commit 62f02c3109
466 changed files with 26115 additions and 25906 deletions

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@@ -1294,402 +1294,408 @@ $(document).ready(function() { init_codefold(0); });
<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 class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span> JLOG(j_.<a class="code hl_function" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>())</div>
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</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="l01119" name="l01119"></a><span class="lineno"> 1119</span> UNREACHABLE(<span class="stringliteral">&quot;ripple::BookStep::revImp : remaining less than zero&quot;</span>);</div>
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span> cache_.emplace(beast::zero, beast::zero);</div>
<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span> <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span> }</div>
<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span> <span class="keywordflow">case</span> 0: {</div>
<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span> <span class="comment">// due to normalization, remainingOut can be zero without</span></div>
<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span> <span class="comment">// result.out == out. Force result.out == out for this case</span></div>
<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span> result.out = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>;</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> }</div>
<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span> </div>
<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span> cache_.emplace(result.in, result.out);</div>
<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span> <span class="keywordflow">return</span> {result.in, result.out};</div>
<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</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="l01134" name="l01134"></a><span class="lineno"> 1134</span> </div>
<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</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="l01136" name="l01136"></a><span class="lineno"> 1136</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="foldopen01137" data-start="{" data-end="}">
<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ac360725d48ffbe2a589ae0f4ca23c569"> 1137</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="l01138" name="l01138"></a><span class="lineno"> 1138</span> <a class="code hl_class" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span> <a class="code hl_class" href="classripple_1_1ApplyView.html">ApplyView</a>&amp; afView,</div>
<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span> boost::container::flat_set&lt;uint256&gt;&amp; ofrsToRm,</div>
<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</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="l01142" name="l01142"></a><span class="lineno"> 1142</span>{</div>
<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span> XRPL_ASSERT(cache_, <span class="stringliteral">&quot;ripple::BookStep::fwdImp : cache is set&quot;</span>);</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="l01145" name="l01145"></a><span class="lineno"> 1145</span> TAmounts&lt;TIn, TOut&gt; result(beast::zero, beast::zero);</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="l01147" name="l01147"></a><span class="lineno"> 1147</span> <span class="keyword">auto</span> remainingIn = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span> </div>
<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span> boost::container::flat_multiset&lt;TIn&gt; savedIns;</div>
<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"> 1150</span> savedIns.reserve(64);</div>
<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span> boost::container::flat_multiset&lt;TOut&gt; savedOuts;</div>
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span> savedOuts.reserve(64);</div>
<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span> </div>
<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</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="l01155" name="l01155"></a><span class="lineno"> 1155</span> <span class="comment">// amounts - tho always &lt;=)</span></div>
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span> <span class="keyword">auto</span> eachOffer = [&amp;](<span class="keyword">auto</span>&amp; offer,</div>
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span> TAmounts&lt;TIn, TOut&gt; <span class="keyword">const</span>&amp; ofrAmt,</div>
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span> TAmounts&lt;TIn, TOut&gt; <span class="keyword">const</span>&amp; stpAmt,</div>
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span> TOut <span class="keyword">const</span>&amp; ownerGives,</div>
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</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="l01161" name="l01161"></a><span class="lineno"> 1161</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="l01162" name="l01162"></a><span class="lineno"> 1162</span> XRPL_ASSERT(</div>
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span> cache_, <span class="stringliteral">&quot;ripple::BookStep::fwdImp::eachOffer : cache is set&quot;</span>);</div>
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span> </div>
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span> <span class="keywordflow">if</span> (remainingIn &lt;= beast::zero)</div>
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span> </div>
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span> <span class="keywordtype">bool</span> processMore = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span> <span class="keyword">auto</span> ofrAdjAmt = ofrAmt;</div>
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span> <span class="keyword">auto</span> stpAdjAmt = stpAmt;</div>
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span> <span class="keyword">auto</span> ownerGivesAdj = ownerGives;</div>
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span> </div>
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span> <span class="keyword">typename</span> boost::container::flat_multiset&lt;TOut&gt;::const_iterator lastOut;</div>
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span> <span class="keywordflow">if</span> (stpAmt.in &lt;= remainingIn)</div>
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"> 1175</span> {</div>
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span> savedIns.insert(stpAmt.in);</div>
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span> lastOut = savedOuts.insert(stpAmt.out);</div>
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</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="l01179" name="l01179"></a><span class="lineno"> 1179</span> <span class="comment">// consume the offer even if stepAmt.in == remainingIn</span></div>
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span> processMore = <span class="keyword">true</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> <span class="keywordflow">else</span></div>
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span> {</div>
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span> <a class="code hl_function" href="namespaceripple.html#a263796a7830204a27620035c603d2f15">limitStepIn</a>(</div>
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span> offer,</div>
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span> ofrAdjAmt,</div>
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span> stpAdjAmt,</div>
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span> ownerGivesAdj,</div>
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span> transferRateIn,</div>
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span> transferRateOut,</div>
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span> remainingIn);</div>
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span> savedIns.insert(remainingIn);</div>
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span> lastOut = savedOuts.insert(stpAdjAmt.out);</div>
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span> result.out = <a class="code hl_function" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedOuts);</div>
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span> result.in = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</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> processMore = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span> }</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="keywordflow">if</span> (result.out &gt; cache_-&gt;out &amp;&amp; result.in &lt;= cache_-&gt;in)</div>
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span> {</div>
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span> <span class="comment">// The step produced more output in the forward pass than the</span></div>
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span> <span class="comment">// reverse pass while consuming the same input (or less). If we</span></div>
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span> <span class="comment">// compute the input required to produce the cached output</span></div>
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span> <span class="comment">// (produced in the reverse step) and the input is equal to</span></div>
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span> <span class="comment">// the input consumed in the forward step, then consume the</span></div>
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span> <span class="comment">// input provided in the forward step and produce the output</span></div>
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span> <span class="comment">// requested from the reverse step.</span></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> lastOutAmt = *lastOut;</div>
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span> savedOuts.erase(lastOut);</div>
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</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="l01212" name="l01212"></a><span class="lineno"> 1212</span> <span class="keyword">auto</span> ofrAdjAmtRev = ofrAmt;</div>
<div class="line"><a id="l01213" name="l01213"></a><span class="lineno"> 1213</span> <span class="keyword">auto</span> stpAdjAmtRev = stpAmt;</div>
<div class="line"><a id="l01214" name="l01214"></a><span class="lineno"> 1214</span> <span class="keyword">auto</span> ownerGivesAdjRev = ownerGives;</div>
<div class="line"><a id="l01215" name="l01215"></a><span class="lineno"> 1215</span> <a class="code hl_function" href="namespaceripple.html#aa16a5e66c64d7a8b5c3a5123a2d21dfe">limitStepOut</a>(</div>
<div class="line"><a id="l01216" name="l01216"></a><span class="lineno"> 1216</span> offer,</div>
<div class="line"><a id="l01217" name="l01217"></a><span class="lineno"> 1217</span> ofrAdjAmtRev,</div>
<div class="line"><a id="l01218" name="l01218"></a><span class="lineno"> 1218</span> stpAdjAmtRev,</div>
<div class="line"><a id="l01219" name="l01219"></a><span class="lineno"> 1219</span> ownerGivesAdjRev,</div>
<div class="line"><a id="l01220" name="l01220"></a><span class="lineno"> 1220</span> transferRateIn,</div>
<div class="line"><a id="l01221" name="l01221"></a><span class="lineno"> 1221</span> transferRateOut,</div>
<div class="line"><a id="l01222" name="l01222"></a><span class="lineno"> 1222</span> remainingOut);</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> <span class="keywordflow">if</span> (stpAdjAmtRev.in == remainingIn)</div>
<div class="line"><a id="l01225" name="l01225"></a><span class="lineno"> 1225</span> {</div>
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"> 1226</span> result.in = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span> result.out = cache_-&gt;out;</div>
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span> </div>
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"> 1229</span> savedIns.clear();</div>
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span> savedIns.insert(result.in);</div>
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span> savedOuts.clear();</div>
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span> savedOuts.insert(result.out);</div>
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span> </div>
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span> ofrAdjAmt = ofrAdjAmtRev;</div>
<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span> stpAdjAmt.in = remainingIn;</div>
<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span> stpAdjAmt.out = remainingOut;</div>
<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span> ownerGivesAdj = ownerGivesAdjRev;</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="keywordflow">else</span></div>
<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span> {</div>
<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span> <span class="comment">// This is (likely) a problem case, and will be caught</span></div>
<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span> <span class="comment">// with later checks</span></div>
<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span> savedOuts.insert(lastOutAmt);</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> }</div>
<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span> </div>
<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span> remainingIn = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a> - result.in;</div>
<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span> this-&gt;consumeOffer(sb, offer, ofrAdjAmt, stpAdjAmt, ownerGivesAdj);</div>
<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span> </div>
<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span> <span class="comment">// When the mantissas of two iou amounts differ by less than ten, then</span></div>
<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span> <span class="comment">// subtracting them leaves a result of zero. This can cause the check</span></div>
<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span> <span class="comment">// for (stpAmt.in &gt; remainingIn) to incorrectly think an offer will be</span></div>
<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span> <span class="comment">// funded after subtracting remainingIn.</span></div>
<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span> <span class="keywordflow">return</span> processMore || offer.fully_consumed();</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> </div>
<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span> {</div>
<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span> <span class="keyword">auto</span> <span class="keyword">const</span> prevStepDebtDir = [&amp;] {</div>
<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span> <span class="keywordflow">if</span> (prevStep_)</div>
<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</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="l01261" name="l01261"></a><span class="lineno"> 1261</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>;</div>
<div class="line"><a id="l01262" name="l01262"></a><span class="lineno"> 1262</span> }();</div>
<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"> 1263</span> <span class="keyword">auto</span> <span class="keyword">const</span> r = forEachOffer(sb, afView, prevStepDebtDir, eachOffer);</div>
<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</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="l01265" name="l01265"></a><span class="lineno"> 1265</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="l01266" name="l01266"></a><span class="lineno"> 1266</span> offersUsed_ = offersConsumed;</div>
<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span> <a class="code hl_function" href="namespaceripple.html#a7dfbbc119e9821f91f95982dadcfd712">SetUnion</a>(ofrsToRm, toRm);</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="keywordflow">if</span> (offersConsumed &gt;= maxOffersToConsume_)</div>
<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"> 1270</span> {</div>
<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span> <span class="comment">// Too many iterations, mark this strand as inactive (dry)</span></div>
<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</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="l01273" name="l01273"></a><span class="lineno"> 1273</span> {</div>
<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"> 1274</span> <span class="comment">// Don&#39;t use the liquidity</span></div>
<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span> cache_.emplace(beast::zero, beast::zero);</div>
<div class="line"><a id="l01276" name="l01276"></a><span class="lineno"> 1276</span> <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
<div class="line"><a id="l01277" name="l01277"></a><span class="lineno"> 1277</span> }</div>
<div class="line"><a id="l01278" name="l01278"></a><span class="lineno"> 1278</span> </div>
<div class="line"><a id="l01279" name="l01279"></a><span class="lineno"> 1279</span> <span class="comment">// Use the liquidity, but use this to mark the strand as inactive so</span></div>
<div class="line"><a id="l01280" name="l01280"></a><span class="lineno"> 1280</span> <span class="comment">// it&#39;s not used further</span></div>
<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"> 1281</span> inactive_ = <span class="keyword">true</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> }</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">switch</span> (remainingIn.signum())</div>
<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span> {</div>
<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"> 1287</span> <span class="keywordflow">case</span> -1: {</div>
<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l01289" name="l01289"></a><span class="lineno"> 1289</span> <span class="comment">// something went very wrong</span></div>
<div class="line"><a id="l01290" name="l01290"></a><span class="lineno"> 1290</span> JLOG(j_.<a class="code hl_function" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>())</div>
<div class="line"><a id="l01291" name="l01291"></a><span class="lineno"> 1291</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="l01292" name="l01292"></a><span class="lineno"> 1292</span> UNREACHABLE(<span class="stringliteral">&quot;ripple::BookStep::fwdImp : remaining less than zero&quot;</span>);</div>
<div class="line"><a id="l01293" name="l01293"></a><span class="lineno"> 1293</span> cache_.emplace(beast::zero, beast::zero);</div>
<div class="line"><a id="l01294" name="l01294"></a><span class="lineno"> 1294</span> <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
<div class="line"><a id="l01295" name="l01295"></a><span class="lineno"> 1295</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l01296" name="l01296"></a><span class="lineno"> 1296</span> }</div>
<div class="line"><a id="l01297" name="l01297"></a><span class="lineno"> 1297</span> <span class="keywordflow">case</span> 0: {</div>
<div class="line"><a id="l01298" name="l01298"></a><span class="lineno"> 1298</span> <span class="comment">// due to normalization, remainingIn can be zero without</span></div>
<div class="line"><a id="l01299" name="l01299"></a><span class="lineno"> 1299</span> <span class="comment">// result.in == in. Force result.in == in for this case</span></div>
<div class="line"><a id="l01300" name="l01300"></a><span class="lineno"> 1300</span> result.in = <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
<div class="line"><a id="l01301" name="l01301"></a><span class="lineno"> 1301</span> }</div>
<div class="line"><a id="l01302" name="l01302"></a><span class="lineno"> 1302</span> }</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="l01304" name="l01304"></a><span class="lineno"> 1304</span> cache_.emplace(result.in, result.out);</div>
<div class="line"><a id="l01305" name="l01305"></a><span class="lineno"> 1305</span> <span class="keywordflow">return</span> {result.in, result.out};</div>
<div class="line"><a id="l01306" name="l01306"></a><span class="lineno"> 1306</span>}</div>
</div>
<div class="line"><a id="l01307" name="l01307"></a><span class="lineno"> 1307</span> </div>
<div class="line"><a id="l01308" name="l01308"></a><span class="lineno"> 1308</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="l01309" name="l01309"></a><span class="lineno"> 1309</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="foldopen01310" data-start="{" data-end="}">
<div class="line"><a id="l01310" name="l01310"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a75e0f046afee8b75774801a2e6ffaae0"> 1310</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="l01311" name="l01311"></a><span class="lineno"> 1311</span> <a class="code hl_class" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; sb,</div>
<div class="line"><a id="l01312" name="l01312"></a><span class="lineno"> 1312</span> <a class="code hl_class" href="classripple_1_1ApplyView.html">ApplyView</a>&amp; afView,</div>
<div class="line"><a id="l01313" name="l01313"></a><span class="lineno"> 1313</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="l01314" name="l01314"></a><span class="lineno"> 1314</span>{</div>
<div class="line"><a id="l01315" name="l01315"></a><span class="lineno"> 1315</span> <span class="keywordflow">if</span> (!cache_)</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> 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="l01318" name="l01318"></a><span class="lineno"> 1318</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="l01319" name="l01319"></a><span class="lineno"> 1319</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> <span class="keyword">auto</span> <span class="keyword">const</span> savCache = *cache_;</div>
<div class="line"><a id="l01322" name="l01322"></a><span class="lineno"> 1322</span> </div>
<div class="line"><a id="l01323" name="l01323"></a><span class="lineno"> 1323</span> <span class="keywordflow">try</span></div>
<div class="line"><a id="l01324" name="l01324"></a><span class="lineno"> 1324</span> {</div>
<div class="line"><a id="l01325" name="l01325"></a><span class="lineno"> 1325</span> boost::container::flat_set&lt;uint256&gt; dummy;</div>
<div class="line"><a id="l01326" name="l01326"></a><span class="lineno"> 1326</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="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 class="line"><a id="l01328" name="l01328"></a><span class="lineno"> 1328</span> <span class="keywordflow">catch</span> (FlowException <span class="keyword">const</span>&amp;)</div>
<div class="line"><a id="l01329" name="l01329"></a><span class="lineno"> 1329</span> {</div>
<div class="line"><a id="l01330" name="l01330"></a><span class="lineno"> 1330</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="l01331" name="l01331"></a><span class="lineno"> 1331</span> }</div>
<div class="line"><a id="l01332" name="l01332"></a><span class="lineno"> 1332</span> </div>
<div class="line"><a id="l01333" name="l01333"></a><span class="lineno"> 1333</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="l01334" name="l01334"></a><span class="lineno"> 1334</span> <a class="code hl_function" href="namespaceripple.html#a948ed7ae32de8014f0a5f421f36bedc1">checkNear</a>(savCache.out, cache_-&gt;out)))</div>
<div class="line"><a id="l01335" name="l01335"></a><span class="lineno"> 1335</span> {</div>
<div class="line"><a id="l01336" name="l01336"></a><span class="lineno"> 1336</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="l01337" name="l01337"></a><span class="lineno"> 1337</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="l01338" name="l01338"></a><span class="lineno"> 1338</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="l01339" name="l01339"></a><span class="lineno"> 1339</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="l01340" name="l01340"></a><span class="lineno"> 1340</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="l01341" name="l01341"></a><span class="lineno"> 1341</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="l01342" name="l01342"></a><span class="lineno"> 1342</span> }</div>
<div class="line"><a id="l01343" name="l01343"></a><span class="lineno"> 1343</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="l01344" name="l01344"></a><span class="lineno"> 1344</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="l01345" name="l01345"></a><span class="lineno"> 1345</span> </div>
<div class="line"><a id="l01346" name="l01346"></a><span class="lineno"> 1346</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="l01347" name="l01347"></a><span class="lineno"> 1347</span><a class="code hl_class" href="classripple_1_1TERSubset.html">TER</a></div>
<div class="foldopen" id="foldopen01348" data-start="{" data-end="}">
<div class="line"><a id="l01348" name="l01348"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a68b0358a5053e3f81802c1bfaaaef647"> 1348</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="l01349" name="l01349"></a><span class="lineno"> 1349</span><span class="keyword"></span>{</div>
<div class="line"><a id="l01350" name="l01350"></a><span class="lineno"> 1350</span> <span class="keywordflow">if</span> (book_.in == book_.out)</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> 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="l01353" name="l01353"></a><span class="lineno"> 1353</span> &lt;&lt; *<span class="keyword">this</span>;</div>
<div class="line"><a id="l01354" name="l01354"></a><span class="lineno"> 1354</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a301b180a711f213c51de73aba9d28de5">temBAD_PATH</a>;</div>
<div class="line"><a id="l01355" name="l01355"></a><span class="lineno"> 1355</span> }</div>
<div class="line"><a id="l01356" name="l01356"></a><span class="lineno"> 1356</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="l01357" name="l01357"></a><span class="lineno"> 1357</span> {</div>
<div class="line"><a id="l01358" name="l01358"></a><span class="lineno"> 1358</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="l01359" name="l01359"></a><span class="lineno"> 1359</span> &lt;&lt; *<span class="keyword">this</span>;</div>
<div class="line"><a id="l01360" name="l01360"></a><span class="lineno"> 1360</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a301b180a711f213c51de73aba9d28de5">temBAD_PATH</a>;</div>
<div class="line"><a id="l01361" name="l01361"></a><span class="lineno"> 1361</span> }</div>
<div class="line"><a id="l01362" name="l01362"></a><span class="lineno"> 1362</span> </div>
<div class="line"><a id="l01363" name="l01363"></a><span class="lineno"> 1363</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="l01364" name="l01364"></a><span class="lineno"> 1364</span> <span class="comment">// one step to unfund offers in another step.</span></div>
<div class="line"><a id="l01365" name="l01365"></a><span class="lineno"> 1365</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="l01366" name="l01366"></a><span class="lineno"> 1366</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="l01367" name="l01367"></a><span class="lineno"> 1367</span> {</div>
<div class="line"><a id="l01368" name="l01368"></a><span class="lineno"> 1368</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="l01369" name="l01369"></a><span class="lineno"> 1369</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="l01370" name="l01370"></a><span class="lineno"> 1370</span> }</div>
<div class="line"><a id="l01371" name="l01371"></a><span class="lineno"> 1371</span> </div>
<div class="line"><a id="l01372" name="l01372"></a><span class="lineno"> 1372</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="l01373" name="l01373"></a><span class="lineno"> 1373</span> {</div>
<div class="line"><a id="l01374" name="l01374"></a><span class="lineno"> 1374</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="l01375" name="l01375"></a><span class="lineno"> 1375</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="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 class="line"><a id="l01378" name="l01378"></a><span class="lineno"> 1378</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="l01379" name="l01379"></a><span class="lineno"> 1379</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="l01380" name="l01380"></a><span class="lineno"> 1380</span> };</div>
<div class="line"><a id="l01381" name="l01381"></a><span class="lineno"> 1381</span> </div>
<div class="line"><a id="l01382" name="l01382"></a><span class="lineno"> 1382</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="l01383" name="l01383"></a><span class="lineno"> 1383</span> {</div>
<div class="line"><a id="l01384" name="l01384"></a><span class="lineno"> 1384</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="l01385" name="l01385"></a><span class="lineno"> 1385</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#aa298e929e02f59c2b05a30ee8805b38ca33d363e51ee15c8bd4f5d7c4e4518def">tecNO_ISSUER</a>;</div>
<div class="line"><a id="l01386" name="l01386"></a><span class="lineno"> 1386</span> }</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="keywordflow">if</span> (ctx.<a class="code hl_variable" href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">prevStep</a>)</div>
<div class="line"><a id="l01389" name="l01389"></a><span class="lineno"> 1389</span> {</div>
<div class="line"><a id="l01390" name="l01390"></a><span class="lineno"> 1390</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="l01391" name="l01391"></a><span class="lineno"> 1391</span> {</div>
<div class="line"><a id="l01392" name="l01392"></a><span class="lineno"> 1392</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="l01393" name="l01393"></a><span class="lineno"> 1393</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; cur = book_.in.account;</div>
<div class="line"><a id="l01394" name="l01394"></a><span class="lineno"> 1394</span> </div>
<div class="line"><a id="l01395" name="l01395"></a><span class="lineno"> 1395</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="l01396" name="l01396"></a><span class="lineno"> 1396</span> <span class="keywordflow">if</span> (!sle)</div>
<div class="line"><a id="l01397" name="l01397"></a><span class="lineno"> 1397</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162fae9a023686bac48d78ee1d9d7aaa95b5f">terNO_LINE</a>;</div>
<div class="line"><a id="l01398" name="l01398"></a><span class="lineno"> 1398</span> <span class="keywordflow">if</span> ((*sle)[sfFlags] &amp;</div>
<div class="line"><a id="l01399" name="l01399"></a><span class="lineno"> 1399</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="l01400" name="l01400"></a><span class="lineno"> 1400</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162faadb84abae8e5aa672e05db5ed3282054">terNO_RIPPLE</a>;</div>
<div class="line"><a id="l01401" name="l01401"></a><span class="lineno"> 1401</span> }</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> </div>
<div class="line"><a id="l01404" name="l01404"></a><span class="lineno"> 1404</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>;</div>
<div class="line"><a id="l01405" name="l01405"></a><span class="lineno"> 1405</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 class="line"><a id="l01406" name="l01406"></a><span class="lineno"> 1406</span> </div>
<div class="line"><a id="l01407" name="l01407"></a><span class="lineno"> 1407</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l01408" name="l01408"></a><span class="lineno"> 1408</span> </div>
<div class="line"><a id="l01409" name="l01409"></a><span class="lineno"> 1409</span><span class="keyword">namespace </span>test {</div>
<div class="line"><a id="l01410" name="l01410"></a><span class="lineno"> 1410</span><span class="comment">// Needed for testing</span></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="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="l01413" name="l01413"></a><span class="lineno"> 1413</span><span class="keyword">static</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen01414" data-start="{" data-end="}">
<div class="line"><a id="l01414" name="l01414"></a><span class="lineno"><a class="line" href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5"> 1414</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="l01415" name="l01415"></a><span class="lineno"> 1415</span>{</div>
<div class="line"><a id="l01416" name="l01416"></a><span class="lineno"> 1416</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="l01417" name="l01417"></a><span class="lineno"> 1417</span> <span class="keywordflow">return</span> book == bs-&gt;book();</div>
<div class="line"><a id="l01418" name="l01418"></a><span class="lineno"> 1418</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l01419" name="l01419"></a><span class="lineno"> 1419</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="l01420" name="l01420"></a><span class="lineno"> 1420</span> </div>
<div class="line"><a id="l01421" name="l01421"></a><span class="lineno"> 1421</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen01422" data-start="{" data-end="}">
<div class="line"><a id="l01422" name="l01422"></a><span class="lineno"><a class="line" href="namespaceripple_1_1test.html#a77c3eafc5e38b2506f7da7bb3b3f3280"> 1422</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="l01423" name="l01423"></a><span class="lineno"> 1423</span>{</div>
<div class="line"><a id="l01424" name="l01424"></a><span class="lineno"> 1424</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="l01425" name="l01425"></a><span class="lineno"> 1425</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="l01426" name="l01426"></a><span class="lineno"> 1426</span> <span class="keywordflow">if</span> (inXRP &amp;&amp; outXRP)</div>
<div class="line"><a id="l01427" name="l01427"></a><span class="lineno"> 1427</span> {</div>
<div class="line"><a id="l01428" name="l01428"></a><span class="lineno"> 1428</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l01429" name="l01429"></a><span class="lineno"> 1429</span> UNREACHABLE(<span class="stringliteral">&quot;ripple::test::bookStepEqual : no XRP to XRP book step&quot;</span>);</div>
<div class="line"><a id="l01430" name="l01430"></a><span class="lineno"> 1430</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="l01431" name="l01431"></a><span class="lineno"> 1431</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l01432" name="l01432"></a><span class="lineno"> 1432</span> }</div>
<div class="line"><a id="l01433" name="l01433"></a><span class="lineno"> 1433</span> <span class="keywordflow">if</span> (inXRP &amp;&amp; !outXRP)</div>
<div class="line"><a id="l01434" name="l01434"></a><span class="lineno"> 1434</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="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="l01436" name="l01436"></a><span class="lineno"> 1436</span> <a class="code hl_class" href="classripple_1_1IOUAmount.html">IOUAmount</a>,</div>
<div class="line"><a id="l01437" name="l01437"></a><span class="lineno"> 1437</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="l01438" name="l01438"></a><span class="lineno"> 1438</span> <span class="keywordflow">if</span> (!inXRP &amp;&amp; outXRP)</div>
<div class="line"><a id="l01439" name="l01439"></a><span class="lineno"> 1439</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="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 class="line"><a id="l01441" name="l01441"></a><span class="lineno"> 1441</span> <a class="code hl_class" href="classripple_1_1XRPAmount.html">XRPAmount</a>,</div>
<div class="line"><a id="l01442" name="l01442"></a><span class="lineno"> 1442</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="l01443" name="l01443"></a><span class="lineno"> 1443</span> <span class="keywordflow">if</span> (!inXRP &amp;&amp; !outXRP)</div>
<div class="line"><a id="l01444" name="l01444"></a><span class="lineno"> 1444</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="l01445" name="l01445"></a><span class="lineno"> 1445</span> <a class="code hl_class" href="classripple_1_1IOUAmount.html">IOUAmount</a>,</div>
<div class="line"><a id="l01446" name="l01446"></a><span class="lineno"> 1446</span> <a class="code hl_class" href="classripple_1_1IOUAmount.html">IOUAmount</a>,</div>
<div class="line"><a id="l01447" name="l01447"></a><span class="lineno"> 1447</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="l01448" name="l01448"></a><span class="lineno"> 1448</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l01449" name="l01449"></a><span class="lineno"> 1449</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="l01450" name="l01450"></a><span class="lineno"> 1450</span>} <span class="comment">// namespace test</span></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><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l01453" name="l01453"></a><span class="lineno"> 1453</span> </div>
<div class="line"><a id="l01454" name="l01454"></a><span class="lineno"> 1454</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="l01455" name="l01455"></a><span class="lineno"> 1455</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="foldopen01456" data-start="{" data-end="}">
<div class="line"><a id="l01456" name="l01456"></a><span class="lineno"><a class="line" href="namespaceripple.html#aa91457ff078f37f17e7bc3875d6c1752"> 1456</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="l01457" name="l01457"></a><span class="lineno"> 1457</span>{</div>
<div class="line"><a id="l01458" name="l01458"></a><span class="lineno"> 1458</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="l01459" name="l01459"></a><span class="lineno"> 1459</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="l01460" name="l01460"></a><span class="lineno"> 1460</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="l01461" name="l01461"></a><span class="lineno"> 1461</span> {</div>
<div class="line"><a id="l01462" name="l01462"></a><span class="lineno"> 1462</span> <span class="keyword">auto</span> offerCrossingStep =</div>
<div class="line"><a id="l01463" name="l01463"></a><span class="lineno"> 1463</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="l01464" name="l01464"></a><span class="lineno"> 1464</span> ter = offerCrossingStep-&gt;check(ctx);</div>
<div class="line"><a id="l01465" name="l01465"></a><span class="lineno"> 1465</span> r = std::move(offerCrossingStep);</div>
<div class="line"><a id="l01466" name="l01466"></a><span class="lineno"> 1466</span> }</div>
<div class="line"><a id="l01467" name="l01467"></a><span class="lineno"> 1467</span> <span class="keywordflow">else</span> <span class="comment">// payment</span></div>
<div class="line"><a id="l01468" name="l01468"></a><span class="lineno"> 1468</span> {</div>
<div class="line"><a id="l01469" name="l01469"></a><span class="lineno"> 1469</span> <span class="keyword">auto</span> paymentStep =</div>
<div class="line"><a id="l01470" name="l01470"></a><span class="lineno"> 1470</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="l01471" name="l01471"></a><span class="lineno"> 1471</span> ter = paymentStep-&gt;check(ctx);</div>
<div class="line"><a id="l01472" name="l01472"></a><span class="lineno"> 1472</span> r = std::move(paymentStep);</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> <span class="keywordflow">if</span> (ter != <a class="code hl_enumvalue" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>)</div>
<div class="line"><a id="l01475" name="l01475"></a><span class="lineno"> 1475</span> <span class="keywordflow">return</span> {ter, <span class="keyword">nullptr</span>};</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> {<a class="code hl_enumvalue" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>, std::move(r)};</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="l01481" name="l01481"></a><span class="lineno"><a class="line" href="namespaceripple.html#aac90126f05dbf5927af55dde5bb0933d"> 1481</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="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="l01483" name="l01483"></a><span class="lineno"> 1483</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="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="l01487" name="l01487"></a><span class="lineno"><a class="line" href="namespaceripple.html#a8ccabfbbb65455ce08cdf7d024b768fe"> 1487</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="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="l01489" name="l01489"></a><span class="lineno"> 1489</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="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 class="line"><a id="l01492" name="l01492"></a><span class="lineno"> 1492</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="foldopen01493" data-start="{" data-end="}">
<div class="line"><a id="l01493" name="l01493"></a><span class="lineno"><a class="line" href="namespaceripple.html#a7ed8dc85e6410852cc2ea4c6d12b7fdb"> 1493</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="l01494" name="l01494"></a><span class="lineno"> 1494</span>{</div>
<div class="line"><a id="l01495" name="l01495"></a><span class="lineno"> 1495</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="l01496" name="l01496"></a><span class="lineno"> 1496</span>}</div>
</div>
<div class="line"><a id="l01497" name="l01497"></a><span class="lineno"> 1497</span> </div>
<div class="line"><a id="l01498" name="l01498"></a><span class="lineno"> 1498</span>} <span class="comment">// namespace ripple</span></div>
</div>
</div>
</div>
@@ -1751,9 +1757,9 @@ $(document).ready(function() { init_codefold(0); });
<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_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#l01348">BookStep.cpp:1348</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_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#l01310">BookStep.cpp:1310</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>
@@ -1764,7 +1770,7 @@ $(document).ready(function() { init_codefold(0); });
<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_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#l01137">BookStep.cpp:1137</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>
@@ -1816,8 +1822,8 @@ $(document).ready(function() { init_codefold(0); });
<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_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#l01414">BookStep.cpp:1414</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#l01422">BookStep.cpp:1422</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>
@@ -1841,22 +1847,22 @@ $(document).ready(function() { init_codefold(0); });
<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_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#l01493">BookStep.cpp:1493</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_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#l01487">BookStep.cpp:1487</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_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#l00762">View.cpp:762</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_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#l01456">BookStep.cpp:1456</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_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#l01481">BookStep.cpp:1481</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>