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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_9f69212e4c6e2ca9ec5ab59cd7b6275c.html">app</a></li><li class="navelem"><a class="el" href="dir_1e0db5c7188e9c3cb47dd9ba683c8f27.html">paths</a></li><li class="navelem"><a class="el" href="dir_a616178398cd3ecc4e74090cb6c9f8d9.html">impl</a></li> </ul>
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<div class="title">BookStep.cpp</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (c) 2012, 2013 Ripple Labs Inc.</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">//==============================================================================</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <ripple/app/paths/Credit.h></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <ripple/app/paths/NodeDirectory.h></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <ripple/app/paths/impl/FlatSets.h></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <ripple/app/paths/impl/Steps.h></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <ripple/app/tx/impl/OfferStream.h></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <ripple/basics/IOUAmount.h></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <ripple/basics/Log.h></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <ripple/basics/XRPAmount.h></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <ripple/basics/contract.h></span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <ripple/ledger/Directory.h></span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <ripple/ledger/PaymentSandbox.h></span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <ripple/protocol/Book.h></span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <ripple/protocol/Feature.h></span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <ripple/protocol/Quality.h></span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <boost/container/flat_set.hpp></span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/numeric.html">numeric</a>></span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/sstream.html">sstream</a>></span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived></div>
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<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html"> 43</a></span> <span class="keyword">class </span><a class="code" href="classripple_1_1BookStep.html">BookStep</a> : <span class="keyword">public</span> StepImp<TIn, TOut, BookStep<TIn, TOut, TDerived>></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a2bf64f6adbca271822b63d46f3c1493a"> 46</a></span>  uint32_t <span class="keyword">const</span> <a class="code" href="classripple_1_1BookStep.html#a2bf64f6adbca271822b63d46f3c1493a">maxOffersToConsume_</a>;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36"> 47</a></span>  <a class="code" href="classripple_1_1Book.html">Book</a> <a class="code" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#afcfc11f791a68e736bda624503a8496d"> 48</a></span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <a class="code" href="classripple_1_1BookStep.html#afcfc11f791a68e736bda624503a8496d">strandSrc_</a>;</div>
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<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#aca9d4f2a380bfab569355b12fbbab6ee"> 49</a></span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <a class="code" href="classripple_1_1BookStep.html#aca9d4f2a380bfab569355b12fbbab6ee">strandDst_</a>;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">// Charge transfer fees when the prev step redeems</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#aa509ba8767d485dba40e339b745c5558"> 51</a></span>  <a class="code" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>* <span class="keyword">const</span> <a class="code" href="classripple_1_1BookStep.html#aa509ba8767d485dba40e339b745c5558">prevStep_</a> = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ac6de326d2b18de2d293079abc85d53f5"> 52</a></span>  <span class="keywordtype">bool</span> <span class="keyword">const</span> <a class="code" href="classripple_1_1BookStep.html#ac6de326d2b18de2d293079abc85d53f5">ownerPaysTransferFee_</a>;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">// Mark as inactive (dry) if too many offers are consumed</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ae94d993f7db69ca6aaa4517b02292ec0"> 54</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classripple_1_1BookStep.html#ae94d993f7db69ca6aaa4517b02292ec0">inactive_</a> = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a299b70f6c07de70b1bea38dda9200882"> 62</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <a class="code" href="classripple_1_1BookStep.html#a299b70f6c07de70b1bea38dda9200882">offersUsed_</a> = 0;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a185d95a05e0e860f20ab1320288f163d"> 63</a></span>  <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> <span class="keyword">const</span> <a class="code" href="classripple_1_1BookStep.html#a185d95a05e0e860f20ab1320288f163d">j_</a>;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="structripple_1_1BookStep_1_1Cache.html"> 65</a></span>  <span class="keyword">struct </span><a class="code" href="structripple_1_1BookStep_1_1Cache.html">Cache</a></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="structripple_1_1BookStep_1_1Cache.html#a25f4c5b9949c11ed36a541ed4adfdc1a"> 67</a></span>  TIn <a class="code" href="structripple_1_1BookStep_1_1Cache.html#a25f4c5b9949c11ed36a541ed4adfdc1a">in</a>;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="structripple_1_1BookStep_1_1Cache.html#aa88676770cdf9b05078d49a8bb3b3d45"> 68</a></span>  TOut <a class="code" href="structripple_1_1BookStep_1_1Cache.html#aa88676770cdf9b05078d49a8bb3b3d45">out</a>;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  </div>
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<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="structripple_1_1BookStep_1_1Cache.html#a99dd72c5f6f213fabc063a6885a94a78"> 70</a></span>  <a class="code" href="structripple_1_1BookStep_1_1Cache.html#a99dd72c5f6f213fabc063a6885a94a78">Cache</a>(TIn <span class="keyword">const</span>& in_, TOut <span class="keyword">const</span>& out_) : <a class="code" href="structripple_1_1BookStep_1_1Cache.html#a25f4c5b9949c11ed36a541ed4adfdc1a">in</a>(in_), <a class="code" href="structripple_1_1BookStep_1_1Cache.html#aa88676770cdf9b05078d49a8bb3b3d45">out</a>(out_)</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  {</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  };</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a8c5609aa3c9590f4c559ec93a3808a0f"> 75</a></span>  boost::optional<Cache> <a class="code" href="classripple_1_1BookStep.html#a8c5609aa3c9590f4c559ec93a3808a0f">cache_</a>;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">static</span> uint32_t</div>
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<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#adc5b4e33834322d5f72e4269c5e9e99e"> 78</a></span>  <a class="code" href="classripple_1_1BookStep.html#adc5b4e33834322d5f72e4269c5e9e99e">getMaxOffersToConsume</a>(<a class="code" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>& ctx)</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (ctx.<a class="code" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>.<a class="code" href="classripple_1_1ReadView.html#aaf2fa03be723bb78d8bdf41614a75a30">rules</a>().<a class="code" href="classripple_1_1Rules.html#a7d7f2142bf5c4a4ddf9fba8eb6c2aebd">enabled</a>(<a class="code" href="namespaceripple.html#a0c155f4dfdb9766fbe27cbe85d43ded7">fix1515</a>))</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> 1000;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> 2000;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ab23316f1d5eeccb27abb43e2300134f0"> 86</a></span>  <a class="code" href="classripple_1_1BookStep.html#ab23316f1d5eeccb27abb43e2300134f0">BookStep</a>(<a class="code" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>& ctx, <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>& in, <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>& out)</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  : <a class="code" href="classripple_1_1BookStep.html#a2bf64f6adbca271822b63d46f3c1493a">maxOffersToConsume_</a>(<a class="code" href="classripple_1_1BookStep.html#adc5b4e33834322d5f72e4269c5e9e99e">getMaxOffersToConsume</a>(ctx))</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  , <a class="code" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>)</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  , <a class="code" href="classripple_1_1BookStep.html#afcfc11f791a68e736bda624503a8496d">strandSrc_</a>(ctx.strandSrc)</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  , <a class="code" href="classripple_1_1BookStep.html#aca9d4f2a380bfab569355b12fbbab6ee">strandDst_</a>(ctx.strandDst)</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  , <a class="code" href="classripple_1_1BookStep.html#aa509ba8767d485dba40e339b745c5558">prevStep_</a>(ctx.prevStep)</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  , <a class="code" href="classripple_1_1BookStep.html#ac6de326d2b18de2d293079abc85d53f5">ownerPaysTransferFee_</a>(ctx.ownerPaysTransferFee)</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  , <a class="code" href="classripple_1_1BookStep.html#a185d95a05e0e860f20ab1320288f163d">j_</a>(ctx.j)</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="classripple_1_1Book.html">Book</a> <span class="keyword">const</span>&</div>
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<div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a9078a99ce222b97f9fb3d166633b1b49"> 98</a></span>  <a class="code" href="classripple_1_1BookStep.html#a9078a99ce222b97f9fb3d166633b1b49">book</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  boost::optional<EitherAmount></div>
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<div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ac63a111d20fc22f914396c26edba0c3e"> 104</a></span>  <a class="code" href="classripple_1_1BookStep.html#ac63a111d20fc22f914396c26edba0c3e">cachedIn</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (!<a class="code" href="classripple_1_1BookStep.html#a8c5609aa3c9590f4c559ec93a3808a0f">cache_</a>)</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> boost::none;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a>(<a class="code" href="classripple_1_1BookStep.html#a8c5609aa3c9590f4c559ec93a3808a0f">cache_</a>->in);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  boost::optional<EitherAmount></div>
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<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a5fdff2534a10ee38677cbdb5c055c762"> 112</a></span>  <a class="code" href="classripple_1_1BookStep.html#a5fdff2534a10ee38677cbdb5c055c762">cachedOut</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (!<a class="code" href="classripple_1_1BookStep.html#a8c5609aa3c9590f4c559ec93a3808a0f">cache_</a>)</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> boost::none;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a>(<a class="code" href="classripple_1_1BookStep.html#a8c5609aa3c9590f4c559ec93a3808a0f">cache_</a>->out);</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a></div>
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<div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#aa10ac9ca8fbb6813d60be0c7b605698e"> 120</a></span>  <a class="code" href="classripple_1_1BookStep.html#aa10ac9ca8fbb6813d60be0c7b605698e">debtDirection</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb, <a class="code" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fd">StrandDirection</a> dir)<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1BookStep.html#ac6de326d2b18de2d293079abc85d53f5">ownerPaysTransferFee_</a> ? <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a></div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  : <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401ea7e611dd9f79193db43a5e9983752239e">DebtDirection::redeems</a>;</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  boost::optional<Book></div>
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<div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a7f88b34828b85be65b43763eb30e5aeb"> 127</a></span>  <a class="code" href="classripple_1_1BookStep.html#a7f88b34828b85be65b43763eb30e5aeb">bookStepBook</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<boost::optional<Quality></a>, <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a>></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="classripple_1_1BookStep.html#a6c85b65cf273a40c1bec886fa1487e4d">qualityUpperBound</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& v, <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir)</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="classripple_1_1BookStep.html#a2361abd05389001f3c40e19fa667b289">offersUsed</a>() <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<TIn, TOut></a></div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <a class="code" href="classripple_1_1BookStep.html#aa2b69d5c94b1303c7554eadcb0a4b759">revImp</a>(</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& afView,</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  boost::container::flat_set<uint256>& ofrsToRm,</div>
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|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  TOut <span class="keyword">const</span>& out);</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  </div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<TIn, TOut></a></div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="classripple_1_1BookStep.html#ac360725d48ffbe2a589ae0f4ca23c569">fwdImp</a>(</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& afView,</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  boost::container::flat_set<uint256>& ofrsToRm,</div>
|
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  TIn <span class="keyword">const</span>& in);</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<bool, EitherAmount></a></div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="classripple_1_1BookStep.html#a75e0f046afee8b75774801a2e6ffaae0">validFwd</a>(<a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb, <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& afView, <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a> <span class="keyword">const</span>& in)</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// Check for errors frozen constraints.</span></div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="classripple_1_1TERSubset.html">TER</a></div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="classripple_1_1BookStep.html#a68b0358a5053e3f81802c1bfaaaef647">check</a>(<a class="code" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>& ctx) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00162"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ace12c7abd57b6509bed56198d087ac36"> 162</a></span>  <a class="code" href="classripple_1_1BookStep.html#ace12c7abd57b6509bed56198d087ac36">inactive</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1BookStep.html#ae94d993f7db69ca6aaa4517b02292ec0">inactive_</a>;</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  </div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
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<div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ab16dcf7219babffcc905cc5d331aa118"> 169</a></span>  <a class="code" href="classripple_1_1BookStep.html#ab16dcf7219babffcc905cc5d331aa118">logStringImpl</a>(<span class="keywordtype">char</span> <span class="keyword">const</span>* name)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_ostringstream.html">std::ostringstream</a> ostr;</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  ostr << name << <span class="stringliteral">": "</span></div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  << <span class="stringliteral">"\ninIss: "</span> << <a class="code" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code" href="classripple_1_1Book.html#a44f1acfd1d549e7f025f5372fb345f27">in</a>.<a class="code" href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">account</a></div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  << <span class="stringliteral">"\noutIss: "</span> << <a class="code" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code" href="classripple_1_1Book.html#a6992e8a5da385182ec3ab51a0216281a">out</a>.<a class="code" href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">account</a></div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  << <span class="stringliteral">"\ninCur: "</span> << <a class="code" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code" href="classripple_1_1Book.html#a44f1acfd1d549e7f025f5372fb345f27">in</a>.<a class="code" href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">currency</a></div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  << <span class="stringliteral">"\noutCur: "</span> << <a class="code" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code" href="classripple_1_1Book.html#a6992e8a5da385182ec3ab51a0216281a">out</a>.<a class="code" href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">currency</a>;</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">return</span> ostr.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_ostringstream/str.html">str</a>();</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  </div>
|
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">friend</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a1b410d353a7b9ef4829b8bd951aa4cd3"> 182</a></span>  <a class="code" href="classripple_1_1BookStep.html#a1b410d353a7b9ef4829b8bd951aa4cd3">operator==</a>(<a class="code" href="classripple_1_1BookStep.html">BookStep</a> <span class="keyword">const</span>& lhs, <a class="code" href="classripple_1_1BookStep.html">BookStep</a> <span class="keyword">const</span>& rhs)</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  {</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> lhs.<a class="code" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a> == rhs.<a class="code" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>;</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  </div>
|
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">friend</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#aa870ebc3315d3fc49d4b52c5b58fd400"> 188</a></span>  <a class="code" href="classripple_1_1BookStep.html#aa870ebc3315d3fc49d4b52c5b58fd400">operator!=</a>(<a class="code" href="classripple_1_1BookStep.html">BookStep</a> <span class="keyword">const</span>& lhs, <a class="code" href="classripple_1_1BookStep.html">BookStep</a> <span class="keyword">const</span>& rhs)</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  {</div>
|
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> !(lhs == rhs);</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordtype">bool</span></div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="classripple_1_1BookStep.html#a9960216d74d520047bacde5598dac46a">equal</a>(<a class="code" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>& rhs) <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  </div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">// Iterate through the offers at the best quality in a book.</span></div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="comment">// Unfunded offers and bad offers are skipped (and returned).</span></div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// callback is called with the offer SLE, taker pays, taker gets.</span></div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// If callback returns false, don't process any more offers.</span></div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// Return the unfunded and bad offers and the number of offers consumed.</span></div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">template</span> <<span class="keyword">class</span> Callback></div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<boost::container::flat_set<uint256></a>, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a>></div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="classripple_1_1BookStep.html#a7342a15a2176a19d7bfa38396915381c">forEachOffer</a>(</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& afView,</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDebtDir,</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  Callback& callback) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="classripple_1_1BookStep.html#a2d1f925ee2b12c32026c219ab66f533e">consumeOffer</a>(</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <a class="code" href="classripple_1_1TOffer.html">TOffer<TIn, TOut></a>& offer,</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  TAmounts<TIn, TOut> <span class="keyword">const</span>& ofrAmt,</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  TAmounts<TIn, TOut> <span class="keyword">const</span>& stepAmt,</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  TOut <span class="keyword">const</span>& ownerGives) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> };</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  </div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  </div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment">// Flow is used in two different circumstances for transferring funds:</span></div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// o Payments, and</span></div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment">// o Offer crossing.</span></div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment">// The rules for handling funds in these two cases are almost, but not</span></div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment">// quite, the same.</span></div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  </div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment">// Payment BookStep template class (not offer crossing).</span></div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut></div>
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<div class="line"><a name="l00228"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html"> 228</a></span> <span class="keyword">class </span><a class="code" href="classripple_1_1BookPaymentStep.html">BookPaymentStep</a> : <span class="keyword">public</span> <a class="code" href="classripple_1_1BookStep.html">BookStep</a><TIn, TOut, BookPaymentStep<TIn, TOut>></div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> {</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keyword">explicit</span> <a class="code" href="classripple_1_1BookPaymentStep.html#a6f159804765a2fa59a593366d179e51d">BookPaymentStep</a>() = <span class="keywordflow">default</span>;</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  </div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">using</span> <a class="code" href="classripple_1_1BookStep.html">BookStep<TIn, TOut, BookPaymentStep<TIn, TOut></a>><a class="code" href="classripple_1_1BookStep.html#ab23316f1d5eeccb27abb43e2300134f0">::BookStep</a>;</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">using</span> <a class="code" href="classripple_1_1BookStep.html">BookStep<TIn, TOut, BookPaymentStep<TIn, TOut></a>><a class="code" href="classripple_1_1BookStep.html#a6c85b65cf273a40c1bec886fa1487e4d">::qualityUpperBound</a>;</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  </div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// Never limit self cross quality on a payment.</span></div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#ae02823b1c6617a7f097c04dc8e91e3ec"> 238</a></span>  <a class="code" href="classripple_1_1BookPaymentStep.html#ae02823b1c6617a7f097c04dc8e91e3ec">limitSelfCrossQuality</a>(</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&,</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&,</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <a class="code" href="classripple_1_1TOffer.html">TOffer<TIn, TOut></a> <span class="keyword">const</span>& offer,</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  boost::optional<Quality>&,</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <a class="code" href="classripple_1_1FlowOfferStream.html">FlowOfferStream<TIn, TOut></a>&,</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordtype">bool</span>)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  </div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// A payment can look at offers of any quality</span></div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00251"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#ad823813b15b02fe79804d9d716a261ca"> 251</a></span>  <a class="code" href="classripple_1_1BookPaymentStep.html#ad823813b15b02fe79804d9d716a261ca">checkQualityThreshold</a>(<a class="code" href="classripple_1_1TOffer.html">TOffer<TIn, TOut></a> <span class="keyword">const</span>& offer)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">// For a payment ofrInRate is always the same as trIn.</span></div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
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<div class="line"><a name="l00258"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#abc1480d1d61af73ac0bd15731f042334"> 258</a></span>  <a class="code" href="classripple_1_1BookPaymentStep.html#abc1480d1d61af73ac0bd15731f042334">getOfrInRate</a>(<a class="code" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>*, <a class="code" href="classripple_1_1TOffer.html">TOffer<TIn, TOut></a> <span class="keyword">const</span>&, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> trIn)<span class="keyword"></span></div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="keyword"> const</span></div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">return</span> trIn;</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  }</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  </div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="comment">// For a payment ofrOutRate is always the same as trOut.</span></div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
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<div class="line"><a name="l00266"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#a9538e9b441c4184567f657bec6ab1969"> 266</a></span>  <a class="code" href="classripple_1_1BookPaymentStep.html#a9538e9b441c4184567f657bec6ab1969">getOfrOutRate</a>(</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <a class="code" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>*,</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <a class="code" href="classripple_1_1TOffer.html">TOffer<TIn, TOut></a> <span class="keyword">const</span>&,</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&,</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> trOut)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">return</span> trOut;</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  </div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  Quality</div>
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<div class="line"><a name="l00276"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#a52ae77cacac31af0cbd37ef00475ef65"> 276</a></span>  <a class="code" href="classripple_1_1BookPaymentStep.html#a52ae77cacac31af0cbd37ef00475ef65">adjustQualityWithFees</a>(</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& v,</div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  Quality <span class="keyword">const</span>& ofrQ,</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="comment">// Charge the offer owner, not the sender</span></div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">// Charge a fee even if the owner is the same as the issuer</span></div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="comment">// (the old code does not charge a fee)</span></div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// Calculate amount that goes to the taker and the amount charged the</span></div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// offer owner</span></div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">auto</span> rate = [&](<a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>& id) {</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(<span class="keywordtype">id</span>) || <span class="keywordtype">id</span> == this-><a class="code" href="classripple_1_1BookStep.html#aca9d4f2a380bfab569355b12fbbab6ee">strandDst_</a>)</div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a8ca9b43bfc508a3fdbc296fb926320ce">parityRate</a>;</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a9ad0749604cda5299e9af18bf08cb830">transferRate</a>(v, <span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  };</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  </div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keyword">auto</span> <span class="keyword">const</span> trIn =</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(prevStepDir) ? rate(this-><a class="code" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code" href="classripple_1_1Book.html#a44f1acfd1d549e7f025f5372fb345f27">in</a>.<a class="code" href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">account</a>) : <a class="code" href="namespaceripple.html#a8ca9b43bfc508a3fdbc296fb926320ce">parityRate</a>;</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="comment">// Always charge the transfer fee, even if the owner is the issuer</span></div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keyword">auto</span> <span class="keyword">const</span> trOut = this-><a class="code" href="classripple_1_1BookStep.html#ac6de326d2b18de2d293079abc85d53f5">ownerPaysTransferFee_</a></div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  ? rate(this-><a class="code" href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">book_</a>.<a class="code" href="classripple_1_1Book.html#a6992e8a5da385182ec3ab51a0216281a">out</a>.<a class="code" href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">account</a>)</div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  : <a class="code" href="namespaceripple.html#a8ca9b43bfc508a3fdbc296fb926320ce">parityRate</a>;</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  </div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  Quality <span class="keyword">const</span> q1{<a class="code" href="namespaceripple.html#a73cc988e7ba5d5ee0fd9db53740917ec">getRate</a>(<a class="code" href="classripple_1_1STAmount.html">STAmount</a>(trOut.value), <a class="code" href="classripple_1_1STAmount.html">STAmount</a>(trIn.value))};</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a7c8945b5034bba5f9df719cff2503495">composed_quality</a>(q1, ofrQ);</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  </div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
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<div class="line"><a name="l00304"></a><span class="lineno"><a class="line" href="classripple_1_1BookPaymentStep.html#af3e9a302e1861861117aec346a5c83e0"> 304</a></span>  <a class="code" href="classripple_1_1BookPaymentStep.html#af3e9a302e1861861117aec346a5c83e0">logString</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">return</span> this-><a class="code" href="classripple_1_1BookStep.html#ab16dcf7219babffcc905cc5d331aa118">logStringImpl</a>(<span class="stringliteral">"BookPaymentStep"</span>);</div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</div>
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> };</div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment">// Offer crossing BookStep template class (not a payment).</span></div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut></div>
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<div class="line"><a name="l00312"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html"> 312</a></span> <span class="keyword">class </span><a class="code" href="classripple_1_1BookOfferCrossingStep.html">BookOfferCrossingStep</a></div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  : <span class="keyword">public</span> <a class="code" href="classripple_1_1BookStep.html">BookStep</a><TIn, TOut, BookOfferCrossingStep<TIn, TOut>></div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> {</div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keyword">using</span> <a class="code" href="classripple_1_1BookStep.html">BookStep<TIn, TOut, BookOfferCrossingStep<TIn, TOut></a>><a class="code" href="classripple_1_1BookStep.html#a6c85b65cf273a40c1bec886fa1487e4d">::</a></div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <a class="code" href="classripple_1_1BookStep.html#a6c85b65cf273a40c1bec886fa1487e4d"> qualityUpperBound</a>;</div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  </div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="comment">// Helper function that throws if the optional passed to the constructor</span></div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="comment">// is none.</span></div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keyword">static</span> Quality</div>
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<div class="line"><a name="l00322"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#adedf43c92066467f8b31db6602aad195"> 322</a></span>  <a class="code" href="classripple_1_1BookOfferCrossingStep.html#adedf43c92066467f8b31db6602aad195">getQuality</a>(boost::optional<Quality> <span class="keyword">const</span>& limitQuality)</div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  {</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">// It's really a programming error if the quality is missing.</span></div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  assert(limitQuality);</div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">if</span> (!limitQuality)</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  Throw<FlowException>(<a class="code" href="namespaceripple.html#a75cb21d7f1df42f2fdc8efddb79b63f4ad035d214edc31c72362d7efbdaba234c">tefINTERNAL</a>, <span class="stringliteral">"Offer requires quality."</span>);</div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">return</span> *limitQuality;</div>
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  }</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  </div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00332"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a0e77f31ed38237773634e5dc858528ef"> 332</a></span>  <a class="code" href="classripple_1_1BookOfferCrossingStep.html#a0e77f31ed38237773634e5dc858528ef">BookOfferCrossingStep</a>(</div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <a class="code" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>& ctx,</div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>& in,</div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>& out)</div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  : <a class="code" href="classripple_1_1BookStep.html">BookStep</a><TIn, TOut, <a class="code" href="classripple_1_1BookOfferCrossingStep.html">BookOfferCrossingStep</a><TIn, TOut>>(ctx, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>)</div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  , <a class="code" href="classripple_1_1BookOfferCrossingStep.html#a9c5aa8d405f8115d99067dd75deb0a99">defaultPath_</a>(ctx.<a class="code" href="namespaceripple.html#a64db4e9a01a15836948b70c1689ef2ca">isDefaultPath</a>)</div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  , <a class="code" href="classripple_1_1BookOfferCrossingStep.html#a600754881934fd1c6013062009600d2f">qualityThreshold_</a>(<a class="code" href="classripple_1_1BookOfferCrossingStep.html#adedf43c92066467f8b31db6602aad195">getQuality</a>(ctx.limitQuality))</div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  {</div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  }</div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  </div>
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<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00343"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a0db591850913f730b98a9ba2f4c42176"> 343</a></span>  <a class="code" href="classripple_1_1BookOfferCrossingStep.html#a0db591850913f730b98a9ba2f4c42176">limitSelfCrossQuality</a>(</div>
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<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>& strandSrc,</div>
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>& strandDst,</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <a class="code" href="classripple_1_1TOffer.html">TOffer<TIn, TOut></a> <span class="keyword">const</span>& offer,</div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  boost::optional<Quality>& ofrQ,</div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <a class="code" href="classripple_1_1FlowOfferStream.html">FlowOfferStream<TIn, TOut></a>& offers,</div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordtype">bool</span> <span class="keyword">const</span> offerAttempted)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="comment">// This method supports some correct but slightly surprising</span></div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="comment">// behavior in offer crossing. The scenario:</span></div>
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="comment">// o alice has already created one or more offers.</span></div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="comment">// o alice creates another offer that can be directly crossed (not</span></div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="comment">// autobridged) by one or more of her previously created offer(s).</span></div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="comment">// What does the offer crossing do?</span></div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="comment">// o The offer crossing could go ahead and cross the offers leaving</span></div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="comment">// either one reduced offer (partial crossing) or zero offers</span></div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="comment">// (exact crossing) in the ledger. We don't do this. And, really,</span></div>
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="comment">// the offer creator probably didn't want us to.</span></div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="comment">// o We could skip over the self offer in the book and only cross</span></div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="comment">// offers that are not our own. This would make a lot of sense,</span></div>
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="comment">// but we don't do it. Part of the rationale is that we can only</span></div>
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<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="comment">// operate on the tip of the order book. We can't leave an offer</span></div>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="comment">// behind -- it would sit on the tip and block access to other</span></div>
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="comment">// offers.</span></div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="comment">// o We could delete the self-crossable offer(s) off the tip of the</span></div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="comment">// book and continue with offer crossing. That's what we do.</span></div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="comment">// To support this scenario offer crossing has a special rule. If:</span></div>
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<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="comment">// a. We're offer crossing using default path (no autobridging), and</span></div>
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<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="comment">// b. The offer's quality is at least as good as our quality, and</span></div>
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<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="comment">// c. We're about to cross one of our own offers, then</span></div>
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<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="comment">// d. Delete the old offer from the ledger.</span></div>
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<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span> (<a class="code" href="classripple_1_1BookOfferCrossingStep.html#a9c5aa8d405f8115d99067dd75deb0a99">defaultPath_</a> && offer.quality() >= <a class="code" href="classripple_1_1BookOfferCrossingStep.html#a600754881934fd1c6013062009600d2f">qualityThreshold_</a> &&</div>
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<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  strandSrc == offer.owner() && strandDst == offer.owner())</div>
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<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  {</div>
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<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="comment">// Remove this offer even if no crossing occurs.</span></div>
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<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  offers.permRmOffer(offer.<a class="code" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>());</div>
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<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  </div>
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<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="comment">// If no offers have been attempted yet then it's okay to move to</span></div>
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<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="comment">// a different quality.</span></div>
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<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">if</span> (!offerAttempted)</div>
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<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  ofrQ = boost::none;</div>
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<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  </div>
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<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="comment">// Return true so the current offer will be deleted.</span></div>
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<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  }</div>
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<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  }</div>
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<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  </div>
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<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="comment">// Offer crossing can prune the offers it needs to look at with a</span></div>
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<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="comment">// quality threshold.</span></div>
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<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00400"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#aeb1b67df199c0693fe59d40561f99e76"> 400</a></span>  <a class="code" href="classripple_1_1BookOfferCrossingStep.html#aeb1b67df199c0693fe59d40561f99e76">checkQualityThreshold</a>(<a class="code" href="classripple_1_1TOffer.html">TOffer<TIn, TOut></a> <span class="keyword">const</span>& offer)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">return</span> !<a class="code" href="classripple_1_1BookOfferCrossingStep.html#a9c5aa8d405f8115d99067dd75deb0a99">defaultPath_</a> || offer.quality() >= <a class="code" href="classripple_1_1BookOfferCrossingStep.html#a600754881934fd1c6013062009600d2f">qualityThreshold_</a>;</div>
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<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  }</div>
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<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  </div>
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<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="comment">// For offer crossing don't pay the transfer fee if alice is paying alice.</span></div>
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<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="comment">// A regular (non-offer-crossing) payment does not apply this rule.</span></div>
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<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
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<div class="line"><a name="l00408"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a42b35ba6f25f09390f197f21da10742d"> 408</a></span>  <a class="code" href="classripple_1_1BookOfferCrossingStep.html#a42b35ba6f25f09390f197f21da10742d">getOfrInRate</a>(</div>
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<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <a class="code" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>* prevStep,</div>
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<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <a class="code" href="classripple_1_1TOffer.html">TOffer<TIn, TOut></a> <span class="keyword">const</span>& offer,</div>
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<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> trIn)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keyword">auto</span> <span class="keyword">const</span> srcAcct =</div>
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<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  prevStep ? prevStep-><a class="code" href="classripple_1_1Step.html#a98fda1ca2b88444baa3db59720953ea2">directStepSrcAcct</a>() : boost::none;</div>
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<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  </div>
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<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span> <span class="comment">// If offer crossing</span></div>
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<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  srcAcct && <span class="comment">// && prevStep is DirectI</span></div>
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<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  offer.owner() == *srcAcct <span class="comment">// && src is offer owner</span></div>
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<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  ? QUALITY_ONE</div>
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<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  : trIn; <span class="comment">// then rate = QUALITY_ONE</span></div>
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<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  }</div>
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<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  </div>
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<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="comment">// See comment on getOfrInRate().</span></div>
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<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
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<div class="line"><a name="l00425"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a8b48228284fea330ac1ee3d966bace8e"> 425</a></span>  <a class="code" href="classripple_1_1BookOfferCrossingStep.html#a8b48228284fea330ac1ee3d966bace8e">getOfrOutRate</a>(</div>
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<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <a class="code" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>* prevStep,</div>
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<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <a class="code" href="classripple_1_1TOffer.html">TOffer<TIn, TOut></a> <span class="keyword">const</span>& offer,</div>
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<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>& strandDst,</div>
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<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> trOut)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">return</span> <span class="comment">// If offer crossing</span></div>
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<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  prevStep && prevStep-><a class="code" href="classripple_1_1Step.html#a0e2523f5403b4e921c6338c02bdfac70">bookStepBook</a>() && <span class="comment">// && prevStep is BookStep</span></div>
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<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  offer.owner() == strandDst <span class="comment">// && dest is offer owner</span></div>
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<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  ? QUALITY_ONE</div>
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<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  : trOut; <span class="comment">// then rate = QUALITY_ONE</span></div>
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<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  }</div>
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<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  </div>
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<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  Quality</div>
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<div class="line"><a name="l00439"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a97539be753f0b82b0b7a158645816f11"> 439</a></span>  <a class="code" href="classripple_1_1BookOfferCrossingStep.html#a97539be753f0b82b0b7a158645816f11">adjustQualityWithFees</a>(</div>
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<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& v,</div>
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<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  Quality <span class="keyword">const</span>& ofrQ,</div>
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<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="comment">// Offer x-ing does not charge a transfer fee when the offer's owner</span></div>
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<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="comment">// is the same as the strand dst. It is important that</span></div>
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<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="comment">// `qualityUpperBound` is an upper bound on the quality (it is used to</span></div>
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<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="comment">// ignore strands whose quality cannot meet a minimum threshold). When</span></div>
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<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="comment">// calculating quality assume no fee is charged, or the estimate will no</span></div>
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<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="comment">// longer be an upper bound.</span></div>
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<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">return</span> ofrQ;</div>
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<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  }</div>
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<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  </div>
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<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
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<div class="line"><a name="l00454"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a44f67791a0ab19c59c65fc086292b8ab"> 454</a></span>  <a class="code" href="classripple_1_1BookOfferCrossingStep.html#a44f67791a0ab19c59c65fc086292b8ab">logString</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">return</span> this-><a class="code" href="classripple_1_1BookStep.html#ab16dcf7219babffcc905cc5d331aa118">logStringImpl</a>(<span class="stringliteral">"BookOfferCrossingStep"</span>);</div>
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<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  }</div>
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<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  </div>
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<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00460"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a9c5aa8d405f8115d99067dd75deb0a99"> 460</a></span>  <span class="keywordtype">bool</span> <span class="keyword">const</span> <a class="code" href="classripple_1_1BookOfferCrossingStep.html#a9c5aa8d405f8115d99067dd75deb0a99">defaultPath_</a>;</div>
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<div class="line"><a name="l00461"></a><span class="lineno"><a class="line" href="classripple_1_1BookOfferCrossingStep.html#a600754881934fd1c6013062009600d2f"> 461</a></span>  Quality <span class="keyword">const</span> <a class="code" href="classripple_1_1BookOfferCrossingStep.html#a600754881934fd1c6013062009600d2f">qualityThreshold_</a>;</div>
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<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> };</div>
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<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  </div>
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<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  </div>
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<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived></div>
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<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00468"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a9960216d74d520047bacde5598dac46a"> 468</a></span> <a class="code" href="classripple_1_1BookStep.html#a9960216d74d520047bacde5598dac46a">BookStep<TIn, TOut, TDerived>::equal</a>(<a class="code" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>& rhs)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">if</span> (<span class="keyword">auto</span> bs = <span class="keyword">dynamic_cast<</span><a class="code" href="classripple_1_1BookStep.html">BookStep<TIn, TOut, TDerived></a> const*<span class="keyword">></span>(&rhs))</div>
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<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordflow">return</span> book_ == bs->book_;</div>
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<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> }</div>
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<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  </div>
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<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived></div>
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<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<boost::optional<Quality></a>, <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a>></div>
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<div class="line"><a name="l00477"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a6c85b65cf273a40c1bec886fa1487e4d"> 477</a></span> <a class="code" href="classripple_1_1BookStep.html#a6c85b65cf273a40c1bec886fa1487e4d">BookStep<TIn, TOut, TDerived>::qualityUpperBound</a>(</div>
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<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& v,</div>
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<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keyword">auto</span> <span class="keyword">const</span> dir = this->debtDirection(v, <a class="code" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda965dbaac085fc891bfbbd4f9d145bbc8">StrandDirection::forward</a>);</div>
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<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  </div>
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<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="comment">// This can be simplified (and sped up) if directories are never empty.</span></div>
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<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <a class="code" href="classripple_1_1Sandbox.html">Sandbox</a> sb(&v, <a class="code" href="namespaceripple.html#ad2487abbcc1a5d6064b72144b461df6eaf77cbea9706ce2ee7fdf5a85efbf70c5">tapNONE</a>);</div>
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<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <a class="code" href="classripple_1_1BookTip.html">BookTip</a> bt(sb, book_);</div>
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<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">if</span> (!bt.<a class="code" href="classripple_1_1BookTip.html#a397775ff95cf391a6cdc71bf0bfd1082">step</a>(j_))</div>
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<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">return</span> {boost::none, dir};</div>
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<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  </div>
|
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<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  Quality <span class="keyword">const</span> q = <span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->adjustQualityWithFees(</div>
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<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  v, bt.<a class="code" href="classripple_1_1BookTip.html#acf5d7b7cd82eefaad45aa37c15ea6f56">quality</a>(), prevStepDir);</div>
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<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordflow">return</span> {q, dir};</div>
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<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> }</div>
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<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  </div>
|
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<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived></div>
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<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
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<div class="line"><a name="l00496"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a2361abd05389001f3c40e19fa667b289"> 496</a></span> <a class="code" href="classripple_1_1BookStep.html#a2361abd05389001f3c40e19fa667b289">BookStep<TIn, TOut, TDerived>::offersUsed</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">return</span> offersUsed_;</div>
|
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<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> }</div>
|
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<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  </div>
|
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<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="comment">// Adjust the offer amount and step amount subject to the given input limit</span></div>
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<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut></div>
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<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00504"></a><span class="lineno"><a class="line" href="namespaceripple.html#abf42dc81fcebb9867acdb5df7730ed56"> 504</a></span> <a class="code" href="namespaceripple.html#abf42dc81fcebb9867acdb5df7730ed56">limitStepIn</a>(</div>
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<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  Quality <span class="keyword">const</span>& ofrQ,</div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  TAmounts<TIn, TOut>& ofrAmt,</div>
|
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<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  TAmounts<TIn, TOut>& stpAmt,</div>
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<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  TOut& ownerGives,</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateIn,</div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateOut,</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  TIn <span class="keyword">const</span>& limit)</div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> {</div>
|
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<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">if</span> (limit < stpAmt.in)</div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  {</div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  stpAmt.in = limit;</div>
|
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<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keyword">auto</span> <span class="keyword">const</span> inLmt =</div>
|
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<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(stpAmt.in, QUALITY_ONE, transferRateIn, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  ofrAmt = ofrQ.ceil_in(ofrAmt, inLmt);</div>
|
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<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  stpAmt.out = ofrAmt.out;</div>
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<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  ownerGives = <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(</div>
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<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  ofrAmt.out, transferRateOut, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
|
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<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  }</div>
|
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<div class="line"><a name="l00523"></a><span class="lineno"> 523</span> }</div>
|
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<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  </div>
|
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<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> <span class="comment">// Adjust the offer amount and step amount subject to the given output limit</span></div>
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<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut></div>
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<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00528"></a><span class="lineno"><a class="line" href="namespaceripple.html#a7ae29d6afe7ae8560c7b6c106b2e7826"> 528</a></span> <a class="code" href="namespaceripple.html#a7ae29d6afe7ae8560c7b6c106b2e7826">limitStepOut</a>(</div>
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<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  Quality <span class="keyword">const</span>& ofrQ,</div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  TAmounts<TIn, TOut>& ofrAmt,</div>
|
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  TAmounts<TIn, TOut>& stpAmt,</div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  TOut& ownerGives,</div>
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<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateIn,</div>
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<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateOut,</div>
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|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  TOut <span class="keyword">const</span>& limit)</div>
|
|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> {</div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keywordflow">if</span> (limit < stpAmt.out)</div>
|
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  {</div>
|
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<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  stpAmt.out = limit;</div>
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|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  ownerGives = <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(</div>
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<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  stpAmt.out, transferRateOut, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  ofrAmt = ofrQ.ceil_out(ofrAmt, stpAmt.out);</div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  stpAmt.in =</div>
|
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<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(ofrAmt.in, transferRateIn, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  }</div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span> }</div>
|
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<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  </div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived></div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span> <span class="keyword">template</span> <<span class="keyword">class</span> Callback></div>
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<div class="line"><a name="l00550"></a><span class="lineno"> 550</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<boost::container::flat_set<uint256></a>, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a>></div>
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<div class="line"><a name="l00551"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a7342a15a2176a19d7bfa38396915381c"> 551</a></span> <a class="code" href="classripple_1_1BookStep.html#a7342a15a2176a19d7bfa38396915381c">BookStep<TIn, TOut, TDerived>::forEachOffer</a>(</div>
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<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
|
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<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& afView,</div>
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<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir,</div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  Callback& callback)<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="comment">// Charge the offer owner, not the sender</span></div>
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|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="comment">// Charge a fee even if the owner is the same as the issuer</span></div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="comment">// (the old code does not charge a fee)</span></div>
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|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="comment">// Calculate amount that goes to the taker and the amount charged the offer</span></div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="comment">// owner</span></div>
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|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keyword">auto</span> rate = [<span class="keyword">this</span>, &sb](<a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>& id) -> <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> {</div>
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|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(<span class="keywordtype">id</span>) || <span class="keywordtype">id</span> == this->strandDst_)</div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">return</span> QUALITY_ONE;</div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a9ad0749604cda5299e9af18bf08cb830">transferRate</a>(sb, <span class="keywordtype">id</span>).<a class="code" href="structripple_1_1Rate.html#a59fd441d04e641347e6dc62c2301f671">value</a>;</div>
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|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  };</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  </div>
|
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<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> trIn =</div>
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<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  <a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(prevStepDir) ? rate(book_.in.account) : QUALITY_ONE;</div>
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|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="comment">// Always charge the transfer fee, even if the owner is the issuer</span></div>
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|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> trOut =</div>
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<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  ownerPaysTransferFee_ ? rate(book_.out.account) : QUALITY_ONE;</div>
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|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  </div>
|
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<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="keyword">typename</span> <a class="code" href="classripple_1_1TOfferStreamBase_1_1StepCounter.html">FlowOfferStream<TIn, TOut>::StepCounter</a> counter(</div>
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<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  maxOffersToConsume_, j_);</div>
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<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  </div>
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<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <a class="code" href="classripple_1_1FlowOfferStream.html">FlowOfferStream<TIn, TOut></a> offers(</div>
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|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  sb, afView, book_, sb.<a class="code" href="classripple_1_1ReadView.html#a1427aa6cbbda99c50b9ca0ebf6e0d0b3">parentCloseTime</a>(), counter, j_);</div>
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<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  </div>
|
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<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keywordtype">bool</span> <span class="keyword">const</span> flowCross = afView.<a class="code" href="classripple_1_1ReadView.html#aaf2fa03be723bb78d8bdf41614a75a30">rules</a>().<a class="code" href="classripple_1_1Rules.html#a7d7f2142bf5c4a4ddf9fba8eb6c2aebd">enabled</a>(<a class="code" href="namespaceripple.html#a2cb56a55020f266d207ee04d66cc97ae">featureFlowCross</a>);</div>
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|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keywordtype">bool</span> offerAttempted = <span class="keyword">false</span>;</div>
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|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  boost::optional<Quality> ofrQ;</div>
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<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">while</span> (offers.step())</div>
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|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  {</div>
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|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keyword">auto</span>& offer = offers.tip();</div>
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|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  </div>
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|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="comment">// Note that offer.quality() returns a (non-optional) Quality. So</span></div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="comment">// ofrQ is always safe to use below this point in the loop.</span></div>
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|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">if</span> (!ofrQ)</div>
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<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  ofrQ = offer.quality();</div>
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<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*ofrQ != offer.quality())</div>
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<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  </div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keywordflow">if</span> (<span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->limitSelfCrossQuality(</div>
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|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  strandSrc_, strandDst_, offer, ofrQ, offers, offerAttempted))</div>
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|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  </div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <span class="comment">// Make sure offer owner has authorization to own IOUs from issuer.</span></div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="comment">// An account can always own XRP or their own IOUs.</span></div>
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|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keywordflow">if</span> (flowCross && (!<a class="code" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(offer.issueIn().currency)) &&</div>
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|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  (offer.owner() != offer.issueIn().account))</div>
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|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  {</div>
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|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <span class="keyword">auto</span> <span class="keyword">const</span>& issuerID = offer.issueIn().account;</div>
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|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="keyword">auto</span> <span class="keyword">const</span> issuer = afView.<a class="code" href="classripple_1_1ReadView.html#a3351e0244f921234d5ba005a07ddf539">read</a>(<a class="code" href="namespaceripple_1_1keylet.html#a50c370db96b4fdcdd202d9c2c38afce9">keylet::account</a>(issuerID));</div>
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|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keywordflow">if</span> (issuer && ((*issuer)[<a class="code" href="namespaceripple.html#ac1371098a8a7c1e1238290d0220dc941">sfFlags</a>] & <a class="code" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a44c3bc643086a0beb87e3aaeb544e6ad">lsfRequireAuth</a>))</div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  {</div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="comment">// Issuer requires authorization. See if offer owner has that.</span></div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <span class="keyword">auto</span> <span class="keyword">const</span>& ownerID = offer.owner();</div>
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|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keyword">auto</span> <span class="keyword">const</span> authFlag =</div>
|
|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  issuerID > ownerID ? <a class="code" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5ae6db21adf463a223e362b44f0fd54663">lsfHighAuth</a> : <a class="code" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5af37617abe9ad741cd823746961f1fb3a">lsfLowAuth</a>;</div>
|
|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  </div>
|
|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="keyword">auto</span> <span class="keyword">const</span> line = afView.<a class="code" href="classripple_1_1ReadView.html#a3351e0244f921234d5ba005a07ddf539">read</a>(</div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <a class="code" href="namespaceripple_1_1keylet.html#ad7913ec52c58534ee1601ab21956123f">keylet::line</a>(ownerID, issuerID, offer.issueIn().currency));</div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  </div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordflow">if</span> (!line || (((*line)[<a class="code" href="namespaceripple.html#ac1371098a8a7c1e1238290d0220dc941">sfFlags</a>] & authFlag) == 0))</div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  {</div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="comment">// Offer owner not authorized to hold IOU from issuer.</span></div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="comment">// Remove this offer even if no crossing occurs.</span></div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  offers.permRmOffer(offer.<a class="code" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>());</div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="keywordflow">if</span> (!offerAttempted)</div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="comment">// Change quality only if no previous offers were tried.</span></div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  ofrQ = boost::none;</div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="comment">// This continue causes offers.step() to delete the offer.</span></div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  }</div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  }</div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  }</div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  </div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keywordflow">if</span> (!<span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->checkQualityThreshold(offer))</div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  </div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keyword">auto</span> <span class="keyword">const</span> ofrInRate = <span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->getOfrInRate(</div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  prevStep_, offer, trIn);</div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  </div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keyword">auto</span> <span class="keyword">const</span> ofrOutRate =</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->getOfrOutRate(</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  prevStep_, offer, strandDst_, trOut);</div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  </div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keyword">auto</span> ofrAmt = offer.amount();</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  TAmounts stpAmt{</div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(ofrAmt.in, ofrInRate, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>),</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  ofrAmt.out};</div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  </div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <span class="comment">// owner pays the transfer fee.</span></div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keyword">auto</span> ownerGives =</div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(ofrAmt.out, ofrOutRate, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  </div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="keyword">auto</span> <span class="keyword">const</span> funds = (offer.owner() == offer.issueOut().account)</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  ? ownerGives <span class="comment">// Offer owner is issuer; they have unlimited funds</span></div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  : offers.ownerFunds();</div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  </div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="keywordflow">if</span> (funds < ownerGives)</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  {</div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="comment">// We already know offer.owner()!=offer.issueOut().account</span></div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  ownerGives = funds;</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  stpAmt.out = <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(</div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  ownerGives, QUALITY_ONE, ofrOutRate, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  ofrAmt = ofrQ->ceil_out(ofrAmt, stpAmt.out);</div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  stpAmt.in =</div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(ofrAmt.in, ofrInRate, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  }</div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  </div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  offerAttempted = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  <span class="keywordflow">if</span> (!callback(offer, ofrAmt, stpAmt, ownerGives, ofrInRate, ofrOutRate))</div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  }</div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  </div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keywordflow">return</span> {offers.permToRemove(), counter.<a class="code" href="classripple_1_1TOfferStreamBase_1_1StepCounter.html#afa54b3e228261c77bd99b202aeca92bc">count</a>()};</div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span> }</div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  </div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived></div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a2d1f925ee2b12c32026c219ab66f533e"> 673</a></span> <a class="code" href="classripple_1_1BookStep.html#a2d1f925ee2b12c32026c219ab66f533e">BookStep<TIn, TOut, TDerived>::consumeOffer</a>(</div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <a class="code" href="classripple_1_1TOffer.html">TOffer<TIn, TOut></a>& offer,</div>
|
|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  TAmounts<TIn, TOut> <span class="keyword">const</span>& ofrAmt,</div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  TAmounts<TIn, TOut> <span class="keyword">const</span>& stepAmt,</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  TOut <span class="keyword">const</span>& ownerGives)<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="comment">// The offer owner gets the ofrAmt. The difference between ofrAmt and</span></div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="comment">// stepAmt is a transfer fee that goes to book_.in.account</span></div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  {</div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keyword">auto</span> <span class="keyword">const</span> dr = <a class="code" href="namespaceripple.html#a472fcd13e6425ea4a92cd9a03f68bd58">accountSend</a>(</div>
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|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  sb,</div>
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<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  book_.in.account,</div>
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<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  offer.owner(),</div>
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<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <a class="code" href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">toSTAmount</a>(ofrAmt.in, book_.in),</div>
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<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  j_);</div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <span class="keywordflow">if</span> (dr != <a class="code" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>)</div>
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|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  Throw<FlowException>(dr);</div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  }</div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  </div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="comment">// The offer owner pays `ownerGives`. The difference between ownerGives and</span></div>
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|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="comment">// stepAmt is a transfer fee that goes to book_.out.account</span></div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  {</div>
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|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <span class="keyword">auto</span> <span class="keyword">const</span> cr = <a class="code" href="namespaceripple.html#a472fcd13e6425ea4a92cd9a03f68bd58">accountSend</a>(</div>
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|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  sb,</div>
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|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  offer.owner(),</div>
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<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  book_.out.account,</div>
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<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  <a class="code" href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">toSTAmount</a>(ownerGives, book_.out),</div>
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<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  j_);</div>
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<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keywordflow">if</span> (cr != <a class="code" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>)</div>
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|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  Throw<FlowException>(cr);</div>
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|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  }</div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  </div>
|
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  offer.consume(sb, ofrAmt);</div>
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|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span> }</div>
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|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  </div>
|
|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> <span class="keyword">template</span> <<span class="keyword">class</span> TCollection></div>
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|
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span> <span class="keyword">static</span> <span class="keyword">auto</span></div>
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<div class="line"><a name="l00711"></a><span class="lineno"><a class="line" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7"> 711</a></span> <a class="code" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(TCollection <span class="keyword">const</span>& col)</div>
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<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> {</div>
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|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keyword">using</span> TResult = <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/decay.html">std::decay_t</a><decltype(*col.begin())>;</div>
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|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="keywordflow">if</span> (col.empty())</div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="keywordflow">return</span> TResult{beast::zero};</div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="keywordflow">return</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/accumulate.html">std::accumulate</a>(col.begin() + 1, col.end(), *col.begin());</div>
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|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span> };</div>
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|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  </div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived></div>
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|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<TIn, TOut></a></div>
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|
<div class="line"><a name="l00721"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#aa2b69d5c94b1303c7554eadcb0a4b759"> 721</a></span> <a class="code" href="classripple_1_1BookStep.html#aa2b69d5c94b1303c7554eadcb0a4b759">BookStep<TIn, TOut, TDerived>::revImp</a>(</div>
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<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
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|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& afView,</div>
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|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  boost::container::flat_set<uint256>& ofrsToRm,</div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  TOut <span class="keyword">const</span>& out)</div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span> {</div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  cache_.reset();</div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  </div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  TAmounts<TIn, TOut> result(beast::zero, beast::zero);</div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  </div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="keyword">auto</span> remainingOut = <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>;</div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  </div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  boost::container::flat_multiset<TIn> savedIns;</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  savedIns.reserve(64);</div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  boost::container::flat_multiset<TOut> savedOuts;</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  savedOuts.reserve(64);</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  </div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <span class="comment">/* amt fed will be adjusted by owner funds (and may differ from the offer's</span></div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> <span class="comment"> amounts - tho always <=)</span></div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> <span class="comment"> Return true to continue to receive offers, false to stop receiving offers.</span></div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <span class="keyword">auto</span> eachOffer = [&](<a class="code" href="classripple_1_1TOffer.html">TOffer<TIn, TOut></a>& offer,</div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  TAmounts<TIn, TOut> <span class="keyword">const</span>& ofrAmt,</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  TAmounts<TIn, TOut> <span class="keyword">const</span>& stpAmt,</div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  TOut <span class="keyword">const</span>& ownerGives,</div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateIn,</div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateOut) <span class="keyword">mutable</span> -> <span class="keywordtype">bool</span> {</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <span class="keywordflow">if</span> (remainingOut <= beast::zero)</div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  </div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <span class="keywordflow">if</span> (stpAmt.out <= remainingOut)</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  {</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  savedIns.insert(stpAmt.in);</div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  savedOuts.insert(stpAmt.out);</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  result = TAmounts<TIn, TOut>(<a class="code" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedIns), <a class="code" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedOuts));</div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  remainingOut = <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a> - result.out;</div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  this->consumeOffer(sb, offer, ofrAmt, stpAmt, ownerGives);</div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  <span class="comment">// return true b/c even if the payment is satisfied,</span></div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="comment">// we need to consume the offer</span></div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  }</div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  {</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keyword">auto</span> ofrAdjAmt = ofrAmt;</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="keyword">auto</span> stpAdjAmt = stpAmt;</div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="keyword">auto</span> ownerGivesAdj = ownerGives;</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <a class="code" href="namespaceripple.html#a7ae29d6afe7ae8560c7b6c106b2e7826">limitStepOut</a>(</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  offer.quality(),</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  ofrAdjAmt,</div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  stpAdjAmt,</div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  ownerGivesAdj,</div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  transferRateIn,</div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  transferRateOut,</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  remainingOut);</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  remainingOut = beast::zero;</div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  savedIns.insert(stpAdjAmt.in);</div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  savedOuts.insert(remainingOut);</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  result.in = <a class="code" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedIns);</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  result.out = <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>;</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  this->consumeOffer(sb, offer, ofrAdjAmt, stpAdjAmt, ownerGivesAdj);</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  </div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="comment">// Explicitly check whether the offer is funded. Given that we have</span></div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  <span class="comment">// (stpAmt.out > remainingOut), it's natural to assume the offer</span></div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <span class="comment">// will still be funded after consuming remainingOut but that is</span></div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  <span class="comment">// not always the case. If the mantissas of two IOU amounts differ</span></div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  <span class="comment">// by less than ten, then subtracting them leaves a zero.</span></div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  <span class="keywordflow">return</span> offer.fully_consumed();</div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  }</div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  };</div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  </div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  {</div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keyword">auto</span> <span class="keyword">const</span> prevStepDebtDir = [&] {</div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="keywordflow">if</span> (prevStep_)</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="keywordflow">return</span> prevStep_->debtDirection(sb, <a class="code" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda4d9c2073afa3c2abb817dceb22c34de6">StrandDirection::reverse</a>);</div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>;</div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  }();</div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="keyword">auto</span> <span class="keyword">const</span> r = forEachOffer(sb, afView, prevStepDebtDir, eachOffer);</div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  boost::container::flat_set<uint256> toRm = std::move(std::get<0>(r));</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> offersConsumed = std::get<1>(r);</div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  offersUsed_ = offersConsumed;</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <a class="code" href="namespaceripple.html#a7dfbbc119e9821f91f95982dadcfd712">SetUnion</a>(ofrsToRm, toRm);</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  </div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  <span class="keywordflow">if</span> (offersConsumed >= maxOffersToConsume_)</div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  {</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="comment">// Too many iterations, mark this strand as inactive</span></div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <span class="keywordflow">if</span> (!afView.<a class="code" href="classripple_1_1ReadView.html#aaf2fa03be723bb78d8bdf41614a75a30">rules</a>().<a class="code" href="classripple_1_1Rules.html#a7d7f2142bf5c4a4ddf9fba8eb6c2aebd">enabled</a>(<a class="code" href="namespaceripple.html#a0c155f4dfdb9766fbe27cbe85d43ded7">fix1515</a>))</div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  {</div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <span class="comment">// Don't use the liquidity</span></div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  cache_.emplace(beast::zero, beast::zero);</div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  }</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  </div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <span class="comment">// Use the liquidity, but use this to mark the strand as inactive so</span></div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="comment">// it's not used further</span></div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  inactive_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  }</div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  }</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  </div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  <span class="keywordflow">switch</span> (remainingOut.signum())</div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  {</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keywordflow">case</span> -1: {</div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  <span class="comment">// something went very wrong</span></div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>())</div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  << <span class="stringliteral">"BookStep remainingOut < 0 "</span> << <a class="code" href="namespaceripple.html#a96888695e8d79474e080c334f149e30a">to_string</a>(remainingOut);</div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  assert(0);</div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  cache_.emplace(beast::zero, beast::zero);</div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  }</div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  <span class="keywordflow">case</span> 0: {</div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="comment">// due to normalization, remainingOut can be zero without</span></div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <span class="comment">// result.out == out. Force result.out == out for this case</span></div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  result.out = <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>;</div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  }</div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  }</div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  </div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  cache_.emplace(result.in, result.out);</div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="keywordflow">return</span> {result.in, result.out};</div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span> }</div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  </div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived></div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<TIn, TOut></a></div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#ac360725d48ffbe2a589ae0f4ca23c569"> 842</a></span> <a class="code" href="classripple_1_1BookStep.html#ac360725d48ffbe2a589ae0f4ca23c569">BookStep<TIn, TOut, TDerived>::fwdImp</a>(</div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& afView,</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  boost::container::flat_set<uint256>& ofrsToRm,</div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  TIn <span class="keyword">const</span>& in)</div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span> {</div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  assert(cache_);</div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  </div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  TAmounts<TIn, TOut> result(beast::zero, beast::zero);</div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  </div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keyword">auto</span> remainingIn = <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  </div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  boost::container::flat_multiset<TIn> savedIns;</div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  savedIns.reserve(64);</div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  boost::container::flat_multiset<TOut> savedOuts;</div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  savedOuts.reserve(64);</div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  </div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <span class="comment">// amt fed will be adjusted by owner funds (and may differ from the offer's</span></div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="comment">// amounts - tho always <=)</span></div>
|
|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  <span class="keyword">auto</span> eachOffer = [&](<a class="code" href="classripple_1_1TOffer.html">TOffer<TIn, TOut></a>& offer,</div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  TAmounts<TIn, TOut> <span class="keyword">const</span>& ofrAmt,</div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  TAmounts<TIn, TOut> <span class="keyword">const</span>& stpAmt,</div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  TOut <span class="keyword">const</span>& ownerGives,</div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateIn,</div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> transferRateOut) <span class="keyword">mutable</span> -> <span class="keywordtype">bool</span> {</div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  assert(cache_);</div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  </div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="keywordflow">if</span> (remainingIn <= beast::zero)</div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  </div>
|
|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="keywordtype">bool</span> processMore = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  <span class="keyword">auto</span> ofrAdjAmt = ofrAmt;</div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="keyword">auto</span> stpAdjAmt = stpAmt;</div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="keyword">auto</span> ownerGivesAdj = ownerGives;</div>
|
|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  </div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <span class="keyword">typename</span> boost::container::flat_multiset<TOut>::const_iterator lastOut;</div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <span class="keywordflow">if</span> (stpAmt.in <= remainingIn)</div>
|
|
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  {</div>
|
|
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  savedIns.insert(stpAmt.in);</div>
|
|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  lastOut = savedOuts.insert(stpAmt.out);</div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  result = TAmounts<TIn, TOut>(<a class="code" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedIns), <a class="code" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedOuts));</div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="comment">// consume the offer even if stepAmt.in == remainingIn</span></div>
|
|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  processMore = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  }</div>
|
|
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  {</div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <a class="code" href="namespaceripple.html#abf42dc81fcebb9867acdb5df7730ed56">limitStepIn</a>(</div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  offer.quality(),</div>
|
|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  ofrAdjAmt,</div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  stpAdjAmt,</div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  ownerGivesAdj,</div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  transferRateIn,</div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  transferRateOut,</div>
|
|
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  remainingIn);</div>
|
|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  savedIns.insert(remainingIn);</div>
|
|
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  lastOut = savedOuts.insert(stpAdjAmt.out);</div>
|
|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  result.out = <a class="code" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedOuts);</div>
|
|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  result.in = <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
|
|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  </div>
|
|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  processMore = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  }</div>
|
|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  </div>
|
|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  <span class="keywordflow">if</span> (result.out > cache_->out && result.in <= cache_->in)</div>
|
|
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  {</div>
|
|
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  <span class="comment">// The step produced more output in the forward pass than the</span></div>
|
|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  <span class="comment">// reverse pass while consuming the same input (or less). If we</span></div>
|
|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="comment">// compute the input required to produce the cached output</span></div>
|
|
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  <span class="comment">// (produced in the reverse step) and the input is equal to</span></div>
|
|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <span class="comment">// the input consumed in the forward step, then consume the</span></div>
|
|
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  <span class="comment">// input provided in the forward step and produce the output</span></div>
|
|
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <span class="comment">// requested from the reverse step.</span></div>
|
|
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="keyword">auto</span> <span class="keyword">const</span> lastOutAmt = *lastOut;</div>
|
|
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  savedOuts.erase(lastOut);</div>
|
|
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  <span class="keyword">auto</span> <span class="keyword">const</span> remainingOut = cache_->out - <a class="code" href="namespaceripple.html#a06f1da429e6a72c7a8be4248d88ed6e7">sum</a>(savedOuts);</div>
|
|
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  <span class="keyword">auto</span> ofrAdjAmtRev = ofrAmt;</div>
|
|
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  <span class="keyword">auto</span> stpAdjAmtRev = stpAmt;</div>
|
|
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  <span class="keyword">auto</span> ownerGivesAdjRev = ownerGives;</div>
|
|
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  <a class="code" href="namespaceripple.html#a7ae29d6afe7ae8560c7b6c106b2e7826">limitStepOut</a>(</div>
|
|
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  offer.quality(),</div>
|
|
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  ofrAdjAmtRev,</div>
|
|
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  stpAdjAmtRev,</div>
|
|
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  ownerGivesAdjRev,</div>
|
|
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  transferRateIn,</div>
|
|
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  transferRateOut,</div>
|
|
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  remainingOut);</div>
|
|
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  </div>
|
|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  <span class="keywordflow">if</span> (stpAdjAmtRev.in == remainingIn)</div>
|
|
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  {</div>
|
|
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  result.in = <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  result.out = cache_->out;</div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  </div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  savedIns.clear();</div>
|
|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  savedIns.insert(result.in);</div>
|
|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  savedOuts.clear();</div>
|
|
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  savedOuts.insert(result.out);</div>
|
|
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  </div>
|
|
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  ofrAdjAmt = ofrAdjAmtRev;</div>
|
|
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  stpAdjAmt.in = remainingIn;</div>
|
|
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  stpAdjAmt.out = remainingOut;</div>
|
|
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  ownerGivesAdj = ownerGivesAdjRev;</div>
|
|
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  }</div>
|
|
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  {</div>
|
|
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <span class="comment">// This is (likely) a problem case, and wil be caught</span></div>
|
|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  <span class="comment">// with later checks</span></div>
|
|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  savedOuts.insert(lastOutAmt);</div>
|
|
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  }</div>
|
|
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  }</div>
|
|
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  </div>
|
|
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  remainingIn = <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a> - result.in;</div>
|
|
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  this->consumeOffer(sb, offer, ofrAdjAmt, stpAdjAmt, ownerGivesAdj);</div>
|
|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  </div>
|
|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  <span class="comment">// When the mantissas of two iou amounts differ by less than ten, then</span></div>
|
|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  <span class="comment">// subtracting them leaves a result of zero. This can cause the check</span></div>
|
|
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  <span class="comment">// for (stpAmt.in > remainingIn) to incorrectly think an offer will be</span></div>
|
|
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  <span class="comment">// funded after subtracting remainingIn.</span></div>
|
|
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  <span class="keywordflow">return</span> processMore || offer.fully_consumed();</div>
|
|
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  };</div>
|
|
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  </div>
|
|
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  {</div>
|
|
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  <span class="keyword">auto</span> <span class="keyword">const</span> prevStepDebtDir = [&] {</div>
|
|
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  <span class="keywordflow">if</span> (prevStep_)</div>
|
|
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  <span class="keywordflow">return</span> prevStep_->debtDirection(sb, <a class="code" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda965dbaac085fc891bfbbd4f9d145bbc8">StrandDirection::forward</a>);</div>
|
|
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>;</div>
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<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  }();</div>
|
|
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  <span class="keyword">auto</span> <span class="keyword">const</span> r = forEachOffer(sb, afView, prevStepDebtDir, eachOffer);</div>
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|
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  boost::container::flat_set<uint256> toRm = std::move(std::get<0>(r));</div>
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|
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> offersConsumed = std::get<1>(r);</div>
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|
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  offersUsed_ = offersConsumed;</div>
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<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  <a class="code" href="namespaceripple.html#a7dfbbc119e9821f91f95982dadcfd712">SetUnion</a>(ofrsToRm, toRm);</div>
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|
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  </div>
|
|
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  <span class="keywordflow">if</span> (offersConsumed >= maxOffersToConsume_)</div>
|
|
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  {</div>
|
|
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  <span class="comment">// Too many iterations, mark this strand as inactive (dry)</span></div>
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|
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  <span class="keywordflow">if</span> (!afView.<a class="code" href="classripple_1_1ReadView.html#aaf2fa03be723bb78d8bdf41614a75a30">rules</a>().<a class="code" href="classripple_1_1Rules.html#a7d7f2142bf5c4a4ddf9fba8eb6c2aebd">enabled</a>(<a class="code" href="namespaceripple.html#a0c155f4dfdb9766fbe27cbe85d43ded7">fix1515</a>))</div>
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|
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  {</div>
|
|
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  <span class="comment">// Don't use the liquidity</span></div>
|
|
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  cache_.emplace(beast::zero, beast::zero);</div>
|
|
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
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|
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  }</div>
|
|
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  </div>
|
|
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  <span class="comment">// Use the liquidity, but use this to mark the strand as inactive so</span></div>
|
|
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <span class="comment">// it's not used further</span></div>
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|
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  inactive_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  }</div>
|
|
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  }</div>
|
|
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  </div>
|
|
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  <span class="keywordflow">switch</span> (remainingIn.signum())</div>
|
|
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  {</div>
|
|
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  <span class="keywordflow">case</span> -1: {</div>
|
|
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  <span class="comment">// something went very wrong</span></div>
|
|
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>())</div>
|
|
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  << <span class="stringliteral">"BookStep remainingIn < 0 "</span> << <a class="code" href="namespaceripple.html#a96888695e8d79474e080c334f149e30a">to_string</a>(remainingIn);</div>
|
|
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  assert(0);</div>
|
|
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  cache_.emplace(beast::zero, beast::zero);</div>
|
|
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
|
|
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  }</div>
|
|
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  <span class="keywordflow">case</span> 0: {</div>
|
|
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  <span class="comment">// due to normalization, remainingIn can be zero without</span></div>
|
|
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  <span class="comment">// result.in == in. Force result.in == in for this case</span></div>
|
|
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  result.in = <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
|
|
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  }</div>
|
|
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  }</div>
|
|
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  </div>
|
|
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  cache_.emplace(result.in, result.out);</div>
|
|
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  <span class="keywordflow">return</span> {result.in, result.out};</div>
|
|
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span> }</div>
|
|
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  </div>
|
|
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived></div>
|
|
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<bool, EitherAmount></a></div>
|
|
<div class="line"><a name="l01012"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a75e0f046afee8b75774801a2e6ffaae0"> 1012</a></span> <a class="code" href="classripple_1_1BookStep.html#a75e0f046afee8b75774801a2e6ffaae0">BookStep<TIn, TOut, TDerived>::validFwd</a>(</div>
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|
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
|
|
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& afView,</div>
|
|
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a> <span class="keyword">const</span>& in)</div>
|
|
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span> {</div>
|
|
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <span class="keywordflow">if</span> (!cache_)</div>
|
|
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  {</div>
|
|
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"Expected valid cache in validFwd"</span>;</div>
|
|
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  <span class="keywordflow">return</span> {<span class="keyword">false</span>, <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a>(TOut(beast::zero))};</div>
|
|
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  }</div>
|
|
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  </div>
|
|
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  <span class="keyword">auto</span> <span class="keyword">const</span> savCache = *cache_;</div>
|
|
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  </div>
|
|
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  <span class="keywordflow">try</span></div>
|
|
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  {</div>
|
|
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  boost::container::flat_set<uint256> dummy;</div>
|
|
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  fwdImp(sb, afView, dummy, get<TIn>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)); <span class="comment">// changes cache</span></div>
|
|
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  }</div>
|
|
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  <span class="keywordflow">catch</span> (FlowException <span class="keyword">const</span>&)</div>
|
|
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  {</div>
|
|
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  <span class="keywordflow">return</span> {<span class="keyword">false</span>, <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a>(TOut(beast::zero))};</div>
|
|
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  }</div>
|
|
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  </div>
|
|
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  <span class="keywordflow">if</span> (!(<a class="code" href="namespaceripple.html#a948ed7ae32de8014f0a5f421f36bedc1">checkNear</a>(savCache.in, cache_->in) &&</div>
|
|
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  <a class="code" href="namespaceripple.html#a948ed7ae32de8014f0a5f421f36bedc1">checkNear</a>(savCache.out, cache_->out)))</div>
|
|
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  {</div>
|
|
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) << <span class="stringliteral">"Strand re-execute check failed."</span></div>
|
|
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  << <span class="stringliteral">" ExpectedIn: "</span> << <a class="code" href="namespaceripple.html#a96888695e8d79474e080c334f149e30a">to_string</a>(savCache.in)</div>
|
|
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  << <span class="stringliteral">" CachedIn: "</span> << <a class="code" href="namespaceripple.html#a96888695e8d79474e080c334f149e30a">to_string</a>(cache_->in)</div>
|
|
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  << <span class="stringliteral">" ExpectedOut: "</span> << <a class="code" href="namespaceripple.html#a96888695e8d79474e080c334f149e30a">to_string</a>(savCache.out)</div>
|
|
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  << <span class="stringliteral">" CachedOut: "</span> << <a class="code" href="namespaceripple.html#a96888695e8d79474e080c334f149e30a">to_string</a>(cache_->out);</div>
|
|
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  <span class="keywordflow">return</span> {<span class="keyword">false</span>, <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a>(cache_->out)};</div>
|
|
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  }</div>
|
|
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  <span class="keywordflow">return</span> {<span class="keyword">true</span>, <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a>(cache_->out)};</div>
|
|
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span> }</div>
|
|
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  </div>
|
|
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived></div>
|
|
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span> <a class="code" href="classripple_1_1TERSubset.html">TER</a></div>
|
|
<div class="line"><a name="l01050"></a><span class="lineno"><a class="line" href="classripple_1_1BookStep.html#a68b0358a5053e3f81802c1bfaaaef647"> 1050</a></span> <a class="code" href="classripple_1_1BookStep.html#a68b0358a5053e3f81802c1bfaaaef647">BookStep<TIn, TOut, TDerived>::check</a>(<a class="code" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>& ctx)<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  <span class="keywordflow">if</span> (book_.in == book_.out)</div>
|
|
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  {</div>
|
|
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) << <span class="stringliteral">"BookStep: Book with same in and out issuer "</span></div>
|
|
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  << *<span class="keyword">this</span>;</div>
|
|
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a301b180a711f213c51de73aba9d28de5">temBAD_PATH</a>;</div>
|
|
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  }</div>
|
|
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceripple.html#a1842fee89cdf9025217d48514df19b1a">isConsistent</a>(book_.in) || !<a class="code" href="namespaceripple.html#a1842fee89cdf9025217d48514df19b1a">isConsistent</a>(book_.out))</div>
|
|
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  {</div>
|
|
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) << <span class="stringliteral">"Book: currency is inconsistent with issuer."</span></div>
|
|
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  << *<span class="keyword">this</span>;</div>
|
|
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a301b180a711f213c51de73aba9d28de5">temBAD_PATH</a>;</div>
|
|
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  }</div>
|
|
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  </div>
|
|
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</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 name="l01066"></a><span class="lineno"> 1066</span>  <span class="comment">// one step to unfund offers in another step.</span></div>
|
|
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  <span class="keywordflow">if</span> (!ctx.<a class="code" href="structripple_1_1StrandContext.html#a0bef921eb9b057dff6fa57d4bef62025">seenBookOuts</a>.insert(book_.out).second ||</div>
|
|
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  ctx.<a class="code" href="structripple_1_1StrandContext.html#a1f64547d1189ede6fef202ada9dc0f2b">seenDirectIssues</a>[0].count(book_.out))</div>
|
|
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  {</div>
|
|
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) << <span class="stringliteral">"BookStep: loop detected: "</span> << *<span class="keyword">this</span>;</div>
|
|
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a12457d1044fb018f478405504184dc79">temBAD_PATH_LOOP</a>;</div>
|
|
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  }</div>
|
|
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  </div>
|
|
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  <span class="keywordflow">if</span> (ctx.<a class="code" href="structripple_1_1StrandContext.html#a1f64547d1189ede6fef202ada9dc0f2b">seenDirectIssues</a>[1].count(book_.out))</div>
|
|
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  {</div>
|
|
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) << <span class="stringliteral">"BookStep: loop detected: "</span> << *<span class="keyword">this</span>;</div>
|
|
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a12457d1044fb018f478405504184dc79">temBAD_PATH_LOOP</a>;</div>
|
|
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  }</div>
|
|
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  </div>
|
|
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  <span class="keyword">auto</span> issuerExists = [](<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& view, <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>& iss) -> <span class="keywordtype">bool</span> {</div>
|
|
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(iss.account) || view.<a class="code" href="classripple_1_1ReadView.html#a3351e0244f921234d5ba005a07ddf539">read</a>(<a class="code" href="namespaceripple_1_1keylet.html#a50c370db96b4fdcdd202d9c2c38afce9">keylet::account</a>(iss.account));</div>
|
|
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  };</div>
|
|
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  </div>
|
|
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  <span class="keywordflow">if</span> (!issuerExists(ctx.<a class="code" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>, book_.in) || !issuerExists(ctx.<a class="code" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>, book_.out))</div>
|
|
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  {</div>
|
|
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) << <span class="stringliteral">"BookStep: deleted issuer detected: "</span> << *<span class="keyword">this</span>;</div>
|
|
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#aa298e929e02f59c2b05a30ee8805b38ca33d363e51ee15c8bd4f5d7c4e4518def">tecNO_ISSUER</a>;</div>
|
|
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  }</div>
|
|
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  </div>
|
|
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  <span class="keywordflow">if</span> (ctx.<a class="code" href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">prevStep</a>)</div>
|
|
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  {</div>
|
|
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> prev = ctx.<a class="code" href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">prevStep</a>-><a class="code" href="classripple_1_1Step.html#a98fda1ca2b88444baa3db59720953ea2">directStepSrcAcct</a>())</div>
|
|
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  {</div>
|
|
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  <span class="keyword">auto</span> <span class="keyword">const</span>& view = ctx.<a class="code" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>;</div>
|
|
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  <span class="keyword">auto</span> <span class="keyword">const</span>& cur = book_.in.account;</div>
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|
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  </div>
|
|
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  <span class="keyword">auto</span> sle = view.<a class="code" href="classripple_1_1ReadView.html#a3351e0244f921234d5ba005a07ddf539">read</a>(<a class="code" href="namespaceripple_1_1keylet.html#ad7913ec52c58534ee1601ab21956123f">keylet::line</a>(*prev, cur, book_.in.currency));</div>
|
|
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  <span class="keywordflow">if</span> (!sle)</div>
|
|
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162fae9a023686bac48d78ee1d9d7aaa95b5f">terNO_LINE</a>;</div>
|
|
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  <span class="keywordflow">if</span> ((*sle)[<a class="code" href="namespaceripple.html#ac1371098a8a7c1e1238290d0220dc941">sfFlags</a>] &</div>
|
|
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  ((cur > *prev) ? <a class="code" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a3f3817fa4e1147bc1ea78c56aaf12632">lsfHighNoRipple</a> : <a class="code" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a503af0c7122f0c0f33e7ea4b7deee1d3">lsfLowNoRipple</a>))</div>
|
|
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162faadb84abae8e5aa672e05db5ed3282054">terNO_RIPPLE</a>;</div>
|
|
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  }</div>
|
|
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  }</div>
|
|
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  </div>
|
|
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>;</div>
|
|
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span> }</div>
|
|
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  </div>
|
|
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
|
|
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  </div>
|
|
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span> <span class="keyword">namespace </span>test {</div>
|
|
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span> <span class="comment">// Needed for testing</span></div>
|
|
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  </div>
|
|
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut, <span class="keyword">class</span> TDerived></div>
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|
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span> <span class="keyword">static</span> <span class="keywordtype">bool</span></div>
|
|
<div class="line"><a name="l01116"></a><span class="lineno"><a class="line" href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5"> 1116</a></span> <a class="code" href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5">equalHelper</a>(<a class="code" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>& step, <a class="code" href="classripple_1_1Book.html">ripple::Book</a> <span class="keyword">const</span>& book)</div>
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|
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span> {</div>
|
|
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <span class="keywordflow">if</span> (<span class="keyword">auto</span> bs = <span class="keyword">dynamic_cast<</span><a class="code" href="classripple_1_1BookStep.html">BookStep<TIn, TOut, TDerived></a> const*<span class="keyword">></span>(&step))</div>
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|
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  <span class="keywordflow">return</span> book == bs->book();</div>
|
|
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span> }</div>
|
|
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  </div>
|
|
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span> <span class="keywordtype">bool</span></div>
|
|
<div class="line"><a name="l01124"></a><span class="lineno"><a class="line" href="namespaceripple_1_1test.html#a77c3eafc5e38b2506f7da7bb3b3f3280"> 1124</a></span> <a class="code" href="namespaceripple_1_1test.html#a77c3eafc5e38b2506f7da7bb3b3f3280">bookStepEqual</a>(<a class="code" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>& step, <a class="code" href="classripple_1_1Book.html">ripple::Book</a> <span class="keyword">const</span>& book)</div>
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|
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span> {</div>
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|
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  <span class="keywordtype">bool</span> <span class="keyword">const</span> inXRP = <a class="code" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(book.<a class="code" href="classripple_1_1Book.html#a44f1acfd1d549e7f025f5372fb345f27">in</a>.<a class="code" href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">currency</a>);</div>
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|
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  <span class="keywordtype">bool</span> <span class="keyword">const</span> outXRP = <a class="code" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(book.<a class="code" href="classripple_1_1Book.html#a6992e8a5da385182ec3ab51a0216281a">out</a>.<a class="code" href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">currency</a>);</div>
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|
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  <span class="keywordflow">if</span> (inXRP && outXRP)</div>
|
|
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5">equalHelper</a><</div>
|
|
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  <a class="code" href="classripple_1_1XRPAmount.html">XRPAmount</a>,</div>
|
|
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  <a class="code" href="classripple_1_1XRPAmount.html">XRPAmount</a>,</div>
|
|
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  <a class="code" href="classripple_1_1BookPaymentStep.html">BookPaymentStep<XRPAmount, XRPAmount></a>>(step, book);</div>
|
|
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  <span class="keywordflow">if</span> (inXRP && !outXRP)</div>
|
|
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5">equalHelper</a><</div>
|
|
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  <a class="code" href="classripple_1_1XRPAmount.html">XRPAmount</a>,</div>
|
|
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a>,</div>
|
|
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  <a class="code" href="classripple_1_1BookPaymentStep.html">BookPaymentStep<XRPAmount, IOUAmount></a>>(step, book);</div>
|
|
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  <span class="keywordflow">if</span> (!inXRP && outXRP)</div>
|
|
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5">equalHelper</a><</div>
|
|
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a>,</div>
|
|
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  <a class="code" href="classripple_1_1XRPAmount.html">XRPAmount</a>,</div>
|
|
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  <a class="code" href="classripple_1_1BookPaymentStep.html">BookPaymentStep<IOUAmount, XRPAmount></a>>(step, book);</div>
|
|
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  <span class="keywordflow">if</span> (!inXRP && !outXRP)</div>
|
|
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple_1_1test.html#a39b1794357565802f08397fa85fd67b5">equalHelper</a><</div>
|
|
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a>,</div>
|
|
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a>,</div>
|
|
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  <a class="code" href="classripple_1_1BookPaymentStep.html">BookPaymentStep<IOUAmount, IOUAmount></a>>(step, book);</div>
|
|
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span> }</div>
|
|
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span> } <span class="comment">// namespace test</span></div>
|
|
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  </div>
|
|
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
|
|
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>  </div>
|
|
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span> <span class="keyword">template</span> <<span class="keyword">class</span> TIn, <span class="keyword">class</span> TOut></div>
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|
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span> <span class="keyword">static</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<TER, std::unique_ptr<Step></a>></div>
|
|
<div class="line"><a name="l01156"></a><span class="lineno"><a class="line" href="namespaceripple.html#a94f9d08b597db6e0c42b5e09957e469c"> 1156</a></span> <a class="code" href="namespaceripple.html#a94f9d08b597db6e0c42b5e09957e469c">make_BookStepHelper</a>(<a class="code" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>& ctx, <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>& in, <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>& out)</div>
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|
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span> {</div>
|
|
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>  <a class="code" href="classripple_1_1TERSubset.html">TER</a> ter = <a class="code" href="namespaceripple.html#a75cb21d7f1df42f2fdc8efddb79b63f4ad035d214edc31c72362d7efbdaba234c">tefINTERNAL</a>;</div>
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|
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<Step></a> r;</div>
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|
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>  <span class="keywordflow">if</span> (ctx.<a class="code" href="structripple_1_1StrandContext.html#a85b6e9d4657b1aef125158607e7b9c19">offerCrossing</a>)</div>
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|
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>  {</div>
|
|
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>  <span class="keyword">auto</span> offerCrossingStep =</div>
|
|
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  std::make_unique<BookOfferCrossingStep<TIn, TOut>>(ctx, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
|
|
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  ter = offerCrossingStep->check(ctx);</div>
|
|
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  r = std::move(offerCrossingStep);</div>
|
|
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>  }</div>
|
|
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>  <span class="keywordflow">else</span> <span class="comment">// payment</span></div>
|
|
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  {</div>
|
|
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>  <span class="keyword">auto</span> paymentStep =</div>
|
|
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  std::make_unique<BookPaymentStep<TIn, TOut>>(ctx, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
|
|
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  ter = paymentStep->check(ctx);</div>
|
|
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  r = std::move(paymentStep);</div>
|
|
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>  }</div>
|
|
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  <span class="keywordflow">if</span> (ter != <a class="code" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>)</div>
|
|
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  <span class="keywordflow">return</span> {ter, <span class="keyword">nullptr</span>};</div>
|
|
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  </div>
|
|
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  <span class="keywordflow">return</span> {<a class="code" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>, std::move(r)};</div>
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|
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span> }</div>
|
|
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  </div>
|
|
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<TER, std::unique_ptr<Step></a>></div>
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|
<div class="line"><a name="l01181"></a><span class="lineno"><a class="line" href="namespaceripple.html#a3484fee645d66b15df994a77f0d7e006"> 1181</a></span> <a class="code" href="namespaceripple.html#a3484fee645d66b15df994a77f0d7e006">make_BookStepII</a>(<a class="code" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>& ctx, <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>& in, <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>& out)</div>
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|
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span> {</div>
|
|
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  <span class="keywordflow">return</span> make_BookStepHelper<IOUAmount, IOUAmount>(ctx, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
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|
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span> }</div>
|
|
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  </div>
|
|
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<TER, std::unique_ptr<Step></a>></div>
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<div class="line"><a name="l01187"></a><span class="lineno"><a class="line" href="namespaceripple.html#a87ca56bb018dd1fe6d4bca41a9340ea6"> 1187</a></span> <a class="code" href="namespaceripple.html#a87ca56bb018dd1fe6d4bca41a9340ea6">make_BookStepIX</a>(<a class="code" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>& ctx, <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>& in)</div>
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<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span> {</div>
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<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  <span class="keywordflow">return</span> make_BookStepHelper<IOUAmount, XRPAmount>(ctx, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="code" href="namespaceripple.html#af13e153259f9f64839b634f3b9642dcb">xrpIssue</a>());</div>
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<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span> }</div>
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<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  </div>
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<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<TER, std::unique_ptr<Step></a>></div>
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<div class="line"><a name="l01193"></a><span class="lineno"><a class="line" href="namespaceripple.html#ac463e227ceb7524485603e9ae4edfaae"> 1193</a></span> <a class="code" href="namespaceripple.html#ac463e227ceb7524485603e9ae4edfaae">make_BookStepXI</a>(<a class="code" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>& ctx, <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>& out)</div>
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<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span> {</div>
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<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  <span class="keywordflow">return</span> make_BookStepHelper<XRPAmount, IOUAmount>(ctx, <a class="code" href="namespaceripple.html#af13e153259f9f64839b634f3b9642dcb">xrpIssue</a>(), <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
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<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span> }</div>
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<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  </div>
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<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span> } <span class="comment">// namespace ripple</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<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 &amt, std::uint32_t num, std::uint32_t den, bool roundUp)</div><div class="ttdef"><b>Definition:</b> <a href="IOUAmount_8cpp_source.html#l00242">IOUAmount.cpp:242</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_a2361abd05389001f3c40e19fa667b289"><div class="ttname"><a href="classripple_1_1BookStep.html#a2361abd05389001f3c40e19fa667b289">ripple::BookStep::offersUsed</a></div><div class="ttdeci">std::uint32_t offersUsed() const override</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00496">BookStep.cpp:496</a></div></div>
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<div class="ttc" id="astructripple_1_1StrandContext_html"><div class="ttname"><a href="structripple_1_1StrandContext.html">ripple::StrandContext</a></div><div class="ttdoc">Context needed to build Strand Steps and for error checking.</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00497">Steps.h:497</a></div></div>
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<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 &view, AccountID const &issuer)</div><div class="ttdef"><b>Definition:</b> <a href="View_8cpp_source.html#l00350">View.cpp:350</a></div></div>
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<div class="ttc" id="asstream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/sstream.html">sstream</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a44f67791a0ab19c59c65fc086292b8ab"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a44f67791a0ab19c59c65fc086292b8ab">ripple::BookOfferCrossingStep::logString</a></div><div class="ttdeci">std::string logString() const override</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00454">BookStep.cpp:454</a></div></div>
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<div class="ttc" id="aclassripple_1_1TOfferStreamBase_1_1StepCounter_html"><div class="ttname"><a href="classripple_1_1TOfferStreamBase_1_1StepCounter.html">ripple::TOfferStreamBase::StepCounter</a></div><div class="ttdef"><b>Definition:</b> <a href="OfferStream_8h_source.html#l00039">OfferStream.h:39</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a42b35ba6f25f09390f197f21da10742d"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a42b35ba6f25f09390f197f21da10742d">ripple::BookOfferCrossingStep::getOfrInRate</a></div><div class="ttdeci">std::uint32_t getOfrInRate(Step const *prevStep, TOffer< TIn, TOut > const &offer, std::uint32_t trIn) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00408">BookStep.cpp:408</a></div></div>
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<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#l00169">BookStep.cpp:169</a></div></div>
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<div class="ttc" id="aclassripple_1_1Issue_html"><div class="ttname"><a href="classripple_1_1Issue.html">ripple::Issue</a></div><div class="ttdoc">A currency issued by an account.</div><div class="ttdef"><b>Definition:</b> <a href="Issue_8h_source.html#l00034">Issue.h:34</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a75cb21d7f1df42f2fdc8efddb79b63f4ad035d214edc31c72362d7efbdaba234c"><div class="ttname"><a href="namespaceripple.html#a75cb21d7f1df42f2fdc8efddb79b63f4ad035d214edc31c72362d7efbdaba234c">ripple::tefINTERNAL</a></div><div class="ttdeci">@ tefINTERNAL</div><div class="ttdef"><b>Definition:</b> <a href="TER_8h_source.html#l00150">TER.h:150</a></div></div>
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<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="anamespaceripple_html_a1842fee89cdf9025217d48514df19b1a"><div class="ttname"><a href="namespaceripple.html#a1842fee89cdf9025217d48514df19b1a">ripple::isConsistent</a></div><div class="ttdeci">bool isConsistent(Book const &book)</div><div class="ttdef"><b>Definition:</b> <a href="Book_8cpp_source.html#l00025">Book.cpp:25</a></div></div>
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<div class="ttc" id="aclassripple_1_1FlowOfferStream_html"><div class="ttname"><a href="classripple_1_1FlowOfferStream.html">ripple::FlowOfferStream</a></div><div class="ttdoc">Presents and consumes the offers in an order book.</div><div class="ttdef"><b>Definition:</b> <a href="OfferStream_8h_source.html#l00171">OfferStream.h:171</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html_abbe082bd27ca0f1d1365af2824e4f85b"><div class="ttname"><a href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">beast::Journal::trace</a></div><div class="ttdeci">Stream trace() const</div><div class="ttdoc">Severity stream access functions.</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00309">Journal.h:309</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a7c8945b5034bba5f9df719cff2503495"><div class="ttname"><a href="namespaceripple.html#a7c8945b5034bba5f9df719cff2503495">ripple::composed_quality</a></div><div class="ttdeci">Quality composed_quality(Quality const &lhs, Quality const &rhs)</div><div class="ttdef"><b>Definition:</b> <a href="Quality_8cpp_source.html#l00101">Quality.cpp:101</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a7ae29d6afe7ae8560c7b6c106b2e7826"><div class="ttname"><a href="namespaceripple.html#a7ae29d6afe7ae8560c7b6c106b2e7826">ripple::limitStepOut</a></div><div class="ttdeci">static void limitStepOut(Quality const &ofrQ, TAmounts< TIn, TOut > &ofrAmt, TAmounts< TIn, TOut > &stpAmt, TOut &ownerGives, std::uint32_t transferRateIn, std::uint32_t transferRateOut, TOut const &limit)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00528">BookStep.cpp:528</a></div></div>
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<div class="ttc" id="aclassripple_1_1Book_html_a6992e8a5da385182ec3ab51a0216281a"><div class="ttname"><a href="classripple_1_1Book.html#a6992e8a5da385182ec3ab51a0216281a">ripple::Book::out</a></div><div class="ttdeci">Issue out</div><div class="ttdef"><b>Definition:</b> <a href="Book_8h_source.html#l00036">Book.h:36</a></div></div>
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<div class="ttc" id="anamespaceripple_html_adebe4d783be9c979e67fdbb2bc27162fae9a023686bac48d78ee1d9d7aaa95b5f"><div class="ttname"><a href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162fae9a023686bac48d78ee1d9d7aaa95b5f">ripple::terNO_LINE</a></div><div class="ttdeci">@ terNO_LINE</div><div class="ttdef"><b>Definition:</b> <a href="TER_8h_source.html#l00194">TER.h:194</a></div></div>
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<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#l00037">Steps.h:37</a></div></div>
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<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< boost::container::flat_set< uint256 >, std::uint32_t > forEachOffer(PaymentSandbox &sb, ApplyView &afView, DebtDirection prevStepDebtDir, Callback &callback) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00551">BookStep.cpp:551</a></div></div>
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<div class="ttc" id="aclassripple_1_1PaymentSandbox_html"><div class="ttname"><a href="classripple_1_1PaymentSandbox.html">ripple::PaymentSandbox</a></div><div class="ttdoc">A wrapper which makes credits unavailable to balances.</div><div class="ttdef"><b>Definition:</b> <a href="PaymentSandbox_8h_source.html#l00112">PaymentSandbox.h:112</a></div></div>
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<div class="ttc" id="anamespaceripple_html_ac463e227ceb7524485603e9ae4edfaae"><div class="ttname"><a href="namespaceripple.html#ac463e227ceb7524485603e9ae4edfaae">ripple::make_BookStepXI</a></div><div class="ttdeci">std::pair< TER, std::unique_ptr< Step > > make_BookStepXI(StrandContext const &ctx, Issue const &out)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l01193">BookStep.cpp:1193</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a3484fee645d66b15df994a77f0d7e006"><div class="ttname"><a href="namespaceripple.html#a3484fee645d66b15df994a77f0d7e006">ripple::make_BookStepII</a></div><div class="ttdeci">std::pair< TER, std::unique_ptr< Step > > make_BookStepII(StrandContext const &ctx, Issue const &in, Issue const &out)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l01181">BookStep.cpp:1181</a></div></div>
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<div class="ttc" id="apair_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair</a></div></div>
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<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 &step, ripple::Book const &book)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l01116">BookStep.cpp:1116</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_abc1480d1d61af73ac0bd15731f042334"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#abc1480d1d61af73ac0bd15731f042334">ripple::BookPaymentStep::getOfrInRate</a></div><div class="ttdeci">std::uint32_t getOfrInRate(Step const *, TOffer< TIn, TOut > const &, std::uint32_t trIn) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00258">BookStep.cpp:258</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a0c155f4dfdb9766fbe27cbe85d43ded7"><div class="ttname"><a href="namespaceripple.html#a0c155f4dfdb9766fbe27cbe85d43ded7">ripple::fix1515</a></div><div class="ttdeci">const uint256 fix1515</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00177">Feature.cpp:177</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a4a9c7b33fef9015d6406302ef80b63c5af37617abe9ad741cd823746961f1fb3a"><div class="ttname"><a href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5af37617abe9ad741cd823746961f1fb3a">ripple::lsfLowAuth</a></div><div class="ttdeci">@ lsfLowAuth</div><div class="ttdef"><b>Definition:</b> <a href="LedgerFormats_8h_source.html#l00123">LedgerFormats.h:123</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a4a9c7b33fef9015d6406302ef80b63c5a503af0c7122f0c0f33e7ea4b7deee1d3"><div class="ttname"><a href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a503af0c7122f0c0f33e7ea4b7deee1d3">ripple::lsfLowNoRipple</a></div><div class="ttdeci">@ lsfLowNoRipple</div><div class="ttdef"><b>Definition:</b> <a href="LedgerFormats_8h_source.html#l00125">LedgerFormats.h:125</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_a6f159804765a2fa59a593366d179e51d"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#a6f159804765a2fa59a593366d179e51d">ripple::BookPaymentStep::BookPaymentStep</a></div><div class="ttdeci">BookPaymentStep()=default</div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_a7f88b34828b85be65b43763eb30e5aeb"><div class="ttname"><a href="classripple_1_1BookStep.html#a7f88b34828b85be65b43763eb30e5aeb">ripple::BookStep::bookStepBook</a></div><div class="ttdeci">boost::optional< Book > bookStepBook() const override</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00127">BookStep.cpp:127</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html">ripple::BookOfferCrossingStep</a></div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00312">BookStep.cpp:312</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_a2bf64f6adbca271822b63d46f3c1493a"><div class="ttname"><a href="classripple_1_1BookStep.html#a2bf64f6adbca271822b63d46f3c1493a">ripple::BookStep::maxOffersToConsume_</a></div><div class="ttdeci">const uint32_t maxOffersToConsume_</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00046">BookStep.cpp:46</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a64db4e9a01a15836948b70c1689ef2ca"><div class="ttname"><a href="namespaceripple.html#a64db4e9a01a15836948b70c1689ef2ca">ripple::isDefaultPath</a></div><div class="ttdeci">static bool isDefaultPath(STPath const &path)</div><div class="ttdef"><b>Definition:</b> <a href="Pathfinder_8cpp_source.html#l00445">Pathfinder.cpp:445</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_a9078a99ce222b97f9fb3d166633b1b49"><div class="ttname"><a href="classripple_1_1BookStep.html#a9078a99ce222b97f9fb3d166633b1b49">ripple::BookStep::book</a></div><div class="ttdeci">Book const & book() const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00098">BookStep.cpp:98</a></div></div>
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<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 &expected, IOUAmount const &actual)</div><div class="ttdef"><b>Definition:</b> <a href="PaySteps_8cpp_source.html#l00036">PaySteps.cpp:36</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookPaymentStep_html"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html">ripple::BookPaymentStep</a></div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00228">BookStep.cpp:228</a></div></div>
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<div class="ttc" id="aclassripple_1_1Issue_html_a4b723aa4198e4c630e41de06586e2fe7"><div class="ttname"><a href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">ripple::Issue::currency</a></div><div class="ttdeci">Currency currency</div><div class="ttdef"><b>Definition:</b> <a href="Issue_8h_source.html#l00037">Issue.h:37</a></div></div>
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<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#l00162">BookStep.cpp:162</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html_ad8fefe3e8ad583e1ed1bf02094ac3d8f"><div class="ttname"><a href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">beast::Journal::warn</a></div><div class="ttdeci">Stream warn() const</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00327">Journal.h:327</a></div></div>
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<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>
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<div class="ttc" id="anamespaceripple_html_abf42dc81fcebb9867acdb5df7730ed56"><div class="ttname"><a href="namespaceripple.html#abf42dc81fcebb9867acdb5df7730ed56">ripple::limitStepIn</a></div><div class="ttdeci">static void limitStepIn(Quality const &ofrQ, TAmounts< TIn, TOut > &ofrAmt, TAmounts< TIn, TOut > &stpAmt, TOut &ownerGives, std::uint32_t transferRateIn, std::uint32_t transferRateOut, TIn const &limit)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00504">BookStep.cpp:504</a></div></div>
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<div class="ttc" id="aclassripple_1_1IOUAmount_html"><div class="ttname"><a href="classripple_1_1IOUAmount.html">ripple::IOUAmount</a></div><div class="ttdoc">Floating point representation of amounts with high dynamic range.</div><div class="ttdef"><b>Definition:</b> <a href="IOUAmount_8h_source.html#l00041">IOUAmount.h:41</a></div></div>
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<div class="ttc" id="anamespaceripple_html_adebe4d783be9c979e67fdbb2bc27162faadb84abae8e5aa672e05db5ed3282054"><div class="ttname"><a href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162faadb84abae8e5aa672e05db5ed3282054">ripple::terNO_RIPPLE</a></div><div class="ttdeci">@ terNO_RIPPLE</div><div class="ttdef"><b>Definition:</b> <a href="TER_8h_source.html#l00199">TER.h:199</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a0e77f31ed38237773634e5dc858528ef"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a0e77f31ed38237773634e5dc858528ef">ripple::BookOfferCrossingStep::BookOfferCrossingStep</a></div><div class="ttdeci">BookOfferCrossingStep(StrandContext const &ctx, Issue const &in, Issue const &out)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00332">BookStep.cpp:332</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a96888695e8d79474e080c334f149e30a"><div class="ttname"><a href="namespaceripple.html#a96888695e8d79474e080c334f149e30a">ripple::to_string</a></div><div class="ttdeci">std::string to_string(ListDisposition disposition)</div><div class="ttdef"><b>Definition:</b> <a href="ValidatorList_8cpp_source.html#l00045">ValidatorList.cpp:45</a></div></div>
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<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 &lhs, BookStep const &rhs)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00188">BookStep.cpp:188</a></div></div>
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<div class="ttc" id="aclassripple_1_1Step_html_a0e2523f5403b4e921c6338c02bdfac70"><div class="ttname"><a href="classripple_1_1Step.html#a0e2523f5403b4e921c6338c02bdfac70">ripple::Step::bookStepBook</a></div><div class="ttdeci">virtual boost::optional< Book > bookStepBook() const</div><div class="ttdoc">If this step is a BookStep, return the book.</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00208">Steps.h:208</a></div></div>
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<div class="ttc" id="aclassripple_1_1ReadView_html_a1427aa6cbbda99c50b9ca0ebf6e0d0b3"><div class="ttname"><a href="classripple_1_1ReadView.html#a1427aa6cbbda99c50b9ca0ebf6e0d0b3">ripple::ReadView::parentCloseTime</a></div><div class="ttdeci">NetClock::time_point parentCloseTime() const</div><div class="ttdoc">Returns the close time of the previous ledger.</div><div class="ttdef"><b>Definition:</b> <a href="ReadView_8h_source.html#l00253">ReadView.h:253</a></div></div>
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<div class="ttc" id="astructripple_1_1BookStep_1_1Cache_html"><div class="ttname"><a href="structripple_1_1BookStep_1_1Cache.html">ripple::BookStep::Cache</a></div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00065">BookStep.cpp:65</a></div></div>
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<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>
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<div class="ttc" id="anamespaceripple_html_afe21c8454670d46fb93751a5edffed46a301b180a711f213c51de73aba9d28de5"><div class="ttname"><a href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a301b180a711f213c51de73aba9d28de5">ripple::temBAD_PATH</a></div><div class="ttdeci">@ temBAD_PATH</div><div class="ttdef"><b>Definition:</b> <a href="TER_8h_source.html#l00091">TER.h:91</a></div></div>
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<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#l00049">BookStep.cpp:49</a></div></div>
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<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< bool, EitherAmount > validFwd(PaymentSandbox &sb, ApplyView &afView, EitherAmount const &in) override</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l01012">BookStep.cpp:1012</a></div></div>
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<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 &step, ripple::Book const &book)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l01124">BookStep.cpp:1124</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_ae94d993f7db69ca6aaa4517b02292ec0"><div class="ttname"><a href="classripple_1_1BookStep.html#ae94d993f7db69ca6aaa4517b02292ec0">ripple::BookStep::inactive_</a></div><div class="ttdeci">bool inactive_</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00054">BookStep.cpp:54</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a8ca9b43bfc508a3fdbc296fb926320ce"><div class="ttname"><a href="namespaceripple.html#a8ca9b43bfc508a3fdbc296fb926320ce">ripple::parityRate</a></div><div class="ttdeci">const Rate parityRate(QUALITY_ONE)</div><div class="ttdoc">A transfer rate signifying a 1:1 exchange.</div><div class="ttdef"><b>Definition:</b> <a href="Rate_8h_source.html#l00094">Rate.h:94</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_a185d95a05e0e860f20ab1320288f163d"><div class="ttname"><a href="classripple_1_1BookStep.html#a185d95a05e0e860f20ab1320288f163d">ripple::BookStep::j_</a></div><div class="ttdeci">const beast::Journal j_</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00063">BookStep.cpp:63</a></div></div>
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<div class="ttc" id="aclassripple_1_1ApplyView_html"><div class="ttname"><a href="classripple_1_1ApplyView.html">ripple::ApplyView</a></div><div class="ttdoc">Writeable view to a ledger, for applying a transaction.</div><div class="ttdef"><b>Definition:</b> <a href="ApplyView_8h_source.html#l00140">ApplyView.h:140</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a9c5aa8d405f8115d99067dd75deb0a99"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a9c5aa8d405f8115d99067dd75deb0a99">ripple::BookOfferCrossingStep::defaultPath_</a></div><div class="ttdeci">const bool defaultPath_</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00460">BookStep.cpp:460</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a4a9c7b33fef9015d6406302ef80b63c5ae6db21adf463a223e362b44f0fd54663"><div class="ttname"><a href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5ae6db21adf463a223e362b44f0fd54663">ripple::lsfHighAuth</a></div><div class="ttdeci">@ lsfHighAuth</div><div class="ttdef"><b>Definition:</b> <a href="LedgerFormats_8h_source.html#l00124">LedgerFormats.h:124</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a2fca0f72cfacc04d15ad41d84ebf46fd"><div class="ttname"><a href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fd">ripple::StrandDirection</a></div><div class="ttdeci">StrandDirection</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00039">Steps.h:39</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a8b48228284fea330ac1ee3d966bace8e"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a8b48228284fea330ac1ee3d966bace8e">ripple::BookOfferCrossingStep::getOfrOutRate</a></div><div class="ttdeci">std::uint32_t getOfrOutRate(Step const *prevStep, TOffer< TIn, TOut > const &offer, AccountID const &strandDst, std::uint32_t trOut) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00425">BookStep.cpp:425</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_aa10ac9ca8fbb6813d60be0c7b605698e"><div class="ttname"><a href="classripple_1_1BookStep.html#aa10ac9ca8fbb6813d60be0c7b605698e">ripple::BookStep::debtDirection</a></div><div class="ttdeci">DebtDirection debtDirection(ReadView const &sb, StrandDirection dir) const override</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00120">BookStep.cpp:120</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a73cc988e7ba5d5ee0fd9db53740917ec"><div class="ttname"><a href="namespaceripple.html#a73cc988e7ba5d5ee0fd9db53740917ec">ripple::getRate</a></div><div class="ttdeci">std::uint64_t getRate(STAmount const &offerOut, STAmount const &offerIn)</div><div class="ttdef"><b>Definition:</b> <a href="STAmount_8cpp_source.html#l00442">STAmount.cpp:442</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_ac6de326d2b18de2d293079abc85d53f5"><div class="ttname"><a href="classripple_1_1BookStep.html#ac6de326d2b18de2d293079abc85d53f5">ripple::BookStep::ownerPaysTransferFee_</a></div><div class="ttdeci">const bool ownerPaysTransferFee_</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00052">BookStep.cpp:52</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_a52ae77cacac31af0cbd37ef00475ef65"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#a52ae77cacac31af0cbd37ef00475ef65">ripple::BookPaymentStep::adjustQualityWithFees</a></div><div class="ttdeci">Quality adjustQualityWithFees(ReadView const &v, Quality const &ofrQ, DebtDirection prevStepDir) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00276">BookStep.cpp:276</a></div></div>
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<div class="ttc" id="astructripple_1_1Keylet_html_a482983062843a8682fcea76a309c73db"><div class="ttname"><a href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">ripple::Keylet::key</a></div><div class="ttdeci">uint256 key</div><div class="ttdef"><b>Definition:</b> <a href="Keylet_8h_source.html#l00041">Keylet.h:41</a></div></div>
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<div class="ttc" id="aclassripple_1_1base__uint_html"><div class="ttname"><a href="classripple_1_1base__uint.html">ripple::base_uint< 160, detail::AccountIDTag ></a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_a6c85b65cf273a40c1bec886fa1487e4d"><div class="ttname"><a href="classripple_1_1BookStep.html#a6c85b65cf273a40c1bec886fa1487e4d">ripple::BookStep::qualityUpperBound</a></div><div class="ttdeci">std::pair< boost::optional< Quality >, DebtDirection > qualityUpperBound(ReadView const &v, DebtDirection prevStepDir) const override</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00477">BookStep.cpp:477</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a4a9c7b33fef9015d6406302ef80b63c5a44c3bc643086a0beb87e3aaeb544e6ad"><div class="ttname"><a href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a44c3bc643086a0beb87e3aaeb544e6ad">ripple::lsfRequireAuth</a></div><div class="ttdeci">@ lsfRequireAuth</div><div class="ttdef"><b>Definition:</b> <a href="LedgerFormats_8h_source.html#l00106">LedgerFormats.h:106</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_a8c5609aa3c9590f4c559ec93a3808a0f"><div class="ttname"><a href="classripple_1_1BookStep.html#a8c5609aa3c9590f4c559ec93a3808a0f">ripple::BookStep::cache_</a></div><div class="ttdeci">boost::optional< Cache > cache_</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00075">BookStep.cpp:75</a></div></div>
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<div class="ttc" id="astructripple_1_1StrandContext_html_a0e059ee50baf7c62cfa1748b40f1092d"><div class="ttname"><a href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">ripple::StrandContext::view</a></div><div class="ttdeci">ReadView const & view</div><div class="ttdoc">Current ReadView.</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00499">Steps.h:499</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_a2d1f925ee2b12c32026c219ab66f533e"><div class="ttname"><a href="classripple_1_1BookStep.html#a2d1f925ee2b12c32026c219ab66f533e">ripple::BookStep::consumeOffer</a></div><div class="ttdeci">void consumeOffer(PaymentSandbox &sb, TOffer< TIn, TOut > &offer, TAmounts< TIn, TOut > const &ofrAmt, TAmounts< TIn, TOut > const &stepAmt, TOut const &ownerGives) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00673">BookStep.cpp:673</a></div></div>
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<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>
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<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_ad823813b15b02fe79804d9d716a261ca"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#ad823813b15b02fe79804d9d716a261ca">ripple::BookPaymentStep::checkQualityThreshold</a></div><div class="ttdeci">bool checkQualityThreshold(TOffer< TIn, TOut > const &offer) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00251">BookStep.cpp:251</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_ac63a111d20fc22f914396c26edba0c3e"><div class="ttname"><a href="classripple_1_1BookStep.html#ac63a111d20fc22f914396c26edba0c3e">ripple::BookStep::cachedIn</a></div><div class="ttdeci">boost::optional< EitherAmount > cachedIn() const override</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00104">BookStep.cpp:104</a></div></div>
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<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< TIn, TOut > fwdImp(PaymentSandbox &sb, ApplyView &afView, boost::container::flat_set< uint256 > &ofrsToRm, TIn const &in)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00842">BookStep.cpp:842</a></div></div>
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<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 &ctx, Issue const &in, Issue const &out)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00086">BookStep.cpp:86</a></div></div>
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<div class="ttc" id="anamespaceripple_1_1keylet_html_a50c370db96b4fdcdd202d9c2c38afce9"><div class="ttname"><a href="namespaceripple_1_1keylet.html#a50c370db96b4fdcdd202d9c2c38afce9">ripple::keylet::account</a></div><div class="ttdeci">Keylet account(AccountID const &id) noexcept</div><div class="ttdoc">AccountID root.</div><div class="ttdef"><b>Definition:</b> <a href="Indexes_8cpp_source.html#l00134">Indexes.cpp:134</a></div></div>
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<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 &ctx) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l01050">BookStep.cpp:1050</a></div></div>
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<div class="ttc" id="astructripple_1_1StrandContext_html_a85b6e9d4657b1aef125158607e7b9c19"><div class="ttname"><a href="structripple_1_1StrandContext.html#a85b6e9d4657b1aef125158607e7b9c19">ripple::StrandContext::offerCrossing</a></div><div class="ttdeci">const bool offerCrossing</div><div class="ttdoc">true if offer crossing, not payment</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00507">Steps.h:507</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookTip_html_acf5d7b7cd82eefaad45aa37c15ea6f56"><div class="ttname"><a href="classripple_1_1BookTip.html#acf5d7b7cd82eefaad45aa37c15ea6f56">ripple::BookTip::quality</a></div><div class="ttdeci">Quality const & quality() const noexcept</div><div class="ttdef"><b>Definition:</b> <a href="BookTip_8h_source.html#l00066">BookTip.h:66</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a4ad5ac9da897292a28eea43d041c15a1"><div class="ttname"><a href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">ripple::toSTAmount</a></div><div class="ttdeci">STAmount toSTAmount(IOUAmount const &iou, Issue const &iss)</div><div class="ttdef"><b>Definition:</b> <a href="AmountConversions_8h_source.html#l00030">AmountConversions.h:30</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_adedf43c92066467f8b31db6602aad195"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#adedf43c92066467f8b31db6602aad195">ripple::BookOfferCrossingStep::getQuality</a></div><div class="ttdeci">static Quality getQuality(boost::optional< Quality > const &limitQuality)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00322">BookStep.cpp:322</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_afcfc11f791a68e736bda624503a8496d"><div class="ttname"><a href="classripple_1_1BookStep.html#afcfc11f791a68e736bda624503a8496d">ripple::BookStep::strandSrc_</a></div><div class="ttdeci">AccountID strandSrc_</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00048">BookStep.cpp:48</a></div></div>
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<div class="ttc" id="aclassripple_1_1TERSubset_html"><div class="ttname"><a href="classripple_1_1TERSubset.html">ripple::TERSubset< CanCvtToTER ></a></div></div>
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<div class="ttc" id="aclassripple_1_1Sandbox_html"><div class="ttname"><a href="classripple_1_1Sandbox.html">ripple::Sandbox</a></div><div class="ttdoc">Discardable, editable view to a ledger.</div><div class="ttdef"><b>Definition:</b> <a href="Sandbox_8h_source.html#l00034">Sandbox.h:34</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a600754881934fd1c6013062009600d2f"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a600754881934fd1c6013062009600d2f">ripple::BookOfferCrossingStep::qualityThreshold_</a></div><div class="ttdeci">const Quality qualityThreshold_</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00461">BookStep.cpp:461</a></div></div>
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<div class="ttc" id="aclassripple_1_1Step_html"><div class="ttname"><a href="classripple_1_1Step.html">ripple::Step</a></div><div class="ttdoc">A step in a payment path.</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00079">Steps.h:79</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookTip_html"><div class="ttname"><a href="classripple_1_1BookTip.html">ripple::BookTip</a></div><div class="ttdoc">Iterates and consumes raw offers in an order book.</div><div class="ttdef"><b>Definition:</b> <a href="BookTip_8h_source.html#l00037">BookTip.h:37</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a472fcd13e6425ea4a92cd9a03f68bd58"><div class="ttname"><a href="namespaceripple.html#a472fcd13e6425ea4a92cd9a03f68bd58">ripple::accountSend</a></div><div class="ttdeci">TER accountSend(ApplyView &view, AccountID const &uSenderID, AccountID const &uReceiverID, STAmount const &saAmount, beast::Journal j)</div><div class="ttdef"><b>Definition:</b> <a href="View_8cpp_source.html#l01128">View.cpp:1128</a></div></div>
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<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>
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<div class="ttc" id="aclassripple_1_1STAmount_html"><div class="ttname"><a href="classripple_1_1STAmount.html">ripple::STAmount</a></div><div class="ttdef"><b>Definition:</b> <a href="STAmount_8h_source.html#l00043">STAmount.h:43</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html_a49b0713e65bb8e2c51b76fbf16252afe"><div class="ttname"><a href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">beast::Journal::error</a></div><div class="ttdeci">Stream error() const</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00333">Journal.h:333</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_adc5b4e33834322d5f72e4269c5e9e99e"><div class="ttname"><a href="classripple_1_1BookStep.html#adc5b4e33834322d5f72e4269c5e9e99e">ripple::BookStep::getMaxOffersToConsume</a></div><div class="ttdeci">static uint32_t getMaxOffersToConsume(StrandContext const &ctx)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00078">BookStep.cpp:78</a></div></div>
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<div class="ttc" id="astructripple_1_1StrandContext_html_a0bef921eb9b057dff6fa57d4bef62025"><div class="ttname"><a href="structripple_1_1StrandContext.html#a0bef921eb9b057dff6fa57d4bef62025">ripple::StrandContext::seenBookOuts</a></div><div class="ttdeci">boost::container::flat_set< Issue > & seenBookOuts</div><div class="ttdoc">A strand may not include an offer that output the same issue more than once.</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00523">Steps.h:523</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a20d30277b9c78756b3d14493055a307c"><div class="ttname"><a href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">ripple::isXRP</a></div><div class="ttdeci">bool isXRP(AccountID const &c)</div><div class="ttdef"><b>Definition:</b> <a href="AccountID_8h_source.html#l00089">AccountID.h:89</a></div></div>
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<div class="ttc" id="aaccumulate_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/accumulate.html">std::accumulate</a></div><div class="ttdeci">T accumulate(T... args)</div></div>
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<div class="ttc" id="astructripple_1_1BookStep_1_1Cache_html_a99dd72c5f6f213fabc063a6885a94a78"><div class="ttname"><a href="structripple_1_1BookStep_1_1Cache.html#a99dd72c5f6f213fabc063a6885a94a78">ripple::BookStep::Cache::Cache</a></div><div class="ttdeci">Cache(TIn const &in_, TOut const &out_)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00070">BookStep.cpp:70</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html"><div class="ttname"><a href="classbeast_1_1Journal.html">beast::Journal</a></div><div class="ttdoc">A generic endpoint for log messages.</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00058">Journal.h:58</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_a5fdff2534a10ee38677cbdb5c055c762"><div class="ttname"><a href="classripple_1_1BookStep.html#a5fdff2534a10ee38677cbdb5c055c762">ripple::BookStep::cachedOut</a></div><div class="ttdeci">boost::optional< EitherAmount > cachedOut() const override</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00112">BookStep.cpp:112</a></div></div>
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<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div></div>
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<div class="ttc" id="aclassripple_1_1Rules_html_a7d7f2142bf5c4a4ddf9fba8eb6c2aebd"><div class="ttname"><a href="classripple_1_1Rules.html#a7d7f2142bf5c4a4ddf9fba8eb6c2aebd">ripple::Rules::enabled</a></div><div class="ttdeci">bool enabled(uint256 const &id) const</div><div class="ttdoc">Returns true if a feature is enabled.</div><div class="ttdef"><b>Definition:</b> <a href="ReadView_8cpp_source.html#l00103">ReadView.cpp:103</a></div></div>
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<div class="ttc" id="anamespaceripple_1_1keylet_html_ad7913ec52c58534ee1601ab21956123f"><div class="ttname"><a href="namespaceripple_1_1keylet.html#ad7913ec52c58534ee1601ab21956123f">ripple::keylet::line</a></div><div class="ttdeci">Keylet line(AccountID const &id0, AccountID const &id1, Currency const &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#l00194">Indexes.cpp:194</a></div></div>
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<div class="ttc" id="aclassripple_1_1ReadView_html_a3351e0244f921234d5ba005a07ddf539"><div class="ttname"><a href="classripple_1_1ReadView.html#a3351e0244f921234d5ba005a07ddf539">ripple::ReadView::read</a></div><div class="ttdeci">virtual std::shared_ptr< SLE const > read(Keylet const &k) const =0</div><div class="ttdoc">Return the state item associated with a key.</div></div>
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<div class="ttc" id="anamespaceripple_html_a4a9c7b33fef9015d6406302ef80b63c5a3f3817fa4e1147bc1ea78c56aaf12632"><div class="ttname"><a href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a3f3817fa4e1147bc1ea78c56aaf12632">ripple::lsfHighNoRipple</a></div><div class="ttdeci">@ lsfHighNoRipple</div><div class="ttdef"><b>Definition:</b> <a href="LedgerFormats_8h_source.html#l00126">LedgerFormats.h:126</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_a1b410d353a7b9ef4829b8bd951aa4cd3"><div class="ttname"><a href="classripple_1_1BookStep.html#a1b410d353a7b9ef4829b8bd951aa4cd3">ripple::BookStep::operator==</a></div><div class="ttdeci">friend bool operator==(BookStep const &lhs, BookStep const &rhs)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00182">BookStep.cpp:182</a></div></div>
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<div class="ttc" id="adecay_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/decay.html">std::decay_t</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a2fca0f72cfacc04d15ad41d84ebf46fda4d9c2073afa3c2abb817dceb22c34de6"><div class="ttname"><a href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda4d9c2073afa3c2abb817dceb22c34de6">ripple::StrandDirection::reverse</a></div><div class="ttdeci">@ reverse</div></div>
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<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>
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<div class="ttc" id="abasic_ostringstream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostringstream.html">std::ostringstream</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_a9538e9b441c4184567f657bec6ab1969"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#a9538e9b441c4184567f657bec6ab1969">ripple::BookPaymentStep::getOfrOutRate</a></div><div class="ttdeci">std::uint32_t getOfrOutRate(Step const *, TOffer< TIn, TOut > const &, AccountID const &, std::uint32_t trOut) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00266">BookStep.cpp:266</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a02afdec453dc1cf6e78cee2890e68969"><div class="ttname"><a href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">ripple::redeems</a></div><div class="ttdeci">bool redeems(DebtDirection dir)</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00042">Steps.h:42</a></div></div>
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<div class="ttc" id="aclassripple_1_1ReadView_html"><div class="ttname"><a href="classripple_1_1ReadView.html">ripple::ReadView</a></div><div class="ttdoc">A view into a ledger.</div><div class="ttdef"><b>Definition:</b> <a href="ReadView_8h_source.html#l00192">ReadView.h:192</a></div></div>
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<div class="ttc" id="astructripple_1_1Rate_html_a59fd441d04e641347e6dc62c2301f671"><div class="ttname"><a href="structripple_1_1Rate.html#a59fd441d04e641347e6dc62c2301f671">ripple::Rate::value</a></div><div class="ttdeci">std::uint32_t value</div><div class="ttdef"><b>Definition:</b> <a href="Rate_8h_source.html#l00039">Rate.h:39</a></div></div>
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<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="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_aa509ba8767d485dba40e339b745c5558"><div class="ttname"><a href="classripple_1_1BookStep.html#aa509ba8767d485dba40e339b745c5558">ripple::BookStep::prevStep_</a></div><div class="ttdeci">Step const *const prevStep_</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00051">BookStep.cpp:51</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html"><div class="ttname"><a href="classripple_1_1BookStep.html">ripple::BookStep</a></div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00043">BookStep.cpp:43</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_a299b70f6c07de70b1bea38dda9200882"><div class="ttname"><a href="classripple_1_1BookStep.html#a299b70f6c07de70b1bea38dda9200882">ripple::BookStep::offersUsed_</a></div><div class="ttdeci">std::uint32_t offersUsed_</div><div class="ttdoc">Number of offers consumed or partially consumed the last time the step ran, including expired and unf...</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00062">BookStep.cpp:62</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_aeb1b67df199c0693fe59d40561f99e76"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#aeb1b67df199c0693fe59d40561f99e76">ripple::BookOfferCrossingStep::checkQualityThreshold</a></div><div class="ttdeci">bool checkQualityThreshold(TOffer< TIn, TOut > const &offer) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00400">BookStep.cpp:400</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a94f9d08b597db6e0c42b5e09957e469c"><div class="ttname"><a href="namespaceripple.html#a94f9d08b597db6e0c42b5e09957e469c">ripple::make_BookStepHelper</a></div><div class="ttdeci">static std::pair< TER, std::unique_ptr< Step > > make_BookStepHelper(StrandContext const &ctx, Issue const &in, Issue const &out)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l01156">BookStep.cpp:1156</a></div></div>
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<div class="ttc" id="aclassripple_1_1ReadView_html_aaf2fa03be723bb78d8bdf41614a75a30"><div class="ttname"><a href="classripple_1_1ReadView.html#aaf2fa03be723bb78d8bdf41614a75a30">ripple::ReadView::rules</a></div><div class="ttdeci">virtual Rules const & rules() const =0</div><div class="ttdoc">Returns the tx processing rules.</div></div>
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<div class="ttc" id="anamespaceripple_html_ac1371098a8a7c1e1238290d0220dc941"><div class="ttname"><a href="namespaceripple.html#ac1371098a8a7c1e1238290d0220dc941">ripple::sfFlags</a></div><div class="ttdeci">const SF_UINT32 sfFlags</div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_ae1c9905d2af71cf8b6695ad869685c36"><div class="ttname"><a href="classripple_1_1BookStep.html#ae1c9905d2af71cf8b6695ad869685c36">ripple::BookStep::book_</a></div><div class="ttdeci">Book book_</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00047">BookStep.cpp:47</a></div></div>
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<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#l00260">TER.h:260</a></div></div>
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<div class="ttc" id="astructripple_1_1EitherAmount_html"><div class="ttname"><a href="structripple_1_1EitherAmount.html">ripple::EitherAmount</a></div><div class="ttdef"><b>Definition:</b> <a href="AmountSpec_8h_source.html#l00057">AmountSpec.h:57</a></div></div>
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<div class="ttc" id="astructripple_1_1StrandContext_html_a20f852451e14c6cc04c3fbb5a49c41f6"><div class="ttname"><a href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">ripple::StrandContext::prevStep</a></div><div class="ttdeci">Step const *const prevStep</div><div class="ttdoc">The previous step in the strand.</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00513">Steps.h:513</a></div></div>
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<div class="ttc" id="anamespaceripple_html_af13e153259f9f64839b634f3b9642dcb"><div class="ttname"><a href="namespaceripple.html#af13e153259f9f64839b634f3b9642dcb">ripple::xrpIssue</a></div><div class="ttdeci">Issue const & 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#l00097">Issue.h:97</a></div></div>
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<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< T > &dst, boost::container::flat_set< T > const &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>
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<div class="ttc" id="astr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostringstream/str.html">std::ostringstream::str</a></div><div class="ttdeci">T str(T... args)</div></div>
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<div class="ttc" id="aclassripple_1_1BookTip_html_a397775ff95cf391a6cdc71bf0bfd1082"><div class="ttname"><a href="classripple_1_1BookTip.html#a397775ff95cf391a6cdc71bf0bfd1082">ripple::BookTip::step</a></div><div class="ttdeci">bool step(beast::Journal j)</div><div class="ttdoc">Erases the current offer and advance to the next offer.</div><div class="ttdef"><b>Definition:</b> <a href="BookTip_8cpp_source.html#l00034">BookTip.cpp:34</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html_a556228cb60bcf405c225d3f64b7b01ae"><div class="ttname"><a href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">beast::Journal::debug</a></div><div class="ttdeci">Stream debug() const</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00315">Journal.h:315</a></div></div>
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<div class="ttc" id="aclassripple_1_1TOfferStreamBase_1_1StepCounter_html_afa54b3e228261c77bd99b202aeca92bc"><div class="ttname"><a href="classripple_1_1TOfferStreamBase_1_1StepCounter.html#afa54b3e228261c77bd99b202aeca92bc">ripple::TOfferStreamBase::StepCounter::count</a></div><div class="ttdeci">std::uint32_t count() const</div><div class="ttdef"><b>Definition:</b> <a href="OfferStream_8h_source.html#l00064">OfferStream.h:64</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_aa2b69d5c94b1303c7554eadcb0a4b759"><div class="ttname"><a href="classripple_1_1BookStep.html#aa2b69d5c94b1303c7554eadcb0a4b759">ripple::BookStep::revImp</a></div><div class="ttdeci">std::pair< TIn, TOut > revImp(PaymentSandbox &sb, ApplyView &afView, boost::container::flat_set< uint256 > &ofrsToRm, TOut const &out)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00721">BookStep.cpp:721</a></div></div>
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<div class="ttc" id="aclassripple_1_1Book_html"><div class="ttname"><a href="classripple_1_1Book.html">ripple::Book</a></div><div class="ttdoc">Specifies an order book.</div><div class="ttdef"><b>Definition:</b> <a href="Book_8h_source.html#l00032">Book.h:32</a></div></div>
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<div class="ttc" id="anamespaceripple_html_afe21c8454670d46fb93751a5edffed46a12457d1044fb018f478405504184dc79"><div class="ttname"><a href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a12457d1044fb018f478405504184dc79">ripple::temBAD_PATH_LOOP</a></div><div class="ttdeci">@ temBAD_PATH_LOOP</div><div class="ttdef"><b>Definition:</b> <a href="TER_8h_source.html#l00092">TER.h:92</a></div></div>
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<div class="ttc" id="anumeric_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/numeric.html">numeric</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a0db591850913f730b98a9ba2f4c42176"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a0db591850913f730b98a9ba2f4c42176">ripple::BookOfferCrossingStep::limitSelfCrossQuality</a></div><div class="ttdeci">bool limitSelfCrossQuality(AccountID const &strandSrc, AccountID const &strandDst, TOffer< TIn, TOut > const &offer, boost::optional< Quality > &ofrQ, FlowOfferStream< TIn, TOut > &offers, bool const offerAttempted) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00343">BookStep.cpp:343</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookStep_html_a9960216d74d520047bacde5598dac46a"><div class="ttname"><a href="classripple_1_1BookStep.html#a9960216d74d520047bacde5598dac46a">ripple::BookStep::equal</a></div><div class="ttdeci">bool equal(Step const &rhs) const override</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00468">BookStep.cpp:468</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_ae02823b1c6617a7f097c04dc8e91e3ec"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#ae02823b1c6617a7f097c04dc8e91e3ec">ripple::BookPaymentStep::limitSelfCrossQuality</a></div><div class="ttdeci">bool limitSelfCrossQuality(AccountID const &, AccountID const &, TOffer< TIn, TOut > const &offer, boost::optional< Quality > &, FlowOfferStream< TIn, TOut > &, bool) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00238">BookStep.cpp:238</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a87ca56bb018dd1fe6d4bca41a9340ea6"><div class="ttname"><a href="namespaceripple.html#a87ca56bb018dd1fe6d4bca41a9340ea6">ripple::make_BookStepIX</a></div><div class="ttdeci">std::pair< TER, std::unique_ptr< Step > > make_BookStepIX(StrandContext const &ctx, Issue const &in)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l01187">BookStep.cpp:1187</a></div></div>
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<div class="ttc" id="astructripple_1_1StrandContext_html_a1f64547d1189ede6fef202ada9dc0f2b"><div class="ttname"><a href="structripple_1_1StrandContext.html#a1f64547d1189ede6fef202ada9dc0f2b">ripple::StrandContext::seenDirectIssues</a></div><div class="ttdeci">std::array< boost::container::flat_set< Issue >, 2 > & seenDirectIssues</div><div class="ttdoc">A strand may not include the same account node more than once in the same currency.</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00519">Steps.h:519</a></div></div>
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<div class="ttc" id="aunique_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="anamespaceripple_html_a2cb56a55020f266d207ee04d66cc97ae"><div class="ttname"><a href="namespaceripple.html#a2cb56a55020f266d207ee04d66cc97ae">ripple::featureFlowCross</a></div><div class="ttdeci">const uint256 featureFlowCross</div><div class="ttdef"><b>Definition:</b> <a href="Feature_8cpp_source.html#l00168">Feature.cpp:168</a></div></div>
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<div class="ttc" id="aclassripple_1_1Step_html_a98fda1ca2b88444baa3db59720953ea2"><div class="ttname"><a href="classripple_1_1Step.html#a98fda1ca2b88444baa3db59720953ea2">ripple::Step::directStepSrcAcct</a></div><div class="ttdeci">virtual boost::optional< AccountID > directStepSrcAcct() const</div><div class="ttdoc">If this step is DirectStepI (IOU->IOU direct step), return the src account.</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00139">Steps.h:139</a></div></div>
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<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 &col)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00711">BookStep.cpp:711</a></div></div>
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<div class="ttc" id="astructripple_1_1BookStep_1_1Cache_html_a25f4c5b9949c11ed36a541ed4adfdc1a"><div class="ttname"><a href="structripple_1_1BookStep_1_1Cache.html#a25f4c5b9949c11ed36a541ed4adfdc1a">ripple::BookStep::Cache::in</a></div><div class="ttdeci">TIn in</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00067">BookStep.cpp:67</a></div></div>
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<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#l00216">TER.h:216</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookPaymentStep_html_af3e9a302e1861861117aec346a5c83e0"><div class="ttname"><a href="classripple_1_1BookPaymentStep.html#af3e9a302e1861861117aec346a5c83e0">ripple::BookPaymentStep::logString</a></div><div class="ttdeci">std::string logString() const override</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00304">BookStep.cpp:304</a></div></div>
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<div class="ttc" id="aclassripple_1_1TOffer_html"><div class="ttname"><a href="classripple_1_1TOffer.html">ripple::TOffer</a></div><div class="ttdef"><b>Definition:</b> <a href="Offer_8h_source.html#l00049">Offer.h:49</a></div></div>
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<div class="ttc" id="aclassripple_1_1Book_html_a44f1acfd1d549e7f025f5372fb345f27"><div class="ttname"><a href="classripple_1_1Book.html#a44f1acfd1d549e7f025f5372fb345f27">ripple::Book::in</a></div><div class="ttdeci">Issue in</div><div class="ttdef"><b>Definition:</b> <a href="Book_8h_source.html#l00035">Book.h:35</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a2fca0f72cfacc04d15ad41d84ebf46fda965dbaac085fc891bfbbd4f9d145bbc8"><div class="ttname"><a href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda965dbaac085fc891bfbbd4f9d145bbc8">ripple::StrandDirection::forward</a></div><div class="ttdeci">@ forward</div></div>
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<div class="ttc" id="aclassripple_1_1Issue_html_a46e4805870b1bad6a8691bed0b8acec8"><div class="ttname"><a href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">ripple::Issue::account</a></div><div class="ttdeci">AccountID account</div><div class="ttdef"><b>Definition:</b> <a href="Issue_8h_source.html#l00038">Issue.h:38</a></div></div>
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<div class="ttc" id="astructripple_1_1BookStep_1_1Cache_html_aa88676770cdf9b05078d49a8bb3b3d45"><div class="ttname"><a href="structripple_1_1BookStep_1_1Cache.html#aa88676770cdf9b05078d49a8bb3b3d45">ripple::BookStep::Cache::out</a></div><div class="ttdeci">TOut out</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00068">BookStep.cpp:68</a></div></div>
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<div class="ttc" id="aclassripple_1_1XRPAmount_html"><div class="ttname"><a href="classripple_1_1XRPAmount.html">ripple::XRPAmount</a></div><div class="ttdef"><b>Definition:</b> <a href="XRPAmount_8h_source.html#l00046">XRPAmount.h:46</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookOfferCrossingStep_html_a97539be753f0b82b0b7a158645816f11"><div class="ttname"><a href="classripple_1_1BookOfferCrossingStep.html#a97539be753f0b82b0b7a158645816f11">ripple::BookOfferCrossingStep::adjustQualityWithFees</a></div><div class="ttdeci">Quality adjustQualityWithFees(ReadView const &v, Quality const &ofrQ, DebtDirection prevStepDir) const</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00439">BookStep.cpp:439</a></div></div>
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