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<div class="title">DirectStep.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/impl/StepChecks.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/Steps.h></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <ripple/basics/IOUAmount.h></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <ripple/basics/Log.h></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <ripple/ledger/PaymentSandbox.h></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <ripple/protocol/Feature.h></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <ripple/protocol/Quality.h></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <boost/container/flat_set.hpp></span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</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="l00032"></a><span class="lineno"> 32</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="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
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<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html"> 37</a></span> <span class="keyword">class </span><a class="code" href="classripple_1_1DirectStepI.html">DirectStepI</a> : <span class="keyword">public</span> StepImp<IOUAmount, IOUAmount, DirectStepI<TDerived>></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371"> 40</a></span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a>;</div>
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<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312"> 41</a></span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a91369b807385ac8a15a0a1c572399e29"> 42</a></span>  <a class="code" href="classripple_1_1base__uint.html">Currency</a> <a class="code" href="classripple_1_1DirectStepI.html#a91369b807385ac8a15a0a1c572399e29">currency_</a>;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">// Charge transfer fees when the prev step redeems</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a67eb405e763ec8c66e36e443180be81e"> 45</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_1DirectStepI.html#a67eb405e763ec8c66e36e443180be81e">prevStep_</a> = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a9fcb3d54bb84534db6b4ac626d8c0e30"> 46</a></span>  <span class="keywordtype">bool</span> <span class="keyword">const</span> <a class="code" href="classripple_1_1DirectStepI.html#a9fcb3d54bb84534db6b4ac626d8c0e30">isLast_</a>;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#ad8d2f53038e39a2bb3ce8100a5af49b0"> 47</a></span>  <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> <span class="keyword">const</span> <a class="code" href="classripple_1_1DirectStepI.html#ad8d2f53038e39a2bb3ce8100a5af49b0">j_</a>;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="structripple_1_1DirectStepI_1_1Cache.html"> 49</a></span>  <span class="keyword">struct </span><a class="code" href="structripple_1_1DirectStepI_1_1Cache.html">Cache</a></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="structripple_1_1DirectStepI_1_1Cache.html#a004b80873cc763caf33caafb1a87a17c"> 51</a></span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <a class="code" href="structripple_1_1DirectStepI_1_1Cache.html#a004b80873cc763caf33caafb1a87a17c">in</a>;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="structripple_1_1DirectStepI_1_1Cache.html#a47668456d6ad4999746bd06fc365d2a3"> 52</a></span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <a class="code" href="structripple_1_1DirectStepI_1_1Cache.html#a47668456d6ad4999746bd06fc365d2a3">srcToDst</a>;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structripple_1_1DirectStepI_1_1Cache.html#a51ac7c5d4f66bce9d0788119b21a242e"> 53</a></span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <a class="code" href="structripple_1_1DirectStepI_1_1Cache.html#a51ac7c5d4f66bce9d0788119b21a242e">out</a>;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="structripple_1_1DirectStepI_1_1Cache.html#aac4670c6ffc821776b65b073d7405743"> 54</a></span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> <a class="code" href="structripple_1_1DirectStepI_1_1Cache.html#aac4670c6ffc821776b65b073d7405743">srcDebtDir</a>;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
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<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structripple_1_1DirectStepI_1_1Cache.html#a59e68bd24794bad8f18261169b43fc0f"> 56</a></span>  <a class="code" href="structripple_1_1DirectStepI_1_1Cache.html#a59e68bd24794bad8f18261169b43fc0f">Cache</a>(</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& in_,</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& srcToDst_,</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& out_,</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> srcDebtDir_)</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  : <a class="code" href="structripple_1_1DirectStepI_1_1Cache.html#a004b80873cc763caf33caafb1a87a17c">in</a>(in_), <a class="code" href="structripple_1_1DirectStepI_1_1Cache.html#a47668456d6ad4999746bd06fc365d2a3">srcToDst</a>(srcToDst_), <a class="code" href="structripple_1_1DirectStepI_1_1Cache.html#a51ac7c5d4f66bce9d0788119b21a242e">out</a>(out_), <a class="code" href="structripple_1_1DirectStepI_1_1Cache.html#aac4670c6ffc821776b65b073d7405743">srcDebtDir</a>(srcDebtDir_)</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  {</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</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"> 65</span>  </div>
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<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#ae616c7d4e6a745e947def7661a8a7bcb"> 66</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<Cache></a> <a class="code" href="classripple_1_1DirectStepI.html#ae616c7d4e6a745e947def7661a8a7bcb">cache_</a>;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// Compute the maximum value that can flow from src->dst at</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// the best available quality.</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// return: first element is max amount that can flow,</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// second is the debt direction of the source w.r.t. the dst</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<IOUAmount, DebtDirection></a></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classripple_1_1DirectStepI.html#a2d663a3568a68e7e85b20061563b955d">maxPaymentFlow</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb) <span class="keyword">const</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"> 75</span>  <span class="comment">// Compute srcQOut and dstQIn when the source redeems.</span></div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<std::uint32_t, std::uint32_t></a></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="classripple_1_1DirectStepI.html#a155e216c2560eafc4c68f5893bde896c">qualitiesSrcRedeems</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// Compute srcQOut and dstQIn when the source issues.</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<std::uint32_t, std::uint32_t></a></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="classripple_1_1DirectStepI.html#a54ef46259a75c5f6b20a7bbb1846ffa1">qualitiesSrcIssues</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb, <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDebtDirection)</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">const</span>;</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>  <span class="comment">// Returns srcQOut, dstQIn</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<std::uint32_t, std::uint32_t></a></div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="classripple_1_1DirectStepI.html#ae17cb771e129f625a88abf9b8fb12f2f">qualities</a>(</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb,</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> srcDebtDir,</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fd">StrandDirection</a> strandDir) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a6e57ba09d98e0324114c774efcd81eed"> 92</a></span>  <a class="code" href="classripple_1_1DirectStepI.html#a6e57ba09d98e0324114c774efcd81eed">DirectStepI</a>(</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</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="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>& <a class="code" href="classripple_1_1DirectStepI.html#a98271bf69e36fe89921bd83883cfa8e8">src</a>,</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>& <a class="code" href="classripple_1_1DirectStepI.html#a41ae9ab55e416fcd5bddddf87d7aaa6e">dst</a>,</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="classripple_1_1base__uint.html">Currency</a> <span class="keyword">const</span>& c)</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  : <a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a>(<a class="code" href="classripple_1_1DirectStepI.html#a98271bf69e36fe89921bd83883cfa8e8">src</a>)</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  , <a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>(<a class="code" href="classripple_1_1DirectStepI.html#a41ae9ab55e416fcd5bddddf87d7aaa6e">dst</a>)</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  , <a class="code" href="classripple_1_1DirectStepI.html#a91369b807385ac8a15a0a1c572399e29">currency_</a>(c)</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  , <a class="code" href="classripple_1_1DirectStepI.html#a67eb405e763ec8c66e36e443180be81e">prevStep_</a>(ctx.prevStep)</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  , <a class="code" href="classripple_1_1DirectStepI.html#a9fcb3d54bb84534db6b4ac626d8c0e30">isLast_</a>(ctx.isLast)</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  , <a class="code" href="classripple_1_1DirectStepI.html#ad8d2f53038e39a2bb3ce8100a5af49b0">j_</a>(ctx.j)</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  {</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</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="l00107"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a98271bf69e36fe89921bd83883cfa8e8"> 107</a></span>  <a class="code" href="classripple_1_1DirectStepI.html#a98271bf69e36fe89921bd83883cfa8e8">src</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a>;</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>  <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="l00112"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a41ae9ab55e416fcd5bddddf87d7aaa6e"> 112</a></span>  <a class="code" href="classripple_1_1DirectStepI.html#a41ae9ab55e416fcd5bddddf87d7aaa6e">dst</a>()<span class="keyword"> const</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">return</span> <a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="classripple_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&</div>
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<div class="line"><a name="l00117"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#ad9324952ada02b5dc968e0eb87ad1789"> 117</a></span>  <a class="code" href="classripple_1_1DirectStepI.html#ad9324952ada02b5dc968e0eb87ad1789">currency</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1DirectStepI.html#a91369b807385ac8a15a0a1c572399e29">currency_</a>;</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<EitherAmount></a></div>
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<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a48138fcf5b7ec6da27b20a28a30dfe9c"> 123</a></span>  <a class="code" href="classripple_1_1DirectStepI.html#a48138fcf5b7ec6da27b20a28a30dfe9c">cachedIn</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (!<a class="code" href="classripple_1_1DirectStepI.html#ae616c7d4e6a745e947def7661a8a7bcb">cache_</a>)</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> std::nullopt;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">return</span> <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a>(<a class="code" href="classripple_1_1DirectStepI.html#ae616c7d4e6a745e947def7661a8a7bcb">cache_</a>->in);</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<EitherAmount></a></div>
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<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#aaa554e2801358a438ad379cfe46ab2a2"> 131</a></span>  <a class="code" href="classripple_1_1DirectStepI.html#aaa554e2801358a438ad379cfe46ab2a2">cachedOut</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (!<a class="code" href="classripple_1_1DirectStepI.html#ae616c7d4e6a745e947def7661a8a7bcb">cache_</a>)</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">return</span> std::nullopt;</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a>(<a class="code" href="classripple_1_1DirectStepI.html#ae616c7d4e6a745e947def7661a8a7bcb">cache_</a>->out);</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<AccountID></a></div>
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<div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a04b9359a5bba934fe09165b9f00c6a9b"> 139</a></span>  <a class="code" href="classripple_1_1DirectStepI.html#a04b9359a5bba934fe09165b9f00c6a9b">directStepSrcAcct</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a>;</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<std::pair<AccountID, AccountID></a>></div>
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<div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#abb3d424a2b63363ca51ef749695fc211"> 145</a></span>  <a class="code" href="classripple_1_1DirectStepI.html#abb3d424a2b63363ca51ef749695fc211">directStepAccts</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair/make_pair.html">std::make_pair</a>(<a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a>, <a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>);</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  </div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a></div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <a class="code" href="classripple_1_1DirectStepI.html#a082e829246bb3841a75d8f820ecd62d0">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="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/types/integer.html">std::uint32_t</a></div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="classripple_1_1DirectStepI.html#a64dac2bde0ecce5aa2e4e8b0ca4451c1">lineQualityIn</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& v) <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<std::optional<Quality></a>, <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a>></div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="classripple_1_1DirectStepI.html#afc3a13db6014986481c457965d545353">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> dir) <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  </div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<IOUAmount, IOUAmount></a></div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <a class="code" href="classripple_1_1DirectStepI.html#a4c9c5a9c56cd70ec75e87aa704b51fa3">revImp</a>(</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& afView,</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  boost::container::flat_set<uint256>& ofrsToRm,</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& out);</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>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<IOUAmount, IOUAmount></a></div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="classripple_1_1DirectStepI.html#a4f676009426e42134faf734911bacba7">fwdImp</a>(</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& afView,</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  boost::container::flat_set<uint256>& ofrsToRm,</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& in);</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  </div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</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="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="classripple_1_1DirectStepI.html#afd50370271de5d6a8a64180d5aab4875">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="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  </div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// Check for error, existing liquidity, and violations of auth/frozen</span></div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// constraints.</span></div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <a class="code" href="classripple_1_1TERSubset.html">TER</a></div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <a class="code" href="classripple_1_1DirectStepI.html#a65ac4c8d0a05df077a278d1e85732bd9">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="l00181"></a><span class="lineno"> 181</span>  </div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="classripple_1_1DirectStepI.html#a592ddeaeb2ad7b0d7bbf4b1d31cdbe00">setCacheLimiting</a>(</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& fwdIn,</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& fwdSrcToDst,</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& fwdOut,</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> srcDebtDir);</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">friend</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a94356051b68af995c7fb65da2cde9b05"> 190</a></span>  <a class="code" href="classripple_1_1DirectStepI.html#a94356051b68af995c7fb65da2cde9b05">operator==</a>(<a class="code" href="classripple_1_1DirectStepI.html">DirectStepI</a> <span class="keyword">const</span>& lhs, <a class="code" href="classripple_1_1DirectStepI.html">DirectStepI</a> <span class="keyword">const</span>& rhs)</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  {</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> lhs.<a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a> == rhs.<a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a> && lhs.<a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a> == rhs.<a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a> &&</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  lhs.<a class="code" href="classripple_1_1DirectStepI.html#a91369b807385ac8a15a0a1c572399e29">currency_</a> == rhs.<a class="code" href="classripple_1_1DirectStepI.html#a91369b807385ac8a15a0a1c572399e29">currency_</a>;</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</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="keyword">friend</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#ae9a7f7037aa6915d13be318b11441f7c"> 197</a></span>  <a class="code" href="classripple_1_1DirectStepI.html#ae9a7f7037aa6915d13be318b11441f7c">operator!=</a>(<a class="code" href="classripple_1_1DirectStepI.html">DirectStepI</a> <span class="keyword">const</span>& lhs, <a class="code" href="classripple_1_1DirectStepI.html">DirectStepI</a> <span class="keyword">const</span>& rhs)</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  {</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">return</span> !(lhs == rhs);</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  </div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</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="l00204"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a4cfe65c9734b82c11fbb773430723d49"> 204</a></span>  <a class="code" href="classripple_1_1DirectStepI.html#a4cfe65c9734b82c11fbb773430723d49">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="l00205"></a><span class="lineno"> 205</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</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="l00207"></a><span class="lineno"> 207</span>  ostr << name << <span class="stringliteral">": "</span></div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  << <span class="stringliteral">"\nSrc: "</span> << <a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a> << <span class="stringliteral">"\nDst: "</span> << <a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>;</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</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="l00210"></a><span class="lineno"> 210</span>  }</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  </div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#ac4d2e5842aa596e4d0eab527bf7c1235"> 214</a></span>  <a class="code" href="classripple_1_1DirectStepI.html#ac4d2e5842aa596e4d0eab527bf7c1235">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="l00215"></a><span class="lineno"> 215</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (<span class="keyword">auto</span> ds = <span class="keyword">dynamic_cast<</span><a class="code" href="classripple_1_1DirectStepI.html">DirectStepI</a> const*<span class="keyword">></span>(&rhs))</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="keywordflow">return</span> *<span class="keyword">this</span> == *ds;</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="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> };</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  </div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment">//------------------------------------------------------------------------------</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">// Flow is used in two different circumstances for transferring funds:</span></div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment">// o Payments, and</span></div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">// o Offer crossing.</span></div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</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="l00230"></a><span class="lineno"> 230</span> <span class="comment">// quite, the same.</span></div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment">// Payment DirectStep class (not offer crossing).</span></div>
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<div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIPaymentStep.html"> 233</a></span> <span class="keyword">class </span><a class="code" href="classripple_1_1DirectIPaymentStep.html">DirectIPaymentStep</a> : <span class="keyword">public</span> <a class="code" href="classripple_1_1DirectStepI.html">DirectStepI</a><DirectIPaymentStep></div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> {</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keyword">using</span> <a class="code" href="classripple_1_1DirectStepI.html">DirectStepI<DirectIPaymentStep>::DirectStepI</a>;</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keyword">using</span> <a class="code" href="classripple_1_1DirectStepI.html">DirectStepI<DirectIPaymentStep>::check</a>;</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  </div>
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<div class="line"><a name="l00239"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIPaymentStep.html#af38ea9909ee5832ff2f903fe0ddbaf64"> 239</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classripple_1_1DirectIPaymentStep.html#af38ea9909ee5832ff2f903fe0ddbaf64">verifyPrevStepDebtDirection</a>(<a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a>)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">// A payment doesn't care whether or not prevStepRedeems.</span></div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  </div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00246"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIPaymentStep.html#a0c9f796720b7f31d73e013be61aa7647"> 246</a></span>  <a class="code" href="classripple_1_1DirectIPaymentStep.html#a0c9f796720b7f31d73e013be61aa7647">verifyDstQualityIn</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> dstQIn)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="comment">// Payments have no particular expectations for what dstQIn will be.</span></div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  </div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</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="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="classripple_1_1DirectIPaymentStep.html#a4a58b887e96adc2864325d8b644477ab">quality</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fed">QualityDirection</a> qDir) <span class="keyword">const</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>  <span class="comment">// Compute the maximum value that can flow from src->dst at</span></div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">// the best available quality.</span></div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="comment">// return: first element is max amount that can flow,</span></div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">// second is the debt direction w.r.t. the source account</span></div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<IOUAmount, DebtDirection></a></div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="classripple_1_1DirectIPaymentStep.html#aae00e584c6bb97d00a53184600968d53">maxFlow</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb, <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& desired) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  </div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// Verify the consistency of the step. These checks are specific to</span></div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="comment">// payments and assume that general checks were already performed.</span></div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <a class="code" href="classripple_1_1TERSubset.html">TER</a></div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <a class="code" href="classripple_1_1DirectIPaymentStep.html#ac6664dd62e8555960a82fc8296db89e5">check</a>(<a class="code" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>& ctx, <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<const SLE></a> <span class="keyword">const</span>& sleSrc)</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  </div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</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="l00269"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIPaymentStep.html#a935793ebf195b583d69b2d6a4eec0105"> 269</a></span>  <a class="code" href="classripple_1_1DirectIPaymentStep.html#a935793ebf195b583d69b2d6a4eec0105">logString</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1DirectStepI.html#a4cfe65c9734b82c11fbb773430723d49">logStringImpl</a>(<span class="stringliteral">"DirectIPaymentStep"</span>);</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</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> <span class="comment">// Offer crossing DirectStep class (not a payment).</span></div>
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<div class="line"><a name="l00276"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIOfferCrossingStep.html"> 276</a></span> <span class="keyword">class </span><a class="code" href="classripple_1_1DirectIOfferCrossingStep.html">DirectIOfferCrossingStep</a> : <span class="keyword">public</span> <a class="code" href="classripple_1_1DirectStepI.html">DirectStepI</a><DirectIOfferCrossingStep></div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> {</div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keyword">using</span> <a class="code" href="classripple_1_1DirectStepI.html">DirectStepI<DirectIOfferCrossingStep>::DirectStepI</a>;</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keyword">using</span> <a class="code" href="classripple_1_1DirectStepI.html">DirectStepI<DirectIOfferCrossingStep>::check</a>;</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  </div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00283"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIOfferCrossingStep.html#a6039125562c13d8d9cda5cbc27a37088"> 283</a></span>  <a class="code" href="classripple_1_1DirectIOfferCrossingStep.html#a6039125562c13d8d9cda5cbc27a37088">verifyPrevStepDebtDirection</a>(<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="l00284"></a><span class="lineno"> 284</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// During offer crossing we rely on the fact that prevStepRedeems</span></div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">// will *always* issue. That's because:</span></div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="comment">// o If there's a prevStep_, it will always be a BookStep.</span></div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="comment">// o BookStep::debtDirection() aways returns `issues` when offer</span></div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">// crossing.</span></div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">// An assert based on this return value will tell us if that</span></div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// behavior changes.</span></div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#aa820916190755272f4ce837d5169020a">issues</a>(prevStepDir);</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  }</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  </div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00296"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIOfferCrossingStep.html#a63423a9ddbef8bb35b8da9acdb75fb9f"> 296</a></span>  <a class="code" href="classripple_1_1DirectIOfferCrossingStep.html#a63423a9ddbef8bb35b8da9acdb75fb9f">verifyDstQualityIn</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> dstQIn)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// Due to a couple of factors dstQIn is always QUALITY_ONE for</span></div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// offer crossing. If that changes we need to know.</span></div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">return</span> dstQIn == QUALITY_ONE;</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/types/integer.html">std::uint32_t</a></div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <a class="code" href="classripple_1_1DirectIOfferCrossingStep.html#a31c9d1e91decf21abbbe9a3d9fb03807">quality</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fed">QualityDirection</a> qDir) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  </div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// Compute the maximum value that can flow from src->dst at</span></div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="comment">// the best available quality.</span></div>
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// return: first element is max amount that can flow,</span></div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="comment">// second is the debt direction w.r.t the source</span></div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<IOUAmount, DebtDirection></a></div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="classripple_1_1DirectIOfferCrossingStep.html#a2063c406071d5559a02d480b16bbb80a">maxFlow</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb, <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& desired) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  </div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="comment">// Verify the consistency of the step. These checks are specific to</span></div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="comment">// offer crossing and assume that general checks were already performed.</span></div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <a class="code" href="classripple_1_1TERSubset.html">TER</a></div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <a class="code" href="classripple_1_1DirectIOfferCrossingStep.html#ad6cae177830a23cd1ce1fcf7133b0d6d">check</a>(<a class="code" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>& ctx, <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<const SLE></a> <span class="keyword">const</span>& sleSrc)</div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  </div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</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="l00320"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIOfferCrossingStep.html#a294701722feba3910163f20e2e2a3aa1"> 320</a></span>  <a class="code" href="classripple_1_1DirectIOfferCrossingStep.html#a294701722feba3910163f20e2e2a3aa1">logString</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1DirectStepI.html#a4cfe65c9734b82c11fbb773430723d49">logStringImpl</a>(<span class="stringliteral">"DirectIOfferCrossingStep"</span>);</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> };</div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  </div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  </div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</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="l00329"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIPaymentStep.html#a4a58b887e96adc2864325d8b644477ab"> 329</a></span> <a class="code" href="classripple_1_1DirectIPaymentStep.html#a4a58b887e96adc2864325d8b644477ab">DirectIPaymentStep::quality</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fed">QualityDirection</a> qDir)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (<a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a> == <a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>)</div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">return</span> QUALITY_ONE;</div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  </div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keyword">auto</span> <span class="keyword">const</span> sle = sb.<a class="code" href="classripple_1_1ReadView.html#a3351e0244f921234d5ba005a07ddf539">read</a>(<a class="code" href="namespaceripple_1_1keylet.html#ad7913ec52c58534ee1601ab21956123f">keylet::line</a>(<a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>, <a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a>, <a class="code" href="classripple_1_1DirectStepI.html#a91369b807385ac8a15a0a1c572399e29">currency_</a>));</div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  </div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">if</span> (!sle)</div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">return</span> QUALITY_ONE;</div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  </div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keyword">auto</span> <span class="keyword">const</span>& field = [<span class="keyword">this</span>, qDir]() -> <a class="code" href="structripple_1_1TypedField.html">SF_UINT32</a> <span class="keyword">const</span>& {</div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">if</span> (qDir == <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">QualityDirection::in</a>)</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="comment">// compute dst quality in</span></div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">if</span> (this->dst_ < this-><a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a>)</div>
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<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a5f253588b453da01372349113be2de51">sfLowQualityIn</a>;</div>
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a737c7b8041d83ee0085bbc8d95c419ef">sfHighQualityIn</a>;</div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  }</div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  {</div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="comment">// compute src quality out</span></div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">if</span> (this->src_ < this-><a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>)</div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a2718167efdb95710144d9ffaf53d65d3">sfLowQualityOut</a>;</div>
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a22c92283f49e814f4fb31a159d962553">sfHighQualityOut</a>;</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  }();</div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  </div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">if</span> (!sle->isFieldPresent(field))</div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">return</span> QUALITY_ONE;</div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  </div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keyword">auto</span> <span class="keyword">const</span> q = (*sle)[field];</div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">if</span> (!q)</div>
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">return</span> QUALITY_ONE;</div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">return</span> q;</div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> }</div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  </div>
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</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="l00368"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIOfferCrossingStep.html#a31c9d1e91decf21abbbe9a3d9fb03807"> 368</a></span> <a class="code" href="classripple_1_1DirectIOfferCrossingStep.html#a31c9d1e91decf21abbbe9a3d9fb03807">DirectIOfferCrossingStep::quality</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fed">QualityDirection</a> qDir)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="comment">// If offer crossing then ignore trust line Quality fields. This</span></div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="comment">// preserves a long-standing tradition.</span></div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">return</span> QUALITY_ONE;</div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> }</div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  </div>
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<IOUAmount, DebtDirection></a></div>
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<div class="line"><a name="l00376"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIPaymentStep.html#aae00e584c6bb97d00a53184600968d53"> 376</a></span> <a class="code" href="classripple_1_1DirectIPaymentStep.html#aae00e584c6bb97d00a53184600968d53">DirectIPaymentStep::maxFlow</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb, <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>&)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1DirectStepI.html#a2d663a3568a68e7e85b20061563b955d">maxPaymentFlow</a>(sb);</div>
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<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> }</div>
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<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  </div>
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<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<IOUAmount, DebtDirection></a></div>
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<div class="line"><a name="l00382"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIOfferCrossingStep.html#a2063c406071d5559a02d480b16bbb80a"> 382</a></span> <a class="code" href="classripple_1_1DirectIOfferCrossingStep.html#a2063c406071d5559a02d480b16bbb80a">DirectIOfferCrossingStep::maxFlow</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb, <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& desired)<span class="keyword"></span></div>
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<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="keyword"> const</span></div>
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<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="comment">// When isLast and offer crossing then ignore trust line limits. Offer</span></div>
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<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="comment">// crossing has the ability to exceed the limit set by a trust line.</span></div>
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<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="comment">// We presume that if someone is creating an offer then they intend to</span></div>
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<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="comment">// fill as much of that offer as possible, even if the offer exceeds</span></div>
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<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="comment">// the limit that a trust line sets.</span></div>
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<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="comment">// A note on using "out" as the desired parameter for maxFlow. In some</span></div>
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<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="comment">// circumstances during payments we end up needing a value larger than</span></div>
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<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="comment">// "out" for "maxSrcToDst". But as of now (June 2016) that never happens</span></div>
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<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="comment">// during offer crossing. That's because, due to a couple of factors,</span></div>
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<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="comment">// "dstQIn" is always QUALITY_ONE for offer crossing.</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="keywordflow">if</span> (<a class="code" href="classripple_1_1DirectStepI.html#a9fcb3d54bb84534db6b4ac626d8c0e30">isLast_</a>)</div>
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<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">return</span> {desired, <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>};</div>
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<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  </div>
|
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<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1DirectStepI.html#a2d663a3568a68e7e85b20061563b955d">maxPaymentFlow</a>(sb);</div>
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<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> }</div>
|
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<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  </div>
|
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<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <a class="code" href="classripple_1_1TERSubset.html">TER</a></div>
|
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<div class="line"><a name="l00404"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIPaymentStep.html#ac6664dd62e8555960a82fc8296db89e5"> 404</a></span> <a class="code" href="classripple_1_1DirectIPaymentStep.html#ac6664dd62e8555960a82fc8296db89e5">DirectIPaymentStep::check</a>(</div>
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<div class="line"><a name="l00405"></a><span class="lineno"> 405</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="l00406"></a><span class="lineno"> 406</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<const SLE></a> <span class="keyword">const</span>& sleSrc)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="comment">// Since this is a payment a trust line must be present. Perform all</span></div>
|
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<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="comment">// trust line related checks.</span></div>
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<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  {</div>
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<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keyword">auto</span> <span class="keyword">const</span> sleLine = ctx.<a class="code" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>.<a class="code" href="classripple_1_1ReadView.html#a3351e0244f921234d5ba005a07ddf539">read</a>(<a class="code" href="namespaceripple_1_1keylet.html#ad7913ec52c58534ee1601ab21956123f">keylet::line</a>(<a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a>, <a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>, <a class="code" href="classripple_1_1DirectStepI.html#a91369b807385ac8a15a0a1c572399e29">currency_</a>));</div>
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span> (!sleLine)</div>
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<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  {</div>
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<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  JLOG(<a class="code" href="classripple_1_1DirectStepI.html#ad8d2f53038e39a2bb3ce8100a5af49b0">j_</a>.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"DirectStepI: No credit line. "</span> << *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162fae9a023686bac48d78ee1d9d7aaa95b5f">terNO_LINE</a>;</div>
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<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div>
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<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  </div>
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<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keyword">auto</span> <span class="keyword">const</span> authField = (<a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a> > <a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>) ? <a class="code" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5ae6db21adf463a223e362b44f0fd54663">lsfHighAuth</a> : <a class="code" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5af37617abe9ad741cd823746961f1fb3a">lsfLowAuth</a>;</div>
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<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  </div>
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<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">if</span> (((*sleSrc)[<a class="code" href="namespaceripple.html#ac1371098a8a7c1e1238290d0220dc941">sfFlags</a>] & <a class="code" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a44c3bc643086a0beb87e3aaeb544e6ad">lsfRequireAuth</a>) &&</div>
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<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  !((*sleLine)[<a class="code" href="namespaceripple.html#ac1371098a8a7c1e1238290d0220dc941">sfFlags</a>] & authField) &&</div>
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<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  (*sleLine)[<a class="code" href="namespaceripple.html#ab8a9c54401e8209fca7396c6b9c610f4">sfBalance</a>] == beast::zero)</div>
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<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  {</div>
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<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  JLOG(<a class="code" href="classripple_1_1DirectStepI.html#ad8d2f53038e39a2bb3ce8100a5af49b0">j_</a>.<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>())</div>
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<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  << <span class="stringliteral">"DirectStepI: can't receive IOUs from issuer without auth."</span></div>
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<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  << <span class="stringliteral">" src: "</span> << <a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a>;</div>
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<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162faccec22dfce11ac7d31150921b257ee80">terNO_AUTH</a>;</div>
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<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  }</div>
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<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  </div>
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<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">if</span> (ctx.<a class="code" href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">prevStep</a>)</div>
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<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  {</div>
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<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">if</span> (ctx.<a class="code" href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">prevStep</a>-><a class="code" href="classripple_1_1Step.html#a6fdf5073d616414671f6ec1caa4a7744">bookStepBook</a>())</div>
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<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  {</div>
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<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keyword">auto</span> <span class="keyword">const</span> noRippleSrcToDst =</div>
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<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  ((*sleLine)[<a class="code" href="namespaceripple.html#ac1371098a8a7c1e1238290d0220dc941">sfFlags</a>] &</div>
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<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  ((<a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a> > <a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>) ? <a class="code" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a3f3817fa4e1147bc1ea78c56aaf12632">lsfHighNoRipple</a> : <a class="code" href="namespaceripple.html#a4a9c7b33fef9015d6406302ef80b63c5a503af0c7122f0c0f33e7ea4b7deee1d3">lsfLowNoRipple</a>));</div>
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<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">if</span> (noRippleSrcToDst)</div>
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<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162faadb84abae8e5aa672e05db5ed3282054">terNO_RIPPLE</a>;</div>
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<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  }</div>
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<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  }</div>
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<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  }</div>
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<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  </div>
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<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  {</div>
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<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keyword">auto</span> <span class="keyword">const</span> owed = <a class="code" href="namespaceripple.html#a676d0eac3fcb58c8634598bab4f5554b">creditBalance</a>(ctx.<a class="code" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>, <a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>, <a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a>, <a class="code" href="classripple_1_1DirectStepI.html#a91369b807385ac8a15a0a1c572399e29">currency_</a>);</div>
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<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">if</span> (owed <= beast::zero)</div>
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<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  {</div>
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<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keyword">auto</span> <span class="keyword">const</span> limit = <a class="code" href="namespaceripple.html#a59b34a5a4179de5ca0ebd178b26c5767">creditLimit</a>(ctx.<a class="code" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>, <a class="code" href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">dst_</a>, <a class="code" href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">src_</a>, <a class="code" href="classripple_1_1DirectStepI.html#a91369b807385ac8a15a0a1c572399e29">currency_</a>);</div>
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<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">if</span> (-owed >= limit)</div>
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<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  {</div>
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<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  JLOG(<a class="code" href="classripple_1_1DirectStepI.html#ad8d2f53038e39a2bb3ce8100a5af49b0">j_</a>.<a class="code" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) << <span class="stringliteral">"DirectStepI: dry: owed: "</span> << owed</div>
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<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  << <span class="stringliteral">" limit: "</span> << limit;</div>
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<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#aa298e929e02f59c2b05a30ee8805b38cad7c0f4891446922b7248ed12f2207a57">tecPATH_DRY</a>;</div>
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<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  }</div>
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<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div>
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<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</div>
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<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>;</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> <a class="code" href="classripple_1_1TERSubset.html">TER</a></div>
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<div class="line"><a name="l00460"></a><span class="lineno"><a class="line" href="classripple_1_1DirectIOfferCrossingStep.html#ad6cae177830a23cd1ce1fcf7133b0d6d"> 460</a></span> <a class="code" href="classripple_1_1DirectIOfferCrossingStep.html#ad6cae177830a23cd1ce1fcf7133b0d6d">DirectIOfferCrossingStep::check</a>(</div>
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<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <a class="code" href="structripple_1_1StrandContext.html">StrandContext</a> <span class="keyword">const</span>&,</div>
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<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<const SLE></a> <span class="keyword">const</span>&)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="comment">// The standard checks are all we can do because any remaining checks</span></div>
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<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="comment">// require the existence of a trust line. Offer crossing does not</span></div>
|
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<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="comment">// require a pre-existing trust line.</span></div>
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<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>;</div>
|
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<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> }</div>
|
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<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  </div>
|
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<div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
|
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<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  </div>
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<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
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<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<IOUAmount, DebtDirection></a></div>
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<div class="line"><a name="l00474"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a2d663a3568a68e7e85b20061563b955d"> 474</a></span> <a class="code" href="classripple_1_1DirectStepI.html#a2d663a3568a68e7e85b20061563b955d">DirectStepI<TDerived>::maxPaymentFlow</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="keyword">auto</span> <span class="keyword">const</span> srcOwed = <a class="code" href="namespaceripple.html#a65dcac5799993b276e705961c3eee024">toAmount<IOUAmount></a>(</div>
|
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<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <a class="code" href="namespaceripple.html#ab001e43f50e612727b1ce5985a2770d6">accountHolds</a>(sb, src_, currency_, dst_, <a class="code" href="namespaceripple.html#a17a9a9b903b66e49f5413d82ce79f085a91e3c4f8089025c7ecf66dd62b822d90">fhIGNORE_FREEZE</a>, j_));</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  </div>
|
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<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">if</span> (srcOwed.signum() > 0)</div>
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<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">return</span> {srcOwed, <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401ea7e611dd9f79193db43a5e9983752239e">DebtDirection::redeems</a>};</div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  </div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="comment">// srcOwed is negative or zero</span></div>
|
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<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">return</span> {</div>
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<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <a class="code" href="namespaceripple.html#ac8f0e665814bff445a0a352ae56790c9">creditLimit2</a>(sb, dst_, src_, currency_) + srcOwed,</div>
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<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>};</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span> }</div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  </div>
|
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<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
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<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a></div>
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<div class="line"><a name="l00490"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a082e829246bb3841a75d8f820ecd62d0"> 490</a></span> <a class="code" href="classripple_1_1DirectStepI.html#a082e829246bb3841a75d8f820ecd62d0">DirectStepI<TDerived>::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"></span></div>
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<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="keyword"> const</span></div>
|
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<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">if</span> (dir == <a class="code" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda965dbaac085fc891bfbbd4f9d145bbc8">StrandDirection::forward</a> && cache_)</div>
|
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<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">return</span> cache_->srcDebtDir;</div>
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<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  </div>
|
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<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keyword">auto</span> <span class="keyword">const</span> srcOwed =</div>
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<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <a class="code" href="namespaceripple.html#ab001e43f50e612727b1ce5985a2770d6">accountHolds</a>(sb, src_, currency_, dst_, <a class="code" href="namespaceripple.html#a17a9a9b903b66e49f5413d82ce79f085a91e3c4f8089025c7ecf66dd62b822d90">fhIGNORE_FREEZE</a>, j_);</div>
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<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">return</span> srcOwed.signum() > 0 ? <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401ea7e611dd9f79193db43a5e9983752239e">DebtDirection::redeems</a></div>
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<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  : <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>;</div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> }</div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  </div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
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<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<IOUAmount, IOUAmount></a></div>
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<div class="line"><a name="l00504"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a4c9c5a9c56cd70ec75e87aa704b51fa3"> 504</a></span> <a class="code" href="classripple_1_1DirectStepI.html#a4c9c5a9c56cd70ec75e87aa704b51fa3">DirectStepI<TDerived>::revImp</a>(</div>
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<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
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<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& <span class="comment">/*afView*/</span>,</div>
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|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  boost::container::flat_set<uint256>& <span class="comment">/*ofrsToRm*/</span>,</div>
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|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& out)</div>
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|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span> {</div>
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|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  cache_.reset();</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  </div>
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<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keyword">auto</span> <span class="keyword">const</span> [maxSrcToDst, srcDebtDir] =</div>
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|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->maxFlow(sb, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
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<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  </div>
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<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keyword">auto</span> <span class="keyword">const</span> [srcQOut, dstQIn] =</div>
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<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  qualities(sb, srcDebtDir, <a class="code" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda4d9c2073afa3c2abb817dceb22c34de6">StrandDirection::reverse</a>);</div>
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<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  assert(<span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->verifyDstQualityIn(dstQIn));</div>
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<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  </div>
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<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span> srcToDstIss(currency_, <a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(srcDebtDir) ? dst_ : src_);</div>
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<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  </div>
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<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"DirectStepI::rev"</span></div>
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<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  << <span class="stringliteral">" srcRedeems: "</span> << <a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(srcDebtDir)</div>
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<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  << <span class="stringliteral">" outReq: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>)</div>
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<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  << <span class="stringliteral">" maxSrcToDst: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(maxSrcToDst)</div>
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<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  << <span class="stringliteral">" srcQOut: "</span> << srcQOut << <span class="stringliteral">" dstQIn: "</span> << dstQIn;</div>
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<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  </div>
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<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">if</span> (maxSrcToDst.signum() <= 0)</div>
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<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  {</div>
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<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"DirectStepI::rev: dry"</span>;</div>
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<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  cache_.emplace(</div>
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<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a>(beast::zero),</div>
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<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a>(beast::zero),</div>
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<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a>(beast::zero),</div>
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<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  srcDebtDir);</div>
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<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keywordflow">return</span> {beast::zero, beast::zero};</div>
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<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  }</div>
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<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  </div>
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<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> srcToDst =</div>
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<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>, QUALITY_ONE, dstQIn, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</div>
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<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  </div>
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<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordflow">if</span> (srcToDst <= maxSrcToDst)</div>
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<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  {</div>
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<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a> =</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>(srcToDst, srcQOut, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</div>
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<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  cache_.emplace(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, srcToDst, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>, srcDebtDir);</div>
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<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <a class="code" href="namespaceripple.html#aa41db33791d7383170c31ad3910bcb33">rippleCredit</a>(</div>
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<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  sb,</div>
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<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  src_,</div>
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<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  dst_,</div>
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<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <a class="code" href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">toSTAmount</a>(srcToDst, srcToDstIss),</div>
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<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="comment">/*checkIssuer*/</span> <span class="keyword">true</span>,</div>
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<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  j_);</div>
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<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"DirectStepI::rev: Non-limiting"</span></div>
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<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  << <span class="stringliteral">" srcRedeems: "</span> << <a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(srcDebtDir)</div>
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<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  << <span class="stringliteral">" in: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
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<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  << <span class="stringliteral">" srcToDst: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(srcToDst)</div>
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<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  << <span class="stringliteral">" out: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
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|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">return</span> {<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="l00559"></a><span class="lineno"> 559</span>  }</div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  </div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="comment">// limiting node</span></div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a> =</div>
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|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(maxSrcToDst, srcQOut, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> actualOut =</div>
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|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(maxSrcToDst, dstQIn, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
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|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  cache_.emplace(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, maxSrcToDst, actualOut, srcDebtDir);</div>
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|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <a class="code" href="namespaceripple.html#aa41db33791d7383170c31ad3910bcb33">rippleCredit</a>(</div>
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|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  sb,</div>
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|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  src_,</div>
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|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  dst_,</div>
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|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <a class="code" href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">toSTAmount</a>(maxSrcToDst, srcToDstIss),</div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="comment">/*checkIssuer*/</span> <span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  j_);</div>
|
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<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"DirectStepI::rev: Limiting"</span></div>
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|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  << <span class="stringliteral">" srcRedeems: "</span> << <a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(srcDebtDir)</div>
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|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  << <span class="stringliteral">" in: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  << <span class="stringliteral">" srcToDst: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(maxSrcToDst)</div>
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|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  << <span class="stringliteral">" out: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
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|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keywordflow">return</span> {<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, actualOut};</div>
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<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> }</div>
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<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  </div>
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<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> <span class="comment">// The forward pass should never have more liquidity than the reverse</span></div>
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<div class="line"><a name="l00583"></a><span class="lineno"> 583</span> <span class="comment">// pass. But sometimes rounding differences cause the forward pass to</span></div>
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|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="comment">// deliver more liquidity. Use the cached values from the reverse pass</span></div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="comment">// to prevent this.</span></div>
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<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
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<div class="line"><a name="l00587"></a><span class="lineno"> 587</span> <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00588"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a592ddeaeb2ad7b0d7bbf4b1d31cdbe00"> 588</a></span> <a class="code" href="classripple_1_1DirectStepI.html#a592ddeaeb2ad7b0d7bbf4b1d31cdbe00">DirectStepI<TDerived>::setCacheLimiting</a>(</div>
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<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& fwdIn,</div>
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<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& fwdSrcToDst,</div>
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<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& fwdOut,</div>
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<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> srcDebtDir)</div>
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<div class="line"><a name="l00593"></a><span class="lineno"> 593</span> {</div>
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<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keywordflow">if</span> (cache_->in < fwdIn)</div>
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<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  {</div>
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<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> smallDiff(1, -9);</div>
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<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keyword">auto</span> <span class="keyword">const</span> diff = fwdIn - cache_->in;</div>
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<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <span class="keywordflow">if</span> (diff > smallDiff)</div>
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<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  {</div>
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<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keywordflow">if</span> (fwdIn.<a class="code" href="classripple_1_1IOUAmount.html#a4123b52991469e91f146e23382f49d6c">exponent</a>() != cache_->in.exponent() ||</div>
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<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  !cache_->in.mantissa() ||</div>
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<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  (<span class="keywordtype">double</span>(fwdIn.<a class="code" href="classripple_1_1IOUAmount.html#a7569b6462cf1abb6018ccfbe8428bfab">mantissa</a>()) / <span class="keywordtype">double</span>(cache_->in.mantissa())) ></div>
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<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  1.01)</div>
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<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  {</div>
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<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="comment">// Detect large diffs on forward pass so they may be</span></div>
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|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <span class="comment">// investigated</span></div>
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<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>())</div>
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<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  << <span class="stringliteral">"DirectStepI::fwd: setCacheLimiting"</span></div>
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<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  << <span class="stringliteral">" fwdIn: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(fwdIn)</div>
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<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  << <span class="stringliteral">" cacheIn: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(cache_->in)</div>
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<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  << <span class="stringliteral">" fwdSrcToDst: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(fwdSrcToDst)</div>
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<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  << <span class="stringliteral">" cacheSrcToDst: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(cache_->srcToDst)</div>
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<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  << <span class="stringliteral">" fwdOut: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(fwdOut)</div>
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<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  << <span class="stringliteral">" cacheOut: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(cache_->out);</div>
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<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  cache_.emplace(fwdIn, fwdSrcToDst, fwdOut, srcDebtDir);</div>
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<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  }</div>
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<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  }</div>
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<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  }</div>
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<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  cache_->in = fwdIn;</div>
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<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keywordflow">if</span> (fwdSrcToDst < cache_->srcToDst)</div>
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<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  cache_->srcToDst = fwdSrcToDst;</div>
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<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keywordflow">if</span> (fwdOut < cache_-><a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>)</div>
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|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  cache_->out = fwdOut;</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  cache_->srcDebtDir = srcDebtDir;</div>
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<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> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
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<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<IOUAmount, IOUAmount></a></div>
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<div class="line"><a name="l00630"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a4f676009426e42134faf734911bacba7"> 630</a></span> <a class="code" href="classripple_1_1DirectStepI.html#a4f676009426e42134faf734911bacba7">DirectStepI<TDerived>::fwdImp</a>(</div>
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<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& <span class="comment">/*afView*/</span>,</div>
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|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  boost::container::flat_set<uint256>& <span class="comment">/*ofrsToRm*/</span>,</div>
|
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<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span>& in)</div>
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|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span> {</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  assert(cache_);</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  </div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="keyword">auto</span> <span class="keyword">const</span> [maxSrcToDst, srcDebtDir] =</div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->maxFlow(sb, cache_->srcToDst);</div>
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|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  </div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keyword">auto</span> <span class="keyword">const</span> [srcQOut, dstQIn] =</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  qualities(sb, srcDebtDir, <a class="code" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fda965dbaac085fc891bfbbd4f9d145bbc8">StrandDirection::forward</a>);</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>  <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span> srcToDstIss(currency_, <a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(srcDebtDir) ? dst_ : src_);</div>
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|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  </div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"DirectStepI::fwd"</span></div>
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|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  << <span class="stringliteral">" srcRedeems: "</span> << <a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(srcDebtDir)</div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  << <span class="stringliteral">" inReq: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  << <span class="stringliteral">" maxSrcToDst: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(maxSrcToDst)</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  << <span class="stringliteral">" srcQOut: "</span> << srcQOut << <span class="stringliteral">" dstQIn: "</span> << dstQIn;</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> (maxSrcToDst.signum() <= 0)</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>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"DirectStepI::fwd: dry"</span>;</div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  cache_.emplace(</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a>(beast::zero),</div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a>(beast::zero),</div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a>(beast::zero),</div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  srcDebtDir);</div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="keywordflow">return</span> {beast::zero, beast::zero};</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>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> srcToDst =</div>
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|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, QUALITY_ONE, srcQOut, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  </div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="keywordflow">if</span> (srcToDst <= maxSrcToDst)</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>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a> =</div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(srcToDst, dstQIn, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  setCacheLimiting(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, srcToDst, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>, srcDebtDir);</div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <a class="code" href="namespaceripple.html#aa41db33791d7383170c31ad3910bcb33">rippleCredit</a>(</div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  sb,</div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  src_,</div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  dst_,</div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <a class="code" href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">toSTAmount</a>(cache_->srcToDst, srcToDstIss),</div>
|
|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="comment">/*checkIssuer*/</span> <span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  j_);</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"DirectStepI::fwd: Non-limiting"</span></div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  << <span class="stringliteral">" srcRedeems: "</span> << <a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(srcDebtDir)</div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  << <span class="stringliteral">" in: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>)</div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  << <span class="stringliteral">" srcToDst: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(srcToDst)</div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  << <span class="stringliteral">" out: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  }</div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  {</div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="comment">// limiting node</span></div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> actualIn =</div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(maxSrcToDst, srcQOut, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a> <span class="keyword">const</span> <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a> =</div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <a class="code" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(maxSrcToDst, dstQIn, QUALITY_ONE, <span class="comment">/*roundUp*/</span> <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  setCacheLimiting(actualIn, maxSrcToDst, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>, srcDebtDir);</div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <a class="code" href="namespaceripple.html#aa41db33791d7383170c31ad3910bcb33">rippleCredit</a>(</div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  sb,</div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  src_,</div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  dst_,</div>
|
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <a class="code" href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">toSTAmount</a>(cache_->srcToDst, srcToDstIss),</div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  <span class="comment">/*checkIssuer*/</span> <span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  j_);</div>
|
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"DirectStepI::rev: Limiting"</span></div>
|
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  << <span class="stringliteral">" srcRedeems: "</span> << <a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(srcDebtDir)</div>
|
|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  << <span class="stringliteral">" in: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(actualIn)</div>
|
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  << <span class="stringliteral">" srcToDst: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(srcToDst)</div>
|
|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  << <span class="stringliteral">" out: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>);</div>
|
|
<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>  <span class="keywordflow">return</span> {cache_->in, cache_->out};</div>
|
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span> }</div>
|
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  </div>
|
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
|
|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</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="l00710"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#afd50370271de5d6a8a64180d5aab4875"> 710</a></span> <a class="code" href="classripple_1_1DirectStepI.html#afd50370271de5d6a8a64180d5aab4875">DirectStepI<TDerived>::validFwd</a>(</div>
|
|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <a class="code" href="classripple_1_1PaymentSandbox.html">PaymentSandbox</a>& sb,</div>
|
|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  <a class="code" href="classripple_1_1ApplyView.html">ApplyView</a>& afView,</div>
|
|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a> <span class="keyword">const</span>& in)</div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span> {</div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="keywordflow">if</span> (!cache_)</div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  {</div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</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="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">return</span> {<span class="keyword">false</span>, <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a>(<a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a>(beast::zero))};</div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  }</div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  </div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="keyword">auto</span> <span class="keyword">const</span> savCache = *cache_;</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  </div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  assert(!<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.native);</div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  </div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <span class="keyword">auto</span> <span class="keyword">const</span> [maxSrcToDst, srcDebtDir] =</div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->maxFlow(sb, cache_->srcToDst);</div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  (void)srcDebtDir;</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>  <span class="keywordflow">try</span></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>  boost::container::flat_set<uint256> dummy;</div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  fwdImp(sb, afView, dummy, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.iou); <span class="comment">// changes cache</span></div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  }</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="keywordflow">catch</span> (FlowException <span class="keyword">const</span>&)</div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  {</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="keywordflow">return</span> {<span class="keyword">false</span>, <a class="code" href="structripple_1_1EitherAmount.html">EitherAmount</a>(<a class="code" href="classripple_1_1IOUAmount.html">IOUAmount</a>(beast::zero))};</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>  </div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="keywordflow">if</span> (maxSrcToDst < cache_->srcToDst)</div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  {</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) << <span class="stringliteral">"DirectStepI: Strand re-execute check failed."</span></div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  << <span class="stringliteral">" Exceeded max src->dst limit"</span></div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  << <span class="stringliteral">" max src->dst: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(maxSrcToDst)</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  << <span class="stringliteral">" actual src->dst: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(cache_->srcToDst);</div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</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="l00746"></a><span class="lineno"> 746</span>  }</div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  </div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</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="l00749"></a><span class="lineno"> 749</span>  <a class="code" href="namespaceripple.html#a948ed7ae32de8014f0a5f421f36bedc1">checkNear</a>(savCache.out, cache_->out)))</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>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) << <span class="stringliteral">"DirectStepI: Strand re-execute check failed."</span></div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  << <span class="stringliteral">" ExpectedIn: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(savCache.in)</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  << <span class="stringliteral">" CachedIn: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(cache_->in)</div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  << <span class="stringliteral">" ExpectedOut: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(savCache.out)</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  << <span class="stringliteral">" CachedOut: "</span> << <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(cache_->out);</div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</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="l00757"></a><span class="lineno"> 757</span>  }</div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</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="l00759"></a><span class="lineno"> 759</span> }</div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  </div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span> <span class="comment">// Returns srcQOut, dstQIn</span></div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<std::uint32_t, std::uint32_t></a></div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a155e216c2560eafc4c68f5893bde896c"> 764</a></span> <a class="code" href="classripple_1_1DirectStepI.html#a155e216c2560eafc4c68f5893bde896c">DirectStepI<TDerived>::qualitiesSrcRedeems</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb)<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="keywordflow">if</span> (!prevStep_)</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="keywordflow">return</span> {QUALITY_ONE, QUALITY_ONE};</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  </div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  <span class="keyword">auto</span> <span class="keyword">const</span> prevStepQIn = prevStep_->lineQualityIn(sb);</div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  <span class="keyword">auto</span> srcQOut =</div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  <span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->quality(sb, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">QualityDirection::out</a>);</div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  </div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  <span class="keywordflow">if</span> (prevStepQIn > srcQOut)</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  srcQOut = prevStepQIn;</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <span class="keywordflow">return</span> {srcQOut, QUALITY_ONE};</div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span> }</div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  </div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span> <span class="comment">// Returns srcQOut, dstQIn</span></div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<std::uint32_t, std::uint32_t></a></div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a54ef46259a75c5f6b20a7bbb1846ffa1"> 781</a></span> <a class="code" href="classripple_1_1DirectStepI.html#a54ef46259a75c5f6b20a7bbb1846ffa1">DirectStepI<TDerived>::qualitiesSrcIssues</a>(</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb,</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDebtDirection)<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  <span class="comment">// Charge a transfer rate when issuing and previous step redeems</span></div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  </div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  assert(<span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->verifyPrevStepDebtDirection(</div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  prevStepDebtDirection));</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>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> srcQOut = <a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(prevStepDebtDirection)</div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  ? <a class="code" href="namespaceripple.html#a9ad0749604cda5299e9af18bf08cb830">transferRate</a>(sb, src_).<a class="code" href="structripple_1_1Rate.html#a59fd441d04e641347e6dc62c2301f671">value</a></div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  : QUALITY_ONE;</div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="keyword">auto</span> dstQIn =</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->quality(sb, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">QualityDirection::in</a>);</div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  </div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="keywordflow">if</span> (isLast_ && dstQIn > QUALITY_ONE)</div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  dstQIn = QUALITY_ONE;</div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <span class="keywordflow">return</span> {srcQOut, dstQIn};</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span> }</div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  </div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span> <span class="comment">// Returns srcQOut, dstQIn</span></div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<std::uint32_t, std::uint32_t></a></div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#ae17cb771e129f625a88abf9b8fb12f2f"> 804</a></span> <a class="code" href="classripple_1_1DirectStepI.html#ae17cb771e129f625a88abf9b8fb12f2f">DirectStepI<TDerived>::qualities</a>(</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& sb,</div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> srcDebtDir,</div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <a class="code" href="namespaceripple.html#a2fca0f72cfacc04d15ad41d84ebf46fd">StrandDirection</a> strandDir)<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(srcDebtDir))</div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  {</div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <span class="keywordflow">return</span> qualitiesSrcRedeems(sb);</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="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  {</div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keyword">auto</span> <span class="keyword">const</span> prevStepDebtDirection = [&] {</div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="keywordflow">if</span> (prevStep_)</div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="keywordflow">return</span> prevStep_->debtDirection(sb, strandDir);</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401eafe5fe0415fc3e0ff4942d8454f363d2c">DebtDirection::issues</a>;</div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  }();</div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  <span class="keywordflow">return</span> qualitiesSrcIssues(sb, prevStepDebtDirection);</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  }</div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span> }</div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  </div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a64dac2bde0ecce5aa2e4e8b0ca4451c1"> 826</a></span> <a class="code" href="classripple_1_1DirectStepI.html#a64dac2bde0ecce5aa2e4e8b0ca4451c1">DirectStepI<TDerived>::lineQualityIn</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& v)<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <span class="comment">// dst quality in</span></div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->quality(v, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">QualityDirection::in</a>);</div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span> }</div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  </div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<std::optional<Quality></a>, <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a>></div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#afc3a13db6014986481c457965d545353"> 834</a></span> <a class="code" href="classripple_1_1DirectStepI.html#afc3a13db6014986481c457965d545353">DirectStepI<TDerived>::qualityUpperBound</a>(</div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  <a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& v,</div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <a class="code" href="namespaceripple.html#a8c623abdba7fa97ffd148311056d401e">DebtDirection</a> prevStepDir)<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</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>
|
|
<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="keywordflow">if</span> (!v.<a class="code" href="classripple_1_1ReadView.html#aaf2fa03be723bb78d8bdf41614a75a30">rules</a>().<a class="code" href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">enabled</a>(<a class="code" href="namespaceripple.html#a0925502ed5ba18e4eaec5b16b1f552c0">fixQualityUpperBound</a>))</div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  {</div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> srcQOut = [&]() -> <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> {</div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(prevStepDir) && <a class="code" href="namespaceripple.html#aa820916190755272f4ce837d5169020a">issues</a>(dir))</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a9ad0749604cda5299e9af18bf08cb830">transferRate</a>(v, src_).<a class="code" href="structripple_1_1Rate.html#a59fd441d04e641347e6dc62c2301f671">value</a>;</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="keywordflow">return</span> QUALITY_ONE;</div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  }();</div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  <span class="keyword">auto</span> dstQIn = <span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->quality(</div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  v, <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">QualityDirection::in</a>);</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>  <span class="keywordflow">if</span> (isLast_ && dstQIn > QUALITY_ONE)</div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  dstQIn = QUALITY_ONE;</div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span> iss{currency_, src_};</div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <span class="keywordflow">return</span> {</div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  Quality(<a class="code" href="namespaceripple.html#a73cc988e7ba5d5ee0fd9db53740917ec">getRate</a>(<a class="code" href="classripple_1_1STAmount.html">STAmount</a>(iss, srcQOut), <a class="code" href="classripple_1_1STAmount.html">STAmount</a>(iss, dstQIn))),</div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  dir};</div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  }</div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  </div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  <span class="keyword">auto</span> <span class="keyword">const</span> [srcQOut, dstQIn] = <a class="code" href="namespaceripple.html#a02afdec453dc1cf6e78cee2890e68969">redeems</a>(dir)</div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  ? qualitiesSrcRedeems(v)</div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  : qualitiesSrcIssues(v, prevStepDir);</div>
|
|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  </div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span> iss{currency_, src_};</div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="comment">// Be careful not to switch the parameters to `getRate`. The</span></div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="comment">// `getRate(offerOut, offerIn)` function is usually used for offers. It</span></div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="comment">// returns offerIn/offerOut. For a direct step, the rate is srcQOut/dstQIn</span></div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="comment">// (Input*dstQIn/srcQOut = Output; So rate = srcQOut/dstQIn). Although the</span></div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  <span class="comment">// first parameter is called `offerOut`, it should take the `dstQIn`</span></div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  <span class="comment">// variable.</span></div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="keywordflow">return</span> {</div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  Quality(<a class="code" href="namespaceripple.html#a73cc988e7ba5d5ee0fd9db53740917ec">getRate</a>(<a class="code" href="classripple_1_1STAmount.html">STAmount</a>(iss, dstQIn), <a class="code" href="classripple_1_1STAmount.html">STAmount</a>(iss, srcQOut))), dir};</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>  </div>
|
|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span> <span class="keyword">template</span> <<span class="keyword">class</span> TDerived></div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span> <a class="code" href="classripple_1_1TERSubset.html">TER</a></div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"><a class="line" href="classripple_1_1DirectStepI.html#a65ac4c8d0a05df077a278d1e85732bd9"> 875</a></span> <a class="code" href="classripple_1_1DirectStepI.html#a65ac4c8d0a05df077a278d1e85732bd9">DirectStepI<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="l00876"></a><span class="lineno"> 876</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <span class="comment">// The following checks apply for both payments and offer crossing.</span></div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <span class="keywordflow">if</span> (!src_ || !dst_)</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>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) << <span class="stringliteral">"DirectStepI: specified bad account."</span>;</div>
|
|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a301b180a711f213c51de73aba9d28de5">temBAD_PATH</a>;</div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  }</div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  </div>
|
|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  <span class="keywordflow">if</span> (src_ == dst_)</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>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) << <span class="stringliteral">"DirectStepI: same src and dst."</span>;</div>
|
|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a301b180a711f213c51de73aba9d28de5">temBAD_PATH</a>;</div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  }</div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  </div>
|
|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="keyword">auto</span> <span class="keyword">const</span> sleSrc = ctx.<a class="code" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>.<a class="code" href="classripple_1_1ReadView.html#a3351e0244f921234d5ba005a07ddf539">read</a>(<a class="code" href="namespaceripple_1_1keylet.html#a50c370db96b4fdcdd202d9c2c38afce9">keylet::account</a>(src_));</div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  <span class="keywordflow">if</span> (!sleSrc)</div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  {</div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>())</div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  << <span class="stringliteral">"DirectStepI: can't receive IOUs from non-existent issuer: "</span></div>
|
|
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  << src_;</div>
|
|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162faa7ab9460c6755719dd1a4e74b83f34c4">terNO_ACCOUNT</a>;</div>
|
|
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  }</div>
|
|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  </div>
|
|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <span class="comment">// pure issue/redeem can't be frozen</span></div>
|
|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  <span class="keywordflow">if</span> (!(ctx.<a class="code" href="structripple_1_1StrandContext.html#affdfbc855490fb34aad3acdf59457f4a">isLast</a> && ctx.<a class="code" href="structripple_1_1StrandContext.html#a449baf2ba9ae982f455c65884b3a8500">isFirst</a>))</div>
|
|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  {</div>
|
|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  <span class="keyword">auto</span> <span class="keyword">const</span> ter = <a class="code" href="namespaceripple.html#a369f056a78d8b15df5bf1052867947cb">checkFreeze</a>(ctx.<a class="code" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>, src_, dst_, currency_);</div>
|
|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <span class="keywordflow">if</span> (ter != <a class="code" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>)</div>
|
|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  <span class="keywordflow">return</span> ter;</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>  </div>
|
|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  <span class="comment">// If previous step was a direct step then we need to check</span></div>
|
|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="comment">// no ripple flags.</span></div>
|
|
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  <span class="keywordflow">if</span> (ctx.<a class="code" href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">prevStep</a>)</div>
|
|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  {</div>
|
|
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  <span class="keywordflow">if</span> (<span class="keyword">auto</span> prevSrc = ctx.<a class="code" href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">prevStep</a>-><a class="code" href="classripple_1_1Step.html#a25c5c19a6f0971f3ff0752fd1cd028c8">directStepSrcAcct</a>())</div>
|
|
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  {</div>
|
|
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="keyword">auto</span> <span class="keyword">const</span> ter =</div>
|
|
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  <a class="code" href="namespaceripple.html#a737b0d5ba5e659ec4fb340a027bb4147">checkNoRipple</a>(ctx.<a class="code" href="structripple_1_1StrandContext.html#a0e059ee50baf7c62cfa1748b40f1092d">view</a>, *prevSrc, src_, dst_, currency_, j_);</div>
|
|
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  <span class="keywordflow">if</span> (ter != <a class="code" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>)</div>
|
|
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  <span class="keywordflow">return</span> ter;</div>
|
|
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  }</div>
|
|
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  }</div>
|
|
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  {</div>
|
|
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span> srcIssue{currency_, src_};</div>
|
|
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  <a class="code" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span> dstIssue{currency_, dst_};</div>
|
|
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  </div>
|
|
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  <span class="keywordflow">if</span> (ctx.<a class="code" href="structripple_1_1StrandContext.html#a0bef921eb9b057dff6fa57d4bef62025">seenBookOuts</a>.count(srcIssue))</div>
|
|
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  {</div>
|
|
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  <span class="keywordflow">if</span> (!ctx.<a class="code" href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">prevStep</a>)</div>
|
|
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  {</div>
|
|
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  assert(0); <span class="comment">// prev seen book without a prev step!?!</span></div>
|
|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a12457d1044fb018f478405504184dc79">temBAD_PATH_LOOP</a>;</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>  </div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  <span class="comment">// This is OK if the previous step is a book step that outputs this</span></div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="comment">// issue</span></div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <span class="keywordflow">if</span> (<span class="keyword">auto</span> book = ctx.<a class="code" href="structripple_1_1StrandContext.html#a20f852451e14c6cc04c3fbb5a49c41f6">prevStep</a>-><a class="code" href="classripple_1_1Step.html#a6fdf5073d616414671f6ec1caa4a7744">bookStepBook</a>())</div>
|
|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  {</div>
|
|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  <span class="keywordflow">if</span> (book->out != srcIssue)</div>
|
|
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a12457d1044fb018f478405504184dc79">temBAD_PATH_LOOP</a>;</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>  }</div>
|
|
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  </div>
|
|
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <span class="keywordflow">if</span> (!ctx.<a class="code" href="structripple_1_1StrandContext.html#a1f64547d1189ede6fef202ada9dc0f2b">seenDirectIssues</a>[0].insert(srcIssue).second ||</div>
|
|
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  !ctx.<a class="code" href="structripple_1_1StrandContext.html#a1f64547d1189ede6fef202ada9dc0f2b">seenDirectIssues</a>[1].insert(dstIssue).second)</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>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>())</div>
|
|
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  << <span class="stringliteral">"DirectStepI: loop detected: Index: "</span> << ctx.<a class="code" href="structripple_1_1StrandContext.html#abf8cbe3f3e12efda21a694f5228a7a2d">strandSize</a></div>
|
|
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  << <span class="charliteral">' '</span> << *<span class="keyword">this</span>;</div>
|
|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a12457d1044fb018f478405504184dc79">temBAD_PATH_LOOP</a>;</div>
|
|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  }</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>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>TDerived const*<span class="keyword">></span>(<span class="keyword">this</span>)->check(ctx, sleSrc);</div>
|
|
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span> }</div>
|
|
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  </div>
|
|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
|
|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  </div>
|
|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span> <span class="keyword">namespace </span>test {</div>
|
|
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span> <span class="comment">// Needed for testing</span></div>
|
|
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span> <span class="keywordtype">bool</span></div>
|
|
<div class="line"><a name="l00958"></a><span class="lineno"><a class="line" href="namespaceripple_1_1test.html#aeb0719dfd10aae20370de6c6fc137a65"> 958</a></span> <a class="code" href="namespaceripple_1_1test.html#aeb0719dfd10aae20370de6c6fc137a65">directStepEqual</a>(</div>
|
|
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  <a class="code" href="classripple_1_1Step.html">Step</a> <span class="keyword">const</span>& step,</div>
|
|
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>& src,</div>
|
|
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>& dst,</div>
|
|
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  <a class="code" href="classripple_1_1base__uint.html">Currency</a> <span class="keyword">const</span>& currency)</div>
|
|
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span> {</div>
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<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  <span class="keywordflow">if</span> (<span class="keyword">auto</span> ds = <span class="keyword">dynamic_cast<</span><a class="code" href="classripple_1_1DirectStepI.html">DirectStepI<DirectIPaymentStep></a> const*<span class="keyword">></span>(&step))</div>
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<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  {</div>
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<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  <span class="keywordflow">return</span> ds->src() == src && ds->dst() == dst &&</div>
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<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  ds->currency() == currency;</div>
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<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  }</div>
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<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00970"></a><span class="lineno"> 970</span> }</div>
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<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> } <span class="comment">// namespace test</span></div>
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<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  </div>
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<div class="line"><a name="l00973"></a><span class="lineno"> 973</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  </div>
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<div class="line"><a name="l00975"></a><span class="lineno"> 975</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="l00976"></a><span class="lineno"><a class="line" href="namespaceripple.html#a0c51e1ec471aff27c89d5b190bcde1d5"> 976</a></span> <a class="code" href="namespaceripple.html#a0c51e1ec471aff27c89d5b190bcde1d5">make_DirectStepI</a>(</div>
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<div class="line"><a name="l00977"></a><span class="lineno"> 977</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="l00978"></a><span class="lineno"> 978</span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>& src,</div>
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<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  <a class="code" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>& dst,</div>
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<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  <a class="code" href="classripple_1_1base__uint.html">Currency</a> <span class="keyword">const</span>& c)</div>
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<div class="line"><a name="l00981"></a><span class="lineno"> 981</span> {</div>
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<div class="line"><a name="l00982"></a><span class="lineno"> 982</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="l00983"></a><span class="lineno"> 983</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="l00984"></a><span class="lineno"> 984</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="l00985"></a><span class="lineno"> 985</span>  {</div>
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<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  <span class="keyword">auto</span> offerCrossingStep =</div>
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<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  std::make_unique<DirectIOfferCrossingStep>(ctx, src, dst, c);</div>
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<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  ter = offerCrossingStep->check(ctx);</div>
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<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  r = std::move(offerCrossingStep);</div>
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<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  }</div>
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<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  <span class="keywordflow">else</span> <span class="comment">// payment</span></div>
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<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  {</div>
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<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  <span class="keyword">auto</span> paymentStep =</div>
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<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  std::make_unique<DirectIPaymentStep>(ctx, src, dst, c);</div>
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<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  ter = paymentStep->check(ctx);</div>
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<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  r = std::move(paymentStep);</div>
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<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  }</div>
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<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  <span class="keywordflow">if</span> (ter != <a class="code" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>)</div>
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<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  <span class="keywordflow">return</span> {ter, <span class="keyword">nullptr</span>};</div>
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<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  </div>
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<div class="line"><a name="l01001"></a><span class="lineno"> 1001</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="l01002"></a><span class="lineno"> 1002</span> }</div>
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<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  </div>
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<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span> } <span class="comment">// namespace ripple</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="astructripple_1_1DirectStepI_1_1Cache_html"><div class="ttname"><a href="structripple_1_1DirectStepI_1_1Cache.html">ripple::DirectStepI::Cache</a></div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00049">DirectStep.cpp:49</a></div></div>
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<div class="ttc" id="anamespaceripple_html_aa41db33791d7383170c31ad3910bcb33"><div class="ttname"><a href="namespaceripple.html#aa41db33791d7383170c31ad3910bcb33">ripple::rippleCredit</a></div><div class="ttdeci">TER rippleCredit(ApplyView &view, AccountID const &uSenderID, AccountID const &uReceiverID, STAmount const &saAmount, bool bCheckIssuer, beast::Journal j)</div><div class="ttdef"><b>Definition:</b> <a href="View_8cpp_source.html#l00933">View.cpp:933</a></div></div>
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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#l00182">IOUAmount.cpp:182</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_a737c7b8041d83ee0085bbc8d95c419ef"><div class="ttname"><a href="namespaceripple.html#a737c7b8041d83ee0085bbc8d95c419ef">ripple::sfHighQualityIn</a></div><div class="ttdeci">const SF_UINT32 sfHighQualityIn</div></div>
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<div class="ttc" id="astructripple_1_1StrandContext_html_abf8cbe3f3e12efda21a694f5228a7a2d"><div class="ttname"><a href="structripple_1_1StrandContext.html#abf8cbe3f3e12efda21a694f5228a7a2d">ripple::StrandContext::strandSize</a></div><div class="ttdeci">const size_t strandSize</div><div class="ttdoc">Length of Strand.</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00509">Steps.h:509</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#l00471">View.cpp:471</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="anamespaceripple_html_aa820916190755272f4ce837d5169020a"><div class="ttname"><a href="namespaceripple.html#aa820916190755272f4ce837d5169020a">ripple::issues</a></div><div class="ttdeci">bool issues(DebtDirection dir)</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00048">Steps.h:48</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectIPaymentStep_html_a4a58b887e96adc2864325d8b644477ab"><div class="ttname"><a href="classripple_1_1DirectIPaymentStep.html#a4a58b887e96adc2864325d8b644477ab">ripple::DirectIPaymentStep::quality</a></div><div class="ttdeci">std::uint32_t quality(ReadView const &sb, QualityDirection qDir) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00329">DirectStep.cpp:329</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a2d663a3568a68e7e85b20061563b955d"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a2d663a3568a68e7e85b20061563b955d">ripple::DirectStepI::maxPaymentFlow</a></div><div class="ttdeci">std::pair< IOUAmount, DebtDirection > maxPaymentFlow(ReadView const &sb) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00474">DirectStep.cpp:474</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a0925502ed5ba18e4eaec5b16b1f552c0"><div class="ttname"><a href="namespaceripple.html#a0925502ed5ba18e4eaec5b16b1f552c0">ripple::fixQualityUpperBound</a></div><div class="ttdeci">const uint256 fixQualityUpperBound</div></div>
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<div class="ttc" id="aclassripple_1_1IOUAmount_html_a4123b52991469e91f146e23382f49d6c"><div class="ttname"><a href="classripple_1_1IOUAmount.html#a4123b52991469e91f146e23382f49d6c">ripple::IOUAmount::exponent</a></div><div class="ttdeci">int exponent() const noexcept</div><div class="ttdef"><b>Definition:</b> <a href="IOUAmount_8h_source.html#l00163">IOUAmount.h:163</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#l00155">TER.h:155</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="aclassripple_1_1Rules_html_a1a8388a2b9588aa9446ece92a88e0dd2"><div class="ttname"><a href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">ripple::Rules::enabled</a></div><div class="ttdeci">bool enabled(uint256 const &feature) const</div><div class="ttdoc">Returns true if a feature is enabled.</div><div class="ttdef"><b>Definition:</b> <a href="Rules_8cpp_source.html#l00094">Rules.cpp:94</a></div></div>
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<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="anamespaceripple_html_a676d0eac3fcb58c8634598bab4f5554b"><div class="ttname"><a href="namespaceripple.html#a676d0eac3fcb58c8634598bab4f5554b">ripple::creditBalance</a></div><div class="ttdeci">STAmount creditBalance(ReadView const &view, AccountID const &account, AccountID const &issuer, Currency const &currency)</div><div class="ttdoc">Returns the amount of IOUs issued by issuer that are held by an account.</div><div class="ttdef"><b>Definition:</b> <a href="Credit_8cpp_source.html#l00061">Credit.cpp:61</a></div></div>
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<div class="ttc" id="astructripple_1_1TypedField_html"><div class="ttname"><a href="structripple_1_1TypedField.html">ripple::TypedField</a></div><div class="ttdoc">A field with a type known at compile time.</div><div class="ttdef"><b>Definition:</b> <a href="SField_8h_source.html#l00271">SField.h:271</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectIPaymentStep_html_a0c9f796720b7f31d73e013be61aa7647"><div class="ttname"><a href="classripple_1_1DirectIPaymentStep.html#a0c9f796720b7f31d73e013be61aa7647">ripple::DirectIPaymentStep::verifyDstQualityIn</a></div><div class="ttdeci">bool verifyDstQualityIn(std::uint32_t dstQIn) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00246">DirectStep.cpp:246</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_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#l00200">TER.h:200</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_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="aclassripple_1_1Step_html_a25c5c19a6f0971f3ff0752fd1cd028c8"><div class="ttname"><a href="classripple_1_1Step.html#a25c5c19a6f0971f3ff0752fd1cd028c8">ripple::Step::directStepSrcAcct</a></div><div class="ttdeci">virtual std::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="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="aclassripple_1_1DirectIPaymentStep_html"><div class="ttname"><a href="classripple_1_1DirectIPaymentStep.html">ripple::DirectIPaymentStep</a></div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00233">DirectStep.cpp:233</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#l00254">LedgerFormats.h:254</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_ae17cb771e129f625a88abf9b8fb12f2f"><div class="ttname"><a href="classripple_1_1DirectStepI.html#ae17cb771e129f625a88abf9b8fb12f2f">ripple::DirectStepI::qualities</a></div><div class="ttdeci">std::pair< std::uint32_t, std::uint32_t > qualities(ReadView const &sb, DebtDirection srcDebtDir, StrandDirection strandDir) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00804">DirectStep.cpp:804</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_ae616c7d4e6a745e947def7661a8a7bcb"><div class="ttname"><a href="classripple_1_1DirectStepI.html#ae616c7d4e6a745e947def7661a8a7bcb">ripple::DirectStepI::cache_</a></div><div class="ttdeci">std::optional< Cache > cache_</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00066">DirectStep.cpp:66</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#l00256">LedgerFormats.h:256</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectIOfferCrossingStep_html_a6039125562c13d8d9cda5cbc27a37088"><div class="ttname"><a href="classripple_1_1DirectIOfferCrossingStep.html#a6039125562c13d8d9cda5cbc27a37088">ripple::DirectIOfferCrossingStep::verifyPrevStepDebtDirection</a></div><div class="ttdeci">bool verifyPrevStepDebtDirection(DebtDirection prevStepDir) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00283">DirectStep.cpp:283</a></div></div>
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<div class="ttc" id="anamespaceripple_html_ab001e43f50e612727b1ce5985a2770d6"><div class="ttname"><a href="namespaceripple.html#ab001e43f50e612727b1ce5985a2770d6">ripple::accountHolds</a></div><div class="ttdeci">STAmount accountHolds(ReadView const &view, AccountID const &account, Currency const &currency, AccountID const &issuer, FreezeHandling zeroIfFrozen, beast::Journal j)</div><div class="ttdef"><b>Definition:</b> <a href="View_8cpp_source.html#l00223">View.cpp:223</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_afc3a13db6014986481c457965d545353"><div class="ttname"><a href="classripple_1_1DirectStepI.html#afc3a13db6014986481c457965d545353">ripple::DirectStepI::qualityUpperBound</a></div><div class="ttdeci">std::pair< std::optional< Quality >, DebtDirection > qualityUpperBound(ReadView const &v, DebtDirection dir) const override</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00834">DirectStep.cpp:834</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a65ac4c8d0a05df077a278d1e85732bd9"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a65ac4c8d0a05df077a278d1e85732bd9">ripple::DirectStepI::check</a></div><div class="ttdeci">TER check(StrandContext const &ctx) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00875">DirectStep.cpp:875</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a98271bf69e36fe89921bd83883cfa8e8"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a98271bf69e36fe89921bd83883cfa8e8">ripple::DirectStepI::src</a></div><div class="ttdeci">AccountID const & src() const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00107">DirectStep.cpp:107</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a54ef46259a75c5f6b20a7bbb1846ffa1"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a54ef46259a75c5f6b20a7bbb1846ffa1">ripple::DirectStepI::qualitiesSrcIssues</a></div><div class="ttdeci">std::pair< std::uint32_t, std::uint32_t > qualitiesSrcIssues(ReadView const &sb, DebtDirection prevStepDebtDirection) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00781">DirectStep.cpp:781</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="astructripple_1_1DirectStepI_1_1Cache_html_a59e68bd24794bad8f18261169b43fc0f"><div class="ttname"><a href="structripple_1_1DirectStepI_1_1Cache.html#a59e68bd24794bad8f18261169b43fc0f">ripple::DirectStepI::Cache::Cache</a></div><div class="ttdeci">Cache(IOUAmount const &in_, IOUAmount const &srcToDst_, IOUAmount const &out_, DebtDirection srcDebtDir_)</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00056">DirectStep.cpp:56</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html"><div class="ttname"><a href="classripple_1_1DirectStepI.html">ripple::DirectStepI</a></div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00037">DirectStep.cpp:37</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="aclassripple_1_1DirectStepI_html_ad9324952ada02b5dc968e0eb87ad1789"><div class="ttname"><a href="classripple_1_1DirectStepI.html#ad9324952ada02b5dc968e0eb87ad1789">ripple::DirectStepI::currency</a></div><div class="ttdeci">Currency const & currency() const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00117">DirectStep.cpp:117</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a94356051b68af995c7fb65da2cde9b05"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a94356051b68af995c7fb65da2cde9b05">ripple::DirectStepI::operator==</a></div><div class="ttdeci">friend bool operator==(DirectStepI const &lhs, DirectStepI const &rhs)</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00190">DirectStep.cpp:190</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a0c51e1ec471aff27c89d5b190bcde1d5"><div class="ttname"><a href="namespaceripple.html#a0c51e1ec471aff27c89d5b190bcde1d5">ripple::make_DirectStepI</a></div><div class="ttdeci">std::pair< TER, std::unique_ptr< Step > > make_DirectStepI(StrandContext const &ctx, AccountID const &src, AccountID const &dst, Currency const &c)</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00976">DirectStep.cpp:976</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_ac8f0e665814bff445a0a352ae56790c9"><div class="ttname"><a href="namespaceripple.html#ac8f0e665814bff445a0a352ae56790c9">ripple::creditLimit2</a></div><div class="ttdeci">IOUAmount creditLimit2(ReadView const &v, AccountID const &acc, AccountID const &iss, Currency const &cur)</div><div class="ttdef"><b>Definition:</b> <a href="Credit_8cpp_source.html#l00051">Credit.cpp:51</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a6e57ba09d98e0324114c774efcd81eed"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a6e57ba09d98e0324114c774efcd81eed">ripple::DirectStepI::DirectStepI</a></div><div class="ttdeci">DirectStepI(StrandContext const &ctx, AccountID const &src, AccountID const &dst, Currency const &c)</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00092">DirectStep.cpp:92</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#l00043">IOUAmount.h:43</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectIOfferCrossingStep_html_a63423a9ddbef8bb35b8da9acdb75fb9f"><div class="ttname"><a href="classripple_1_1DirectIOfferCrossingStep.html#a63423a9ddbef8bb35b8da9acdb75fb9f">ripple::DirectIOfferCrossingStep::verifyDstQualityIn</a></div><div class="ttdeci">bool verifyDstQualityIn(std::uint32_t dstQIn) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00296">DirectStep.cpp:296</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#l00205">TER.h:205</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectIOfferCrossingStep_html_a31c9d1e91decf21abbbe9a3d9fb03807"><div class="ttname"><a href="classripple_1_1DirectIOfferCrossingStep.html#a31c9d1e91decf21abbbe9a3d9fb03807">ripple::DirectIOfferCrossingStep::quality</a></div><div class="ttdeci">std::uint32_t quality(ReadView const &sb, QualityDirection qDir) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00368">DirectStep.cpp:368</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#l00094">TER.h:94</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectIOfferCrossingStep_html"><div class="ttname"><a href="classripple_1_1DirectIOfferCrossingStep.html">ripple::DirectIOfferCrossingStep</a></div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00276">DirectStep.cpp:276</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a65dcac5799993b276e705961c3eee024"><div class="ttname"><a href="namespaceripple.html#a65dcac5799993b276e705961c3eee024">ripple::toAmount< IOUAmount ></a></div><div class="ttdeci">IOUAmount toAmount< IOUAmount >(STAmount const &amt)</div><div class="ttdef"><b>Definition:</b> <a href="AmountConversions_8h_source.html#l00077">AmountConversions.h:77</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#l00134">ApplyView.h:134</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#l00255">LedgerFormats.h:255</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="astructripple_1_1DirectStepI_1_1Cache_html_a47668456d6ad4999746bd06fc365d2a3"><div class="ttname"><a href="structripple_1_1DirectStepI_1_1Cache.html#a47668456d6ad4999746bd06fc365d2a3">ripple::DirectStepI::Cache::srcToDst</a></div><div class="ttdeci">IOUAmount srcToDst</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00052">DirectStep.cpp:52</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectIPaymentStep_html_a935793ebf195b583d69b2d6a4eec0105"><div class="ttname"><a href="classripple_1_1DirectIPaymentStep.html#a935793ebf195b583d69b2d6a4eec0105">ripple::DirectIPaymentStep::logString</a></div><div class="ttdeci">std::string logString() const override</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00269">DirectStep.cpp:269</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectIPaymentStep_html_ac6664dd62e8555960a82fc8296db89e5"><div class="ttname"><a href="classripple_1_1DirectIPaymentStep.html#ac6664dd62e8555960a82fc8296db89e5">ripple::DirectIPaymentStep::check</a></div><div class="ttdeci">TER check(StrandContext const &ctx, std::shared_ptr< const SLE > const &sleSrc) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00404">DirectStep.cpp:404</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#l00495">STAmount.cpp:495</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a737b0d5ba5e659ec4fb340a027bb4147"><div class="ttname"><a href="namespaceripple.html#a737b0d5ba5e659ec4fb340a027bb4147">ripple::checkNoRipple</a></div><div class="ttdeci">TER checkNoRipple(ReadView const &view, AccountID const &prev, AccountID const &cur, AccountID const &next, Currency const &currency, beast::Journal j)</div><div class="ttdef"><b>Definition:</b> <a href="StepChecks_8h_source.html#l00061">StepChecks.h:61</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a592ddeaeb2ad7b0d7bbf4b1d31cdbe00"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a592ddeaeb2ad7b0d7bbf4b1d31cdbe00">ripple::DirectStepI::setCacheLimiting</a></div><div class="ttdeci">void setCacheLimiting(IOUAmount const &fwdIn, IOUAmount const &fwdSrcToDst, IOUAmount const &fwdOut, DebtDirection srcDebtDir)</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00588">DirectStep.cpp:588</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_1DirectStepI_html_ae9a7f7037aa6915d13be318b11441f7c"><div class="ttname"><a href="classripple_1_1DirectStepI.html#ae9a7f7037aa6915d13be318b11441f7c">ripple::DirectStepI::operator!=</a></div><div class="ttdeci">friend bool operator!=(DirectStepI const &lhs, DirectStepI const &rhs)</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00197">DirectStep.cpp:197</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a2718167efdb95710144d9ffaf53d65d3"><div class="ttname"><a href="namespaceripple.html#a2718167efdb95710144d9ffaf53d65d3">ripple::sfLowQualityOut</a></div><div class="ttdeci">const SF_UINT32 sfLowQualityOut</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#l00226">LedgerFormats.h:226</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a91369b807385ac8a15a0a1c572399e29"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a91369b807385ac8a15a0a1c572399e29">ripple::DirectStepI::currency_</a></div><div class="ttdeci">Currency currency_</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00042">DirectStep.cpp:42</a></div></div>
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<div class="ttc" id="aclassripple_1_1Step_html_a6fdf5073d616414671f6ec1caa4a7744"><div class="ttname"><a href="classripple_1_1Step.html#a6fdf5073d616414671f6ec1caa4a7744">ripple::Step::bookStepBook</a></div><div class="ttdeci">virtual std::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="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="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_1DirectStepI_html_a4f676009426e42134faf734911bacba7"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a4f676009426e42134faf734911bacba7">ripple::DirectStepI::fwdImp</a></div><div class="ttdeci">std::pair< IOUAmount, IOUAmount > fwdImp(PaymentSandbox &sb, ApplyView &afView, boost::container::flat_set< uint256 > &ofrsToRm, IOUAmount const &in)</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00630">DirectStep.cpp:630</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a4cfe65c9734b82c11fbb773430723d49"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a4cfe65c9734b82c11fbb773430723d49">ripple::DirectStepI::logStringImpl</a></div><div class="ttdeci">std::string logStringImpl(char const *name) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00204">DirectStep.cpp:204</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#l00133">Indexes.cpp:133</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_ac4d2e5842aa596e4d0eab527bf7c1235"><div class="ttname"><a href="classripple_1_1DirectStepI.html#ac4d2e5842aa596e4d0eab527bf7c1235">ripple::DirectStepI::equal</a></div><div class="ttdeci">bool equal(Step const &rhs) const override</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00214">DirectStep.cpp:214</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="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_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_1DirectStepI_html_a4c9c5a9c56cd70ec75e87aa704b51fa3"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a4c9c5a9c56cd70ec75e87aa704b51fa3">ripple::DirectStepI::revImp</a></div><div class="ttdeci">std::pair< IOUAmount, IOUAmount > revImp(PaymentSandbox &sb, ApplyView &afView, boost::container::flat_set< uint256 > &ofrsToRm, IOUAmount const &out)</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00504">DirectStep.cpp:504</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a67eb405e763ec8c66e36e443180be81e"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a67eb405e763ec8c66e36e443180be81e">ripple::DirectStepI::prevStep_</a></div><div class="ttdeci">Step const *const prevStep_</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00045">DirectStep.cpp:45</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a5f253588b453da01372349113be2de51"><div class="ttname"><a href="namespaceripple.html#a5f253588b453da01372349113be2de51">ripple::sfLowQualityIn</a></div><div class="ttdeci">const SF_UINT32 sfLowQualityIn</div></div>
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<div class="ttc" id="anamespaceripple_html_a59b34a5a4179de5ca0ebd178b26c5767"><div class="ttname"><a href="namespaceripple.html#a59b34a5a4179de5ca0ebd178b26c5767">ripple::creditLimit</a></div><div class="ttdeci">STAmount creditLimit(ReadView const &view, AccountID const &account, AccountID const &issuer, Currency const &currency)</div><div class="ttdoc">Calculate the maximum amount of IOUs that an account can hold.</div><div class="ttdef"><b>Definition:</b> <a href="Credit_8cpp_source.html#l00028">Credit.cpp:28</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="anamespaceripple_html_adebe4d783be9c979e67fdbb2bc27162faccec22dfce11ac7d31150921b257ee80"><div class="ttname"><a href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162faccec22dfce11ac7d31150921b257ee80">ripple::terNO_AUTH</a></div><div class="ttdeci">@ terNO_AUTH</div><div class="ttdef"><b>Definition:</b> <a href="TER_8h_source.html#l00199">TER.h:199</a></div></div>
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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#l00045">STAmount.h:45</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_aaa554e2801358a438ad379cfe46ab2a2"><div class="ttname"><a href="classripple_1_1DirectStepI.html#aaa554e2801358a438ad379cfe46ab2a2">ripple::DirectStepI::cachedOut</a></div><div class="ttdeci">std::optional< EitherAmount > cachedOut() const override</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00131">DirectStep.cpp:131</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="astructripple_1_1StrandContext_html_affdfbc855490fb34aad3acdf59457f4a"><div class="ttname"><a href="structripple_1_1StrandContext.html#affdfbc855490fb34aad3acdf59457f4a">ripple::StrandContext::isLast</a></div><div class="ttdeci">const bool isLast</div><div class="ttdoc">true if Step is last in Strand</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00505">Steps.h:505</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_1DirectStepI_html_a2dd92244faf534ec5c506b44b5037312"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a2dd92244faf534ec5c506b44b5037312">ripple::DirectStepI::dst_</a></div><div class="ttdeci">AccountID dst_</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00041">DirectStep.cpp:41</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a64dac2bde0ecce5aa2e4e8b0ca4451c1"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a64dac2bde0ecce5aa2e4e8b0ca4451c1">ripple::DirectStepI::lineQualityIn</a></div><div class="ttdeci">std::uint32_t lineQualityIn(ReadView const &v) const override</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00826">DirectStep.cpp:826</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="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#l00193">Indexes.cpp:193</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="aclassripple_1_1DirectStepI_html_ad8d2f53038e39a2bb3ce8100a5af49b0"><div class="ttname"><a href="classripple_1_1DirectStepI.html#ad8d2f53038e39a2bb3ce8100a5af49b0">ripple::DirectStepI::j_</a></div><div class="ttdeci">const beast::Journal j_</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00047">DirectStep.cpp:47</a></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#l00257">LedgerFormats.h:257</a></div></div>
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<div class="ttc" id="anamespaceripple_html_adebe4d783be9c979e67fdbb2bc27162faa7ab9460c6755719dd1a4e74b83f34c4"><div class="ttname"><a href="namespaceripple.html#adebe4d783be9c979e67fdbb2bc27162faa7ab9460c6755719dd1a4e74b83f34c4">ripple::terNO_ACCOUNT</a></div><div class="ttdeci">@ terNO_ACCOUNT</div><div class="ttdef"><b>Definition:</b> <a href="TER_8h_source.html#l00198">TER.h:198</a></div></div>
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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="astructripple_1_1DirectStepI_1_1Cache_html_aac4670c6ffc821776b65b073d7405743"><div class="ttname"><a href="structripple_1_1DirectStepI_1_1Cache.html#aac4670c6ffc821776b65b073d7405743">ripple::DirectStepI::Cache::srcDebtDir</a></div><div class="ttdeci">DebtDirection srcDebtDir</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00054">DirectStep.cpp:54</a></div></div>
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<div class="ttc" id="anamespaceripple_1_1test_html_aeb0719dfd10aae20370de6c6fc137a65"><div class="ttname"><a href="namespaceripple_1_1test.html#aeb0719dfd10aae20370de6c6fc137a65">ripple::test::directStepEqual</a></div><div class="ttdeci">bool directStepEqual(Step const &step, AccountID const &src, AccountID const &dst, Currency const &currency)</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00958">DirectStep.cpp:958</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#l00125">ReadView.h:125</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_1IOUAmount_html_a7569b6462cf1abb6018ccfbe8428bfab"><div class="ttname"><a href="classripple_1_1IOUAmount.html#a7569b6462cf1abb6018ccfbe8428bfab">ripple::IOUAmount::mantissa</a></div><div class="ttdeci">std::int64_t mantissa() const noexcept</div><div class="ttdef"><b>Definition:</b> <a href="IOUAmount_8h_source.html#l00169">IOUAmount.h:169</a></div></div>
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<div class="ttc" id="astructripple_1_1DirectStepI_1_1Cache_html_a51ac7c5d4f66bce9d0788119b21a242e"><div class="ttname"><a href="structripple_1_1DirectStepI_1_1Cache.html#a51ac7c5d4f66bce9d0788119b21a242e">ripple::DirectStepI::Cache::out</a></div><div class="ttdeci">IOUAmount out</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00053">DirectStep.cpp:53</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a41ae9ab55e416fcd5bddddf87d7aaa6e"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a41ae9ab55e416fcd5bddddf87d7aaa6e">ripple::DirectStepI::dst</a></div><div class="ttdeci">AccountID const & dst() const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00112">DirectStep.cpp:112</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a9aed3dbda61ef1b49e75368066194371"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a9aed3dbda61ef1b49e75368066194371">ripple::DirectStepI::src_</a></div><div class="ttdeci">AccountID src_</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00040">DirectStep.cpp:40</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="aclassripple_1_1DirectIPaymentStep_html_aae00e584c6bb97d00a53184600968d53"><div class="ttname"><a href="classripple_1_1DirectIPaymentStep.html#aae00e584c6bb97d00a53184600968d53">ripple::DirectIPaymentStep::maxFlow</a></div><div class="ttdeci">std::pair< IOUAmount, DebtDirection > maxFlow(ReadView const &sb, IOUAmount const &desired) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00376">DirectStep.cpp:376</a></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_1DirectStepI_html_a48138fcf5b7ec6da27b20a28a30dfe9c"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a48138fcf5b7ec6da27b20a28a30dfe9c">ripple::DirectStepI::cachedIn</a></div><div class="ttdeci">std::optional< EitherAmount > cachedIn() const override</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00123">DirectStep.cpp:123</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a082e829246bb3841a75d8f820ecd62d0"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a082e829246bb3841a75d8f820ecd62d0">ripple::DirectStepI::debtDirection</a></div><div class="ttdeci">DebtDirection debtDirection(ReadView const &sb, StrandDirection dir) const override</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00490">DirectStep.cpp:490</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#l00059">AmountSpec.h:59</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a9fcb3d54bb84534db6b4ac626d8c0e30"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a9fcb3d54bb84534db6b4ac626d8c0e30">ripple::DirectStepI::isLast_</a></div><div class="ttdeci">const bool isLast_</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00046">DirectStep.cpp:46</a></div></div>
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<div class="ttc" id="anamespaceripple_html_ab8a9c54401e8209fca7396c6b9c610f4"><div class="ttname"><a href="namespaceripple.html#ab8a9c54401e8209fca7396c6b9c610f4">ripple::sfBalance</a></div><div class="ttdeci">const SF_AMOUNT sfBalance</div></div>
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<div class="ttc" id="aclassripple_1_1DirectIPaymentStep_html_af38ea9909ee5832ff2f903fe0ddbaf64"><div class="ttname"><a href="classripple_1_1DirectIPaymentStep.html#af38ea9909ee5832ff2f903fe0ddbaf64">ripple::DirectIPaymentStep::verifyPrevStepDebtDirection</a></div><div class="ttdeci">bool verifyPrevStepDebtDirection(DebtDirection) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00239">DirectStep.cpp:239</a></div></div>
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<div class="ttc" id="astructripple_1_1StrandContext_html_a449baf2ba9ae982f455c65884b3a8500"><div class="ttname"><a href="structripple_1_1StrandContext.html#a449baf2ba9ae982f455c65884b3a8500">ripple::StrandContext::isFirst</a></div><div class="ttdeci">const bool isFirst</div><div class="ttdoc">true if Step is first in Strand</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00504">Steps.h:504</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_aa298e929e02f59c2b05a30ee8805b38cad7c0f4891446922b7248ed12f2207a57"><div class="ttname"><a href="namespaceripple.html#aa298e929e02f59c2b05a30ee8805b38cad7c0f4891446922b7248ed12f2207a57">ripple::tecPATH_DRY</a></div><div class="ttdeci">@ tecPATH_DRY</div><div class="ttdef"><b>Definition:</b> <a href="TER_8h_source.html#l00261">TER.h:261</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a17a9a9b903b66e49f5413d82ce79f085a91e3c4f8089025c7ecf66dd62b822d90"><div class="ttname"><a href="namespaceripple.html#a17a9a9b903b66e49f5413d82ce79f085a91e3c4f8089025c7ecf66dd62b822d90">ripple::fhIGNORE_FREEZE</a></div><div class="ttdeci">@ fhIGNORE_FREEZE</div><div class="ttdef"><b>Definition:</b> <a href="View_8h_source.html#l00076">View.h:76</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_afd50370271de5d6a8a64180d5aab4875"><div class="ttname"><a href="classripple_1_1DirectStepI.html#afd50370271de5d6a8a64180d5aab4875">ripple::DirectStepI::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="DirectStep_8cpp_source.html#l00710">DirectStep.cpp:710</a></div></div>
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<div class="ttc" id="astructripple_1_1DirectStepI_1_1Cache_html_a004b80873cc763caf33caafb1a87a17c"><div class="ttname"><a href="structripple_1_1DirectStepI_1_1Cache.html#a004b80873cc763caf33caafb1a87a17c">ripple::DirectStepI::Cache::in</a></div><div class="ttdeci">IOUAmount in</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00051">DirectStep.cpp:51</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a22c92283f49e814f4fb31a159d962553"><div class="ttname"><a href="namespaceripple.html#a22c92283f49e814f4fb31a159d962553">ripple::sfHighQualityOut</a></div><div class="ttdeci">const SF_UINT32 sfHighQualityOut</div></div>
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<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a7cc64e12723fbc9606d85442a2569fed"><div class="ttname"><a href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fed">ripple::QualityDirection</a></div><div class="ttdeci">QualityDirection</div><div class="ttdef"><b>Definition:</b> <a href="Steps_8h_source.html#l00038">Steps.h:38</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_abb3d424a2b63363ca51ef749695fc211"><div class="ttname"><a href="classripple_1_1DirectStepI.html#abb3d424a2b63363ca51ef749695fc211">ripple::DirectStepI::directStepAccts</a></div><div class="ttdeci">std::optional< std::pair< AccountID, AccountID > > directStepAccts() const override</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00145">DirectStep.cpp:145</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a369f056a78d8b15df5bf1052867947cb"><div class="ttname"><a href="namespaceripple.html#a369f056a78d8b15df5bf1052867947cb">ripple::checkFreeze</a></div><div class="ttdeci">TER checkFreeze(ReadView const &view, AccountID const &src, AccountID const &dst, Currency const &currency)</div><div class="ttdef"><b>Definition:</b> <a href="StepChecks_8h_source.html#l00032">StepChecks.h:32</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="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_1DirectIOfferCrossingStep_html_ad6cae177830a23cd1ce1fcf7133b0d6d"><div class="ttname"><a href="classripple_1_1DirectIOfferCrossingStep.html#ad6cae177830a23cd1ce1fcf7133b0d6d">ripple::DirectIOfferCrossingStep::check</a></div><div class="ttdeci">TER check(StrandContext const &ctx, std::shared_ptr< const SLE > const &sleSrc) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00460">DirectStep.cpp:460</a></div></div>
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<div class="ttc" id="anamespaceripple_html_af9776f187d3686a7fba4c2d2fbeebdf4"><div class="ttname"><a href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">ripple::to_string</a></div><div class="ttdeci">std::string to_string(Manifest const &m)</div><div class="ttdoc">Format the specified manifest to a string for debugging purposes.</div><div class="ttdef"><b>Definition:</b> <a href="app_2misc_2impl_2Manifest_8cpp_source.html#l00041">app/misc/impl/Manifest.cpp:41</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectIOfferCrossingStep_html_a2063c406071d5559a02d480b16bbb80a"><div class="ttname"><a href="classripple_1_1DirectIOfferCrossingStep.html#a2063c406071d5559a02d480b16bbb80a">ripple::DirectIOfferCrossingStep::maxFlow</a></div><div class="ttdeci">std::pair< IOUAmount, DebtDirection > maxFlow(ReadView const &sb, IOUAmount const &desired) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00382">DirectStep.cpp:382</a></div></div>
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<div class="ttc" id="amake_pair_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/pair/make_pair.html">std::make_pair</a></div><div class="ttdeci">T make_pair(T... args)</div></div>
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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#l00095">TER.h:95</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="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="aclassripple_1_1DirectStepI_html_a155e216c2560eafc4c68f5893bde896c"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a155e216c2560eafc4c68f5893bde896c">ripple::DirectStepI::qualitiesSrcRedeems</a></div><div class="ttdeci">std::pair< std::uint32_t, std::uint32_t > qualitiesSrcRedeems(ReadView const &sb) const</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00764">DirectStep.cpp:764</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#l00222">TER.h:222</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectStepI_html_a04b9359a5bba934fe09165b9f00c6a9b"><div class="ttname"><a href="classripple_1_1DirectStepI.html#a04b9359a5bba934fe09165b9f00c6a9b">ripple::DirectStepI::directStepSrcAcct</a></div><div class="ttdeci">std::optional< AccountID > directStepSrcAcct() const override</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00139">DirectStep.cpp:139</a></div></div>
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<div class="ttc" id="aclassripple_1_1DirectIOfferCrossingStep_html_a294701722feba3910163f20e2e2a3aa1"><div class="ttname"><a href="classripple_1_1DirectIOfferCrossingStep.html#a294701722feba3910163f20e2e2a3aa1">ripple::DirectIOfferCrossingStep::logString</a></div><div class="ttdeci">std::string logString() const override</div><div class="ttdef"><b>Definition:</b> <a href="DirectStep_8cpp_source.html#l00320">DirectStep.cpp:320</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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