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<li class="navelem"><a class="el" href="dir_a62226f9e3a6c7c5a3be455e2f87ae01.html">xrpld</a></li><li class="navelem"><a class="el" href="dir_c69db3203fa08a9ff994909ba6ee9783.html">app</a></li><li class="navelem"><a class="el" href="dir_2860c73e71f9ef894ba4acb1eeae5483.html">misc</a></li><li class="navelem"><a class="el" href="dir_c80815dbdc2122d1b16ef343a4cf0d47.html">detail</a></li> </ul>
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<div class="headertitle"><div class="title">LendingHelpers.cpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include &lt;xrpld/app/misc/LendingHelpers.h&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// DO NOT REMOVE forces header file include to sort first</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include &lt;xrpld/app/tx/detail/VaultCreate.h&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacexrpl.html">xrpl</a> {</div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00008" data-start="{" data-end="}">
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a4c0d6c5117eb6c71f933532d1a216f7b"> 8</a></span><a class="code hl_function" href="namespacexrpl.html#a4c0d6c5117eb6c71f933532d1a216f7b">checkLendingProtocolDependencies</a>(<a class="code hl_struct" href="structxrpl_1_1PreflightContext.html">PreflightContext</a> <span class="keyword">const</span>&amp; ctx)</div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span>{</div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> <span class="keywordflow">return</span> ctx.<a class="code hl_variable" href="structxrpl_1_1PreflightContext.html#a6e83913718094997961f09967d767561">rules</a>.<a class="code hl_function" href="classxrpl_1_1Rules.html#a125114e27f806d1517096cbee50a2b04">enabled</a>(featureSingleAssetVault) &amp;&amp; <a class="code hl_function" href="classxrpl_1_1VaultCreate.html#ab0d90f9893e664e57ae8f803e7a288dc">VaultCreate::checkExtraFeatures</a>(ctx);</div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span>}</div>
</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span>LoanPaymentParts&amp;</div>
<div class="foldopen" id="foldopen00014" data-start="{" data-end="}">
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"><a class="line" href="structxrpl_1_1LoanPaymentParts.html#a81139aabea5381eea2f9e0f10af4102e"> 14</a></span><a class="code hl_function" href="structxrpl_1_1LoanPaymentParts.html#a81139aabea5381eea2f9e0f10af4102e">LoanPaymentParts::operator+=</a>(<a class="code hl_struct" href="structxrpl_1_1LoanPaymentParts.html">LoanPaymentParts</a> <span class="keyword">const</span>&amp; other)</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span>{</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> other.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a1b52273c7ca5cc424b7f536913084e12">principalPaid</a> &gt;= beast::zero,</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> <span class="stringliteral">&quot;xrpl::LoanPaymentParts::operator+= : other principal &quot;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <span class="stringliteral">&quot;non-negative&quot;</span>);</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> other.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a8d817008ebab20e53761a859c446456b">interestPaid</a> &gt;= beast::zero,</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> <span class="stringliteral">&quot;xrpl::LoanPaymentParts::operator+= : other interest paid &quot;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> <span class="stringliteral">&quot;non-negative&quot;</span>);</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> other.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a83958ab4c0e194a9d44563bce3a17af1">feePaid</a> &gt;= beast::zero,</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="stringliteral">&quot;xrpl::LoanPaymentParts::operator+= : other fee paid &quot;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="stringliteral">&quot;non-negative&quot;</span>);</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a1b52273c7ca5cc424b7f536913084e12">principalPaid</a> += other.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a1b52273c7ca5cc424b7f536913084e12">principalPaid</a>;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a8d817008ebab20e53761a859c446456b">interestPaid</a> += other.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a8d817008ebab20e53761a859c446456b">interestPaid</a>;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#aa6b19b9340823f7d1acc180a311a002e">valueChange</a> += other.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#aa6b19b9340823f7d1acc180a311a002e">valueChange</a>;</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a83958ab4c0e194a9d44563bce3a17af1">feePaid</a> += other.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a83958ab4c0e194a9d44563bce3a17af1">feePaid</a>;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span>}</div>
</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00038" data-start="{" data-end="}">
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="structxrpl_1_1LoanPaymentParts.html#a0b1c96a36be3be16c157fa3fabec530d"> 38</a></span><a class="code hl_function" href="structxrpl_1_1LoanPaymentParts.html#a0b1c96a36be3be16c157fa3fabec530d">LoanPaymentParts::operator==</a>(<a class="code hl_struct" href="structxrpl_1_1LoanPaymentParts.html">LoanPaymentParts</a> <span class="keyword">const</span>&amp; other)<span class="keyword"> const</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a1b52273c7ca5cc424b7f536913084e12">principalPaid</a> == other.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a1b52273c7ca5cc424b7f536913084e12">principalPaid</a> &amp;&amp; <a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a8d817008ebab20e53761a859c446456b">interestPaid</a> == other.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a8d817008ebab20e53761a859c446456b">interestPaid</a> &amp;&amp;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#aa6b19b9340823f7d1acc180a311a002e">valueChange</a> == other.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#aa6b19b9340823f7d1acc180a311a002e">valueChange</a> &amp;&amp; <a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a83958ab4c0e194a9d44563bce3a17af1">feePaid</a> == other.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a83958ab4c0e194a9d44563bce3a17af1">feePaid</a>;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>}</div>
</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="comment">/* Converts annualized interest rate to per-payment-period rate.</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="comment"> * The rate is prorated based on the payment interval in seconds.</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment"> *</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="comment"> * Equation (1) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="comment"> */</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><a class="code hl_class" href="classxrpl_1_1Number.html">Number</a></div>
<div class="foldopen" id="foldopen00050" data-start="{" data-end="}">
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a0ff65dbec299f5ffe3cc3e46822b54b1"> 50</a></span><a class="code hl_function" href="namespacexrpl.html#a0ff65dbec299f5ffe3cc3e46822b54b1">loanPeriodicRate</a>(<a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> interestRate, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentInterval)</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span>{</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// Need floating point math, since we&#39;re dividing by a large number</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacexrpl.html#a3f56d997a36633a10ca0f17c86113f56">tenthBipsOfValue</a>(<a class="code hl_class" href="classxrpl_1_1Number.html">Number</a>(paymentInterval), interestRate) / <a class="code hl_variable" href="namespacexrpl.html#a51ae455751dbb43d284de10584418214">secondsInYear</a>;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span>}</div>
</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="comment">/* Checks if a value is already rounded to the specified scale.</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="comment"> * Returns true if rounding down and rounding up produce the same result,</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="comment"> * indicating no further precision exists beyond the scale.</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="comment"> */</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00061" data-start="{" data-end="}">
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915"> 61</a></span><a class="code hl_function" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">isRounded</a>(<a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; asset, <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; value, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> scale)</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span>{</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, value, scale, <a class="code hl_enumvalue" href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aefac6c5bd63a85dcee4fc69baf788d40">Number::downward</a>) == <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, value, scale, <a class="code hl_enumvalue" href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aaf71effcd4dcf7bc7c89bb51e27e8b17">Number::upward</a>);</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span>}</div>
</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="keyword">namespace </span>detail {</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00069" data-start="{" data-end="}">
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"><a class="line" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a51d176ce3ff10b6d88741410a20ae028"> 69</a></span><a class="code hl_function" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a51d176ce3ff10b6d88741410a20ae028">LoanStateDeltas::nonNegative</a>()</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span>{</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a> &lt; beast::zero)</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a> = <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a> &lt; beast::zero)</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a> = <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a> &lt; beast::zero)</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a> = <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span>}</div>
</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="comment">/* Computes (1 + periodicRate)^paymentsRemaining for amortization calculations.</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="comment"> *</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="comment"> * Equation (5) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="comment"> */</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><a class="code hl_class" href="classxrpl_1_1Number.html">Number</a></div>
<div class="foldopen" id="foldopen00084" data-start="{" data-end="}">
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#a1c6bcd1d73b4c1d5ea9aaf544db61773"> 84</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#a1c6bcd1d73b4c1d5ea9aaf544db61773">computeRaisedRate</a>(<a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicRate, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentsRemaining)</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span>{</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacexrpl.html#a5dcb604ca5c6c6fdde47b8d7c20bec54">power</a>(1 + periodicRate, paymentsRemaining);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span>}</div>
</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="comment">/* Computes the payment factor used in standard amortization formulas.</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span><span class="comment"> * This factor converts principal to periodic payment amount.</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="comment"> *</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="comment"> * Equation (6) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="comment"> */</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span><a class="code hl_class" href="classxrpl_1_1Number.html">Number</a></div>
<div class="foldopen" id="foldopen00095" data-start="{" data-end="}">
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#a854dd19e0480b5ce3c9a4de7237c84e8"> 95</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#a854dd19e0480b5ce3c9a4de7237c84e8">computePaymentFactor</a>(<a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicRate, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentsRemaining)</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span>{</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">if</span> (paymentsRemaining == 0)</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// For zero interest, payment factor is simply 1/paymentsRemaining</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">if</span> (periodicRate == beast::zero)</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a>{1} / paymentsRemaining;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> raisedRate = <a class="code hl_function" href="namespacexrpl_1_1detail.html#a1c6bcd1d73b4c1d5ea9aaf544db61773">computeRaisedRate</a>(periodicRate, paymentsRemaining);</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">return</span> (periodicRate * raisedRate) / (raisedRate - 1);</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span>}</div>
</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span><span class="comment">/* Calculates the periodic payment amount using standard amortization formula.</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span><span class="comment"> * For interest-free loans, returns principal divided equally across payments.</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><span class="comment"> *</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span><span class="comment"> * Equation (7) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span><span class="comment"> */</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span><a class="code hl_class" href="classxrpl_1_1Number.html">Number</a></div>
<div class="foldopen" id="foldopen00115" data-start="{" data-end="}">
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#a27ec776a76adbf24c9977eff5f9fdfe6"> 115</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#a27ec776a76adbf24c9977eff5f9fdfe6">loanPeriodicPayment</a>(<a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; principalOutstanding, <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicRate, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentsRemaining)</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span>{</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">if</span> (principalOutstanding == 0 || paymentsRemaining == 0)</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// Interest-free loans: equal principal payments</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">if</span> (periodicRate == beast::zero)</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">return</span> principalOutstanding / paymentsRemaining;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">return</span> principalOutstanding * <a class="code hl_function" href="namespacexrpl_1_1detail.html#a854dd19e0480b5ce3c9a4de7237c84e8">computePaymentFactor</a>(periodicRate, paymentsRemaining);</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span>}</div>
</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span><span class="comment">/* Reverse-calculates principal from periodic payment amount.</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span><span class="comment"> * Used to determine theoretical principal at any point in the schedule.</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span><span class="comment"> *</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span><span class="comment"> * Equation (10) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><span class="comment"> */</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><a class="code hl_class" href="classxrpl_1_1Number.html">Number</a></div>
<div class="foldopen" id="foldopen00133" data-start="{" data-end="}">
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#a9cb3bfa78dfb3083bb2592e519aa1fc2"> 133</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#a9cb3bfa78dfb3083bb2592e519aa1fc2">loanPrincipalFromPeriodicPayment</a>(</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicPayment,</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicRate,</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentsRemaining)</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span>{</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordflow">if</span> (paymentsRemaining == 0)</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>;</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">if</span> (periodicRate == 0)</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">return</span> periodicPayment * paymentsRemaining;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">return</span> periodicPayment / <a class="code hl_function" href="namespacexrpl_1_1detail.html#a854dd19e0480b5ce3c9a4de7237c84e8">computePaymentFactor</a>(periodicRate, paymentsRemaining);</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span>}</div>
</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="comment">/*</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span><span class="comment"> * Computes the interest and management fee parts from interest amount.</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span><span class="comment"> *</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="comment"> * Equation (33) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span><span class="comment"> */</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;Number, Number&gt;</a></div>
<div class="foldopen" id="foldopen00153" data-start="{" data-end="}">
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#a74526fc90ae53e8e61d94db5bf7327e9"> 153</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#a74526fc90ae53e8e61d94db5bf7327e9">computeInterestAndFeeParts</a>(</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; asset,</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; interest,</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips16</a> managementFeeRate,</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> loanScale)</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span>{</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keyword">auto</span> <span class="keyword">const</span> fee = <a class="code hl_function" href="namespacexrpl.html#a214a68fa4b462cf05138d87a9806bd06">computeManagementFee</a>(asset, interest, managementFeeRate, loanScale);</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/pair/make_pair.html">std::make_pair</a>(interest - fee, fee);</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span>}</div>
</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span><span class="comment">/* Calculates penalty interest accrued on overdue payments.</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span><span class="comment"> * Returns 0 if payment is not late.</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span><span class="comment"> *</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span><span class="comment"> * Equation (16) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span><span class="comment"> */</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span><a class="code hl_class" href="classxrpl_1_1Number.html">Number</a></div>
<div class="foldopen" id="foldopen00170" data-start="{" data-end="}">
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#a74c45da413598f6093a963c624b14bec"> 170</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#a74c45da413598f6093a963c624b14bec">loanLatePaymentInterest</a>(</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; principalOutstanding,</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> lateInterestRate,</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">NetClock::time_point</a> parentCloseTime,</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> nextPaymentDueDate)</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span>{</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keywordflow">if</span> (principalOutstanding == beast::zero)</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordflow">if</span> (lateInterestRate == <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a>{0})</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">auto</span> <span class="keyword">const</span> now = parentCloseTime.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/chrono/time_point/time_since_epoch.html">time_since_epoch</a>().count();</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// If the payment is not late by any amount of time, then there&#39;s no late</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="comment">// interest</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordflow">if</span> (now &lt;= nextPaymentDueDate)</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="comment">// Equation (3) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">auto</span> <span class="keyword">const</span> secondsOverdue = now - nextPaymentDueDate;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keyword">auto</span> <span class="keyword">const</span> rate = <a class="code hl_function" href="namespacexrpl.html#a0ff65dbec299f5ffe3cc3e46822b54b1">loanPeriodicRate</a>(lateInterestRate, secondsOverdue);</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">return</span> principalOutstanding * rate;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span>}</div>
</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span><span class="comment">/* Calculates interest accrued since the last payment based on time elapsed.</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span><span class="comment"> * Returns 0 if loan is paid ahead of schedule.</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span><span class="comment"> *</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span><span class="comment"> * Equation (27) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span><span class="comment"> */</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span><a class="code hl_class" href="classxrpl_1_1Number.html">Number</a></div>
<div class="foldopen" id="foldopen00203" data-start="{" data-end="}">
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#a68244c94afe5c9e0a34aed3ff10e1225"> 203</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#a68244c94afe5c9e0a34aed3ff10e1225">loanAccruedInterest</a>(</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; principalOutstanding,</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicRate,</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">NetClock::time_point</a> parentCloseTime,</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> startDate,</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> prevPaymentDate,</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentInterval)</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span>{</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keywordflow">if</span> (periodicRate == beast::zero)</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keywordflow">if</span> (paymentInterval == 0)</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keyword">auto</span> <span class="keyword">const</span> lastPaymentDate = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(prevPaymentDate, startDate);</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keyword">auto</span> <span class="keyword">const</span> now = parentCloseTime.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/chrono/time_point/time_since_epoch.html">time_since_epoch</a>().count();</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="comment">// If the loan has been paid ahead, then &quot;lastPaymentDate&quot; is in the future,</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// and no interest has accrued.</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keywordflow">if</span> (now &lt;= lastPaymentDate)</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="comment">// Equation (4) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keyword">auto</span> <span class="keyword">const</span> secondsSinceLastPayment = now - lastPaymentDate;</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> </div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="comment">// Division is more likely to introduce rounding errors, which will then get</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="comment">// amplified by multiplication. Therefore, we first multiply, and only then</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="comment">// divide.</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keywordflow">return</span> principalOutstanding * periodicRate * secondsSinceLastPayment / paymentInterval;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span>}</div>
</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span><span class="comment">/* Applies a payment to the loan state and returns the breakdown of amounts</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span><span class="comment"> * paid.</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span><span class="comment"> *</span></div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span><span class="comment"> * This is the core function that updates the Loan ledger object fields based on</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span><span class="comment"> * a computed payment.</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span><span class="comment"></span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span><span class="comment"> * The function is templated to work with both direct Number/uint32_t values</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span><span class="comment"> * (for testing/simulation) and ValueProxy types (for actual ledger updates).</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span><span class="comment"> */</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> NumberProxy, <span class="keyword">class</span> UInt32Proxy, <span class="keyword">class</span> UInt32OptionalProxy&gt;</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span><a class="code hl_struct" href="structxrpl_1_1LoanPaymentParts.html">LoanPaymentParts</a></div>
<div class="foldopen" id="foldopen00245" data-start="{" data-end="}">
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#af70ce6e662a17de27fef50564a4a8944"> 245</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#af70ce6e662a17de27fef50564a4a8944">doPayment</a>(</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html">ExtendedPaymentComponents</a> <span class="keyword">const</span>&amp; payment,</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> NumberProxy&amp; totalValueOutstandingProxy,</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> NumberProxy&amp; principalOutstandingProxy,</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> NumberProxy&amp; managementFeeOutstandingProxy,</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> UInt32Proxy&amp; paymentRemainingProxy,</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> UInt32Proxy&amp; prevPaymentDateProxy,</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> UInt32OptionalProxy&amp; nextDueDateProxy,</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentInterval)</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span>{</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> XRPL_ASSERT_PARTS(nextDueDateProxy, <span class="stringliteral">&quot;xrpl::detail::doPayment&quot;</span>, <span class="stringliteral">&quot;Next due date proxy set&quot;</span>);</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="keywordflow">if</span> (payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a7e666983b5e6c287dd1163db8c65ad15">specialCase</a> == <a class="code hl_enumvalue" href="namespacexrpl_1_1detail.html#a230ef83732e01df4f26a546cfadcbab0a2a1585a864d9e67627c6ae04c807a2c5">PaymentSpecialCase::final</a>)</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> {</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> principalOutstandingProxy == payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a>,</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="stringliteral">&quot;xrpl::detail::doPayment&quot;</span>,</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="stringliteral">&quot;Full principal payment&quot;</span>);</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> totalValueOutstandingProxy == payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#aaf147e388219822ba1e3c385e95252c2">trackedValueDelta</a>, <span class="stringliteral">&quot;xrpl::detail::doPayment&quot;</span>, <span class="stringliteral">&quot;Full value payment&quot;</span>);</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> managementFeeOutstandingProxy == payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a9902022d53c3cc1c11ab674f691a66ea">trackedManagementFeeDelta</a>,</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="stringliteral">&quot;xrpl::detail::doPayment&quot;</span>,</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="stringliteral">&quot;Full management fee payment&quot;</span>);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> </div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="comment">// Mark the loan as complete</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> paymentRemainingProxy = 0;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> </div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="comment">// Record when the final payment was made</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> prevPaymentDateProxy = *nextDueDateProxy;</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> </div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="comment">// Clear the next due date. Setting it to 0 causes</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="comment">// it to be removed from the Loan ledger object, saving space.</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> nextDueDateProxy = 0;</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> </div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="comment">// Zero out all tracked loan balances to mark the loan as paid off.</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="comment">// These will be removed from the Loan object since they&#39;re default</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="comment">// values.</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> principalOutstandingProxy = 0;</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> totalValueOutstandingProxy = 0;</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> managementFeeOutstandingProxy = 0;</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> }</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> {</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="comment">// For regular payments (not overpayments), advance the payment schedule</span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keywordflow">if</span> (payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a7e666983b5e6c287dd1163db8c65ad15">specialCase</a> != <a class="code hl_enumvalue" href="namespacexrpl_1_1detail.html#a230ef83732e01df4f26a546cfadcbab0aea9f91b2cda019730f2891bd12a7a4d6">PaymentSpecialCase::extra</a>)</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> {</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> paymentRemainingProxy -= 1;</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> </div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> prevPaymentDateProxy = nextDueDateProxy;</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> nextDueDateProxy += paymentInterval;</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> }</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> principalOutstandingProxy &gt; payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a>,</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="stringliteral">&quot;xrpl::detail::doPayment&quot;</span>,</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="stringliteral">&quot;Partial principal payment&quot;</span>);</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> totalValueOutstandingProxy &gt; payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#aaf147e388219822ba1e3c385e95252c2">trackedValueDelta</a>, <span class="stringliteral">&quot;xrpl::detail::doPayment&quot;</span>, <span class="stringliteral">&quot;Partial value payment&quot;</span>);</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="comment">// Management fees are expected to be relatively small, and could get to</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="comment">// zero before the loan is paid off</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> managementFeeOutstandingProxy &gt;= payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a9902022d53c3cc1c11ab674f691a66ea">trackedManagementFeeDelta</a>,</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="stringliteral">&quot;xrpl::detail::doPayment&quot;</span>,</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="stringliteral">&quot;Valid management fee&quot;</span>);</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> </div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="comment">// Apply the payment deltas to reduce the outstanding balances</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> principalOutstandingProxy -= payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a>;</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> totalValueOutstandingProxy -= payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#aaf147e388219822ba1e3c385e95252c2">trackedValueDelta</a>;</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> managementFeeOutstandingProxy -= payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a9902022d53c3cc1c11ab674f691a66ea">trackedManagementFeeDelta</a>;</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> }</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> </div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="comment">// Principal can never exceed total value (principal is part of total value)</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="comment">// Use an explicit cast because the template parameter can be</span></div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <span class="comment">// ValueProxy&lt;Number&gt; or Number</span></div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <span class="keyword">static_cast&lt;</span><a class="code hl_class" href="classxrpl_1_1Number.html">Number</a><span class="keyword">&gt;</span>(principalOutstandingProxy) &lt;= <span class="keyword">static_cast&lt;</span><a class="code hl_class" href="classxrpl_1_1Number.html">Number</a><span class="keyword">&gt;</span>(totalValueOutstandingProxy),</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="stringliteral">&quot;xrpl::detail::doPayment&quot;</span>,</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <span class="stringliteral">&quot;principal does not exceed total&quot;</span>);</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> </div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="comment">// Use an explicit cast because the template parameter can be</span></div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="comment">// ValueProxy&lt;Number&gt; or Number</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="keyword">static_cast&lt;</span><a class="code hl_class" href="classxrpl_1_1Number.html">Number</a><span class="keyword">&gt;</span>(managementFeeOutstandingProxy) &gt;= beast::zero,</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="stringliteral">&quot;xrpl::detail::doPayment&quot;</span>,</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="stringliteral">&quot;fee outstanding stays valid&quot;</span>);</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> </div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structxrpl_1_1LoanPaymentParts.html">LoanPaymentParts</a>{<span class="comment">// Principal paid is straightforward - it&#39;s the tracked delta</span></div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> .<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a1b52273c7ca5cc424b7f536913084e12">principalPaid</a> = payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a>,</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> </div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="comment">// Interest paid combines:</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <span class="comment">// 1. Tracked interest from the amortization schedule</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="comment">// (derived from the tracked deltas)</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="comment">// 2. Untracked interest (e.g., late payment penalties)</span></div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> .interestPaid = payment.<a class="code hl_function" href="structxrpl_1_1detail_1_1PaymentComponents.html#aa30fd60dc48a49282dc44785618f0575">trackedInterestPart</a>() + payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#aa9a5440887f0298b8b5850b2bb46439c">untrackedInterest</a>,</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> </div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="comment">// Value change represents how the loan&#39;s total value changed beyond</span></div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="comment">// normal amortization.</span></div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> .valueChange = payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#aa9a5440887f0298b8b5850b2bb46439c">untrackedInterest</a>,</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> </div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="comment">// Fee paid combines:</span></div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="comment">// 1. Tracked management fees from the amortization schedule</span></div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="comment">// 2. Untracked fees (e.g., late payment fees, service fees)</span></div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> .feePaid = payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a9902022d53c3cc1c11ab674f691a66ea">trackedManagementFeeDelta</a> + payment.<a class="code hl_variable" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#a80359a52a00dae26b58593b757114f60">untrackedManagementFee</a>};</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span>}</div>
</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> </div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span><span class="comment">/* Simulates an overpayment to validate it won&#39;t break the loan&#39;s amortization.</span></div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span><span class="comment"> *</span></div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span><span class="comment"> * When a borrower pays more than the scheduled amount, the loan needs to be</span></div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span><span class="comment"> * re-amortized with a lower principal. This function performs that calculation</span></div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span><span class="comment"> * in a &quot;sandbox&quot; using temporary variables, allowing the caller to validate</span></div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span><span class="comment"> * the result before committing changes to the actual ledger.</span></div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span><span class="comment"> *</span></div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span><span class="comment"> * The function preserves accumulated rounding errors across the re-amortization</span></div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span><span class="comment"> * to ensure the loan state remains consistent with its payment history.</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span><span class="comment"> */</span></div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span><a class="code hl_class" href="classxrpl_1_1Expected.html">Expected&lt;std::pair&lt;LoanPaymentParts, LoanProperties&gt;</a>, <a class="code hl_class" href="classxrpl_1_1TERSubset.html">TER</a>&gt;</div>
<div class="foldopen" id="foldopen00361" data-start="{" data-end="}">
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#aca6e0314d2254e8552eaf0c0117c49e3"> 361</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#aca6e0314d2254e8552eaf0c0117c49e3">tryOverpayment</a>(</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; asset,</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> loanScale,</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html">ExtendedPaymentComponents</a> <span class="keyword">const</span>&amp; overpaymentComponents,</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> <a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a> <span class="keyword">const</span>&amp; roundedOldState,</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicPayment,</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicRate,</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentRemaining,</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips16</a> <span class="keyword">const</span> managementFeeRate,</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <a class="code hl_class" href="classbeast_1_1Journal.html">beast::Journal</a> j)</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span>{</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="comment">// Calculate what the loan state SHOULD be theoretically (at full precision)</span></div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="keyword">auto</span> <span class="keyword">const</span> theoreticalState =</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <a class="code hl_function" href="namespacexrpl.html#a5405a03459935d24ab27d4a0b9c5afc6">computeTheoreticalLoanState</a>(periodicPayment, periodicRate, paymentRemaining, managementFeeRate);</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> </div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="comment">// Calculate the accumulated rounding errors. These need to be preserved</span></div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="comment">// across the re-amortization to maintain consistency with the loan&#39;s</span></div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="comment">// payment history. Without preserving these errors, the loan could end</span></div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="comment">// up with a different total value than what the borrower has actually paid.</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keyword">auto</span> <span class="keyword">const</span> errors = roundedOldState - theoreticalState;</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> </div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <span class="comment">// Compute the new principal by applying the overpayment to the theoretical</span></div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="comment">// principal. Use max with 0 to ensure we never go negative.</span></div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="keyword">auto</span> <span class="keyword">const</span> newTheoreticalPrincipal =</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(theoreticalState.principalOutstanding - overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a>, <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a>{0});</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> </div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> <span class="comment">// Compute new loan properties based on the reduced principal. This</span></div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> <span class="comment">// recalculates the periodic payment, total value, and management fees</span></div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="comment">// for the remaining payment schedule.</span></div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="keyword">auto</span> newLoanProperties = <a class="code hl_function" href="namespacexrpl.html#aeb1403000c2c2a5c8fa065d22f7cbcaf">computeLoanProperties</a>(</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> asset, newTheoreticalPrincipal, periodicRate, paymentRemaining, managementFeeRate, loanScale);</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> </div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;new periodic payment: &quot;</span> &lt;&lt; newLoanProperties.periodicPayment</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> &lt;&lt; <span class="stringliteral">&quot;, new total value: &quot;</span> &lt;&lt; newLoanProperties.loanState.valueOutstanding</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> &lt;&lt; <span class="stringliteral">&quot;, first payment principal: &quot;</span> &lt;&lt; newLoanProperties.firstPaymentPrincipal;</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> </div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <span class="comment">// Calculate what the new loan state should be with the new periodic payment</span></div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="comment">// including rounding errors</span></div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <span class="keyword">auto</span> <span class="keyword">const</span> newTheoreticalState =</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <a class="code hl_function" href="namespacexrpl.html#a5405a03459935d24ab27d4a0b9c5afc6">computeTheoreticalLoanState</a>(</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> newLoanProperties.periodicPayment, periodicRate, paymentRemaining, managementFeeRate) +</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> errors;</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> </div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;new theoretical value: &quot;</span> &lt;&lt; newTheoreticalState.valueOutstanding</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> &lt;&lt; <span class="stringliteral">&quot;, principal: &quot;</span> &lt;&lt; newTheoreticalState.principalOutstanding</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> &lt;&lt; <span class="stringliteral">&quot;, interest gross: &quot;</span> &lt;&lt; newTheoreticalState.interestOutstanding();</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> </div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <span class="comment">// Update the loan state variables with the new values that include the</span></div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="comment">// preserved rounding errors. This ensures the loan&#39;s tracked state remains</span></div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="comment">// consistent with its payment history.</span></div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="keyword">auto</span> <span class="keyword">const</span> principalOutstanding = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/clamp.html">std::clamp</a>(</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, newTheoreticalState.principalOutstanding, loanScale, <a class="code hl_enumvalue" href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aaf71effcd4dcf7bc7c89bb51e27e8b17">Number::upward</a>),</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>,</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> roundedOldState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a1f506c760e69ff48dced9856ee212ffd">principalOutstanding</a>);</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="keyword">auto</span> <span class="keyword">const</span> totalValueOutstanding = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/clamp.html">std::clamp</a>(</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> asset, principalOutstanding + newTheoreticalState.interestOutstanding(), loanScale, <a class="code hl_enumvalue" href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aaf71effcd4dcf7bc7c89bb51e27e8b17">Number::upward</a>),</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>,</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> roundedOldState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a>);</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> <span class="keyword">auto</span> <span class="keyword">const</span> managementFeeOutstanding = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/clamp.html">std::clamp</a>(</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, newTheoreticalState.managementFeeDue, loanScale),</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>,</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> roundedOldState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ae0ba86a40394a2d7ce4474945b724c02">managementFeeDue</a>);</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> </div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> <span class="keyword">auto</span> <span class="keyword">const</span> roundedNewState =</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <a class="code hl_function" href="namespacexrpl.html#aeb5f98fcbd289260f4848cbf266400a4">constructLoanState</a>(totalValueOutstanding, principalOutstanding, managementFeeOutstanding);</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> </div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="comment">// Update newLoanProperties so that checkLoanGuards can make an accurate</span></div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="comment">// evaluation.</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> newLoanProperties.loanState = roundedNewState;</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> </div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;new rounded value: &quot;</span> &lt;&lt; roundedNewState.valueOutstanding</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> &lt;&lt; <span class="stringliteral">&quot;, principal: &quot;</span> &lt;&lt; roundedNewState.principalOutstanding</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> &lt;&lt; <span class="stringliteral">&quot;, interest gross: &quot;</span> &lt;&lt; roundedNewState.interestOutstanding();</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> </div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="comment">// check that the loan is still valid</span></div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> ter = <a class="code hl_function" href="namespacexrpl.html#a7808b36d8f2224062a27cd2a84250604">checkLoanGuards</a>(</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> asset,</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> principalOutstanding,</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> <span class="comment">// The loan may have been created with interest, but for</span></div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="comment">// small interest amounts, that may have already been paid</span></div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> <span class="comment">// off. Check what&#39;s still outstanding. This should</span></div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <span class="comment">// guarantee that the interest checks pass.</span></div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> roundedNewState.interestOutstanding() != beast::zero,</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> paymentRemaining,</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> newLoanProperties,</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> j))</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> {</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Principal overpayment would cause the loan to be in &quot;</span></div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="stringliteral">&quot;an invalid state. Ignore the overpayment&quot;</span>;</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> </div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>);</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> }</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> </div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="comment">// Validate that all computed properties are reasonable. These checks should</span></div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="comment">// never fail under normal circumstances, but we validate defensively.</span></div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <span class="keywordflow">if</span> (newLoanProperties.periodicPayment &lt;= 0 || newLoanProperties.loanState.valueOutstanding &lt;= 0 ||</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> newLoanProperties.loanState.managementFeeDue &lt; 0)</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> {</div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Overpayment not allowed: Computed loan &quot;</span></div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <span class="stringliteral">&quot;properties are invalid. Does &quot;</span></div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="stringliteral">&quot;not compute. TotalValueOutstanding: &quot;</span></div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> &lt;&lt; newLoanProperties.loanState.valueOutstanding</div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> &lt;&lt; <span class="stringliteral">&quot;, PeriodicPayment : &quot;</span> &lt;&lt; newLoanProperties.periodicPayment</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> &lt;&lt; <span class="stringliteral">&quot;, ManagementFeeOwedToBroker: &quot;</span> &lt;&lt; newLoanProperties.loanState.managementFeeDue;</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>);</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> }</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> </div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="keyword">auto</span> <span class="keyword">const</span> deltas = roundedOldState - roundedNewState;</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> </div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> <span class="comment">// The change in loan management fee is equal to the change between the old</span></div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <span class="comment">// and the new outstanding management fees</span></div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> deltas.managementFee == roundedOldState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ae0ba86a40394a2d7ce4474945b724c02">managementFeeDue</a> - managementFeeOutstanding,</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> <span class="stringliteral">&quot;xrpl::detail::tryOverpayment&quot;</span>,</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="stringliteral">&quot;no fee change&quot;</span>);</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> </div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> <span class="comment">// Calculate how the loan&#39;s value changed due to the overpayment.</span></div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> <span class="comment">// This should be negative (value decreased) or zero. A principal</span></div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> <span class="comment">// overpayment should never increase the loan&#39;s value.</span></div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="comment">// The value change is derived from the reduction in interest due to</span></div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <span class="comment">// the lower principal.</span></div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="comment">// We do not consider the change in management fee here, since</span></div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> <span class="comment">// management fees are excluded from the valueOutstanding.</span></div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> <span class="keyword">auto</span> <span class="keyword">const</span> valueChange = -deltas.interest;</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> <span class="keywordflow">if</span> (valueChange &gt; 0)</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> {</div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Principal overpayment would increase the value of &quot;</span></div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> <span class="stringliteral">&quot;the loan. Ignore the overpayment&quot;</span>;</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>);</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> }</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> </div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/pair/make_pair.html">std::make_pair</a>(</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <a class="code hl_struct" href="structxrpl_1_1LoanPaymentParts.html">LoanPaymentParts</a>{</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> <span class="comment">// Principal paid is the reduction in principal outstanding</span></div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> .<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a1b52273c7ca5cc424b7f536913084e12">principalPaid</a> = deltas.principal,</div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> <span class="comment">// Interest paid is the reduction in interest due</span></div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> .interestPaid = overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#aa9a5440887f0298b8b5850b2bb46439c">untrackedInterest</a>,</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> <span class="comment">// Value change includes both the reduction from paying down</span></div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> <span class="comment">// principal (negative) and any untracked interest penalties</span></div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <span class="comment">// (positive, e.g., if the overpayment itself incurs a fee)</span></div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> .valueChange = valueChange + overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#aa9a5440887f0298b8b5850b2bb46439c">untrackedInterest</a>,</div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> <span class="comment">// Fee paid includes both the reduction in tracked management fees</span></div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <span class="comment">// and any untracked fees on the overpayment itself</span></div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> .feePaid = overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#a80359a52a00dae26b58593b757114f60">untrackedManagementFee</a> + overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a9902022d53c3cc1c11ab674f691a66ea">trackedManagementFeeDelta</a>,</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> },</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> newLoanProperties);</div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span>}</div>
</div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> </div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span><span class="comment">/* Validates and applies an overpayment to the loan state.</span></div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span><span class="comment"> *</span></div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span><span class="comment"> * This function acts as a wrapper around tryOverpayment(), performing the</span></div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span><span class="comment"> * re-amortization calculation in a sandbox (using temporary copies of the</span></div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span><span class="comment"> * loan state), then validating the results before committing them to the</span></div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span><span class="comment"> * actual ledger via the proxy objects.</span></div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span><span class="comment"> *</span></div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span><span class="comment"> * The two-step process (try in sandbox, then commit) ensures that if the</span></div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span><span class="comment"> * overpayment would leave the loan in an invalid state, we can reject it</span></div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span><span class="comment"> * gracefully without corrupting the ledger data.</span></div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span><span class="comment"> */</span></div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> NumberProxy&gt;</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span><a class="code hl_class" href="classxrpl_1_1Expected.html">Expected&lt;LoanPaymentParts, TER&gt;</a></div>
<div class="foldopen" id="foldopen00525" data-start="{" data-end="}">
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#a45834c9016f224c507fe46b5fb6834b9"> 525</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#a45834c9016f224c507fe46b5fb6834b9">doOverpayment</a>(</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> <a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; asset,</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> loanScale,</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html">ExtendedPaymentComponents</a> <span class="keyword">const</span>&amp; overpaymentComponents,</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> NumberProxy&amp; totalValueOutstandingProxy,</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> NumberProxy&amp; principalOutstandingProxy,</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> NumberProxy&amp; managementFeeOutstandingProxy,</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> NumberProxy&amp; periodicPaymentProxy,</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicRate,</div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> paymentRemaining,</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips16</a> <span class="keyword">const</span> managementFeeRate,</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> <a class="code hl_class" href="classbeast_1_1Journal.html">beast::Journal</a> j)</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span>{</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> <span class="keyword">auto</span> <span class="keyword">const</span> loanState =</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> <a class="code hl_function" href="namespacexrpl.html#aeb5f98fcbd289260f4848cbf266400a4">constructLoanState</a>(totalValueOutstandingProxy, principalOutstandingProxy, managementFeeOutstandingProxy);</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> <span class="keyword">auto</span> <span class="keyword">const</span> periodicPayment = periodicPaymentProxy;</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;overpayment components:&quot;</span></div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> &lt;&lt; <span class="stringliteral">&quot;, totalValue before: &quot;</span> &lt;&lt; *totalValueOutstandingProxy</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> &lt;&lt; <span class="stringliteral">&quot;, valueDelta: &quot;</span> &lt;&lt; overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#aaf147e388219822ba1e3c385e95252c2">trackedValueDelta</a></div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> &lt;&lt; <span class="stringliteral">&quot;, principalDelta: &quot;</span> &lt;&lt; overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a></div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> &lt;&lt; <span class="stringliteral">&quot;, managementFeeDelta: &quot;</span> &lt;&lt; overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a9902022d53c3cc1c11ab674f691a66ea">trackedManagementFeeDelta</a></div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> &lt;&lt; <span class="stringliteral">&quot;, interestPart: &quot;</span> &lt;&lt; overpaymentComponents.<a class="code hl_function" href="structxrpl_1_1detail_1_1PaymentComponents.html#aa30fd60dc48a49282dc44785618f0575">trackedInterestPart</a>()</div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> &lt;&lt; <span class="stringliteral">&quot;, untrackedInterest: &quot;</span> &lt;&lt; overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#aa9a5440887f0298b8b5850b2bb46439c">untrackedInterest</a></div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> &lt;&lt; <span class="stringliteral">&quot;, totalDue: &quot;</span> &lt;&lt; overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#a74531324820f03f086d012cb4ea51701">totalDue</a> &lt;&lt; <span class="stringliteral">&quot;, payments remaining :&quot;</span> &lt;&lt; paymentRemaining;</div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> </div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <span class="comment">// Attempt to re-amortize the loan with the overpayment applied.</span></div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="comment">// This modifies the temporary copies, leaving the proxies unchanged.</span></div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="keyword">auto</span> <span class="keyword">const</span> ret = <a class="code hl_function" href="namespacexrpl_1_1detail.html#aca6e0314d2254e8552eaf0c0117c49e3">tryOverpayment</a>(</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> asset,</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> loanScale,</div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> overpaymentComponents,</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> loanState,</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> periodicPayment,</div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> periodicRate,</div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> paymentRemaining,</div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> managementFeeRate,</div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> j);</div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> <span class="keywordflow">if</span> (!ret)</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(ret.error());</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> </div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; [loanPaymentParts, newLoanProperties] = *ret;</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> <span class="keyword">auto</span> <span class="keyword">const</span> newRoundedLoanState = newLoanProperties.loanState;</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> </div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> <span class="comment">// Safety check: the principal must have decreased. If it didn&#39;t (or</span></div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="comment">// increased!), something went wrong in the calculation and we should</span></div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> <span class="comment">// reject the overpayment.</span></div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> <span class="keywordflow">if</span> (principalOutstandingProxy &lt;= newRoundedLoanState.principalOutstanding)</div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> {</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Overpayment not allowed: principal &quot;</span></div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> &lt;&lt; <span class="stringliteral">&quot;outstanding did not decrease. Before: &quot;</span> &lt;&lt; *principalOutstandingProxy</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> &lt;&lt; <span class="stringliteral">&quot;. After: &quot;</span> &lt;&lt; newRoundedLoanState.principalOutstanding;</div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>);</div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> }</div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> </div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <span class="comment">// The proxies still hold the original (pre-overpayment) values, which</span></div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> <span class="comment">// allows us to compute deltas and verify they match what we expect</span></div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <span class="comment">// from the overpaymentComponents and loanPaymentParts.</span></div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> </div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a> ==</div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> principalOutstandingProxy - newRoundedLoanState.principalOutstanding,</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> <span class="stringliteral">&quot;xrpl::detail::doOverpayment&quot;</span>,</div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <span class="stringliteral">&quot;principal change agrees&quot;</span>);</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> </div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> <span class="comment">// I&#39;m not 100% sure the following asserts are correct. If in doubt, and</span></div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> <span class="comment">// everything else works, remove any that cause trouble.</span></div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> </div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;valueChange: &quot;</span> &lt;&lt; loanPaymentParts.valueChange</div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> &lt;&lt; <span class="stringliteral">&quot;, totalValue before: &quot;</span> &lt;&lt; *totalValueOutstandingProxy</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> &lt;&lt; <span class="stringliteral">&quot;, totalValue after: &quot;</span> &lt;&lt; newRoundedLoanState.valueOutstanding</div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> &lt;&lt; <span class="stringliteral">&quot;, totalValue delta: &quot;</span> &lt;&lt; (totalValueOutstandingProxy - newRoundedLoanState.valueOutstanding)</div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> &lt;&lt; <span class="stringliteral">&quot;, principalDelta: &quot;</span> &lt;&lt; overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a></div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> &lt;&lt; <span class="stringliteral">&quot;, principalPaid: &quot;</span> &lt;&lt; loanPaymentParts.principalPaid &lt;&lt; <span class="stringliteral">&quot;, Computed difference: &quot;</span></div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> &lt;&lt; overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a> -</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> (totalValueOutstandingProxy - newRoundedLoanState.valueOutstanding);</div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> </div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> loanPaymentParts.valueChange ==</div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> newRoundedLoanState.valueOutstanding -</div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> (totalValueOutstandingProxy - overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a>) +</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> overpaymentComponents.<a class="code hl_function" href="structxrpl_1_1detail_1_1PaymentComponents.html#aa30fd60dc48a49282dc44785618f0575">trackedInterestPart</a>(),</div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <span class="stringliteral">&quot;xrpl::detail::doOverpayment&quot;</span>,</div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <span class="stringliteral">&quot;interest paid agrees&quot;</span>);</div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> </div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a> == loanPaymentParts.principalPaid,</div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> <span class="stringliteral">&quot;xrpl::detail::doOverpayment&quot;</span>,</div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <span class="stringliteral">&quot;principal payment matches&quot;</span>);</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> </div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="comment">// All validations passed, so update the proxy objects (which will</span></div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="comment">// modify the actual Loan ledger object)</span></div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> totalValueOutstandingProxy = newRoundedLoanState.valueOutstanding;</div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> principalOutstandingProxy = newRoundedLoanState.principalOutstanding;</div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> managementFeeOutstandingProxy = newRoundedLoanState.managementFeeDue;</div>
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> periodicPaymentProxy = newLoanProperties.periodicPayment;</div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> </div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> <span class="keywordflow">return</span> loanPaymentParts;</div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span>}</div>
</div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> </div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span><span class="comment">/* Computes the payment components for a late payment.</span></div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span><span class="comment"> *</span></div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span><span class="comment"> * A late payment is made after the grace period has expired and includes:</span></div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span><span class="comment"> * 1. All components of a regular periodic payment</span></div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span><span class="comment"> * 2. Late payment penalty interest (accrued since the due date)</span></div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span><span class="comment"> * 3. Late payment fee charged by the broker</span></div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span><span class="comment"> *</span></div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span><span class="comment"> * The late penalty interest increases the loan&#39;s total value (the borrower</span></div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span><span class="comment"> * owes more than scheduled), while the regular payment components follow</span></div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span><span class="comment"> * the normal amortization schedule.</span></div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span><span class="comment"> *</span></div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span><span class="comment"> * Implements equation (15) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span><span class="comment"> */</span></div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span><a class="code hl_class" href="classxrpl_1_1Expected.html">Expected&lt;ExtendedPaymentComponents, TER&gt;</a></div>
<div class="foldopen" id="foldopen00640" data-start="{" data-end="}">
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#a5143b712974ff58f23a5b68454533145"> 640</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#a5143b712974ff58f23a5b68454533145">computeLatePayment</a>(</div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> <a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; asset,</div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> <a class="code hl_class" href="classxrpl_1_1ApplyView.html">ApplyView</a> <span class="keyword">const</span>&amp; view,</div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; principalOutstanding,</div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> nextDueDate,</div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html">ExtendedPaymentComponents</a> <span class="keyword">const</span>&amp; periodic,</div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> lateInterestRate,</div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> loanScale,</div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; latePaymentFee,</div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a> <span class="keyword">const</span>&amp; amount,</div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips16</a> managementFeeRate,</div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> <a class="code hl_class" href="classbeast_1_1Journal.html">beast::Journal</a> j)</div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span>{</div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> <span class="comment">// Check if the due date has passed. If not, reject the payment as</span></div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> <span class="comment">// being too soon</span></div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespacexrpl.html#a40c90ebb8451681b42b277806fe0b9f4">hasExpired</a>(view, nextDueDate))</div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba7d6f804411ab68ae086c8933e905b96e">tecTOO_SOON</a>);</div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> </div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span> <span class="comment">// Calculate the penalty interest based on how long the payment is overdue.</span></div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> <span class="keyword">auto</span> <span class="keyword">const</span> latePaymentInterest =</div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> <a class="code hl_function" href="namespacexrpl_1_1detail.html#a74c45da413598f6093a963c624b14bec">loanLatePaymentInterest</a>(principalOutstanding, lateInterestRate, view.<a class="code hl_function" href="classxrpl_1_1ReadView.html#a0796f54cc244f05d8d97e0cbd9f53efe">parentCloseTime</a>(), nextDueDate);</div>
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> </div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> <span class="comment">// Round the late interest and split it between the vault (net interest)</span></div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> <span class="comment">// and the broker (management fee portion). This lambda ensures we</span></div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> <span class="comment">// round before splitting to maintain precision.</span></div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> <span class="keyword">auto</span> <span class="keyword">const</span> [roundedLateInterest, roundedLateManagementFee] = [&amp;]() {</div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> <span class="keyword">auto</span> <span class="keyword">const</span> interest = <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, latePaymentInterest, loanScale);</div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacexrpl_1_1detail.html#a74526fc90ae53e8e61d94db5bf7327e9">computeInterestAndFeeParts</a>(asset, interest, managementFeeRate, loanScale);</div>
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> }();</div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> </div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> XRPL_ASSERT(roundedLateInterest &gt;= 0, <span class="stringliteral">&quot;xrpl::detail::computeLatePayment : valid late interest&quot;</span>);</div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> periodic.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a7e666983b5e6c287dd1163db8c65ad15">specialCase</a> != <a class="code hl_enumvalue" href="namespacexrpl_1_1detail.html#a230ef83732e01df4f26a546cfadcbab0aea9f91b2cda019730f2891bd12a7a4d6">PaymentSpecialCase::extra</a>,</div>
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> <span class="stringliteral">&quot;xrpl::detail::computeLatePayment&quot;</span>,</div>
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> <span class="stringliteral">&quot;no extra parts to this payment&quot;</span>);</div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> </div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> <span class="comment">// Create the late payment components by copying the regular periodic</span></div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> <span class="comment">// payment and adding the late penalties. We use a lambda to construct</span></div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> <span class="comment">// this to keep the logic clear. This preserves all the other fields without</span></div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> <span class="comment">// having to enumerate them.</span></div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> </div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html">ExtendedPaymentComponents</a> <span class="keyword">const</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6caf2c67381db28fa11c59fe7a6df0f2587">late</a>{</div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> periodic,</div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> <span class="comment">// Untracked management fee includes:</span></div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> <span class="comment">// 1. Regular service fee (from periodic.untrackedManagementFee)</span></div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> <span class="comment">// 2. Late payment fee (fixed penalty)</span></div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> <span class="comment">// 3. Management fee portion of late interest</span></div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> periodic.<a class="code hl_variable" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#a80359a52a00dae26b58593b757114f60">untrackedManagementFee</a> + latePaymentFee + roundedLateManagementFee,</div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> </div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> <span class="comment">// Untracked interest includes:</span></div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> <span class="comment">// 1. Any untracked interest from the regular payment (usually 0)</span></div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> <span class="comment">// 2. Late penalty interest (increases loan value)</span></div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> <span class="comment">// This positive value indicates the loan&#39;s value increased due</span></div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> <span class="comment">// to the late payment.</span></div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> periodic.<a class="code hl_variable" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#aa9a5440887f0298b8b5850b2bb46439c">untrackedInterest</a> + roundedLateInterest};</div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> </div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> <a class="code hl_function" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">isRounded</a>(asset, <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6caf2c67381db28fa11c59fe7a6df0f2587">late</a>.totalDue, loanScale), <span class="stringliteral">&quot;xrpl::detail::computeLatePayment&quot;</span>, <span class="stringliteral">&quot;total due is rounded&quot;</span>);</div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> </div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> <span class="comment">// Check that the borrower provided enough funds to cover the late payment.</span></div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> <span class="comment">// The late payment is more expensive than a regular payment due to the</span></div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> <span class="comment">// penalties.</span></div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> <span class="keywordflow">if</span> (amount &lt; <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6caf2c67381db28fa11c59fe7a6df0f2587">late</a>.totalDue)</div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> {</div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Late loan payment amount is insufficient. Due: &quot;</span> &lt;&lt; <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6caf2c67381db28fa11c59fe7a6df0f2587">late</a>.totalDue &lt;&lt; <span class="stringliteral">&quot;, paid: &quot;</span> &lt;&lt; amount;</div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556baffcaa48f78bf349ec4434b2351577362">tecINSUFFICIENT_PAYMENT</a>);</div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> }</div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> </div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6caf2c67381db28fa11c59fe7a6df0f2587">late</a>;</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span>}</div>
</div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> </div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span><span class="comment">/* Computes payment components for paying off a loan early (before final</span></div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span><span class="comment"> * payment).</span></div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span><span class="comment"> *</span></div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span><span class="comment"> * A full payment closes the loan immediately, paying off all outstanding</span></div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span><span class="comment"> * balances plus a prepayment penalty and any accrued interest since the last</span></div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span><span class="comment"> * payment. This is different from the final scheduled payment, which has no</span></div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span><span class="comment"> * prepayment penalty.</span></div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span><span class="comment"> *</span></div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span><span class="comment"> * The function calculates:</span></div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span><span class="comment"> * - Accrued interest since last payment (time-based)</span></div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span><span class="comment"> * - Prepayment penalty (percentage of remaining principal)</span></div>
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span><span class="comment"> * - Close payment fee (fixed fee for early closure)</span></div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span><span class="comment"> * - All remaining principal and outstanding fees</span></div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span><span class="comment"> *</span></div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span><span class="comment"> * The loan&#39;s value may increase or decrease depending on whether the prepayment</span></div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span><span class="comment"> * penalty exceeds the scheduled interest that would have been paid.</span></div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span><span class="comment"> *</span></div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span><span class="comment"> * Implements equation (26) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span><span class="comment"> */</span></div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span><a class="code hl_class" href="classxrpl_1_1Expected.html">Expected&lt;ExtendedPaymentComponents, TER&gt;</a></div>
<div class="foldopen" id="foldopen00731" data-start="{" data-end="}">
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#a1987e4abb6916c5edb63687534395966"> 731</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#a1987e4abb6916c5edb63687534395966">computeFullPayment</a>(</div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> <a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; asset,</div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> <a class="code hl_class" href="classxrpl_1_1ApplyView.html">ApplyView</a>&amp; view,</div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; principalOutstanding,</div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; managementFeeOutstanding,</div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicPayment,</div>
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentRemaining,</div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> prevPaymentDate,</div>
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> startDate,</div>
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> paymentInterval,</div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> <span class="keyword">const</span> closeInterestRate,</div>
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> loanScale,</div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; totalInterestOutstanding,</div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicRate,</div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; closePaymentFee,</div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a> <span class="keyword">const</span>&amp; amount,</div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips16</a> managementFeeRate,</div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> <a class="code hl_class" href="classbeast_1_1Journal.html">beast::Journal</a> j)</div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span>{</div>
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> <span class="comment">// Full payment must be made before the final scheduled payment.</span></div>
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> <span class="keywordflow">if</span> (paymentRemaining &lt;= 1)</div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> {</div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> <span class="comment">// If this is the last payment, it has to be a regular payment</span></div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Last payment cannot be a full payment.&quot;</span>;</div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556bad7d421519cd6967c3f800367554f8391">tecKILLED</a>);</div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> }</div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> </div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> <span class="comment">// Calculate the theoretical principal based on the payment schedule.</span></div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> <span class="comment">// This theoretical (unrounded) value is used to compute interest and</span></div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> <span class="comment">// penalties accurately.</span></div>
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> theoreticalPrincipalOutstanding =</div>
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span> <a class="code hl_function" href="namespacexrpl_1_1detail.html#a9cb3bfa78dfb3083bb2592e519aa1fc2">loanPrincipalFromPeriodicPayment</a>(periodicPayment, periodicRate, paymentRemaining);</div>
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> </div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> <span class="comment">// Full payment interest includes both accrued interest (time since last</span></div>
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> <span class="comment">// payment) and prepayment penalty (for closing early).</span></div>
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> <span class="keyword">auto</span> <span class="keyword">const</span> fullPaymentInterest = <a class="code hl_function" href="namespacexrpl.html#af74cf647690ab5cdb695b5edf8c75a91">computeFullPaymentInterest</a>(</div>
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> theoreticalPrincipalOutstanding,</div>
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> periodicRate,</div>
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> view.<a class="code hl_function" href="classxrpl_1_1ReadView.html#a0796f54cc244f05d8d97e0cbd9f53efe">parentCloseTime</a>(),</div>
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span> paymentInterval,</div>
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"> 771</span> prevPaymentDate,</div>
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span> startDate,</div>
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> closeInterestRate);</div>
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span> </div>
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span> <span class="comment">// Split the full payment interest into net interest (to vault) and</span></div>
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> <span class="comment">// management fee (to broker), applying proper rounding.</span></div>
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> <span class="keyword">auto</span> <span class="keyword">const</span> [roundedFullInterest, roundedFullManagementFee] = [&amp;]() {</div>
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> <span class="keyword">auto</span> <span class="keyword">const</span> interest = <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, fullPaymentInterest, loanScale, <a class="code hl_enumvalue" href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aefac6c5bd63a85dcee4fc69baf788d40">Number::downward</a>);</div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacexrpl_1_1detail.html#a74526fc90ae53e8e61d94db5bf7327e9">computeInterestAndFeeParts</a>(asset, interest, managementFeeRate, loanScale);</div>
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> }();</div>
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span> </div>
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html">ExtendedPaymentComponents</a> <span class="keyword">const</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6cae9dc924f238fa6cc29465942875fe8f0">full</a>{</div>
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1PaymentComponents.html">PaymentComponents</a>{</div>
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span> <span class="comment">// Pay off all tracked outstanding balances: principal, interest,</span></div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> <span class="comment">// and fees.</span></div>
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"> 786</span> <span class="comment">// This marks the loan as complete (final payment).</span></div>
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> .<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#aaf147e388219822ba1e3c385e95252c2">trackedValueDelta</a> = principalOutstanding + totalInterestOutstanding + managementFeeOutstanding,</div>
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span> .trackedPrincipalDelta = principalOutstanding,</div>
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span> </div>
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> <span class="comment">// All outstanding management fees are paid. This zeroes out the</span></div>
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span> <span class="comment">// tracked fee balance.</span></div>
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> .trackedManagementFeeDelta = managementFeeOutstanding,</div>
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> .specialCase = <a class="code hl_enumvalue" href="namespacexrpl_1_1detail.html#a230ef83732e01df4f26a546cfadcbab0a2a1585a864d9e67627c6ae04c807a2c5">PaymentSpecialCase::final</a>,</div>
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> },</div>
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> </div>
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> <span class="comment">// Untracked management fee includes:</span></div>
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> <span class="comment">// 1. Close payment fee (fixed fee for early closure)</span></div>
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> <span class="comment">// 2. Management fee on the full payment interest</span></div>
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> <span class="comment">// 3. Minus the outstanding tracked fee (already accounted for above)</span></div>
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> <span class="comment">// This can be negative because the outstanding fee is subtracted, but</span></div>
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"> 801</span> <span class="comment">// it gets combined with trackedManagementFeeDelta in the final</span></div>
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span> <span class="comment">// accounting.</span></div>
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno"> 803</span> closePaymentFee + roundedFullManagementFee - managementFeeOutstanding,</div>
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"> 804</span> </div>
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"> 805</span> <span class="comment">// Value change represents the difference between what the loan was</span></div>
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno"> 806</span> <span class="comment">// expected to earn (totalInterestOutstanding) and what it actually</span></div>
<div class="line"><a id="l00807" name="l00807"></a><span class="lineno"> 807</span> <span class="comment">// earns (roundedFullInterest with prepayment penalty).</span></div>
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno"> 808</span> <span class="comment">// - Positive: Prepayment penalty exceeds scheduled interest (loan value</span></div>
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno"> 809</span> <span class="comment">// increases)</span></div>
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno"> 810</span> <span class="comment">// - Negative: Prepayment penalty is less than scheduled interest (loan</span></div>
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno"> 811</span> <span class="comment">// value decreases)</span></div>
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno"> 812</span> roundedFullInterest - totalInterestOutstanding,</div>
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno"> 813</span> };</div>
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span> </div>
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span> <a class="code hl_function" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">isRounded</a>(asset, <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6cae9dc924f238fa6cc29465942875fe8f0">full</a>.totalDue, loanScale), <span class="stringliteral">&quot;xrpl::detail::computeFullPayment&quot;</span>, <span class="stringliteral">&quot;total due is rounded&quot;</span>);</div>
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> </div>
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) &lt;&lt; <span class="stringliteral">&quot;computeFullPayment result: periodicPayment: &quot;</span> &lt;&lt; periodicPayment</div>
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> &lt;&lt; <span class="stringliteral">&quot;, periodicRate: &quot;</span> &lt;&lt; periodicRate &lt;&lt; <span class="stringliteral">&quot;, paymentRemaining: &quot;</span> &lt;&lt; paymentRemaining</div>
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> &lt;&lt; <span class="stringliteral">&quot;, theoreticalPrincipalOutstanding: &quot;</span> &lt;&lt; theoreticalPrincipalOutstanding</div>
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span> &lt;&lt; <span class="stringliteral">&quot;, fullPaymentInterest: &quot;</span> &lt;&lt; fullPaymentInterest</div>
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno"> 822</span> &lt;&lt; <span class="stringliteral">&quot;, roundedFullInterest: &quot;</span> &lt;&lt; roundedFullInterest</div>
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"> 823</span> &lt;&lt; <span class="stringliteral">&quot;, roundedFullManagementFee: &quot;</span> &lt;&lt; roundedFullManagementFee</div>
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span> &lt;&lt; <span class="stringliteral">&quot;, untrackedInterest: &quot;</span> &lt;&lt; <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6cae9dc924f238fa6cc29465942875fe8f0">full</a>.untrackedInterest;</div>
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> </div>
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> <span class="keywordflow">if</span> (amount &lt; <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6cae9dc924f238fa6cc29465942875fe8f0">full</a>.totalDue)</div>
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> <span class="comment">// If the payment is less than the full payment amount, it&#39;s not</span></div>
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span> <span class="comment">// sufficient to be a full payment.</span></div>
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556baffcaa48f78bf349ec4434b2351577362">tecINSUFFICIENT_PAYMENT</a>);</div>
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno"> 830</span> </div>
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6cae9dc924f238fa6cc29465942875fe8f0">full</a>;</div>
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span>}</div>
</div>
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span> </div>
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span><a class="code hl_class" href="classxrpl_1_1Number.html">Number</a></div>
<div class="foldopen" id="foldopen00835" data-start="{" data-end="}">
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"><a class="line" href="structxrpl_1_1detail_1_1PaymentComponents.html#aa30fd60dc48a49282dc44785618f0575"> 835</a></span><a class="code hl_function" href="structxrpl_1_1detail_1_1PaymentComponents.html#aa30fd60dc48a49282dc44785618f0575">PaymentComponents::trackedInterestPart</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#aaf147e388219822ba1e3c385e95252c2">trackedValueDelta</a> - (<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a> + <a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a9902022d53c3cc1c11ab674f691a66ea">trackedManagementFeeDelta</a>);</div>
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span>}</div>
</div>
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> </div>
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</span><span class="comment">/* Computes the breakdown of a regular periodic payment into principal,</span></div>
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span><span class="comment"> * interest, and management fee components.</span></div>
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span><span class="comment"> *</span></div>
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span><span class="comment"> * This function determines how a single scheduled payment should be split among</span></div>
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span><span class="comment"> * the three tracked loan components. The calculation accounts for accumulated</span></div>
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span><span class="comment"> * rounding errors.</span></div>
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span><span class="comment"> *</span></div>
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span><span class="comment"> * The algorithm:</span></div>
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span><span class="comment"> * 1. Calculate what the loan state SHOULD be after this payment (target)</span></div>
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span><span class="comment"> * 2. Compare current state to target to get deltas</span></div>
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span><span class="comment"> * 3. Adjust deltas to handle rounding artifacts and edge cases</span></div>
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span><span class="comment"> * 4. Ensure deltas don&#39;t exceed available balances or payment amount</span></div>
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span><span class="comment"> *</span></div>
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</span><span class="comment"> * Special handling for the final payment: all remaining balances are paid off</span></div>
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno"> 854</span><span class="comment"> * regardless of the periodic payment amount.</span></div>
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno"> 855</span><span class="comment"> *</span></div>
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span><span class="comment"> * Implements the pseudo-code function `compute_payment_due()`.</span></div>
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span><span class="comment"> */</span></div>
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span><a class="code hl_struct" href="structxrpl_1_1detail_1_1PaymentComponents.html">PaymentComponents</a></div>
<div class="foldopen" id="foldopen00859" data-start="{" data-end="}">
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#a15d4f3e9643b3ad99537596be2abca8f"> 859</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#a15d4f3e9643b3ad99537596be2abca8f">computePaymentComponents</a>(</div>
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"> 860</span> <a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; asset,</div>
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> scale,</div>
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"> 862</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; totalValueOutstanding,</div>
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; principalOutstanding,</div>
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; managementFeeOutstanding,</div>
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno"> 865</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicPayment,</div>
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno"> 866</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicRate,</div>
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno"> 867</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentRemaining,</div>
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno"> 868</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips16</a> managementFeeRate)</div>
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno"> 869</span>{</div>
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno"> 870</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"> 871</span> <a class="code hl_function" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">isRounded</a>(asset, totalValueOutstanding, scale) &amp;&amp; <a class="code hl_function" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">isRounded</a>(asset, principalOutstanding, scale) &amp;&amp;</div>
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno"> 872</span> <a class="code hl_function" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">isRounded</a>(asset, managementFeeOutstanding, scale),</div>
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno"> 873</span> <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>,</div>
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"> 874</span> <span class="stringliteral">&quot;Outstanding values are rounded&quot;</span>);</div>
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> XRPL_ASSERT_PARTS(paymentRemaining &gt; 0, <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>, <span class="stringliteral">&quot;some payments remaining&quot;</span>);</div>
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> </div>
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> <span class="keyword">auto</span> <span class="keyword">const</span> roundedPeriodicPayment = <a class="code hl_function" href="namespacexrpl.html#ac29d2e6cda0723b2ca1f1cdc06fe3965">roundPeriodicPayment</a>(asset, periodicPayment, scale);</div>
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"> 878</span> </div>
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> <span class="comment">// Final payment: pay off everything remaining, ignoring the normal</span></div>
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span> <span class="comment">// periodic payment amount. This ensures the loan completes cleanly.</span></div>
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span> <span class="keywordflow">if</span> (paymentRemaining == 1 || totalValueOutstanding &lt;= roundedPeriodicPayment)</div>
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span> {</div>
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span> <span class="comment">// If there&#39;s only one payment left, we need to pay off each of the loan</span></div>
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno"> 884</span> <span class="comment">// parts.</span></div>
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno"> 885</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1PaymentComponents.html">PaymentComponents</a>{</div>
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno"> 886</span> .<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#aaf147e388219822ba1e3c385e95252c2">trackedValueDelta</a> = totalValueOutstanding,</div>
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno"> 887</span> .trackedPrincipalDelta = principalOutstanding,</div>
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno"> 888</span> .trackedManagementFeeDelta = managementFeeOutstanding,</div>
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno"> 889</span> .specialCase = <a class="code hl_enumvalue" href="namespacexrpl_1_1detail.html#a230ef83732e01df4f26a546cfadcbab0a2a1585a864d9e67627c6ae04c807a2c5">PaymentSpecialCase::final</a>};</div>
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno"> 890</span> }</div>
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno"> 891</span> </div>
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno"> 892</span> <span class="comment">// Calculate what the loan state SHOULD be after this payment (the target).</span></div>
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno"> 893</span> <span class="comment">// This is computed at full precision using the theoretical amortization.</span></div>
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno"> 894</span> <a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a> <span class="keyword">const</span> trueTarget =</div>
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"> 895</span> <a class="code hl_function" href="namespacexrpl.html#a5405a03459935d24ab27d4a0b9c5afc6">computeTheoreticalLoanState</a>(periodicPayment, periodicRate, paymentRemaining - 1, managementFeeRate);</div>
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> </div>
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> <span class="comment">// Round the target to the loan&#39;s scale to match how actual loan values</span></div>
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> <span class="comment">// are stored.</span></div>
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span> <a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a> <span class="keyword">const</span> roundedTarget = <a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a>{</div>
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span> .<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a> = <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, trueTarget.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a>, scale),</div>
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"> 901</span> .principalOutstanding = <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, trueTarget.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a1f506c760e69ff48dced9856ee212ffd">principalOutstanding</a>, scale),</div>
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span> .interestDue = <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, trueTarget.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ace2969cf6a9c612aec8512c4312722e3">interestDue</a>, scale),</div>
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"> 903</span> .managementFeeDue = <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, trueTarget.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ae0ba86a40394a2d7ce4474945b724c02">managementFeeDue</a>, scale)};</div>
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"> 904</span> </div>
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span> <span class="comment">// Get the current actual loan state from the ledger values</span></div>
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span> <a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a> <span class="keyword">const</span> currentLedgerState =</div>
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> <a class="code hl_function" href="namespacexrpl.html#aeb5f98fcbd289260f4848cbf266400a4">constructLoanState</a>(totalValueOutstanding, principalOutstanding, managementFeeOutstanding);</div>
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"> 908</span> </div>
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> <span class="comment">// The difference between current and target states gives us the payment</span></div>
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> <span class="comment">// components. Any discrepancies from accumulated rounding are captured</span></div>
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span> <span class="comment">// here.</span></div>
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span> </div>
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1LoanStateDeltas.html">LoanStateDeltas</a> deltas = currentLedgerState - roundedTarget;</div>
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"> 914</span> </div>
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"> 915</span> <span class="comment">// Rounding can occasionally produce negative deltas. Zero them out.</span></div>
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span> deltas.<a class="code hl_function" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a51d176ce3ff10b6d88741410a20ae028">nonNegative</a>();</div>
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span> </div>
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"> 918</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a> &lt;= currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a1f506c760e69ff48dced9856ee212ffd">principalOutstanding</a>,</div>
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>,</div>
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> <span class="stringliteral">&quot;principal delta not greater than outstanding&quot;</span>);</div>
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span> </div>
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span> <span class="comment">// Cap each component to never exceed what&#39;s actually outstanding</span></div>
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a> = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a>(deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a>, currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a1f506c760e69ff48dced9856ee212ffd">principalOutstanding</a>);</div>
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"> 925</span> </div>
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"> 927</span> deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a> &lt;= currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ace2969cf6a9c612aec8512c4312722e3">interestDue</a>,</div>
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno"> 928</span> <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>,</div>
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"> 929</span> <span class="stringliteral">&quot;interest due delta not greater than outstanding&quot;</span>);</div>
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span> </div>
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> <span class="comment">// Cap interest to both the outstanding amount AND what&#39;s left of the</span></div>
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> <span class="comment">// periodic payment after principal is paid</span></div>
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno"> 933</span> deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a> = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a>(</div>
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno"> 934</span> {deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a>,</div>
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno"> 935</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(<a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>, roundedPeriodicPayment - deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a>),</div>
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno"> 936</span> currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ace2969cf6a9c612aec8512c4312722e3">interestDue</a>});</div>
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"> 937</span> </div>
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"> 938</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span> deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a> &lt;= currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ae0ba86a40394a2d7ce4474945b724c02">managementFeeDue</a>,</div>
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"> 940</span> <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>,</div>
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"> 941</span> <span class="stringliteral">&quot;management fee due delta not greater than outstanding&quot;</span>);</div>
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> </div>
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span> <span class="comment">// Cap management fee to both the outstanding amount AND what&#39;s left of the</span></div>
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> <span class="comment">// periodic payment after principal and interest are paid</span></div>
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"> 945</span> deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a> = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a>(</div>
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> {deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a>,</div>
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> roundedPeriodicPayment - (deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a> + deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a>),</div>
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ae0ba86a40394a2d7ce4474945b724c02">managementFeeDue</a>});</div>
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span> </div>
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> <span class="comment">// The shortage must never be negative, which indicates that the parts are</span></div>
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span> <span class="comment">// trying to take more than the whole payment. The excess can be positive,</span></div>
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span> <span class="comment">// which indicates that we&#39;re not going to take the whole payment amount,</span></div>
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> <span class="comment">// but if so, it must be small.</span></div>
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"> 954</span> <span class="keyword">auto</span> takeFrom = [](<a class="code hl_class" href="classxrpl_1_1Number.html">Number</a>&amp; component, <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a>&amp; excess) {</div>
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> <span class="keywordflow">if</span> (excess &gt; beast::zero)</div>
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> {</div>
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> <span class="keyword">auto</span> part = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a>(component, excess);</div>
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span> component -= part;</div>
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> excess -= part;</div>
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span> }</div>
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> XRPL_ASSERT_PARTS(excess &gt;= beast::zero, <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>, <span class="stringliteral">&quot;excess non-negative&quot;</span>);</div>
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> };</div>
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span> <span class="comment">// Helper to reduce deltas when they collectively exceed a limit.</span></div>
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</span> <span class="comment">// Order matters: we prefer to reduce interest first (most flexible),</span></div>
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> <span class="comment">// then management fee, then principal (least flexible).</span></div>
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</span> <span class="keyword">auto</span> addressExcess = [&amp;takeFrom](<a class="code hl_struct" href="structxrpl_1_1detail_1_1LoanStateDeltas.html">LoanStateDeltas</a>&amp; deltas, <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a>&amp; excess) {</div>
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno"> 967</span> <span class="comment">// This order is based on where errors are the least problematic</span></div>
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> takeFrom(deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a>, excess);</div>
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> takeFrom(deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a>, excess);</div>
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> takeFrom(deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a>, excess);</div>
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span> };</div>
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> </div>
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> <span class="comment">// Check if deltas exceed the total outstanding value. This should never</span></div>
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span> <span class="comment">// happen due to earlier caps, but handle it defensively.</span></div>
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> totalOverpayment = deltas.<a class="code hl_function" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a954f93333195a87448f2672f5c1e4321">total</a>() - currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a>;</div>
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span> </div>
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span> <span class="keywordflow">if</span> (totalOverpayment &gt; beast::zero)</div>
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span> {</div>
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span> UNREACHABLE(</div>
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents : payment exceeded loan &quot;</span></div>
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</span> <span class="stringliteral">&quot;state&quot;</span>);</div>
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno"> 983</span> addressExcess(deltas, totalOverpayment);</div>
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> }</div>
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</span> </div>
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> <span class="comment">// Check if deltas exceed the periodic payment amount. Reduce if needed.</span></div>
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> shortage = roundedPeriodicPayment - deltas.<a class="code hl_function" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a954f93333195a87448f2672f5c1e4321">total</a>();</div>
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> </div>
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span> <a class="code hl_function" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">isRounded</a>(asset, shortage, scale), <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>, <span class="stringliteral">&quot;shortage is rounded&quot;</span>);</div>
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span> </div>
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span> <span class="keywordflow">if</span> (shortage &lt; beast::zero)</div>
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> {</div>
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</span> <span class="comment">// Deltas exceed payment amount - reduce them proportionally</span></div>
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> excess = -shortage;</div>
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> addressExcess(deltas, excess);</div>
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno"> 998</span> shortage = -excess;</div>
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno"> 999</span> }</div>
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span> </div>
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span> <span class="comment">// At this point, shortage &gt;= 0 means we&#39;re paying less than the full</span></div>
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span> <span class="comment">// periodic payment (due to rounding or component caps).</span></div>
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span> <span class="comment">// shortage &lt; 0 would mean we&#39;re trying to pay more than allowed (bug).</span></div>
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span> XRPL_ASSERT_PARTS(shortage &gt;= beast::zero, <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>, <span class="stringliteral">&quot;no shortage or excess&quot;</span>);</div>
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> </div>
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> <span class="comment">// Final validation that all components are valid</span></div>
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> deltas.<a class="code hl_function" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a954f93333195a87448f2672f5c1e4321">total</a>() == deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a> + deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a> + deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a>,</div>
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>,</div>
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span> <span class="stringliteral">&quot;total value adds up&quot;</span>);</div>
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> </div>
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span> deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a> &gt;= beast::zero &amp;&amp; deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a> &lt;= currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a1f506c760e69ff48dced9856ee212ffd">principalOutstanding</a>,</div>
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>,</div>
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span> <span class="stringliteral">&quot;valid principal result&quot;</span>);</div>
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span> deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a> &gt;= beast::zero &amp;&amp; deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a> &lt;= currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ace2969cf6a9c612aec8512c4312722e3">interestDue</a>,</div>
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>,</div>
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span> <span class="stringliteral">&quot;valid interest result&quot;</span>);</div>
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span> deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a> &gt;= beast::zero &amp;&amp; deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a> &lt;= currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ae0ba86a40394a2d7ce4474945b724c02">managementFeeDue</a>,</div>
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>,</div>
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> <span class="stringliteral">&quot;valid fee result&quot;</span>);</div>
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> </div>
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a> + deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a> + deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a> &gt; beast::zero,</div>
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span> <span class="stringliteral">&quot;xrpl::detail::computePaymentComponents&quot;</span>,</div>
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> <span class="stringliteral">&quot;payment parts add to payment&quot;</span>);</div>
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span> </div>
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> <span class="comment">// Final safety clamp to ensure no value exceeds its outstanding balance</span></div>
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1PaymentComponents.html">PaymentComponents</a>{</div>
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span> .<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#aaf147e388219822ba1e3c385e95252c2">trackedValueDelta</a> = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/clamp.html">std::clamp</a>(deltas.<a class="code hl_function" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a954f93333195a87448f2672f5c1e4321">total</a>(), <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>, currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a>),</div>
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span> .trackedPrincipalDelta = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/clamp.html">std::clamp</a>(deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a>, <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>, currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a1f506c760e69ff48dced9856ee212ffd">principalOutstanding</a>),</div>
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span> .trackedManagementFeeDelta = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/clamp.html">std::clamp</a>(deltas.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a>, <a class="code hl_variable" href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">numZero</a>, currentLedgerState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ae0ba86a40394a2d7ce4474945b724c02">managementFeeDue</a>),</div>
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span> };</div>
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span>}</div>
</div>
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span> </div>
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span><span class="comment">/* Computes payment components for an overpayment scenario.</span></div>
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span><span class="comment"> *</span></div>
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span><span class="comment"> * An overpayment occurs when a borrower pays more than the scheduled periodic</span></div>
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span><span class="comment"> * payment amount. The overpayment is treated as extra principal reduction,</span></div>
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span><span class="comment"> * but incurs a fee and potentially a penalty interest charge.</span></div>
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span><span class="comment"> *</span></div>
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span><span class="comment"> * The calculation (Section 3.2.4.2.3 from XLS-66 spec):</span></div>
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span><span class="comment"> * 1. Calculate gross penalty interest on the overpayment amount</span></div>
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span><span class="comment"> * 2. Split the gross interest into net interest and management fee</span></div>
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span><span class="comment"> * 3. Calculate the penalty fee</span></div>
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span><span class="comment"> * 4. Determine the principal portion by subtracting the interest (gross) and</span></div>
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span><span class="comment"> * management fee from the overpayment amount</span></div>
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span><span class="comment"> *</span></div>
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span><span class="comment"> * Unlike regular payments which follow the amortization schedule, overpayments</span></div>
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span><span class="comment"> * apply to principal, reducing the loan balance and future interest costs.</span></div>
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span><span class="comment"> *</span></div>
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span><span class="comment"> * Equations (20), (21) and (22) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span><span class="comment"> */</span></div>
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span>ExtendedPaymentComponents</div>
<div class="foldopen" id="foldopen01057" data-start="{" data-end="}">
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"><a class="line" href="namespacexrpl_1_1detail.html#a3066a3a4109319b673e8db6bf09dd208"> 1057</a></span><a class="code hl_function" href="namespacexrpl_1_1detail.html#a3066a3a4109319b673e8db6bf09dd208">computeOverpaymentComponents</a>(</div>
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> <a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; asset,</div>
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> int32_t <span class="keyword">const</span> loanScale,</div>
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9">overpayment</a>,</div>
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> <span class="keyword">const</span> overpaymentInterestRate,</div>
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> <span class="keyword">const</span> overpaymentFeeRate,</div>
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips16</a> <span class="keyword">const</span> managementFeeRate)</div>
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span>{</div>
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span> XRPL_ASSERT(</div>
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9">overpayment</a> &gt; 0 &amp;&amp; <a class="code hl_function" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">isRounded</a>(asset, <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9">overpayment</a>, loanScale),</div>
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span> <span class="stringliteral">&quot;xrpl::detail::computeOverpaymentComponents : valid overpayment &quot;</span></div>
<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span> <span class="stringliteral">&quot;amount&quot;</span>);</div>
<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span> </div>
<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span> <span class="comment">// First, deduct the fixed overpayment fee from the total amount.</span></div>
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span> <span class="comment">// This reduces the effective payment that will be applied to the loan.</span></div>
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span> <span class="comment">// Equation (22) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> overpaymentFee = <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, <a class="code hl_function" href="namespacexrpl.html#a3f56d997a36633a10ca0f17c86113f56">tenthBipsOfValue</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9">overpayment</a>, overpaymentFeeRate), loanScale);</div>
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span> </div>
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span> <span class="comment">// Calculate the penalty interest on the effective payment amount.</span></div>
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span> <span class="comment">// This interest doesn&#39;t follow the normal amortization schedule - it&#39;s</span></div>
<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span> <span class="comment">// a one-time charge for paying early.</span></div>
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span> <span class="comment">// Equation (20) and (21) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span> <span class="keyword">auto</span> <span class="keyword">const</span> [roundedOverpaymentInterest, roundedOverpaymentManagementFee] = [&amp;]() {</div>
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span> <span class="keyword">auto</span> <span class="keyword">const</span> interest = <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, <a class="code hl_function" href="namespacexrpl.html#a3f56d997a36633a10ca0f17c86113f56">tenthBipsOfValue</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9">overpayment</a>, overpaymentInterestRate), loanScale);</div>
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacexrpl_1_1detail.html#a74526fc90ae53e8e61d94db5bf7327e9">detail::computeInterestAndFeeParts</a>(asset, interest, managementFeeRate, loanScale);</div>
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span> }();</div>
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> </div>
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span> <span class="keyword">auto</span> <span class="keyword">const</span> result = <a class="code hl_struct" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html">detail::ExtendedPaymentComponents</a>{</div>
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span> <span class="comment">// Build the payment components, after fees and penalty</span></div>
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span> <span class="comment">// interest are deducted, the remainder goes entirely to principal</span></div>
<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span> <span class="comment">// reduction.</span></div>
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1PaymentComponents.html">detail::PaymentComponents</a>{</div>
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span> .<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#aaf147e388219822ba1e3c385e95252c2">trackedValueDelta</a> = <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9">overpayment</a> - overpaymentFee,</div>
<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span> .trackedPrincipalDelta =</div>
<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9">overpayment</a> - roundedOverpaymentInterest - roundedOverpaymentManagementFee - overpaymentFee,</div>
<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span> .trackedManagementFeeDelta = roundedOverpaymentManagementFee,</div>
<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span> .specialCase = <a class="code hl_enumvalue" href="namespacexrpl_1_1detail.html#a230ef83732e01df4f26a546cfadcbab0aea9f91b2cda019730f2891bd12a7a4d6">detail::PaymentSpecialCase::extra</a>},</div>
<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span> <span class="comment">// Untracked management fee is the fixed overpayment fee</span></div>
<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span> overpaymentFee,</div>
<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span> <span class="comment">// Untracked interest is the penalty interest charged for overpaying.</span></div>
<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span> <span class="comment">// This is positive, representing a one-time cost, but it&#39;s typically</span></div>
<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span> <span class="comment">// much smaller than the interest savings from reducing principal.</span></div>
<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span> <span class="comment">// It is equal to the paymentComponents.trackedInterestPart()</span></div>
<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span> <span class="comment">// but is kept separate for clarity.</span></div>
<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span> roundedOverpaymentInterest};</div>
<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span> result.trackedInterestPart() == roundedOverpaymentInterest,</div>
<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span> <span class="stringliteral">&quot;xrpl::detail::computeOverpaymentComponents&quot;</span>,</div>
<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span> <span class="stringliteral">&quot;valid interest computation&quot;</span>);</div>
<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span>}</div>
</div>
<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span> </div>
<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span>} <span class="comment">// namespace detail</span></div>
<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span> </div>
<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span>detail::LoanStateDeltas</div>
<div class="foldopen" id="foldopen01112" data-start="{" data-end="}">
<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"><a class="line" href="namespacexrpl.html#afd4c25d46d1e69a77e622278e37fb006"> 1112</a></span><a class="code hl_function" href="namespacexrpl.html#a341da9ace25260efeda15c921f1dbf90">operator-</a>(<a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a> <span class="keyword">const</span>&amp; lhs, <a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a> <span class="keyword">const</span>&amp; rhs)</div>
<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span>{</div>
<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1LoanStateDeltas.html">detail::LoanStateDeltas</a> result{</div>
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"> 1115</span> .<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a> = lhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a1f506c760e69ff48dced9856ee212ffd">principalOutstanding</a> - rhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a1f506c760e69ff48dced9856ee212ffd">principalOutstanding</a>,</div>
<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span> .interest = lhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ace2969cf6a9c612aec8512c4312722e3">interestDue</a> - rhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ace2969cf6a9c612aec8512c4312722e3">interestDue</a>,</div>
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span> .managementFee = lhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ae0ba86a40394a2d7ce4474945b724c02">managementFeeDue</a> - rhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ae0ba86a40394a2d7ce4474945b724c02">managementFeeDue</a>,</div>
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span> };</div>
<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span> </div>
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span>}</div>
</div>
<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> </div>
<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span>LoanState</div>
<div class="foldopen" id="foldopen01124" data-start="{" data-end="}">
<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a0972eb2a7b4f95dc7bb69c5b169ff7f4"> 1124</a></span><a class="code hl_function" href="namespacexrpl.html#a341da9ace25260efeda15c921f1dbf90">operator-</a>(<a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a> <span class="keyword">const</span>&amp; lhs, <a class="code hl_struct" href="structxrpl_1_1detail_1_1LoanStateDeltas.html">detail::LoanStateDeltas</a> <span class="keyword">const</span>&amp; rhs)</div>
<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span>{</div>
<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span> <a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a> result{</div>
<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span> .<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a> = lhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a> - rhs.<a class="code hl_function" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a954f93333195a87448f2672f5c1e4321">total</a>(),</div>
<div class="line"><a id="l01128" name="l01128"></a><span class="lineno"> 1128</span> .principalOutstanding = lhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a1f506c760e69ff48dced9856ee212ffd">principalOutstanding</a> - rhs.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a>,</div>
<div class="line"><a id="l01129" name="l01129"></a><span class="lineno"> 1129</span> .interestDue = lhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ace2969cf6a9c612aec8512c4312722e3">interestDue</a> - rhs.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a>,</div>
<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span> .managementFeeDue = lhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ae0ba86a40394a2d7ce4474945b724c02">managementFeeDue</a> - rhs.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a>,</div>
<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span> };</div>
<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span> </div>
<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span>}</div>
</div>
<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</span> </div>
<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span>LoanState</div>
<div class="foldopen" id="foldopen01137" data-start="{" data-end="}">
<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a1c3de39e4d0e22afe0621f0f0bf9628c"> 1137</a></span><a class="code hl_function" href="namespacexrpl.html#a2ad07fee9dccb808b0ea4d63c933b138">operator+</a>(<a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a> <span class="keyword">const</span>&amp; lhs, <a class="code hl_struct" href="structxrpl_1_1detail_1_1LoanStateDeltas.html">detail::LoanStateDeltas</a> <span class="keyword">const</span>&amp; rhs)</div>
<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span>{</div>
<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span> <a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a> result{</div>
<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span> .<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a> = lhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a> + rhs.<a class="code hl_function" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a954f93333195a87448f2672f5c1e4321">total</a>(),</div>
<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span> .principalOutstanding = lhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a1f506c760e69ff48dced9856ee212ffd">principalOutstanding</a> + rhs.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">principal</a>,</div>
<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span> .interestDue = lhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ace2969cf6a9c612aec8512c4312722e3">interestDue</a> + rhs.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">interest</a>,</div>
<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span> .managementFeeDue = lhs.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ae0ba86a40394a2d7ce4474945b724c02">managementFeeDue</a> + rhs.<a class="code hl_variable" href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">managementFee</a>,</div>
<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span> };</div>
<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span> </div>
<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span>}</div>
</div>
<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span> </div>
<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span><a class="code hl_typedef" href="namespacexrpl.html#a89ce254d202a943d2f5bad19d88787a5">TER</a></div>
<div class="foldopen" id="foldopen01150" data-start="{" data-end="}">
<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a7808b36d8f2224062a27cd2a84250604"> 1150</a></span><a class="code hl_function" href="namespacexrpl.html#a7808b36d8f2224062a27cd2a84250604">checkLoanGuards</a>(</div>
<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span> <a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; vaultAsset,</div>
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; principalRequested,</div>
<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span> <span class="keywordtype">bool</span> expectInterest,</div>
<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentTotal,</div>
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span> <a class="code hl_struct" href="structxrpl_1_1LoanProperties.html">LoanProperties</a> <span class="keyword">const</span>&amp; properties,</div>
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span> <a class="code hl_class" href="classbeast_1_1Journal.html">beast::Journal</a> j)</div>
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span>{</div>
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span> <span class="keyword">auto</span> <span class="keyword">const</span> totalInterestOutstanding = properties.<a class="code hl_variable" href="structxrpl_1_1LoanProperties.html#aed09020f5c670b399dc368072646008e">loanState</a>.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a> - principalRequested;</div>
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span> <span class="comment">// Guard 1: if there is no computed total interest over the life of the</span></div>
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span> <span class="comment">// loan for a non-zero interest rate, we cannot properly amortize the</span></div>
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span> <span class="comment">// loan</span></div>
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span> <span class="keywordflow">if</span> (expectInterest &amp;&amp; totalInterestOutstanding &lt;= 0)</div>
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span> {</div>
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span> <span class="comment">// Unless this is a zero-interest loan, there must be some interest</span></div>
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span> <span class="comment">// due on the loan, even if it&#39;s (measurable) dust</span></div>
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Loan for &quot;</span> &lt;&lt; principalRequested &lt;&lt; <span class="stringliteral">&quot; with interest has no interest due&quot;</span>;</div>
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556bac9a52c5d52a9c9501a3c8c37746fb509">tecPRECISION_LOSS</a>;</div>
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span> }</div>
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span> <span class="comment">// Guard 1a: If there is any interest computed over the life of the</span></div>
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span> <span class="comment">// loan, for a zero interest rate, something went sideways.</span></div>
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span> <span class="keywordflow">if</span> (!expectInterest &amp;&amp; totalInterestOutstanding &gt; 0)</div>
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span> {</div>
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Loan for &quot;</span> &lt;&lt; principalRequested &lt;&lt; <span class="stringliteral">&quot; with no interest has interest due&quot;</span>;</div>
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"> 1175</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba6869daf531ae5878c65a5095f103ce62">tecINTERNAL</a>;</div>
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span> }</div>
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</span> </div>
<div class="line"><a id="l01179" name="l01179"></a><span class="lineno"> 1179</span> <span class="comment">// Guard 2: if the principal portion of the first periodic payment is</span></div>
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span> <span class="comment">// too small to be accurately represented with the given rounding mode,</span></div>
<div class="line"><a id="l01181" name="l01181"></a><span class="lineno"> 1181</span> <span class="comment">// raise an error</span></div>
<div class="line"><a id="l01182" name="l01182"></a><span class="lineno"> 1182</span> <span class="keywordflow">if</span> (properties.<a class="code hl_variable" href="structxrpl_1_1LoanProperties.html#ad210ce21f156d44931d20e6d02578438">firstPaymentPrincipal</a> &lt;= 0)</div>
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span> {</div>
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span> <span class="comment">// Check that some true (unrounded) principal is paid each period.</span></div>
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span> <span class="comment">// Since the first payment pays the least principal, if it&#39;s good,</span></div>
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span> <span class="comment">// they&#39;ll all be good. Note that the outstanding principal is</span></div>
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span> <span class="comment">// rounded, and may not change right away.</span></div>
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Loan is unable to pay principal.&quot;</span>;</div>
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556bac9a52c5d52a9c9501a3c8c37746fb509">tecPRECISION_LOSS</a>;</div>
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span> }</div>
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span> </div>
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span> <span class="comment">// Guard 3: If the periodic payment is so small that it can&#39;t even be</span></div>
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span> <span class="comment">// rounded to a representable value, then the loan can&#39;t be paid. Also,</span></div>
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span> <span class="comment">// avoids dividing by 0.</span></div>
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span> <span class="keyword">auto</span> <span class="keyword">const</span> roundedPayment = <a class="code hl_function" href="namespacexrpl.html#ac29d2e6cda0723b2ca1f1cdc06fe3965">roundPeriodicPayment</a>(vaultAsset, properties.<a class="code hl_variable" href="structxrpl_1_1LoanProperties.html#af905edc20393faa1ed1489e7d6c2c0d4">periodicPayment</a>, properties.<a class="code hl_variable" href="structxrpl_1_1LoanProperties.html#a593af148c207da78f732bf54189e5bea">loanScale</a>);</div>
<div class="line"><a id="l01196" name="l01196"></a><span class="lineno"> 1196</span> <span class="keywordflow">if</span> (roundedPayment == beast::zero)</div>
<div class="line"><a id="l01197" name="l01197"></a><span class="lineno"> 1197</span> {</div>
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Loan Periodic payment (&quot;</span> &lt;&lt; properties.<a class="code hl_variable" href="structxrpl_1_1LoanProperties.html#af905edc20393faa1ed1489e7d6c2c0d4">periodicPayment</a> &lt;&lt; <span class="stringliteral">&quot;) rounds to 0. &quot;</span>;</div>
<div class="line"><a id="l01199" name="l01199"></a><span class="lineno"> 1199</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556bac9a52c5d52a9c9501a3c8c37746fb509">tecPRECISION_LOSS</a>;</div>
<div class="line"><a id="l01200" name="l01200"></a><span class="lineno"> 1200</span> }</div>
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span> </div>
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span> <span class="comment">// Guard 4: if the rounded periodic payment is large enough that the</span></div>
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span> <span class="comment">// loan can&#39;t be amortized in the specified number of payments, raise an</span></div>
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span> <span class="comment">// error</span></div>
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span> {</div>
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span> <a class="code hl_class" href="classxrpl_1_1NumberRoundModeGuard.html">NumberRoundModeGuard</a> mg(<a class="code hl_enumvalue" href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aaf71effcd4dcf7bc7c89bb51e27e8b17">Number::upward</a>);</div>
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span> </div>
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span> <span class="keywordflow">if</span> (<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int64_t</a> <span class="keyword">const</span> computedPayments{properties.<a class="code hl_variable" href="structxrpl_1_1LoanProperties.html#aed09020f5c670b399dc368072646008e">loanState</a>.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a> / roundedPayment};</div>
<div class="line"><a id="l01209" name="l01209"></a><span class="lineno"> 1209</span> computedPayments != paymentTotal)</div>
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span> {</div>
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Loan Periodic payment (&quot;</span> &lt;&lt; properties.<a class="code hl_variable" href="structxrpl_1_1LoanProperties.html#af905edc20393faa1ed1489e7d6c2c0d4">periodicPayment</a> &lt;&lt; <span class="stringliteral">&quot;) rounding (&quot;</span></div>
<div class="line"><a id="l01212" name="l01212"></a><span class="lineno"> 1212</span> &lt;&lt; roundedPayment &lt;&lt; <span class="stringliteral">&quot;) on a total value of &quot;</span> &lt;&lt; properties.<a class="code hl_variable" href="structxrpl_1_1LoanProperties.html#aed09020f5c670b399dc368072646008e">loanState</a>.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a></div>
<div class="line"><a id="l01213" name="l01213"></a><span class="lineno"> 1213</span> &lt;&lt; <span class="stringliteral">&quot; can not complete the loan in the specified &quot;</span></div>
<div class="line"><a id="l01214" name="l01214"></a><span class="lineno"> 1214</span> <span class="stringliteral">&quot;number of payments (&quot;</span></div>
<div class="line"><a id="l01215" name="l01215"></a><span class="lineno"> 1215</span> &lt;&lt; computedPayments &lt;&lt; <span class="stringliteral">&quot; != &quot;</span> &lt;&lt; paymentTotal &lt;&lt; <span class="stringliteral">&quot;)&quot;</span>;</div>
<div class="line"><a id="l01216" name="l01216"></a><span class="lineno"> 1216</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556bac9a52c5d52a9c9501a3c8c37746fb509">tecPRECISION_LOSS</a>;</div>
<div class="line"><a id="l01217" name="l01217"></a><span class="lineno"> 1217</span> }</div>
<div class="line"><a id="l01218" name="l01218"></a><span class="lineno"> 1218</span> }</div>
<div class="line"><a id="l01219" name="l01219"></a><span class="lineno"> 1219</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>;</div>
<div class="line"><a id="l01220" name="l01220"></a><span class="lineno"> 1220</span>}</div>
</div>
<div class="line"><a id="l01221" name="l01221"></a><span class="lineno"> 1221</span> </div>
<div class="line"><a id="l01222" name="l01222"></a><span class="lineno"> 1222</span><span class="comment">/*</span></div>
<div class="line"><a id="l01223" name="l01223"></a><span class="lineno"> 1223</span><span class="comment"> * This function calculates the full payment interest accrued since the last</span></div>
<div class="line"><a id="l01224" name="l01224"></a><span class="lineno"> 1224</span><span class="comment"> * payment, plus any prepayment penalty.</span></div>
<div class="line"><a id="l01225" name="l01225"></a><span class="lineno"> 1225</span><span class="comment"> *</span></div>
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"> 1226</span><span class="comment"> * Equations (27) and (28) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span><span class="comment"> */</span></div>
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span>Number</div>
<div class="foldopen" id="foldopen01229" data-start="{" data-end="}">
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"><a class="line" href="namespacexrpl.html#af74cf647690ab5cdb695b5edf8c75a91"> 1229</a></span><a class="code hl_function" href="namespacexrpl.html#af74cf647690ab5cdb695b5edf8c75a91">computeFullPaymentInterest</a>(</div>
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; theoreticalPrincipalOutstanding,</div>
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicRate,</div>
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">NetClock::time_point</a> parentCloseTime,</div>
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentInterval,</div>
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> prevPaymentDate,</div>
<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> startDate,</div>
<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> closeInterestRate)</div>
<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span>{</div>
<div class="line"><a id="l01238" name="l01238"></a><span class="lineno"> 1238</span> <span class="keyword">auto</span> <span class="keyword">const</span> accruedInterest = <a class="code hl_function" href="namespacexrpl_1_1detail.html#a68244c94afe5c9e0a34aed3ff10e1225">detail::loanAccruedInterest</a>(</div>
<div class="line"><a id="l01239" name="l01239"></a><span class="lineno"> 1239</span> theoreticalPrincipalOutstanding, periodicRate, parentCloseTime, startDate, prevPaymentDate, paymentInterval);</div>
<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span> XRPL_ASSERT(</div>
<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span> accruedInterest &gt;= 0,</div>
<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span> <span class="stringliteral">&quot;xrpl::detail::computeFullPaymentInterest : valid accrued &quot;</span></div>
<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span> <span class="stringliteral">&quot;interest&quot;</span>);</div>
<div class="line"><a id="l01244" name="l01244"></a><span class="lineno"> 1244</span> </div>
<div class="line"><a id="l01245" name="l01245"></a><span class="lineno"> 1245</span> <span class="comment">// Equation (28) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span> <span class="keyword">auto</span> <span class="keyword">const</span> prepaymentPenalty = closeInterestRate == beast::zero</div>
<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span> ? <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a>{}</div>
<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span> : <a class="code hl_function" href="namespacexrpl.html#a3f56d997a36633a10ca0f17c86113f56">tenthBipsOfValue</a>(theoreticalPrincipalOutstanding, closeInterestRate);</div>
<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span> </div>
<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span> XRPL_ASSERT(</div>
<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span> prepaymentPenalty &gt;= 0,</div>
<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span> <span class="stringliteral">&quot;xrpl::detail::computeFullPaymentInterest : valid prepayment &quot;</span></div>
<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span> <span class="stringliteral">&quot;interest&quot;</span>);</div>
<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span> </div>
<div class="line"><a id="l01255" name="l01255"></a><span class="lineno"> 1255</span> <span class="comment">// Part of equation (27) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01256" name="l01256"></a><span class="lineno"> 1256</span> <span class="keywordflow">return</span> accruedInterest + prepaymentPenalty;</div>
<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span>}</div>
</div>
<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span> </div>
<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span><span class="comment">/* Calculates the theoretical loan state at maximum precision for a given point</span></div>
<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</span><span class="comment"> * in the amortization schedule.</span></div>
<div class="line"><a id="l01261" name="l01261"></a><span class="lineno"> 1261</span><span class="comment"> *</span></div>
<div class="line"><a id="l01262" name="l01262"></a><span class="lineno"> 1262</span><span class="comment"> * This function computes what the loan&#39;s outstanding balances should be based</span></div>
<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"> 1263</span><span class="comment"> * on the periodic payment amount and number of payments remaining,</span></div>
<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</span><span class="comment"> * without considering any rounding that may have been applied to the actual</span></div>
<div class="line"><a id="l01265" name="l01265"></a><span class="lineno"> 1265</span><span class="comment"> * Loan object&#39;s state. This &quot;theoretical&quot; (unrounded) state is used as a target</span></div>
<div class="line"><a id="l01266" name="l01266"></a><span class="lineno"> 1266</span><span class="comment"> * for computing payment components and validating that the loan&#39;s tracked state</span></div>
<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span><span class="comment"> * hasn&#39;t drifted too far from the theoretical values.</span></div>
<div class="line"><a id="l01268" name="l01268"></a><span class="lineno"> 1268</span><span class="comment"> *</span></div>
<div class="line"><a id="l01269" name="l01269"></a><span class="lineno"> 1269</span><span class="comment"> * The theoretical state serves several purposes:</span></div>
<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"> 1270</span><span class="comment"> * 1. Computing the expected payment breakdown (principal, interest, fees)</span></div>
<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span><span class="comment"> * 2. Detecting and correcting rounding errors that accumulate over time</span></div>
<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</span><span class="comment"> * 3. Validating that overpayments are calculated correctly</span></div>
<div class="line"><a id="l01273" name="l01273"></a><span class="lineno"> 1273</span><span class="comment"> * 4. Ensuring the loan will be fully paid off at the end of its term</span></div>
<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"> 1274</span><span class="comment"> *</span></div>
<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span><span class="comment"> * If paymentRemaining is 0, returns a fully zeroed-out LoanState,</span></div>
<div class="line"><a id="l01276" name="l01276"></a><span class="lineno"> 1276</span><span class="comment"> * representing a completely paid-off loan.</span></div>
<div class="line"><a id="l01277" name="l01277"></a><span class="lineno"> 1277</span><span class="comment"> *</span></div>
<div class="line"><a id="l01278" name="l01278"></a><span class="lineno"> 1278</span><span class="comment"> * Implements the `calculate_true_loan_state` function from the XLS-66 spec</span></div>
<div class="line"><a id="l01279" name="l01279"></a><span class="lineno"> 1279</span><span class="comment"> * section 3.2.4.4 Transaction Pseudo-code</span></div>
<div class="line"><a id="l01280" name="l01280"></a><span class="lineno"> 1280</span><span class="comment"> */</span></div>
<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"> 1281</span>LoanState</div>
<div class="foldopen" id="foldopen01282" data-start="{" data-end="}">
<div class="line"><a id="l01282" name="l01282"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a5405a03459935d24ab27d4a0b9c5afc6"> 1282</a></span><a class="code hl_function" href="namespacexrpl.html#a5405a03459935d24ab27d4a0b9c5afc6">computeTheoreticalLoanState</a>(</div>
<div class="line"><a id="l01283" name="l01283"></a><span class="lineno"> 1283</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicPayment,</div>
<div class="line"><a id="l01284" name="l01284"></a><span class="lineno"> 1284</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicRate,</div>
<div class="line"><a id="l01285" name="l01285"></a><span class="lineno"> 1285</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> paymentRemaining,</div>
<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> <span class="keyword">const</span> managementFeeRate)</div>
<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"> 1287</span>{</div>
<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span> <span class="keywordflow">if</span> (paymentRemaining == 0)</div>
<div class="line"><a id="l01289" name="l01289"></a><span class="lineno"> 1289</span> {</div>
<div class="line"><a id="l01290" name="l01290"></a><span class="lineno"> 1290</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a>{.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a> = 0, .principalOutstanding = 0, .interestDue = 0, .managementFeeDue = 0};</div>
<div class="line"><a id="l01291" name="l01291"></a><span class="lineno"> 1291</span> }</div>
<div class="line"><a id="l01292" name="l01292"></a><span class="lineno"> 1292</span> </div>
<div class="line"><a id="l01293" name="l01293"></a><span class="lineno"> 1293</span> <span class="comment">// Equation (30) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01294" name="l01294"></a><span class="lineno"> 1294</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> totalValueOutstanding = periodicPayment * paymentRemaining;</div>
<div class="line"><a id="l01295" name="l01295"></a><span class="lineno"> 1295</span> </div>
<div class="line"><a id="l01296" name="l01296"></a><span class="lineno"> 1296</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> principalOutstanding =</div>
<div class="line"><a id="l01297" name="l01297"></a><span class="lineno"> 1297</span> <a class="code hl_function" href="namespacexrpl_1_1detail.html#a9cb3bfa78dfb3083bb2592e519aa1fc2">detail::loanPrincipalFromPeriodicPayment</a>(periodicPayment, periodicRate, paymentRemaining);</div>
<div class="line"><a id="l01298" name="l01298"></a><span class="lineno"> 1298</span> </div>
<div class="line"><a id="l01299" name="l01299"></a><span class="lineno"> 1299</span> <span class="comment">// Equation (31) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01300" name="l01300"></a><span class="lineno"> 1300</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> interestOutstandingGross = totalValueOutstanding - principalOutstanding;</div>
<div class="line"><a id="l01301" name="l01301"></a><span class="lineno"> 1301</span> </div>
<div class="line"><a id="l01302" name="l01302"></a><span class="lineno"> 1302</span> <span class="comment">// Equation (32) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01303" name="l01303"></a><span class="lineno"> 1303</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> managementFeeOutstanding = <a class="code hl_function" href="namespacexrpl.html#a3f56d997a36633a10ca0f17c86113f56">tenthBipsOfValue</a>(interestOutstandingGross, managementFeeRate);</div>
<div class="line"><a id="l01304" name="l01304"></a><span class="lineno"> 1304</span> </div>
<div class="line"><a id="l01305" name="l01305"></a><span class="lineno"> 1305</span> <span class="comment">// Equation (33) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01306" name="l01306"></a><span class="lineno"> 1306</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> interestOutstandingNet = interestOutstandingGross - managementFeeOutstanding;</div>
<div class="line"><a id="l01307" name="l01307"></a><span class="lineno"> 1307</span> </div>
<div class="line"><a id="l01308" name="l01308"></a><span class="lineno"> 1308</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a>{</div>
<div class="line"><a id="l01309" name="l01309"></a><span class="lineno"> 1309</span> .<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a> = totalValueOutstanding,</div>
<div class="line"><a id="l01310" name="l01310"></a><span class="lineno"> 1310</span> .principalOutstanding = principalOutstanding,</div>
<div class="line"><a id="l01311" name="l01311"></a><span class="lineno"> 1311</span> .interestDue = interestOutstandingNet,</div>
<div class="line"><a id="l01312" name="l01312"></a><span class="lineno"> 1312</span> .managementFeeDue = managementFeeOutstanding,</div>
<div class="line"><a id="l01313" name="l01313"></a><span class="lineno"> 1313</span> };</div>
<div class="line"><a id="l01314" name="l01314"></a><span class="lineno"> 1314</span>};</div>
</div>
<div class="line"><a id="l01315" name="l01315"></a><span class="lineno"> 1315</span> </div>
<div class="line"><a id="l01316" name="l01316"></a><span class="lineno"> 1316</span><span class="comment">/* Constructs a LoanState from rounded Loan ledger object values.</span></div>
<div class="line"><a id="l01317" name="l01317"></a><span class="lineno"> 1317</span><span class="comment"> *</span></div>
<div class="line"><a id="l01318" name="l01318"></a><span class="lineno"> 1318</span><span class="comment"> * This function creates a LoanState structure from the three tracked values</span></div>
<div class="line"><a id="l01319" name="l01319"></a><span class="lineno"> 1319</span><span class="comment"> * stored in a Loan ledger object. Unlike calculateTheoreticalLoanState(), which</span></div>
<div class="line"><a id="l01320" name="l01320"></a><span class="lineno"> 1320</span><span class="comment"> * computes theoretical unrounded values, this function works with values</span></div>
<div class="line"><a id="l01321" name="l01321"></a><span class="lineno"> 1321</span><span class="comment"> * that have already been rounded to the loan&#39;s scale.</span></div>
<div class="line"><a id="l01322" name="l01322"></a><span class="lineno"> 1322</span><span class="comment"> *</span></div>
<div class="line"><a id="l01323" name="l01323"></a><span class="lineno"> 1323</span><span class="comment"> * The key difference from calculateTheoreticalLoanState():</span></div>
<div class="line"><a id="l01324" name="l01324"></a><span class="lineno"> 1324</span><span class="comment"> * - calculateTheoreticalLoanState: Computes theoretical values at full</span></div>
<div class="line"><a id="l01325" name="l01325"></a><span class="lineno"> 1325</span><span class="comment"> * precision</span></div>
<div class="line"><a id="l01326" name="l01326"></a><span class="lineno"> 1326</span><span class="comment"> * - constructRoundedLoanState: Builds state from actual rounded ledger values</span></div>
<div class="line"><a id="l01327" name="l01327"></a><span class="lineno"> 1327</span><span class="comment"> *</span></div>
<div class="line"><a id="l01328" name="l01328"></a><span class="lineno"> 1328</span><span class="comment"> * The interestDue field is derived from the other three values rather than</span></div>
<div class="line"><a id="l01329" name="l01329"></a><span class="lineno"> 1329</span><span class="comment"> * stored directly, since it can be calculated as:</span></div>
<div class="line"><a id="l01330" name="l01330"></a><span class="lineno"> 1330</span><span class="comment"> * interestDue = totalValueOutstanding - principalOutstanding -</span></div>
<div class="line"><a id="l01331" name="l01331"></a><span class="lineno"> 1331</span><span class="comment"> * managementFeeOutstanding</span></div>
<div class="line"><a id="l01332" name="l01332"></a><span class="lineno"> 1332</span><span class="comment"> *</span></div>
<div class="line"><a id="l01333" name="l01333"></a><span class="lineno"> 1333</span><span class="comment"> * This ensures consistency across the codebase and prevents copy-paste errors</span></div>
<div class="line"><a id="l01334" name="l01334"></a><span class="lineno"> 1334</span><span class="comment"> * when creating LoanState objects from Loan ledger data.</span></div>
<div class="line"><a id="l01335" name="l01335"></a><span class="lineno"> 1335</span><span class="comment"> */</span></div>
<div class="line"><a id="l01336" name="l01336"></a><span class="lineno"> 1336</span>LoanState</div>
<div class="foldopen" id="foldopen01337" data-start="{" data-end="}">
<div class="line"><a id="l01337" name="l01337"></a><span class="lineno"><a class="line" href="namespacexrpl.html#aeb5f98fcbd289260f4848cbf266400a4"> 1337</a></span><a class="code hl_function" href="namespacexrpl.html#aeb5f98fcbd289260f4848cbf266400a4">constructLoanState</a>(</div>
<div class="line"><a id="l01338" name="l01338"></a><span class="lineno"> 1338</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; totalValueOutstanding,</div>
<div class="line"><a id="l01339" name="l01339"></a><span class="lineno"> 1339</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; principalOutstanding,</div>
<div class="line"><a id="l01340" name="l01340"></a><span class="lineno"> 1340</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; managementFeeOutstanding)</div>
<div class="line"><a id="l01341" name="l01341"></a><span class="lineno"> 1341</span>{</div>
<div class="line"><a id="l01342" name="l01342"></a><span class="lineno"> 1342</span> <span class="comment">// This implementation is pretty trivial, but ensures the calculations</span></div>
<div class="line"><a id="l01343" name="l01343"></a><span class="lineno"> 1343</span> <span class="comment">// are consistent everywhere, and reduces copy/paste errors.</span></div>
<div class="line"><a id="l01344" name="l01344"></a><span class="lineno"> 1344</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a>{</div>
<div class="line"><a id="l01345" name="l01345"></a><span class="lineno"> 1345</span> .<a class="code hl_variable" href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">valueOutstanding</a> = totalValueOutstanding,</div>
<div class="line"><a id="l01346" name="l01346"></a><span class="lineno"> 1346</span> .principalOutstanding = principalOutstanding,</div>
<div class="line"><a id="l01347" name="l01347"></a><span class="lineno"> 1347</span> .interestDue = totalValueOutstanding - principalOutstanding - managementFeeOutstanding,</div>
<div class="line"><a id="l01348" name="l01348"></a><span class="lineno"> 1348</span> .managementFeeDue = managementFeeOutstanding};</div>
<div class="line"><a id="l01349" name="l01349"></a><span class="lineno"> 1349</span>}</div>
</div>
<div class="line"><a id="l01350" name="l01350"></a><span class="lineno"> 1350</span> </div>
<div class="line"><a id="l01351" name="l01351"></a><span class="lineno"> 1351</span>LoanState</div>
<div class="foldopen" id="foldopen01352" data-start="{" data-end="}">
<div class="line"><a id="l01352" name="l01352"></a><span class="lineno"><a class="line" href="namespacexrpl.html#ac8b129bcfda287e4cf8286e544af7242"> 1352</a></span><a class="code hl_function" href="namespacexrpl.html#ac8b129bcfda287e4cf8286e544af7242">constructRoundedLoanState</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">SLE::const_ref</a> loan)</div>
<div class="line"><a id="l01353" name="l01353"></a><span class="lineno"> 1353</span>{</div>
<div class="line"><a id="l01354" name="l01354"></a><span class="lineno"> 1354</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacexrpl.html#aeb5f98fcbd289260f4848cbf266400a4">constructLoanState</a>(</div>
<div class="line"><a id="l01355" name="l01355"></a><span class="lineno"> 1355</span> loan-&gt;at(sfTotalValueOutstanding), loan-&gt;at(sfPrincipalOutstanding), loan-&gt;at(sfManagementFeeOutstanding));</div>
<div class="line"><a id="l01356" name="l01356"></a><span class="lineno"> 1356</span>}</div>
</div>
<div class="line"><a id="l01357" name="l01357"></a><span class="lineno"> 1357</span> </div>
<div class="line"><a id="l01358" name="l01358"></a><span class="lineno"> 1358</span><span class="comment">/*</span></div>
<div class="line"><a id="l01359" name="l01359"></a><span class="lineno"> 1359</span><span class="comment"> * This function calculates the fee owed to the broker based on the asset,</span></div>
<div class="line"><a id="l01360" name="l01360"></a><span class="lineno"> 1360</span><span class="comment"> * value, and management fee rate.</span></div>
<div class="line"><a id="l01361" name="l01361"></a><span class="lineno"> 1361</span><span class="comment"> *</span></div>
<div class="line"><a id="l01362" name="l01362"></a><span class="lineno"> 1362</span><span class="comment"> * Equation (32) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01363" name="l01363"></a><span class="lineno"> 1363</span><span class="comment"> */</span></div>
<div class="line"><a id="l01364" name="l01364"></a><span class="lineno"> 1364</span>Number</div>
<div class="foldopen" id="foldopen01365" data-start="{" data-end="}">
<div class="line"><a id="l01365" name="l01365"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a214a68fa4b462cf05138d87a9806bd06"> 1365</a></span><a class="code hl_function" href="namespacexrpl.html#a214a68fa4b462cf05138d87a9806bd06">computeManagementFee</a>(<a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; asset, <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; value, <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> managementFeeRate, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> scale)</div>
<div class="line"><a id="l01366" name="l01366"></a><span class="lineno"> 1366</span>{</div>
<div class="line"><a id="l01367" name="l01367"></a><span class="lineno"> 1367</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, <a class="code hl_function" href="namespacexrpl.html#a3f56d997a36633a10ca0f17c86113f56">tenthBipsOfValue</a>(value, managementFeeRate), scale, <a class="code hl_enumvalue" href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aefac6c5bd63a85dcee4fc69baf788d40">Number::downward</a>);</div>
<div class="line"><a id="l01368" name="l01368"></a><span class="lineno"> 1368</span>}</div>
</div>
<div class="line"><a id="l01369" name="l01369"></a><span class="lineno"> 1369</span> </div>
<div class="line"><a id="l01370" name="l01370"></a><span class="lineno"> 1370</span><span class="comment">/*</span></div>
<div class="line"><a id="l01371" name="l01371"></a><span class="lineno"> 1371</span><span class="comment"> * Given the loan parameters, compute the derived properties of the loan.</span></div>
<div class="line"><a id="l01372" name="l01372"></a><span class="lineno"> 1372</span><span class="comment"> *</span></div>
<div class="line"><a id="l01373" name="l01373"></a><span class="lineno"> 1373</span><span class="comment"> * Pulls together several formulas from the XLS-66 spec, which are noted at each</span></div>
<div class="line"><a id="l01374" name="l01374"></a><span class="lineno"> 1374</span><span class="comment"> * step, plus the concepts from 3.2.4.3 Conceptual Loan Value. They are used for</span></div>
<div class="line"><a id="l01375" name="l01375"></a><span class="lineno"> 1375</span><span class="comment"> * to check some of the conditions in 3.2.1.5 Failure Conditions for the LoanSet</span></div>
<div class="line"><a id="l01376" name="l01376"></a><span class="lineno"> 1376</span><span class="comment"> * transaction.</span></div>
<div class="line"><a id="l01377" name="l01377"></a><span class="lineno"> 1377</span><span class="comment"> */</span></div>
<div class="line"><a id="l01378" name="l01378"></a><span class="lineno"> 1378</span>LoanProperties</div>
<div class="foldopen" id="foldopen01379" data-start="{" data-end="}">
<div class="line"><a id="l01379" name="l01379"></a><span class="lineno"><a class="line" href="namespacexrpl.html#aeb1403000c2c2a5c8fa065d22f7cbcaf"> 1379</a></span><a class="code hl_function" href="namespacexrpl.html#aeb1403000c2c2a5c8fa065d22f7cbcaf">computeLoanProperties</a>(</div>
<div class="line"><a id="l01380" name="l01380"></a><span class="lineno"> 1380</span> <a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; asset,</div>
<div class="line"><a id="l01381" name="l01381"></a><span class="lineno"> 1381</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; principalOutstanding,</div>
<div class="line"><a id="l01382" name="l01382"></a><span class="lineno"> 1382</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> interestRate,</div>
<div class="line"><a id="l01383" name="l01383"></a><span class="lineno"> 1383</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentInterval,</div>
<div class="line"><a id="l01384" name="l01384"></a><span class="lineno"> 1384</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentsRemaining,</div>
<div class="line"><a id="l01385" name="l01385"></a><span class="lineno"> 1385</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> managementFeeRate,</div>
<div class="line"><a id="l01386" name="l01386"></a><span class="lineno"> 1386</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> minimumScale)</div>
<div class="line"><a id="l01387" name="l01387"></a><span class="lineno"> 1387</span>{</div>
<div class="line"><a id="l01388" name="l01388"></a><span class="lineno"> 1388</span> <span class="keyword">auto</span> <span class="keyword">const</span> periodicRate = <a class="code hl_function" href="namespacexrpl.html#a0ff65dbec299f5ffe3cc3e46822b54b1">loanPeriodicRate</a>(interestRate, paymentInterval);</div>
<div class="line"><a id="l01389" name="l01389"></a><span class="lineno"> 1389</span> XRPL_ASSERT(interestRate == 0 || periodicRate &gt; 0, <span class="stringliteral">&quot;xrpl::computeLoanProperties : valid rate&quot;</span>);</div>
<div class="line"><a id="l01390" name="l01390"></a><span class="lineno"> 1390</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacexrpl.html#aeb1403000c2c2a5c8fa065d22f7cbcaf">computeLoanProperties</a>(</div>
<div class="line"><a id="l01391" name="l01391"></a><span class="lineno"> 1391</span> asset, principalOutstanding, periodicRate, paymentsRemaining, managementFeeRate, minimumScale);</div>
<div class="line"><a id="l01392" name="l01392"></a><span class="lineno"> 1392</span>}</div>
</div>
<div class="line"><a id="l01393" name="l01393"></a><span class="lineno"> 1393</span> </div>
<div class="line"><a id="l01394" name="l01394"></a><span class="lineno"> 1394</span><span class="comment">/*</span></div>
<div class="line"><a id="l01395" name="l01395"></a><span class="lineno"> 1395</span><span class="comment"> * Given the loan parameters, compute the derived properties of the loan.</span></div>
<div class="line"><a id="l01396" name="l01396"></a><span class="lineno"> 1396</span><span class="comment"> *</span></div>
<div class="line"><a id="l01397" name="l01397"></a><span class="lineno"> 1397</span><span class="comment"> * Pulls together several formulas from the XLS-66 spec, which are noted at each</span></div>
<div class="line"><a id="l01398" name="l01398"></a><span class="lineno"> 1398</span><span class="comment"> * step, plus the concepts from 3.2.4.3 Conceptual Loan Value. They are used for</span></div>
<div class="line"><a id="l01399" name="l01399"></a><span class="lineno"> 1399</span><span class="comment"> * to check some of the conditions in 3.2.1.5 Failure Conditions for the LoanSet</span></div>
<div class="line"><a id="l01400" name="l01400"></a><span class="lineno"> 1400</span><span class="comment"> * transaction.</span></div>
<div class="line"><a id="l01401" name="l01401"></a><span class="lineno"> 1401</span><span class="comment"> */</span></div>
<div class="line"><a id="l01402" name="l01402"></a><span class="lineno"> 1402</span>LoanProperties</div>
<div class="foldopen" id="foldopen01403" data-start="{" data-end="}">
<div class="line"><a id="l01403" name="l01403"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a4cbb7d30e86d8a2a0d4b0ca2ddc717be"> 1403</a></span><a class="code hl_function" href="namespacexrpl.html#aeb1403000c2c2a5c8fa065d22f7cbcaf">computeLoanProperties</a>(</div>
<div class="line"><a id="l01404" name="l01404"></a><span class="lineno"> 1404</span> <a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; asset,</div>
<div class="line"><a id="l01405" name="l01405"></a><span class="lineno"> 1405</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; principalOutstanding,</div>
<div class="line"><a id="l01406" name="l01406"></a><span class="lineno"> 1406</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span>&amp; periodicRate,</div>
<div class="line"><a id="l01407" name="l01407"></a><span class="lineno"> 1407</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> paymentsRemaining,</div>
<div class="line"><a id="l01408" name="l01408"></a><span class="lineno"> 1408</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> managementFeeRate,</div>
<div class="line"><a id="l01409" name="l01409"></a><span class="lineno"> 1409</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> minimumScale)</div>
<div class="line"><a id="l01410" name="l01410"></a><span class="lineno"> 1410</span>{</div>
<div class="line"><a id="l01411" name="l01411"></a><span class="lineno"> 1411</span> <span class="keyword">auto</span> <span class="keyword">const</span> periodicPayment = <a class="code hl_function" href="namespacexrpl_1_1detail.html#a27ec776a76adbf24c9977eff5f9fdfe6">detail::loanPeriodicPayment</a>(principalOutstanding, periodicRate, paymentsRemaining);</div>
<div class="line"><a id="l01412" name="l01412"></a><span class="lineno"> 1412</span> </div>
<div class="line"><a id="l01413" name="l01413"></a><span class="lineno"> 1413</span> <span class="keyword">auto</span> <span class="keyword">const</span> [totalValueOutstanding, loanScale] = [&amp;]() {</div>
<div class="line"><a id="l01414" name="l01414"></a><span class="lineno"> 1414</span> <span class="comment">// only round up if there should be interest</span></div>
<div class="line"><a id="l01415" name="l01415"></a><span class="lineno"> 1415</span> <a class="code hl_class" href="classxrpl_1_1NumberRoundModeGuard.html">NumberRoundModeGuard</a> mg(periodicRate == 0 ? <a class="code hl_enumvalue" href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aa1683b7e2939668142366896b111931a">Number::to_nearest</a> : <a class="code hl_enumvalue" href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aaf71effcd4dcf7bc7c89bb51e27e8b17">Number::upward</a>);</div>
<div class="line"><a id="l01416" name="l01416"></a><span class="lineno"> 1416</span> <span class="comment">// Use STAmount&#39;s internal rounding instead of roundToAsset, because</span></div>
<div class="line"><a id="l01417" name="l01417"></a><span class="lineno"> 1417</span> <span class="comment">// we&#39;re going to use this result to determine the scale for all the</span></div>
<div class="line"><a id="l01418" name="l01418"></a><span class="lineno"> 1418</span> <span class="comment">// other rounding.</span></div>
<div class="line"><a id="l01419" name="l01419"></a><span class="lineno"> 1419</span> </div>
<div class="line"><a id="l01420" name="l01420"></a><span class="lineno"> 1420</span> <span class="comment">// Equation (30) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01421" name="l01421"></a><span class="lineno"> 1421</span> <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a> amount{asset, periodicPayment * paymentsRemaining};</div>
<div class="line"><a id="l01422" name="l01422"></a><span class="lineno"> 1422</span> </div>
<div class="line"><a id="l01423" name="l01423"></a><span class="lineno"> 1423</span> <span class="comment">// Base the loan scale on the total value, since that&#39;s going to be</span></div>
<div class="line"><a id="l01424" name="l01424"></a><span class="lineno"> 1424</span> <span class="comment">// the biggest number involved (barring unusual parameters for late,</span></div>
<div class="line"><a id="l01425" name="l01425"></a><span class="lineno"> 1425</span> <span class="comment">// full, or over payments)</span></div>
<div class="line"><a id="l01426" name="l01426"></a><span class="lineno"> 1426</span> <span class="keyword">auto</span> <span class="keyword">const</span> loanScale = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(minimumScale, amount.exponent());</div>
<div class="line"><a id="l01427" name="l01427"></a><span class="lineno"> 1427</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l01428" name="l01428"></a><span class="lineno"> 1428</span> (amount.integral() &amp;&amp; loanScale == 0) ||</div>
<div class="line"><a id="l01429" name="l01429"></a><span class="lineno"> 1429</span> (!amount.integral() &amp;&amp; loanScale &gt;= <span class="keyword">static_cast&lt;</span><a class="code hl_class" href="classxrpl_1_1Number.html">Number</a><span class="keyword">&gt;</span>(amount).<a class="code hl_function" href="classxrpl_1_1Number.html#aa4058fefe18f86063240cfd2ba985358">exponent</a>()),</div>
<div class="line"><a id="l01430" name="l01430"></a><span class="lineno"> 1430</span> <span class="stringliteral">&quot;xrpl::computeLoanProperties&quot;</span>,</div>
<div class="line"><a id="l01431" name="l01431"></a><span class="lineno"> 1431</span> <span class="stringliteral">&quot;loanScale value fits expectations&quot;</span>);</div>
<div class="line"><a id="l01432" name="l01432"></a><span class="lineno"> 1432</span> </div>
<div class="line"><a id="l01433" name="l01433"></a><span class="lineno"> 1433</span> <span class="comment">// We may need to truncate the total value because of the minimum</span></div>
<div class="line"><a id="l01434" name="l01434"></a><span class="lineno"> 1434</span> <span class="comment">// scale</span></div>
<div class="line"><a id="l01435" name="l01435"></a><span class="lineno"> 1435</span> amount = <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, amount, loanScale);</div>
<div class="line"><a id="l01436" name="l01436"></a><span class="lineno"> 1436</span> </div>
<div class="line"><a id="l01437" name="l01437"></a><span class="lineno"> 1437</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/pair/make_pair.html">std::make_pair</a>(amount, loanScale);</div>
<div class="line"><a id="l01438" name="l01438"></a><span class="lineno"> 1438</span> }();</div>
<div class="line"><a id="l01439" name="l01439"></a><span class="lineno"> 1439</span> </div>
<div class="line"><a id="l01440" name="l01440"></a><span class="lineno"> 1440</span> <span class="comment">// Since we just figured out the loan scale, we haven&#39;t been able to</span></div>
<div class="line"><a id="l01441" name="l01441"></a><span class="lineno"> 1441</span> <span class="comment">// validate that the principal fits in it, so to allow this function to</span></div>
<div class="line"><a id="l01442" name="l01442"></a><span class="lineno"> 1442</span> <span class="comment">// succeed, round it here, and let the caller do the validation.</span></div>
<div class="line"><a id="l01443" name="l01443"></a><span class="lineno"> 1443</span> <span class="keyword">auto</span> <span class="keyword">const</span> roundedPrincipalOutstanding = <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, principalOutstanding, loanScale, <a class="code hl_enumvalue" href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aa1683b7e2939668142366896b111931a">Number::to_nearest</a>);</div>
<div class="line"><a id="l01444" name="l01444"></a><span class="lineno"> 1444</span> </div>
<div class="line"><a id="l01445" name="l01445"></a><span class="lineno"> 1445</span> <span class="comment">// Equation (31) from XLS-66 spec, Section A-2 Equation Glossary</span></div>
<div class="line"><a id="l01446" name="l01446"></a><span class="lineno"> 1446</span> <span class="keyword">auto</span> <span class="keyword">const</span> totalInterestOutstanding = totalValueOutstanding - roundedPrincipalOutstanding;</div>
<div class="line"><a id="l01447" name="l01447"></a><span class="lineno"> 1447</span> <span class="keyword">auto</span> <span class="keyword">const</span> feeOwedToBroker = <a class="code hl_function" href="namespacexrpl.html#a214a68fa4b462cf05138d87a9806bd06">computeManagementFee</a>(asset, totalInterestOutstanding, managementFeeRate, loanScale);</div>
<div class="line"><a id="l01448" name="l01448"></a><span class="lineno"> 1448</span> </div>
<div class="line"><a id="l01449" name="l01449"></a><span class="lineno"> 1449</span> <span class="comment">// Compute the principal part of the first payment. This is needed</span></div>
<div class="line"><a id="l01450" name="l01450"></a><span class="lineno"> 1450</span> <span class="comment">// because the principal part may be rounded down to zero, which</span></div>
<div class="line"><a id="l01451" name="l01451"></a><span class="lineno"> 1451</span> <span class="comment">// would prevent the principal from ever being paid down.</span></div>
<div class="line"><a id="l01452" name="l01452"></a><span class="lineno"> 1452</span> <span class="keyword">auto</span> <span class="keyword">const</span> firstPaymentPrincipal = [&amp;]() {</div>
<div class="line"><a id="l01453" name="l01453"></a><span class="lineno"> 1453</span> <span class="comment">// Compute the parts for the first payment. Ensure that the</span></div>
<div class="line"><a id="l01454" name="l01454"></a><span class="lineno"> 1454</span> <span class="comment">// principal payment will actually change the principal.</span></div>
<div class="line"><a id="l01455" name="l01455"></a><span class="lineno"> 1455</span> <span class="keyword">auto</span> <span class="keyword">const</span> startingState =</div>
<div class="line"><a id="l01456" name="l01456"></a><span class="lineno"> 1456</span> <a class="code hl_function" href="namespacexrpl.html#a5405a03459935d24ab27d4a0b9c5afc6">computeTheoreticalLoanState</a>(periodicPayment, periodicRate, paymentsRemaining, managementFeeRate);</div>
<div class="line"><a id="l01457" name="l01457"></a><span class="lineno"> 1457</span> </div>
<div class="line"><a id="l01458" name="l01458"></a><span class="lineno"> 1458</span> <span class="keyword">auto</span> <span class="keyword">const</span> firstPaymentState =</div>
<div class="line"><a id="l01459" name="l01459"></a><span class="lineno"> 1459</span> <a class="code hl_function" href="namespacexrpl.html#a5405a03459935d24ab27d4a0b9c5afc6">computeTheoreticalLoanState</a>(periodicPayment, periodicRate, paymentsRemaining - 1, managementFeeRate);</div>
<div class="line"><a id="l01460" name="l01460"></a><span class="lineno"> 1460</span> </div>
<div class="line"><a id="l01461" name="l01461"></a><span class="lineno"> 1461</span> <span class="comment">// The unrounded principal part needs to be large enough to affect</span></div>
<div class="line"><a id="l01462" name="l01462"></a><span class="lineno"> 1462</span> <span class="comment">// the principal. What to do if not is left to the caller</span></div>
<div class="line"><a id="l01463" name="l01463"></a><span class="lineno"> 1463</span> <span class="keywordflow">return</span> startingState.principalOutstanding - firstPaymentState.principalOutstanding;</div>
<div class="line"><a id="l01464" name="l01464"></a><span class="lineno"> 1464</span> }();</div>
<div class="line"><a id="l01465" name="l01465"></a><span class="lineno"> 1465</span> </div>
<div class="line"><a id="l01466" name="l01466"></a><span class="lineno"> 1466</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structxrpl_1_1LoanProperties.html">LoanProperties</a>{</div>
<div class="line"><a id="l01467" name="l01467"></a><span class="lineno"> 1467</span> .<a class="code hl_variable" href="structxrpl_1_1LoanProperties.html#af905edc20393faa1ed1489e7d6c2c0d4">periodicPayment</a> = periodicPayment,</div>
<div class="line"><a id="l01468" name="l01468"></a><span class="lineno"> 1468</span> .loanState = <a class="code hl_function" href="namespacexrpl.html#aeb5f98fcbd289260f4848cbf266400a4">constructLoanState</a>(totalValueOutstanding, roundedPrincipalOutstanding, feeOwedToBroker),</div>
<div class="line"><a id="l01469" name="l01469"></a><span class="lineno"> 1469</span> .loanScale = loanScale,</div>
<div class="line"><a id="l01470" name="l01470"></a><span class="lineno"> 1470</span> .firstPaymentPrincipal = firstPaymentPrincipal,</div>
<div class="line"><a id="l01471" name="l01471"></a><span class="lineno"> 1471</span> };</div>
<div class="line"><a id="l01472" name="l01472"></a><span class="lineno"> 1472</span>}</div>
</div>
<div class="line"><a id="l01473" name="l01473"></a><span class="lineno"> 1473</span> </div>
<div class="line"><a id="l01474" name="l01474"></a><span class="lineno"> 1474</span><span class="comment">/*</span></div>
<div class="line"><a id="l01475" name="l01475"></a><span class="lineno"> 1475</span><span class="comment"> * This is the main function to make a loan payment.</span></div>
<div class="line"><a id="l01476" name="l01476"></a><span class="lineno"> 1476</span><span class="comment"> * This function handles regular, late, full, and overpayments.</span></div>
<div class="line"><a id="l01477" name="l01477"></a><span class="lineno"> 1477</span><span class="comment"> * It is an implementation of the make_payment function from the XLS-66</span></div>
<div class="line"><a id="l01478" name="l01478"></a><span class="lineno"> 1478</span><span class="comment"> * spec. Section 3.2.4.4</span></div>
<div class="line"><a id="l01479" name="l01479"></a><span class="lineno"> 1479</span><span class="comment"> */</span></div>
<div class="line"><a id="l01480" name="l01480"></a><span class="lineno"> 1480</span>Expected&lt;LoanPaymentParts, TER&gt;</div>
<div class="foldopen" id="foldopen01481" data-start="{" data-end="}">
<div class="line"><a id="l01481" name="l01481"></a><span class="lineno"><a class="line" href="namespacexrpl.html#aaf7b8008f440919861328f902c97dbdf"> 1481</a></span><a class="code hl_function" href="namespacexrpl.html#aaf7b8008f440919861328f902c97dbdf">loanMakePayment</a>(</div>
<div class="line"><a id="l01482" name="l01482"></a><span class="lineno"> 1482</span> <a class="code hl_class" href="classxrpl_1_1Asset.html">Asset</a> <span class="keyword">const</span>&amp; asset,</div>
<div class="line"><a id="l01483" name="l01483"></a><span class="lineno"> 1483</span> <a class="code hl_class" href="classxrpl_1_1ApplyView.html">ApplyView</a>&amp; view,</div>
<div class="line"><a id="l01484" name="l01484"></a><span class="lineno"> 1484</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">SLE::ref</a> loan,</div>
<div class="line"><a id="l01485" name="l01485"></a><span class="lineno"> 1485</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">SLE::const_ref</a> brokerSle,</div>
<div class="line"><a id="l01486" name="l01486"></a><span class="lineno"> 1486</span> <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a> <span class="keyword">const</span>&amp; amount,</div>
<div class="line"><a id="l01487" name="l01487"></a><span class="lineno"> 1487</span> <a class="code hl_enumeration" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6c">LoanPaymentType</a> <span class="keyword">const</span> paymentType,</div>
<div class="line"><a id="l01488" name="l01488"></a><span class="lineno"> 1488</span> <a class="code hl_class" href="classbeast_1_1Journal.html">beast::Journal</a> j)</div>
<div class="line"><a id="l01489" name="l01489"></a><span class="lineno"> 1489</span>{</div>
<div class="line"><a id="l01490" name="l01490"></a><span class="lineno"> 1490</span> <span class="keyword">using namespace </span>Lending;</div>
<div class="line"><a id="l01491" name="l01491"></a><span class="lineno"> 1491</span> </div>
<div class="line"><a id="l01492" name="l01492"></a><span class="lineno"> 1492</span> <span class="keyword">auto</span> principalOutstandingProxy = loan-&gt;at(sfPrincipalOutstanding);</div>
<div class="line"><a id="l01493" name="l01493"></a><span class="lineno"> 1493</span> <span class="keyword">auto</span> paymentRemainingProxy = loan-&gt;at(sfPaymentRemaining);</div>
<div class="line"><a id="l01494" name="l01494"></a><span class="lineno"> 1494</span> </div>
<div class="line"><a id="l01495" name="l01495"></a><span class="lineno"> 1495</span> <span class="keywordflow">if</span> (paymentRemainingProxy == 0 || principalOutstandingProxy == 0)</div>
<div class="line"><a id="l01496" name="l01496"></a><span class="lineno"> 1496</span> {</div>
<div class="line"><a id="l01497" name="l01497"></a><span class="lineno"> 1497</span> <span class="comment">// Loan complete this is already checked in LoanPay::preclaim()</span></div>
<div class="line"><a id="l01498" name="l01498"></a><span class="lineno"> 1498</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l01499" name="l01499"></a><span class="lineno"> 1499</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Loan is already paid off.&quot;</span>;</div>
<div class="line"><a id="l01500" name="l01500"></a><span class="lineno"> 1500</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556bad7d421519cd6967c3f800367554f8391">tecKILLED</a>);</div>
<div class="line"><a id="l01501" name="l01501"></a><span class="lineno"> 1501</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l01502" name="l01502"></a><span class="lineno"> 1502</span> }</div>
<div class="line"><a id="l01503" name="l01503"></a><span class="lineno"> 1503</span> </div>
<div class="line"><a id="l01504" name="l01504"></a><span class="lineno"> 1504</span> <span class="keyword">auto</span> totalValueOutstandingProxy = loan-&gt;at(sfTotalValueOutstanding);</div>
<div class="line"><a id="l01505" name="l01505"></a><span class="lineno"> 1505</span> <span class="keyword">auto</span> managementFeeOutstandingProxy = loan-&gt;at(sfManagementFeeOutstanding);</div>
<div class="line"><a id="l01506" name="l01506"></a><span class="lineno"> 1506</span> </div>
<div class="line"><a id="l01507" name="l01507"></a><span class="lineno"> 1507</span> <span class="comment">// Next payment due date must be set unless the loan is complete</span></div>
<div class="line"><a id="l01508" name="l01508"></a><span class="lineno"> 1508</span> <span class="keyword">auto</span> nextDueDateProxy = loan-&gt;at(sfNextPaymentDueDate);</div>
<div class="line"><a id="l01509" name="l01509"></a><span class="lineno"> 1509</span> <span class="keywordflow">if</span> (*nextDueDateProxy == 0)</div>
<div class="line"><a id="l01510" name="l01510"></a><span class="lineno"> 1510</span> {</div>
<div class="line"><a id="l01511" name="l01511"></a><span class="lineno"> 1511</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Loan next payment due date is not set.&quot;</span>;</div>
<div class="line"><a id="l01512" name="l01512"></a><span class="lineno"> 1512</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba6869daf531ae5878c65a5095f103ce62">tecINTERNAL</a>);</div>
<div class="line"><a id="l01513" name="l01513"></a><span class="lineno"> 1513</span> }</div>
<div class="line"><a id="l01514" name="l01514"></a><span class="lineno"> 1514</span> </div>
<div class="line"><a id="l01515" name="l01515"></a><span class="lineno"> 1515</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> <span class="keyword">const</span> loanScale = loan-&gt;at(sfLoanScale);</div>
<div class="line"><a id="l01516" name="l01516"></a><span class="lineno"> 1516</span> </div>
<div class="line"><a id="l01517" name="l01517"></a><span class="lineno"> 1517</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> <span class="keyword">const</span> interestRate{loan-&gt;at(sfInterestRate)};</div>
<div class="line"><a id="l01518" name="l01518"></a><span class="lineno"> 1518</span> </div>
<div class="line"><a id="l01519" name="l01519"></a><span class="lineno"> 1519</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> serviceFee = loan-&gt;at(sfLoanServiceFee);</div>
<div class="line"><a id="l01520" name="l01520"></a><span class="lineno"> 1520</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips16</a> <span class="keyword">const</span> managementFeeRate{brokerSle-&gt;at(sfManagementFeeRate)};</div>
<div class="line"><a id="l01521" name="l01521"></a><span class="lineno"> 1521</span> </div>
<div class="line"><a id="l01522" name="l01522"></a><span class="lineno"> 1522</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> periodicPayment = loan-&gt;at(sfPeriodicPayment);</div>
<div class="line"><a id="l01523" name="l01523"></a><span class="lineno"> 1523</span> </div>
<div class="line"><a id="l01524" name="l01524"></a><span class="lineno"> 1524</span> <span class="keyword">auto</span> prevPaymentDateProxy = loan-&gt;at(sfPreviousPaymentDueDate);</div>
<div class="line"><a id="l01525" name="l01525"></a><span class="lineno"> 1525</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> startDate = loan-&gt;at(sfStartDate);</div>
<div class="line"><a id="l01526" name="l01526"></a><span class="lineno"> 1526</span> </div>
<div class="line"><a id="l01527" name="l01527"></a><span class="lineno"> 1527</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> paymentInterval = loan-&gt;at(sfPaymentInterval);</div>
<div class="line"><a id="l01528" name="l01528"></a><span class="lineno"> 1528</span> </div>
<div class="line"><a id="l01529" name="l01529"></a><span class="lineno"> 1529</span> <span class="comment">// Compute the periodic rate that will be used for calculations</span></div>
<div class="line"><a id="l01530" name="l01530"></a><span class="lineno"> 1530</span> <span class="comment">// throughout</span></div>
<div class="line"><a id="l01531" name="l01531"></a><span class="lineno"> 1531</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> periodicRate = <a class="code hl_function" href="namespacexrpl.html#a0ff65dbec299f5ffe3cc3e46822b54b1">loanPeriodicRate</a>(interestRate, paymentInterval);</div>
<div class="line"><a id="l01532" name="l01532"></a><span class="lineno"> 1532</span> XRPL_ASSERT(interestRate == 0 || periodicRate &gt; 0, <span class="stringliteral">&quot;xrpl::loanMakePayment : valid rate&quot;</span>);</div>
<div class="line"><a id="l01533" name="l01533"></a><span class="lineno"> 1533</span> </div>
<div class="line"><a id="l01534" name="l01534"></a><span class="lineno"> 1534</span> XRPL_ASSERT(*totalValueOutstandingProxy &gt; 0, <span class="stringliteral">&quot;xrpl::loanMakePayment : valid total value&quot;</span>);</div>
<div class="line"><a id="l01535" name="l01535"></a><span class="lineno"> 1535</span> </div>
<div class="line"><a id="l01536" name="l01536"></a><span class="lineno"> 1536</span> view.<a class="code hl_function" href="classxrpl_1_1ApplyView.html#a1c494e32b7dfe50416045d749ba4f560">update</a>(loan);</div>
<div class="line"><a id="l01537" name="l01537"></a><span class="lineno"> 1537</span> </div>
<div class="line"><a id="l01538" name="l01538"></a><span class="lineno"> 1538</span> <span class="comment">// -------------------------------------------------------------</span></div>
<div class="line"><a id="l01539" name="l01539"></a><span class="lineno"> 1539</span> <span class="comment">// A late payment not flagged as late overrides all other options.</span></div>
<div class="line"><a id="l01540" name="l01540"></a><span class="lineno"> 1540</span> <span class="keywordflow">if</span> (paymentType != <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6caf2c67381db28fa11c59fe7a6df0f2587">LoanPaymentType::late</a> &amp;&amp; <a class="code hl_function" href="namespacexrpl.html#a40c90ebb8451681b42b277806fe0b9f4">hasExpired</a>(view, nextDueDateProxy))</div>
<div class="line"><a id="l01541" name="l01541"></a><span class="lineno"> 1541</span> {</div>
<div class="line"><a id="l01542" name="l01542"></a><span class="lineno"> 1542</span> <span class="comment">// If the payment is late, and the late flag was not set, it&#39;s not</span></div>
<div class="line"><a id="l01543" name="l01543"></a><span class="lineno"> 1543</span> <span class="comment">// valid</span></div>
<div class="line"><a id="l01544" name="l01544"></a><span class="lineno"> 1544</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Loan payment is overdue. Use the tfLoanLatePayment &quot;</span></div>
<div class="line"><a id="l01545" name="l01545"></a><span class="lineno"> 1545</span> <span class="stringliteral">&quot;transaction &quot;</span></div>
<div class="line"><a id="l01546" name="l01546"></a><span class="lineno"> 1546</span> <span class="stringliteral">&quot;flag to make a late payment. Loan was created on &quot;</span></div>
<div class="line"><a id="l01547" name="l01547"></a><span class="lineno"> 1547</span> &lt;&lt; startDate &lt;&lt; <span class="stringliteral">&quot;, prev payment due date is &quot;</span> &lt;&lt; prevPaymentDateProxy</div>
<div class="line"><a id="l01548" name="l01548"></a><span class="lineno"> 1548</span> &lt;&lt; <span class="stringliteral">&quot;, next payment due date is &quot;</span> &lt;&lt; nextDueDateProxy &lt;&lt; <span class="stringliteral">&quot;, ledger time is &quot;</span></div>
<div class="line"><a id="l01549" name="l01549"></a><span class="lineno"> 1549</span> &lt;&lt; view.<a class="code hl_function" href="classxrpl_1_1ReadView.html#a0796f54cc244f05d8d97e0cbd9f53efe">parentCloseTime</a>().<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/chrono/time_point/time_since_epoch.html">time_since_epoch</a>().count();</div>
<div class="line"><a id="l01550" name="l01550"></a><span class="lineno"> 1550</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba918da89b83f3c6bee3153574bd6e718a">tecEXPIRED</a>);</div>
<div class="line"><a id="l01551" name="l01551"></a><span class="lineno"> 1551</span> }</div>
<div class="line"><a id="l01552" name="l01552"></a><span class="lineno"> 1552</span> </div>
<div class="line"><a id="l01553" name="l01553"></a><span class="lineno"> 1553</span> <span class="comment">// -------------------------------------------------------------</span></div>
<div class="line"><a id="l01554" name="l01554"></a><span class="lineno"> 1554</span> <span class="comment">// full payment handling</span></div>
<div class="line"><a id="l01555" name="l01555"></a><span class="lineno"> 1555</span> <span class="keywordflow">if</span> (paymentType == <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6cae9dc924f238fa6cc29465942875fe8f0">LoanPaymentType::full</a>)</div>
<div class="line"><a id="l01556" name="l01556"></a><span class="lineno"> 1556</span> {</div>
<div class="line"><a id="l01557" name="l01557"></a><span class="lineno"> 1557</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> <span class="keyword">const</span> closeInterestRate{loan-&gt;at(sfCloseInterestRate)};</div>
<div class="line"><a id="l01558" name="l01558"></a><span class="lineno"> 1558</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> closePaymentFee = <a class="code hl_function" href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">roundToAsset</a>(asset, loan-&gt;at(sfClosePaymentFee), loanScale);</div>
<div class="line"><a id="l01559" name="l01559"></a><span class="lineno"> 1559</span> </div>
<div class="line"><a id="l01560" name="l01560"></a><span class="lineno"> 1560</span> <a class="code hl_struct" href="structxrpl_1_1LoanState.html">LoanState</a> <span class="keyword">const</span> roundedLoanState =</div>
<div class="line"><a id="l01561" name="l01561"></a><span class="lineno"> 1561</span> <a class="code hl_function" href="namespacexrpl.html#aeb5f98fcbd289260f4848cbf266400a4">constructLoanState</a>(totalValueOutstandingProxy, principalOutstandingProxy, managementFeeOutstandingProxy);</div>
<div class="line"><a id="l01562" name="l01562"></a><span class="lineno"> 1562</span> </div>
<div class="line"><a id="l01563" name="l01563"></a><span class="lineno"> 1563</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> fullPaymentComponents = <a class="code hl_function" href="namespacexrpl_1_1detail.html#a1987e4abb6916c5edb63687534395966">detail::computeFullPayment</a>(</div>
<div class="line"><a id="l01564" name="l01564"></a><span class="lineno"> 1564</span> asset,</div>
<div class="line"><a id="l01565" name="l01565"></a><span class="lineno"> 1565</span> view,</div>
<div class="line"><a id="l01566" name="l01566"></a><span class="lineno"> 1566</span> principalOutstandingProxy,</div>
<div class="line"><a id="l01567" name="l01567"></a><span class="lineno"> 1567</span> managementFeeOutstandingProxy,</div>
<div class="line"><a id="l01568" name="l01568"></a><span class="lineno"> 1568</span> periodicPayment,</div>
<div class="line"><a id="l01569" name="l01569"></a><span class="lineno"> 1569</span> paymentRemainingProxy,</div>
<div class="line"><a id="l01570" name="l01570"></a><span class="lineno"> 1570</span> prevPaymentDateProxy,</div>
<div class="line"><a id="l01571" name="l01571"></a><span class="lineno"> 1571</span> startDate,</div>
<div class="line"><a id="l01572" name="l01572"></a><span class="lineno"> 1572</span> paymentInterval,</div>
<div class="line"><a id="l01573" name="l01573"></a><span class="lineno"> 1573</span> closeInterestRate,</div>
<div class="line"><a id="l01574" name="l01574"></a><span class="lineno"> 1574</span> loanScale,</div>
<div class="line"><a id="l01575" name="l01575"></a><span class="lineno"> 1575</span> roundedLoanState.<a class="code hl_variable" href="structxrpl_1_1LoanState.html#ace2969cf6a9c612aec8512c4312722e3">interestDue</a>,</div>
<div class="line"><a id="l01576" name="l01576"></a><span class="lineno"> 1576</span> periodicRate,</div>
<div class="line"><a id="l01577" name="l01577"></a><span class="lineno"> 1577</span> closePaymentFee,</div>
<div class="line"><a id="l01578" name="l01578"></a><span class="lineno"> 1578</span> amount,</div>
<div class="line"><a id="l01579" name="l01579"></a><span class="lineno"> 1579</span> managementFeeRate,</div>
<div class="line"><a id="l01580" name="l01580"></a><span class="lineno"> 1580</span> j))</div>
<div class="line"><a id="l01581" name="l01581"></a><span class="lineno"> 1581</span> {</div>
<div class="line"><a id="l01582" name="l01582"></a><span class="lineno"> 1582</span> <span class="keywordflow">return</span> doPayment(</div>
<div class="line"><a id="l01583" name="l01583"></a><span class="lineno"> 1583</span> *fullPaymentComponents,</div>
<div class="line"><a id="l01584" name="l01584"></a><span class="lineno"> 1584</span> totalValueOutstandingProxy,</div>
<div class="line"><a id="l01585" name="l01585"></a><span class="lineno"> 1585</span> principalOutstandingProxy,</div>
<div class="line"><a id="l01586" name="l01586"></a><span class="lineno"> 1586</span> managementFeeOutstandingProxy,</div>
<div class="line"><a id="l01587" name="l01587"></a><span class="lineno"> 1587</span> paymentRemainingProxy,</div>
<div class="line"><a id="l01588" name="l01588"></a><span class="lineno"> 1588</span> prevPaymentDateProxy,</div>
<div class="line"><a id="l01589" name="l01589"></a><span class="lineno"> 1589</span> nextDueDateProxy,</div>
<div class="line"><a id="l01590" name="l01590"></a><span class="lineno"> 1590</span> paymentInterval);</div>
<div class="line"><a id="l01591" name="l01591"></a><span class="lineno"> 1591</span> }</div>
<div class="line"><a id="l01592" name="l01592"></a><span class="lineno"> 1592</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (fullPaymentComponents.error())</div>
<div class="line"><a id="l01593" name="l01593"></a><span class="lineno"> 1593</span> <span class="comment">// error() will be the TER returned if a payment is not made. It</span></div>
<div class="line"><a id="l01594" name="l01594"></a><span class="lineno"> 1594</span> <span class="comment">// will only evaluate to true if it&#39;s unsuccessful. Otherwise,</span></div>
<div class="line"><a id="l01595" name="l01595"></a><span class="lineno"> 1595</span> <span class="comment">// tesSUCCESS means nothing was done, so continue.</span></div>
<div class="line"><a id="l01596" name="l01596"></a><span class="lineno"> 1596</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(fullPaymentComponents.error());</div>
<div class="line"><a id="l01597" name="l01597"></a><span class="lineno"> 1597</span> </div>
<div class="line"><a id="l01598" name="l01598"></a><span class="lineno"> 1598</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l01599" name="l01599"></a><span class="lineno"> 1599</span> UNREACHABLE(<span class="stringliteral">&quot;xrpl::loanMakePayment : invalid full payment result&quot;</span>);</div>
<div class="line"><a id="l01600" name="l01600"></a><span class="lineno"> 1600</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>()) &lt;&lt; <span class="stringliteral">&quot;Full payment computation failed unexpectedly.&quot;</span>;</div>
<div class="line"><a id="l01601" name="l01601"></a><span class="lineno"> 1601</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba6869daf531ae5878c65a5095f103ce62">tecINTERNAL</a>);</div>
<div class="line"><a id="l01602" name="l01602"></a><span class="lineno"> 1602</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l01603" name="l01603"></a><span class="lineno"> 1603</span> }</div>
<div class="line"><a id="l01604" name="l01604"></a><span class="lineno"> 1604</span> </div>
<div class="line"><a id="l01605" name="l01605"></a><span class="lineno"> 1605</span> <span class="comment">// -------------------------------------------------------------</span></div>
<div class="line"><a id="l01606" name="l01606"></a><span class="lineno"> 1606</span> <span class="comment">// compute the periodic payment info that will be needed whether the</span></div>
<div class="line"><a id="l01607" name="l01607"></a><span class="lineno"> 1607</span> <span class="comment">// payment is late or regular</span></div>
<div class="line"><a id="l01608" name="l01608"></a><span class="lineno"> 1608</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html">detail::ExtendedPaymentComponents</a> periodic{</div>
<div class="line"><a id="l01609" name="l01609"></a><span class="lineno"> 1609</span> <a class="code hl_function" href="namespacexrpl_1_1detail.html#a15d4f3e9643b3ad99537596be2abca8f">detail::computePaymentComponents</a>(</div>
<div class="line"><a id="l01610" name="l01610"></a><span class="lineno"> 1610</span> asset,</div>
<div class="line"><a id="l01611" name="l01611"></a><span class="lineno"> 1611</span> loanScale,</div>
<div class="line"><a id="l01612" name="l01612"></a><span class="lineno"> 1612</span> totalValueOutstandingProxy,</div>
<div class="line"><a id="l01613" name="l01613"></a><span class="lineno"> 1613</span> principalOutstandingProxy,</div>
<div class="line"><a id="l01614" name="l01614"></a><span class="lineno"> 1614</span> managementFeeOutstandingProxy,</div>
<div class="line"><a id="l01615" name="l01615"></a><span class="lineno"> 1615</span> periodicPayment,</div>
<div class="line"><a id="l01616" name="l01616"></a><span class="lineno"> 1616</span> periodicRate,</div>
<div class="line"><a id="l01617" name="l01617"></a><span class="lineno"> 1617</span> paymentRemainingProxy,</div>
<div class="line"><a id="l01618" name="l01618"></a><span class="lineno"> 1618</span> managementFeeRate),</div>
<div class="line"><a id="l01619" name="l01619"></a><span class="lineno"> 1619</span> serviceFee};</div>
<div class="line"><a id="l01620" name="l01620"></a><span class="lineno"> 1620</span> XRPL_ASSERT_PARTS(periodic.trackedPrincipalDelta &gt;= 0, <span class="stringliteral">&quot;xrpl::loanMakePayment&quot;</span>, <span class="stringliteral">&quot;regular payment valid principal&quot;</span>);</div>
<div class="line"><a id="l01621" name="l01621"></a><span class="lineno"> 1621</span> </div>
<div class="line"><a id="l01622" name="l01622"></a><span class="lineno"> 1622</span> <span class="comment">// -------------------------------------------------------------</span></div>
<div class="line"><a id="l01623" name="l01623"></a><span class="lineno"> 1623</span> <span class="comment">// late payment handling</span></div>
<div class="line"><a id="l01624" name="l01624"></a><span class="lineno"> 1624</span> <span class="keywordflow">if</span> (paymentType == <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6caf2c67381db28fa11c59fe7a6df0f2587">LoanPaymentType::late</a>)</div>
<div class="line"><a id="l01625" name="l01625"></a><span class="lineno"> 1625</span> {</div>
<div class="line"><a id="l01626" name="l01626"></a><span class="lineno"> 1626</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> <span class="keyword">const</span> lateInterestRate{loan-&gt;at(sfLateInterestRate)};</div>
<div class="line"><a id="l01627" name="l01627"></a><span class="lineno"> 1627</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> latePaymentFee = loan-&gt;at(sfLatePaymentFee);</div>
<div class="line"><a id="l01628" name="l01628"></a><span class="lineno"> 1628</span> </div>
<div class="line"><a id="l01629" name="l01629"></a><span class="lineno"> 1629</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> latePaymentComponents = <a class="code hl_function" href="namespacexrpl_1_1detail.html#a5143b712974ff58f23a5b68454533145">detail::computeLatePayment</a>(</div>
<div class="line"><a id="l01630" name="l01630"></a><span class="lineno"> 1630</span> asset,</div>
<div class="line"><a id="l01631" name="l01631"></a><span class="lineno"> 1631</span> view,</div>
<div class="line"><a id="l01632" name="l01632"></a><span class="lineno"> 1632</span> principalOutstandingProxy,</div>
<div class="line"><a id="l01633" name="l01633"></a><span class="lineno"> 1633</span> nextDueDateProxy,</div>
<div class="line"><a id="l01634" name="l01634"></a><span class="lineno"> 1634</span> periodic,</div>
<div class="line"><a id="l01635" name="l01635"></a><span class="lineno"> 1635</span> lateInterestRate,</div>
<div class="line"><a id="l01636" name="l01636"></a><span class="lineno"> 1636</span> loanScale,</div>
<div class="line"><a id="l01637" name="l01637"></a><span class="lineno"> 1637</span> latePaymentFee,</div>
<div class="line"><a id="l01638" name="l01638"></a><span class="lineno"> 1638</span> amount,</div>
<div class="line"><a id="l01639" name="l01639"></a><span class="lineno"> 1639</span> managementFeeRate,</div>
<div class="line"><a id="l01640" name="l01640"></a><span class="lineno"> 1640</span> j))</div>
<div class="line"><a id="l01641" name="l01641"></a><span class="lineno"> 1641</span> {</div>
<div class="line"><a id="l01642" name="l01642"></a><span class="lineno"> 1642</span> <span class="keywordflow">return</span> doPayment(</div>
<div class="line"><a id="l01643" name="l01643"></a><span class="lineno"> 1643</span> *latePaymentComponents,</div>
<div class="line"><a id="l01644" name="l01644"></a><span class="lineno"> 1644</span> totalValueOutstandingProxy,</div>
<div class="line"><a id="l01645" name="l01645"></a><span class="lineno"> 1645</span> principalOutstandingProxy,</div>
<div class="line"><a id="l01646" name="l01646"></a><span class="lineno"> 1646</span> managementFeeOutstandingProxy,</div>
<div class="line"><a id="l01647" name="l01647"></a><span class="lineno"> 1647</span> paymentRemainingProxy,</div>
<div class="line"><a id="l01648" name="l01648"></a><span class="lineno"> 1648</span> prevPaymentDateProxy,</div>
<div class="line"><a id="l01649" name="l01649"></a><span class="lineno"> 1649</span> nextDueDateProxy,</div>
<div class="line"><a id="l01650" name="l01650"></a><span class="lineno"> 1650</span> paymentInterval);</div>
<div class="line"><a id="l01651" name="l01651"></a><span class="lineno"> 1651</span> }</div>
<div class="line"><a id="l01652" name="l01652"></a><span class="lineno"> 1652</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (latePaymentComponents.error())</div>
<div class="line"><a id="l01653" name="l01653"></a><span class="lineno"> 1653</span> {</div>
<div class="line"><a id="l01654" name="l01654"></a><span class="lineno"> 1654</span> <span class="comment">// error() will be the TER returned if a payment is not made. It</span></div>
<div class="line"><a id="l01655" name="l01655"></a><span class="lineno"> 1655</span> <span class="comment">// will only evaluate to true if it&#39;s unsuccessful.</span></div>
<div class="line"><a id="l01656" name="l01656"></a><span class="lineno"> 1656</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(latePaymentComponents.error());</div>
<div class="line"><a id="l01657" name="l01657"></a><span class="lineno"> 1657</span> }</div>
<div class="line"><a id="l01658" name="l01658"></a><span class="lineno"> 1658</span> </div>
<div class="line"><a id="l01659" name="l01659"></a><span class="lineno"> 1659</span> <span class="comment">// LCOV_EXCL_START</span></div>
<div class="line"><a id="l01660" name="l01660"></a><span class="lineno"> 1660</span> UNREACHABLE(<span class="stringliteral">&quot;xrpl::loanMakePayment : invalid late payment result&quot;</span>);</div>
<div class="line"><a id="l01661" name="l01661"></a><span class="lineno"> 1661</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>()) &lt;&lt; <span class="stringliteral">&quot;Late payment computation failed unexpectedly.&quot;</span>;</div>
<div class="line"><a id="l01662" name="l01662"></a><span class="lineno"> 1662</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba6869daf531ae5878c65a5095f103ce62">tecINTERNAL</a>);</div>
<div class="line"><a id="l01663" name="l01663"></a><span class="lineno"> 1663</span> <span class="comment">// LCOV_EXCL_STOP</span></div>
<div class="line"><a id="l01664" name="l01664"></a><span class="lineno"> 1664</span> }</div>
<div class="line"><a id="l01665" name="l01665"></a><span class="lineno"> 1665</span> </div>
<div class="line"><a id="l01666" name="l01666"></a><span class="lineno"> 1666</span> <span class="comment">// -------------------------------------------------------------</span></div>
<div class="line"><a id="l01667" name="l01667"></a><span class="lineno"> 1667</span> <span class="comment">// regular periodic payment handling</span></div>
<div class="line"><a id="l01668" name="l01668"></a><span class="lineno"> 1668</span> </div>
<div class="line"><a id="l01669" name="l01669"></a><span class="lineno"> 1669</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l01670" name="l01670"></a><span class="lineno"> 1670</span> paymentType == <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6caaf37d08ae228a87dc6b265fd1019c97d">LoanPaymentType::regular</a> || paymentType == <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9">LoanPaymentType::overpayment</a>,</div>
<div class="line"><a id="l01671" name="l01671"></a><span class="lineno"> 1671</span> <span class="stringliteral">&quot;xrpl::loanMakePayment&quot;</span>,</div>
<div class="line"><a id="l01672" name="l01672"></a><span class="lineno"> 1672</span> <span class="stringliteral">&quot;regular payment type&quot;</span>);</div>
<div class="line"><a id="l01673" name="l01673"></a><span class="lineno"> 1673</span> </div>
<div class="line"><a id="l01674" name="l01674"></a><span class="lineno"> 1674</span> <span class="comment">// Keep a running total of the actual parts paid</span></div>
<div class="line"><a id="l01675" name="l01675"></a><span class="lineno"> 1675</span> <a class="code hl_struct" href="structxrpl_1_1LoanPaymentParts.html">LoanPaymentParts</a> totalParts;</div>
<div class="line"><a id="l01676" name="l01676"></a><span class="lineno"> 1676</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> totalPaid;</div>
<div class="line"><a id="l01677" name="l01677"></a><span class="lineno"> 1677</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> numPayments = 0;</div>
<div class="line"><a id="l01678" name="l01678"></a><span class="lineno"> 1678</span> </div>
<div class="line"><a id="l01679" name="l01679"></a><span class="lineno"> 1679</span> <span class="keywordflow">while</span> ((amount &gt;= (totalPaid + periodic.totalDue)) &amp;&amp; paymentRemainingProxy &gt; 0 &amp;&amp;</div>
<div class="line"><a id="l01680" name="l01680"></a><span class="lineno"> 1680</span> numPayments &lt; loanMaximumPaymentsPerTransaction)</div>
<div class="line"><a id="l01681" name="l01681"></a><span class="lineno"> 1681</span> {</div>
<div class="line"><a id="l01682" name="l01682"></a><span class="lineno"> 1682</span> <span class="comment">// Try to make more payments</span></div>
<div class="line"><a id="l01683" name="l01683"></a><span class="lineno"> 1683</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l01684" name="l01684"></a><span class="lineno"> 1684</span> periodic.trackedPrincipalDelta &gt;= 0, <span class="stringliteral">&quot;xrpl::loanMakePayment&quot;</span>, <span class="stringliteral">&quot;payment pays non-negative principal&quot;</span>);</div>
<div class="line"><a id="l01685" name="l01685"></a><span class="lineno"> 1685</span> </div>
<div class="line"><a id="l01686" name="l01686"></a><span class="lineno"> 1686</span> totalPaid += periodic.totalDue;</div>
<div class="line"><a id="l01687" name="l01687"></a><span class="lineno"> 1687</span> totalParts += <a class="code hl_function" href="namespacexrpl_1_1detail.html#af70ce6e662a17de27fef50564a4a8944">detail::doPayment</a>(</div>
<div class="line"><a id="l01688" name="l01688"></a><span class="lineno"> 1688</span> periodic,</div>
<div class="line"><a id="l01689" name="l01689"></a><span class="lineno"> 1689</span> totalValueOutstandingProxy,</div>
<div class="line"><a id="l01690" name="l01690"></a><span class="lineno"> 1690</span> principalOutstandingProxy,</div>
<div class="line"><a id="l01691" name="l01691"></a><span class="lineno"> 1691</span> managementFeeOutstandingProxy,</div>
<div class="line"><a id="l01692" name="l01692"></a><span class="lineno"> 1692</span> paymentRemainingProxy,</div>
<div class="line"><a id="l01693" name="l01693"></a><span class="lineno"> 1693</span> prevPaymentDateProxy,</div>
<div class="line"><a id="l01694" name="l01694"></a><span class="lineno"> 1694</span> nextDueDateProxy,</div>
<div class="line"><a id="l01695" name="l01695"></a><span class="lineno"> 1695</span> paymentInterval);</div>
<div class="line"><a id="l01696" name="l01696"></a><span class="lineno"> 1696</span> ++numPayments;</div>
<div class="line"><a id="l01697" name="l01697"></a><span class="lineno"> 1697</span> </div>
<div class="line"><a id="l01698" name="l01698"></a><span class="lineno"> 1698</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l01699" name="l01699"></a><span class="lineno"> 1699</span> (periodic.specialCase == <a class="code hl_enumvalue" href="namespacexrpl_1_1detail.html#a230ef83732e01df4f26a546cfadcbab0a2a1585a864d9e67627c6ae04c807a2c5">detail::PaymentSpecialCase::final</a>) == (paymentRemainingProxy == 0),</div>
<div class="line"><a id="l01700" name="l01700"></a><span class="lineno"> 1700</span> <span class="stringliteral">&quot;xrpl::loanMakePayment&quot;</span>,</div>
<div class="line"><a id="l01701" name="l01701"></a><span class="lineno"> 1701</span> <span class="stringliteral">&quot;final payment is the final payment&quot;</span>);</div>
<div class="line"><a id="l01702" name="l01702"></a><span class="lineno"> 1702</span> </div>
<div class="line"><a id="l01703" name="l01703"></a><span class="lineno"> 1703</span> <span class="comment">// Don&#39;t compute the next payment if this was the last payment</span></div>
<div class="line"><a id="l01704" name="l01704"></a><span class="lineno"> 1704</span> <span class="keywordflow">if</span> (periodic.specialCase == <a class="code hl_enumvalue" href="namespacexrpl_1_1detail.html#a230ef83732e01df4f26a546cfadcbab0a2a1585a864d9e67627c6ae04c807a2c5">detail::PaymentSpecialCase::final</a>)</div>
<div class="line"><a id="l01705" name="l01705"></a><span class="lineno"> 1705</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01706" name="l01706"></a><span class="lineno"> 1706</span> </div>
<div class="line"><a id="l01707" name="l01707"></a><span class="lineno"> 1707</span> periodic = <a class="code hl_struct" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html">detail::ExtendedPaymentComponents</a>{</div>
<div class="line"><a id="l01708" name="l01708"></a><span class="lineno"> 1708</span> <a class="code hl_function" href="namespacexrpl_1_1detail.html#a15d4f3e9643b3ad99537596be2abca8f">detail::computePaymentComponents</a>(</div>
<div class="line"><a id="l01709" name="l01709"></a><span class="lineno"> 1709</span> asset,</div>
<div class="line"><a id="l01710" name="l01710"></a><span class="lineno"> 1710</span> loanScale,</div>
<div class="line"><a id="l01711" name="l01711"></a><span class="lineno"> 1711</span> totalValueOutstandingProxy,</div>
<div class="line"><a id="l01712" name="l01712"></a><span class="lineno"> 1712</span> principalOutstandingProxy,</div>
<div class="line"><a id="l01713" name="l01713"></a><span class="lineno"> 1713</span> managementFeeOutstandingProxy,</div>
<div class="line"><a id="l01714" name="l01714"></a><span class="lineno"> 1714</span> periodicPayment,</div>
<div class="line"><a id="l01715" name="l01715"></a><span class="lineno"> 1715</span> periodicRate,</div>
<div class="line"><a id="l01716" name="l01716"></a><span class="lineno"> 1716</span> paymentRemainingProxy,</div>
<div class="line"><a id="l01717" name="l01717"></a><span class="lineno"> 1717</span> managementFeeRate),</div>
<div class="line"><a id="l01718" name="l01718"></a><span class="lineno"> 1718</span> serviceFee};</div>
<div class="line"><a id="l01719" name="l01719"></a><span class="lineno"> 1719</span> }</div>
<div class="line"><a id="l01720" name="l01720"></a><span class="lineno"> 1720</span> </div>
<div class="line"><a id="l01721" name="l01721"></a><span class="lineno"> 1721</span> <span class="keywordflow">if</span> (numPayments == 0)</div>
<div class="line"><a id="l01722" name="l01722"></a><span class="lineno"> 1722</span> {</div>
<div class="line"><a id="l01723" name="l01723"></a><span class="lineno"> 1723</span> JLOG(j.<a class="code hl_function" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;Regular loan payment amount is insufficient. Due: &quot;</span> &lt;&lt; periodic.totalDue</div>
<div class="line"><a id="l01724" name="l01724"></a><span class="lineno"> 1724</span> &lt;&lt; <span class="stringliteral">&quot;, paid: &quot;</span> &lt;&lt; amount;</div>
<div class="line"><a id="l01725" name="l01725"></a><span class="lineno"> 1725</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#ad78c115958eec639754bf9227f58556baffcaa48f78bf349ec4434b2351577362">tecINSUFFICIENT_PAYMENT</a>);</div>
<div class="line"><a id="l01726" name="l01726"></a><span class="lineno"> 1726</span> }</div>
<div class="line"><a id="l01727" name="l01727"></a><span class="lineno"> 1727</span> </div>
<div class="line"><a id="l01728" name="l01728"></a><span class="lineno"> 1728</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l01729" name="l01729"></a><span class="lineno"> 1729</span> totalParts.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a1b52273c7ca5cc424b7f536913084e12">principalPaid</a> + totalParts.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a8d817008ebab20e53761a859c446456b">interestPaid</a> + totalParts.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a83958ab4c0e194a9d44563bce3a17af1">feePaid</a> == totalPaid,</div>
<div class="line"><a id="l01730" name="l01730"></a><span class="lineno"> 1730</span> <span class="stringliteral">&quot;xrpl::loanMakePayment&quot;</span>,</div>
<div class="line"><a id="l01731" name="l01731"></a><span class="lineno"> 1731</span> <span class="stringliteral">&quot;payment parts add up&quot;</span>);</div>
<div class="line"><a id="l01732" name="l01732"></a><span class="lineno"> 1732</span> XRPL_ASSERT_PARTS(totalParts.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#aa6b19b9340823f7d1acc180a311a002e">valueChange</a> == 0, <span class="stringliteral">&quot;xrpl::loanMakePayment&quot;</span>, <span class="stringliteral">&quot;no value change&quot;</span>);</div>
<div class="line"><a id="l01733" name="l01733"></a><span class="lineno"> 1733</span> </div>
<div class="line"><a id="l01734" name="l01734"></a><span class="lineno"> 1734</span> <span class="comment">// -------------------------------------------------------------</span></div>
<div class="line"><a id="l01735" name="l01735"></a><span class="lineno"> 1735</span> <span class="comment">// overpayment handling</span></div>
<div class="line"><a id="l01736" name="l01736"></a><span class="lineno"> 1736</span> <span class="keywordflow">if</span> (paymentType == <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9">LoanPaymentType::overpayment</a> &amp;&amp; loan-&gt;isFlag(<a class="code hl_enumvalue" href="namespacexrpl.html#ada4805619214865518ed8c0b54a71bc1a445ecc250b4e81d24d1bf9b1ba9c8455">lsfLoanOverpayment</a>) &amp;&amp; paymentRemainingProxy &gt; 0 &amp;&amp;</div>
<div class="line"><a id="l01737" name="l01737"></a><span class="lineno"> 1737</span> totalPaid &lt; amount &amp;&amp; numPayments &lt; loanMaximumPaymentsPerTransaction)</div>
<div class="line"><a id="l01738" name="l01738"></a><span class="lineno"> 1738</span> {</div>
<div class="line"><a id="l01739" name="l01739"></a><span class="lineno"> 1739</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> <span class="keyword">const</span> overpaymentInterestRate{loan-&gt;at(sfOverpaymentInterestRate)};</div>
<div class="line"><a id="l01740" name="l01740"></a><span class="lineno"> 1740</span> <a class="code hl_class" href="classxrpl_1_1unit_1_1ValueUnit.html">TenthBips32</a> <span class="keyword">const</span> overpaymentFeeRate{loan-&gt;at(sfOverpaymentFee)};</div>
<div class="line"><a id="l01741" name="l01741"></a><span class="lineno"> 1741</span> </div>
<div class="line"><a id="l01742" name="l01742"></a><span class="lineno"> 1742</span> <span class="comment">// It shouldn&#39;t be possible for the overpayment to be greater than</span></div>
<div class="line"><a id="l01743" name="l01743"></a><span class="lineno"> 1743</span> <span class="comment">// totalValueOutstanding, because that would have been processed as</span></div>
<div class="line"><a id="l01744" name="l01744"></a><span class="lineno"> 1744</span> <span class="comment">// another normal payment. But cap it just in case.</span></div>
<div class="line"><a id="l01745" name="l01745"></a><span class="lineno"> 1745</span> <a class="code hl_class" href="classxrpl_1_1Number.html">Number</a> <span class="keyword">const</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9">overpayment</a> = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a>(amount - totalPaid, *totalValueOutstandingProxy);</div>
<div class="line"><a id="l01746" name="l01746"></a><span class="lineno"> 1746</span> </div>
<div class="line"><a id="l01747" name="l01747"></a><span class="lineno"> 1747</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html">detail::ExtendedPaymentComponents</a> <span class="keyword">const</span> overpaymentComponents = <a class="code hl_function" href="namespacexrpl_1_1detail.html#a3066a3a4109319b673e8db6bf09dd208">detail::computeOverpaymentComponents</a>(</div>
<div class="line"><a id="l01748" name="l01748"></a><span class="lineno"> 1748</span> asset, loanScale, <a class="code hl_enumvalue" href="namespacexrpl.html#a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9">overpayment</a>, overpaymentInterestRate, overpaymentFeeRate, managementFeeRate);</div>
<div class="line"><a id="l01749" name="l01749"></a><span class="lineno"> 1749</span> </div>
<div class="line"><a id="l01750" name="l01750"></a><span class="lineno"> 1750</span> <span class="comment">// Don&#39;t process an overpayment if the whole amount (or more!)</span></div>
<div class="line"><a id="l01751" name="l01751"></a><span class="lineno"> 1751</span> <span class="comment">// gets eaten by fees and interest.</span></div>
<div class="line"><a id="l01752" name="l01752"></a><span class="lineno"> 1752</span> <span class="keywordflow">if</span> (overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">trackedPrincipalDelta</a> &gt; 0)</div>
<div class="line"><a id="l01753" name="l01753"></a><span class="lineno"> 1753</span> {</div>
<div class="line"><a id="l01754" name="l01754"></a><span class="lineno"> 1754</span> XRPL_ASSERT_PARTS(</div>
<div class="line"><a id="l01755" name="l01755"></a><span class="lineno"> 1755</span> overpaymentComponents.<a class="code hl_variable" href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#aa9a5440887f0298b8b5850b2bb46439c">untrackedInterest</a> &gt;= beast::zero,</div>
<div class="line"><a id="l01756" name="l01756"></a><span class="lineno"> 1756</span> <span class="stringliteral">&quot;xrpl::loanMakePayment&quot;</span>,</div>
<div class="line"><a id="l01757" name="l01757"></a><span class="lineno"> 1757</span> <span class="stringliteral">&quot;overpayment penalty did not reduce value of loan&quot;</span>);</div>
<div class="line"><a id="l01758" name="l01758"></a><span class="lineno"> 1758</span> <span class="comment">// Can&#39;t just use `periodicPayment` here, because it might</span></div>
<div class="line"><a id="l01759" name="l01759"></a><span class="lineno"> 1759</span> <span class="comment">// change</span></div>
<div class="line"><a id="l01760" name="l01760"></a><span class="lineno"> 1760</span> <span class="keyword">auto</span> periodicPaymentProxy = loan-&gt;at(sfPeriodicPayment);</div>
<div class="line"><a id="l01761" name="l01761"></a><span class="lineno"> 1761</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> overResult = <a class="code hl_function" href="namespacexrpl_1_1detail.html#a45834c9016f224c507fe46b5fb6834b9">detail::doOverpayment</a>(</div>
<div class="line"><a id="l01762" name="l01762"></a><span class="lineno"> 1762</span> asset,</div>
<div class="line"><a id="l01763" name="l01763"></a><span class="lineno"> 1763</span> loanScale,</div>
<div class="line"><a id="l01764" name="l01764"></a><span class="lineno"> 1764</span> overpaymentComponents,</div>
<div class="line"><a id="l01765" name="l01765"></a><span class="lineno"> 1765</span> totalValueOutstandingProxy,</div>
<div class="line"><a id="l01766" name="l01766"></a><span class="lineno"> 1766</span> principalOutstandingProxy,</div>
<div class="line"><a id="l01767" name="l01767"></a><span class="lineno"> 1767</span> managementFeeOutstandingProxy,</div>
<div class="line"><a id="l01768" name="l01768"></a><span class="lineno"> 1768</span> periodicPaymentProxy,</div>
<div class="line"><a id="l01769" name="l01769"></a><span class="lineno"> 1769</span> periodicRate,</div>
<div class="line"><a id="l01770" name="l01770"></a><span class="lineno"> 1770</span> paymentRemainingProxy,</div>
<div class="line"><a id="l01771" name="l01771"></a><span class="lineno"> 1771</span> managementFeeRate,</div>
<div class="line"><a id="l01772" name="l01772"></a><span class="lineno"> 1772</span> j))</div>
<div class="line"><a id="l01773" name="l01773"></a><span class="lineno"> 1773</span> totalParts += *overResult;</div>
<div class="line"><a id="l01774" name="l01774"></a><span class="lineno"> 1774</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (overResult.error())</div>
<div class="line"><a id="l01775" name="l01775"></a><span class="lineno"> 1775</span> <span class="comment">// error() will be the TER returned if a payment is not</span></div>
<div class="line"><a id="l01776" name="l01776"></a><span class="lineno"> 1776</span> <span class="comment">// made. It will only evaluate to true if it&#39;s unsuccessful.</span></div>
<div class="line"><a id="l01777" name="l01777"></a><span class="lineno"> 1777</span> <span class="comment">// Otherwise, tesSUCCESS means nothing was done, so</span></div>
<div class="line"><a id="l01778" name="l01778"></a><span class="lineno"> 1778</span> <span class="comment">// continue.</span></div>
<div class="line"><a id="l01779" name="l01779"></a><span class="lineno"> 1779</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Unexpected.html">Unexpected</a>(overResult.error());</div>
<div class="line"><a id="l01780" name="l01780"></a><span class="lineno"> 1780</span> }</div>
<div class="line"><a id="l01781" name="l01781"></a><span class="lineno"> 1781</span> }</div>
<div class="line"><a id="l01782" name="l01782"></a><span class="lineno"> 1782</span> </div>
<div class="line"><a id="l01783" name="l01783"></a><span class="lineno"> 1783</span> <span class="comment">// Check the final results are rounded, to double-check that the</span></div>
<div class="line"><a id="l01784" name="l01784"></a><span class="lineno"> 1784</span> <span class="comment">// intermediate steps were rounded.</span></div>
<div class="line"><a id="l01785" name="l01785"></a><span class="lineno"> 1785</span> XRPL_ASSERT(</div>
<div class="line"><a id="l01786" name="l01786"></a><span class="lineno"> 1786</span> <a class="code hl_function" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">isRounded</a>(asset, totalParts.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a1b52273c7ca5cc424b7f536913084e12">principalPaid</a>, loanScale) &amp;&amp; totalParts.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a1b52273c7ca5cc424b7f536913084e12">principalPaid</a> &gt;= beast::zero,</div>
<div class="line"><a id="l01787" name="l01787"></a><span class="lineno"> 1787</span> <span class="stringliteral">&quot;xrpl::loanMakePayment : total principal paid is valid&quot;</span>);</div>
<div class="line"><a id="l01788" name="l01788"></a><span class="lineno"> 1788</span> XRPL_ASSERT(</div>
<div class="line"><a id="l01789" name="l01789"></a><span class="lineno"> 1789</span> <a class="code hl_function" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">isRounded</a>(asset, totalParts.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a8d817008ebab20e53761a859c446456b">interestPaid</a>, loanScale) &amp;&amp; totalParts.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a8d817008ebab20e53761a859c446456b">interestPaid</a> &gt;= beast::zero,</div>
<div class="line"><a id="l01790" name="l01790"></a><span class="lineno"> 1790</span> <span class="stringliteral">&quot;xrpl::loanMakePayment : total interest paid is valid&quot;</span>);</div>
<div class="line"><a id="l01791" name="l01791"></a><span class="lineno"> 1791</span> XRPL_ASSERT(</div>
<div class="line"><a id="l01792" name="l01792"></a><span class="lineno"> 1792</span> <a class="code hl_function" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">isRounded</a>(asset, totalParts.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#aa6b19b9340823f7d1acc180a311a002e">valueChange</a>, loanScale), <span class="stringliteral">&quot;xrpl::loanMakePayment : loan value change is valid&quot;</span>);</div>
<div class="line"><a id="l01793" name="l01793"></a><span class="lineno"> 1793</span> XRPL_ASSERT(</div>
<div class="line"><a id="l01794" name="l01794"></a><span class="lineno"> 1794</span> <a class="code hl_function" href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">isRounded</a>(asset, totalParts.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a83958ab4c0e194a9d44563bce3a17af1">feePaid</a>, loanScale) &amp;&amp; totalParts.<a class="code hl_variable" href="structxrpl_1_1LoanPaymentParts.html#a83958ab4c0e194a9d44563bce3a17af1">feePaid</a> &gt;= beast::zero,</div>
<div class="line"><a id="l01795" name="l01795"></a><span class="lineno"> 1795</span> <span class="stringliteral">&quot;xrpl::loanMakePayment : fee paid is valid&quot;</span>);</div>
<div class="line"><a id="l01796" name="l01796"></a><span class="lineno"> 1796</span> <span class="keywordflow">return</span> totalParts;</div>
<div class="line"><a id="l01797" name="l01797"></a><span class="lineno"> 1797</span>}</div>
</div>
<div class="line"><a id="l01798" name="l01798"></a><span class="lineno"> 1798</span>} <span class="comment">// namespace xrpl</span></div>
<div class="ttc" id="aclamp_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/clamp.html">std::clamp</a></div><div class="ttdeci">T clamp(T... args)</div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html"><div class="ttname"><a href="classbeast_1_1Journal.html">beast::Journal</a></div><div class="ttdoc">A generic endpoint for log messages.</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00040">Journal.h:41</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_a49b0713e65bb8e2c51b76fbf16252afe"><div class="ttname"><a href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">beast::Journal::error</a></div><div class="ttdeci">Stream error() const</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00319">Journal.h:319</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_a556228cb60bcf405c225d3f64b7b01ae"><div class="ttname"><a href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">beast::Journal::debug</a></div><div class="ttdeci">Stream debug() const</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00301">Journal.h:301</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_abbe082bd27ca0f1d1365af2824e4f85b"><div class="ttname"><a href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">beast::Journal::trace</a></div><div class="ttdeci">Stream trace() const</div><div class="ttdoc">Severity stream access functions.</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00295">Journal.h:295</a></div></div>
<div class="ttc" id="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#l00313">Journal.h:313</a></div></div>
<div class="ttc" id="aclassxrpl_1_1ApplyView_html"><div class="ttname"><a href="classxrpl_1_1ApplyView.html">xrpl::ApplyView</a></div><div class="ttdoc">Writeable view to a ledger, for applying a transaction.</div><div class="ttdef"><b>Definition</b> <a href="ApplyView_8h_source.html#l00114">ApplyView.h:115</a></div></div>
<div class="ttc" id="aclassxrpl_1_1ApplyView_html_a1c494e32b7dfe50416045d749ba4f560"><div class="ttname"><a href="classxrpl_1_1ApplyView.html#a1c494e32b7dfe50416045d749ba4f560">xrpl::ApplyView::update</a></div><div class="ttdeci">virtual void update(std::shared_ptr&lt; SLE &gt; const &amp;sle)=0</div><div class="ttdoc">Indicate changes to a peeked SLE.</div></div>
<div class="ttc" id="aclassxrpl_1_1Asset_html"><div class="ttname"><a href="classxrpl_1_1Asset.html">xrpl::Asset</a></div><div class="ttdef"><b>Definition</b> <a href="Asset_8h_source.html#l00026">Asset.h:27</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Expected_html"><div class="ttname"><a href="classxrpl_1_1Expected.html">xrpl::Expected</a></div><div class="ttdef"><b>Definition</b> <a href="Expected_8h_source.html#l00111">Expected.h:112</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NumberRoundModeGuard_html"><div class="ttname"><a href="classxrpl_1_1NumberRoundModeGuard.html">xrpl::NumberRoundModeGuard</a></div><div class="ttdef"><b>Definition</b> <a href="Number_8h_source.html#l00780">Number.h:781</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Number_html"><div class="ttname"><a href="classxrpl_1_1Number.html">xrpl::Number</a></div><div class="ttdoc">Number is a floating point type that can represent a wide range of values.</div><div class="ttdef"><b>Definition</b> <a href="Number_8h_source.html#l00207">Number.h:208</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Number_html_a40e08f75077897215c66d102b5b75f95aa1683b7e2939668142366896b111931a"><div class="ttname"><a href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aa1683b7e2939668142366896b111931a">xrpl::Number::to_nearest</a></div><div class="ttdeci">@ to_nearest</div><div class="ttdef"><b>Definition</b> <a href="Number_8h_source.html#l00381">Number.h:381</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Number_html_a40e08f75077897215c66d102b5b75f95aaf71effcd4dcf7bc7c89bb51e27e8b17"><div class="ttname"><a href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aaf71effcd4dcf7bc7c89bb51e27e8b17">xrpl::Number::upward</a></div><div class="ttdeci">@ upward</div><div class="ttdef"><b>Definition</b> <a href="Number_8h_source.html#l00381">Number.h:381</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Number_html_a40e08f75077897215c66d102b5b75f95aefac6c5bd63a85dcee4fc69baf788d40"><div class="ttname"><a href="classxrpl_1_1Number.html#a40e08f75077897215c66d102b5b75f95aefac6c5bd63a85dcee4fc69baf788d40">xrpl::Number::downward</a></div><div class="ttdeci">@ downward</div><div class="ttdef"><b>Definition</b> <a href="Number_8h_source.html#l00381">Number.h:381</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Number_html_aa4058fefe18f86063240cfd2ba985358"><div class="ttname"><a href="classxrpl_1_1Number.html#aa4058fefe18f86063240cfd2ba985358">xrpl::Number::exponent</a></div><div class="ttdeci">constexpr int exponent() const noexcept</div><div class="ttdoc">Returns the exponent of the external view of the Number.</div><div class="ttdef"><b>Definition</b> <a href="Number_8h_source.html#l00564">Number.h:564</a></div></div>
<div class="ttc" id="aclassxrpl_1_1ReadView_html_a0796f54cc244f05d8d97e0cbd9f53efe"><div class="ttname"><a href="classxrpl_1_1ReadView.html#a0796f54cc244f05d8d97e0cbd9f53efe">xrpl::ReadView::parentCloseTime</a></div><div class="ttdeci">NetClock::time_point parentCloseTime() const</div><div class="ttdoc">Returns the close time of the previous ledger.</div><div class="ttdef"><b>Definition</b> <a href="ReadView_8h_source.html#l00091">ReadView.h:91</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Rules_html_a125114e27f806d1517096cbee50a2b04"><div class="ttname"><a href="classxrpl_1_1Rules.html#a125114e27f806d1517096cbee50a2b04">xrpl::Rules::enabled</a></div><div class="ttdeci">bool enabled(uint256 const &amp;feature) const</div><div class="ttdoc">Returns true if a feature is enabled.</div><div class="ttdef"><b>Definition</b> <a href="Rules_8cpp_source.html#l00118">Rules.cpp:118</a></div></div>
<div class="ttc" id="aclassxrpl_1_1STAmount_html"><div class="ttname"><a href="classxrpl_1_1STAmount.html">xrpl::STAmount</a></div><div class="ttdef"><b>Definition</b> <a href="STAmount_8h_source.html#l00030">STAmount.h:31</a></div></div>
<div class="ttc" id="aclassxrpl_1_1TERSubset_html"><div class="ttname"><a href="classxrpl_1_1TERSubset.html">xrpl::TERSubset&lt; CanCvtToTER &gt;</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Unexpected_html"><div class="ttname"><a href="classxrpl_1_1Unexpected.html">xrpl::Unexpected</a></div><div class="ttdef"><b>Definition</b> <a href="Expected_8h_source.html#l00062">Expected.h:63</a></div></div>
<div class="ttc" id="aclassxrpl_1_1VaultCreate_html_ab0d90f9893e664e57ae8f803e7a288dc"><div class="ttname"><a href="classxrpl_1_1VaultCreate.html#ab0d90f9893e664e57ae8f803e7a288dc">xrpl::VaultCreate::checkExtraFeatures</a></div><div class="ttdeci">static bool checkExtraFeatures(PreflightContext const &amp;ctx)</div><div class="ttdef"><b>Definition</b> <a href="VaultCreate_8cpp_source.html#l00021">VaultCreate.cpp:21</a></div></div>
<div class="ttc" id="aclassxrpl_1_1unit_1_1ValueUnit_html"><div class="ttname"><a href="classxrpl_1_1unit_1_1ValueUnit.html">xrpl::unit::ValueUnit</a></div><div class="ttdef"><b>Definition</b> <a href="Units_8h_source.html#l00070">Units.h:76</a></div></div>
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div></div>
<div class="ttc" id="amake_pair_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/pair/make_pair.html">std::make_pair</a></div><div class="ttdeci">T make_pair(T... args)</div></div>
<div class="ttc" id="amax_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a></div><div class="ttdeci">T max(T... args)</div></div>
<div class="ttc" id="amin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a></div><div class="ttdeci">T min(T... args)</div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a15d4f3e9643b3ad99537596be2abca8f"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a15d4f3e9643b3ad99537596be2abca8f">xrpl::detail::computePaymentComponents</a></div><div class="ttdeci">PaymentComponents computePaymentComponents(Asset const &amp;asset, std::int32_t scale, Number const &amp;totalValueOutstanding, Number const &amp;principalOutstanding, Number const &amp;managementFeeOutstanding, Number const &amp;periodicPayment, Number const &amp;periodicRate, std::uint32_t paymentRemaining, TenthBips16 managementFeeRate)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00859">LendingHelpers.cpp:859</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a1987e4abb6916c5edb63687534395966"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a1987e4abb6916c5edb63687534395966">xrpl::detail::computeFullPayment</a></div><div class="ttdeci">Expected&lt; ExtendedPaymentComponents, TER &gt; computeFullPayment(Asset const &amp;asset, ApplyView &amp;view, Number const &amp;principalOutstanding, Number const &amp;managementFeeOutstanding, Number const &amp;periodicPayment, std::uint32_t paymentRemaining, std::uint32_t prevPaymentDate, std::uint32_t const startDate, std::uint32_t const paymentInterval, TenthBips32 const closeInterestRate, std::int32_t loanScale, Number const &amp;totalInterestOutstanding, Number const &amp;periodicRate, Number const &amp;closePaymentFee, STAmount const &amp;amount, TenthBips16 managementFeeRate, beast::Journal j)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00731">LendingHelpers.cpp:731</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a1c6bcd1d73b4c1d5ea9aaf544db61773"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a1c6bcd1d73b4c1d5ea9aaf544db61773">xrpl::detail::computeRaisedRate</a></div><div class="ttdeci">Number computeRaisedRate(Number const &amp;periodicRate, std::uint32_t paymentsRemaining)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00084">LendingHelpers.cpp:84</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a230ef83732e01df4f26a546cfadcbab0a2a1585a864d9e67627c6ae04c807a2c5"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a230ef83732e01df4f26a546cfadcbab0a2a1585a864d9e67627c6ae04c807a2c5">xrpl::detail::PaymentSpecialCase::final</a></div><div class="ttdeci">@ final</div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a230ef83732e01df4f26a546cfadcbab0aea9f91b2cda019730f2891bd12a7a4d6"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a230ef83732e01df4f26a546cfadcbab0aea9f91b2cda019730f2891bd12a7a4d6">xrpl::detail::PaymentSpecialCase::extra</a></div><div class="ttdeci">@ extra</div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a27ec776a76adbf24c9977eff5f9fdfe6"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a27ec776a76adbf24c9977eff5f9fdfe6">xrpl::detail::loanPeriodicPayment</a></div><div class="ttdeci">Number loanPeriodicPayment(Number const &amp;principalOutstanding, Number const &amp;periodicRate, std::uint32_t paymentsRemaining)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00115">LendingHelpers.cpp:115</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a3066a3a4109319b673e8db6bf09dd208"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a3066a3a4109319b673e8db6bf09dd208">xrpl::detail::computeOverpaymentComponents</a></div><div class="ttdeci">ExtendedPaymentComponents computeOverpaymentComponents(Asset const &amp;asset, int32_t const loanScale, Number const &amp;overpayment, TenthBips32 const overpaymentInterestRate, TenthBips32 const overpaymentFeeRate, TenthBips16 const managementFeeRate)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l01057">LendingHelpers.cpp:1057</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a45834c9016f224c507fe46b5fb6834b9"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a45834c9016f224c507fe46b5fb6834b9">xrpl::detail::doOverpayment</a></div><div class="ttdeci">Expected&lt; LoanPaymentParts, TER &gt; doOverpayment(Asset const &amp;asset, std::int32_t loanScale, ExtendedPaymentComponents const &amp;overpaymentComponents, NumberProxy &amp;totalValueOutstandingProxy, NumberProxy &amp;principalOutstandingProxy, NumberProxy &amp;managementFeeOutstandingProxy, NumberProxy &amp;periodicPaymentProxy, Number const &amp;periodicRate, std::uint32_t const paymentRemaining, TenthBips16 const managementFeeRate, beast::Journal j)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00525">LendingHelpers.cpp:525</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a5143b712974ff58f23a5b68454533145"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a5143b712974ff58f23a5b68454533145">xrpl::detail::computeLatePayment</a></div><div class="ttdeci">Expected&lt; ExtendedPaymentComponents, TER &gt; computeLatePayment(Asset const &amp;asset, ApplyView const &amp;view, Number const &amp;principalOutstanding, std::int32_t nextDueDate, ExtendedPaymentComponents const &amp;periodic, TenthBips32 lateInterestRate, std::int32_t loanScale, Number const &amp;latePaymentFee, STAmount const &amp;amount, TenthBips16 managementFeeRate, beast::Journal j)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00640">LendingHelpers.cpp:640</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a68244c94afe5c9e0a34aed3ff10e1225"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a68244c94afe5c9e0a34aed3ff10e1225">xrpl::detail::loanAccruedInterest</a></div><div class="ttdeci">Number loanAccruedInterest(Number const &amp;principalOutstanding, Number const &amp;periodicRate, NetClock::time_point parentCloseTime, std::uint32_t startDate, std::uint32_t prevPaymentDate, std::uint32_t paymentInterval)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00203">LendingHelpers.cpp:203</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a74526fc90ae53e8e61d94db5bf7327e9"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a74526fc90ae53e8e61d94db5bf7327e9">xrpl::detail::computeInterestAndFeeParts</a></div><div class="ttdeci">std::pair&lt; Number, Number &gt; computeInterestAndFeeParts(Asset const &amp;asset, Number const &amp;interest, TenthBips16 managementFeeRate, std::int32_t loanScale)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00153">LendingHelpers.cpp:153</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a74c45da413598f6093a963c624b14bec"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a74c45da413598f6093a963c624b14bec">xrpl::detail::loanLatePaymentInterest</a></div><div class="ttdeci">Number loanLatePaymentInterest(Number const &amp;principalOutstanding, TenthBips32 lateInterestRate, NetClock::time_point parentCloseTime, std::uint32_t nextPaymentDueDate)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00170">LendingHelpers.cpp:170</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a854dd19e0480b5ce3c9a4de7237c84e8"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a854dd19e0480b5ce3c9a4de7237c84e8">xrpl::detail::computePaymentFactor</a></div><div class="ttdeci">Number computePaymentFactor(Number const &amp;periodicRate, std::uint32_t paymentsRemaining)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00095">LendingHelpers.cpp:95</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_a9cb3bfa78dfb3083bb2592e519aa1fc2"><div class="ttname"><a href="namespacexrpl_1_1detail.html#a9cb3bfa78dfb3083bb2592e519aa1fc2">xrpl::detail::loanPrincipalFromPeriodicPayment</a></div><div class="ttdeci">Number loanPrincipalFromPeriodicPayment(Number const &amp;periodicPayment, Number const &amp;periodicRate, std::uint32_t paymentsRemaining)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00133">LendingHelpers.cpp:133</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_aca6e0314d2254e8552eaf0c0117c49e3"><div class="ttname"><a href="namespacexrpl_1_1detail.html#aca6e0314d2254e8552eaf0c0117c49e3">xrpl::detail::tryOverpayment</a></div><div class="ttdeci">Expected&lt; std::pair&lt; LoanPaymentParts, LoanProperties &gt;, TER &gt; tryOverpayment(Asset const &amp;asset, std::int32_t loanScale, ExtendedPaymentComponents const &amp;overpaymentComponents, LoanState const &amp;roundedOldState, Number const &amp;periodicPayment, Number const &amp;periodicRate, std::uint32_t paymentRemaining, TenthBips16 const managementFeeRate, beast::Journal j)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00361">LendingHelpers.cpp:361</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1detail_html_af70ce6e662a17de27fef50564a4a8944"><div class="ttname"><a href="namespacexrpl_1_1detail.html#af70ce6e662a17de27fef50564a4a8944">xrpl::detail::doPayment</a></div><div class="ttdeci">LoanPaymentParts doPayment(ExtendedPaymentComponents const &amp;payment, NumberProxy &amp;totalValueOutstandingProxy, NumberProxy &amp;principalOutstandingProxy, NumberProxy &amp;managementFeeOutstandingProxy, UInt32Proxy &amp;paymentRemainingProxy, UInt32Proxy &amp;prevPaymentDateProxy, UInt32OptionalProxy &amp;nextDueDateProxy, std::uint32_t paymentInterval)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00245">LendingHelpers.cpp:245</a></div></div>
<div class="ttc" id="anamespacexrpl_html"><div class="ttname"><a href="namespacexrpl.html">xrpl</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition</b> <a href="algorithm_8h_source.html#l00006">algorithm.h:6</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a0ff65dbec299f5ffe3cc3e46822b54b1"><div class="ttname"><a href="namespacexrpl.html#a0ff65dbec299f5ffe3cc3e46822b54b1">xrpl::loanPeriodicRate</a></div><div class="ttdeci">Number loanPeriodicRate(TenthBips32 interestRate, std::uint32_t paymentInterval)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00050">LendingHelpers.cpp:50</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a18040b3096f725088b176428273a6e6c"><div class="ttname"><a href="namespacexrpl.html#a18040b3096f725088b176428273a6e6c">xrpl::LoanPaymentType</a></div><div class="ttdeci">LoanPaymentType</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00456">LendingHelpers.h:456</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9"><div class="ttname"><a href="namespacexrpl.html#a18040b3096f725088b176428273a6e6ca0b5398b7cf60888ad8de87df87e7c1e9">xrpl::LoanPaymentType::overpayment</a></div><div class="ttdeci">@ overpayment</div></div>
<div class="ttc" id="anamespacexrpl_html_a18040b3096f725088b176428273a6e6caaf37d08ae228a87dc6b265fd1019c97d"><div class="ttname"><a href="namespacexrpl.html#a18040b3096f725088b176428273a6e6caaf37d08ae228a87dc6b265fd1019c97d">xrpl::LoanPaymentType::regular</a></div><div class="ttdeci">@ regular</div></div>
<div class="ttc" id="anamespacexrpl_html_a18040b3096f725088b176428273a6e6cae9dc924f238fa6cc29465942875fe8f0"><div class="ttname"><a href="namespacexrpl.html#a18040b3096f725088b176428273a6e6cae9dc924f238fa6cc29465942875fe8f0">xrpl::LoanPaymentType::full</a></div><div class="ttdeci">@ full</div></div>
<div class="ttc" id="anamespacexrpl_html_a18040b3096f725088b176428273a6e6caf2c67381db28fa11c59fe7a6df0f2587"><div class="ttname"><a href="namespacexrpl.html#a18040b3096f725088b176428273a6e6caf2c67381db28fa11c59fe7a6df0f2587">xrpl::LoanPaymentType::late</a></div><div class="ttdeci">@ late</div></div>
<div class="ttc" id="anamespacexrpl_html_a214a68fa4b462cf05138d87a9806bd06"><div class="ttname"><a href="namespacexrpl.html#a214a68fa4b462cf05138d87a9806bd06">xrpl::computeManagementFee</a></div><div class="ttdeci">Number computeManagementFee(Asset const &amp;asset, Number const &amp;value, TenthBips32 managementFeeRate, std::int32_t scale)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l01365">LendingHelpers.cpp:1365</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a2ad07fee9dccb808b0ea4d63c933b138"><div class="ttname"><a href="namespacexrpl.html#a2ad07fee9dccb808b0ea4d63c933b138">xrpl::operator+</a></div><div class="ttdeci">constexpr base_uint&lt; Bits, Tag &gt; operator+(base_uint&lt; Bits, Tag &gt; const &amp;a, base_uint&lt; Bits, Tag &gt; const &amp;b)</div><div class="ttdef"><b>Definition</b> <a href="base__uint_8h_source.html#l00590">base_uint.h:590</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a341da9ace25260efeda15c921f1dbf90"><div class="ttname"><a href="namespacexrpl.html#a341da9ace25260efeda15c921f1dbf90">xrpl::operator-</a></div><div class="ttdeci">Number operator-(Number const &amp;x, Number const &amp;y)</div><div class="ttdef"><b>Definition</b> <a href="Number_8h_source.html#l00639">Number.h:639</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a37264e625a18dabd56787db7fedd5e75"><div class="ttname"><a href="namespacexrpl.html#a37264e625a18dabd56787db7fedd5e75">xrpl::numZero</a></div><div class="ttdeci">static constexpr Number numZero</div><div class="ttdef"><b>Definition</b> <a href="Number_8h_source.html#l00516">Number.h:516</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a3f56d997a36633a10ca0f17c86113f56"><div class="ttname"><a href="namespacexrpl.html#a3f56d997a36633a10ca0f17c86113f56">xrpl::tenthBipsOfValue</a></div><div class="ttdeci">constexpr T tenthBipsOfValue(T value, TenthBips&lt; TBips &gt; bips)</div><div class="ttdef"><b>Definition</b> <a href="Protocol_8h_source.html#l00108">Protocol.h:108</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a40c90ebb8451681b42b277806fe0b9f4"><div class="ttname"><a href="namespacexrpl.html#a40c90ebb8451681b42b277806fe0b9f4">xrpl::hasExpired</a></div><div class="ttdeci">bool hasExpired(ReadView const &amp;view, std::optional&lt; std::uint32_t &gt; const &amp;exp)</div><div class="ttdoc">Determines whether the given expiration time has passed.</div><div class="ttdef"><b>Definition</b> <a href="View_8cpp_source.html#l00129">View.cpp:129</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a4c0d6c5117eb6c71f933532d1a216f7b"><div class="ttname"><a href="namespacexrpl.html#a4c0d6c5117eb6c71f933532d1a216f7b">xrpl::checkLendingProtocolDependencies</a></div><div class="ttdeci">bool checkLendingProtocolDependencies(PreflightContext const &amp;ctx)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00008">LendingHelpers.cpp:8</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a51ae455751dbb43d284de10584418214"><div class="ttname"><a href="namespacexrpl.html#a51ae455751dbb43d284de10584418214">xrpl::secondsInYear</a></div><div class="ttdeci">static constexpr std::uint32_t secondsInYear</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00015">LendingHelpers.h:15</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a5405a03459935d24ab27d4a0b9c5afc6"><div class="ttname"><a href="namespacexrpl.html#a5405a03459935d24ab27d4a0b9c5afc6">xrpl::computeTheoreticalLoanState</a></div><div class="ttdeci">LoanState computeTheoreticalLoanState(Number const &amp;periodicPayment, Number const &amp;periodicRate, std::uint32_t const paymentRemaining, TenthBips32 const managementFeeRate)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l01282">LendingHelpers.cpp:1282</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a5dcb604ca5c6c6fdde47b8d7c20bec54"><div class="ttname"><a href="namespacexrpl.html#a5dcb604ca5c6c6fdde47b8d7c20bec54">xrpl::power</a></div><div class="ttdeci">Number power(Number const &amp;f, unsigned n)</div><div class="ttdef"><b>Definition</b> <a href="Number_8cpp_source.html#l00915">Number.cpp:915</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a7808b36d8f2224062a27cd2a84250604"><div class="ttname"><a href="namespacexrpl.html#a7808b36d8f2224062a27cd2a84250604">xrpl::checkLoanGuards</a></div><div class="ttdeci">TER checkLoanGuards(Asset const &amp;vaultAsset, Number const &amp;principalRequested, bool expectInterest, std::uint32_t paymentTotal, LoanProperties const &amp;properties, beast::Journal j)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l01150">LendingHelpers.cpp:1150</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a89ce254d202a943d2f5bad19d88787a5"><div class="ttname"><a href="namespacexrpl.html#a89ce254d202a943d2f5bad19d88787a5">xrpl::TER</a></div><div class="ttdeci">TERSubset&lt; CanCvtToTER &gt; TER</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00621">TER.h:621</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aaf7b8008f440919861328f902c97dbdf"><div class="ttname"><a href="namespacexrpl.html#aaf7b8008f440919861328f902c97dbdf">xrpl::loanMakePayment</a></div><div class="ttdeci">Expected&lt; LoanPaymentParts, TER &gt; loanMakePayment(Asset const &amp;asset, ApplyView &amp;view, SLE::ref loan, SLE::const_ref brokerSle, STAmount const &amp;amount, LoanPaymentType const paymentType, beast::Journal j)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l01481">LendingHelpers.cpp:1481</a></div></div>
<div class="ttc" id="anamespacexrpl_html_abb5eaa2827981084acce180d255881b1"><div class="ttname"><a href="namespacexrpl.html#abb5eaa2827981084acce180d255881b1">xrpl::roundToAsset</a></div><div class="ttdeci">void roundToAsset(A const &amp;asset, Number &amp;value)</div><div class="ttdoc">Round an arbitrary precision Number IN PLACE to the precision of a given Asset.</div><div class="ttdef"><b>Definition</b> <a href="STAmount_8h_source.html#l00675">STAmount.h:675</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ac29d2e6cda0723b2ca1f1cdc06fe3965"><div class="ttname"><a href="namespacexrpl.html#ac29d2e6cda0723b2ca1f1cdc06fe3965">xrpl::roundPeriodicPayment</a></div><div class="ttdeci">Number roundPeriodicPayment(Asset const &amp;asset, Number const &amp;periodicPayment, std::int32_t scale)</div><div class="ttdoc">Ensure the periodic payment is always rounded consistently.</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00022">LendingHelpers.h:22</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ac8b129bcfda287e4cf8286e544af7242"><div class="ttname"><a href="namespacexrpl.html#ac8b129bcfda287e4cf8286e544af7242">xrpl::constructRoundedLoanState</a></div><div class="ttdeci">LoanState constructRoundedLoanState(SLE::const_ref loan)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l01352">LendingHelpers.cpp:1352</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ad78c115958eec639754bf9227f58556ba6869daf531ae5878c65a5095f103ce62"><div class="ttname"><a href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba6869daf531ae5878c65a5095f103ce62">xrpl::tecINTERNAL</a></div><div class="ttdeci">@ tecINTERNAL</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00292">TER.h:292</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ad78c115958eec639754bf9227f58556ba7d6f804411ab68ae086c8933e905b96e"><div class="ttname"><a href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba7d6f804411ab68ae086c8933e905b96e">xrpl::tecTOO_SOON</a></div><div class="ttdeci">@ tecTOO_SOON</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00300">TER.h:300</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ad78c115958eec639754bf9227f58556ba918da89b83f3c6bee3153574bd6e718a"><div class="ttname"><a href="namespacexrpl.html#ad78c115958eec639754bf9227f58556ba918da89b83f3c6bee3153574bd6e718a">xrpl::tecEXPIRED</a></div><div class="ttdeci">@ tecEXPIRED</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00296">TER.h:296</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ad78c115958eec639754bf9227f58556bac9a52c5d52a9c9501a3c8c37746fb509"><div class="ttname"><a href="namespacexrpl.html#ad78c115958eec639754bf9227f58556bac9a52c5d52a9c9501a3c8c37746fb509">xrpl::tecPRECISION_LOSS</a></div><div class="ttdeci">@ tecPRECISION_LOSS</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00345">TER.h:345</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ad78c115958eec639754bf9227f58556bad7d421519cd6967c3f800367554f8391"><div class="ttname"><a href="namespacexrpl.html#ad78c115958eec639754bf9227f58556bad7d421519cd6967c3f800367554f8391">xrpl::tecKILLED</a></div><div class="ttdeci">@ tecKILLED</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00298">TER.h:298</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ad78c115958eec639754bf9227f58556baffcaa48f78bf349ec4434b2351577362"><div class="ttname"><a href="namespacexrpl.html#ad78c115958eec639754bf9227f58556baffcaa48f78bf349ec4434b2351577362">xrpl::tecINSUFFICIENT_PAYMENT</a></div><div class="ttdeci">@ tecINSUFFICIENT_PAYMENT</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00309">TER.h:309</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ada4805619214865518ed8c0b54a71bc1a445ecc250b4e81d24d1bf9b1ba9c8455"><div class="ttname"><a href="namespacexrpl.html#ada4805619214865518ed8c0b54a71bc1a445ecc250b4e81d24d1bf9b1ba9c8455">xrpl::lsfLoanOverpayment</a></div><div class="ttdeci">@ lsfLoanOverpayment</div><div class="ttdef"><b>Definition</b> <a href="LedgerFormats_8h_source.html#l00193">LedgerFormats.h:193</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aeb1403000c2c2a5c8fa065d22f7cbcaf"><div class="ttname"><a href="namespacexrpl.html#aeb1403000c2c2a5c8fa065d22f7cbcaf">xrpl::computeLoanProperties</a></div><div class="ttdeci">LoanProperties computeLoanProperties(Asset const &amp;asset, Number const &amp;principalOutstanding, TenthBips32 interestRate, std::uint32_t paymentInterval, std::uint32_t paymentsRemaining, TenthBips32 managementFeeRate, std::int32_t minimumScale)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l01379">LendingHelpers.cpp:1379</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aeb5f98fcbd289260f4848cbf266400a4"><div class="ttname"><a href="namespacexrpl.html#aeb5f98fcbd289260f4848cbf266400a4">xrpl::constructLoanState</a></div><div class="ttdeci">LoanState constructLoanState(Number const &amp;totalValueOutstanding, Number const &amp;principalOutstanding, Number const &amp;managementFeeOutstanding)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l01337">LendingHelpers.cpp:1337</a></div></div>
<div class="ttc" id="anamespacexrpl_html_af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976"><div class="ttname"><a href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">xrpl::tesSUCCESS</a></div><div class="ttdeci">@ tesSUCCESS</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00227">TER.h:226</a></div></div>
<div class="ttc" id="anamespacexrpl_html_af74cf647690ab5cdb695b5edf8c75a91"><div class="ttname"><a href="namespacexrpl.html#af74cf647690ab5cdb695b5edf8c75a91">xrpl::computeFullPaymentInterest</a></div><div class="ttdeci">Number computeFullPaymentInterest(Number const &amp;theoreticalPrincipalOutstanding, Number const &amp;periodicRate, NetClock::time_point parentCloseTime, std::uint32_t paymentInterval, std::uint32_t prevPaymentDate, std::uint32_t startDate, TenthBips32 closeInterestRate)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l01229">LendingHelpers.cpp:1229</a></div></div>
<div class="ttc" id="anamespacexrpl_html_affa56ad2d5b3ae1fe81c8f090a778915"><div class="ttname"><a href="namespacexrpl.html#affa56ad2d5b3ae1fe81c8f090a778915">xrpl::isRounded</a></div><div class="ttdeci">bool isRounded(Asset const &amp;asset, Number const &amp;value, std::int32_t scale)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00061">LendingHelpers.cpp:61</a></div></div>
<div class="ttc" id="apair_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair</a></div></div>
<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a></div></div>
<div class="ttc" id="asize_t_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanPaymentParts_html"><div class="ttname"><a href="structxrpl_1_1LoanPaymentParts.html">xrpl::LoanPaymentParts</a></div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00042">LendingHelpers.h:43</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanPaymentParts_html_a0b1c96a36be3be16c157fa3fabec530d"><div class="ttname"><a href="structxrpl_1_1LoanPaymentParts.html#a0b1c96a36be3be16c157fa3fabec530d">xrpl::LoanPaymentParts::operator==</a></div><div class="ttdeci">bool operator==(LoanPaymentParts const &amp;other) const</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00038">LendingHelpers.cpp:38</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanPaymentParts_html_a1b52273c7ca5cc424b7f536913084e12"><div class="ttname"><a href="structxrpl_1_1LoanPaymentParts.html#a1b52273c7ca5cc424b7f536913084e12">xrpl::LoanPaymentParts::principalPaid</a></div><div class="ttdeci">Number principalPaid</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00047">LendingHelpers.h:47</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanPaymentParts_html_a81139aabea5381eea2f9e0f10af4102e"><div class="ttname"><a href="structxrpl_1_1LoanPaymentParts.html#a81139aabea5381eea2f9e0f10af4102e">xrpl::LoanPaymentParts::operator+=</a></div><div class="ttdeci">LoanPaymentParts &amp; operator+=(LoanPaymentParts const &amp;other)</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00014">LendingHelpers.cpp:14</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanPaymentParts_html_a83958ab4c0e194a9d44563bce3a17af1"><div class="ttname"><a href="structxrpl_1_1LoanPaymentParts.html#a83958ab4c0e194a9d44563bce3a17af1">xrpl::LoanPaymentParts::feePaid</a></div><div class="ttdeci">Number feePaid</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00075">LendingHelpers.h:75</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanPaymentParts_html_a8d817008ebab20e53761a859c446456b"><div class="ttname"><a href="structxrpl_1_1LoanPaymentParts.html#a8d817008ebab20e53761a859c446456b">xrpl::LoanPaymentParts::interestPaid</a></div><div class="ttdeci">Number interestPaid</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00054">LendingHelpers.h:54</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanPaymentParts_html_aa6b19b9340823f7d1acc180a311a002e"><div class="ttname"><a href="structxrpl_1_1LoanPaymentParts.html#aa6b19b9340823f7d1acc180a311a002e">xrpl::LoanPaymentParts::valueChange</a></div><div class="ttdeci">Number valueChange</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00067">LendingHelpers.h:67</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanProperties_html"><div class="ttname"><a href="structxrpl_1_1LoanProperties.html">xrpl::LoanProperties</a></div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00129">LendingHelpers.h:130</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanProperties_html_a593af148c207da78f732bf54189e5bea"><div class="ttname"><a href="structxrpl_1_1LoanProperties.html#a593af148c207da78f732bf54189e5bea">xrpl::LoanProperties::loanScale</a></div><div class="ttdeci">std::int32_t loanScale</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00147">LendingHelpers.h:147</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanProperties_html_ad210ce21f156d44931d20e6d02578438"><div class="ttname"><a href="structxrpl_1_1LoanProperties.html#ad210ce21f156d44931d20e6d02578438">xrpl::LoanProperties::firstPaymentPrincipal</a></div><div class="ttdeci">Number firstPaymentPrincipal</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00150">LendingHelpers.h:150</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanProperties_html_aed09020f5c670b399dc368072646008e"><div class="ttname"><a href="structxrpl_1_1LoanProperties.html#aed09020f5c670b399dc368072646008e">xrpl::LoanProperties::loanState</a></div><div class="ttdeci">LoanState loanState</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00139">LendingHelpers.h:139</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanProperties_html_af905edc20393faa1ed1489e7d6c2c0d4"><div class="ttname"><a href="structxrpl_1_1LoanProperties.html#af905edc20393faa1ed1489e7d6c2c0d4">xrpl::LoanProperties::periodicPayment</a></div><div class="ttdeci">Number periodicPayment</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00136">LendingHelpers.h:136</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanState_html"><div class="ttname"><a href="structxrpl_1_1LoanState.html">xrpl::LoanState</a></div><div class="ttdoc">This structure captures the parts of a loan state.</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00095">LendingHelpers.h:96</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanState_html_a1f506c760e69ff48dced9856ee212ffd"><div class="ttname"><a href="structxrpl_1_1LoanState.html#a1f506c760e69ff48dced9856ee212ffd">xrpl::LoanState::principalOutstanding</a></div><div class="ttdeci">Number principalOutstanding</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00100">LendingHelpers.h:100</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanState_html_a5ee505459016c306e674fb26b4f031ac"><div class="ttname"><a href="structxrpl_1_1LoanState.html#a5ee505459016c306e674fb26b4f031ac">xrpl::LoanState::valueOutstanding</a></div><div class="ttdeci">Number valueOutstanding</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00098">LendingHelpers.h:98</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanState_html_ace2969cf6a9c612aec8512c4312722e3"><div class="ttname"><a href="structxrpl_1_1LoanState.html#ace2969cf6a9c612aec8512c4312722e3">xrpl::LoanState::interestDue</a></div><div class="ttdeci">Number interestDue</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00103">LendingHelpers.h:103</a></div></div>
<div class="ttc" id="astructxrpl_1_1LoanState_html_ae0ba86a40394a2d7ce4474945b724c02"><div class="ttname"><a href="structxrpl_1_1LoanState.html#ae0ba86a40394a2d7ce4474945b724c02">xrpl::LoanState::managementFeeDue</a></div><div class="ttdeci">Number managementFeeDue</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00106">LendingHelpers.h:106</a></div></div>
<div class="ttc" id="astructxrpl_1_1PreflightContext_html"><div class="ttname"><a href="structxrpl_1_1PreflightContext.html">xrpl::PreflightContext</a></div><div class="ttdoc">State information when preflighting a tx.</div><div class="ttdef"><b>Definition</b> <a href="Transactor_8h_source.html#l00015">Transactor.h:16</a></div></div>
<div class="ttc" id="astructxrpl_1_1PreflightContext_html_a6e83913718094997961f09967d767561"><div class="ttname"><a href="structxrpl_1_1PreflightContext.html#a6e83913718094997961f09967d767561">xrpl::PreflightContext::rules</a></div><div class="ttdeci">Rules const rules</div><div class="ttdef"><b>Definition</b> <a href="Transactor_8h_source.html#l00020">Transactor.h:20</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1ExtendedPaymentComponents_html"><div class="ttname"><a href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html">xrpl::detail::ExtendedPaymentComponents</a></div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00283">LendingHelpers.h:284</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1ExtendedPaymentComponents_html_a74531324820f03f086d012cb4ea51701"><div class="ttname"><a href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#a74531324820f03f086d012cb4ea51701">xrpl::detail::ExtendedPaymentComponents::totalDue</a></div><div class="ttdeci">Number totalDue</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00305">LendingHelpers.h:305</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1ExtendedPaymentComponents_html_a80359a52a00dae26b58593b757114f60"><div class="ttname"><a href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#a80359a52a00dae26b58593b757114f60">xrpl::detail::ExtendedPaymentComponents::untrackedManagementFee</a></div><div class="ttdeci">Number untrackedManagementFee</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00290">LendingHelpers.h:290</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1ExtendedPaymentComponents_html_aa9a5440887f0298b8b5850b2bb46439c"><div class="ttname"><a href="structxrpl_1_1detail_1_1ExtendedPaymentComponents.html#aa9a5440887f0298b8b5850b2bb46439c">xrpl::detail::ExtendedPaymentComponents::untrackedInterest</a></div><div class="ttdeci">Number untrackedInterest</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00297">LendingHelpers.h:297</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1LoanStateDeltas_html"><div class="ttname"><a href="structxrpl_1_1detail_1_1LoanStateDeltas.html">xrpl::detail::LoanStateDeltas</a></div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00323">LendingHelpers.h:324</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1LoanStateDeltas_html_a377edf644d144dac8ae69bd4ba930223"><div class="ttname"><a href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a377edf644d144dac8ae69bd4ba930223">xrpl::detail::LoanStateDeltas::principal</a></div><div class="ttdeci">Number principal</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00326">LendingHelpers.h:326</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1LoanStateDeltas_html_a51d176ce3ff10b6d88741410a20ae028"><div class="ttname"><a href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a51d176ce3ff10b6d88741410a20ae028">xrpl::detail::LoanStateDeltas::nonNegative</a></div><div class="ttdeci">void nonNegative()</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00069">LendingHelpers.cpp:69</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1LoanStateDeltas_html_a954f93333195a87448f2672f5c1e4321"><div class="ttname"><a href="structxrpl_1_1detail_1_1LoanStateDeltas.html#a954f93333195a87448f2672f5c1e4321">xrpl::detail::LoanStateDeltas::total</a></div><div class="ttdeci">Number total() const</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00338">LendingHelpers.h:338</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1LoanStateDeltas_html_aaedef3ae0d90d921b1db94fea7da844a"><div class="ttname"><a href="structxrpl_1_1detail_1_1LoanStateDeltas.html#aaedef3ae0d90d921b1db94fea7da844a">xrpl::detail::LoanStateDeltas::interest</a></div><div class="ttdeci">Number interest</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00329">LendingHelpers.h:329</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1LoanStateDeltas_html_af2847e11912feb8a9509d2002bc194ba"><div class="ttname"><a href="structxrpl_1_1detail_1_1LoanStateDeltas.html#af2847e11912feb8a9509d2002bc194ba">xrpl::detail::LoanStateDeltas::managementFee</a></div><div class="ttdeci">Number managementFee</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00332">LendingHelpers.h:332</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1PaymentComponents_html"><div class="ttname"><a href="structxrpl_1_1detail_1_1PaymentComponents.html">xrpl::detail::PaymentComponents</a></div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00230">LendingHelpers.h:231</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1PaymentComponents_html_a43a36a66285793a8a288a9f601eb9a0d"><div class="ttname"><a href="structxrpl_1_1detail_1_1PaymentComponents.html#a43a36a66285793a8a288a9f601eb9a0d">xrpl::detail::PaymentComponents::trackedPrincipalDelta</a></div><div class="ttdeci">Number trackedPrincipalDelta</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00242">LendingHelpers.h:242</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1PaymentComponents_html_a7e666983b5e6c287dd1163db8c65ad15"><div class="ttname"><a href="structxrpl_1_1detail_1_1PaymentComponents.html#a7e666983b5e6c287dd1163db8c65ad15">xrpl::detail::PaymentComponents::specialCase</a></div><div class="ttdeci">PaymentSpecialCase specialCase</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00255">LendingHelpers.h:255</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1PaymentComponents_html_a9902022d53c3cc1c11ab674f691a66ea"><div class="ttname"><a href="structxrpl_1_1detail_1_1PaymentComponents.html#a9902022d53c3cc1c11ab674f691a66ea">xrpl::detail::PaymentComponents::trackedManagementFeeDelta</a></div><div class="ttdeci">Number trackedManagementFeeDelta</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00249">LendingHelpers.h:249</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1PaymentComponents_html_aa30fd60dc48a49282dc44785618f0575"><div class="ttname"><a href="structxrpl_1_1detail_1_1PaymentComponents.html#aa30fd60dc48a49282dc44785618f0575">xrpl::detail::PaymentComponents::trackedInterestPart</a></div><div class="ttdeci">Number trackedInterestPart() const</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8cpp_source.html#l00835">LendingHelpers.cpp:835</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1PaymentComponents_html_aaf147e388219822ba1e3c385e95252c2"><div class="ttname"><a href="structxrpl_1_1detail_1_1PaymentComponents.html#aaf147e388219822ba1e3c385e95252c2">xrpl::detail::PaymentComponents::trackedValueDelta</a></div><div class="ttdeci">Number trackedValueDelta</div><div class="ttdef"><b>Definition</b> <a href="LendingHelpers_8h_source.html#l00236">LendingHelpers.h:236</a></div></div>
<div class="ttc" id="atime_point_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/chrono/time_point.html">std::chrono::time_point</a></div></div>
<div class="ttc" id="atime_since_epoch_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/chrono/time_point/time_since_epoch.html">std::chrono::time_point::time_since_epoch</a></div><div class="ttdeci">T time_since_epoch(T... args)</div></div>
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