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<li class="navelem"><a class="el" href="dir_90ffdbabf412cfdffe6b2193e0ce938a.html">libxrpl</a></li><li class="navelem"><a class="el" href="dir_4cb643486f27a568a0d40f174f670f35.html">protocol</a></li> </ul>
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<div class="headertitle"><div class="title">AMMCore.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;xrpl/basics/base_uint.h&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#include &lt;xrpl/beast/utility/Zero.h&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include &lt;xrpl/beast/utility/instrumentation.h&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;xrpl/protocol/AMMCore.h&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &lt;xrpl/protocol/AccountID.h&gt;</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;xrpl/protocol/Feature.h&gt;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &lt;xrpl/protocol/Issue.h&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &lt;xrpl/protocol/Rules.h&gt;</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include &lt;xrpl/protocol/SField.h&gt;</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &lt;xrpl/protocol/STAmount.h&gt;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &lt;xrpl/protocol/STObject.h&gt;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;xrpl/protocol/TER.h&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &lt;xrpl/protocol/UintTypes.h&gt;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;xrpl/protocol/digest.h&gt;</span></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><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a>&gt;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a>&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a>&gt;</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/utility.html">utility</a>&gt;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><a class="code hl_typedef" href="namespaceripple.html#a8792cc3f99463ceba4e96dde34fe17a4">Currency</a></div>
<div class="foldopen" id="foldopen00024" data-start="{" data-end="}">
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"><a class="line" href="namespaceripple.html#a2e120e21ebcb5778e7ead49555f5297f"> 24</a></span><a class="code hl_function" href="namespaceripple.html#a2e120e21ebcb5778e7ead49555f5297f">ammLPTCurrency</a>(<a class="code hl_class" href="classripple_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp; cur1, <a class="code hl_class" href="classripple_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp; cur2)</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span>{</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// AMM LPToken is 0x03 plus 19 bytes of the hash</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a> <span class="keyword">constexpr</span> AMMCurrencyCode = 0x03;</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">auto</span> <span class="keyword">const</span> [minC, maxC] = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/minmax.html">std::minmax</a>(cur1, cur2);</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">auto</span> <span class="keyword">const</span> hash = <a class="code hl_function" href="namespaceripple.html#ae3f5bc352766a1a8dbf5270eb7dbc2e7">sha512Half</a>(minC, maxC);</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <a class="code hl_class" href="classripple_1_1base__uint.html">Currency</a> currency;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> *currency.<a class="code hl_function" href="classripple_1_1base__uint.html#a2ffd09234d574e5554c5d84199a9f287">begin</a>() = AMMCurrencyCode;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a>(</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> hash.begin(), hash.begin() + currency.<a class="code hl_function" href="classripple_1_1base__uint.html#a64d93405f8d7ba89f0a406b32015758f">size</a>() - 1, currency.<a class="code hl_function" href="classripple_1_1base__uint.html#a2ffd09234d574e5554c5d84199a9f287">begin</a>() + 1);</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keywordflow">return</span> currency;</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>Issue</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="namespaceripple.html#a5e068ce58638111534101573085f71a2"> 38</a></span><a class="code hl_function" href="namespaceripple.html#a5e068ce58638111534101573085f71a2">ammLPTIssue</a>(</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <a class="code hl_class" href="classripple_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp; cur1,</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <a class="code hl_class" href="classripple_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp; cur2,</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <a class="code hl_class" href="classripple_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; ammAccountID)</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>{</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a>(<a class="code hl_function" href="namespaceripple.html#a2e120e21ebcb5778e7ead49555f5297f">ammLPTCurrency</a>(cur1, cur2), ammAccountID);</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>}</div>
</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><a class="code hl_typedef" href="namespaceripple.html#af99ba2263d2a1e29207c40a35fc9f6b3">NotTEC</a></div>
<div class="foldopen" id="foldopen00047" data-start="{" data-end="}">
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="namespaceripple.html#a24c6e746a89df3d7e0d51db772e8545a"> 47</a></span><a class="code hl_function" href="namespaceripple.html#a24c6e746a89df3d7e0d51db772e8545a">invalidAMMAsset</a>(</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; issue,</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional</a>&lt;<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;Issue, Issue&gt;</a>&gt; <span class="keyword">const</span>&amp; pair)</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span>{</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceripple.html#a0d78fe5b5eff36774b5be525cbcc3972">badCurrency</a>() == issue.<a class="code hl_variable" href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">currency</a>)</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a47ebc45c5ddd8a242d47c055bec0de63">temBAD_CURRENCY</a>;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">isXRP</a>(issue) &amp;&amp; issue.<a class="code hl_variable" href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">account</a>.<a class="code hl_function" href="classripple_1_1base__uint.html#ad2bffc75e554b89befbb9388e07392c0">isNonZero</a>())</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a02872f8cb2a55f507f839f28918933f0">temBAD_ISSUER</a>;</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">if</span> (pair &amp;&amp; issue != pair-&gt;first &amp;&amp; issue != pair-&gt;second)</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a8eb12fd6bc0d12423fb855b14864acb4">temBAD_AMM_TOKENS</a>;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span>}</div>
</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><a class="code hl_typedef" href="namespaceripple.html#af99ba2263d2a1e29207c40a35fc9f6b3">NotTEC</a></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="namespaceripple.html#aac3db9cd7b81ce8bd1ebf45435f0909b"> 61</a></span><a class="code hl_function" href="namespaceripple.html#aac3db9cd7b81ce8bd1ebf45435f0909b">invalidAMMAssetPair</a>(</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; issue1,</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <a class="code hl_class" href="classripple_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; issue2,</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional</a>&lt;<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;Issue, Issue&gt;</a>&gt; <span class="keyword">const</span>&amp; pair)</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="keywordflow">if</span> (issue1 == issue2)</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a8eb12fd6bc0d12423fb855b14864acb4">temBAD_AMM_TOKENS</a>;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> res = <a class="code hl_function" href="namespaceripple.html#a24c6e746a89df3d7e0d51db772e8545a">invalidAMMAsset</a>(issue1, pair))</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> res = <a class="code hl_function" href="namespaceripple.html#a24c6e746a89df3d7e0d51db772e8545a">invalidAMMAsset</a>(issue2, pair))</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>}</div>
</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><a class="code hl_typedef" href="namespaceripple.html#af99ba2263d2a1e29207c40a35fc9f6b3">NotTEC</a></div>
<div class="foldopen" id="foldopen00076" data-start="{" data-end="}">
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"><a class="line" href="namespaceripple.html#a0a4a286d1662cbca7a134981b70e65b6"> 76</a></span><a class="code hl_function" href="namespaceripple.html#a0a4a286d1662cbca7a134981b70e65b6">invalidAMMAmount</a>(</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> <span class="keyword">const</span>&amp; amount,</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional</a>&lt;<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;Issue, Issue&gt;</a>&gt; <span class="keyword">const</span>&amp; pair,</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordtype">bool</span> validZero)</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>{</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> res = <a class="code hl_function" href="namespaceripple.html#a24c6e746a89df3d7e0d51db772e8545a">invalidAMMAsset</a>(amount.<a class="code hl_function" href="classripple_1_1STAmount.html#acab76380a95d902071fd26ab3425bbe5">issue</a>(), pair))</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (amount &lt; beast::zero || (!validZero &amp;&amp; amount == beast::zero))</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a07dedb576e47ed9570e5acc5b4b1d3ea">temBAD_AMOUNT</a>;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">tesSUCCESS</a>;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span>}</div>
</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::uint8_t&gt;</a></div>
<div class="foldopen" id="foldopen00089" data-start="{" data-end="}">
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"><a class="line" href="namespaceripple.html#a23fcbb81cb52959dfbeebade68c4db18"> 89</a></span><a class="code hl_function" href="namespaceripple.html#a23fcbb81cb52959dfbeebade68c4db18">ammAuctionTimeSlot</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> <a class="code hl_enumvalue" href="namespaceripple.html#a6434c1a0fd22b77e2e4a228c0eca79eba43b5c9175984c071f30b873fdce0a000">current</a>, <a class="code hl_class" href="classripple_1_1STObject.html">STObject</a> <span class="keyword">const</span>&amp; auctionSlot)</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>{</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="comment">// It should be impossible for expiration to be &lt; TOTAL_TIME_SLOT_SECS,</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="comment">// but check just to be safe</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">auto</span> <span class="keyword">const</span> expiration = auctionSlot[sfExpiration];</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> expiration &gt;= <a class="code hl_variable" href="namespaceripple.html#a1bdde33b446d3f98ddf6f1fd92baeca7">TOTAL_TIME_SLOT_SECS</a>,</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="stringliteral">&quot;ripple::ammAuctionTimeSlot : minimum expiration&quot;</span>);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">if</span> (expiration &gt;= <a class="code hl_variable" href="namespaceripple.html#a1bdde33b446d3f98ddf6f1fd92baeca7">TOTAL_TIME_SLOT_SECS</a>)</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> {</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> start = expiration - <a class="code hl_variable" href="namespaceripple.html#a1bdde33b446d3f98ddf6f1fd92baeca7">TOTAL_TIME_SLOT_SECS</a>;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <a class="code hl_enumvalue" href="namespaceripple.html#a6434c1a0fd22b77e2e4a228c0eca79eba43b5c9175984c071f30b873fdce0a000">current</a> &gt;= start)</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> {</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> diff = <a class="code hl_enumvalue" href="namespaceripple.html#a6434c1a0fd22b77e2e4a228c0eca79eba43b5c9175984c071f30b873fdce0a000">current</a> - start; diff &lt; <a class="code hl_variable" href="namespaceripple.html#a1bdde33b446d3f98ddf6f1fd92baeca7">TOTAL_TIME_SLOT_SECS</a>)</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">return</span> diff / <a class="code hl_variable" href="namespaceripple.html#ab3ff1082024f45e95dc0352753fd0a50">AUCTION_SLOT_INTERVAL_DURATION</a>;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> }</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> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="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="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00110" data-start="{" data-end="}">
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"><a class="line" href="namespaceripple.html#a5c4fa33b0b13deab58e07744afe0f7ed"> 110</a></span><a class="code hl_function" href="namespaceripple.html#a5c4fa33b0b13deab58e07744afe0f7ed">ammEnabled</a>(<a class="code hl_class" href="classripple_1_1Rules.html">Rules</a> <span class="keyword">const</span>&amp; rules)</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span>{</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">return</span> rules.<a class="code hl_function" href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">enabled</a>(featureAMM) &amp;&amp; rules.<a class="code hl_function" href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">enabled</a>(fixUniversalNumber);</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span>}</div>
</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span>} <span class="comment">// namespace ripple</span></div>
<div class="ttc" id="aalgorithm_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a></div></div>
<div class="ttc" id="aclassripple_1_1Issue_html"><div class="ttname"><a href="classripple_1_1Issue.html">ripple::Issue</a></div><div class="ttdoc">A currency issued by an account.</div><div class="ttdef"><b>Definition</b> <a href="Issue_8h_source.html#l00013">Issue.h:14</a></div></div>
<div class="ttc" id="aclassripple_1_1Issue_html_a46e4805870b1bad6a8691bed0b8acec8"><div class="ttname"><a href="classripple_1_1Issue.html#a46e4805870b1bad6a8691bed0b8acec8">ripple::Issue::account</a></div><div class="ttdeci">AccountID account</div><div class="ttdef"><b>Definition</b> <a href="Issue_8h_source.html#l00017">Issue.h:17</a></div></div>
<div class="ttc" id="aclassripple_1_1Issue_html_a4b723aa4198e4c630e41de06586e2fe7"><div class="ttname"><a href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">ripple::Issue::currency</a></div><div class="ttdeci">Currency currency</div><div class="ttdef"><b>Definition</b> <a href="Issue_8h_source.html#l00016">Issue.h:16</a></div></div>
<div class="ttc" id="aclassripple_1_1Rules_html"><div class="ttname"><a href="classripple_1_1Rules.html">ripple::Rules</a></div><div class="ttdoc">Rules controlling protocol behavior.</div><div class="ttdef"><b>Definition</b> <a href="Rules_8h_source.html#l00018">Rules.h:19</a></div></div>
<div class="ttc" id="aclassripple_1_1Rules_html_a1a8388a2b9588aa9446ece92a88e0dd2"><div class="ttname"><a href="classripple_1_1Rules.html#a1a8388a2b9588aa9446ece92a88e0dd2">ripple::Rules::enabled</a></div><div class="ttdeci">bool enabled(uint256 const &amp;feature) const</div><div class="ttdoc">Returns true if a feature is enabled.</div><div class="ttdef"><b>Definition</b> <a href="Rules_8cpp_source.html#l00111">Rules.cpp:111</a></div></div>
<div class="ttc" id="aclassripple_1_1STAmount_html"><div class="ttname"><a href="classripple_1_1STAmount.html">ripple::STAmount</a></div><div class="ttdef"><b>Definition</b> <a href="STAmount_8h_source.html#l00030">STAmount.h:31</a></div></div>
<div class="ttc" id="aclassripple_1_1STAmount_html_acab76380a95d902071fd26ab3425bbe5"><div class="ttname"><a href="classripple_1_1STAmount.html#acab76380a95d902071fd26ab3425bbe5">ripple::STAmount::issue</a></div><div class="ttdeci">Issue const &amp; issue() const</div><div class="ttdef"><b>Definition</b> <a href="STAmount_8h_source.html#l00477">STAmount.h:477</a></div></div>
<div class="ttc" id="aclassripple_1_1STObject_html"><div class="ttname"><a href="classripple_1_1STObject.html">ripple::STObject</a></div><div class="ttdef"><b>Definition</b> <a href="STObject_8h_source.html#l00037">STObject.h:38</a></div></div>
<div class="ttc" id="aclassripple_1_1base__uint_html"><div class="ttname"><a href="classripple_1_1base__uint.html">ripple::base_uint&lt; 160, detail::CurrencyTag &gt;</a></div></div>
<div class="ttc" id="aclassripple_1_1base__uint_html_a2ffd09234d574e5554c5d84199a9f287"><div class="ttname"><a href="classripple_1_1base__uint.html#a2ffd09234d574e5554c5d84199a9f287">ripple::base_uint::begin</a></div><div class="ttdeci">iterator begin()</div><div class="ttdef"><b>Definition</b> <a href="base__uint_8h_source.html#l00117">base_uint.h:117</a></div></div>
<div class="ttc" id="aclassripple_1_1base__uint_html_a64d93405f8d7ba89f0a406b32015758f"><div class="ttname"><a href="classripple_1_1base__uint.html#a64d93405f8d7ba89f0a406b32015758f">ripple::base_uint::size</a></div><div class="ttdeci">static constexpr std::size_t size()</div><div class="ttdef"><b>Definition</b> <a href="base__uint_8h_source.html#l00507">base_uint.h:507</a></div></div>
<div class="ttc" id="aclassripple_1_1base__uint_html_ad2bffc75e554b89befbb9388e07392c0"><div class="ttname"><a href="classripple_1_1base__uint.html#ad2bffc75e554b89befbb9388e07392c0">ripple::base_uint::isNonZero</a></div><div class="ttdeci">bool isNonZero() const</div><div class="ttdef"><b>Definition</b> <a href="base__uint_8h_source.html#l00526">base_uint.h:526</a></div></div>
<div class="ttc" id="acopy_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a></div><div class="ttdeci">T copy(T... args)</div></div>
<div class="ttc" id="acstdint_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a></div></div>
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a></div></div>
<div class="ttc" id="ais_same_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/is_same.html">std::is_same_v</a></div><div class="ttdeci">T is_same_v</div></div>
<div class="ttc" id="aminmax_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/minmax.html">std::minmax</a></div><div class="ttdeci">T minmax(T... args)</div></div>
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition</b> <a href="algorithm_8h_source.html#l00006">algorithm.h:6</a></div></div>
<div class="ttc" id="anamespaceripple_html_a0a4a286d1662cbca7a134981b70e65b6"><div class="ttname"><a href="namespaceripple.html#a0a4a286d1662cbca7a134981b70e65b6">ripple::invalidAMMAmount</a></div><div class="ttdeci">NotTEC invalidAMMAmount(STAmount const &amp;amount, std::optional&lt; std::pair&lt; Issue, Issue &gt; &gt; const &amp;pair=std::nullopt, bool validZero=false)</div><div class="ttdoc">Validate the amount.</div><div class="ttdef"><b>Definition</b> <a href="AMMCore_8cpp_source.html#l00076">AMMCore.cpp:76</a></div></div>
<div class="ttc" id="anamespaceripple_html_a0d78fe5b5eff36774b5be525cbcc3972"><div class="ttname"><a href="namespaceripple.html#a0d78fe5b5eff36774b5be525cbcc3972">ripple::badCurrency</a></div><div class="ttdeci">Currency const &amp; badCurrency()</div><div class="ttdoc">We deliberately disallow the currency that looks like &quot;XRP&quot; because too many people were using it ins...</div><div class="ttdef"><b>Definition</b> <a href="UintTypes_8cpp_source.html#l00114">UintTypes.cpp:114</a></div></div>
<div class="ttc" id="anamespaceripple_html_a1bdde33b446d3f98ddf6f1fd92baeca7"><div class="ttname"><a href="namespaceripple.html#a1bdde33b446d3f98ddf6f1fd92baeca7">ripple::TOTAL_TIME_SLOT_SECS</a></div><div class="ttdeci">std::uint32_t constexpr TOTAL_TIME_SLOT_SECS</div><div class="ttdef"><b>Definition</b> <a href="AMMCore_8h_source.html#l00015">AMMCore.h:15</a></div></div>
<div class="ttc" id="anamespaceripple_html_a20d30277b9c78756b3d14493055a307c"><div class="ttname"><a href="namespaceripple.html#a20d30277b9c78756b3d14493055a307c">ripple::isXRP</a></div><div class="ttdeci">bool isXRP(AccountID const &amp;c)</div><div class="ttdef"><b>Definition</b> <a href="AccountID_8h_source.html#l00071">AccountID.h:71</a></div></div>
<div class="ttc" id="anamespaceripple_html_a23fcbb81cb52959dfbeebade68c4db18"><div class="ttname"><a href="namespaceripple.html#a23fcbb81cb52959dfbeebade68c4db18">ripple::ammAuctionTimeSlot</a></div><div class="ttdeci">std::optional&lt; std::uint8_t &gt; ammAuctionTimeSlot(std::uint64_t current, STObject const &amp;auctionSlot)</div><div class="ttdoc">Get time slot of the auction slot.</div><div class="ttdef"><b>Definition</b> <a href="AMMCore_8cpp_source.html#l00089">AMMCore.cpp:89</a></div></div>
<div class="ttc" id="anamespaceripple_html_a24c6e746a89df3d7e0d51db772e8545a"><div class="ttname"><a href="namespaceripple.html#a24c6e746a89df3d7e0d51db772e8545a">ripple::invalidAMMAsset</a></div><div class="ttdeci">NotTEC invalidAMMAsset(Issue const &amp;issue, std::optional&lt; std::pair&lt; Issue, Issue &gt; &gt; const &amp;pair=std::nullopt)</div><div class="ttdef"><b>Definition</b> <a href="AMMCore_8cpp_source.html#l00047">AMMCore.cpp:47</a></div></div>
<div class="ttc" id="anamespaceripple_html_a2e120e21ebcb5778e7ead49555f5297f"><div class="ttname"><a href="namespaceripple.html#a2e120e21ebcb5778e7ead49555f5297f">ripple::ammLPTCurrency</a></div><div class="ttdeci">Currency ammLPTCurrency(Currency const &amp;cur1, Currency const &amp;cur2)</div><div class="ttdoc">Calculate Liquidity Provider Token (LPT) Currency.</div><div class="ttdef"><b>Definition</b> <a href="AMMCore_8cpp_source.html#l00024">AMMCore.cpp:24</a></div></div>
<div class="ttc" id="anamespaceripple_html_a5c4fa33b0b13deab58e07744afe0f7ed"><div class="ttname"><a href="namespaceripple.html#a5c4fa33b0b13deab58e07744afe0f7ed">ripple::ammEnabled</a></div><div class="ttdeci">bool ammEnabled(Rules const &amp;)</div><div class="ttdoc">Return true if required AMM amendments are enabled.</div><div class="ttdef"><b>Definition</b> <a href="AMMCore_8cpp_source.html#l00110">AMMCore.cpp:110</a></div></div>
<div class="ttc" id="anamespaceripple_html_a5e068ce58638111534101573085f71a2"><div class="ttname"><a href="namespaceripple.html#a5e068ce58638111534101573085f71a2">ripple::ammLPTIssue</a></div><div class="ttdeci">Issue ammLPTIssue(Currency const &amp;cur1, Currency const &amp;cur2, AccountID const &amp;ammAccountID)</div><div class="ttdoc">Calculate LPT Issue from AMM asset pair.</div><div class="ttdef"><b>Definition</b> <a href="AMMCore_8cpp_source.html#l00038">AMMCore.cpp:38</a></div></div>
<div class="ttc" id="anamespaceripple_html_a6434c1a0fd22b77e2e4a228c0eca79eba43b5c9175984c071f30b873fdce0a000"><div class="ttname"><a href="namespaceripple.html#a6434c1a0fd22b77e2e4a228c0eca79eba43b5c9175984c071f30b873fdce0a000">ripple::ValStatus::current</a></div><div class="ttdeci">@ current</div><div class="ttdoc">This was a new validation and was added.</div></div>
<div class="ttc" id="anamespaceripple_html_a8792cc3f99463ceba4e96dde34fe17a4"><div class="ttname"><a href="namespaceripple.html#a8792cc3f99463ceba4e96dde34fe17a4">ripple::Currency</a></div><div class="ttdeci">base_uint&lt; 160, detail::CurrencyTag &gt; Currency</div><div class="ttdoc">Currency is a hash representing a specific currency.</div><div class="ttdef"><b>Definition</b> <a href="UintTypes_8h_source.html#l00037">UintTypes.h:37</a></div></div>
<div class="ttc" id="anamespaceripple_html_aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151"><div class="ttname"><a href="namespaceripple.html#aabc7f150d5082c73116a1cd5962b434da28c7d8b3ed759d363503a05fcd59f151">ripple::tesSUCCESS</a></div><div class="ttdeci">@ tesSUCCESS</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00227">TER.h:226</a></div></div>
<div class="ttc" id="anamespaceripple_html_aac3db9cd7b81ce8bd1ebf45435f0909b"><div class="ttname"><a href="namespaceripple.html#aac3db9cd7b81ce8bd1ebf45435f0909b">ripple::invalidAMMAssetPair</a></div><div class="ttdeci">NotTEC invalidAMMAssetPair(Issue const &amp;issue1, Issue const &amp;issue2, std::optional&lt; std::pair&lt; Issue, Issue &gt; &gt; const &amp;pair=std::nullopt)</div><div class="ttdef"><b>Definition</b> <a href="AMMCore_8cpp_source.html#l00061">AMMCore.cpp:61</a></div></div>
<div class="ttc" id="anamespaceripple_html_ab3ff1082024f45e95dc0352753fd0a50"><div class="ttname"><a href="namespaceripple.html#ab3ff1082024f45e95dc0352753fd0a50">ripple::AUCTION_SLOT_INTERVAL_DURATION</a></div><div class="ttdeci">std::uint32_t constexpr AUCTION_SLOT_INTERVAL_DURATION</div><div class="ttdef"><b>Definition</b> <a href="AMMCore_8h_source.html#l00021">AMMCore.h:21</a></div></div>
<div class="ttc" id="anamespaceripple_html_ae3f5bc352766a1a8dbf5270eb7dbc2e7"><div class="ttname"><a href="namespaceripple.html#ae3f5bc352766a1a8dbf5270eb7dbc2e7">ripple::sha512Half</a></div><div class="ttdeci">sha512_half_hasher::result_type sha512Half(Args const &amp;... args)</div><div class="ttdoc">Returns the SHA512-Half of a series of objects.</div><div class="ttdef"><b>Definition</b> <a href="digest_8h_source.html#l00205">digest.h:205</a></div></div>
<div class="ttc" id="anamespaceripple_html_af99ba2263d2a1e29207c40a35fc9f6b3"><div class="ttname"><a href="namespaceripple.html#af99ba2263d2a1e29207c40a35fc9f6b3">ripple::NotTEC</a></div><div class="ttdeci">TERSubset&lt; CanCvtToNotTEC &gt; NotTEC</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00590">TER.h:590</a></div></div>
<div class="ttc" id="anamespaceripple_html_afe21c8454670d46fb93751a5edffed46a02872f8cb2a55f507f839f28918933f0"><div class="ttname"><a href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a02872f8cb2a55f507f839f28918933f0">ripple::temBAD_ISSUER</a></div><div class="ttdeci">@ temBAD_ISSUER</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00074">TER.h:74</a></div></div>
<div class="ttc" id="anamespaceripple_html_afe21c8454670d46fb93751a5edffed46a07dedb576e47ed9570e5acc5b4b1d3ea"><div class="ttname"><a href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a07dedb576e47ed9570e5acc5b4b1d3ea">ripple::temBAD_AMOUNT</a></div><div class="ttdeci">@ temBAD_AMOUNT</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00070">TER.h:70</a></div></div>
<div class="ttc" id="anamespaceripple_html_afe21c8454670d46fb93751a5edffed46a47ebc45c5ddd8a242d47c055bec0de63"><div class="ttname"><a href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a47ebc45c5ddd8a242d47c055bec0de63">ripple::temBAD_CURRENCY</a></div><div class="ttdeci">@ temBAD_CURRENCY</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00071">TER.h:71</a></div></div>
<div class="ttc" id="anamespaceripple_html_afe21c8454670d46fb93751a5edffed46a8eb12fd6bc0d12423fb855b14864acb4"><div class="ttname"><a href="namespaceripple.html#afe21c8454670d46fb93751a5edffed46a8eb12fd6bc0d12423fb855b14864acb4">ripple::temBAD_AMM_TOKENS</a></div><div class="ttdeci">@ temBAD_AMM_TOKENS</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00110">TER.h:110</a></div></div>
<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a></div></div>
<div class="ttc" id="apair_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair</a></div></div>
<div class="ttc" id="autility_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/utility.html">utility</a></div></div>
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