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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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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="namespacexrpl.html">xrpl</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="namespacexrpl.html#a0b15ac90e02d620c67750cc6a0eb8200">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="namespacexrpl.html#afc553c64567f4e4b8b91c70929a72b64"> 24</a></span><a class="code hl_function" href="namespacexrpl.html#afc553c64567f4e4b8b91c70929a72b64">ammLPTCurrency</a>(<a class="code hl_class" href="classxrpl_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp; cur1, <a class="code hl_class" href="classxrpl_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="namespacexrpl.html#a2bf1136970cad3731cf6d24f054e119f">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="classxrpl_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="classxrpl_1_1base__uint.html#a0f465140e2abc5c2d14dce266dc2b169">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>(hash.begin(), hash.begin() + currency.<a class="code hl_function" href="classxrpl_1_1base__uint.html#af75a5db52d164b43693830e9df8585a8">size</a>() - 1, currency.<a class="code hl_function" href="classxrpl_1_1base__uint.html#a0f465140e2abc5c2d14dce266dc2b169">begin</a>() + 1);</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keywordflow">return</span> currency;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>}</div>
</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span>Issue</div>
<div class="foldopen" id="foldopen00037" data-start="{" data-end="}">
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="namespacexrpl.html#aeee5724e1d09ba2a5afaf4e173ee7c7e"> 37</a></span><a class="code hl_function" href="namespacexrpl.html#aeee5724e1d09ba2a5afaf4e173ee7c7e">ammLPTIssue</a>(<a class="code hl_class" href="classxrpl_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp; cur1, <a class="code hl_class" href="classxrpl_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp; cur2, <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; ammAccountID)</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>{</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1Issue.html">Issue</a>(<a class="code hl_function" href="namespacexrpl.html#afc553c64567f4e4b8b91c70929a72b64">ammLPTCurrency</a>(cur1, cur2), ammAccountID);</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span>}</div>
</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><a class="code hl_typedef" href="namespacexrpl.html#aec5bc721e24f63bb2c1a542f6f456b33">NotTEC</a></div>
<div class="foldopen" id="foldopen00043" data-start="{" data-end="}">
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="namespacexrpl.html#aef5cdb4fe367ebc41f0f4933f9878c3a"> 43</a></span><a class="code hl_function" href="namespacexrpl.html#aef5cdb4fe367ebc41f0f4933f9878c3a">invalidAMMAsset</a>(<a class="code hl_class" href="classxrpl_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; issue, <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="l00044" name="l00044"></a><span class="lineno"> 44</span>{</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespacexrpl.html#ae5cbd9ffc362ab0c2ecbcea6dcf4ee1d">badCurrency</a>() == issue.<a class="code hl_variable" href="classxrpl_1_1Issue.html#a0ad2c522f562c8d8355a849af33670cc">currency</a>)</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a1d22e9eeac55d1b4929b8a0c3e94de5e">temBAD_CURRENCY</a>;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespacexrpl.html#a255b5518870987aa13c1a924c9900ab9">isXRP</a>(issue) &amp;&amp; issue.<a class="code hl_variable" href="classxrpl_1_1Issue.html#a19b27b5ceb0fa710ee9e393954089124">account</a>.<a class="code hl_function" href="classxrpl_1_1base__uint.html#af76ea93fed56865d439a1d226b868e84">isNonZero</a>())</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a1b6c80eb633987c09f62b4c1444111f9">temBAD_ISSUER</a>;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</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="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a4558f386e70f91514a5f1f37ec0decab">temBAD_AMM_TOKENS</a>;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span>}</div>
</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><a class="code hl_typedef" href="namespacexrpl.html#aec5bc721e24f63bb2c1a542f6f456b33">NotTEC</a></div>
<div class="foldopen" id="foldopen00055" data-start="{" data-end="}">
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a3e505b5b93bea46631c444edb1acba5c"> 55</a></span><a class="code hl_function" href="namespacexrpl.html#a3e505b5b93bea46631c444edb1acba5c">invalidAMMAssetPair</a>(<a class="code hl_class" href="classxrpl_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; issue1, <a class="code hl_class" href="classxrpl_1_1Issue.html">Issue</a> <span class="keyword">const</span>&amp; issue2, <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="l00056" name="l00056"></a><span class="lineno"> 56</span>{</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">if</span> (issue1 == issue2)</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a4558f386e70f91514a5f1f37ec0decab">temBAD_AMM_TOKENS</a>;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> res = <a class="code hl_function" href="namespacexrpl.html#aef5cdb4fe367ebc41f0f4933f9878c3a">invalidAMMAsset</a>(issue1, pair))</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> res = <a class="code hl_function" href="namespacexrpl.html#aef5cdb4fe367ebc41f0f4933f9878c3a">invalidAMMAsset</a>(issue2, pair))</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</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><a class="code hl_typedef" href="namespacexrpl.html#aec5bc721e24f63bb2c1a542f6f456b33">NotTEC</a></div>
<div class="foldopen" id="foldopen00067" data-start="{" data-end="}">
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="namespacexrpl.html#ab69efa1a205d1403ad8b9acb3f96d572"> 67</a></span><a class="code hl_function" href="namespacexrpl.html#ab69efa1a205d1403ad8b9acb3f96d572">invalidAMMAmount</a>(<a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a> <span class="keyword">const</span>&amp; amount, <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, <span class="keywordtype">bool</span> validZero)</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span>{</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> res = <a class="code hl_function" href="namespacexrpl.html#aef5cdb4fe367ebc41f0f4933f9878c3a">invalidAMMAsset</a>(amount.issue(), pair))</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">if</span> (amount &lt; beast::zero || (!validZero &amp;&amp; amount == beast::zero))</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="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6aa9a4c76c9c7d2e1fc83581b9ce4d5152">temBAD_AMOUNT</a>;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#af4adbbe94a1cecf1bd3ad2c76ff1ea3da157dace29a657c58cdeb4f7fa19be976">tesSUCCESS</a>;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span>}</div>
</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</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="foldopen00077" data-start="{" data-end="}">
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="namespacexrpl.html#ad63e7580507c0b2aef0459bc74108a59"> 77</a></span><a class="code hl_function" href="namespacexrpl.html#ad63e7580507c0b2aef0459bc74108a59">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="namespacexrpl.html#a75da7d88563def930b866cd64dd96f06a43b5c9175984c071f30b873fdce0a000">current</a>, <a class="code hl_class" href="classxrpl_1_1STObject.html">STObject</a> <span class="keyword">const</span>&amp; auctionSlot)</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">// It should be impossible for expiration to be &lt; TOTAL_TIME_SLOT_SECS,</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="comment">// but check just to be safe</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">auto</span> <span class="keyword">const</span> expiration = auctionSlot[sfExpiration];</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> XRPL_ASSERT(expiration &gt;= <a class="code hl_variable" href="namespacexrpl.html#a3c0807ebc19d74c55af601c60b1ad030">TOTAL_TIME_SLOT_SECS</a>, <span class="stringliteral">&quot;xrpl::ammAuctionTimeSlot : minimum expiration&quot;</span>);</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (expiration &gt;= <a class="code hl_variable" href="namespacexrpl.html#a3c0807ebc19d74c55af601c60b1ad030">TOTAL_TIME_SLOT_SECS</a>)</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> {</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> start = expiration - <a class="code hl_variable" href="namespacexrpl.html#a3c0807ebc19d74c55af601c60b1ad030">TOTAL_TIME_SLOT_SECS</a>; <a class="code hl_enumvalue" href="namespacexrpl.html#a75da7d88563def930b866cd64dd96f06a43b5c9175984c071f30b873fdce0a000">current</a> &gt;= start)</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> {</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> diff = <a class="code hl_enumvalue" href="namespacexrpl.html#a75da7d88563def930b866cd64dd96f06a43b5c9175984c071f30b873fdce0a000">current</a> - start; diff &lt; <a class="code hl_variable" href="namespacexrpl.html#a3c0807ebc19d74c55af601c60b1ad030">TOTAL_TIME_SLOT_SECS</a>)</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">return</span> diff / <a class="code hl_variable" href="namespacexrpl.html#a03db4957fe792e566bd21c93ab2425e0">AUCTION_SLOT_INTERVAL_DURATION</a>;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> }</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="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="l00092" name="l00092"></a><span class="lineno"> 92</span>}</div>
</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span><span class="keywordtype">bool</span></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.html#a23628f8169b010aadfcb3381604c7bc3"> 95</a></span><a class="code hl_function" href="namespacexrpl.html#a23628f8169b010aadfcb3381604c7bc3">ammEnabled</a>(<a class="code hl_class" href="classxrpl_1_1Rules.html">Rules</a> <span class="keyword">const</span>&amp; rules)</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">return</span> rules.<a class="code hl_function" href="classxrpl_1_1Rules.html#a125114e27f806d1517096cbee50a2b04">enabled</a>(featureAMM) &amp;&amp; rules.<a class="code hl_function" href="classxrpl_1_1Rules.html#a125114e27f806d1517096cbee50a2b04">enabled</a>(fixUniversalNumber);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span>}</div>
</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">// namespace xrpl</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="aclassxrpl_1_1Issue_html"><div class="ttname"><a href="classxrpl_1_1Issue.html">xrpl::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="aclassxrpl_1_1Issue_html_a0ad2c522f562c8d8355a849af33670cc"><div class="ttname"><a href="classxrpl_1_1Issue.html#a0ad2c522f562c8d8355a849af33670cc">xrpl::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="aclassxrpl_1_1Issue_html_a19b27b5ceb0fa710ee9e393954089124"><div class="ttname"><a href="classxrpl_1_1Issue.html#a19b27b5ceb0fa710ee9e393954089124">xrpl::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="aclassxrpl_1_1Rules_html"><div class="ttname"><a href="classxrpl_1_1Rules.html">xrpl::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="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_1STObject_html"><div class="ttname"><a href="classxrpl_1_1STObject.html">xrpl::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="aclassxrpl_1_1base__uint_html"><div class="ttname"><a href="classxrpl_1_1base__uint.html">xrpl::base_uint&lt; 160, detail::CurrencyTag &gt;</a></div></div>
<div class="ttc" id="aclassxrpl_1_1base__uint_html_a0f465140e2abc5c2d14dce266dc2b169"><div class="ttname"><a href="classxrpl_1_1base__uint.html#a0f465140e2abc5c2d14dce266dc2b169">xrpl::base_uint::begin</a></div><div class="ttdeci">iterator begin()</div><div class="ttdef"><b>Definition</b> <a href="base__uint_8h_source.html#l00113">base_uint.h:113</a></div></div>
<div class="ttc" id="aclassxrpl_1_1base__uint_html_af75a5db52d164b43693830e9df8585a8"><div class="ttname"><a href="classxrpl_1_1base__uint.html#af75a5db52d164b43693830e9df8585a8">xrpl::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#l00495">base_uint.h:495</a></div></div>
<div class="ttc" id="aclassxrpl_1_1base__uint_html_af76ea93fed56865d439a1d226b868e84"><div class="ttname"><a href="classxrpl_1_1base__uint.html#af76ea93fed56865d439a1d226b868e84">xrpl::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#l00514">base_uint.h:514</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="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_a03db4957fe792e566bd21c93ab2425e0"><div class="ttname"><a href="namespacexrpl.html#a03db4957fe792e566bd21c93ab2425e0">xrpl::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="anamespacexrpl_html_a0b15ac90e02d620c67750cc6a0eb8200"><div class="ttname"><a href="namespacexrpl.html#a0b15ac90e02d620c67750cc6a0eb8200">xrpl::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="anamespacexrpl_html_a23628f8169b010aadfcb3381604c7bc3"><div class="ttname"><a href="namespacexrpl.html#a23628f8169b010aadfcb3381604c7bc3">xrpl::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#l00095">AMMCore.cpp:95</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a255b5518870987aa13c1a924c9900ab9"><div class="ttname"><a href="namespacexrpl.html#a255b5518870987aa13c1a924c9900ab9">xrpl::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="anamespacexrpl_html_a2bf1136970cad3731cf6d24f054e119f"><div class="ttname"><a href="namespacexrpl.html#a2bf1136970cad3731cf6d24f054e119f">xrpl::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="anamespacexrpl_html_a3c0807ebc19d74c55af601c60b1ad030"><div class="ttname"><a href="namespacexrpl.html#a3c0807ebc19d74c55af601c60b1ad030">xrpl::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="anamespacexrpl_html_a3e505b5b93bea46631c444edb1acba5c"><div class="ttname"><a href="namespacexrpl.html#a3e505b5b93bea46631c444edb1acba5c">xrpl::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#l00055">AMMCore.cpp:55</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a75da7d88563def930b866cd64dd96f06a43b5c9175984c071f30b873fdce0a000"><div class="ttname"><a href="namespacexrpl.html#a75da7d88563def930b866cd64dd96f06a43b5c9175984c071f30b873fdce0a000">xrpl::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="anamespacexrpl_html_ab69efa1a205d1403ad8b9acb3f96d572"><div class="ttname"><a href="namespacexrpl.html#ab69efa1a205d1403ad8b9acb3f96d572">xrpl::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#l00067">AMMCore.cpp:67</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ac8c50610643a4f902b9bb9e42d0b00e6a1b6c80eb633987c09f62b4c1444111f9"><div class="ttname"><a href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a1b6c80eb633987c09f62b4c1444111f9">xrpl::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="anamespacexrpl_html_ac8c50610643a4f902b9bb9e42d0b00e6a1d22e9eeac55d1b4929b8a0c3e94de5e"><div class="ttname"><a href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a1d22e9eeac55d1b4929b8a0c3e94de5e">xrpl::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="anamespacexrpl_html_ac8c50610643a4f902b9bb9e42d0b00e6a4558f386e70f91514a5f1f37ec0decab"><div class="ttname"><a href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6a4558f386e70f91514a5f1f37ec0decab">xrpl::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="anamespacexrpl_html_ac8c50610643a4f902b9bb9e42d0b00e6aa9a4c76c9c7d2e1fc83581b9ce4d5152"><div class="ttname"><a href="namespacexrpl.html#ac8c50610643a4f902b9bb9e42d0b00e6aa9a4c76c9c7d2e1fc83581b9ce4d5152">xrpl::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="anamespacexrpl_html_ad63e7580507c0b2aef0459bc74108a59"><div class="ttname"><a href="namespacexrpl.html#ad63e7580507c0b2aef0459bc74108a59">xrpl::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#l00077">AMMCore.cpp:77</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ae5cbd9ffc362ab0c2ecbcea6dcf4ee1d"><div class="ttname"><a href="namespacexrpl.html#ae5cbd9ffc362ab0c2ecbcea6dcf4ee1d">xrpl::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#l00110">UintTypes.cpp:110</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aec5bc721e24f63bb2c1a542f6f456b33"><div class="ttname"><a href="namespacexrpl.html#aec5bc721e24f63bb2c1a542f6f456b33">xrpl::NotTEC</a></div><div class="ttdeci">TERSubset&lt; CanCvtToNotTEC &gt; NotTEC</div><div class="ttdef"><b>Definition</b> <a href="TER_8h_source.html#l00581">TER.h:581</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aeee5724e1d09ba2a5afaf4e173ee7c7e"><div class="ttname"><a href="namespacexrpl.html#aeee5724e1d09ba2a5afaf4e173ee7c7e">xrpl::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#l00037">AMMCore.cpp:37</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aef5cdb4fe367ebc41f0f4933f9878c3a"><div class="ttname"><a href="namespacexrpl.html#aef5cdb4fe367ebc41f0f4933f9878c3a">xrpl::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#l00043">AMMCore.cpp:43</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_afc553c64567f4e4b8b91c70929a72b64"><div class="ttname"><a href="namespacexrpl.html#afc553c64567f4e4b8b91c70929a72b64">xrpl::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="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>
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