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<li class="navelem"><a class="el" href="dir_120ed4da3e3217b1e7fc0b4f48568e79.html">test</a></li><li class="navelem"><a class="el" href="dir_7ab758b8a77751d62709b12ccae53e10.html">app</a></li> </ul>
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<div class="headertitle"><div class="title">AMMCalc_test.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="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">/*</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> Copyright (c) 2023 Ripple Labs Inc.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"></span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"></span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">*/</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment">//==============================================================================</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;test/jtx.h&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;xrpld/app/misc/AMMHelpers.h&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include &lt;xrpl/protocol/Quality.h&gt;</span></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="preprocessor">#include &lt;boost/regex.hpp&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keyword">namespace </span>test {</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html"> 41</a></span><span class="keyword">class </span><a class="code hl_class" href="classripple_1_1test_1_1AMMCalc__test.html">AMMCalc_test</a> : <span class="keyword">public</span> <a class="code hl_class" href="classbeast_1_1unit__test_1_1suite.html">beast::unit_test::suite</a></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"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#a3ac5a8855d535e143943ba5d67716ded"> 43</a></span> <span class="keyword">using </span><a class="code hl_typedef" href="classripple_1_1test_1_1AMMCalc__test.html#a3ac5a8855d535e143943ba5d67716ded">token_iter</a> = boost::sregex_token_iterator;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#abb15c2ab3ffc4b0c8c3e2a1fda78778c"> 44</a></span> <span class="keyword">using </span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">steps</a> = <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;std::pair&lt;Amounts, bool&gt;</a>&gt;;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#aa6a4f49d8449499be8aede8e2ec440d0"> 45</a></span> <span class="keyword">using </span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/map.html">trates</a> = <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map&lt;std::string, std::uint32_t&gt;</a>;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#ade5fe3d7fa2dcb65f1f6b2cc3cfe82ed"> 46</a></span> <span class="keyword">using </span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/tuple.html">swapargs</a> = <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/tuple.html">std::tuple&lt;steps, STAmount, trates, std::uint32_t&gt;</a>;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#a49c164dfe81183872ea81fcd64d7273b"> 47</a></span> <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1Account.html">jtx::Account</a> <span class="keyword">const</span> <a class="code hl_variable" href="classripple_1_1test_1_1AMMCalc__test.html#a49c164dfe81183872ea81fcd64d7273b">gw</a>{<a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1Account.html">jtx::Account</a>(<span class="stringliteral">&quot;gw&quot;</span>)};</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#a867a8ecfcbd43c0827cf8b6947c62649"> 48</a></span> <a class="code hl_typedef" href="classripple_1_1test_1_1AMMCalc__test.html#a3ac5a8855d535e143943ba5d67716ded">token_iter</a> <span class="keyword">const</span> <a class="code hl_variable" href="classripple_1_1test_1_1AMMCalc__test.html#a867a8ecfcbd43c0827cf8b6947c62649">end_</a>;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;STAmount&gt;</a></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#a9fb1d99f6f0b58f6abc26d95798e975d"> 51</a></span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a9fb1d99f6f0b58f6abc26d95798e975d">getAmt</a>(<a class="code hl_typedef" href="classripple_1_1test_1_1AMMCalc__test.html#a3ac5a8855d535e143943ba5d67716ded">token_iter</a> <span class="keyword">const</span>&amp; p, <span class="keywordtype">bool</span>* delimited = <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> {</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">using namespace </span>jtx;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">if</span> (p == <a class="code hl_variable" href="classripple_1_1test_1_1AMMCalc__test.html#a867a8ecfcbd43c0827cf8b6947c62649">end_</a>)</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a>{};</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> str = *p;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> str = boost::regex_replace(str, boost::regex(<span class="stringliteral">&quot;^(A|O)[(]&quot;</span>), <span class="stringliteral">&quot;&quot;</span>);</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> boost::smatch <a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// XXX(val))?</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> boost::regex rx(<span class="stringliteral">&quot;^([^(]+)[(]([^)]+)[)]([)])?$&quot;</span>);</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">if</span> (boost::regex_search(str, <a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>, rx))</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">if</span> (delimited)</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> *delimited = (<a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>[3] != <span class="stringliteral">&quot;&quot;</span>);</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">if</span> (<a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>[1] == <span class="stringliteral">&quot;XRP&quot;</span>)</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="namespaceripple_1_1test_1_1jtx.html#aea9cd3d4e6b5df2e62d53b34b605957e">XRP</a>(<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/stol.html">std::stoll</a>(<a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>[2]));</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// drops</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>[1] == <span class="stringliteral">&quot;XRPA&quot;</span>)</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classripple_1_1XRPAmount.html">XRPAmount</a>{<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/stol.html">std::stoll</a>(<a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>[2])};</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#ac82a0d6ad7894711d8f33c7c3392d277">amountFromString</a>(<a class="code hl_variable" href="classripple_1_1test_1_1AMMCalc__test.html#a49c164dfe81183872ea81fcd64d7273b">gw</a>[<a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>[1]], <a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>[2]);</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> }</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_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::tuple&lt;std::string, std::uint32_t, bool&gt;</a>&gt;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#a2ba2738d76eb8bd6cc3c6f6d5cb1b411"> 76</a></span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a2ba2738d76eb8bd6cc3c6f6d5cb1b411">getRate</a>(<a class="code hl_typedef" href="classripple_1_1test_1_1AMMCalc__test.html#a3ac5a8855d535e143943ba5d67716ded">token_iter</a> <span class="keyword">const</span>&amp; p)</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> {</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">if</span> (p == <a class="code hl_variable" href="classripple_1_1test_1_1AMMCalc__test.html#a867a8ecfcbd43c0827cf8b6947c62649">end_</a>)</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> str = *p;</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> str = boost::regex_replace(str, boost::regex(<span class="stringliteral">&quot;^T[(]&quot;</span>), <span class="stringliteral">&quot;&quot;</span>);</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="comment">// XXX(rate))?</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> boost::smatch <a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> boost::regex rx(<span class="stringliteral">&quot;^([^(]+)[(]([^)]+)[)]([)])?$&quot;</span>);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">if</span> (boost::regex_search(str, <a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>, rx))</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span> currency = <a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>[1];</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// input is rate * 100, no fraction</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <a class="code hl_function" href="namespaceripple_1_1test_1_1jtx.html#a8e8d814b8820ce0b6979abde0d6a2618">rate</a> = 10&#39;000&#39;000 * <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/stol.html">std::stoi</a>(<a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>[2].str());</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// true if delimited - )</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">return</span> {{currency, <a class="code hl_function" href="namespaceripple_1_1test_1_1jtx.html#a8e8d814b8820ce0b6979abde0d6a2618">rate</a>, <a class="code hl_enumvalue" href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">match</a>[3] != <span class="stringliteral">&quot;&quot;</span> ? true : <span class="keyword">false</span>}};</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> }</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> }</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#a56e6b3c901f009b048ec90a7627a8c69"> 97</a></span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a56e6b3c901f009b048ec90a7627a8c69">getFee</a>(<a class="code hl_typedef" href="classripple_1_1test_1_1AMMCalc__test.html#a3ac5a8855d535e143943ba5d67716ded">token_iter</a> <span class="keyword">const</span>&amp; p)</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> (p != <a class="code hl_variable" href="classripple_1_1test_1_1AMMCalc__test.html#a867a8ecfcbd43c0827cf8b6947c62649">end_</a>)</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> {</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span> s = *p;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/stol.html">std::stoll</a>(s);</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> <span class="keywordflow">return</span> 0;</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> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::pair&lt;Amounts, bool&gt;</a>&gt;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#a0751c312ae58dc8de6a383126bdc1084"> 108</a></span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a0751c312ae58dc8de6a383126bdc1084">getAmounts</a>(<a class="code hl_typedef" href="classripple_1_1test_1_1AMMCalc__test.html#a3ac5a8855d535e143943ba5d67716ded">token_iter</a>&amp; p)</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> {</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">if</span> (p == <a class="code hl_variable" href="classripple_1_1test_1_1AMMCalc__test.html#a867a8ecfcbd43c0827cf8b6947c62649">end_</a>)</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span> s = *p;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordtype">bool</span> <span class="keyword">const</span> amm = s[0] == <span class="charliteral">&#39;O&#39;</span> ? false : <span class="keyword">true</span>;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">auto</span> <span class="keyword">const</span> a1 = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a9fb1d99f6f0b58f6abc26d95798e975d">getAmt</a>(p++);</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">if</span> (!a1 || p == <a class="code hl_variable" href="classripple_1_1test_1_1AMMCalc__test.html#a867a8ecfcbd43c0827cf8b6947c62649">end_</a>)</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">auto</span> <span class="keyword">const</span> a2 = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a9fb1d99f6f0b58f6abc26d95798e975d">getAmt</a>(p++);</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">if</span> (!a2)</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">return</span> {{{*a1, *a2}, amm}};</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;trates&gt;</a></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#a299615b2828cd6f051fc03f2ad33892a"> 124</a></span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a299615b2828cd6f051fc03f2ad33892a">getTransferRate</a>(<a class="code hl_typedef" href="classripple_1_1test_1_1AMMCalc__test.html#a3ac5a8855d535e143943ba5d67716ded">token_iter</a>&amp; p)</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> {</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/map.html">trates</a> rates{};</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">if</span> (p == <a class="code hl_variable" href="classripple_1_1test_1_1AMMCalc__test.html#a867a8ecfcbd43c0827cf8b6947c62649">end_</a>)</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">return</span> rates;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> str = *p;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">if</span> (str[0] != <span class="charliteral">&#39;T&#39;</span>)</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">return</span> rates;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// T(USD(rate),GBP(rate), ...)</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordflow">while</span> (p != <a class="code hl_variable" href="classripple_1_1test_1_1AMMCalc__test.html#a867a8ecfcbd43c0827cf8b6947c62649">end_</a>)</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> {</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> <a class="code hl_function" href="namespaceripple_1_1test_1_1jtx.html#a8e8d814b8820ce0b6979abde0d6a2618">rate</a> = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a2ba2738d76eb8bd6cc3c6f6d5cb1b411">getRate</a>(p++))</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> {</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">auto</span> <span class="keyword">const</span> [currency, trate, delimited] = *<a class="code hl_function" href="namespaceripple_1_1test_1_1jtx.html#a8e8d814b8820ce0b6979abde0d6a2618">rate</a>;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> rates[currency] = trate;</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keywordflow">if</span> (delimited)</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> }</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordflow">return</span> rates;</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> </div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;swapargs&gt;</a></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#aaa37207c8e590b8dc5200faf30d23527"> 149</a></span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#aaa37207c8e590b8dc5200faf30d23527">getSwap</a>(<a class="code hl_typedef" href="classripple_1_1test_1_1AMMCalc__test.html#a3ac5a8855d535e143943ba5d67716ded">token_iter</a>&amp; p)</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> {</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="comment">// pairs of amm pool or offer</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/container/vector.html">steps</a> pairs;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="comment">// either amm pool or offer</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">auto</span> isPair = [](<span class="keyword">auto</span> <span class="keyword">const</span>&amp; p) {</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span> s = *p;</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">return</span> s[0] == <span class="charliteral">&#39;A&#39;</span> || s[0] == <span class="charliteral">&#39;O&#39;</span>;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> };</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="comment">// get AMM or offer</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">while</span> (isPair(p))</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="keyword">auto</span> <span class="keyword">const</span> res = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a0751c312ae58dc8de6a383126bdc1084">getAmounts</a>(p);</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">if</span> (!res || p == <a class="code hl_variable" href="classripple_1_1test_1_1AMMCalc__test.html#a867a8ecfcbd43c0827cf8b6947c62649">end_</a>)</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> pairs.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(*res);</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> }</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="comment">// swap in/out amount</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">auto</span> <span class="keyword">const</span> swap = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a9fb1d99f6f0b58f6abc26d95798e975d">getAmt</a>(p++);</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">if</span> (!swap)</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="comment">// optional transfer rate</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keyword">auto</span> <span class="keyword">const</span> <a class="code hl_function" href="namespaceripple_1_1test_1_1jtx.html#a8e8d814b8820ce0b6979abde0d6a2618">rate</a> = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a299615b2828cd6f051fc03f2ad33892a">getTransferRate</a>(p);</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceripple_1_1test_1_1jtx.html#a8e8d814b8820ce0b6979abde0d6a2618">rate</a>)</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="keyword">auto</span> <span class="keyword">const</span> <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1fee.html">fee</a> = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a56e6b3c901f009b048ec90a7627a8c69">getFee</a>(p);</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">return</span> {{pairs, *swap, *<a class="code hl_function" href="namespaceripple_1_1test_1_1jtx.html#a8e8d814b8820ce0b6979abde0d6a2618">rate</a>, <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1fee.html">fee</a>}};</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> }</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> </div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#aa824a3b3a021cdfb070d0eb9d554bbce"> 179</a></span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#aa824a3b3a021cdfb070d0eb9d554bbce">toString</a>(<a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> <span class="keyword">const</span>&amp; a)</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> {</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> str;</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> str &lt;&lt; a.<a class="code hl_function" href="classripple_1_1STAmount.html#aa65826cb148b5d15412fceecca5ae47c">getText</a>() &lt;&lt; <span class="stringliteral">&quot;/&quot;</span> &lt;&lt; <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(a.<a class="code hl_function" href="classripple_1_1STAmount.html#acab76380a95d902071fd26ab3425bbe5">issue</a>().<a class="code hl_variable" href="classripple_1_1Issue.html#a4b723aa4198e4c630e41de06586e2fe7">currency</a>);</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keywordflow">return</span> str.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>();</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> }</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#a54287bfcf76b544868ff8142c2ff9bbf"> 187</a></span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a54287bfcf76b544868ff8142c2ff9bbf">mulratio</a>(<a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> <span class="keyword">const</span>&amp; amt, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> a, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> b, <span class="keywordtype">bool</span> round)</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="keywordflow">if</span> (a == b)</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordflow">return</span> amt;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keywordflow">if</span> (amt.<a class="code hl_function" href="classripple_1_1STAmount.html#af3a02d7e9cd0b11509a90e0e6980bd64">native</a>())</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">toSTAmount</a>(<a class="code hl_function" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(amt.<a class="code hl_function" href="classripple_1_1STAmount.html#a6c2ca92e9c91e2a34493d61e02d79ebf">xrp</a>(), a, b, round), amt.<a class="code hl_function" href="classripple_1_1STAmount.html#acab76380a95d902071fd26ab3425bbe5">issue</a>());</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">toSTAmount</a>(<a class="code hl_function" href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">mulRatio</a>(amt.<a class="code hl_function" href="classripple_1_1STAmount.html#a094bda660d23e258021a2c63112ebc9a">iou</a>(), a, b, round), amt.<a class="code hl_function" href="classripple_1_1STAmount.html#acab76380a95d902071fd26ab3425bbe5">issue</a>());</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> }</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordtype">void</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#a1aa4f7defe7052f3bc16a5275ee33cc0"> 197</a></span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a1aa4f7defe7052f3bc16a5275ee33cc0">swapOut</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/tuple.html">swapargs</a> <span class="keyword">const</span>&amp; args)</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> {</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keyword">auto</span> <span class="keyword">const</span> vp = std::get&lt;steps&gt;(args);</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> sout = std::get&lt;STAmount&gt;(args);</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keyword">auto</span> <span class="keyword">const</span> <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1fee.html">fee</a> = std::get&lt;std::uint32_t&gt;(args);</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">auto</span> <span class="keyword">const</span> rates = std::get&lt;trates&gt;(args);</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> resultOut = sout;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> resultIn{};</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> sin{};</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordtype">int</span> limitingStep = vp.size();</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> <a class="code hl_function" href="namespaceripple.html#aa16a5e66c64d7a8b5c3a5123a2d21dfe">limitStepOut</a>{};</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">auto</span> trate = [&amp;](<span class="keyword">auto</span> <span class="keyword">const</span>&amp; amt) {</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keyword">auto</span> <span class="keyword">const</span> currency = <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(amt.issue().currency);</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">return</span> rates.find(currency) != rates.end() ? rates.at(currency)</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> : QUALITY_ONE;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> };</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="comment">// swap out reverse</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> sin = sout;</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> it = vp.rbegin(); it != vp.rend(); ++it)</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> sout = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a54287bfcf76b544868ff8142c2ff9bbf">mulratio</a>(sin, trate(sin), QUALITY_ONE, <span class="keyword">true</span>);</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> [amts, amm] = *it;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// assume no amm limit</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keywordflow">if</span> (amm)</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> {</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> sin = <a class="code hl_function" href="namespaceripple.html#affb9400cd4cf6d952445bf00803cc92f">swapAssetOut</a>(amts, sout, <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1fee.html">fee</a>);</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> }</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (sout &lt;= amts.out)</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> {</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> sin = Quality{amts}.ceil_out(amts, sout).in;</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">// limiting step</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> {</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> sin = amts.in;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> limitingStep = vp.rend() - it - 1;</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <a class="code hl_function" href="namespaceripple.html#aa16a5e66c64d7a8b5c3a5123a2d21dfe">limitStepOut</a> = amts.out;</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordflow">if</span> (it == vp.rbegin())</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> resultOut = amts.out;</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> }</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> resultIn = sin;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> }</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> sin = <a class="code hl_function" href="namespaceripple.html#aa16a5e66c64d7a8b5c3a5123a2d21dfe">limitStepOut</a>;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="comment">// swap in if limiting step</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = limitingStep + 1; i &lt; vp.size(); ++i)</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> {</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keyword">auto</span> <span class="keyword">const</span> [amts, amm] = vp[i];</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> sin = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a54287bfcf76b544868ff8142c2ff9bbf">mulratio</a>(sin, QUALITY_ONE, trate(sin), <span class="keyword">false</span>);</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">if</span> (amm)</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> {</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> sout = <a class="code hl_function" href="namespaceripple.html#a46ef81e270b726cb937bec7c0e0c8115">swapAssetIn</a>(amts, sin, <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1fee.html">fee</a>);</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> }</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="comment">// assume there is no limiting step in fwd</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> {</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> sout = Quality{amts}.ceil_in(amts, sin).out;</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> }</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> sin = sout;</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> resultOut = sout;</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/cout.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;in: &quot;</span> &lt;&lt; <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#aa824a3b3a021cdfb070d0eb9d554bbce">toString</a>(resultIn)</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> &lt;&lt; <span class="stringliteral">&quot; out: &quot;</span> &lt;&lt; <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#aa824a3b3a021cdfb070d0eb9d554bbce">toString</a>(resultOut) &lt;&lt; <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> }</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> </div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordtype">void</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#a1ddc6483d70bf544ecf60ad4c033a6b4"> 262</a></span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a1ddc6483d70bf544ecf60ad4c033a6b4">swapIn</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/tuple.html">swapargs</a> <span class="keyword">const</span>&amp; args)</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> {</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keyword">auto</span> <span class="keyword">const</span> vp = std::get&lt;steps&gt;(args);</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> sin = std::get&lt;STAmount&gt;(args);</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keyword">auto</span> <span class="keyword">const</span> <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1fee.html">fee</a> = std::get&lt;std::uint32_t&gt;(args);</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keyword">auto</span> <span class="keyword">const</span> rates = std::get&lt;trates&gt;(args);</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> resultIn = sin;</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> resultOut{};</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> sout{};</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordtype">int</span> limitingStep = 0;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <a class="code hl_class" href="classripple_1_1STAmount.html">STAmount</a> <a class="code hl_function" href="namespaceripple.html#a263796a7830204a27620035c603d2f15">limitStepIn</a>{};</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keyword">auto</span> trate = [&amp;](<span class="keyword">auto</span> <span class="keyword">const</span>&amp; amt) {</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keyword">auto</span> <span class="keyword">const</span> currency = <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(amt.issue().currency);</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">return</span> rates.find(currency) != rates.end() ? rates.at(currency)</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> : QUALITY_ONE;</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> };</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="comment">// Swap in forward</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> it = vp.begin(); it != vp.end(); ++it)</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> {</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="keyword">auto</span> <span class="keyword">const</span> [amts, amm] = *it;</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> sin = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a54287bfcf76b544868ff8142c2ff9bbf">mulratio</a>(</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> sin,</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> QUALITY_ONE,</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> trate(sin),</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keyword">false</span>); <span class="comment">// out of the next step</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="comment">// assume no amm limit</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordflow">if</span> (amm)</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> {</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> sout = <a class="code hl_function" href="namespaceripple.html#a46ef81e270b726cb937bec7c0e0c8115">swapAssetIn</a>(amts, sin, <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1fee.html">fee</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> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (sin &lt;= amts.in)</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> sout = Quality{amts}.ceil_in(amts, sin).out;</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> }</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="comment">// limiting step, requested in is greater than the offer</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="comment">// pay exactly amts.in, which gets amts.out</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> {</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> sout = amts.out;</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> limitingStep = it - vp.begin();</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <a class="code hl_function" href="namespaceripple.html#a263796a7830204a27620035c603d2f15">limitStepIn</a> = amts.in;</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> }</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> sin = sout;</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> resultOut = sout;</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> }</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> sin = <a class="code hl_function" href="namespaceripple.html#a263796a7830204a27620035c603d2f15">limitStepIn</a>;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="comment">// swap out if limiting step</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = limitingStep - 1; i &gt;= 0; --i)</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> {</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> sout = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a54287bfcf76b544868ff8142c2ff9bbf">mulratio</a>(sin, trate(sin), QUALITY_ONE, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="keyword">auto</span> <span class="keyword">const</span> [amts, amm] = vp[i];</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="keywordflow">if</span> (amm)</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> sin = <a class="code hl_function" href="namespaceripple.html#affb9400cd4cf6d952445bf00803cc92f">swapAssetOut</a>(amts, sout, <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1fee.html">fee</a>);</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> }</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="comment">// assume there is no limiting step</span></div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> {</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> sin = Quality{amts}.ceil_out(amts, sout).in;</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> }</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> resultIn = sin;</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> resultOut = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a54287bfcf76b544868ff8142c2ff9bbf">mulratio</a>(resultOut, QUALITY_ONE, trate(resultOut), <span class="keyword">true</span>);</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/cout.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;in: &quot;</span> &lt;&lt; <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#aa824a3b3a021cdfb070d0eb9d554bbce">toString</a>(resultIn)</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> &lt;&lt; <span class="stringliteral">&quot; out: &quot;</span> &lt;&lt; <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#aa824a3b3a021cdfb070d0eb9d554bbce">toString</a>(resultOut) &lt;&lt; <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> }</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> </div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="keywordtype">void</span></div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"><a class="line" href="classripple_1_1test_1_1AMMCalc__test.html#ad8f2dee4852d2b4c5acb5ef39e85e509"> 330</a></span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#ad8f2dee4852d2b4c5acb5ef39e85e509">run</a>()<span class="keyword"> override</span></div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keyword">using namespace </span>jtx;</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <span class="keyword">auto</span> <span class="keyword">const</span> a = <a class="code hl_function" href="classbeast_1_1unit__test_1_1suite.html#aab85abc9e0f2c28f9b8990ebd9b21342">arg</a>();</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> boost::regex re(<span class="stringliteral">&quot;,&quot;</span>);</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <a class="code hl_typedef" href="classripple_1_1test_1_1AMMCalc__test.html#a3ac5a8855d535e143943ba5d67716ded">token_iter</a> p(a.begin(), a.end(), re, -1);</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="comment">// Token is denoted as CUR(xxx), where CUR is the currency code</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="comment">// and xxx is the amount, for instance: XRP(100) or USD(11.5)</span></div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="comment">// AMM is denoted as A(CUR1(xxx1),CUR2(xxx2)), for instance:</span></div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="comment">// A(XRP(1000),USD(1000)), the tokens must be in the order</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="comment">// poolGets/poolPays</span></div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="comment">// Offer is denoted as O(CUR1(xxx1),CUR2(xxx2)), for instance:</span></div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="comment">// O(XRP(100),USD(100)), the tokens must be in the order</span></div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="comment">// takerPays/takerGets</span></div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="comment">// Transfer rate is denoted as a comma separated list for each</span></div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="comment">// currency with the transfer rate, for instance:</span></div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="comment">// T(USD(175),...,EUR(100)).</span></div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="comment">// the transfer rate is 100 * rate, with no fraction, for instance:</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="comment">// 1.75 = 1.75 * 100 = 175</span></div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="comment">// the transfer rate is optional</span></div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="comment">// AMM trading fee is an integer in {0,1000}, 1000 represents 1%</span></div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="comment">// the trading fee is optional</span></div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <span class="keyword">auto</span> <span class="keyword">const</span> exec = [&amp;]() -&gt; <span class="keywordtype">bool</span> {</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <span class="keywordflow">if</span> (p == <a class="code hl_variable" href="classripple_1_1test_1_1AMMCalc__test.html#a867a8ecfcbd43c0827cf8b6947c62649">end_</a>)</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="comment">// Swap in to the steps. Execute steps in forward direction first.</span></div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="comment">// swapin,A(XRP(1000),USD(1000)),O(USD(10),EUR(10)),XRP(11),</span></div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="comment">// T(USD(125)),1000</span></div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="comment">// where</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="comment">// A(...),O(...) are the payment steps, in this case</span></div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="comment">// consisting of AMM and Offer.</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="comment">// XRP(11) is the swapIn value. Note the order of tokens in AMM;</span></div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="comment">// i.e. poolGets/poolPays.</span></div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="comment">// T(USD(125) is the transfer rate of 1.25%.</span></div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <span class="comment">// 1000 is AMM trading fee of 1%, the fee is optional.</span></div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> <span class="keywordflow">if</span> (*p == <span class="stringliteral">&quot;swapin&quot;</span>)</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> {</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> swap = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#aaa37207c8e590b8dc5200faf30d23527">getSwap</a>(++p); swap)</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> {</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a1ddc6483d70bf544ecf60ad4c033a6b4">swapIn</a>(*swap);</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</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> }</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="comment">// Swap out of the steps. Execute steps in reverse direction first.</span></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <span class="comment">// swapout,A(USD(1000),XRP(1000)),XRP(10),T(USD(100)),100</span></div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="comment">// where</span></div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="comment">// A(...) is the payment step, in this case</span></div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="comment">// consisting of AMM.</span></div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="comment">// XRP(10) is the swapOut value. Note the order of tokens in AMM:</span></div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="comment">// i.e. poolGets/poolPays.</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="comment">// T(USD(100) is the transfer rate of 1%.</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <span class="comment">// 100 is AMM trading fee of 0.1%.</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*p == <span class="stringliteral">&quot;swapout&quot;</span>)</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> {</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> swap = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#aaa37207c8e590b8dc5200faf30d23527">getSwap</a>(++p); swap)</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> {</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a1aa4f7defe7052f3bc16a5275ee33cc0">swapOut</a>(*swap);</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> }</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> }</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="comment">// Calculate AMM lptokens</span></div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="comment">// lptokens,USD(1000),XRP(1000)</span></div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> <span class="comment">// where</span></div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> <span class="comment">// USD(...),XRP(...) is the pool composition</span></div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*p == <span class="stringliteral">&quot;lptokens&quot;</span>)</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> {</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> pool = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a0751c312ae58dc8de6a383126bdc1084">getAmounts</a>(++p); pool)</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> {</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1Account.html">Account</a> <span class="keyword">const</span> amm(<span class="stringliteral">&quot;amm&quot;</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> LPT = amm[<span class="stringliteral">&quot;LPT&quot;</span>];</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/cout.html">std::cout</a></div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> &lt;&lt; <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <a class="code hl_function" href="namespaceripple.html#ab8defa1f235abbf44a60ccc6c71c6fdd">ammLPTokens</a>(pool-&gt;first.in, pool-&gt;first.out, LPT)</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> .<a class="code hl_function" href="classripple_1_1STAmount.html#a094bda660d23e258021a2c63112ebc9a">iou</a>())</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> &lt;&lt; <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> }</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">// Change spot price quality - generates AMM offer such that</span></div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="comment">// when consumed the updated AMM spot price quality is equal</span></div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="comment">// to the CLOB offer quality</span></div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="comment">// changespq,A(XRP(1000),USD(1000)),O(XRP(100),USD(99)),10</span></div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="comment">// where</span></div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="comment">// A(...) is AMM</span></div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> <span class="comment">// O(...) is CLOB offer</span></div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="comment">// 10 is AMM trading fee</span></div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*p == <span class="stringliteral">&quot;changespq&quot;</span>)</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> {</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1Env.html">Env</a> env(*<span class="keyword">this</span>);</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> pool = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a0751c312ae58dc8de6a383126bdc1084">getAmounts</a>(++p))</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> {</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> <a class="code hl_function" href="namespaceripple_1_1test_1_1jtx.html#ac423e2aa3fd7a14ae651849b430994f1">offer</a> = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a0751c312ae58dc8de6a383126bdc1084">getAmounts</a>(p))</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> {</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="keyword">auto</span> <span class="keyword">const</span> <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1fee.html">fee</a> = <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#a56e6b3c901f009b048ec90a7627a8c69">getFee</a>(p);</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> ammOffer = <a class="code hl_function" href="namespaceripple.html#a90756d1bf92c06c33bd890299a680166">changeSpotPriceQuality</a>(</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> pool-&gt;first,</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> Quality{offer-&gt;first},</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <a class="code hl_class" href="classripple_1_1test_1_1jtx_1_1fee.html">fee</a>,</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> env.<a class="code hl_function" href="classripple_1_1test_1_1jtx_1_1Env.html#a65bedb2e0babbd55343f721de9008a37">current</a>()-&gt;rules(),</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <a class="code hl_class" href="classbeast_1_1Journal.html">beast::Journal</a>(<a class="code hl_function" href="classbeast_1_1Journal.html#a930d70ff72f71414fcd5b560610cefb6">beast::Journal::getNullSink</a>()));</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> ammOffer)</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/cout.html">std::cout</a></div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> &lt;&lt; <span class="stringliteral">&quot;amm offer: &quot;</span> &lt;&lt; <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#aa824a3b3a021cdfb070d0eb9d554bbce">toString</a>(ammOffer-&gt;in)</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#aa824a3b3a021cdfb070d0eb9d554bbce">toString</a>(ammOffer-&gt;out)</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> &lt;&lt; <span class="stringliteral">&quot;\nnew pool: &quot;</span></div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> &lt;&lt; <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#aa824a3b3a021cdfb070d0eb9d554bbce">toString</a>(pool-&gt;first.in + ammOffer-&gt;in)</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> &lt;&lt; <span class="stringliteral">&quot; &quot;</span></div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> &lt;&lt; <a class="code hl_function" href="classripple_1_1test_1_1AMMCalc__test.html#aa824a3b3a021cdfb070d0eb9d554bbce">toString</a>(pool-&gt;first.out - ammOffer-&gt;out)</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> &lt;&lt; <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/cout.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;can&#39;t change the pool&#39;s SP quality&quot;</span></div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> &lt;&lt; <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> }</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> }</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> }</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> };</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <span class="keywordtype">bool</span> res = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="keywordflow">try</span></div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> {</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> res = exec();</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> }</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <span class="keywordflow">catch</span> (<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/error/exception.html">std::exception</a> <span class="keyword">const</span>&amp; ex)</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/cout.html">std::cout</a> &lt;&lt; ex.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/error/exception/what.html">what</a>() &lt;&lt; <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> }</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> BEAST_EXPECT(res);</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> }</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> </div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"><a class="line" href="namespaceripple_1_1test.html#a68304f8c563ff2339b9ec8c9f275a64a"> 461</a></span>BEAST_DEFINE_TESTSUITE_MANUAL(AMMCalc, app, <a class="code hl_namespace" href="namespaceripple.html">ripple</a>);</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> </div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span>} <span class="comment">// namespace test</span></div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span>} <span class="comment">// namespace ripple</span></div>
<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div></div>
<div class="ttc" id="abasic_stringstream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a></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#l00059">Journal.h:60</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_a930d70ff72f71414fcd5b560610cefb6"><div class="ttname"><a href="classbeast_1_1Journal.html#a930d70ff72f71414fcd5b560610cefb6">beast::Journal::getNullSink</a></div><div class="ttdeci">static Sink &amp; getNullSink()</div><div class="ttdoc">Returns a Sink which does nothing.</div><div class="ttdef"><b>Definition:</b> <a href="beast__Journal_8cpp_source.html#l00082">beast_Journal.cpp:82</a></div></div>
<div class="ttc" id="aclassbeast_1_1unit__test_1_1suite_html"><div class="ttname"><a href="classbeast_1_1unit__test_1_1suite.html">beast::unit_test::suite</a></div><div class="ttdoc">A testsuite class.</div><div class="ttdef"><b>Definition:</b> <a href="suite_8h_source.html#l00054">suite.h:55</a></div></div>
<div class="ttc" id="aclassbeast_1_1unit__test_1_1suite_html_aab85abc9e0f2c28f9b8990ebd9b21342"><div class="ttname"><a href="classbeast_1_1unit__test_1_1suite.html#aab85abc9e0f2c28f9b8990ebd9b21342">beast::unit_test::suite::arg</a></div><div class="ttdeci">std::string const &amp; arg() const</div><div class="ttdoc">Return the argument associated with the runner.</div><div class="ttdef"><b>Definition:</b> <a href="suite_8h_source.html#l00288">suite.h:288</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#l00038">Issue.h:38</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#l00049">STAmount.h:50</a></div></div>
<div class="ttc" id="aclassripple_1_1STAmount_html_a094bda660d23e258021a2c63112ebc9a"><div class="ttname"><a href="classripple_1_1STAmount.html#a094bda660d23e258021a2c63112ebc9a">ripple::STAmount::iou</a></div><div class="ttdeci">IOUAmount iou() const</div><div class="ttdef"><b>Definition:</b> <a href="STAmount_8cpp_source.html#l00322">STAmount.cpp:322</a></div></div>
<div class="ttc" id="aclassripple_1_1STAmount_html_a6c2ca92e9c91e2a34493d61e02d79ebf"><div class="ttname"><a href="classripple_1_1STAmount.html#a6c2ca92e9c91e2a34493d61e02d79ebf">ripple::STAmount::xrp</a></div><div class="ttdeci">XRPAmount xrp() const</div><div class="ttdef"><b>Definition:</b> <a href="STAmount_8cpp_source.html#l00306">STAmount.cpp:306</a></div></div>
<div class="ttc" id="aclassripple_1_1STAmount_html_aa65826cb148b5d15412fceecca5ae47c"><div class="ttname"><a href="classripple_1_1STAmount.html#aa65826cb148b5d15412fceecca5ae47c">ripple::STAmount::getText</a></div><div class="ttdeci">std::string getText() const override</div><div class="ttdef"><b>Definition:</b> <a href="STAmount_8cpp_source.html#l00550">STAmount.cpp:550</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#l00496">STAmount.h:496</a></div></div>
<div class="ttc" id="aclassripple_1_1STAmount_html_af3a02d7e9cd0b11509a90e0e6980bd64"><div class="ttname"><a href="classripple_1_1STAmount.html#af3a02d7e9cd0b11509a90e0e6980bd64">ripple::STAmount::native</a></div><div class="ttdeci">bool native() const noexcept</div><div class="ttdef"><b>Definition:</b> <a href="STAmount_8h_source.html#l00458">STAmount.h:458</a></div></div>
<div class="ttc" id="aclassripple_1_1XRPAmount_html"><div class="ttname"><a href="classripple_1_1XRPAmount.html">ripple::XRPAmount</a></div><div class="ttdef"><b>Definition:</b> <a href="XRPAmount_8h_source.html#l00039">XRPAmount.h:43</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html">ripple::test::AMMCalc_test</a></div><div class="ttdoc">AMM Calculator.</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00041">AMMCalc_test.cpp:42</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_a0751c312ae58dc8de6a383126bdc1084"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#a0751c312ae58dc8de6a383126bdc1084">ripple::test::AMMCalc_test::getAmounts</a></div><div class="ttdeci">std::optional&lt; std::pair&lt; Amounts, bool &gt; &gt; getAmounts(token_iter &amp;p)</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00108">AMMCalc_test.cpp:108</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_a1aa4f7defe7052f3bc16a5275ee33cc0"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#a1aa4f7defe7052f3bc16a5275ee33cc0">ripple::test::AMMCalc_test::swapOut</a></div><div class="ttdeci">void swapOut(swapargs const &amp;args)</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00197">AMMCalc_test.cpp:197</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_a1ddc6483d70bf544ecf60ad4c033a6b4"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#a1ddc6483d70bf544ecf60ad4c033a6b4">ripple::test::AMMCalc_test::swapIn</a></div><div class="ttdeci">void swapIn(swapargs const &amp;args)</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00262">AMMCalc_test.cpp:262</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_a299615b2828cd6f051fc03f2ad33892a"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#a299615b2828cd6f051fc03f2ad33892a">ripple::test::AMMCalc_test::getTransferRate</a></div><div class="ttdeci">std::optional&lt; trates &gt; getTransferRate(token_iter &amp;p)</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00124">AMMCalc_test.cpp:124</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_a2ba2738d76eb8bd6cc3c6f6d5cb1b411"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#a2ba2738d76eb8bd6cc3c6f6d5cb1b411">ripple::test::AMMCalc_test::getRate</a></div><div class="ttdeci">std::optional&lt; std::tuple&lt; std::string, std::uint32_t, bool &gt; &gt; getRate(token_iter const &amp;p)</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00076">AMMCalc_test.cpp:76</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_a3ac5a8855d535e143943ba5d67716ded"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#a3ac5a8855d535e143943ba5d67716ded">ripple::test::AMMCalc_test::token_iter</a></div><div class="ttdeci">boost::sregex_token_iterator token_iter</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00043">AMMCalc_test.cpp:43</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_a49c164dfe81183872ea81fcd64d7273b"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#a49c164dfe81183872ea81fcd64d7273b">ripple::test::AMMCalc_test::gw</a></div><div class="ttdeci">jtx::Account const gw</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00047">AMMCalc_test.cpp:47</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_a54287bfcf76b544868ff8142c2ff9bbf"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#a54287bfcf76b544868ff8142c2ff9bbf">ripple::test::AMMCalc_test::mulratio</a></div><div class="ttdeci">STAmount mulratio(STAmount const &amp;amt, std::uint32_t a, std::uint32_t b, bool round)</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00187">AMMCalc_test.cpp:187</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_a56e6b3c901f009b048ec90a7627a8c69"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#a56e6b3c901f009b048ec90a7627a8c69">ripple::test::AMMCalc_test::getFee</a></div><div class="ttdeci">std::uint32_t getFee(token_iter const &amp;p)</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00097">AMMCalc_test.cpp:97</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_a867a8ecfcbd43c0827cf8b6947c62649"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#a867a8ecfcbd43c0827cf8b6947c62649">ripple::test::AMMCalc_test::end_</a></div><div class="ttdeci">token_iter const end_</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00048">AMMCalc_test.cpp:48</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_a9fb1d99f6f0b58f6abc26d95798e975d"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#a9fb1d99f6f0b58f6abc26d95798e975d">ripple::test::AMMCalc_test::getAmt</a></div><div class="ttdeci">std::optional&lt; STAmount &gt; getAmt(token_iter const &amp;p, bool *delimited=nullptr)</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00051">AMMCalc_test.cpp:51</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_aa824a3b3a021cdfb070d0eb9d554bbce"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#aa824a3b3a021cdfb070d0eb9d554bbce">ripple::test::AMMCalc_test::toString</a></div><div class="ttdeci">std::string toString(STAmount const &amp;a)</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00179">AMMCalc_test.cpp:179</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_aaa37207c8e590b8dc5200faf30d23527"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#aaa37207c8e590b8dc5200faf30d23527">ripple::test::AMMCalc_test::getSwap</a></div><div class="ttdeci">std::optional&lt; swapargs &gt; getSwap(token_iter &amp;p)</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00149">AMMCalc_test.cpp:149</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1AMMCalc__test_html_ad8f2dee4852d2b4c5acb5ef39e85e509"><div class="ttname"><a href="classripple_1_1test_1_1AMMCalc__test.html#ad8f2dee4852d2b4c5acb5ef39e85e509">ripple::test::AMMCalc_test::run</a></div><div class="ttdeci">void run() override</div><div class="ttdoc">Runs the suite.</div><div class="ttdef"><b>Definition:</b> <a href="AMMCalc__test_8cpp_source.html#l00330">AMMCalc_test.cpp:330</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1jtx_1_1Account_html"><div class="ttname"><a href="classripple_1_1test_1_1jtx_1_1Account.html">ripple::test::jtx::Account</a></div><div class="ttdoc">Immutable cryptographic account descriptor.</div><div class="ttdef"><b>Definition:</b> <a href="Account_8h_source.html#l00038">Account.h:39</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1jtx_1_1Env_html"><div class="ttname"><a href="classripple_1_1test_1_1jtx_1_1Env.html">ripple::test::jtx::Env</a></div><div class="ttdoc">A transaction testing environment.</div><div class="ttdef"><b>Definition:</b> <a href="Env_8h_source.html#l00120">Env.h:121</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1jtx_1_1Env_html_a65bedb2e0babbd55343f721de9008a37"><div class="ttname"><a href="classripple_1_1test_1_1jtx_1_1Env.html#a65bedb2e0babbd55343f721de9008a37">ripple::test::jtx::Env::current</a></div><div class="ttdeci">std::shared_ptr&lt; OpenView const &gt; current() const</div><div class="ttdoc">Returns the current ledger.</div><div class="ttdef"><b>Definition:</b> <a href="Env_8h_source.html#l00331">Env.h:331</a></div></div>
<div class="ttc" id="aclassripple_1_1test_1_1jtx_1_1fee_html"><div class="ttname"><a href="classripple_1_1test_1_1jtx_1_1fee.html">ripple::test::jtx::fee</a></div><div class="ttdoc">Set the fee on a JTx.</div><div class="ttdef"><b>Definition:</b> <a href="fee_8h_source.html#l00036">fee.h:37</a></div></div>
<div class="ttc" id="acout_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/cout.html">std::cout</a></div></div>
<div class="ttc" id="aendl_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a></div><div class="ttdeci">T endl(T... args)</div></div>
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<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div></div>
<div class="ttc" id="amap_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/map.html">std::map</a></div></div>
<div class="ttc" id="anamespaceripple_1_1test_1_1jtx_html_a8e8d814b8820ce0b6979abde0d6a2618"><div class="ttname"><a href="namespaceripple_1_1test_1_1jtx.html#a8e8d814b8820ce0b6979abde0d6a2618">ripple::test::jtx::rate</a></div><div class="ttdeci">Json::Value rate(Account const &amp;account, double multiplier)</div><div class="ttdoc">Set a transfer rate.</div><div class="ttdef"><b>Definition:</b> <a href="rate_8cpp_source.html#l00032">rate.cpp:32</a></div></div>
<div class="ttc" id="anamespaceripple_1_1test_1_1jtx_html_ac423e2aa3fd7a14ae651849b430994f1"><div class="ttname"><a href="namespaceripple_1_1test_1_1jtx.html#ac423e2aa3fd7a14ae651849b430994f1">ripple::test::jtx::offer</a></div><div class="ttdeci">Json::Value offer(Account const &amp;account, STAmount const &amp;takerPays, STAmount const &amp;takerGets, std::uint32_t flags)</div><div class="ttdoc">Create an offer.</div><div class="ttdef"><b>Definition:</b> <a href="offer_8cpp_source.html#l00029">offer.cpp:29</a></div></div>
<div class="ttc" id="anamespaceripple_1_1test_1_1jtx_html_aea9cd3d4e6b5df2e62d53b34b605957e"><div class="ttname"><a href="namespaceripple_1_1test_1_1jtx.html#aea9cd3d4e6b5df2e62d53b34b605957e">ripple::test::jtx::XRP</a></div><div class="ttdeci">XRP_t const XRP</div><div class="ttdoc">Converts to XRP Issue or STAmount.</div><div class="ttdef"><b>Definition:</b> <a href="amount_8cpp_source.html#l00105">amount.cpp:105</a></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#l00026">algorithm.h:26</a></div></div>
<div class="ttc" id="anamespaceripple_html_a263796a7830204a27620035c603d2f15"><div class="ttname"><a href="namespaceripple.html#a263796a7830204a27620035c603d2f15">ripple::limitStepIn</a></div><div class="ttdeci">static void limitStepIn(Offer const &amp;offer, TAmounts&lt; TIn, TOut &gt; &amp;ofrAmt, TAmounts&lt; TIn, TOut &gt; &amp;stpAmt, TOut &amp;ownerGives, std::uint32_t transferRateIn, std::uint32_t transferRateOut, TIn const &amp;limit)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00660">BookStep.cpp:660</a></div></div>
<div class="ttc" id="anamespaceripple_html_a46ef81e270b726cb937bec7c0e0c8115"><div class="ttname"><a href="namespaceripple.html#a46ef81e270b726cb937bec7c0e0c8115">ripple::swapAssetIn</a></div><div class="ttdeci">TOut swapAssetIn(TAmounts&lt; TIn, TOut &gt; const &amp;pool, TIn const &amp;assetIn, std::uint16_t tfee)</div><div class="ttdoc">AMM pool invariant - the product (A * B) after swap in/out has to remain at least the same: (A + in) ...</div><div class="ttdef"><b>Definition:</b> <a href="AMMHelpers_8h_source.html#l00462">AMMHelpers.h:462</a></div></div>
<div class="ttc" id="anamespaceripple_html_a4ad5ac9da897292a28eea43d041c15a1"><div class="ttname"><a href="namespaceripple.html#a4ad5ac9da897292a28eea43d041c15a1">ripple::toSTAmount</a></div><div class="ttdeci">STAmount toSTAmount(IOUAmount const &amp;iou, Issue const &amp;iss)</div><div class="ttdef"><b>Definition:</b> <a href="AmountConversions_8h_source.html#l00032">AmountConversions.h:32</a></div></div>
<div class="ttc" id="anamespaceripple_html_a90756d1bf92c06c33bd890299a680166"><div class="ttname"><a href="namespaceripple.html#a90756d1bf92c06c33bd890299a680166">ripple::changeSpotPriceQuality</a></div><div class="ttdeci">std::optional&lt; TAmounts&lt; TIn, TOut &gt; &gt; changeSpotPriceQuality(TAmounts&lt; TIn, TOut &gt; const &amp;pool, Quality const &amp;quality, std::uint16_t tfee, Rules const &amp;rules, beast::Journal j)</div><div class="ttdoc">Generate AMM offer so that either updated Spot Price Quality (SPQ) is equal to LOB quality (in this c...</div><div class="ttdef"><b>Definition:</b> <a href="AMMHelpers_8h_source.html#l00329">AMMHelpers.h:329</a></div></div>
<div class="ttc" id="anamespaceripple_html_aa16a5e66c64d7a8b5c3a5123a2d21dfe"><div class="ttname"><a href="namespaceripple.html#aa16a5e66c64d7a8b5c3a5123a2d21dfe">ripple::limitStepOut</a></div><div class="ttdeci">static void limitStepOut(Offer const &amp;offer, TAmounts&lt; TIn, TOut &gt; &amp;ofrAmt, TAmounts&lt; TIn, TOut &gt; &amp;stpAmt, TOut &amp;ownerGives, std::uint32_t transferRateIn, std::uint32_t transferRateOut, TOut const &amp;limit)</div><div class="ttdef"><b>Definition:</b> <a href="BookStep_8cpp_source.html#l00691">BookStep.cpp:691</a></div></div>
<div class="ttc" id="anamespaceripple_html_aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc"><div class="ttname"><a href="namespaceripple.html#aad512dea42da4cc179f20c67de593c26ae3cc92c14a5e6dd1a7d94b6ff634d7fc">ripple::AttestationMatch::match</a></div><div class="ttdeci">@ match</div></div>
<div class="ttc" id="anamespaceripple_html_aaed451aa78786841714de20f3f345f23"><div class="ttname"><a href="namespaceripple.html#aaed451aa78786841714de20f3f345f23">ripple::mulRatio</a></div><div class="ttdeci">IOUAmount mulRatio(IOUAmount const &amp;amt, std::uint32_t num, std::uint32_t den, bool roundUp)</div><div class="ttdef"><b>Definition:</b> <a href="IOUAmount_8cpp_source.html#l00190">IOUAmount.cpp:190</a></div></div>
<div class="ttc" id="anamespaceripple_html_ab8defa1f235abbf44a60ccc6c71c6fdd"><div class="ttname"><a href="namespaceripple.html#ab8defa1f235abbf44a60ccc6c71c6fdd">ripple::ammLPTokens</a></div><div class="ttdeci">STAmount ammLPTokens(STAmount const &amp;asset1, STAmount const &amp;asset2, Issue const &amp;lptIssue)</div><div class="ttdoc">Calculate LP Tokens given AMM pool reserves.</div><div class="ttdef"><b>Definition:</b> <a href="AMMHelpers_8cpp_source.html#l00025">AMMHelpers.cpp:25</a></div></div>
<div class="ttc" id="anamespaceripple_html_ac124fe6744b7fe887dec949b56b16d50"><div class="ttname"><a href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">ripple::to_string</a></div><div class="ttdeci">std::string to_string(base_uint&lt; Bits, Tag &gt; const &amp;a)</div><div class="ttdef"><b>Definition:</b> <a href="base__uint_8h_source.html#l00630">base_uint.h:630</a></div></div>
<div class="ttc" id="anamespaceripple_html_ac82a0d6ad7894711d8f33c7c3392d277"><div class="ttname"><a href="namespaceripple.html#ac82a0d6ad7894711d8f33c7c3392d277">ripple::amountFromString</a></div><div class="ttdeci">STAmount amountFromString(Asset const &amp;asset, std::string const &amp;amount)</div><div class="ttdef"><b>Definition:</b> <a href="STAmount_8cpp_source.html#l00869">STAmount.cpp:869</a></div></div>
<div class="ttc" id="anamespaceripple_html_affb9400cd4cf6d952445bf00803cc92f"><div class="ttname"><a href="namespaceripple.html#affb9400cd4cf6d952445bf00803cc92f">ripple::swapAssetOut</a></div><div class="ttdeci">TIn swapAssetOut(TAmounts&lt; TIn, TOut &gt; const &amp;pool, TOut const &amp;assetOut, std::uint16_t tfee)</div><div class="ttdoc">Swap assetOut out of the pool and swap in a proportional amount of the other asset.</div><div class="ttdef"><b>Definition:</b> <a href="AMMHelpers_8h_source.html#l00535">AMMHelpers.h:535</a></div></div>
<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional</a></div></div>
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<div class="ttc" id="astol_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/stol.html">std::stoll</a></div><div class="ttdeci">T stoll(T... args)</div></div>
<div class="ttc" id="astr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">std::stringstream::str</a></div><div class="ttdeci">T str(T... args)</div></div>
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