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<li class="navelem"><a class="el" href="dir_a62226f9e3a6c7c5a3be455e2f87ae01.html">xrpld</a></li><li class="navelem"><a class="el" href="dir_a45383be4b466e94d1f055eccb2c6f46.html">consensus</a></li> </ul>
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<div class="headertitle"><div class="title">LedgerTiming.h</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#ifndef XRPL_APP_LEDGER_LEDGERTIMING_H_INCLUDED</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#define XRPL_APP_LEDGER_LEDGERTIMING_H_INCLUDED</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;xrpl/basics/chrono.h&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &lt;xrpl/beast/utility/Journal.h&gt;</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/chrono.html">chrono</a>&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="foldopen" id="foldopen00016" data-start="{" data-end="};">
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"><a class="line" href="namespaceripple.html#ac5538cf441d5076e290b5506ebb1d3c6"> 16</a></span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a> <span class="keyword">constexpr</span> <a class="code hl_variable" href="namespaceripple.html#ac5538cf441d5076e290b5506ebb1d3c6">ledgerPossibleTimeResolutions</a>[] = {</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a>{10},</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a>{20},</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a>{30},</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a>{60},</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a>{90},</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a>{120}};</div>
</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"><a class="line" href="namespaceripple.html#a70a22962c62019bd1d5728e3ba21d032"> 25</a></span><span class="keyword">auto</span> <span class="keyword">constexpr</span> <a class="code hl_variable" href="namespaceripple.html#a70a22962c62019bd1d5728e3ba21d032">ledgerDefaultTimeResolution</a> = <a class="code hl_variable" href="namespaceripple.html#ac5538cf441d5076e290b5506ebb1d3c6">ledgerPossibleTimeResolutions</a>[2];</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"><a class="line" href="namespaceripple.html#a82e58c7a4ba5450436885574fb2fd4f5"> 28</a></span><span class="keyword">auto</span> <span class="keyword">constexpr</span> <a class="code hl_variable" href="namespaceripple.html#a82e58c7a4ba5450436885574fb2fd4f5">ledgerGenesisTimeResolution</a> = <a class="code hl_variable" href="namespaceripple.html#ac5538cf441d5076e290b5506ebb1d3c6">ledgerPossibleTimeResolutions</a>[0];</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"><a class="line" href="namespaceripple.html#aee56752497274e2cdbd10a0b63252902"> 31</a></span><span class="keyword">auto</span> <span class="keyword">constexpr</span> <a class="code hl_variable" href="namespaceripple.html#aee56752497274e2cdbd10a0b63252902">increaseLedgerTimeResolutionEvery</a> = 8;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="namespaceripple.html#a1c71a595ba9979a341271b576bc58e48"> 34</a></span><span class="keyword">auto</span> <span class="keyword">constexpr</span> <a class="code hl_variable" href="namespaceripple.html#a1c71a595ba9979a341271b576bc58e48">decreaseLedgerTimeResolutionEvery</a> = 1;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Rep, <span class="keyword">class</span> Period, <span class="keyword">class</span> Seq&gt;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::duration&lt;Rep, Period&gt;</a></div>
<div class="foldopen" id="foldopen00061" data-start="{" data-end="}">
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="namespaceripple.html#aff311a94d0b7670cdfeb333f22a979df"> 61</a></span><a class="code hl_function" href="namespaceripple.html#aff311a94d0b7670cdfeb333f22a979df">getNextLedgerTimeResolution</a>(</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::duration&lt;Rep, Period&gt;</a> previousResolution,</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordtype">bool</span> previousAgree,</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> Seq ledgerSeq)</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span>{</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> ledgerSeq != Seq{0},</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="stringliteral">&quot;ripple:getNextLedgerTimeResolution : valid ledger sequence&quot;</span>);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">using namespace </span><a class="code hl_namespaceRef" href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a>;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// Find the current resolution:</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">auto</span> iter = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/find.html">std::find</a>(</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a>(<a class="code hl_variable" href="namespaceripple.html#ac5538cf441d5076e290b5506ebb1d3c6">ledgerPossibleTimeResolutions</a>),</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(<a class="code hl_variable" href="namespaceripple.html#ac5538cf441d5076e290b5506ebb1d3c6">ledgerPossibleTimeResolutions</a>),</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> previousResolution);</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> iter != <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(<a class="code hl_variable" href="namespaceripple.html#ac5538cf441d5076e290b5506ebb1d3c6">ledgerPossibleTimeResolutions</a>),</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="stringliteral">&quot;ripple:getNextLedgerTimeResolution : found time resolution&quot;</span>);</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="comment">// This should never happen, but just as a precaution</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">if</span> (iter == <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(<a class="code hl_variable" href="namespaceripple.html#ac5538cf441d5076e290b5506ebb1d3c6">ledgerPossibleTimeResolutions</a>))</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">return</span> previousResolution;</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="comment">// If we did not previously agree, we try to decrease the resolution to</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// improve the chance that we will agree now.</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">if</span> (!previousAgree &amp;&amp;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> (ledgerSeq % Seq{<a class="code hl_variable" href="namespaceripple.html#a1c71a595ba9979a341271b576bc58e48">decreaseLedgerTimeResolutionEvery</a>} == Seq{0}))</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> {</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">if</span> (++iter != <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(<a class="code hl_variable" href="namespaceripple.html#ac5538cf441d5076e290b5506ebb1d3c6">ledgerPossibleTimeResolutions</a>))</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">return</span> *iter;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</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="comment">// If we previously agreed, we try to increase the resolution to determine</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="comment">// if we can continue to agree.</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">if</span> (previousAgree &amp;&amp;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> (ledgerSeq % Seq{<a class="code hl_variable" href="namespaceripple.html#aee56752497274e2cdbd10a0b63252902">increaseLedgerTimeResolutionEvery</a>} == Seq{0}))</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> {</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">if</span> (iter-- != <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a>(<a class="code hl_variable" href="namespaceripple.html#ac5538cf441d5076e290b5506ebb1d3c6">ledgerPossibleTimeResolutions</a>))</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">return</span> *iter;</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> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">return</span> previousResolution;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span>}</div>
</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Clock, <span class="keyword">class</span> Duration, <span class="keyword">class</span> Rep, <span class="keyword">class</span> Period&gt;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">std::chrono::time_point&lt;Clock, Duration&gt;</a></div>
<div class="foldopen" id="foldopen00114" data-start="{" data-end="}">
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"><a class="line" href="namespaceripple.html#a45507a299fab4f0506b9fcf559fddae3"> 114</a></span><a class="code hl_function" href="namespaceripple.html#a45507a299fab4f0506b9fcf559fddae3">roundCloseTime</a>(</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">std::chrono::time_point&lt;Clock, Duration&gt;</a> closeTime,</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::duration&lt;Rep, Period&gt;</a> closeResolution)</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span>{</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">using </span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">time_point</a> = <span class="keyword">decltype</span>(closeTime);</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">if</span> (closeTime == <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">time_point</a>{})</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">return</span> closeTime;</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> closeTime += (closeResolution / 2);</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">return</span> closeTime - (closeTime.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/chrono/time_point/time_since_epoch.html">time_since_epoch</a>() % closeResolution);</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span>}</div>
</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Clock, <span class="keyword">class</span> Duration, <span class="keyword">class</span> Rep, <span class="keyword">class</span> Period&gt;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">std::chrono::time_point&lt;Clock, Duration&gt;</a></div>
<div class="foldopen" id="foldopen00137" data-start="{" data-end="}">
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"><a class="line" href="namespaceripple.html#a1a316bd867fbe7f7ba41e715b4be0a5b"> 137</a></span><a class="code hl_function" href="namespaceripple.html#a1a316bd867fbe7f7ba41e715b4be0a5b">effCloseTime</a>(</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">std::chrono::time_point&lt;Clock, Duration&gt;</a> closeTime,</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::duration&lt;Rep, Period&gt;</a> resolution,</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">std::chrono::time_point&lt;Clock, Duration&gt;</a> priorCloseTime)</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="keyword">using namespace </span>std::chrono_literals;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keyword">using </span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">time_point</a> = <span class="keyword">decltype</span>(closeTime);</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">if</span> (closeTime == <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">time_point</a>{})</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">return</span> closeTime;</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> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::max&lt;time_point&gt;</a>(</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <a class="code hl_function" href="namespaceripple.html#a45507a299fab4f0506b9fcf559fddae3">roundCloseTime</a>(closeTime, resolution), (priorCloseTime + 1s));</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span>}</div>
</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span>} <span class="comment">// namespace ripple</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="abegin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a></div><div class="ttdeci">T begin(T... args)</div></div>
<div class="ttc" id="achrono_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/chrono.html">chrono</a></div></div>
<div class="ttc" id="aduration_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a></div></div>
<div class="ttc" id="aend_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a></div><div class="ttdeci">T end(T... args)</div></div>
<div class="ttc" id="afind_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/find.html">std::find</a></div><div class="ttdeci">T find(T... args)</div></div>
<div class="ttc" id="ais_same_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/is_same.html">std::is_same_v</a></div><div class="ttdeci">T is_same_v</div></div>
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition</b> <a href="algorithm_8h_source.html#l00006">algorithm.h:6</a></div></div>
<div class="ttc" id="anamespaceripple_html_a1a316bd867fbe7f7ba41e715b4be0a5b"><div class="ttname"><a href="namespaceripple.html#a1a316bd867fbe7f7ba41e715b4be0a5b">ripple::effCloseTime</a></div><div class="ttdeci">std::chrono::time_point&lt; Clock, Duration &gt; effCloseTime(std::chrono::time_point&lt; Clock, Duration &gt; closeTime, std::chrono::duration&lt; Rep, Period &gt; resolution, std::chrono::time_point&lt; Clock, Duration &gt; priorCloseTime)</div><div class="ttdoc">Calculate the effective ledger close time.</div><div class="ttdef"><b>Definition</b> <a href="LedgerTiming_8h_source.html#l00137">LedgerTiming.h:137</a></div></div>
<div class="ttc" id="anamespaceripple_html_a1c71a595ba9979a341271b576bc58e48"><div class="ttname"><a href="namespaceripple.html#a1c71a595ba9979a341271b576bc58e48">ripple::decreaseLedgerTimeResolutionEvery</a></div><div class="ttdeci">auto constexpr decreaseLedgerTimeResolutionEvery</div><div class="ttdoc">How often we decrease the close time resolution (in numbers of ledgers)</div><div class="ttdef"><b>Definition</b> <a href="LedgerTiming_8h_source.html#l00034">LedgerTiming.h:34</a></div></div>
<div class="ttc" id="anamespaceripple_html_a45507a299fab4f0506b9fcf559fddae3"><div class="ttname"><a href="namespaceripple.html#a45507a299fab4f0506b9fcf559fddae3">ripple::roundCloseTime</a></div><div class="ttdeci">std::chrono::time_point&lt; Clock, Duration &gt; roundCloseTime(std::chrono::time_point&lt; Clock, Duration &gt; closeTime, std::chrono::duration&lt; Rep, Period &gt; closeResolution)</div><div class="ttdoc">Calculates the close time for a ledger, given a close time resolution.</div><div class="ttdef"><b>Definition</b> <a href="LedgerTiming_8h_source.html#l00114">LedgerTiming.h:114</a></div></div>
<div class="ttc" id="anamespaceripple_html_a70a22962c62019bd1d5728e3ba21d032"><div class="ttname"><a href="namespaceripple.html#a70a22962c62019bd1d5728e3ba21d032">ripple::ledgerDefaultTimeResolution</a></div><div class="ttdeci">auto constexpr ledgerDefaultTimeResolution</div><div class="ttdoc">Initial resolution of ledger close time.</div><div class="ttdef"><b>Definition</b> <a href="LedgerTiming_8h_source.html#l00025">LedgerTiming.h:25</a></div></div>
<div class="ttc" id="anamespaceripple_html_a82e58c7a4ba5450436885574fb2fd4f5"><div class="ttname"><a href="namespaceripple.html#a82e58c7a4ba5450436885574fb2fd4f5">ripple::ledgerGenesisTimeResolution</a></div><div class="ttdeci">auto constexpr ledgerGenesisTimeResolution</div><div class="ttdoc">Close time resolution in genesis ledger.</div><div class="ttdef"><b>Definition</b> <a href="LedgerTiming_8h_source.html#l00028">LedgerTiming.h:28</a></div></div>
<div class="ttc" id="anamespaceripple_html_ac5538cf441d5076e290b5506ebb1d3c6"><div class="ttname"><a href="namespaceripple.html#ac5538cf441d5076e290b5506ebb1d3c6">ripple::ledgerPossibleTimeResolutions</a></div><div class="ttdeci">std::chrono::seconds constexpr ledgerPossibleTimeResolutions[]</div><div class="ttdoc">Possible ledger close time resolutions.</div><div class="ttdef"><b>Definition</b> <a href="LedgerTiming_8h_source.html#l00016">LedgerTiming.h:16</a></div></div>
<div class="ttc" id="anamespaceripple_html_aee56752497274e2cdbd10a0b63252902"><div class="ttname"><a href="namespaceripple.html#aee56752497274e2cdbd10a0b63252902">ripple::increaseLedgerTimeResolutionEvery</a></div><div class="ttdeci">auto constexpr increaseLedgerTimeResolutionEvery</div><div class="ttdoc">How often we increase the close time resolution (in numbers of ledgers)</div><div class="ttdef"><b>Definition</b> <a href="LedgerTiming_8h_source.html#l00031">LedgerTiming.h:31</a></div></div>
<div class="ttc" id="anamespaceripple_html_aff311a94d0b7670cdfeb333f22a979df"><div class="ttname"><a href="namespaceripple.html#aff311a94d0b7670cdfeb333f22a979df">ripple::getNextLedgerTimeResolution</a></div><div class="ttdeci">std::chrono::duration&lt; Rep, Period &gt; getNextLedgerTimeResolution(std::chrono::duration&lt; Rep, Period &gt; previousResolution, bool previousAgree, Seq ledgerSeq)</div><div class="ttdoc">Calculates the close time resolution for the specified ledger.</div><div class="ttdef"><b>Definition</b> <a href="LedgerTiming_8h_source.html#l00061">LedgerTiming.h:61</a></div></div>
<div class="ttc" id="anamespacestd_1_1chrono_html"><div class="ttname"><a href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a></div></div>
<div class="ttc" id="atime_point_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/chrono/time_point.html">std::chrono::time_point</a></div></div>
<div class="ttc" id="atime_since_epoch_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/chrono/time_point/time_since_epoch.html">std::chrono::time_point::time_since_epoch</a></div><div class="ttdeci">T time_since_epoch(T... args)</div></div>
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