mirror of
https://github.com/seigler/dash-docs
synced 2025-07-27 17:56:16 +00:00
154 lines
73 KiB
HTML
154 lines
73 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
|
<meta name="generator" content="Doxygen 1.8.14"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>Dash Core: src/pow.cpp Source File</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="jquery.js"></script>
|
|
<script type="text/javascript" src="dynsections.js"></script>
|
|
<link href="navtree.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="resize.js"></script>
|
|
<script type="text/javascript" src="navtreedata.js"></script>
|
|
<script type="text/javascript" src="navtree.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(document).ready(initResizable);
|
|
/* @license-end */</script>
|
|
<link href="search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="search/searchdata.js"></script>
|
|
<script type="text/javascript" src="search/search.js"></script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr style="height: 56px;">
|
|
<td id="projectlogo"><img alt="Logo" src="bitcoin_logo_doxygen.png"/></td>
|
|
<td id="projectalign" style="padding-left: 0.5em;">
|
|
<div id="projectname">Dash Core
|
|
 <span id="projectnumber">0.12.2.1</span>
|
|
</div>
|
|
<div id="projectbrief">P2P Digital Currency</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.8.14 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|
/* @license-end */
|
|
</script>
|
|
<script type="text/javascript" src="menudata.js"></script>
|
|
<script type="text/javascript" src="menu.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(function() {
|
|
initMenu('',true,false,'search.php','Search');
|
|
$(document).ready(function() { init_search(); });
|
|
});
|
|
/* @license-end */</script>
|
|
<div id="main-nav"></div>
|
|
</div><!-- top -->
|
|
<div id="side-nav" class="ui-resizable side-nav-resizable">
|
|
<div id="nav-tree">
|
|
<div id="nav-tree-contents">
|
|
<div id="nav-sync" class="sync"></div>
|
|
</div>
|
|
</div>
|
|
<div id="splitbar" style="-moz-user-select:none;"
|
|
class="ui-resizable-handle">
|
|
</div>
|
|
</div>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(document).ready(function(){initNavTree('pow_8cpp_source.html','');});
|
|
/* @license-end */
|
|
</script>
|
|
<div id="doc-content">
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<iframe src="javascript:void(0)" frameborder="0"
|
|
name="MSearchResults" id="MSearchResults">
|
|
</iframe>
|
|
</div>
|
|
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">pow.cpp</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<a href="pow_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright (c) 2009-2010 Satoshi Nakamoto</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright (c) 2009-2015 The Bitcoin Core developers</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Distributed under the MIT software license, see the accompanying</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// file COPYING or http://www.opensource.org/licenses/mit-license.php.</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "<a class="code" href="pow_8h.html">pow.h</a>"</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "<a class="code" href="arith__uint256_8h.html">arith_uint256.h</a>"</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "<a class="code" href="chain_8h.html">chain.h</a>"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "<a class="code" href="chainparams_8h.html">chainparams.h</a>"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "<a class="code" href="block_8h.html">primitives/block.h</a>"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "<a class="code" href="uint256_8h.html">uint256.h</a>"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "<a class="code" href="util_8h.html">util.h</a>"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <math.h></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="pow_8cpp.html#a7dfe5a74605ee9c8d209294c84894575"> 17</a></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="keyword">static</span> <a class="code" href="pow_8cpp.html#a7dfe5a74605ee9c8d209294c84894575">KimotoGravityWell</a>(<span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a>* pindexLast, <span class="keyword">const</span> <a class="code" href="structConsensus_1_1Params.html">Consensus::Params</a>& params) {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a> *BlockLastSolved = pindexLast;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a> *BlockReading = pindexLast;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  uint64_t PastBlocksMass = 0;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  int64_t PastRateActualSeconds = 0;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  int64_t PastRateTargetSeconds = 0;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keywordtype">double</span> PastRateAdjustmentRatio = double(1);</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <a class="code" href="classarith__uint256.html">arith_uint256</a> PastDifficultyAverage;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <a class="code" href="classarith__uint256.html">arith_uint256</a> PastDifficultyAveragePrev;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordtype">double</span> EventHorizonDeviation;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordtype">double</span> EventHorizonDeviationFast;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordtype">double</span> EventHorizonDeviationSlow;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  uint64_t pastSecondsMin = params.<a class="code" href="structConsensus_1_1Params.html#a8b9343e945d8f51e5706511dea99a63d">nPowTargetTimespan</a> * 0.025;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  uint64_t pastSecondsMax = params.<a class="code" href="structConsensus_1_1Params.html#a8b9343e945d8f51e5706511dea99a63d">nPowTargetTimespan</a> * 7;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  uint64_t PastBlocksMin = pastSecondsMin / params.<a class="code" href="structConsensus_1_1Params.html#aea6ebb563ceffd026cc7c11d3e9b192e">nPowTargetSpacing</a>;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  uint64_t PastBlocksMax = pastSecondsMax / params.<a class="code" href="structConsensus_1_1Params.html#aea6ebb563ceffd026cc7c11d3e9b192e">nPowTargetSpacing</a>;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">if</span> (BlockLastSolved == NULL || BlockLastSolved-><a class="code" href="classCBlockIndex.html#aebfc8d6b95852546760e742553d7bfd5">nHeight</a> == 0 || (uint64_t)BlockLastSolved-><a class="code" href="classCBlockIndex.html#aebfc8d6b95852546760e742553d7bfd5">nHeight</a> < PastBlocksMin) { <span class="keywordflow">return</span> <a class="code" href="arith__uint256_8cpp.html#a6a6e0e2e41ba7e31c4a741eb2426a516">UintToArith256</a>(params.<a class="code" href="structConsensus_1_1Params.html#ab649d11fd185e2be01a7f61bbe39e58e">powLimit</a>).<a class="code" href="classarith__uint256.html#a0eeee9d8f29143ddf1bff2b1ffa8fdc1">GetCompact</a>(); }</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 1; BlockReading && BlockReading-><a class="code" href="classCBlockIndex.html#aebfc8d6b95852546760e742553d7bfd5">nHeight</a> > 0; i++) {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">if</span> (PastBlocksMax > 0 && i > PastBlocksMax) { <span class="keywordflow">break</span>; }</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  PastBlocksMass++;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  PastDifficultyAverage.<a class="code" href="classarith__uint256.html#a458133c9f123519646b07e6143f2164f">SetCompact</a>(BlockReading-><a class="code" href="classCBlockIndex.html#a3324894e6af612d1bd76f89378435713">nBits</a>);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> (i > 1) {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// handle negative arith_uint256</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">if</span>(PastDifficultyAverage >= PastDifficultyAveragePrev)</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  PastDifficultyAverage = ((PastDifficultyAverage - PastDifficultyAveragePrev) / i) + PastDifficultyAveragePrev;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  PastDifficultyAverage = PastDifficultyAveragePrev - ((PastDifficultyAveragePrev - PastDifficultyAverage) / i);</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  }</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  PastDifficultyAveragePrev = PastDifficultyAverage;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  PastRateActualSeconds = BlockLastSolved-><a class="code" href="classCBlockIndex.html#a9fe0d4463c07c466f66252e8eec25f5c">GetBlockTime</a>() - BlockReading-><a class="code" href="classCBlockIndex.html#a9fe0d4463c07c466f66252e8eec25f5c">GetBlockTime</a>();</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  PastRateTargetSeconds = params.<a class="code" href="structConsensus_1_1Params.html#aea6ebb563ceffd026cc7c11d3e9b192e">nPowTargetSpacing</a> * PastBlocksMass;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  PastRateAdjustmentRatio = double(1);</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (PastRateActualSeconds < 0) { PastRateActualSeconds = 0; }</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">if</span> (PastRateActualSeconds != 0 && PastRateTargetSeconds != 0) {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  PastRateAdjustmentRatio = double(PastRateTargetSeconds) / double(PastRateActualSeconds);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  EventHorizonDeviation = 1 + (0.7084 * pow((<span class="keywordtype">double</span>(PastBlocksMass)/<span class="keywordtype">double</span>(28.2)), -1.228));</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  EventHorizonDeviationFast = EventHorizonDeviation;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  EventHorizonDeviationSlow = 1 / EventHorizonDeviation;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> (PastBlocksMass >= PastBlocksMin) {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">if</span> ((PastRateAdjustmentRatio <= EventHorizonDeviationSlow) || (PastRateAdjustmentRatio >= EventHorizonDeviationFast))</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  { assert(BlockReading); <span class="keywordflow">break</span>; }</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (BlockReading-><a class="code" href="classCBlockIndex.html#a1ef11137155df1dd5c81491630cece39">pprev</a> == NULL) { assert(BlockReading); <span class="keywordflow">break</span>; }</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  BlockReading = BlockReading-><a class="code" href="classCBlockIndex.html#a1ef11137155df1dd5c81491630cece39">pprev</a>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="classarith__uint256.html">arith_uint256</a> bnNew(PastDifficultyAverage);</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span> (PastRateActualSeconds != 0 && PastRateTargetSeconds != 0) {</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  bnNew *= PastRateActualSeconds;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  bnNew /= PastRateTargetSeconds;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (bnNew > <a class="code" href="arith__uint256_8cpp.html#a6a6e0e2e41ba7e31c4a741eb2426a516">UintToArith256</a>(params.<a class="code" href="structConsensus_1_1Params.html#ab649d11fd185e2be01a7f61bbe39e58e">powLimit</a>)) {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  bnNew = <a class="code" href="arith__uint256_8cpp.html#a6a6e0e2e41ba7e31c4a741eb2426a516">UintToArith256</a>(params.<a class="code" href="structConsensus_1_1Params.html#ab649d11fd185e2be01a7f61bbe39e58e">powLimit</a>);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> bnNew.<a class="code" href="classarith__uint256.html#a0eeee9d8f29143ddf1bff2b1ffa8fdc1">GetCompact</a>();</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="pow_8cpp.html#a0ea04833c9b6ab27d7c0d8f0d3eacf83"> 83</a></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="keyword">static</span> <a class="code" href="pow_8cpp.html#a0ea04833c9b6ab27d7c0d8f0d3eacf83">DarkGravityWave</a>(<span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a>* pindexLast, <span class="keyword">const</span> <a class="code" href="structConsensus_1_1Params.html">Consensus::Params</a>& params) {</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">/* current difficulty formula, dash - DarkGravity v3, written by Evan Duffield - evan@dash.org */</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> <a class="code" href="classarith__uint256.html">arith_uint256</a> bnPowLimit = <a class="code" href="arith__uint256_8cpp.html#a6a6e0e2e41ba7e31c4a741eb2426a516">UintToArith256</a>(params.<a class="code" href="structConsensus_1_1Params.html#ab649d11fd185e2be01a7f61bbe39e58e">powLimit</a>);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  int64_t nPastBlocks = 24;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// make sure we have at least (nPastBlocks + 1) blocks, otherwise just return powLimit</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (!pindexLast || pindexLast-><a class="code" href="classCBlockIndex.html#aebfc8d6b95852546760e742553d7bfd5">nHeight</a> < nPastBlocks) {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> bnPowLimit.<a class="code" href="classarith__uint256.html#a0eeee9d8f29143ddf1bff2b1ffa8fdc1">GetCompact</a>();</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a> *pindex = pindexLast;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="classarith__uint256.html">arith_uint256</a> bnPastTargetAvg;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nCountBlocks = 1; nCountBlocks <= nPastBlocks; nCountBlocks++) {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="classarith__uint256.html">arith_uint256</a> bnTarget = <a class="code" href="classarith__uint256.html">arith_uint256</a>().<a class="code" href="classarith__uint256.html#a458133c9f123519646b07e6143f2164f">SetCompact</a>(pindex-><a class="code" href="classCBlockIndex.html#a3324894e6af612d1bd76f89378435713">nBits</a>);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> (nCountBlocks == 1) {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  bnPastTargetAvg = bnTarget;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// NOTE: that's not an average really...</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  bnPastTargetAvg = (bnPastTargetAvg * nCountBlocks + bnTarget) / (nCountBlocks + 1);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span>(nCountBlocks != nPastBlocks) {</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  assert(pindex-><a class="code" href="classCBlockIndex.html#a1ef11137155df1dd5c81491630cece39">pprev</a>); <span class="comment">// should never fail</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  pindex = pindex-><a class="code" href="classCBlockIndex.html#a1ef11137155df1dd5c81491630cece39">pprev</a>;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="classarith__uint256.html">arith_uint256</a> bnNew(bnPastTargetAvg);</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  int64_t nActualTimespan = pindexLast-><a class="code" href="classCBlockIndex.html#a9fe0d4463c07c466f66252e8eec25f5c">GetBlockTime</a>() - pindex-><a class="code" href="classCBlockIndex.html#a9fe0d4463c07c466f66252e8eec25f5c">GetBlockTime</a>();</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// NOTE: is this accurate? nActualTimespan counts it for (nPastBlocks - 1) blocks only...</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  int64_t nTargetTimespan = nPastBlocks * params.<a class="code" href="structConsensus_1_1Params.html#aea6ebb563ceffd026cc7c11d3e9b192e">nPowTargetSpacing</a>;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (nActualTimespan < nTargetTimespan/3)</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  nActualTimespan = nTargetTimespan/3;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (nActualTimespan > nTargetTimespan*3)</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  nActualTimespan = nTargetTimespan*3;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// Retarget</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  bnNew *= nActualTimespan;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  bnNew /= nTargetTimespan;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span> (bnNew > bnPowLimit) {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  bnNew = bnPowLimit;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">return</span> bnNew.<a class="code" href="classarith__uint256.html#a0eeee9d8f29143ddf1bff2b1ffa8fdc1">GetCompact</a>();</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> }</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="pow_8cpp.html#a2d653c456b2a9cfe2103a4518f3a8221"> 133</a></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="pow_8cpp.html#a2d653c456b2a9cfe2103a4518f3a8221">GetNextWorkRequiredBTC</a>(<span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a>* pindexLast, <span class="keyword">const</span> <a class="code" href="classCBlockHeader.html">CBlockHeader</a> *pblock, <span class="keyword">const</span> <a class="code" href="structConsensus_1_1Params.html">Consensus::Params</a>& params)</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nProofOfWorkLimit = <a class="code" href="arith__uint256_8cpp.html#a6a6e0e2e41ba7e31c4a741eb2426a516">UintToArith256</a>(params.<a class="code" href="structConsensus_1_1Params.html#ab649d11fd185e2be01a7f61bbe39e58e">powLimit</a>).<a class="code" href="classarith__uint256.html#a0eeee9d8f29143ddf1bff2b1ffa8fdc1">GetCompact</a>();</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// Genesis block</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (pindexLast == NULL)</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">return</span> nProofOfWorkLimit;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// Only change once per interval</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span> ((pindexLast-><a class="code" href="classCBlockIndex.html#aebfc8d6b95852546760e742553d7bfd5">nHeight</a>+1) % params.<a class="code" href="structConsensus_1_1Params.html#a3e7c7ce8a76bf0071c225e549f088532">DifficultyAdjustmentInterval</a>() != 0)</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  {</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> (params.<a class="code" href="structConsensus_1_1Params.html#afd9757f632e52fc76d944bee2925f1f0">fPowAllowMinDifficultyBlocks</a>)</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  {</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// Special difficulty rule for testnet:</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// If the new block's timestamp is more than 2* 2.5 minutes</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// then allow mining of a min-difficulty block.</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (pblock-><a class="code" href="classCBlockHeader.html#abad634d81d4c810390fa2080d79633e8">GetBlockTime</a>() > pindexLast-><a class="code" href="classCBlockIndex.html#a9fe0d4463c07c466f66252e8eec25f5c">GetBlockTime</a>() + params.<a class="code" href="structConsensus_1_1Params.html#aea6ebb563ceffd026cc7c11d3e9b192e">nPowTargetSpacing</a>*2)</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">return</span> nProofOfWorkLimit;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// Return the last non-special-min-difficulty-rules-block</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a>* pindex = pindexLast;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">while</span> (pindex-><a class="code" href="classCBlockIndex.html#a1ef11137155df1dd5c81491630cece39">pprev</a> && pindex-><a class="code" href="classCBlockIndex.html#aebfc8d6b95852546760e742553d7bfd5">nHeight</a> % params.<a class="code" href="structConsensus_1_1Params.html#a3e7c7ce8a76bf0071c225e549f088532">DifficultyAdjustmentInterval</a>() != 0 && pindex-><a class="code" href="classCBlockIndex.html#a3324894e6af612d1bd76f89378435713">nBits</a> == nProofOfWorkLimit)</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  pindex = pindex-><a class="code" href="classCBlockIndex.html#a1ef11137155df1dd5c81491630cece39">pprev</a>;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> pindex-><a class="code" href="classCBlockIndex.html#a3324894e6af612d1bd76f89378435713">nBits</a>;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">return</span> pindexLast-><a class="code" href="classCBlockIndex.html#a3324894e6af612d1bd76f89378435713">nBits</a>;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="comment">// Go back by what we want to be 1 day worth of blocks</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">int</span> nHeightFirst = pindexLast-><a class="code" href="classCBlockIndex.html#aebfc8d6b95852546760e742553d7bfd5">nHeight</a> - (params.<a class="code" href="structConsensus_1_1Params.html#a3e7c7ce8a76bf0071c225e549f088532">DifficultyAdjustmentInterval</a>()-1);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  assert(nHeightFirst >= 0);</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a>* pindexFirst = pindexLast-><a class="code" href="classCBlockIndex.html#ae1f702384690c6b8302e026a84172ef3">GetAncestor</a>(nHeightFirst);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  assert(pindexFirst);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> <a class="code" href="pow_8cpp.html#aeb760adff75ed6ca74ae6b345555bcb4">CalculateNextWorkRequired</a>(pindexLast, pindexFirst-><a class="code" href="classCBlockIndex.html#a9fe0d4463c07c466f66252e8eec25f5c">GetBlockTime</a>(), params);</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> }</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="pow_8h.html#a4f7bb22f6a188117b401966decb048b5"> 172</a></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="pow_8cpp.html#a444323ddc75c2b90f484fa9b9da31dc8">GetNextWorkRequired</a>(<span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a>* pindexLast, <span class="keyword">const</span> <a class="code" href="classCBlockHeader.html">CBlockHeader</a> *pblock, <span class="keyword">const</span> <a class="code" href="structConsensus_1_1Params.html">Consensus::Params</a>& params)</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> {</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> retarget = <a class="code" href="pow_8h.html#a8f131530ac35e565b56cfc1e857e5f02a31825da354804760c6916ecfed7a586a">DIFF_DGW</a>;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// mainnet/regtest share a configuration</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">if</span> (<a class="code" href="chainparams_8cpp.html#ace5c5b706d71a324a417dd2db394fd4a">Params</a>().NetworkIDString() == <a class="code" href="classCBaseChainParams.html#ae2c5dfdbbff4d5f92948258a7b4db47b">CBaseChainParams::MAIN</a> || <a class="code" href="chainparams_8cpp.html#ace5c5b706d71a324a417dd2db394fd4a">Params</a>().NetworkIDString() == <a class="code" href="classCBaseChainParams.html#a49cecf92f25361a49999a88cc92c1809">CBaseChainParams::REGTEST</a>) {</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">if</span> (pindexLast-><a class="code" href="classCBlockIndex.html#aebfc8d6b95852546760e742553d7bfd5">nHeight</a> + 1 >= 34140) retarget = <a class="code" href="pow_8h.html#a8f131530ac35e565b56cfc1e857e5f02a31825da354804760c6916ecfed7a586a">DIFF_DGW</a>;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pindexLast-><a class="code" href="classCBlockIndex.html#aebfc8d6b95852546760e742553d7bfd5">nHeight</a> + 1 >= 15200) retarget = <a class="code" href="pow_8h.html#a8f131530ac35e565b56cfc1e857e5f02a989bf0976493af2171e71c38be869c98">DIFF_KGW</a>;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">else</span> retarget = <a class="code" href="pow_8h.html#a8f131530ac35e565b56cfc1e857e5f02a135929a05c72016124855105d3d24851">DIFF_BTC</a>;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// testnet -- we want a lot of coins in existance early on</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">if</span> (pindexLast-><a class="code" href="classCBlockIndex.html#aebfc8d6b95852546760e742553d7bfd5">nHeight</a> + 1 >= 4001) retarget = <a class="code" href="pow_8h.html#a8f131530ac35e565b56cfc1e857e5f02a31825da354804760c6916ecfed7a586a">DIFF_DGW</a>;</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">else</span> retarget = <a class="code" href="pow_8h.html#a8f131530ac35e565b56cfc1e857e5f02a135929a05c72016124855105d3d24851">DIFF_BTC</a>;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">// Bitcoin style retargeting</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span> (retarget == <a class="code" href="pow_8h.html#a8f131530ac35e565b56cfc1e857e5f02a135929a05c72016124855105d3d24851">DIFF_BTC</a>)</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  {</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> <a class="code" href="pow_8cpp.html#a2d653c456b2a9cfe2103a4518f3a8221">GetNextWorkRequiredBTC</a>(pindexLast, pblock, params);</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// Retarget using Kimoto Gravity Wave</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (retarget == <a class="code" href="pow_8h.html#a8f131530ac35e565b56cfc1e857e5f02a989bf0976493af2171e71c38be869c98">DIFF_KGW</a>)</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  {</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">return</span> <a class="code" href="pow_8cpp.html#a7dfe5a74605ee9c8d209294c84894575">KimotoGravityWell</a>(pindexLast, params);</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// Retarget using Dark Gravity Wave 3 by default</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">return</span> <a class="code" href="pow_8cpp.html#a0ea04833c9b6ab27d7c0d8f0d3eacf83">DarkGravityWave</a>(pindexLast, params);</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> }</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment">// for DIFF_BTC only!</span></div><div class="line"><a name="l00204"></a><span class="lineno"><a class="line" href="pow_8h.html#ae040e051ee33e04c33124b0742480f0c"> 204</a></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="pow_8cpp.html#aeb760adff75ed6ca74ae6b345555bcb4">CalculateNextWorkRequired</a>(<span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a>* pindexLast, int64_t nFirstBlockTime, <span class="keyword">const</span> <a class="code" href="structConsensus_1_1Params.html">Consensus::Params</a>& params)</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> {</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (params.<a class="code" href="structConsensus_1_1Params.html#a83f8cd20209157d057de6f2ad0731cf9">fPowNoRetargeting</a>)</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> pindexLast-><a class="code" href="classCBlockIndex.html#a3324894e6af612d1bd76f89378435713">nBits</a>;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// Limit adjustment step</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  int64_t nActualTimespan = pindexLast-><a class="code" href="classCBlockIndex.html#a9fe0d4463c07c466f66252e8eec25f5c">GetBlockTime</a>() - nFirstBlockTime;</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <a class="code" href="util_8h.html#afc02c0a4258fedfb316be612bb659ba8">LogPrintf</a>(<span class="stringliteral">" nActualTimespan = %d before bounds\n"</span>, nActualTimespan);</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">if</span> (nActualTimespan < params.<a class="code" href="structConsensus_1_1Params.html#a8b9343e945d8f51e5706511dea99a63d">nPowTargetTimespan</a>/4)</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  nActualTimespan = params.<a class="code" href="structConsensus_1_1Params.html#a8b9343e945d8f51e5706511dea99a63d">nPowTargetTimespan</a>/4;</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">if</span> (nActualTimespan > params.<a class="code" href="structConsensus_1_1Params.html#a8b9343e945d8f51e5706511dea99a63d">nPowTargetTimespan</a>*4)</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  nActualTimespan = params.<a class="code" href="structConsensus_1_1Params.html#a8b9343e945d8f51e5706511dea99a63d">nPowTargetTimespan</a>*4;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// Retarget</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">const</span> <a class="code" href="classarith__uint256.html">arith_uint256</a> bnPowLimit = <a class="code" href="arith__uint256_8cpp.html#a6a6e0e2e41ba7e31c4a741eb2426a516">UintToArith256</a>(params.<a class="code" href="structConsensus_1_1Params.html#ab649d11fd185e2be01a7f61bbe39e58e">powLimit</a>);</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <a class="code" href="classarith__uint256.html">arith_uint256</a> bnNew;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <a class="code" href="classarith__uint256.html">arith_uint256</a> bnOld;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  bnNew.<a class="code" href="classarith__uint256.html#a458133c9f123519646b07e6143f2164f">SetCompact</a>(pindexLast-><a class="code" href="classCBlockIndex.html#a3324894e6af612d1bd76f89378435713">nBits</a>);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  bnOld = bnNew;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  bnNew *= nActualTimespan;</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  bnNew /= params.<a class="code" href="structConsensus_1_1Params.html#a8b9343e945d8f51e5706511dea99a63d">nPowTargetTimespan</a>;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (bnNew > bnPowLimit)</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  bnNew = bnPowLimit;</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="util_8h.html#afc02c0a4258fedfb316be612bb659ba8">LogPrintf</a>(<span class="stringliteral">"GetNextWorkRequired RETARGET\n"</span>);</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <a class="code" href="util_8h.html#afc02c0a4258fedfb316be612bb659ba8">LogPrintf</a>(<span class="stringliteral">"params.nPowTargetTimespan = %d nActualTimespan = %d\n"</span>, params.<a class="code" href="structConsensus_1_1Params.html#a8b9343e945d8f51e5706511dea99a63d">nPowTargetTimespan</a>, nActualTimespan);</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="util_8h.html#afc02c0a4258fedfb316be612bb659ba8">LogPrintf</a>(<span class="stringliteral">"Before: %08x %s\n"</span>, pindexLast-><a class="code" href="classCBlockIndex.html#a3324894e6af612d1bd76f89378435713">nBits</a>, bnOld.<a class="code" href="classbase__uint.html#acccba4d9d51a0c36261718ca0cbb293b">ToString</a>());</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="util_8h.html#afc02c0a4258fedfb316be612bb659ba8">LogPrintf</a>(<span class="stringliteral">"After: %08x %s\n"</span>, bnNew.<a class="code" href="classarith__uint256.html#a0eeee9d8f29143ddf1bff2b1ffa8fdc1">GetCompact</a>(), bnNew.<a class="code" href="classbase__uint.html#acccba4d9d51a0c36261718ca0cbb293b">ToString</a>());</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span> bnNew.<a class="code" href="classarith__uint256.html#a0eeee9d8f29143ddf1bff2b1ffa8fdc1">GetCompact</a>();</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> }</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="pow_8h.html#a8d60d8d6ddca0963bb51f6436aaee3fd"> 238</a></span> <span class="keywordtype">bool</span> <a class="code" href="pow_8cpp.html#a4e1129d7ab72643eb7e830f7f72953d7">CheckProofOfWork</a>(<a class="code" href="classuint256.html">uint256</a> hash, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nBits, <span class="keyword">const</span> <a class="code" href="structConsensus_1_1Params.html">Consensus::Params</a>& params)</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> {</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordtype">bool</span> fNegative;</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordtype">bool</span> fOverflow;</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <a class="code" href="classarith__uint256.html">arith_uint256</a> bnTarget;</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  bnTarget.<a class="code" href="classarith__uint256.html#a458133c9f123519646b07e6143f2164f">SetCompact</a>(nBits, &fNegative, &fOverflow);</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">// Check range</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">if</span> (fNegative || bnTarget == 0 || fOverflow || bnTarget > <a class="code" href="arith__uint256_8cpp.html#a6a6e0e2e41ba7e31c4a741eb2426a516">UintToArith256</a>(params.<a class="code" href="structConsensus_1_1Params.html#ab649d11fd185e2be01a7f61bbe39e58e">powLimit</a>))</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">return</span> <a class="code" href="util_8h.html#af8985880cf4ef26df0a5aa2ffcb76662">error</a>(<span class="stringliteral">"CheckProofOfWork(): nBits below minimum work"</span>);</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">// Check proof of work matches claimed amount</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">if</span> (<a class="code" href="arith__uint256_8cpp.html#a6a6e0e2e41ba7e31c4a741eb2426a516">UintToArith256</a>(hash) > bnTarget)</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">return</span> <a class="code" href="util_8h.html#af8985880cf4ef26df0a5aa2ffcb76662">error</a>(<span class="stringliteral">"CheckProofOfWork(): hash doesn't match nBits"</span>);</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> }</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div><div class="line"><a name="l00257"></a><span class="lineno"><a class="line" href="pow_8h.html#a334aa8015cc7185f7fdf484783e40f38"> 257</a></span> <a class="code" href="classarith__uint256.html">arith_uint256</a> <a class="code" href="pow_8cpp.html#a334aa8015cc7185f7fdf484783e40f38">GetBlockProof</a>(<span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a>& block)</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> {</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="classarith__uint256.html">arith_uint256</a> bnTarget;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordtype">bool</span> fNegative;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordtype">bool</span> fOverflow;</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  bnTarget.<a class="code" href="classarith__uint256.html#a458133c9f123519646b07e6143f2164f">SetCompact</a>(block.<a class="code" href="classCBlockIndex.html#a3324894e6af612d1bd76f89378435713">nBits</a>, &fNegative, &fOverflow);</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">if</span> (fNegative || fOverflow || bnTarget == 0)</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment">// We need to compute 2**256 / (bnTarget+1), but we can't represent 2**256</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">// as it's too large for a arith_uint256. However, as 2**256 is at least as large</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="comment">// as bnTarget+1, it is equal to ((2**256 - bnTarget - 1) / (bnTarget+1)) + 1,</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">// or ~bnTarget / (nTarget+1) + 1.</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">return</span> (~bnTarget / (bnTarget + 1)) + 1;</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> }</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div><div class="line"><a name="l00272"></a><span class="lineno"><a class="line" href="pow_8h.html#a6f922f61b23b0fc46182f8ab457af736"> 272</a></span> int64_t <a class="code" href="pow_8cpp.html#abe314b9d901829ab0166322b67cffd70">GetBlockProofEquivalentTime</a>(<span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a>& to, <span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a>& from, <span class="keyword">const</span> <a class="code" href="classCBlockIndex.html">CBlockIndex</a>& tip, <span class="keyword">const</span> <a class="code" href="structConsensus_1_1Params.html">Consensus::Params</a>& params)</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> {</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <a class="code" href="classarith__uint256.html">arith_uint256</a> r;</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordtype">int</span> sign = 1;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">if</span> (to.<a class="code" href="classCBlockIndex.html#a31e65c1f491d438dfdcd8d92bdfa73a1">nChainWork</a> > from.<a class="code" href="classCBlockIndex.html#a31e65c1f491d438dfdcd8d92bdfa73a1">nChainWork</a>) {</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  r = to.<a class="code" href="classCBlockIndex.html#a31e65c1f491d438dfdcd8d92bdfa73a1">nChainWork</a> - from.<a class="code" href="classCBlockIndex.html#a31e65c1f491d438dfdcd8d92bdfa73a1">nChainWork</a>;</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  r = from.<a class="code" href="classCBlockIndex.html#a31e65c1f491d438dfdcd8d92bdfa73a1">nChainWork</a> - to.<a class="code" href="classCBlockIndex.html#a31e65c1f491d438dfdcd8d92bdfa73a1">nChainWork</a>;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  sign = -1;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  r = r * <a class="code" href="classarith__uint256.html">arith_uint256</a>(params.<a class="code" href="structConsensus_1_1Params.html#aea6ebb563ceffd026cc7c11d3e9b192e">nPowTargetSpacing</a>) / <a class="code" href="pow_8cpp.html#a334aa8015cc7185f7fdf484783e40f38">GetBlockProof</a>(tip);</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">if</span> (r.<a class="code" href="classbase__uint.html#afe1eacc0b592cf184ac8ee0446997fbe">bits</a>() > 63) {</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">return</span> sign * std::numeric_limits<int64_t>::max();</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  }</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> sign * r.<a class="code" href="classbase__uint.html#ad8dbf3216dd15a64f1598344ad7a71ea">GetLow64</a>();</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> }</div><div class="ttc" id="classCBlockIndex_html_a31e65c1f491d438dfdcd8d92bdfa73a1"><div class="ttname"><a href="classCBlockIndex.html#a31e65c1f491d438dfdcd8d92bdfa73a1">CBlockIndex::nChainWork</a></div><div class="ttdeci">arith_uint256 nChainWork</div><div class="ttdoc">(memory only) Total amount of work (expected number of hashes) in the chain up to and including this ...</div><div class="ttdef"><b>Definition:</b> <a href="chain_8h_source.html#l00125">chain.h:125</a></div></div>
|
|
<div class="ttc" id="classbase__uint_html_acccba4d9d51a0c36261718ca0cbb293b"><div class="ttname"><a href="classbase__uint.html#acccba4d9d51a0c36261718ca0cbb293b">base_uint::ToString</a></div><div class="ttdeci">std::string ToString() const</div><div class="ttdef"><b>Definition:</b> <a href="arith__uint256_8cpp_source.html#l00166">arith_uint256.cpp:166</a></div></div>
|
|
<div class="ttc" id="pow_8cpp_html_abe314b9d901829ab0166322b67cffd70"><div class="ttname"><a href="pow_8cpp.html#abe314b9d901829ab0166322b67cffd70">GetBlockProofEquivalentTime</a></div><div class="ttdeci">int64_t GetBlockProofEquivalentTime(const CBlockIndex &to, const CBlockIndex &from, const CBlockIndex &tip, const Consensus::Params &params)</div><div class="ttdef"><b>Definition:</b> <a href="pow_8cpp_source.html#l00272">pow.cpp:272</a></div></div>
|
|
<div class="ttc" id="classCBlockIndex_html_a3324894e6af612d1bd76f89378435713"><div class="ttname"><a href="classCBlockIndex.html#a3324894e6af612d1bd76f89378435713">CBlockIndex::nBits</a></div><div class="ttdeci">unsigned int nBits</div><div class="ttdef"><b>Definition:</b> <a href="chain_8h_source.html#l00143">chain.h:143</a></div></div>
|
|
<div class="ttc" id="pow_8h_html_a8f131530ac35e565b56cfc1e857e5f02a31825da354804760c6916ecfed7a586a"><div class="ttname"><a href="pow_8h.html#a8f131530ac35e565b56cfc1e857e5f02a31825da354804760c6916ecfed7a586a">DIFF_DGW</a></div><div class="ttdef"><b>Definition:</b> <a href="pow_8h_source.html#l00023">pow.h:23</a></div></div>
|
|
<div class="ttc" id="structConsensus_1_1Params_html_afd9757f632e52fc76d944bee2925f1f0"><div class="ttname"><a href="structConsensus_1_1Params.html#afd9757f632e52fc76d944bee2925f1f0">Consensus::Params::fPowAllowMinDifficultyBlocks</a></div><div class="ttdeci">bool fPowAllowMinDifficultyBlocks</div><div class="ttdef"><b>Definition:</b> <a href="params_8h_source.html#l00078">params.h:78</a></div></div>
|
|
<div class="ttc" id="classarith__uint256_html_a458133c9f123519646b07e6143f2164f"><div class="ttname"><a href="classarith__uint256.html#a458133c9f123519646b07e6143f2164f">arith_uint256::SetCompact</a></div><div class="ttdeci">arith_uint256 & SetCompact(uint32_t nCompact, bool *pfNegative=NULL, bool *pfOverflow=NULL)</div><div class="ttdef"><b>Definition:</b> <a href="arith__uint256_8cpp_source.html#l00204">arith_uint256.cpp:204</a></div></div>
|
|
<div class="ttc" id="pow_8h_html_a8f131530ac35e565b56cfc1e857e5f02a135929a05c72016124855105d3d24851"><div class="ttname"><a href="pow_8h.html#a8f131530ac35e565b56cfc1e857e5f02a135929a05c72016124855105d3d24851">DIFF_BTC</a></div><div class="ttdef"><b>Definition:</b> <a href="pow_8h_source.html#l00021">pow.h:21</a></div></div>
|
|
<div class="ttc" id="pow_8cpp_html_a2d653c456b2a9cfe2103a4518f3a8221"><div class="ttname"><a href="pow_8cpp.html#a2d653c456b2a9cfe2103a4518f3a8221">GetNextWorkRequiredBTC</a></div><div class="ttdeci">unsigned int GetNextWorkRequiredBTC(const CBlockIndex *pindexLast, const CBlockHeader *pblock, const Consensus::Params &params)</div><div class="ttdef"><b>Definition:</b> <a href="pow_8cpp_source.html#l00133">pow.cpp:133</a></div></div>
|
|
<div class="ttc" id="classCBlockHeader_html_abad634d81d4c810390fa2080d79633e8"><div class="ttname"><a href="classCBlockHeader.html#abad634d81d4c810390fa2080d79633e8">CBlockHeader::GetBlockTime</a></div><div class="ttdeci">int64_t GetBlockTime() const</div><div class="ttdef"><b>Definition:</b> <a href="block_8h_source.html#l00066">block.h:66</a></div></div>
|
|
<div class="ttc" id="chainparams_8h_html"><div class="ttname"><a href="chainparams_8h.html">chainparams.h</a></div></div>
|
|
<div class="ttc" id="structConsensus_1_1Params_html"><div class="ttname"><a href="structConsensus_1_1Params.html">Consensus::Params</a></div><div class="ttdef"><b>Definition:</b> <a href="params_8h_source.html#l00043">params.h:43</a></div></div>
|
|
<div class="ttc" id="pow_8cpp_html_aeb760adff75ed6ca74ae6b345555bcb4"><div class="ttname"><a href="pow_8cpp.html#aeb760adff75ed6ca74ae6b345555bcb4">CalculateNextWorkRequired</a></div><div class="ttdeci">unsigned int CalculateNextWorkRequired(const CBlockIndex *pindexLast, int64_t nFirstBlockTime, const Consensus::Params &params)</div><div class="ttdef"><b>Definition:</b> <a href="pow_8cpp_source.html#l00204">pow.cpp:204</a></div></div>
|
|
<div class="ttc" id="pow_8h_html"><div class="ttname"><a href="pow_8h.html">pow.h</a></div></div>
|
|
<div class="ttc" id="classarith__uint256_html_a0eeee9d8f29143ddf1bff2b1ffa8fdc1"><div class="ttname"><a href="classarith__uint256.html#a0eeee9d8f29143ddf1bff2b1ffa8fdc1">arith_uint256::GetCompact</a></div><div class="ttdeci">uint32_t GetCompact(bool fNegative=false) const</div><div class="ttdef"><b>Definition:</b> <a href="arith__uint256_8cpp_source.html#l00224">arith_uint256.cpp:224</a></div></div>
|
|
<div class="ttc" id="arith__uint256_8cpp_html_a6a6e0e2e41ba7e31c4a741eb2426a516"><div class="ttname"><a href="arith__uint256_8cpp.html#a6a6e0e2e41ba7e31c4a741eb2426a516">UintToArith256</a></div><div class="ttdeci">arith_uint256 UintToArith256(const uint256 &a)</div><div class="ttdef"><b>Definition:</b> <a href="arith__uint256_8cpp_source.html#l00254">arith_uint256.cpp:254</a></div></div>
|
|
<div class="ttc" id="structConsensus_1_1Params_html_a83f8cd20209157d057de6f2ad0731cf9"><div class="ttname"><a href="structConsensus_1_1Params.html#a83f8cd20209157d057de6f2ad0731cf9">Consensus::Params::fPowNoRetargeting</a></div><div class="ttdeci">bool fPowNoRetargeting</div><div class="ttdef"><b>Definition:</b> <a href="params_8h_source.html#l00079">params.h:79</a></div></div>
|
|
<div class="ttc" id="util_8h_html_afc02c0a4258fedfb316be612bb659ba8"><div class="ttname"><a href="util_8h.html#afc02c0a4258fedfb316be612bb659ba8">LogPrintf</a></div><div class="ttdeci">#define LogPrintf(...)</div><div class="ttdef"><b>Definition:</b> <a href="util_8h_source.html#l00098">util.h:98</a></div></div>
|
|
<div class="ttc" id="pow_8cpp_html_a444323ddc75c2b90f484fa9b9da31dc8"><div class="ttname"><a href="pow_8cpp.html#a444323ddc75c2b90f484fa9b9da31dc8">GetNextWorkRequired</a></div><div class="ttdeci">unsigned int GetNextWorkRequired(const CBlockIndex *pindexLast, const CBlockHeader *pblock, const Consensus::Params &params)</div><div class="ttdef"><b>Definition:</b> <a href="pow_8cpp_source.html#l00172">pow.cpp:172</a></div></div>
|
|
<div class="ttc" id="util_8h_html_af8985880cf4ef26df0a5aa2ffcb76662"><div class="ttname"><a href="util_8h.html#af8985880cf4ef26df0a5aa2ffcb76662">error</a></div><div class="ttdeci">static bool error(const char *format)</div><div class="ttdef"><b>Definition:</b> <a href="util_8h_source.html#l00131">util.h:131</a></div></div>
|
|
<div class="ttc" id="structConsensus_1_1Params_html_aea6ebb563ceffd026cc7c11d3e9b192e"><div class="ttname"><a href="structConsensus_1_1Params.html#aea6ebb563ceffd026cc7c11d3e9b192e">Consensus::Params::nPowTargetSpacing</a></div><div class="ttdeci">int64_t nPowTargetSpacing</div><div class="ttdef"><b>Definition:</b> <a href="params_8h_source.html#l00080">params.h:80</a></div></div>
|
|
<div class="ttc" id="util_8h_html"><div class="ttname"><a href="util_8h.html">util.h</a></div></div>
|
|
<div class="ttc" id="pow_8cpp_html_a334aa8015cc7185f7fdf484783e40f38"><div class="ttname"><a href="pow_8cpp.html#a334aa8015cc7185f7fdf484783e40f38">GetBlockProof</a></div><div class="ttdeci">arith_uint256 GetBlockProof(const CBlockIndex &block)</div><div class="ttdef"><b>Definition:</b> <a href="pow_8cpp_source.html#l00257">pow.cpp:257</a></div></div>
|
|
<div class="ttc" id="pow_8cpp_html_a4e1129d7ab72643eb7e830f7f72953d7"><div class="ttname"><a href="pow_8cpp.html#a4e1129d7ab72643eb7e830f7f72953d7">CheckProofOfWork</a></div><div class="ttdeci">bool CheckProofOfWork(uint256 hash, unsigned int nBits, const Consensus::Params &params)</div><div class="ttdef"><b>Definition:</b> <a href="pow_8cpp_source.html#l00238">pow.cpp:238</a></div></div>
|
|
<div class="ttc" id="structConsensus_1_1Params_html_a3e7c7ce8a76bf0071c225e549f088532"><div class="ttname"><a href="structConsensus_1_1Params.html#a3e7c7ce8a76bf0071c225e549f088532">Consensus::Params::DifficultyAdjustmentInterval</a></div><div class="ttdeci">int64_t DifficultyAdjustmentInterval() const</div><div class="ttdef"><b>Definition:</b> <a href="params_8h_source.html#l00082">params.h:82</a></div></div>
|
|
<div class="ttc" id="classarith__uint256_html"><div class="ttname"><a href="classarith__uint256.html">arith_uint256</a></div><div class="ttdef"><b>Definition:</b> <a href="arith__uint256_8h_source.html#l00253">arith_uint256.h:253</a></div></div>
|
|
<div class="ttc" id="pow_8cpp_html_a0ea04833c9b6ab27d7c0d8f0d3eacf83"><div class="ttname"><a href="pow_8cpp.html#a0ea04833c9b6ab27d7c0d8f0d3eacf83">DarkGravityWave</a></div><div class="ttdeci">unsigned static int DarkGravityWave(const CBlockIndex *pindexLast, const Consensus::Params &params)</div><div class="ttdef"><b>Definition:</b> <a href="pow_8cpp_source.html#l00083">pow.cpp:83</a></div></div>
|
|
<div class="ttc" id="chain_8h_html"><div class="ttname"><a href="chain_8h.html">chain.h</a></div></div>
|
|
<div class="ttc" id="classuint256_html"><div class="ttname"><a href="classuint256.html">uint256</a></div><div class="ttdef"><b>Definition:</b> <a href="uint256_8h_source.html#l00114">uint256.h:114</a></div></div>
|
|
<div class="ttc" id="structConsensus_1_1Params_html_a8b9343e945d8f51e5706511dea99a63d"><div class="ttname"><a href="structConsensus_1_1Params.html#a8b9343e945d8f51e5706511dea99a63d">Consensus::Params::nPowTargetTimespan</a></div><div class="ttdeci">int64_t nPowTargetTimespan</div><div class="ttdef"><b>Definition:</b> <a href="params_8h_source.html#l00081">params.h:81</a></div></div>
|
|
<div class="ttc" id="pow_8cpp_html_a7dfe5a74605ee9c8d209294c84894575"><div class="ttname"><a href="pow_8cpp.html#a7dfe5a74605ee9c8d209294c84894575">KimotoGravityWell</a></div><div class="ttdeci">unsigned static int KimotoGravityWell(const CBlockIndex *pindexLast, const Consensus::Params &params)</div><div class="ttdef"><b>Definition:</b> <a href="pow_8cpp_source.html#l00017">pow.cpp:17</a></div></div>
|
|
<div class="ttc" id="classCBlockHeader_html"><div class="ttname"><a href="classCBlockHeader.html">CBlockHeader</a></div><div class="ttdef"><b>Definition:</b> <a href="block_8h_source.html#l00020">block.h:20</a></div></div>
|
|
<div class="ttc" id="uint256_8h_html"><div class="ttname"><a href="uint256_8h.html">uint256.h</a></div></div>
|
|
<div class="ttc" id="chainparams_8cpp_html_ace5c5b706d71a324a417dd2db394fd4a"><div class="ttname"><a href="chainparams_8cpp.html#ace5c5b706d71a324a417dd2db394fd4a">Params</a></div><div class="ttdeci">const CChainParams & Params()</div><div class="ttdef"><b>Definition:</b> <a href="chainparams_8cpp_source.html#l00424">chainparams.cpp:424</a></div></div>
|
|
<div class="ttc" id="classbase__uint_html_ad8dbf3216dd15a64f1598344ad7a71ea"><div class="ttname"><a href="classbase__uint.html#ad8dbf3216dd15a64f1598344ad7a71ea">base_uint::GetLow64</a></div><div class="ttdeci">uint64_t GetLow64() const</div><div class="ttdef"><b>Definition:</b> <a href="arith__uint256_8h_source.html#l00245">arith_uint256.h:245</a></div></div>
|
|
<div class="ttc" id="classCBlockIndex_html_ae1f702384690c6b8302e026a84172ef3"><div class="ttname"><a href="classCBlockIndex.html#ae1f702384690c6b8302e026a84172ef3">CBlockIndex::GetAncestor</a></div><div class="ttdeci">CBlockIndex * GetAncestor(int height)</div><div class="ttdoc">Efficiently find an ancestor of this block. </div><div class="ttdef"><b>Definition:</b> <a href="chain_8cpp_source.html#l00078">chain.cpp:78</a></div></div>
|
|
<div class="ttc" id="pow_8h_html_a8f131530ac35e565b56cfc1e857e5f02a989bf0976493af2171e71c38be869c98"><div class="ttname"><a href="pow_8h.html#a8f131530ac35e565b56cfc1e857e5f02a989bf0976493af2171e71c38be869c98">DIFF_KGW</a></div><div class="ttdef"><b>Definition:</b> <a href="pow_8h_source.html#l00022">pow.h:22</a></div></div>
|
|
<div class="ttc" id="structConsensus_1_1Params_html_ab649d11fd185e2be01a7f61bbe39e58e"><div class="ttname"><a href="structConsensus_1_1Params.html#ab649d11fd185e2be01a7f61bbe39e58e">Consensus::Params::powLimit</a></div><div class="ttdeci">uint256 powLimit</div><div class="ttdef"><b>Definition:</b> <a href="params_8h_source.html#l00077">params.h:77</a></div></div>
|
|
<div class="ttc" id="classCBlockIndex_html"><div class="ttname"><a href="classCBlockIndex.html">CBlockIndex</a></div><div class="ttdef"><b>Definition:</b> <a href="chain_8h_source.html#l00100">chain.h:100</a></div></div>
|
|
<div class="ttc" id="classCBaseChainParams_html_ae2c5dfdbbff4d5f92948258a7b4db47b"><div class="ttname"><a href="classCBaseChainParams.html#ae2c5dfdbbff4d5f92948258a7b4db47b">CBaseChainParams::MAIN</a></div><div class="ttdeci">static const std::string MAIN</div><div class="ttdef"><b>Definition:</b> <a href="chainparamsbase_8h_source.html#l00019">chainparamsbase.h:19</a></div></div>
|
|
<div class="ttc" id="classCBlockIndex_html_a9fe0d4463c07c466f66252e8eec25f5c"><div class="ttname"><a href="classCBlockIndex.html#a9fe0d4463c07c466f66252e8eec25f5c">CBlockIndex::GetBlockTime</a></div><div class="ttdeci">int64_t GetBlockTime() const</div><div class="ttdef"><b>Definition:</b> <a href="chain_8h_source.html#l00223">chain.h:223</a></div></div>
|
|
<div class="ttc" id="classCBlockIndex_html_a1ef11137155df1dd5c81491630cece39"><div class="ttname"><a href="classCBlockIndex.html#a1ef11137155df1dd5c81491630cece39">CBlockIndex::pprev</a></div><div class="ttdeci">CBlockIndex * pprev</div><div class="ttdoc">pointer to the index of the predecessor of this block </div><div class="ttdef"><b>Definition:</b> <a href="chain_8h_source.html#l00107">chain.h:107</a></div></div>
|
|
<div class="ttc" id="arith__uint256_8h_html"><div class="ttname"><a href="arith__uint256_8h.html">arith_uint256.h</a></div></div>
|
|
<div class="ttc" id="classCBlockIndex_html_aebfc8d6b95852546760e742553d7bfd5"><div class="ttname"><a href="classCBlockIndex.html#aebfc8d6b95852546760e742553d7bfd5">CBlockIndex::nHeight</a></div><div class="ttdeci">int nHeight</div><div class="ttdoc">height of the entry in the chain. The genesis block has height 0 </div><div class="ttdef"><b>Definition:</b> <a href="chain_8h_source.html#l00113">chain.h:113</a></div></div>
|
|
<div class="ttc" id="block_8h_html"><div class="ttname"><a href="block_8h.html">block.h</a></div></div>
|
|
<div class="ttc" id="classbase__uint_html_afe1eacc0b592cf184ac8ee0446997fbe"><div class="ttname"><a href="classbase__uint.html#afe1eacc0b592cf184ac8ee0446997fbe">base_uint::bits</a></div><div class="ttdeci">unsigned int bits() const</div><div class="ttdef"><b>Definition:</b> <a href="arith__uint256_8cpp_source.html#l00172">arith_uint256.cpp:172</a></div></div>
|
|
<div class="ttc" id="classCBaseChainParams_html_a49cecf92f25361a49999a88cc92c1809"><div class="ttname"><a href="classCBaseChainParams.html#a49cecf92f25361a49999a88cc92c1809">CBaseChainParams::REGTEST</a></div><div class="ttdeci">static const std::string REGTEST</div><div class="ttdef"><b>Definition:</b> <a href="chainparamsbase_8h_source.html#l00021">chainparamsbase.h:21</a></div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
</div><!-- doc-content -->
|
|
<!-- start footer part -->
|
|
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="pow_8cpp.html">pow.cpp</a></li>
|
|
<li class="footer">Generated on Thu Dec 14 2017 13:15:04 for Dash Core by
|
|
<a href="http://www.doxygen.org/index.html">
|
|
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.14 </li>
|
|
</ul>
|
|
</div>
|
|
</body>
|
|
</html>
|