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<div class="title">bitcoinaddressvalidator.cpp</div> </div>
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<a href="bitcoinaddressvalidator_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) 2011-2014 The Bitcoin Core developers</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright (c) 2014-2017 The Dash 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="bitcoinaddressvalidator_8h.html">bitcoinaddressvalidator.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="base58_8h.html">base58.h</a>"</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">/* Base58 characters are:</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> This is:</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> - All numbers except for '0'</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> - All upper-case letters except for 'I' and 'O'</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> - All lower-case letters except for 'l'</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"><a class="line" href="classBitcoinAddressEntryValidator.html#ab1098be26569477a372790674841afe9"> 19</a></span> <a class="code" href="classBitcoinAddressEntryValidator.html#ab1098be26569477a372790674841afe9">BitcoinAddressEntryValidator::BitcoinAddressEntryValidator</a>(QObject *parent) :</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  QValidator(parent)</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> {</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> }</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="classBitcoinAddressEntryValidator.html#ab7420aad3fd2664328ce5618ee60b073"> 24</a></span> QValidator::State <a class="code" href="classBitcoinAddressEntryValidator.html#ab7420aad3fd2664328ce5618ee60b073">BitcoinAddressEntryValidator::validate</a>(QString &input, <span class="keywordtype">int</span> &pos)<span class="keyword"> const</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword"></span>{</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  Q_UNUSED(pos);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="comment">// Empty address is "intermediate" input</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">if</span> (input.isEmpty())</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">return</span> QValidator::Intermediate;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="comment">// Correction</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> idx = 0; idx < input.size();)</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="keywordtype">bool</span> removeChar = <span class="keyword">false</span>;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  QChar ch = input.at(idx);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">// Corrections made are very conservative on purpose, to avoid</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">// users unexpectedly getting away with typos that would normally</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// be detected, and thus sending to the wrong address.</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">switch</span>(ch.unicode())</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  {</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">// Qt categorizes these as "Other_Format" not "Separator_Space"</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">case</span> 0x200B: <span class="comment">// ZERO WIDTH SPACE</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">case</span> 0xFEFF: <span class="comment">// ZERO WIDTH NO-BREAK SPACE</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  removeChar = <span class="keyword">true</span>;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</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>  <span class="comment">// Remove whitespace</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span> (ch.isSpace())</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  removeChar = <span class="keyword">true</span>;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// To next character</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (removeChar)</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  input.remove(idx, 1);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  ++idx;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</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="comment">// Validation</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  QValidator::State state = QValidator::Acceptable;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> idx = 0; idx < input.size(); ++idx)</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="keywordtype">int</span> ch = input.at(idx).unicode();</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (((ch >= <span class="charliteral">'0'</span> && ch<=<span class="charliteral">'9'</span>) ||</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  (ch >= <span class="charliteral">'a'</span> && ch<=<span class="charliteral">'z'</span>) ||</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  (ch >= <span class="charliteral">'A'</span> && ch<=<span class="charliteral">'Z'</span>)) &&</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  ch != <span class="charliteral">'l'</span> && ch != <span class="charliteral">'I'</span> && ch != <span class="charliteral">'0'</span> && ch != <span class="charliteral">'O'</span>)</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// Alphanumeric and not a 'forbidden' character</span></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>  <span class="keywordflow">else</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  state = QValidator::Invalid;</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> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> state;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classBitcoinAddressCheckValidator.html#ad546bb34a6980e73f9896f89cdfe6699"> 84</a></span> <a class="code" href="classBitcoinAddressCheckValidator.html#ad546bb34a6980e73f9896f89cdfe6699">BitcoinAddressCheckValidator::BitcoinAddressCheckValidator</a>(QObject *parent) :</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  QValidator(parent)</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</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> </div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classBitcoinAddressCheckValidator.html#a9f1a2f3d85862d0ecf65749d1fa697d1"> 89</a></span> QValidator::State <a class="code" href="classBitcoinAddressCheckValidator.html#a9f1a2f3d85862d0ecf65749d1fa697d1">BitcoinAddressCheckValidator::validate</a>(QString &input, <span class="keywordtype">int</span> &pos)<span class="keyword"> const</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword"></span>{</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  Q_UNUSED(pos);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// Validate the passed Dash address</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="classCBitcoinAddress.html">CBitcoinAddress</a> addr(input.toStdString());</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (addr.IsValid())</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">return</span> QValidator::Acceptable;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> QValidator::Invalid;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> }</div><div class="ttc" id="classCBitcoinAddress_html"><div class="ttname"><a href="classCBitcoinAddress.html">CBitcoinAddress</a></div><div class="ttdef"><b>Definition:</b> <a href="base58_8h_source.html#l00104">base58.h:104</a></div></div>
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<div class="ttc" id="classBitcoinAddressCheckValidator_html_ad546bb34a6980e73f9896f89cdfe6699"><div class="ttname"><a href="classBitcoinAddressCheckValidator.html#ad546bb34a6980e73f9896f89cdfe6699">BitcoinAddressCheckValidator::BitcoinAddressCheckValidator</a></div><div class="ttdeci">BitcoinAddressCheckValidator(QObject *parent)</div><div class="ttdef"><b>Definition:</b> <a href="bitcoinaddressvalidator_8cpp_source.html#l00084">bitcoinaddressvalidator.cpp:84</a></div></div>
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<div class="ttc" id="base58_8h_html"><div class="ttname"><a href="base58_8h.html">base58.h</a></div></div>
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<div class="ttc" id="classBitcoinAddressEntryValidator_html_ab7420aad3fd2664328ce5618ee60b073"><div class="ttname"><a href="classBitcoinAddressEntryValidator.html#ab7420aad3fd2664328ce5618ee60b073">BitcoinAddressEntryValidator::validate</a></div><div class="ttdeci">State validate(QString &input, int &pos) const</div><div class="ttdef"><b>Definition:</b> <a href="bitcoinaddressvalidator_8cpp_source.html#l00024">bitcoinaddressvalidator.cpp:24</a></div></div>
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<div class="ttc" id="classBitcoinAddressEntryValidator_html_ab1098be26569477a372790674841afe9"><div class="ttname"><a href="classBitcoinAddressEntryValidator.html#ab1098be26569477a372790674841afe9">BitcoinAddressEntryValidator::BitcoinAddressEntryValidator</a></div><div class="ttdeci">BitcoinAddressEntryValidator(QObject *parent)</div><div class="ttdef"><b>Definition:</b> <a href="bitcoinaddressvalidator_8cpp_source.html#l00019">bitcoinaddressvalidator.cpp:19</a></div></div>
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<div class="ttc" id="bitcoinaddressvalidator_8h_html"><div class="ttname"><a href="bitcoinaddressvalidator_8h.html">bitcoinaddressvalidator.h</a></div></div>
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<div class="ttc" id="classBitcoinAddressCheckValidator_html_a9f1a2f3d85862d0ecf65749d1fa697d1"><div class="ttname"><a href="classBitcoinAddressCheckValidator.html#a9f1a2f3d85862d0ecf65749d1fa697d1">BitcoinAddressCheckValidator::validate</a></div><div class="ttdeci">State validate(QString &input, int &pos) const</div><div class="ttdef"><b>Definition:</b> <a href="bitcoinaddressvalidator_8cpp_source.html#l00089">bitcoinaddressvalidator.cpp:89</a></div></div>
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