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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_f4afb74df24474efa0cc7e8ea3ddd5ce.html">rpc</a></li><li class="navelem"><a class="el" href="dir_72652aacd0eb4ee32af795650dd02b37.html">handlers</a></li> </ul>
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<div class="title">WalletPropose.cpp</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (c) 2012-2014 Ripple Labs Inc.</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">//==============================================================================</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <ripple/basics/strHex.h></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <ripple/net/RPCErr.h></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <ripple/protocol/ErrorCodes.h></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <ripple/protocol/jss.h></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <ripple/protocol/KeyType.h></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <ripple/protocol/PublicKey.h></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <ripple/protocol/SecretKey.h></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <ripple/protocol/Seed.h></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <ripple/rpc/Context.h></span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <ripple/rpc/impl/RPCHelpers.h></span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <ripple/rpc/handlers/WalletPropose.h></span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <ed25519-donna/ed25519.h></span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <boost/optional.hpp></span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cmath.html">cmath</a>></span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/map.html">map</a>></span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keywordtype">double</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="namespaceripple.html#ace734cc5d53d2bd5d0c530f1edfc229f"> 39</a></span> <a class="code" href="namespaceripple.html#ace734cc5d53d2bd5d0c530f1edfc229f">estimate_entropy</a> (<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>& input)</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// First, we calculate the Shannon entropy. This gives</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">// the average number of bits per symbol that we would</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// need to encode the input.</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map<int, double></a> freq;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>& c : input)</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  freq[c]++;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">double</span> se = 0.0;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>& [_,f] : freq)</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  (void)_;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">auto</span> x = f / input.length();</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  se += (x) * log2(x);</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// We multiply it by the length, to get an estimate of</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// the number of bits in the input. We floor because it</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// is better to be conservative.</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/numeric/math/floor.html">std::floor</a> (-se * input.length());</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> }</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// {</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment">// passphrase: <string></span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// }</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="namespaceripple.html#ae532a08cb69d31aa4b0872f2f7385e5c"> 67</a></span> <a class="code" href="classJson_1_1Value.html">Json::Value</a> <a class="code" href="namespaceripple.html#ae532a08cb69d31aa4b0872f2f7385e5c">doWalletPropose</a> (<a class="code" href="structripple_1_1RPC_1_1JsonContext.html">RPC::JsonContext</a>& context)</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> {</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#ac44c4bc38270bac0b5277f85950ec295">walletPropose</a> (context.<a class="code" href="structripple_1_1RPC_1_1JsonContext.html#a036b2c14552fbca49011c3d0e78017fa">params</a>);</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
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<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="namespaceripple.html#ac44c4bc38270bac0b5277f85950ec295"> 72</a></span> <a class="code" href="classJson_1_1Value.html">Json::Value</a> <a class="code" href="namespaceripple.html#ac44c4bc38270bac0b5277f85950ec295">walletPropose</a> (<a class="code" href="classJson_1_1Value.html">Json::Value</a> <span class="keyword">const</span>& params)</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  boost::optional<KeyType> keyType;</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  boost::optional<Seed> seed;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">bool</span> rippleLibSeed = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (params.<a class="code" href="classJson_1_1Value.html#ad6d4df2227321bab05e86667609a7fad">isMember</a> (jss::key_type))</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (! params[jss::key_type].isString())</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  {</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple_1_1RPC.html#aa63398ec847d01de9d9af3598e3e2325">RPC::expected_field_error</a> (</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  jss::key_type, <span class="stringliteral">"string"</span>);</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  keyType = <a class="code" href="namespaceripple.html#ab29dd72d84c2833dfad712c0460a0eca">keyTypeFromString</a> (</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  params[jss::key_type].asString());</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (!keyType)</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#ab114d40490d1a6a0ab2fa6053167d461">rpcError</a>(<a class="code" href="namespaceripple.html#a32d6d3ce1a48272b677d2c88b1d30932a82ddebc5ec7a37ff38892487277bf9c4">rpcINVALID_PARAMS</a>);</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// ripple-lib encodes seed used to generate an Ed25519 wallet in a</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// non-standard way. While we never encode seeds that way, we try</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// to detect such keys to avoid user confusion.</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  {</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (params.<a class="code" href="classJson_1_1Value.html#ad6d4df2227321bab05e86667609a7fad">isMember</a>(jss::passphrase))</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  seed = <a class="code" href="namespaceripple_1_1RPC.html#a04d58cbc11cc34bea1ad0b12a0729c9a">RPC::parseRippleLibSeed</a>(params[jss::passphrase]);</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (params.<a class="code" href="classJson_1_1Value.html#ad6d4df2227321bab05e86667609a7fad">isMember</a>(jss::seed))</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  seed = <a class="code" href="namespaceripple_1_1RPC.html#a04d58cbc11cc34bea1ad0b12a0729c9a">RPC::parseRippleLibSeed</a>(params[jss::seed]);</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  </div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span>(seed)</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  {</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  rippleLibSeed = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// If the user *explicitly* requests a key type other than</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// Ed25519 we return an error.</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span> (keyType.value_or(<a class="code" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b">KeyType::ed25519</a>) != <a class="code" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b">KeyType::ed25519</a>)</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#ab114d40490d1a6a0ab2fa6053167d461">rpcError</a>(<a class="code" href="namespaceripple.html#a32d6d3ce1a48272b677d2c88b1d30932ad2f8f023342d32f2602688202894cabe">rpcBAD_SEED</a>);</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  keyType = <a class="code" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b">KeyType::ed25519</a>;</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (!seed)</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  {</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (params.<a class="code" href="classJson_1_1Value.html#ad6d4df2227321bab05e86667609a7fad">isMember</a>(jss::passphrase) ||</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  params.<a class="code" href="classJson_1_1Value.html#ad6d4df2227321bab05e86667609a7fad">isMember</a>(jss::seed) ||</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  params.<a class="code" href="classJson_1_1Value.html#ad6d4df2227321bab05e86667609a7fad">isMember</a>(jss::seed_hex))</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  {</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="classJson_1_1Value.html">Json::Value</a> err;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  seed = <a class="code" href="namespaceripple_1_1RPC.html#a31ba0250a52d40d2079806200a1a7393">RPC::getSeedFromRPC</a>(params, err);</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  </div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (!seed)</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> err;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  seed = <a class="code" href="namespaceripple.html#a4051033596516e3ebd7c996004ed08f0">randomSeed</a>();</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (!keyType)</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  keyType = <a class="code" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea82c2b7829b8129e5a2d53665ba4b4757">KeyType::secp256k1</a>;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">auto</span> <span class="keyword">const</span> publicKey = <a class="code" href="namespaceripple.html#a355ec605d1063c4316b6f1480359da19">generateKeyPair</a> (*keyType, *seed).first;</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="classJson_1_1Value.html">Json::Value</a> obj (<a class="code" href="namespaceJson.html#a7d654b75c16a57007925868e38212b4eae8386dcfc36d1ae897745f7b4f77a1f6">Json::objectValue</a>);</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">auto</span> <span class="keyword">const</span> seed1751 = <a class="code" href="namespaceripple.html#a3cfe8fe27577cec9b7ff7e4b31263c4d">seedAs1751</a> (*seed);</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">auto</span> <span class="keyword">const</span> seedHex = <a class="code" href="namespaceripple.html#a86e358ce3f06ff049af13c2342791cf8">strHex</a> (*seed);</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">auto</span> <span class="keyword">const</span> seedBase58 = <a class="code" href="namespaceripple.html#a08a13b62b18272366f788632359e8793">toBase58</a> (*seed);</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  obj[jss::master_seed] = seedBase58;</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  obj[jss::master_seed_hex] = seedHex;</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  obj[jss::master_key] = seed1751;</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  obj[jss::account_id] = <a class="code" href="namespaceripple.html#a08a13b62b18272366f788632359e8793">toBase58</a>(<a class="code" href="namespaceripple.html#a614d8681c8dff84ac2257939751987c5">calcAccountID</a>(publicKey));</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  obj[jss::public_key] = <a class="code" href="namespaceripple.html#a08a13b62b18272366f788632359e8793">toBase58</a>(<a class="code" href="namespaceripple.html#a1bf8df553d36589191c8057c136cce03ab23f52a56f27cc97abe221ea3c5cd56c">TokenType::AccountPublic</a>, publicKey);</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  obj[jss::key_type] = <a class="code" href="namespaceripple.html#a96888695e8d79474e080c334f149e30a">to_string</a> (*keyType);</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  obj[jss::public_key_hex] = <a class="code" href="namespaceripple.html#a86e358ce3f06ff049af13c2342791cf8">strHex</a> (publicKey);</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// If a passphrase was specified, and it was hashed and used as a seed</span></div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// run a quick entropy check and add an appropriate warning, because</span></div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">// "brain wallets" can be easily attacked.</span></div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">if</span> (!rippleLibSeed && params.<a class="code" href="classJson_1_1Value.html#ad6d4df2227321bab05e86667609a7fad">isMember</a> (jss::passphrase))</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  {</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">auto</span> <span class="keyword">const</span> passphrase = params[jss::passphrase].<a class="code" href="classJson_1_1Value.html#ab0d86bf425efefd03513e8dbfaca317b">asString</a>();</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (passphrase != seed1751 &&</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  passphrase != seedBase58 &&</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  passphrase != seedHex)</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  {</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// 80 bits of entropy isn't bad, but it's better to</span></div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// err on the side of caution and be conservative.</span></div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceripple.html#ace734cc5d53d2bd5d0c530f1edfc229f">estimate_entropy</a> (passphrase) < 80.0)</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  obj[jss::warning] =</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="stringliteral">"This wallet was generated using a user-supplied "</span></div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="stringliteral">"passphrase that has low entropy and is vulnerable "</span></div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="stringliteral">"to brute-force attacks."</span>;</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">else</span></div>
|
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  obj[jss::warning] =</div>
|
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="stringliteral">"This wallet was generated using a user-supplied "</span></div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="stringliteral">"passphrase. It may be vulnerable to brute-force "</span></div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="stringliteral">"attacks."</span>;</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
|
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> obj;</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> }</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  </div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> } <span class="comment">// ripple</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="afloor_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/numeric/math/floor.html">std::floor</a></div><div class="ttdeci">T floor(T... args)</div></div>
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<div class="ttc" id="astructripple_1_1RPC_1_1JsonContext_html"><div class="ttname"><a href="structripple_1_1RPC_1_1JsonContext.html">ripple::RPC::JsonContext</a></div><div class="ttdef"><b>Definition:</b> <a href="Context_8h_source.html#l00052">Context.h:52</a></div></div>
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<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="anamespaceripple_html_a32d6d3ce1a48272b677d2c88b1d30932a82ddebc5ec7a37ff38892487277bf9c4"><div class="ttname"><a href="namespaceripple.html#a32d6d3ce1a48272b677d2c88b1d30932a82ddebc5ec7a37ff38892487277bf9c4">ripple::rpcINVALID_PARAMS</a></div><div class="ttdeci">@ rpcINVALID_PARAMS</div><div class="ttdef"><b>Definition:</b> <a href="ErrorCodes_8h_source.html#l00085">ErrorCodes.h:85</a></div></div>
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<div class="ttc" id="anamespaceripple_1_1RPC_html_a04d58cbc11cc34bea1ad0b12a0729c9a"><div class="ttname"><a href="namespaceripple_1_1RPC.html#a04d58cbc11cc34bea1ad0b12a0729c9a">ripple::RPC::parseRippleLibSeed</a></div><div class="ttdeci">boost::optional< Seed > parseRippleLibSeed(Json::Value const &value)</div><div class="ttdef"><b>Definition:</b> <a href="RPCHelpers_8cpp_source.html#l00577">RPCHelpers.cpp:577</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a08a13b62b18272366f788632359e8793"><div class="ttname"><a href="namespaceripple.html#a08a13b62b18272366f788632359e8793">ripple::toBase58</a></div><div class="ttdeci">std::string toBase58(AccountID const &v)</div><div class="ttdoc">Convert AccountID to base58 checked string.</div><div class="ttdef"><b>Definition:</b> <a href="AccountID_8cpp_source.html#l00029">AccountID.cpp:29</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a96888695e8d79474e080c334f149e30a"><div class="ttname"><a href="namespaceripple.html#a96888695e8d79474e080c334f149e30a">ripple::to_string</a></div><div class="ttdeci">std::string to_string(ListDisposition disposition)</div><div class="ttdef"><b>Definition:</b> <a href="ValidatorList_8cpp_source.html#l00041">ValidatorList.cpp:41</a></div></div>
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<div class="ttc" id="acmath_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cmath.html">cmath</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a355ec605d1063c4316b6f1480359da19"><div class="ttname"><a href="namespaceripple.html#a355ec605d1063c4316b6f1480359da19">ripple::generateKeyPair</a></div><div class="ttdeci">std::pair< PublicKey, SecretKey > generateKeyPair(KeyType type, Seed const &seed)</div><div class="ttdoc">Generate a key pair deterministically.</div><div class="ttdef"><b>Definition:</b> <a href="SecretKey_8cpp_source.html#l00267">SecretKey.cpp:267</a></div></div>
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<div class="ttc" id="anamespaceripple_1_1RPC_html_aa63398ec847d01de9d9af3598e3e2325"><div class="ttname"><a href="namespaceripple_1_1RPC.html#aa63398ec847d01de9d9af3598e3e2325">ripple::RPC::expected_field_error</a></div><div class="ttdeci">Json::Value expected_field_error(std::string const &name, std::string const &type)</div><div class="ttdef"><b>Definition:</b> <a href="ErrorCodes_8h_source.html#l00286">ErrorCodes.h:286</a></div></div>
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<div class="ttc" id="anamespaceripple_html_ab29dd72d84c2833dfad712c0460a0eca"><div class="ttname"><a href="namespaceripple.html#ab29dd72d84c2833dfad712c0460a0eca">ripple::keyTypeFromString</a></div><div class="ttdeci">boost::optional< KeyType > keyTypeFromString(std::string const &s)</div><div class="ttdef"><b>Definition:</b> <a href="KeyType_8h_source.html#l00036">KeyType.h:36</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b"><div class="ttname"><a href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b">ripple::KeyType::ed25519</a></div><div class="ttdeci">@ ed25519</div></div>
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<div class="ttc" id="anamespaceJson_html_a7d654b75c16a57007925868e38212b4eae8386dcfc36d1ae897745f7b4f77a1f6"><div class="ttname"><a href="namespaceJson.html#a7d654b75c16a57007925868e38212b4eae8386dcfc36d1ae897745f7b4f77a1f6">Json::objectValue</a></div><div class="ttdeci">@ objectValue</div><div class="ttdoc">object value (collection of name/value pairs).</div><div class="ttdef"><b>Definition:</b> <a href="json__value_8h_source.html#l00045">json_value.h:45</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a32d6d3ce1a48272b677d2c88b1d30932ad2f8f023342d32f2602688202894cabe"><div class="ttname"><a href="namespaceripple.html#a32d6d3ce1a48272b677d2c88b1d30932ad2f8f023342d32f2602688202894cabe">ripple::rpcBAD_SEED</a></div><div class="ttdeci">@ rpcBAD_SEED</div><div class="ttdef"><b>Definition:</b> <a href="ErrorCodes_8h_source.html#l00100">ErrorCodes.h:100</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a3cfe8fe27577cec9b7ff7e4b31263c4d"><div class="ttname"><a href="namespaceripple.html#a3cfe8fe27577cec9b7ff7e4b31263c4d">ripple::seedAs1751</a></div><div class="ttdeci">std::string seedAs1751(Seed const &seed)</div><div class="ttdoc">Encode a Seed in RFC1751 format.</div><div class="ttdef"><b>Definition:</b> <a href="Seed_8cpp_source.html#l00133">Seed.cpp:133</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a614d8681c8dff84ac2257939751987c5"><div class="ttname"><a href="namespaceripple.html#a614d8681c8dff84ac2257939751987c5">ripple::calcAccountID</a></div><div class="ttdeci">AccountID calcAccountID(PublicKey const &pk)</div><div class="ttdef"><b>Definition:</b> <a href="AccountID_8cpp_source.html#l00136">AccountID.cpp:136</a></div></div>
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<div class="ttc" id="anamespaceripple_html_ae532a08cb69d31aa4b0872f2f7385e5c"><div class="ttname"><a href="namespaceripple.html#ae532a08cb69d31aa4b0872f2f7385e5c">ripple::doWalletPropose</a></div><div class="ttdeci">Json::Value doWalletPropose(RPC::JsonContext &)</div><div class="ttdef"><b>Definition:</b> <a href="WalletPropose_8cpp_source.html#l00067">WalletPropose.cpp:67</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a4051033596516e3ebd7c996004ed08f0"><div class="ttname"><a href="namespaceripple.html#a4051033596516e3ebd7c996004ed08f0">ripple::randomSeed</a></div><div class="ttdeci">Seed randomSeed()</div><div class="ttdoc">Create a seed using secure random numbers.</div><div class="ttdef"><b>Definition:</b> <a href="Seed_8cpp_source.html#l00061">Seed.cpp:61</a></div></div>
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<div class="ttc" id="aclassJson_1_1Value_html_ad6d4df2227321bab05e86667609a7fad"><div class="ttname"><a href="classJson_1_1Value.html#ad6d4df2227321bab05e86667609a7fad">Json::Value::isMember</a></div><div class="ttdeci">bool isMember(const char *key) const</div><div class="ttdoc">Return true if the object has a member named key.</div><div class="ttdef"><b>Definition:</b> <a href="json__value_8cpp_source.html#l00961">json_value.cpp:961</a></div></div>
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<div class="ttc" id="amap_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/map.html">map</a></div></div>
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<div class="ttc" id="anamespaceripple_html_ab114d40490d1a6a0ab2fa6053167d461"><div class="ttname"><a href="namespaceripple.html#ab114d40490d1a6a0ab2fa6053167d461">ripple::rpcError</a></div><div class="ttdeci">Json::Value rpcError(int iError, Json::Value jvResult)</div><div class="ttdef"><b>Definition:</b> <a href="RPCErr_8cpp_source.html#l00028">RPCErr.cpp:28</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a9de744cfdefe1132969eb982e57e4ddea82c2b7829b8129e5a2d53665ba4b4757"><div class="ttname"><a href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea82c2b7829b8129e5a2d53665ba4b4757">ripple::KeyType::secp256k1</a></div><div class="ttdeci">@ secp256k1</div></div>
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<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="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a1bf8df553d36589191c8057c136cce03ab23f52a56f27cc97abe221ea3c5cd56c"><div class="ttname"><a href="namespaceripple.html#a1bf8df553d36589191c8057c136cce03ab23f52a56f27cc97abe221ea3c5cd56c">ripple::TokenType::AccountPublic</a></div><div class="ttdeci">@ AccountPublic</div></div>
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<div class="ttc" id="anamespaceripple_html_a86e358ce3f06ff049af13c2342791cf8"><div class="ttname"><a href="namespaceripple.html#a86e358ce3f06ff049af13c2342791cf8">ripple::strHex</a></div><div class="ttdeci">std::string strHex(FwdIt begin, FwdIt end)</div><div class="ttdef"><b>Definition:</b> <a href="strHex_8h_source.html#l00070">strHex.h:70</a></div></div>
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<div class="ttc" id="anamespaceripple_html_ac44c4bc38270bac0b5277f85950ec295"><div class="ttname"><a href="namespaceripple.html#ac44c4bc38270bac0b5277f85950ec295">ripple::walletPropose</a></div><div class="ttdeci">Json::Value walletPropose(Json::Value const &params)</div><div class="ttdef"><b>Definition:</b> <a href="WalletPropose_8cpp_source.html#l00072">WalletPropose.cpp:72</a></div></div>
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<div class="ttc" id="astructripple_1_1RPC_1_1JsonContext_html_a036b2c14552fbca49011c3d0e78017fa"><div class="ttname"><a href="structripple_1_1RPC_1_1JsonContext.html#a036b2c14552fbca49011c3d0e78017fa">ripple::RPC::JsonContext::params</a></div><div class="ttdeci">Json::Value params</div><div class="ttdef"><b>Definition:</b> <a href="Context_8h_source.html#l00063">Context.h:63</a></div></div>
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<div class="ttc" id="anamespaceripple_html_ace734cc5d53d2bd5d0c530f1edfc229f"><div class="ttname"><a href="namespaceripple.html#ace734cc5d53d2bd5d0c530f1edfc229f">ripple::estimate_entropy</a></div><div class="ttdeci">double estimate_entropy(std::string const &input)</div><div class="ttdef"><b>Definition:</b> <a href="WalletPropose_8cpp_source.html#l00039">WalletPropose.cpp:39</a></div></div>
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<div class="ttc" id="aclassJson_1_1Value_html"><div class="ttname"><a href="classJson_1_1Value.html">Json::Value</a></div><div class="ttdoc">Represents a JSON value.</div><div class="ttdef"><b>Definition:</b> <a href="json__value_8h_source.html#l00141">json_value.h:141</a></div></div>
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<div class="ttc" id="aclassJson_1_1Value_html_ab0d86bf425efefd03513e8dbfaca317b"><div class="ttname"><a href="classJson_1_1Value.html#ab0d86bf425efefd03513e8dbfaca317b">Json::Value::asString</a></div><div class="ttdeci">std::string asString() const</div><div class="ttdoc">Returns the unquoted string value.</div><div class="ttdef"><b>Definition:</b> <a href="json__value_8cpp_source.html#l00482">json_value.cpp:482</a></div></div>
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<div class="ttc" id="anamespaceripple_1_1RPC_html_a31ba0250a52d40d2079806200a1a7393"><div class="ttname"><a href="namespaceripple_1_1RPC.html#a31ba0250a52d40d2079806200a1a7393">ripple::RPC::getSeedFromRPC</a></div><div class="ttdeci">boost::optional< Seed > getSeedFromRPC(Json::Value const &params, Json::Value &error)</div><div class="ttdef"><b>Definition:</b> <a href="RPCHelpers_8cpp_source.html#l00596">RPCHelpers.cpp:596</a></div></div>
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