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<li class="navelem"><a class="el" href="dir_a62226f9e3a6c7c5a3be455e2f87ae01.html">xrpld</a></li><li class="navelem"><a class="el" href="dir_42b876eb66f74e25995e23a7c0222dc7.html">rpc</a></li><li class="navelem"><a class="el" href="dir_202f05fcc82d395fac3f43e301f5a49f.html">handlers</a></li> </ul>
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<div class="headertitle"><div class="title">WalletPropose.cpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include &lt;xrpld/rpc/Context.h&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#include &lt;xrpld/rpc/detail/RPCHelpers.h&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include &lt;xrpld/rpc/handlers/WalletPropose.h&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &lt;xrpl/basics/strHex.h&gt;</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;xrpl/protocol/ErrorCodes.h&gt;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &lt;xrpl/protocol/KeyType.h&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &lt;xrpl/protocol/PublicKey.h&gt;</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include &lt;xrpl/protocol/RPCErr.h&gt;</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &lt;xrpl/protocol/SecretKey.h&gt;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &lt;xrpl/protocol/Seed.h&gt;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;xrpl/protocol/jss.h&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cmath.html">cmath</a>&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/map.html">map</a>&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="keywordtype">double</span></div>
<div class="foldopen" id="foldopen00020" data-start="{" data-end="}">
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"><a class="line" href="namespaceripple.html#ace734cc5d53d2bd5d0c530f1edfc229f"> 20</a></span><a class="code hl_function" href="namespaceripple.html#ace734cc5d53d2bd5d0c530f1edfc229f">estimate_entropy</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; input)</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span>{</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// First, we calculate the Shannon entropy. This gives</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// the average number of bits per symbol that we would</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// need to encode the input.</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map&lt;int, double&gt;</a> freq;</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; c : input)</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> freq[c]++;</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keywordtype">double</span> se = 0.0;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; [_, f] : freq)</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> {</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> (void)_;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">auto</span> x = f / input.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">length</a>();</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> se += (x)*log2(x);</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> }</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// We multiply it by the length, to get an estimate of</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// the number of bits in the input. We floor because it</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// is better to be conservative.</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/numeric/math/floor.html">std::floor</a>(-se * input.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">length</a>());</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>}</div>
</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="comment">// {</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment">// passphrase: &lt;string&gt;</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="comment">// }</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><a class="code hl_class" href="classJson_1_1Value.html">Json::Value</a></div>
<div class="foldopen" id="foldopen00049" data-start="{" data-end="}">
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="namespaceripple.html#ae532a08cb69d31aa4b0872f2f7385e5c"> 49</a></span><a class="code hl_function" href="namespaceripple.html#ae532a08cb69d31aa4b0872f2f7385e5c">doWalletPropose</a>(<a class="code hl_struct" href="structripple_1_1RPC_1_1JsonContext.html">RPC::JsonContext</a>&amp; context)</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span>{</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#ac44c4bc38270bac0b5277f85950ec295">walletPropose</a>(context.<a class="code hl_variable" href="structripple_1_1RPC_1_1JsonContext.html#a036b2c14552fbca49011c3d0e78017fa">params</a>);</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span>}</div>
</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><a class="code hl_class" href="classJson_1_1Value.html">Json::Value</a></div>
<div class="foldopen" id="foldopen00055" data-start="{" data-end="}">
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="namespaceripple.html#ac44c4bc38270bac0b5277f85950ec295"> 55</a></span><a class="code hl_function" href="namespaceripple.html#ac44c4bc38270bac0b5277f85950ec295">walletPropose</a>(<a class="code hl_class" href="classJson_1_1Value.html">Json::Value</a> <span class="keyword">const</span>&amp; params)</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span>{</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;KeyType&gt;</a> keyType;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Seed&gt;</a> seed;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordtype">bool</span> rippleLibSeed = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">if</span> (params.<a class="code hl_function" href="classJson_1_1Value.html#abfa90c81f6aee7877bd5fb4c8445994f">isMember</a>(jss::key_type))</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> {</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">if</span> (!params[jss::key_type].isString())</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> {</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple_1_1RPC.html#aa63398ec847d01de9d9af3598e3e2325">RPC::expected_field_error</a>(jss::key_type, <span class="stringliteral">&quot;string&quot;</span>);</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> }</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> keyType = <a class="code hl_function" href="namespaceripple.html#a02fdc1af16f82fc44ffd3c2a60c4c083">keyTypeFromString</a>(params[jss::key_type].asString());</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">if</span> (!keyType)</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a67869382f83fd55cf3096d2591a57b07">rpcError</a>(<a class="code hl_enumvalue" href="namespaceripple.html#a32d6d3ce1a48272b677d2c88b1d30932a82ddebc5ec7a37ff38892487277bf9c4">rpcINVALID_PARAMS</a>);</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> }</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// ripple-lib encodes seed used to generate an Ed25519 wallet in a</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="comment">// non-standard way. While we never encode seeds that way, we try</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="comment">// to detect such keys to avoid user confusion.</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> {</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">if</span> (params.<a class="code hl_function" href="classJson_1_1Value.html#abfa90c81f6aee7877bd5fb4c8445994f">isMember</a>(jss::passphrase))</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> seed = <a class="code hl_function" href="namespaceripple_1_1RPC.html#af8384f050c0cc9f8be2fae281035f85f">RPC::parseRippleLibSeed</a>(params[jss::passphrase]);</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (params.<a class="code hl_function" href="classJson_1_1Value.html#abfa90c81f6aee7877bd5fb4c8445994f">isMember</a>(jss::seed))</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> seed = <a class="code hl_function" href="namespaceripple_1_1RPC.html#af8384f050c0cc9f8be2fae281035f85f">RPC::parseRippleLibSeed</a>(params[jss::seed]);</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (seed)</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> {</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> rippleLibSeed = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="comment">// If the user *explicitly* requests a key type other than</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// Ed25519 we return an error.</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">if</span> (keyType.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/optional/value_or.html">value_or</a>(<a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b">KeyType::ed25519</a>) != <a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b">KeyType::ed25519</a>)</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a67869382f83fd55cf3096d2591a57b07">rpcError</a>(<a class="code hl_enumvalue" href="namespaceripple.html#a32d6d3ce1a48272b677d2c88b1d30932ad2f8f023342d32f2602688202894cabe">rpcBAD_SEED</a>);</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> keyType = <a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b">KeyType::ed25519</a>;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> }</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> }</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">if</span> (!seed)</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> {</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">if</span> (params.<a class="code hl_function" href="classJson_1_1Value.html#abfa90c81f6aee7877bd5fb4c8445994f">isMember</a>(jss::passphrase) || params.<a class="code hl_function" href="classJson_1_1Value.html#abfa90c81f6aee7877bd5fb4c8445994f">isMember</a>(jss::seed) ||</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> params.<a class="code hl_function" href="classJson_1_1Value.html#abfa90c81f6aee7877bd5fb4c8445994f">isMember</a>(jss::seed_hex))</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> {</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <a class="code hl_class" href="classJson_1_1Value.html">Json::Value</a> err;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> seed = <a class="code hl_function" href="namespaceripple_1_1RPC.html#a21a7a8635c70c3b03697d3be9ef7e168">RPC::getSeedFromRPC</a>(params, err);</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">if</span> (!seed)</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">return</span> err;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> }</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> {</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> seed = <a class="code hl_function" href="namespaceripple.html#a4051033596516e3ebd7c996004ed08f0">randomSeed</a>();</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> }</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> }</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">if</span> (!keyType)</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> keyType = <a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea82c2b7829b8129e5a2d53665ba4b4757">KeyType::secp256k1</a>;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">auto</span> <span class="keyword">const</span> publicKey = <a class="code hl_function" href="namespaceripple.html#a32e911b97d6debe8943c81e6fdf59573">generateKeyPair</a>(*keyType, *seed).first;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <a class="code hl_class" href="classJson_1_1Value.html">Json::Value</a> obj(<a class="code hl_enumvalue" href="namespaceJson.html#a7d654b75c16a57007925868e38212b4eae8386dcfc36d1ae897745f7b4f77a1f6">Json::objectValue</a>);</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">auto</span> <span class="keyword">const</span> seed1751 = <a class="code hl_function" href="namespaceripple.html#a6b80b8a4f703451116bfc66132409eaa">seedAs1751</a>(*seed);</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">auto</span> <span class="keyword">const</span> seedHex = <a class="code hl_function" href="namespaceripple.html#a86e358ce3f06ff049af13c2342791cf8">strHex</a>(*seed);</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">auto</span> <span class="keyword">const</span> seedBase58 = <a class="code hl_function" href="namespaceripple.html#a08a13b62b18272366f788632359e8793">toBase58</a>(*seed);</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> obj[jss::master_seed] = seedBase58;</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> obj[jss::master_seed_hex] = seedHex;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> obj[jss::master_key] = seed1751;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> obj[jss::account_id] = <a class="code hl_function" href="namespaceripple.html#a08a13b62b18272366f788632359e8793">toBase58</a>(<a class="code hl_function" href="namespaceripple.html#a614d8681c8dff84ac2257939751987c5">calcAccountID</a>(publicKey));</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> obj[jss::public_key] = <a class="code hl_function" href="namespaceripple.html#a08a13b62b18272366f788632359e8793">toBase58</a>(<a class="code hl_enumvalue" href="namespaceripple.html#a1bf8df553d36589191c8057c136cce03ab23f52a56f27cc97abe221ea3c5cd56c">TokenType::AccountPublic</a>, publicKey);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> obj[jss::key_type] = <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(*keyType);</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> obj[jss::public_key_hex] = <a class="code hl_function" href="namespaceripple.html#a86e358ce3f06ff049af13c2342791cf8">strHex</a>(publicKey);</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// If a passphrase was specified, and it was hashed and used as a seed</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// run a quick entropy check and add an appropriate warning, because</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// &quot;brain wallets&quot; can be easily attacked.</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keywordflow">if</span> (!rippleLibSeed &amp;&amp; params.<a class="code hl_function" href="classJson_1_1Value.html#abfa90c81f6aee7877bd5fb4c8445994f">isMember</a>(jss::passphrase))</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> {</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">auto</span> <span class="keyword">const</span> passphrase = params[jss::passphrase].<a class="code hl_function" href="classJson_1_1Value.html#ab0d86bf425efefd03513e8dbfaca317b">asString</a>();</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">if</span> (passphrase != seed1751 &amp;&amp; passphrase != seedBase58 &amp;&amp;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> passphrase != seedHex)</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> {</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// 80 bits of entropy isn&#39;t bad, but it&#39;s better to</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="comment">// err on the side of caution and be conservative.</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceripple.html#ace734cc5d53d2bd5d0c530f1edfc229f">estimate_entropy</a>(passphrase) &lt; 80.0)</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> obj[jss::warning] =</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="stringliteral">&quot;This wallet was generated using a user-supplied &quot;</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="stringliteral">&quot;passphrase that has low entropy and is vulnerable &quot;</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="stringliteral">&quot;to brute-force attacks.&quot;</span>;</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> obj[jss::warning] =</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="stringliteral">&quot;This wallet was generated using a user-supplied &quot;</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="stringliteral">&quot;passphrase. It may be vulnerable to brute-force &quot;</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="stringliteral">&quot;attacks.&quot;</span>;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> }</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> }</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">return</span> obj;</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span>}</div>
</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span>} <span class="comment">// namespace ripple</span></div>
<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div></div>
<div class="ttc" id="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#l00130">json_value.h:131</a></div></div>
<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#l00471">json_value.cpp:471</a></div></div>
<div class="ttc" id="aclassJson_1_1Value_html_abfa90c81f6aee7877bd5fb4c8445994f"><div class="ttname"><a href="classJson_1_1Value.html#abfa90c81f6aee7877bd5fb4c8445994f">Json::Value::isMember</a></div><div class="ttdeci">bool isMember(char const *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#l01030">json_value.cpp:1030</a></div></div>
<div class="ttc" id="acmath_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cmath.html">cmath</a></div></div>
<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>
<div class="ttc" id="amap_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/map.html">map</a></div></div>
<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#l00028">json_value.h:27</a></div></div>
<div class="ttc" id="anamespaceripple_1_1RPC_html_a21a7a8635c70c3b03697d3be9ef7e168"><div class="ttname"><a href="namespaceripple_1_1RPC.html#a21a7a8635c70c3b03697d3be9ef7e168">ripple::RPC::getSeedFromRPC</a></div><div class="ttdeci">std::optional&lt; Seed &gt; getSeedFromRPC(Json::Value const &amp;params, Json::Value &amp;error)</div><div class="ttdef"><b>Definition</b> <a href="RPCHelpers_8cpp_source.html#l00219">RPCHelpers.cpp:219</a></div></div>
<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 &amp;name, std::string const &amp;type)</div><div class="ttdef"><b>Definition</b> <a href="ErrorCodes_8h_source.html#l00330">ErrorCodes.h:330</a></div></div>
<div class="ttc" id="anamespaceripple_1_1RPC_html_af8384f050c0cc9f8be2fae281035f85f"><div class="ttname"><a href="namespaceripple_1_1RPC.html#af8384f050c0cc9f8be2fae281035f85f">ripple::RPC::parseRippleLibSeed</a></div><div class="ttdeci">std::optional&lt; Seed &gt; parseRippleLibSeed(Json::Value const &amp;value)</div><div class="ttdef"><b>Definition</b> <a href="RPCHelpers_8cpp_source.html#l00200">RPCHelpers.cpp:200</a></div></div>
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition</b> <a href="algorithm_8h_source.html#l00006">algorithm.h:6</a></div></div>
<div class="ttc" id="anamespaceripple_html_a02fdc1af16f82fc44ffd3c2a60c4c083"><div class="ttname"><a href="namespaceripple.html#a02fdc1af16f82fc44ffd3c2a60c4c083">ripple::keyTypeFromString</a></div><div class="ttdeci">std::optional&lt; KeyType &gt; keyTypeFromString(std::string const &amp;s)</div><div class="ttdef"><b>Definition</b> <a href="KeyType_8h_source.html#l00015">KeyType.h:15</a></div></div>
<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 &amp;v)</div><div class="ttdoc">Convert AccountID to base58 checked string.</div><div class="ttdef"><b>Definition</b> <a href="AccountID_8cpp_source.html#l00095">AccountID.cpp:95</a></div></div>
<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>
<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#l00065">ErrorCodes.h:65</a></div></div>
<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#l00080">ErrorCodes.h:80</a></div></div>
<div class="ttc" id="anamespaceripple_html_a32e911b97d6debe8943c81e6fdf59573"><div class="ttname"><a href="namespaceripple.html#a32e911b97d6debe8943c81e6fdf59573">ripple::generateKeyPair</a></div><div class="ttdeci">std::pair&lt; PublicKey, SecretKey &gt; generateKeyPair(KeyType type, Seed const &amp;seed)</div><div class="ttdoc">Generate a key pair deterministically.</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00350">SecretKey.cpp:350</a></div></div>
<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#l00047">Seed.cpp:47</a></div></div>
<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 &amp;pk)</div><div class="ttdef"><b>Definition</b> <a href="AccountID_8cpp_source.html#l00149">AccountID.cpp:149</a></div></div>
<div class="ttc" id="anamespaceripple_html_a67869382f83fd55cf3096d2591a57b07"><div class="ttname"><a href="namespaceripple.html#a67869382f83fd55cf3096d2591a57b07">ripple::rpcError</a></div><div class="ttdeci">Json::Value rpcError(int iError)</div><div class="ttdef"><b>Definition</b> <a href="RPCErr_8cpp_source.html#l00012">RPCErr.cpp:12</a></div></div>
<div class="ttc" id="anamespaceripple_html_a6b80b8a4f703451116bfc66132409eaa"><div class="ttname"><a href="namespaceripple.html#a6b80b8a4f703451116bfc66132409eaa">ripple::seedAs1751</a></div><div class="ttdeci">std::string seedAs1751(Seed const &amp;seed)</div><div class="ttdoc">Encode a Seed in RFC1751 format.</div><div class="ttdef"><b>Definition</b> <a href="Seed_8cpp_source.html#l00116">Seed.cpp:116</a></div></div>
<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#l00011">strHex.h:11</a></div></div>
<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>
<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>
<div class="ttc" id="anamespaceripple_html_ac124fe6744b7fe887dec949b56b16d50"><div class="ttname"><a href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">ripple::to_string</a></div><div class="ttdeci">std::string to_string(base_uint&lt; Bits, Tag &gt; const &amp;a)</div><div class="ttdef"><b>Definition</b> <a href="base__uint_8h_source.html#l00611">base_uint.h:611</a></div></div>
<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 &amp;params)</div><div class="ttdef"><b>Definition</b> <a href="WalletPropose_8cpp_source.html#l00055">WalletPropose.cpp:55</a></div></div>
<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 &amp;input)</div><div class="ttdef"><b>Definition</b> <a href="WalletPropose_8cpp_source.html#l00020">WalletPropose.cpp:20</a></div></div>
<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 &amp;)</div><div class="ttdef"><b>Definition</b> <a href="WalletPropose_8cpp_source.html#l00049">WalletPropose.cpp:49</a></div></div>
<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional</a></div></div>
<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">std::string::length</a></div><div class="ttdeci">T length(T... args)</div></div>
<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#l00033">Context.h:34</a></div></div>
<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#l00044">Context.h:44</a></div></div>
<div class="ttc" id="avalue_or_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional/value_or.html">std::optional::value_or</a></div><div class="ttdeci">T value_or(T... args)</div></div>
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