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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_479102fde392347bd126b381f7d9d4f1.html">conditions</a></li><li class="navelem"><a class="el" href="dir_213c30eea5bc8191205baf8de76da05c.html">impl</a></li> </ul>
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<div class="title">Fulfillment.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) 2016 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/safe_cast.h></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <ripple/conditions/Condition.h></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <ripple/conditions/Fulfillment.h></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <ripple/conditions/impl/PreimageSha256.h></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <ripple/conditions/impl/utils.h></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <boost/regex.hpp></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <boost/optional.hpp></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/type_traits.html">type_traits</a>></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/vector.html">vector</a>></span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>cryptoconditions {</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="namespaceripple_1_1cryptoconditions.html#a4ef470060d5547e6872c02f4c6648be9"> 34</a></span> <a class="code" href="namespaceripple_1_1cryptoconditions.html#a4ef470060d5547e6872c02f4c6648be9">match</a> (</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="structripple_1_1cryptoconditions_1_1Fulfillment.html">Fulfillment</a> <span class="keyword">const</span>& f,</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <a class="code" href="classripple_1_1cryptoconditions_1_1Condition.html">Condition</a> <span class="keyword">const</span>& c)</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="comment">// Fast check: the fulfillment's type must match the</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// conditions's type:</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> (f.<a class="code" href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a2428ca1b532098a302b65a1bf5e8583c">type</a>() != c.<a class="code" href="classripple_1_1cryptoconditions_1_1Condition.html#a1f2b599eafabc3091e2614fd48a847b6">type</a>)</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// Derive the condition from the given fulfillment</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">// and ensure that it matches the given condition.</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> c == f.<a class="code" href="structripple_1_1cryptoconditions_1_1Fulfillment.html#ad5db6505a78cb1f16e465576d579e369">condition</a>();</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> }</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="namespaceripple_1_1cryptoconditions.html#a623cd4b6ce708a05ac624308c31520fa"> 49</a></span> <a class="code" href="namespaceripple_1_1cryptoconditions.html#a623cd4b6ce708a05ac624308c31520fa">validate</a> (</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="structripple_1_1cryptoconditions_1_1Fulfillment.html">Fulfillment</a> <span class="keyword">const</span>& f,</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classripple_1_1cryptoconditions_1_1Condition.html">Condition</a> <span class="keyword">const</span>& c,</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="classripple_1_1Slice.html">Slice</a> m)</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> {</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple_1_1cryptoconditions.html#a4ef470060d5547e6872c02f4c6648be9">match</a> (f, c) && f.<a class="code" href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a7a671d3eaa064536a29f9db7ad8df9ec">validate</a> (m);</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> }</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> <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="namespaceripple_1_1cryptoconditions.html#a30ae2d878f389fabb02c91a286fa9c48"> 58</a></span> <a class="code" href="namespaceripple_1_1cryptoconditions.html#a623cd4b6ce708a05ac624308c31520fa">validate</a> (</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="structripple_1_1cryptoconditions_1_1Fulfillment.html">Fulfillment</a> <span class="keyword">const</span>& f,</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="classripple_1_1cryptoconditions_1_1Condition.html">Condition</a> <span class="keyword">const</span>& c)</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> {</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple_1_1cryptoconditions.html#a623cd4b6ce708a05ac624308c31520fa">validate</a> (f, c, {});</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>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<Fulfillment></a></div>
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<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a0cfe100013ad62e4d389040f52b9b96b"> 66</a></span> <a class="code" href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a0cfe100013ad62e4d389040f52b9b96b">Fulfillment::deserialize</a>(</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="classripple_1_1Slice.html">Slice</a> s,</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/error/error_code.html">std::error_code</a>& ec)</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> {</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// Per the RFC, in a fulfillment we choose a type based</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// on the tag of the item we contain:</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// Fulfillment ::= CHOICE {</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// preimageSha256 [0] PreimageFulfillment ,</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// prefixSha256 [1] PrefixFulfillment,</span></div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// thresholdSha256 [2] ThresholdFulfillment,</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// rsaSha256 [3] RsaSha256Fulfillment,</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// ed25519Sha256 [4] Ed25519Sha512Fulfillment</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// }</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (s.<a class="code" href="classripple_1_1Slice.html#a38d951bc2f27aaf89c3fdb5914c7e169">empty</a>())</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  {</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  ec = <a class="code" href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23acd5b28e72c87966347c84d863dac7313">error::buffer_empty</a>;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</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>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">using namespace </span>der;</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="keyword">auto</span> <span class="keyword">const</span> p = parsePreamble(s, ec);</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (ec)</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</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">// All fulfillments are context-specific, constructed types</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (!isConstructed(p) || !isContextSpecific(p))</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  ec = <a class="code" href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23a23ffdfca0c2059b36da38cb35daae34e">error::malformed_encoding</a>;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (p.length > s.<a class="code" href="classripple_1_1Slice.html#aa6faa586508e0f849d4591d807353825">size</a>())</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>  ec = <a class="code" href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23acfdd03f4b6e2ca9f7e3d892ad3274c5c">error::buffer_underfull</a>;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> {};</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</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="keywordflow">if</span> (p.length < s.<a class="code" href="classripple_1_1Slice.html#aa6faa586508e0f849d4591d807353825">size</a>())</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  {</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  ec = <a class="code" href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23a3399d913077c41a6126bb4128cfe9808">error::buffer_overfull</a>;</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> {};</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>  </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> (p.length > <a class="code" href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a88f1cd77d14691539f91ef7a501fc1f3">maxSerializedFulfillment</a>)</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>  ec = <a class="code" href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23aeec30238a1c1154b9beb6c425f6640e8">error::large_size</a>;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> {};</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>  </div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<Fulfillment></a> f;</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">using</span> TagType = decltype(p.tag);</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">switch</span> (p.tag)</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>  <span class="keywordflow">case</span> safe_cast<TagType>(<a class="code" href="namespaceripple_1_1cryptoconditions.html#aa3107e15003c13674a275abb96856ccda40536493d814905a0c7e5e89dca8efd1">Type::preimageSha256</a>):</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  f = <a class="code" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a38e9b0e19c25715ba4169dcd6b527e16">PreimageSha256::deserialize</a>(<a class="code" href="classripple_1_1Slice.html">Slice</a>(s.<a class="code" href="classripple_1_1Slice.html#a9d49708cd15d24841b78dc0a9ecaac26">data</a>(), p.length), ec);</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (ec)</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> {};</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  s += p.length;</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">break</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>  <span class="keywordflow">case</span> safe_cast<TagType>(<a class="code" href="namespaceripple_1_1cryptoconditions.html#aa3107e15003c13674a275abb96856ccdabcd20d75e5c9a7bd6b5e78ecc90a07af">Type::prefixSha256</a>):</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  ec = <a class="code" href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23a3babaf56ad7c1d71fe447e5bfc6352ff">error::unsupported_type</a>;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> {};</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">case</span> safe_cast<TagType>(<a class="code" href="namespaceripple_1_1cryptoconditions.html#aa3107e15003c13674a275abb96856ccdab3badbc47369a7d1f7eb4184dbd7b35a">Type::thresholdSha256</a>):</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  ec = <a class="code" href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23a3babaf56ad7c1d71fe447e5bfc6352ff">error::unsupported_type</a>;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> {};</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">case</span> safe_cast<TagType>(<a class="code" href="namespaceripple_1_1cryptoconditions.html#aa3107e15003c13674a275abb96856ccda13da7df82b08c2bca253d97812ba1eb4">Type::rsaSha256</a>):</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  ec = <a class="code" href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23a3babaf56ad7c1d71fe447e5bfc6352ff">error::unsupported_type</a>;</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> {};</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">break</span>;</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>  <span class="keywordflow">case</span> safe_cast<TagType>(<a class="code" href="namespaceripple_1_1cryptoconditions.html#aa3107e15003c13674a275abb96856ccda58e63c39e1333aaee04f4e7d56209206">Type::ed25519Sha256</a>):</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  ec = <a class="code" href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23a3babaf56ad7c1d71fe447e5bfc6352ff">error::unsupported_type</a>;</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span> {};</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  ec = <a class="code" href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23ad09109cd4d5da45ade59d2563b00936a">error::unknown_type</a>;</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">return</span> {};</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>  </div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (!s.<a class="code" href="classripple_1_1Slice.html#a38d951bc2f27aaf89c3fdb5914c7e169">empty</a>())</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  {</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  ec = <a class="code" href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23a622acecc4fa47f86b8598218361cec31">error::trailing_garbage</a>;</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> {};</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</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">return</span> f;</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> }</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  </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> }</div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="aclassripple_1_1Slice_html_aa6faa586508e0f849d4591d807353825"><div class="ttname"><a href="classripple_1_1Slice.html#aa6faa586508e0f849d4591d807353825">ripple::Slice::size</a></div><div class="ttdeci">std::size_t size() const noexcept</div><div class="ttdoc">Returns the number of bytes in the storage.</div><div class="ttdef"><b>Definition:</b> <a href="Slice_8h_source.html#l00077">Slice.h:77</a></div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_ae0bee5541ce10d52809660ad2d100a23acd5b28e72c87966347c84d863dac7313"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23acd5b28e72c87966347c84d863dac7313">ripple::cryptoconditions::error::buffer_empty</a></div><div class="ttdeci">@ buffer_empty</div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_aa3107e15003c13674a275abb96856ccda40536493d814905a0c7e5e89dca8efd1"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#aa3107e15003c13674a275abb96856ccda40536493d814905a0c7e5e89dca8efd1">ripple::cryptoconditions::Type::preimageSha256</a></div><div class="ttdeci">@ preimageSha256</div></div>
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<div class="ttc" id="astructripple_1_1cryptoconditions_1_1Fulfillment_html_a0cfe100013ad62e4d389040f52b9b96b"><div class="ttname"><a href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a0cfe100013ad62e4d389040f52b9b96b">ripple::cryptoconditions::Fulfillment::deserialize</a></div><div class="ttdeci">static std::unique_ptr< Fulfillment > deserialize(Slice s, std::error_code &ec)</div><div class="ttdoc">Load a fulfillment from its binary form.</div><div class="ttdef"><b>Definition:</b> <a href="Fulfillment_8cpp_source.html#l00066">Fulfillment.cpp:66</a></div></div>
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<div class="ttc" id="astructripple_1_1cryptoconditions_1_1Fulfillment_html_a88f1cd77d14691539f91ef7a501fc1f3"><div class="ttname"><a href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a88f1cd77d14691539f91ef7a501fc1f3">ripple::cryptoconditions::Fulfillment::maxSerializedFulfillment</a></div><div class="ttdeci">static constexpr std::size_t maxSerializedFulfillment</div><div class="ttdoc">The largest binary fulfillment we support.</div><div class="ttdef"><b>Definition:</b> <a href="Fulfillment_8h_source.html#l00042">Fulfillment.h:42</a></div></div>
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<div class="ttc" id="aclassripple_1_1Slice_html"><div class="ttname"><a href="classripple_1_1Slice.html">ripple::Slice</a></div><div class="ttdoc">An immutable linear range of bytes.</div><div class="ttdef"><b>Definition:</b> <a href="Slice_8h_source.html#l00043">Slice.h:43</a></div></div>
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<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/vector.html">vector</a></div></div>
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<div class="ttc" id="astructripple_1_1cryptoconditions_1_1Fulfillment_html_a2428ca1b532098a302b65a1bf5e8583c"><div class="ttname"><a href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a2428ca1b532098a302b65a1bf5e8583c">ripple::cryptoconditions::Fulfillment::type</a></div><div class="ttdeci">virtual Type type() const =0</div><div class="ttdoc">Returns the type of this condition.</div></div>
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<div class="ttc" id="astructripple_1_1cryptoconditions_1_1Fulfillment_html_a7a671d3eaa064536a29f9db7ad8df9ec"><div class="ttname"><a href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a7a671d3eaa064536a29f9db7ad8df9ec">ripple::cryptoconditions::Fulfillment::validate</a></div><div class="ttdeci">virtual bool validate(Slice data) const =0</div><div class="ttdoc">Validates a fulfillment.</div></div>
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<div class="ttc" id="aclassripple_1_1Slice_html_a9d49708cd15d24841b78dc0a9ecaac26"><div class="ttname"><a href="classripple_1_1Slice.html#a9d49708cd15d24841b78dc0a9ecaac26">ripple::Slice::data</a></div><div class="ttdeci">std::uint8_t const * data() const noexcept</div><div class="ttdoc">Return a pointer to beginning of the storage.</div><div class="ttdef"><b>Definition:</b> <a href="Slice_8h_source.html#l00087">Slice.h:87</a></div></div>
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<div class="ttc" id="aclassripple_1_1cryptoconditions_1_1Condition_html"><div class="ttname"><a href="classripple_1_1cryptoconditions_1_1Condition.html">ripple::cryptoconditions::Condition</a></div><div class="ttdef"><b>Definition:</b> <a href="Condition_8h_source.html#l00046">Condition.h:46</a></div></div>
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<div class="ttc" id="aclassripple_1_1Slice_html_a38d951bc2f27aaf89c3fdb5914c7e169"><div class="ttname"><a href="classripple_1_1Slice.html#a38d951bc2f27aaf89c3fdb5914c7e169">ripple::Slice::empty</a></div><div class="ttdeci">bool empty() const noexcept</div><div class="ttdoc">Return true if the byte range is empty.</div><div class="ttdef"><b>Definition:</b> <a href="Slice_8h_source.html#l00067">Slice.h:67</a></div></div>
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<div class="ttc" id="aclassripple_1_1cryptoconditions_1_1PreimageSha256_html_a38e9b0e19c25715ba4169dcd6b527e16"><div class="ttname"><a href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a38e9b0e19c25715ba4169dcd6b527e16">ripple::cryptoconditions::PreimageSha256::deserialize</a></div><div class="ttdeci">static std::unique_ptr< Fulfillment > deserialize(Slice s, std::error_code &ec)</div><div class="ttdoc">Parse the payload for a PreimageSha256 condition.</div><div class="ttdef"><b>Definition:</b> <a href="PreimageSha256_8h_source.html#l00057">PreimageSha256.h:57</a></div></div>
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<div class="ttc" id="aerror_code_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/error/error_code.html">std::error_code</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_aa3107e15003c13674a275abb96856ccda58e63c39e1333aaee04f4e7d56209206"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#aa3107e15003c13674a275abb96856ccda58e63c39e1333aaee04f4e7d56209206">ripple::cryptoconditions::Type::ed25519Sha256</a></div><div class="ttdeci">@ ed25519Sha256</div></div>
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<div class="ttc" id="aclassripple_1_1cryptoconditions_1_1Condition_html_a1f2b599eafabc3091e2614fd48a847b6"><div class="ttname"><a href="classripple_1_1cryptoconditions_1_1Condition.html#a1f2b599eafabc3091e2614fd48a847b6">ripple::cryptoconditions::Condition::type</a></div><div class="ttdeci">Type type</div><div class="ttdef"><b>Definition:</b> <a href="Condition_8h_source.html#l00073">Condition.h:73</a></div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_ae0bee5541ce10d52809660ad2d100a23acfdd03f4b6e2ca9f7e3d892ad3274c5c"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23acfdd03f4b6e2ca9f7e3d892ad3274c5c">ripple::cryptoconditions::error::buffer_underfull</a></div><div class="ttdeci">@ buffer_underfull</div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_aa3107e15003c13674a275abb96856ccdab3badbc47369a7d1f7eb4184dbd7b35a"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#aa3107e15003c13674a275abb96856ccdab3badbc47369a7d1f7eb4184dbd7b35a">ripple::cryptoconditions::Type::thresholdSha256</a></div><div class="ttdeci">@ thresholdSha256</div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_ae0bee5541ce10d52809660ad2d100a23ad09109cd4d5da45ade59d2563b00936a"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23ad09109cd4d5da45ade59d2563b00936a">ripple::cryptoconditions::error::unknown_type</a></div><div class="ttdeci">@ unknown_type</div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_a623cd4b6ce708a05ac624308c31520fa"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#a623cd4b6ce708a05ac624308c31520fa">ripple::cryptoconditions::validate</a></div><div class="ttdeci">bool validate(Fulfillment const &f, Condition const &c, Slice m)</div><div class="ttdoc">Verify if the given message satisfies the fulfillment.</div><div class="ttdef"><b>Definition:</b> <a href="Fulfillment_8cpp_source.html#l00049">Fulfillment.cpp:49</a></div></div>
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<div class="ttc" id="astructripple_1_1cryptoconditions_1_1Fulfillment_html_ad5db6505a78cb1f16e465576d579e369"><div class="ttname"><a href="structripple_1_1cryptoconditions_1_1Fulfillment.html#ad5db6505a78cb1f16e465576d579e369">ripple::cryptoconditions::Fulfillment::condition</a></div><div class="ttdeci">virtual Condition condition() const =0</div><div class="ttdoc">Returns the condition associated with the given fulfillment.</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_1_1cryptoconditions_html_aa3107e15003c13674a275abb96856ccdabcd20d75e5c9a7bd6b5e78ecc90a07af"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#aa3107e15003c13674a275abb96856ccdabcd20d75e5c9a7bd6b5e78ecc90a07af">ripple::cryptoconditions::Type::prefixSha256</a></div><div class="ttdeci">@ prefixSha256</div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_aa3107e15003c13674a275abb96856ccda13da7df82b08c2bca253d97812ba1eb4"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#aa3107e15003c13674a275abb96856ccda13da7df82b08c2bca253d97812ba1eb4">ripple::cryptoconditions::Type::rsaSha256</a></div><div class="ttdeci">@ rsaSha256</div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_a4ef470060d5547e6872c02f4c6648be9"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#a4ef470060d5547e6872c02f4c6648be9">ripple::cryptoconditions::match</a></div><div class="ttdeci">bool match(Fulfillment const &f, Condition const &c)</div><div class="ttdoc">Determine whether the given fulfillment and condition match.</div><div class="ttdef"><b>Definition:</b> <a href="Fulfillment_8cpp_source.html#l00034">Fulfillment.cpp:34</a></div></div>
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<div class="ttc" id="astructripple_1_1cryptoconditions_1_1Fulfillment_html"><div class="ttname"><a href="structripple_1_1cryptoconditions_1_1Fulfillment.html">ripple::cryptoconditions::Fulfillment</a></div><div class="ttdef"><b>Definition:</b> <a href="Fulfillment_8h_source.html#l00032">Fulfillment.h:32</a></div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_ae0bee5541ce10d52809660ad2d100a23a3399d913077c41a6126bb4128cfe9808"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23a3399d913077c41a6126bb4128cfe9808">ripple::cryptoconditions::error::buffer_overfull</a></div><div class="ttdeci">@ buffer_overfull</div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_ae0bee5541ce10d52809660ad2d100a23aeec30238a1c1154b9beb6c425f6640e8"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23aeec30238a1c1154b9beb6c425f6640e8">ripple::cryptoconditions::error::large_size</a></div><div class="ttdeci">@ large_size</div></div>
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<div class="ttc" id="aunique_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_ae0bee5541ce10d52809660ad2d100a23a622acecc4fa47f86b8598218361cec31"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23a622acecc4fa47f86b8598218361cec31">ripple::cryptoconditions::error::trailing_garbage</a></div><div class="ttdeci">@ trailing_garbage</div></div>
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<div class="ttc" id="atype_traits_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/type_traits.html">type_traits</a></div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_ae0bee5541ce10d52809660ad2d100a23a23ffdfca0c2059b36da38cb35daae34e"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23a23ffdfca0c2059b36da38cb35daae34e">ripple::cryptoconditions::error::malformed_encoding</a></div><div class="ttdeci">@ malformed_encoding</div></div>
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<div class="ttc" id="anamespaceripple_1_1cryptoconditions_html_ae0bee5541ce10d52809660ad2d100a23a3babaf56ad7c1d71fe447e5bfc6352ff"><div class="ttname"><a href="namespaceripple_1_1cryptoconditions.html#ae0bee5541ce10d52809660ad2d100a23a3babaf56ad7c1d71fe447e5bfc6352ff">ripple::cryptoconditions::error::unsupported_type</a></div><div class="ttdeci">@ unsupported_type</div></div>
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