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<li class="navelem"><a class="el" href="namespaceripple.html">ripple</a></li><li class="navelem"><a class="el" href="namespaceripple_1_1cryptoconditions.html">cryptoconditions</a></li><li class="navelem"><a class="el" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html">PreimageSha256</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
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<div class="title">ripple::cryptoconditions::PreimageSha256 Class Reference<span class="mlabels"><span class="mlabel">final</span></span></div> </div>
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Inheritance diagram for ripple::cryptoconditions::PreimageSha256:</div>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a33fc8b3aeb76e17a2f1c6c63d7761e22"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a33fc8b3aeb76e17a2f1c6c63d7761e22">PreimageSha256</a> (<a class="el" href="classripple_1_1Buffer.html">Buffer</a> &amp;&amp;b) noexcept</td></tr>
<tr class="separator:a33fc8b3aeb76e17a2f1c6c63d7761e22"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aff5ba2b2733e820bba7da7882fb036d3"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#aff5ba2b2733e820bba7da7882fb036d3">PreimageSha256</a> (<a class="el" href="classripple_1_1Slice.html">Slice</a> s) noexcept</td></tr>
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<tr class="memdesc:ac16287043405acdbeb79c5c501bb1ff1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the type of this condition. <a href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#ac16287043405acdbeb79c5c501bb1ff1">More...</a><br /></td></tr>
<tr class="separator:ac16287043405acdbeb79c5c501bb1ff1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a32a6bdb571dd1145d85d88b91a5f682a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classripple_1_1Buffer.html">Buffer</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a32a6bdb571dd1145d85d88b91a5f682a">fingerprint</a> () const override</td></tr>
<tr class="memdesc:a32a6bdb571dd1145d85d88b91a5f682a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the fulfillment's fingerprint: <a href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a32a6bdb571dd1145d85d88b91a5f682a">More...</a><br /></td></tr>
<tr class="separator:a32a6bdb571dd1145d85d88b91a5f682a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae123cad97af124620811e003c84594b4"><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#ae123cad97af124620811e003c84594b4">cost</a> () const override</td></tr>
<tr class="memdesc:ae123cad97af124620811e003c84594b4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculates the cost associated with this fulfillment. <a href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#ae123cad97af124620811e003c84594b4">More...</a><br /></td></tr>
<tr class="separator:ae123cad97af124620811e003c84594b4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a87fc55bbedc439c4f10ca9675eee37b5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classripple_1_1cryptoconditions_1_1Condition.html">Condition</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a87fc55bbedc439c4f10ca9675eee37b5">condition</a> () const override</td></tr>
<tr class="memdesc:a87fc55bbedc439c4f10ca9675eee37b5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the condition associated with the given fulfillment. <a href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a87fc55bbedc439c4f10ca9675eee37b5">More...</a><br /></td></tr>
<tr class="separator:a87fc55bbedc439c4f10ca9675eee37b5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a06d9ff9c6ad66a7a53b91c6bd5aa75f2"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a06d9ff9c6ad66a7a53b91c6bd5aa75f2">validate</a> (<a class="el" href="classripple_1_1Slice.html">Slice</a>) const override</td></tr>
<tr class="memdesc:a06d9ff9c6ad66a7a53b91c6bd5aa75f2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Validates a fulfillment. <a href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a06d9ff9c6ad66a7a53b91c6bd5aa75f2">More...</a><br /></td></tr>
<tr class="separator:a06d9ff9c6ad66a7a53b91c6bd5aa75f2"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a38e9b0e19c25715ba4169dcd6b527e16"><td class="memItemLeft" align="right" valign="top">static <a class="elRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr</a>&lt; <a class="el" href="structripple_1_1cryptoconditions_1_1Fulfillment.html">Fulfillment</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a38e9b0e19c25715ba4169dcd6b527e16">deserialize</a> (<a class="el" href="classripple_1_1Slice.html">Slice</a> s, <a class="elRef" href="http://en.cppreference.com/w/cpp/error/error_code.html">std::error_code</a> &amp;ec)</td></tr>
<tr class="memdesc:a38e9b0e19c25715ba4169dcd6b527e16"><td class="mdescLeft">&#160;</td><td class="mdescRight">Parse the payload for a <a class="el" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html">PreimageSha256</a> condition. <a href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a38e9b0e19c25715ba4169dcd6b527e16">More...</a><br /></td></tr>
<tr class="separator:a38e9b0e19c25715ba4169dcd6b527e16"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a>
Static Public Attributes</h2></td></tr>
<tr class="memitem:a62cb7844ba6809e8d2c47178245c993d"><td class="memItemLeft" align="right" valign="top">static constexpr <a class="elRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a62cb7844ba6809e8d2c47178245c993d">maxPreimageLength</a> = 128</td></tr>
<tr class="memdesc:a62cb7844ba6809e8d2c47178245c993d"><td class="mdescLeft">&#160;</td><td class="mdescRight">The maximum allowed length of a preimage. <a href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a62cb7844ba6809e8d2c47178245c993d">More...</a><br /></td></tr>
<tr class="separator:a62cb7844ba6809e8d2c47178245c993d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a88f1cd77d14691539f91ef7a501fc1f3"><td class="memItemLeft" align="right" valign="top">static constexpr <a class="elRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a88f1cd77d14691539f91ef7a501fc1f3">maxSerializedFulfillment</a> = 256</td></tr>
<tr class="memdesc:a88f1cd77d14691539f91ef7a501fc1f3"><td class="mdescLeft">&#160;</td><td class="mdescRight">The largest binary fulfillment we support. <a href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a88f1cd77d14691539f91ef7a501fc1f3">More...</a><br /></td></tr>
<tr class="separator:a88f1cd77d14691539f91ef7a501fc1f3"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-attribs"></a>
Private Attributes</h2></td></tr>
<tr class="memitem:a1d8265482964990db39196b535558a29"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classripple_1_1Buffer.html">Buffer</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html#a1d8265482964990db39196b535558a29">payload_</a></td></tr>
<tr class="separator:a1d8265482964990db39196b535558a29"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock">
<p class="definition">Definition at line <a class="el" href="PreimageSha256_8h_source.html#l00034">34</a> of file <a class="el" href="PreimageSha256_8h_source.html">PreimageSha256.h</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a33fc8b3aeb76e17a2f1c6c63d7761e22"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a33fc8b3aeb76e17a2f1c6c63d7761e22">&#9670;&nbsp;</a></span>PreimageSha256() <span class="overload">[1/2]</span></h2>
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<td class="memname">ripple::cryptoconditions::PreimageSha256::PreimageSha256 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classripple_1_1Buffer.html">Buffer</a> &amp;&amp;&#160;</td>
<td class="paramname"><em>b</em></td><td>)</td>
<td></td>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">noexcept</span></span> </td>
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<p class="definition">Definition at line <a class="el" href="PreimageSha256_8h_source.html#l00105">105</a> of file <a class="el" href="PreimageSha256_8h_source.html">PreimageSha256.h</a>.</p>
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<a id="aff5ba2b2733e820bba7da7882fb036d3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aff5ba2b2733e820bba7da7882fb036d3">&#9670;&nbsp;</a></span>PreimageSha256() <span class="overload">[2/2]</span></h2>
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<div class="memproto">
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<td class="memname">ripple::cryptoconditions::PreimageSha256::PreimageSha256 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classripple_1_1Slice.html">Slice</a>&#160;</td>
<td class="paramname"><em>s</em></td><td>)</td>
<td></td>
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</td>
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<span class="mlabels"><span class="mlabel">noexcept</span></span> </td>
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<p class="definition">Definition at line <a class="el" href="PreimageSha256_8h_source.html#l00109">109</a> of file <a class="el" href="PreimageSha256_8h_source.html">PreimageSha256.h</a>.</p>
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</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="a38e9b0e19c25715ba4169dcd6b527e16"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a38e9b0e19c25715ba4169dcd6b527e16">&#9670;&nbsp;</a></span>deserialize()</h2>
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<td class="memname">static <a class="elRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr</a>&lt;<a class="el" href="structripple_1_1cryptoconditions_1_1Fulfillment.html">Fulfillment</a>&gt; ripple::cryptoconditions::PreimageSha256::deserialize </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classripple_1_1Slice.html">Slice</a>&#160;</td>
<td class="paramname"><em>s</em>, </td>
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<td class="paramtype"><a class="elRef" href="http://en.cppreference.com/w/cpp/error/error_code.html">std::error_code</a> &amp;&#160;</td>
<td class="paramname"><em>ec</em>&#160;</td>
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<td></td>
<td>)</td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Parse the payload for a <a class="el" href="classripple_1_1cryptoconditions_1_1PreimageSha256.html">PreimageSha256</a> condition. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">s</td><td>A slice containing the DER encoded payload </td></tr>
<tr><td class="paramname">ec</td><td>indicates success or failure of the operation </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the preimage, if successful; empty pointer otherwise. </dd></dl>
<p class="definition">Definition at line <a class="el" href="PreimageSha256_8h_source.html#l00055">55</a> of file <a class="el" href="PreimageSha256_8h_source.html">PreimageSha256.h</a>.</p>
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<a id="ac16287043405acdbeb79c5c501bb1ff1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac16287043405acdbeb79c5c501bb1ff1">&#9670;&nbsp;</a></span>type()</h2>
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<td class="memname"><a class="el" href="namespaceripple_1_1cryptoconditions.html#aa3107e15003c13674a275abb96856ccd">Type</a> ripple::cryptoconditions::PreimageSha256::type </td>
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<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Returns the type of this condition. </p>
<p>Implements <a class="el" href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a2428ca1b532098a302b65a1bf5e8583c">ripple::cryptoconditions::Fulfillment</a>.</p>
<p class="definition">Definition at line <a class="el" href="PreimageSha256_8h_source.html#l00114">114</a> of file <a class="el" href="PreimageSha256_8h_source.html">PreimageSha256.h</a>.</p>
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<a id="a32a6bdb571dd1145d85d88b91a5f682a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a32a6bdb571dd1145d85d88b91a5f682a">&#9670;&nbsp;</a></span>fingerprint()</h2>
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<td class="memname"><a class="el" href="classripple_1_1Buffer.html">Buffer</a> ripple::cryptoconditions::PreimageSha256::fingerprint </td>
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<p>Returns the fulfillment's fingerprint: </p>
<p>The fingerprint is an octet string uniquely representing this fulfillment's condition with respect to other conditions of the same type. </p>
<p>Implements <a class="el" href="structripple_1_1cryptoconditions_1_1Fulfillment.html#ad684947e5ed39d6d75ec6916d783e270">ripple::cryptoconditions::Fulfillment</a>.</p>
<p class="definition">Definition at line <a class="el" href="PreimageSha256_8h_source.html#l00120">120</a> of file <a class="el" href="PreimageSha256_8h_source.html">PreimageSha256.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae123cad97af124620811e003c84594b4">&#9670;&nbsp;</a></span>cost()</h2>
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<td class="memname"><a class="elRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> ripple::cryptoconditions::PreimageSha256::cost </td>
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<p>Calculates the cost associated with this fulfillment. </p>
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<li>The cost function is deterministic and depends on the type and properties of the condition and the fulfillment that the condition is generated from. </li>
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<p>Implements <a class="el" href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a8852eb8fce1a48d3ca774066fe9b4ccb">ripple::cryptoconditions::Fulfillment</a>.</p>
<p class="definition">Definition at line <a class="el" href="PreimageSha256_8h_source.html#l00129">129</a> of file <a class="el" href="PreimageSha256_8h_source.html">PreimageSha256.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a87fc55bbedc439c4f10ca9675eee37b5">&#9670;&nbsp;</a></span>condition()</h2>
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<td class="memname"><a class="el" href="classripple_1_1cryptoconditions_1_1Condition.html">Condition</a> ripple::cryptoconditions::PreimageSha256::condition </td>
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<p>Returns the condition associated with the given fulfillment. </p>
<p>This process is completely deterministic. All implementations will, if compliant, produce the identical condition for the same fulfillment. </p>
<p>Implements <a class="el" href="structripple_1_1cryptoconditions_1_1Fulfillment.html#ad5db6505a78cb1f16e465576d579e369">ripple::cryptoconditions::Fulfillment</a>.</p>
<p class="definition">Definition at line <a class="el" href="PreimageSha256_8h_source.html#l00135">135</a> of file <a class="el" href="PreimageSha256_8h_source.html">PreimageSha256.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a06d9ff9c6ad66a7a53b91c6bd5aa75f2">&#9670;&nbsp;</a></span>validate()</h2>
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<td class="memname">bool ripple::cryptoconditions::PreimageSha256::validate </td>
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<p>Validates a fulfillment. </p>
<p>Implements <a class="el" href="structripple_1_1cryptoconditions_1_1Fulfillment.html#a7a671d3eaa064536a29f9db7ad8df9ec">ripple::cryptoconditions::Fulfillment</a>.</p>
<p class="definition">Definition at line <a class="el" href="PreimageSha256_8h_source.html#l00140">140</a> of file <a class="el" href="PreimageSha256_8h_source.html">PreimageSha256.h</a>.</p>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a62cb7844ba6809e8d2c47178245c993d">&#9670;&nbsp;</a></span>maxPreimageLength</h2>
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<td class="memname">constexpr <a class="elRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> ripple::cryptoconditions::PreimageSha256::maxPreimageLength = 128</td>
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<p>The maximum allowed length of a preimage. </p>
<p>The specification does not specify a minimum supported length, nor does it require all conditions to support the same minimum length.</p>
<p>While future versions of this code will never lower this limit, they may opt to raise it. </p>
<p class="definition">Definition at line <a class="el" href="PreimageSha256_8h_source.html#l00046">46</a> of file <a class="el" href="PreimageSha256_8h_source.html">PreimageSha256.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1d8265482964990db39196b535558a29">&#9670;&nbsp;</a></span>payload_</h2>
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<td class="memname"><a class="el" href="classripple_1_1Buffer.html">Buffer</a> ripple::cryptoconditions::PreimageSha256::payload_</td>
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<p class="definition">Definition at line <a class="el" href="PreimageSha256_8h_source.html#l00102">102</a> of file <a class="el" href="PreimageSha256_8h_source.html">PreimageSha256.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a88f1cd77d14691539f91ef7a501fc1f3">&#9670;&nbsp;</a></span>maxSerializedFulfillment</h2>
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<td class="memname">constexpr <a class="elRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> ripple::cryptoconditions::Fulfillment::maxSerializedFulfillment = 256</td>
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<p>The largest binary fulfillment we support. </p>
<dl class="section note"><dt>Note</dt><dd>This value will be increased in the future, but it must never decrease, as that could cause fulfillments that were previously considered valid to no longer be allowed. </dd></dl>
<p class="definition">Definition at line <a class="el" href="Fulfillment_8h_source.html#l00041">41</a> of file <a class="el" href="Fulfillment_8h_source.html">Fulfillment.h</a>.</p>
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