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168 lines
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168 lines
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<li class="navelem"><a class="el" href="namespaceripple.html">ripple</a></li><li class="navelem"><a class="el" href="classripple_1_1TxQ.html">TxQ</a></li><li class="navelem"><a class="el" href="classripple_1_1TxQ_1_1OrderCandidates.html">OrderCandidates</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="classripple_1_1TxQ_1_1OrderCandidates-members.html">List of all members</a> </div>
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<div class="headertitle"><div class="title">ripple::TxQ::OrderCandidates Class Reference</div></div>
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<div class="contents">
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<p>Used for sorting <a class="el" href="classripple_1_1TxQ_1_1MaybeTx.html">MaybeTx</a>.
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<a href="classripple_1_1TxQ_1_1OrderCandidates.html#details">More...</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a2625000cceb569d892223d4607e1cf42" id="r_a2625000cceb569d892223d4607e1cf42"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1TxQ_1_1OrderCandidates.html#a2625000cceb569d892223d4607e1cf42">OrderCandidates</a> ()=default</td></tr>
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<tr class="memdesc:a2625000cceb569d892223d4607e1cf42"><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <br /></td></tr>
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<tr class="separator:a2625000cceb569d892223d4607e1cf42"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af3061eb4f79d584f1526f1ed17e95a54" id="r_af3061eb4f79d584f1526f1ed17e95a54"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classripple_1_1TxQ_1_1OrderCandidates.html#af3061eb4f79d584f1526f1ed17e95a54">operator()</a> (<a class="el" href="classripple_1_1TxQ_1_1MaybeTx.html">MaybeTx</a> const &lhs, <a class="el" href="classripple_1_1TxQ_1_1MaybeTx.html">MaybeTx</a> const &rhs) const</td></tr>
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<tr class="memdesc:af3061eb4f79d584f1526f1ed17e95a54"><td class="mdescLeft"> </td><td class="mdescRight">Sort <a class="el" href="classripple_1_1TxQ_1_1MaybeTx.html">MaybeTx</a> by <code>feeLevel</code> descending, then by pseudo-randomized transaction ID ascending. <br /></td></tr>
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<tr class="separator:af3061eb4f79d584f1526f1ed17e95a54"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Used for sorting <a class="el" href="classripple_1_1TxQ_1_1MaybeTx.html">MaybeTx</a>. </p>
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<p class="definition">Definition at line <a class="el" href="TxQ_8h_source.html#l00612">612</a> of file <a class="el" href="TxQ_8h_source.html">TxQ.h</a>.</p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a id="a2625000cceb569d892223d4607e1cf42" name="a2625000cceb569d892223d4607e1cf42"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a2625000cceb569d892223d4607e1cf42">◆ </a></span>OrderCandidates()</h2>
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<td class="memname">ripple::TxQ::OrderCandidates::OrderCandidates </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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<span class="mlabels"><span class="mlabel">explicit</span><span class="mlabel">default</span></span> </td>
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<p>Default constructor. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<a id="af3061eb4f79d584f1526f1ed17e95a54" name="af3061eb4f79d584f1526f1ed17e95a54"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#af3061eb4f79d584f1526f1ed17e95a54">◆ </a></span>operator()()</h2>
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<td class="memname">bool ripple::TxQ::OrderCandidates::operator() </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="classripple_1_1TxQ_1_1MaybeTx.html">MaybeTx</a> const & </td>
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<td class="paramname"><em>lhs</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="classripple_1_1TxQ_1_1MaybeTx.html">MaybeTx</a> const & </td>
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<td class="paramname"><em>rhs</em> </td>
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<tr>
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<td>)</td>
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<td></td><td> const</td>
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<p>Sort <a class="el" href="classripple_1_1TxQ_1_1MaybeTx.html">MaybeTx</a> by <code>feeLevel</code> descending, then by pseudo-randomized transaction ID ascending. </p>
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<p>The transaction queue is ordered such that transactions paying a higher fee are in front of transactions paying a lower fee, giving them an opportunity to be processed into the open ledger first. Within transactions paying the same fee, order by the arbitrary but consistent pseudo-randomized transaction ID. The ID is pseudo-randomized by XORing it with the open ledger's parent hash, which is deterministic, but unpredictable. This allows validators to build similar queues in the same order, and thus have more similar initial proposals. </p>
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<p class="definition">Definition at line <a class="el" href="TxQ_8h_source.html#l00634">634</a> of file <a class="el" href="TxQ_8h_source.html">TxQ.h</a>.</p>
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