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<a href="rbf_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright (c) 2016 The Bitcoin developers</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Distributed under the MIT software license, see the accompanying</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// file COPYING or http://www.opensource.org/licenses/mit-license.php.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "<a class="code" href="rbf_8h.html">policy/rbf.h</a>"</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"><a class="line" href="rbf_8h.html#a65695ad9c85ce6b262f53aa40e254fd0"> 7</a></span> <span class="keywordtype">bool</span> <a class="code" href="rbf_8cpp.html#a65695ad9c85ce6b262f53aa40e254fd0">SignalsOptInRBF</a>(<span class="keyword">const</span> <a class="code" href="classCTransaction.html">CTransaction</a> &tx)</div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> {</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  BOOST_FOREACH(<span class="keyword">const</span> <a class="code" href="classCTxIn.html">CTxIn</a> &txin, tx.<a class="code" href="classCTransaction.html#ad64447ea044ec850313696fc99412d95">vin</a>) {</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  <span class="keywordflow">if</span> (txin.<a class="code" href="classCTxIn.html#a635deeaf3ca4e8b3e1a97054607211b9">nSequence</a> < std::numeric_limits<unsigned int>::max()-1) {</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  }</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  }</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> }</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="rbf_8h.html#ad58f52df4182b1368d277a98838d74e3"> 17</a></span> <span class="keywordtype">bool</span> <a class="code" href="rbf_8cpp.html#ad58f52df4182b1368d277a98838d74e3">IsRBFOptIn</a>(<span class="keyword">const</span> <a class="code" href="classCTxMemPoolEntry.html">CTxMemPoolEntry</a> &entry, <a class="code" href="classCTxMemPool.html">CTxMemPool</a> &pool)</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> {</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <a class="code" href="sync_8h.html#acd61d0cb3b49f367728193720014aed0">AssertLockHeld</a>(pool.<a class="code" href="classCTxMemPool.html#ac7ee8c06837c7d2688e2d7e3d071bdbb">cs</a>);</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <a class="code" href="classCTxMemPool.html#a8da3f55d23d335261338753b22e0171d">CTxMemPool::setEntries</a> setAncestors;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="comment">// First check the transaction itself.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordflow">if</span> (<a class="code" href="rbf_8cpp.html#a65695ad9c85ce6b262f53aa40e254fd0">SignalsOptInRBF</a>(entry.<a class="code" href="classCTxMemPoolEntry.html#a2deed4202061edf8b040a3f554417c20">GetTx</a>())) {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  }</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="comment">// If this transaction is not in our mempool, then we can't be sure</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="comment">// we will know about all its inputs.</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">if</span> (!pool.<a class="code" href="classCTxMemPool.html#a8b7a13b5289ab839d4460f41a7da9789">exists</a>(entry.<a class="code" href="classCTxMemPoolEntry.html#a2deed4202061edf8b040a3f554417c20">GetTx</a>().<a class="code" href="classCTransaction.html#a7efd1379de830341417c0bfa23a149aa">GetHash</a>())) {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Cannot determine RBF opt-in signal for non-mempool transaction\n"</span>);</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">// If all the inputs have nSequence >= maxint-1, it still might be</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="comment">// signaled for RBF if any unconfirmed parents have signaled.</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  uint64_t noLimit = std::numeric_limits<uint64_t>::max();</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  std::string dummy;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  pool.<a class="code" href="classCTxMemPool.html#ae755bb5ccada190327c26d09388b4139">CalculateMemPoolAncestors</a>(entry, setAncestors, noLimit, noLimit, noLimit, noLimit, dummy, <span class="keyword">false</span>);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  BOOST_FOREACH(<a class="code" href="classCTxMemPool.html#aa3b42beec827c813a0c4b42e50615f5a">CTxMemPool::txiter</a> it, setAncestors) {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">if</span> (<a class="code" href="rbf_8cpp.html#a65695ad9c85ce6b262f53aa40e254fd0">SignalsOptInRBF</a>(it->GetTx())) {</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> }</div><div class="ttc" id="classCTxIn_html"><div class="ttname"><a href="classCTxIn.html">CTxIn</a></div><div class="ttdef"><b>Definition:</b> <a href="transaction_8h_source.html#l00058">transaction.h:58</a></div></div>
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<div class="ttc" id="classCTxIn_html_a635deeaf3ca4e8b3e1a97054607211b9"><div class="ttname"><a href="classCTxIn.html#a635deeaf3ca4e8b3e1a97054607211b9">CTxIn::nSequence</a></div><div class="ttdeci">uint32_t nSequence</div><div class="ttdef"><b>Definition:</b> <a href="transaction_8h_source.html#l00063">transaction.h:63</a></div></div>
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<div class="ttc" id="classCTxMemPoolEntry_html"><div class="ttname"><a href="classCTxMemPoolEntry.html">CTxMemPoolEntry</a></div><div class="ttdef"><b>Definition:</b> <a href="txmempool_8h_source.html#l00076">txmempool.h:76</a></div></div>
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<div class="ttc" id="classCTxMemPool_html_ae755bb5ccada190327c26d09388b4139"><div class="ttname"><a href="classCTxMemPool.html#ae755bb5ccada190327c26d09388b4139">CTxMemPool::CalculateMemPoolAncestors</a></div><div class="ttdeci">bool CalculateMemPoolAncestors(const CTxMemPoolEntry &entry, setEntries &setAncestors, uint64_t limitAncestorCount, uint64_t limitAncestorSize, uint64_t limitDescendantCount, uint64_t limitDescendantSize, std::string &errString, bool fSearchForParents=true)</div><div class="ttdef"><b>Definition:</b> <a href="txmempool_8cpp_source.html#l00183">txmempool.cpp:183</a></div></div>
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<div class="ttc" id="classCTxMemPool_html_a8b7a13b5289ab839d4460f41a7da9789"><div class="ttname"><a href="classCTxMemPool.html#a8b7a13b5289ab839d4460f41a7da9789">CTxMemPool::exists</a></div><div class="ttdeci">bool exists(uint256 hash) const</div><div class="ttdef"><b>Definition:</b> <a href="txmempool_8h_source.html#l00563">txmempool.h:563</a></div></div>
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<div class="ttc" id="sync_8h_html_acd61d0cb3b49f367728193720014aed0"><div class="ttname"><a href="sync_8h.html#acd61d0cb3b49f367728193720014aed0">AssertLockHeld</a></div><div class="ttdeci">#define AssertLockHeld(cs)</div><div class="ttdef"><b>Definition:</b> <a href="sync_8h_source.html#l00096">sync.h:96</a></div></div>
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<div class="ttc" id="classCTxMemPool_html_ac7ee8c06837c7d2688e2d7e3d071bdbb"><div class="ttname"><a href="classCTxMemPool.html#ac7ee8c06837c7d2688e2d7e3d071bdbb">CTxMemPool::cs</a></div><div class="ttdeci">CCriticalSection cs</div><div class="ttdef"><b>Definition:</b> <a href="txmempool_8h_source.html#l00402">txmempool.h:402</a></div></div>
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<div class="ttc" id="classCTxMemPool_html_aa3b42beec827c813a0c4b42e50615f5a"><div class="ttname"><a href="classCTxMemPool.html#aa3b42beec827c813a0c4b42e50615f5a">CTxMemPool::txiter</a></div><div class="ttdeci">indexed_transaction_set::nth_index< 0 >::type::iterator txiter</div><div class="ttdef"><b>Definition:</b> <a href="txmempool_8h_source.html#l00404">txmempool.h:404</a></div></div>
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<div class="ttc" id="classCTransaction_html"><div class="ttname"><a href="classCTransaction.html">CTransaction</a></div><div class="ttdef"><b>Definition:</b> <a href="transaction_8h_source.html#l00210">transaction.h:210</a></div></div>
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<div class="ttc" id="rbf_8h_html"><div class="ttname"><a href="rbf_8h.html">rbf.h</a></div></div>
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<div class="ttc" id="classCTxMemPoolEntry_html_a2deed4202061edf8b040a3f554417c20"><div class="ttname"><a href="classCTxMemPoolEntry.html#a2deed4202061edf8b040a3f554417c20">CTxMemPoolEntry::GetTx</a></div><div class="ttdeci">const CTransaction & GetTx() const</div><div class="ttdef"><b>Definition:</b> <a href="txmempool_8h_source.html#l00110">txmempool.h:110</a></div></div>
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<div class="ttc" id="rbf_8cpp_html_ad58f52df4182b1368d277a98838d74e3"><div class="ttname"><a href="rbf_8cpp.html#ad58f52df4182b1368d277a98838d74e3">IsRBFOptIn</a></div><div class="ttdeci">bool IsRBFOptIn(const CTxMemPoolEntry &entry, CTxMemPool &pool)</div><div class="ttdef"><b>Definition:</b> <a href="rbf_8cpp_source.html#l00017">rbf.cpp:17</a></div></div>
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<div class="ttc" id="classCTxMemPool_html_a8da3f55d23d335261338753b22e0171d"><div class="ttname"><a href="classCTxMemPool.html#a8da3f55d23d335261338753b22e0171d">CTxMemPool::setEntries</a></div><div class="ttdeci">std::set< txiter, CompareIteratorByHash > setEntries</div><div class="ttdef"><b>Definition:</b> <a href="txmempool_8h_source.html#l00410">txmempool.h:410</a></div></div>
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<div class="ttc" id="classCTransaction_html_ad64447ea044ec850313696fc99412d95"><div class="ttname"><a href="classCTransaction.html#ad64447ea044ec850313696fc99412d95">CTransaction::vin</a></div><div class="ttdeci">const std::vector< CTxIn > vin</div><div class="ttdef"><b>Definition:</b> <a href="transaction_8h_source.html#l00233">transaction.h:233</a></div></div>
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<div class="ttc" id="classCTxMemPool_html"><div class="ttname"><a href="classCTxMemPool.html">CTxMemPool</a></div><div class="ttdef"><b>Definition:</b> <a href="txmempool_8h_source.html#l00357">txmempool.h:357</a></div></div>
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<div class="ttc" id="rbf_8cpp_html_a65695ad9c85ce6b262f53aa40e254fd0"><div class="ttname"><a href="rbf_8cpp.html#a65695ad9c85ce6b262f53aa40e254fd0">SignalsOptInRBF</a></div><div class="ttdeci">bool SignalsOptInRBF(const CTransaction &tx)</div><div class="ttdef"><b>Definition:</b> <a href="rbf_8cpp_source.html#l00007">rbf.cpp:7</a></div></div>
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<div class="ttc" id="classCTransaction_html_a7efd1379de830341417c0bfa23a149aa"><div class="ttname"><a href="classCTransaction.html#a7efd1379de830341417c0bfa23a149aa">CTransaction::GetHash</a></div><div class="ttdeci">const uint256 & GetHash() const</div><div class="ttdef"><b>Definition:</b> <a href="transaction_8h_source.html#l00262">transaction.h:262</a></div></div>
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