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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `MemoryPool` struct in crate `miner`."><meta name="keywords" content="rust, rustlang, rust-lang, MemoryPool"><title>miner::MemoryPool - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><p class='location'>Struct MemoryPool</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.new">new</a><a href="#method.insert_verified">insert_verified</a><a href="#method.iter">iter</a><a href="#method.remove_by_hash">remove_by_hash</a><a href="#method.check_double_spend">check_double_spend</a><a href="#method.remove_by_prevout">remove_by_prevout</a><a href="#method.read_by_hash">read_by_hash</a><a href="#method.read_with_strategy">read_with_strategy</a><a href="#method.read_n_with_strategy">read_n_with_strategy</a><a href="#method.remove_with_strategy">remove_with_strategy</a><a href="#method.remove_n_with_strategy">remove_n_with_strategy</a><a href="#method.set_virtual_fee">set_virtual_fee</a><a href="#method.get">get</a><a href="#method.contains">contains</a><a href="#method.information">information</a><a href="#method.get_transactions_ids">get_transactions_ids</a><a href="#method.is_spent">is_spent</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-Default">Default</a><a href="#impl-TransactionProvider">TransactionProvider</a><a href="#impl-TransactionOutputProvider">TransactionOutputProvider</a><a href="#impl-HeapSizeOf">HeapSizeOf</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-From">From</a><a href="#impl-Into">Into</a><a href="#impl-TryFrom">TryFrom</a><a href="#impl-Borrow">Borrow</a><a href="#impl-TryInto">TryInto</a><a href="#impl-BorrowMut">BorrowMut</a><a href="#impl-Any">Any</a><a href="#impl-Erased">Erased</a></div></div><p class='location'><a href='index.html'>miner</a></p><script>window.sidebarCurrent = {name: 'MemoryPool', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../src/miner/memory_pool.rs.html#44-47' title='goto source code'>[src]</a></span><span class='in-band'>Struct <a href='index.html'>miner</a>::<wbr><a class="struct" href=''>MemoryPool</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust struct'>pub struct MemoryPool { /* fields omitted */ }</pre></div><div class='docblock'><p>Transactions memory pool</p>
</div><h2 id='methods' class='small-section-header'>Methods<a href='#methods' class='anchor'></a></h2><h3 id='impl' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="struct" href="../miner/struct.MemoryPool.html" title="struct miner::MemoryPool">MemoryPool</a></code><a href='#impl' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#645-803' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.new' class="method"><span id='new.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.new' class='fnname'>new</a>() -> Self</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#647-649' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Creates new memory pool</p>
</div><h4 id='method.insert_verified' class="method"><span id='insert_verified.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.insert_verified' class='fnname'>insert_verified</a>(&mut self, t: <a class="struct" href="../chain/indexed_transaction/struct.IndexedTransaction.html" title="struct chain::indexed_transaction::IndexedTransaction">IndexedTransaction</a>)</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#652-662' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Insert verified transaction to the <code>MemoryPool</code></p>
</div><h4 id='method.iter' class="method"><span id='iter.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.iter' class='fnname'>iter</a>(&self, strategy: <a class="enum" href="../miner/enum.MemoryPoolOrderingStrategy.html" title="enum miner::MemoryPoolOrderingStrategy">OrderingStrategy</a>) -> MemoryPoolIterator</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#665-667' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Iterator over memory pool transactions according to specified strategy</p>
</div><h4 id='method.remove_by_hash' class="method"><span id='remove_by_hash.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.remove_by_hash' class='fnname'>remove_by_hash</a>(&mut self, h: &<a class="struct" href="../primitives/hash/struct.H256.html" title="struct primitives::hash::H256">H256</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../chain/transaction/struct.Transaction.html" title="struct chain::transaction::Transaction">Transaction</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#671-673' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Removes single transaction by its hash.
All descedants remain in the pool.</p>
</div><h4 id='method.check_double_spend' class="method"><span id='check_double_spend.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.check_double_spend' class='fnname'>check_double_spend</a>(<br> &self, <br> transaction: &<a class="struct" href="../chain/transaction/struct.Transaction.html" title="struct chain::transaction::Transaction">Transaction</a><br>) -> <a class="enum" href="../miner/enum.DoubleSpendCheckResult.html" title="enum miner::DoubleSpendCheckResult">DoubleSpendCheckResult</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#676-678' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Checks if <code>transaction</code> spends some outputs, already spent by inpool transactions.</p>
</div><h4 id='method.remove_by_prevout' class="method"><span id='remove_by_prevout.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.remove_by_prevout' class='fnname'>remove_by_prevout</a>(<br> &mut self, <br> prevout: &<a class="struct" href="../chain/transaction/struct.OutPoint.html" title="struct chain::transaction::OutPoint">OutPoint</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="struct" href="../chain/indexed_transaction/struct.IndexedTransaction.html" title="struct chain::indexed_transaction::IndexedTransaction">IndexedTransaction</a>>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#681-683' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Removes transaction (and all its descendants) which has spent given output</p>
</div><h4 id='method.read_by_hash' class="method"><span id='read_by_hash.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.read_by_hash' class='fnname'>read_by_hash</a>(&self, h: &<a class="struct" href="../primitives/hash/struct.H256.html" title="struct primitives::hash::H256">H256</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&<a class="struct" href="../chain/transaction/struct.Transaction.html" title="struct chain::transaction::Transaction">Transaction</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#686-688' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Reads single transaction by its hash.</p>
</div><h4 id='method.read_with_strategy' class="method"><span id='read_with_strategy.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.read_with_strategy' class='fnname'>read_with_strategy</a>(&mut self, strategy: <a class="enum" href="../miner/enum.MemoryPoolOrderingStrategy.html" title="enum miner::MemoryPoolOrderingStrategy">OrderingStrategy</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../primitives/hash/struct.H256.html" title="struct primitives::hash::H256">H256</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#692-694' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Reads hash of the 'top' transaction from the <code>MemoryPool</code> using selected strategy.
Ancestors are always returned before descendant transactions.</p>
</div><h4 id='method.read_n_with_strategy' class="method"><span id='read_n_with_strategy.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.read_n_with_strategy' class='fnname'>read_n_with_strategy</a>(<br> &mut self, <br> n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> strategy: <a class="enum" href="../miner/enum.MemoryPoolOrderingStrategy.html" title="enum miner::MemoryPoolOrderingStrategy">OrderingStrategy</a><br>) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="struct" href="../primitives/hash/struct.H256.html" title="struct primitives::hash::H256">H256</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#699-701' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Reads hashes of up to n transactions from the <code>MemoryPool</code>, using selected strategy.
Ancestors are always returned before descendant transactions.
Use this function with care, only if really needed (heavy memory usage)</p>
</div><h4 id='method.remove_with_strategy' class="method"><span id='remove_with_strategy.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.remove_with_strategy' class='fnname'>remove_with_strategy</a>(<br> &mut self, <br> strategy: <a class="enum" href="../miner/enum.MemoryPoolOrderingStrategy.html" title="enum miner::MemoryPoolOrderingStrategy">OrderingStrategy</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../chain/indexed_transaction/struct.IndexedTransaction.html" title="struct chain::indexed_transaction::IndexedTransaction">IndexedTransaction</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#705-707' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Removes the 'top' transaction from the <code>MemoryPool</code> using selected strategy.
Ancestors are always removed before descendant transactions.</p>
</div><h4 id='method.remove_n_with_strategy' class="method"><span id='remove_n_with_strategy.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.remove_n_with_strategy' class='fnname'>remove_n_with_strategy</a>(<br> &mut self, <br> n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> strategy: <a class="enum" href="../miner/enum.MemoryPoolOrderingStrategy.html" title="enum miner::MemoryPoolOrderingStrategy">OrderingStrategy</a><br>) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="struct" href="../chain/indexed_transaction/struct.IndexedTransaction.html" title="struct chain::indexed_transaction::IndexedTransaction">IndexedTransaction</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#711-713' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Removes up to n transactions from the <code>MemoryPool</code>, using selected strategy.
Ancestors are always removed before descendant transactions.</p>
</div><h4 id='method.set_virtual_fee' class="method"><span id='set_virtual_fee.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.set_virtual_fee' class='fnname'>set_virtual_fee</a>(&mut self, h: &<a class="struct" href="../primitives/hash/struct.H256.html" title="struct primitives::hash::H256">H256</a>, virtual_fee: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>)</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#716-718' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Set miner virtual fee for transaction</p>
</div><h4 id='method.get' class="method"><span id='get.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.get' class='fnname'>get</a>(&self, hash: &<a class="struct" href="../primitives/hash/struct.H256.html" title="struct primitives::hash::H256">H256</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&<a class="struct" href="../chain/transaction/struct.Transaction.html" title="struct chain::transaction::Transaction">Transaction</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#721-723' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Get transaction by hash</p>
</div><h4 id='method.contains' class="method"><span id='contains.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.contains' class='fnname'>contains</a>(&self, hash: &<a class="struct" href="../primitives/hash/struct.H256.html" title="struct primitives::hash::H256">H256</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#726-728' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Checks if transaction is in the mempool</p>
</div><h4 id='method.information' class="method"><span id='information.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.information' class='fnname'>information</a>(&self) -> <a class="struct" href="../miner/struct.MemoryPoolInformation.html" title="struct miner::MemoryPoolInformation">Information</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#732-737' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns information on <code>MemoryPool</code> (as in GetMemPoolInfo RPC)
https://bitcoin.org/en/developer-reference#getmempoolinfo</p>
</div><h4 id='method.get_transactions_ids' class="method"><span id='get_transactions_ids.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.get_transactions_ids' class='fnname'>get_transactions_ids</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="struct" href="../primitives/hash/struct.H256.html" title="struct primitives::hash::H256">H256</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#741-743' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns TXIDs of all transactions in <code>MemoryPool</code> (as in GetRawMemPool RPC)
https://bitcoin.org/en/developer-reference#getrawmempool</p>
</div><h4 id='method.is_spent' class="method"><span id='is_spent.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.is_spent' class='fnname'>is_spent</a>(&self, prevout: &<a class="struct" href="../chain/transaction/struct.OutPoint.html" title="struct chain::transaction::OutPoint">OutPoint</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#746-748' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns true if output was spent</p>
</div></div><h2 id='implementations' class='small-section-header'>Trait Implementations<a href='#implementations' class='anchor'></a></h2><div id='implementations-list'><h3 id='impl-Debug' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../miner/struct.MemoryPool.html" title="struct miner::MemoryPool">MemoryPool</a></code><a href='#impl-Debug' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#43' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#43' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id='impl-Default' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="../miner/struct.MemoryPool.html" title="struct miner::MemoryPool">MemoryPool</a></code><a href='#impl-Default' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#637-643' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.default' class="method"><span id='default.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default' class='fnname'>default</a>() -> Self</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#638-642' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns the "default value" for a type. <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default">Read more</a></p>
</div></div><h3 id='impl-TransactionProvider' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl TransactionProvider for <a class="struct" href="../miner/struct.MemoryPool.html" title="struct miner::MemoryPool">MemoryPool</a></code><a href='#impl-TransactionProvider' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#805-813' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.transaction_bytes' class="method"><span id='transaction_bytes.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.transaction_bytes' class='fnname'>transaction_bytes</a>(&self, hash: &<a class="struct" href="../primitives/hash/struct.H256.html" title="struct primitives::hash::H256">H256</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../primitives/bytes/struct.Bytes.html" title="struct primitives::bytes::Bytes">Bytes</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#806-808' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Resolves transaction body bytes by transaction hash.</p>
</div><h4 id='method.transaction' class="method"><span id='transaction.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.transaction' class='fnname'>transaction</a>(&self, hash: &<a class="struct" href="../primitives/hash/struct.H256.html" title="struct primitives::hash::H256">H256</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../chain/transaction/struct.Transaction.html" title="struct chain::transaction::Transaction">Transaction</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#810-812' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Resolves serialized transaction info by transaction hash.</p>
</div><h4 id='method.contains_transaction' class="method"><span id='contains_transaction.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.contains_transaction' class='fnname'>contains_transaction</a>(&self, hash: &<a class="struct" href="../primitives/hash/struct.H256.html" title="struct primitives::hash::H256">H256</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></td><td></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns true if store contains given transaction.</p>
</div></div><h3 id='impl-TransactionOutputProvider' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl TransactionOutputProvider for <a class="struct" href="../miner/struct.MemoryPool.html" title="struct miner::MemoryPool">MemoryPool</a></code><a href='#impl-TransactionOutputProvider' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#815-825' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.transaction_output' class="method"><span id='transaction_output.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.transaction_output' class='fnname'>transaction_output</a>(<br> &self, <br> prevout: &<a class="struct" href="../chain/transaction/struct.OutPoint.html" title="struct chain::transaction::OutPoint">OutPoint</a>, <br> _transaction_index: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../chain/transaction/struct.TransactionOutput.html" title="struct chain::transaction::TransactionOutput">TransactionOutput</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#816-820' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns transaction output.</p>
</div><h4 id='method.is_spent-1' class="method"><span id='is_spent.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.is_spent' class='fnname'>is_spent</a>(&self, outpoint: &<a class="struct" href="../chain/transaction/struct.OutPoint.html" title="struct chain::transaction::OutPoint">OutPoint</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#822-824' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns true if we know that output is double spent.</p>
</div></div><h3 id='impl-HeapSizeOf' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl HeapSizeOf for <a class="struct" href="../miner/struct.MemoryPool.html" title="struct miner::MemoryPool">MemoryPool</a></code><a href='#impl-HeapSizeOf' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#827-831' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.heap_size_of_children' class="method"><span id='heap_size_of_children.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.heap_size_of_children' class='fnname'>heap_size_of_children</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/miner/memory_pool.rs.html#828-830' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Measure the size of any heap-allocated structures that hang off this value, but not the space taken up by the value itself (i.e. what size_of:: measures, more or less); that space is handled by the implementation of HeapSizeOf for Box below. <a href="#tymethod.heap_size_of_children">Read more</a></p>
</div></div></div><h2 id='synthetic-implementations' class='small-section-header'>Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a></h2><div id='synthetic-implementations-list'><h3 id='impl-Send' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../miner/struct.MemoryPool.html" title="struct miner::MemoryPool">MemoryPool</a></code><a href='#impl-Send' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../miner/struct.MemoryPool.html" title="struct miner::MemoryPool">MemoryPool</a></code><a href='#impl-Sync' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div></div><h2 id='blanket-implementations' class='small-section-header'>Blanket Implementations<a href='#blanket-implementations' class='anchor'></a></h2><div id='blanket-implementations-list'><h3 id='impl-From' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a> for T</code><a href='#impl-From' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#462-464' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.from' class="method"><span id='from.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(t: T) -> T</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Performs the conversion.</p>
</div></div><h3 id='impl-Into' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></code><a href='#impl-Into' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#453-458' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.into' class="method"><span id='into.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into' class='fnname'>into</a>(self) -> U</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#455-457' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Performs the conversion.</p>
</div></div><h3 id='impl-TryFrom' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a> for T <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><U>, </span></code><a href='#impl-TryFrom' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#481-487' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='associatedtype.Error' class="type"><span id='Error.t' class='invisible'><code>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error' class="type">Error</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.never.html">!</a></code></span></h4>
<div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>try_from</code>)</div></div><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id='method.try_from' class="method"><span id='try_from.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from' class='fnname'>try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#484-486' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>try_from</code>)</div></div><div class='docblock'><p>Performs the conversion.</p>
</div></div><h3 id='impl-Borrow' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Borrow' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219-221' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.borrow' class="method"><span id='borrow.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow' class='fnname'>borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#220' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3 id='impl-TryInto' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><a href='#impl-TryInto' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#469-476' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='associatedtype.Error-1' class="type"><span id='Error.t-1' class='invisible'><code>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error' class="type">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></span></h4>
<div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>try_from</code>)</div></div><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id='method.try_into' class="method"><span id='try_into.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into' class='fnname'>try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#473-475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>try_from</code>)</div></div><div class='docblock'><p>Performs the conversion.</p>
</div></div><h3 id='impl-BorrowMut' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-BorrowMut' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#224-226' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.borrow_mut' class="method"><span id='borrow_mut.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut' class='fnname'>borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#225' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3 id='impl-Any' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Any' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#114-116' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.get_type_id' class="method"><span id='get_type_id.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.get_type_id' class='fnname'>get_type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#115' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='stability'><div class='stab unstable'><details><summary><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>get_type_id</code>)</summary><p>this method will likely be replaced by an associated static</p>
</details></div></div><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.get_type_id">Read more</a></p>
</div></div><h3 id='impl-Erased' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<T> Erased for T</code><a href='#impl-Erased' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div></div></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../";window.currentCrate = "miner";</script><script src="../aliases.js"></script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>