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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="Trait representing a strategy for verifying Halo 2 proofs."><meta name="keywords" content="rust, rustlang, rust-lang, VerificationStrategy"><title>VerificationStrategy in halo2_proofs::plonk - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-1f7d512b176f0f72.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Bold-124a1ca42af929b6.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-cd23e1e4557aa9dd.css" id="mainThemeStyle"><link rel="stylesheet" id="themeStyle" href="../../static.files/light-a21928845c7a186a.css"><link rel="stylesheet" disabled href="../../static.files/dark-90fc67ff25a42f29.css"><link rel="stylesheet" disabled href="../../static.files/ayu-d75a8bbde915b8ed.css"><script id="default-settings" ></script><script src="../../static.files/storage-d43fa987303ecbbb.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-458bffc4c06ccf37.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-13285aec31fa243e.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.min.css" integrity="sha384-9eLZqc9ds8eNjO3TmqPeYcDj8n+Qfa4nuSiGYa6DjLNcv9BtN69ZIulL9+8CqC9Y" crossorigin="anonymous">
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</head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../halo2_proofs/index.html"><div class="logo-container"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../halo2_proofs/index.html"><div class="logo-container"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></div></a><h2 class="location"><a href="#">VerificationStrategy</a></h2><div class="sidebar-elems"><section><h3><a href="#required-associated-types">Required Associated Types</a></h3><ul class="block"><li><a href="#associatedtype.Output">Output</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.process">process</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><h2><a href="index.html">In halo2_proofs::plonk</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-5ec35bf9ca753509.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Trait <a href="../index.html">halo2_proofs</a>::<wbr><a href="index.html">plonk</a>::<wbr><a class="trait" href="#">VerificationStrategy</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../../src/halo2_proofs/plonk/verifier.rs.html#22-32">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><div class="item-decl"><pre class="rust trait"><code>pub trait VerificationStrategy&lt;'params, C:&nbsp;<a class="trait" href="../arithmetic/trait.CurveAffine.html" title="trait halo2_proofs::arithmetic::CurveAffine">CurveAffine</a>&gt; {
type <a href="#associatedtype.Output" class="associatedtype">Output</a>;
fn <a href="#tymethod.process" class="fnname">process</a>&lt;E:&nbsp;<a class="trait" href="../transcript/trait.EncodedChallenge.html" title="trait halo2_proofs::transcript::EncodedChallenge">EncodedChallenge</a>&lt;C&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;f: impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="struct" href="../poly/commitment/struct.MSM.html" title="struct halo2_proofs::poly::commitment::MSM">MSM</a>&lt;'params, C&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="struct" href="../poly/commitment/struct.Guard.html" title="struct halo2_proofs::poly::commitment::Guard">Guard</a>&lt;'params, C, E&gt;, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Self::<a class="associatedtype" href="trait.VerificationStrategy.html#associatedtype.Output" title="type halo2_proofs::plonk::VerificationStrategy::Output">Output</a>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>&gt;;
}</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Trait representing a strategy for verifying Halo 2 proofs.</p>
</div></details><h2 id="required-associated-types" class="small-section-header">Required Associated Types<a href="#required-associated-types" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle method-toggle" open><summary><section id="associatedtype.Output" class="method has-srclink"><a class="srclink rightside" href="../../src/halo2_proofs/plonk/verifier.rs.html#24">source</a><h4 class="code-header">type <a href="#associatedtype.Output" class="associatedtype">Output</a></h4></section></summary><div class="docblock"><p>The output type of this verification strategy after processing a proof.</p>
</div></details></div><h2 id="required-methods" class="small-section-header">Required Methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle method-toggle" open><summary><section id="tymethod.process" class="method has-srclink"><a class="srclink rightside" href="../../src/halo2_proofs/plonk/verifier.rs.html#28-31">source</a><h4 class="code-header">fn <a href="#tymethod.process" class="fnname">process</a>&lt;E:&nbsp;<a class="trait" href="../transcript/trait.EncodedChallenge.html" title="trait halo2_proofs::transcript::EncodedChallenge">EncodedChallenge</a>&lt;C&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;self,<br>&nbsp;&nbsp;&nbsp;&nbsp;f: impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="struct" href="../poly/commitment/struct.MSM.html" title="struct halo2_proofs::poly::commitment::MSM">MSM</a>&lt;'params, C&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="struct" href="../poly/commitment/struct.Guard.html" title="struct halo2_proofs::poly::commitment::Guard">Guard</a>&lt;'params, C, E&gt;, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Self::<a class="associatedtype" href="trait.VerificationStrategy.html#associatedtype.Output" title="type halo2_proofs::plonk::VerificationStrategy::Output">Output</a>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>&gt;</h4></section></summary><div class="docblock"><p>Obtains an MSM from the verifier strategy and yields back the strategys
output.</p>
</div></details></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div id="implementors-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-VerificationStrategy%3C%27params%2C%20C%3E-for-SingleVerifier%3C%27params%2C%20C%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/halo2_proofs/plonk/verifier.rs.html#49-64">source</a><a href="#impl-VerificationStrategy%3C%27params%2C%20C%3E-for-SingleVerifier%3C%27params%2C%20C%3E" class="anchor"></a><h3 class="code-header">impl&lt;'params, C:&nbsp;<a class="trait" href="../arithmetic/trait.CurveAffine.html" title="trait halo2_proofs::arithmetic::CurveAffine">CurveAffine</a>&gt; <a class="trait" href="trait.VerificationStrategy.html" title="trait halo2_proofs::plonk::VerificationStrategy">VerificationStrategy</a>&lt;'params, C&gt; for <a class="struct" href="struct.SingleVerifier.html" title="struct halo2_proofs::plonk::SingleVerifier">SingleVerifier</a>&lt;'params, C&gt;</h3></section></summary><div class="impl-items"><section id="associatedtype.Output-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Output-1" class="anchor"></a><h4 class="code-header">type <a href="#associatedtype.Output" class="associatedtype">Output</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a></h4></section></div></details></div><script src="../../implementors/halo2_proofs/plonk/verifier/trait.VerificationStrategy.js" async></script></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="halo2_proofs" data-themes="" data-resource-suffix="" data-rustdoc-version="1.67.0-nightly (70f8737b2 2022-11-23)" data-search-js="search-df80cc3cb87b6482.js" data-settings-js="settings-7e1cf5cc683233f7.js" data-settings-css="settings-af96d9e2fc13e081.css" ></div></body></html>