You are a constitutional council ranking individual git commits for ownership allocation. Compare these two commits. Decide which contributed more lasting value to the project. Judge substance, not spectacle: - Prefer correct, lasting design and real bugfixes over churn, formatting, renames, or generated noise. - Prefer clarity and necessity over sheer line count. A small precise change can beat a large diffuse one. - Do not favor a side merely because its patch is longer or noisier. - Weight what the change does for the project, not the contributor's name. Return ONLY a JSON object: {"winner": "A" or "B", "ratio": "N:M", "explanation": "..."} The explanation must cite concrete differences in the patches (1-3 sentences). Side A — contributor: tommy-mor Side A — commit message: [bf118bdf] Sanitize Reddit entity body HTML before rendering. Use ammonia at render time so untrusted selftext_html cannot execute scripts in our origin. Co-authored-by: Cursor Side A — unified diff (full patch): diff --git a/Cargo.lock b/Cargo.lock index 3dec7cb72a182dc654a37dca8ba0b49d77504daa..0dd4fce5fb6400ae153cca4e3dbf5a5158e6d8b4 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -11,6 +11,19 @@ dependencies = [ "memchr", ] +[[package]] +name = "ammonia" +version = "4.1.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "17e913097e1a2124b46746c980134e8c954bc17a6a59bb3fde96f088d126dde6" +dependencies = [ + "cssparser", + "html5ever", + "maplit", + "tendril", + "url", +] + [[package]] name = "anyhow" version = "1.0.102" @@ -355,6 +368,29 @@ version = "0.2.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5" +[[package]] +name = "cssparser" +version = "0.35.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4e901edd733a1472f944a45116df3f846f54d37e67e68640ac8bb69689aca2aa" +dependencies = [ + "cssparser-macros", + "dtoa-short", + "itoa", + "phf", + "smallvec", +] + +[[package]] +name = "cssparser-macros" +version = "0.6.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "13b588ba4ac1a99f7f2964d24b3d896ddc6bf847ee3855dbd4366f058cfcd331" +dependencies = [ + "quote", + "syn", +] + [[package]] name = "deranged" version = "0.5.8" @@ -381,6 +417,21 @@ version = "0.15.7" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b" +[[package]] +name = "dtoa" +version = "1.0.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4c3cf4824e2d5f025c7b531afcb2325364084a16806f6d47fbc1f5fbd9960590" + +[[package]] +name = "dtoa-short" +version = "0.3.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cd1511a7b6a56299bd043a9c167a6d2bfb37bf84a6dfceaba651168adfb43c87" +dependencies = [ + "dtoa", +] + [[package]] name = "durable" version = "0.2.0" @@ -482,6 +533,16 @@ dependencies = [ "percent-encoding", ] +[[package]] +name = "futf" +version = "0.1.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "df420e2e84819663797d1ec6544b13c5be84629e7bb00dc960d6917db2987843" +dependencies = [ + "mac", + "new_debug_unreachable", +] + [[package]] name = "futures-channel" version = "0.3.32" @@ -614,6 +675,17 @@ version = "0.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea" +[[package]] +name = "html5ever" +version = "0.35.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "55d958c2f74b664487a2035fe1dadb032c48718a03b63f3ab0b8537db8549ed4" +dependencies = [ + "log", + "markup5ever", + "match_token", +] + [[package]] name = "http" version = "1.4.1" @@ -974,6 +1046,15 @@ version = "0.8.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "92daf443525c4cce67b150400bc2316076100ce0b3686209eb8cf3c31612e6f0" +[[package]] +name = "lock_api" +version = "0.4.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "224399e74b87b5f3557511d98dff8b14089b3dadafcab6bb93eab67d3aace965" +dependencies = [ + "scopeguard", +] + [[package]] name = "log" version = "0.4.30" @@ -990,6 +1071,40 @@ dependencies = [ "libc", ] +[[package]] +name = "mac" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c41e0c4fef86961ac6d6f8a82609f55f31b05e4fce149ac5710e439df7619ba4" + +[[package]] +name = "maplit" +version = "1.0.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d" + +[[package]] +name = "markup5ever" +version = "0.35.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "311fe69c934650f8f19652b3946075f0fc41ad8757dbb68f1ca14e7900ecc1c3" +dependencies = [ + "log", + "tendril", + "web_atoms", +] + +[[package]] +name = "match_token" +version = "0.35.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ac84fd3f360fcc43dc5f5d186f02a94192761a080e8bc58621ad4d12296a58cf" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + [[package]] name = "matchers" version = "0.2.0" @@ -1092,6 +1207,12 @@ dependencies = [ "tempfile", ] +[[package]] +name = "new_debug_unreachable" +version = "1.0.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "650eef8c711430f1a879fdd01d4745a7deea475becfb90269c06775983bbf086" + [[package]] name = "nom" version = "7.1.3" @@ -1175,6 +1296,29 @@ dependencies = [ "vcpkg", ] +[[package]] +name = "parking_lot" +version = "0.12.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "93857453250e3077bd71ff98b6a65ea6621a19bb0f559a85248955ac12c45a1a" +dependencies = [ + "lock_api", + "parking_lot_core", +] + +[[package]] +name = "parking_lot_core" +version = "0.9.12" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1" +dependencies = [ + "cfg-if", + "libc", + "redox_syscall", + "smallvec", + "windows-link", +] + [[package]] name = "peeking_take_while" version = "0.1.2" @@ -1187,6 +1331,58 @@ version = "2.3.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9b4f627cb1b25917193a259e49bdad08f671f8d9708acfd5fe0a8c1455d87220" +[[package]] +name = "phf" +version = "0.11.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1fd6780a80ae0c52cc120a26a1a42c1ae51b247a253e4e06113d23d2c2edd078" +dependencies = [ + "phf_macros", + "phf_shared", +] + +[[package]] +name = "phf_codegen" +version = "0.11.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "aef8048c789fa5e851558d709946d6d79a8ff88c0440c587967f8e94bfb1216a" +dependencies = [ + "phf_generator", + "phf_shared", +] + +[[package]] +name = "phf_generator" +version = "0.11.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3c80231409c20246a13fddb31776fb942c38553c51e871f8cbd687a4cfb5843d" +dependencies = [ + "phf_shared", + "rand 0.8.6", +] + +[[package]] +name = "phf_macros" +version = "0.11.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f84ac04429c13a7ff43785d75ad27569f2951ce0ffd30a3321230db2fc727216" +dependencies = [ + "phf_generator", + "phf_shared", + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "phf_shared" +version = "0.11.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "67eabc2ef2a60eb7faa00097bd1ffdb5bd28e62bf39990626a582201b7a754e5" +dependencies = [ + "siphasher", +] + [[package]] name = "pin-project-lite" version = "0.2.17" @@ -1223,6 +1419,12 @@ dependencies = [ "zerocopy", ] +[[package]] +name = "precomputed-hash" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c" + [[package]] name = "prettyplease" version = "0.2.37" @@ -1379,6 +1581,15 @@ dependencies = [ "rand_core 0.9.5", ] +[[package]] +name = "redox_syscall" +version = "0.5.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ed2bf2547551a7053d6fdfafda3f938979645c44812fbfcda098faae3f1a362d" +dependencies = [ + "bitflags 2.11.1", +] + [[package]] name = "regex" version = "1.12.3" @@ -1563,6 +1774,12 @@ dependencies = [ "windows-sys 0.61.2", ] +[[package]] +name = "scopeguard" +version = "1.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49" + [[package]] name = "security-framework" version = "3.7.0" @@ -1683,6 +1900,12 @@ dependencies = [ "libc", ] +[[package]] +name = "siphasher" +version = "1.0.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8ee5873ec9cce0195efcb7a4e9507a04cd49aec9c83d0389df45b1ef7ba2e649" + [[package]] name = "slab" version = "0.4.12" @@ -1709,6 +1932,7 @@ dependencies = [ name = "sorter2-server" version = "0.0.1" dependencies = [ + "ammonia", "async-stream", "axum", "axum-extra", @@ -1742,6 +1966,31 @@ version = "1.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596" +[[package]] +name = "string_cache" +version = "0.8.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bf776ba3fa74f83bf4b63c3dcbbf82173db2632ed8452cb2d891d33f459de70f" +dependencies = [ + "new_debug_unreachable", + "parking_lot", + "phf_shared", + "precomputed-hash", + "serde", +] + +[[package]] +name = "string_cache_codegen" +version = "0.5.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c711928715f1fe0fe509c53b43e993a9a557babc2d0a3567d0a3006f1ac931a0" +dependencies = [ + "phf_generator", + "phf_shared", + "proc-macro2", + "quote", +] + [[package]] name = "subtle" version = "2.6.1" @@ -1813,6 +2062,17 @@ dependencies = [ "windows-sys 0.61.2", ] +[[package]] +name = "tendril" +version = "0.4.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d24a120c5fc464a3458240ee02c299ebcb9d67b5249c8848b09d639dca8d7bb0" +dependencies = [ + "futf", + "mac", + "utf-8", +] + [[package]] name = "thiserror" version = "1.0.69" @@ -2116,6 +2376,12 @@ version = "2.1.3" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "daf8dba3b7eb870caf1ddeed7bc9d2a049f3cfdfae7cb521b087cc33ae4c49da" +[[package]] +name = "utf-8" +version = "0.7.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9" + [[package]] name = "utf8_iter" version = "1.0.4" @@ -2281,6 +2547,18 @@ dependencies = [ "wasm-bindgen", ] +[[package]] +name = "web_atoms" +version = "0.1.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "57ffde1dc01240bdf9992e3205668b235e59421fd085e8a317ed98da0178d414" +dependencies = [ + "phf", + "phf_codegen", + "string_cache", + "string_cache_codegen", +] + [[package]] name = "windows-link" version = "0.2.1" diff --git a/server/Cargo.toml b/server/Cargo.toml index 47659ff82fbfb50972eb2b87575e80f66e572ba4..27f552c20b97ef28cdde4cb6b1a4980375135111 100644 --- a/server/Cargo.toml +++ b/server/Cargo.toml @@ -13,6 +13,7 @@ serde = { version = "1", features = ["derive"] } serde_json = "1" thiserror = "1" maud = { version = "0.26", features = ["axum"] } +ammonia = "4.1" tower = "0.5" tower-http = { version = "0.5", features = ["trace"] } tracing = "0.1" diff --git a/server/src/fetch/html.rs b/server/src/fetch/html.rs index dadf050515f0473943dad97df5d318032c8cb385..5b160c6b8bd216dfaf80149854aec0566cd00460 100644 --- a/server/src/fetch/html.rs +++ b/server/src/fetch/html.rs @@ -4,6 +4,7 @@ use maud::{html, Markup}; use crate::{ form_template::template_json_compact, + html::sanitize::entity_body_html, path_types::ItemId, reddit::{is_children_fetchable, is_fetchable}, reducer::NodeState, @@ -27,7 +28,7 @@ pub fn entity_panel(node: &NodeState) -> Markup { p class="muted small" { "by " (author) } } @if let Some(body) = &data.body_html { - div class="entity-body" { (maud::PreEscaped(body)) } + div class="entity-body" { (maud::PreEscaped(entity_body_html(body))) } } } } diff --git a/server/src/html/mod.rs b/server/src/html/mod.rs index e180a0ca542a33e2300c0a4809e6b9cfee07ecfe..a58cbbee3490a08a625cb06df06848c59a615d65 100644 --- a/server/src/html/mod.rs +++ b/server/src/html/mod.rs @@ -20,6 +20,7 @@ use crate::{ ui_action::UI_RPC_FIELD, }; +pub mod sanitize; pub mod vote; const SORTER_CSS: &str = include_str!("../../static/sorter.css"); diff --git a/server/src/html/sanitize.rs b/server/src/html/sanitize.rs new file mode 100644 index 0000000000000000000000000000000000000000..6685ed2535281b9fd5d65b042cbc5a11c5d4df37 --- /dev/null +++ b/server/src/html/sanitize.rs @@ -0,0 +1,39 @@ +//! Whitelist sanitization for untrusted HTML fragments (e.g. Reddit `selftext_html`). + +use std::sync::LazyLock; + +use ammonia::Builder; + +static ENTITY_BODY: LazyLock> = LazyLock::new(|| { + let mut b = Builder::default(); + b.strip_comments(true); + b.link_rel(Some("noopener noreferrer")); + b +}); + +/// Sanitize HTML safe for embedding in our pages via [`maud::PreEscaped`]. +pub fn entity_body_html(raw: &str) -> String { + ENTITY_BODY.clean(raw).to_string() +} + +#[cfg(test)] +mod tests { + use super::entity_body_html; + + #[test] + fn keeps_benign_markup() { + assert_eq!( + entity_body_html("

release notes

"), + "

release notes

" + ); + } + + #[test] + fn strips_scripts_and_event_handlers() { + let raw = "

ok

"; + let clean = entity_body_html(raw); + assert!(!clean.contains("ok

")); + } +} diff --git a/server/src/render/reddit.rs b/server/src/render/reddit.rs index c4f98fc760c32ce1b41a91bd41e97908bd198937..7f840aa33b734a31d8cf3341a0581c8bcb9bbcf3 100644 --- a/server/src/render/reddit.rs +++ b/server/src/render/reddit.rs @@ -3,6 +3,7 @@ use maud::{html, Markup}; use crate::{ + html::sanitize::entity_body_html, path_types::ItemId, reducer::{EntityData, GlobalTree, NodeState}, }; @@ -57,7 +58,7 @@ fn post_entity_card(data: &EntityData) -> Markup { } } @if let Some(body) = &data.body_html { - div class="entity-body" { (maud::PreEscaped(body)) } + div class="entity-body" { (maud::PreEscaped(entity_body_html(body))) } } } } Side B — contributor: tommy-mor Side B — commit message: [07715165] nice Side B — unified diff (full patch): diff --git a/server/src/api/ui_html.rs b/server/src/api/ui_html.rs index c3c62a76f424010d77a6090c84dd0b82098f573e..da2536112faea313352624cf2ce0ddd0ab3377c1 100644 --- a/server/src/api/ui_html.rs +++ b/server/src/api/ui_html.rs @@ -6,7 +6,7 @@ use axum::{ use std::collections::HashMap; use crate::{ - html::{demo_counter_panel, js_string_literal, ranking_panel, JsBuilder}, + html::{js_string_literal, ranking_panel, JsBuilder}, parser::parse_reddit_url, parser_render::parser_panel_morph, state::AppState, @@ -35,13 +35,6 @@ pub async fn post_ui_html( }; match action { - HtmlUiAction::BumpDemoCounter => { - let count = state.bump_demo_counter().await; - let panel = demo_counter_panel(count, state.event_log.path().to_string_lossy().as_ref()); - JsBuilder::new() - .morph_selector("#demo-counter-panel", panel) - .into_response() - } HtmlUiAction::RecordVote { a, b, @@ -54,8 +47,8 @@ pub async fn post_ui_html( { return ui_js_warn(&e).into_response(); } - let mut group = state.group.write().await; - let panel = ranking_panel(&mut group); + let group = state.group.read().await; + let panel = ranking_panel(&group); JsBuilder::new() .morph_selector("#ranking-panel", panel) .into_response() @@ -87,20 +80,6 @@ mod tests { assert!(matches!(err, HtmlUiParseError::MissingRpc)); } - #[test] - fn bump_action_deserializes() { - let template = serde_json::json!({ "action": "bump_demo_counter" }); - let mut form = HashMap::new(); - form.insert( - UI_RPC_FIELD.to_string(), - serde_json::to_string(&template).unwrap(), - ); - assert_eq!( - parse_html_ui_from_form(&form).unwrap(), - HtmlUiAction::BumpDemoCounter - ); - } - #[test] fn record_vote_action_deserializes() { let template = serde_json::json!({ diff --git a/server/src/events.rs b/server/src/events.rs index b969242534e184d4f0a689543a479670b08a18df..eff80aef0257f706d2341f666e63d6a3d921bf6e 100644 --- a/server/src/events.rs +++ b/server/src/events.rs @@ -5,8 +5,6 @@ use serde::{Deserialize, Serialize}; pub enum Event { /// Page view recorded (path → counter in views.json). ViewRecorded { path: String, ts: i64 }, - /// Demo counter bump from `POST /ui` (persisted in the single JSONL log). - DemoCounterBumped { ts: i64, value: u64 }, /// Pairwise comparison vote (replayed into [`crate::reducer::GroupState`] on boot). VoteRecorded { ts: i64, diff --git a/server/src/html/mod.rs b/server/src/html/mod.rs index 5b1d0b5a887d89e7e80796aa7a6c8ed5baaf2782..d69ed962b5c8625bc83c933b1825f2cc1d0868e2 100644 --- a/server/src/html/mod.rs +++ b/server/src/html/mod.rs @@ -13,7 +13,7 @@ use crate::{ form_template::template_json_compact, parser_action::ParserAction, parser_render::parser_panel, - ranking::ranked_items, + ranking::ranked_items_cached, reducer::GroupState, state::AppState, ui_action::UI_RPC_FIELD, @@ -199,10 +199,8 @@ fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str) } } -pub fn ranking_panel(group: &mut GroupState) -> Markup { - const MAX_ITERS: usize = 10_000; - const TOL: f64 = 1e-8; - let items = ranked_items(group, MAX_ITERS, TOL); +pub fn ranking_panel(group: &GroupState) -> Markup { + let items = ranked_items_cached(group); html! { section id="ranking-panel" class="demo-panel" { h2 { "Ranking" } @@ -260,35 +258,6 @@ pub fn vote_panel() -> Markup { } -pub fn demo_counter_panel(count: u64, event_log_path: &str) -> Markup { - let rpc = template_json_compact(&serde_json::json!({ "action": "bump_demo_counter" })) - .expect("rpc json"); - html! { - section id="demo-counter-panel" class="demo-panel" { - h1 { "sorter2" } - p class="muted" { - "Pairwise ranking scaffold — votes persist to JSONL and replay on boot." - } - p class="demo-count" { - strong { "Counter: " } - span id="demo-count-value" { (count) } - } - p class="muted small" { - "Event log: " code { (event_log_path) } - } - form method="post" action="/ui" id="demo-bump-form" { - input type="hidden" name=(UI_RPC_FIELD) value=(rpc); - button type="submit" class="btn-primary" { "Bump (POST /ui → eval JS)" } - } - p class="muted small" { - "Uses hidden " - code { "__rpc__" } - " JSON + Idiomorph morph — no full page reload." - } - } - } -} - pub async fn home( State(state): State, jar: CookieJar, @@ -297,16 +266,15 @@ pub async fn home( let path = uri.path().to_string(); state.views.increment(path.clone()); let views = state.views.get_views(&path); - let count = *state.demo_counter.read().await; let theme = theme_from_jar(&jar); let theme_next = theme_next_from_uri(&uri); - let mut group = state.group.write().await; + let group = state.group.read().await; let empty_action = ParserAction::suggest(String::new(), None); let body = html! { + h1 { "sorter2" } (parser_panel("", &empty_action)) (vote_panel()) - (ranking_panel(&mut group)) - (demo_counter_panel(count, state.event_log.path().to_string_lossy().as_ref())) + (ranking_panel(&group)) }; layout("sorter2", body, views, theme, &theme_next) } diff --git a/server/src/lib.rs b/server/src/lib.rs index 6716c5b282e7980a7a0f03d63ad8b25eda61cc55..fa423640d598f4ba97a5885d228e78d7b97f7a22 100644 --- a/server/src/lib.rs +++ b/server/src/lib.rs @@ -9,6 +9,7 @@ pub mod parser_render; pub mod path_types; pub mod ranking; pub mod reducer; +pub mod settlement; pub mod state; pub mod ui_action; pub mod views; diff --git a/server/src/ranking.rs b/server/src/ranking.rs index 89d3280126a8d8f841721ce8cb63ff735d68752a..2d706762792ba9239bb3f1c2e4974a2fde908013 100644 --- a/server/src/ranking.rs +++ b/server/src/ranking.rs @@ -91,6 +91,11 @@ pub fn compute_group_ranking(group: &mut GroupState, max_iters: usize, tol: f64) pub fn ranked_items(group: &mut GroupState, max_iters: usize, tol: f64) -> Vec { compute_group_ranking(group, max_iters, tol); + ranked_items_cached(group) +} + +/// Read cached scores without recomputing (HTTP fast path). +pub fn ranked_items_cached(group: &GroupState) -> Vec { let mut items: Vec = group .idx_to_item .iter() @@ -105,7 +110,12 @@ pub fn ranked_items(group: &mut GroupState, max_iters: usize, tol: f64) -> Vec, max_iters: usize, tol: f64) -> Vec { +pub fn compute_scores_from_edges( + n: usize, + edges: impl Iterator, + max_iters: usize, + tol: f64, +) -> Vec { if n == 0 { return vec![]; } diff --git a/server/src/settlement.rs b/server/src/settlement.rs new file mode 100644 index 0000000000000000000000000000000000000000..1f722ceaea62cda22c28ab71551f259fbf049b81 --- /dev/null +++ b/server/src/settlement.rs @@ -0,0 +1,114 @@ +use std::sync::Arc; + +use tokio::sync::{mpsc, oneshot, RwLock}; + +use crate::{ + event_log::EventLog, + events::Event, + ranking::compute_scores_from_edges, + reducer::{GroupState, VoteData}, +}; + +const MAX_ITERS: usize = 10_000; +const TOL: f64 = 1e-8; + +pub struct SettlementCommand { + pub vote: VoteData, + pub event: Event, + pub reply: oneshot::Sender>, +} + +#[derive(Clone)] +pub struct SettlementClient { + tx: mpsc::Sender, +} + +impl SettlementClient { + pub fn spawn(group: Arc>, event_log: Arc) -> Self { + let (tx, rx) = mpsc::channel(64); + tokio::spawn(settlement_worker(rx, group, event_log)); + Self { tx } + } + + pub async fn record_vote(&self, vote: VoteData, event: Event) -> Result<(), String> { + let (reply, rx) = oneshot::channel(); + self.tx + .send(SettlementCommand { + vote, + event, + reply, + }) + .await + .map_err(|_| "settlement worker stopped".to_string())?; + rx.await + .map_err(|_| "settlement worker stopped".to_string())? + } +} + +async fn settlement_worker( + mut rx: mpsc::Receiver, + group: Arc>, + event_log: Arc, +) { + while let Some(first) = rx.recv().await { + let mut batch = vec![first]; + while let Ok(more) = rx.try_recv() { + batch.push(more); + } + + let mut disk_err: Option = None; + for cmd in &batch { + if let Err(e) = event_log.append(&cmd.event).await { + disk_err = Some(e.to_string()); + break; + } + } + + if let Some(err) = disk_err { + for cmd in batch { + let _ = cmd.reply.send(Err(err.clone())); + } + continue; + } + + let (edges, n) = { + let mut w = group.write().await; + for cmd in &batch { + w.apply_vote(cmd.vote.clone()); + } + (w.edges.clone(), w.idx_to_item.len()) + }; + + let new_scores = compute_scores_from_edges( + n, + edges.iter().map(|(&k, &v)| (k, v)), + MAX_ITERS, + TOL, + ); + + { + let mut w = group.write().await; + w.cached_scores = new_scores; + w.dirty = false; + } + + for cmd in batch { + let _ = cmd.reply.send(Ok(())); + } + } +} + +/// Compute ranking cache from current in-memory edges (startup replay only). +pub fn warm_ranking_cache(group: &mut GroupState) { + if !group.dirty { + return; + } + let n = group.idx_to_item.len(); + group.cached_scores = compute_scores_from_edges( + n, + group.edges.iter().map(|(&k, &v)| (k, v)), + MAX_ITERS, + TOL, + ); + group.dirty = false; +} diff --git a/server/src/state.rs b/server/src/state.rs index 8ec9902e2ecc31cf8208f7ad6365891dc5537eed..1922541a4064c2de1df2d993a461cae783320e05 100644 --- a/server/src/state.rs +++ b/server/src/state.rs @@ -6,6 +6,7 @@ use crate::{ event_log::EventLog, events::Event, reducer::{GroupState, VoteData}, + settlement::{warm_ranking_cache, SettlementClient}, views::ViewStore, }; @@ -38,8 +39,8 @@ pub struct AppState { pub cfg: Arc, pub event_log: Arc, pub views: ViewStore, - pub demo_counter: Arc>, pub group: Arc>, + settlement: SettlementClient, } impl AppState { @@ -48,14 +49,10 @@ impl AppState { let views_path = format!("{}/views.json", cfg.data_dir); let views = ViewStore::new(&views_path); - let mut demo_counter: u64 = 0; let mut group = GroupState::new(); if let Ok((events, _)) = event_log.load_all().await { for ev in events { match ev { - Event::DemoCounterBumped { value, .. } => { - demo_counter = demo_counter.max(value); - } Event::VoteRecorded { ts, a, @@ -74,30 +71,20 @@ impl AppState { } } + warm_ranking_cache(&mut group); + + let group = Arc::new(RwLock::new(group)); + let settlement = SettlementClient::spawn(group.clone(), event_log.clone()); + Self { cfg: Arc::new(cfg), event_log, views, - demo_counter: Arc::new(RwLock::new(demo_counter)), - group: Arc::new(RwLock::new(group)), + group, + settlement, } } - pub async fn bump_demo_counter(&self) -> u64 { - let mut guard = self.demo_counter.write().await; - *guard += 1; - let value = *guard; - drop(guard); - - let ts = crate::html::now_ms(); - let _ = self - .event_log - .append(&Event::DemoCounterBumped { ts, value }) - .await; - - value - } - pub async fn record_vote( &self, a: &str, @@ -109,23 +96,14 @@ impl AppState { let vote = VoteData::from_recorded(ts, a, b, ratio_left, ratio_right) .ok_or_else(|| "invalid vote: need two distinct non-empty items".to_string())?; - { - let mut group = self.group.write().await; - group.apply_vote(vote.clone()); - } - - let _ = self - .event_log - .append(&Event::VoteRecorded { - ts, - a: vote.a.as_str().to_string(), - b: vote.b.as_str().to_string(), - ratio_left: vote.ratio_left, - ratio_right: vote.ratio_right, - }) - .await - .map_err(|e| e.to_string())?; + let event = Event::VoteRecorded { + ts, + a: vote.a.as_str().to_string(), + b: vote.b.as_str().to_string(), + ratio_left: vote.ratio_left, + ratio_right: vote.ratio_right, + }; - Ok(()) + self.settlement.record_vote(vote, event).await } } diff --git a/server/src/ui_action.rs b/server/src/ui_action.rs index 1d488e1ad1d8fd81bd9d016d69255adfe9b22fc8..5d94c84113607b3bcd8d31d03ef5b8e1b87b67a7 100644 --- a/server/src/ui_action.rs +++ b/server/src/ui_action.rs @@ -12,8 +12,6 @@ pub const UI_RPC_FIELD: &str = "__rpc__"; #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)] #[serde(tag = "action", rename_all = "snake_case")] pub enum HtmlUiAction { - /// Demo: morph `#demo-counter-panel` after bumping the persisted counter. - BumpDemoCounter, /// Record a pairwise vote and morph `#ranking-panel`. RecordVote { a: String, @@ -52,18 +50,6 @@ pub fn parse_html_ui_from_form( mod tests { use super::*; - #[test] - fn bump_demo_counter_round_trip() { - let template = serde_json::json!({ "action": "bump_demo_counter" }); - let mut form = HashMap::new(); - form.insert( - UI_RPC_FIELD.to_string(), - serde_json::to_string(&template).unwrap(), - ); - let a = parse_html_ui_from_form(&form).unwrap(); - assert_eq!(a, HtmlUiAction::BumpDemoCounter); - } - #[test] fn record_vote_round_trip_with_form_holes() { let template = serde_json::json!({ diff --git a/server/tests/integration_health.rs b/server/tests/integration_health.rs index 8a58bc14aac68c779e7ce4ffa57d27b3220e9953..1d816e008b9bf629967e3b3c786c41afefc284e3 100644 --- a/server/tests/integration_health.rs +++ b/server/tests/integration_health.rs @@ -38,7 +38,7 @@ async fn healthz_ok() { } #[tokio::test] -async fn home_has_demo_panel() { +async fn home_has_main_panels() { let (addr, _tmp) = start_test_server().await; let client = reqwest::Client::new(); let html = client diff --git a/server/tests/integration_ui.rs b/server/tests/integration_ui.rs index bee79407dec120699a083f1a75adf9291e207fc7..7ede46d681fefbe25b1d98fc33520a185515eb1c 100644 --- a/server/tests/integration_ui.rs +++ b/server/tests/integration_ui.rs @@ -25,33 +25,6 @@ async fn start_test_server() -> (SocketAddr, TempDir) { (addr, tmp) } -#[tokio::test] -async fn post_ui_bump_returns_javascript_morph() { - let (addr, tmp) = start_test_server().await; - let rpc = serde_json::json!({ "action": "bump_demo_counter" }).to_string(); - let mut form = HashMap::new(); - form.insert(UI_RPC_FIELD.to_string(), rpc); - - let client = reqwest::Client::new(); - let body = client - .post(format!("http://{addr}/ui")) - .form(&form) - .send() - .await - .unwrap() - .text() - .await - .unwrap(); - - assert!(body.contains("Idiomorph.morph")); - assert!(body.contains("demo-counter-panel")); - assert!(body.contains("Counter:")); - - let log_path = tmp.path().join("events.jsonl"); - let log = std::fs::read_to_string(log_path).unwrap(); - assert!(log.contains("demo_counter_bumped")); -} - #[tokio::test] async fn post_ui_record_vote_morphs_ranking_and_persists() { let (addr, tmp) = start_test_server().await; @@ -90,8 +63,8 @@ async fn post_ui_record_vote_morphs_ranking_and_persists() { port: 0, }; let state = create_app_state(cfg).await; - let mut group = state.group.write().await; - let ranked = sorter2_server::ranking::ranked_items(&mut group, 10_000, 1e-8); + let group = state.group.read().await; + let ranked = sorter2_server::ranking::ranked_items_cached(&group); assert_eq!(ranked.len(), 2); assert_eq!(ranked[0].item.as_str(), "alpha"); } diff --git a/test/smoke.clj b/test/smoke.clj index b332324743b58baf3fe96d7477353749f137feae..11887c48282088e140d823a88ba616f6325835b3 100644 --- a/test/smoke.clj +++ b/test/smoke.clj @@ -26,7 +26,7 @@ false)))))) (deftest http-smoke-against-running-server - (testing "build, start, healthz, home contains RPC demo" + (testing "build, start, healthz, home contains main panels" (let [root (repo-root) data-dir (.getAbsolutePath (doto (io/file (System/getProperty "java.io.tmpdir") (str "sorter2-smoke-" (System/currentTimeMillis)))