diff --git a/.dev/verify_webdata3_abstraction.ts b/.dev/verify_webdata3_abstraction.ts new file mode 100644 index 00000000..e9aa6b76 --- /dev/null +++ b/.dev/verify_webdata3_abstraction.ts @@ -0,0 +1,101 @@ +/** + * Live verification for bloxwap/hyperliquid#82: does the `webData3` WS channel carry the same + * abstraction state as the REST `userAbstraction` info request? + * + * For a sample of active mainnet traders (taken from `recentTrades` — no address list is + * hardcoded), this script reads REST `userAbstraction` and the first `webData3` frame, then + * prints a side-by-side comparison. It answers three questions: + * + * 1. Does the server populate `userState.abstraction` on `webData3` at all? + * 2. Does its value match REST `userAbstraction` for the same account? + * 3. What happens for accounts where REST reports `"default"` — a value the SDK's + * `WebData3Event` type does not model (its union lacks `"default"`)? + * + * A match on all three means the monorepo's `use-live-account-summary.ts` REST backstop is a + * candidate for retirement; a mismatch or an absent field means it stays. + * + * Note: this verifies steady-state equivalence. The issue's second requirement — observing the + * channel across an account abstraction *migration* — is a soak test and cannot be run on demand. + * + * Usage: bun run .dev/verify_webdata3_abstraction.ts + * + * @module + */ + +import { HttpTransport, InfoClient, SubscriptionClient, WebSocketTransport } from "../src/mod.ts"; +import type { WebData3Event } from "../src/api/subscription/_methods/webData3.ts"; + +/** Active traders to sample (bounded by the 15-unique-users per-connection limit). */ +const SAMPLE_SIZE = 12; +/** How long to wait for a user's first webData3 frame before declaring it absent. */ +const FRAME_TIMEOUT_MS = 15_000; + +const http = new HttpTransport(); +const info = new InfoClient({ transport: http }); + +// --- 1. Sample active traders from public market data ------------------------------- +const trades = await info.recentTrades({ coin: "BTC" }); +const users = [...new Set(trades.flatMap((t) => t.users))].slice(0, SAMPLE_SIZE); +console.log(`Sampling ${users.length} active traders from recent BTC trades\n`); + +// --- 2. REST reads ------------------------------------------------------------------- +const rest = new Map(users.map((user) => [user, info.userAbstraction({ user })])); + +// --- 3. First webData3 frame per user ------------------------------------------------- +const ws = new WebSocketTransport(); +await ws.ready(); +const subs = new SubscriptionClient({ transport: ws }); + +interface WsObservation { + frameReceived: boolean; + abstractionPresent: boolean; + abstraction?: string; + agentAddress?: string | null; + cumLedgerPresent?: boolean; +} + +function observe(user: `0x${string}`): Promise { + return new Promise((resolve) => { + const timer = setTimeout(() => resolve({ frameReceived: false, abstractionPresent: false }), FRAME_TIMEOUT_MS); + subs + .webData3({ user }, (event: WebData3Event) => { + clearTimeout(timer); + const state = event.userState; + resolve({ + frameReceived: true, + abstractionPresent: "abstraction" in state, + abstraction: state.abstraction, + agentAddress: state.agentAddress, + cumLedgerPresent: typeof state.cumLedger === "string", + }); + }) + .catch((error) => { + clearTimeout(timer); + console.error(` webData3 subscribe failed for ${user}: ${error}`); + resolve({ frameReceived: false, abstractionPresent: false }); + }); + }); +} + +// --- 4. Side-by-side comparison -------------------------------------------------------- +console.log("address REST userAbstraction WS abstraction match"); +console.log("─".repeat(100)); +let mismatches = 0; +for (const user of users) { + const [restValue, wsObs] = await Promise.all([rest.get(user)!, observe(user)]); + const wsValue = !wsObs.frameReceived ? "(no frame)" : wsObs.abstractionPresent ? wsObs.abstraction : "(field absent)"; + const match = wsObs.frameReceived && wsObs.abstractionPresent && wsObs.abstraction === restValue; + if (!match) mismatches++; + console.log(`${user} ${String(restValue).padEnd(19)} ${String(wsValue).padEnd(15)} ${match ? "yes" : "NO"}`); +} + +await ws.close(); + +console.log(`\n${"─".repeat(100)}`); +if (mismatches === 0) { + console.log("RESULT: webData3.userState.abstraction matched REST userAbstraction for every sampled account."); + console.log("The REST backstop is a retirement candidate (migration soak test still outstanding)."); +} else { + console.log(`RESULT: ${mismatches}/${users.length} accounts diverged — the REST backstop must stay.`); + process.exit(1); +} diff --git a/.dev/verify_webdata3_abstraction_migration.ts b/.dev/verify_webdata3_abstraction_migration.ts new file mode 100644 index 00000000..5aef00b2 --- /dev/null +++ b/.dev/verify_webdata3_abstraction_migration.ts @@ -0,0 +1,104 @@ +/** + * Live migration soak test for the webData3 abstraction lane (bloxwap/hyperliquid#82 follow-up). + * + * The steady-state check (`.dev/verify_webdata3_abstraction.ts`) proved webData3's + * `userState.abstraction` matches REST `userAbstraction` value-for-value, with the field ABSENT + * in the default state. What it could not prove is the migration case: does the channel push the + * NEW model when an account flips abstraction, and how fast? + * + * This script answers it on testnet with a throwaway wallet: + * 1. fresh account → REST says "default", first webData3 frame omits the field; + * 2. `userSetAbstraction("unifiedAccount")` → expect a webData3 frame carrying + * `abstraction: "unifiedAccount"`, and REST agreeing; + * 3. flip back to "disabled" → expect `abstraction: "disabled"` on both. + * + * A pass means the monorepo's REST `userAbstraction` read can be retired outright (no soak + * caveat left): the channel delivers the initial state, steady-state changes, and migrations. + * + * Usage: bun run .dev/verify_webdata3_abstraction_migration.ts + * + * @module + */ + +import { generatePrivateKey, privateKeyToAccount } from "viem/accounts"; +import { ExchangeClient, HttpTransport, InfoClient, SubscriptionClient, WebSocketTransport } from "../src/mod.ts"; +import type { WebData3Event } from "../src/api/subscription/_methods/webData3.ts"; + +const FRAME_TIMEOUT_MS = 30_000; + +const wallet = privateKeyToAccount(generatePrivateKey()); +const user = wallet.address; +console.log(`Throwaway testnet wallet: ${user}\n`); + +const http = new HttpTransport({ isTestnet: true }); +const info = new InfoClient({ transport: http }); +const exchange = new ExchangeClient({ transport: http, wallet }); + +const ws = new WebSocketTransport({ isTestnet: true }); +await ws.ready(); +const subs = new SubscriptionClient({ transport: ws }); + +/** Resolves with the next webData3 frame whose `abstraction` equals `want` ("absent" matches a missing field). */ +function awaitAbstraction(want: string | "absent"): Promise<{ event: WebData3Event; latencyMs: number }> { + return new Promise((resolve, reject) => { + const started = performance.now(); + const timer = setTimeout(() => reject(new Error(`timed out waiting for abstraction=${want}`)), FRAME_TIMEOUT_MS); + subs + .webData3({ user }, (event) => { + const value = "abstraction" in event.userState ? event.userState.abstraction : "absent"; + console.log(` frame: abstraction=${value} (t+${((performance.now() - started) / 1000).toFixed(1)}s)`); + if (value === want) { + clearTimeout(timer); + resolve({ event, latencyMs: performance.now() - started }); + } + }) + .catch(reject); + }); +} + +let failures = 0; +function check(label: string, ok: boolean): void { + console.log(`${ok ? "PASS" : "FAIL"} ${label}`); + if (!ok) failures++; +} + +// --- 1. Fresh account: REST "default", WS field absent -------------------------------- +const initialRest = await info.userAbstraction({ user }); +check(`fresh account: REST userAbstraction = "default" (got "${initialRest}")`, initialRest === "default"); + +const firstFrame = await awaitAbstraction("absent"); +check("fresh account: first webData3 frame omits `abstraction`", true); + +// --- 2. Migrate to unifiedAccount -------------------------------------------------------- +console.log('\nuserSetAbstraction("unifiedAccount")…'); +const flip1 = await exchange.userSetAbstraction({ user, abstraction: "unifiedAccount" }); +check(`action accepted (status "${flip1.status}")`, flip1.status === "ok"); + +const [migrated] = await Promise.all([ + awaitAbstraction("unifiedAccount"), + // REST read after the WS frame lands keeps the comparison honest without racing the action. +]); +check("webData3 pushed the migration (abstraction = unifiedAccount)", true); +console.log(` migration latency (action → WS frame): ${(migrated.latencyMs / 1000).toFixed(2)}s`); + +const restAfterFlip = await info.userAbstraction({ user }); +check(`REST agrees after migration (got "${restAfterFlip}")`, restAfterFlip === "unifiedAccount"); + +// --- 3. Flip back to disabled -------------------------------------------------------------- +console.log('\nuserSetAbstraction("disabled")…'); +const flip2 = await exchange.userSetAbstraction({ user, abstraction: "disabled" }); +check(`action accepted (status "${flip2.status}")`, flip2.status === "ok"); + +await awaitAbstraction("disabled"); +check("webData3 pushed the second migration (abstraction = disabled)", true); + +const restFinal = await info.userAbstraction({ user }); +check(`REST agrees after second migration (got "${restFinal}")`, restFinal === "disabled"); + +await ws.close(); +console.log( + failures === 0 + ? "\nRESULT: webData3 covers initial state, steady state, and migrations." + : `\nRESULT: ${failures} check(s) failed.`, +); +process.exit(failures === 0 ? 0 : 1); diff --git a/README.md b/README.md index 70ac17b4..9ee9af92 100644 --- a/README.md +++ b/README.md @@ -5,7 +5,7 @@
Blazing fast typescript - Hyperliquid SDK + Hyperliquid SDK

@@ -26,7 +26,8 @@ ## Documentation -Browse the [SDK documentation](docs/README.md) for installation, clients, transports, signing, utilities, and guides. +Browse the [SDK documentation](https://bloxwap.gitbook.io/hyperliquid) for installation, clients, transports, signing, +utilities, and guides. ## Installation @@ -55,7 +56,7 @@ yarn add @bloxwap/hyperliquid ``` > React Native needs polyfills for the `fastAssetCtxs` subscription and for versions below 0.86 — see the -> [documentation](https://nktkas.gitbook.io/hyperliquid). +> [documentation](https://bloxwap.gitbook.io/hyperliquid). ## Quick Example @@ -116,6 +117,12 @@ await exchange.updateLeverage({ asset: 0, isCross: true, leverage: 5 }); await exchange.withdraw3({ destination: "0x...", amount: "1" }); ``` +For low-latency bots, prefer +[`createFastLocalWallet`](https://bloxwap.gitbook.io/hyperliquid/docs/signing#fast-local-wallet-wasm-secp256k1) (WASM +secp256k1) and install the optional `hash-wasm` package for ambient keccak acceleration. Trusted callers can also pass +`{ skipValidation: true }` — see the +[low-latency recipe](https://bloxwap.gitbook.io/hyperliquid/docs/signing#low-latency-recipe-bots--hft). + ### Subscribe ```ts @@ -150,4 +157,4 @@ await subs.l2Book({ coin: "ETH" }, (data) => { > store (Bun auto-loads a local `.env`, which is gitignored in this repo). > - For trading bots, prefer a Hyperliquid **agent wallet** (API wallet) over the master account key: an agent key can > trade but cannot withdraw, and it can be revoked without rotating the master key. -> - See [Signing](docs/signing.md) for how wallets, signatures, and nonces work. +> - See [Signing](https://bloxwap.gitbook.io/hyperliquid/docs/signing) for how wallets, signatures, and nonces work. diff --git a/docs/signing.md b/docs/signing.md index a77fa930..409f8332 100644 --- a/docs/signing.md +++ b/docs/signing.md @@ -636,6 +636,36 @@ The acceleration needs no code changes: Unlike `createFastLocalWallet`, the dispatch is ambient: every signing entry point benefits, including wallets you already create today. +## Low-latency recipe (bots / HFT) + +Stack the accelerators when signature latency is on the critical path: + +1. **`createFastLocalWallet`** — halves ECDSA (~55 µs vs ~85 µs). ECDSA is ~90% of a single-order `signL1Action`. +2. **`hash-wasm`** — ambient keccak speedup on every L1 hash and Agent digest (install the optional dep; no code change). +3. **`skipValidation: true`** — skip the valibot parse + key canonicalization on trusted, already-canonical wire input + (~3× less non-ECDSA CPU). See [ExchangeClient](clients.md#skipping-validation-unsafe) for the contract. + +```ts +import { ExchangeClient, HttpTransport } from "@bloxwap/hyperliquid"; +import { createFastLocalWallet } from "@bloxwap/hyperliquid/signing"; + +// npm i tiny-secp256k1 hash-wasm # optional deps; install explicitly if your package manager skips them +const wallet = await createFastLocalWallet("0x..."); +const exchange = new ExchangeClient({ transport: new HttpTransport(), wallet }); + +// Action must already be in canonical wire form (schema key order, normalized decimals, lowercase hex, defaults filled). +await exchange.order( + { + orders: [{ a: 0, b: true, p: "95000", s: "0.01", r: false, t: { limit: { tif: "Gtc" } } }], + grouping: "na", + }, + { skipValidation: true }, +); +``` + +Without step 3 the first two still apply and are safe for any input. Step 3 is an escape hatch: invalid input is no +longer a client-side `ValidationError` — the server rejects it instead. + ## Helpers These functions work with any supported wallet type: diff --git a/package.json b/package.json index 91ed9a1f..810818e6 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "@bloxwap/hyperliquid", - "version": "0.1.3", + "version": "0.1.4", "description": "Blazing fast TypeScript Hyperliquid SDK.", "license": "MIT", "type": "module", diff --git a/src/api/exchange/_methods/_base/_semaphore.ts b/src/api/exchange/_methods/_base/_semaphore.ts index 42ca039d..9d12c59d 100644 --- a/src/api/exchange/_methods/_base/_semaphore.ts +++ b/src/api/exchange/_methods/_base/_semaphore.ts @@ -8,10 +8,24 @@ * * Replaces `@jsr/std__async`'s `Semaphore(1)`, which was only ever used as a * single-permit (and itself FIFO) lock. + * + * Waiters sit in a grow-only array with a head index rather than `Array.shift()`: + * under a contended wallet (hundreds of concurrent orders) each release would + * otherwise copy the remaining queue — O(n) per wake-up, O(n²) for a burst. + * Compaction runs only when the head has walked past half the storage, so the + * amortized cost of enqueue/dequeue stays O(1). */ class Mutex { - private _locked = false; - private _waiters: (() => void)[] = []; + private _locked: boolean; + private _waiters: (() => void)[]; + /** Index of the next waiter to wake; advanced on release, never decremented mid-burst. */ + private _head: number; + + constructor() { + this._locked = false; + this._waiters = []; + this._head = 0; + } /** * Acquires the lock, waiting until it is free. @@ -28,9 +42,25 @@ class Mutex { /** Releases the lock, waking the longest-waiting waiter if any. */ release(): void { - const next = this._waiters.shift(); - if (next) next(); - else this._locked = false; + if (this._head < this._waiters.length) { + const next = this._waiters[this._head]; + // Drop the reference so a long-lived mutex does not pin resolved closures. + this._waiters[this._head++] = undefined as unknown as () => void; + // Compact when half the storage is dead so the array cannot grow without bound + // across many contended bursts on the same key. + if (this._head > 16 && this._head * 2 >= this._waiters.length) { + this._waiters = this._waiters.slice(this._head); + this._head = 0; + } + next(); + } else { + this._locked = false; + // Idle: drop any residual storage so a quiet wallet costs nothing. + if (this._waiters.length > 0) { + this._waiters = []; + this._head = 0; + } + } } } @@ -41,7 +71,7 @@ class Mutex { * @template V Stored value type. */ class RefCountedRegistry { - private _map = new Map(); + private _map: Map; private _factory: () => V; /** @@ -50,6 +80,7 @@ class RefCountedRegistry { * @param factory Factory function used to create a new value when a key is first referenced. */ constructor(factory: () => V) { + this._map = new Map(); this._factory = factory; } diff --git a/src/api/subscription/_methods/activeAssetCtx.ts b/src/api/subscription/_methods/activeAssetCtx.ts index 1a53be45..5e43f6b7 100644 --- a/src/api/subscription/_methods/activeAssetCtx.ts +++ b/src/api/subscription/_methods/activeAssetCtx.ts @@ -80,11 +80,8 @@ export function activeAssetCtx( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail.coin === payload.coin) { - listener(e.detail); - } - }, + // Routing delivers only this coin's frames; no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/activeAssetData.ts b/src/api/subscription/_methods/activeAssetData.ts index 2e451987..bd543530 100644 --- a/src/api/subscription/_methods/activeAssetData.ts +++ b/src/api/subscription/_methods/activeAssetData.ts @@ -78,10 +78,9 @@ export function activeAssetData( return config.transport.subscribe( payload.type, payload, + // Routing keys only by coin; user still needs a local filter (shared coin costs at most one discard). (e) => { - if (e.detail.coin === payload.coin && e.detail.user === payload.user) { - listener(e.detail); - } + if (e.detail.user === payload.user) listener(e.detail); }, options, ); diff --git a/src/api/subscription/_methods/activeSpotAssetCtx.ts b/src/api/subscription/_methods/activeSpotAssetCtx.ts index 2abb97c1..c3b907af 100644 --- a/src/api/subscription/_methods/activeSpotAssetCtx.ts +++ b/src/api/subscription/_methods/activeSpotAssetCtx.ts @@ -80,11 +80,8 @@ export function activeSpotAssetCtx( return config.transport.subscribe( "activeSpotAssetCtx", payload, - (e) => { - if (e.detail.coin === payload.coin) { - listener(e.detail); - } - }, + // Routing delivers only this coin's frames; no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/allDexsClearinghouseState.ts b/src/api/subscription/_methods/allDexsClearinghouseState.ts index 228ebc80..34b1c937 100644 --- a/src/api/subscription/_methods/allDexsClearinghouseState.ts +++ b/src/api/subscription/_methods/allDexsClearinghouseState.ts @@ -92,11 +92,8 @@ export function allDexsClearinghouseState( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail.user === payload.user) { - listener(e.detail); - } - }, + // Routing delivers only this user's frames; no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/bbo.ts b/src/api/subscription/_methods/bbo.ts index 84013613..724d8b1f 100644 --- a/src/api/subscription/_methods/bbo.ts +++ b/src/api/subscription/_methods/bbo.ts @@ -111,11 +111,8 @@ export function bbo( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail.coin === payload.coin) { - listener(e.detail); - } - }, + // Routing delivers only this coin's frames (`bbo\0{coin}`); no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/candle.ts b/src/api/subscription/_methods/candle.ts index 6dcd8f73..f7723b80 100644 --- a/src/api/subscription/_methods/candle.ts +++ b/src/api/subscription/_methods/candle.ts @@ -111,10 +111,9 @@ export function candle( return config.transport.subscribe( payload.type, payload, + // Routing keys only by coin; interval still needs a local filter (two intervals share a route). (e) => { - if (e.detail.s === payload.coin && e.detail.i === payload.interval) { - listener(e.detail); - } + if (e.detail.i === payload.interval) listener(e.detail); }, options, ); diff --git a/src/api/subscription/_methods/clearinghouseState.ts b/src/api/subscription/_methods/clearinghouseState.ts index 190cf8ea..4dc2fdec 100644 --- a/src/api/subscription/_methods/clearinghouseState.ts +++ b/src/api/subscription/_methods/clearinghouseState.ts @@ -92,10 +92,9 @@ export function clearinghouseState( return config.transport.subscribe( payload.type, payload, + // Routing keys only by user; dex still needs a local filter. (e) => { - if (e.detail.user === payload.user && e.detail.dex === payload.dex) { - listener(e.detail); - } + if (e.detail.dex === payload.dex) listener(e.detail); }, options, ); diff --git a/src/api/subscription/_methods/fastAssetCtxs.ts b/src/api/subscription/_methods/fastAssetCtxs.ts index f3f412f0..0544b569 100644 --- a/src/api/subscription/_methods/fastAssetCtxs.ts +++ b/src/api/subscription/_methods/fastAssetCtxs.ts @@ -81,19 +81,44 @@ export function fastAssetCtxs( // The server pushes each update as a base64 + raw DEFLATE (RFC 1951) compressed JSON string (assumed to be valid). // Decompress sequentially so events reach the listener in arrival order. let queue = Promise.resolve(); + /** Frames still waiting on the async queue; the synchronous path may only run at zero. */ + let queued = 0; + const released = (): void => { + queued--; + }; return config.transport.subscribe( payload.type, payload, (e) => { + // Read synchronously: the event is a recycled shell whose `detail` is only valid during this + // call, and the queued continuation runs after later frames have already overwritten it. + const data = e.detail; + + // With a native inflater there is nothing to await, so the frame is delivered in this tick + // and never touches the queue. Guarded on an empty queue: if the stream path ever ran, its + // frames are still pending and jumping them would break arrival order. + if (INFLATE_RAW_SYNC !== undefined && !forceStreamDecompressForTests && queued === 0) { + try { + listener(decompressSync(data)); + } catch (error) { + console.error(DELIVERY_FAILED, error); + } + return; + } + // `deliver` never rejects, so a failing event cannot poison the chain. Chaining a rejected // promise would skip every subsequent `.then` callback, silently dropping all later updates // for the life of the subscription. - queue = queue.then(() => deliver(e.detail, listener)); + queued++; + queue = queue.then(() => deliver(data, listener)).then(released); }, options, ); } +/** Logged when one frame cannot be delivered; the subscription continues with the next. */ +const DELIVERY_FAILED = "fastAssetCtxs: failed to deliver an event, continuing with the next one:"; + /** * Decompresses one frame and hands it to the listener, absorbing any failure. * @@ -108,33 +133,202 @@ async function deliver(data: string, listener: (data: FastAssetCtxsEvent) => voi try { listener(await decompress(data)); } catch (error) { - console.error("fastAssetCtxs: failed to deliver an event, continuing with the next one:", error); + console.error(DELIVERY_FAILED, error); } } +// --- Decompress hot path ---------------------------------------------------- + +/** Reused across frames so UTF-8 decode allocates no decoder state. */ +const TEXT_DECODER = new TextDecoder(); + +/** + * Standard base64 alphabet lookup: index is the char code, value is the 6-bit sextet (or 255 for + * padding / invalid). Built once so decoding never walks a string table per character. + */ +const BASE64_LUT = /* @__PURE__ */ (() => { + const table = new Uint8Array(128).fill(255); + const alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + for (let i = 0; i < alphabet.length; i++) table[alphabet.charCodeAt(i)] = i; + table["=".charCodeAt(0)] = 0; // padding contributes zero bits; length logic drops them + return table; +})(); + +/** + * Grows to the largest decoded base64 body seen and is retained between frames, so steady-state + * base64 decode allocates nothing beyond the inflated output. + */ +let base64Scratch: Uint8Array = new Uint8Array(0); + +/** + * Grows to the largest inflated JSON body seen and is retained between frames, so multi-chunk + * stream merges allocate nothing in steady state. + */ +let inflateScratch: Uint8Array = new Uint8Array(0); + +/** + * Decode a standard base64 string into binary. + * + * Prefers the platform `Buffer` when available (Node, Bun — SIMD-backed and far faster than a + * per-character JS loop). Falls back to a table-driven decoder for environments without `Buffer` + * (e.g. some browser / RN builds), writing into the module-level scratch buffer. + * + * Invalid input throws, matching `atob`: `Buffer.from(..., "base64")` is lenient and would + * otherwise feed garbage into the inflater, which rejects asynchronously and can surface as an + * unhandled rejection on the write side of the stream. + */ +/** + * Bytes a well-formed standard-base64 string of this length decodes to: each 4 characters carry 3 + * bytes, and each trailing `=` drops one. `Buffer`'s decoder silently skips anything outside the + * alphabet, so comparing its output length against this is an O(1) validity check — it catches + * exactly the inputs a full-string alphabet scan would, without walking the string a second time. + */ +function expectedBase64Bytes(data: string): number { + let padding = 0; + if (data.charCodeAt(data.length - 1) === 0x3d) padding++; + if (data.charCodeAt(data.length - 2) === 0x3d) padding++; + return (data.length >> 2) * 3 - padding; +} + +function decodeBase64(data: string): Uint8Array { + // Length must be a non-zero multiple of 4 (standard base64 with padding). + if (data.length === 0 || data.length % 4 !== 0) { + throw new Error("Invalid base64"); + } + + // `Buffer` is a global on Node and Bun; avoid a bare identifier so browser/RN type-check stays clean. + const Buf = (globalThis as { Buffer?: { from(data: string, enc: string): Uint8Array } }).Buffer; + if (Buf !== undefined) { + // Reject non-alphabet input before the lenient Buffer decoder can accept it. + if (!/^[A-Za-z0-9+/]*={0,2}$/.test(data)) { + throw new Error("Invalid base64"); + } + // Own the bytes in a fresh `Uint8Array` so the result is `ArrayBuffer`-backed (not + // `ArrayBufferLike` / SharedArrayBuffer) and is accepted by `DecompressionStream.write` + // without a cast. The copy is dwarfed by inflate; Buffer's base64 decode is still far faster + // than a JS loop. + const buf = Buf.from(data, "base64"); + const out: Uint8Array = new Uint8Array(buf.byteLength); + out.set(buf); + return out; + } + + // Table path (no Buffer): alphabet is validated via the LUT so invalid characters throw here. + // Length without padding: each 4 chars → 3 bytes; trailing `=` reduce the last group. + let padding = 0; + if (data.charCodeAt(data.length - 1) === 0x3d) padding++; + if (data.charCodeAt(data.length - 2) === 0x3d) padding++; + const outLen = (data.length >> 2) * 3 - padding; + if (base64Scratch.length < outLen) base64Scratch = new Uint8Array(outLen); + const out = base64Scratch; + const lut = BASE64_LUT; + + let o = 0; + for (let i = 0; i < data.length; i += 4) { + const a = lut[data.charCodeAt(i)!] ?? 255; + const b = lut[data.charCodeAt(i + 1)!] ?? 255; + const c = lut[data.charCodeAt(i + 2)!] ?? 255; + const d = lut[data.charCodeAt(i + 3)!] ?? 255; + // Codes outside ASCII or outside the alphabet leave 255 in the LUT (and non-ASCII + // `charCodeAt` yields `undefined` → 255 via `??` above). + if (a === 255 || b === 255 || c === 255 || d === 255) throw new Error("Invalid base64"); + const triple = (a << 18) | (b << 12) | (c << 6) | d; + if (o < outLen) out[o++] = (triple >> 16) & 0xff; + if (o < outLen) out[o++] = (triple >> 8) & 0xff; + if (o < outLen) out[o++] = triple & 0xff; + } + // subarray keeps the ArrayBuffer generic parameter. + return out.subarray(0, outLen); +} + +/** + * Native synchronous raw-inflate, when the runtime has one. + * + * `node:zlib` is reachable through `process.getBuiltinModule` on Node >= 22.3 and Bun. Using it + * collapses the whole per-frame stream pipeline — a `DecompressionStream`, a writer, a reader and + * four-plus promises — into one native call, which also removes the cross-task window that made a + * frame's payload observable to a later frame. Browser / RN builds have no `process`, so they keep + * the `DecompressionStream` path below. Resolved once at module load: the answer cannot change. + */ +const INFLATE_RAW_SYNC: ((data: Uint8Array) => Uint8Array) | undefined = /* @__PURE__ */ (() => { + const proc = (globalThis as { process?: { getBuiltinModule?: (id: string) => unknown } }).process; + const zlib = proc?.getBuiltinModule?.("node:zlib") as { inflateRawSync?: (d: Uint8Array) => Uint8Array } | undefined; + return typeof zlib?.inflateRawSync === "function" ? zlib.inflateRawSync.bind(zlib) : undefined; +})(); + +/** + * When `true`, {@linkcode decompress} skips the native sync inflater and uses `DecompressionStream`. + * Package-internal test hook so Bun/Node coverage still exercises the browser stream path. + */ +let forceStreamDecompressForTests = false; + +/** Package-internal: force the `DecompressionStream` path for the next decompress calls. */ +export function _setForceStreamDecompressForTests(force: boolean): void { + forceStreamDecompressForTests = force; +} + +/** + * Native decode of a base64 + raw DEFLATE payload. Only valid when {@linkcode INFLATE_RAW_SYNC} is + * available; callers check that first. + * + * The pooled `Buffer` feeds the inflater directly — it is fully consumed before this returns, so + * the defensive copy `decodeBase64` makes for `DecompressionStream.write`'s typing buys nothing + * here, and the decoded length stands in for that path's full-string alphabet scan. + */ +function decompressSync(data: string): FastAssetCtxsEvent { + const inflate = INFLATE_RAW_SYNC as (data: Uint8Array) => Uint8Array; + const Buf = (globalThis as { Buffer?: { from(data: string, enc: string): Uint8Array } }).Buffer; + if (Buf === undefined) { + // No `Buffer` to decode through: fall back to the table decoder, but keep the sync inflater. + return JSON.parse(TEXT_DECODER.decode(inflate(decodeBase64(data)))); + } + if (data.length === 0 || data.length % 4 !== 0) throw new Error("Invalid base64"); + const pooled = Buf.from(data, "base64"); + if (pooled.byteLength !== expectedBase64Bytes(data)) throw new Error("Invalid base64"); + return JSON.parse(TEXT_DECODER.decode(inflate(pooled))); +} + /** Decode a base64 + raw DEFLATE (RFC 1951) payload into a {@linkcode FastAssetCtxsEvent}. */ async function decompress(data: string): Promise { - const bytes = Uint8Array.from(atob(data), (c) => c.charCodeAt(0)); + // Native path (Node / Bun): one synchronous call, no stream objects, no async hops. The pooled + // `Buffer` feeds the inflater directly — it is fully consumed before this returns, so the + // defensive copy `decodeBase64` makes for `DecompressionStream.write`'s typing buys nothing here, + // and the decoded length stands in for that path's full-string alphabet scan. + if (INFLATE_RAW_SYNC !== undefined && !forceStreamDecompressForTests) return decompressSync(data); + const bytes = decodeBase64(data); const stream = new DecompressionStream("deflate-raw"); const writer = stream.writable.getWriter(); // Do not await write/close before draining: backpressure on multi-chunk output would deadlock. - writer.write(bytes); - writer.close(); + // Absorb write-side rejections so a corrupt payload that fails inflate cannot surface as an + // unhandled rejection after the reader has already thrown into the caller's catch. + const writeSide = writer.write(bytes).then(() => writer.close()); + writeSide.catch(() => {}); const reader = stream.readable.getReader(); - const chunks: Uint8Array[] = []; + // Fast path: the common small update fits in one stream chunk — no merge, no scratch grow. + const first = await reader.read(); + if (first.done) return JSON.parse(TEXT_DECODER.decode(new Uint8Array(0))); + const second = await reader.read(); + if (second.done) { + // Single chunk: decode in place. `first.value` is owned by the stream and is not retained. + return JSON.parse(TEXT_DECODER.decode(first.value)); + } + + // Multi-chunk: merge into the retained scratch, growing only when a frame exceeds the previous max. + let total = first.value.length + second.value.length; + const chunks: Uint8Array[] = [first.value, second.value]; let result = await reader.read(); while (!result.done) { chunks.push(result.value); + total += result.value.length; result = await reader.read(); } - - const merged = new Uint8Array(chunks.reduce((total, chunk) => total + chunk.length, 0)); + if (inflateScratch.length < total) inflateScratch = new Uint8Array(total); let offset = 0; for (const chunk of chunks) { - merged.set(chunk, offset); + inflateScratch.set(chunk, offset); offset += chunk.length; } - return JSON.parse(new TextDecoder().decode(merged)); + return JSON.parse(TEXT_DECODER.decode(inflateScratch.subarray(0, total))); } diff --git a/src/api/subscription/_methods/l2Book.ts b/src/api/subscription/_methods/l2Book.ts index 1f10f73b..96473e17 100644 --- a/src/api/subscription/_methods/l2Book.ts +++ b/src/api/subscription/_methods/l2Book.ts @@ -122,11 +122,8 @@ export function l2Book( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail.coin === payload.coin) { - listener(e.detail); - } - }, + // Routing delivers only this coin's frames (`l2Book\0{coin}`); no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/openOrders.ts b/src/api/subscription/_methods/openOrders.ts index c7e476b3..63324bd9 100644 --- a/src/api/subscription/_methods/openOrders.ts +++ b/src/api/subscription/_methods/openOrders.ts @@ -92,10 +92,9 @@ export function openOrders( return config.transport.subscribe( payload.type, payload, + // Routing keys only by user; dex still needs a local filter. (e) => { - if (e.detail.user === payload.user && e.detail.dex === payload.dex) { - listener(e.detail); - } + if (e.detail.dex === payload.dex) listener(e.detail); }, options, ); diff --git a/src/api/subscription/_methods/spotState.ts b/src/api/subscription/_methods/spotState.ts index eede6d08..382f64c2 100644 --- a/src/api/subscription/_methods/spotState.ts +++ b/src/api/subscription/_methods/spotState.ts @@ -86,11 +86,8 @@ export function spotState( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail.user === payload.user) { - listener(e.detail); - } - }, + // Routing delivers only this user's frames; no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/trades.ts b/src/api/subscription/_methods/trades.ts index 28c7b0ca..05bb2660 100644 --- a/src/api/subscription/_methods/trades.ts +++ b/src/api/subscription/_methods/trades.ts @@ -75,11 +75,8 @@ export function trades( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail[0]?.coin === payload.coin) { - listener(e.detail); - } - }, + // Routing delivers only this coin's frames (`trades\0{coin}`); no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/twapStates.ts b/src/api/subscription/_methods/twapStates.ts index 73de582a..68749fac 100644 --- a/src/api/subscription/_methods/twapStates.ts +++ b/src/api/subscription/_methods/twapStates.ts @@ -97,10 +97,9 @@ export function twapStates( return config.transport.subscribe( payload.type, payload, + // Routing keys only by user; dex still needs a local filter. (e) => { - if (e.detail.user === payload.user && e.detail.dex === payload.dex) { - listener(e.detail); - } + if (e.detail.dex === payload.dex) listener(e.detail); }, options, ); diff --git a/src/api/subscription/_methods/userFills.ts b/src/api/subscription/_methods/userFills.ts index ca564e0d..b4f4d20f 100644 --- a/src/api/subscription/_methods/userFills.ts +++ b/src/api/subscription/_methods/userFills.ts @@ -92,11 +92,8 @@ export function userFills( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail.user === payload.user) { - listener(e.detail); - } - }, + // Routing delivers only this user's frames (case-folded address key); no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/userFundings.ts b/src/api/subscription/_methods/userFundings.ts index 05279d19..702f8e63 100644 --- a/src/api/subscription/_methods/userFundings.ts +++ b/src/api/subscription/_methods/userFundings.ts @@ -107,11 +107,8 @@ export function userFundings( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail.user === payload.user) { - listener(e.detail); - } - }, + // Routing delivers only this user's frames; no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/userHistoricalOrders.ts b/src/api/subscription/_methods/userHistoricalOrders.ts index 9e480567..6b130bb4 100644 --- a/src/api/subscription/_methods/userHistoricalOrders.ts +++ b/src/api/subscription/_methods/userHistoricalOrders.ts @@ -86,11 +86,8 @@ export function userHistoricalOrders( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail.user === payload.user) { - listener(e.detail); - } - }, + // Routing delivers only this user's frames; no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/userNonFundingLedgerUpdates.ts b/src/api/subscription/_methods/userNonFundingLedgerUpdates.ts index e0715b03..c5845a18 100644 --- a/src/api/subscription/_methods/userNonFundingLedgerUpdates.ts +++ b/src/api/subscription/_methods/userNonFundingLedgerUpdates.ts @@ -89,11 +89,8 @@ export function userNonFundingLedgerUpdates( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail.user === payload.user) { - listener(e.detail); - } - }, + // Routing delivers only this user's frames; no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/userTwapHistory.ts b/src/api/subscription/_methods/userTwapHistory.ts index 1491e4e3..4efde32c 100644 --- a/src/api/subscription/_methods/userTwapHistory.ts +++ b/src/api/subscription/_methods/userTwapHistory.ts @@ -86,11 +86,8 @@ export function userTwapHistory( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail.user === payload.user) { - listener(e.detail); - } - }, + // Routing delivers only this user's frames; no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/userTwapSliceFills.ts b/src/api/subscription/_methods/userTwapSliceFills.ts index 34387a0a..7b1b70ba 100644 --- a/src/api/subscription/_methods/userTwapSliceFills.ts +++ b/src/api/subscription/_methods/userTwapSliceFills.ts @@ -86,11 +86,8 @@ export function userTwapSliceFills( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail.user === payload.user) { - listener(e.detail); - } - }, + // Routing delivers only this user's frames; no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/api/subscription/_methods/webData3.ts b/src/api/subscription/_methods/webData3.ts index ffd38e98..af0701b4 100644 --- a/src/api/subscription/_methods/webData3.ts +++ b/src/api/subscription/_methods/webData3.ts @@ -54,7 +54,14 @@ export type WebData3Event = { optOutOfSpotDusting?: true; /** Whether DEX abstraction is enabled. */ dexAbstractionEnabled?: boolean; - /** Abstraction mode for the user account. */ + /** + * Abstraction mode for the user account. + * + * Omitted by the server when the account is in the default state: the REST + * `userAbstraction` request reports `"default"` for exactly the accounts whose + * `webData3` frames lack this field, and matches it value-for-value otherwise + * (verified live against mainnet — `.dev/verify_webdata3_abstraction.ts`). + */ abstraction?: "unifiedAccount" | "portfolioMargin" | "disabled" | "dexAbstraction"; }; /** Array of perpetual DEX states. */ @@ -120,11 +127,8 @@ export function webData3( return config.transport.subscribe( payload.type, payload, - (e) => { - if (e.detail.userState.user === payload.user) { - listener(e.detail); - } - }, + // Routing delivers only this user's frames (`userState.user` key); no post-filter needed. + (e) => listener(e.detail), options, ); } diff --git a/src/signing/_fastDigest.ts b/src/signing/_fastDigest.ts index 452d51c1..2909b7d5 100644 --- a/src/signing/_fastDigest.ts +++ b/src/signing/_fastDigest.ts @@ -70,6 +70,18 @@ export function createL1AgentDigest(actionHash: `0x${string}`, isTestnet: boolea return `0x${bytesToHex(createL1AgentDigestBytes(hexToBytes(actionHash.slice(2)), isTestnet))}`; } +/** + * Reused struct/digest preimage buffers for {@linkcode createL1AgentDigestBytes}. Safe because the + * function is synchronous; {@linkcode AGENT_SCRATCH_BUSY} covers the one way it can still overlap + * with itself (a getter on a caller-supplied array buffer is impossible here — the inputs are + * plain `Uint8Array`s — but a re-entrant call through a mocked `keccak256` is not). + */ +const AGENT_STRUCT = new Uint8Array(32 * 3); +const AGENT_DIGEST = new Uint8Array(2 + 32 + 32); +AGENT_DIGEST[0] = 0x19; +AGENT_DIGEST[1] = 0x01; +let AGENT_SCRATCH_BUSY = false; + /** * Bytes-level variant of {@linkcode createL1AgentDigest}: takes the action hash and returns the * digest as `Uint8Array`, so the L1 signing path passes bytes end-to-end instead of round-tripping @@ -80,18 +92,24 @@ export function createL1AgentDigest(actionHash: `0x${string}`, isTestnet: boolea * @return The 32-byte digest, byte-identical to viem's `hashTypedData`. */ export function createL1AgentDigestBytes(actionHash: Uint8Array, isTestnet: boolean): Uint8Array { - const struct = new Uint8Array(32 * 3); - struct.set(AGENT_TYPEHASH, 0); - struct.set(isTestnet ? SOURCE_HASH_TESTNET : SOURCE_HASH_MAINNET, 32); - struct.set(actionHash, 64); - const structHash = keccak256(struct); - - const digest = new Uint8Array(2 + 32 + 32); - digest[0] = 0x19; - digest[1] = 0x01; - digest.set(L1_DOMAIN_SEPARATOR, 2); - digest.set(structHash, 34); - return keccak256(digest); + const nested = AGENT_SCRATCH_BUSY; + const struct = nested ? new Uint8Array(32 * 3) : AGENT_STRUCT; + const digest = nested ? new Uint8Array(2 + 32 + 32) : AGENT_DIGEST; + AGENT_SCRATCH_BUSY = true; + try { + struct.set(AGENT_TYPEHASH, 0); + struct.set(isTestnet ? SOURCE_HASH_TESTNET : SOURCE_HASH_MAINNET, 32); + struct.set(actionHash, 64); + const structHash = keccak256(struct); + + digest[0] = 0x19; + digest[1] = 0x01; + digest.set(L1_DOMAIN_SEPARATOR, 2); + digest.set(structHash, 34); + return keccak256(digest); + } finally { + AGENT_SCRATCH_BUSY = nested; + } } // --- Multi-sig outer digest -------------------------------------------------- @@ -159,6 +177,17 @@ export function createMultiSigDigest( return `0x${bytesToHex(createMultiSigDigestBytes(hexToBytes(multiSigActionHash.slice(2)), nonce, signatureChainId, isTestnet))}`; } +/** + * Reused struct/digest preimage buffers for {@linkcode createMultiSigDigestBytes}. Same reentrancy + * contract as {@linkcode AGENT_STRUCT}: the function is synchronous, and a nested call gets its own + * buffers so two digests never share storage mid-write. + */ +const MULTI_SIG_STRUCT = new Uint8Array(32 * 4); +const MULTI_SIG_DIGEST = new Uint8Array(2 + 32 + 32); +MULTI_SIG_DIGEST[0] = 0x19; +MULTI_SIG_DIGEST[1] = 0x01; +let MULTI_SIG_SCRATCH_BUSY = false; + /** * Bytes-level variant of {@linkcode createMultiSigDigest}: takes the wrapper hash and returns the * digest as `Uint8Array`, so the multi-sig signing path passes bytes end-to-end instead of @@ -176,22 +205,30 @@ export function createMultiSigDigestBytes( signatureChainId: `0x${string}`, isTestnet: boolean, ): Uint8Array { - const struct = new Uint8Array(32 * 4); - struct.set(SEND_MULTI_SIG_TYPEHASH, 0); - struct.set(isTestnet ? HYPERLIQUID_CHAIN_HASH_TESTNET : HYPERLIQUID_CHAIN_HASH_MAINNET, 32); - struct.set(multiSigActionHash, 64); - // uint64(nonce) zero-padded to a 32-byte word, big-endian - for (let i = 96 + 31, remaining = nonce; remaining > 0; i--, remaining = Math.floor(remaining / 256)) { - struct[i] = remaining % 256; + const nested = MULTI_SIG_SCRATCH_BUSY; + const struct = nested ? new Uint8Array(32 * 4) : MULTI_SIG_STRUCT; + const digest = nested ? new Uint8Array(2 + 32 + 32) : MULTI_SIG_DIGEST; + MULTI_SIG_SCRATCH_BUSY = true; + try { + // Clear the nonce word: a previous call may have left high bytes set for a larger nonce. + struct.fill(0, 96, 128); + struct.set(SEND_MULTI_SIG_TYPEHASH, 0); + struct.set(isTestnet ? HYPERLIQUID_CHAIN_HASH_TESTNET : HYPERLIQUID_CHAIN_HASH_MAINNET, 32); + struct.set(multiSigActionHash, 64); + // uint64(nonce) zero-padded to a 32-byte word, big-endian + for (let i = 96 + 31, remaining = nonce; remaining > 0; i--, remaining = Math.floor(remaining / 256)) { + struct[i] = remaining % 256; + } + const structHash = keccak256(struct); + + digest[0] = 0x19; + digest[1] = 0x01; + // `signatureChainId` is a `0x`-prefixed hex string, so radix 16 is the only correct base here: + // radix 10 would parse it as `0` and silently sign under the wrong EIP-712 domain. + digest.set(multiSigDomainSeparator(parseInt(signatureChainId, 16)), 2); + digest.set(structHash, 34); + return keccak256(digest); + } finally { + MULTI_SIG_SCRATCH_BUSY = nested; } - const structHash = keccak256(struct); - - const digest = new Uint8Array(2 + 32 + 32); - digest[0] = 0x19; - digest[1] = 0x01; - // `signatureChainId` is a `0x`-prefixed hex string, so radix 16 is the only correct base here: - // radix 10 would parse it as `0` and silently sign under the wrong EIP-712 domain. - digest.set(multiSigDomainSeparator(parseInt(signatureChainId, 16)), 2); - digest.set(structHash, 34); - return keccak256(digest); } diff --git a/src/signing/_l1.ts b/src/signing/_l1.ts index dd1bbbb6..1466b134 100644 --- a/src/signing/_l1.ts +++ b/src/signing/_l1.ts @@ -10,6 +10,49 @@ import { keccak256 } from "./_keccak.ts"; import { Adjusted, type L1Value, type MsgpackValue, MsgpackWriter } from "./_msgpack.ts"; import { trimSignature } from "./_multiSig.ts"; +/** + * Scratch for decoding a 20-byte vault/sub-account address into the L1 hash preimage without a + * per-call `hexToBytes` allocation. Safe: {@linkcode createL1ActionHashBytes} is synchronous and + * the bytes are copied into the msgpack buffer before the next call. + */ +const VAULT_ADDR_BYTES = new Uint8Array(20); + +/** Decode one ASCII hex nibble; assumes the caller already validated the address shape. */ +function hexNibble(code: number): number { + // '0'-'9' → 0-9; 'a'-'f' / 'A'-'F' → 10-15 + return code < 58 ? code - 48 : (code | 32) - 87; +} + +/** Whether `code` is an ASCII hex digit. */ +function isHexCode(code: number): boolean { + return (code >= 48 && code <= 57) || (code >= 97 && code <= 102) || (code >= 65 && code <= 70); +} + +/** + * Decode a `0x`-prefixed 20-byte address into {@linkcode VAULT_ADDR_BYTES} and return that scratch. + * + * The shape is checked here rather than trusted from the schema: `createL1ActionHash` is public and + * takes `vaultAddress` straight from the caller, and a `0x${string}` template type constrains + * neither length nor charset at runtime (and constrains nothing at all for JavaScript callers). + * Without this, a malformed address would silently hash to a different action than the caller + * described — and a 32-byte address would hash identically to its 20-byte truncation. The scan is + * 42 character compares against a keccak, so it does not register on the signing path. + */ +function decodeAddressIntoScratch(address: `0x${string}`): Uint8Array { + if (address.length !== 42 || address.charCodeAt(0) !== 48 || (address.charCodeAt(1) | 32) !== 120) { + throw new Error("Invalid vault address: expected a 0x-prefixed 20-byte hex string"); + } + for (let i = 0; i < 20; i++) { + const hiCode = address.charCodeAt(2 + i * 2); + const loCode = address.charCodeAt(3 + i * 2); + if (!isHexCode(hiCode) || !isHexCode(loCode)) { + throw new Error("Invalid vault address: expected a 0x-prefixed 20-byte hex string"); + } + VAULT_ADDR_BYTES[i] = (hexNibble(hiCode) << 4) | hexNibble(loCode); + } + return VAULT_ADDR_BYTES; +} + /** * Input shape of {@linkcode adjust}. Mirrors {@linkcode MsgpackValue}, except that the `Uint8Array` arm is * intersected with a string index signature so `adjust`'s rebuild of exotic objects type-checks @@ -116,7 +159,8 @@ export function createL1ActionHashBytes(args: { if (vaultAddress) { writer.byte(1); - writer.raw(hexToBytes(vaultAddress.slice(2))); + // Inline hex decode into a retained scratch — avoids a 20-byte alloc per vault order. + writer.raw(decodeAddressIntoScratch(vaultAddress)); } else { writer.byte(0); } diff --git a/src/signing/_msgpack.ts b/src/signing/_msgpack.ts index 1ff86a21..42f96661 100644 --- a/src/signing/_msgpack.ts +++ b/src/signing/_msgpack.ts @@ -47,7 +47,11 @@ export type MsgpackValue = * Only meaningful inside L1 action-hash preimages — never place it in a wire payload. */ export class Adjusted { - constructor(/** The adjusted subtree. */ readonly value: MsgpackValue) {} + readonly value: MsgpackValue; + constructor(/** The adjusted subtree. */ value: MsgpackValue) { + // Marker only — the wrapped subtree is already L1-normalized. + this.value = value; + } } /** @@ -89,9 +93,15 @@ const BIGINT_UINT64_MAX = 2n ** 64n; */ export class MsgpackWriter { /** 1 KiB covers a single-order action without a grow; batches double up from there. */ - private buffer: Uint8Array = new Uint8Array(1024); - private dataView: DataView = new DataView(this.buffer.buffer); - private offset = 0; + private buffer: Uint8Array; + private dataView: DataView; + private offset: number; + + constructor() { + this.buffer = new Uint8Array(1024); + this.dataView = new DataView(this.buffer.buffer); + this.offset = 0; + } /** Rewinds to an empty payload, retaining the allocated storage. */ reset(): void { @@ -368,29 +378,50 @@ export class MsgpackWriter { * the UTF-8 length equals `.length` and the bytes are the char codes — so the header can be written before * the body with no `TextEncoder` round trip. Anything else defers to `TextEncoder` rather than hand-rolling * UTF-8, which also keeps lone-surrogate replacement identical to the reference implementation. + * + * The ASCII path is a single pass: header bytes are reserved, the body is written while scanning, and on + * the first non-ASCII code unit the write is rewound and the `TextEncoder` path takes over. A separate + * "is this ASCII?" scan before the write used to walk every character twice on the hot path. */ private string(value: string): void { - let ascii = true; - for (let i = 0; i < value.length; i++) { - if (value.charCodeAt(i) > 0x7f) { - ascii = false; - break; - } + const length = value.length; + if (length >= 4294967296) { + throw new Error("Cannot safely encode string with size larger than 32 bits"); } - - if (!ascii) { - const bytes = TEXT_ENCODER.encode(value); - this.stringHeader(bytes.length); - this.raw(bytes); - return; + // Header sizes match {@linkcode stringHeader}: fixstr / str8 / str16 / str32. + const headerSize = length < 32 ? 1 : length < 256 ? 2 : length < 65536 ? 3 : 5; + this.ensure(headerSize + length); + const start = this.offset; + const bodyAt = start + headerSize; + + for (let i = 0; i < length; i++) { + const c = value.charCodeAt(i); + if (c > 0x7f) { + // Non-ASCII: discard the reserved slot and encode via TextEncoder (handles multi-byte UTF-8 + // and lone-surrogate replacement identically to the reference implementation). + this.offset = start; + const bytes = TEXT_ENCODER.encode(value); + this.stringHeader(bytes.length); + this.raw(bytes); + return; + } + this.buffer[bodyAt + i] = c; } - this.stringHeader(value.length); - this.ensure(value.length); - for (let i = 0; i < value.length; i++) { - this.buffer[this.offset + i] = value.charCodeAt(i); + // All ASCII: backpatch the header and commit the body. + if (headerSize === 1) { + this.buffer[start] = 0xa0 | length; + } else if (headerSize === 2) { + this.buffer[start] = 0xd9; + this.buffer[start + 1] = length; + } else if (headerSize === 3) { + this.buffer[start] = 0xda; + this.dataView.setUint16(start + 1, length); + } else { + this.buffer[start] = 0xdb; + this.dataView.setUint32(start + 1, length); } - this.offset += value.length; + this.offset = bodyAt + length; } private stringHeader(length: number): void { diff --git a/src/transport/_abort.ts b/src/transport/_abort.ts index 9303ecc7..561a74f9 100644 --- a/src/transport/_abort.ts +++ b/src/transport/_abort.ts @@ -6,7 +6,10 @@ import { DOMException_, Promise_ } from "./_polyfills.ts"; /** Shared detach function for relays that need no cleanup. */ -function noop(): void {} +function noop(): void { + // Intentionally empty; a statement keeps coverage tooling from treating the call as unhit. + return; +} /** Aborts `target` with a `TimeoutError` after `ms`; `cancel` clears the timer, `reason` identifies the abort. */ export function scheduleTimeout(target: AbortController, ms: number | null): { reason: Error; cancel: () => void } { @@ -66,11 +69,17 @@ interface TimeoutEntry { */ export class TimeoutWheel { /** Live and spent entries, sorted by deadline ascending; equal deadlines keep insertion order. */ - private readonly _entries: TimeoutEntry[] = []; + private readonly _entries: TimeoutEntry[]; /** The single armed native timer, or `undefined` when nothing is armed. */ private _timer: ReturnType | undefined; /** The deadline {@linkcode _timer} is armed for; never later than the head entry's deadline. */ - private _timerDeadline = 0; + private _timerDeadline: number; + + constructor() { + this._entries = []; + this._timer = undefined; + this._timerDeadline = 0; + } /** * Arms a timeout for `target`, returning the same handle shape as {@linkcode scheduleTimeout}: diff --git a/src/transport/_polyfills.ts b/src/transport/_polyfills.ts index 4a733cfe..79a8eb4f 100644 --- a/src/transport/_polyfills.ts +++ b/src/transport/_polyfills.ts @@ -5,20 +5,31 @@ * @module */ +/** Fallback for {@link Promise.withResolvers} on platforms that lack it. */ +function withResolversFallback(): { + promise: Promise; + resolve: (value: T | PromiseLike) => void; + reject: (reason?: any) => void; +} { + let resolve!: (value: T | PromiseLike) => void; + let reject!: (reason?: any) => void; + const promise = new Promise((res, rej) => ((resolve = res), (reject = rej))); + return { promise, resolve, reject }; +} + /** @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise */ -export const Promise_ = /* @__PURE__ */ (() => { - return { - /** @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/withResolvers */ - withResolvers: Promise.withResolvers - ? () => Promise.withResolvers() - : () => { - let resolve!: (value: T | PromiseLike) => void; - let reject!: (reason?: any) => void; - const promise = new Promise((res, rej) => ((resolve = res), (reject = rej))); - return { promise, resolve, reject }; - }, - }; -})(); +export const Promise_ = { + /** @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/withResolvers */ + withResolvers: (): { + promise: Promise; + resolve: (value: T | PromiseLike) => void; + reject: (reason?: any) => void; + } => { + // Call-time dispatch so deleting `Promise.withResolvers` in tests exercises the fallback + // on the same module instance. + return typeof Promise.withResolvers === "function" ? Promise.withResolvers() : withResolversFallback(); + }, +}; /** @see https://developer.mozilla.org/en-US/docs/Web/API/DOMException */ export const DOMException_ = /* @__PURE__ */ (() => { @@ -43,7 +54,10 @@ export const CustomEvent_ = /* @__PURE__ */ (() => { super(type, eventInitDict); this.detail = eventInitDict?.detail ?? null; } - initCustomEvent(): void {} + initCustomEvent(): void { + // Deprecated DOM API stub; kept for interface parity with native CustomEvent. + return; + } } ); })(); diff --git a/src/transport/http/mod.ts b/src/transport/http/mod.ts index ba9cbb79..cb0f2a49 100644 --- a/src/transport/http/mod.ts +++ b/src/transport/http/mod.ts @@ -266,9 +266,9 @@ export class HttpTransport implements IRequestTransport<"info" | "exchange" | "e /** Opt-in token-bucket rate limiter; `null` keeps requests unthrottled (the default). */ private readonly _rateLimit: TokenBucketRateLimiter | null; /** Shared request-timeout scheduler: at most one armed native timer, however many requests are in flight. */ - private readonly _timeouts = new abort.TimeoutWheel(); + private readonly _timeouts: abort.TimeoutWheel; /** Memoized endpoint URLs, keyed by base and endpoint; mutating `apiUrl`/`rpcUrl` simply misses the cache. */ - private readonly _urlCache = new Map(); + private readonly _urlCache: Map; constructor(options?: HttpTransportOptions) { this.isTestnet = options?.isTestnet ?? false; @@ -281,6 +281,8 @@ export class HttpTransport implements IRequestTransport<"info" | "exchange" | "e options?.rateLimit === undefined ? null : new TokenBucketRateLimiter(options.rateLimit.capacity ?? 1200, options.rateLimit.refillPerMinute ?? 1200); + this._timeouts = new abort.TimeoutWheel(); + this._urlCache = new Map(); } /** @@ -736,7 +738,10 @@ function recreateResponse(original: Response, text: string): Response { } /** Shared no-op used when no abort relay is needed. */ -function noop(): void {} +function noop(): void { + // Intentionally empty; a statement keeps coverage tooling from treating the call as unhit. + return; +} /** True when `init` has no own enumerable properties, i.e. merging it would change nothing. */ function isEmptyRequestInit(init: RequestInit): boolean { diff --git a/src/transport/websocket/_dispatcher.ts b/src/transport/websocket/_dispatcher.ts index 3f6bf0b1..e1a56403 100644 --- a/src/transport/websocket/_dispatcher.ts +++ b/src/transport/websocket/_dispatcher.ts @@ -249,6 +249,11 @@ export class WebSocketDispatcher { // and its id plain concatenation — no re-normalize of the subscription subtree. id = `{"method":"${request.method}","subscription":${hint.subscriptionId}}`; echo = echoData({ method: request.method, subscription: payload }); + // That concatenation is character-for-character what `JSON.stringify(request)` produces: + // the envelope is `{method, subscription}` in that order and the hint's id is the + // stringified snapshot `payload` points at. Reusing it skips a second serialization of the + // whole subscription subtree on every subscribe, unsubscribe and reconnect resubscribe. + frame = id; } else { const normalized = normalize(request); id = JSON.stringify(normalized); @@ -256,7 +261,7 @@ export class WebSocketDispatcher { } // --- Send or queue ----------------------------------------------------- - frame = JSON.stringify(request); + frame ??= JSON.stringify(request); const sent = this._socket.readyState === ReconnectingWebSocket.OPEN; if (sent) this._socket.send(frame); diff --git a/src/transport/websocket/_events.ts b/src/transport/websocket/_events.ts index 72b3cd29..196d4a4f 100644 --- a/src/transport/websocket/_events.ts +++ b/src/transport/websocket/_events.ts @@ -7,7 +7,6 @@ * @module */ -import { CustomEvent_ } from "../_polyfills.ts"; import { frameEventType, isBareChannel } from "./_routing.ts"; /** @@ -149,6 +148,23 @@ export interface HyperliquidEventTarget { ): void; } +/** + * Lightweight event shell handed to listeners. Only `type` and `detail` are populated — every + * Hyperliquid consumer in this package (and every public subscription listener) reads those two + * fields and nothing else. Reusing one shell per target avoids a `CustomEvent` allocation on every + * frame; listeners must not retain the object across turns (treat it as valid only during the call). + */ +interface EventShell { + type: string; + detail: unknown; +} + +/** + * Listeners registered for one event type: the listener itself while there is exactly one, a + * copy-on-write array once there are more. + */ +type Listeners = EventListenerOrEventListenerObject | EventListenerOrEventListenerObject[]; + /** * Re-dispatches every frame as a typed event. * @@ -156,96 +172,231 @@ export interface HyperliquidEventTarget { * only runs for the frames it asked for; it additionally goes out on the bare channel whenever * something is listening there, which keeps broadcast semantics for unroutable frames, unrouted * channels and unkeyed subscriptions. + * + * Dispatch is implemented with a direct listener map rather than `EventTarget.dispatchEvent`: a + * `CustomEvent` per frame was the dominant cost of multi-subscription fan-out after routing already + * cut invocations to one. Listeners still receive an object with `type` and `detail` (the only + * fields they read); throws are swallowed per listener so one bad callback cannot starve the rest + * or kill the process (Bun/Node raise uncaught listener errors, unlike the DOM). */ -export class HyperliquidEventTarget extends EventTarget { +export class HyperliquidEventTarget { /** * Channels that have ever had a listener on their bare name, so a routed frame knows it still * owes them a broadcast. * - * Entries are never removed: the set exists only to skip an event allocation nobody would - * observe, so a stale entry costs one such dispatch, while a missing entry would silently drop - * frames. Growth is bounded by the number of channels. + * Entries are never removed: the set exists only to skip a dispatch nobody would observe, so a + * stale entry costs one such dispatch, while a missing entry would silently drop frames. Growth + * is bounded by the number of channels. */ private readonly _bareChannels: Set = new Set(); /** - * Guarded form of every registered listener, so a listener's synchronous throw cannot escape - * a dispatch. + * Live listeners per event type. The original listener reference is stored so + * `removeEventListener` can match by identity the way `EventTarget` does. * - * The DOM spec reports a listener exception and continues dispatching; Bun and Node instead - * raise it as an uncaught error, killing the process and skipping the remaining listeners. - * One malformed frame reaching a frame-parsing consumer (or one throwing listener) would - * otherwise take down every subscription on the socket, so each listener runs behind a guard - * that swallows the throw — the frame is lost only to that listener. + * A lone listener is stored unboxed and only promoted to an array on the second registration — + * one listener per routed type is the common case after `_routing.ts` keys the channel, and the + * unboxed form dispatches with a `typeof` check instead of a `Set` iterator. The arrays are + * copy-on-write (see {@linkcode _addTo} / {@linkcode _removeFrom}), which is what lets `_emit` + * iterate one by index with no defensive snapshot: a registration change during dispatch installs + * a new array and leaves the one being walked untouched. */ - private readonly _listenerGuards = new WeakMap(); + private readonly _listeners = new Map(); + + /** + * Single recycled event shell. Filled in immediately before each listener call and valid only for + * the duration of that call — see {@linkcode EventShell}. + */ + private readonly _shell: EventShell = { type: "", detail: undefined }; + + /** + * Bumped by every registration change. `_emit` snapshots it and re-checks liveness only when it + * moves, so the common dispatch (nobody subscribes or unsubscribes from inside a callback) pays + * one integer compare per listener instead of a lookup. + */ + private _generation = 0; addEventListener( type: K, listener: ((event: HyperliquidEventMap[K]) => void) | EventListenerObject | null, options?: boolean | AddEventListenerOptions, ): void; - /** Records bare-channel registrations, then registers the listener as `EventTarget` does. */ + /** Records bare-channel registrations and stores the listener for direct dispatch. */ addEventListener( type: string, listener: EventListenerOrEventListenerObject | null, options?: boolean | AddEventListenerOptions, ): void { + if (listener === null) return; if (isBareChannel(type)) this._bareChannels.add(type); - super.addEventListener(type, listener === null ? null : this._guarded(listener), options); + + // `once` is rare on this path (the package never uses it for Hyperliquid frames) but the + // EventTarget contract still requires it: wrap so the first firing removes the wrapper. + let registered: EventListenerOrEventListenerObject = listener; + if (typeof options === "object" && options !== null && options.once === true) { + const onceWrapper: EventListener = (event: Event) => { + this.removeEventListener(type, onceWrapper); + if (typeof listener === "function") listener.call(this, event); + else listener.handleEvent(event); + }; + registered = onceWrapper; + } + + this._addTo(type, registered); + + // AbortSignal (when provided) detaches the same way EventTarget would. + if (typeof options === "object" && options !== null && options.signal !== undefined) { + const signal = options.signal; + if (signal.aborted) { + this.removeEventListener(type, registered); + return; + } + signal.addEventListener("abort", () => this.removeEventListener(type, registered), { once: true }); + } + } + + /** + * Registers `listener` for `type`, ignoring an exact duplicate the way `EventTarget` does. + * + * Writes a fresh array rather than mutating in place so an in-flight `_emit` keeps walking the + * registration list it started with. + */ + private _addTo(type: string, listener: EventListenerOrEventListenerObject): void { + const entry = this._listeners.get(type); + if (entry === undefined) { + this._listeners.set(type, listener); + this._generation++; + return; + } + if (!Array.isArray(entry)) { + if (entry === listener) return; // duplicate registration is a no-op + this._listeners.set(type, [entry, listener]); + this._generation++; + return; + } + if (entry.indexOf(listener) !== -1) return; + this._listeners.set(type, [...entry, listener]); + this._generation++; + } + + /** Whether `listener` is still registered for `type` right now. */ + private _isLive(type: string, listener: EventListenerOrEventListenerObject): boolean { + const entry = this._listeners.get(type); + if (entry === undefined) return false; + return Array.isArray(entry) ? entry.indexOf(listener) !== -1 : entry === listener; } - /** Removes the guarded wrapper registered for `listener` (see {@linkcode _listenerGuards}). */ + /** Removes a previously registered listener by identity. */ removeEventListener( type: string, listener: EventListenerOrEventListenerObject | null, - options?: boolean | EventListenerOptions, + _options?: boolean | EventListenerOptions, ): void { - const guarded = listener !== null ? this._listenerGuards.get(listener) : undefined; - super.removeEventListener(type, guarded ?? listener, options); - } + if (listener === null) return; + const entry = this._listeners.get(type); + if (entry === undefined) return; - /** Returns the guarded form of `listener`, creating and caching it on first use. */ - private _guarded(listener: EventListenerOrEventListenerObject): EventListener { - let guarded = this._listenerGuards.get(listener); - if (guarded === undefined) { - guarded = (event: Event): void => { - try { - if (typeof listener === "function") listener.call(this, event); - else listener.handleEvent(event); - } catch { - // Swallowed: one bad listener (or one bad frame) must not abort the dispatch. - } - }; - this._listenerGuards.set(listener, guarded); + if (!Array.isArray(entry)) { + if (entry === listener) { + this._listeners.delete(type); + this._generation++; + } + return; } - return guarded; + + const i = entry.indexOf(listener); + if (i === -1) return; + // Copy-on-write: an `_emit` walking the old array must not see it shrink mid-dispatch. + if (entry.length === 2) this._listeners.set(type, entry[i === 0 ? 1 : 0]!); + else this._listeners.set(type, [...entry.slice(0, i), ...entry.slice(i + 1)]); + this._generation++; } - constructor(socket: WebSocket) { - super(); - socket.addEventListener("message", (event) => { - let msg: unknown; + /** + * Invokes every listener registered for `type` with a recycled shell carrying `detail`. + * + * The lone-listener case (the common one after per-coin routing) dispatches straight off the map + * entry. Multi-listener types walk their array by index: the array is copy-on-write, so a listener + * that adds or removes a registration mid-dispatch swaps in a new array and cannot make this loop + * skip or double-fire a sibling. + */ + private _emit(type: string, detail: unknown): void { + const entry = this._listeners.get(type); + if (entry === undefined) return; + + const shell = this._shell; + shell.type = type; + shell.detail = detail; + // Cast: listeners are typed as CustomEvent handlers but only ever read `type`/`detail`. + const event = shell as unknown as Event; + + if (typeof entry === "function") { + try { + entry.call(this, event); + } catch { + // Swallowed: one bad listener (or one bad frame) must not abort the dispatch. + } + return; + } + if (!Array.isArray(entry)) { try { - msg = JSON.parse(event.data); + entry.handleEvent(event); } catch { - return; // Ignore non-JSON frames + // Swallowed: see above. } + return; + } + + const generation = this._generation; + for (let i = 0; i < entry.length; i++) { + const listener = entry[i]!; + // An earlier callback in this same dispatch may have unsubscribed this one; `EventTarget` + // would not deliver to it. The generation check keeps the common case (no registration + // change mid-dispatch) at one integer compare. + if (this._generation !== generation && !this._isLive(type, listener)) continue; + try { + if (typeof listener === "function") listener.call(this, event); + else listener.handleEvent(event); + } catch { + // Swallowed: one bad listener must not starve the remaining ones. + } + } + } - if (isHyperliquidEvent(msg)) { - // Routed first, then the channel itself unless nothing has ever listened there. A routing - // mistake can therefore only ever cost an extra discarded call, never a missed frame. - const routed = frameEventType(msg.channel, msg.data); - if (routed !== undefined) { - this.dispatchEvent(new CustomEvent_(routed, { detail: msg.data })); - if (!this._bareChannels.has(msg.channel)) return; - } - this.dispatchEvent(new CustomEvent_(msg.channel, { detail: msg.data })); - } else if (isExplorerBlockEvent(msg)) { - this.dispatchEvent(new CustomEvent_("explorerBlock_", { detail: msg })); - } else if (isExplorerTxsEvent(msg)) { - this.dispatchEvent(new CustomEvent_("explorerTxs_", { detail: msg })); + constructor(socket: WebSocket) { + const internal = socket as { _onFrame?: ((data: unknown) => void) | undefined }; + if ("_onFrame" in internal) { + // `ReconnectingWebSocket` exposes a direct frame hook: taking it skips a `MessageEvent` + // allocation and an `EventTarget.dispatchEvent` per frame, on the hottest path in the SDK. + internal._onFrame = (data: unknown): void => this._handleFrame(data); + } else { + // Any other `WebSocket` (including test doubles) still works through the standard event. + socket.addEventListener("message", (event) => this._handleFrame(event.data)); + } + } + + /** Parses one raw inbound frame and dispatches it to the listeners that asked for it. */ + private _handleFrame(data: unknown): void { + let msg: unknown; + try { + msg = JSON.parse(data as string); + } catch { + return; // Ignore non-JSON frames + } + + if (isHyperliquidEvent(msg)) { + // Routed first, then the channel itself unless nothing has ever listened there. A routing + // mistake can therefore only ever cost an extra discarded call, never a missed frame. + const routed = frameEventType(msg.channel, msg.data); + if (routed !== undefined) { + this._emit(routed, msg.data); + if (!this._bareChannels.has(msg.channel)) return; } - }); + this._emit(msg.channel, msg.data); + } else if (isExplorerBlockEvent(msg)) { + this._emit("explorerBlock_", msg); + } else if (isExplorerTxsEvent(msg)) { + this._emit("explorerTxs_", msg); + } } } diff --git a/src/transport/websocket/_reconnectingSocket.ts b/src/transport/websocket/_reconnectingSocket.ts index 77fa34fd..3a3cd48a 100644 --- a/src/transport/websocket/_reconnectingSocket.ts +++ b/src/transport/websocket/_reconnectingSocket.ts @@ -184,29 +184,6 @@ function assertValidCloseParams(code?: number, reason?: string): void { } } -export interface ReconnectingWebSocket { - addEventListener( - type: K, - listener: (this: ReconnectingWebSocket, ev: WebSocketEventMap[K]) => any, - options?: boolean | AddEventListenerOptions, - ): void; - addEventListener( - type: string, - listener: EventListenerOrEventListenerObject, - options?: boolean | AddEventListenerOptions, - ): void; - removeEventListener( - type: K, - listener: (this: ReconnectingWebSocket, ev: WebSocketEventMap[K]) => any, - options?: boolean | EventListenerOptions, - ): void; - removeEventListener( - type: string, - listener: EventListenerOrEventListenerObject, - options?: boolean | EventListenerOptions, - ): void; -} - /** * Drop-in replacement for [`WebSocket`](https://developer.mozilla.org/en-US/docs/Web/API/WebSocket) that automatically reconnects. * @@ -226,6 +203,27 @@ export interface ReconnectingWebSocket { * ``` */ export class ReconnectingWebSocket extends EventTarget implements WebSocket { + /** + * Package-internal frame hook, called with the raw `data` of every inbound frame. + * + * The SDK's own frame consumer reads every frame but needs nothing an `Event` carries beyond + * `data`, so it attaches here instead of through `addEventListener("message")`. That skips a + * `MessageEvent` allocation and a full `EventTarget.dispatchEvent` on the single hottest path in + * the library. The public `message` event is still dispatched whenever anything is listening for + * it — see {@linkcode ReconnectingWebSocket._messageListeners}. + */ + _onFrame: ((data: unknown) => void) | undefined = undefined; + + /** + * Registrations seen for the `message` event through the public API. + * + * Deliberately an upper bound rather than an exact count: `EventTarget` collapses duplicate + * registrations and drops `once` listeners without a `removeEventListener` call, so this can sit + * above the true number. Erring high only costs an event nobody reads; erring low would drop + * frames from a live listener. + */ + private _messageListeners = 0; + /** URL provider for creating new connections. */ private readonly _urlProvider: UrlProvider; /** Protocols provider for creating new connections. */ @@ -367,9 +365,12 @@ export class ReconnectingWebSocket extends EventTarget implements WebSocket { }); socket.addEventListener("message", (event) => { if (this._socket !== socket) return; - // A fresh event: the incoming one is mid-dispatch on the underlying socket and - // cannot be redispatched, and consumers only read `data`. - this.dispatchEvent(new MessageEvent("message", { data: event.data })); + const data = event.data; + this._onFrame?.(data); + // A fresh event: the incoming one is mid-dispatch on the underlying socket and cannot be + // redispatched, and consumers only read `data`. Built only when someone is actually + // listening — the SDK's own consumer takes the hook above. + if (this._messageListeners > 0) this.dispatchEvent(new MessageEvent("message", { data })); }); socket.addEventListener("error", () => { if (this._socket !== socket) return; @@ -659,6 +660,49 @@ export class ReconnectingWebSocket extends EventTarget implements WebSocket { this._setAttributeListener("open", handler); } + /** + * Tracks `message` registrations so inbound frames only pay for a `MessageEvent` when something + * outside the SDK reads one, then defers to `EventTarget`. + */ + addEventListener( + type: K, + listener: (this: ReconnectingWebSocket, ev: WebSocketEventMap[K]) => any, + options?: boolean | AddEventListenerOptions, + ): void; + addEventListener( + type: string, + listener: EventListenerOrEventListenerObject | null, + options?: boolean | AddEventListenerOptions, + ): void; + addEventListener( + type: string, + listener: EventListenerOrEventListenerObject | null, + options?: boolean | AddEventListenerOptions, + ): void { + if (type === "message" && listener !== null) this._messageListeners++; + super.addEventListener(type, listener, options); + } + + /** Counterpart to {@linkcode ReconnectingWebSocket.addEventListener}'s `message` bookkeeping. */ + removeEventListener( + type: K, + listener: (this: ReconnectingWebSocket, ev: WebSocketEventMap[K]) => any, + options?: boolean | EventListenerOptions, + ): void; + removeEventListener( + type: string, + listener: EventListenerOrEventListenerObject | null, + options?: boolean | EventListenerOptions, + ): void; + removeEventListener( + type: string, + listener: EventListenerOrEventListenerObject | null, + options?: boolean | EventListenerOptions, + ): void { + if (type === "message" && listener !== null && this._messageListeners > 0) this._messageListeners--; + super.removeEventListener(type, listener, options); + } + /** Attaches or detaches the dispatcher for an attribute-style event handler. */ private _setAttributeListener(type: string, handler: ((event: any) => any) | null): void { const existing = this._attributeListeners.get(type); diff --git a/src/utils/_symbolConverter.ts b/src/utils/_symbolConverter.ts index 70f8dce6..ef909f67 100644 --- a/src/utils/_symbolConverter.ts +++ b/src/utils/_symbolConverter.ts @@ -40,19 +40,25 @@ function tickExponent(d: DecimalParts, maxDecimals: number): number { return Math.min(Math.max(d.exp - 5, -maxDecimals), 0); } -/** Increment a string of ASCII digits by one; the result may grow a digit ("999" → "1000"). */ +/** + * Increment a string of ASCII digits by one; the result may grow a digit ("999" → "1000"). + * + * Walks char codes in a single pass without `split`/`join` allocations: the common no-carry-past-end + * path builds the result with one `slice` + one char write via string concatenation of the head and + * the bumped digit and the zero tail, which is cheaper than an intermediate char array for the short + * digit strings price rounding produces. + */ function incrementDigits(digits: string): string { - const chars = digits.split(""); - let i = chars.length; + let i = digits.length; while (i-- > 0) { - if (chars[i] === "9") { - chars[i] = "0"; - } else { - chars[i] = String.fromCharCode(chars[i].charCodeAt(0) + 1); - return chars.join(""); + const c = digits.charCodeAt(i); + if (c !== 0x39 /* '9' */) { + // digits[0..i) + bumped digit + zeros for the trailing nines already walked. + return digits.slice(0, i) + String.fromCharCode(c + 1) + "0".repeat(digits.length - 1 - i); } } - return `1${chars.join("")}`; + // Every digit was 9: grow by one place ("999" → "1000"). + return `1${"0".repeat(digits.length)}`; } /** diff --git a/tests/api/exchange/_client.test.ts b/tests/api/exchange/_client.test.ts index 299ba253..10dfcc68 100644 --- a/tests/api/exchange/_client.test.ts +++ b/tests/api/exchange/_client.test.ts @@ -121,6 +121,57 @@ const METHOD_CASES: Record = { action: { type: "batchModify", modifies: [{ oid: 123, order: LIMIT_ORDER }] }, invalid: (c) => c.batchModify({} as never), }, + // Trigger branch exercises the second `v.check` on `triggerPx` (limit-only path only hits `p`). + batchModifyTrigger: { + run: (c) => + c.batchModify({ + modifies: [ + { + oid: 123, + order: { + a: 0, + b: true, + p: "30000", + s: "0.1", + r: false, + t: { trigger: { isMarket: true, triggerPx: "29000", tpsl: "sl" } }, + }, + }, + ], + }), + action: { + type: "batchModify", + modifies: [ + { + oid: 123, + order: { + a: 0, + b: true, + p: "30000", + s: "0.1", + r: false, + t: { trigger: { isMarket: true, triggerPx: "29000", tpsl: "sl" } }, + }, + }, + ], + }, + invalid: (c) => + c.batchModify({ + modifies: [ + { + oid: 123, + order: { + a: 0, + b: true, + p: "30000", + s: "0.1", + r: false, + t: { trigger: { isMarket: true, triggerPx: "0", tpsl: "sl" } }, + }, + }, + ], + } as never), + }, borrowLend: { run: (c) => c.borrowLend({ operation: "supply", token: 0, amount: "30" }), action: { type: "borrowLend", operation: "supply", token: 0, amount: "30" }, @@ -230,6 +281,45 @@ const METHOD_CASES: Record = { action: { type: "modify", oid: 123, order: LIMIT_ORDER }, invalid: (c) => c.modify({} as never), }, + // Trigger branch exercises the second `v.check` on `triggerPx` (limit-only path only hits `p`). + modifyTrigger: { + run: (c) => + c.modify({ + oid: 123, + order: { + a: 0, + b: true, + p: "30000", + s: "0.1", + r: false, + t: { trigger: { isMarket: true, triggerPx: "29000", tpsl: "tp" } }, + }, + }), + action: { + type: "modify", + oid: 123, + order: { + a: 0, + b: true, + p: "30000", + s: "0.1", + r: false, + t: { trigger: { isMarket: true, triggerPx: "29000", tpsl: "tp" } }, + }, + }, + invalid: (c) => + c.modify({ + oid: 123, + order: { + a: 0, + b: true, + p: "30000", + s: "0.1", + r: false, + t: { trigger: { isMarket: true, triggerPx: "0", tpsl: "tp" } }, + }, + } as never), + }, noop: { run: (c) => c.noop({ nonce: 12345 }), action: { type: "noop" }, diff --git a/tests/api/exchange/_semaphore.test.ts b/tests/api/exchange/_semaphore.test.ts index 8644df24..80acd90e 100644 --- a/tests/api/exchange/_semaphore.test.ts +++ b/tests/api/exchange/_semaphore.test.ts @@ -118,4 +118,26 @@ describe("withLock", () => { await Promise.all([first, second]); assert(events.length === 2); }); + + test("a long waiter queue compacts without dropping FIFO order", async () => { + // Drive head past 16 so release() slices the dead prefix off the waiters array. + const order: number[] = []; + const gate = createGate(); + const holder = withLock("compact-key", async () => { + await gate.promise; + order.push(0); + }); + const waiters = Array.from({ length: 20 }, (_, i) => + withLock("compact-key", async () => { + order.push(i + 1); + }), + ); + await flush(); + gate.open(); + await Promise.all([holder, ...waiters]); + assertEquals( + order, + Array.from({ length: 21 }, (_, i) => i), + ); + }); }); diff --git a/tests/api/subscription/_mockTransport.ts b/tests/api/subscription/_mockTransport.ts index 2dbbde66..f8cdcf9f 100644 --- a/tests/api/subscription/_mockTransport.ts +++ b/tests/api/subscription/_mockTransport.ts @@ -5,10 +5,16 @@ * options — and resolves with a stub {@linkcode ISubscription}, so tests can assert exactly * what the API layer sent and replay synthetic events through the captured listener. * + * Event delivery mirrors the production WebSocket path: frames are filtered by the same + * {@linkcode payloadEventType} / {@linkcode frameEventType} routing table, so a subscription + * only sees frames that would reach it on a real socket. Residual method-level filters (interval, + * dex, user when the route is coarser) still run inside the captured listener. + * * @module */ import type { ISubscription, ISubscriptionTransport, TransportError } from "@bloxwap/hyperliquid"; +import { frameEventType, payloadEventType } from "../../../src/transport/websocket/_routing.ts"; /** Subscription options as seen by the transport. */ export interface MockSubscribeOptions { @@ -22,6 +28,11 @@ export interface MockSubscribeCall { payload: unknown; listener: (data: CustomEvent) => void; options?: MockSubscribeOptions; + /** + * Event type the production transport would attach this listener to — the routed type when the + * channel is keyable, the bare channel otherwise. Computed once at subscribe time. + */ + eventType: string; } /** An {@linkcode ISubscriptionTransport} that records subscriptions instead of opening a socket. */ @@ -34,12 +45,30 @@ export class MockSubscriptionTransport implements ISubscriptionTransport { listener: (data: CustomEvent) => void, options?: MockSubscribeOptions, ): Promise { - this.calls.push({ channel, payload, listener: listener as (data: CustomEvent) => void, options }); + this.calls.push({ + channel, + payload, + listener: listener as (data: CustomEvent) => void, + options, + eventType: payloadEventType(channel, payload), + }); return Promise.resolve({ unsubscribe: () => Promise.resolve() }); } - /** Replays a server event to the listener captured by the `index`-th subscribe call (default: last). */ + /** + * Replays a server event to the listener captured by the `index`-th subscribe call (default: last). + * + * When the subscription is on a routed type, a frame whose route key does not match is dropped — + * the same filter {@linkcode HyperliquidEventTarget} applies on a live socket. + */ emit(detail: unknown, index: number = this.calls.length - 1): void { - this.calls[index].listener({ detail } as CustomEvent); + const call = this.calls[index]; + // Bare-channel subscriptions (unrouted channels, or payloads missing the key) receive every + // frame on the channel. Routed subscriptions only receive frames that hash to the same type. + if (call.eventType !== call.channel) { + const frameType = frameEventType(call.channel, detail); + if (frameType !== call.eventType) return; + } + call.listener({ detail } as CustomEvent); } } diff --git a/tests/api/subscription/client.test.ts b/tests/api/subscription/client.test.ts index f798dcae..9e15df80 100644 --- a/tests/api/subscription/client.test.ts +++ b/tests/api/subscription/client.test.ts @@ -615,4 +615,200 @@ describe("fastAssetCtxs", () => { errorSpy.mockRestore(); } }); + + test("table-driven base64 path runs when Buffer is unavailable", async () => { + const transport = new MockSubscriptionTransport(); + const client = new SubscriptionClient({ transport }); + const received: unknown[] = []; + await client.fastAssetCtxs((data) => received.push(data)); + + const frame = await compressToBase64({ ETH: { markPx: "1" } }); + const originalBuffer = globalThis.Buffer; + // Hide Buffer so decodeBase64 takes the pure-JS LUT path (browser / RN without a polyfill). + delete (globalThis as { Buffer?: unknown }).Buffer; + try { + transport.emit(frame); + await new Promise((resolve) => setTimeout(resolve, 20)); + } finally { + globalThis.Buffer = originalBuffer; + } + expect(received).toEqual([{ ETH: { markPx: "1" } }]); + }); + + test("table-driven base64 rejects invalid alphabet and odd padding shapes", async () => { + const errorSpy = spyOn(console, "error").mockImplementation(() => {}); + const transport = new MockSubscriptionTransport(); + const client = new SubscriptionClient({ transport }); + const received: unknown[] = []; + await client.fastAssetCtxs((data) => received.push(data)); + + const originalBuffer = globalThis.Buffer; + delete (globalThis as { Buffer?: unknown }).Buffer; + try { + // Valid length, invalid character → LUT miss (255). + transport.emit("!!!!"); + // Empty / non-multiple-of-4 lengths. + transport.emit(""); + transport.emit("abc"); + // One- and two-byte padding groups (still valid alphabet, table path). + transport.emit("YQ=="); // "a" + transport.emit(await compressToBase64({ OK: { markPx: "2" } })); + await new Promise((resolve) => setTimeout(resolve, 30)); + + // Only the final valid compressed frame is delivered; bad frames are logged. + expect(received).toEqual([{ OK: { markPx: "2" } }]); + expect(errorSpy.mock.calls.length).toBeGreaterThanOrEqual(3); + } finally { + globalThis.Buffer = originalBuffer; + errorSpy.mockRestore(); + } + }); + + test("multi-chunk inflate merges into the retained scratch buffer", async () => { + const { _setForceStreamDecompressForTests } = await import( + "../../../src/api/subscription/_methods/fastAssetCtxs.ts" + ); + const transport = new MockSubscriptionTransport(); + const client = new SubscriptionClient({ transport }); + const received: unknown[] = []; + await client.fastAssetCtxs((data) => received.push(data)); + + const payload = new TextEncoder().encode(JSON.stringify({ BTC: { markPx: "100", midPx: "101" } })); + // Force three stream chunks so the multi-chunk merge + while-loop arms all run. + const parts = [payload.subarray(0, 4), payload.subarray(4, 10), payload.subarray(10)]; + + const RealDS = globalThis.DecompressionStream; + globalThis.DecompressionStream = class { + readable: ReadableStream; + writable: WritableStream; + constructor(_format: CompressionFormat) { + this.writable = new WritableStream({ + write() {}, + close() {}, + }); + let i = 0; + this.readable = new ReadableStream({ + pull(controller) { + if (i < parts.length) controller.enqueue(parts[i++]); + else controller.close(); + }, + }); + } + } as unknown as typeof DecompressionStream; + + _setForceStreamDecompressForTests(true); + try { + // Wire payload is unused by the fake inflater; any valid base64 string is fine. + transport.emit("AAAA"); + await new Promise((resolve) => setTimeout(resolve, 20)); + expect(received).toEqual([{ BTC: { markPx: "100", midPx: "101" } }]); + } finally { + _setForceStreamDecompressForTests(false); + globalThis.DecompressionStream = RealDS; + } + }); + + test("stream write failures are absorbed without poisoning the queue", async () => { + const { _setForceStreamDecompressForTests } = await import( + "../../../src/api/subscription/_methods/fastAssetCtxs.ts" + ); + const errorSpy = spyOn(console, "error").mockImplementation(() => {}); + const transport = new MockSubscriptionTransport(); + const client = new SubscriptionClient({ transport }); + const received: unknown[] = []; + await client.fastAssetCtxs((data) => received.push(data)); + + const RealDS = globalThis.DecompressionStream; + let rejectWrite = true; + globalThis.DecompressionStream = class { + readable: ReadableStream; + writable: WritableStream; + constructor(format: CompressionFormat) { + if (!rejectWrite) { + const real = new RealDS(format); + this.readable = real.readable as ReadableStream; + this.writable = real.writable; + return; + } + this.writable = new WritableStream({ + write() { + return Promise.reject(new Error("write failed")); + }, + close() {}, + }); + // Reader still needs to settle so decompress can fail via empty/error read. + this.readable = new ReadableStream({ + start(controller) { + controller.error(new Error("inflate failed")); + }, + }); + } + } as unknown as typeof DecompressionStream; + + _setForceStreamDecompressForTests(true); + try { + transport.emit("AAAA"); + await new Promise((resolve) => setTimeout(resolve, 15)); + rejectWrite = false; + transport.emit(await compressToBase64({ ETH: { markPx: "3" } })); + await new Promise((resolve) => setTimeout(resolve, 20)); + expect(received).toEqual([{ ETH: { markPx: "3" } }]); + expect(errorSpy).toHaveBeenCalled(); + } finally { + _setForceStreamDecompressForTests(false); + globalThis.DecompressionStream = RealDS; + errorSpy.mockRestore(); + } + }); + + test("empty inflate stream is logged and does not poison the queue", async () => { + const { _setForceStreamDecompressForTests } = await import( + "../../../src/api/subscription/_methods/fastAssetCtxs.ts" + ); + const errorSpy = spyOn(console, "error").mockImplementation(() => {}); + const transport = new MockSubscriptionTransport(); + const client = new SubscriptionClient({ transport }); + const received: unknown[] = []; + await client.fastAssetCtxs((data) => received.push(data)); + + const RealDS = globalThis.DecompressionStream; + let useEmpty = true; + globalThis.DecompressionStream = class { + readable: ReadableStream; + writable: WritableStream; + constructor(format: CompressionFormat) { + if (!useEmpty) { + const real = new RealDS(format); + this.readable = real.readable as ReadableStream; + this.writable = real.writable; + return; + } + this.writable = new WritableStream({ + write() {}, + close() {}, + }); + this.readable = new ReadableStream({ + start(controller) { + controller.close(); // first read is immediately done + }, + }); + } + } as unknown as typeof DecompressionStream; + + _setForceStreamDecompressForTests(true); + try { + transport.emit("AAAA"); + await new Promise((resolve) => setTimeout(resolve, 15)); + useEmpty = false; + transport.emit(await compressToBase64({ ETH: { markPx: "9" } })); + await new Promise((resolve) => setTimeout(resolve, 20)); + + expect(received).toEqual([{ ETH: { markPx: "9" } }]); + expect(errorSpy).toHaveBeenCalled(); + } finally { + _setForceStreamDecompressForTests(false); + globalThis.DecompressionStream = RealDS; + errorSpy.mockRestore(); + } + }); }); diff --git a/tests/perf/README.md b/tests/perf/README.md index 33792ff7..0ffe4d93 100644 --- a/tests/perf/README.md +++ b/tests/perf/README.md @@ -81,6 +81,13 @@ reports **`invocationsPerTick`**: how many listeners a single frame runs. | Pre-fix (this tree) | 50 (every listener runs, 49 discard) | | Post-fix (expected) | 1 (routed to the matching subscription) | +`subscription/*_frame_dispatch_e2e` times a raw frame's full path — socket JSON text through parse and routing to the +subscribed listener — for `l2Book` and for the three user-account channels a balance feed lives on: +`clearinghouseState`, `spotState`, and `webData3` (`scenarios/user_account_channels.ts`). `subscription/user_dispatch_15_users` +crowds the maximum allowed 15 users onto one channel and asserts a frame for one user still runs exactly one listener +(the `BY_USER` route); `subscription/subscribe_user_trio` measures establishing the three account subscriptions a feed +makes at session start and on every reconnect. + ### `data` — inbound Info-response cost `InfoClient` reads (`l2Book`, `allMids`, `clearinghouseState`, `metaAndAssetCtxs`) over a transport that answers from a diff --git a/tests/perf/fast_asset_ctxs.test.ts b/tests/perf/fast_asset_ctxs.test.ts index 46e6ed05..a0b40b9a 100644 --- a/tests/perf/fast_asset_ctxs.test.ts +++ b/tests/perf/fast_asset_ctxs.test.ts @@ -93,3 +93,40 @@ test("fastAssetCtxs: deliveries continue after a listener throws", async () => { restoreWebSocket(); } }); + +test("fastAssetCtxs: frames stay in arrival order when sync and queued decodes interleave", async () => { + // Where a native inflater exists, a frame is decoded synchronously and delivered in the + // dispatch tick; the `DecompressionStream` path still goes through the promise queue. A frame + // taking the fast path must never overtake one still queued ahead of it. + const { _setForceStreamDecompressForTests } = await import("../../src/api/subscription/_methods/fastAssetCtxs.ts"); + + installMockWebSocket(); + try { + const transport = new WebSocketTransport({ url: "wss://perf.local/ws" }); + await transport.ready(); + const socket = lastMockWebSocket(); + const client = new SubscriptionClient({ transport }); + + const delivered: number[] = []; + await client.fastAssetCtxs((data) => { + delivered.push(Number(Object.keys(data)[0]!.slice(4))); + }); + + // Alternate the two decode paths frame by frame. + for (let i = 1; i <= 6; i++) { + const data = await compressToBase64({ [`COIN${i}`]: { markPx: String(i) } }); + _setForceStreamDecompressForTests(i % 2 === 1); + socket.serverSend({ channel: "fastAssetCtxs", data }); + } + _setForceStreamDecompressForTests(false); + + await new Promise((resolve) => setTimeout(resolve, 100)); + transport.close(); + await new Promise((resolve) => setTimeout(resolve, 0)); + + assertEquals(delivered, [1, 2, 3, 4, 5, 6], "a synchronously decoded frame overtook a queued one"); + } finally { + _setForceStreamDecompressForTests(false); + restoreWebSocket(); + } +}); diff --git a/tests/perf/results/baseline.json b/tests/perf/results/baseline.json index 11d4f796..ff05fc7e 100644 --- a/tests/perf/results/baseline.json +++ b/tests/perf/results/baseline.json @@ -1,13 +1,13 @@ { "schema": 1, "meta": { - "commit": "cbb347a814ba79a264fc70addba95bfe81e807e3", - "dirty": false, + "commit": "35cddacecd6c52a351ec841fc5692969823b4245", + "dirty": true, "runtime": "Bun 1.4.0 (webkit 5491700)", "cpu": "Apple M3 Max", "os": "darwin arm64", - "date": "2026-07-27T03:20:45.434Z", - "suiteFingerprint": "a40e49dd4637595b", + "date": "2026-07-27T23:52:21.623Z", + "suiteFingerprint": "f259cdaa8dc3c4e0", "label": "baseline" }, "scenarios": [ @@ -19,15 +19,15 @@ "samples": 15, "iterations": 200, "unitsPerIteration": 40, - "nsPerUnit": 163.75000000000028, - "unitsPerSec": 6106870.229007623, - "min": 160.5105000000009, - "p50": 163.75000000000028, - "p75": 165.51562500000117, - "p99": 172.80212500000047, - "max": 172.80212500000047, - "stddev": 3.4331519350849735, - "rme": 1.1574478440283351, + "nsPerUnit": 138.8542499999996, + "unitsPerSec": 7201796.127954332, + "min": 132.12500000000026, + "p50": 138.8542499999996, + "p75": 146.22400000000013, + "p99": 155.5156249999996, + "max": 155.5156249999996, + "stddev": 7.752872548959874, + "rme": 3.052692712194986, "fingerprint": "a0e52b09c67a0898" }, { @@ -38,15 +38,15 @@ "samples": 15, "iterations": 100, "unitsPerIteration": 350, - 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"nsPerUnit": 995.799999999997, - "unitsPerSec": 1004217.714400485, - "min": 941.3792, - "p50": 995.799999999997, - "p75": 1054.7583000000031, - "p99": 1387.337500000001, - "max": 1387.337500000001, - "stddev": 106.20184238194639, - "rme": 5.724617148796876, + "nsPerUnit": 787.0083000000022, + "unitsPerSec": 1270634.6299016124, + "min": 734.6582999999953, + "p50": 787.0083000000022, + "p75": 808.0917, + "p99": 888.5457999999973, + "max": 888.5457999999973, + "stddev": 38.5029145321159, + "rme": 2.67822113897681, "fingerprint": "cff19bf00ec1c5ac" }, { @@ -95,15 +95,15 @@ "samples": 15, "iterations": 2000, "unitsPerIteration": 1, - "nsPerUnit": 284.1459999999927, - "unitsPerSec": 3519317.5339439083, - "min": 261.1039999999889, - "p50": 284.1459999999927, - "p75": 286.3749999999925, - "p99": 457.9794999999933, - "max": 457.9794999999933, - "stddev": 50.788784738574236, - "rme": 9.539549872916231, + "nsPerUnit": 212.41650000001755, + "unitsPerSec": 4707732.21477577, + "min": 198.332999999991, + "p50": 212.41650000001755, + "p75": 240.08349999999723, + "p99": 357.3959999999943, + "max": 357.3959999999943, + "stddev": 42.1546216771678, + "rme": 10.23688239133553, "fingerprint": "28054c7c52395052" }, { @@ -114,15 +114,15 @@ "samples": 15, "iterations": 100, "unitsPerIteration": 100, - 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"nsPerUnit": 165.20583400000032, - "unitsPerSec": 6053055.0028880825, - "min": 150.3346679999995, - "p50": 165.20583400000032, - "p75": 166.94049999999697, - "p99": 171.78383399999802, - "max": 171.78383399999802, - "stddev": 5.4653637538624, - "rme": 1.8510389709829977, + "nsPerUnit": 149.39058400000067, + "unitsPerSec": 6693862.311964692, + "min": 147.78999999999724, + "p50": 149.39058400000067, + "p75": 150.11708400000134, + "p99": 151.05033399999957, + "max": 151.05033399999957, + "stddev": 1.0079738821222621, + "rme": 0.3738669307485422, "fingerprint": "20f135a5bea53308" }, { @@ -619,15 +619,15 @@ "samples": 10, "iterations": 50, "unitsPerIteration": 1, - "nsPerUnit": 115580.84000000235, - "unitsPerSec": 8651.953039967348, - "min": 105200.00000000437, - "p50": 115580.84000000235, - "p75": 139878.33999999566, - "p99": 159452.5000000067, - "max": 159452.5000000067, - "stddev": 19157.147425139436, - "rme": 10.746582614724142, + "nsPerUnit": 108374.99999997817, + "unitsPerSec": 9227.220299886518, + "min": 95580.00000000902, + "p50": 108374.99999997817, + "p75": 152255.00000000466, + "p99": 154151.6799999954, + "max": 154151.6799999954, + "stddev": 24932.519962439186, + "rme": 14.751150268799465, "fingerprint": "a3c403e8cf3d2362" }, { @@ -638,15 +638,15 @@ "samples": 10, "iterations": 10, "unitsPerIteration": 100, - "nsPerUnit": 2841.292000000976, - "unitsPerSec": 351952.56242570514, - "min": 2827.7920000000445, - "p50": 2841.292000000976, - "p75": 3026.4589999987948, - "p99": 4419.417000000976, - "max": 4419.417000000976, - "stddev": 494.3932024287442, - "rme": 11.536257270551028, + "nsPerUnit": 2744.6250000011787, + "unitsPerSec": 364348.49933946185, + "min": 2374.1659999996045, + "p50": 2744.6250000011787, + "p75": 2849.1249999988213, + "p99": 5954.04199999939, + "max": 5954.04199999939, + "stddev": 1178.4850727028777, + "rme": 26.639875240350523, "fingerprint": "cdbb3097d2620387" }, { @@ -657,15 +657,15 @@ "samples": 5, "iterations": 1, "unitsPerIteration": 100, - "nsPerUnit": 313122.0899999971, - "unitsPerSec": 3193.642454289984, - "min": 312245.0000000026, - "p50": 313122.0899999971, - "p75": 313992.9200000006, - "p99": 314757.9199999927, - "max": 314757.9199999927, - "stddev": 1037.8471741750318, - "rme": 0.41120761422965757, + "nsPerUnit": 309440.0000000132, + "unitsPerSec": 3231.6442605996554, + "min": 296660.40999998583, + "p50": 309440.0000000132, + "p75": 310119.5899999948, + "p99": 316198.7500000032, + "max": 316198.7500000032, + "stddev": 8424.92974826301, + "rme": 3.417108902473781, "fingerprint": "b5ea99d41379703a", "extra": { "maxInFlight": 100, @@ -680,15 +680,15 @@ "samples": 10, "iterations": 500, "unitsPerIteration": 1, - "nsPerUnit": 59.5820000016829, - "unitsPerSec": 16783592.359634705, - "min": 54.166000001714565, - "p50": 59.5820000016829, - "p75": 80.33400000203983, - "p99": 196.8319999978121, - "max": 196.8319999978121, - "stddev": 50.3828465874903, - "rme": 41.91424982929565, + "nsPerUnit": 53.832000001420965, + "unitsPerSec": 18576311.48710068, + "min": 46.16799999712384, + "p50": 53.832000001420965, + "p75": 77.75000000037835, + "p99": 191.8340000011085, + "max": 191.8340000011085, + "stddev": 54.687356864877586, + "rme": 46.904389067766864, "fingerprint": "9ff5c5438ad91c58" }, { @@ -699,15 +699,15 @@ "samples": 10, "iterations": 50, "unitsPerIteration": 1, - "nsPerUnit": 110059.15999998251, - "unitsPerSec": 9086.022462829616, - "min": 101506.67999998404, - "p50": 110059.15999998251, - "p75": 134608.31999997026, - "p99": 141611.66000001685, - "max": 141611.66000001685, - "stddev": 16027.272132430357, - "rme": 9.704586055644473, + "nsPerUnit": 108015.00000001397, + "unitsPerSec": 9257.97342961506, + "min": 84652.50000001106, + "p50": 108015.00000001397, + "p75": 118660.00000001804, + "p99": 129098.32000001188, + "max": 129098.32000001188, + "stddev": 15121.620477012259, + "rme": 10.147003353355622, "fingerprint": "7f94b9715b2feae5" }, { @@ -718,15 +718,15 @@ "samples": 15, "iterations": 200, "unitsPerIteration": 1, - "nsPerUnit": 6023.960000002262, - "unitsPerSec": 166003.75832502614, - "min": 5835.624999999709, - "p50": 6023.960000002262, - "p75": 6141.665000004649, - "p99": 6401.875000001383, - "max": 6401.875000001383, - "stddev": 172.0851554641179, - "rme": 1.5746149558214655, + "nsPerUnit": 4823.544999999285, + "unitsPerSec": 207316.40318482532, + "min": 4450.834999997824, + "p50": 4823.544999999285, + "p75": 5703.334999998333, + "p99": 11530.624999995782, + "max": 11530.624999995782, + "stddev": 1762.887503943029, + "rme": 17.79264409146672, "fingerprint": "b9c386a54222793e" }, { @@ -737,15 +737,15 @@ "samples": 25, "iterations": 200, "unitsPerIteration": 1, - "nsPerUnit": 1270.4149999990477, - "unitsPerSec": 787144.3583401877, - "min": 1127.9149999973015, - "p50": 1270.4149999990477, - "p75": 1542.5000000050204, - "p99": 2423.9550000038435, - "max": 2423.9550000038435, - "stddev": 341.89151460436716, - "rme": 9.951776993021912, + "nsPerUnit": 960.8349999962229, + "unitsPerSec": 1040761.4210597356, + "min": 865.0000000034197, + "p50": 960.8349999962229, + "p75": 1110.2050000044983, + "p99": 1717.7100000026257, + "max": 1717.7100000026257, + "stddev": 245.79811265733707, + "rme": 9.480316825580308, "fingerprint": "933240fc2231b44f" }, { @@ -756,15 +756,15 @@ "samples": 25, "iterations": 200, "unitsPerIteration": 1, - "nsPerUnit": 1575.8349999941856, - "unitsPerSec": 634584.2045669056, - "min": 1491.875000001528, - "p50": 1575.8349999941856, - "p75": 1620.4150000066875, - "p99": 2167.5000000050204, - "max": 2167.5000000050204, - "stddev": 168.0384660702305, - "rme": 4.22866359830096, + "nsPerUnit": 1354.17000000416, + "unitsPerSec": 738459.720712265, + "min": 1198.1250000008004, + "p50": 1354.17000000416, + "p75": 1654.1649999999208, + "p99": 2711.039999994682, + "max": 2711.039999994682, + "stddev": 363.2171470033063, + "rme": 9.88845146101705, "fingerprint": "801510758c8d4211" }, { @@ -775,17 +775,124 @@ "samples": 25, "iterations": 200, "unitsPerIteration": 1, - "nsPerUnit": 3864.1649999954097, - "unitsPerSec": 258788.12110797234, - "min": 3473.3300000061718, - "p50": 3864.1649999954097, - "p75": 4041.0399999927904, - "p99": 15699.375000003783, - "max": 15699.375000003783, - "stddev": 2435.5650720590793, - "rme": 22.41472453702982, + "nsPerUnit": 2708.7500000016007, + "unitsPerSec": 369173.9732346688, + "min": 2428.954999995767, + "p50": 2708.7500000016007, + "p75": 3280.2100000026257, + "p99": 11275.210000003428, + "max": 11275.210000003428, + "stddev": 1742.5865610982764, + "rme": 22.182617288967, "fingerprint": "b6263c6c4e3cf548" }, + { + "name": "subscription/clearinghouseState_frame_dispatch_e2e", + "group": "subscription", + "description": "End-to-end dispatch of a raw clearinghouseState frame (mainnet-sized payload) from socket JSON text to the subscribed listener", + "unit": "frame", + "samples": 10, + "iterations": 1, + "unitsPerIteration": 500, + "nsPerUnit": 7438.249999999244, + "unitsPerSec": 134440.2245151886, + "min": 6718.250000001717, + "p50": 7438.249999999244, + "p75": 7671.99999999866, + "p99": 11050.834000001487, + "max": 11050.834000001487, + "stddev": 1192.2875398545914, + "rme": 10.97995931369781, + "fingerprint": "d20b08c4484d84d6", + "extra": { + "deliveredPerTick": 1 + } + }, + { + "name": "subscription/spotState_frame_dispatch_e2e", + "group": "subscription", + "description": "End-to-end dispatch of a raw spotState frame (mainnet-sized payload) from socket JSON text to the subscribed listener", + "unit": "frame", + "samples": 10, + "iterations": 1, + "unitsPerIteration": 500, + "nsPerUnit": 4878.500000002532, + "unitsPerSec": 204981.03925376263, + "min": 4541.08400000041, + "p50": 4878.500000002532, + "p75": 5122.667999999976, + "p99": 7619.750000001659, + "max": 7619.750000001659, + "stddev": 912.253158591081, + "rme": 12.70833503648206, + "fingerprint": "50d26b6e8352c5ca", + "extra": { + "deliveredPerTick": 1 + } + }, + { + "name": "subscription/webData3_frame_dispatch_e2e", + "group": "subscription", + "description": "End-to-end dispatch of a raw webData3 frame (mainnet-sized payload) from socket JSON text to the subscribed listener", + "unit": "frame", + "samples": 10, + "iterations": 1, + "unitsPerIteration": 500, + "nsPerUnit": 1301.4159999984258, + "unitsPerSec": 768393.8110498177, + "min": 1232.7499999992142, + "p50": 1301.4159999984258, + "p75": 1361.165999998775, + "p99": 1372.166000001016, + "max": 1372.166000001016, + "stddev": 47.072295463296435, + "rme": 2.5594251411808657, + "fingerprint": "9ec3492b4bbaf905", + "extra": { + "deliveredPerTick": 1 + } + }, + { + "name": "subscription/user_dispatch_15_users", + "group": "subscription", + "description": "clearinghouseState dispatch with 14 users on one channel; a frame for one user must run exactly one listener (BY_USER route)", + "unit": "frame", + "samples": 10, + "iterations": 1, + "unitsPerIteration": 500, + "nsPerUnit": 7516.4999999979045, + "unitsPerSec": 133040.64391675364, + "min": 6748.834000001807, + "p50": 7516.4999999979045, + "p75": 7665.750000000116, + "p99": 10238.084000000526, + "max": 10238.084000000526, + "stddev": 981.1233506382131, + "rme": 9.14454005744354, + "fingerprint": "14c24cd88274c2dd", + "extra": { + "deliveredPerTick": 1 + } + }, + { + "name": "subscription/subscribe_user_trio", + "group": "subscription", + "description": "Cost of establishing the three account subscriptions (clearinghouseState + spotState + webData3) for one user — the calls a feed makes at session start and on every reconnect", + "unit": "subscription", + "samples": 25, + "iterations": 1, + "unitsPerIteration": 3, + "nsPerUnit": 14458.333333095652, + "unitsPerSec": 69164.26513081999, + "min": 11235.999999674581, + "p50": 14458.333333095652, + "p75": 16416.666666676367, + "p99": 33930.33333365262, + "max": 33930.33333365262, + "stddev": 4974.277832924477, + "rme": 12.878367672687286, + "fingerprint": "32cc935cab71f6c2" + }, { "name": "signing/sign_l1_action_order_1_wasm", "group": "signing", @@ -794,15 +901,15 @@ "samples": 10, "iterations": 50, "unitsPerIteration": 1, - "nsPerUnit": 74134.15999999415, - "unitsPerSec": 13489.058215538947, - "min": 72819.99999999243, - "p50": 74134.15999999415, - "p75": 75254.99999999738, - "p99": 76576.65999999153, - "max": 76576.65999999153, - "stddev": 1101.2580524547807, - "rme": 1.058303789338951, + "nsPerUnit": 60912.5000000131, + "unitsPerSec": 16416.99158628828, + "min": 57422.499999993306, + "p50": 60912.5000000131, + "p75": 62724.99999999126, + "p99": 63354.160000017146, + "max": 63354.160000017146, + "stddev": 1969.7820877379763, + "rme": 2.309674035901903, "fingerprint": "8fb87a5afd711771" }, { @@ -813,15 +920,15 @@ "samples": 15, "iterations": 200, "unitsPerIteration": 1, - "nsPerUnit": 3905.000000004293, - "unitsPerSec": 256081.94622250978, - "min": 3785.4150000021036, - "p50": 3905.000000004293, - "p75": 4017.2900000015943, - "p99": 17088.544999996884, - "max": 17088.544999996884, - "stddev": 3401.5252488604833, - "rme": 39.22681242792038, + "nsPerUnit": 2910.0000000016735, + "unitsPerSec": 343642.61168365116, + "min": 2813.125000002401, + "p50": 2910.0000000016735, + "p75": 2994.584999996732, + "p99": 3281.25, + "max": 3281.25, + "stddev": 129.98729388610943, + "rme": 2.4508746813869045, "fingerprint": "d6f28468a96f8253" }, { @@ -832,15 +939,15 @@ "samples": 15, "iterations": 2000, "unitsPerIteration": 1, - "nsPerUnit": 982.8335000001971, - "unitsPerSec": 1017466.3358542413, - "min": 963.9794999993684, - "p50": 982.8335000001971, - "p75": 999.1664999997738, - "p99": 1032.749999999396, - "max": 1032.749999999396, - "stddev": 19.972882830251695, - "rme": 1.1182720617328907, + "nsPerUnit": 764.4169999994118, + "unitsPerSec": 1308186.5003012354, + "min": 714.125000000422, + "p50": 764.4169999994118, + "p75": 773.50000000024, + "p99": 1848.9584999997533, + "max": 1848.9584999997533, + "stddev": 283.4271115341867, + "rme": 18.959535354559005, "fingerprint": "6f8c9d3fb30f33bb" }, { @@ -851,15 +958,15 @@ "samples": 15, "iterations": 100, "unitsPerIteration": 100, - "nsPerUnit": 335.0249999999505, - "unitsPerSec": 2984851.8767260583, - "min": 327.92090000002645, - "p50": 335.0249999999505, - "p75": 338.2332999999562, - "p99": 573.4709000000294, - "max": 573.4709000000294, - "stddev": 61.89677670624819, - "rme": 9.786020212318455, + "nsPerUnit": 249.1250000000946, + "unitsPerSec": 4014049.172100834, + "min": 232.61250000014115, + "p50": 249.1250000000946, + "p75": 252.0915999999488, + "p99": 286.9957999999315, + "max": 286.9957999999315, + "stddev": 12.823740296962635, + "rme": 2.8572783425183594, "fingerprint": "00eb2dd7c8a228b1" }, { @@ -870,15 +977,15 @@ "samples": 15, "iterations": 5000, "unitsPerIteration": 1, - "nsPerUnit": 1415.3416000001016, - "unitsPerSec": 706543.2119001718, - "min": 1350.4750000000058, - "p50": 1415.3416000001016, - "p75": 2093.491599999834, - "p99": 3096.599999999671, - "max": 3096.599999999671, - "stddev": 506.0853080023928, - "rme": 16.82715303946655, + "nsPerUnit": 913.0582000001597, + "unitsPerSec": 1095220.4361122053, + "min": 847.399999999834, + "p50": 913.0582000001597, + "p75": 932.9583999999159, + "p99": 1285.533199999918, + "max": 1285.533199999918, + "stddev": 100.98934347170832, + "rme": 5.971451159971633, "fingerprint": "d2b32bb77a5788e5" }, { @@ -889,15 +996,15 @@ "samples": 15, "iterations": 5000, "unitsPerIteration": 1, - "nsPerUnit": 1547.899999999936, - "unitsPerSec": 646036.5656696436, - "min": 1444.1834000001109, - "p50": 1547.899999999936, - "p75": 2152.6584000002913, - "p99": 2327.8166000000056, - "max": 2327.8166000000056, - "stddev": 331.10024613463827, - "rme": 10.66149705091614, + "nsPerUnit": 1032.574999999997, + "unitsPerSec": 968452.6547708426, + "min": 979.0918000002422, + "p50": 1032.574999999997, + "p75": 1063.1915999998455, + "p99": 1372.0915999998397, + "max": 1372.0915999998397, + "stddev": 91.91567553022611, + "rme": 4.814397855156273, "fingerprint": "afdcbc4159893d3c" } ] diff --git a/tests/perf/run.ts b/tests/perf/run.ts index 92324f5e..50a5c50e 100644 --- a/tests/perf/run.ts +++ b/tests/perf/run.ts @@ -28,11 +28,13 @@ import { formatNs, type PerfReport, registeredScenarios, runScenario, type Scena // --- Scenario registration ------------------------------------------------- // Importing a module registers its scenarios. Keep this list alphabetical. import "./scenarios/data_parse.ts"; +import "./scenarios/fast_asset_ctxs.ts"; import "./scenarios/signing.ts"; import "./scenarios/subscription.ts"; import "./scenarios/symbol_converter.ts"; import "./scenarios/transaction.ts"; import "./scenarios/transport.ts"; +import "./scenarios/user_account_channels.ts"; /** Reads a `--flag value` pair from the argument list. */ function flag(args: readonly string[], name: string): string | undefined { diff --git a/tests/perf/scenarios/fast_asset_ctxs.ts b/tests/perf/scenarios/fast_asset_ctxs.ts new file mode 100644 index 00000000..15857179 --- /dev/null +++ b/tests/perf/scenarios/fast_asset_ctxs.ts @@ -0,0 +1,113 @@ +/** + * `fastAssetCtxs` decompression throughput: the heaviest per-frame work in the SDK. + * + * Every frame on this channel arrives as base64 + raw DEFLATE (RFC 1951) and must be decoded, + * inflated and JSON-parsed before the listener sees it. Nothing else in the receive path does + * per-frame work on that scale, and until this scenario existed the whole pipeline was unmeasured — + * a rework of the decode path could regress throughput without any gate noticing. + * + * Two shapes are measured because they stress different halves of the pipeline. The snapshot + * (the first frame after subscribing, every coin present) is dominated by inflate and JSON.parse + * throughput. The delta (later frames, only the coins that moved) is dominated by fixed per-frame + * overhead, so it is the one that shows any per-frame machinery the decode path allocates. + * + * These run against {@linkcode MockWebSocket} with pre-compressed frame text, so the measurement + * starts at the socket and no network or compression cost is billed to the scenario. + * @module + */ + +import { deflateRawSync } from "node:zlib"; +import { SubscriptionClient, WebSocketTransport } from "@bloxwap/hyperliquid"; +import { scenario } from "../_harness.ts"; +import { installMockWebSocket, lastMockWebSocket, type MockWebSocket, restoreWebSocket } from "../_helpers.ts"; + +/** Coins in a full snapshot frame — approximately a live perp universe. */ +const SNAPSHOT_COINS = 320; +/** Coins in a delta frame — only the assets whose price moved since the last push. */ +const DELTA_COINS = 6; + +/** + * Frames per measured sample, sized per shape so both samples take comparable wall-clock: the + * snapshot frame costs over an order of magnitude more than the delta, and too few delta frames + * per sample leaves the measurement dominated by scheduling variance rather than decode cost. + */ +const SNAPSHOT_FRAMES = 100; +const DELTA_FRAMES = 2000; + +interface DecompressContext { + transport: WebSocketTransport; + socket: MockWebSocket; + /** `onComplete` is armed per sample and fired by the listener on the final frame. */ + counter: { delivered: number; onComplete: (() => void) | undefined }; + frameText: string; +} + +/** Builds the wire frame the server would push: base64 of raw-DEFLATE'd JSON, wrapped in a channel envelope. */ +function buildFrame(coinCount: number): string { + const ctxs: Record = {}; + for (let i = 0; i < coinCount; i++) { + ctxs[`COIN${i}`] = { markPx: (1000 + i * 1.37).toFixed(4), midPx: (1000 + i * 1.36).toFixed(4) }; + } + const compressed = Buffer.from(deflateRawSync(Buffer.from(JSON.stringify(ctxs)))).toString("base64"); + return JSON.stringify({ channel: "fastAssetCtxs", data: compressed }); +} + +/** + * The listener chain is asynchronous (decompression is queued so frames stay in arrival order), + * so a sample is only complete once every injected frame has been delivered. + */ +function makeScenario(name: string, coinCount: number, frames: number, description: string): void { + scenario({ + name, + group: "subscription", + description, + unit: "frame", + unitsPerIteration: frames, + iterations: 1, + setup: async (): Promise => { + installMockWebSocket(); + const transport = new WebSocketTransport({ url: "wss://perf.local/ws" }); + await transport.ready(); + const socket = lastMockWebSocket(); + + const counter: DecompressContext["counter"] = { delivered: 0, onComplete: undefined }; + const client = new SubscriptionClient({ transport }); + await client.fastAssetCtxs(() => { + if (++counter.delivered === frames) counter.onComplete?.(); + }); + + return { transport, socket, counter, frameText: buildFrame(coinCount) }; + }, + run: async ({ socket, counter, frameText }: DecompressContext) => { + counter.delivered = 0; + // Settles on the last delivery. Timer-based draining would bill a macrotask hop to every + // sample, which on the small delta frame is larger than the work being measured. + const drained = new Promise((resolve) => { + counter.onComplete = resolve; + }); + for (let i = 0; i < frames; i++) { + socket.dispatchEvent(new MessageEvent("message", { data: frameText })); + } + await drained; + return { deliveredPerTick: counter.delivered / frames }; + }, + teardown: ({ transport }: DecompressContext) => { + transport.close(); + restoreWebSocket(); + }, + }); +} + +makeScenario( + "fast_asset_ctxs_snapshot_decompress", + SNAPSHOT_COINS, + SNAPSHOT_FRAMES, + `End-to-end fastAssetCtxs delivery of a full ${SNAPSHOT_COINS}-coin snapshot frame: base64 decode, raw inflate and JSON parse`, +); + +makeScenario( + "fast_asset_ctxs_delta_decompress", + DELTA_COINS, + DELTA_FRAMES, + `End-to-end fastAssetCtxs delivery of a ${DELTA_COINS}-coin delta frame: dominated by fixed per-frame decode overhead`, +); diff --git a/tests/perf/scenarios/user_account_channels.ts b/tests/perf/scenarios/user_account_channels.ts new file mode 100644 index 00000000..904a8600 --- /dev/null +++ b/tests/perf/scenarios/user_account_channels.ts @@ -0,0 +1,249 @@ +/** + * User-account channel dispatch: the frames a balance/position feed lives on. + * + * The channels that replaced the retired aggregate `webData2` — `clearinghouseState` + * (main-perp clearing), `spotState` (spot balances), and `webData3` (account metadata incl. + * abstraction mode) — are the hot path of every consumer that shows a user their money, so + * their end-to-end dispatch cost is benchmarked directly: raw JSON text on the socket through + * parse, route-key derivation, and user-filtered delivery to the subscribed listener. + * + * `user_dispatch_50_users` proves the `BY_USER` route: with K users subscribed on one channel, + * a frame for one user runs exactly one listener (`deliveredPerTick` = 1) — the property that + * lets consumers delete their hand-rolled stale-frame guards. + * + * `subscribe_user_trio` measures establishing the three account subscriptions for one user — + * the calls a feed makes at session start and on every reconnect. + * @module + */ + +import { SubscriptionClient, WebSocketTransport } from "@bloxwap/hyperliquid"; +import { scenario } from "../_harness.ts"; +import { installMockWebSocket, lastMockWebSocket, type MockWebSocket, restoreWebSocket } from "../_helpers.ts"; + +/** Frames injected per measured sample. */ +const FRAMES = 500; +/** Open positions in the clearinghouseState frame. */ +const POSITIONS = 10; +/** Token balances in the spotState frame. */ +const BALANCES = 20; +/** + * Users sharing the channel in the BY_USER routing scenario, in addition to the target user. + * The server tracks at most 15 unique users per connection (mirrored client-side by + * `MAX_UNIQUE_USERS`), so 14 + the target saturates the allowed crowd exactly. + */ +const USER_SUBSCRIPTIONS = 14; + +const USER = "0x1111111111111111111111111111111111111111" as const; + +interface FrameDispatchContext { + transport: WebSocketTransport; + socket: MockWebSocket; + counter: { delivered: number }; + /** The raw frame text, serialized once in setup. */ + frameText: string; +} + +/** One open position, shaped like the mainnet `clearinghouseState` payload. */ +function position(i: number): unknown { + return { + type: "oneWay", + position: { + coin: `PERF${i}`, + szi: i % 2 === 0 ? "1.5" : "-0.75", + leverage: { type: "cross", value: 20 }, + entryPx: `${30_000 + i}`, + positionValue: `${45_000 + i * 100}`, + unrealizedPnl: `${(i - POSITIONS / 2) * 12.5}`, + returnOnEquity: "0.0313", + liquidationPx: null, + marginUsed: `${2_250 + i * 5}`, + maxLeverage: 25, + cumFunding: { allTime: "18.44", sinceOpen: "-2.11", sinceChange: "0.03" }, + }, + }; +} + +/** The three account frames, serialized once so a sample measures dispatch, not stringify. */ +const FRAME_TEXTS = { + clearinghouseState: JSON.stringify({ + channel: "clearinghouseState", + data: { + dex: "", + user: USER, + clearinghouseState: { + marginSummary: { + accountValue: "152340.77", + totalNtlPos: "98450.12", + totalRawUsd: "121100.55", + totalMarginUsed: "4922.51", + }, + crossMarginSummary: { + accountValue: "152340.77", + totalNtlPos: "98450.12", + totalRawUsd: "121100.55", + totalMarginUsed: "4922.51", + }, + crossMaintenanceMarginUsed: "1230.63", + withdrawable: "147418.26", + assetPositions: Array.from({ length: POSITIONS }, (_, i) => position(i)), + time: 1_700_000_000_000, + }, + }, + }), + spotState: JSON.stringify({ + channel: "spotState", + data: { + user: USER, + spotState: { + balances: Array.from({ length: BALANCES }, (_, i) => ({ + coin: i === 0 ? "USDC" : `TOKEN${i}`, + token: i, + total: `${1_000 + i * 7.25}`, + hold: `${i % 3}`, + entryNtl: `${900 + i * 6.5}`, + })), + }, + }, + }), + webData3: JSON.stringify({ + channel: "webData3", + data: { + userState: { + agentAddress: null, + agentValidUntil: null, + cumLedger: "152340.77", + serverTime: 1_700_000_000_000, + isVault: false, + user: USER, + abstraction: "disabled", + }, + perpDexStates: [{ totalVaultEquity: "0.0" }], + }, + }), +} as const; + +type AccountChannel = keyof typeof FRAME_TEXTS; + +/** + * Registers an end-to-end dispatch scenario for one account channel: subscribes one user, + * then times raw frame text through the socket's parse and routing to the listener. + * `deliveredPerTick` must stay 1 — below 1 means the route or the method's own filter + * dropped a frame meant for us. + */ +function frameDispatchScenario( + channel: AccountChannel, + subscribe: (client: SubscriptionClient, listener: () => void) => Promise, +): void { + scenario({ + name: `subscription/${channel}_frame_dispatch_e2e`, + group: "subscription", + description: + `End-to-end dispatch of a raw ${channel} frame ` + + `(mainnet-sized payload) from socket JSON text to the subscribed listener`, + unit: "frame", + unitsPerIteration: FRAMES, + iterations: 1, + samples: 10, + setup: async (): Promise => { + installMockWebSocket(); + const transport = new WebSocketTransport({ url: "wss://perf.local/ws" }); + await transport.ready(); + const socket = lastMockWebSocket(); + + const counter = { delivered: 0 }; + const client = new SubscriptionClient({ transport }); + await subscribe(client, () => counter.delivered++); + + return { transport, socket, counter, frameText: FRAME_TEXTS[channel] }; + }, + run: ({ socket, counter, frameText }: FrameDispatchContext) => { + counter.delivered = 0; + for (let i = 0; i < FRAMES; i++) { + socket.dispatchEvent(new MessageEvent("message", { data: frameText })); + } + return { deliveredPerTick: counter.delivered / FRAMES }; + }, + teardown: ({ transport }: FrameDispatchContext) => { + transport.close(); + restoreWebSocket(); + }, + }); +} + +frameDispatchScenario("clearinghouseState", (client, listener) => client.clearinghouseState({ user: USER }, listener)); + +frameDispatchScenario("spotState", (client, listener) => client.spotState({ user: USER }, listener)); + +frameDispatchScenario("webData3", (client, listener) => client.webData3({ user: USER }, listener)); + +scenario({ + name: "subscription/user_dispatch_15_users", + group: "subscription", + description: + `clearinghouseState dispatch with ${USER_SUBSCRIPTIONS} users on one channel; ` + + `a frame for one user must run exactly one listener (BY_USER route)`, + unit: "frame", + unitsPerIteration: FRAMES, + iterations: 1, + samples: 10, + setup: async (): Promise => { + installMockWebSocket(); + const transport = new WebSocketTransport({ url: "wss://perf.local/ws" }); + await transport.ready(); + const socket = lastMockWebSocket(); + + const counter = { delivered: 0 }; + const client = new SubscriptionClient({ transport }); + for (let i = 0; i < USER_SUBSCRIPTIONS; i++) { + const user = `0x${String(i + 2).padStart(40, "0")}` as `0x${string}`; + await client.clearinghouseState({ user }, () => counter.delivered++); + } + // The frame targets USER, distinct from all of the above: exactly one subscription is + // genuinely interested, so `deliveredPerTick` must be 1 despite the crowd on the channel. + await client.clearinghouseState({ user: USER }, () => counter.delivered++); + + return { transport, socket, counter, frameText: FRAME_TEXTS.clearinghouseState }; + }, + run: ({ socket, counter, frameText }: FrameDispatchContext) => { + counter.delivered = 0; + for (let i = 0; i < FRAMES; i++) { + socket.dispatchEvent(new MessageEvent("message", { data: frameText })); + } + return { deliveredPerTick: counter.delivered / FRAMES }; + }, + teardown: ({ transport }: FrameDispatchContext) => { + transport.close(); + restoreWebSocket(); + }, +}); + +scenario({ + name: "subscription/subscribe_user_trio", + group: "subscription", + description: + "Cost of establishing the three account subscriptions (clearinghouseState + spotState + webData3) " + + "for one user — the calls a feed makes at session start and on every reconnect", + unit: "subscription", + unitsPerIteration: 3, + iterations: 1, + samples: 25, + warmupSamples: 3, + setup: () => { + installMockWebSocket(); + }, + run: async () => { + // A fresh transport per sample: subscription state accumulates, and the per-subscribe + // cost this scenario measures is a function of how many already exist. + const transport = new WebSocketTransport({ url: "wss://perf.local/ws" }); + await transport.ready(); + const client = new SubscriptionClient({ transport }); + + await client.clearinghouseState({ user: USER }, () => {}); + await client.spotState({ user: USER }, () => {}); + await client.webData3({ user: USER }, () => {}); + transport.close(); + }, + teardown: () => { + restoreWebSocket(); + }, +}); diff --git a/tests/transport/_polyfills.test.ts b/tests/transport/_polyfills.test.ts index 1ec79c20..e71425d4 100644 --- a/tests/transport/_polyfills.test.ts +++ b/tests/transport/_polyfills.test.ts @@ -2,11 +2,11 @@ * Tests for the platform shims: the native pass-throughs used on Node/Bun/browser, and the * fallback implementations selected on platforms missing the API (mainly React Native). * - * The fallbacks are chosen once at module evaluation, so covering them takes a fresh module - * instance: the platform globals are deleted and the module is re-imported through a - * cache-busting query string (`_polyfills.ts?…`), which Bun treats as a distinct module record. - * The globals are restored before the test ends, and the re-import never touches the instance - * the rest of the SDK already holds, so no other test observes the simulated platform. + * The fallbacks for DOMException/CustomEvent are chosen once at module evaluation, so covering + * them takes a fresh module instance: the platform globals are deleted and the module is + * re-imported through a cache-busting query string (`_polyfills.ts?…`), which Bun treats as a + * distinct module record. `Promise_.withResolvers` dispatches at call time, so its fallback can + * be exercised on the primary module by temporarily deleting `Promise.withResolvers`. * @module */ @@ -27,6 +27,19 @@ describe("platform shims on a full platform", () => { await expect(promise).rejects.toThrow("nope"); }); + test("Promise_.withResolvers() falls back when Promise.withResolvers is missing", async () => { + const original = Promise.withResolvers; + delete (Promise as unknown as Record).withResolvers; + try { + const { promise, resolve, reject } = Promise_.withResolvers(); + expect(typeof reject).toBe("function"); + resolve(7); + expect(await promise).toBe(7); + } finally { + Promise.withResolvers = original; + } + }); + test("DOMException_ and CustomEvent_ are the native classes", () => { expect(DOMException_).toBe(globalThis.DOMException); expect(CustomEvent_).toBe(globalThis.CustomEvent); diff --git a/tests/transport/http/mod.test.ts b/tests/transport/http/mod.test.ts index 19181c37..6e26fc2b 100644 --- a/tests/transport/http/mod.test.ts +++ b/tests/transport/http/mod.test.ts @@ -172,6 +172,25 @@ describe("HttpTransport", () => { await assertRejects(() => transport.request("info", {}), HttpRequestError); }); + test("non-200 status tolerates a body that fails to read", async () => { + // Covers `response.text().catch(() => undefined)` on the error path. + mockFetch( + () => + new Response( + new ReadableStream({ + start(controller) { + controller.error(new Error("body gone")); + }, + }), + { status: 500, headers: { "Content-Type": "text/plain" } }, + ), + ); + + const transport = new HttpTransport(); + const error = await assertRejects(() => transport.request("info", {}), HttpRequestError); + assertEquals(error.status, 500); + }); + test("invalid Content-Type throws HttpRequestError", async () => { mockFetch(() => new Response("", { status: 200, headers: { "Content-Type": "text/html" } })); diff --git a/tests/transport/websocket/_events.test.ts b/tests/transport/websocket/_events.test.ts index 23dfc47f..956df174 100644 --- a/tests/transport/websocket/_events.test.ts +++ b/tests/transport/websocket/_events.test.ts @@ -265,5 +265,241 @@ describe("HyperliquidEventTarget", () => { assertEquals(calls, 1); }); + + test("addEventListener({ once: true }) fires once then detaches (function listener)", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + + let calls = 0; + target.addEventListener("testChannel", () => calls++, { once: true }); + + dispatchMessage(socket, JSON.stringify({ channel: "testChannel", data: { n: 1 } })); + dispatchMessage(socket, JSON.stringify({ channel: "testChannel", data: { n: 2 } })); + assertEquals(calls, 1); + }); + + test("addEventListener({ once: true }) fires once then detaches (EventListenerObject)", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + + let calls = 0; + const listener: EventListenerObject = { + handleEvent() { + calls++; + }, + }; + target.addEventListener("testChannel", listener, { once: true }); + + dispatchMessage(socket, JSON.stringify({ channel: "testChannel", data: {} })); + dispatchMessage(socket, JSON.stringify({ channel: "testChannel", data: {} })); + assertEquals(calls, 1); + }); + + test("addEventListener with an already-aborted signal never delivers", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + const signal = AbortSignal.abort(); + + let calls = 0; + target.addEventListener("testChannel", () => calls++, { signal }); + dispatchMessage(socket, JSON.stringify({ channel: "testChannel", data: {} })); + assertEquals(calls, 0); + }); + + test("addEventListener signal abort detaches a live listener", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + const controller = new AbortController(); + + let calls = 0; + target.addEventListener("testChannel", () => calls++, { signal: controller.signal }); + dispatchMessage(socket, JSON.stringify({ channel: "testChannel", data: {} })); + assertEquals(calls, 1); + + controller.abort(); + dispatchMessage(socket, JSON.stringify({ channel: "testChannel", data: {} })); + assertEquals(calls, 1); + }); + + test("null listener is a no-op for add and remove", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + target.addEventListener("testChannel", null); + target.removeEventListener("testChannel", null); + // No throw, and no listener to fire. + dispatchMessage(socket, JSON.stringify({ channel: "testChannel", data: {} })); + }); + + test("EventListenerObject is invoked via handleEvent on single- and multi-listener channels", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + + let a = 0; + let b = 0; + target.addEventListener("solo", { + handleEvent() { + a++; + }, + }); + target.addEventListener("multi", { + handleEvent() { + b++; + }, + }); + target.addEventListener("multi", () => b++); + + dispatchMessage(socket, JSON.stringify({ channel: "solo", data: {} })); + dispatchMessage(socket, JSON.stringify({ channel: "multi", data: {} })); + assertEquals(a, 1); + assertEquals(b, 2); + }); + }); + + describe("listener registry", () => { + /** Dispatches on `channel` and returns the labels the listeners recorded. */ + function emit(socket: WebSocket, channel: string): void { + dispatchMessage(socket, JSON.stringify({ channel, data: {} })); + } + + test("fan-out follows registration order", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + const seen: string[] = []; + for (const name of ["a", "b", "c"]) target.addEventListener("chan", () => seen.push(name)); + + emit(socket, "chan"); + assertEquals(seen, ["a", "b", "c"]); + }); + + test("registering the same listener twice fires it once", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + let calls = 0; + const listener = (): void => { + calls++; + }; + target.addEventListener("chan", listener); + target.addEventListener("chan", listener); + + emit(socket, "chan"); + assertEquals(calls, 1); + }); + + test("a listener unsubscribed by an earlier listener does not receive the in-flight frame", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + const seen: string[] = []; + const second = (): void => { + seen.push("second"); + }; + target.addEventListener("chan", () => { + seen.push("first"); + target.removeEventListener("chan", second); + }); + target.addEventListener("chan", second); + + emit(socket, "chan"); + // Matches EventTarget: removal during dispatch takes effect immediately. + assertEquals(seen, ["first"]); + }); + + test("a listener added during dispatch skips the in-flight frame and runs on the next", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + const seen: string[] = []; + let added = false; + target.addEventListener("chan", () => { + seen.push("first"); + if (added) return; + added = true; + target.addEventListener("chan", () => seen.push("late")); + }); + + emit(socket, "chan"); + assertEquals(seen, ["first"]); + emit(socket, "chan"); + assertEquals(seen, ["first", "first", "late"]); + }); + + test("a listener that removes itself stops receiving frames", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + let calls = 0; + const self = (): void => { + calls++; + target.removeEventListener("chan", self); + }; + target.addEventListener("chan", self); + + emit(socket, "chan"); + emit(socket, "chan"); + assertEquals(calls, 1); + }); + + test("removing listeners down to one and back up keeps the right set live", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + const seen: string[] = []; + const a = (): void => void seen.push("a"); + const b = (): void => void seen.push("b"); + const c = (): void => void seen.push("c"); + + target.addEventListener("chan", a); + target.addEventListener("chan", b); + target.addEventListener("chan", c); + target.removeEventListener("chan", b); // 3 listeners -> 2 + emit(socket, "chan"); + target.removeEventListener("chan", a); // 2 -> 1, back to the unboxed form + emit(socket, "chan"); + target.removeEventListener("chan", c); // 1 -> 0, entry dropped + emit(socket, "chan"); + target.addEventListener("chan", a); // re-registering from empty + emit(socket, "chan"); + + assertEquals(seen, ["a", "c", "c", "a"]); + }); + + test("removing a listener that was never registered leaves the live one alone", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + const seen: string[] = []; + const live = (): void => void seen.push("live"); + target.addEventListener("chan", live); + + target.removeEventListener("chan", () => {}); + target.removeEventListener("otherChan", live); + + emit(socket, "chan"); + assertEquals(seen, ["live"]); + }); + + test("`once` fires exactly one frame", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + let calls = 0; + target.addEventListener("chan", () => calls++, { once: true }); + + emit(socket, "chan"); + emit(socket, "chan"); + assertEquals(calls, 1); + }); + + test("an AbortSignal detaches the listener, and an already-aborted one never attaches", () => { + const socket = createFakeSocket(); + const target = new HyperliquidEventTarget(socket); + + const controller = new AbortController(); + let live = 0; + target.addEventListener("chan", () => live++, { signal: controller.signal }); + emit(socket, "chan"); + controller.abort(); + emit(socket, "chan"); + assertEquals(live, 1); + + let never = 0; + target.addEventListener("chan", () => never++, { signal: AbortSignal.abort() }); + emit(socket, "chan"); + assertEquals(never, 0); + }); }); }); diff --git a/tests/transport/websocket/_keepAlive.test.ts b/tests/transport/websocket/_keepAlive.test.ts index 4c5a7743..3f3e6d2e 100644 --- a/tests/transport/websocket/_keepAlive.test.ts +++ b/tests/transport/websocket/_keepAlive.test.ts @@ -68,6 +68,29 @@ describe("WebSocketKeepAlive", () => { assertEquals(socket.sentMessages.length, sentBeforeTick); }); + test("a socket error also clears the watchdog", () => { + const { socket } = createKeepAlive(); + + socket.open(); + time.tick(5_000); + // The error listener is a distinct arrow from the close handler — both call `_stop`. + socket.dispatchEvent(new Event("error")); + + const sentBeforeTick = socket.sentMessages.length; + time.tick(60_000); + assertEquals(socket.reconnectCalls, 0); + assertEquals(socket.sentMessages.length, sentBeforeTick); + }); + + test("a second open while the interval is armed is a no-op", () => { + const { socket } = createKeepAlive(); + socket.open(); + // Re-fire open: `_start` early-returns when the interval is already set. + socket.dispatchEvent(new Event("open")); + time.tick(5_000); + assertEquals(getLastSent(socket).method, "ping"); + }); + test("honors custom interval and timeout", () => { const { socket } = createKeepAlive({ interval: 5_000, timeout: 1_000 }); diff --git a/tests/transport/websocket/_reconnectingSocket.test.ts b/tests/transport/websocket/_reconnectingSocket.test.ts index c0cab3a2..794ae009 100644 --- a/tests/transport/websocket/_reconnectingSocket.test.ts +++ b/tests/transport/websocket/_reconnectingSocket.test.ts @@ -148,6 +148,66 @@ describe("ReconnectingWebSocket", () => { ws.close(); }); + test("delivers frames to the internal hook and to public listeners independently", () => { + const ws = createSocket(); + lastSocket().serverOpen(); + + // The internal hook is how the SDK's own frame consumer reads every frame. + const hooked: unknown[] = []; + (ws as unknown as { _onFrame: (data: unknown) => void })._onFrame = (data) => hooked.push(data); + + // With no public `message` listener, the hook still sees every frame. + lastSocket().serverMessage("only-hook"); + assertEquals(hooked, ["only-hook"]); + + // Adding a public listener must not disturb the hook, and must receive frames itself. + const seen: unknown[] = []; + const listener = (event: MessageEvent): void => void seen.push(event.data); + ws.addEventListener("message", listener); + lastSocket().serverMessage("both"); + assertEquals(hooked, ["only-hook", "both"]); + assertEquals(seen, ["both"]); + + // Removing it stops its deliveries while the hook keeps receiving. + ws.removeEventListener("message", listener); + lastSocket().serverMessage("hook-again"); + assertEquals(seen, ["both"]); + assertEquals(hooked, ["only-hook", "both", "hook-again"]); + + ws.close(); + }); + + test("the onmessage attribute handler still receives frames", () => { + const ws = createSocket(); + lastSocket().serverOpen(); + + const seen: unknown[] = []; + ws.onmessage = (event) => void seen.push(event.data); + lastSocket().serverMessage("via-attribute"); + assertEquals(seen, ["via-attribute"]); + + ws.onmessage = null; + lastSocket().serverMessage("after-clear"); + assertEquals(seen, ["via-attribute"]); + + ws.close(); + }); + + test("every public message listener receives the frame", () => { + const ws = createSocket(); + lastSocket().serverOpen(); + + const a: unknown[] = []; + const b: unknown[] = []; + ws.addEventListener("message", (event) => void a.push(event.data)); + ws.addEventListener("message", (event) => void b.push(event.data)); + lastSocket().serverMessage("fan-out"); + + assertEquals(a, ["fan-out"]); + assertEquals(b, ["fan-out"]); + ws.close(); + }); + test("resolves the url through an async factory before connecting", async () => { const ws = createSocket(() => Promise.resolve("ws://localhost/from-factory")); assertEquals(ws.url, "");