Add option to use nostr-wasm to verify events

.changeset/sixty-dancers-admire.md

@@ -0,0 +1,5 @@
+---
+"nostrudel": minor
+---
+
+Add option to use nostr-wasm to verify events

package.json

@@ -66,7 +66,8 @@
     "nanoid": "^5.0.4",
     "ngeohash": "^0.6.3",
     "nostr-idb": "^2.1.1",
-    "nostr-tools": "^2.4.0",
+    "nostr-tools": "^2.5.0",
+    "nostr-wasm": "^0.1.0",
     "react": "^18.2.0",
     "react-chartjs-2": "^5.2.0",
     "react-dom": "^18.2.0",

src/classes/relay-pool.ts

@@ -1,8 +1,9 @@
-import { AbstractRelay, verifyEvent } from "nostr-tools";
+import { AbstractRelay } from "nostr-tools";
 import { logger } from "../helpers/debug";
 import { validateRelayURL } from "../helpers/relay";
 import { offlineMode } from "../services/offline-mode";
 import Subject from "./subject";
+import verifyEventMethod from "../services/verify-event";
 
 export default class RelayPool {
   relays = new Map<string, AbstractRelay>();
@@ -28,7 +29,7 @@ export default class RelayPool {
     url = validateRelayURL(url);
     const key = url.toString();
     if (!this.relays.has(key)) {
-      const newRelay = new AbstractRelay(key, { verifyEvent });
+      const newRelay = new AbstractRelay(key, { verifyEvent: verifyEventMethod });
       this.relays.set(key, newRelay);
       this.onRelayCreated.next(newRelay);
     }

src/services/local-relay.ts

@@ -4,10 +4,7 @@ import { logger } from "../helpers/debug";
 import { safeRelayUrl } from "../helpers/relay";
 import WasmRelay from "./wasm-relay";
 import MemoryRelay from "../classes/memory-relay";
-
-function fakeVerify(event: NostrEvent): event is VerifiedEvent {
-  return (event[verifiedSymbol] = true);
-}
+import { fakeVerifyEvent } from "./verify-event";
 
 // save the local relay from query params to localStorage
 const params = new URLSearchParams(location.search);
@@ -22,7 +19,10 @@ if (paramRelay) {
 export const NOSTR_RELAY_TRAY_URL = "ws://localhost:4869/";
 export async function checkNostrRelayTray() {
   return new Promise((res) => {
-    const test = new AbstractRelay(NOSTR_RELAY_TRAY_URL, { verifyEvent: fakeVerify });
+    const test = new AbstractRelay(NOSTR_RELAY_TRAY_URL, {
+      // presume events from the cache are already verified
+      verifyEvent: fakeVerifyEvent,
+    });
     test
       .connect()
       .then(() => {
@@ -54,14 +54,14 @@ async function createRelay() {
     } else if (localRelayURL.startsWith("nostr-idb://")) {
       return createInternalRelay();
     } else if (safeRelayUrl(localRelayURL)) {
-      return new AbstractRelay(safeRelayUrl(localRelayURL)!, { verifyEvent: fakeVerify });
+      return new AbstractRelay(safeRelayUrl(localRelayURL)!, { verifyEvent: fakeVerifyEvent });
     }
   } else if (window.satellite) {
-    return new AbstractRelay(await window.satellite.getLocalRelay(), { verifyEvent: fakeVerify });
+    return new AbstractRelay(await window.satellite.getLocalRelay(), { verifyEvent: fakeVerifyEvent });
   } else if (window.CACHE_RELAY_ENABLED) {
     const protocol = location.protocol === "https:" ? "wss:" : "ws:";
     return new AbstractRelay(new URL(protocol + location.host + "/local-relay").toString(), {
-      verifyEvent: fakeVerify,
+      verifyEvent: fakeVerifyEvent,
     });
   }
   return createInternalRelay();

src/services/nostr-connect.ts

@@ -11,6 +11,7 @@ import createDefer, { Deferred } from "../classes/deferred";
 import { truncatedId } from "../helpers/nostr/event";
 import { NostrConnectAccount } from "./account";
 import { safeRelayUrl } from "../helpers/relay";
+import { alwaysVerify } from "./verify-event";
 
 export function isErrorResponse(response: any): response is NostrConnectErrorResponse {
   return !!response.error;
@@ -112,6 +113,7 @@ export class NostrConnectClient {
   private requests = new Map<string, Deferred<any>>();
   private auths = new Set<string>();
   async handleEvent(event: NostrEvent) {
+    if (!alwaysVerify(event)) return;
     if (this.provider && event.pubkey !== this.provider) return;
 
     const to = event.tags.find(isPTag)?.[1];

src/services/relay-stats.ts

@@ -8,6 +8,7 @@ import { localRelay } from "./local-relay";
 import { MONITOR_STATS_KIND, SELF_REPORTED_KIND, getRelayURL } from "../helpers/nostr/relay-stats";
 import relayPoolService from "./relay-pool";
 import { Filter } from "nostr-tools";
+import { alwaysVerify } from "./verify-event";
 
 const MONITOR_PUBKEY = "151c17c9d234320cf0f189af7b761f63419fd6c38c6041587a008b7682e4640f";
 const MONITOR_RELAY = "wss://history.nostr.watch";
@@ -24,6 +25,8 @@ class RelayStatsService {
   }
 
   handleEvent(event: NostrEvent, cache = true) {
+    if (!alwaysVerify(event)) return;
+
     // ignore all events before NIP-66 start date
     if (event.created_at < 1704196800) return;
 

src/services/replaceable-events.ts

@@ -12,6 +12,7 @@ import EventStore from "../classes/event-store";
 import Subject from "../classes/subject";
 import BatchKindLoader, { createCoordinate } from "../classes/batch-kind-loader";
 import relayPoolService from "./relay-pool";
+import { alwaysVerify } from "./verify-event";
 
 export type RequestOptions = {
   /** Always request the event from the relays */
@@ -43,6 +44,7 @@ class ReplaceableEventsService {
   dbLog = this.log.extend("database");
 
   handleEvent(event: NostrEvent, saveToCache = true) {
+    if (!alwaysVerify(event)) return;
     const cord = getEventCoordinate(event);
 
     const subject = this.subjects.get(cord);

src/services/settings/migrations.ts

@@ -10,6 +10,7 @@ export type AppSettingsV0 = {
   autoShowMedia: boolean;
   proxyUserMedia: boolean;
   showReactions: boolean;
+  /** @deprecated */
   showSignatureVerification: boolean;
 
   autoPayWithWebLN: boolean;
@@ -53,6 +54,7 @@ export const defaultSettings: AppSettings = {
   proxyUserMedia: false,
   loadOpenGraphData: true,
   showReactions: true,
+  /** @deprecated */
   showSignatureVerification: false,
   noteDifficulty: null,
 

src/services/verify-event/index.ts

@@ -0,0 +1,44 @@
+import { NostrEvent, VerifiedEvent, verifiedSymbol, verifyEvent } from "nostr-tools";
+import { logger } from "../../helpers/debug";
+
+const localStorageKey = "verify-event-method";
+
+const log = logger.extend("VerifyEvent");
+let selectedMethod = "default";
+let verifyEventMethod: typeof verifyEvent;
+let alwaysVerify: typeof verifyEvent;
+
+export function fakeVerifyEvent(event: NostrEvent): event is VerifiedEvent {
+  return (event[verifiedSymbol] = true);
+}
+
+try {
+  selectedMethod = localStorage.getItem(localStorageKey) ?? "default";
+
+  switch (selectedMethod) {
+    case "wasm":
+      if (!("WebAssembly" in window)) throw new Error("WebAssembly not supported");
+      log("Loading WebAssembly module");
+      verifyEventMethod = alwaysVerify = (await import("./wasm")).default;
+      log("Loaded");
+      break;
+    case "none":
+      log("Using fake verify event method");
+      verifyEventMethod = fakeVerifyEvent;
+      alwaysVerify = verifyEvent;
+      break;
+    case "default":
+    default:
+      log("Using nostr-tools default");
+      verifyEventMethod = alwaysVerify = verifyEvent;
+      break;
+  }
+} catch (error) {
+  console.error("Failed to initialize event verification method, falling back to default");
+  console.log(error);
+
+  verifyEventMethod = alwaysVerify = verifyEvent;
+}
+
+export { alwaysVerify, selectedMethod };
+export default verifyEventMethod;

src/services/verify-event/wasm.ts

@@ -0,0 +1,7 @@
+import { setNostrWasm, verifyEvent } from "nostr-tools/wasm";
+import { initNostrWasm } from "nostr-wasm";
+
+const wasm = await initNostrWasm();
+setNostrWasm(wasm);
+
+export default verifyEvent;

src/types/nostr-tools-wasm.d.ts

@@ -0,0 +1,3 @@
+declare module "nostr-tools/wasm" {
+  export * from "nostr-tools/lib/types/wasm.d.ts";
+}

src/views/settings/display-settings.tsx

@@ -40,7 +40,7 @@ export default function DisplaySettings() {
             <FormLabel htmlFor="theme" mb="0">
               Theme
             </FormLabel>
-            <Select id="theme" {...register("theme")}>
+            <Select id="theme" {...register("theme")} maxW="sm">
               <option value="default">Default</option>
               <option value="chakraui">ChakraUI</option>
             </Select>
@@ -49,7 +49,7 @@ export default function DisplaySettings() {
             <FormLabel htmlFor="colorMode" mb="0">
               Color Mode
             </FormLabel>
-            <Select id="colorMode" {...register("colorMode")}>
+            <Select id="colorMode" {...register("colorMode")} maxW="sm">
               <option value="system">System Default</option>
               <option value="light">Light</option>
               <option value="dark">Dark</option>
@@ -67,7 +67,7 @@ export default function DisplaySettings() {
             <FormLabel htmlFor="maxPageWidth" mb="0">
               Max Page width
             </FormLabel>
-            <Select id="maxPageWidth" {...register("maxPageWidth")}>
+            <Select id="maxPageWidth" {...register("maxPageWidth")} maxW="sm">
               <option value="none">None</option>
               <option value="md">Medium (~768px)</option>
               <option value="lg">Large (~992px)</option>
@@ -123,7 +123,12 @@ export default function DisplaySettings() {
             <FormLabel htmlFor="muted-words" mb="0">
               Muted words
             </FormLabel>
-            <Textarea id="muted-words" {...register("mutedWords")} placeholder="Broccoli, Spinach, Artichoke..." />
+            <Textarea
+              id="muted-words"
+              {...register("mutedWords")}
+              placeholder="Broccoli, Spinach, Artichoke..."
+              maxW="2xl"
+            />
             <FormHelperText>
               <span>
                 Comma separated list of words, phrases or hashtags you never want to see in notes. (case insensitive)

src/views/settings/performance-settings.tsx

@@ -13,10 +13,53 @@ import {
   Input,
   Link,
   FormErrorMessage,
+  Select,
+  Button,
+  Text,
 } from "@chakra-ui/react";
+import { useLocalStorage } from "react-use";
+
 import { safeUrl } from "../../helpers/parse";
 import { AppSettings } from "../../services/settings/migrations";
 import { PerformanceIcon } from "../../components/icons";
+import { selectedMethod } from "../../services/verify-event";
+
+function VerifyEventSettings() {
+  const [verifyEventMethod, setVerifyEventMethod] = useLocalStorage<string>("verify-event-method", "default", {
+    raw: true,
+  });
+
+  console.log(selectedMethod, verifyEventMethod);
+
+  return (
+    <>
+      <FormControl>
+        <FormLabel htmlFor="verifyEventMethod" mb="0">
+          Verify event method
+        </FormLabel>
+        <Select value={verifyEventMethod} onChange={(e) => setVerifyEventMethod(e.target.value)} maxW="sm">
+          <option value="default">Default</option>
+          <option value="wasm">WebAssembly</option>
+          <option value="none">None</option>
+        </Select>
+        <FormHelperText>Default: All events signatures are checked</FormHelperText>
+        <FormHelperText>WebAssembly: Events signatures are checked in a separate thread</FormHelperText>
+        <FormHelperText>None: Only Profiles, Follows, and replaceable event signatures are checked</FormHelperText>
+
+        {selectedMethod !== verifyEventMethod && (
+          <>
+            <Text color="blue.500" mt="2">
+              NOTE: You must reload the app for this setting to take effect
+            </Text>
+            <Button colorScheme="primary" size="sm" onClick={() => location.reload()}>
+              Reload App
+            </Button>
+          </>
+        )}
+      </FormControl>
+    </>
+  );
+}
 
 export default function PerformanceSettings() {
   const { register, formState } = useFormContext<AppSettings>();
@@ -86,15 +129,6 @@ export default function PerformanceSettings() {
             </Flex>
             <FormHelperText>Enabled: Show reactions on notes</FormHelperText>
           </FormControl>
-          <FormControl>
-            <Flex alignItems="center">
-              <FormLabel htmlFor="showSignatureVerification" mb="0">
-                Show signature verification
-              </FormLabel>
-              <Switch id="showSignatureVerification" {...register("showSignatureVerification")} />
-            </Flex>
-            <FormHelperText>Enabled: show signature verification on notes</FormHelperText>
-          </FormControl>
           <FormControl>
             <Flex alignItems="center">
               <FormLabel htmlFor="autoDecryptDMs" mb="0">
@@ -104,6 +138,7 @@ export default function PerformanceSettings() {
             </Flex>
             <FormHelperText>Enabled: automatically decrypt direct messages</FormHelperText>
           </FormControl>
+          <VerifyEventSettings />
         </Flex>
       </AccordionPanel>
     </AccordionItem>

src/views/tools/event-publisher/index.tsx

@@ -16,12 +16,13 @@ import {
   useDisclosure,
   useToast,
 } from "@chakra-ui/react";
+import { EventTemplate, NostrEvent, UnsignedEvent, getEventHash, verifyEvent } from "nostr-tools";
+import dayjs from "dayjs";
+
 import VerticalPageLayout from "../../../components/vertical-page-layout";
 import BackButton from "../../../components/router/back-button";
 import Play from "../../../components/icons/play";
 import EventEditor from "./event-editor";
-import { EventTemplate, NostrEvent, UnsignedEvent, getEventHash, verifyEvent } from "nostr-tools";
-import dayjs from "dayjs";
 import { processEvent } from "./process";
 import { WritingIcon } from "../../../components/icons";
 import { useSigningContext } from "../../../providers/global/signing-provider";

yarn.lock

@@ -5473,10 +5473,10 @@ nostr-tools@^2.3.2:
   optionalDependencies:
     nostr-wasm v0.1.0
 
-nostr-tools@^2.4.0:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/nostr-tools/-/nostr-tools-2.4.0.tgz#bc2140a95ce0be8d4900bd852f652d811562753e"
-  integrity sha512-xQC7XdGeh0gLyprcKhvx5lwr7OQ+ZOiQ9C6GpzlVAj+EBv+AiN8kySb57t3uJoG1HK15oT9jf++MmQLwhp1xNQ==
+nostr-tools@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/nostr-tools/-/nostr-tools-2.5.0.tgz#083c8a22eb88c65f30d88a25e200ea2274348663"
+  integrity sha512-G02O3JYNCfhx9NDjd3NOCw/5ck8PX5hiOIhHKpsXyu49ZtZbxGH3OLP9tf0fpUZ+EVWdjIYFR689sV0i7+TOng==
   dependencies:
     "@noble/ciphers" "^0.5.1"
     "@noble/curves" "1.2.0"
@@ -5487,7 +5487,7 @@ nostr-tools@^2.4.0:
   optionalDependencies:
     nostr-wasm v0.1.0
 
-nostr-wasm@v0.1.0:
+nostr-wasm@^0.1.0, nostr-wasm@v0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/nostr-wasm/-/nostr-wasm-0.1.0.tgz#17af486745feb2b7dd29503fdd81613a24058d94"
   integrity sha512-78BTryCLcLYv96ONU8Ws3Q1JzjlAt+43pWQhIl86xZmWeegYCNLPml7yQ+gG3vR6V5h4XGj+TxO+SS5dsThQIA==