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feat: implemented relay controller and use that for fetching and publishing events #149

Merged
s merged 10 commits from relay-controller into staging 2024-08-20 12:13:23 +00:00
Conversation 1 Commits 10 Files Changed 20 +1124 -1051
20 changed files with 1124 additions and 1051 deletions
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9
src/controllers/AuthController.ts
View File

@ -1,22 +1,23 @@
import { EventTemplate } from 'nostr-tools'
import { MetadataController, NostrController } from '.'
import { appPrivateRoutes } from '../routes'
import {
setAuthState,
setMetadataEvent,
setRelayMapAction
} from '../store/actions'
import store from '../store/store'
import { SignedEvent } from '../types'
import {
base64DecodeAuthToken,
base64EncodeSignedEvent,
compareObjects,
getAuthToken,
getRelayMap,
getVisitedLink,
saveAuthToken,
compareObjects,
unixNow
} from '../utils'
import { appPrivateRoutes } from '../routes'
import { SignedEvent } from '../types'
export class AuthController {
private nostrController: NostrController
@ -75,7 +76,7 @@ export class AuthController {
})
)
const relayMap = await this.nostrController.getRelayMap(pubkey)
const relayMap = await getRelayMap(pubkey)
if (Object.keys(relayMap).length < 1) {
// Navigate user to relays page if relay map is empty

175
src/controllers/MetadataController.ts
View File

@ -1,28 +1,25 @@
import {
Event,
Filter,
SimplePool,
VerifiedEvent,
kinds,
validateEvent,
verifyEvent,
Event,
EventTemplate,
nip19
verifyEvent
} from 'nostr-tools'
import { NostrJoiningBlock, ProfileMetadata, RelaySet } from '../types'
import { NostrController } from '.'
import { toast } from 'react-toastify'
import { queryNip05, unixNow } from '../utils'
import NDK, { NDKEvent, NDKSubscription } from '@nostr-dev-kit/ndk'
import { EventEmitter } from 'tseep'
import { NostrController, relayController } from '.'
import { localCache } from '../services'
import { ProfileMetadata, RelaySet } from '../types'
import {
findRelayListAndUpdateCache,
findRelayListInCache,
getDefaultRelaySet,
getMostPopularRelays,
getUserRelaySet,
isOlderThanOneWeek
} from '../utils/relays.ts'
isOlderThanOneWeek,
unixNow
} from '../utils'
export class MetadataController extends EventEmitter {
private nostrController: NostrController
@ -51,11 +48,9 @@ export class MetadataController extends EventEmitter {
authors: [hexKey] // Authored by the specified key
}
const pool = new SimplePool()
// Try to get the metadata event from a special relay (wss://purplepag.es)
const metadataEvent = await pool
.get([this.specialMetadataRelay], eventFilter)
const metadataEvent = await relayController
.fetchEvent(eventFilter, [this.specialMetadataRelay])
.catch((err) => {
console.error(err) // Log any errors
return null // Return null if an error occurs
@ -80,11 +75,12 @@ export class MetadataController extends EventEmitter {
}
// If no valid metadata event is found from the special relay, get the most popular relays
const mostPopularRelays = await this.nostrController.getMostPopularRelays()
const mostPopularRelays = await getMostPopularRelays()
// Query the most popular relays for metadata events
const events = await pool
.querySync(mostPopularRelays, eventFilter)
const events = await relayController
.fetchEvents(eventFilter, mostPopularRelays)
.catch((err) => {
console.error(err) // Log any errors
return null // Return null if an error occurs
@ -169,10 +165,7 @@ export class MetadataController extends EventEmitter {
[this.specialMetadataRelay],
hexKey
)) ||
(await findRelayListAndUpdateCache(
await this.nostrController.getMostPopularRelays(),
hexKey
))
(await findRelayListAndUpdateCache(await getMostPopularRelays(), hexKey))
return relayEvent ? getUserRelaySet(relayEvent.tags) : getDefaultRelaySet()
}
@ -206,143 +199,21 @@ export class MetadataController extends EventEmitter {
await this.nostrController.signEvent(newMetadataEvent)
}
await this.nostrController
.publishEvent(signedMetadataEvent, [this.specialMetadataRelay])
await relayController
.publish(signedMetadataEvent, [this.specialMetadataRelay])
.then((relays) => {
toast.success(`Metadata event published on: ${relays.join('\n')}`)
this.handleNewMetadataEvent(signedMetadataEvent as VerifiedEvent)
if (relays.length) {
toast.success(`Metadata event published on: ${relays.join('\n')}`)
this.handleNewMetadataEvent(signedMetadataEvent as VerifiedEvent)
} else {
toast.error('Could not publish metadata event to any relay!')
}
})
.catch((err) => {
toast.error(err.message)
})
}
public getNostrJoiningBlockNumber = async (
hexKey: string
): Promise<NostrJoiningBlock | null> => {
const relaySet = await this.findRelayListMetadata(hexKey)
const userRelays: string[] = []
// find user's relays
if (relaySet.write.length > 0) {
userRelays.push(...relaySet.write)
} else {
const metadata = await this.findMetadata(hexKey)
if (!metadata) return null
const metadataContent = this.extractProfileMetadataContent(metadata)
if (metadataContent?.nip05) {
const nip05Profile = await queryNip05(metadataContent.nip05)
if (nip05Profile && nip05Profile.pubkey === hexKey) {
userRelays.push(...nip05Profile.relays)
}
}
}
if (userRelays.length === 0) return null
// filter for finding user's first kind 0 event
const eventFilter: Filter = {
kinds: [kinds.Metadata],
authors: [hexKey]
}
const pool = new SimplePool()
// find user's kind 0 events published on user's relays
const events = await pool.querySync(userRelays, eventFilter)
if (events && events.length) {
// sort events by created_at time in ascending order
events.sort((a, b) => a.created_at - b.created_at)
// get first ever event published on user's relays
const event = events[0]
const { created_at } = event
// initialize job request
const jobEventTemplate: EventTemplate = {
content: '',
created_at: unixNow(),
kind: 68001,
tags: [
['i', `${created_at * 1000}`],
['j', 'blockChain-block-number']
]
}
// sign job request event
const jobSignedEvent =
await this.nostrController.signEvent(jobEventTemplate)
const relays = [
'wss://relay.damus.io',
'wss://relay.primal.net',
'wss://relayable.org'
]
// publish job request
await this.nostrController.publishEvent(jobSignedEvent, relays)
console.log('jobSignedEvent :>> ', jobSignedEvent)
const subscribeWithTimeout = (
subscription: NDKSubscription,
timeoutMs: number
): Promise<string> => {
return new Promise((resolve, reject) => {
const eventHandler = (event: NDKEvent) => {
subscription.stop()
resolve(event.content)
}
subscription.on('event', eventHandler)
// Set up a timeout to stop the subscription after a specified time
const timeout = setTimeout(() => {
subscription.stop() // Stop the subscription
reject(new Error('Subscription timed out')) // Reject the promise with a timeout error
}, timeoutMs)
// Handle subscription close event
subscription.on('close', () => clearTimeout(timeout))
})
}
const dvmNDK = new NDK({
explicitRelayUrls: relays
})
await dvmNDK.connect(2000)
// filter for getting DVM job's result
const sub = dvmNDK.subscribe({
kinds: [68002 as number],
'#e': [jobSignedEvent.id],
'#p': [jobSignedEvent.pubkey]
})
// asynchronously get block number from dvm job with 20 seconds timeout
const dvmJobResult = await subscribeWithTimeout(sub, 20000)
const encodedEventPointer = nip19.neventEncode({
id: event.id,
relays: userRelays,
author: event.pubkey,
kind: event.kind
})
return {
block: parseInt(dvmJobResult),
encodedEventPointer
}
}
return null
}
public validate = (event: Event) => validateEvent(event) && verifyEvent(event)
public getEmptyMetadataEvent = (): Event => {

482
src/controllers/NostrController.ts
View File

@ -2,50 +2,24 @@ import NDK, {
NDKEvent,
NDKNip46Signer,
NDKPrivateKeySigner,
NDKSubscription,
NDKUser,
NostrEvent
} from '@nostr-dev-kit/ndk'
import axios from 'axios'
import {
Event,
EventTemplate,
Filter,
Relay,
SimplePool,
UnsignedEvent,
finalizeEvent,
kinds,
nip04,
nip19,
nip44
} from 'nostr-tools'
import { toast } from 'react-toastify'
import { EventEmitter } from 'tseep'
import {
setMostPopularRelaysAction,
setRelayConnectionStatusAction,
setRelayInfoAction,
updateNsecbunkerPubkey
} from '../store/actions'
import { updateNsecbunkerPubkey } from '../store/actions'
import { AuthState, LoginMethods } from '../store/auth/types'
import store from '../store/store'
import {
RelayConnectionState,
RelayConnectionStatus,
RelayInfoObject,
RelayMap,
RelayReadStats,
RelayStats,
SignedEvent
} from '../types'
import {
compareObjects,
getNsecBunkerDelegatedKey,
unixNow,
verifySignedEvent
} from '../utils'
import { getDefaultRelayMap } from '../utils/relays.ts'
import { SignedEvent } from '../types'
import { getNsecBunkerDelegatedKey, verifySignedEvent } from '../utils'
export class NostrController extends EventEmitter {
private static instance: NostrController
@ -53,14 +27,13 @@ export class NostrController extends EventEmitter {
private bunkerNDK: NDK | undefined
private remoteSigner: NDKNip46Signer | undefined
private connectedRelays: Relay[] | undefined
private constructor() {
super()
}
private getNostrObject = () => {
// fix: this is not picking up type declaration from src/system/index.d.ts
// eslint-disable-next-line @typescript-eslint/no-explicit-any
if (window.nostr) return window.nostr as any
throw new Error(
@ -223,98 +196,6 @@ export class NostrController extends EventEmitter {
return NostrController.instance
}
/**
* Function will publish provided event to the provided relays
*
* @param event - The event to publish.
* @param relays - An array of relay URLs to publish the event to.
* @returns A promise that resolves to an array of relays where the event was successfully published.
*/
publishEvent = async (event: Event, relays: string[]) => {
const simplePool = new SimplePool()
// Publish the event to all relays
const promises = simplePool.publish(relays, event)
// Use Promise.race to wait for the first successful publish
const firstSuccessfulPublish = await Promise.race(
promises.map((promise, index) =>
promise.then(() => relays[index]).catch(() => null)
)
)
if (!firstSuccessfulPublish) {
// If no publish was successful, collect the reasons for failures
const failedPublishes: unknown[] = []
const fallbackRejectionReason =
'Attempt to publish an event has been rejected with unknown reason.'
const results = await Promise.allSettled(promises)
results.forEach((res, index) => {
if (res.status === 'rejected') {
failedPublishes.push({
relay: relays[index],
error: res.reason
? res.reason.message || fallbackRejectionReason
: fallbackRejectionReason
})
}
})
throw failedPublishes
}
// Continue publishing to other relays in the background
promises.forEach((promise, index) => {
promise.catch((err) => {
console.log(`Failed to publish to ${relays[index]}`, err)
})
})
return [firstSuccessfulPublish]
}
/**
* Asynchronously retrieves an event from a set of relays based on a provided filter.
* If no relays are specified, it defaults to using connected relays.
*
* @param {Filter} filter - The filter criteria to find the event.
* @param {string[]} [relays] - An optional array of relay URLs to search for the event.
* @returns {Promise<Event | null>} - Returns a promise that resolves to the found event or null if not found.
*/
getEvent = async (
filter: Filter,
relays?: string[]
): Promise<Event | null> => {
// If no relays are provided or the provided array is empty, use connected relays if available.
if (!relays || relays.length === 0) {
relays = this.connectedRelays
? this.connectedRelays.map((relay) => relay.url)
: []
}
// If still no relays are available, reject the promise with an error message.
if (relays.length === 0) {
return Promise.reject('Provide some relays to find the event')
}
// Create a new instance of SimplePool to handle the relay connections and event retrieval.
const pool = new SimplePool()
// Attempt to retrieve the event from the specified relays using the filter criteria.
const event = await pool.get(relays, filter).catch((err) => {
// Log any errors that occur during the event retrieval process.
console.log('An error occurred in finding the event', err)
// Show an error toast notification to the user.
toast.error('An error occurred in finding the event')
// Return null if an error occurs, indicating that no event was found.
return null
})
// Return the found event, or null if an error occurred.
return event
}
/**
* Encrypts the given content for the specified receiver using NIP-44 encryption.
*
@ -650,359 +531,4 @@ export class NostrController extends EventEmitter {
generateDelegatedKey = (): string => {
return NDKPrivateKeySigner.generate().privateKey!
}
/**
* Provides relay map.
* @param npub - user's npub
* @returns - promise that resolves into relay map and a timestamp when it has been updated.
*/
getRelayMap = async (
npub: string
): Promise<{ map: RelayMap; mapUpdated?: number }> => {
const mostPopularRelays = await this.getMostPopularRelays()
const pool = new SimplePool()
// More info about this kind of event available https://github.com/nostr-protocol/nips/blob/master/65.md
const eventFilter: Filter = {
kinds: [kinds.RelayList],
authors: [npub]
}
const event = await pool
.get(mostPopularRelays, eventFilter)
.catch((err) => {
return Promise.reject(err)
})
if (event) {
// Handle founded 10002 event
const relaysMap: RelayMap = {}
// 'r' stands for 'relay'
const relayTags = event.tags.filter((tag) => tag[0] === 'r')
relayTags.forEach((tag) => {
const uri = tag[1]
const relayType = tag[2]
// if 3rd element of relay tag is undefined, relay is WRITE and READ
relaysMap[uri] = {
write: relayType ? relayType === 'write' : true,
read: relayType ? relayType === 'read' : true
}
})
this.getRelayInfo(Object.keys(relaysMap))
this.connectToRelays(Object.keys(relaysMap))
return Promise.resolve({ map: relaysMap, mapUpdated: event.created_at })
} else {
return Promise.resolve({ map: getDefaultRelayMap() })
}
}
/**
* Publishes relay map.
* @param relayMap - relay map.
* @param npub - user's npub.
* @param extraRelaysToPublish - optional relays to publish relay map.
* @returns - promise that resolves into a string representing publishing result.
*/
publishRelayMap = async (
relayMap: RelayMap,
npub: string,
extraRelaysToPublish?: string[]
): Promise<string> => {
const timestamp = unixNow()
const relayURIs = Object.keys(relayMap)
// More info about this kind of event available https://github.com/nostr-protocol/nips/blob/master/65.md
const tags: string[][] = relayURIs.map((relayURI) =>
[
'r',
relayURI,
relayMap[relayURI].read && relayMap[relayURI].write
? ''
: relayMap[relayURI].write
? 'write'
: 'read'
].filter((value) => value !== '')
)
const newRelayMapEvent: UnsignedEvent = {
kind: kinds.RelayList,
tags,
content: '',
pubkey: npub,
created_at: timestamp
}
const signedEvent = await this.signEvent(newRelayMapEvent)
let relaysToPublish = relayURIs
// Add extra relays if provided
if (extraRelaysToPublish) {
relaysToPublish = [...relaysToPublish, ...extraRelaysToPublish]
}
// If relay map is empty, use most popular relay URIs
if (!relaysToPublish.length) {
relaysToPublish = await this.getMostPopularRelays()
}
const publishResult = await this.publishEvent(signedEvent, relaysToPublish)
if (publishResult && publishResult.length) {
return Promise.resolve(
`Relay Map published on: ${publishResult.join('\n')}`
)
}
return Promise.reject('Publishing updated relay map was unsuccessful.')
}
/**
* Provides most popular relays.
* @param numberOfTopRelays - number representing how many most popular relays to provide
* @returns - promise that resolves into an array of most popular relays
*/
getMostPopularRelays = async (
numberOfTopRelays: number = 30
): Promise<string[]> => {
const mostPopularRelaysState = store.getState().relays?.mostPopular
// return most popular relays from app state if present
if (mostPopularRelaysState) return mostPopularRelaysState
// relays in env
const { VITE_MOST_POPULAR_RELAYS } = import.meta.env
const hardcodedPopularRelays = (VITE_MOST_POPULAR_RELAYS || '').split(' ')
const url = `https://stats.nostr.band/stats_api?method=stats`
const response = await axios.get<RelayStats>(url).catch(() => undefined)
if (!response) {
return hardcodedPopularRelays //return hardcoded relay list
}
const data = response.data
if (!data) {
return hardcodedPopularRelays //return hardcoded relay list
}
const apiTopRelays = data.relay_stats.user_picks.read_relays
.slice(0, numberOfTopRelays)
.map((relay: RelayReadStats) => relay.d)
if (!apiTopRelays.length) {
return Promise.reject(`Couldn't fetch popular relays.`)
}
if (store.getState().auth?.loggedIn) {
store.dispatch(setMostPopularRelaysAction(apiTopRelays))
}
return apiTopRelays
}
/**
* Sets information about relays into relays.info app state.
* @param relayURIs - relay URIs to get information about
*/
getRelayInfo = async (relayURIs: string[]) => {
// initialize job request
const jobEventTemplate: EventTemplate = {
content: '',
created_at: unixNow(),
kind: 68001,
tags: [
['i', `${JSON.stringify(relayURIs)}`],
['j', 'relay-info']
]
}
// sign job request event
const jobSignedEvent = await this.signEvent(jobEventTemplate)
const relays = [
'wss://relay.damus.io',
'wss://relay.primal.net',
'wss://relayable.org'
]
// publish job request
await this.publishEvent(jobSignedEvent, relays)
console.log('jobSignedEvent :>> ', jobSignedEvent)
const subscribeWithTimeout = (
subscription: NDKSubscription,
timeoutMs: number
): Promise<string> => {
return new Promise((resolve, reject) => {
const eventHandler = (event: NDKEvent) => {
subscription.stop()
resolve(event.content)
}
subscription.on('event', eventHandler)
// Set up a timeout to stop the subscription after a specified time
const timeout = setTimeout(() => {
subscription.stop() // Stop the subscription
reject(new Error('Subscription timed out')) // Reject the promise with a timeout error
}, timeoutMs)
// Handle subscription close event
subscription.on('close', () => clearTimeout(timeout))
})
}
const dvmNDK = new NDK({
explicitRelayUrls: relays
})
await dvmNDK.connect(2000)
// filter for getting DVM job's result
const sub = dvmNDK.subscribe({
kinds: [68002 as number],
'#e': [jobSignedEvent.id],
'#p': [jobSignedEvent.pubkey]
})
// asynchronously get block number from dvm job with 20 seconds timeout
const dvmJobResult = await subscribeWithTimeout(sub, 20000)
if (!dvmJobResult) {
return Promise.reject(`Relay(s) information wasn't received`)
}
let relaysInfo: RelayInfoObject
try {
relaysInfo = JSON.parse(dvmJobResult)
} catch (error) {
return Promise.reject(`Invalid relay(s) information.`)
}
if (
relaysInfo &&
!compareObjects(store.getState().relays?.info, relaysInfo)
) {
store.dispatch(setRelayInfoAction(relaysInfo))
}
}
/**
* Establishes connection to relays.
* @param relayURIs - an array of relay URIs
* @returns - promise that resolves into an array of connections
*/
connectToRelays = async (relayURIs: string[]) => {
// Copy of relay connection status
const relayConnectionsStatus: RelayConnectionStatus = JSON.parse(
JSON.stringify(store.getState().relays?.connectionStatus || {})
)
const connectedRelayURLs = this.connectedRelays
? this.connectedRelays.map((relay) => relay.url)
: []
// Check if connections already established
if (compareObjects(connectedRelayURLs, relayURIs)) {
return
}
const connections = relayURIs
.filter((relayURI) => !connectedRelayURLs.includes(relayURI))
.map((relayURI) =>
Relay.connect(relayURI)
.then((relay) => {
// put connection status into relayConnectionsStatus object
relayConnectionsStatus[relayURI] = relay.connected
? RelayConnectionState.Connected
: RelayConnectionState.NotConnected
return relay
})
.catch(() => {
relayConnectionsStatus[relayURI] = RelayConnectionState.NotConnected
})
)
const connected = await Promise.all(connections)
// put connected relays into connectedRelays private property, so it can be closed later
this.connectedRelays = connected.filter(
(relay) => relay instanceof Relay && relay.connected
) as Relay[]
if (Object.keys(relayConnectionsStatus)) {
if (
!compareObjects(
store.getState().relays?.connectionStatus,
relayConnectionsStatus
)
) {
store.dispatch(setRelayConnectionStatusAction(relayConnectionsStatus))
}
}
return Promise.resolve(relayConnectionsStatus)
}
/**
* Disconnects from relays.
* @param relayURIs - array of relay URIs to disconnect from
*/
disconnectFromRelays = async (relayURIs: string[]) => {
const connectedRelayURLs = this.connectedRelays
? this.connectedRelays.map((relay) => relay.url)
: []
relayURIs
.filter((relayURI) => connectedRelayURLs.includes(relayURI))
.forEach((relayURI) => {
if (this.connectedRelays) {
const relay = this.connectedRelays.find(
(relay) => relay.url === relayURI
)
if (relay) {
// close relay connection
relay.close()
// remove relay from connectedRelays property
this.connectedRelays = this.connectedRelays.filter(
(relay) => relay.url !== relayURI
)
}
}
})
if (store.getState().relays?.connectionStatus) {
const connectionStatus = JSON.parse(
JSON.stringify(store.getState().relays?.connectionStatus)
)
relayURIs.forEach((relay) => {
delete connectionStatus[relay]
})
if (
!compareObjects(
store.getState().relays?.connectionStatus,
connectionStatus
)
) {
// Update app state
store.dispatch(setRelayConnectionStatusAction(connectionStatus))
}
}
}
}

309
src/controllers/RelayController.ts Normal file
View File

@ -0,0 +1,309 @@
import { Event, Filter, Relay } from 'nostr-tools'
import { normalizeWebSocketURL, timeout } from '../utils'
import { SIGIT_RELAY } from '../utils/const'
/**
* Singleton class to manage relay operations.
*/
export class RelayController {
private static instance: RelayController
public connectedRelays = new Map<string, Relay>()
private constructor() {}
/**
* Provides the singleton instance of RelayController.
*
* @returns The singleton instance of RelayController.
*/
public static getInstance(): RelayController {
if (!RelayController.instance) {
RelayController.instance = new RelayController()
}
return RelayController.instance
}
/**
* Connects to a relay server if not already connected.
*
* This method checks if a relay with the given URL is already in the list of connected relays.
* If it is not connected, it attempts to establish a new connection.
* On successful connection, the relay is added to the list of connected relays and returned.
* If the connection fails, an error is logged and `null` is returned.
*
* @param relayUrl - The URL of the relay server to connect to.
* @returns A promise that resolves to the connected relay object if successful, or `null` if the connection fails.
*/
public connectRelay = async (relayUrl: string): Promise<Relay | null> => {
// Check if a relay with the same URL is already connected
const normalizedWebSocketURL = normalizeWebSocketURL(relayUrl)
const relay = this.connectedRelays.get(normalizedWebSocketURL)
if (relay) {
// If a relay is found in connectedRelay map and is connected, just return it
if (relay.connected) return relay
// If relay is found in connectedRelay map but not connected,
// remove it from map and call connectRelay method again
this.connectedRelays.delete(relayUrl)
return this.connectRelay(relayUrl)
}
// Attempt to connect to the relay using the provided URL
const newRelay = await Relay.connect(relayUrl)
.then((relay) => {
if (relay.connected) {
// Add the newly connected relay to the connected relays map
this.connectedRelays.set(relayUrl, relay)
// Return the newly connected relay
return relay
}
return null
})
.catch((err) => {
// Log an error message if the connection fails
console.error(`Relay connection failed: ${relayUrl}`, err)
// Return null to indicate connection failure
return null
})
return newRelay
}
/**
* Asynchronously retrieves multiple event from a set of relays based on a provided filter.
* If no relays are specified, it defaults to using connected relays.
*
* @param filter - The filter criteria to find the event.
* @param relays - An optional array of relay URLs to search for the event.
* @returns Returns a promise that resolves with an array of events.
s marked this conversation as resolved Outdated
enes commented 2024-08-19 10:37:00 +00:00
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Small mismatch between comment and actual function return

Small mismatch between comment and actual function return
s commented 2024-08-20 08:56:06 +00:00
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fixed

fixed
*/
fetchEvents = async (
filter: Filter,
relayUrls: string[] = []
): Promise<Event[]> => {
// Add app relay to relays array and connect to all specified relays
const relayPromises = [...relayUrls, SIGIT_RELAY].map((relayUrl) =>
this.connectRelay(relayUrl)
)
// Use Promise.allSettled to wait for all promises to settle
const results = await Promise.allSettled(relayPromises)
// Extract non-null values from fulfilled promises in a single pass
const relays = results.reduce<Relay[]>((acc, result) => {
if (result.status === 'fulfilled') {
const value = result.value
if (value) {
acc.push(value)
}
}
return acc
}, [])
// Check if any relays are connected
if (relays.length === 0) {
throw new Error('No relay is connected to fetch events!')
}
const events: Event[] = []
const eventIds = new Set<string>() // To keep track of event IDs and avoid duplicates
// Create a promise for each relay subscription
const subPromises = relays.map((relay) => {
return new Promise<void>((resolve) => {
if (!relay.connected) {
console.log(`${relay.url} : Not connected!`, 'Skipping subscription')
return resolve()
}
// Subscribe to the relay with the specified filter
const sub = relay.subscribe([filter], {
// Handle incoming events
onevent: (e) => {
// Add the event to the array if it's not a duplicate
if (!eventIds.has(e.id)) {
eventIds.add(e.id) // Record the event ID
events.push(e) // Add the event to the array
}
},
// Handle the End-Of-Stream (EOSE) message
oneose: () => {
sub.close() // Close the subscription
resolve() // Resolve the promise when EOSE is received
}
})
// add a 30 sec of timeout to subscription
setTimeout(() => {
if (!sub.closed) {
sub.close()
resolve()
}
}, 30 * 1000)
})
})
// Wait for all subscriptions to complete
await Promise.allSettled(subPromises)
// It is possible that different relays will send different events and events array may contain more events then specified limit in filter
// To fix this issue we'll first sort these events and then return only limited events
if (filter.limit) {
// Sort events by creation date in descending order
events.sort((a, b) => b.created_at - a.created_at)
return events.slice(0, filter.limit)
}
return events
}
/**
* Asynchronously retrieves an event from a set of relays based on a provided filter.
* If no relays are specified, it defaults to using connected relays.
*
* @param filter - The filter criteria to find the event.
* @param relays - An optional array of relay URLs to search for the event.
* @returns Returns a promise that resolves to the found event or null if not found.
*/
fetchEvent = async (
filter: Filter,
relays: string[] = []
): Promise<Event | null> => {
const events = await this.fetchEvents(filter, relays)
// Sort events by creation date in descending order
events.sort((a, b) => b.created_at - a.created_at)
// Return the most recent event, or null if no events were received
return events[0] || null
}
/**
* Subscribes to events from multiple relays.
*
* This method connects to the specified relay URLs and subscribes to events
* using the provided filter. It handles incoming events through the given
* `eventHandler` callback and manages the subscription lifecycle.
*
* @param filter - The filter criteria to apply when subscribing to events.
* @param relayUrls - An optional array of relay URLs to connect to. The default relay URL (`SIGIT_RELAY`) is added automatically.
* @param eventHandler - A callback function to handle incoming events. It receives an `Event` object.
*
*/
subscribeForEvents = async (
filter: Filter,
relayUrls: string[] = [],
eventHandler: (event: Event) => void
) => {
// Add app relay to relays array and connect to all specified relays
const relayPromises = [...relayUrls, SIGIT_RELAY].map((relayUrl) =>
this.connectRelay(relayUrl)
)
// Use Promise.allSettled to wait for all promises to settle
const results = await Promise.allSettled(relayPromises)
// Extract non-null values from fulfilled promises in a single pass
const relays = results.reduce<Relay[]>((acc, result) => {
if (result.status === 'fulfilled') {
const value = result.value
if (value) {
acc.push(value)
}
}
return acc
}, [])
// Check if any relays are connected
if (relays.length === 0) {
throw new Error('No relay is connected to fetch events!')
}
const processedEvents: string[] = [] // To keep track of processed events
// Create a promise for each relay subscription
const subPromises = relays.map((relay) => {
return new Promise<void>((resolve) => {
// Subscribe to the relay with the specified filter
const sub = relay.subscribe([filter], {
// Handle incoming events
onevent: (e) => {
// Process event only if it hasn't been processed before
if (!processedEvents.includes(e.id)) {
processedEvents.push(e.id)
eventHandler(e) // Call the event handler with the event
}
},
// Handle the End-Of-Stream (EOSE) message
oneose: () => {
sub.close() // Close the subscription
resolve() // Resolve the promise when EOSE is received
}
})
})
})
// Wait for all subscriptions to complete
await Promise.allSettled(subPromises)
}
publish = async (
event: Event,
relayUrls: string[] = []
): Promise<string[]> => {
// Add app relay to relays array and connect to all specified relays
const relayPromises = [...relayUrls, SIGIT_RELAY].map((relayUrl) =>
this.connectRelay(relayUrl)
)
// Use Promise.allSettled to wait for all promises to settle
const results = await Promise.allSettled(relayPromises)
// Extract non-null values from fulfilled promises in a single pass
const relays = results.reduce<Relay[]>((acc, result) => {
if (result.status === 'fulfilled') {
const value = result.value
if (value) {
acc.push(value)
}
}
return acc
}, [])
// Check if any relays are connected
if (relays.length === 0) {
throw new Error('No relay is connected to publish event!')
}
const publishedOnRelays: string[] = [] // List to track which relays successfully published the event
// Create a promise for publishing the event to each connected relay
const publishPromises = relays.map(async (relay) => {
try {
await Promise.race([
relay.publish(event), // Publish the event to the relay
timeout(20 * 1000) // Set a timeout to handle cases where publishing takes too long
])
publishedOnRelays.push(relay.url) // Add the relay URL to the list of successfully published relays
} catch (err) {
console.error(`Failed to publish event on relay: ${relay.url}`, err)
}
})
// Wait for all publish operations to complete (either fulfilled or rejected)
await Promise.allSettled(publishPromises)
// Return the list of relay URLs where the event was published
return publishedOnRelays
}
}
export const relayController = RelayController.getInstance()

1
src/controllers/index.ts
View File

@ -1,3 +1,4 @@
export * from './AuthController'
export * from './MetadataController'
export * from './NostrController'
export * from './RelayController'

1
src/hooks/index.ts
View File

@ -1 +1,2 @@
export * from './store'
export * from './useDidMount'

12
src/hooks/useDidMount.ts Normal file
View File

@ -0,0 +1,12 @@
import { useRef, useEffect } from 'react'
export const useDidMount = (callback: () => void) => {
const didMount = useRef<boolean>(false)
useEffect(() => {
if (callback && !didMount.current) {
didMount.current = true
callback()
}
})
}

22
src/layouts/Main.tsx
View File

@ -1,5 +1,5 @@
import { Event, kinds } from 'nostr-tools'
import { useEffect, useState } from 'react'
import { useEffect, useRef, useState } from 'react'
import { useDispatch, useSelector } from 'react-redux'
import { Outlet } from 'react-router-dom'
import { AppBar } from '../components/AppBar/AppBar'
@ -25,7 +25,6 @@ import {
subscribeForSigits
} from '../utils'
import { useAppSelector } from '../hooks'
import { SubCloser } from 'nostr-tools/abstract-pool'
import styles from './style.module.scss'
import { Footer } from '../components/Footer/Footer'
@ -36,6 +35,9 @@ export const MainLayout = () => {
const authState = useSelector((state: State) => state.auth)
const usersAppData = useAppSelector((state) => state.userAppData)
// Ref to track if `subscribeForSigits` has been called
const hasSubscribed = useRef(false)
useEffect(() => {
const metadataController = new MetadataController()
@ -103,21 +105,15 @@ export const MainLayout = () => {
}, [dispatch])
useEffect(() => {
let subCloser: SubCloser | null = null
if (authState.loggedIn && usersAppData) {
const pubkey = authState.usersPubkey || authState.keyPair?.public
if (pubkey) {
subscribeForSigits(pubkey).then((res) => {
subCloser = res || null
})
}
}
if (pubkey && !hasSubscribed.current) {
// Call `subscribeForSigits` only if it hasn't been called before
subscribeForSigits(pubkey)
return () => {
if (subCloser) {
subCloser.close()
// Mark `subscribeForSigits` as called
hasSubscribed.current = true
}
}
}, [authState, usersAppData])

10
src/pages/profile/index.tsx
View File

@ -12,7 +12,12 @@ import { MetadataController } from '../../controllers'
import { getProfileSettingsRoute } from '../../routes'
import { State } from '../../store/rootReducer'
import { NostrJoiningBlock, ProfileMetadata } from '../../types'
import { getRoboHashPicture, hexToNpub, shorten } from '../../utils'
import {
getNostrJoiningBlockNumber,
getRoboHashPicture,
hexToNpub,
shorten
} from '../../utils'
import styles from './style.module.scss'
import { Container } from '../../components/Container'
@ -51,8 +56,7 @@ export const ProfilePage = () => {
useEffect(() => {
if (pubkey) {
metadataController
.getNostrJoiningBlockNumber(pubkey)
getNostrJoiningBlockNumber(pubkey)
.then((res) => {
setNostrJoiningBlock(res)
})

9
src/pages/settings/profile/index.tsx
View File

@ -26,7 +26,11 @@ import { setMetadataEvent } from '../../../store/actions'
import { LoadingSpinner } from '../../../components/LoadingSpinner'
import { LoginMethods } from '../../../store/auth/types'
import { SmartToy } from '@mui/icons-material'
import { getRoboHashPicture, unixNow } from '../../../utils'
import {
getNostrJoiningBlockNumber,
getRoboHashPicture,
unixNow
} from '../../../utils'
import { Container } from '../../../components/Container'
export const ProfileSettingsPage = () => {
@ -71,8 +75,7 @@ export const ProfileSettingsPage = () => {
useEffect(() => {
if (pubkey) {
metadataController
.getNostrJoiningBlockNumber(pubkey)
getNostrJoiningBlockNumber(pubkey)
.then((res) => {
setNostrJoiningBlock(res)
})

563
src/pages/settings/relays/index.tsx
View File

@ -12,138 +12,44 @@ import ListItemText from '@mui/material/ListItemText'
import Switch from '@mui/material/Switch'
import { useEffect, useState } from 'react'
import { toast } from 'react-toastify'
import { NostrController } from '../../../controllers'
import { useAppDispatch, useAppSelector } from '../../../hooks'
import {
setRelayMapAction,
setRelayMapUpdatedAction
} from '../../../store/actions'
import {
RelayConnectionState,
RelayFee,
RelayInfoObject,
RelayMap
} from '../../../types'
import { Container } from '../../../components/Container'
import { relayController } from '../../../controllers'
import { useAppDispatch, useAppSelector, useDidMount } from '../../../hooks'
import { setRelayMapAction } from '../../../store/actions'
import { RelayConnectionState, RelayFee, RelayInfo } from '../../../types'
import {
capitalizeFirstLetter,
compareObjects,
getRelayInfo,
getRelayMap,
hexToNpub,
publishRelayMap,
shorten
} from '../../../utils'
import styles from './style.module.scss'
import { Container } from '../../../components/Container'
export const RelaysPage = () => {
const nostrController = NostrController.getInstance()
const relaysState = useAppSelector((state) => state.relays)
const usersPubkey = useAppSelector((state) => state.auth?.usersPubkey)
const dispatch = useAppDispatch()
const [newRelayURI, setNewRelayURI] = useState<string>()
const [newRelayURIerror, setNewRelayURIerror] = useState<string>()
const [relayMap, setRelayMap] = useState<RelayMap | undefined>(
relaysState?.map
)
const [relaysInfo, setRelaysInfo] = useState<RelayInfoObject | undefined>(
relaysState?.info
)
const [displayRelaysInfo, setDisplayRelaysInfo] = useState<string[]>([])
const [relaysConnectionStatus, setRelaysConnectionStatus] = useState(
relaysState?.connectionStatus
)
const relayMap = useAppSelector((state) => state.relays?.map)
const relaysInfo = useAppSelector((state) => state.relays?.info)
const webSocketPrefix = 'wss://'
// Update relay connection status
useEffect(() => {
if (
!compareObjects(relaysConnectionStatus, relaysState?.connectionStatus)
) {
setRelaysConnectionStatus(relaysState?.connectionStatus)
}
}, [relaysConnectionStatus, relaysState?.connectionStatus])
useEffect(() => {
if (!compareObjects(relaysInfo, relaysState?.info)) {
setRelaysInfo(relaysState?.info)
}
}, [relaysInfo, relaysState?.info])
useEffect(() => {
if (!compareObjects(relayMap, relaysState?.map)) {
setRelayMap(relaysState?.map)
}
}, [relayMap, relaysState?.map])
useEffect(() => {
let isMounted = false
const fetchData = async () => {
if (usersPubkey) {
isMounted = true
// call async func to fetch relay map
const newRelayMap = await nostrController.getRelayMap(usersPubkey)
// handle fetched relay map
if (isMounted) {
if (
!relaysState?.mapUpdated ||
(newRelayMap?.mapUpdated !== undefined &&
newRelayMap?.mapUpdated > relaysState?.mapUpdated)
) {
if (
!relaysState?.map ||
!compareObjects(relaysState.map, newRelayMap)
) {
setRelayMap(newRelayMap.map)
dispatch(setRelayMapAction(newRelayMap.map))
} else {
// Update relay map updated timestamp
dispatch(setRelayMapUpdatedAction())
}
}
useDidMount(() => {
if (usersPubkey) {
getRelayMap(usersPubkey).then((newRelayMap) => {
if (!compareObjects(relayMap, newRelayMap.map)) {
dispatch(setRelayMapAction(newRelayMap.map))
}
}
})
}
// Publishing relay map can take some time.
// This is why data fetch should happen only if relay map was received more than 5 minutes ago.
if (
usersPubkey &&
(!relaysState?.mapUpdated ||
Date.now() - relaysState?.mapUpdated > 5 * 60 * 1000) // 5 minutes
) {
fetchData()
// Update relay connection status
if (relaysConnectionStatus) {
const notConnectedRelays = Object.keys(relaysConnectionStatus).filter(
(key) =>
relaysConnectionStatus[key] === RelayConnectionState.NotConnected
)
if (notConnectedRelays.length) {
nostrController.connectToRelays(notConnectedRelays)
}
}
}
// cleanup func
return () => {
isMounted = false
}
}, [
dispatch,
usersPubkey,
relaysState?.map,
relaysState?.mapUpdated,
nostrController,
relaysConnectionStatus
])
})
useEffect(() => {
// Display notification if an empty relay map has been received
@ -175,24 +81,23 @@ export const RelaysPage = () => {
if (usersPubkey) {
// Publish updated relay map.
const relayMapPublishingRes = await nostrController
.publishRelayMap(relayMapCopy, usersPubkey, [relay])
.catch((err) => handlePublishRelayMapError(err))
const relayMapPublishingRes = await publishRelayMap(
relayMapCopy,
usersPubkey,
[relay]
).catch((err) => handlePublishRelayMapError(err))
if (relayMapPublishingRes) {
toast.success(relayMapPublishingRes)
setRelayMap(relayMapCopy)
dispatch(setRelayMapAction(relayMapCopy))
}
}
nostrController.disconnectFromRelays([relay])
}
}
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const handlePublishRelayMapError = (err: any) => {
const errorPrefix = 'Error while publishing Relay Map'
@ -224,15 +129,14 @@ export const RelaysPage = () => {
if (usersPubkey) {
// Publish updated relay map
const relayMapPublishingRes = await nostrController
.publishRelayMap(relayMapCopy, usersPubkey)
.catch((err) => handlePublishRelayMapError(err))
const relayMapPublishingRes = await publishRelayMap(
relayMapCopy,
usersPubkey
).catch((err) => handlePublishRelayMapError(err))
if (relayMapPublishingRes) {
toast.success(relayMapPublishingRes)
setRelayMap(relayMapCopy)
dispatch(setRelayMapAction(relayMapCopy))
}
}
@ -256,29 +160,25 @@ export const RelaysPage = () => {
)
}
} else if (relayURI && usersPubkey) {
const connectionStatus = await nostrController.connectToRelays([relayURI])
const relay = await relayController.connectRelay(relayURI)
if (
connectionStatus &&
connectionStatus[relayURI] &&
connectionStatus[relayURI] === RelayConnectionState.Connected
) {
if (relay && relay.connected) {
const relayMapCopy = JSON.parse(JSON.stringify(relayMap))
relayMapCopy[relayURI] = { write: true, read: true }
// Publish updated relay map
const relayMapPublishingRes = await nostrController
.publishRelayMap(relayMapCopy, usersPubkey)
.catch((err) => handlePublishRelayMapError(err))
const relayMapPublishingRes = await publishRelayMap(
relayMapCopy,
usersPubkey
).catch((err) => handlePublishRelayMapError(err))
if (relayMapPublishingRes) {
setRelayMap(relayMapCopy)
setNewRelayURI('')
dispatch(setRelayMapAction(relayMapCopy))
nostrController.getRelayInfo([relayURI])
getRelayInfo([relayURI])
toast.success(relayMapPublishingRes)
}
@ -292,29 +192,6 @@ export const RelaysPage = () => {
}
}
// Handle relay open and close state
const handleRelayInfo = (relay: string) => {
if (relaysInfo) {
const info = relaysInfo[relay]
if (info) {
let displayRelaysInfoCopy: string[] = JSON.parse(
JSON.stringify(displayRelaysInfo)
)
if (displayRelaysInfoCopy.includes(relay)) {
displayRelaysInfoCopy = displayRelaysInfoCopy.filter(
(rel) => rel !== relay
)
} else {
displayRelaysInfoCopy.push(relay)
}
setDisplayRelaysInfo(displayRelaysInfoCopy)
}
}
}
return (
<Container className={styles.container}>
<Box className={styles.relayAddContainer}>
@ -343,177 +220,211 @@ export const RelaysPage = () => {
</Box>
{relayMap && (
<Box className={styles.relaysContainer}>
{Object.keys(relayMap).map((relay, i) => (
<Box className={styles.relay} key={`relay_${i}`}>
<List>
<ListItem>
<span
className={[
styles.connectionStatus,
relaysConnectionStatus
? relaysConnectionStatus[relay] ===
RelayConnectionState.Connected
? styles.connectionStatusConnected
: styles.connectionStatusNotConnected
: styles.connectionStatusUnknown
].join(' ')}
/>
{relaysInfo &&
relaysInfo[relay] &&
relaysInfo[relay].limitation &&
relaysInfo[relay].limitation?.payment_required && (
<Tooltip title="Paid Relay" arrow placement="top">
<ElectricBoltIcon
className={styles.lightningIcon}
color="warning"
onClick={() => handleRelayInfo(relay)}
/>
</Tooltip>
)}
<ListItemText primary={relay} />
<Box
className={styles.leaveRelayContainer}
onClick={() => handleLeaveRelay(relay)}
>
<LogoutIcon />
<span>Leave</span>
</Box>
</ListItem>
<Divider className={styles.relayDivider} />
<ListItem>
<ListItemText
primary="Publish to this relay?"
secondary={
relaysInfo && relaysInfo[relay] ? (
<span
onClick={() => handleRelayInfo(relay)}
className={styles.showInfo}
>
Show info{' '}
{displayRelaysInfo.includes(relay) ? (
<KeyboardArrowUpIcon
className={styles.showInfoIcon}
/>
) : (
<KeyboardArrowDownIcon
className={styles.showInfoIcon}
/>
)}
</span>
) : (
''
)
}
/>
<Switch
checked={relayMap[relay].write}
onChange={(event) => handleRelayWriteChange(relay, event)}
/>
</ListItem>
{displayRelaysInfo.includes(relay) && (
<>
<Divider className={styles.relayDivider} />
<ListItem>
<Box className={styles.relayInfoContainer}>
{relaysInfo &&
relaysInfo[relay] &&
Object.keys(relaysInfo[relay]).map((key: string) => {
const infoTitle = capitalizeFirstLetter(
key.replace('_', ' ')
)
let infoValue = (relaysInfo[relay] as any)[key]
switch (key) {
case 'pubkey':
infoValue = shorten(hexToNpub(infoValue), 15)
break
case 'limitation':
infoValue = (
<ul key={`${i}_${key}`}>
{Object.keys(infoValue).map((valueKey) => (
<li key={`${i}_${key}_${valueKey}`}>
<span
className={styles.relayInfoSubTitle}
>
{capitalizeFirstLetter(
valueKey.split('_').join(' ')
)}
:
</span>{' '}
{`${infoValue[valueKey]}`}
</li>
))}
</ul>
)
break
case 'fees':
infoValue = (
<ul>
{Object.keys(infoValue).map((valueKey) => (
<li key={`${i}_${key}_${valueKey}`}>
<span
className={styles.relayInfoSubTitle}
>
{capitalizeFirstLetter(
valueKey.split('_').join(' ')
)}
:
</span>{' '}
{`${infoValue[valueKey].map((fee: RelayFee) => `${fee.amount} ${fee.unit}`)}`}
</li>
))}
</ul>
)
break
default:
break
}
if (Array.isArray(infoValue)) {
infoValue = infoValue.join(', ')
}
return (
<span key={`${i}_${key}_container`}>
<span className={styles.relayInfoTitle}>
{infoTitle}:
</span>{' '}
{infoValue}
{key === 'pubkey' ? (
<ContentCopyIcon
className={styles.copyItem}
onClick={() => {
navigator.clipboard.writeText(
hexToNpub(
(relaysInfo[relay] as any)[key]
)
)
toast.success('Copied to clipboard', {
autoClose: 1000,
hideProgressBar: true
})
}}
/>
) : null}
</span>
)
})}
</Box>
</ListItem>
</>
)}
</List>
</Box>
{Object.keys(relayMap).map((relay) => (
<RelayItem
key={relay}
relayURI={relay}
isWriteRelay={relayMap[relay].write}
relayInfo={relaysInfo ? relaysInfo[relay] : undefined}
handleLeaveRelay={handleLeaveRelay}
handleRelayWriteChange={handleRelayWriteChange}
/>
))}
</Box>
)}
</Container>
)
}
type RelayItemProp = {
relayURI: string
isWriteRelay: boolean
relayInfo?: RelayInfo
handleLeaveRelay: (relay: string) => void
handleRelayWriteChange: (
relay: string,
event: React.ChangeEvent<HTMLInputElement>
) => Promise<void>
}
const RelayItem = ({
relayURI,
isWriteRelay,
relayInfo,
handleLeaveRelay,
handleRelayWriteChange
}: RelayItemProp) => {
const [relayConnectionStatus, setRelayConnectionStatus] =
useState<RelayConnectionState>()
const [displayRelayInfo, setDisplayRelayInfo] = useState(false)
useDidMount(() => {
relayController.connectRelay(relayURI).then((relay) => {
if (relay && relay.connected) {
setRelayConnectionStatus(RelayConnectionState.Connected)
} else {
setRelayConnectionStatus(RelayConnectionState.NotConnected)
}
})
})
return (
<Box className={styles.relay}>
<List>
<ListItem>
<span
className={[
styles.connectionStatus,
relayConnectionStatus
? relayConnectionStatus === RelayConnectionState.Connected
? styles.connectionStatusConnected
: styles.connectionStatusNotConnected
: styles.connectionStatusUnknown
].join(' ')}
/>
{relayInfo &&
relayInfo.limitation &&
relayInfo.limitation?.payment_required && (
<Tooltip title="Paid Relay" arrow placement="top">
<ElectricBoltIcon
className={styles.lightningIcon}
color="warning"
onClick={() => setDisplayRelayInfo((prev) => !prev)}
/>
</Tooltip>
)}
<ListItemText primary={relayURI} />
<Box
className={styles.leaveRelayContainer}
onClick={() => handleLeaveRelay(relayURI)}
>
<LogoutIcon />
<span>Leave</span>
</Box>
</ListItem>
<Divider className={styles.relayDivider} />
<ListItem>
<ListItemText
primary="Publish to this relay?"
secondary={
relayInfo ? (
<span
onClick={() => setDisplayRelayInfo((prev) => !prev)}
className={styles.showInfo}
>
Show info{' '}
{displayRelayInfo ? (
<KeyboardArrowUpIcon className={styles.showInfoIcon} />
) : (
<KeyboardArrowDownIcon className={styles.showInfoIcon} />
)}
</span>
) : (
''
)
}
/>
<Switch
checked={isWriteRelay}
onChange={(event) => handleRelayWriteChange(relayURI, event)}
/>
</ListItem>
{displayRelayInfo && (
<>
<Divider className={styles.relayDivider} />
<ListItem>
<Box className={styles.relayInfoContainer}>
{relayInfo &&
Object.keys(relayInfo).map((key: string) => {
const infoTitle = capitalizeFirstLetter(
key.replace('_', ' ')
)
// eslint-disable-next-line @typescript-eslint/no-explicit-any
let infoValue = (relayInfo as any)[key]
switch (key) {
case 'pubkey':
infoValue = shorten(hexToNpub(infoValue), 15)
break
case 'limitation':
infoValue = (
<ul>
{Object.keys(infoValue).map((valueKey) => (
<li key={`${relayURI}_${key}_${valueKey}`}>
<span className={styles.relayInfoSubTitle}>
{capitalizeFirstLetter(
valueKey.split('_').join(' ')
)}
:
</span>{' '}
{`${infoValue[valueKey]}`}
</li>
))}
</ul>
)
break
case 'fees':
infoValue = (
<ul>
{Object.keys(infoValue).map((valueKey) => (
<li key={`${relayURI}_${key}_${valueKey}`}>
<span className={styles.relayInfoSubTitle}>
{capitalizeFirstLetter(
valueKey.split('_').join(' ')
)}
:
</span>{' '}
{`${infoValue[valueKey].map((fee: RelayFee) => `${fee.amount} ${fee.unit}`)}`}
</li>
))}
</ul>
)
break
default:
break
}
if (Array.isArray(infoValue)) {
infoValue = infoValue.join(', ')
}
return (
<span key={`${relayURI}_${key}_container`}>
<span className={styles.relayInfoTitle}>
{infoTitle}:
</span>{' '}
{infoValue}
{key === 'pubkey' ? (
<ContentCopyIcon
className={styles.copyItem}
onClick={() => {
navigator.clipboard.writeText(
// eslint-disable-next-line @typescript-eslint/no-explicit-any
hexToNpub((relayInfo as any)[key])
)
toast.success('Copied to clipboard', {
autoClose: 1000,
hideProgressBar: true
})
}}
/>
) : null}
</span>
)
})}
</Box>
</ListItem>
</>
)}
</List>
</Box>
)
}

1
src/store/actionTypes.ts
View File

@ -16,7 +16,6 @@ export const SET_RELAY_MAP = 'SET_RELAY_MAP'
export const SET_RELAY_INFO = 'SET_RELAY_INFO'
export const SET_RELAY_MAP_UPDATED = 'SET_RELAY_MAP_UPDATED'
export const SET_MOST_POPULAR_RELAYS = 'SET_MOST_POPULAR_RELAYS'
export const SET_RELAY_CONNECTION_STATUS = 'SET_RELAY_CONNECTION_STATUS'
export const UPDATE_USER_APP_DATA = 'UPDATE_USER_APP_DATA'
export const UPDATE_PROCESSED_GIFT_WRAPS = 'UPDATE_PROCESSED_GIFT_WRAPS'

10
src/store/relays/action.ts
View File

@ -3,10 +3,9 @@ import {
SetRelayMapAction,
SetMostPopularRelaysAction,
SetRelayInfoAction,
SetRelayConnectionStatusAction,
SetRelayMapUpdatedAction
} from './types'
import { RelayMap, RelayInfoObject, RelayConnectionStatus } from '../../types'
import { RelayMap, RelayInfoObject } from '../../types'
export const setRelayMapAction = (payload: RelayMap): SetRelayMapAction => ({
type: ActionTypes.SET_RELAY_MAP,
@ -27,13 +26,6 @@ export const setMostPopularRelaysAction = (
payload
})
export const setRelayConnectionStatusAction = (
payload: RelayConnectionStatus
): SetRelayConnectionStatusAction => ({
type: ActionTypes.SET_RELAY_CONNECTION_STATUS,
payload
})
export const setRelayMapUpdatedAction = (): SetRelayMapUpdatedAction => ({
type: ActionTypes.SET_RELAY_MAP_UPDATED
})

11
src/store/relays/reducer.ts
View File

@ -5,8 +5,7 @@ const initialState: RelaysState = {
map: undefined,
mapUpdated: undefined,
mostPopular: undefined,
info: undefined,
connectionStatus: undefined
info: undefined
}
const reducer = (
@ -26,14 +25,8 @@ const reducer = (
info: { ...state.info, ...action.payload }
}
case ActionTypes.SET_RELAY_CONNECTION_STATUS:
return {
...state,
connectionStatus: action.payload
}
case ActionTypes.SET_MOST_POPULAR_RELAYS:
return { ...state, mostPopular: action.payload }
return { ...state, mostPopular: [...action.payload] }
case ActionTypes.RESTORE_STATE:
return action.payload.relays

9
src/store/relays/types.ts
View File

@ -1,13 +1,12 @@
import * as ActionTypes from '../actionTypes'
import { RestoreState } from '../actions'
import { RelayMap, RelayInfoObject, RelayConnectionStatus } from '../../types'
import { RelayMap, RelayInfoObject } from '../../types'
export type RelaysState = {
map?: RelayMap
mapUpdated?: number
mostPopular?: string[]
info?: RelayInfoObject
connectionStatus?: RelayConnectionStatus
}
export interface SetRelayMapAction {
@ -25,11 +24,6 @@ export interface SetRelayInfoAction {
payload: RelayInfoObject
}
export interface SetRelayConnectionStatusAction {
type: typeof ActionTypes.SET_RELAY_CONNECTION_STATUS
payload: RelayConnectionStatus
}
export interface SetRelayMapUpdatedAction {
type: typeof ActionTypes.SET_RELAY_MAP_UPDATED
}
@ -39,5 +33,4 @@ export type RelaysDispatchTypes =
| SetRelayInfoAction
| SetRelayMapUpdatedAction
| SetMostPopularRelaysAction
| SetRelayConnectionStatusAction
| RestoreState

228
src/utils/dvm.ts Normal file
View File

@ -0,0 +1,228 @@
import { EventTemplate, Filter, kinds, nip19 } from 'nostr-tools'
import { compareObjects, queryNip05, unixNow } from '.'
import {
MetadataController,
NostrController,
relayController
} from '../controllers'
import { NostrJoiningBlock, RelayInfoObject } from '../types'
import NDK, { NDKEvent, NDKSubscription } from '@nostr-dev-kit/ndk'
import store from '../store/store'
import { setRelayInfoAction } from '../store/actions'
export const getNostrJoiningBlockNumber = async (
hexKey: string
): Promise<NostrJoiningBlock | null> => {
const metadataController = new MetadataController()
const relaySet = await metadataController.findRelayListMetadata(hexKey)
const userRelays: string[] = []
// find user's relays
if (relaySet.write.length > 0) {
userRelays.push(...relaySet.write)
} else {
const metadata = await metadataController.findMetadata(hexKey)
if (!metadata) return null
const metadataContent =
metadataController.extractProfileMetadataContent(metadata)
if (metadataContent?.nip05) {
const nip05Profile = await queryNip05(metadataContent.nip05)
if (nip05Profile && nip05Profile.pubkey === hexKey) {
userRelays.push(...nip05Profile.relays)
}
}
}
if (userRelays.length === 0) return null
// filter for finding user's first kind 0 event
const eventFilter: Filter = {
kinds: [kinds.Metadata],
authors: [hexKey]
}
// find user's kind 0 event published on user's relays
const event = await relayController.fetchEvent(eventFilter, userRelays)
if (event) {
const { created_at } = event
// initialize job request
const jobEventTemplate: EventTemplate = {
content: '',
created_at: unixNow(),
kind: 68001,
tags: [
['i', `${created_at * 1000}`],
['j', 'blockChain-block-number']
]
}
const nostrController = NostrController.getInstance()
// sign job request event
const jobSignedEvent = await nostrController.signEvent(jobEventTemplate)
const relays = [
'wss://relay.damus.io',
'wss://relay.primal.net',
'wss://relayable.org'
]
await relayController.publish(jobSignedEvent, relays).catch((err) => {
console.error(
'Error occurred in publish blockChain-block-number DVM job',
err
)
})
const subscribeWithTimeout = (
subscription: NDKSubscription,
timeoutMs: number
): Promise<string> => {
return new Promise((resolve, reject) => {
const eventHandler = (event: NDKEvent) => {
subscription.stop()
resolve(event.content)
}
subscription.on('event', eventHandler)
// Set up a timeout to stop the subscription after a specified time
const timeout = setTimeout(() => {
subscription.stop() // Stop the subscription
reject(new Error('Subscription timed out')) // Reject the promise with a timeout error
}, timeoutMs)
// Handle subscription close event
subscription.on('close', () => clearTimeout(timeout))
})
}
const dvmNDK = new NDK({
explicitRelayUrls: relays
})
await dvmNDK.connect(2000)
// filter for getting DVM job's result
const sub = dvmNDK.subscribe({
kinds: [68002 as number],
'#e': [jobSignedEvent.id],
'#p': [jobSignedEvent.pubkey]
})
// asynchronously get block number from dvm job with 20 seconds timeout
const dvmJobResult = await subscribeWithTimeout(sub, 20000)
const encodedEventPointer = nip19.neventEncode({
id: event.id,
relays: userRelays,
author: event.pubkey,
kind: event.kind
})
return {
block: parseInt(dvmJobResult),
encodedEventPointer
}
}
return null
}
/**
* Sets information about relays into relays.info app state.
* @param relayURIs - relay URIs to get information about
*/
export const getRelayInfo = async (relayURIs: string[]) => {
// initialize job request
const jobEventTemplate: EventTemplate = {
content: '',
created_at: unixNow(),
kind: 68001,
tags: [
['i', `${JSON.stringify(relayURIs)}`],
['j', 'relay-info']
]
}
const nostrController = NostrController.getInstance()
// sign job request event
const jobSignedEvent = await nostrController.signEvent(jobEventTemplate)
const relays = [
'wss://relay.damus.io',
'wss://relay.primal.net',
'wss://relayable.org'
]
// publish job request
await relayController.publish(jobSignedEvent, relays)
console.log('jobSignedEvent :>> ', jobSignedEvent)
const subscribeWithTimeout = (
subscription: NDKSubscription,
timeoutMs: number
): Promise<string> => {
return new Promise((resolve, reject) => {
const eventHandler = (event: NDKEvent) => {
subscription.stop()
resolve(event.content)
}
subscription.on('event', eventHandler)
// Set up a timeout to stop the subscription after a specified time
const timeout = setTimeout(() => {
subscription.stop() // Stop the subscription
reject(new Error('Subscription timed out')) // Reject the promise with a timeout error
}, timeoutMs)
// Handle subscription close event
subscription.on('close', () => clearTimeout(timeout))
})
}
const dvmNDK = new NDK({
explicitRelayUrls: relays
})
await dvmNDK.connect(2000)
// filter for getting DVM job's result
const sub = dvmNDK.subscribe({
kinds: [68002 as number],
'#e': [jobSignedEvent.id],
'#p': [jobSignedEvent.pubkey]
})
// asynchronously get block number from dvm job with 20 seconds timeout
const dvmJobResult = await subscribeWithTimeout(sub, 20000)
if (!dvmJobResult) {
return Promise.reject(`Relay(s) information wasn't received`)
}
let relaysInfo: RelayInfoObject
try {
relaysInfo = JSON.parse(dvmJobResult)
} catch (error) {
return Promise.reject(`Invalid relay(s) information.`)
}
if (
relaysInfo &&
!compareObjects(store.getState().relays?.info, relaysInfo)
) {
store.dispatch(setRelayInfoAction(relaysInfo))
}
}

13
src/utils/index.ts
View File

@ -1,10 +1,13 @@
export * from './crypto'
export * from './dvm'
export * from './hash'
export * from './localStorage'
export * from './misc'
export * from './nostr'
export * from './string'
export * from './zip'
export * from './utils'
export * from './mark'
export * from './meta'
export * from './misc'
export * from './nostr'
export * from './relays'
export * from './string'
export * from './url'
export * from './utils'
export * from './zip'

78
src/utils/nostr.ts
View File

@ -5,7 +5,6 @@ import {
Event,
EventTemplate,
Filter,
SimplePool,
UnsignedEvent,
finalizeEvent,
generateSecretKey,
@ -18,7 +17,11 @@ import {
} from 'nostr-tools'
import { toast } from 'react-toastify'
import { NIP05_REGEX } from '../constants'
import { MetadataController, NostrController } from '../controllers'
import {
MetadataController,
NostrController,
relayController
} from '../controllers'
import {
updateProcessedGiftWraps,
updateUserAppData as updateUserAppDataAction
@ -328,20 +331,27 @@ export const createWrap = (unsignedEvent: UnsignedEvent, receiver: string) => {
}
}
/**
* Fetches user application data based on user's public key and stored metadata.
*
* @returns The user application data or null if an error occurs or no data is found.
*/
export const getUsersAppData = async (): Promise<UserAppData | null> => {
// Initialize an array to hold relay URLs
const relays: string[] = []
// Retrieve the user's public key and relay map from the Redux store
const usersPubkey = (store.getState().auth as AuthState).usersPubkey!
const relayMap = store.getState().relays?.map
const nostrController = NostrController.getInstance()
// check if relaysMap in redux store is undefined
// Check if relayMap is undefined in the Redux store
if (!relayMap) {
// If relayMap is not present, fetch relay list metadata
const metadataController = new MetadataController()
const relaySet = await metadataController
.findRelayListMetadata(usersPubkey)
.catch((err) => {
// Log error and return null if fetching metadata fails
console.log(
`An error occurred while finding relay list metadata for ${hexToNpub(usersPubkey)}`,
err
@ -349,41 +359,42 @@ export const getUsersAppData = async (): Promise<UserAppData | null> => {
return null
})
// Return if metadata retrieval failed
// Return null if metadata retrieval failed
if (!relaySet) return null
// Ensure relay list is not empty
// Ensure that the relay list is not empty
if (relaySet.write.length === 0) return null
// Add write relays to the relays array
relays.push(...relaySet.write)
} else {
// filter write relays from user's relayMap stored in redux store
// If relayMap exists, filter and add write relays from the stored map
const writeRelays = Object.keys(relayMap).filter(
(key) => relayMap[key].write
)
relays.push(...writeRelays)
}
// generate an identifier for user's nip78
// Generate an identifier for the user's nip78
const hash = await getHash('938' + usersPubkey)
if (!hash) return null
// Define a filter for fetching events
const filter: Filter = {
kinds: [kinds.Application],
'#d': [hash]
}
const encryptedContent = await nostrController
.getEvent(filter, relays)
const encryptedContent = await relayController
.fetchEvent(filter, relays)
.then((event) => {
if (event) return event.content
// if person is using sigit for first time its possible that event is null
// so we'll return empty stringified object
// If no event is found, return an empty stringified object
return '{}'
})
.catch((err) => {
// Log error and show a toast notification if fetching event fails
console.log(`An error occurred in finding kind 30078 event`, err)
toast.error(
'An error occurred in finding kind 30078 event for data storage'
@ -391,8 +402,10 @@ export const getUsersAppData = async (): Promise<UserAppData | null> => {
return null
})
// Return null if encrypted content retrieval fails
if (!encryptedContent) return null
// Handle case where the encrypted content is an empty object
if (encryptedContent === '{}') {
const secret = generateSecretKey()
const pubKey = getPublicKey(secret)
@ -408,20 +421,28 @@ export const getUsersAppData = async (): Promise<UserAppData | null> => {
}
}
// Get an instance of the NostrController
const nostrController = NostrController.getInstance()
// Decrypt the encrypted content
const decrypted = await nostrController
.nip04Decrypt(usersPubkey, encryptedContent)
.catch((err) => {
// Log error and show a toast notification if decryption fails
console.log('An error occurred while decrypting app data', err)
toast.error('An error occurred while decrypting app data')
return null
})
// Return null if decryption fails
if (!decrypted) return null
// Parse the decrypted content
const parsedContent = await parseJson<{
blossomUrls: string[]
keyPair: Keys
}>(decrypted).catch((err) => {
// Log error and show a toast notification if parsing fails
console.log(
'An error occurred in parsing the content of kind 30078 event',
err
@ -430,21 +451,26 @@ export const getUsersAppData = async (): Promise<UserAppData | null> => {
return null
})
// Return null if parsing fails
if (!parsedContent) return null
const { blossomUrls, keyPair } = parsedContent
// Return null if no blossom URLs are found
if (blossomUrls.length === 0) return null
// Fetch additional user app data from the first blossom URL
const dataFromBlossom = await getUserAppDataFromBlossom(
blossomUrls[0],
keyPair.private
)
// Return null if fetching data from blossom fails
if (!dataFromBlossom) return null
const { sigits, processedGiftWraps } = dataFromBlossom
// Return the final user application data
return {
blossomUrls,
keyPair,
@ -575,10 +601,9 @@ export const updateUsersAppData = async (meta: Meta) => {
const relayMap = (store.getState().relays as RelaysState).map!
const writeRelays = Object.keys(relayMap).filter((key) => relayMap[key].write)
console.log(`publishing event kind: ${kinds.Application}`)
const publishResult = await Promise.race([
nostrController.publishEvent(signedEvent, writeRelays),
timeout(1000 * 30)
relayController.publish(signedEvent, writeRelays),
timeout(40 * 1000)
]).catch((err) => {
console.log('err :>> ', err)
if (err.message === 'Timeout') {
@ -817,15 +842,8 @@ export const subscribeForSigits = async (pubkey: string) => {
'#p': [pubkey]
}
// Instantiate a new SimplePool for the subscription
const pool = new SimplePool()
// Subscribe to the specified relays with the defined filter
return pool.subscribeMany(relaySet.read, [filter], {
// Define a callback function to handle received events
onevent: (event) => {
processReceivedEvent(event) // Process the received event
}
relayController.subscribeForEvents(filter, relaySet.read, (event) => {
processReceivedEvent(event) // Process the received event
})
}
@ -915,14 +933,10 @@ export const sendNotification = async (receiver: string, meta: Meta) => {
// Ensure relay list is not empty
if (relaySet.read.length === 0) return
console.log('Publishing notifications')
// Publish the notification event to the recipient's read relays
const nostrController = NostrController.getInstance()
// Attempt to publish the event to the relays, with a timeout of 2 minutes
await Promise.race([
nostrController.publishEvent(wrappedEvent, relaySet.read),
timeout(1000 * 30)
relayController.publish(wrappedEvent, relaySet.read),
timeout(40 * 1000)
]).catch((err) => {
// Log an error if publishing the notification event fails
console.log(

185
src/utils/relays.ts
View File

@ -1,9 +1,13 @@
import { Filter, SimplePool } from 'nostr-tools'
import axios from 'axios'
import { Event, Filter, kinds, UnsignedEvent } from 'nostr-tools'
import { RelayList } from 'nostr-tools/kinds'
import { Event } from 'nostr-tools'
import { getRelayInfo, unixNow } from '.'
import { NostrController, relayController } from '../controllers'
import { localCache } from '../services'
import { ONE_WEEK_IN_MS, SIGIT_RELAY } from './const.ts'
import { RelayMap, RelaySet } from '../types'
import { setMostPopularRelaysAction } from '../store/actions'
import store from '../store/store'
import { RelayMap, RelayReadStats, RelaySet, RelayStats } from '../types'
import { ONE_WEEK_IN_MS, SIGIT_RELAY } from './const'
const READ_MARKER = 'read'
const WRITE_MARKER = 'write'
@ -24,8 +28,8 @@ const findRelayListAndUpdateCache = async (
kinds: [RelayList],
authors: [hexKey]
}
const pool = new SimplePool()
const event = await pool.get(lookUpRelays, eventFilter)
const event = await relayController.fetchEvent(eventFilter, lookUpRelays)
if (event) {
await localCache.addUserRelayListMetadata(event)
}
@ -106,11 +110,176 @@ const toRelaySet = (obj: RelaySet, tag: string[]): RelaySet => {
return obj
}
/**
* Provides most popular relays.
* @param numberOfTopRelays - number representing how many most popular relays to provide
* @returns - promise that resolves into an array of most popular relays
*/
const getMostPopularRelays = async (
numberOfTopRelays: number = 30
): Promise<string[]> => {
const mostPopularRelaysState = store.getState().relays?.mostPopular
// return most popular relays from app state if present
if (mostPopularRelaysState) return mostPopularRelaysState
// relays in env
const { VITE_MOST_POPULAR_RELAYS } = import.meta.env
const hardcodedPopularRelays = (VITE_MOST_POPULAR_RELAYS || '').split(' ')
const url = `https://stats.nostr.band/stats_api?method=stats`
const response = await axios.get<RelayStats>(url).catch(() => undefined)
if (!response) {
return hardcodedPopularRelays //return hardcoded relay list
}
const data = response.data
if (!data) {
return hardcodedPopularRelays //return hardcoded relay list
}
const apiTopRelays = data.relay_stats.user_picks.read_relays
.slice(0, numberOfTopRelays)
.map((relay: RelayReadStats) => relay.d)
if (!apiTopRelays.length) {
return Promise.reject(`Couldn't fetch popular relays.`)
}
if (store.getState().auth?.loggedIn) {
store.dispatch(setMostPopularRelaysAction(apiTopRelays))
}
return apiTopRelays
}
/**
* Provides relay map.
* @param npub - user's npub
* @returns - promise that resolves into relay map and a timestamp when it has been updated.
*/
const getRelayMap = async (
npub: string
): Promise<{ map: RelayMap; mapUpdated?: number }> => {
const mostPopularRelays = await getMostPopularRelays()
// More info about this kind of event available https://github.com/nostr-protocol/nips/blob/master/65.md
const eventFilter: Filter = {
kinds: [kinds.RelayList],
authors: [npub]
}
const event = await relayController
.fetchEvent(eventFilter, mostPopularRelays)
.catch((err) => {
return Promise.reject(err)
})
if (event) {
// Handle founded 10002 event
const relaysMap: RelayMap = {}
// 'r' stands for 'relay'
const relayTags = event.tags.filter((tag) => tag[0] === 'r')
relayTags.forEach((tag) => {
const uri = tag[1]
const relayType = tag[2]
// if 3rd element of relay tag is undefined, relay is WRITE and READ
relaysMap[uri] = {
write: relayType ? relayType === 'write' : true,
read: relayType ? relayType === 'read' : true
}
})
Object.keys(relaysMap).forEach((relayUrl) => {
relayController.connectRelay(relayUrl)
})
getRelayInfo(Object.keys(relaysMap))
return Promise.resolve({ map: relaysMap, mapUpdated: event.created_at })
} else {
return Promise.resolve({ map: getDefaultRelayMap() })
}
}
/**
* Publishes relay map.
* @param relayMap - relay map.
* @param npub - user's npub.
* @param extraRelaysToPublish - optional relays to publish relay map.
* @returns - promise that resolves into a string representing publishing result.
*/
const publishRelayMap = async (
relayMap: RelayMap,
npub: string,
extraRelaysToPublish?: string[]
): Promise<string> => {
const timestamp = unixNow()
const relayURIs = Object.keys(relayMap)
// More info about this kind of event available https://github.com/nostr-protocol/nips/blob/master/65.md
const tags: string[][] = relayURIs.map((relayURI) =>
[
'r',
relayURI,
relayMap[relayURI].read && relayMap[relayURI].write
? ''
: relayMap[relayURI].write
? 'write'
: 'read'
].filter((value) => value !== '')
)
const newRelayMapEvent: UnsignedEvent = {
kind: kinds.RelayList,
tags,
content: '',
pubkey: npub,
created_at: timestamp
}
const nostrController = NostrController.getInstance()
const signedEvent = await nostrController.signEvent(newRelayMapEvent)
let relaysToPublish = relayURIs
// Add extra relays if provided
if (extraRelaysToPublish) {
relaysToPublish = [...relaysToPublish, ...extraRelaysToPublish]
}
// If relay map is empty, use most popular relay URIs
if (!relaysToPublish.length) {
relaysToPublish = await getMostPopularRelays()
}
const publishResult = await relayController.publish(
signedEvent,
relaysToPublish
)
if (publishResult && publishResult.length) {
return Promise.resolve(
`Relay Map published on: ${publishResult.join('\n')}`
)
}
return Promise.reject('Publishing updated relay map was unsuccessful.')
}
export {
findRelayListAndUpdateCache,
findRelayListInCache,
getUserRelaySet,
getDefaultRelaySet,
getDefaultRelayMap,
getDefaultRelaySet,
getMostPopularRelays,
getRelayMap,
publishRelayMap,
getUserRelaySet,
isOlderThanOneWeek
}

47
src/utils/url.ts Normal file
View File

@ -0,0 +1,47 @@
/**
* Normalizes a given URL by performing the following operations:
*
* 1. Ensures that the URL has a protocol by defaulting to 'wss://' if no protocol is provided.
* 2. Creates a `URL` object to easily manipulate and normalize the URL components.
* 3. Normalizes the pathname by:
* - Replacing multiple consecutive slashes with a single slash.
* - Removing the trailing slash if it exists.
* 4. Removes the port number if it is the default port for the protocol:
* - Port `80` for 'ws:' (WebSocket) protocol.
* - Port `443` for 'wss:' (WebSocket Secure) protocol.
* 5. Sorts the query parameters alphabetically.
* 6. Clears any fragment (hash) identifier from the URL.
*
* @param urlString - The URL string to be normalized.
* @returns A normalized URL string.
*/
export function normalizeWebSocketURL(urlString: string): string {
// If the URL string does not contain a protocol (e.g., "http://", "https://"),
// prepend "wss://" (WebSocket Secure) by default.
if (urlString.indexOf('://') === -1) urlString = 'wss://' + urlString
// Create a URL object from the provided URL string.
const url = new URL(urlString)
// Normalize the pathname by replacing multiple consecutive slashes with a single slash.
url.pathname = url.pathname.replace(/\/+/g, '/')
// Remove the trailing slash from the pathname if it exists.
if (url.pathname.endsWith('/')) url.pathname = url.pathname.slice(0, -1)
// Remove the port number if it is 80 for "ws:" protocol or 443 for "wss:" protocol, as these are default ports.
if (
(url.port === '80' && url.protocol === 'ws:') ||
(url.port === '443' && url.protocol === 'wss:')
)
url.port = ''
// Sort the search parameters alphabetically.
url.searchParams.sort()
// Clear any hash fragment from the URL.
url.hash = ''
// Return the normalized URL as a string.
return url.toString()
}