Merge pull request 'staging' (#87) from staging into main

Reviewed-on: https://git.sigit.io/sig/it/pulls/87
Reviewed-by: b <b@4j.cx>

src/components/AppBar/AppBar.tsx

@@ -10,17 +10,24 @@ import {
 
 import { useEffect, useState } from 'react'
 import { useDispatch, useSelector } from 'react-redux'
-import { setAuthState, setMetadataEvent } from '../../store/actions'
+import {
+  setAuthState,
+  setMetadataEvent,
+  userLogOutAction
+} from '../../store/actions'
 import { State } from '../../store/rootReducer'
 import { Dispatch } from '../../store/store'
 import Username from '../username'
 
 import { Link, useNavigate } from 'react-router-dom'
 import { MetadataController, NostrController } from '../../controllers'
-import { appPublicRoutes, getProfileRoute } from '../../routes'
+import {
+  appPublicRoutes,
+  appPrivateRoutes,
+  getProfileRoute
+} from '../../routes'
 import {
   clearAuthToken,
-  clearState,
   saveNsecBunkerDelegatedKey,
   shorten
 } from '../../utils'
@@ -92,7 +99,8 @@ export const AppBar = () => {
 
     // clear authToken saved in local storage
     clearAuthToken()
-    clearState()
+
+    dispatch(userLogOutAction())
 
     // update nsecBunker delegated key after logout
     const nostrController = NostrController.getInstance()
@@ -160,8 +168,20 @@ export const AppBar = () => {
                 >
                   Profile
                 </MenuItem>
+                <MenuItem
+                  onClick={() => {
+                    setAnchorElUser(null)
+
+                    navigate(appPrivateRoutes.relays)
+                  }}
+                  sx={{
+                    justifyContent: 'center'
+                  }}
+                >
+                  Relays
+                </MenuItem>
                 <Link
-                  to={appPublicRoutes.help}
+                  to={appPublicRoutes.source}
                   target="_blank"
                   style={{ color: 'inherit', textDecoration: 'inherit' }}
                 >
@@ -170,7 +190,7 @@ export const AppBar = () => {
                       justifyContent: 'center'
                     }}
                   >
-                    Help
+                    Source
                   </MenuItem>
                 </Link>
                 <MenuItem

src/components/copyModal.tsx

@@ -0,0 +1,27 @@
+import { Dialog, DialogContent, DialogTitle } from '@mui/material'
+import { CopyToClipboard } from './copyToClipboard'
+
+interface CopyModalProps {
+  open: boolean
+  handleClose: () => void
+  title: string
+  textToCopy: string
+}
+
+export const CopyModal = ({
+  open,
+  handleClose,
+  title,
+  textToCopy
+}: CopyModalProps) => {
+  return (
+    <Dialog open={open} onClose={handleClose} maxWidth="xs">
+      <DialogTitle>{title}</DialogTitle>
+      <DialogContent>
+        <CopyToClipboard textToCopy={textToCopy} />
+      </DialogContent>
+    </Dialog>
+  )
+}
+
+export default CopyModal

src/components/copyToClipboard.tsx

@@ -0,0 +1,51 @@
+import { ContentCopy } from '@mui/icons-material/'
+import { Box, IconButton, Typography } from '@mui/material'
+import { toast } from 'react-toastify'
+
+type Props = {
+  textToCopy: string
+}
+
+export const CopyToClipboard = ({ textToCopy }: Props) => {
+  const handleCopyClick = () => {
+    navigator.clipboard.writeText(textToCopy)
+    toast.success('Copied to clipboard', {
+      autoClose: 1000,
+      hideProgressBar: true
+    })
+  }
+
+  return (
+    <Box
+      sx={{
+        display: 'flex',
+        alignItems: 'center',
+        width: '100%'
+      }}
+    >
+      <Typography
+        onClick={(e) => {
+          e.stopPropagation()
+          handleCopyClick()
+        }}
+        component="label"
+        sx={{
+          flex: '1',
+          overflow: 'auto',
+          whiteSpace: 'nowrap',
+          cursor: 'pointer'
+        }}
+      >
+        {textToCopy}
+      </Typography>
+      <IconButton
+        onClick={(e) => {
+          e.stopPropagation()
+          handleCopyClick()
+        }}
+      >
+        <ContentCopy />
+      </IconButton>
+    </Box>
+  )
+}

src/controllers/AuthController.ts

@@ -1,13 +1,18 @@
 import { EventTemplate } from 'nostr-tools'
 import { MetadataController, NostrController } from '.'
-import { setAuthState, setMetadataEvent } from '../store/actions'
+import {
+  setAuthState,
+  setMetadataEvent,
+  setRelayMapAction
+} from '../store/actions'
 import store from '../store/store'
 import {
   base64DecodeAuthToken,
   base64EncodeSignedEvent,
   getAuthToken,
   getVisitedLink,
-  saveAuthToken
+  saveAuthToken,
+  compareObjects
 } from '../utils'
 import { appPrivateRoutes } from '../routes'
 import { SignedEvent } from '../types'
@@ -30,7 +35,7 @@ export class AuthController {
    * @returns url to redirect if authentication successfull
    * or error if otherwise
    */
-  async authenticateAndFindMetadata(pubkey: string) {
+  async authAndGetMetadataAndRelaysMap(pubkey: string) {
     const emptyMetadata = this.metadataController.getEmptyMetadataEvent()
 
     this.metadataController
@@ -69,15 +74,32 @@ export class AuthController {
       })
     )
 
-    const visitedLink = getVisitedLink()
+    const relayMap = await this.nostrController.getRelayMap(pubkey)
 
-    if (visitedLink) {
-      const { pathname, search } = visitedLink
+    if (Object.keys(relayMap).length < 1) {
+      // Navigate user to relays page if relay map is empty
+      return Promise.resolve(appPrivateRoutes.relays)
+    }
 
-      return Promise.resolve(`${pathname}${search}`)
-    } else {
-      // Navigate user in
-      return Promise.resolve(appPrivateRoutes.homePage)
+    if (store.getState().auth?.loggedIn) {
+      if (!compareObjects(store.getState().relays?.map, relayMap.map))
+        store.dispatch(setRelayMapAction(relayMap.map))
+    }
+
+    const currentLocation = window.location.hash.replace('#', '')
+
+    if (!Object.values(appPrivateRoutes).includes(currentLocation)) {
+      // User did change the location to one of the private routes
+      const visitedLink = getVisitedLink()
+
+      if (visitedLink) {
+        const { pathname, search } = visitedLink
+
+        return Promise.resolve(`${pathname}${search}`)
+      } else {
+        // Navigate user in
+        return Promise.resolve(appPrivateRoutes.homePage)
+      }
     }
   }
 

src/controllers/MetadataController.ts

@@ -58,14 +58,15 @@ export class MetadataController {
       return metadataEvent
     }
 
-    const mostPopularRelays = import.meta.env.VITE_MOST_POPULAR_RELAYS
-    const hardcodedPopularRelays = (mostPopularRelays || '').split(' ')
-    const relays = [...hardcodedPopularRelays]
+    const mostPopularRelays = await this.nostrController.getMostPopularRelays()
 
-    const events = await pool.querySync(relays, eventFilter).catch((err) => {
-      console.error(err)
-      return null
-    })
+    const events = await pool
+      .querySync(mostPopularRelays, eventFilter)
+      .catch((err) => {
+        console.error(err)
+
+        return null
+      })
 
     if (events && events.length) {
       events.sort((a, b) => b.created_at - a.created_at)
@@ -96,14 +97,15 @@ export class MetadataController {
       })
 
     if (!relayEvent) {
-      const mostPopularRelays = import.meta.env.VITE_MOST_POPULAR_RELAYS
-      const hardcodedPopularRelays = (mostPopularRelays || '').split(' ')
-      const relays = [...hardcodedPopularRelays]
+      const mostPopularRelays =
+        await this.nostrController.getMostPopularRelays()
 
-      relayEvent = await pool.get(relays, eventFilter).catch((err) => {
-        console.error(err)
-        return null
-      })
+      relayEvent = await pool
+        .get(mostPopularRelays, eventFilter)
+        .catch((err) => {
+          console.error(err)
+          return null
+        })
     }
 
     if (relayEvent) {

src/controllers/NostrController.ts

@@ -3,23 +3,45 @@ import NDK, {
   NDKNip46Signer,
   NDKPrivateKeySigner,
   NDKUser,
-  NostrEvent
+  NostrEvent,
+  NDKSubscription
 } from '@nostr-dev-kit/ndk'
 import {
   Event,
   EventTemplate,
   SimplePool,
   UnsignedEvent,
+  Filter,
+  Relay,
   finalizeEvent,
   nip04,
-  nip19
+  nip19,
+  kinds
 } from 'nostr-tools'
 import { EventEmitter } from 'tseep'
-import { updateNsecbunkerPubkey } from '../store/actions'
+import {
+  updateNsecbunkerPubkey,
+  setMostPopularRelaysAction,
+  setRelayInfoAction,
+  setRelayConnectionStatusAction
+} from '../store/actions'
 import { AuthState, LoginMethods } from '../store/auth/types'
 import store from '../store/store'
-import { SignedEvent } from '../types'
-import { getNsecBunkerDelegatedKey, verifySignedEvent } from '../utils'
+import {
+  SignedEvent,
+  RelayMap,
+  RelayStats,
+  RelayReadStats,
+  RelayInfoObject,
+  RelayConnectionStatus,
+  RelayConnectionState
+} from '../types'
+import {
+  compareObjects,
+  getNsecBunkerDelegatedKey,
+  verifySignedEvent
+} from '../utils'
+import axios from 'axios'
 
 export class NostrController extends EventEmitter {
   private static instance: NostrController
@@ -27,6 +49,8 @@ export class NostrController extends EventEmitter {
   private bunkerNDK: NDK | undefined
   private remoteSigner: NDKNip46Signer | undefined
 
+  private connectedRelays: Relay[] | undefined
+
   private constructor() {
     super()
   }
@@ -216,12 +240,16 @@ export class NostrController extends EventEmitter {
 
     if (publishedRelays.length === 0) {
       const failedPublishes: any[] = []
+      const fallbackRejectionReason =
+        'Attempt to publish an event has been rejected with unknown reason.'
 
       results.forEach((res, index) => {
         if (res.status === 'rejected') {
           failedPublishes.push({
             relay: relays[index],
-            error: res.reason.message
+            error: res.reason
+              ? res.reason.message || fallbackRejectionReason
+              : fallbackRejectionReason
           })
         }
       })
@@ -374,4 +402,359 @@ 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.reject('User relays were not found.')
+    }
+  }
+
+  /**
+   * 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 = Math.floor(Date.now() / 1000)
+    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: ${publishResult.join('\n')}`
+      )
+    }
+
+    return Promise.reject('Publishing updated relay map was unsuccessful.')
+  }
+
+  /**
+   * Provides most popular relays.
+   * @param numberOfTopRelays - number representing how many most popular relays to provide
+   * @returns - promise that resolves into an array of most popular relays
+   */
+  getMostPopularRelays = async (
+    numberOfTopRelays: number = 30
+  ): Promise<string[]> => {
+    const mostPopularRelaysState = store.getState().relays?.mostPopular
+
+    // return most popular relays from app state if present
+    if (mostPopularRelaysState) return mostPopularRelaysState
+
+    // relays in env
+    const { VITE_MOST_POPULAR_RELAYS } = import.meta.env
+    const hardcodedPopularRelays = (VITE_MOST_POPULAR_RELAYS || '').split(' ')
+    const url = `https://stats.nostr.band/stats_api?method=stats`
+
+    const response = await axios.get<RelayStats>(url).catch(() => undefined)
+
+    if (!response) {
+      return hardcodedPopularRelays //return hardcoded relay list
+    }
+
+    const data = response.data
+
+    if (!data) {
+      return hardcodedPopularRelays //return hardcoded relay list
+    }
+
+    const apiTopRelays = data.relay_stats.user_picks.read_relays
+      .slice(0, numberOfTopRelays)
+      .map((relay: RelayReadStats) => relay.d)
+
+    if (!apiTopRelays.length) {
+      return Promise.reject(`Couldn't fetch popular relays.`)
+    }
+
+    if (store.getState().auth?.loggedIn) {
+      store.dispatch(setMostPopularRelaysAction(apiTopRelays))
+    }
+
+    return apiTopRelays
+  }
+
+  /**
+   * Sets information about relays into relays.info app state.
+   * @param relayURIs - relay URIs to get information about
+   */
+  getRelayInfo = async (relayURIs: string[]) => {
+    // initialize job request
+    const jobEventTemplate: EventTemplate = {
+      content: '',
+      created_at: Math.round(Date.now() / 1000),
+      kind: 68001,
+      tags: [
+        ['i', `${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))
+      }
+    }
+  }
 }

src/hooks/index.ts

@@ -0,0 +1 @@
+export * from './store'

src/hooks/store.ts

@@ -0,0 +1,6 @@
+import { useDispatch, useSelector } from 'react-redux'
+import type { Dispatch, RootState } from '../store/store'
+
+// Use instead of plain `useDispatch` and `useSelector`
+export const useAppDispatch = useDispatch.withTypes<Dispatch>()
+export const useAppSelector = useSelector.withTypes<RootState>()

src/main.tsx

@@ -15,7 +15,8 @@ store.subscribe(
     saveState({
       auth: store.getState().auth,
       metadata: store.getState().metadata,
-      userRobotImage: store.getState().userRobotImage
+      userRobotImage: store.getState().userRobotImage,
+      relays: store.getState().relays
     })
   }, 1000)
 )

src/pages/create/index.tsx

@@ -47,11 +47,15 @@ import { DndProvider } from 'react-dnd'
 import { HTML5Backend } from 'react-dnd-html5-backend'
 import type { Identifier, XYCoord } from 'dnd-core'
 import { useDrag, useDrop } from 'react-dnd'
+import saveAs from 'file-saver'
+import CopyModal from '../../components/copyModal'
 
 export const CreatePage = () => {
   const navigate = useNavigate()
   const [isLoading, setIsLoading] = useState(false)
   const [loadingSpinnerDesc, setLoadingSpinnerDesc] = useState('')
+  const [openCopyModal, setOpenCopyModel] = useState(false)
+  const [textToCopy, setTextToCopy] = useState('')
 
   const [authUrl, setAuthUrl] = useState<string>()
 
@@ -329,58 +333,65 @@ export const CreatePage = () => {
     const encryptedArrayBuffer = await encryptArrayBuffer(
       arraybuffer,
       encryptionKey
-    )
+    ).finally(() => setIsLoading(false))
 
     const blob = new Blob([encryptedArrayBuffer])
 
-    setLoadingSpinnerDesc('Uploading zip file to file storage.')
-    const fileUrl = await uploadToFileStorage(blob, nostrController)
-      .then((url) => {
-        toast.success('zip file uploaded to file storage')
-        return url
-      })
-      .catch((err) => {
-        console.log('err in upload:>> ', err)
-        setIsLoading(false)
-        toast.error(err.message || 'Error occurred in uploading zip file')
-        return null
-      })
+    if (navigator.onLine) {
+      setIsLoading(true)
+      setLoadingSpinnerDesc('Uploading zip file to file storage.')
+      const fileUrl = await uploadToFileStorage(blob, nostrController)
+        .then((url) => {
+          toast.success('zip file uploaded to file storage')
+          return url
+        })
+        .catch((err) => {
+          console.log('err in upload:>> ', err)
+          setIsLoading(false)
+          toast.error(err.message || 'Error occurred in uploading zip file')
+          return null
+        })
 
-    if (!fileUrl) return
+      if (!fileUrl) return
 
-    setLoadingSpinnerDesc('Sending DM to signers/viewers')
+      setLoadingSpinnerDesc('Sending DM to signers/viewers')
 
-    // send DM to first signer if exists
-    if (signers.length > 0) {
-      await sendDM(
-        fileUrl,
-        encryptionKey,
-        signers[0].pubkey,
-        nostrController,
-        true,
-        setAuthUrl
-      )
-    } else {
-      // send DM to all viewers if no signer
-      for (const viewer of viewers) {
-        // todo: execute in parallel
+      // send DM to first signer if exists
+      if (signers.length > 0) {
         await sendDM(
           fileUrl,
           encryptionKey,
-          viewer.pubkey,
+          signers[0].pubkey,
           nostrController,
-          false,
+          true,
           setAuthUrl
         )
+      } else {
+        // send DM to all viewers if no signer
+        for (const viewer of viewers) {
+          // todo: execute in parallel
+          await sendDM(
+            fileUrl,
+            encryptionKey,
+            viewer.pubkey,
+            nostrController,
+            false,
+            setAuthUrl
+          )
+        }
       }
-    }
-    setIsLoading(false)
+      setIsLoading(false)
 
-    navigate(
-      `${appPrivateRoutes.sign}?file=${encodeURIComponent(
-        fileUrl
-      )}&key=${encodeURIComponent(encryptionKey)}`
-    )
+      navigate(
+        `${appPrivateRoutes.sign}?file=${encodeURIComponent(
+          fileUrl
+        )}&key=${encodeURIComponent(encryptionKey)}`
+      )
+    } else {
+      saveAs(blob, 'request.sigit')
+      setTextToCopy(encryptionKey)
+      setOpenCopyModel(true)
+    }
   }
 
   if (authUrl) {
@@ -471,6 +482,15 @@ export const CreatePage = () => {
           </>
         )}
       </Box>
+      <CopyModal
+        open={openCopyModal}
+        handleClose={() => {
+          setOpenCopyModel(false)
+          navigate(appPrivateRoutes.sign)
+        }}
+        title="Decryption key for Sigit file"
+        textToCopy={textToCopy}
+      />
     </>
   )
 }

src/pages/landing/LandingPage.tsx

@@ -82,18 +82,12 @@ export const LandingPage = () => {
               .
               <br />
               <br />
-              SIGit lets you Create, Sign and Verify signature packs from any
-              device with a browser.
+              SIGit lets you Create, Sign and Verify from any device with a
+              browser.
               <br />
               <br />
               Unlike other solutions, SIGit is totally private - files are
-              encrypted locally, and valid packs can only be exported by named
-              recipients.
-              <br />
-              <br />
-              IMPORTANT - please note that SIGit is currently ALPHA software and
-              should only be used for testing purposes until we have finalised
-              the signature / verification process.
+              encrypted locally, and can only be exported by named recipients.
             </Typography>
           </Box>
         </Box>

src/pages/login/index.tsx

@@ -81,9 +81,9 @@ export const Login = () => {
 
         setLoadingSpinnerDesc('Authenticating and finding metadata')
         const redirectPath =
-          await authController.authenticateAndFindMetadata(pubkey)
+          await authController.authAndGetMetadataAndRelaysMap(pubkey)
 
-        navigateAfterLogin(redirectPath)
+        if (redirectPath) navigateAfterLogin(redirectPath)
       })
       .catch((err) => {
         toast.error('Error capturing public key from nostr extension: ' + err)
@@ -135,7 +135,7 @@ export const Login = () => {
     setLoadingSpinnerDesc('Authenticating and finding metadata')
 
     const redirectPath = await authController
-      .authenticateAndFindMetadata(publickey)
+      .authAndGetMetadataAndRelaysMap(publickey)
       .catch((err) => {
         toast.error('Error occurred in authentication: ' + err)
         return null
@@ -230,7 +230,7 @@ export const Login = () => {
         setLoadingSpinnerDesc('Authenticating and finding metadata')
 
         const redirectPath = await authController
-          .authenticateAndFindMetadata(pubkey!)
+          .authAndGetMetadataAndRelaysMap(pubkey!)
           .catch((err) => {
             toast.error('Error occurred in authentication: ' + err)
             return null
@@ -290,7 +290,7 @@ export const Login = () => {
         setLoadingSpinnerDesc('Authenticating and finding metadata')
 
         const redirectPath = await authController
-          .authenticateAndFindMetadata(pubkey!)
+          .authAndGetMetadataAndRelaysMap(pubkey!)
           .catch((err) => {
             toast.error('Error occurred in authentication: ' + err)
             return null

src/pages/relays/index.tsx

@@ -0,0 +1,518 @@
+import { useEffect, useState } from 'react'
+import { Box, List, ListItem, TextField } from '@mui/material'
+import RouterIcon from '@mui/icons-material/Router'
+import styles from './style.module.scss'
+import Switch from '@mui/material/Switch'
+import ListItemText from '@mui/material/ListItemText'
+import Divider from '@mui/material/Divider'
+import { NostrController } from '../../controllers'
+import {
+  RelayMap,
+  RelayInfoObject,
+  RelayFee,
+  RelayConnectionState
+} from '../../types'
+import LogoutIcon from '@mui/icons-material/Logout'
+import { useAppSelector, useAppDispatch } from '../../hooks'
+import {
+  compareObjects,
+  shorten,
+  hexToNpub,
+  capitalizeFirstLetter
+} from '../../utils'
+import {
+  setRelayMapAction,
+  setRelayMapUpdatedAction
+} from '../../store/actions'
+import { toast } from 'react-toastify'
+import KeyboardArrowDownIcon from '@mui/icons-material/KeyboardArrowDown'
+import KeyboardArrowUpIcon from '@mui/icons-material/KeyboardArrowUp'
+import ContentCopyIcon from '@mui/icons-material/ContentCopy'
+import ElectricBoltIcon from '@mui/icons-material/ElectricBolt'
+import { Tooltip } from '@mui/material'
+import InputAdornment from '@mui/material/InputAdornment'
+import Button from '@mui/material/Button'
+
+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 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 > relaysState?.mapUpdated
+          ) {
+            if (
+              !relaysState?.map ||
+              !compareObjects(relaysState.map, newRelayMap)
+            ) {
+              setRelayMap(newRelayMap.map)
+
+              dispatch(setRelayMapAction(newRelayMap.map))
+            } else {
+              // Update relay map updated timestamp
+              dispatch(setRelayMapUpdatedAction())
+            }
+          }
+        }
+      }
+    }
+
+    // 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
+    if (relayMap && Object.keys(relayMap).length === 0) {
+      relayRequirementWarning()
+    }
+  }, [relayMap])
+
+  const relayRequirementWarning = () =>
+    toast.warning('At least one write relay is needed for SIGit to work.')
+
+  const handleLeaveRelay = async (relay: string) => {
+    if (relayMap) {
+      const relaysInMap = Object.keys(relayMap).length
+      const writeRelays = Object.keys(relayMap).filter(
+        (key) => relayMap[key].write
+      )
+
+      // Check if at least one write relay is present in relay map
+      if (
+        relaysInMap <= 1 ||
+        (writeRelays.length === 1 && writeRelays.includes(relay))
+      ) {
+        relayRequirementWarning()
+      } else {
+        const relayMapCopy = JSON.parse(JSON.stringify(relayMap))
+        // Remove relay from relay map
+        delete relayMapCopy[relay]
+
+        if (usersPubkey) {
+          // Publish updated relay map.
+          const relayMapPublishingRes = await nostrController
+            .publishRelayMap(relayMapCopy, usersPubkey, [relay])
+            .catch((err) => handlePublishRelayMapError(err))
+
+          if (relayMapPublishingRes) {
+            toast.success(relayMapPublishingRes)
+
+            setRelayMap(relayMapCopy)
+
+            dispatch(setRelayMapAction(relayMapCopy))
+          }
+        }
+
+        nostrController.disconnectFromRelays([relay])
+      }
+    }
+  }
+
+  const handlePublishRelayMapError = (err: any) => {
+    const errorPrefix = 'Error while publishing Relay Map'
+
+    if (Array.isArray(err)) {
+      err.forEach((errorObj: { relay: string; error: string }) => {
+        toast.error(
+          `${errorPrefix} to ${errorObj.relay}. Error: ${errorObj.error || 'Unknown'}`
+        )
+      })
+    } else {
+      toast.error(`${errorPrefix}. Error: ${err.message || 'Unknown'}`)
+    }
+  }
+
+  const handleRelayWriteChange = async (
+    relay: string,
+    event: React.ChangeEvent<HTMLInputElement>
+  ) => {
+    if (relayMap && relayMap[relay]) {
+      if (
+        !event.target.checked &&
+        Object.keys(relayMap).filter((relay) => relayMap[relay].write)
+          .length === 1
+      ) {
+        relayRequirementWarning()
+      } else {
+        const relayMapCopy = JSON.parse(JSON.stringify(relayMap))
+        relayMapCopy[relay].write = event.target.checked
+
+        if (usersPubkey) {
+          // Publish updated relay map
+          const relayMapPublishingRes = await nostrController
+            .publishRelayMap(relayMapCopy, usersPubkey)
+            .catch((err) => handlePublishRelayMapError(err))
+
+          if (relayMapPublishingRes) {
+            toast.success(relayMapPublishingRes)
+
+            setRelayMap(relayMapCopy)
+
+            dispatch(setRelayMapAction(relayMapCopy))
+          }
+        }
+      }
+    }
+  }
+
+  const handleAddNewRelay = async () => {
+    const relayURI = `${webSocketPrefix}${newRelayURI?.trim().replace(webSocketPrefix, '')}`
+
+    // Check if new relay URI is a valid string
+    if (
+      relayURI &&
+      !/^wss:\/\/[-a-zA-Z0-9@:%._\\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}/.test(
+        relayURI
+      )
+    ) {
+      if (relayURI !== webSocketPrefix) {
+        setNewRelayURIerror(
+          'New relay URI is not valid. Example of valid relay URI: wss://sigit.relay.io'
+        )
+      }
+    } else if (relayURI && usersPubkey) {
+      const connectionStatus = await nostrController.connectToRelays([relayURI])
+
+      if (
+        connectionStatus &&
+        connectionStatus[relayURI] &&
+        connectionStatus[relayURI] === RelayConnectionState.Connected
+      ) {
+        const relayMapCopy = JSON.parse(JSON.stringify(relayMap))
+
+        relayMapCopy[relayURI] = { write: true, read: true }
+
+        // Publish updated relay map
+        const relayMapPublishingRes = await nostrController
+          .publishRelayMap(relayMapCopy, usersPubkey)
+          .catch((err) => handlePublishRelayMapError(err))
+
+        if (relayMapPublishingRes) {
+          setRelayMap(relayMapCopy)
+          setNewRelayURI('')
+
+          dispatch(setRelayMapAction(relayMapCopy))
+
+          nostrController.getRelayInfo([relayURI])
+
+          toast.success(relayMapPublishingRes)
+        }
+
+        setNewRelayURIerror(undefined)
+      } else {
+        toast.error(`Relay '${relayURI}' wasn't added.`)
+
+        setNewRelayURIerror(`Connection to '${relayURI}' was unsuccessful.`)
+      }
+    }
+  }
+
+  // Handle relay open and close state
+  const handleRelayInfo = (relay: string) => {
+    if (relaysInfo) {
+      const info = relaysInfo[relay]
+
+      if (info) {
+        let displayRelaysInfoCopy: string[] = JSON.parse(
+          JSON.stringify(displayRelaysInfo)
+        )
+
+        if (displayRelaysInfoCopy.includes(relay)) {
+          displayRelaysInfoCopy = displayRelaysInfoCopy.filter(
+            (rel) => rel !== relay
+          )
+        } else {
+          displayRelaysInfoCopy.push(relay)
+        }
+
+        setDisplayRelaysInfo(displayRelaysInfoCopy)
+      }
+    }
+  }
+
+  return (
+    <Box className={styles.container}>
+      <Box className={styles.relayAddContainer}>
+        <TextField
+          label="Add new relay"
+          value={newRelayURI}
+          onChange={(e) => setNewRelayURI(e.target.value)}
+          helperText={newRelayURIerror}
+          error={!!newRelayURIerror}
+          InputProps={{
+            startAdornment: (
+              <InputAdornment position="start">
+                {webSocketPrefix}
+              </InputAdornment>
+            )
+          }}
+          className={styles.relayURItextfield}
+        />
+        <Button variant="contained" onClick={() => handleAddNewRelay()}>
+          Add
+        </Button>
+      </Box>
+      <Box className={styles.sectionTitle}>
+        <RouterIcon className={styles.sectionIcon} />
+        <span>YOUR RELAYS</span>
+      </Box>
+      {relayMap && (
+        <Box className={styles.relaysContainer}>
+          {Object.keys(relayMap).map((relay, i) => (
+            <Box className={styles.relay} key={`relay_${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>
+          ))}
+        </Box>
+      )}
+    </Box>
+  )
+}

src/pages/relays/style.module.scss

@@ -0,0 +1,107 @@
+@import '../../colors.scss';
+
+.container {
+  margin-top: 25px;
+  color: $text-color;
+
+  .relayURItextfield {
+    width: 100%;
+  }
+
+  .relayAddContainer {
+    display: flex;
+    flex-direction: row;
+    gap: 10px;
+    width: 100%;
+  }
+
+  .sectionIcon {
+    font-size: 30px;
+  }
+
+  .sectionTitle {
+    margin-top: 35px;
+    margin-bottom: 10px;
+    display: flex;
+    flex-direction: row;
+    gap: 5px;
+    font-size: 1.5rem;
+    line-height: 2rem;
+    font-weight: 600;
+  }
+
+  .relaysContainer {
+    display: flex;
+    flex-direction: column;
+    gap: 15px;
+  }
+
+  .relay {
+    border: 1px solid rgba(0, 0, 0, 0.12);
+    border-radius: 4px;
+
+    .relayDivider {
+      margin-left: 10px;
+      margin-right: 10px;
+    }
+
+    .leaveRelayContainer {
+      display: flex;
+      flex-direction: row;
+      gap: 10px;
+      cursor: pointer;
+    }
+
+    .showInfo {
+      cursor: pointer;
+    }
+
+    .showInfoIcon {
+      margin-right: 3px;
+      margin-bottom: auto;
+      vertical-align: middle;
+    }
+
+    .relayInfoContainer {
+      display: flex;
+      flex-direction: column;
+      gap: 5px;
+      text-wrap: wrap;
+    }
+
+    .relayInfoTitle {
+      font-weight: 600;
+    }
+
+    .relayInfoSubTitle {
+      font-weight: 500;
+    }
+
+    .copyItem {
+      margin-left: 10px;
+      color: #34495e;
+      vertical-align: bottom;
+      cursor: pointer;
+    }
+
+    .connectionStatus {
+      border-radius: 9999px;
+      width: 10px;
+      height: 10px;
+      margin-right: 5px;
+      margin-top: 2px;
+    }
+
+    .connectionStatusConnected {
+      background-color: $review-feedback-correct;
+    }
+
+    .connectionStatusNotConnected {
+      background-color: $review-feedback-incorrect;
+    }
+
+    .connectionStatusUnknown {
+      background-color: $input-text-color;
+    }
+  }
+}

src/pages/sign/index.tsx

@@ -59,7 +59,7 @@ import {
   Download,
   HourglassTop
 } from '@mui/icons-material'
-
+import CopyModal from '../../components/copyModal'
 enum SignedStatus {
   Fully_Signed,
   User_Is_Next_Signer,
@@ -79,6 +79,8 @@ export const SignPage = () => {
 
   const [isLoading, setIsLoading] = useState(true)
   const [loadingSpinnerDesc, setLoadingSpinnerDesc] = useState('')
+  const [openCopyModal, setOpenCopyModel] = useState(false)
+  const [textToCopy, setTextToCopy] = useState('')
 
   const [meta, setMeta] = useState<Meta | null>(null)
   const [signedStatus, setSignedStatus] = useState<SignedStatus>()
@@ -98,6 +100,9 @@ export const SignPage = () => {
 
   const [nextSinger, setNextSinger] = useState<string>()
 
+  // This state variable indicates whether the logged-in user is a signer, a creator, or neither.
+  const [isSignerOrCreator, setIsSignerOrCreator] = useState(false)
+
   const usersPubkey = useSelector((state: State) => state.auth.usersPubkey)
 
   const [authUrl, setAuthUrl] = useState<string>()
@@ -167,7 +172,20 @@ export const SignPage = () => {
       // there's no signer just viewers. So its fully signed
       setSignedStatus(SignedStatus.Fully_Signed)
     }
-  }, [signers, signedBy, usersPubkey])
+
+    // Determine and set the status of the user
+    if (submittedBy && usersPubkey && submittedBy === usersPubkey) {
+      // If the submission was made by the user, set the status to true
+      setIsSignerOrCreator(true)
+    } else if (usersPubkey) {
+      // Convert the user's public key from hex to npub format
+      const usersNpub = hexToNpub(usersPubkey)
+      if (signers.includes(usersNpub)) {
+        // If the user's npub is in the list of signers, set the status to true
+        setIsSignerOrCreator(true)
+      }
+    }
+  }, [signers, signedBy, usersPubkey, submittedBy])
 
   useEffect(() => {
     const fileUrl = searchParams.get('file')
@@ -236,6 +254,7 @@ export const SignPage = () => {
     if (!zip) return
 
     setZip(zip)
+    setDisplayInput(false)
 
     setLoadingSpinnerDesc('Parsing meta.json')
 
@@ -414,75 +433,79 @@ export const SignPage = () => {
 
     const blob = new Blob([encryptedArrayBuffer])
 
-    setLoadingSpinnerDesc('Uploading zip file to file storage.')
-    const fileUrl = await uploadToFileStorage(blob, nostrController)
-      .then((url) => {
-        toast.success('zip file uploaded to file storage')
-        return url
-      })
-      .catch((err) => {
-        console.log('err in upload:>> ', err)
-        setIsLoading(false)
-        toast.error(err.message || 'Error occurred in uploading zip file')
-        return null
-      })
+    if (navigator.onLine) {
+      setLoadingSpinnerDesc('Uploading zip file to file storage.')
+      const fileUrl = await uploadToFileStorage(blob, nostrController)
+        .then((url) => {
+          toast.success('zip file uploaded to file storage')
+          return url
+        })
+        .catch((err) => {
+          console.log('err in upload:>> ', err)
+          setIsLoading(false)
+          toast.error(err.message || 'Error occurred in uploading zip file')
+          return null
+        })
 
-    if (!fileUrl) return
+      if (!fileUrl) return
 
-    // check if the current user is the last signer
-    const usersNpub = hexToNpub(usersPubkey!)
-    const lastSignerIndex = signers.length - 1
-    const signerIndex = signers.indexOf(usersNpub)
-    const isLastSigner = signerIndex === lastSignerIndex
+      // check if the current user is the last signer
+      const usersNpub = hexToNpub(usersPubkey!)
+      const lastSignerIndex = signers.length - 1
+      const signerIndex = signers.indexOf(usersNpub)
+      const isLastSigner = signerIndex === lastSignerIndex
 
-    // if current user is the last signer, then send DMs to all signers and viewers
-    if (isLastSigner) {
-      const userSet = new Set<`npub1${string}`>()
+      // if current user is the last signer, then send DMs to all signers and viewers
+      if (isLastSigner) {
+        const userSet = new Set<`npub1${string}`>()
 
-      if (submittedBy) {
-        userSet.add(hexToNpub(submittedBy))
-      }
+        if (submittedBy) {
+          userSet.add(hexToNpub(submittedBy))
+        }
 
-      signers.forEach((signer) => {
-        userSet.add(signer)
-      })
+        signers.forEach((signer) => {
+          userSet.add(signer)
+        })
 
-      viewers.forEach((viewer) => {
-        userSet.add(viewer)
-      })
+        viewers.forEach((viewer) => {
+          userSet.add(viewer)
+        })
 
-      const users = Array.from(userSet)
+        const users = Array.from(userSet)
 
-      for (const user of users) {
-        // todo: execute in parallel
+        for (const user of users) {
+          // todo: execute in parallel
+          await sendDM(
+            fileUrl,
+            key,
+            npubToHex(user)!,
+            nostrController,
+            false,
+            setAuthUrl
+          )
+        }
+      } else {
+        const nextSigner = signers[signerIndex + 1]
         await sendDM(
           fileUrl,
           key,
-          npubToHex(user)!,
+          npubToHex(nextSigner)!,
           nostrController,
-          false,
+          true,
           setAuthUrl
         )
       }
+
+      setIsLoading(false)
+
+      // update search params with updated file url and encryption key
+      setSearchParams({
+        file: fileUrl,
+        key: key
+      })
     } else {
-      const nextSigner = signers[signerIndex + 1]
-      await sendDM(
-        fileUrl,
-        key,
-        npubToHex(nextSigner)!,
-        nostrController,
-        true,
-        setAuthUrl
-      )
+      handleDecryptedArrayBuffer(arrayBuffer).finally(() => setIsLoading(false))
     }
-
-    setIsLoading(false)
-
-    // update search params with updated file url and encryption key
-    setSearchParams({
-      file: fileUrl,
-      key: key
-    })
   }
 
   const handleExport = async () => {
@@ -549,6 +572,37 @@ export const SignPage = () => {
     navigate(appPrivateRoutes.verify)
   }
 
+  const handleExportSigit = async () => {
+    if (!zip) return
+
+    const arrayBuffer = await zip
+      .generateAsync({
+        type: 'arraybuffer',
+        compression: 'DEFLATE',
+        compressionOptions: {
+          level: 6
+        }
+      })
+      .catch((err) => {
+        console.log('err in zip:>> ', err)
+        setIsLoading(false)
+        toast.error(err.message || 'Error occurred in generating zip file')
+        return null
+      })
+
+    if (!arrayBuffer) return
+
+    const key = await generateEncryptionKey()
+
+    setLoadingSpinnerDesc('Encrypting zip file')
+    const encryptedArrayBuffer = await encryptArrayBuffer(arrayBuffer, key)
+    const blob = new Blob([encryptedArrayBuffer])
+    saveAs(blob, 'exported.sigit')
+
+    setTextToCopy(key)
+    setOpenCopyModel(true)
+  }
+
   /**
    * This function accepts an npub of a signer and return the signature of its previous signer.
    * This prevSig will be used in the content of the provided signer's signedEvent
@@ -637,6 +691,7 @@ export const SignPage = () => {
             <Box className={styles.inputBlock}>
               <MuiFileInput
                 placeholder="Select file"
+                inputProps={{ accept: '.sigit' }}
                 value={selectedFile}
                 onChange={(value) => setSelectedFile(value)}
               />
@@ -675,6 +730,7 @@ export const SignPage = () => {
               nextSigner={nextSinger}
               getPrevSignersSig={getPrevSignersSig}
             />
+
             {signedStatus === SignedStatus.Fully_Signed && (
               <Box sx={{ mt: 1, display: 'flex', justifyContent: 'center' }}>
                 <Button onClick={handleExport} variant="contained">
@@ -690,9 +746,24 @@ export const SignPage = () => {
                 </Button>
               </Box>
             )}
+
+            {isSignerOrCreator &&
+              signedStatus === SignedStatus.User_Is_Not_Next_Signer && (
+                <Box sx={{ mt: 1, display: 'flex', justifyContent: 'center' }}>
+                  <Button onClick={handleExportSigit} variant="contained">
+                    Export Sigit
+                  </Button>
+                </Box>
+              )}
           </>
         )}
       </Box>
+      <CopyModal
+        open={openCopyModal}
+        handleClose={() => setOpenCopyModel(false)}
+        title="Decryption key for Sigit file"
+        textToCopy={textToCopy}
+      />
     </>
   )
 }

src/routes/index.tsx

@@ -7,20 +7,22 @@ import { hexToNpub } from '../utils'
 import { SignPage } from '../pages/sign'
 import { VerifyPage } from '../pages/verify'
 import { ProfileSettingsPage } from '../pages/settings/profile'
+import { RelaysPage } from '../pages/relays'
 
 export const appPrivateRoutes = {
   homePage: '/',
   create: '/create',
   sign: '/sign',
   verify: '/verify',
-  profileSettings: '/settings/profile/:npub'
+  profileSettings: '/settings/profile/:npub',
+  relays: '/relays'
 }
 
 export const appPublicRoutes = {
   profile: '/profile/:npub',
   landingPage: '/',
   login: '/login',
-  help: 'https://help.sigit.io'
+  source: 'https://git.sigit.io/sig/it'
 }
 
 export const getProfileRoute = (hexKey: string) =>
@@ -66,5 +68,9 @@ export const privateRoutes = [
   {
     path: appPrivateRoutes.profileSettings,
     element: <ProfileSettingsPage />
+  },
+  {
+    path: appPrivateRoutes.relays,
+    element: <RelaysPage />
   }
 ]

src/store/actionTypes.ts

@@ -1,5 +1,7 @@
 export const RESTORE_STATE = 'RESTORE_STATE'
 
+export const USER_LOGOUT = 'USER_LOGOUT'
+
 export const SET_AUTH_STATE = 'SET_AUTH_STATE'
 export const UPDATE_LOGIN_METHOD = 'UPDATE_LOGIN_METHOD'
 export const UPDATE_KEYPAIR = 'UPDATE_KEYPAIR'
@@ -9,3 +11,9 @@ export const UPDATE_NSECBUNKER_RELAYS = 'UPDATE_NSECBUNKER_RELAYS'
 export const SET_METADATA_EVENT = 'SET_METADATA_EVENT'
 
 export const SET_USER_ROBOT_IMAGE = 'SET_USER_ROBOT_IMAGE'
+
+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'

src/store/actions.ts

@@ -3,6 +3,7 @@ import { State } from './rootReducer'
 
 export * from './auth/action'
 export * from './metadata/action'
+export * from './relays/action'
 
 export const restoreState = (payload: State) => {
   return {
@@ -15,3 +16,9 @@ export interface RestoreState {
   type: typeof ActionTypes.RESTORE_STATE
   payload: State
 }
+
+export const userLogOutAction = () => {
+  return {
+    type: ActionTypes.USER_LOGOUT
+  }
+}

src/store/relays/action.ts

@@ -0,0 +1,39 @@
+import * as ActionTypes from '../actionTypes'
+import {
+  SetRelayMapAction,
+  SetMostPopularRelaysAction,
+  SetRelayInfoAction,
+  SetRelayConnectionStatusAction,
+  SetRelayMapUpdatedAction
+} from './types'
+import { RelayMap, RelayInfoObject, RelayConnectionStatus } from '../../types'
+
+export const setRelayMapAction = (payload: RelayMap): SetRelayMapAction => ({
+  type: ActionTypes.SET_RELAY_MAP,
+  payload
+})
+
+export const setRelayInfoAction = (
+  payload: RelayInfoObject
+): SetRelayInfoAction => ({
+  type: ActionTypes.SET_RELAY_INFO,
+  payload
+})
+
+export const setMostPopularRelaysAction = (
+  payload: string[]
+): SetMostPopularRelaysAction => ({
+  type: ActionTypes.SET_MOST_POPULAR_RELAYS,
+  payload
+})
+
+export const setRelayConnectionStatusAction = (
+  payload: RelayConnectionStatus
+): SetRelayConnectionStatusAction => ({
+  type: ActionTypes.SET_RELAY_CONNECTION_STATUS,
+  payload
+})
+
+export const setRelayMapUpdatedAction = (): SetRelayMapUpdatedAction => ({
+  type: ActionTypes.SET_RELAY_MAP_UPDATED
+})

src/store/relays/reducer.ts

@@ -0,0 +1,46 @@
+import * as ActionTypes from '../actionTypes'
+import { RelaysDispatchTypes, RelaysState } from './types'
+
+const initialState: RelaysState = {
+  map: undefined,
+  mapUpdated: undefined,
+  mostPopular: undefined,
+  info: undefined,
+  connectionStatus: undefined
+}
+
+const reducer = (
+  state = initialState,
+  action: RelaysDispatchTypes
+): RelaysState | null => {
+  switch (action.type) {
+    case ActionTypes.SET_RELAY_MAP:
+      return { ...state, map: action.payload, mapUpdated: Date.now() }
+
+    case ActionTypes.SET_RELAY_MAP_UPDATED:
+      return { ...state, mapUpdated: Date.now() }
+
+    case ActionTypes.SET_RELAY_INFO:
+      return {
+        ...state,
+        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 }
+
+    case ActionTypes.RESTORE_STATE:
+      return action.payload.relays
+
+    default:
+      return state
+  }
+}
+
+export default reducer

src/store/relays/types.ts

@@ -0,0 +1,43 @@
+import * as ActionTypes from '../actionTypes'
+import { RestoreState } from '../actions'
+import { RelayMap, RelayInfoObject, RelayConnectionStatus } from '../../types'
+
+export type RelaysState = {
+  map?: RelayMap
+  mapUpdated?: number
+  mostPopular?: string[]
+  info?: RelayInfoObject
+  connectionStatus?: RelayConnectionStatus
+}
+
+export interface SetRelayMapAction {
+  type: typeof ActionTypes.SET_RELAY_MAP
+  payload: RelayMap
+}
+
+export interface SetMostPopularRelaysAction {
+  type: typeof ActionTypes.SET_MOST_POPULAR_RELAYS
+  payload: string[]
+}
+
+export interface SetRelayInfoAction {
+  type: typeof ActionTypes.SET_RELAY_INFO
+  payload: RelayInfoObject
+}
+
+export interface SetRelayConnectionStatusAction {
+  type: typeof ActionTypes.SET_RELAY_CONNECTION_STATUS
+  payload: RelayConnectionStatus
+}
+
+export interface SetRelayMapUpdatedAction {
+  type: typeof ActionTypes.SET_RELAY_MAP_UPDATED
+}
+
+export type RelaysDispatchTypes =
+  | SetRelayMapAction
+  | SetRelayInfoAction
+  | SetRelayMapUpdatedAction
+  | SetMostPopularRelaysAction
+  | SetRelayConnectionStatusAction
+  | RestoreState

src/store/rootReducer.ts

@@ -4,15 +4,31 @@ import authReducer from './auth/reducer'
 import { AuthState } from './auth/types'
 import metadataReducer from './metadata/reducer'
 import userRobotImageReducer from './userRobotImage/reducer'
+import { RelaysState } from './relays/types'
+import relaysReducer from './relays/reducer'
+import * as ActionTypes from './actionTypes'
 
 export interface State {
   auth: AuthState
   metadata?: Event
   userRobotImage?: string
+  relays: RelaysState
 }
 
-export default combineReducers({
+export const appReducer = combineReducers({
   auth: authReducer,
   metadata: metadataReducer,
-  userRobotImage: userRobotImageReducer
+  userRobotImage: userRobotImageReducer,
+  relays: relaysReducer
 })
+
+// FIXME: define types
+export default (state: any, action: any) => {
+  switch (action.type) {
+    case ActionTypes.USER_LOGOUT:
+      return appReducer(undefined, action)
+
+    default:
+      return appReducer(state, action)
+  }
+}

src/store/store.ts

@@ -1,8 +1,11 @@
 import { configureStore } from '@reduxjs/toolkit'
 import rootReducer from './rootReducer'
 
-const store = configureStore({ reducer: rootReducer })
+const store = configureStore({
+  reducer: rootReducer
+})
 
 export default store
 
 export type Dispatch = typeof store.dispatch
+export type RootState = ReturnType<typeof store.getState>

src/types/index.ts

@@ -2,3 +2,4 @@ export * from './core'
 export * from './nostr'
 export * from './profile'
 export * from './zip'
+export * from './relay'

src/types/nostr.ts

@@ -8,11 +8,6 @@ export interface SignedEvent {
   sig: string
 }
 
-export interface RelaySet {
-  read: string[]
-  write: string[]
-}
-
 export interface NostrJoiningBlock {
   block: number
   encodedEventPointer: string

src/types/relay.ts

@@ -0,0 +1,232 @@
+export interface RelaySet {
+  read: string[]
+  write: string[]
+}
+
+export type RelayMap = {
+  [key: string]: {
+    read: boolean
+    write: boolean
+  }
+}
+
+export interface RelayStats {
+  relays: number
+  pubKeys: number
+  users: number
+  trusted_users: number
+  events: number
+  posts: number
+  zaps: number
+  zap_amount: number
+  daily: RelayDailyStats
+  daily_totals: RelayDailyTotals
+  relay_stats: RelayStats
+}
+
+export interface RelayStats {
+  user_picks: RelayUserPicksStats
+  written: RelayWrittenStats
+}
+
+export interface RelayWrittenStats {
+  last_week: RelayLastWeekStats[]
+}
+
+export interface RelayLastWeekStats {
+  d: string
+  p: number
+  ps: number
+  e: number
+  es: number
+}
+
+export interface RelayUserPicksStats {
+  read_relays: RelayReadStats[]
+  write_relays: RelayReadStats[]
+}
+
+export interface RelayReadStats {
+  d: string
+  r: number
+  w: number
+  rs: number
+  ws: number
+}
+
+export interface RelayDailyTotals {
+  datasets: RelayDailyTotalStatsDataset
+}
+
+export interface RelayDailyTotalStatsDataset {
+  kind_0: RelayItemStats[]
+  kind_1: RelayItemStats[]
+  kind_2: RelayItemStats[]
+  kind_3: RelayItemStats[]
+  kind_5: RelayItemStats[]
+  kind_6: RelayItemStats[]
+  kind_7: RelayItemStats[]
+  kind_1984: RelayItemStats[]
+  kind_9735: RelayItemStats[]
+  kind_1063: RelayItemStats[]
+  kind_6969: RelayItemStats[]
+  kind_9802: RelayItemStats[]
+  kind_30000: RelayItemStats[]
+  kind_30001: RelayItemStats[]
+  kind_30008: RelayItemStats[]
+  kind_30009: RelayItemStats[]
+  kind_30017: RelayItemStats[]
+  kind_30018: RelayItemStats[]
+  kind_30023: RelayItemStats[]
+  kind_31337: RelayItemStats[]
+  totals: RelayItemStats[]
+  new_profiles: RelayItemStats[]
+  new_pubkeys: RelayItemStats[]
+  new_contact_lists: RelayItemStats[]
+  new_ln: RelayItemStats[]
+  new_users: RelayItemStats[]
+  total_zap_amount: RelayItemStats[]
+  zappers: RelayItemStats[]
+  zapped_pubkeys: RelayItemStats[]
+  zapped_events: RelayItemStats[]
+  zap_providers: RelayItemStats[]
+}
+
+export interface RelayDailyStats {
+  datasets: RelayDailyStatsDataset
+}
+
+export interface RelayDailyStatsDataset {
+  kind_0: RelayItemStats[]
+  kind_1: RelayItemStats[]
+  kind_2: RelayItemStats[]
+  kind_3: RelayItemStats[]
+  kind_5: RelayItemStats[]
+  kind_6: RelayItemStats[]
+  kind_7: RelayItemStats[]
+  kind_1984: RelayItemStats[]
+  kind_9735: RelayItemStats[]
+  kind_1063: RelayItemStats[]
+  kind_6969: RelayItemStats[]
+  kind_9802: RelayItemStats[]
+  kind_30000: RelayItemStats[]
+  kind_30001: RelayItemStats[]
+  kind_30008: RelayItemStats[]
+  kind_30009: RelayItemStats[]
+  kind_30017: RelayItemStats[]
+  kind_30018: RelayItemStats[]
+  kind_30023: RelayItemStats[]
+  kind_31337: RelayItemStats[]
+  totals: RelayItemStats[]
+  new_profiles: RelayItemStats[]
+  new_pubkeys: RelayItemStats[]
+  new_contact_lists: RelayItemStats[]
+  new_ln: RelayItemStats[]
+  new_users: RelayItemStats[]
+  max_zap_amount: RelayItemStats[]
+  avg_zap_amount: RelayItemStats[]
+  total_zap_amount: RelayItemStats[]
+  active_pubkeys: RelayItemStats[]
+  active_pubkeys_total: RelayItemStats[]
+  active_pubkeys_week: RelayItemStats[]
+  active_pubkeys_total_week: RelayItemStats[]
+  active_relays: RelayItemStats[]
+  zappers: RelayItemStats[]
+  zapped_pubkeys: RelayItemStats[]
+  zapped_events: RelayItemStats[]
+  zap_providers: RelayItemStats[]
+  retention: RelayRetentionStats
+}
+
+export interface RelayRetentionStats {
+  all: RelayRetentionAll[]
+  tr: RelayRetentionAll[]
+  bio: RelayRetentionAll[]
+  all_curves: RelayRetentionAllCurve[]
+  tr_curves: RelayRetentionAllCurve[]
+  bio_curves: RelayRetentionAllCurve[]
+}
+
+export interface RelayRetentionAllCurve {
+  day: number
+  '2023-02': number
+  '2023-03': number
+  '2023-04': number
+  '2023-05': number
+  '2023-06': number
+  '2023-07': number
+}
+
+export interface RelayRetentionAll {
+  d: string
+  signups: number
+  retained: number
+  retd_posts: number
+  retd_replies: number
+  retd_reposts: number
+  retd_likes: number
+  retd_liked: number
+  retd_liked_pubkeys: number
+  retd_replied: number
+  retd_replied_pubkeys: number
+  retd_zaps_received: number
+  retd_zaps_received_msats: number
+  retd_zaps_sent: number
+  retd_zaps_sent_msats: number
+  retd_following: number
+  retd_followers: number
+  lost_posts: number
+  lost_replies: number
+  lost_reposts: number
+  lost_likes: number
+  lost_liked: number
+  lost_liked_pubkeys: number
+  lost_replied: number
+  lost_replied_pubkeys: number
+  lost_zaps_received: number
+  lost_zaps_received_msats: number
+  lost_zaps_sent: number
+  lost_zaps_sent_msats: number
+  lost_following: number
+  lost_followers: number
+}
+
+export interface RelayItemStats {
+  d: string // date
+  c: number // count
+}
+
+export interface RelayFee {
+  amount: number
+  unit: string
+}
+
+export interface RelayInfo {
+  name: string
+  description: string
+  pubkey: string
+  contact: string
+  supported_nips: number[]
+  software: string
+  version: string
+  limitation?: { [key: string]: number | boolean }
+  fees?: { [key: string]: RelayFee[] }
+}
+
+export interface RelayInfoObject {
+  [key: string]: RelayInfo
+}
+
+export interface RelayInfoItem {
+  uri: string
+  info: RelayInfo
+}
+
+export enum RelayConnectionState {
+  Connected = 'Connected',
+  NotConnected = 'Failed to connect'
+}
+
+export interface RelayConnectionStatus {
+  [key: string]: RelayConnectionState
+}

src/utils/index.ts

@@ -5,3 +5,4 @@ export * from './misc'
 export * from './nostr'
 export * from './string'
 export * from './zip'
+export * from './utils'

src/utils/string.ts

@@ -85,3 +85,11 @@ export const parseJson = <T>(content: string): Promise<T> => {
     }
   })
 }
+
+/**
+ * Capitalizes the first character in the string
+ * @param str string to modify
+ * @returns modified string
+ */
+export const capitalizeFirstLetter = (str: string) =>
+  str.charAt(0).toUpperCase() + str.slice(1).toLowerCase()

src/utils/utils.ts

@@ -0,0 +1,13 @@
+export const compareObjects = (
+  obj1: object | null | undefined,
+  obj2: object | null | undefined
+): boolean => {
+  if (Array.isArray(obj1) && Array.isArray(obj2)) {
+    const obj1Copy = [...obj1].sort()
+    const obj2Copy = [...obj2].sort()
+
+    return JSON.stringify(obj1Copy) === JSON.stringify(obj2Copy)
+  }
+
+  return JSON.stringify(obj1) === JSON.stringify(obj2)
+}